| /* |
| * Edit control |
| * |
| * Copyright David W. Metcalfe, 1994 |
| * Copyright William Magro, 1995, 1996 |
| * Copyright Frans van Dorsselaer, 1996, 1997 |
| * |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| * |
| * NOTES |
| * |
| * This code was audited for completeness against the documented features |
| * of Comctl32.dll version 6.0 on Oct. 8, 2004, by Dimitrie O. Paun. |
| * |
| * Unless otherwise noted, we believe this code to be complete, as per |
| * the specification mentioned above. |
| * If you discover missing features, or bugs, please note them below. |
| * |
| * TODO: |
| * - EDITBALLOONTIP structure |
| * - EM_GETCUEBANNER/Edit_GetCueBannerText |
| * - EM_HIDEBALLOONTIP/Edit_HideBalloonTip |
| * - EM_SETCUEBANNER/Edit_SetCueBannerText |
| * - EM_SHOWBALLOONTIP/Edit_ShowBalloonTip |
| * - EM_GETIMESTATUS, EM_SETIMESTATUS |
| * - EN_ALIGN_LTR_EC |
| * - EN_ALIGN_RTL_EC |
| * - ES_OEMCONVERT |
| * |
| */ |
| |
| #include "config.h" |
| |
| #include <stdarg.h> |
| #include <string.h> |
| #include <stdlib.h> |
| |
| #include "windef.h" |
| #include "winbase.h" |
| #include "winnt.h" |
| #include "wownt32.h" |
| #include "win.h" |
| #include "imm.h" |
| #include "wine/winbase16.h" |
| #include "wine/winuser16.h" |
| #include "wine/unicode.h" |
| #include "controls.h" |
| #include "user_private.h" |
| #include "wine/debug.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(edit); |
| WINE_DECLARE_DEBUG_CHANNEL(combo); |
| WINE_DECLARE_DEBUG_CHANNEL(relay); |
| |
| #define BUFLIMIT_INITIAL 30000 /* initial buffer size */ |
| #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */ |
| #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1)) |
| #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */ |
| |
| /* |
| * extra flags for EDITSTATE.flags field |
| */ |
| #define EF_MODIFIED 0x0001 /* text has been modified */ |
| #define EF_FOCUSED 0x0002 /* we have input focus */ |
| #define EF_UPDATE 0x0004 /* notify parent of changed state */ |
| #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */ |
| #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */ |
| #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a |
| wrapped line, instead of in front of the next character */ |
| #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */ |
| #define EF_APP_HAS_HANDLE 0x0200 /* Set when an app sends EM_[G|S]ETHANDLE. We are in sole control of |
| the text buffer if this is clear. */ |
| typedef enum |
| { |
| END_0 = 0, /* line ends with terminating '\0' character */ |
| END_WRAP, /* line is wrapped */ |
| END_HARD, /* line ends with a hard return '\r\n' */ |
| END_SOFT, /* line ends with a soft return '\r\r\n' */ |
| END_RICH /* line ends with a single '\n' */ |
| } LINE_END; |
| |
| typedef struct tagLINEDEF { |
| INT length; /* bruto length of a line in bytes */ |
| INT net_length; /* netto length of a line in visible characters */ |
| LINE_END ending; |
| INT width; /* width of the line in pixels */ |
| INT index; /* line index into the buffer */ |
| struct tagLINEDEF *next; |
| } LINEDEF; |
| |
| typedef struct |
| { |
| BOOL is_unicode; /* how the control was created */ |
| LPWSTR text; /* the actual contents of the control */ |
| UINT text_length; /* cached length of text buffer (in WCHARs) - use get_text_length() to retrieve */ |
| UINT buffer_size; /* the size of the buffer in characters */ |
| UINT buffer_limit; /* the maximum size to which the buffer may grow in characters */ |
| HFONT font; /* NULL means standard system font */ |
| INT x_offset; /* scroll offset for multi lines this is in pixels |
| for single lines it's in characters */ |
| INT line_height; /* height of a screen line in pixels */ |
| INT char_width; /* average character width in pixels */ |
| DWORD style; /* sane version of wnd->dwStyle */ |
| WORD flags; /* flags that are not in es->style or wnd->flags (EF_XXX) */ |
| INT undo_insert_count; /* number of characters inserted in sequence */ |
| UINT undo_position; /* character index of the insertion and deletion */ |
| LPWSTR undo_text; /* deleted text */ |
| UINT undo_buffer_size; /* size of the deleted text buffer */ |
| INT selection_start; /* == selection_end if no selection */ |
| INT selection_end; /* == current caret position */ |
| WCHAR password_char; /* == 0 if no password char, and for multi line controls */ |
| INT left_margin; /* in pixels */ |
| INT right_margin; /* in pixels */ |
| RECT format_rect; |
| INT text_width; /* width of the widest line in pixels for multi line controls |
| and just line width for single line controls */ |
| INT region_posx; /* Position of cursor relative to region: */ |
| INT region_posy; /* -1: to left, 0: within, 1: to right */ |
| EDITWORDBREAKPROC16 word_break_proc16; |
| void *word_break_proc; /* 32-bit word break proc: ANSI or Unicode */ |
| INT line_count; /* number of lines */ |
| INT y_offset; /* scroll offset in number of lines */ |
| BOOL bCaptureState; /* flag indicating whether mouse was captured */ |
| BOOL bEnableState; /* flag keeping the enable state */ |
| HWND hwndSelf; /* the our window handle */ |
| HWND hwndParent; /* Handle of parent for sending EN_* messages. |
| Even if parent will change, EN_* messages |
| should be sent to the first parent. */ |
| HWND hwndListBox; /* handle of ComboBox's listbox or NULL */ |
| /* |
| * only for multi line controls |
| */ |
| INT lock_count; /* amount of re-entries in the EditWndProc */ |
| INT tabs_count; |
| LPINT tabs; |
| LINEDEF *first_line_def; /* linked list of (soft) linebreaks */ |
| HLOCAL hloc32W; /* our unicode local memory block */ |
| HLOCAL16 hloc16; /* alias for 16-bit control receiving EM_GETHANDLE16 |
| or EM_SETHANDLE16 */ |
| HLOCAL hloc32A; /* alias for ANSI control receiving EM_GETHANDLE |
| or EM_SETHANDLE */ |
| /* |
| * IME Data |
| */ |
| UINT composition_len; /* length of composition, 0 == no composition */ |
| int composition_start; /* the character position for the composition */ |
| } EDITSTATE; |
| |
| |
| #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0) |
| #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0) |
| |
| /* used for disabled or read-only edit control */ |
| #define EDIT_NOTIFY_PARENT(es, wNotifyCode) \ |
| do \ |
| { /* Notify parent which has created this edit control */ \ |
| TRACE("notification " #wNotifyCode " sent to hwnd=%p\n", es->hwndParent); \ |
| SendMessageW(es->hwndParent, WM_COMMAND, \ |
| MAKEWPARAM(GetWindowLongPtrW((es->hwndSelf),GWLP_ID), wNotifyCode), \ |
| (LPARAM)(es->hwndSelf)); \ |
| } while(0) |
| |
| |
| /********************************************************************* |
| * |
| * EM_CANUNDO |
| * |
| */ |
| static inline BOOL EDIT_EM_CanUndo(const EDITSTATE *es) |
| { |
| return (es->undo_insert_count || strlenW(es->undo_text)); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_EMPTYUNDOBUFFER |
| * |
| */ |
| static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es) |
| { |
| es->undo_insert_count = 0; |
| *es->undo_text = '\0'; |
| } |
| |
| |
| /********************************************************************** |
| * get_app_version |
| * |
| * Returns the window version in case Wine emulates a later version |
| * of windows than the application expects. |
| * |
| * In a number of cases when windows runs an application that was |
| * designed for an earlier windows version, windows reverts |
| * to "old" behaviour of that earlier version. |
| * |
| * An example is a disabled edit control that needs to be painted. |
| * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was |
| * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for |
| * applications with an expected version 0f 4.0 or higher. |
| * |
| */ |
| static DWORD get_app_version(void) |
| { |
| static DWORD version; |
| if (!version) |
| { |
| DWORD dwEmulatedVersion; |
| OSVERSIONINFOW info; |
| DWORD dwProcVersion = GetProcessVersion(0); |
| |
| info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW); |
| GetVersionExW( &info ); |
| dwEmulatedVersion = MAKELONG( info.dwMinorVersion, info.dwMajorVersion ); |
| /* FIXME: this may not be 100% correct; see discussion on the |
| * wine developer list in Nov 1999 */ |
| version = dwProcVersion < dwEmulatedVersion ? dwProcVersion : dwEmulatedVersion; |
| } |
| return version; |
| } |
| |
| static HBRUSH EDIT_NotifyCtlColor(EDITSTATE *es, HDC hdc) |
| { |
| HBRUSH hbrush; |
| UINT msg; |
| |
| if ( get_app_version() >= 0x40000 && (!es->bEnableState || (es->style & ES_READONLY))) |
| msg = WM_CTLCOLORSTATIC; |
| else |
| msg = WM_CTLCOLOREDIT; |
| |
| /* why do we notify to es->hwndParent, and we send this one to GetParent()? */ |
| hbrush = (HBRUSH)SendMessageW(GetParent(es->hwndSelf), msg, (WPARAM)hdc, (LPARAM)es->hwndSelf); |
| if (!hbrush) |
| hbrush = (HBRUSH)DefWindowProcW(GetParent(es->hwndSelf), msg, (WPARAM)hdc, (LPARAM)es->hwndSelf); |
| return hbrush; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_WordBreakProc |
| * |
| * Find the beginning of words. |
| * Note: unlike the specs for a WordBreakProc, this function only |
| * allows to be called without linebreaks between s[0] up to |
| * s[count - 1]. Remember it is only called |
| * internally, so we can decide this for ourselves. |
| * |
| */ |
| static INT EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action) |
| { |
| INT ret = 0; |
| |
| TRACE("s=%p, index=%d, count=%d, action=%d\n", s, index, count, action); |
| |
| if(!s) return 0; |
| |
| switch (action) { |
| case WB_LEFT: |
| if (!count) |
| break; |
| if (index) |
| index--; |
| if (s[index] == ' ') { |
| while (index && (s[index] == ' ')) |
| index--; |
| if (index) { |
| while (index && (s[index] != ' ')) |
| index--; |
| if (s[index] == ' ') |
| index++; |
| } |
| } else { |
| while (index && (s[index] != ' ')) |
| index--; |
| if (s[index] == ' ') |
| index++; |
| } |
| ret = index; |
| break; |
| case WB_RIGHT: |
| if (!count) |
| break; |
| if (index) |
| index--; |
| if (s[index] == ' ') |
| while ((index < count) && (s[index] == ' ')) index++; |
| else { |
| while (s[index] && (s[index] != ' ') && (index < count)) |
| index++; |
| while ((s[index] == ' ') && (index < count)) index++; |
| } |
| ret = index; |
| break; |
| case WB_ISDELIMITER: |
| ret = (s[index] == ' '); |
| break; |
| default: |
| ERR("unknown action code, please report !\n"); |
| break; |
| } |
| return ret; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_CallWordBreakProc |
| * |
| * Call appropriate WordBreakProc (internal or external). |
| * |
| * Note: The "start" argument should always be an index referring |
| * to es->text. The actual wordbreak proc might be |
| * 16 bit, so we can't always pass any 32 bit LPSTR. |
| * Hence we assume that es->text is the buffer that holds |
| * the string under examination (we can decide this for ourselves). |
| * |
| */ |
| static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action) |
| { |
| INT ret; |
| |
| if (es->word_break_proc16) { |
| HGLOBAL16 hglob16; |
| SEGPTR segptr; |
| INT countA; |
| WORD args[5]; |
| DWORD result; |
| |
| countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL); |
| hglob16 = GlobalAlloc16(GMEM_MOVEABLE | GMEM_ZEROINIT, countA); |
| segptr = WOWGlobalLock16(hglob16); |
| WideCharToMultiByte(CP_ACP, 0, es->text + start, count, MapSL(segptr), countA, NULL, NULL); |
| args[4] = SELECTOROF(segptr); |
| args[3] = OFFSETOF(segptr); |
| args[2] = index; |
| args[1] = countA; |
| args[0] = action; |
| WOWCallback16Ex((DWORD)es->word_break_proc16, WCB16_PASCAL, sizeof(args), args, &result); |
| ret = LOWORD(result); |
| GlobalUnlock16(hglob16); |
| GlobalFree16(hglob16); |
| } |
| else if (es->word_break_proc) |
| { |
| if(es->is_unicode) |
| { |
| EDITWORDBREAKPROCW wbpW = (EDITWORDBREAKPROCW)es->word_break_proc; |
| |
| TRACE_(relay)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n", |
| es->word_break_proc, debugstr_wn(es->text + start, count), index, count, action); |
| ret = wbpW(es->text + start, index, count, action); |
| } |
| else |
| { |
| EDITWORDBREAKPROCA wbpA = (EDITWORDBREAKPROCA)es->word_break_proc; |
| INT countA; |
| CHAR *textA; |
| |
| countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL); |
| textA = HeapAlloc(GetProcessHeap(), 0, countA); |
| WideCharToMultiByte(CP_ACP, 0, es->text + start, count, textA, countA, NULL, NULL); |
| TRACE_(relay)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n", |
| es->word_break_proc, debugstr_an(textA, countA), index, countA, action); |
| ret = wbpA(textA, index, countA, action); |
| HeapFree(GetProcessHeap(), 0, textA); |
| } |
| } |
| else |
| ret = EDIT_WordBreakProc(es->text + start, index, count, action); |
| |
| return ret; |
| } |
| |
| /********************************************************************* |
| * |
| * EDIT_BuildLineDefs_ML |
| * |
| * Build linked list of text lines. |
| * Lines can end with '\0' (last line), a character (if it is wrapped), |
| * a soft return '\r\r\n' or a hard return '\r\n' |
| * |
| */ |
| static void EDIT_BuildLineDefs_ML(EDITSTATE *es, INT istart, INT iend, INT delta, HRGN hrgn) |
| { |
| HDC dc; |
| HFONT old_font = 0; |
| LPWSTR current_position, cp; |
| INT fw; |
| LINEDEF *current_line; |
| LINEDEF *previous_line; |
| LINEDEF *start_line; |
| INT line_index = 0, nstart_line = 0, nstart_index = 0; |
| INT line_count = es->line_count; |
| INT orig_net_length; |
| RECT rc; |
| |
| if (istart == iend && delta == 0) |
| return; |
| |
| dc = GetDC(es->hwndSelf); |
| if (es->font) |
| old_font = SelectObject(dc, es->font); |
| |
| previous_line = NULL; |
| current_line = es->first_line_def; |
| |
| /* Find starting line. istart must lie inside an existing line or |
| * at the end of buffer */ |
| do { |
| if (istart < current_line->index + current_line->length || |
| current_line->ending == END_0) |
| break; |
| |
| previous_line = current_line; |
| current_line = current_line->next; |
| line_index++; |
| } while (current_line); |
| |
| if (!current_line) /* Error occurred start is not inside previous buffer */ |
| { |
| FIXME(" modification occurred outside buffer\n"); |
| ReleaseDC(es->hwndSelf, dc); |
| return; |
| } |
| |
| /* Remember start of modifications in order to calculate update region */ |
| nstart_line = line_index; |
| nstart_index = current_line->index; |
| |
| /* We must start to reformat from the previous line since the modifications |
| * may have caused the line to wrap upwards. */ |
| if (!(es->style & ES_AUTOHSCROLL) && line_index > 0) |
| { |
| line_index--; |
| current_line = previous_line; |
| } |
| start_line = current_line; |
| |
| fw = es->format_rect.right - es->format_rect.left; |
| current_position = es->text + current_line->index; |
| do { |
| if (current_line != start_line) |
| { |
| if (!current_line || current_line->index + delta > current_position - es->text) |
| { |
| /* The buffer has been expanded, create a new line and |
| insert it into the link list */ |
| LINEDEF *new_line = HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF)); |
| new_line->next = previous_line->next; |
| previous_line->next = new_line; |
| current_line = new_line; |
| es->line_count++; |
| } |
| else if (current_line->index + delta < current_position - es->text) |
| { |
| /* The previous line merged with this line so we delete this extra entry */ |
| previous_line->next = current_line->next; |
| HeapFree(GetProcessHeap(), 0, current_line); |
| current_line = previous_line->next; |
| es->line_count--; |
| continue; |
| } |
| else /* current_line->index + delta == current_position */ |
| { |
| if (current_position - es->text > iend) |
| break; /* We reached end of line modifications */ |
| /* else recalculate this line */ |
| } |
| } |
| |
| current_line->index = current_position - es->text; |
| orig_net_length = current_line->net_length; |
| |
| /* Find end of line */ |
| cp = current_position; |
| while (*cp) { |
| if (*cp == '\n') break; |
| if ((*cp == '\r') && (*(cp + 1) == '\n')) |
| break; |
| cp++; |
| } |
| |
| /* Mark type of line termination */ |
| if (!(*cp)) { |
| current_line->ending = END_0; |
| current_line->net_length = strlenW(current_position); |
| } else if ((cp > current_position) && (*(cp - 1) == '\r')) { |
| current_line->ending = END_SOFT; |
| current_line->net_length = cp - current_position - 1; |
| } else if (*cp == '\n') { |
| current_line->ending = END_RICH; |
| current_line->net_length = cp - current_position; |
| } else { |
| current_line->ending = END_HARD; |
| current_line->net_length = cp - current_position; |
| } |
| |
| /* Calculate line width */ |
| current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, |
| current_position, current_line->net_length, |
| es->tabs_count, es->tabs)); |
| |
| /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */ |
| if (!(es->style & ES_AUTOHSCROLL)) { |
| if (current_line->width > fw) { |
| INT next = 0; |
| INT prev; |
| do { |
| prev = next; |
| next = EDIT_CallWordBreakProc(es, current_position - es->text, |
| prev + 1, current_line->net_length, WB_RIGHT); |
| current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, |
| current_position, next, es->tabs_count, es->tabs)); |
| } while (current_line->width <= fw); |
| if (!prev) { /* Didn't find a line break so force a break */ |
| next = 0; |
| do { |
| prev = next; |
| next++; |
| current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, |
| current_position, next, es->tabs_count, es->tabs)); |
| } while (current_line->width <= fw); |
| if (!prev) |
| prev = 1; |
| } |
| |
| /* If the first line we are calculating, wrapped before istart, we must |
| * adjust istart in order for this to be reflected in the update region. */ |
| if (current_line->index == nstart_index && istart > current_line->index + prev) |
| istart = current_line->index + prev; |
| /* else if we are updating the previous line before the first line we |
| * are re-calculating and it expanded */ |
| else if (current_line == start_line && |
| current_line->index != nstart_index && orig_net_length < prev) |
| { |
| /* Line expanded due to an upwards line wrap so we must partially include |
| * previous line in update region */ |
| nstart_line = line_index; |
| nstart_index = current_line->index; |
| istart = current_line->index + orig_net_length; |
| } |
| |
| current_line->net_length = prev; |
| current_line->ending = END_WRAP; |
| current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, current_position, |
| current_line->net_length, es->tabs_count, es->tabs)); |
| } |
| else if (current_line == start_line && |
| current_line->index != nstart_index && |
| orig_net_length < current_line->net_length) { |
