| /* File: button.c -- Button type widgets |
| * |
| * Copyright (C) 1993 Johannes Ruscheinski |
| * Copyright (C) 1993 David Metcalfe |
| * Copyright (C) 1994 Alexandre Julliard |
| */ |
| |
| #include <string.h> |
| #include <stdlib.h> /* for abs() */ |
| #include "win.h" |
| #include "winbase.h" |
| #include "windef.h" |
| #include "wingdi.h" |
| #include "wine/winuser16.h" |
| #include "controls.h" |
| #include "user.h" |
| |
| /* Note: under MS-Windows, state is a BYTE and this structure is |
| * only 3 bytes long. I don't think there are programs out there |
| * broken enough to rely on this :-) |
| */ |
| typedef struct |
| { |
| WORD state; /* Current state */ |
| HFONT16 hFont; /* Button font (or 0 for system font) */ |
| HANDLE hImage; /* Handle to the image or the icon */ |
| } BUTTONINFO; |
| |
| /* Button state values */ |
| #define BUTTON_UNCHECKED 0x00 |
| #define BUTTON_CHECKED 0x01 |
| #define BUTTON_3STATE 0x02 |
| #define BUTTON_HIGHLIGHTED 0x04 |
| #define BUTTON_HASFOCUS 0x08 |
| #define BUTTON_NSTATES 0x0F |
| /* undocumented flags */ |
| #define BUTTON_BTNPRESSED 0x40 |
| #define BUTTON_UNKNOWN2 0x20 |
| #define BUTTON_UNKNOWN3 0x10 |
| |
| static void PB_Paint( WND *wndPtr, HDC hDC, WORD action ); |
| static void CB_Paint( WND *wndPtr, HDC hDC, WORD action ); |
| static void GB_Paint( WND *wndPtr, HDC hDC, WORD action ); |
| static void UB_Paint( WND *wndPtr, HDC hDC, WORD action ); |
| static void OB_Paint( WND *wndPtr, HDC hDC, WORD action ); |
| static void BUTTON_CheckAutoRadioButton( WND *wndPtr ); |
| static void BUTTON_DrawPushButton( WND *wndPtr, HDC hDC, WORD action, BOOL pushedState); |
| static LRESULT WINAPI ButtonWndProcA( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ); |
| static LRESULT WINAPI ButtonWndProcW( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ); |
| |
| #define MAX_BTN_TYPE 12 |
| |
| static const WORD maxCheckState[MAX_BTN_TYPE] = |
| { |
| BUTTON_UNCHECKED, /* BS_PUSHBUTTON */ |
| BUTTON_UNCHECKED, /* BS_DEFPUSHBUTTON */ |
| BUTTON_CHECKED, /* BS_CHECKBOX */ |
| BUTTON_CHECKED, /* BS_AUTOCHECKBOX */ |
| BUTTON_CHECKED, /* BS_RADIOBUTTON */ |
| BUTTON_3STATE, /* BS_3STATE */ |
| BUTTON_3STATE, /* BS_AUTO3STATE */ |
| BUTTON_UNCHECKED, /* BS_GROUPBOX */ |
| BUTTON_UNCHECKED, /* BS_USERBUTTON */ |
| BUTTON_CHECKED, /* BS_AUTORADIOBUTTON */ |
| BUTTON_UNCHECKED, /* Not defined */ |
| BUTTON_UNCHECKED /* BS_OWNERDRAW */ |
| }; |
| |
| typedef void (*pfPaint)( WND *wndPtr, HDC hdc, WORD action ); |
| |
| static const pfPaint btnPaintFunc[MAX_BTN_TYPE] = |
| { |
| PB_Paint, /* BS_PUSHBUTTON */ |
| PB_Paint, /* BS_DEFPUSHBUTTON */ |
| CB_Paint, /* BS_CHECKBOX */ |
| CB_Paint, /* BS_AUTOCHECKBOX */ |
| CB_Paint, /* BS_RADIOBUTTON */ |
| CB_Paint, /* BS_3STATE */ |
| CB_Paint, /* BS_AUTO3STATE */ |
| GB_Paint, /* BS_GROUPBOX */ |
| UB_Paint, /* BS_USERBUTTON */ |
| CB_Paint, /* BS_AUTORADIOBUTTON */ |
| NULL, /* Not defined */ |
| OB_Paint /* BS_OWNERDRAW */ |
| }; |
| |
| #define PAINT_BUTTON(wndPtr,style,action) \ |
| if (btnPaintFunc[style]) { \ |
| HDC hdc = GetDC( (wndPtr)->hwndSelf ); \ |
| (btnPaintFunc[style])(wndPtr,hdc,action); \ |
| ReleaseDC( (wndPtr)->hwndSelf, hdc ); } |
| |
| #define BUTTON_SEND_CTLCOLOR(wndPtr,hdc) \ |
| SendMessageW( GetParent((wndPtr)->hwndSelf), WM_CTLCOLORBTN, \ |
| (hdc), (wndPtr)->hwndSelf ) |
| |
| static HBITMAP hbitmapCheckBoxes = 0; |
| static WORD checkBoxWidth = 0, checkBoxHeight = 0; |
| |
| |
| /********************************************************************* |
| * button class descriptor |
| */ |
| const struct builtin_class_descr BUTTON_builtin_class = |
| { |
| "Button", /* name */ |
| CS_GLOBALCLASS | CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW | CS_PARENTDC, /* style */ |
| ButtonWndProcA, /* procA */ |
| ButtonWndProcW, /* procW */ |
| sizeof(BUTTONINFO), /* extra */ |
| IDC_ARROWA, /* cursor */ |
| 0 /* brush */ |
| }; |
| |
| |
