| /* |
| * Theming - Button control |
| * |
| * Copyright (c) 2008 by Reece H. Dunn |
| * |
| * 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 |
| * |
| */ |
| |
| #include <stdarg.h> |
| #include <string.h> |
| #include <stdlib.h> |
| |
| #include "windef.h" |
| #include "winbase.h" |
| #include "wingdi.h" |
| #include "winuser.h" |
| #include "uxtheme.h" |
| #include "vssym32.h" |
| #include "comctl32.h" |
| |
| #include "wine/debug.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(theme_button); |
| |
| #define BUTTON_TYPE 0x0f /* bit mask for the available button types */ |
| |
| /* These are indices into a states array to determine the theme state for a given theme part. */ |
| typedef enum |
| { |
| STATE_NORMAL, |
| STATE_DISABLED, |
| STATE_HOT, |
| STATE_PRESSED, |
| STATE_DEFAULTED |
| } ButtonState; |
| |
| typedef void (*pfThemedPaint)(HTHEME theme, HWND hwnd, HDC hdc, ButtonState drawState, UINT dtFlags, BOOL focused); |
| |
| static UINT get_drawtext_flags(DWORD style, DWORD ex_style) |
| { |
| UINT flags = 0; |
| |
| if (style & BS_PUSHLIKE) |
| style &= ~BUTTON_TYPE; |
| |
| if (!(style & BS_MULTILINE)) |
| flags |= DT_SINGLELINE; |
| else |
| flags |= DT_WORDBREAK; |
| |
| switch (style & BS_CENTER) |
| { |
| case BS_LEFT: flags |= DT_LEFT; break; |
| case BS_RIGHT: flags |= DT_RIGHT; break; |
| case BS_CENTER: flags |= DT_CENTER; break; |
| default: |
| flags |= ((style & BUTTON_TYPE) <= BS_DEFPUSHBUTTON) |
| ? DT_CENTER : DT_LEFT; |
| } |
| |
| if (ex_style & WS_EX_RIGHT) |
| flags = DT_RIGHT | (flags & ~(DT_LEFT | DT_CENTER)); |
| |
| if ((style & BUTTON_TYPE) != BS_GROUPBOX) |
| { |
| switch (style & BS_VCENTER) |
| { |
| case BS_TOP: flags |= DT_TOP; break; |
| case BS_BOTTOM: flags |= DT_BOTTOM; break; |
| case BS_VCENTER: /* fall through */ |
| default: flags |= DT_VCENTER; break; |
| } |
| } |
| else |
| /* GroupBox's text is always single line and is top aligned. */ |
| flags |= DT_SINGLELINE | DT_TOP; |
| |
| return flags; |
| } |
| |
| static inline WCHAR *get_button_text(HWND hwnd) |
| { |
| INT len = 512; |
| WCHAR *text; |
| text = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR)); |
| if (text) InternalGetWindowText(hwnd, text, len + 1); |
| return text; |
| } |
| |
| static void PB_draw(HTHEME theme, HWND hwnd, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused) |
| { |
| static const int states[] = { PBS_NORMAL, PBS_DISABLED, PBS_HOT, PBS_PRESSED, PBS_DEFAULTED }; |
| |
| RECT bgRect, textRect; |
| HFONT font = (HFONT)SendMessageW(hwnd, WM_GETFONT, 0, 0); |
| HFONT hPrevFont = font ? SelectObject(hDC, font) : NULL; |
| int state = states[ drawState ]; |
| WCHAR *text = get_button_text(hwnd); |
| |
| GetClientRect(hwnd, &bgRect); |
| GetThemeBackgroundContentRect(theme, hDC, BP_PUSHBUTTON, state, &bgRect, &textRect); |
| |
| if (IsThemeBackgroundPartiallyTransparent(theme, BP_PUSHBUTTON, state)) |
| DrawThemeParentBackground(hwnd, hDC, NULL); |
| DrawThemeBackground(theme, hDC, BP_PUSHBUTTON, state, &bgRect, NULL); |
| if (text) |
| { |
| DrawThemeText(theme, hDC, BP_PUSHBUTTON, state, text, lstrlenW(text), dtFlags, 0, &textRect); |