| /* The previous line expanded but it's still not as wide as the client rect */ |
| /* The expansion is due to an upwards line wrap so we must partially include |
| it in the update region */ |
| nstart_line = line_index; |
| nstart_index = current_line->index; |
| istart = current_line->index + orig_net_length; |
| } |
| } |
| |
| |
| /* Adjust length to include line termination */ |
| switch (current_line->ending) { |
| case END_SOFT: |
| current_line->length = current_line->net_length + 3; |
| break; |
| case END_RICH: |
| current_line->length = current_line->net_length + 1; |
| break; |
| case END_HARD: |
| current_line->length = current_line->net_length + 2; |
| break; |
| case END_WRAP: |
| case END_0: |
| current_line->length = current_line->net_length; |
| break; |
| } |
| es->text_width = max(es->text_width, current_line->width); |
| current_position += current_line->length; |
| previous_line = current_line; |
| current_line = current_line->next; |
| line_index++; |
| } while (previous_line->ending != END_0); |
| |
| /* Finish adjusting line indexes by delta or remove hanging lines */ |
| if (previous_line->ending == END_0) |
| { |
| LINEDEF *pnext = NULL; |
| |
| previous_line->next = NULL; |
| while (current_line) |
| { |
| pnext = current_line->next; |
| HeapFree(GetProcessHeap(), 0, current_line); |
| current_line = pnext; |
| es->line_count--; |
| } |
| } |
| else if (delta != 0) |
| { |
| while (current_line) |
| { |
| current_line->index += delta; |
| current_line = current_line->next; |
| } |
| } |
| |
| /* Calculate rest of modification rectangle */ |
| if (hrgn) |
| { |
| HRGN tmphrgn; |
| /* |
| * We calculate two rectangles. One for the first line which may have |
| * an indent with respect to the format rect. The other is a format-width |
| * rectangle that spans the rest of the lines that changed or moved. |
| */ |
| rc.top = es->format_rect.top + nstart_line * es->line_height - |
| (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */ |
| rc.bottom = rc.top + es->line_height; |
| if ((es->style & ES_CENTER) || (es->style & ES_RIGHT)) |
| rc.left = es->format_rect.left; |
| else |
| rc.left = es->format_rect.left + (INT)LOWORD(GetTabbedTextExtentW(dc, |
| es->text + nstart_index, istart - nstart_index, |
| es->tabs_count, es->tabs)) - es->x_offset; /* Adjust for horz scroll */ |
| rc.right = es->format_rect.right; |
| SetRectRgn(hrgn, rc.left, rc.top, rc.right, rc.bottom); |
| |
| rc.top = rc.bottom; |
| rc.left = es->format_rect.left; |
| rc.right = es->format_rect.right; |
| /* |
| * If lines were added or removed we must re-paint the remainder of the |
| * lines since the remaining lines were either shifted up or down. |
| */ |
| if (line_count < es->line_count) /* We added lines */ |
| rc.bottom = es->line_count * es->line_height; |
| else if (line_count > es->line_count) /* We removed lines */ |
| rc.bottom = line_count * es->line_height; |
| else |
| rc.bottom = line_index * es->line_height; |
| rc.bottom += es->format_rect.top; |
| rc.bottom -= (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */ |
| tmphrgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom); |
| CombineRgn(hrgn, hrgn, tmphrgn, RGN_OR); |
| DeleteObject(tmphrgn); |
| } |
| |
| if (es->font) |
| SelectObject(dc, old_font); |
| |
| ReleaseDC(es->hwndSelf, dc); |
| } |
| |
| |
| static inline UINT get_text_length(EDITSTATE *es) |
| { |
| if(es->text_length == (UINT)-1) |
| es->text_length = strlenW(es->text); |
| return es->text_length; |
| } |
| |
| /********************************************************************* |
| * |
| * EDIT_GetPasswordPointer_SL |
| * |
| * note: caller should free the (optionally) allocated buffer |
| * |
| */ |
| static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es) |
| { |
| if (es->style & ES_PASSWORD) { |
| INT len = get_text_length(es); |
| LPWSTR text = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR)); |
| text[len] = '\0'; |
| while(len) text[--len] = es->password_char; |
| return text; |
| } else |
| return es->text; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_CalcLineWidth_SL |
| * |
| */ |
| static void EDIT_CalcLineWidth_SL(EDITSTATE *es) |
| { |
| SIZE size; |
| LPWSTR text; |
| HDC dc; |
| HFONT old_font = 0; |
| |
| text = EDIT_GetPasswordPointer_SL(es); |
| |
| dc = GetDC(es->hwndSelf); |
| if (es->font) |
| old_font = SelectObject(dc, es->font); |
| |
| GetTextExtentPoint32W(dc, text, strlenW(text), &size); |
| |
| if (es->font) |
| SelectObject(dc, old_font); |
| ReleaseDC(es->hwndSelf, dc); |
| |
| if (es->style & ES_PASSWORD) |
| HeapFree(GetProcessHeap(), 0, text); |
| |
| es->text_width = size.cx; |
| } |
| |
| /********************************************************************* |
| * |
| * EDIT_CharFromPos |
| * |
| * Beware: This is not the function called on EM_CHARFROMPOS |
| * The position _can_ be outside the formatting / client |
| * rectangle |
| * The return value is only the character index |
| * |
| */ |
| static INT EDIT_CharFromPos(EDITSTATE *es, INT x, INT y, LPBOOL after_wrap) |
| { |
| INT index; |
| HDC dc; |
| HFONT old_font = 0; |
| INT x_high = 0, x_low = 0; |
| |
| if (es->style & ES_MULTILINE) { |
| INT line = (y - es->format_rect.top) / es->line_height + es->y_offset; |
| INT line_index = 0; |
| LINEDEF *line_def = es->first_line_def; |
| INT low, high; |
| while ((line > 0) && line_def->next) { |
| line_index += line_def->length; |
| line_def = line_def->next; |
| line--; |
| } |
| x += es->x_offset - es->format_rect.left; |
| if (es->style & ES_RIGHT) |
| x -= (es->format_rect.right - es->format_rect.left) - line_def->width; |
| else if (es->style & ES_CENTER) |
| x -= ((es->format_rect.right - es->format_rect.left) - line_def->width) / 2; |
| if (x >= line_def->width) { |
| if (after_wrap) |
| *after_wrap = (line_def->ending == END_WRAP); |
| return line_index + line_def->net_length; |
| } |
| if (x <= 0) { |
| if (after_wrap) |
| *after_wrap = FALSE; |
| return line_index; |
| } |
| dc = GetDC(es->hwndSelf); |
| if (es->font) |
| old_font = SelectObject(dc, es->font); |
| low = line_index; |
| high = line_index + line_def->net_length + 1; |
| while (low < high - 1) |
| { |
| INT mid = (low + high) / 2; |
| INT x_now = LOWORD(GetTabbedTextExtentW(dc, es->text + line_index, mid - line_index, es->tabs_count, es->tabs)); |
| if (x_now > x) { |
| high = mid; |
| x_high = x_now; |
| } else { |
| low = mid; |
| x_low = x_now; |
| } |
| } |
| if (abs(x_high - x) + 1 <= abs(x_low - x)) |
| index = high; |
| else |
| index = low; |
| |
| if (after_wrap) |
| *after_wrap = ((index == line_index + line_def->net_length) && |
| (line_def->ending == END_WRAP)); |
| } else { |
| LPWSTR text; |
| SIZE size; |
| if (after_wrap) |
| *after_wrap = FALSE; |
| x -= es->format_rect.left; |
| if (!x) |
| return es->x_offset; |
| |
| if (!es->x_offset) |
| { |
| INT indent = (es->format_rect.right - es->format_rect.left) - es->text_width; |
| if (es->style & ES_RIGHT) |
| x -= indent; |
| else if (es->style & ES_CENTER) |
| x -= indent / 2; |
| } |
| |
| text = EDIT_GetPasswordPointer_SL(es); |
| dc = GetDC(es->hwndSelf); |
| if (es->font) |
| old_font = SelectObject(dc, es->font); |
| if (x < 0) |
| { |
| INT low = 0; |
| INT high = es->x_offset; |
| while (low < high - 1) |
| { |
| INT mid = (low + high) / 2; |
| GetTextExtentPoint32W( dc, text + mid, |
| es->x_offset - mid, &size ); |
| if (size.cx > -x) { |
| low = mid; |
| x_low = size.cx; |
| } else { |
| high = mid; |
| x_high = size.cx; |
| } |
| } |
| if (abs(x_high + x) <= abs(x_low + x) + 1) |
| index = high; |
| else |
| index = low; |
| } |
| else |
| { |
| INT low = es->x_offset; |
| INT high = get_text_length(es) + 1; |
| while (low < high - 1) |
| { |
| INT mid = (low + high) / 2; |
| GetTextExtentPoint32W( dc, text + es->x_offset, |
| mid - es->x_offset, &size ); |
| if (size.cx > x) { |
| high = mid; |
| x_high = size.cx; |
| } else { |
| low = mid; |
| x_low = size.cx; |
| } |
| } |
| if (abs(x_high - x) <= abs(x_low - x) + 1) |
| index = high; |
| else |
| index = low; |
| } |
| if (es->style & ES_PASSWORD) |
| HeapFree(GetProcessHeap(), 0, text); |
| } |
| if (es->font) |
| SelectObject(dc, old_font); |
| ReleaseDC(es->hwndSelf, dc); |
| return index; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_ConfinePoint |
| * |
| * adjusts the point to be within the formatting rectangle |
| * (so CharFromPos returns the nearest _visible_ character) |
| * |
| */ |
| static void EDIT_ConfinePoint(const EDITSTATE *es, LPINT x, LPINT y) |
| { |
| *x = min(max(*x, es->format_rect.left), es->format_rect.right - 1); |
| *y = min(max(*y, es->format_rect.top), es->format_rect.bottom - 1); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_LINEFROMCHAR |
| * |
| */ |
| static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index) |
| { |
| INT line; |
| LINEDEF *line_def; |
| |
| if (!(es->style & ES_MULTILINE)) |
| return 0; |
| if (index > (INT)get_text_length(es)) |
| return es->line_count - 1; |
| if (index == -1) |
| index = min(es->selection_start, es->selection_end); |
| |
| line = 0; |
| line_def = es->first_line_def; |
| index -= line_def->length; |
| while ((index >= 0) && line_def->next) { |
| line++; |
| line_def = line_def->next; |
| index -= line_def->length; |
| } |
| return line; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_LINEINDEX |
| * |
| */ |
| static INT EDIT_EM_LineIndex(const EDITSTATE *es, INT line) |
| { |
| INT line_index; |
| const LINEDEF *line_def; |
| |
| if (!(es->style & ES_MULTILINE)) |
| return 0; |
| if (line >= es->line_count) |
| return -1; |
| |
| line_index = 0; |
| line_def = es->first_line_def; |
| if (line == -1) { |
| INT index = es->selection_end - line_def->length; |
| while ((index >= 0) && line_def->next) { |
| line_index += line_def->length; |
| line_def = line_def->next; |
| index -= line_def->length; |
| } |
| } else { |
| while (line > 0) { |
| line_index += line_def->length; |
| line_def = line_def->next; |
| line--; |
| } |
| } |
| return line_index; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_LINELENGTH |
| * |
| */ |
| static INT EDIT_EM_LineLength(EDITSTATE *es, INT index) |
| { |
| LINEDEF *line_def; |
| |
| if (!(es->style & ES_MULTILINE)) |
| return get_text_length(es); |
| |
| if (index == -1) { |
| /* get the number of remaining non-selected chars of selected lines */ |
| INT32 l; /* line number */ |
| INT32 li; /* index of first char in line */ |
| INT32 count; |
| l = EDIT_EM_LineFromChar(es, es->selection_start); |
| /* # chars before start of selection area */ |
| count = es->selection_start - EDIT_EM_LineIndex(es, l); |
| l = EDIT_EM_LineFromChar(es, es->selection_end); |
| /* # chars after end of selection */ |
| li = EDIT_EM_LineIndex(es, l); |
| count += li + EDIT_EM_LineLength(es, li) - es->selection_end; |
| return count; |
| } |
| line_def = es->first_line_def; |
| index -= line_def->length; |
| while ((index >= 0) && line_def->next) { |
| line_def = line_def->next; |
| index -= line_def->length; |
| } |
| return line_def->net_length; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_POSFROMCHAR |
| * |
| */ |
| static LRESULT EDIT_EM_PosFromChar(EDITSTATE *es, INT index, BOOL after_wrap) |
| { |
| INT len = get_text_length(es); |
| INT l; |
| INT li; |
| INT x; |
| INT y = 0; |
| INT w; |
| INT lw = 0; |
| INT ll = 0; |
| HDC dc; |
| HFONT old_font = 0; |
| SIZE size; |
| LINEDEF *line_def; |
| |
| index = min(index, len); |
| dc = GetDC(es->hwndSelf); |
| if (es->font) |
| old_font = SelectObject(dc, es->font); |
| if (es->style & ES_MULTILINE) { |
| l = EDIT_EM_LineFromChar(es, index); |
| y = (l - es->y_offset) * es->line_height; |
| li = EDIT_EM_LineIndex(es, l); |
| if (after_wrap && (li == index) && l) { |
| INT l2 = l - 1; |
| line_def = es->first_line_def; |
| while (l2) { |
| line_def = line_def->next; |
| l2--; |
| } |
| if (line_def->ending == END_WRAP) { |
| l--; |
| y -= es->line_height; |
| li = EDIT_EM_LineIndex(es, l); |
| } |
| } |
| |
| line_def = es->first_line_def; |
| while (line_def->index != li) |
| line_def = line_def->next; |
| |
| ll = line_def->net_length; |
| lw = line_def->width; |
| |
| w = es->format_rect.right - es->format_rect.left; |
| if (es->style & ES_RIGHT) |
| { |
| x = LOWORD(GetTabbedTextExtentW(dc, es->text + li + (index - li), ll - (index - li), |
| es->tabs_count, es->tabs)) - es->x_offset; |
| x = w - x; |
| } |
| else if (es->style & ES_CENTER) |
| { |
| x = LOWORD(GetTabbedTextExtentW(dc, es->text + li, index - li, |
| es->tabs_count, es->tabs)) - es->x_offset; |
| x += (w - lw) / 2; |
| } |
| else /* ES_LEFT */ |
| { |
| x = LOWORD(GetTabbedTextExtentW(dc, es->text + li, index - li, |
| es->tabs_count, es->tabs)) - es->x_offset; |
| } |
| } else { |
| LPWSTR text = EDIT_GetPasswordPointer_SL(es); |
| if (index < es->x_offset) { |
| GetTextExtentPoint32W(dc, text + index, |
| es->x_offset - index, &size); |
| x = -size.cx; |
| } else { |
| GetTextExtentPoint32W(dc, text + es->x_offset, |
| index - es->x_offset, &size); |
| x = size.cx; |
| |
| if (!es->x_offset && (es->style & (ES_RIGHT | ES_CENTER))) |
| { |
| w = es->format_rect.right - es->format_rect.left; |
| if (w > es->text_width) |
| { |
| if (es->style & ES_RIGHT) |
| x += w - es->text_width; |
| else if (es->style & ES_CENTER) |
| x += (w - es->text_width) / 2; |
| } |
| } |
| } |
| y = 0; |
| if (es->style & ES_PASSWORD) |
| HeapFree(GetProcessHeap(), 0, text); |
| } |
| x += es->format_rect.left; |
| y += es->format_rect.top; |
| if (es->font) |
| SelectObject(dc, old_font); |
| ReleaseDC(es->hwndSelf, dc); |
| return MAKELONG((INT16)x, (INT16)y); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_GetLineRect |
| * |
| * Calculates the bounding rectangle for a line from a starting |
| * column to an ending column. |
| * |
| */ |
| static void EDIT_GetLineRect(EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc) |
| { |
| INT line_index = EDIT_EM_LineIndex(es, line); |
| |
| if (es->style & ES_MULTILINE) |
| rc->top = es->format_rect.top + (line - es->y_offset) * es->line_height; |
| else |
| rc->top = es->format_rect.top; |
| rc->bottom = rc->top + es->line_height; |
| rc->left = (scol == 0) ? es->format_rect.left : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + scol, TRUE)); |
| rc->right = (ecol == -1) ? es->format_rect.right : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + ecol, TRUE)); |
| } |
| |
| |
| static inline void text_buffer_changed(EDITSTATE *es) |
| { |
| es->text_length = (UINT)-1; |
| } |
| |
| /********************************************************************* |
| * |
| * EDIT_LockBuffer |
| * |
| * This acts as a LocalLock16(), but it locks only once. This way |
| * you can call it whenever you like, without unlocking. |
| * |
| * Initially the edit control allocates a HLOCAL32 buffer |
| * (32 bit linear memory handler). However, 16 bit application |
| * might send an EM_GETHANDLE message and expect a HLOCAL16 (16 bit SEG:OFF |
| * handler). From that moment on we have to keep using this 16 bit memory |
| * handler, because it is supposed to be valid at all times after EM_GETHANDLE. |
| * What we do is create a HLOCAL16 buffer, copy the text, and do pointer |
| * conversion. |
| * |
| */ |
| static void EDIT_LockBuffer(EDITSTATE *es) |
| { |
| STACK16FRAME* stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved)); |
| HINSTANCE16 hInstance = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE ); |
| |
| if (!es->text) { |
| CHAR *textA = NULL; |
| UINT countA = 0; |
| BOOL _16bit = FALSE; |
| |
| if(es->hloc32W) |
| { |
| if(es->hloc32A) |
| { |
| TRACE("Synchronizing with 32-bit ANSI buffer\n"); |
| textA = LocalLock(es->hloc32A); |
| countA = strlen(textA) + 1; |
| } |
| else if(es->hloc16) |
| { |
| HANDLE16 oldDS = stack16->ds; |
| TRACE("Synchronizing with 16-bit ANSI buffer\n"); |
| stack16->ds = hInstance; |
| textA = MapSL(LocalLock16(es->hloc16)); |
| stack16->ds = oldDS; |
| countA = strlen(textA) + 1; |
| _16bit = TRUE; |
| } |
| } |
| else { |
| ERR("no buffer ... please report\n"); |
| return; |
| } |
| |
| if(textA) |
| { |
| HLOCAL hloc32W_new; |
| UINT countW_new = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0); |
| TRACE("%d bytes translated to %d WCHARs\n", countA, countW_new); |
| if(countW_new > es->buffer_size + 1) |
| { |
| UINT alloc_size = ROUND_TO_GROW(countW_new * sizeof(WCHAR)); |
| TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es->buffer_size, countW_new); |
| hloc32W_new = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT); |
| if(hloc32W_new) |
| { |
| es->hloc32W = hloc32W_new; |
| es->buffer_size = LocalSize(hloc32W_new)/sizeof(WCHAR) - 1; |
| TRACE("Real new size %d+1 WCHARs\n", es->buffer_size); |
| } |
| else |
| WARN("FAILED! Will synchronize partially\n"); |
| } |
| } |
| |
| /*TRACE("Locking 32-bit UNICODE buffer\n");*/ |
| es->text = LocalLock(es->hloc32W); |
| |
| if(textA) |
| { |
| MultiByteToWideChar(CP_ACP, 0, textA, countA, es->text, es->buffer_size + 1); |
| if(_16bit) |
| { |
| HANDLE16 oldDS = stack16->ds; |
| stack16->ds = hInstance; |
| LocalUnlock16(es->hloc16); |
| stack16->ds = oldDS; |
| } |
| else |
| LocalUnlock(es->hloc32A); |
| } |
| } |
| if(es->flags & EF_APP_HAS_HANDLE) text_buffer_changed(es); |
| es->lock_count++; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_UnlockBuffer |
| * |
| */ |
| static void EDIT_UnlockBuffer(EDITSTATE *es, BOOL force) |
| { |
| |
| /* Edit window might be already destroyed */ |
| if(!IsWindow(es->hwndSelf)) |
| { |
| WARN("edit hwnd %p already destroyed\n", es->hwndSelf); |
| return; |
| } |
| |
| if (!es->lock_count) { |
| ERR("lock_count == 0 ... please report\n"); |
| return; |
| } |
| if (!es->text) { |
| ERR("es->text == 0 ... please report\n"); |
| return; |
| } |
| |
| if (force || (es->lock_count == 1)) { |
| if (es->hloc32W) { |
| CHAR *textA = NULL; |
| UINT countA = 0; |
| UINT countW = get_text_length(es) + 1; |
| STACK16FRAME* stack16 = NULL; |
| HANDLE16 oldDS = 0; |
| |
| if(es->hloc32A) |
| { |
| UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL); |
| TRACE("Synchronizing with 32-bit ANSI buffer\n"); |
| TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new); |
| countA = LocalSize(es->hloc32A); |
| if(countA_new > countA) |
| { |
| HLOCAL hloc32A_new; |
| UINT alloc_size = ROUND_TO_GROW(countA_new); |
| TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size); |
| hloc32A_new = LocalReAlloc(es->hloc32A, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT); |
| if(hloc32A_new) |
| { |
| es->hloc32A = hloc32A_new; |
| countA = LocalSize(hloc32A_new); |
| TRACE("Real new size %d bytes\n", countA); |
