// Name: src/gtk/menu.cpp
// Purpose: implementation of wxMenuBar and wxMenu classes for wxGTK
// Author: Robert Roebling
-// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef WX_PRECOMP
#include "wx/intl.h"
#include "wx/log.h"
+ #include "wx/dialog.h"
#include "wx/frame.h"
#include "wx/bitmap.h"
#include "wx/app.h"
#include "wx/gtk/private/gtk2-compat.h"
#include "wx/gtk/private/mnemonics.h"
+// Number of currently open modal dialogs, defined in src/gtk/toplevel.cpp.
+extern int wxOpenModalDialogsCount;
+
// we use normal item but with a special id for the menu title
static const int wxGTK_TITLE_ID = -3;
static void wxGetGtkAccel(const wxMenuItem*, guint*, GdkModifierType*);
#endif
+// Unity hack: under Ubuntu Unity the global menu bar is not affected by a
+// modal dialog being shown, so the user can select a menu item before hiding
+// the dialog and, in particular, a new instance of the same dialog can be
+// shown again, breaking a lot of programs not expecting this.
+//
+// So explicitly ignore any menu events generated while any modal dialogs
+// are opened except for the events generated by a context menu within the
+// modal dialog itself that should have a dialog as their invoking window.
+static bool IsMenuEventAllowed(wxMenu* menu)
+{
+ if ( wxOpenModalDialogsCount )
+ {
+ wxWindow* tlw = wxGetTopLevelParent(menu->GetWindow());
+ if ( !tlw || !wxDynamicCast(tlw, wxDialog) )
+ {
+ // This must be an event from a menu bar of one of the frames.
+ return false;
+ }
+ }
+
+ return true;
+}
+
static void DoCommonMenuCallbackCode(wxMenu *menu, wxMenuEvent& event)
{
+ if ( !IsMenuEventAllowed(menu) )
+ return;
+
event.SetEventObject( menu );
wxEvtHandler* handler = menu->GetEventHandler();
wxMenuBar::~wxMenuBar()
{
- if (m_widget)
- {
- // Work around a probable bug in Ubuntu 12.04 which causes a warning if
- // gtk_widget_destroy() is called on a wxMenuBar attached to a frame
- GtkWidget* widget = m_widget;
- m_widget = NULL;
- g_object_unref(widget);
- }
}
void wxMenuBar::Init(size_t n, wxMenu *menus[], const wxString titles[], long style)
}
PostCreation();
-
- GTKApplyWidgetStyle();
#endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
g_object_ref_sink(m_widget);
namespace
{
+// This should be called when detaching menus to ensure that they don't keep
+// focus grab, because if they do, they continue getting all GTK+ messages
+// which they can't process any more in their (soon to be) unrealized state.
+void
+EnsureNoGrab(GtkWidget* widget)
+{
+#if !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
+ gtk_widget_hide(widget);
+ gtk_grab_remove(widget);
+#endif // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
+}
+
void
DetachFromFrame(wxMenu* menu, wxFrame* frame)
{
DetachFromFrame(menuitem->GetSubMenu(), frame);
node = node->GetNext();
}
+
+ EnsureNoGrab(menu->m_menu);
}
void
node = node->GetNext();
}
+ EnsureNoGrab(m_widget);
+
wxMenuBarBase::Detach();
}
gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
}
+ g_object_ref(menu->m_owner);
gtk_widget_show( menu->m_owner );
if ( !menu )
return NULL;
- gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu->m_owner), NULL);
+ // remove item from menubar before destroying item to avoid spurious
+ // warnings from Ubuntu libdbusmenu
gtk_container_remove(GTK_CONTAINER(m_menubar), menu->m_owner);
+ // remove submenu to avoid destroying it when item is destroyed
+#ifdef __WXGTK3__
+ gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu->m_owner), NULL);
+#else
+ gtk_menu_item_remove_submenu(GTK_MENU_ITEM(menu->m_owner));
+#endif
gtk_widget_destroy( menu->m_owner );
+ g_object_unref(menu->m_owner);
menu->m_owner = NULL;
- DetachFromFrame( menu, m_menuBarFrame );
+ if ( m_menuBarFrame )
+ DetachFromFrame( menu, m_menuBarFrame );
return menu;
}
if (!item->IsEnabled())
return;
+ if ( !IsMenuEventAllowed(item->GetMenu()) )
+ return;
+
int id = item->GetId();
if (id == wxGTK_TITLE_ID)
{
wxMenu* menu = item->GetMenu();
menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1);
+
+ // A lot of existing code, including any program that closes its main
+ // window from a menu handler and expects the program to exit -- as our own
+ // minimal sample -- relies on getting an idle event after a menu event.
