diff options
Diffstat (limited to 'win32/PlatWin.cxx')
| -rw-r--r-- | win32/PlatWin.cxx | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/win32/PlatWin.cxx b/win32/PlatWin.cxx index 26b7adb3f..b9926a366 100644 --- a/win32/PlatWin.cxx +++ b/win32/PlatWin.cxx @@ -2582,6 +2582,9 @@ void ListBoxX::StartResize(WPARAM hitCode) { } LRESULT ListBoxX::NcHitTest(WPARAM wParam, LPARAM lParam) const { + Window win = *this; // Copy HWND to avoid const problems + const PRectangle rc = win.GetPosition(); + LRESULT hit = ::DefWindowProc(GetHWND(), WM_NCHITTEST, wParam, lParam); // There is an apparent bug in the DefWindowProc hit test code whereby it will // return HTTOPXXX if the window in question is shorter than the default @@ -2589,7 +2592,6 @@ LRESULT ListBoxX::NcHitTest(WPARAM wParam, LPARAM lParam) const { // the frame, so workaround that here if (hit >= HTTOP && hit <= HTTOPRIGHT) { int minHeight = GetSystemMetrics(SM_CYMINTRACK); - PRectangle rc = const_cast<ListBoxX*>(this)->GetPosition(); int yPos = GET_Y_LPARAM(lParam); if ((rc.Height() < minHeight) && (yPos > ((rc.top + rc.bottom)/2))) { hit += HTBOTTOM - HTTOP; @@ -2607,7 +2609,6 @@ LRESULT ListBoxX::NcHitTest(WPARAM wParam, LPARAM lParam) const { case HTTOP: case HTTOPRIGHT: { - PRectangle rc = const_cast<ListBoxX*>(this)->GetPosition(); // Valid only if caret below list if (location.y < rc.top) hit = HTERROR; @@ -2616,7 +2617,6 @@ LRESULT ListBoxX::NcHitTest(WPARAM wParam, LPARAM lParam) const { case HTBOTTOM: case HTBOTTOMRIGHT: { - PRectangle rc = const_cast<ListBoxX*>(this)->GetPosition(); // Valid only if caret above list if (rc.bottom <= location.y) hit = HTERROR; @@ -2635,7 +2635,8 @@ void ListBoxX::OnDoubleClick() { } POINT ListBoxX::GetClientExtent() const { - PRectangle rc = const_cast<ListBoxX*>(this)->GetClientPosition(); + Window win = *this; // Copy HWND to avoid const problems + const PRectangle rc = win.GetPosition(); POINT ret; ret.x = static_cast<LONG>(rc.Width()); ret.y = static_cast<LONG>(rc.Height()); |