wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
event.SetEventObject(g_activeFrame);
- g_activeFrame->GetEventHandler()->ProcessEvent(event);
+ g_activeFrame->HandleWindowEvent(event);
return FALSE;
}
wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
event.SetEventObject(g_activeFrame);
- g_activeFrame->GetEventHandler()->ProcessEvent(event);
+ g_activeFrame->HandleWindowEvent(event);
g_activeFrame = NULL;
}
{
wxSizeEvent event(size, win->GetId());
event.SetEventObject(win);
- win->GetEventHandler()->ProcessEvent(event);
+ win->HandleWindowEvent(event);
}
// else the window is currently unmapped, don't generate size events
}
win->m_y = point.y;
wxMoveEvent mevent(point, win->GetId());
mevent.SetEventObject( win );
- win->GetEventHandler()->ProcessEvent( mevent );
+ win->HandleWindowEvent( mevent );
return FALSE;
}
wxSize(int(data[0] + data[1]), int(data[2] + data[3]));
if (win->m_decorSize != decorSize)
{
- // Update window size and frame extents cache
- win->m_width += decorSize.x - win->m_decorSize.x;
- win->m_height += decorSize.y - win->m_decorSize.y;
- if (win->m_width < 0) win->m_width = 0;
- if (win->m_height < 0) win->m_height = 0;
+ const wxSize diff = win->m_decorSize - decorSize;
win->m_decorSize = decorSize;
GetDecorSize(win->m_gdkDecor) = decorSize;
- win->m_oldClientWidth = 0;
- gtk_widget_queue_resize(win->m_wxwindow);
+ if (GTK_WIDGET_VISIBLE(win->m_widget))
+ {
+ // adjust overall size to match change in frame extents
+ win->m_width -= diff.x;
+ win->m_height -= diff.y;
+ if (win->m_width < 0) win->m_width = 0;
+ if (win->m_height < 0) win->m_height = 0;
+ win->m_oldClientWidth = 0;
+ gtk_widget_queue_resize(win->m_wxwindow);
+ }
+ else
+ {
+ // Window not yet visible, adjust client size. This would
+ // cause an obvious size change if window was visible.
+ int w, h;
+ win->GTKDoGetSize(&w, &h);
+ gtk_window_resize(GTK_WINDOW(win->m_widget), w, h);
+ }
+ }
+ if (!GTK_WIDGET_VISIBLE(win->m_widget))
+ {
+ // gtk_widget_show() was deferred, do it now
+ wxSizeEvent sizeEvent(win->GetSize(), win->GetId());
+ sizeEvent.SetEventObject(win);
+ win->HandleWindowEvent(sizeEvent);
+ gtk_widget_show(win->m_widget);
+ wxShowEvent showEvent(win->GetId(), true);
+ showEvent.SetEventObject(win);
+ win->HandleWindowEvent(showEvent);
}
}
if (data)
{
wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
- if (show && !IsShown())
+ if (show && !GTK_WIDGET_REALIZED(m_widget))
{
+ // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
+ // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
+ // notification is received, so correct frame extents are known.
+ // This allows resizing m_widget to keep the overall size in sync with
+ // what wxWidgets expects it to be without an obvious change in the
+ // window size immediately after it becomes visible.
+
+ // Realize m_widget, so m_widget->window can be used. Realizing causes
+ // the widget tree to be size_allocated, which generates size events in
+ // the wrong order. So temporarily remove child from m_widget while
+ // realizing.
+ GtkWidget* child = GTK_BIN(m_widget)->child;
+ if (child)
+ {
+ g_object_ref(child);
+ gtk_container_remove(GTK_CONTAINER(m_widget), child);
+ }
+ gtk_widget_realize(m_widget);
+ if (child)
+ {
+ gtk_container_add(GTK_CONTAINER(m_widget), child);
+ g_object_unref(child);
+ }
+
+ // if WM supports _NET_REQUEST_FRAME_EXTENTS
+ GdkAtom request_extents =
+ gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
+ GdkScreen* screen = gdk_drawable_get_screen(m_widget->window);
+ if (gdk_x11_screen_supports_net_wm_hint(screen, request_extents))
+ {
+ // send _NET_REQUEST_FRAME_EXTENTS
+ XClientMessageEvent xevent;
+ memset(&xevent, 0, sizeof(xevent));
+ xevent.type = ClientMessage;
+ xevent.window = gdk_x11_drawable_get_xid(m_widget->window);
+ xevent.message_type = gdk_x11_atom_to_xatom_for_display(
+ gdk_drawable_get_display(m_widget->window), request_extents);
+ xevent.format = 32;
+ Display* display = gdk_x11_drawable_get_xdisplay(m_widget->window);
+ XSendEvent(display, DefaultRootWindow(display), false,
+ SubstructureNotifyMask | SubstructureRedirectMask,
+ (XEvent*)&xevent);
+
+ // defer calling gtk_widget_show()
+ m_isShown = true;
+ return true;
+ }
+ // WM does not support _NET_REQUEST_FRAME_EXTENTS, overall size may
+ // change when correct frame extents become known.
+
// size_allocate signals occur in reverse order (bottom to top).
// Things work better if the initial wxSizeEvents are sent (from the
// top down), before the initial size_allocate signals occur.
wxSizeEvent event(GetSize(), GetId());
event.SetEventObject(this);
- GetEventHandler()->ProcessEvent(event);
+ HandleWindowEvent(event);
}
bool change = wxTopLevelWindowBase::Show(show);
GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
wxSizeEvent event(GetSize(), GetId());
event.SetEventObject(this);
- GetEventHandler()->ProcessEvent(event);
+ HandleWindowEvent(event);
}
}