+ // But when using Ubuntu Unity detached menus, we get called from a DBUS
+ // handler called from g_timeout_dispatch() and Glib doesn't send us any
+ // idle events after it. So ask explicitly for an idle event to get one.
+ wxWakeUpIdle();
}
}
wxMenuItem::~wxMenuItem()
{
+ if (m_menuItem)
+ g_object_unref(m_menuItem);
// don't delete menu items, the menus take care of that
}
+void wxMenuItem::SetMenuItem(GtkWidget* menuItem)
+{
+ if (m_menuItem)
+ g_object_unref(m_menuItem);
+ m_menuItem = menuItem;
+ if (menuItem)
+ g_object_ref(menuItem);
+}
+
void wxMenuItem::SetItemLabel( const wxString& str )
{
#if wxUSE_ACCEL
// "hide" from m_menu
static void menu_hide(GtkWidget*, wxMenu* menu)
{
+ // When using Ubuntu Unity desktop environment we get "hide" signal even
+ // when the window is not shown yet because Unity hides all the menus to
+ // show them only in the global menu bar. Just ignore this even instead of
+ // crashing in DoCommonMenuCallbackCode().
+ if ( !menu->GetWindow() )
+ return;
+
wxMenuEvent event(wxEVT_MENU_CLOSE, menu->m_popupShown ? -1 : 0, menu);
menu->m_popupShown = false;
DoCommonMenuCallbackCode(menu, event);
m_accel = gtk_accel_group_new();
m_menu = gtk_menu_new();
- // NB: keep reference to the menu so that it is not destroyed behind
- // our back by GTK+ e.g. when it is removed from menubar:
g_object_ref_sink(m_menu);
m_owner = NULL;
// Destroying a menu generates a "hide" signal even if it's not shown
// currently, so disconnect it to avoid dummy wxEVT_MENU_CLOSE events
// generation.
- g_signal_handlers_disconnect_by_func(m_menu, (gpointer)menu_hide, this);
+ g_signal_handlers_disconnect_matched(m_menu,
+ GSignalMatchType(G_SIGNAL_MATCH_DATA), 0, 0, NULL, NULL, this);
- // see wxMenu::Init
- g_object_unref(m_menu);
-
- // if the menu is inserted in another menu at this time, there was
- // one more reference to it:
if (m_owner)
- gtk_widget_destroy(m_menu);
+ {
+ gtk_widget_destroy(m_owner);
+ g_object_unref(m_owner);
+ }
+ else
+ gtk_widget_destroy(m_menu);
+ g_object_unref(m_menu);
g_object_unref(m_accel);
}
return NULL;
GtkWidget * const mitem = item->GetMenuItem();
+
+ g_signal_handlers_disconnect_matched(mitem,
+ GSignalMatchType(G_SIGNAL_MATCH_DATA), 0, 0, NULL, NULL, item);
+
#ifdef __WXGTK3__
gtk_menu_item_set_submenu(GTK_MENU_ITEM(mitem), NULL);
#else
- if (!gtk_check_version(2,12,0))
- {
- // gtk_menu_item_remove_submenu() is deprecated since 2.12, but
- // gtk_menu_item_set_submenu() can now be used with NULL submenu now so
- // just do use it.
- gtk_menu_item_set_submenu(GTK_MENU_ITEM(mitem), NULL);
- }
- else // GTK+ < 2.12
- {
- // In 2.10 calling gtk_menu_item_set_submenu() with NULL submenu
- // results in critical GTK+ error messages so use the old function
- // instead.
- gtk_menu_item_remove_submenu(GTK_MENU_ITEM(mitem));
- }
+ gtk_menu_item_remove_submenu(GTK_MENU_ITEM(mitem));
#endif
gtk_widget_destroy(mitem);
projects / wxWidgets.git / blobdiff