| } |
| else |
| WARN("FAILED! Will synchronize partially\n"); |
| } |
| textA = LocalLock(es->hloc32A); |
| } |
| else if(es->hloc16) |
| { |
| UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL); |
| |
| TRACE("Synchronizing with 16-bit ANSI buffer\n"); |
| TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new); |
| |
| stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved)); |
| oldDS = stack16->ds; |
| stack16->ds = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE ); |
| |
| countA = LocalSize16(es->hloc16); |
| if(countA_new > countA) |
| { |
| HLOCAL16 hloc16_new; |
| UINT alloc_size = ROUND_TO_GROW(countA_new); |
| TRACE("Resizing 16-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size); |
| hloc16_new = LocalReAlloc16(es->hloc16, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT); |
| if(hloc16_new) |
| { |
| es->hloc16 = hloc16_new; |
| countA = LocalSize16(hloc16_new); |
| TRACE("Real new size %d bytes\n", countA); |
| } |
| else |
| WARN("FAILED! Will synchronize partially\n"); |
| } |
| textA = MapSL(LocalLock16(es->hloc16)); |
| } |
| |
| if(textA) |
| { |
| WideCharToMultiByte(CP_ACP, 0, es->text, countW, textA, countA, NULL, NULL); |
| if(stack16) |
| LocalUnlock16(es->hloc16); |
| else |
| LocalUnlock(es->hloc32A); |
| } |
| |
| if (stack16) stack16->ds = oldDS; |
| LocalUnlock(es->hloc32W); |
| es->text = NULL; |
| } |
| else { |
| ERR("no buffer ... please report\n"); |
| return; |
| } |
| } |
| es->lock_count--; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_MakeFit |
| * |
| * Try to fit size + 1 characters in the buffer. |
| */ |
| static BOOL EDIT_MakeFit(EDITSTATE *es, UINT size) |
| { |
| HLOCAL hNew32W; |
| |
| if (size <= es->buffer_size) |
| return TRUE; |
| |
| TRACE("trying to ReAlloc to %d+1 characters\n", size); |
| |
| /* Force edit to unlock it's buffer. es->text now NULL */ |
| EDIT_UnlockBuffer(es, TRUE); |
| |
| if (es->hloc32W) { |
| UINT alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR)); |
| if ((hNew32W = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT))) { |
| TRACE("Old 32 bit handle %p, new handle %p\n", es->hloc32W, hNew32W); |
| es->hloc32W = hNew32W; |
| es->buffer_size = LocalSize(hNew32W)/sizeof(WCHAR) - 1; |
| } |
| } |
| |
| EDIT_LockBuffer(es); |
| |
| if (es->buffer_size < size) { |
| WARN("FAILED ! We now have %d+1\n", es->buffer_size); |
| EDIT_NOTIFY_PARENT(es, EN_ERRSPACE); |
| return FALSE; |
| } else { |
| TRACE("We now have %d+1\n", es->buffer_size); |
| return TRUE; |
| } |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_MakeUndoFit |
| * |
| * Try to fit size + 1 bytes in the undo buffer. |
| * |
| */ |
| static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size) |
| { |
| UINT alloc_size; |
| |
| if (size <= es->undo_buffer_size) |
| return TRUE; |
| |
| TRACE("trying to ReAlloc to %d+1\n", size); |
| |
| alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR)); |
| if ((es->undo_text = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, es->undo_text, alloc_size))) { |
| es->undo_buffer_size = alloc_size/sizeof(WCHAR) - 1; |
| return TRUE; |
| } |
| else |
| { |
| WARN("FAILED ! We now have %d+1\n", es->undo_buffer_size); |
| return FALSE; |
| } |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_UpdateTextRegion |
| * |
| */ |
| static void EDIT_UpdateTextRegion(EDITSTATE *es, HRGN hrgn, BOOL bErase) |
| { |
| if (es->flags & EF_UPDATE) { |
| es->flags &= ~EF_UPDATE; |
| EDIT_NOTIFY_PARENT(es, EN_UPDATE); |
| } |
| InvalidateRgn(es->hwndSelf, hrgn, bErase); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_UpdateText |
| * |
| */ |
| static void EDIT_UpdateText(EDITSTATE *es, const RECT *rc, BOOL bErase) |
| { |
| if (es->flags & EF_UPDATE) { |
| es->flags &= ~EF_UPDATE; |
| EDIT_NOTIFY_PARENT(es, EN_UPDATE); |
| } |
| InvalidateRect(es->hwndSelf, rc, bErase); |
| } |
| |
| /********************************************************************* |
| * |
| * EDIT_SL_InvalidateText |
| * |
| * Called from EDIT_InvalidateText(). |
| * Does the job for single-line controls only. |
| * |
| */ |
| static void EDIT_SL_InvalidateText(EDITSTATE *es, INT start, INT end) |
| { |
| RECT line_rect; |
| RECT rc; |
| |
| EDIT_GetLineRect(es, 0, start, end, &line_rect); |
| if (IntersectRect(&rc, &line_rect, &es->format_rect)) |
| EDIT_UpdateText(es, &rc, TRUE); |
| } |
| |
| |
| static inline INT get_vertical_line_count(EDITSTATE *es) |
| { |
| INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height; |
| return max(1,vlc); |
| } |
| |
| /********************************************************************* |
| * |
| * EDIT_ML_InvalidateText |
| * |
| * Called from EDIT_InvalidateText(). |
| * Does the job for multi-line controls only. |
| * |
| */ |
| static void EDIT_ML_InvalidateText(EDITSTATE *es, INT start, INT end) |
| { |
| INT vlc = get_vertical_line_count(es); |
| INT sl = EDIT_EM_LineFromChar(es, start); |
| INT el = EDIT_EM_LineFromChar(es, end); |
| INT sc; |
| INT ec; |
| RECT rc1; |
| RECT rcWnd; |
| RECT rcLine; |
| RECT rcUpdate; |
| INT l; |
| |
| if ((el < es->y_offset) || (sl > es->y_offset + vlc)) |
| return; |
| |
| sc = start - EDIT_EM_LineIndex(es, sl); |
| ec = end - EDIT_EM_LineIndex(es, el); |
| if (sl < es->y_offset) { |
| sl = es->y_offset; |
| sc = 0; |
| } |
| if (el > es->y_offset + vlc) { |
| el = es->y_offset + vlc; |
| ec = EDIT_EM_LineLength(es, EDIT_EM_LineIndex(es, el)); |
| } |
| GetClientRect(es->hwndSelf, &rc1); |
| IntersectRect(&rcWnd, &rc1, &es->format_rect); |
| if (sl == el) { |
| EDIT_GetLineRect(es, sl, sc, ec, &rcLine); |
| if (IntersectRect(&rcUpdate, &rcWnd, &rcLine)) |
| EDIT_UpdateText(es, &rcUpdate, TRUE); |
| } else { |
| EDIT_GetLineRect(es, sl, sc, |
| EDIT_EM_LineLength(es, |
| EDIT_EM_LineIndex(es, sl)), |
| &rcLine); |
| if (IntersectRect(&rcUpdate, &rcWnd, &rcLine)) |
| EDIT_UpdateText(es, &rcUpdate, TRUE); |
| for (l = sl + 1 ; l < el ; l++) { |
| EDIT_GetLineRect(es, l, 0, |
| EDIT_EM_LineLength(es, |
| EDIT_EM_LineIndex(es, l)), |
| &rcLine); |
| if (IntersectRect(&rcUpdate, &rcWnd, &rcLine)) |
| EDIT_UpdateText(es, &rcUpdate, TRUE); |
| } |
| EDIT_GetLineRect(es, el, 0, ec, &rcLine); |
| if (IntersectRect(&rcUpdate, &rcWnd, &rcLine)) |
| EDIT_UpdateText(es, &rcUpdate, TRUE); |
| } |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_InvalidateText |
| * |
| * Invalidate the text from offset start up to, but not including, |
| * offset end. Useful for (re)painting the selection. |
| * Regions outside the linewidth are not invalidated. |
| * end == -1 means end == TextLength. |
| * start and end need not be ordered. |
| * |
| */ |
| static void EDIT_InvalidateText(EDITSTATE *es, INT start, INT end) |
| { |
| if (end == start) |
| return; |
| |
| if (end == -1) |
| end = get_text_length(es); |
| |
| if (end < start) { |
| INT tmp = start; |
| start = end; |
| end = tmp; |
| } |
| |
| if (es->style & ES_MULTILINE) |
| EDIT_ML_InvalidateText(es, start, end); |
| else |
| EDIT_SL_InvalidateText(es, start, end); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_EM_SetSel |
| * |
| * note: unlike the specs say: the order of start and end |
| * _is_ preserved in Windows. (i.e. start can be > end) |
| * In other words: this handler is OK |
| * |
| */ |
| static void EDIT_EM_SetSel(EDITSTATE *es, UINT start, UINT end, BOOL after_wrap) |
| { |
| UINT old_start = es->selection_start; |
| UINT old_end = es->selection_end; |
| UINT len = get_text_length(es); |
| |
| if (start == (UINT)-1) { |
| start = es->selection_end; |
| end = es->selection_end; |
| } else { |
| start = min(start, len); |
| end = min(end, len); |
| } |
| es->selection_start = start; |
| es->selection_end = end; |
| if (after_wrap) |
| es->flags |= EF_AFTER_WRAP; |
| else |
| es->flags &= ~EF_AFTER_WRAP; |
| /* Compute the necessary invalidation region. */ |
| /* Note that we don't need to invalidate regions which have |
| * "never" been selected, or those which are "still" selected. |
| * In fact, every time we hit a selection boundary, we can |
| * *toggle* whether we need to invalidate. Thus we can optimize by |
| * *sorting* the interval endpoints. Let's assume that we sort them |
| * in this order: |
| * start <= end <= old_start <= old_end |
| * Knuth 5.3.1 (p 183) assures us that this can be done optimally |
| * in 5 comparisons; i.e. it is impossible to do better than the |
| * following: */ |
| ORDER_UINT(end, old_end); |
| ORDER_UINT(start, old_start); |
| ORDER_UINT(old_start, old_end); |
| ORDER_UINT(start, end); |
| /* Note that at this point 'end' and 'old_start' are not in order, but |
| * start is definitely the min. and old_end is definitely the max. */ |
| if (end != old_start) |
| { |
| /* |
| * One can also do |
| * ORDER_UINT32(end, old_start); |
| * EDIT_InvalidateText(es, start, end); |
| * EDIT_InvalidateText(es, old_start, old_end); |
| * in place of the following if statement. |
| * (That would complete the optimal five-comparison four-element sort.) |
| */ |
| if (old_start > end ) |
| { |
| EDIT_InvalidateText(es, start, end); |
| EDIT_InvalidateText(es, old_start, old_end); |
| } |
| else |
| { |
| EDIT_InvalidateText(es, start, old_start); |
| EDIT_InvalidateText(es, end, old_end); |
| } |
| } |
| else EDIT_InvalidateText(es, start, old_end); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_UpdateScrollInfo |
| * |
| */ |
| static void EDIT_UpdateScrollInfo(EDITSTATE *es) |
| { |
| if ((es->style & WS_VSCROLL) && !(es->flags & EF_VSCROLL_TRACK)) |
| { |
| SCROLLINFO si; |
| si.cbSize = sizeof(SCROLLINFO); |
| si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL; |
| si.nMin = 0; |
| si.nMax = es->line_count - 1; |
| si.nPage = (es->format_rect.bottom - es->format_rect.top) / es->line_height; |
| si.nPos = es->y_offset; |
| TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n", |
| si.nMin, si.nMax, si.nPage, si.nPos); |
| SetScrollInfo(es->hwndSelf, SB_VERT, &si, TRUE); |
| } |
| |
| if ((es->style & WS_HSCROLL) && !(es->flags & EF_HSCROLL_TRACK)) |
| { |
| SCROLLINFO si; |
| si.cbSize = sizeof(SCROLLINFO); |
| si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL; |
| si.nMin = 0; |
| si.nMax = es->text_width - 1; |
| si.nPage = es->format_rect.right - es->format_rect.left; |
| si.nPos = es->x_offset; |
| TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n", |
| si.nMin, si.nMax, si.nPage, si.nPos); |
| SetScrollInfo(es->hwndSelf, SB_HORZ, &si, TRUE); |
| } |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_EM_LineScroll_internal |
| * |
| * Version of EDIT_EM_LineScroll for internal use. |
| * It doesn't refuse if ES_MULTILINE is set and assumes that |
| * dx is in pixels, dy - in lines. |
| * |
| */ |
| static BOOL EDIT_EM_LineScroll_internal(EDITSTATE *es, INT dx, INT dy) |
| { |
| INT nyoff; |
| INT x_offset_in_pixels; |
| INT lines_per_page = (es->format_rect.bottom - es->format_rect.top) / |
| es->line_height; |
| |
| if (es->style & ES_MULTILINE) |
| { |
| x_offset_in_pixels = es->x_offset; |
| } |
| else |
| { |
| dy = 0; |
| x_offset_in_pixels = (short)LOWORD(EDIT_EM_PosFromChar(es, es->x_offset, FALSE)); |
| } |
| |
| if (-dx > x_offset_in_pixels) |
| dx = -x_offset_in_pixels; |
| if (dx > es->text_width - x_offset_in_pixels) |
| dx = es->text_width - x_offset_in_pixels; |
| nyoff = max(0, es->y_offset + dy); |
| if (nyoff >= es->line_count - lines_per_page) |
| nyoff = max(0, es->line_count - lines_per_page); |
| dy = (es->y_offset - nyoff) * es->line_height; |
| if (dx || dy) { |
| RECT rc1; |
| RECT rc; |
| |
| es->y_offset = nyoff; |
| if(es->style & ES_MULTILINE) |
| es->x_offset += dx; |
| else |
| es->x_offset += dx / es->char_width; |
| |
| GetClientRect(es->hwndSelf, &rc1); |
| IntersectRect(&rc, &rc1, &es->format_rect); |
| ScrollWindowEx(es->hwndSelf, -dx, dy, |
| NULL, &rc, NULL, NULL, SW_INVALIDATE); |
| /* force scroll info update */ |
| EDIT_UpdateScrollInfo(es); |
| } |
| if (dx && !(es->flags & EF_HSCROLL_TRACK)) |
| EDIT_NOTIFY_PARENT(es, EN_HSCROLL); |
| if (dy && !(es->flags & EF_VSCROLL_TRACK)) |
| EDIT_NOTIFY_PARENT(es, EN_VSCROLL); |
| return TRUE; |
| } |
| |
| /********************************************************************* |
| * |
| * EM_LINESCROLL |
| * |
| * NOTE: dx is in average character widths, dy - in lines; |
| * |
| */ |
| static BOOL EDIT_EM_LineScroll(EDITSTATE *es, INT dx, INT dy) |
| { |
| if (!(es->style & ES_MULTILINE)) |
| return FALSE; |
| |
| dx *= es->char_width; |
| return EDIT_EM_LineScroll_internal(es, dx, dy); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_SCROLL |
| * |
| */ |
| static LRESULT EDIT_EM_Scroll(EDITSTATE *es, INT action) |
| { |
| INT dy; |
| |
| if (!(es->style & ES_MULTILINE)) |
| return (LRESULT)FALSE; |
| |
| dy = 0; |
| |
| switch (action) { |
| case SB_LINEUP: |
| if (es->y_offset) |
| dy = -1; |
| break; |
| case SB_LINEDOWN: |
| if (es->y_offset < es->line_count - 1) |
| dy = 1; |
| break; |
| case SB_PAGEUP: |
| if (es->y_offset) |
| dy = -(es->format_rect.bottom - es->format_rect.top) / es->line_height; |
| break; |
| case SB_PAGEDOWN: |
| if (es->y_offset < es->line_count - 1) |
| dy = (es->format_rect.bottom - es->format_rect.top) / es->line_height; |
| break; |
| default: |
| return (LRESULT)FALSE; |
| } |
| if (dy) { |
| INT vlc = get_vertical_line_count(es); |
| /* check if we are going to move too far */ |
| if(es->y_offset + dy > es->line_count - vlc) |
| dy = es->line_count - vlc - es->y_offset; |
| |
| /* Notification is done in EDIT_EM_LineScroll */ |
| if(dy) |
| EDIT_EM_LineScroll(es, 0, dy); |
| } |
| return MAKELONG((INT16)dy, (BOOL16)TRUE); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_SetCaretPos |
| * |
| */ |
| static void EDIT_SetCaretPos(EDITSTATE *es, INT pos, |
| BOOL after_wrap) |
| { |
| LRESULT res = EDIT_EM_PosFromChar(es, pos, after_wrap); |
| TRACE("%d - %dx%d\n", pos, (short)LOWORD(res), (short)HIWORD(res)); |
| SetCaretPos((short)LOWORD(res), (short)HIWORD(res)); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_SCROLLCARET |
| * |
| */ |
| static void EDIT_EM_ScrollCaret(EDITSTATE *es) |
| { |
| if (es->style & ES_MULTILINE) { |
| INT l; |
| INT vlc; |
| INT ww; |
| INT cw = es->char_width; |
| INT x; |
| INT dy = 0; |
| INT dx = 0; |
| |
| l = EDIT_EM_LineFromChar(es, es->selection_end); |
| x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP)); |
| vlc = get_vertical_line_count(es); |
| if (l >= es->y_offset + vlc) |
| dy = l - vlc + 1 - es->y_offset; |
| if (l < es->y_offset) |
| dy = l - es->y_offset; |
| ww = es->format_rect.right - es->format_rect.left; |
| if (x < es->format_rect.left) |
| dx = x - es->format_rect.left - ww / HSCROLL_FRACTION / cw * cw; |
| if (x > es->format_rect.right) |
| dx = x - es->format_rect.left - (HSCROLL_FRACTION - 1) * ww / HSCROLL_FRACTION / cw * cw; |
| if (dy || dx || (es->y_offset && (es->line_count - es->y_offset < vlc))) |
| { |
| /* check if we are going to move too far */ |
| if(es->x_offset + dx + ww > es->text_width) |
| dx = es->text_width - ww - es->x_offset; |
| if(dx || dy || (es->y_offset && (es->line_count - es->y_offset < vlc))) |
| EDIT_EM_LineScroll_internal(es, dx, dy); |
| } |
| } else { |
| INT x; |
| INT goal; |
| INT format_width; |
| |
| x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE)); |
| format_width = es->format_rect.right - es->format_rect.left; |
| if (x < es->format_rect.left) { |
| goal = es->format_rect.left + format_width / HSCROLL_FRACTION; |
| do { |
| es->x_offset--; |
| x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE)); |
| } while ((x < goal) && es->x_offset); |
| /* FIXME: use ScrollWindow() somehow to improve performance */ |
| EDIT_UpdateText(es, NULL, TRUE); |
| } else if (x > es->format_rect.right) { |
| INT x_last; |
| INT len = get_text_length(es); |
| goal = es->format_rect.right - format_width / HSCROLL_FRACTION; |
| do { |
| es->x_offset++; |
| x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE)); |
| x_last = (short)LOWORD(EDIT_EM_PosFromChar(es, len, FALSE)); |
| } while ((x > goal) && (x_last > es->format_rect.right)); |
| /* FIXME: use ScrollWindow() somehow to improve performance */ |
| EDIT_UpdateText(es, NULL, TRUE); |
| } |
| } |
| |
| if(es->flags & EF_FOCUSED) |
| EDIT_SetCaretPos(es, es->selection_end, es->flags & EF_AFTER_WRAP); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_MoveBackward |
| * |
| */ |
| static void EDIT_MoveBackward(EDITSTATE *es, BOOL extend) |
| { |
| INT e = es->selection_end; |
| |
| if (e) { |
| e--; |
| if ((es->style & ES_MULTILINE) && e && |
| (es->text[e - 1] == '\r') && (es->text[e] == '\n')) { |
| e--; |
| if (e && (es->text[e - 1] == '\r')) |
| e--; |
| } |
| } |
| EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE); |
| EDIT_EM_ScrollCaret(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_MoveDown_ML |
| * |
| * Only for multi line controls |
| * Move the caret one line down, on a column with the nearest |
| * x coordinate on the screen (might be a different column). |
| * |
| */ |
| static void EDIT_MoveDown_ML(EDITSTATE *es, BOOL extend) |
| { |
| INT s = es->selection_start; |
| INT e = es->selection_end; |
| BOOL after_wrap = (es->flags & EF_AFTER_WRAP); |
| LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap); |
| INT x = (short)LOWORD(pos); |
| INT y = (short)HIWORD(pos); |
| |
| e = EDIT_CharFromPos(es, x, y + es->line_height, &after_wrap); |
| if (!extend) |
| s = e; |
| EDIT_EM_SetSel(es, s, e, after_wrap); |
| EDIT_EM_ScrollCaret(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_MoveEnd |
| * |
| */ |
| static void EDIT_MoveEnd(EDITSTATE *es, BOOL extend, BOOL ctrl) |
| { |
| BOOL after_wrap = FALSE; |
| INT e; |
| |
| /* Pass a high value in x to make sure of receiving the end of the line */ |
| if (!ctrl && (es->style & ES_MULTILINE)) |
| e = EDIT_CharFromPos(es, 0x3fffffff, |
| HIWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP)), &after_wrap); |
| else |
| e = get_text_length(es); |
| EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, after_wrap); |
| EDIT_EM_ScrollCaret(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_MoveForward |
| * |
| */ |
| static void EDIT_MoveForward(EDITSTATE *es, BOOL extend) |
| { |
| INT e = es->selection_end; |
| |
| if (es->text[e]) { |
| e++; |
| if ((es->style & ES_MULTILINE) && (es->text[e - 1] == '\r')) { |
| if (es->text[e] == '\n') |
| e++; |
| else if ((es->text[e] == '\r') && (es->text[e + 1] == '\n')) |
| e += 2; |
| } |
| } |
| EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE); |
| EDIT_EM_ScrollCaret(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_MoveHome |
| * |
| * Home key: move to beginning of line. |