| HeapFree(GetProcessHeap(), 0, text); |
| } |
| |
| if (focused) |
| { |
| MARGINS margins; |
| RECT focusRect = bgRect; |
| |
| GetThemeMargins(theme, hDC, BP_PUSHBUTTON, state, TMT_CONTENTMARGINS, NULL, &margins); |
| |
| focusRect.left += margins.cxLeftWidth; |
| focusRect.top += margins.cyTopHeight; |
| focusRect.right -= margins.cxRightWidth; |
| focusRect.bottom -= margins.cyBottomHeight; |
| |
| DrawFocusRect( hDC, &focusRect ); |
| } |
| |
| if (hPrevFont) SelectObject(hDC, hPrevFont); |
| } |
| |
| static void CB_draw(HTHEME theme, HWND hwnd, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused) |
| { |
| static const int cb_states[3][5] = |
| { |
| { CBS_UNCHECKEDNORMAL, CBS_UNCHECKEDDISABLED, CBS_UNCHECKEDHOT, CBS_UNCHECKEDPRESSED, CBS_UNCHECKEDNORMAL }, |
| { CBS_CHECKEDNORMAL, CBS_CHECKEDDISABLED, CBS_CHECKEDHOT, CBS_CHECKEDPRESSED, CBS_CHECKEDNORMAL }, |
| { CBS_MIXEDNORMAL, CBS_MIXEDDISABLED, CBS_MIXEDHOT, CBS_MIXEDPRESSED, CBS_MIXEDNORMAL } |
| }; |
| |
| static const int rb_states[2][5] = |
| { |
| { RBS_UNCHECKEDNORMAL, RBS_UNCHECKEDDISABLED, RBS_UNCHECKEDHOT, RBS_UNCHECKEDPRESSED, RBS_UNCHECKEDNORMAL }, |
| { RBS_CHECKEDNORMAL, RBS_CHECKEDDISABLED, RBS_CHECKEDHOT, RBS_CHECKEDPRESSED, RBS_CHECKEDNORMAL } |
| }; |
| |
| SIZE sz; |
| RECT bgRect, textRect; |
| HFONT font, hPrevFont = NULL; |
| LRESULT checkState = SendMessageW(hwnd, BM_GETCHECK, 0, 0); |
| DWORD dwStyle = GetWindowLongW(hwnd, GWL_STYLE); |
| int part = ((dwStyle & BUTTON_TYPE) == BS_RADIOBUTTON) || ((dwStyle & BUTTON_TYPE) == BS_AUTORADIOBUTTON) |
| ? BP_RADIOBUTTON |
| : BP_CHECKBOX; |
| int state = (part == BP_CHECKBOX) |
| ? cb_states[ checkState ][ drawState ] |
| : rb_states[ checkState ][ drawState ]; |
| WCHAR *text = get_button_text(hwnd); |
| LOGFONTW lf; |
| BOOL created_font = FALSE; |
| |
| HRESULT hr = GetThemeFont(theme, hDC, part, state, TMT_FONT, &lf); |
| if (SUCCEEDED(hr)) { |
| font = CreateFontIndirectW(&lf); |
| if (!font) |
| TRACE("Failed to create font\n"); |
| else { |
| TRACE("font = %s\n", debugstr_w(lf.lfFaceName)); |
| hPrevFont = SelectObject(hDC, font); |
| created_font = TRUE; |
| } |
| } else { |
| font = (HFONT)SendMessageW(hwnd, WM_GETFONT, 0, 0); |
| hPrevFont = SelectObject(hDC, font); |
| } |
| |
| if (FAILED(GetThemePartSize(theme, hDC, part, state, NULL, TS_DRAW, &sz))) |
| sz.cx = sz.cy = 13; |
| |
| GetClientRect(hwnd, &bgRect); |
| GetThemeBackgroundContentRect(theme, hDC, part, state, &bgRect, &textRect); |
| |
| if (dtFlags & DT_SINGLELINE) /* Center the checkbox / radio button to the text. */ |
| bgRect.top = bgRect.top + (textRect.bottom - textRect.top - sz.cy) / 2; |
| |
| /* adjust for the check/radio marker */ |
| bgRect.bottom = bgRect.top + sz.cy; |
| bgRect.right = bgRect.left + sz.cx; |
| textRect.left = bgRect.right + 6; |
| |
| DrawThemeParentBackground(hwnd, hDC, NULL); |
| |
| DrawThemeBackground(theme, hDC, part, state, &bgRect, NULL); |
| if (text) |
| { |
| DrawThemeText(theme, hDC, part, state, text, lstrlenW(text), dtFlags, 0, &textRect); |
| |
| if (focused) |
| { |
| RECT focusRect; |
| |
| focusRect = textRect; |
| |