| /*********************************************************************** |
| * ButtonWndProc_locked |
| * |
| * Called with window lock held. |
| */ |
| static inline LRESULT WINAPI ButtonWndProc_locked(WND* wndPtr, UINT uMsg, |
| WPARAM wParam, LPARAM lParam, BOOL unicode ) |
| { |
| RECT rect; |
| HWND hWnd = wndPtr->hwndSelf; |
| POINT pt; |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| LONG style = wndPtr->dwStyle & 0x0f; |
| HANDLE oldHbitmap; |
| |
| pt.x = LOWORD(lParam); |
| pt.y = HIWORD(lParam); |
| |
| switch (uMsg) |
| { |
| case WM_GETDLGCODE: |
| switch(style) |
| { |
| case BS_PUSHBUTTON: return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON; |
| case BS_DEFPUSHBUTTON: return DLGC_BUTTON | DLGC_DEFPUSHBUTTON; |
| case BS_RADIOBUTTON: |
| case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON; |
| default: return DLGC_BUTTON; |
| } |
| |
| case WM_ENABLE: |
| PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE ); |
| break; |
| |
| case WM_CREATE: |
| if (!hbitmapCheckBoxes) |
| { |
| BITMAP bmp; |
| hbitmapCheckBoxes = LoadBitmapW(0, MAKEINTRESOURCEW(OBM_CHECKBOXES)); |
| GetObjectW( hbitmapCheckBoxes, sizeof(bmp), &bmp ); |
| checkBoxWidth = bmp.bmWidth / 4; |
| checkBoxHeight = bmp.bmHeight / 3; |
| } |
| if (style < 0L || style >= MAX_BTN_TYPE) |
| return -1; /* abort */ |
| infoPtr->state = BUTTON_UNCHECKED; |
| infoPtr->hFont = 0; |
| infoPtr->hImage = 0; |
| return 0; |
| |
| case WM_ERASEBKGND: |
| return 1; |
| |
| case WM_PAINT: |
| if (btnPaintFunc[style]) |
| { |
| PAINTSTRUCT ps; |
| HDC hdc = wParam ? (HDC)wParam : BeginPaint( hWnd, &ps ); |
| int nOldMode = SetBkMode( hdc, OPAQUE ); |
| (btnPaintFunc[style])( wndPtr, hdc, ODA_DRAWENTIRE ); |
| SetBkMode(hdc, nOldMode); /* reset painting mode */ |
| if( !wParam ) EndPaint( hWnd, &ps ); |
| } |
| break; |
| |
| case WM_KEYDOWN: |
| if (wParam == VK_SPACE) |
| { |
| SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 ); |
| infoPtr->state |= BUTTON_BTNPRESSED; |
| } |
| break; |
| |
| case WM_LBUTTONDBLCLK: |
| if(wndPtr->dwStyle & BS_NOTIFY || |
| style==BS_RADIOBUTTON || |
| style==BS_USERBUTTON || |
| style==BS_OWNERDRAW) { |
| SendMessageW( GetParent(hWnd), WM_COMMAND, |
| MAKEWPARAM( wndPtr->wIDmenu, BN_DOUBLECLICKED ), hWnd); |
| break; |
| } |
| /* fall through */ |
| case WM_LBUTTONDOWN: |
| SetCapture( hWnd ); |
| SetFocus( hWnd ); |
| SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 ); |
| infoPtr->state |= BUTTON_BTNPRESSED; |
| break; |
| |
| case WM_KEYUP: |
| if (wParam != VK_SPACE) |
| break; |
| /* fall through */ |
| case WM_LBUTTONUP: |
| if (!(infoPtr->state & BUTTON_BTNPRESSED)) break; |
| infoPtr->state &= BUTTON_NSTATES; |
| if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) { |
| ReleaseCapture(); |
| break; |
| } |
| SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 ); |
| ReleaseCapture(); |
| GetClientRect( hWnd, &rect ); |
| if (uMsg == WM_KEYUP || PtInRect( &rect, pt )) |
| { |
| switch(style) |
| { |
| case BS_AUTOCHECKBOX: |
| SendMessageW( hWnd, BM_SETCHECK, |
| !(infoPtr->state & BUTTON_CHECKED), 0 ); |
| break; |
| case BS_AUTORADIOBUTTON: |
| SendMessageW( hWnd, BM_SETCHECK, TRUE, 0 ); |
| break; |
| case BS_AUTO3STATE: |
| SendMessageW( hWnd, BM_SETCHECK, |
| (infoPtr->state & BUTTON_3STATE) ? 0 : |
| ((infoPtr->state & 3) + 1), 0 ); |
| break; |
| } |
| SendMessageW( GetParent(hWnd), WM_COMMAND, |
| MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd); |
| } |
| break; |
| |
| case WM_CAPTURECHANGED: |
| if (infoPtr->state & BUTTON_BTNPRESSED) { |
| infoPtr->state &= BUTTON_NSTATES; |
| if (infoPtr->state & BUTTON_HIGHLIGHTED) |
| SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 ); |
| } |
| break; |
| |
| case WM_MOUSEMOVE: |
| if (GetCapture() == hWnd) |
| { |
| GetClientRect( hWnd, &rect ); |
| SendMessageW( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 ); |
| } |
| break; |
| |
| case WM_SETTEXT: |
| if (unicode) DEFWND_SetTextW( wndPtr, (LPCWSTR)lParam ); |