| * |
| */ |
| static void EDIT_MoveHome(EDITSTATE *es, BOOL extend, BOOL ctrl) |
| { |
| INT e; |
| |
| /* Pass the x_offset in x to make sure of receiving the first position of the line */ |
| if (!ctrl && (es->style & ES_MULTILINE)) |
| e = EDIT_CharFromPos(es, -es->x_offset, |
| HIWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP)), NULL); |
| else |
| e = 0; |
| EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE); |
| EDIT_EM_ScrollCaret(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_MovePageDown_ML |
| * |
| * Only for multi line controls |
| * Move the caret one page down, on a column with the nearest |
| * x coordinate on the screen (might be a different column). |
| * |
| */ |
| static void EDIT_MovePageDown_ML(EDITSTATE *es, BOOL extend) |
| { |
| INT s = es->selection_start; |
| INT e = es->selection_end; |
| BOOL after_wrap = (es->flags & EF_AFTER_WRAP); |
| LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap); |
| INT x = (short)LOWORD(pos); |
| INT y = (short)HIWORD(pos); |
| |
| e = EDIT_CharFromPos(es, x, |
| y + (es->format_rect.bottom - es->format_rect.top), |
| &after_wrap); |
| if (!extend) |
| s = e; |
| EDIT_EM_SetSel(es, s, e, after_wrap); |
| EDIT_EM_ScrollCaret(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_MovePageUp_ML |
| * |
| * Only for multi line controls |
| * Move the caret one page up, on a column with the nearest |
| * x coordinate on the screen (might be a different column). |
| * |
| */ |
| static void EDIT_MovePageUp_ML(EDITSTATE *es, BOOL extend) |
| { |
| INT s = es->selection_start; |
| INT e = es->selection_end; |
| BOOL after_wrap = (es->flags & EF_AFTER_WRAP); |
| LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap); |
| INT x = (short)LOWORD(pos); |
| INT y = (short)HIWORD(pos); |
| |
| e = EDIT_CharFromPos(es, x, |
| y - (es->format_rect.bottom - es->format_rect.top), |
| &after_wrap); |
| if (!extend) |
| s = e; |
| EDIT_EM_SetSel(es, s, e, after_wrap); |
| EDIT_EM_ScrollCaret(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_MoveUp_ML |
| * |
| * Only for multi line controls |
| * Move the caret one line up, on a column with the nearest |
| * x coordinate on the screen (might be a different column). |
| * |
| */ |
| static void EDIT_MoveUp_ML(EDITSTATE *es, BOOL extend) |
| { |
| INT s = es->selection_start; |
| INT e = es->selection_end; |
| BOOL after_wrap = (es->flags & EF_AFTER_WRAP); |
| LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap); |
| INT x = (short)LOWORD(pos); |
| INT y = (short)HIWORD(pos); |
| |
| e = EDIT_CharFromPos(es, x, y - es->line_height, &after_wrap); |
| if (!extend) |
| s = e; |
| EDIT_EM_SetSel(es, s, e, after_wrap); |
| EDIT_EM_ScrollCaret(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_MoveWordBackward |
| * |
| */ |
| static void EDIT_MoveWordBackward(EDITSTATE *es, BOOL extend) |
| { |
| INT s = es->selection_start; |
| INT e = es->selection_end; |
| INT l; |
| INT ll; |
| INT li; |
| |
| l = EDIT_EM_LineFromChar(es, e); |
| ll = EDIT_EM_LineLength(es, e); |
| li = EDIT_EM_LineIndex(es, l); |
| if (e - li == 0) { |
| if (l) { |
| li = EDIT_EM_LineIndex(es, l - 1); |
| e = li + EDIT_EM_LineLength(es, li); |
| } |
| } else { |
| e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT); |
| } |
| if (!extend) |
| s = e; |
| EDIT_EM_SetSel(es, s, e, FALSE); |
| EDIT_EM_ScrollCaret(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_MoveWordForward |
| * |
| */ |
| static void EDIT_MoveWordForward(EDITSTATE *es, BOOL extend) |
| { |
| INT s = es->selection_start; |
| INT e = es->selection_end; |
| INT l; |
| INT ll; |
| INT li; |
| |
| l = EDIT_EM_LineFromChar(es, e); |
| ll = EDIT_EM_LineLength(es, e); |
| li = EDIT_EM_LineIndex(es, l); |
| if (e - li == ll) { |
| if ((es->style & ES_MULTILINE) && (l != es->line_count - 1)) |
| e = EDIT_EM_LineIndex(es, l + 1); |
| } else { |
| e = li + EDIT_CallWordBreakProc(es, |
| li, e - li + 1, ll, WB_RIGHT); |
| } |
| if (!extend) |
| s = e; |
| EDIT_EM_SetSel(es, s, e, FALSE); |
| EDIT_EM_ScrollCaret(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_PaintText |
| * |
| */ |
| static INT EDIT_PaintText(EDITSTATE *es, HDC dc, INT x, INT y, INT line, INT col, INT count, BOOL rev) |
| { |
| COLORREF BkColor; |
| COLORREF TextColor; |
| LOGFONTW underline_font; |
| HFONT hUnderline = 0; |
| HFONT old_font = 0; |
| INT ret; |
| INT li; |
| INT BkMode; |
| SIZE size; |
| |
| if (!count) |
| return 0; |
| BkMode = GetBkMode(dc); |
| BkColor = GetBkColor(dc); |
| TextColor = GetTextColor(dc); |
| if (rev) { |
| if (es->composition_len == 0) |
| { |
| SetBkColor(dc, GetSysColor(COLOR_HIGHLIGHT)); |
| SetTextColor(dc, GetSysColor(COLOR_HIGHLIGHTTEXT)); |
| SetBkMode( dc, OPAQUE); |
| } |
| else |
| { |
| HFONT current = GetCurrentObject(dc,OBJ_FONT); |
| GetObjectW(current,sizeof(LOGFONTW),&underline_font); |
| underline_font.lfUnderline = TRUE; |
| hUnderline = CreateFontIndirectW(&underline_font); |
| old_font = SelectObject(dc,hUnderline); |
| } |
| } |
| li = EDIT_EM_LineIndex(es, line); |
| if (es->style & ES_MULTILINE) { |
| ret = (INT)LOWORD(TabbedTextOutW(dc, x, y, es->text + li + col, count, |
| es->tabs_count, es->tabs, es->format_rect.left - es->x_offset)); |
| } else { |
| LPWSTR text = EDIT_GetPasswordPointer_SL(es); |
| TextOutW(dc, x, y, text + li + col, count); |
| GetTextExtentPoint32W(dc, text + li + col, count, &size); |
| ret = size.cx; |
| if (es->style & ES_PASSWORD) |
| HeapFree(GetProcessHeap(), 0, text); |
| } |
| if (rev) { |
| if (es->composition_len == 0) |
| { |
| SetBkColor(dc, BkColor); |
| SetTextColor(dc, TextColor); |
| SetBkMode( dc, BkMode); |
| } |
| else |
| { |
| if (old_font) |
| SelectObject(dc,old_font); |
| if (hUnderline) |
| DeleteObject(hUnderline); |
| } |
| } |
| return ret; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_PaintLine |
| * |
| */ |
| static void EDIT_PaintLine(EDITSTATE *es, HDC dc, INT line, BOOL rev) |
| { |
| INT s = es->selection_start; |
| INT e = es->selection_end; |
| INT li; |
| INT ll; |
| INT x; |
| INT y; |
| LRESULT pos; |
| |
| if (es->style & ES_MULTILINE) { |
| INT vlc = get_vertical_line_count(es); |
| |
| if ((line < es->y_offset) || (line > es->y_offset + vlc) || (line >= es->line_count)) |
| return; |
| } else if (line) |
| return; |
| |
| TRACE("line=%d\n", line); |
| |
| pos = EDIT_EM_PosFromChar(es, EDIT_EM_LineIndex(es, line), FALSE); |
| x = (short)LOWORD(pos); |
| y = (short)HIWORD(pos); |
| li = EDIT_EM_LineIndex(es, line); |
| ll = EDIT_EM_LineLength(es, li); |
| s = min(es->selection_start, es->selection_end); |
| e = max(es->selection_start, es->selection_end); |
| s = min(li + ll, max(li, s)); |
| e = min(li + ll, max(li, e)); |
| if (rev && (s != e) && |
| ((es->flags & EF_FOCUSED) || (es->style & ES_NOHIDESEL))) { |
| x += EDIT_PaintText(es, dc, x, y, line, 0, s - li, FALSE); |
| x += EDIT_PaintText(es, dc, x, y, line, s - li, e - s, TRUE); |
| x += EDIT_PaintText(es, dc, x, y, line, e - li, li + ll - e, FALSE); |
| } else |
| x += EDIT_PaintText(es, dc, x, y, line, 0, ll, FALSE); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_AdjustFormatRect |
| * |
| * Adjusts the format rectangle for the current font and the |
| * current client rectangle. |
| * |
| */ |
| static void EDIT_AdjustFormatRect(EDITSTATE *es) |
| { |
| RECT ClientRect; |
| |
| es->format_rect.right = max(es->format_rect.right, es->format_rect.left + es->char_width); |
| if (es->style & ES_MULTILINE) |
| { |
| INT fw, vlc, max_x_offset, max_y_offset; |
| |
| vlc = get_vertical_line_count(es); |
| es->format_rect.bottom = es->format_rect.top + vlc * es->line_height; |
| |
| /* correct es->x_offset */ |
| fw = es->format_rect.right - es->format_rect.left; |
| max_x_offset = es->text_width - fw; |
| if(max_x_offset < 0) max_x_offset = 0; |
| if(es->x_offset > max_x_offset) |
| es->x_offset = max_x_offset; |
| |
| /* correct es->y_offset */ |
| max_y_offset = es->line_count - vlc; |
| if(max_y_offset < 0) max_y_offset = 0; |
| if(es->y_offset > max_y_offset) |
| es->y_offset = max_y_offset; |
| |
| /* force scroll info update */ |
| EDIT_UpdateScrollInfo(es); |
| } |
| else |
| /* Windows doesn't care to fix text placement for SL controls */ |
| es->format_rect.bottom = es->format_rect.top + es->line_height; |
| |
| /* Always stay within the client area */ |
| GetClientRect(es->hwndSelf, &ClientRect); |
| es->format_rect.bottom = min(es->format_rect.bottom, ClientRect.bottom); |
| |
| if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) |
| EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL); |
| |
| EDIT_SetCaretPos(es, es->selection_end, es->flags & EF_AFTER_WRAP); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EDIT_SetRectNP |
| * |
| * note: this is not (exactly) the handler called on EM_SETRECTNP |
| * it is also used to set the rect of a single line control |
| * |
| */ |
| static void EDIT_SetRectNP(EDITSTATE *es, const RECT *rc) |
| { |
| LONG_PTR ExStyle; |
| INT bw, bh; |
| ExStyle = GetWindowLongPtrW(es->hwndSelf, GWL_EXSTYLE); |
| |
| CopyRect(&es->format_rect, rc); |
| |
| if (ExStyle & WS_EX_CLIENTEDGE) { |
| es->format_rect.left++; |
| es->format_rect.right--; |
| |
| if (es->format_rect.bottom - es->format_rect.top |
| >= es->line_height + 2) |
| { |
| es->format_rect.top++; |
| es->format_rect.bottom--; |
| } |
| } |
| else if (es->style & WS_BORDER) { |
| bw = GetSystemMetrics(SM_CXBORDER) + 1; |
| bh = GetSystemMetrics(SM_CYBORDER) + 1; |
| es->format_rect.left += bw; |
| es->format_rect.right -= bw; |
| if (es->format_rect.bottom - es->format_rect.top |
| >= es->line_height + 2 * bh) |
| { |
| es->format_rect.top += bh; |
| es->format_rect.bottom -= bh; |
| } |
| } |
| |
| es->format_rect.left += es->left_margin; |
| es->format_rect.right -= es->right_margin; |
| EDIT_AdjustFormatRect(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_CHARFROMPOS |
| * |
| * returns line number (not index) in high-order word of result. |
| * NB : Q137805 is unclear about this. POINT * pointer in lParam apply |
| * to Richedit, not to the edit control. Original documentation is valid. |
| * FIXME: do the specs mean to return -1 if outside client area or |
| * if outside formatting rectangle ??? |
| * |
| */ |
| static LRESULT EDIT_EM_CharFromPos(EDITSTATE *es, INT x, INT y) |
| { |
| POINT pt; |
| RECT rc; |
| INT index; |
| |
| pt.x = x; |
| pt.y = y; |
| GetClientRect(es->hwndSelf, &rc); |
| if (!PtInRect(&rc, pt)) |
| return -1; |
| |
| index = EDIT_CharFromPos(es, x, y, NULL); |
| return MAKELONG(index, EDIT_EM_LineFromChar(es, index)); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_FMTLINES |
| * |
| * Enable or disable soft breaks. |
| * |
| * This means: insert or remove the soft linebreak character (\r\r\n). |
| * Take care to check if the text still fits the buffer after insertion. |
| * If not, notify with EN_ERRSPACE. |
| * |
| */ |
| static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol) |
| { |
| es->flags &= ~EF_USE_SOFTBRK; |
| if (add_eol) { |
| es->flags |= EF_USE_SOFTBRK; |
| FIXME("soft break enabled, not implemented\n"); |
| } |
| return add_eol; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_GETHANDLE |
| * |
| * Hopefully this won't fire back at us. |
| * We always start with a fixed buffer in the local heap. |
| * Despite of the documentation says that the local heap is used |
| * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate |
| * buffer on the local heap. |
| * |
| */ |
| static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es) |
| { |
| HLOCAL hLocal; |
| |
| if (!(es->style & ES_MULTILINE)) |
| return 0; |
| |
| if(es->is_unicode) |
| hLocal = es->hloc32W; |
| else |
| { |
| if(!es->hloc32A) |
| { |
| CHAR *textA; |
| UINT countA, alloc_size; |
| TRACE("Allocating 32-bit ANSI alias buffer\n"); |
| countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL); |
| alloc_size = ROUND_TO_GROW(countA); |
| if(!(es->hloc32A = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size))) |
| { |
| ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size); |
| return 0; |
| } |
| textA = LocalLock(es->hloc32A); |
| WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL); |
| LocalUnlock(es->hloc32A); |
| } |
| hLocal = es->hloc32A; |
| } |
| |
| es->flags |= EF_APP_HAS_HANDLE; |
| TRACE("Returning %p, LocalSize() = %ld\n", hLocal, LocalSize(hLocal)); |
| return hLocal; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_GETHANDLE16 |
| * |
| * Hopefully this won't fire back at us. |
| * We always start with a buffer in 32 bit linear memory. |
| * However, with this message a 16 bit application requests |
| * a handle of 16 bit local heap memory, where it expects to find |
| * the text. |
| * It's a pitty that from this moment on we have to use this |
| * local heap, because applications may rely on the handle |
| * in the future. |
| * |
| * In this function we'll try to switch to local heap. |
| */ |
| static HLOCAL16 EDIT_EM_GetHandle16(EDITSTATE *es) |
| { |
| CHAR *textA; |
| UINT countA, alloc_size; |
| STACK16FRAME* stack16; |
| HANDLE16 oldDS; |
| |
| if (!(es->style & ES_MULTILINE)) |
| return 0; |
| |
| if (es->hloc16) |
| return es->hloc16; |
| |
| stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved)); |
| oldDS = stack16->ds; |
| stack16->ds = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE ); |
| |
| if (!LocalHeapSize16()) { |
| |
| if (!LocalInit16(stack16->ds, 0, GlobalSize16(stack16->ds))) { |
| ERR("could not initialize local heap\n"); |
| goto done; |
| } |
| TRACE("local heap initialized\n"); |
| } |
| |
| countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL); |
| alloc_size = ROUND_TO_GROW(countA); |
| |
| TRACE("Allocating 16-bit ANSI alias buffer\n"); |
| if (!(es->hloc16 = LocalAlloc16(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size))) { |
| ERR("could not allocate new 16 bit buffer\n"); |
| goto done; |
| } |
| |
| if (!(textA = MapSL(LocalLock16( es->hloc16)))) { |
| ERR("could not lock new 16 bit buffer\n"); |
| LocalFree16(es->hloc16); |
| es->hloc16 = 0; |
| goto done; |
| } |
| |
| WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL); |
| LocalUnlock16(es->hloc16); |
| es->flags |= EF_APP_HAS_HANDLE; |
| |
| TRACE("Returning %04X, LocalSize() = %d\n", es->hloc16, LocalSize16(es->hloc16)); |
| |
| done: |
| stack16->ds = oldDS; |
| return es->hloc16; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_GETLINE |
| * |
| */ |
| static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPWSTR dst, BOOL unicode) |
| { |
| LPWSTR src; |
| INT line_len, dst_len; |
| INT i; |
| |
| if (es->style & ES_MULTILINE) { |
| if (line >= es->line_count) |
| return 0; |
| } else |
| line = 0; |
| i = EDIT_EM_LineIndex(es, line); |
| src = es->text + i; |
| line_len = EDIT_EM_LineLength(es, i); |
| dst_len = *(WORD *)dst; |
| if(unicode) |
| { |
| if(dst_len <= line_len) |
| { |
| memcpy(dst, src, dst_len * sizeof(WCHAR)); |
| return dst_len; |
| } |
| else /* Append 0 if enough space */ |
| { |
| memcpy(dst, src, line_len * sizeof(WCHAR)); |
| dst[line_len] = 0; |
| return line_len; |
| } |
| } |
| else |
| { |
| INT ret = WideCharToMultiByte(CP_ACP, 0, src, line_len, (LPSTR)dst, dst_len, NULL, NULL); |
| if(!ret && line_len) /* Insufficient buffer size */ |
| return dst_len; |
| if(ret < dst_len) /* Append 0 if enough space */ |
| ((LPSTR)dst)[ret] = 0; |
| return ret; |
| } |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_GETSEL |
| * |
| */ |
| static LRESULT EDIT_EM_GetSel(const EDITSTATE *es, PUINT start, PUINT end) |
| { |
| UINT s = es->selection_start; |
| UINT e = es->selection_end; |
| |
| ORDER_UINT(s, e); |
| if (start) |
| *start = s; |
| if (end) |
| *end = e; |
| return MAKELONG(s, e); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_REPLACESEL |
| * |
| * FIXME: handle ES_NUMBER and ES_OEMCONVERT here |
| * |
| */ |
| static void EDIT_EM_ReplaceSel(EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update, BOOL honor_limit) |
| { |
| UINT strl = strlenW(lpsz_replace); |
| UINT tl = get_text_length(es); |
| UINT utl; |
| UINT s; |
| UINT e; |
| UINT i; |
| UINT size; |
| LPWSTR p; |
| HRGN hrgn = 0; |
| LPWSTR buf = NULL; |
| UINT bufl = 0; |
| |
| TRACE("%s, can_undo %d, send_update %d\n", |
| debugstr_w(lpsz_replace), can_undo, send_update); |
| |
| s = es->selection_start; |
| e = es->selection_end; |
| |
| if ((s == e) && !strl) |
| return; |
| |
| ORDER_UINT(s, e); |
| |
| size = tl - (e - s) + strl; |
| if (!size) |
| es->text_width = 0; |
| |
| /* Issue the EN_MAXTEXT notification and continue with replacing text |
| * such that buffer limit is honored. */ |
| if ((honor_limit) && (size > es->buffer_limit)) { |
| EDIT_NOTIFY_PARENT(es, EN_MAXTEXT); |
| /* Buffer limit can be smaller than the actual length of text in combobox */ |
| if (es->buffer_limit < (tl - (e-s))) |
| strl = 0; |
| else |
| strl = es->buffer_limit - (tl - (e-s)); |
| } |
| |
| if (!EDIT_MakeFit(es, tl - (e - s) + strl)) |
| return; |
| |
| if (e != s) { |
| /* there is something to be deleted */ |
| TRACE("deleting stuff.\n"); |
| bufl = e - s; |
| buf = HeapAlloc(GetProcessHeap(), 0, (bufl + 1) * sizeof(WCHAR)); |
| if (!buf) return; |
| memcpy(buf, es->text + s, bufl * sizeof(WCHAR)); |
| buf[bufl] = 0; /* ensure 0 termination */ |
| /* now delete */ |
| strcpyW(es->text + s, es->text + e); |
| text_buffer_changed(es); |
| } |
| if (strl) { |
| /* there is an insertion */ |
| tl = get_text_length(es); |
| TRACE("inserting stuff (tl %d, strl %d, selstart %d (%s), text %s)\n", tl, strl, s, debugstr_w(es->text + s), debugstr_w(es->text)); |
| for (p = es->text + tl ; p >= es->text + s ; p--) |
| p[strl] = p[0]; |
| for (i = 0 , p = es->text + s ; i < strl ; i++) |
| p[i] = lpsz_replace[i]; |
| if(es->style & ES_UPPERCASE) |
| CharUpperBuffW(p, strl); |
| else if(es->style & ES_LOWERCASE) |
| CharLowerBuffW(p, strl); |
| text_buffer_changed(es); |
| } |
| if (es->style & ES_MULTILINE) |
| { |
| INT st = min(es->selection_start, es->selection_end); |
| INT vlc = get_vertical_line_count(es); |
| |
| hrgn = CreateRectRgn(0, 0, 0, 0); |
| EDIT_BuildLineDefs_ML(es, st, st + strl, |
| strl - abs(es->selection_end - es->selection_start), hrgn); |
| /* if text is too long undo all changes */ |
| if (honor_limit && !(es->style & ES_AUTOVSCROLL) && (es->line_count > vlc)) { |
| if (strl) |
| strcpyW(es->text + e, es->text + e + strl); |
| if (e != s) |
| for (i = 0 , p = es->text ; i < e - s ; i++) |
| p[i + s] = buf[i]; |
| text_buffer_changed(es); |
| EDIT_BuildLineDefs_ML(es, s, e, |
| abs(es->selection_end - es->selection_start) - strl, hrgn); |
| strl = 0; |
