themehooks.c File Reference

#include "uxthemep.h"

Include dependency graph for themehooks.c:

Go to the source code of this file.

Typedefs
typedef BOOL(WINAPI *	PREGISTER_UAH_WINXP) (HINSTANCE hInstance, USERAPIHOOKPROC CallbackFunc)
typedef BOOL(WINAPI *	PREGISTER_UUAH_WIN2003) (PUSERAPIHOOKINFO puah)

Functions
PWND_DATA	ThemeGetWndData (HWND hWnd)
void	ThemeDestroyWndData (HWND hWnd)
HTHEME	GetNCCaptionTheme (HWND hWnd, DWORD style)
HTHEME	GetNCScrollbarTheme (HWND hWnd, DWORD style)
static BOOL CALLBACK	ThemeCleanupChildWndContext (HWND hWnd, LPARAM msg)
static BOOL CALLBACK	ThemeCleanupWndContext (HWND hWnd, LPARAM msg)
void	SetThemeRegion (HWND hWnd)
int	OnPostWinPosChanged (HWND hWnd, WINDOWPOS *pWinPos)
static LRESULT CALLBACK	ThemeDefWindowProcW (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
static LRESULT CALLBACK	ThemeDefWindowProcA (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
static LRESULT CALLBACK	ThemePreWindowProc (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, ULONG_PTR ret, PDWORD unknown)
static LRESULT CALLBACK	ThemePostWindowProc (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, ULONG_PTR ret, PDWORD unknown)
HRESULT	GetDiaogTextureBrush (HTHEME theme, HWND hwnd, HDC hdc, HBRUSH *result, BOOL changeOrigin)
void	HackFillStaticBg (HWND hwnd, HDC hdc, HBRUSH *result)
static LRESULT CALLBACK	ThemeDlgPreWindowProc (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, ULONG_PTR ret, PDWORD unknown)
static LRESULT CALLBACK	ThemeDlgPostWindowProc (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, ULONG_PTR ret, PDWORD unknown)
int WINAPI	ThemeSetWindowRgn (HWND hWnd, HRGN hRgn, BOOL bRedraw)
BOOL WINAPI	ThemeGetScrollInfo (HWND hwnd, int fnBar, LPSCROLLINFO lpsi)
INT WINAPI	ThemeSetScrollInfo (HWND hWnd, int fnBar, LPCSCROLLINFO lpsi, BOOL bRedraw)
BOOL CALLBACK	ThemeInitApiHook (UAPIHK State, PUSERAPIHOOK puah)
BOOL WINAPI	ThemeHooksInstall ()
BOOL WINAPI	ThemeHooksRemove ()
INT WINAPI	ClassicSystemParametersInfoW (UINT uiAction, UINT uiParam, PVOID pvParam, UINT fWinIni)
INT WINAPI	ClassicSystemParametersInfoA (UINT uiAction, UINT uiParam, PVOID pvParam, UINT fWinIni)
INT WINAPI	ClassicGetSystemMetrics (int nIndex)
BOOL WINAPI	ClassicAdjustWindowRectEx (LPRECT lpRect, DWORD dwStyle, BOOL bMenu, DWORD dwExStyle)

Variables
USERAPIHOOK	g_user32ApiHook
BYTE	gabDWPmessages [UAHOWP_MAX_SIZE]
BYTE	gabMSGPmessages [UAHOWP_MAX_SIZE]
BYTE	gabDLGPmessages [UAHOWP_MAX_SIZE]
BOOL	g_bThemeHooksActive = FALSE

Typedef Documentation

PREGISTER_UAH_WINXP

typedef BOOL(WINAPI * PREGISTER_UAH_WINXP) (HINSTANCE hInstance, USERAPIHOOKPROC CallbackFunc)

Definition at line 702 of file themehooks.c.

PREGISTER_UUAH_WIN2003

typedef BOOL(WINAPI * PREGISTER_UUAH_WIN2003) (PUSERAPIHOOKINFO puah)

Definition at line 703 of file themehooks.c.

Function Documentation

ClassicAdjustWindowRectEx()

BOOL WINAPI ClassicAdjustWindowRectEx	(	LPRECT	lpRect,
		DWORD	dwStyle,
		BOOL	bMenu,
		DWORD	dwExStyle
	)

Definition at line 789 of file themehooks.c.

{
    if (g_bThemeHooksActive)
    {
        return g_user32ApiHook.AdjustWindowRectEx(lpRect, dwStyle, bMenu, dwExStyle);
    }
 
    return AdjustWindowRectEx(lpRect, dwStyle, bMenu, dwExStyle);
}

ClassicGetSystemMetrics()

INT WINAPI ClassicGetSystemMetrics

(

int

nIndex

)

Definition at line 779 of file themehooks.c.