| else DEFWND_SetTextA( wndPtr, (LPCSTR)lParam ); |
| if( wndPtr->dwStyle & WS_VISIBLE ) |
| PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE ); |
| return 1; /* success. FIXME: check text length */ |
| |
| case WM_SETFONT: |
| infoPtr->hFont = (HFONT16)wParam; |
| if (lParam && (wndPtr->dwStyle & WS_VISIBLE)) |
| PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE ); |
| break; |
| |
| case WM_GETFONT: |
| return infoPtr->hFont; |
| |
| case WM_SETFOCUS: |
| if ((style == BS_RADIOBUTTON || style == BS_AUTORADIOBUTTON) && (GetCapture() != hWnd) && |
| !(SendMessageW(hWnd, BM_GETCHECK, 0, 0) & BST_CHECKED)) |
| { |
| /* The notification is sent when the button (BS_AUTORADIOBUTTON) |
| is unchecked and the focus was not given by a mouse click. */ |
| if (style == BS_AUTORADIOBUTTON) |
| SendMessageW( hWnd, BM_SETCHECK, BUTTON_CHECKED, 0 ); |
| SendMessageW( GetParent(hWnd), WM_COMMAND, |
| MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd); |
| } |
| infoPtr->state |= BUTTON_HASFOCUS; |
| PAINT_BUTTON( wndPtr, style, ODA_FOCUS ); |
| break; |
| |
| case WM_KILLFOCUS: |
| infoPtr->state &= ~BUTTON_HASFOCUS; |
| PAINT_BUTTON( wndPtr, style, ODA_FOCUS ); |
| InvalidateRect( hWnd, NULL, TRUE ); |
| break; |
| |
| case WM_SYSCOLORCHANGE: |
| InvalidateRect( hWnd, NULL, FALSE ); |
| break; |
| |
| case BM_SETSTYLE16: |
| case BM_SETSTYLE: |
| if ((wParam & 0x0f) >= MAX_BTN_TYPE) break; |
| wndPtr->dwStyle = (wndPtr->dwStyle & 0xfffffff0) |
| | (wParam & 0x0000000f); |
| style = wndPtr->dwStyle & 0x0000000f; |
| |
| /* Only redraw if lParam flag is set.*/ |
| if (lParam) |
| PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE ); |
| |
| break; |
| |
| case BM_CLICK: |
| SendMessageW( hWnd, WM_LBUTTONDOWN, 0, 0 ); |
| SendMessageW( hWnd, WM_LBUTTONUP, 0, 0 ); |
| break; |
| |
| case BM_SETIMAGE: |
| /* Check that image format confirm button style */ |
| if ((wndPtr->dwStyle & (BS_BITMAP|BS_ICON)) == BS_BITMAP) |
| { |
| if (wParam != (WPARAM) IMAGE_BITMAP) |
| return (HICON)0; |
| } |
| else if ((wndPtr->dwStyle & (BS_BITMAP|BS_ICON)) == BS_ICON) |
| { |
| if (wParam != (WPARAM) IMAGE_ICON) |
| return (HICON)0; |
| } else |
| return (HICON)0; |
| |
| oldHbitmap = infoPtr->hImage; |
| infoPtr->hImage = (HANDLE) lParam; |
| InvalidateRect( hWnd, NULL, FALSE ); |
| return oldHbitmap; |
| |
| case BM_GETIMAGE: |
| if ((wndPtr->dwStyle & (BS_BITMAP|BS_ICON)) == BS_BITMAP) |
| { |
| if (wParam != (WPARAM) IMAGE_BITMAP) |
| return (HICON)0; |
| } |
| else if ((wndPtr->dwStyle & (BS_BITMAP|BS_ICON)) == BS_ICON) |
| { |
| if (wParam != (WPARAM) IMAGE_ICON) |
| return (HICON)0; |
| } else |
| return (HICON)0; |
| return infoPtr->hImage; |
| |
| case BM_GETCHECK16: |
| case BM_GETCHECK: |
| return infoPtr->state & 3; |
| |
| case BM_SETCHECK16: |
| case BM_SETCHECK: |
| if (wParam > maxCheckState[style]) wParam = maxCheckState[style]; |
| if ((infoPtr->state & 3) != wParam) |
| { |
| if ((style == BS_RADIOBUTTON) || (style == BS_AUTORADIOBUTTON)) |
| { |
| if (wParam) |
| wndPtr->dwStyle |= WS_TABSTOP; |
| else |
| wndPtr->dwStyle &= ~WS_TABSTOP; |
| } |
| infoPtr->state = (infoPtr->state & ~3) | wParam; |
| PAINT_BUTTON( wndPtr, style, ODA_SELECT ); |
| } |
| if ((style == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED)) |
| BUTTON_CheckAutoRadioButton( wndPtr ); |
| break; |
| |
| case BM_GETSTATE16: |
| case BM_GETSTATE: |
| return infoPtr->state; |
| |
| case BM_SETSTATE16: |
| case BM_SETSTATE: |
| if (wParam) |
| { |
| if (infoPtr->state & BUTTON_HIGHLIGHTED) break; |
| infoPtr->state |= BUTTON_HIGHLIGHTED; |
| } |
| else |
| { |
| if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break; |
| infoPtr->state &= ~BUTTON_HIGHLIGHTED; |
| } |
| PAINT_BUTTON( wndPtr, style, ODA_SELECT ); |
| break; |
| |
| case WM_NCHITTEST: |
| if(style == BS_GROUPBOX) return HTTRANSPARENT; |
| /* fall through */ |
| default: |
| return unicode ? DefWindowProcW(hWnd, uMsg, wParam, lParam) : |