| e = s; |
| hrgn = CreateRectRgn(0, 0, 0, 0); |
| EDIT_NOTIFY_PARENT(es, EN_MAXTEXT); |
| } |
| } |
| else { |
| INT fw = es->format_rect.right - es->format_rect.left; |
| EDIT_CalcLineWidth_SL(es); |
| /* remove chars that don't fit */ |
| if (honor_limit && !(es->style & ES_AUTOHSCROLL) && (es->text_width > fw)) { |
| while ((es->text_width > fw) && s + strl >= s) { |
| strcpyW(es->text + s + strl - 1, es->text + s + strl); |
| strl--; |
| EDIT_CalcLineWidth_SL(es); |
| } |
| text_buffer_changed(es); |
| EDIT_NOTIFY_PARENT(es, EN_MAXTEXT); |
| } |
| } |
| |
| if (e != s) { |
| if (can_undo) { |
| utl = strlenW(es->undo_text); |
| if (!es->undo_insert_count && (*es->undo_text && (s == es->undo_position))) { |
| /* undo-buffer is extended to the right */ |
| EDIT_MakeUndoFit(es, utl + e - s); |
| memcpy(es->undo_text + utl, buf, (e - s)*sizeof(WCHAR)); |
| (es->undo_text + utl)[e - s] = 0; /* ensure 0 termination */ |
| } else if (!es->undo_insert_count && (*es->undo_text && (e == es->undo_position))) { |
| /* undo-buffer is extended to the left */ |
| EDIT_MakeUndoFit(es, utl + e - s); |
| for (p = es->undo_text + utl ; p >= es->undo_text ; p--) |
| p[e - s] = p[0]; |
| for (i = 0 , p = es->undo_text ; i < e - s ; i++) |
| p[i] = buf[i]; |
| es->undo_position = s; |
| } else { |
| /* new undo-buffer */ |
| EDIT_MakeUndoFit(es, e - s); |
| memcpy(es->undo_text, buf, (e - s)*sizeof(WCHAR)); |
| es->undo_text[e - s] = 0; /* ensure 0 termination */ |
| es->undo_position = s; |
| } |
| /* any deletion makes the old insertion-undo invalid */ |
| es->undo_insert_count = 0; |
| } else |
| EDIT_EM_EmptyUndoBuffer(es); |
| } |
| if (strl) { |
| if (can_undo) { |
| if ((s == es->undo_position) || |
| ((es->undo_insert_count) && |
| (s == es->undo_position + es->undo_insert_count))) |
| /* |
| * insertion is new and at delete position or |
| * an extension to either left or right |
| */ |
| es->undo_insert_count += strl; |
| else { |
| /* new insertion undo */ |
| es->undo_position = s; |
| es->undo_insert_count = strl; |
| /* new insertion makes old delete-buffer invalid */ |
| *es->undo_text = '\0'; |
| } |
| } else |
| EDIT_EM_EmptyUndoBuffer(es); |
| } |
| |
| if (bufl) |
| HeapFree(GetProcessHeap(), 0, buf); |
| |
| s += strl; |
| |
| /* If text has been deleted and we're right or center aligned then scroll rightward */ |
| if (es->style & (ES_RIGHT | ES_CENTER)) |
| { |
| INT delta = strl - abs(es->selection_end - es->selection_start); |
| |
| if (delta < 0 && es->x_offset) |
| { |
| if (abs(delta) > es->x_offset) |
| es->x_offset = 0; |
| else |
| es->x_offset += delta; |
| } |
| } |
| |
| EDIT_EM_SetSel(es, s, s, FALSE); |
| es->flags |= EF_MODIFIED; |
| if (send_update) es->flags |= EF_UPDATE; |
| if (hrgn) |
| { |
| EDIT_UpdateTextRegion(es, hrgn, TRUE); |
| DeleteObject(hrgn); |
| } |
| else |
| EDIT_UpdateText(es, NULL, TRUE); |
| |
| EDIT_EM_ScrollCaret(es); |
| |
| /* force scroll info update */ |
| EDIT_UpdateScrollInfo(es); |
| |
| |
| if(send_update || (es->flags & EF_UPDATE)) |
| { |
| es->flags &= ~EF_UPDATE; |
| EDIT_NOTIFY_PARENT(es, EN_CHANGE); |
| } |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_SETHANDLE |
| * |
| * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ??? |
| * |
| */ |
| static void EDIT_EM_SetHandle(EDITSTATE *es, HLOCAL hloc) |
| { |
| if (!(es->style & ES_MULTILINE)) |
| return; |
| |
| if (!hloc) { |
| WARN("called with NULL handle\n"); |
| return; |
| } |
| |
| EDIT_UnlockBuffer(es, TRUE); |
| |
| if(es->hloc16) |
| { |
| STACK16FRAME* stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved)); |
| HANDLE16 oldDS = stack16->ds; |
| |
| stack16->ds = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE ); |
| LocalFree16(es->hloc16); |
| stack16->ds = oldDS; |
| es->hloc16 = 0; |
| } |
| |
| if(es->is_unicode) |
| { |
| if(es->hloc32A) |
| { |
| LocalFree(es->hloc32A); |
| es->hloc32A = NULL; |
| } |
| es->hloc32W = hloc; |
| } |
| else |
| { |
| INT countW, countA; |
| HLOCAL hloc32W_new; |
| WCHAR *textW; |
| CHAR *textA; |
| |
| countA = LocalSize(hloc); |
| textA = LocalLock(hloc); |
| countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0); |
| if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR)))) |
| { |
| ERR("Could not allocate new unicode buffer\n"); |
| return; |
| } |
| textW = LocalLock(hloc32W_new); |
| MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW); |
| LocalUnlock(hloc32W_new); |
| LocalUnlock(hloc); |
| |
| if(es->hloc32W) |
| LocalFree(es->hloc32W); |
| |
| es->hloc32W = hloc32W_new; |
| es->hloc32A = hloc; |
| } |
| |
| es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1; |
| |
| es->flags |= EF_APP_HAS_HANDLE; |
| EDIT_LockBuffer(es); |
| |
| es->x_offset = es->y_offset = 0; |
| es->selection_start = es->selection_end = 0; |
| EDIT_EM_EmptyUndoBuffer(es); |
| es->flags &= ~EF_MODIFIED; |
| es->flags &= ~EF_UPDATE; |
| EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL); |
| EDIT_UpdateText(es, NULL, TRUE); |
| EDIT_EM_ScrollCaret(es); |
| /* force scroll info update */ |
| EDIT_UpdateScrollInfo(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_SETHANDLE16 |
| * |
| * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ??? |
| * |
| */ |
| static void EDIT_EM_SetHandle16(EDITSTATE *es, HLOCAL16 hloc) |
| { |
| STACK16FRAME* stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved)); |
| HINSTANCE16 hInstance = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE ); |
| HANDLE16 oldDS = stack16->ds; |
| INT countW, countA; |
| HLOCAL hloc32W_new; |
| WCHAR *textW; |
| CHAR *textA; |
| |
| if (!(es->style & ES_MULTILINE)) |
| return; |
| |
| if (!hloc) { |
| WARN("called with NULL handle\n"); |
| return; |
| } |
| |
| EDIT_UnlockBuffer(es, TRUE); |
| |
| if(es->hloc32A) |
| { |
| LocalFree(es->hloc32A); |
| es->hloc32A = NULL; |
| } |
| |
| stack16->ds = hInstance; |
| countA = LocalSize16(hloc); |
| textA = MapSL(LocalLock16(hloc)); |
| countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0); |
| if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR)))) |
| { |
| ERR("Could not allocate new unicode buffer\n"); |
| return; |
| } |
| textW = LocalLock(hloc32W_new); |
| MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW); |
| LocalUnlock(hloc32W_new); |
| LocalUnlock16(hloc); |
| stack16->ds = oldDS; |
| |
| if(es->hloc32W) |
| LocalFree(es->hloc32W); |
| |
| es->hloc32W = hloc32W_new; |
| es->hloc16 = hloc; |
| |
| es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1; |
| |
| es->flags |= EF_APP_HAS_HANDLE; |
| EDIT_LockBuffer(es); |
| |
| es->x_offset = es->y_offset = 0; |
| es->selection_start = es->selection_end = 0; |
| EDIT_EM_EmptyUndoBuffer(es); |
| es->flags &= ~EF_MODIFIED; |
| es->flags &= ~EF_UPDATE; |
| EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL); |
| EDIT_UpdateText(es, NULL, TRUE); |
| EDIT_EM_ScrollCaret(es); |
| /* force scroll info update */ |
| EDIT_UpdateScrollInfo(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_SETLIMITTEXT |
| * |
| * NOTE: this version currently implements WinNT limits |
| * |
| */ |
| static void EDIT_EM_SetLimitText(EDITSTATE *es, UINT limit) |
| { |
| if (!limit) limit = ~0u; |
| if (!(es->style & ES_MULTILINE)) limit = min(limit, 0x7ffffffe); |
| es->buffer_limit = limit; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_SETMARGINS |
| * |
| * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an |
| * action wParam despite what the docs say. EC_USEFONTINFO calculates the |
| * margin according to the textmetrics of the current font. |
| * |
| * FIXME - With TrueType or vector fonts EC_USEFONTINFO currently sets one third |
| * of the char's width as the margin, but this is not how Windows handles this. |
| * For all other fonts Windows sets the margins to zero. |
| * |
| * FIXME - When EC_USEFONTINFO is used the margins only change if the |
| * edit control is equal to or larger than a certain size. |
| * Interestingly if one subtracts both the left and right margins from |
| * this size one always seems to get an even number. The extents of |
| * the (four character) string "'**'" match this quite closely, so |
| * we'll use this until we come up with a better idea. |
| */ |
| static int calc_min_set_margin_size(HDC dc, INT left, INT right) |
| { |
| WCHAR magic_string[] = {'\'','*','*','\'', 0}; |
| SIZE sz; |
| |
| GetTextExtentPointW(dc, magic_string, sizeof(magic_string)/sizeof(WCHAR) - 1, &sz); |
| return sz.cx + left + right; |
| } |
| |
| static void EDIT_EM_SetMargins(EDITSTATE *es, INT action, |
| WORD left, WORD right, BOOL repaint) |
| { |
| TEXTMETRICW tm; |
| INT default_left_margin = 0; /* in pixels */ |
| INT default_right_margin = 0; /* in pixels */ |
| |
| /* Set the default margins depending on the font */ |
| if (es->font && (left == EC_USEFONTINFO || right == EC_USEFONTINFO)) { |
| HDC dc = GetDC(es->hwndSelf); |
| HFONT old_font = SelectObject(dc, es->font); |
| GetTextMetricsW(dc, &tm); |
| /* The default margins are only non zero for TrueType or Vector fonts */ |
| if (tm.tmPitchAndFamily & ( TMPF_VECTOR | TMPF_TRUETYPE )) { |
| int min_size; |
| RECT rc; |
| /* This must be calculated more exactly! But how? */ |
| default_left_margin = tm.tmAveCharWidth / 2; |
| default_right_margin = tm.tmAveCharWidth / 2; |
| min_size = calc_min_set_margin_size(dc, default_left_margin, default_right_margin); |
| GetClientRect(es->hwndSelf, &rc); |
| if(rc.right - rc.left < min_size) { |
| default_left_margin = es->left_margin; |
| default_right_margin = es->right_margin; |
| } |
| } |
| SelectObject(dc, old_font); |
| ReleaseDC(es->hwndSelf, dc); |
| } |
| |
| if (action & EC_LEFTMARGIN) { |
| es->format_rect.left -= es->left_margin; |
| if (left != EC_USEFONTINFO) |
| es->left_margin = left; |
| else |
| es->left_margin = default_left_margin; |
| es->format_rect.left += es->left_margin; |
| } |
| |
| if (action & EC_RIGHTMARGIN) { |
| es->format_rect.right += es->right_margin; |
| if (right != EC_USEFONTINFO) |
| es->right_margin = right; |
| else |
| es->right_margin = default_right_margin; |
| es->format_rect.right -= es->right_margin; |
| } |
| |
| if (action & (EC_LEFTMARGIN | EC_RIGHTMARGIN)) { |
| EDIT_AdjustFormatRect(es); |
| if (repaint) EDIT_UpdateText(es, NULL, TRUE); |
| } |
| |
| TRACE("left=%d, right=%d\n", es->left_margin, es->right_margin); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_SETPASSWORDCHAR |
| * |
| */ |
| static void EDIT_EM_SetPasswordChar(EDITSTATE *es, WCHAR c) |
| { |
| LONG style; |
| |
| if (es->style & ES_MULTILINE) |
| return; |
| |
| if (es->password_char == c) |
| return; |
| |
| style = GetWindowLongW( es->hwndSelf, GWL_STYLE ); |
| es->password_char = c; |
| if (c) { |
| SetWindowLongW( es->hwndSelf, GWL_STYLE, style | ES_PASSWORD ); |
| es->style |= ES_PASSWORD; |
| } else { |
| SetWindowLongW( es->hwndSelf, GWL_STYLE, style & ~ES_PASSWORD ); |
| es->style &= ~ES_PASSWORD; |
| } |
| EDIT_UpdateText(es, NULL, TRUE); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_SETTABSTOPS |
| * |
| */ |
| static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, const INT *tabs) |
| { |
| if (!(es->style & ES_MULTILINE)) |
| return FALSE; |
| HeapFree(GetProcessHeap(), 0, es->tabs); |
| es->tabs_count = count; |
| if (!count) |
| es->tabs = NULL; |
| else { |
| es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT)); |
| memcpy(es->tabs, tabs, count * sizeof(INT)); |
| } |
| return TRUE; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_SETTABSTOPS16 |
| * |
| */ |
| static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, const INT16 *tabs) |
| { |
| if (!(es->style & ES_MULTILINE)) |
| return FALSE; |
| HeapFree(GetProcessHeap(), 0, es->tabs); |
| es->tabs_count = count; |
| if (!count) |
| es->tabs = NULL; |
| else { |
| INT i; |
| es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT)); |
| for (i = 0 ; i < count ; i++) |
| es->tabs[i] = *tabs++; |
| } |
| return TRUE; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_SETWORDBREAKPROC |
| * |
| */ |
| static void EDIT_EM_SetWordBreakProc(EDITSTATE *es, void *wbp) |
| { |
| if (es->word_break_proc == wbp) |
| return; |
| |
| es->word_break_proc = wbp; |
| es->word_break_proc16 = NULL; |
| |
| if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) { |
| EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL); |
| EDIT_UpdateText(es, NULL, TRUE); |
| } |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_SETWORDBREAKPROC16 |
| * |
| */ |
| static void EDIT_EM_SetWordBreakProc16(EDITSTATE *es, EDITWORDBREAKPROC16 wbp) |
| { |
| if (es->word_break_proc16 == wbp) |
| return; |
| |
| es->word_break_proc = NULL; |
| es->word_break_proc16 = wbp; |
| if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) { |
| EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL); |
| EDIT_UpdateText(es, NULL, TRUE); |
| } |
| } |
| |
| |
| /********************************************************************* |
| * |
| * EM_UNDO / WM_UNDO |
| * |
| */ |
| static BOOL EDIT_EM_Undo(EDITSTATE *es) |
| { |
| INT ulength; |
| LPWSTR utext; |
| |
| /* As per MSDN spec, for a single-line edit control, |
| the return value is always TRUE */ |
| if( es->style & ES_READONLY ) |
| return !(es->style & ES_MULTILINE); |
| |
| ulength = strlenW(es->undo_text); |
| |
| utext = HeapAlloc(GetProcessHeap(), 0, (ulength + 1) * sizeof(WCHAR)); |
| |
| strcpyW(utext, es->undo_text); |
| |
| TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n", |
| es->undo_insert_count, debugstr_w(utext)); |
| |
| EDIT_EM_SetSel(es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE); |
| EDIT_EM_EmptyUndoBuffer(es); |
| EDIT_EM_ReplaceSel(es, TRUE, utext, TRUE, TRUE); |
| EDIT_EM_SetSel(es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE); |
| /* send the notification after the selection start and end are set */ |
| EDIT_NOTIFY_PARENT(es, EN_CHANGE); |
| EDIT_EM_ScrollCaret(es); |
| HeapFree(GetProcessHeap(), 0, utext); |
| |
| TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n", |
| es->undo_insert_count, debugstr_w(es->undo_text)); |
| return TRUE; |
| } |
| |
| |
| /* Helper function for WM_CHAR |
| * |
| * According to an MSDN blog article titled "Just because you're a control |
| * doesn't mean that you're necessarily inside a dialog box," multiline edit |
| * controls without ES_WANTRETURN would attempt to detect whether it is inside |
| * a dialog box or not. |
| */ |
| static BOOL EDIT_IsInsideDialog(EDITSTATE *es) |
| { |
| WND *pParent; |
| BOOL r = FALSE; |
| |
| if (es->hwndParent) |
| { |
| pParent = WIN_GetPtr(es->hwndParent); |
| if (pParent && pParent != WND_OTHER_PROCESS && pParent != WND_DESKTOP) |
| { |
| if (pParent->flags & WIN_ISDIALOG) |
| r = TRUE; |
| WIN_ReleasePtr(pParent); |
| } |
| } |
| return r; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_PASTE |
| * |
| */ |
| static void EDIT_WM_Paste(EDITSTATE *es) |
| { |
| HGLOBAL hsrc; |
| LPWSTR src; |
| |
| /* Protect read-only edit control from modification */ |
| if(es->style & ES_READONLY) |
| return; |
| |
| OpenClipboard(es->hwndSelf); |
| if ((hsrc = GetClipboardData(CF_UNICODETEXT))) { |
| src = GlobalLock(hsrc); |
| EDIT_EM_ReplaceSel(es, TRUE, src, TRUE, TRUE); |
| GlobalUnlock(hsrc); |
| } |
| else if (es->style & ES_PASSWORD) { |
| /* clear selected text in password edit box even with empty clipboard */ |
| const WCHAR empty_strW[] = { 0 }; |
| EDIT_EM_ReplaceSel(es, TRUE, empty_strW, TRUE, TRUE); |
| } |
| CloseClipboard(); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_COPY |
| * |
| */ |
| static void EDIT_WM_Copy(EDITSTATE *es) |
| { |
| INT s = min(es->selection_start, es->selection_end); |
| INT e = max(es->selection_start, es->selection_end); |
| HGLOBAL hdst; |
| LPWSTR dst; |
| DWORD len; |
| |
| if (e == s) return; |
| |
| len = e - s; |
| hdst = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, (len + 1) * sizeof(WCHAR)); |
| dst = GlobalLock(hdst); |
| memcpy(dst, es->text + s, len * sizeof(WCHAR)); |
| dst[len] = 0; /* ensure 0 termination */ |
| TRACE("%s\n", debugstr_w(dst)); |
| GlobalUnlock(hdst); |
| OpenClipboard(es->hwndSelf); |
| EmptyClipboard(); |
| SetClipboardData(CF_UNICODETEXT, hdst); |
| CloseClipboard(); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_CLEAR |
| * |
| */ |
| static inline void EDIT_WM_Clear(EDITSTATE *es) |
| { |
| static const WCHAR empty_stringW[] = {0}; |
| |
| /* Protect read-only edit control from modification */ |
| if(es->style & ES_READONLY) |
| return; |
| |
| EDIT_EM_ReplaceSel(es, TRUE, empty_stringW, TRUE, TRUE); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_CUT |
| * |
| */ |
| static inline void EDIT_WM_Cut(EDITSTATE *es) |
| { |
| EDIT_WM_Copy(es); |
| EDIT_WM_Clear(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_CHAR |
| * |
| */ |
| static LRESULT EDIT_WM_Char(EDITSTATE *es, WCHAR c) |
| { |
| BOOL control; |
| |
| control = GetKeyState(VK_CONTROL) & 0x8000; |
| |
| switch (c) { |
| case '\r': |
| /* If it's not a multiline edit box, it would be ignored below. |
| * For multiline edit without ES_WANTRETURN, we have to make a |
| * special case. |
| */ |
| if ((es->style & ES_MULTILINE) && !(es->style & ES_WANTRETURN)) |
| if (EDIT_IsInsideDialog(es)) |
| break; |
| case '\n': |
| if (es->style & ES_MULTILINE) { |
| if (es->style & ES_READONLY) { |
| EDIT_MoveHome(es, FALSE, FALSE); |
| EDIT_MoveDown_ML(es, FALSE); |
| } else { |
| static const WCHAR cr_lfW[] = {'\r','\n',0}; |
| EDIT_EM_ReplaceSel(es, TRUE, cr_lfW, TRUE, TRUE); |
| } |
| } |
| break; |
| case '\t': |
| if ((es->style & ES_MULTILINE) && !(es->style & ES_READONLY)) |
| { |
| static const WCHAR tabW[] = {'\t',0}; |
| if (EDIT_IsInsideDialog(es)) |
| break; |
| EDIT_EM_ReplaceSel(es, TRUE, tabW, TRUE, TRUE); |
| } |
| break; |
| case VK_BACK: |
| if (!(es->style & ES_READONLY) && !control) { |
| if (es->selection_start != es->selection_end) |
| EDIT_WM_Clear(es); |
| else { |
| /* delete character left of caret */ |
| EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE); |
| EDIT_MoveBackward(es, TRUE); |
| EDIT_WM_Clear(es); |
| } |
| } |
| break; |
| case 0x03: /* ^C */ |
| if (!(es->style & ES_PASSWORD)) |
| SendMessageW(es->hwndSelf, WM_COPY, 0, 0); |
| break; |
| case 0x16: /* ^V */ |
| if (!(es->style & ES_READONLY)) |
| SendMessageW(es->hwndSelf, WM_PASTE, 0, 0); |
| break; |
| case 0x18: /* ^X */ |
| if (!((es->style & ES_READONLY) || (es->style & ES_PASSWORD))) |
| SendMessageW(es->hwndSelf, WM_CUT, 0, 0); |
| break; |
| case 0x1A: /* ^Z */ |
| if (!(es->style & ES_READONLY)) |
| SendMessageW(es->hwndSelf, WM_UNDO, 0, 0); |
| break; |
| |
| default: |
| /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/ |