{
    if (g_bThemeHooksActive)
    {
        return g_user32ApiHook.GetSystemMetrics(nIndex);
    }
 
    return GetSystemMetrics(nIndex);
}

ClassicSystemParametersInfoA()

INT WINAPI ClassicSystemParametersInfoA	(	UINT	uiAction,
		UINT	uiParam,
		PVOID	pvParam,
		UINT	fWinIni
	)

Definition at line 769 of file themehooks.c.

{
    if (g_bThemeHooksActive)
    {
        return g_user32ApiHook.SystemParametersInfoA(uiAction, uiParam, pvParam, fWinIni);
    }
 
    return SystemParametersInfoA(uiAction, uiParam, pvParam, fWinIni);
}

ClassicSystemParametersInfoW()

INT WINAPI ClassicSystemParametersInfoW	(	UINT	uiAction,
		UINT	uiParam,
		PVOID	pvParam,
		UINT	fWinIni
	)

Definition at line 759 of file themehooks.c.

{
    if (g_bThemeHooksActive)
    {
        return g_user32ApiHook.SystemParametersInfoW(uiAction, uiParam, pvParam, fWinIni);
    }
 
    return SystemParametersInfoW(uiAction, uiParam, pvParam, fWinIni);
}

GetDiaogTextureBrush()

HRESULT GetDiaogTextureBrush	(	HTHEME	theme,
		HWND	hwnd,
		HDC	hdc,
		HBRUSH *	result,
		BOOL	changeOrigin
	)

Definition at line 415 of file themehooks.c.

{
    PWND_DATA pwndData;
 
    pwndData = ThemeGetWndData(hwnd);
    if (pwndData == NULL)
        return E_FAIL;
 
    if (pwndData->hTabBackgroundBrush == NULL)
    {
        HBITMAP hbmp;
        RECT dummy, bmpRect;
        BOOL hasImageAlpha;
        HRESULT hr;
 
        hr = UXTHEME_LoadImage(theme, 0, TABP_BODY, 0, &dummy, FALSE, &hbmp, &bmpRect, &hasImageAlpha);
        if (FAILED(hr))
            return hr;
 
        if (changeOrigin)
        {
            /* Unfortunately SetBrushOrgEx doesn't work at all */
            RECT rcWindow, rcParent;
            UINT y;
            HDC hdcPattern, hdcHackPattern;
            HBITMAP hbmpOld1, hbmpold2, hbmpHack;
 
            GetWindowRect(hwnd, &rcWindow);
            GetWindowRect(GetParent(hwnd), &rcParent);
            y = (rcWindow.top - rcParent.top) % bmpRect.bottom;
 
            hdcPattern = CreateCompatibleDC(hdc);
            hbmpOld1 = (HBITMAP)SelectObject(hdcPattern, hbmp);
 
            hdcHackPattern = CreateCompatibleDC(hdc);
            hbmpHack = CreateCompatibleBitmap(hdc, bmpRect.right, bmpRect.bottom);
            hbmpold2 = (HBITMAP)SelectObject(hdcHackPattern, hbmpHack);
 
            BitBlt(hdcHackPattern, 0, 0, bmpRect.right, bmpRect.bottom - y, hdcPattern, 0, y, SRCCOPY);
            BitBlt(hdcHackPattern, 0, bmpRect.bottom - y, bmpRect.right, y, hdcPattern, 0, 0, SRCCOPY);
 
            hbmpold2 = (HBITMAP)SelectObject(hdcHackPattern, hbmpold2);
            hbmpOld1 = (HBITMAP)SelectObject(hdcPattern, hbmpOld1);
 
            DeleteDC(hdcPattern);
            DeleteDC(hdcHackPattern);
 
            /* Keep the handle of the bitmap we created so that it can be used later */
            pwndData->hTabBackgroundBmp = hbmpHack;
            hbmp = hbmpHack;
        }
 
        /* hbmp is cached so there is no need to free it */
        pwndData->hTabBackgroundBrush = CreatePatternBrush(hbmp);
    }
 
    if (!pwndData->hTabBackgroundBrush)
        return E_FAIL;
 
    *result = pwndData->hTabBackgroundBrush;
    return S_OK;
}

Referenced by ThemeDlgPostWindowProc().

GetNCCaptionTheme()

HTHEME GetNCCaptionTheme	(	HWND	hWnd,
		DWORD	style
	)

Definition at line 88 of file themehooks.c.

