Module: wine Branch: master Commit: 1f9cc2046623b13373d66f09f22a6b295949260d URL: http://source.winehq.org/git/wine.git/?a=commit;h=1f9cc2046623b13373d66f09f2...
Author: Reece Dunn msclrhd@googlemail.com Date: Wed Nov 5 08:39:18 2008 +0000
comctl32: Support themed push buttons.
---
dlls/comctl32/theme_button.c | 134 ++++++++++++++++++++++++++++++++++++------ 1 files changed, 115 insertions(+), 19 deletions(-)
diff --git a/dlls/comctl32/theme_button.c b/dlls/comctl32/theme_button.c index 54955fa..ebe62eb 100644 --- a/dlls/comctl32/theme_button.c +++ b/dlls/comctl32/theme_button.c @@ -36,47 +36,140 @@ WINE_DEFAULT_DEBUG_CHANNEL(themingbutton);
#define BUTTON_TYPE 0x0f /* bit mask for the available button types */
-typedef void (*pfThemedPaint)(HTHEME theme, HWND hwnd, HDC hdc); +/* 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); + +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 GB_draw(HTHEME theme, HWND hwnd, HDC hDC) +static void PB_draw(HTHEME theme, HWND hwnd, HDC hDC, ButtonState drawState, UINT dtFlags) { + static const int states[] = { PBS_NORMAL, PBS_DISABLED, PBS_HOT, PBS_PRESSED, PBS_DEFAULTED }; + RECT bgRect, textRect; - SIZE textExtent; HFONT font = (HFONT)SendMessageW(hwnd, WM_GETFONT, 0, 0); HFONT hPrevFont = font ? SelectObject(hDC, font) : NULL; - int state = IsWindowEnabled(hwnd) ? GBS_NORMAL : GBS_DISABLED; - WCHAR text[MAX_PATH]; - int len = MAX_PATH; + int state = states[ drawState ]; + WCHAR *text = get_button_text(hwnd);
GetClientRect(hwnd, &bgRect); - textRect = bgRect; + GetThemeBackgroundContentRect(theme, hDC, BP_PUSHBUTTON, state, &bgRect, &textRect);
- len = GetWindowTextW(hwnd, text, len); + 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); + }
- GetTextExtentPoint32W(hDC, text, len, &textExtent); + if (hPrevFont) SelectObject(hDC, hPrevFont); +}
- bgRect.top += (textExtent.cy / 2); - textRect.left += 10; - textRect.bottom = textRect.top + textExtent.cy; - textRect.right = textRect.left + textExtent.cx + 4; +static void GB_draw(HTHEME theme, HWND hwnd, HDC hDC, ButtonState drawState, UINT dtFlags) +{ + static const int states[] = { GBS_NORMAL, GBS_DISABLED, GBS_NORMAL, GBS_NORMAL, GBS_NORMAL }; + + 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); + 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);
+ if (IsThemeBackgroundPartiallyTransparent(theme, BP_GROUPBOX, state)) + DrawThemeParentBackground(hwnd, hDC, NULL); DrawThemeBackground(theme, hDC, BP_GROUPBOX, state, &bgRect, NULL);
SelectClipRgn(hDC, NULL);
- textRect.left += 2; - textRect.right -= 2; - DrawThemeText(theme, hDC, BP_GROUPBOX, state, text, len, 0, 0, &textRect); + if (text) + { + textRect.left += 2; + textRect.right -= 2; + DrawThemeText(theme, hDC, BP_GROUPBOX, state, text, lstrlenW(text), 0, 0, &textRect); + HeapFree(GetProcessHeap(), 0, text); + }
if (hPrevFont) SelectObject(hDC, hPrevFont); }
static const pfThemedPaint btnThemedPaintFunc[BUTTON_TYPE + 1] = { - NULL, /* BS_PUSHBUTTON */ - NULL, /* BS_DEFPUSHBUTTON */ + PB_draw, /* BS_PUSHBUTTON */ + PB_draw, /* BS_DEFPUSHBUTTON */ NULL, /* BS_CHECKBOX */ NULL, /* BS_AUTOCHECKBOX */ NULL, /* BS_RADIOBUTTON */ @@ -98,12 +191,15 @@ 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); + ButtonState drawState = IsWindowEnabled(hwnd) ? STATE_NORMAL : STATE_DISABLED; pfThemedPaint paint = btnThemedPaintFunc[ dwStyle & BUTTON_TYPE ];
if (paint) { hDC = hParamDC ? hParamDC : BeginPaint(hwnd, &ps); - paint(theme, hwnd, hDC); + paint(theme, hwnd, hDC, drawState, dtFlags); if (!hParamDC) EndPaint(hwnd, &ps); return TRUE; }