diff options
Diffstat (limited to 'redo/common_windows.c')
| -rw-r--r-- | redo/common_windows.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/redo/common_windows.c b/redo/common_windows.c index 50be912..6b6f08f 100644 --- a/redo/common_windows.c +++ b/redo/common_windows.c @@ -89,10 +89,13 @@ BOOL sharedWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT * *lResult = forwardNotify(hwnd, uMsg, wParam, lParam); return TRUE; case WM_CTLCOLORSTATIC: + case WM_CTLCOLORBTN: exstyle = (DWORD) GetWindowLongPtrW((HWND) lParam, GWL_EXSTYLE); - if ((exstyle & WS_EX_TRANSPARENT) != 0) { + // TODO clean this up +{// if ((exstyle & WS_EX_TRANSPARENT) != 0) { if (SetBkMode((HDC) wParam, TRANSPARENT) == 0) xpanic("error setting transparent background mode to Labels", GetLastError()); + paintControlBackground((HWND) lParam, (HDC) wParam); *lResult = (LRESULT) hollowBrush; return TRUE; } @@ -100,3 +103,35 @@ BOOL sharedWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT * } return FALSE; } + +void paintControlBackground(HWND hwnd, HDC dc) +{ + HWND parent; + RECT r; + POINT p; + int saved; + + // 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()); + 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 + p.x = r.left; + p.y = r.top; + if (ScreenToClient(parent, &p) == 0) + xpanic("error getting client origin of control in paintControlBackground()", GetLastError()); + saved = SaveDC(dc); + if (saved == 0) + xpanic("error saving DC info in paintControlBackground()", GetLastError()); + if (SetWindowOrgEx(dc, p.x, p.y, NULL) == 0) + xpanic("error moving window origin in paintControlBackground()", GetLastError()); + SendMessageW(parent, WM_PRINTCLIENT, (WPARAM) dc, PRF_CLIENT); + if (RestoreDC(dc, saved) == 0) + xpanic("error restoring DC info in paintControlBackground()", GetLastError()); +} |