{
    PWND_DATA pwndData;
 
    /* We only get the theme for the window class if the window has a caption */
    if((style & WS_CAPTION) != WS_CAPTION)
        return NULL;
 
    /* Get theme data for this window */
    pwndData = ThemeGetWndData(hWnd);
    if (pwndData == NULL)
        return NULL;
 
    if (!(GetThemeAppProperties() & STAP_ALLOW_NONCLIENT))
    {
        if (pwndData->hthemeWindow)
        {
            CloseThemeData(pwndData->hthemeWindow);
            pwndData->hthemeWindow = NULL;
        }
        return NULL;
    }
 
    /* If the theme data was not cached, open it now */
    if (!pwndData->hthemeWindow)
        pwndData->hthemeWindow = OpenThemeDataEx(hWnd, L"WINDOW", OTD_NONCLIENT);
 
    return pwndData->hthemeWindow;
}

Referenced by SetThemeRegion(), ThemeCalculateCaptionButtonsPosEx(), and ThemeInitDrawContext().

GetNCScrollbarTheme()

HTHEME GetNCScrollbarTheme	(	HWND	hWnd,
		DWORD	style
	)

Definition at line 118 of file themehooks.c.

{
    PWND_DATA pwndData;
 
    /* We only get the theme for the scrollbar class if the window has a scrollbar */
    if((style & (WS_HSCROLL|WS_VSCROLL)) == 0)
        return NULL;
 
    /* Get theme data for this window */
    pwndData = ThemeGetWndData(hWnd);
    if (pwndData == NULL)
        return NULL;
 
    if (!(GetThemeAppProperties() & STAP_ALLOW_NONCLIENT))
    {
        if (pwndData->hthemeScrollbar)
        {
            CloseThemeData(pwndData->hthemeScrollbar);
            pwndData->hthemeScrollbar = NULL;
        }
        return NULL;
    }
 
    /* If the theme data was not cached, open it now */
    if (!pwndData->hthemeScrollbar)
        pwndData->hthemeScrollbar = OpenThemeDataEx(hWnd, L"SCROLLBAR", OTD_NONCLIENT);
 
    return pwndData->hthemeScrollbar;
}

Referenced by ThemeInitDrawContext().

HackFillStaticBg()

void HackFillStaticBg	(	HWND	hwnd,
		HDC	hdc,
		HBRUSH *	result
	)

Definition at line 478 of file themehooks.c.

{
    RECT rcStatic;
 
    GetClientRect(hwnd, &rcStatic);
    FillRect(hdc, &rcStatic, *result);
 
    SetBkMode (hdc, TRANSPARENT);
    *result = GetStockObject (NULL_BRUSH);
}

Referenced by ThemeDlgPostWindowProc().

OnPostWinPosChanged()

int OnPostWinPosChanged	(	HWND	hWnd,
		WINDOWPOS *	pWinPos
	)

Definition at line 218 of file themehooks.c.

{
    PWND_DATA pwndData;
    DWORD style;
 
    /* We only proceed to change the window shape if it has a caption */
    style = GetWindowLongW(hWnd, GWL_STYLE);
    if((style & WS_CAPTION)!=WS_CAPTION)
    {
        /* Drop the theme region once the caption is gone, e.g. when going fullscreen */
        pwndData = (PWND_DATA)GetPropW(hWnd, (LPCWSTR)MAKEINTATOM(atWndContext));
        if (pwndData && pwndData->HasThemeRgn && !pwndData->UpdatingRgn)
        {
            pwndData->HasThemeRgn = FALSE;
            /* Rebuild it once the caption returns, even without a size change */
            pwndData->DirtyThemeRegion = TRUE;
            pwndData->UpdatingRgn = TRUE;
            g_user32ApiHook.SetWindowRgn(hWnd, 0, TRUE);
            pwndData->UpdatingRgn = FALSE;
        }
        return 0;
    }
 
    /* Get theme data for this window */
    pwndData = ThemeGetWndData(hWnd);
    if (pwndData == NULL)
        return 0;
 
    /* Do not change the region of the window if its size wasn't changed */
    if ((pWinPos->flags & SWP_NOSIZE) != 0 && pwndData->DirtyThemeRegion == FALSE)
        return 0;
 
    /* We don't touch the shape of the window if the application sets it on its own */
    if (pwndData->HasAppDefinedRgn != FALSE)
        return 0;
 
    /* Calling SetWindowRgn will call SetWindowPos again so we need to avoid this recursion */
    if (pwndData->UpdatingRgn != FALSE)
        return 0;
 
    if(!IsAppThemed() || !(GetThemeAppProperties() & STAP_ALLOW_NONCLIENT))
    {
        if(pwndData->HasThemeRgn)
        {
            pwndData->HasThemeRgn = FALSE;
            g_user32ApiHook.SetWindowRgn(hWnd, 0, TRUE);
        }
        return 0;
    }
 
    pwndData->DirtyThemeRegion = FALSE;
    pwndData->HasThemeRgn = TRUE;
    pwndData->UpdatingRgn = TRUE;
    SetThemeRegion(hWnd);
    pwndData->UpdatingRgn = FALSE;
 
     return 0;
 }

Referenced by ThemePostWindowProc().