| if( (es->style & ES_NUMBER) && !( c >= '0' && c <= '9') ) |
| break; |
| |
| if (!(es->style & ES_READONLY) && (c >= ' ') && (c != 127)) { |
| WCHAR str[2]; |
| str[0] = c; |
| str[1] = '\0'; |
| EDIT_EM_ReplaceSel(es, TRUE, str, TRUE, TRUE); |
| } |
| break; |
| } |
| return 1; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_COMMAND |
| * |
| */ |
| static void EDIT_WM_Command(EDITSTATE *es, INT code, INT id, HWND control) |
| { |
| if (code || control) |
| return; |
| |
| switch (id) { |
| case EM_UNDO: |
| SendMessageW(es->hwndSelf, WM_UNDO, 0, 0); |
| break; |
| case WM_CUT: |
| SendMessageW(es->hwndSelf, WM_CUT, 0, 0); |
| break; |
| case WM_COPY: |
| SendMessageW(es->hwndSelf, WM_COPY, 0, 0); |
| break; |
| case WM_PASTE: |
| SendMessageW(es->hwndSelf, WM_PASTE, 0, 0); |
| break; |
| case WM_CLEAR: |
| SendMessageW(es->hwndSelf, WM_CLEAR, 0, 0); |
| break; |
| case EM_SETSEL: |
| EDIT_EM_SetSel(es, 0, (UINT)-1, FALSE); |
| EDIT_EM_ScrollCaret(es); |
| break; |
| default: |
| ERR("unknown menu item, please report\n"); |
| break; |
| } |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_CONTEXTMENU |
| * |
| * Note: the resource files resource/sysres_??.rc cannot define a |
| * single popup menu. Hence we use a (dummy) menubar |
| * containing the single popup menu as its first item. |
| * |
| * FIXME: the message identifiers have been chosen arbitrarily, |
| * hence we use MF_BYPOSITION. |
| * We might as well use the "real" values (anybody knows ?) |
| * The menu definition is in resources/sysres_??.rc. |
| * Once these are OK, we better use MF_BYCOMMAND here |
| * (as we do in EDIT_WM_Command()). |
| * |
| */ |
| static void EDIT_WM_ContextMenu(EDITSTATE *es, INT x, INT y) |
| { |
| HMENU menu = LoadMenuA(user32_module, "EDITMENU"); |
| HMENU popup = GetSubMenu(menu, 0); |
| UINT start = es->selection_start; |
| UINT end = es->selection_end; |
| |
| ORDER_UINT(start, end); |
| |
| /* undo */ |
| EnableMenuItem(popup, 0, MF_BYPOSITION | (EDIT_EM_CanUndo(es) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED)); |
| /* cut */ |
| EnableMenuItem(popup, 2, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED)); |
| /* copy */ |
| EnableMenuItem(popup, 3, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) ? MF_ENABLED : MF_GRAYED)); |
| /* paste */ |
| EnableMenuItem(popup, 4, MF_BYPOSITION | (IsClipboardFormatAvailable(CF_UNICODETEXT) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED)); |
| /* delete */ |
| EnableMenuItem(popup, 5, MF_BYPOSITION | ((end - start) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED)); |
| /* select all */ |
| EnableMenuItem(popup, 7, MF_BYPOSITION | (start || (end != get_text_length(es)) ? MF_ENABLED : MF_GRAYED)); |
| |
| if (x == -1 && y == -1) /* passed via VK_APPS press/release */ |
| { |
| RECT rc; |
| /* Windows places the menu at the edit's center in this case */ |
| GetClientRect(es->hwndSelf, &rc); |
| MapWindowPoints(es->hwndSelf, 0, (POINT *)&rc, 2); |
| x = rc.left + (rc.right - rc.left) / 2; |
| y = rc.top + (rc.bottom - rc.top) / 2; |
| } |
| |
| TrackPopupMenu(popup, TPM_LEFTALIGN | TPM_RIGHTBUTTON, x, y, 0, es->hwndSelf, NULL); |
| DestroyMenu(menu); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_GETTEXT |
| * |
| */ |
| static INT EDIT_WM_GetText(const EDITSTATE *es, INT count, LPWSTR dst, BOOL unicode) |
| { |
| if(!count) return 0; |
| |
| if(unicode) |
| { |
| lstrcpynW(dst, es->text, count); |
| return strlenW(dst); |
| } |
| else |
| { |
| LPSTR textA = (LPSTR)dst; |
| if (!WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, count, NULL, NULL)) |
| textA[count - 1] = 0; /* ensure 0 termination */ |
| return strlen(textA); |
| } |
| } |
| |
| /********************************************************************* |
| * |
| * EDIT_CheckCombo |
| * |
| */ |
| static BOOL EDIT_CheckCombo(EDITSTATE *es, UINT msg, INT key) |
| { |
| HWND hLBox = es->hwndListBox; |
| HWND hCombo; |
| BOOL bDropped; |
| int nEUI; |
| |
| if (!hLBox) |
| return FALSE; |
| |
| hCombo = GetParent(es->hwndSelf); |
| bDropped = TRUE; |
| nEUI = 0; |
| |
| TRACE_(combo)("[%p]: handling msg %x (%x)\n", es->hwndSelf, msg, key); |
| |
| if (key == VK_UP || key == VK_DOWN) |
| { |
| if (SendMessageW(hCombo, CB_GETEXTENDEDUI, 0, 0)) |
| nEUI = 1; |
| |
| if (msg == WM_KEYDOWN || nEUI) |
| bDropped = (BOOL)SendMessageW(hCombo, CB_GETDROPPEDSTATE, 0, 0); |
| } |
| |
| switch (msg) |
| { |
| case WM_KEYDOWN: |
| if (!bDropped && nEUI && (key == VK_UP || key == VK_DOWN)) |
| { |
| /* make sure ComboLBox pops up */ |
| SendMessageW(hCombo, CB_SETEXTENDEDUI, FALSE, 0); |
| key = VK_F4; |
| nEUI = 2; |
| } |
| |
| SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)key, 0); |
| break; |
| |
| case WM_SYSKEYDOWN: /* Handle Alt+up/down arrows */ |
| if (nEUI) |
| SendMessageW(hCombo, CB_SHOWDROPDOWN, bDropped ? FALSE : TRUE, 0); |
| else |
| SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)VK_F4, 0); |
| break; |
| } |
| |
| if(nEUI == 2) |
| SendMessageW(hCombo, CB_SETEXTENDEDUI, TRUE, 0); |
| |
| return TRUE; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_KEYDOWN |
| * |
| * Handling of special keys that don't produce a WM_CHAR |
| * (i.e. non-printable keys) & Backspace & Delete |
| * |
| */ |
| static LRESULT EDIT_WM_KeyDown(EDITSTATE *es, INT key) |
| { |
| BOOL shift; |
| BOOL control; |
| |
| if (GetKeyState(VK_MENU) & 0x8000) |
| return 0; |
| |
| shift = GetKeyState(VK_SHIFT) & 0x8000; |
| control = GetKeyState(VK_CONTROL) & 0x8000; |
| |
| switch (key) { |
| case VK_F4: |
| case VK_UP: |
| if (EDIT_CheckCombo(es, WM_KEYDOWN, key) || key == VK_F4) |
| break; |
| |
| /* fall through */ |
| case VK_LEFT: |
| if ((es->style & ES_MULTILINE) && (key == VK_UP)) |
| EDIT_MoveUp_ML(es, shift); |
| else |
| if (control) |
| EDIT_MoveWordBackward(es, shift); |
| else |
| EDIT_MoveBackward(es, shift); |
| break; |
| case VK_DOWN: |
| if (EDIT_CheckCombo(es, WM_KEYDOWN, key)) |
| break; |
| /* fall through */ |
| case VK_RIGHT: |
| if ((es->style & ES_MULTILINE) && (key == VK_DOWN)) |
| EDIT_MoveDown_ML(es, shift); |
| else if (control) |
| EDIT_MoveWordForward(es, shift); |
| else |
| EDIT_MoveForward(es, shift); |
| break; |
| case VK_HOME: |
| EDIT_MoveHome(es, shift, control); |
| break; |
| case VK_END: |
| EDIT_MoveEnd(es, shift, control); |
| break; |
| case VK_PRIOR: |
| if (es->style & ES_MULTILINE) |
| EDIT_MovePageUp_ML(es, shift); |
| else |
| EDIT_CheckCombo(es, WM_KEYDOWN, key); |
| break; |
| case VK_NEXT: |
| if (es->style & ES_MULTILINE) |
| EDIT_MovePageDown_ML(es, shift); |
| else |
| EDIT_CheckCombo(es, WM_KEYDOWN, key); |
| break; |
| case VK_DELETE: |
| if (!(es->style & ES_READONLY) && !(shift && control)) { |
| if (es->selection_start != es->selection_end) { |
| if (shift) |
| EDIT_WM_Cut(es); |
| else |
| EDIT_WM_Clear(es); |
| } else { |
| if (shift) { |
| /* delete character left of caret */ |
| EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE); |
| EDIT_MoveBackward(es, TRUE); |
| EDIT_WM_Clear(es); |
| } else if (control) { |
| /* delete to end of line */ |
| EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE); |
| EDIT_MoveEnd(es, TRUE, FALSE); |
| EDIT_WM_Clear(es); |
| } else { |
| /* delete character right of caret */ |
| EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE); |
| EDIT_MoveForward(es, TRUE); |
| EDIT_WM_Clear(es); |
| } |
| } |
| } |
| break; |
| case VK_INSERT: |
| if (shift) { |
| if (!(es->style & ES_READONLY)) |
| EDIT_WM_Paste(es); |
| } else if (control) |
| EDIT_WM_Copy(es); |
| break; |
| case VK_RETURN: |
| /* If the edit doesn't want the return send a message to the default object */ |
| if(!(es->style & ES_MULTILINE) || !(es->style & ES_WANTRETURN)) |
| { |
| HWND hwndParent; |
| DWORD dw; |
| |
| if (!EDIT_IsInsideDialog(es)) return 1; |
| if (control) break; |
| hwndParent = GetParent(es->hwndSelf); |
| dw = SendMessageW( hwndParent, DM_GETDEFID, 0, 0 ); |
| if (HIWORD(dw) == DC_HASDEFID) |
| { |
| SendMessageW( hwndParent, WM_COMMAND, |
| MAKEWPARAM( LOWORD(dw), BN_CLICKED ), |
| (LPARAM)GetDlgItem( hwndParent, LOWORD(dw) ) ); |
| } |
| else |
| SendMessageW( hwndParent, WM_COMMAND, IDOK, (LPARAM)GetDlgItem( hwndParent, IDOK ) ); |
| } |
| break; |
| case VK_ESCAPE: |
| if (!(es->style & ES_MULTILINE)) |
| SendMessageW(GetParent(es->hwndSelf), WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( GetParent(es->hwndSelf), IDCANCEL ) ); |
| break; |
| case VK_TAB: |
| SendMessageW(es->hwndParent, WM_NEXTDLGCTL, shift, 0); |
| break; |
| } |
| return 0; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_KILLFOCUS |
| * |
| */ |
| static LRESULT EDIT_WM_KillFocus(EDITSTATE *es) |
| { |
| es->flags &= ~EF_FOCUSED; |
| DestroyCaret(); |
| if(!(es->style & ES_NOHIDESEL)) |
| EDIT_InvalidateText(es, es->selection_start, es->selection_end); |
| EDIT_NOTIFY_PARENT(es, EN_KILLFOCUS); |
| return 0; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_LBUTTONDBLCLK |
| * |
| * The caret position has been set on the WM_LBUTTONDOWN message |
| * |
| */ |
| static LRESULT EDIT_WM_LButtonDblClk(EDITSTATE *es) |
| { |
| INT s; |
| INT e = es->selection_end; |
| INT l; |
| INT li; |
| INT ll; |
| |
| es->bCaptureState = TRUE; |
| SetCapture(es->hwndSelf); |
| |
| l = EDIT_EM_LineFromChar(es, e); |
| li = EDIT_EM_LineIndex(es, l); |
| ll = EDIT_EM_LineLength(es, e); |
| s = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT); |
| e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_RIGHT); |
| EDIT_EM_SetSel(es, s, e, FALSE); |
| EDIT_EM_ScrollCaret(es); |
| es->region_posx = es->region_posy = 0; |
| SetTimer(es->hwndSelf, 0, 100, NULL); |
| return 0; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_LBUTTONDOWN |
| * |
| */ |
| static LRESULT EDIT_WM_LButtonDown(EDITSTATE *es, DWORD keys, INT x, INT y) |
| { |
| INT e; |
| BOOL after_wrap; |
| |
| es->bCaptureState = TRUE; |
| SetCapture(es->hwndSelf); |
| EDIT_ConfinePoint(es, &x, &y); |
| e = EDIT_CharFromPos(es, x, y, &after_wrap); |
| EDIT_EM_SetSel(es, (keys & MK_SHIFT) ? es->selection_start : e, e, after_wrap); |
| EDIT_EM_ScrollCaret(es); |
| es->region_posx = es->region_posy = 0; |
| SetTimer(es->hwndSelf, 0, 100, NULL); |
| |
| if (!(es->flags & EF_FOCUSED)) |
| SetFocus(es->hwndSelf); |
| |
| return 0; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_LBUTTONUP |
| * |
| */ |
| static LRESULT EDIT_WM_LButtonUp(EDITSTATE *es) |
| { |
| if (es->bCaptureState) { |
| KillTimer(es->hwndSelf, 0); |
| if (GetCapture() == es->hwndSelf) ReleaseCapture(); |
| } |
| es->bCaptureState = FALSE; |
| return 0; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_MBUTTONDOWN |
| * |
| */ |
| static LRESULT EDIT_WM_MButtonDown(EDITSTATE *es) |
| { |
| SendMessageW(es->hwndSelf, WM_PASTE, 0, 0); |
| return 0; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_MOUSEMOVE |
| * |
| */ |
| static LRESULT EDIT_WM_MouseMove(EDITSTATE *es, INT x, INT y) |
| { |
| INT e; |
| BOOL after_wrap; |
| INT prex, prey; |
| |
| /* If the mouse has been captured by process other than the edit control itself, |
| * the windows edit controls will not select the strings with mouse move. |
| */ |
| if (!es->bCaptureState || GetCapture() != es->hwndSelf) |
| return 0; |
| |
| /* |
| * FIXME: gotta do some scrolling if outside client |
| * area. Maybe reset the timer ? |
| */ |
| prex = x; prey = y; |
| EDIT_ConfinePoint(es, &x, &y); |
| es->region_posx = (prex < x) ? -1 : ((prex > x) ? 1 : 0); |
| es->region_posy = (prey < y) ? -1 : ((prey > y) ? 1 : 0); |
| e = EDIT_CharFromPos(es, x, y, &after_wrap); |
| EDIT_EM_SetSel(es, es->selection_start, e, after_wrap); |
| EDIT_SetCaretPos(es,es->selection_end,es->flags & EF_AFTER_WRAP); |
| return 0; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_PAINT |
| * |
| */ |
| static void EDIT_WM_Paint(EDITSTATE *es, HDC hdc) |
| { |
| PAINTSTRUCT ps; |
| INT i; |
| HDC dc; |
| HFONT old_font = 0; |
| RECT rc; |
| RECT rcClient; |
| RECT rcLine; |
| RECT rcRgn; |
| HBRUSH brush; |
| HBRUSH old_brush; |
| INT bw, bh; |
| BOOL rev = es->bEnableState && |
| ((es->flags & EF_FOCUSED) || |
| (es->style & ES_NOHIDESEL)); |
| dc = hdc ? hdc : BeginPaint(es->hwndSelf, &ps); |
| |
| GetClientRect(es->hwndSelf, &rcClient); |
| |
| /* get the background brush */ |
| brush = EDIT_NotifyCtlColor(es, dc); |
| |
| /* paint the border and the background */ |
| IntersectClipRect(dc, rcClient.left, rcClient.top, rcClient.right, rcClient.bottom); |
| |
| if(es->style & WS_BORDER) { |
| bw = GetSystemMetrics(SM_CXBORDER); |
| bh = GetSystemMetrics(SM_CYBORDER); |
| rc = rcClient; |
| if(es->style & ES_MULTILINE) { |
| if(es->style & WS_HSCROLL) rc.bottom+=bh; |
| if(es->style & WS_VSCROLL) rc.right+=bw; |
| } |
| |
| /* Draw the frame. Same code as in nonclient.c */ |
| old_brush = SelectObject(dc, GetSysColorBrush(COLOR_WINDOWFRAME)); |
| PatBlt(dc, rc.left, rc.top, rc.right - rc.left, bh, PATCOPY); |
| PatBlt(dc, rc.left, rc.top, bw, rc.bottom - rc.top, PATCOPY); |
| PatBlt(dc, rc.left, rc.bottom - 1, rc.right - rc.left, -bw, PATCOPY); |
| PatBlt(dc, rc.right - 1, rc.top, -bw, rc.bottom - rc.top, PATCOPY); |
| SelectObject(dc, old_brush); |
| |
| /* Keep the border clean */ |
| IntersectClipRect(dc, rc.left+bw, rc.top+bh, |
| max(rc.right-bw, rc.left+bw), max(rc.bottom-bh, rc.top+bh)); |
| } |
| |
| GetClipBox(dc, &rc); |
| FillRect(dc, &rc, brush); |
| |
| IntersectClipRect(dc, es->format_rect.left, |
| es->format_rect.top, |
| es->format_rect.right, |
| es->format_rect.bottom); |
| if (es->style & ES_MULTILINE) { |
| rc = rcClient; |
| IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom); |
| } |
| if (es->font) |
| old_font = SelectObject(dc, es->font); |
| |
| if (!es->bEnableState) |
| SetTextColor(dc, GetSysColor(COLOR_GRAYTEXT)); |
| GetClipBox(dc, &rcRgn); |
| if (es->style & ES_MULTILINE) { |
| INT vlc = get_vertical_line_count(es); |
| for (i = es->y_offset ; i <= min(es->y_offset + vlc, es->y_offset + es->line_count - 1) ; i++) { |
| EDIT_GetLineRect(es, i, 0, -1, &rcLine); |
| if (IntersectRect(&rc, &rcRgn, &rcLine)) |
| EDIT_PaintLine(es, dc, i, rev); |
| } |
| } else { |
| EDIT_GetLineRect(es, 0, 0, -1, &rcLine); |
| if (IntersectRect(&rc, &rcRgn, &rcLine)) |
| EDIT_PaintLine(es, dc, 0, rev); |
| } |
| if (es->font) |
| SelectObject(dc, old_font); |
| |
| if (!hdc) |
| EndPaint(es->hwndSelf, &ps); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_SETFOCUS |
| * |
| */ |
| static void EDIT_WM_SetFocus(EDITSTATE *es) |
| { |
| es->flags |= EF_FOCUSED; |
| |
| if (!(es->style & ES_NOHIDESEL)) |
| EDIT_InvalidateText(es, es->selection_start, es->selection_end); |
| |
| /* single line edit updates itself */ |
| if (!(es->style & ES_MULTILINE)) |
| { |
| HDC hdc = GetDC(es->hwndSelf); |
| EDIT_WM_Paint(es, hdc); |
| ReleaseDC(es->hwndSelf, hdc); |
| } |
| |
| CreateCaret(es->hwndSelf, 0, 1, es->line_height); |
| EDIT_SetCaretPos(es, es->selection_end, |
| es->flags & EF_AFTER_WRAP); |
| ShowCaret(es->hwndSelf); |
| EDIT_NOTIFY_PARENT(es, EN_SETFOCUS); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_SETFONT |
| * |
| * With Win95 look the margins are set to default font value unless |
| * the system font (font == 0) is being set, in which case they are left |
| * unchanged. |
| * |
| */ |
| static void EDIT_WM_SetFont(EDITSTATE *es, HFONT font, BOOL redraw) |
| { |
| TEXTMETRICW tm; |
| HDC dc; |
| HFONT old_font = 0; |
| RECT clientRect; |
| |
| es->font = font; |
| dc = GetDC(es->hwndSelf); |
| if (font) |
| old_font = SelectObject(dc, font); |
| GetTextMetricsW(dc, &tm); |
| es->line_height = tm.tmHeight; |
| es->char_width = tm.tmAveCharWidth; |
| if (font) |
| SelectObject(dc, old_font); |
| ReleaseDC(es->hwndSelf, dc); |
| |
| /* Reset the format rect and the margins */ |
| GetClientRect(es->hwndSelf, &clientRect); |
| EDIT_SetRectNP(es, &clientRect); |
| EDIT_EM_SetMargins(es, EC_LEFTMARGIN | EC_RIGHTMARGIN, |
| EC_USEFONTINFO, EC_USEFONTINFO, FALSE); |
| |
| if (es->style & ES_MULTILINE) |
| EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL); |
| else |
| EDIT_CalcLineWidth_SL(es); |
| |
| if (redraw) |
| EDIT_UpdateText(es, NULL, TRUE); |
| if (es->flags & EF_FOCUSED) { |
| DestroyCaret(); |
| CreateCaret(es->hwndSelf, 0, 1, es->line_height); |
| EDIT_SetCaretPos(es, es->selection_end, |
| es->flags & EF_AFTER_WRAP); |
| ShowCaret(es->hwndSelf); |
| } |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_SETTEXT |
| * |
| * NOTES |
| * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers: |
| * The modified flag is reset. No notifications are sent. |
| * |
| * For single-line controls, reception of WM_SETTEXT triggers: |
| * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent. |
| * |
| */ |
| static void EDIT_WM_SetText(EDITSTATE *es, LPCWSTR text, BOOL unicode) |
| { |
| LPWSTR textW = NULL; |
| if (!unicode && text) |
| { |
| LPCSTR textA = (LPCSTR)text; |
| INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0); |
| textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR)); |
| if (textW) |
| MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW); |
| text = textW; |
| } |
| |
| if (es->flags & EF_UPDATE) |
| /* fixed this bug once; complain if we see it about to happen again. */ |
| ERR("SetSel may generate UPDATE message whose handler may reset " |
| "selection.\n"); |
| |
| EDIT_EM_SetSel(es, 0, (UINT)-1, FALSE); |
| if (text) |
| { |
| TRACE("%s\n", debugstr_w(text)); |
| EDIT_EM_ReplaceSel(es, FALSE, text, FALSE, FALSE); |
| if(!unicode) |
| HeapFree(GetProcessHeap(), 0, textW); |
| } |
| else |
| { |
| static const WCHAR empty_stringW[] = {0}; |
| TRACE("<NULL>\n"); |
| EDIT_EM_ReplaceSel(es, FALSE, empty_stringW, FALSE, FALSE); |
| } |
| es->x_offset = 0; |
| es->flags &= ~EF_MODIFIED; |
| EDIT_EM_SetSel(es, 0, 0, FALSE); |
| |
| /* Send the notification after the selection start and end have been set |
| * edit control doesn't send notification on WM_SETTEXT |
| * if it is multiline, or it is part of combobox |
| */ |
| if( !((es->style & ES_MULTILINE) || es->hwndListBox)) |
| { |
| EDIT_NOTIFY_PARENT(es, EN_UPDATE); |
| EDIT_NOTIFY_PARENT(es, EN_CHANGE); |
| } |
| EDIT_EM_ScrollCaret(es); |
| EDIT_UpdateScrollInfo(es); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_SIZE |
| * |
| */ |
| static void EDIT_WM_Size(EDITSTATE *es, UINT action, INT width, INT height) |
| { |
| if ((action == SIZE_MAXIMIZED) || (action == SIZE_RESTORED)) { |
| RECT rc; |
| TRACE("width = %d, height = %d\n", width, height); |
| SetRect(&rc, 0, 0, width, height); |
| EDIT_SetRectNP(es, &rc); |
| EDIT_UpdateText(es, NULL, TRUE); |
| } |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_STYLECHANGED |
