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https://github.com/reactos/reactos.git
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112 lines
3.7 KiB
C
112 lines
3.7 KiB
C
/*
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* Theming - List box control
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*
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* Copyright (c) 2005 by Frank Richter
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#include "comctl32.h"
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/* Draw themed border */
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static void nc_paint (HTHEME theme, HWND hwnd, HRGN region)
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{
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HRGN cliprgn = region;
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DWORD exStyle = GetWindowLongW (hwnd, GWL_EXSTYLE);
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if (exStyle & WS_EX_CLIENTEDGE)
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{
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HDC dc;
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RECT r;
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int cxEdge = GetSystemMetrics (SM_CXEDGE),
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cyEdge = GetSystemMetrics (SM_CYEDGE);
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GetWindowRect(hwnd, &r);
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/* New clipping region passed to default proc to exclude border */
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cliprgn = CreateRectRgn (r.left + cxEdge, r.top + cyEdge,
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r.right - cxEdge, r.bottom - cyEdge);
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if (region != (HRGN)1)
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CombineRgn (cliprgn, cliprgn, region, RGN_AND);
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OffsetRect(&r, -r.left, -r.top);
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#ifdef __REACTOS__ /* r73789 */
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dc = GetWindowDC(hwnd);
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/* Exclude client part */
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ExcludeClipRect(dc, r.left + cxEdge, r.top + cyEdge,
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r.right - cxEdge, r.bottom -cyEdge);
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#else
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dc = GetDCEx(hwnd, region, DCX_WINDOW|DCX_INTERSECTRGN);
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OffsetRect(&r, -r.left, -r.top);
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#endif
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if (IsThemeBackgroundPartiallyTransparent (theme, 0, 0))
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DrawThemeParentBackground(hwnd, dc, &r);
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DrawThemeBackground (theme, dc, 0, 0, &r, 0);
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ReleaseDC(hwnd, dc);
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}
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/* Call default proc to get the scrollbars etc. painted */
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DefWindowProcW (hwnd, WM_NCPAINT, (WPARAM)cliprgn, 0);
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}
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/**********************************************************************
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* The list control subclass window proc.
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*/
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LRESULT CALLBACK THEMING_ListBoxSubclassProc (HWND hwnd, UINT msg,
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WPARAM wParam, LPARAM lParam,
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ULONG_PTR dwRefData)
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{
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const WCHAR* themeClass = WC_LISTBOXW;
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HTHEME theme;
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LRESULT result;
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switch (msg)
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{
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case WM_CREATE:
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result = THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
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OpenThemeData( hwnd, themeClass );
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return result;
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case WM_DESTROY:
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theme = GetWindowTheme( hwnd );
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CloseThemeData ( theme );
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return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
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case WM_THEMECHANGED:
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theme = GetWindowTheme( hwnd );
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CloseThemeData ( theme );
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OpenThemeData( hwnd, themeClass );
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break;
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case WM_SYSCOLORCHANGE:
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theme = GetWindowTheme( hwnd );
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if (!theme) return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
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/* Do nothing. When themed, a WM_THEMECHANGED will be received, too,
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* which will do the repaint. */
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break;
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case WM_NCPAINT:
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theme = GetWindowTheme( hwnd );
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if (!theme) return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
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nc_paint (theme, hwnd, (HRGN)wParam);
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break;
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default:
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/* Call old proc */
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return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
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}
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return 0;
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}
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