SetThemeRegion()

void SetThemeRegion

(

HWND

hWnd

)

Definition at line 169 of file themehooks.c.

{
    HTHEME hTheme;
    RECT rcWindow;
    HRGN hrgn, hrgn1;
    int CaptionHeight, iPart;
    WINDOWINFO wi;
 
    TRACE("SetThemeRegion %d\n", hWnd);
 
    wi.cbSize = sizeof(wi);
    GetWindowInfo(hWnd, &wi);
 
    /* Get the caption part id */
    if (wi.dwStyle & WS_MINIMIZE)
        iPart = WP_MINCAPTION;
    else if (wi.dwExStyle & WS_EX_TOOLWINDOW)
        iPart = WP_SMALLCAPTION;
    else if (wi.dwStyle & WS_MAXIMIZE)
        iPart = WP_MAXCAPTION;
    else
        iPart = WP_CAPTION;
 
    CaptionHeight = wi.cyWindowBorders;
    CaptionHeight += GetSystemMetrics(wi.dwExStyle & WS_EX_TOOLWINDOW ? SM_CYSMCAPTION : SM_CYCAPTION );
 
    GetWindowRect(hWnd, &rcWindow);
    rcWindow.right -= rcWindow.left;
    rcWindow.bottom = CaptionHeight;
    rcWindow.top = 0;
    rcWindow.left = 0;
 
    hTheme = GetNCCaptionTheme(hWnd, wi.dwStyle);
    GetThemeBackgroundRegion(hTheme, 0, iPart, FS_ACTIVE, &rcWindow, &hrgn);
 
    GetWindowRect(hWnd, &rcWindow);
    rcWindow.right -= rcWindow.left;
    rcWindow.bottom -= rcWindow.top;
    rcWindow.top = CaptionHeight;
    rcWindow.left = 0;
    hrgn1 = CreateRectRgnIndirect(&rcWindow);
 
    CombineRgn(hrgn, hrgn, hrgn1, RGN_OR );
 
    DeleteObject(hrgn1);
 
    g_user32ApiHook.SetWindowRgn(hWnd, hrgn, TRUE);
}

Referenced by OnPostWinPosChanged().

ThemeCleanupChildWndContext()

static BOOL CALLBACK ThemeCleanupChildWndContext ( HWND  hWnd, LPARAM  msg  )

static

Definition at line 148 of file themehooks.c.

{
    ThemeDestroyWndData(hWnd);
    return TRUE;
}

Referenced by ThemeCleanupWndContext().

ThemeCleanupWndContext()

static BOOL CALLBACK ThemeCleanupWndContext ( HWND  hWnd, LPARAM  msg  )

static

Definition at line 154 of file themehooks.c.

{
    if (hWnd == NULL)
    {
        EnumWindows (ThemeCleanupWndContext, 0);
    }
    else
    {
        ThemeDestroyWndData(hWnd);
        EnumChildWindows (hWnd, ThemeCleanupChildWndContext, 0);
    }
 
    return TRUE;
}

Referenced by ThemeCleanupWndContext(), and ThemeInitApiHook().

ThemeDefWindowProcA()

static LRESULT CALLBACK ThemeDefWindowProcA ( HWND  hWnd, UINT  Msg, WPARAM  wParam, LPARAM  lParam  )

static

Definition at line 306 of file themehooks.c.

{
    PWND_DATA pwndData;
 
    pwndData = (PWND_DATA)GetPropW(hWnd, (LPCWSTR)MAKEINTATOM(atWndContext));
 
    if(!IsAppThemed() ||
       !(GetThemeAppProperties() & STAP_ALLOW_NONCLIENT) ||
       (pwndData && pwndData->HasAppDefinedRgn))
    {
        return g_user32ApiHook.DefWindowProcA(hWnd,
                                            Msg,
                                            wParam,
                                            lParam);
    }
 
    return ThemeWndProc(hWnd,
                        Msg,
                        wParam,
                        lParam,
                        g_user32ApiHook.DefWindowProcA);
}

Referenced by ThemeInitApiHook().

ThemeDefWindowProcW()

static LRESULT CALLBACK ThemeDefWindowProcW ( HWND  hWnd, UINT  Msg, WPARAM  wParam, LPARAM  lParam  )

static

Definition at line 282 of file themehooks.c.

{
    PWND_DATA pwndData;
 
    pwndData = (PWND_DATA)GetPropW(hWnd, (LPCWSTR)MAKEINTATOM(atWndContext));
 
    if(!IsAppThemed() ||
       !(GetThemeAppProperties() & STAP_ALLOW_NONCLIENT) ||
       (pwndData && pwndData->HasAppDefinedRgn))
    {
        return g_user32ApiHook.DefWindowProcW(hWnd,
                                            Msg,
                                            wParam,
                                            lParam);
    }
 
    return ThemeWndProc(hWnd,
                        Msg,
                        wParam,
                        lParam,
                        g_user32ApiHook.DefWindowProcW);
}

Referenced by ThemeInitApiHook().

