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Fixed Group child control transparency on Windows.

This commit is contained in:
Pietro Gagliardi 2014-08-28 13:30:29 -04:00
parent d0f9c8af8a
commit 2e4ede72cf
1 changed files with 12 additions and 7 deletions
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19
redo/common_windows.c
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@ -110,15 +110,20 @@ void paintControlBackground(HWND hwnd, HDC dc)
RECT r;
POINT p;
int saved;
WCHAR classname[128] = L""; // more than enough to avoid collisions
// TODO traverse deeper if a groupbox
// TODO implement WM_PRINTCLIENT in window_windows.c
parent = GetParent(hwnd);
if (parent == NULL)
xpanic("error getting parent container of control in paintControlBackground()", GetLastError());
parent = GetParent(parent);
if (parent == NULL)
xpanic("error getting parent control of control in paintControlBackground()", GetLastError());
parent = hwnd;
do {
parent = GetParent(parent);
if (parent == NULL)
xpanic("error getting parent container of control in paintControlBackground()", GetLastError());
parent = GetParent(parent);
if (parent == NULL)
xpanic("error getting parent control of control in paintControlBackground()", GetLastError());
if (GetClassNameW(parent, classname, 128) == 0)
xpanic("error getting name of focused window class in paintControlBackground()", GetLastError());
} while (_wcsicmp(classname, L"button") == 0); // skip groupboxes
if (GetWindowRect(hwnd, &r) == 0)
xpanic("error getting control's window rect in paintControlBackground()", GetLastError());
// the above is a window rect; convert to client rect