mirror of
https://github.com/reactos/reactos.git
synced 2024-11-03 21:34:00 +00:00
402 lines
No EOL
11 KiB
C
402 lines
No EOL
11 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS uxtheme.dll
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* FILE: dll/win32/uxtheme/themehooks.c
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* PURPOSE: uxtheme user api hook functions
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* PROGRAMMER: Giannis Adamopoulos
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*/
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#include "uxthemep.h"
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USERAPIHOOK user32ApiHook;
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BYTE gabDWPmessages[UAHOWP_MAX_SIZE];
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BYTE gabMSGPmessages[UAHOWP_MAX_SIZE];
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BOOL gbThemeHooksActive = FALSE;
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PWND_CONTEXT ThemeGetWndContext(HWND hWnd)
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{
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PWND_CONTEXT pcontext;
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pcontext = (PWND_CONTEXT)GetPropW(hWnd, (LPCWSTR)MAKEINTATOM(atWndContext));
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if(pcontext == NULL)
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{
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pcontext = HeapAlloc(GetProcessHeap(),
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HEAP_ZERO_MEMORY,
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sizeof(WND_CONTEXT));
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if(pcontext == NULL)
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{
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return NULL;
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}
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SetPropW( hWnd, (LPCWSTR)MAKEINTATOM(atWndContext), pcontext);
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}
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return pcontext;
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}
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void ThemeDestroyWndContext(HWND hWnd)
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{
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PWND_CONTEXT pContext;
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DWORD ProcessId;
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/*Do not destroy WND_CONTEXT of a window that belong to another process */
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GetWindowThreadProcessId(hWnd, &ProcessId);
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if(ProcessId != GetCurrentProcessId())
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{
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return;
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}
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pContext = (PWND_CONTEXT)GetPropW(hWnd, (LPCWSTR)MAKEINTATOM(atWndContext));
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if(pContext == NULL)
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{
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return;
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}
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if(pContext->HasThemeRgn)
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{
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user32ApiHook.SetWindowRgn(hWnd, 0, TRUE);
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}
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HeapFree(GetProcessHeap(), 0, pContext);
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SetPropW( hWnd, (LPCWSTR)MAKEINTATOM(atWndContext), NULL);
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}
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static BOOL CALLBACK ThemeCleanupChildWndContext (HWND hWnd, LPARAM msg)
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{
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ThemeDestroyWndContext(hWnd);
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return TRUE;
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}
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static BOOL CALLBACK ThemeCleanupWndContext(HWND hWnd, LPARAM msg)
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{
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if (hWnd == NULL)
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{
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EnumWindows (ThemeCleanupWndContext, 0);
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}
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else
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{
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ThemeDestroyWndContext(hWnd);
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EnumChildWindows (hWnd, ThemeCleanupChildWndContext, 0);
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}
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return TRUE;
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}
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void SetThemeRegion(HWND hWnd)
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{
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HTHEME hTheme;
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RECT rcWindow;
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HRGN hrgn, hrgn1;
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int CaptionHeight, iPart;
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WINDOWINFO wi;
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TRACE("SetThemeRegion %d\n", hWnd);
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wi.cbSize = sizeof(wi);
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GetWindowInfo(hWnd, &wi);
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/* Get the caption part id */
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if (wi.dwExStyle & WS_EX_TOOLWINDOW)
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iPart = WP_SMALLCAPTION;
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else if (wi.dwStyle & WS_MAXIMIZE)
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iPart = WP_MAXCAPTION;
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else
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iPart = WP_CAPTION;
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CaptionHeight = wi.cyWindowBorders;
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CaptionHeight += GetSystemMetrics(wi.dwExStyle & WS_EX_TOOLWINDOW ? SM_CYSMCAPTION : SM_CYCAPTION );
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GetWindowRect(hWnd, &rcWindow);
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rcWindow.right -= rcWindow.left;
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rcWindow.bottom = CaptionHeight;
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rcWindow.top = 0;
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rcWindow.left = 0;
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hTheme = MSSTYLES_OpenThemeClass(ActiveThemeFile, NULL, L"WINDOW");
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GetThemeBackgroundRegion(hTheme, 0, iPart, FS_ACTIVE, &rcWindow, &hrgn);
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CloseThemeData(hTheme);
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GetWindowRect(hWnd, &rcWindow);
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rcWindow.right -= rcWindow.left;
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rcWindow.bottom -= rcWindow.top;
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rcWindow.top = CaptionHeight;
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rcWindow.left = 0;
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hrgn1 = CreateRectRgnIndirect(&rcWindow);
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CombineRgn(hrgn, hrgn, hrgn1, RGN_OR );
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DeleteObject(hrgn1);
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user32ApiHook.SetWindowRgn(hWnd, hrgn, TRUE);
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}
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int OnPostWinPosChanged(HWND hWnd, WINDOWPOS* pWinPos)
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{
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PWND_CONTEXT pcontext;