ThemeDestroyWndData()

void ThemeDestroyWndData

(

HWND

hWnd

)

Definition at line 38 of file themehooks.c.

{
    PWND_DATA pwndData;
    DWORD ProcessId;
 
    /*Do not destroy WND_DATA of a window that belong to another process */
    GetWindowThreadProcessId(hWnd, &ProcessId);
    if(ProcessId != GetCurrentProcessId())
    {
        return;
    }
 
    pwndData = (PWND_DATA)GetPropW(hWnd, (LPCWSTR)MAKEINTATOM(atWndContext));
    if(pwndData == NULL)
    {
        return;
    }
 
    if(pwndData->HasThemeRgn)
    {
        g_user32ApiHook.SetWindowRgn(hWnd, 0, TRUE);
    }
 
    if (pwndData->hTabBackgroundBrush != NULL)
    {
        CloseThemeData(GetWindowTheme(hWnd));
 
        DeleteObject(pwndData->hTabBackgroundBrush);
    }
 
    if (pwndData->hTabBackgroundBmp != NULL)
    {
        DeleteObject(pwndData->hTabBackgroundBmp);
    }
 
    if (pwndData->hthemeWindow)
    {
        CloseThemeData(pwndData->hthemeWindow);
    }
 
    if (pwndData->hthemeScrollbar)
    {
        CloseThemeData(pwndData->hthemeScrollbar);
    }
 
    HeapFree(GetProcessHeap(), 0, pwndData);
 
    SetPropW( hWnd, (LPCWSTR)MAKEINTATOM(atWndContext), NULL);
}

Referenced by ThemeCleanupChildWndContext(), ThemeCleanupWndContext(), and ThemePostWindowProc().

ThemeDlgPostWindowProc()

static LRESULT CALLBACK ThemeDlgPostWindowProc ( HWND  hWnd, UINT  Msg, WPARAM  wParam, LPARAM  lParam, ULONG_PTR  ret, PDWORD  unknown  )

static

Definition at line 496 of file themehooks.c.

{
    switch(Msg)
    {
        case WM_CTLCOLORDLG:
        case WM_CTLCOLORBTN:
        case WM_CTLCOLORSTATIC:
        {
            HWND hwndTarget = (HWND)lParam;
            HDC hdc = (HDC)wParam;
            HBRUSH* phbrush = (HBRUSH*)ret;
            HTHEME hTheme;
 
            if(!IsAppThemed() || !(GetThemeAppProperties() & STAP_ALLOW_NONCLIENT))
                break;
 
            if (!IsThemeDialogTextureEnabled (hWnd))
                break;
 
            hTheme = GetWindowTheme(hWnd);
            if (!hTheme)
                hTheme = OpenThemeData(hWnd, L"TAB");
 
            if (!hTheme)
                break;
 
            GetDiaogTextureBrush(hTheme, hwndTarget, hdc, phbrush, Msg != WM_CTLCOLORDLG);
 
#if 1
            {
                WCHAR controlClass[32];
                GetClassNameW (hwndTarget, controlClass, sizeof(controlClass) / sizeof(controlClass[0]));
 
                /* This is a hack for the static class. Windows have a v6 static class just for this. */
                if (lstrcmpiW (controlClass, WC_STATICW) == 0)
                    HackFillStaticBg(hwndTarget, hdc, phbrush);
            }
#endif
            SetBkMode( hdc, TRANSPARENT );
            break;
        }
    }
 
    return 0;
}

Referenced by ThemeInitApiHook().

ThemeDlgPreWindowProc()

static LRESULT CALLBACK ThemeDlgPreWindowProc ( HWND  hWnd, UINT  Msg, WPARAM  wParam, LPARAM  lParam, ULONG_PTR  ret, PDWORD  unknown  )

static

Definition at line 490 of file themehooks.c.

{
    return 0;
}

Referenced by ThemeInitApiHook().

ThemeGetScrollInfo()

BOOL WINAPI ThemeGetScrollInfo	(	HWND	hwnd,
		int	fnBar,
		LPSCROLLINFO	lpsi
	)

Definition at line 554 of file themehooks.c.