| DefWindowProcA(hWnd, uMsg, wParam, lParam); |
| } |
| return 0; |
| } |
| |
| /*********************************************************************** |
| * ButtonWndProcW |
| * The button window procedure. This is just a wrapper which locks |
| * the passed HWND and calls the real window procedure (with a WND* |
| * pointer pointing to the locked windowstructure). |
| */ |
| static LRESULT WINAPI ButtonWndProcW( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) |
| { |
| LRESULT res = 0; |
| WND *wndPtr = WIN_FindWndPtr(hWnd); |
| |
| if (wndPtr) |
| { |
| res = ButtonWndProc_locked(wndPtr,uMsg,wParam,lParam,TRUE); |
| WIN_ReleaseWndPtr(wndPtr); |
| } |
| return res; |
| } |
| |
| |
| /*********************************************************************** |
| * ButtonWndProcA |
| */ |
| static LRESULT WINAPI ButtonWndProcA( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) |
| { |
| LRESULT res = 0; |
| WND *wndPtr = WIN_FindWndPtr(hWnd); |
| |
| if (wndPtr) |
| { |
| res = ButtonWndProc_locked(wndPtr,uMsg,wParam,lParam,FALSE); |
| WIN_ReleaseWndPtr(wndPtr); |
| } |
| return res; |
| } |
| |
| |
| /********************************************************************** |
| * Push Button Functions |
| */ |
| static void PB_Paint( WND *wndPtr, HDC hDC, WORD action ) |
| { |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| BOOL bHighLighted = (infoPtr->state & BUTTON_HIGHLIGHTED); |
| |
| /* |
| * Delegate this to the more generic pushbutton painting |
| * method. |
| */ |
| BUTTON_DrawPushButton(wndPtr, |
| hDC, |
| action, |
| bHighLighted); |
| } |
| |
| /********************************************************************** |
| * Convert button styles to flags used by DrawText. |
| * TODO: handle WS_EX_RIGHT extended style. |
| */ |
| static UINT BUTTON_BStoDT(DWORD style) |
| { |
| UINT dtStyle = DT_NOCLIP; /* We use SelectClipRgn to limit output */ |
| |
| /* "Convert" pushlike buttons to pushbuttons */ |
| if (style & BS_PUSHLIKE) |
| style &= ~0x0F; |
| |
| if (!(style & BS_MULTILINE)) |
| dtStyle |= DT_SINGLELINE; |
| else |
| dtStyle |= DT_WORDBREAK; |
| |
| switch (style & BS_CENTER) |
| { |
| case BS_LEFT: /* DT_LEFT is 0 */ break; |
| case BS_RIGHT: dtStyle |= DT_RIGHT; break; |
| case BS_CENTER: dtStyle |= DT_CENTER; break; |
| default: |
| /* Pushbutton's text is centered by default */ |
| if ((style & 0x0F) <= BS_DEFPUSHBUTTON) |
| dtStyle |= DT_CENTER; |
| /* all other flavours have left aligned text */ |
| } |
| |
| /* DrawText ignores vertical alignment for multiline text, |
| * but we use these flags to align label manualy. |
| */ |
| if ((style & 0x0F) != BS_GROUPBOX) |
| { |
| switch (style & BS_VCENTER) |
| { |
| case BS_TOP: /* DT_TOP is 0 */ break; |
| case BS_BOTTOM: dtStyle |= DT_BOTTOM; break; |
| case BS_VCENTER: /* fall through */ |
| default: dtStyle |= DT_VCENTER; break; |
| } |
| } |
| else |
| /* GroupBox's text is always single line and is top aligned. */ |
| dtStyle |= DT_SINGLELINE; |
| |
| return dtStyle; |
| } |
| |
| /********************************************************************** |
| * BUTTON_CalcLabelRect |
| * |
| * Calculates label's rectangle depending on button style. |
| * |
| * Returns flags to be passed to DrawText. |
| * Calculated rectangle doesn't take into account button state |
| * (pushed, etc.). If there is nothing to draw (no text/image) output |
| * rectangle is empty, and return value is (UINT)-1. |
| */ |
| static UINT BUTTON_CalcLabelRect(WND *wndPtr, HDC hdc, RECT *rc) |
| { |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| ICONINFO iconInfo; |
| BITMAP bm; |
| UINT dtStyle = BUTTON_BStoDT(wndPtr->dwStyle); |
| RECT r = *rc; |
| INT n; |
| |
| /* Calculate label rectangle according to label type */ |
| switch (wndPtr->dwStyle & (BS_ICON|BS_BITMAP)) |
| { |
| case BS_TEXT: |
| if (wndPtr->text && wndPtr->text[0]) |
| DrawTextW(hdc, wndPtr->text, -1, &r, dtStyle | DT_CALCRECT); |