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DWORD style;
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/* We only proceed to change the window shape if it has a caption */
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style = GetWindowLongW(hWnd, GWL_STYLE);
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if((style & WS_CAPTION)!=WS_CAPTION)
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return 0;
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/* Get theme data for this window */
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pcontext = ThemeGetWndContext(hWnd);
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if (pcontext == NULL)
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return 0;
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/* Do not change the region of the window if its size wasn't changed */
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if ((pWinPos->flags & SWP_NOSIZE) != 0 && pcontext->DirtyThemeRegion == FALSE)
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return 0;
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/* We don't touch the shape of the window if the application sets it on its own */
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if (pcontext->HasAppDefinedRgn == TRUE)
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return 0;
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/* Calling SetWindowRgn will call SetWindowPos again so we need to avoid this recursion */
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if (pcontext->UpdatingRgn == TRUE)
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return 0;
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if(!IsAppThemed())
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{
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if(pcontext->HasThemeRgn)
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{
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pcontext->HasThemeRgn = FALSE;
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user32ApiHook.SetWindowRgn(hWnd, 0, TRUE);
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}
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return 0;
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}
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pcontext->DirtyThemeRegion = FALSE;
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pcontext->HasThemeRgn = TRUE;
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pcontext->UpdatingRgn = TRUE;
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SetThemeRegion(hWnd);
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pcontext->UpdatingRgn = FALSE;
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return 0;
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}
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/**********************************************************************
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* Hook Functions
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*/
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static LRESULT CALLBACK
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ThemeDefWindowProcW(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
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{
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if(!IsAppThemed())
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{
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return user32ApiHook.DefWindowProcW(hWnd,
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Msg,
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wParam,
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lParam);
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}
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return ThemeWndProc(hWnd,
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Msg,
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wParam,
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lParam,
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user32ApiHook.DefWindowProcW);
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}
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static LRESULT CALLBACK
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ThemeDefWindowProcA(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
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{
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if(!IsAppThemed())
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{
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return user32ApiHook.DefWindowProcA(hWnd,
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Msg,
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wParam,
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lParam);
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}
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return ThemeWndProc(hWnd,
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Msg,
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wParam,
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lParam,
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user32ApiHook.DefWindowProcA);
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}
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static LRESULT CALLBACK
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ThemePreWindowProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, ULONG_PTR ret,PDWORD unknown)
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{
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switch(Msg)
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{
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case WM_THEMECHANGED:
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if (GetAncestor(hWnd, GA_PARENT) == GetDesktopWindow())
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UXTHEME_LoadTheme(TRUE);
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case WM_NCCREATE:
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{
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PWND_CONTEXT pcontext = ThemeGetWndContext(hWnd);
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if (pcontext == NULL)
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return 0;
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pcontext->DirtyThemeRegion = TRUE;
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}
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}
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return 0;
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}
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static LRESULT CALLBACK
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ThemePostWindowProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, ULONG_PTR ret,PDWORD unknown)
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{
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switch(Msg)
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{
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case WM_WINDOWPOSCHANGED:
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{
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return OnPostWinPosChanged(hWnd, (WINDOWPOS*)lParam);
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}
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case WM_DESTROY:
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{
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ThemeDestroyWndContext(hWnd);
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return 0;
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}
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}
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return 0;
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}
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int WINAPI ThemeSetWindowRgn(HWND hWnd, HRGN hRgn, BOOL bRedraw)
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{
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PWND_CONTEXT pcontext = ThemeGetWndContext(hWnd);
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if(pcontext)
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{
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pcontext->HasAppDefinedRgn = TRUE;
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pcontext->HasThemeRgn = FALSE;
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}
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return user32ApiHook.SetWindowRgn(hWnd, hRgn, bRedraw);