{
    PWND_DATA pwndData;
    DWORD style;
    BOOL ret;
 
    /* Avoid creating a window context if it is not needed */
    if(!IsAppThemed() || !(GetThemeAppProperties() & STAP_ALLOW_NONCLIENT))
        goto dodefault;
 
    style = GetWindowLongW(hwnd, GWL_STYLE);
    if((style & (WS_HSCROLL|WS_VSCROLL))==0)
        goto dodefault;
 
    pwndData = ThemeGetWndData(hwnd);
    if (pwndData == NULL)
        goto dodefault;
 
    /*
     * Uxtheme needs to handle the tracking of the scrollbar itself
     * This means than if an application needs to get the track position
     * with GetScrollInfo, it will get wrong data. So uxtheme needs to
     * hook it and set the correct tracking position itself
     */
    ret = g_user32ApiHook.GetScrollInfo(hwnd, fnBar, lpsi);
    if ( lpsi &&
        (lpsi->fMask & SIF_TRACKPOS) &&
         pwndData->SCROLL_TrackingWin == hwnd &&
         pwndData->SCROLL_TrackingBar == fnBar)
    {
        lpsi->nTrackPos = pwndData->SCROLL_TrackingVal;
    }
    return ret;
 
dodefault:
    return g_user32ApiHook.GetScrollInfo(hwnd, fnBar, lpsi);
}

Referenced by ThemeInitApiHook().

ThemeGetWndData()

PWND_DATA ThemeGetWndData

(

HWND

hWnd

)

Definition at line 17 of file themehooks.c.

{
    PWND_DATA pwndData;
 
    pwndData = (PWND_DATA)GetPropW(hWnd, (LPCWSTR)MAKEINTATOM(atWndContext));
    if(pwndData == NULL)
    {
        pwndData = HeapAlloc(GetProcessHeap(),
                            HEAP_ZERO_MEMORY,
                            sizeof(WND_DATA));
        if(pwndData == NULL)
        {
            return NULL;
        }
 
        SetPropW( hWnd, (LPCWSTR)MAKEINTATOM(atWndContext), pwndData);
    }
 
    return pwndData;
}

Referenced by DefWndNCHitTest(), GetDiaogTextureBrush(), GetNCCaptionTheme(), GetNCScrollbarTheme(), OnPostWinPosChanged(), SCROLL_TrackScrollBar(), ThemeCalculateCaptionButtonsPosEx(), ThemeDrawCaptionButton(), ThemeDrawScrollBarEx(), ThemeGetScrollInfo(), ThemeHandleButton(), ThemeHandleNcMouseLeave(), ThemeHandleNcMouseMove(), ThemePreWindowProc(), ThemeSetScrollInfo(), and ThemeSetWindowRgn().

ThemeHooksInstall()

BOOL WINAPI ThemeHooksInstall

(

)

Definition at line 706 of file themehooks.c.

{
    PVOID lpFunc;
    OSVERSIONINFO osvi;
    BOOL ret;
 
    lpFunc = GetProcAddress(GetModuleHandle("user32.dll"), "RegisterUserApiHook");
 
    ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
    osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
    GetVersionEx(&osvi);
 
    if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1)
    {
        PREGISTER_UAH_WINXP lpfuncxp = (PREGISTER_UAH_WINXP)lpFunc;
        ret = lpfuncxp(hDllInst, ThemeInitApiHook);
    }
    else if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2)
    {
        PREGISTER_UUAH_WIN2003 lpfunc2003 = (PREGISTER_UUAH_WIN2003)lpFunc;
        USERAPIHOOKINFO uah;
 
        uah.m_size = sizeof(uah);
        uah.m_dllname1 = L"uxtheme.dll";
        uah.m_funname1 = L"ThemeInitApiHook";
        uah.m_dllname2 = NULL;
        uah.m_funname2 = NULL;
 
        ret = lpfunc2003(&uah);
    }
    else
    {
        UNIMPLEMENTED;
        ret = FALSE;
    }
 
    UXTHEME_broadcast_theme_changed (NULL, TRUE);
 
    return ret;
}

Referenced by ThemeStartCallback().

ThemeHooksRemove()

BOOL WINAPI ThemeHooksRemove

(

)

Definition at line 748 of file themehooks.c.

{
    BOOL ret;
 
    ret = UnregisterUserApiHook();
 
    UXTHEME_broadcast_theme_changed (NULL, FALSE);
 
    return ret;
}

Referenced by ThemeServiceDiedCallback(), and ThemeStopCallback().

ThemeInitApiHook()

BOOL CALLBACK ThemeInitApiHook	(	UAPIHK	State,
		PUSERAPIHOOK	puah
	)

Definition at line 620 of file themehooks.c.

