Sweden-Number/dlls/comctl32/theme_listbox.c

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/*
* Theming - List box control
*
* Copyright (c) 2005 by Frank Richter
*
* 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(theminglistbox);
/* Draw themed border */
static void nc_paint (HTHEME theme, HWND hwnd, HRGN region)
{
HRGN cliprgn = region;
DWORD exStyle = GetWindowLongW (hwnd, GWL_EXSTYLE);
if (exStyle & WS_EX_CLIENTEDGE)
{
HDC dc;
RECT r;
int cxEdge = GetSystemMetrics (SM_CXEDGE),
cyEdge = GetSystemMetrics (SM_CYEDGE);
GetWindowRect(hwnd, &r);
/* New clipping region passed to default proc to exclude border */
cliprgn = CreateRectRgn (r.left + cxEdge, r.top + cyEdge,
r.right - cxEdge, r.bottom - cyEdge);
if (region != (HRGN)1)
CombineRgn (cliprgn, cliprgn, region, RGN_AND);
OffsetRect(&r, -r.left, -r.top);
dc = GetDCEx(hwnd, region, DCX_WINDOW|DCX_INTERSECTRGN);
OffsetRect(&r, -r.left, -r.top);
if (IsThemeBackgroundPartiallyTransparent (theme, 0, 0))
DrawThemeParentBackground(hwnd, dc, &r);
DrawThemeBackground (theme, dc, 0, 0, &r, 0);
ReleaseDC(hwnd, dc);
}
/* Call default proc to get the scrollbars etc. painted */
DefWindowProcW (hwnd, WM_NCPAINT, (WPARAM)cliprgn, 0);
}
/**********************************************************************
* The list control subclass window proc.
*/
LRESULT CALLBACK THEMING_ListBoxSubclassProc (HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam,
ULONG_PTR dwRefData)
{
const WCHAR* themeClass = WC_LISTBOXW;
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_NCPAINT:
theme = GetWindowTheme( hwnd );
if (!theme) return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
nc_paint (theme, hwnd, (HRGN)wParam);
break;
default:
/* Call old proc */
return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
}
return 0;
}