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Cygwin/X: Fix a GDI bitmap resource leak of window icons

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Ensure any icon created specially for a window is destroyed when
the window is destroyed

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
Tested-by: Colin Harrison <colin.harrison@virgin.net>
This commit is contained in:
Jon TURNEY 2010-07-22 18:36:51 +01:00
parent 19e764eee0
commit bd288c3458
3 changed files with 25 additions and 13 deletions
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3
hw/xwin/winmultiwindowicons.c
View File

@ -624,6 +624,7 @@ void winSelectIcons(WindowPtr pWin, HICON *pIcon, HICON *pSmallIcon)
*pIcon = hIcon;
else
winDestroyIcon(hIcon);
if (pSmallIcon)
*pSmallIcon = hSmallIcon;
else
@ -632,7 +633,7 @@ void winSelectIcons(WindowPtr pWin, HICON *pIcon, HICON *pSmallIcon)
void winDestroyIcon(HICON hIcon)
{
/* Delete the icon if its not the default */
/* Delete the icon if its not one of the application defaults or an override */
if (hIcon &&
hIcon != g_hIconX &&
hIcon != g_hSmallIconX &&

13
hw/xwin/winmultiwindowwindow.c
View File

@ -592,7 +592,9 @@ winDestroyWindowsWindow (WindowPtr pWin)
MSG msg;
winWindowPriv(pWin);
BOOL oldstate = winInDestroyWindowsWindow;
HICON hIcon;
HICON hIconSm;
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winDestroyWindowsWindow\n");
#endif
@ -603,13 +605,22 @@ winDestroyWindowsWindow (WindowPtr pWin)
winInDestroyWindowsWindow = TRUE;
/* Store the info we need to destroy after this window is gone */
hIcon = (HICON)SendMessage(pWinPriv->hWnd, WM_GETICON, ICON_BIG, 0);
hIconSm = (HICON)SendMessage(pWinPriv->hWnd, WM_GETICON, ICON_SMALL, 0);
SetProp (pWinPriv->hWnd, WIN_WINDOW_PROP, NULL);
/* Destroy the Windows window */
DestroyWindow (pWinPriv->hWnd);
/* Null our handle to the Window so referencing it will cause an error */
pWinPriv->hWnd = NULL;
/* Destroy any icons we created for this window */
winDestroyIcon(hIcon);
winDestroyIcon(hIconSm);
/* Process all messages on our queue */
while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
{

22
hw/xwin/winwin32rootless.c
View File

@ -366,8 +366,8 @@ void
winMWExtWMDestroyFrame (RootlessFrameID wid)
{
win32RootlessWindowPtr pRLWinPriv = (win32RootlessWindowPtr) wid;
HICON hiconClass;
HICON hiconSmClass;
HICON hIcon;
HICON hIconSm;
HMODULE hInstance;
int iReturn;
char pszClass[CLASS_NAME_LENGTH];
@ -398,8 +398,8 @@ winMWExtWMDestroyFrame (RootlessFrameID wid)
/* Store the info we need to destroy after this window is gone */
hInstance = (HINSTANCE) GetClassLongPtr (pRLWinPriv->hWnd, GCLP_HMODULE);
hiconClass = (HICON) GetClassLongPtr (pRLWinPriv->hWnd, GCLP_HICON);
hiconSmClass = (HICON) GetClassLongPtr (pRLWinPriv->hWnd, GCLP_HICONSM);
hIcon = (HICON)SendMessage(pRLWinPriv->hWnd, WM_GETICON, ICON_BIG, 0);
hIconSm = (HICON)SendMessage(pRLWinPriv->hWnd, WM_GETICON, ICON_SMALL, 0);
iReturn = GetClassName (pRLWinPriv->hWnd, pszClass, CLASS_NAME_LENGTH);
pRLWinPriv->fClose = TRUE;
@ -415,15 +415,15 @@ winMWExtWMDestroyFrame (RootlessFrameID wid)
winDebug ("winMWExtWMDestroyFrame - Unregistering %s: ", pszClass);
#endif
iReturn = UnregisterClass (pszClass, hInstance);
#if CYGMULTIWINDOW_DEBUG
winDebug ("winMWExtWMDestroyFramew - %d Deleting Icon: ", iReturn);
#endif
winDestroyIcon(hiconClass);
winDestroyIcon(hiconSmClass);
}
#if CYGMULTIWINDOW_DEBUG
winDebug ("winMWExtWMDestroyFramew - Deleting Icon\n");
#endif
winDestroyIcon(hIcon);
winDestroyIcon(hIconSm);
#if CYGMULTIWINDOW_DEBUG
winDebug ("winMWExtWMDestroyFrame - done\n");
#endif