extern wxMenu *wxCurrentPopupMenu;
#endif
+namespace
+{
+
// true if we had already created the std colour map, used by
// wxGetStdColourMap() and wxWindow::OnSysColourChanged() (FIXME-MT)
-static bool gs_hasStdCmap = false;
+bool gs_hasStdCmap = false;
// last mouse event information we need to filter out the duplicates
#if wxUSE_MOUSEEVENT_HACK
-static struct MouseEventInfoDummy
+struct MouseEventInfoDummy
{
// mouse position (in screen coordinates)
wxPoint pos;
wxIntegerHash, wxIntegerEqual,
MSWMessageHandlers);
-static MSWMessageHandlers gs_messageHandlers;
+MSWMessageHandlers gs_messageHandlers;
// hash containing all our windows, it uses HWND keys and wxWindow* values
WX_DECLARE_HASH_MAP(HWND, wxWindow *,
wxPointerHash, wxPointerEqual,
WindowHandles);
-static WindowHandles gs_windowHandles;
+WindowHandles gs_windowHandles;
+
+#ifdef wxHAS_MSW_BACKGROUND_ERASE_HOOK
+
+// temporary override for WM_ERASEBKGND processing: we don't store this in
+// wxWindow itself as we don't need it during most of the time so don't
+// increase the size of all window objects unnecessarily
+WX_DECLARE_HASH_MAP(wxWindow *, wxWindow *,
+ wxPointerHash, wxPointerEqual,
+ EraseBgHooks);
+
+EraseBgHooks gs_eraseBgHooks;
+
+#endif // wxHAS_MSW_BACKGROUND_ERASE_HOOK
+
+} // anonymous namespace
// ---------------------------------------------------------------------------
// private functions
// combinations which are always processed)
LONG lDlgCode = ::SendMessage(msg->hwnd, WM_GETDLGCODE, 0, 0);
- // surprizingly, DLGC_WANTALLKEYS bit mask doesn't contain the
+ // surprisingly, DLGC_WANTALLKEYS bit mask doesn't contain the
// DLGC_WANTTAB nor DLGC_WANTARROWS bits although, logically,
// it, of course, implies them
if ( lDlgCode & DLGC_WANTALLKEYS )
break;
case WM_ERASEBKGND:
- processed = HandleEraseBkgnd((WXHDC)wParam);
+ {
+#ifdef wxHAS_MSW_BACKGROUND_ERASE_HOOK
+ // check if an override was configured for this window
+ EraseBgHooks::const_iterator it = gs_eraseBgHooks.find(this);
+ if ( it != gs_eraseBgHooks.end() )
+ processed = it->second->MSWEraseBgHook((WXHDC)wParam);
+ else
+#endif // wxHAS_MSW_BACKGROUND_ERASE_HOOK
+ processed = HandleEraseBkgnd((WXHDC)wParam);
+ }
+
if ( processed )
{
// we processed the message, i.e. erased the background
y = pt.y;
ScreenToClient(&x, &y);
wxSetCursorEvent event(x, y);
+ event.SetId(GetId());
+ event.SetEventObject(this);
bool processedEvtSetCursor = HandleWindowEvent(event);
if ( processedEvtSetCursor && event.HasCursor() )
int themePart,
int themeState,
MSWThemeColour themeColour,
- wxSystemColour fallback)
+ wxSystemColour fallback) const
{
#if wxUSE_UXTHEME
const wxUxThemeEngine* theme = wxUxThemeEngine::GetIfActive();
wxFAIL_MSG(wxT("unsupported theme colour"));
};
- wxUxThemeHandle hTheme(this, themeName);
+ wxUxThemeHandle hTheme((const wxWindow *)this, themeName);
COLORREF col;
HRESULT hr = theme->GetThemeColor
(
// painting
// ---------------------------------------------------------------------------
+// this variable is used to check that a paint event handler which processed
+// the event did create a wxPaintDC inside its code and called BeginPaint() to
+// validate the invalidated window area as otherwise we'd keep getting an
+// endless stream of WM_PAINT messages for this window resulting in a lot of
+// difficult to debug problems (e.g. impossibility to repaint other windows,
+// lack of timer and idle events and so on)
+extern bool wxDidCreatePaintDC;
+bool wxDidCreatePaintDC = false;
+
bool wxWindowMSW::HandlePaint()
{
HRGN hRegion = ::CreateRectRgn(0, 0, 0, 0); // Dummy call to get a handle
m_updateRegion = wxRegion((WXHRGN) hRegion);
+ wxDidCreatePaintDC = false;
+
wxPaintEvent event(m_windowId);
event.SetEventObject(this);
bool processed = HandleWindowEvent(event);
+ if ( processed && !wxDidCreatePaintDC )
+ {
+ // do call MSWDefWindowProc() to validate the update region to avoid
+ // the problems mentioned above
+ processed = false;
+ }
+
// note that we must generate NC event after the normal one as otherwise
// BeginPaint() will happily overwrite our decorations with the background
// colour
return true;
}
+#ifdef wxHAS_MSW_BACKGROUND_ERASE_HOOK
+
+bool wxWindowMSW::MSWHasEraseBgHook() const
+{
+ return gs_eraseBgHooks.find(this) != gs_eraseBgHooks.end();
+}
+
+void wxWindowMSW::MSWSetEraseBgHook(wxWindow *child)
+{
+ if ( child )
+ {
+ if ( !gs_eraseBgHooks.insert(
+ EraseBgHooks::value_type(this, child)).second )
+ {
+ wxFAIL_MSG( wxT("Setting erase background hook twice?") );
+ }
+ }
+ else // reset the hook
+ {
+ if ( gs_eraseBgHooks.erase(this) != 1 )
+ {
+ wxFAIL_MSG( wxT("Resetting erase background which was not set?") );
+ }
+ }
+}
+
+#endif // wxHAS_MSW_BACKGROUND_ERASE_HOOK
+
bool wxWindowMSW::DoEraseBackground(WXHDC hDC)
{
HBRUSH hbr = (HBRUSH)MSWGetBgBrush(hDC);
if ( !hbr )
return false;
- wxFillRect(GetHwnd(), (HDC)hDC, hbr);
+ // erase just the client area of the window, this is important for the
+ // frames to avoid drawing over the toolbar part of the window (you might
+ // think using WS_CLIPCHILDREN would prevent this from happening, but it
+ // clearly doesn't)
+ RECT rc;
+ wxCopyRectToRECT(GetClientRect(), rc);
+ ::FillRect((HDC)hDC, &rc, hbr);
return true;
}
projects / wxWidgets.git / blobdiff