| DrawTextW(hDC, text, lstrlenW(text), &focusRect, dtFlags | DT_CALCRECT); |
| |
| if (focusRect.right < textRect.right) focusRect.right++; |
| focusRect.bottom = textRect.bottom; |
| |
| DrawFocusRect( hDC, &focusRect ); |
| } |
| |
| HeapFree(GetProcessHeap(), 0, text); |
| } |
| |
| if (created_font) DeleteObject(font); |
| if (hPrevFont) SelectObject(hDC, hPrevFont); |
| } |
| |
| static void GB_draw(HTHEME theme, HWND hwnd, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused) |
| { |
| static const int states[] = { GBS_NORMAL, GBS_DISABLED, GBS_NORMAL, GBS_NORMAL, GBS_NORMAL }; |
| |
| RECT bgRect, textRect, contentRect; |
| int state = states[ drawState ]; |
| WCHAR *text = get_button_text(hwnd); |
| LOGFONTW lf; |
| HFONT font, hPrevFont = NULL; |
| BOOL created_font = FALSE; |
| |
| HRESULT hr = GetThemeFont(theme, hDC, BP_GROUPBOX, state, TMT_FONT, &lf); |
| if (SUCCEEDED(hr)) { |
| font = CreateFontIndirectW(&lf); |
| if (!font) |
| TRACE("Failed to create font\n"); |
| else { |
| hPrevFont = SelectObject(hDC, font); |
| created_font = TRUE; |
| } |
| } else { |
| font = (HFONT)SendMessageW(hwnd, WM_GETFONT, 0, 0); |
| hPrevFont = SelectObject(hDC, font); |
| } |
| |
| GetClientRect(hwnd, &bgRect); |
| textRect = bgRect; |
| |
| if (text) |
| { |
| SIZE textExtent; |
| GetTextExtentPoint32W(hDC, text, lstrlenW(text), &textExtent); |
| bgRect.top += (textExtent.cy / 2); |
| textRect.left += 10; |
| textRect.bottom = textRect.top + textExtent.cy; |
| textRect.right = textRect.left + textExtent.cx + 4; |
| |
| ExcludeClipRect(hDC, textRect.left, textRect.top, textRect.right, textRect.bottom); |
| } |
| |
| GetThemeBackgroundContentRect(theme, hDC, BP_GROUPBOX, state, &bgRect, &contentRect); |
| ExcludeClipRect(hDC, contentRect.left, contentRect.top, contentRect.right, contentRect.bottom); |
| |
| if (IsThemeBackgroundPartiallyTransparent(theme, BP_GROUPBOX, state)) |
| DrawThemeParentBackground(hwnd, hDC, NULL); |
| DrawThemeBackground(theme, hDC, BP_GROUPBOX, state, &bgRect, NULL); |
| |
| SelectClipRgn(hDC, NULL); |
| |
| if (text) |
| { |
| InflateRect(&textRect, -2, 0); |
| DrawThemeText(theme, hDC, BP_GROUPBOX, state, text, lstrlenW(text), 0, 0, &textRect); |
| HeapFree(GetProcessHeap(), 0, text); |
| } |
| |
| if (created_font) DeleteObject(font); |
| if (hPrevFont) SelectObject(hDC, hPrevFont); |
| } |
| |
| static const pfThemedPaint btnThemedPaintFunc[BUTTON_TYPE + 1] = |
| { |
| PB_draw, /* BS_PUSHBUTTON */ |
| PB_draw, /* BS_DEFPUSHBUTTON */ |
| CB_draw, /* BS_CHECKBOX */ |
| CB_draw, /* BS_AUTOCHECKBOX */ |
| CB_draw, /* BS_RADIOBUTTON */ |
| CB_draw, /* BS_3STATE */ |
| CB_draw, /* BS_AUTO3STATE */ |
| GB_draw, /* BS_GROUPBOX */ |
| NULL, /* BS_USERBUTTON */ |
| CB_draw, /* BS_AUTORADIOBUTTON */ |
| NULL, /* Not defined */ |
| NULL, /* BS_OWNERDRAW */ |
| NULL, /* Not defined */ |
| NULL, /* Not defined */ |
| NULL, /* Not defined */ |
| NULL, /* Not defined */ |
| }; |
| |
| static BOOL BUTTON_Paint(HTHEME theme, HWND hwnd, HDC hParamDC) |
| { |
| PAINTSTRUCT ps; |
| HDC hDC; |
| DWORD dwStyle = GetWindowLongW(hwnd, GWL_STYLE); |
| DWORD dwStyleEx = GetWindowLongW(hwnd, GWL_EXSTYLE); |