| * |
| * This message is sent by SetWindowLong on having changed either the Style |
| * or the extended style. |
| * |
| * We ensure that the window's version of the styles and the EDITSTATE's agree. |
| * |
| * See also EDIT_WM_NCCreate |
| * |
| * It appears that the Windows version of the edit control allows the style |
| * (as retrieved by GetWindowLong) to be any value and maintains an internal |
| * style variable which will generally be different. In this function we |
| * update the internal style based on what changed in the externally visible |
| * style. |
| * |
| * Much of this content as based upon the MSDN, especially: |
| * Platform SDK Documentation -> User Interface Services -> |
| * Windows User Interface -> Edit Controls -> Edit Control Reference -> |
| * Edit Control Styles |
| */ |
| static LRESULT EDIT_WM_StyleChanged ( EDITSTATE *es, WPARAM which, const STYLESTRUCT *style) |
| { |
| if (GWL_STYLE == which) { |
| DWORD style_change_mask; |
| DWORD new_style; |
| /* Only a subset of changes can be applied after the control |
| * has been created. |
| */ |
| style_change_mask = ES_UPPERCASE | ES_LOWERCASE | |
| ES_NUMBER; |
| if (es->style & ES_MULTILINE) |
| style_change_mask |= ES_WANTRETURN; |
| |
| new_style = style->styleNew & style_change_mask; |
| |
| /* Number overrides lowercase overrides uppercase (at least it |
| * does in Win95). However I'll bet that ES_NUMBER would be |
| * invalid under Win 3.1. |
| */ |
| if (new_style & ES_NUMBER) { |
| ; /* do not override the ES_NUMBER */ |
| } else if (new_style & ES_LOWERCASE) { |
| new_style &= ~ES_UPPERCASE; |
| } |
| |
| es->style = (es->style & ~style_change_mask) | new_style; |
| } else if (GWL_EXSTYLE == which) { |
| ; /* FIXME - what is needed here */ |
| } else { |
| WARN ("Invalid style change %ld\n",which); |
| } |
| |
| return 0; |
| } |
| |
| /********************************************************************* |
| * |
| * WM_SYSKEYDOWN |
| * |
| */ |
| static LRESULT EDIT_WM_SysKeyDown(EDITSTATE *es, INT key, DWORD key_data) |
| { |
| if ((key == VK_BACK) && (key_data & 0x2000)) { |
| if (EDIT_EM_CanUndo(es)) |
| EDIT_EM_Undo(es); |
| return 0; |
| } else if (key == VK_UP || key == VK_DOWN) { |
| if (EDIT_CheckCombo(es, WM_SYSKEYDOWN, key)) |
| return 0; |
| } |
| return DefWindowProcW(es->hwndSelf, WM_SYSKEYDOWN, (WPARAM)key, (LPARAM)key_data); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_TIMER |
| * |
| */ |
| static void EDIT_WM_Timer(EDITSTATE *es) |
| { |
| if (es->region_posx < 0) { |
| EDIT_MoveBackward(es, TRUE); |
| } else if (es->region_posx > 0) { |
| EDIT_MoveForward(es, TRUE); |
| } |
| /* |
| * FIXME: gotta do some vertical scrolling here, like |
| * EDIT_EM_LineScroll(hwnd, 0, 1); |
| */ |
| } |
| |
| /********************************************************************* |
| * |
| * WM_HSCROLL |
| * |
| */ |
| static LRESULT EDIT_WM_HScroll(EDITSTATE *es, INT action, INT pos) |
| { |
| INT dx; |
| INT fw; |
| |
| if (!(es->style & ES_MULTILINE)) |
| return 0; |
| |
| if (!(es->style & ES_AUTOHSCROLL)) |
| return 0; |
| |
| dx = 0; |
| fw = es->format_rect.right - es->format_rect.left; |
| switch (action) { |
| case SB_LINELEFT: |
| TRACE("SB_LINELEFT\n"); |
| if (es->x_offset) |
| dx = -es->char_width; |
| break; |
| case SB_LINERIGHT: |
| TRACE("SB_LINERIGHT\n"); |
| if (es->x_offset < es->text_width) |
| dx = es->char_width; |
| break; |
| case SB_PAGELEFT: |
| TRACE("SB_PAGELEFT\n"); |
| if (es->x_offset) |
| dx = -fw / HSCROLL_FRACTION / es->char_width * es->char_width; |
| break; |
| case SB_PAGERIGHT: |
| TRACE("SB_PAGERIGHT\n"); |
| if (es->x_offset < es->text_width) |
| dx = fw / HSCROLL_FRACTION / es->char_width * es->char_width; |
| break; |
| case SB_LEFT: |
| TRACE("SB_LEFT\n"); |
| if (es->x_offset) |
| dx = -es->x_offset; |
| break; |
| case SB_RIGHT: |
| TRACE("SB_RIGHT\n"); |
| if (es->x_offset < es->text_width) |
| dx = es->text_width - es->x_offset; |
| break; |
| case SB_THUMBTRACK: |
| TRACE("SB_THUMBTRACK %d\n", pos); |
| es->flags |= EF_HSCROLL_TRACK; |
| if(es->style & WS_HSCROLL) |
| dx = pos - es->x_offset; |
| else |
| { |
| INT fw, new_x; |
| /* Sanity check */ |
| if(pos < 0 || pos > 100) return 0; |
| /* Assume default scroll range 0-100 */ |
| fw = es->format_rect.right - es->format_rect.left; |
| new_x = pos * (es->text_width - fw) / 100; |
| dx = es->text_width ? (new_x - es->x_offset) : 0; |
| } |
| break; |
| case SB_THUMBPOSITION: |
| TRACE("SB_THUMBPOSITION %d\n", pos); |
| es->flags &= ~EF_HSCROLL_TRACK; |
| if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_HSCROLL) |
| dx = pos - es->x_offset; |
| else |
| { |
| INT fw, new_x; |
| /* Sanity check */ |
| if(pos < 0 || pos > 100) return 0; |
| /* Assume default scroll range 0-100 */ |
| fw = es->format_rect.right - es->format_rect.left; |
| new_x = pos * (es->text_width - fw) / 100; |
| dx = es->text_width ? (new_x - es->x_offset) : 0; |
| } |
| if (!dx) { |
| /* force scroll info update */ |
| EDIT_UpdateScrollInfo(es); |
| EDIT_NOTIFY_PARENT(es, EN_HSCROLL); |
| } |
| break; |
| case SB_ENDSCROLL: |
| TRACE("SB_ENDSCROLL\n"); |
| break; |
| /* |
| * FIXME : the next two are undocumented ! |
| * Are we doing the right thing ? |
| * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way, |
| * although it's also a regular control message. |
| */ |
| case EM_GETTHUMB: /* this one is used by NT notepad */ |
| case EM_GETTHUMB16: |
| { |
| LRESULT ret; |
| if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_HSCROLL) |
| ret = GetScrollPos(es->hwndSelf, SB_HORZ); |
| else |
| { |
| /* Assume default scroll range 0-100 */ |
| INT fw = es->format_rect.right - es->format_rect.left; |
| ret = es->text_width ? es->x_offset * 100 / (es->text_width - fw) : 0; |
| } |
| TRACE("EM_GETTHUMB: returning %ld\n", ret); |
| return ret; |
| } |
| case EM_LINESCROLL16: |
| TRACE("EM_LINESCROLL16\n"); |
| dx = pos; |
| break; |
| |
| default: |
| ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n", |
| action, action); |
| return 0; |
| } |
| if (dx) |
| { |
| INT fw = es->format_rect.right - es->format_rect.left; |
| /* check if we are going to move too far */ |
| if(es->x_offset + dx + fw > es->text_width) |
| dx = es->text_width - fw - es->x_offset; |
| if(dx) |
| EDIT_EM_LineScroll_internal(es, dx, 0); |
| } |
| return 0; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_VSCROLL |
| * |
| */ |
| static LRESULT EDIT_WM_VScroll(EDITSTATE *es, INT action, INT pos) |
| { |
| INT dy; |
| |
| if (!(es->style & ES_MULTILINE)) |
| return 0; |
| |
| if (!(es->style & ES_AUTOVSCROLL)) |
| return 0; |
| |
| dy = 0; |
| switch (action) { |
| case SB_LINEUP: |
| case SB_LINEDOWN: |
| case SB_PAGEUP: |
| case SB_PAGEDOWN: |
| TRACE("action %d (%s)\n", action, (action == SB_LINEUP ? "SB_LINEUP" : |
| (action == SB_LINEDOWN ? "SB_LINEDOWN" : |
| (action == SB_PAGEUP ? "SB_PAGEUP" : |
| "SB_PAGEDOWN")))); |
| EDIT_EM_Scroll(es, action); |
| return 0; |
| case SB_TOP: |
| TRACE("SB_TOP\n"); |
| dy = -es->y_offset; |
| break; |
| case SB_BOTTOM: |
| TRACE("SB_BOTTOM\n"); |
| dy = es->line_count - 1 - es->y_offset; |
| break; |
| case SB_THUMBTRACK: |
| TRACE("SB_THUMBTRACK %d\n", pos); |
| es->flags |= EF_VSCROLL_TRACK; |
| if(es->style & WS_VSCROLL) |
| dy = pos - es->y_offset; |
| else |
| { |
| /* Assume default scroll range 0-100 */ |
| INT vlc, new_y; |
| /* Sanity check */ |
| if(pos < 0 || pos > 100) return 0; |
| vlc = get_vertical_line_count(es); |
| new_y = pos * (es->line_count - vlc) / 100; |
| dy = es->line_count ? (new_y - es->y_offset) : 0; |
| TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n", |
| es->line_count, es->y_offset, pos, dy); |
| } |
| break; |
| case SB_THUMBPOSITION: |
| TRACE("SB_THUMBPOSITION %d\n", pos); |
| es->flags &= ~EF_VSCROLL_TRACK; |
| if(es->style & WS_VSCROLL) |
| dy = pos - es->y_offset; |
| else |
| { |
| /* Assume default scroll range 0-100 */ |
| INT vlc, new_y; |
| /* Sanity check */ |
| if(pos < 0 || pos > 100) return 0; |
| vlc = get_vertical_line_count(es); |
| new_y = pos * (es->line_count - vlc) / 100; |
| dy = es->line_count ? (new_y - es->y_offset) : 0; |
| TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n", |
| es->line_count, es->y_offset, pos, dy); |
| } |
| if (!dy) |
| { |
| /* force scroll info update */ |
| EDIT_UpdateScrollInfo(es); |
| EDIT_NOTIFY_PARENT(es, EN_VSCROLL); |
| } |
| break; |
| case SB_ENDSCROLL: |
| TRACE("SB_ENDSCROLL\n"); |
| break; |
| /* |
| * FIXME : the next two are undocumented ! |
| * Are we doing the right thing ? |
| * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way, |
| * although it's also a regular control message. |
| */ |
| case EM_GETTHUMB: /* this one is used by NT notepad */ |
| case EM_GETTHUMB16: |
| { |
| LRESULT ret; |
| if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_VSCROLL) |
| ret = GetScrollPos(es->hwndSelf, SB_VERT); |
| else |
| { |
| /* Assume default scroll range 0-100 */ |
| INT vlc = get_vertical_line_count(es); |
| ret = es->line_count ? es->y_offset * 100 / (es->line_count - vlc) : 0; |
| } |
| TRACE("EM_GETTHUMB: returning %ld\n", ret); |
| return ret; |
| } |
| case EM_LINESCROLL16: |
| TRACE("EM_LINESCROLL16 %d\n", pos); |
| dy = pos; |
| break; |
| |
| default: |
| ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n", |
| action, action); |
| return 0; |
| } |
| if (dy) |
| EDIT_EM_LineScroll(es, 0, dy); |
| return 0; |
| } |
| |
| /********************************************************************* |
| * |
| * EM_GETTHUMB |
| * |
| * FIXME: is this right ? (or should it be only VSCROLL) |
| * (and maybe only for edit controls that really have their |
| * own scrollbars) (and maybe only for multiline controls ?) |
| * All in all: very poorly documented |
| * |
| */ |
| static LRESULT EDIT_EM_GetThumb(EDITSTATE *es) |
| { |
| return MAKELONG(EDIT_WM_VScroll(es, EM_GETTHUMB16, 0), |
| EDIT_WM_HScroll(es, EM_GETTHUMB16, 0)); |
| } |
| |
| |
| /******************************************************************** |
| * |
| * The Following code is to handle inline editing from IMEs |
| */ |
| |
| static void EDIT_GetCompositionStr(HIMC hIMC, LPARAM CompFlag, EDITSTATE *es) |
| { |
| LONG buflen; |
| LPWSTR lpCompStr = NULL; |
| LPSTR lpCompStrAttr = NULL; |
| DWORD dwBufLenAttr; |
| |
| buflen = ImmGetCompositionStringW(hIMC, GCS_COMPSTR, NULL, 0); |
| |
| if (buflen < 0) |
| { |
| return; |
| } |
| |
| lpCompStr = HeapAlloc(GetProcessHeap(),0,buflen + sizeof(WCHAR)); |
| if (!lpCompStr) |
| { |
| ERR("Unable to allocate IME CompositionString\n"); |
| return; |
| } |
| |
| if (buflen) |
| ImmGetCompositionStringW(hIMC, GCS_COMPSTR, lpCompStr, buflen); |
| lpCompStr[buflen/sizeof(WCHAR)] = 0; |
| |
| if (CompFlag & GCS_COMPATTR) |
| { |
| /* |
| * We do not use the attributes yet. it would tell us what characters |
| * are in transition and which are converted or decided upon |
| */ |
| dwBufLenAttr = ImmGetCompositionStringW(hIMC, GCS_COMPATTR, NULL, 0); |
| if (dwBufLenAttr) |
| { |
| dwBufLenAttr ++; |
| lpCompStrAttr = HeapAlloc(GetProcessHeap(),0,dwBufLenAttr+1); |
| if (!lpCompStrAttr) |
| { |
| ERR("Unable to allocate IME Attribute String\n"); |
| HeapFree(GetProcessHeap(),0,lpCompStr); |
| return; |
| } |
| ImmGetCompositionStringW(hIMC,GCS_COMPATTR, lpCompStrAttr, |
| dwBufLenAttr); |
| lpCompStrAttr[dwBufLenAttr] = 0; |
| } |
| else |
| lpCompStrAttr = NULL; |
| } |
| |
| /* check for change in composition start */ |
| if (es->selection_end < es->composition_start) |
| es->composition_start = es->selection_end; |
| |
| /* replace existing selection string */ |
| es->selection_start = es->composition_start; |
| |
| if (es->composition_len > 0) |
| es->selection_end = es->composition_start + es->composition_len; |
| else |
| es->selection_end = es->selection_start; |
| |
| EDIT_EM_ReplaceSel(es, FALSE, lpCompStr, TRUE, TRUE); |
| es->composition_len = abs(es->composition_start - es->selection_end); |
| |
| es->selection_start = es->composition_start; |
| es->selection_end = es->selection_start + es->composition_len; |
| |
| HeapFree(GetProcessHeap(),0,lpCompStrAttr); |
| HeapFree(GetProcessHeap(),0,lpCompStr); |
| } |
| |
| static void EDIT_GetResultStr(HIMC hIMC, EDITSTATE *es) |
| { |
| LONG buflen; |
| LPWSTR lpResultStr; |
| |
| buflen = ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, NULL, 0); |
| if (buflen <= 0) |
| { |
| return; |
| } |
| |
| lpResultStr = HeapAlloc(GetProcessHeap(),0, buflen+sizeof(WCHAR)); |
| if (!lpResultStr) |
| { |
| ERR("Unable to alloc buffer for IME string\n"); |
| return; |
| } |
| |
| ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, lpResultStr, buflen); |
| lpResultStr[buflen/sizeof(WCHAR)] = 0; |
| |
| /* check for change in composition start */ |
| if (es->selection_end < es->composition_start) |
| es->composition_start = es->selection_end; |
| |
| es->selection_start = es->composition_start; |
| es->selection_end = es->composition_start + es->composition_len; |
| EDIT_EM_ReplaceSel(es, TRUE, lpResultStr, TRUE, TRUE); |
| es->composition_start = es->selection_end; |
| es->composition_len = 0; |
| |
| HeapFree(GetProcessHeap(),0,lpResultStr); |
| } |
| |
| static void EDIT_ImeComposition(HWND hwnd, LPARAM CompFlag, EDITSTATE *es) |
| { |
| HIMC hIMC; |
| int cursor; |
| |
| if (es->composition_len == 0 && es->selection_start != es->selection_end) |
| { |
| static const WCHAR empty_stringW[] = {0}; |
| EDIT_EM_ReplaceSel(es, TRUE, empty_stringW, TRUE, TRUE); |
| es->composition_start = es->selection_end; |
| } |
| |
| hIMC = ImmGetContext(hwnd); |
| if (!hIMC) |
| return; |
| |
| if (CompFlag & GCS_RESULTSTR) |
| EDIT_GetResultStr(hIMC, es); |
| if (CompFlag & GCS_COMPSTR) |
| EDIT_GetCompositionStr(hIMC, CompFlag, es); |
| cursor = ImmGetCompositionStringW(hIMC, GCS_CURSORPOS, 0, 0); |
| ImmReleaseContext(hwnd, hIMC); |
| EDIT_SetCaretPos(es, es->selection_start + cursor, es->flags & EF_AFTER_WRAP); |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_NCCREATE |
| * |
| * See also EDIT_WM_StyleChanged |
| */ |
| static LRESULT EDIT_WM_NCCreate(HWND hwnd, LPCREATESTRUCTW lpcs, BOOL unicode) |
| { |
| EDITSTATE *es; |
| UINT alloc_size; |
| |
| TRACE("Creating %s edit control, style = %08x\n", |
| unicode ? "Unicode" : "ANSI", lpcs->style); |
| |
| if (!(es = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*es)))) |
| return FALSE; |
| SetWindowLongPtrW( hwnd, 0, (LONG_PTR)es ); |
| |
| /* |
| * Note: since the EDITSTATE has not been fully initialized yet, |
| * we can't use any API calls that may send |
| * WM_XXX messages before WM_NCCREATE is completed. |
| */ |
| |
| es->is_unicode = unicode; |
| es->style = lpcs->style; |
| |
| es->bEnableState = !(es->style & WS_DISABLED); |
| |
| es->hwndSelf = hwnd; |
| /* Save parent, which will be notified by EN_* messages */ |
| es->hwndParent = lpcs->hwndParent; |
| |
| if (es->style & ES_COMBO) |
| es->hwndListBox = GetDlgItem(es->hwndParent, ID_CB_LISTBOX); |
| |
| /* FIXME: should we handle changes to WS_EX_RIGHT style after creation? */ |
| if (lpcs->dwExStyle & WS_EX_RIGHT) es->style |= ES_RIGHT; |
| |
| /* Number overrides lowercase overrides uppercase (at least it |
| * does in Win95). However I'll bet that ES_NUMBER would be |
| * invalid under Win 3.1. |
| */ |
| if (es->style & ES_NUMBER) { |
| ; /* do not override the ES_NUMBER */ |
| } else if (es->style & ES_LOWERCASE) { |
| es->style &= ~ES_UPPERCASE; |
| } |
| if (es->style & ES_MULTILINE) { |
| es->buffer_limit = BUFLIMIT_INITIAL; |
| if (es->style & WS_VSCROLL) |
| es->style |= ES_AUTOVSCROLL; |
| if (es->style & WS_HSCROLL) |
| es->style |= ES_AUTOHSCROLL; |
| es->style &= ~ES_PASSWORD; |
| if ((es->style & ES_CENTER) || (es->style & ES_RIGHT)) { |
| /* Confirmed - RIGHT overrides CENTER */ |
| if (es->style & ES_RIGHT) |
| es->style &= ~ES_CENTER; |
| es->style &= ~WS_HSCROLL; |
| es->style &= ~ES_AUTOHSCROLL; |
| } |
| } else { |
| es->buffer_limit = BUFLIMIT_INITIAL; |
| if ((es->style & ES_RIGHT) && (es->style & ES_CENTER)) |
| es->style &= ~ES_CENTER; |
| es->style &= ~WS_HSCROLL; |
| es->style &= ~WS_VSCROLL; |
| if (es->style & ES_PASSWORD) |
| es->password_char = '*'; |
| } |
| |
| alloc_size = ROUND_TO_GROW((es->buffer_size + 1) * sizeof(WCHAR)); |
| if(!(es->hloc32W = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size))) |
| return FALSE; |
| es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1; |
| |
| if (!(es->undo_text = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (es->buffer_size + 1) * sizeof(WCHAR)))) |
| return FALSE; |
| es->undo_buffer_size = es->buffer_size; |
| |
| if (es->style & ES_MULTILINE) |
| if (!(es->first_line_def = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINEDEF)))) |
| return FALSE; |
| es->line_count = 1; |
| |
| /* |
| * In Win95 look and feel, the WS_BORDER style is replaced by the |
| * WS_EX_CLIENTEDGE style for the edit control. This gives the edit |
| * control a nonclient area so we don't need to draw the border. |
| * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have |
| * a nonclient area and we should handle painting the border ourselves. |
| * |
| * When making modifications please ensure that the code still works |
| * for edit controls created directly with style 0x50800000, exStyle 0 |
| * (which should have a single pixel border) |
| */ |
| if (lpcs->dwExStyle & WS_EX_CLIENTEDGE) |
| es->style &= ~WS_BORDER; |
| else if (es->style & WS_BORDER) |
| SetWindowLongW(hwnd, GWL_STYLE, es->style & ~WS_BORDER); |
| |
| return TRUE; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_CREATE |
| * |
| */ |
| static LRESULT EDIT_WM_Create(EDITSTATE *es, LPCWSTR name) |
| { |
| RECT clientRect; |
| |
| TRACE("%s\n", debugstr_w(name)); |
| /* |
| * To initialize some final structure members, we call some helper |
| * functions. However, since the EDITSTATE is not consistent (i.e. |
| * not fully initialized), we should be very careful which |
| * functions can be called, and in what order. |
| */ |
| EDIT_WM_SetFont(es, 0, FALSE); |
| EDIT_EM_EmptyUndoBuffer(es); |
| |
| /* We need to calculate the format rect |
| (applications may send EM_SETMARGINS before the control gets visible) */ |
| GetClientRect(es->hwndSelf, &clientRect); |
| EDIT_SetRectNP(es, &clientRect); |
| |
| if (name && *name) { |
| EDIT_EM_ReplaceSel(es, FALSE, name, FALSE, FALSE); |
| /* if we insert text to the editline, the text scrolls out |
| * of the window, as the caret is placed after the insert |
| * pos normally; thus we reset es->selection... to 0 and |
| * update caret |
| */ |
| es->selection_start = es->selection_end = 0; |