| else |
| goto empty_rect; |
| break; |
| |
| case BS_ICON: |
| if (!GetIconInfo((HICON)infoPtr->hImage, &iconInfo)) |
| goto empty_rect; |
| |
| GetObjectW (iconInfo.hbmColor, sizeof(BITMAP), &bm); |
| |
| r.right = r.left + bm.bmWidth; |
| r.bottom = r.top + bm.bmHeight; |
| |
| DeleteObject(iconInfo.hbmColor); |
| DeleteObject(iconInfo.hbmMask); |
| break; |
| |
| case BS_BITMAP: |
| if (!GetObjectW (infoPtr->hImage, sizeof(BITMAP), &bm)) |
| goto empty_rect; |
| |
| r.right = r.left + bm.bmWidth; |
| r.bottom = r.top + bm.bmHeight; |
| break; |
| |
| default: |
| empty_rect: |
| r.right = r.left; |
| r.bottom = r.top; |
| return (UINT)(LONG)-1; |
| } |
| |
| /* Position label inside bounding rectangle according to |
| * alignment flags. (calculated rect is always left-top aligned). |
| * If label is aligned to any side - shift label in opposite |
| * direction to leave extra space for focus rectangle. |
| */ |
| switch (dtStyle & (DT_CENTER|DT_RIGHT)) |
| { |
| case DT_LEFT: r.left++; r.right++; break; |
| case DT_CENTER: n = r.right - r.left; |
| r.left = rc->left + ((rc->right - rc->left) - n) / 2; |
| r.right = r.left + n; break; |
| case DT_RIGHT: n = r.right - r.left; |
| r.right = rc->right - 1; |
| r.left = r.right - n; |
| break; |
| } |
| |
| switch (dtStyle & (DT_VCENTER|DT_BOTTOM)) |
| { |
| case DT_TOP: r.top++; r.bottom++; break; |
| case DT_VCENTER: n = r.bottom - r.top; |
| r.top = rc->top + ((rc->bottom - rc->top) - n) / 2; |
| r.bottom = r.top + n; break; |
| case DT_BOTTOM: n = r.bottom - r.top; |
| r.bottom = rc->bottom - 1; |
| r.top = r.bottom - n; |
| break; |
| } |
| |
| *rc = r; |
| return dtStyle; |
| } |
| |
| |
| /********************************************************************** |
| * BUTTON_DrawTextCallback |
| * |
| * Callback function used by DrawStateW function. |
| */ |
| static BOOL CALLBACK BUTTON_DrawTextCallback(HDC hdc, LPARAM lp, WPARAM wp, int cx, int cy) |
| { |
| RECT rc; |
| rc.left = 0; |
| rc.top = 0; |
| rc.right = cx; |
| rc.bottom = cy; |
| |
| DrawTextW(hdc, (LPCWSTR)lp, -1, &rc, (UINT)wp); |
| return TRUE; |
| } |
| |
| |
| /********************************************************************** |
| * BUTTON_DrawLabel |
| * |
| * Common function for drawing button label. |
| */ |
| static void BUTTON_DrawLabel(WND *wndPtr, HDC hdc, UINT dtFlags, RECT *rc) |
| { |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| DRAWSTATEPROC lpOutputProc = NULL; |
| LPARAM lp; |
| WPARAM wp = 0; |
| HBRUSH hbr = 0; |
| UINT flags = IsWindowEnabled(wndPtr->hwndSelf) ? DSS_NORMAL : DSS_DISABLED; |
| |
| /* Fixme: To draw disabled label in Win31 look-and-feel, we probably |
| * must use DSS_MONO flag and COLOR_GRAYTEXT brush (or maybe DSS_UNION). |
| * I don't have Win31 on hand to verify that, so I leave it as is. |
| */ |
| |
| if ((wndPtr->dwStyle & BS_PUSHLIKE) && (infoPtr->state & BUTTON_3STATE)) |
| { |
| hbr = GetSysColorBrush(COLOR_GRAYTEXT); |
| flags |= DSS_MONO; |
| } |
| |
| switch (wndPtr->dwStyle & (BS_ICON|BS_BITMAP)) |
| { |
| case BS_TEXT: |
| /* DST_COMPLEX -- is 0 */ |
| lpOutputProc = BUTTON_DrawTextCallback; |
| lp = (LPARAM)wndPtr->text; |
| wp = (WPARAM)dtFlags; |
| break; |
| |
| case BS_ICON: |
| flags |= DST_ICON; |
| lp = (LPARAM)infoPtr->hImage; |
| break; |
| |
| case BS_BITMAP: |
| flags |= DST_BITMAP; |
| lp = (LPARAM)infoPtr->hImage; |
| break; |
| |
| default: |
| return; |
| } |
| |
| DrawStateW(hdc, hbr, lpOutputProc, lp, wp, rc->left, rc->top, |
| rc->right - rc->left, rc->bottom - rc->top, flags); |
| } |
| |
| /********************************************************************** |
| * This method will actually do the drawing of the pushbutton |
| * depending on it's state and the pushedState parameter. |
| */ |
| static void BUTTON_DrawPushButton( |
| WND* wndPtr, |
| HDC hDC, |
| WORD action, |
| BOOL pushedState ) |
| { |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| RECT rc, focus_rect, r; |
