Sweden-Number/dlls/comctl32/theme_button.c

146 lines
4.3 KiB
C

/*
* 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 "tmschema.h"
#include "comctl32.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(themingbutton);
#define BUTTON_TYPE 0x0f /* bit mask for the available button types */
static void GB_draw(HTHEME theme, HWND hwnd, HDC hDC)
{
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;
GetClientRect(hwnd, &bgRect);
textRect = bgRect;
len = GetWindowTextW(hwnd, text, len);
GetTextExtentPoint32W(hDC, text, len, &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);
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 (hPrevFont) SelectObject(hDC, hPrevFont);
}
static BOOL BUTTON_Paint(HTHEME theme, HWND hwnd, HDC hParamDC)
{
PAINTSTRUCT ps;
HDC hDC;
DWORD dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
if ((dwStyle & BUTTON_TYPE) == BS_GROUPBOX)
{
hDC = hParamDC ? hParamDC : BeginPaint(hwnd, &ps);
GB_draw(theme, hwnd, hDC);
if (!hParamDC) EndPaint(hwnd, &ps);
}
else return FALSE; /* Delegate drawing to the non-themed code. */
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 THEMING_CallOriginalClass(hwnd, msg, wParam, lParam);
default:
/* Call old proc */
return THEMING_CallOriginalClass(hwnd, msg, wParam, lParam);
}
return 0;
}