+ return GetEventHandler()->ProcessEvent(event);
+}
+
+bool wxWindowMSW::HandleCaptureChanged(WXHWND hWndGainedCapture)
+{
+ wxMouseCaptureChangedEvent event(GetId(), wxFindWinFromHandle(hWndGainedCapture));
+ event.SetEventObject(this);
+
+ return GetEventHandler()->ProcessEvent(event);
+}
+
+bool wxWindowMSW::HandleQueryNewPalette()
+{
+
+#if wxUSE_PALETTE
+ // check to see if we our our parents have a custom palette
+ wxWindowMSW *win = this;
+ while (!win->HasCustomPalette() && win->GetParent()) win = win->GetParent();
+ if (win->HasCustomPalette()) {
+ /* realize the palette to see whether redrawing is needed */
+ HDC hdc = GetDC((HWND) GetHWND());
+ win->m_palette.SetHPALETTE( (WXHPALETTE)
+ ::SelectPalette(hdc, (HPALETTE) win->m_palette.GetHPALETTE(), FALSE) );
+
+ int result = ::RealizePalette(hdc);
+ /* restore the palette (before releasing the DC) */
+ win->m_palette.SetHPALETTE( (WXHPALETTE)
+ ::SelectPalette(hdc, (HPALETTE) win->m_palette.GetHPALETTE(), TRUE) );
+ ::RealizePalette(hdc);
+ ::ReleaseDC((HWND) GetHWND(), hdc);
+ /* now check for the need to redraw */
+ if (result > 0)
+ ::InvalidateRect((HWND) GetHWND(), NULL, TRUE);
+ }
+#endif // wxUSE_PALETTE
+
+ wxQueryNewPaletteEvent event(GetId());
+ event.SetEventObject(this);
+
+ return GetEventHandler()->ProcessEvent(event) && event.GetPaletteRealized();
+}
+
+// Responds to colour changes: passes event on to children.
+void wxWindowMSW::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
+{
+ // the top level window also reset the standard colour map as it might have
+ // changed (there is no need to do it for the non top level windows as we
+ // only have to do it once)
+ if ( IsTopLevel() )
+ {
+ // FIXME-MT
+ gs_hasStdCmap = FALSE;
+ }
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ while ( node )
+ {
+ // Only propagate to non-top-level windows because Windows already
+ // sends this event to all top-level ones
+ wxWindow *win = node->GetData();
+ if ( !win->IsTopLevel() )
+ {
+ // we need to send the real WM_SYSCOLORCHANGE and not just trigger
+ // EVT_SYS_COLOUR_CHANGED call because the latter wouldn't work for
+ // the standard controls
+ ::SendMessage(GetHwndOf(win), WM_SYSCOLORCHANGE, 0, 0);
+ }
+
+ node = node->GetNext();
+ }
+
+ // update the colours we use if they were not set explicitly by the user:
+ // this must be done or OnCtlColor() would continue to use the old colours
+ if ( !m_hasFgCol )
+ {
+ m_foregroundColour = wxSystemSettings::
+ GetSystemColour(wxSYS_COLOUR_WINDOWTEXT);
+ }
+
+ if ( !m_hasBgCol )
+ {
+ m_backgroundColour = wxSystemSettings::
+ GetSystemColour(wxSYS_COLOUR_BTNFACE);
+ }
+}
+
+extern wxCOLORMAP *wxGetStdColourMap()
+{
+ static COLORREF s_stdColours[wxSTD_COL_MAX];
+ static wxCOLORMAP s_cmap[wxSTD_COL_MAX];
+
+ if ( !gs_hasStdCmap )
+ {
+ static bool s_coloursInit = FALSE;
+
+ if ( !s_coloursInit )
+ {
+ // When a bitmap is loaded, the RGB values can change (apparently
+ // because Windows adjusts them to care for the old programs always
+ // using 0xc0c0c0 while the transparent colour for the new Windows
+ // versions is different). But we do this adjustment ourselves so
+ // we want to avoid Windows' "help" and for this we need to have a
+ // reference bitmap which can tell us what the RGB values change
+ // to.
+ wxBitmap stdColourBitmap(_T("wxBITMAP_STD_COLOURS"));
+ if ( stdColourBitmap.Ok() )
+ {
+ // the pixels in the bitmap must correspond to wxSTD_COL_XXX!
+ wxASSERT_MSG( stdColourBitmap.GetWidth() == wxSTD_COL_MAX,
+ _T("forgot to update wxBITMAP_STD_COLOURS!") );
+
+ wxMemoryDC memDC;
+ memDC.SelectObject(stdColourBitmap);
+
+ wxColour colour;
+ for ( size_t i = 0; i < WXSIZEOF(s_stdColours); i++ )
+ {
+ memDC.GetPixel(i, 0, &colour);
+ s_stdColours[i] = wxColourToRGB(colour);
+ }
+ }
+ else // wxBITMAP_STD_COLOURS couldn't be loaded
+ {
+ s_stdColours[0] = RGB(000,000,000); // black
+ s_stdColours[1] = RGB(128,128,128); // dark grey
+ s_stdColours[2] = RGB(192,192,192); // light grey
+ s_stdColours[3] = RGB(255,255,255); // white
+ //s_stdColours[4] = RGB(000,000,255); // blue
+ //s_stdColours[5] = RGB(255,000,255); // magenta
+ }
+
+ s_coloursInit = TRUE;
+ }
projects / wxWidgets.git / blobdiff