| UINT dtFlags; |
| HRGN hRgn; |
| HPEN hOldPen; |
| HBRUSH hOldBrush; |
| INT oldBkMode; |
| COLORREF oldTxtColor; |
| |
| GetClientRect( wndPtr->hwndSelf, &rc ); |
| |
| /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */ |
| if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont ); |
| BUTTON_SEND_CTLCOLOR( wndPtr, hDC ); |
| hOldPen = (HPEN)SelectObject(hDC, GetSysColorPen(COLOR_WINDOWFRAME)); |
| hOldBrush =(HBRUSH)SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE)); |
| oldBkMode = SetBkMode(hDC, TRANSPARENT); |
| |
| if ( TWEAK_WineLook == WIN31_LOOK) |
| { |
| COLORREF clr_wnd = GetSysColor(COLOR_WINDOW); |
| Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom); |
| |
| SetPixel( hDC, rc.left, rc.top, clr_wnd); |
| SetPixel( hDC, rc.left, rc.bottom-1, clr_wnd); |
| SetPixel( hDC, rc.right-1, rc.top, clr_wnd); |
| SetPixel( hDC, rc.right-1, rc.bottom-1, clr_wnd); |
| InflateRect( &rc, -1, -1 ); |
| } |
| |
| if ((wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON) |
| { |
| Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom); |
| InflateRect( &rc, -1, -1 ); |
| } |
| |
| if (TWEAK_WineLook == WIN31_LOOK) |
| { |
| if (pushedState) |
| { |
| /* draw button shadow: */ |
| SelectObject(hDC, GetSysColorBrush(COLOR_BTNSHADOW)); |
| PatBlt(hDC, rc.left, rc.top, 1, rc.bottom-rc.top, PATCOPY ); |
| PatBlt(hDC, rc.left, rc.top, rc.right-rc.left, 1, PATCOPY ); |
| } else { |
| rc.right++, rc.bottom++; |
| DrawEdge( hDC, &rc, EDGE_RAISED, BF_RECT ); |
| rc.right--, rc.bottom--; |
| } |
| } |
| else |
| { |
| UINT uState = DFCS_BUTTONPUSH | DFCS_ADJUSTRECT; |
| |
| if (wndPtr->dwStyle & BS_FLAT) |
| uState |= DFCS_MONO; |
| else if (pushedState) |
| { |
| if ( (wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON ) |
| uState |= DFCS_FLAT; |
| else |
| uState |= DFCS_PUSHED; |
| } |
| |
| if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) |
| uState |= DFCS_CHECKED; |
| |
| DrawFrameControl( hDC, &rc, DFC_BUTTON, uState ); |
| |
| focus_rect = rc; |
| } |
| |
| /* draw button label */ |
| r = rc; |
| dtFlags = BUTTON_CalcLabelRect(wndPtr, hDC, &r); |
| |
| if (dtFlags == (UINT)-1L) |
| goto cleanup; |
| |
| if (pushedState) |
| OffsetRect(&r, 1, 1); |
| |
| if(TWEAK_WineLook == WIN31_LOOK) |
| { |
| focus_rect = r; |
| InflateRect(&focus_rect, 2, 0); |
| } |
| |
| hRgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom); |
| SelectClipRgn(hDC, hRgn); |
| |
| oldTxtColor = SetTextColor( hDC, GetSysColor(COLOR_BTNTEXT) ); |
| |
| BUTTON_DrawLabel(wndPtr, hDC, dtFlags, &r); |
| |
| SetTextColor( hDC, oldTxtColor ); |
| SelectClipRgn(hDC, 0); |
| DeleteObject(hRgn); |
| |
| if (infoPtr->state & BUTTON_HASFOCUS) |
| { |
| InflateRect( &focus_rect, -1, -1 ); |
| IntersectRect(&focus_rect, &focus_rect, &rc); |
| DrawFocusRect( hDC, &focus_rect ); |
| } |
| |
| cleanup: |
| SelectObject( hDC, hOldPen ); |
| SelectObject( hDC, hOldBrush ); |
| SetBkMode(hDC, oldBkMode); |
| } |
| |
| /********************************************************************** |
| * Check Box & Radio Button Functions |
| */ |
| |
| static void CB_Paint( WND *wndPtr, HDC hDC, WORD action ) |
| { |
| RECT rbox, rtext, client; |
| HBRUSH hBrush; |
| int delta; |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| UINT dtFlags; |
| HRGN hRgn; |
| |
| if (wndPtr->dwStyle & BS_PUSHLIKE) |
| { |
| BOOL bHighLighted = (infoPtr->state & BUTTON_HIGHLIGHTED); |
| |
| BUTTON_DrawPushButton(wndPtr, |
| hDC, |
| action, |
| bHighLighted); |
| return; |
| } |
| |
| GetClientRect(wndPtr->hwndSelf, &client); |
| rbox = rtext = client; |
| |
| if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont ); |
| |
| /* GetControlBrush16 sends WM_CTLCOLORBTN, plus it returns default brush |
| * if parent didn't return valid one. So we kill two hares at once |
| */ |
| hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN ); |
| |
| if (wndPtr->dwStyle & BS_LEFTTEXT) |
| { |
