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fixes to Freeze/Thawn when the window is shown or hidden in between Freeze and Thaw

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52688 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
2008-03-22 11:55:11 +00:00
parent 22f43cb5a7
commit 89267fe552
2 changed files with 77 additions and 13 deletions
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60
src/gtk/window.cpp
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@@ -4311,16 +4311,68 @@ GdkWindow* wxWindowGTK::GTKGetDrawingWindow() const
// 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()