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Make LoadCursorIconImage() find shared icons, even if they don't have the desired width/height. Now explorer doesn't leak icons / bitmaps anymore.

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fixes bug 1554
See issue #1554 for more details.

svn path=/trunk/; revision=25726
This commit is contained in:
Timo Kreuzer 2007-02-05 00:59:59 +00:00
parent cde527ab70
commit 8444d4afb3
1 changed files with 34 additions and 18 deletions
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50
reactos/dll/win32/user32/windows/bitmap.c
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@ -186,9 +186,8 @@ LoadCursorIconImage(
UINT fuLoad,
ULONG uType)
{
HRSRC hResInfo;
HANDLE hResource;
HANDLE h2Resource;
HANDLE hfRes;
HANDLE hFile;
HANDLE hSection;
CURSORICONFILEDIR *IconDIR;
@ -211,52 +210,69 @@ LoadCursorIconImage(
if (hinst == NULL)
hinst = User32Instance;
hResource = hfRes = FindResourceW(hinst, lpszName,
hResInfo = FindResourceW(hinst, lpszName,
Icon ? RT_GROUP_ICON : RT_GROUP_CURSOR);
if (hResource == NULL)
if (hResInfo == NULL)
return NULL;
if (fuLoad & LR_SHARED)
{
hIcon = NtUserFindExistingCursorIcon(hinst, (HRSRC)hfRes, width, height);
if (hIcon)
return hIcon;
}
hResource = LoadResource(hinst, hResource);
hResource = LoadResource(hinst, hResInfo);
if (hResource == NULL)
return NULL;
IconResDir = LockResource(hResource);
if (IconResDir == NULL)
{
FreeResource(hResource);
return NULL;
}
/* Find the best fitting in the IconResDir for this resolution */
id = LookupIconIdFromDirectoryEx((PBYTE)IconResDir, Icon, width, height,
fuLoad & (LR_DEFAULTCOLOR | LR_MONOCHROME));
h2Resource = FindResourceW(hinst, MAKEINTRESOURCEW(id),
FreeResource(hResource);
hResInfo = FindResourceW(hinst, MAKEINTRESOURCEW(id),
Icon ? (LPCWSTR) RT_ICON :
(LPCWSTR) RT_CURSOR);
if (h2Resource == NULL)
if (hResInfo == NULL)
{
return NULL;
}
hResource = LoadResource(hinst, h2Resource);
/* Now we have found the icon we want to load.
* Let's see if we already loaded it */
if (fuLoad & LR_SHARED)
{
hIcon = NtUserFindExistingCursorIcon(hinst, hResInfo, 0, 0);
if (hIcon)
{
return hIcon;
}
}
hResource = LoadResource(hinst, hResInfo);
if (hResource == NULL)
{
return NULL;
}
ResIcon = LockResource(hResource);
if (ResIcon == NULL)
{
FreeResource(hResource);
return NULL;
}
hIcon = CreateIconFromResourceEx((PBYTE)ResIcon,
SizeofResource(hinst, h2Resource),
SizeofResource(hinst, hResInfo),
Icon, 0x00030000, width, height,
fuLoad & (LR_DEFAULTCOLOR | LR_MONOCHROME));
FreeResource(hResource);
if (hIcon && 0 != (fuLoad & LR_SHARED))
{
NtUserSetCursorIconData((HICON)hIcon, NULL, NULL, hinst, (HRSRC)hfRes,
NtUserSetCursorIconData((HICON)hIcon, NULL, NULL, hinst, hResInfo,
(HRSRC)NULL);
}