mirror of
https://github.com/reactos/reactos.git
synced 2024-06-28 17:01:28 +00:00
0b107f2e30
- Fix errors if a theme api is missing. - Add callback to functions for drawing themed transparent background. - Fix drawing glitch when theming is applied. - Redraw on theme change: automatically redraw the window if the theme is changed while the application is active. - Colours are now declared though RGB() macro. - Removed safe DS_SHELLFONT declaration.
128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/*
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* ReactOS Calc (Theming support)
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*
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* Copyright 2007-2017, Carlo Bramini
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*
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* This program 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 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "calc.h"
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#define GET_CB(name) \
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calc_##name = (type_##name)GetProcAddress(hUxTheme, #name); \
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if (calc_##name == NULL) calc_##name = dummy_##name;
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static HTHEME WINAPI
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dummy_OpenThemeData(HWND hwnd, const WCHAR *pszClassList);
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static HRESULT WINAPI
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dummy_CloseThemeData(HTHEME hTheme);
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static HRESULT WINAPI
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dummy_DrawThemeBackground(HTHEME hTheme, HDC hdc, int iPartId, int iStateId,
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const RECT *prc, const RECT *prcClip);
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static BOOL WINAPI
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dummy_IsAppThemed(void);
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static BOOL WINAPI
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dummy_IsThemeActive(void);
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static BOOL WINAPI
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dummy_IsThemeBackgroundPartiallyTransparent(HTHEME hTheme, int iPartId, int iStateId);
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static HRESULT WINAPI
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dummy_DrawThemeParentBackground(HWND hWnd, HDC hdc, RECT *prc);
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type_OpenThemeData calc_OpenThemeData = dummy_OpenThemeData;
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type_CloseThemeData calc_CloseThemeData = dummy_CloseThemeData;
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type_DrawThemeBackground calc_DrawThemeBackground = dummy_DrawThemeBackground;
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type_IsAppThemed calc_IsAppThemed = dummy_IsAppThemed;
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type_IsThemeActive calc_IsThemeActive = dummy_IsThemeActive;
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type_IsThemeBackgroundPartiallyTransparent calc_IsThemeBackgroundPartiallyTransparent = \
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dummy_IsThemeBackgroundPartiallyTransparent;
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type_DrawThemeParentBackground calc_DrawThemeParentBackground = \
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dummy_DrawThemeParentBackground;
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static HMODULE hUxTheme;
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static HTHEME WINAPI
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dummy_OpenThemeData(HWND hwnd, const WCHAR* pszClassList)
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{
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return NULL;
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}
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static HRESULT WINAPI
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dummy_CloseThemeData(HTHEME hTheme)
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{
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return E_NOTIMPL;
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}
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static HRESULT WINAPI
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dummy_DrawThemeBackground(HTHEME hTheme, HDC hdc, int iPartId, int iStateId,
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const RECT* prc, const RECT* prcClip)
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{
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return E_NOTIMPL;
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}
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static BOOL WINAPI
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dummy_IsAppThemed(void)
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{
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return FALSE;
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}
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static BOOL WINAPI
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dummy_IsThemeActive(void)
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{
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return FALSE;
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}
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static BOOL WINAPI
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dummy_IsThemeBackgroundPartiallyTransparent(HTHEME hTheme, int iPartId, int iStateId)
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{
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return FALSE;
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}
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static HRESULT WINAPI
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dummy_DrawThemeParentBackground(HWND hWnd, HDC hdc, RECT *prc)
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{
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return E_NOTIMPL;
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}
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void Theme_Start(HINSTANCE hInstance)
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{
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hUxTheme = LoadLibrary(_T("UXTHEME"));
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if (hUxTheme == NULL)
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return;
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GET_CB(OpenThemeData)
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GET_CB(CloseThemeData)
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GET_CB(DrawThemeBackground)
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GET_CB(IsAppThemed)
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GET_CB(IsThemeActive)
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GET_CB(IsThemeBackgroundPartiallyTransparent)
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GET_CB(DrawThemeParentBackground)
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}
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void Theme_Stop(void)
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{
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if(hUxTheme == NULL)
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return;
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FreeLibrary(hUxTheme);
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hUxTheme = NULL;
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}
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