static wxWindowGTK *g_captureWindow = (wxWindowGTK*) NULL;
static bool g_captureWindowHasMouse = false;
-// The window that currently has focus or is scheduled to get it in the next
-// event loop iteration
-static wxWindowGTK *gs_focusWindow = NULL;
+// The window that currently has focus:
+static wxWindowGTK *gs_currentFocus = NULL;
+// The window that is scheduled to get focus in the next event loop iteration
+// or NULL if there's no pending focus change:
+static wxWindowGTK *gs_pendingFocus = NULL;
// the window that has deferred focus-out event pending, if any (see
// GTKAddDeferredFocusOut() for details)
return TRUE;
if ((event_type == wxEVT_LEFT_DOWN) && !win->IsOfStandardClass() &&
- (gs_focusWindow != win) /* && win->IsFocusable() */)
+ (gs_currentFocus != win) /* && win->IsFocusable() */)
{
win->SetFocus();
}
wxWindow *wxWindowBase::DoFindFocus()
{
+ wxWindowGTK *focus = gs_pendingFocus ? gs_pendingFocus : gs_currentFocus;
// the cast is necessary when we compile in wxUniversal mode
- return wx_static_cast(wxWindow*, gs_focusWindow);
+ return wx_static_cast(wxWindow*, focus);
}
//-----------------------------------------------------------------------------
m_focusWidget = m_wxwindow;
+ SetCanFocus(AcceptsFocus());
+
PostCreation();
return true;
{
SendDestroyEvent();
- if (gs_focusWindow == this)
- gs_focusWindow = NULL;
+ if (gs_currentFocus == this)
+ gs_currentFocus = NULL;
+ if (gs_pendingFocus == this)
+ gs_pendingFocus = NULL;
if ( gs_deferredFocusOut == this )
gs_deferredFocusOut = NULL;
if (m_imData)
gtk_im_context_focus_in(m_imData->context);
- // NB: SetFocus() does this assignment too, but not all focus changes
- // originate from SetFocus() call
- gs_focusWindow = this;
+ gs_currentFocus = this;
+ gs_pendingFocus = NULL;
#if wxUSE_CARET
// caret needs to be informed about focus change
if (m_imData)
gtk_im_context_focus_out(m_imData->context);
- if ( gs_focusWindow != this )
+ if ( gs_currentFocus != this )
{
- // Something is terribly wrong, gs_focusWindow is out of sync with the
+ // Something is terribly wrong, gs_currentFocus is out of sync with the
// real focus. We will reset it to NULL anyway, because after this
// focus-out event is handled, one of the following with happen:
//
// * either focus will go out of the app altogether, in which case
- // gs_focusWindow _should_ be NULL
+ // gs_currentFocus _should_ be NULL
//
// * or it goes to another control, in which case focus-in event will
- // follow immediately and it will set gs_focusWindow to the right
+ // follow immediately and it will set gs_currentFocus to the right
// value
wxLogDebug("window %s(%p, %s) lost focus even though it didn't have it",
GetClassInfo()->GetClassName(), this, GetLabel());
}
- gs_focusWindow = NULL;
+ gs_currentFocus = NULL;
#if wxUSE_CARET
// caret needs to be informed about focus change
// Because we want to FindFocus() call immediately following
// foo->SetFocus() to return foo, we have to keep track of "pending" focus
// ourselves.
- gs_focusWindow = this;
+ gs_pendingFocus = this;
GtkWidget *widget = m_wxwindow ? m_wxwindow : m_focusWidget;
// freeze/thaw
// ----------------------------------------------------------------------------
+extern "C"
+{
+
+// this is called if we attempted to freeze unrealized widget when it finally
+// is realized (and so can be frozen):
+static void wx_frozen_widget_realize(GtkWidget* w, void* WXUNUSED(data))
+{
+ wxASSERT( w && !GTK_WIDGET_NO_WINDOW(w) );
+ wxASSERT( GTK_WIDGET_REALIZED(w) );
+
+ g_signal_handlers_disconnect_by_func
+ (
+ w,
+ (void*)wx_frozen_widget_realize,
+ NULL
+ );
+
+ gdk_window_freeze_updates(w->window);
+}
+
+} // extern "C"
+
void wxWindowGTK::GTKFreezeWidget(GtkWidget *w)
{
- if ( w && !GTK_WIDGET_NO_WINDOW(w) )
- gdk_window_freeze_updates(w->window);
+ if ( !w || GTK_WIDGET_NO_WINDOW(w) )
+ return; // window-less widget, cannot be frozen
+
+ if ( !GTK_WIDGET_REALIZED(w) )
+ {
+ // we can't thaw unrealized widgets because they don't have GdkWindow,
+ // so set it up to be done immediately after realization:
+ g_signal_connect_after
+ (
+ w,
+ "realize",
+ G_CALLBACK(wx_frozen_widget_realize),
+ NULL
+ );
+ return;
+ }
+
+ gdk_window_freeze_updates(w->window);
}
void wxWindowGTK::GTKThawWidget(GtkWidget *w)
{
- if ( w && !GTK_WIDGET_NO_WINDOW(w) )
- gdk_window_thaw_updates(w->window);
+ if ( !w || GTK_WIDGET_NO_WINDOW(w) )
+ return; // window-less widget, cannot be frozen
+
+ if ( !GTK_WIDGET_REALIZED(w) )
+ {
+ // the widget wasn't realized yet, no need to thaw
+ g_signal_handlers_disconnect_by_func
+ (
+ w,
+ (void*)wx_frozen_widget_realize,
+ NULL
+ );
+ return;
+ }
+
+ gdk_window_thaw_updates(w->window);
}
void wxWindowGTK::DoFreeze()