{
    if (!puah || State != uahLoadInit)
    {
        UXTHEME_LoadTheme(FALSE);
        ThemeCleanupWndContext(NULL, 0);
        g_bThemeHooksActive = FALSE;
        return TRUE;
    }
 
    g_bThemeHooksActive = TRUE;
 
    /* Store the original functions from user32 */
    g_user32ApiHook = *puah;
 
    puah->DefWindowProcA = ThemeDefWindowProcA;
    puah->DefWindowProcW = ThemeDefWindowProcW;
    puah->PreWndProc = ThemePreWindowProc;
    puah->PostWndProc = ThemePostWindowProc;
    puah->PreDefDlgProc = ThemeDlgPreWindowProc;
    puah->PostDefDlgProc = ThemeDlgPostWindowProc;
    puah->DefWndProcArray.MsgBitArray  = gabDWPmessages;
    puah->DefWndProcArray.Size = UAHOWP_MAX_SIZE;
    puah->WndProcArray.MsgBitArray = gabMSGPmessages;
    puah->WndProcArray.Size = UAHOWP_MAX_SIZE;
    puah->DlgProcArray.MsgBitArray = gabDLGPmessages;
    puah->DlgProcArray.Size = UAHOWP_MAX_SIZE;
 
    puah->SetWindowRgn = ThemeSetWindowRgn;
    puah->GetScrollInfo = ThemeGetScrollInfo;
    puah->SetScrollInfo = ThemeSetScrollInfo;
 
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCPAINT);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCACTIVATE);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCMOUSEMOVE);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCMOUSELEAVE);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCHITTEST);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCLBUTTONDOWN);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCUAHDRAWCAPTION);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCUAHDRAWFRAME);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_SETTEXT);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_WINDOWPOSCHANGED);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_CONTEXTMENU);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_STYLECHANGED);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_SETICON);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_NCDESTROY);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_SYSCOMMAND);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_CTLCOLORMSGBOX);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_CTLCOLORBTN);
    UAH_HOOK_MESSAGE(puah->DefWndProcArray, WM_CTLCOLORSTATIC);
 
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_CREATE);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_SETTINGCHANGE);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_DRAWITEM);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_MEASUREITEM);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_WINDOWPOSCHANGING);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_WINDOWPOSCHANGED);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_STYLECHANGING);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_STYLECHANGED);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_NCCREATE);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_NCDESTROY);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_NCPAINT);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_MENUCHAR);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_MDISETMENU);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_THEMECHANGED);
    UAH_HOOK_MESSAGE(puah->WndProcArray, WM_UAHINIT);
 
    puah->DlgProcArray.MsgBitArray = gabDLGPmessages;
    puah->DlgProcArray.Size = UAHOWP_MAX_SIZE;
 
    UAH_HOOK_MESSAGE(puah->DlgProcArray, WM_INITDIALOG);
    UAH_HOOK_MESSAGE(puah->DlgProcArray, WM_CTLCOLORMSGBOX);
    UAH_HOOK_MESSAGE(puah->DlgProcArray, WM_CTLCOLORBTN);
    UAH_HOOK_MESSAGE(puah->DlgProcArray, WM_CTLCOLORDLG);
    UAH_HOOK_MESSAGE(puah->DlgProcArray, WM_CTLCOLORSTATIC);
    UAH_HOOK_MESSAGE(puah->DlgProcArray, WM_PRINTCLIENT);
 
    UXTHEME_LoadTheme(TRUE);
 
    return TRUE;
}

Referenced by ThemeHooksInstall().

ThemePostWindowProc()

static LRESULT CALLBACK ThemePostWindowProc ( HWND  hWnd, UINT  Msg, WPARAM  wParam, LPARAM  lParam, ULONG_PTR  ret, PDWORD  unknown  )

static

Definition at line 397 of file themehooks.c.

{
    switch(Msg)
    {
        case WM_WINDOWPOSCHANGED:
        {
            return OnPostWinPosChanged(hWnd, (WINDOWPOS*)lParam);
        }
        case WM_NCDESTROY:
        {
            ThemeDestroyWndData(hWnd);
            return 0;
        }
    }
 
    return 0;
}

Referenced by ThemeInitApiHook().

ThemePreWindowProc()

static LRESULT CALLBACK ThemePreWindowProc ( HWND  hWnd, UINT  Msg, WPARAM  wParam, LPARAM  lParam, ULONG_PTR  ret, PDWORD  unknown  )

static

Definition at line 330 of file themehooks.c.