| /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE |
| * Messages are only to be sent when the USER does something to |
| * change the contents. So I am removing this EN_CHANGE |
| * |
| * EDIT_NOTIFY_PARENT(es, EN_CHANGE); |
| */ |
| EDIT_EM_ScrollCaret(es); |
| } |
| /* force scroll info update */ |
| EDIT_UpdateScrollInfo(es); |
| /* The rule seems to return 1 here for success */ |
| /* Power Builder masked edit controls will crash */ |
| /* if not. */ |
| /* FIXME: is that in all cases so ? */ |
| return 1; |
| } |
| |
| |
| /********************************************************************* |
| * |
| * WM_DESTROY |
| * |
| */ |
| static LRESULT EDIT_WM_Destroy(EDITSTATE *es) |
| { |
| LINEDEF *pc, *pp; |
| |
| if (es->hloc32W) { |
| LocalFree(es->hloc32W); |
| } |
| if (es->hloc32A) { |
| LocalFree(es->hloc32A); |
| } |
| if (es->hloc16) { |
| STACK16FRAME* stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved)); |
| HANDLE16 oldDS = stack16->ds; |
| |
| stack16->ds = GetWindowLongPtrW( es->hwndSelf, GWLP_HINSTANCE ); |
| while (LocalUnlock16(es->hloc16)) ; |
| LocalFree16(es->hloc16); |
| stack16->ds = oldDS; |
| } |
| |
| pc = es->first_line_def; |
| while (pc) |
| { |
| pp = pc->next; |
| HeapFree(GetProcessHeap(), 0, pc); |
| pc = pp; |
| } |
| |
| SetWindowLongPtrW( es->hwndSelf, 0, 0 ); |
| HeapFree(GetProcessHeap(), 0, es); |
| |
| return 0; |
| } |
| |
| |
| static inline LRESULT DefWindowProcT(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, BOOL unicode) |
| { |
| if(unicode) |
| return DefWindowProcW(hwnd, msg, wParam, lParam); |
| else |
| return DefWindowProcA(hwnd, msg, wParam, lParam); |
| } |
| |
| /********************************************************************* |
| * |
| * EditWndProc_common |
| * |
| * The messages are in the order of the actual integer values |
| * (which can be found in include/windows.h) |
| * Wherever possible the 16 bit versions are converted to |
| * the 32 bit ones, so that we can 'fall through' to the |
| * helper functions. These are mostly 32 bit (with a few |
| * exceptions, clearly indicated by a '16' extension to their |
| * names). |
| * |
| */ |
| static LRESULT EditWndProc_common( HWND hwnd, UINT msg, |
| WPARAM wParam, LPARAM lParam, BOOL unicode ) |
| { |
| EDITSTATE *es = (EDITSTATE *)GetWindowLongPtrW( hwnd, 0 ); |
| LRESULT result = 0; |
| |
| TRACE("hwnd=%p msg=%x (%s) wparam=%lx lparam=%lx\n", hwnd, msg, SPY_GetMsgName(msg, hwnd), wParam, lParam); |
| |
| if (!es && msg != WM_NCCREATE) |
| return DefWindowProcT(hwnd, msg, wParam, lParam, unicode); |
| |
| if (es && (msg != WM_DESTROY)) EDIT_LockBuffer(es); |
| |
| switch (msg) { |
| case EM_GETSEL16: |
| wParam = 0; |
| lParam = 0; |
| /* fall through */ |
| case EM_GETSEL: |
| result = EDIT_EM_GetSel(es, (PUINT)wParam, (PUINT)lParam); |
| break; |
| |
| case EM_SETSEL16: |
| if ((short)LOWORD(lParam) == -1) |
| EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE); |
| else |
| EDIT_EM_SetSel(es, LOWORD(lParam), HIWORD(lParam), FALSE); |
| if (!wParam) |
| EDIT_EM_ScrollCaret(es); |
| result = 1; |
| break; |
| case EM_SETSEL: |
| EDIT_EM_SetSel(es, wParam, lParam, FALSE); |
| EDIT_EM_ScrollCaret(es); |
| result = 1; |
| break; |
| |
| case EM_GETRECT16: |
| if (lParam) |
| { |
| RECT16 *r16 = MapSL(lParam); |
| r16->left = es->format_rect.left; |
| r16->top = es->format_rect.top; |
| r16->right = es->format_rect.right; |
| r16->bottom = es->format_rect.bottom; |
| } |
| break; |
| case EM_GETRECT: |
| if (lParam) |
| CopyRect((LPRECT)lParam, &es->format_rect); |
| break; |
| |
| case EM_SETRECT16: |
| if ((es->style & ES_MULTILINE) && lParam) { |
| RECT rc; |
| RECT16 *r16 = MapSL(lParam); |
| rc.left = r16->left; |
| rc.top = r16->top; |
| rc.right = r16->right; |
| rc.bottom = r16->bottom; |
| EDIT_SetRectNP(es, &rc); |
| EDIT_UpdateText(es, NULL, TRUE); |
| } |
| break; |
| case EM_SETRECT: |
| if ((es->style & ES_MULTILINE) && lParam) { |
| EDIT_SetRectNP(es, (LPRECT)lParam); |
| EDIT_UpdateText(es, NULL, TRUE); |
| } |
| break; |
| |
| case EM_SETRECTNP16: |
| if ((es->style & ES_MULTILINE) && lParam) { |
| RECT rc; |
| RECT16 *r16 = MapSL(lParam); |
| rc.left = r16->left; |
| rc.top = r16->top; |
| rc.right = r16->right; |
| rc.bottom = r16->bottom; |
| EDIT_SetRectNP(es, &rc); |
| } |
| break; |
| case EM_SETRECTNP: |
| if ((es->style & ES_MULTILINE) && lParam) |
| EDIT_SetRectNP(es, (LPRECT)lParam); |
| break; |
| |
| case EM_SCROLL16: |
| case EM_SCROLL: |
| result = EDIT_EM_Scroll(es, (INT)wParam); |
| break; |
| |
| case EM_LINESCROLL16: |
| wParam = (WPARAM)(INT)(SHORT)HIWORD(lParam); |
| lParam = (LPARAM)(INT)(SHORT)LOWORD(lParam); |
| /* fall through */ |
| case EM_LINESCROLL: |
| result = (LRESULT)EDIT_EM_LineScroll(es, (INT)wParam, (INT)lParam); |
| break; |
| |
| case EM_SCROLLCARET16: |
| case EM_SCROLLCARET: |
| EDIT_EM_ScrollCaret(es); |
| result = 1; |
| break; |
| |
| case EM_GETMODIFY16: |
| case EM_GETMODIFY: |
| result = ((es->flags & EF_MODIFIED) != 0); |
| break; |
| |
| case EM_SETMODIFY16: |
| case EM_SETMODIFY: |
| if (wParam) |
| es->flags |= EF_MODIFIED; |
| else |
| es->flags &= ~(EF_MODIFIED | EF_UPDATE); /* reset pending updates */ |
| break; |
| |
| case EM_GETLINECOUNT16: |
| case EM_GETLINECOUNT: |
| result = (es->style & ES_MULTILINE) ? es->line_count : 1; |
| break; |
| |
| case EM_LINEINDEX16: |
| if ((INT16)wParam == -1) |
| wParam = (WPARAM)-1; |
| /* fall through */ |
| case EM_LINEINDEX: |
| result = (LRESULT)EDIT_EM_LineIndex(es, (INT)wParam); |
| break; |
| |
| case EM_SETHANDLE16: |
| EDIT_EM_SetHandle16(es, (HLOCAL16)wParam); |
| break; |
| case EM_SETHANDLE: |
| EDIT_EM_SetHandle(es, (HLOCAL)wParam); |
| break; |
| |
| case EM_GETHANDLE16: |
| result = (LRESULT)EDIT_EM_GetHandle16(es); |
| break; |
| case EM_GETHANDLE: |
| result = (LRESULT)EDIT_EM_GetHandle(es); |
| break; |
| |
| case EM_GETTHUMB16: |
| case EM_GETTHUMB: |
| result = EDIT_EM_GetThumb(es); |
| break; |
| |
| /* these messages missing from specs */ |
| case WM_USER+15: |
| case 0x00bf: |
| case WM_USER+16: |
| case 0x00c0: |
| case WM_USER+19: |
| case 0x00c3: |
| case WM_USER+26: |
| case 0x00ca: |
| FIXME("undocumented message 0x%x, please report\n", msg); |
| result = DefWindowProcW(hwnd, msg, wParam, lParam); |
| break; |
| |
| case EM_LINELENGTH16: |
| case EM_LINELENGTH: |
| result = (LRESULT)EDIT_EM_LineLength(es, (INT)wParam); |
| break; |
| |
| case EM_REPLACESEL16: |
| lParam = (LPARAM)MapSL(lParam); |
| unicode = FALSE; /* 16-bit message is always ascii */ |
| /* fall through */ |
| case EM_REPLACESEL: |
| { |
| LPWSTR textW; |
| |
| if(unicode) |
| textW = (LPWSTR)lParam; |
| else |
| { |
| LPSTR textA = (LPSTR)lParam; |
| INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0); |
| if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR)))) |
| MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW); |
| } |
| |
| EDIT_EM_ReplaceSel(es, (BOOL)wParam, textW, TRUE, TRUE); |
| result = 1; |
| |
| if(!unicode) |
| HeapFree(GetProcessHeap(), 0, textW); |
| break; |
| } |
| |
| case EM_GETLINE16: |
| lParam = (LPARAM)MapSL(lParam); |
| unicode = FALSE; /* 16-bit message is always ascii */ |
| /* fall through */ |
| case EM_GETLINE: |
| result = (LRESULT)EDIT_EM_GetLine(es, (INT)wParam, (LPWSTR)lParam, unicode); |
| break; |
| |
| case EM_LIMITTEXT16: |
| case EM_SETLIMITTEXT: |
| EDIT_EM_SetLimitText(es, wParam); |
| break; |
| |
| case EM_CANUNDO16: |
| case EM_CANUNDO: |
| result = (LRESULT)EDIT_EM_CanUndo(es); |
| break; |
| |
| case EM_UNDO16: |
| case EM_UNDO: |
| case WM_UNDO: |
| result = (LRESULT)EDIT_EM_Undo(es); |
| break; |
| |
| case EM_FMTLINES16: |
| case EM_FMTLINES: |
| result = (LRESULT)EDIT_EM_FmtLines(es, (BOOL)wParam); |
| break; |
| |
| case EM_LINEFROMCHAR16: |
| case EM_LINEFROMCHAR: |
| result = (LRESULT)EDIT_EM_LineFromChar(es, (INT)wParam); |
| break; |
| |
| case EM_SETTABSTOPS16: |
| result = (LRESULT)EDIT_EM_SetTabStops16(es, (INT)wParam, MapSL(lParam)); |
| break; |
| case EM_SETTABSTOPS: |
| result = (LRESULT)EDIT_EM_SetTabStops(es, (INT)wParam, (LPINT)lParam); |
| break; |
| |
| case EM_SETPASSWORDCHAR16: |
| unicode = FALSE; /* 16-bit message is always ascii */ |
| /* fall through */ |
| case EM_SETPASSWORDCHAR: |
| { |
| WCHAR charW = 0; |
| |
| if(unicode) |
| charW = (WCHAR)wParam; |
| else |
| { |
| CHAR charA = wParam; |
| MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1); |
| } |
| |
| EDIT_EM_SetPasswordChar(es, charW); |
| break; |
| } |
| |
| case EM_EMPTYUNDOBUFFER16: |
| case EM_EMPTYUNDOBUFFER: |
| EDIT_EM_EmptyUndoBuffer(es); |
| break; |
| |
| case EM_GETFIRSTVISIBLELINE16: |
| result = es->y_offset; |
| break; |
| case EM_GETFIRSTVISIBLELINE: |
| result = (es->style & ES_MULTILINE) ? es->y_offset : es->x_offset; |
| break; |
| |
| case EM_SETREADONLY16: |
| case EM_SETREADONLY: |
| if (wParam) { |
| SetWindowLongW( hwnd, GWL_STYLE, |
| GetWindowLongW( hwnd, GWL_STYLE ) | ES_READONLY ); |
| es->style |= ES_READONLY; |
| } else { |
| SetWindowLongW( hwnd, GWL_STYLE, |
| GetWindowLongW( hwnd, GWL_STYLE ) & ~ES_READONLY ); |
| es->style &= ~ES_READONLY; |
| } |
| result = 1; |
| break; |
| |
| case EM_SETWORDBREAKPROC16: |
| EDIT_EM_SetWordBreakProc16(es, (EDITWORDBREAKPROC16)lParam); |
| break; |
| case EM_SETWORDBREAKPROC: |
| EDIT_EM_SetWordBreakProc(es, (void *)lParam); |
| break; |
| |
| case EM_GETWORDBREAKPROC16: |
| result = (LRESULT)es->word_break_proc16; |
| break; |
| case EM_GETWORDBREAKPROC: |
| result = (LRESULT)es->word_break_proc; |
| break; |
| |
| case EM_GETPASSWORDCHAR16: |
| unicode = FALSE; /* 16-bit message is always ascii */ |
| /* fall through */ |
| case EM_GETPASSWORDCHAR: |
| { |
| if(unicode) |
| result = es->password_char; |
| else |
| { |
| WCHAR charW = es->password_char; |
| CHAR charA = 0; |
| WideCharToMultiByte(CP_ACP, 0, &charW, 1, &charA, 1, NULL, NULL); |
| result = charA; |
| } |
| break; |
| } |
| |
| /* The following EM_xxx are new to win95 and don't exist for 16 bit */ |
| |
| case EM_SETMARGINS: |
| EDIT_EM_SetMargins(es, (INT)wParam, LOWORD(lParam), HIWORD(lParam), TRUE); |
| break; |
| |
| case EM_GETMARGINS: |
| result = MAKELONG(es->left_margin, es->right_margin); |
| break; |
| |
| case EM_GETLIMITTEXT: |
| result = es->buffer_limit; |
| break; |
| |
| case EM_POSFROMCHAR: |
| if ((INT)wParam >= get_text_length(es)) result = -1; |
| else result = EDIT_EM_PosFromChar(es, (INT)wParam, FALSE); |
| break; |
| |
| case EM_CHARFROMPOS: |
| result = EDIT_EM_CharFromPos(es, (short)LOWORD(lParam), (short)HIWORD(lParam)); |
| break; |
| |
| /* End of the EM_ messages which were in numerical order; what order |
| * are these in? vaguely alphabetical? |
| */ |
| |
| case WM_NCCREATE: |
| result = EDIT_WM_NCCreate(hwnd, (LPCREATESTRUCTW)lParam, unicode); |
| break; |
| |
| case WM_DESTROY: |
| result = EDIT_WM_Destroy(es); |
| es = NULL; |
| break; |
| |
| case WM_GETDLGCODE: |
| result = DLGC_HASSETSEL | DLGC_WANTCHARS | DLGC_WANTARROWS; |
| |
| if (es->style & ES_MULTILINE) |
| result |= DLGC_WANTALLKEYS; |
| |
| if (lParam && (((LPMSG)lParam)->message == WM_KEYDOWN)) |
| { |
| int vk = (int)((LPMSG)lParam)->wParam; |
| |
| if (es->hwndListBox) |
| { |
| if (vk == VK_RETURN || vk == VK_ESCAPE) |
| if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0)) |
| result |= DLGC_WANTMESSAGE; |
| } |
| else |
| { |
| switch (vk) |
| { |
| case VK_ESCAPE: |
| SendMessageW(GetParent(hwnd), WM_CLOSE, 0, 0); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| break; |
| |
| case WM_IME_CHAR: |
| if (!unicode) |
| { |
| WCHAR charW; |
| CHAR strng[2]; |
| |
| strng[0] = wParam >> 8; |
| strng[1] = wParam & 0xff; |
| if (strng[0]) MultiByteToWideChar(CP_ACP, 0, strng, 2, &charW, 1); |
| else MultiByteToWideChar(CP_ACP, 0, &strng[1], 1, &charW, 1); |
| result = EDIT_WM_Char(es, charW); |
| break; |
| } |
| /* fall through */ |
| case WM_CHAR: |
| { |
| WCHAR charW; |
| |
| if(unicode) |
| charW = wParam; |
| else |
| { |
| CHAR charA = wParam; |
| MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1); |
| } |
| |
| if (es->hwndListBox) |
| { |
| if (charW == VK_RETURN || charW == VK_ESCAPE) |
| { |
| if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0)) |
| SendMessageW(GetParent(hwnd), WM_KEYDOWN, charW, 0); |
| break; |
| } |
| } |
| result = EDIT_WM_Char(es, charW); |
| break; |
| } |
| |
| case WM_UNICHAR: |
| if (unicode) |
| { |
| if (wParam == UNICODE_NOCHAR) return TRUE; |
| if (wParam <= 0x000fffff) |
| { |
| if(wParam > 0xffff) /* convert to surrogates */ |
| { |
| wParam -= 0x10000; |
| EDIT_WM_Char(es, (wParam >> 10) + 0xd800); |
| EDIT_WM_Char(es, (wParam & 0x03ff) + 0xdc00); |
| } |
| else EDIT_WM_Char(es, wParam); |
| } |
| return 0; |
| } |
| break; |
| |
| case WM_CLEAR: |
| EDIT_WM_Clear(es); |
| break; |
| |
| case WM_COMMAND: |
| EDIT_WM_Command(es, HIWORD(wParam), LOWORD(wParam), (HWND)lParam); |
| break; |
| |
| case WM_CONTEXTMENU: |
| EDIT_WM_ContextMenu(es, (short)LOWORD(lParam), (short)HIWORD(lParam)); |
| break; |
| |
| case WM_COPY: |
| EDIT_WM_Copy(es); |
| break; |
| |
| case WM_CREATE: |
| if(unicode) |
| result = EDIT_WM_Create(es, ((LPCREATESTRUCTW)lParam)->lpszName); |
| else |
| { |
| LPCSTR nameA = ((LPCREATESTRUCTA)lParam)->lpszName; |
| LPWSTR nameW = NULL; |
| if(nameA) |
| { |
| INT countW = MultiByteToWideChar(CP_ACP, 0, nameA, -1, NULL, 0); |
| if((nameW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR)))) |
| MultiByteToWideChar(CP_ACP, 0, nameA, -1, nameW, countW); |
| } |
| result = EDIT_WM_Create(es, nameW); |
| HeapFree(GetProcessHeap(), 0, nameW); |
| } |
| break; |
| |
| case WM_CUT: |
| EDIT_WM_Cut(es); |
| break; |
| |
| case WM_ENABLE: |
| es->bEnableState = (BOOL) wParam; |
| EDIT_UpdateText(es, NULL, TRUE); |
| break; |
| |
| case WM_ERASEBKGND: |
| /* we do the proper erase in EDIT_WM_Paint */ |
| result = 1; |
| break; |
| |
| case WM_GETFONT: |
| result = (LRESULT)es->font; |
| break; |
| |
| case WM_GETTEXT: |
| result = (LRESULT)EDIT_WM_GetText(es, (INT)wParam, (LPWSTR)lParam, unicode); |
| break; |
| |
| case WM_GETTEXTLENGTH: |
| if (unicode) result = get_text_length(es); |
| else result = WideCharToMultiByte( CP_ACP, 0, es->text, get_text_length(es), |
| NULL, 0, NULL, NULL ); |
| break; |
| |
| case WM_HSCROLL: |
| result = EDIT_WM_HScroll(es, LOWORD(wParam), (short)HIWORD(wParam)); |
| break; |
| |
| case WM_KEYDOWN: |
| result = EDIT_WM_KeyDown(es, (INT)wParam); |
| break; |
| |
| case WM_KILLFOCUS: |
| result = EDIT_WM_KillFocus(es); |
| break; |
| |
| case WM_LBUTTONDBLCLK: |
| result = EDIT_WM_LButtonDblClk(es); |
| break; |
| |
| case WM_LBUTTONDOWN: |
| result = EDIT_WM_LButtonDown(es, wParam, (short)LOWORD(lParam), (short)HIWORD(lParam)); |
| break; |
| |
| case WM_LBUTTONUP: |
| result = EDIT_WM_LButtonUp(es); |
| break; |
| |
| case WM_MBUTTONDOWN: |
| result = EDIT_WM_MButtonDown(es); |
| break; |
| |
| case WM_MOUSEMOVE: |
| result = EDIT_WM_MouseMove(es, (short)LOWORD(lParam), (short)HIWORD(lParam)); |
| break; |
| |
| case WM_PRINTCLIENT: |
| case WM_PAINT: |
| EDIT_WM_Paint(es, (HDC)wParam); |
| break; |
| |
| case WM_PASTE: |
| EDIT_WM_Paste(es); |
| break; |
| |
| case WM_SETFOCUS: |
| EDIT_WM_SetFocus(es); |
| break; |
| |
| case WM_SETFONT: |
| EDIT_WM_SetFont(es, (HFONT)wParam, LOWORD(lParam) != 0); |
| break; |
| |
| case WM_SETREDRAW: |
| /* FIXME: actually set an internal flag and behave accordingly */ |
| break; |
| |
| case WM_SETTEXT: |
| EDIT_WM_SetText(es, (LPCWSTR)lParam, unicode); |
| result = TRUE; |
| break; |
| |
| case WM_SIZE: |
| EDIT_WM_Size(es, (UINT)wParam, LOWORD(lParam), HIWORD(lParam)); |
| break; |
| |
| case WM_STYLECHANGED: |
| result = EDIT_WM_StyleChanged(es, wParam, (const STYLESTRUCT *)lParam); |
| break; |
| |
| case WM_STYLECHANGING: |
| result = 0; /* See EDIT_WM_StyleChanged */ |
| break; |
| |
| case WM_SYSKEYDOWN: |
| result = EDIT_WM_SysKeyDown(es, (INT)wParam, (DWORD)lParam); |
| break; |
| |
| case WM_TIMER: |
| EDIT_WM_Timer(es); |
| break; |
| |
| case WM_VSCROLL: |
| result = EDIT_WM_VScroll(es, LOWORD(wParam), (short)HIWORD(wParam)); |
| break; |
| |
| case WM_MOUSEWHEEL: |
| { |
| int gcWheelDelta = 0; |
| UINT pulScrollLines = 3; |
| SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0); |
| |
| if (wParam & (MK_SHIFT | MK_CONTROL)) { |
| result = DefWindowProcW(hwnd, msg, wParam, lParam); |
| break; |
| } |
| gcWheelDelta -= GET_WHEEL_DELTA_WPARAM(wParam); |
| if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines) |
| { |
| int cLineScroll= (int) min((UINT) es->line_count, pulScrollLines); |
| cLineScroll *= (gcWheelDelta / WHEEL_DELTA); |
| result = EDIT_EM_LineScroll(es, 0, cLineScroll); |
| } |
| } |
| break; |
| |
| |
| /* IME messages to make the edit control IME aware */ |
| case WM_IME_SETCONTEXT: |
| break; |
| |
| case WM_IME_STARTCOMPOSITION: |
| es->composition_start = es->selection_end; |
| es->composition_len = 0; |
| break; |
| |
| case WM_IME_COMPOSITION: |
| EDIT_ImeComposition(hwnd, lParam, es); |
| break; |
| |
| case WM_IME_ENDCOMPOSITION: |
| if (es->composition_len > 0) |
| { |
| static const WCHAR empty_stringW[] = {0}; |
| EDIT_EM_ReplaceSel(es, TRUE, empty_stringW, TRUE, TRUE); |
| es->selection_end = es->selection_start; |
| es->composition_len= 0; |
| } |
| break; |
| |
| case WM_IME_COMPOSITIONFULL: |
| break; |
| |
| case WM_IME_SELECT: |
| break; |
| |
| case WM_IME_CONTROL: |
| break; |
| |
| default: |
| result = DefWindowProcT(hwnd, msg, wParam, lParam, unicode); |
| break; |
| } |
| |
| if (es) EDIT_UnlockBuffer(es, FALSE); |
| |
| TRACE("hwnd=%p msg=%x (%s) -- 0x%08lx\n", hwnd, msg, SPY_GetMsgName(msg, hwnd), result); |
| |
| return result; |
| } |
| |
| /********************************************************************* |
| * |
| * EditWndProc (USER32.@) |
| */ |
| LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) |
| { |
| return EditWndProc_common(hWnd, uMsg, wParam, lParam, FALSE); |
| } |
| |
| /********************************************************************* |
| * |
| * EditWndProcW |
| */ |
| static LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) |
| { |
| return EditWndProc_common(hWnd, uMsg, wParam, lParam, TRUE); |
| } |
| |
| /********************************************************************* |
| * edit class descriptor |
| */ |
| static const WCHAR editW[] = {'E','d','i','t',0}; |
| const struct builtin_class_descr EDIT_builtin_class = |
| { |
| editW, /* name */ |
| CS_DBLCLKS | CS_PARENTDC, /* style */ |
| EditWndProcA, /* procA */ |
| EditWndProcW, /* procW */ |
| sizeof(EDITSTATE *), /* extra */ |
| IDC_IBEAM, /* cursor */ |
| 0 /* brush */ |
| }; |