| /* magic +4 is what CTL3D expects */ |
| |
| rtext.right -= checkBoxWidth + 4; |
| rbox.left = rbox.right - checkBoxWidth; |
| } |
| else |
| { |
| rtext.left += checkBoxWidth + 4; |
| rbox.right = checkBoxWidth; |
| } |
| |
| /* Draw the check-box bitmap */ |
| if (action == ODA_DRAWENTIRE || action == ODA_SELECT) |
| { |
| /* Since WM_ERASEBKGND does nothing, first prepare background */ |
| if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush ); |
| else FillRect( hDC, &client, hBrush ); |
| |
| if( TWEAK_WineLook == WIN31_LOOK ) |
| { |
| HDC hMemDC = CreateCompatibleDC( hDC ); |
| int x = 0, y = 0; |
| delta = (rbox.bottom - rbox.top - checkBoxHeight) / 2; |
| |
| /* Check in case the client area is smaller than the checkbox bitmap */ |
| if (delta < 0) delta = 0; |
| |
| if (infoPtr->state & BUTTON_HIGHLIGHTED) x += 2 * checkBoxWidth; |
| if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) x += checkBoxWidth; |
| if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) || |
| ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) y += checkBoxHeight; |
| else if (infoPtr->state & BUTTON_3STATE) y += 2 * checkBoxHeight; |
| |
| /* The bitmap for the radio button is not aligned with the |
| * left of the window, it is 1 pixel off. */ |
| if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) || |
| ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) |
| rbox.left += 1; |
| |
| SelectObject( hMemDC, hbitmapCheckBoxes ); |
| BitBlt( hDC, rbox.left, rbox.top + delta, checkBoxWidth, |
| checkBoxHeight, hMemDC, x, y, SRCCOPY ); |
| DeleteDC( hMemDC ); |
| } |
| else |
| { |
| UINT state; |
| |
| if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) || |
| ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) state = DFCS_BUTTONRADIO; |
| else if (infoPtr->state & BUTTON_3STATE) state = DFCS_BUTTON3STATE; |
| else state = DFCS_BUTTONCHECK; |
| |
| if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) state |= DFCS_CHECKED; |
| |
| if (infoPtr->state & BUTTON_HIGHLIGHTED) state |= DFCS_PUSHED; |
| |
| if (wndPtr->dwStyle & WS_DISABLED) state |= DFCS_INACTIVE; |
| |
| /* rbox must have the correct height */ |
| delta = rbox.bottom - rbox.top - checkBoxHeight; |
| if (delta > 0) |
| { |
| int ofs = (abs(delta) / 2); |
| rbox.bottom -= ofs + 1; |
| rbox.top = rbox.bottom - checkBoxHeight; |
| } |
| else if (delta < 0) |
| { |
| int ofs = (abs(delta) / 2); |
| rbox.top -= ofs + 1; |
| rbox.bottom = rbox.top + checkBoxHeight; |
| } |
| |
| DrawFrameControl( hDC, &rbox, DFC_BUTTON, state ); |
| } |
| } |
| |
| /* Draw label */ |
| client = rtext; |
| dtFlags = BUTTON_CalcLabelRect(wndPtr, hDC, &rtext); |
| |
| if (dtFlags == (UINT)-1L) /* Noting to draw */ |
| return; |
| hRgn = CreateRectRgn(client.left, client.top, client.right, client.bottom); |
| SelectClipRgn(hDC, hRgn); |
| DeleteObject(hRgn); |
| |
| if (action == ODA_DRAWENTIRE) |
| BUTTON_DrawLabel(wndPtr, hDC, dtFlags, &rtext); |
| |
| /* ... and focus */ |
| if ((action == ODA_FOCUS) || |
| ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS))) |
| { |
| rtext.left--; |
| rtext.right++; |
| IntersectRect(&rtext, &rtext, &client); |
| DrawFocusRect( hDC, &rtext ); |
| } |
| SelectClipRgn(hDC, 0); |
| } |
| |
| |
| /********************************************************************** |
| * BUTTON_CheckAutoRadioButton |
| * |
| * wndPtr is checked, uncheck every other auto radio button in group |
| */ |
| static void BUTTON_CheckAutoRadioButton( WND *wndPtr ) |
| { |
| HWND parent, sibling, start; |
| if (!(wndPtr->dwStyle & WS_CHILD)) return; |
| parent = wndPtr->parent->hwndSelf; |
| /* assure that starting control is not disabled or invisible */ |
| start = sibling = GetNextDlgGroupItem( parent, wndPtr->hwndSelf, TRUE ); |
| do |
| { |
| WND *tmpWnd; |
| if (!sibling) break; |
| tmpWnd = WIN_FindWndPtr(sibling); |
| if ((wndPtr->hwndSelf != sibling) && |
| ((tmpWnd->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) |