{
    switch(Msg)
    {
        case WM_CREATE:
        case WM_STYLECHANGED:
        case WM_SIZE:
        case WM_WINDOWPOSCHANGED:
        {
            if(IsAppThemed() && (GetThemeAppProperties() & STAP_ALLOW_NONCLIENT))
                ThemeCalculateCaptionButtonsPos(hWnd, NULL);
            break;
        }
        case WM_THEMECHANGED:
        {
            PWND_DATA pwndData = ThemeGetWndData(hWnd);
 
            if (GetAncestor(hWnd, GA_PARENT) == GetDesktopWindow())
                UXTHEME_LoadTheme(TRUE);
 
            if (pwndData == NULL)
                return 0;
 
            if (pwndData->hTabBackgroundBrush != NULL)
            {
                DeleteObject(pwndData->hTabBackgroundBrush);
                pwndData->hTabBackgroundBrush = NULL;
            }
 
            if (pwndData->hTabBackgroundBmp != NULL)
            {
                DeleteObject(pwndData->hTabBackgroundBmp);
                pwndData->hTabBackgroundBmp = NULL;
            }
 
            if (pwndData->hthemeWindow)
            {
                CloseThemeData(pwndData->hthemeWindow);
                pwndData->hthemeWindow = NULL;
            }
 
            if (pwndData->hthemeScrollbar)
            {
                CloseThemeData(pwndData->hthemeScrollbar);
                pwndData->hthemeScrollbar = NULL;
            }
 
            if(IsAppThemed() && (GetThemeAppProperties() & STAP_ALLOW_NONCLIENT))
                ThemeCalculateCaptionButtonsPos(hWnd, NULL);
 
            pwndData->DirtyThemeRegion = TRUE;
            break;
        }
        case WM_NCCREATE:
        {
            PWND_DATA pwndData = ThemeGetWndData(hWnd);
            if (pwndData == NULL)
                return 0;
            pwndData->DirtyThemeRegion = TRUE;
        }
    }
 
    return 0;
}

Referenced by ThemeInitApiHook().

ThemeSetScrollInfo()

INT WINAPI ThemeSetScrollInfo	(	HWND	hWnd,
		int	fnBar,
		LPCSCROLLINFO	lpsi,
		BOOL	bRedraw
	)

Definition at line 592 of file themehooks.c.

{
    PWND_DATA pwndData;
    SCROLLINFO siout;
    LPSCROLLINFO lpsiout = &siout;
    BOOL IsThemed = FALSE;
 
    pwndData = ThemeGetWndData(hWnd);
 
    if (!pwndData)
        goto dodefault;
 
    if (pwndData->hthemeScrollbar)
        IsThemed = TRUE;
 
    memcpy(&siout, lpsi, sizeof(SCROLLINFO));
    if (IsThemed)
        siout.fMask |= SIF_THEMED;
 
dodefault:
    return g_user32ApiHook.SetScrollInfo(hWnd, fnBar, lpsiout, bRedraw);
}

Referenced by ThemeInitApiHook().

ThemeSetWindowRgn()

int WINAPI ThemeSetWindowRgn	(	HWND	hWnd,
		HRGN	hRgn,
		BOOL	bRedraw
	)

Definition at line 542 of file themehooks.c.

{
    PWND_DATA pwndData = ThemeGetWndData(hWnd);
    if(pwndData)
    {
        pwndData->HasAppDefinedRgn = TRUE;
        pwndData->HasThemeRgn = FALSE;
    }
 
    return g_user32ApiHook.SetWindowRgn(hWnd, hRgn, bRedraw);
}

Referenced by ThemeInitApiHook().

Variable Documentation

g_bThemeHooksActive

BOOL g_bThemeHooksActive = FALSE

Definition at line 15 of file themehooks.c.

Referenced by CheckThemeSignature(), ClassicAdjustWindowRectEx(), ClassicGetSystemMetrics(), ClassicSystemParametersInfoA(), ClassicSystemParametersInfoW(), EnumThemeColors(), EnumThemeSizes(), GetThemeDefaults(), GetThemeDocumentationProperty(), IsThemeActive(), OpenThemeFile(), ThemeInitApiHook(), UXTHEME_LoadTheme(), and ValidateHandle().

g_user32ApiHook

USERAPIHOOK g_user32ApiHook

Definition at line 11 of file themehooks.c.

Referenced by ClassicAdjustWindowRectEx(), ClassicGetSystemMetrics(), ClassicSystemParametersInfoA(), ClassicSystemParametersInfoW(), OnPostWinPosChanged(), SetThemeRegion(), ThemeDefWindowProcA(), ThemeDefWindowProcW(), ThemeDestroyWndData(), ThemeGetScrollInfo(), ThemeInitApiHook(), ThemeSetScrollInfo(), and ThemeSetWindowRgn().

gabDLGPmessages

BYTE gabDLGPmessages[UAHOWP_MAX_SIZE]

Definition at line 14 of file themehooks.c.

Referenced by ThemeInitApiHook().

gabDWPmessages

BYTE gabDWPmessages[UAHOWP_MAX_SIZE]

Definition at line 12 of file themehooks.c.

Referenced by ThemeInitApiHook().

gabMSGPmessages

BYTE gabMSGPmessages[UAHOWP_MAX_SIZE]

Definition at line 13 of file themehooks.c.

Referenced by ThemeInitApiHook().