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}
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/**********************************************************************
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* Exports
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*/
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BOOL CALLBACK
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ThemeInitApiHook(UAPIHK State, PUSERAPIHOOK puah)
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{
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if (!puah || State != uahLoadInit)
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{
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UXTHEME_LoadTheme(FALSE);
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ThemeCleanupWndContext(NULL, 0);
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gbThemeHooksActive = FALSE;
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return TRUE;
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}
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gbThemeHooksActive = TRUE;
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/* Store the original functions from user32 */
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user32ApiHook = *puah;
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puah->DefWindowProcA = ThemeDefWindowProcA;
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puah->DefWindowProcW = ThemeDefWindowProcW;
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puah->PreWndProc = ThemePreWindowProc;
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puah->PostWndProc = ThemePostWindowProc;
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puah->PreDefDlgProc = ThemePreWindowProc;
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puah->PostDefDlgProc = ThemePostWindowProc;
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puah->DefWndProcArray.MsgBitArray = gabDWPmessages;
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puah->DefWndProcArray.Size = UAHOWP_MAX_SIZE;
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puah->WndProcArray.MsgBitArray = gabMSGPmessages;
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puah->WndProcArray.Size = UAHOWP_MAX_SIZE;
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puah->DlgProcArray.MsgBitArray = gabMSGPmessages;
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puah->DlgProcArray.Size = UAHOWP_MAX_SIZE;
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puah->SetWindowRgn = ThemeSetWindowRgn;
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCPAINT);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCACTIVATE);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCMOUSEMOVE);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCMOUSELEAVE);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCHITTEST);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCLBUTTONDOWN);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCUAHDRAWCAPTION);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCUAHDRAWFRAME);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_SETTEXT);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_WINDOWPOSCHANGED);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_CONTEXTMENU);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_STYLECHANGED);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_SETICON);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCDESTROY);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_SYSCOMMAND);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_CTLCOLORMSGBOX);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_CTLCOLORBTN);
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UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_CTLCOLORSTATIC);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_CREATE);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_SETTINGCHANGE);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_DRAWITEM);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_MEASUREITEM);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_WINDOWPOSCHANGING);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_WINDOWPOSCHANGED);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_STYLECHANGING);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_STYLECHANGED);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_NCCREATE);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_NCDESTROY);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_NCPAINT);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_MENUCHAR);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_MDISETMENU);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_THEMECHANGED);
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UAH_HOOK_MESSAGE(puah->WndProcArray, WM_UAHINIT);
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UXTHEME_LoadTheme(TRUE);
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return TRUE;
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}
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typedef BOOL (WINAPI * PREGISTER_UAH_WINXP)(HINSTANCE hInstance, USERAPIHOOKPROC CallbackFunc);
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typedef BOOL (WINAPI * PREGISTER_UUAH_WIN2003)(PUSERAPIHOOKINFO puah);
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BOOL WINAPI
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ThemeHooksInstall()
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{
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PVOID lpFunc;
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OSVERSIONINFO osvi;
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BOOL ret;
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lpFunc = GetProcAddress(GetModuleHandle("user32.dll"), "RegisterUserApiHook");
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ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
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osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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GetVersionEx(&osvi);
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if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1)
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{
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PREGISTER_UAH_WINXP lpfuncxp = (PREGISTER_UAH_WINXP)lpFunc;
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ret = lpfuncxp(hDllInst, ThemeInitApiHook);
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}
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else if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2)
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{
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PREGISTER_UUAH_WIN2003 lpfunc2003 = (PREGISTER_UUAH_WIN2003)lpFunc;
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USERAPIHOOKINFO uah;
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uah.m_size = sizeof(uah);
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uah.m_dllname1 = L"uxtheme.dll";
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uah.m_funname1 = L"ThemeInitApiHook";
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uah.m_dllname2 = NULL;
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uah.m_funname2 = NULL;
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ret = lpfunc2003(&uah);
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}
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else
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{
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UNIMPLEMENTED;
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ret = FALSE;
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}
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UXTHEME_broadcast_msg (NULL, WM_THEMECHANGED);
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return ret;
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}
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BOOL WINAPI
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ThemeHooksRemove()
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{
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BOOL ret;
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ret = UnregisterUserApiHook();
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UXTHEME_broadcast_msg (NULL, WM_THEMECHANGED);
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return ret;
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} |