| SendMessageW( sibling, BM_SETCHECK, BUTTON_UNCHECKED, 0 ); |
| sibling = GetNextDlgGroupItem( parent, sibling, FALSE ); |
| WIN_ReleaseWndPtr(tmpWnd); |
| } while (sibling != start); |
| } |
| |
| |
| /********************************************************************** |
| * Group Box Functions |
| */ |
| |
| static void GB_Paint( WND *wndPtr, HDC hDC, WORD action ) |
| { |
| RECT rc, rcFrame; |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| HBRUSH hbr; |
| UINT dtFlags; |
| |
| if (action != ODA_DRAWENTIRE) return; |
| |
| if (infoPtr->hFont) |
| SelectObject (hDC, infoPtr->hFont); |
| /* GroupBox acts like static control, so it sends CTLCOLORSTATIC */ |
| hbr = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_STATIC ); |
| |
| |
| GetClientRect( wndPtr->hwndSelf, &rc); |
| if (TWEAK_WineLook == WIN31_LOOK) { |
| HPEN hPrevPen = SelectObject( hDC, |
| GetSysColorPen(COLOR_WINDOWFRAME)); |
| HBRUSH hPrevBrush = SelectObject( hDC, |
| GetStockObject(NULL_BRUSH) ); |
| |
| Rectangle( hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1 ); |
| SelectObject( hDC, hPrevBrush ); |
| SelectObject( hDC, hPrevPen ); |
| } else { |
| TEXTMETRICW tm; |
| rcFrame = rc; |
| |
| GetTextMetricsW (hDC, &tm); |
| rcFrame.top += (tm.tmHeight / 2) - 1; |
| DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT | |
| ((wndPtr->dwStyle & BS_FLAT) ? BF_FLAT : 0)); |
| } |
| |
| InflateRect(&rc, -7, 1); |
| dtFlags = BUTTON_CalcLabelRect(wndPtr, hDC, &rc); |
| |
| if (dtFlags == (UINT)-1L) |
| return; |
| |
| /* Because buttons have CS_PARENTDC class style, there is a chance |
| * that label will be drawn out of client rect. |
| * But Windows doesn't clip label's rect, so do I. |
| */ |
| |
| /* There is 1-pixel marging at the left, right, and bottom */ |
| rc.left--; rc.right++; rc.bottom++; |
| FillRect(hDC, &rc, hbr); |
| rc.left++; rc.right--; rc.bottom--; |
| |
| BUTTON_DrawLabel(wndPtr, hDC, dtFlags, &rc); |
| } |
| |
| |
| /********************************************************************** |
| * User Button Functions |
| */ |
| |
| static void UB_Paint( WND *wndPtr, HDC hDC, WORD action ) |
| { |
| RECT rc; |
| HBRUSH hBrush; |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| |
| if (action == ODA_SELECT) return; |
| |
| GetClientRect( wndPtr->hwndSelf, &rc); |
| |
| if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont ); |
| hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN ); |
| |
| FillRect( hDC, &rc, hBrush ); |
| if ((action == ODA_FOCUS) || |
| ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS))) |
| DrawFocusRect( hDC, &rc ); |
| } |
| |
| |
| /********************************************************************** |
| * Ownerdrawn Button Functions |
| */ |
| |
| static void OB_Paint( WND *wndPtr, HDC hDC, WORD action ) |
| { |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| DRAWITEMSTRUCT dis; |
| HRGN clipRegion; |
| RECT clipRect; |
| |
| dis.CtlType = ODT_BUTTON; |
| dis.CtlID = wndPtr->wIDmenu; |
| dis.itemID = 0; |
| dis.itemAction = action; |
| dis.itemState = ((infoPtr->state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0) | |
| ((infoPtr->state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0) | |
| (IsWindowEnabled(wndPtr->hwndSelf) ? 0: ODS_DISABLED); |
| dis.hwndItem = wndPtr->hwndSelf; |
| dis.hDC = hDC; |
| dis.itemData = 0; |
| GetClientRect( wndPtr->hwndSelf, &dis.rcItem ); |
| |
| clipRegion = CreateRectRgnIndirect(&dis.rcItem); |
| if (GetClipRgn(hDC, clipRegion) != 1) |
| { |
| DeleteObject(clipRegion); |
| clipRegion=(HRGN)NULL; |
| } |
| clipRect = dis.rcItem; |
| DPtoLP(hDC, (LPPOINT) &clipRect, 2); |
| IntersectClipRect(hDC, clipRect.left, clipRect.top, clipRect.right, clipRect.bottom); |
| |
| SetBkColor( hDC, GetSysColor( COLOR_BTNFACE ) ); |
| |
| SendMessageW( GetParent(wndPtr->hwndSelf), WM_DRAWITEM, |
| wndPtr->wIDmenu, (LPARAM)&dis ); |
| |
| SelectClipRgn(hDC, clipRegion); |
| } |
| |