| UINT dtFlags = get_drawtext_flags(dwStyle, dwStyleEx); |
| int state = (int)SendMessageW(hwnd, BM_GETSTATE, 0, 0); |
| ButtonState drawState; |
| pfThemedPaint paint = btnThemedPaintFunc[ dwStyle & BUTTON_TYPE ]; |
| |
| if(IsWindowEnabled(hwnd)) |
| { |
| if(state & BST_PUSHED) drawState = STATE_PRESSED; |
| else if(state & BST_HOT) drawState = STATE_HOT; |
| else if(state & BST_FOCUS) drawState = STATE_DEFAULTED; |
| else drawState = STATE_NORMAL; |
| } |
| else drawState = STATE_DISABLED; |
| |
| hDC = hParamDC ? hParamDC : BeginPaint(hwnd, &ps); |
| if (paint) paint(theme, hwnd, hDC, drawState, dtFlags, state & BST_FOCUS); |
| if (!hParamDC) EndPaint(hwnd, &ps); |
| return TRUE; |
| } |
| |
| /********************************************************************** |
| * The button control subclass window proc. |
| */ |
| LRESULT CALLBACK THEMING_ButtonSubclassProc(HWND hwnd, UINT msg, |
| WPARAM wParam, LPARAM lParam, |
| ULONG_PTR dwRefData) |
| { |
| const WCHAR* themeClass = WC_BUTTONW; |
| HTHEME theme; |
| LRESULT result; |
| |
| switch (msg) |
| { |
| case WM_CREATE: |
| result = THEMING_CallOriginalClass(hwnd, msg, wParam, lParam); |
| OpenThemeData(hwnd, themeClass); |
| return result; |
| |
| case WM_DESTROY: |
| theme = GetWindowTheme(hwnd); |
| CloseThemeData (theme); |
| return THEMING_CallOriginalClass(hwnd, msg, wParam, lParam); |
| |
| case WM_THEMECHANGED: |
| theme = GetWindowTheme(hwnd); |
| CloseThemeData (theme); |
| OpenThemeData(hwnd, themeClass); |
| break; |
| |
| case WM_SYSCOLORCHANGE: |
| theme = GetWindowTheme(hwnd); |
| if (!theme) return THEMING_CallOriginalClass(hwnd, msg, wParam, lParam); |
| /* Do nothing. When themed, a WM_THEMECHANGED will be received, too, |
| * which will do the repaint. */ |
| break; |
| |
| case WM_PAINT: |
| theme = GetWindowTheme(hwnd); |
| if (theme && BUTTON_Paint(theme, hwnd, (HDC)wParam)) |
| return 0; |
| else |
| return THEMING_CallOriginalClass(hwnd, msg, wParam, lParam); |
| |
| case WM_ENABLE: |
| theme = GetWindowTheme(hwnd); |
| if (theme) { |
| RedrawWindow(hwnd, NULL, NULL, RDW_FRAME | RDW_INVALIDATE | RDW_UPDATENOW); |
| return 0; |
| } else |
| return THEMING_CallOriginalClass(hwnd, msg, wParam, lParam); |
| |
| case WM_MOUSEMOVE: |
| { |
| TRACKMOUSEEVENT mouse_event; |
| mouse_event.cbSize = sizeof(TRACKMOUSEEVENT); |
| mouse_event.dwFlags = TME_QUERY; |
| if(!TrackMouseEvent(&mouse_event) || !(mouse_event.dwFlags&(TME_HOVER|TME_LEAVE))) |
| { |
| mouse_event.dwFlags = TME_HOVER|TME_LEAVE; |
| mouse_event.hwndTrack = hwnd; |
| mouse_event.dwHoverTime = 1; |
| TrackMouseEvent(&mouse_event); |
| } |
| break; |
| } |
| |
| case WM_MOUSEHOVER: |
| { |
| int state = (int)SendMessageW(hwnd, BM_GETSTATE, 0, 0); |
| SetWindowLongW(hwnd, 0, state|BST_HOT); |
| InvalidateRect(hwnd, NULL, FALSE); |
| break; |
| } |
| |
| case WM_MOUSELEAVE: |
| { |
| int state = (int)SendMessageW(hwnd, BM_GETSTATE, 0, 0); |
| SetWindowLongW(hwnd, 0, state&(~BST_HOT)); |
| InvalidateRect(hwnd, NULL, FALSE); |
| break; |
| } |
| |
| default: |
| /* Call old proc */ |
| return THEMING_CallOriginalClass(hwnd, msg, wParam, lParam); |
| } |
| return 0; |
| } |
