X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e2f268db5c09e7a44e747f47dc0a46462e757021..bf2c43c76e2819be443ab1d830ab68d9569d66b1:/src/gtk/menu.cpp?ds=sidebyside diff --git a/src/gtk/menu.cpp b/src/gtk/menu.cpp index fe49bc3fa1..4cf5d7f04e 100644 --- a/src/gtk/menu.cpp +++ b/src/gtk/menu.cpp @@ -2,7 +2,6 @@ // 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 ///////////////////////////////////////////////////////////////////////////// @@ -17,6 +16,7 @@ #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" @@ -30,6 +30,9 @@ #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; @@ -43,8 +46,34 @@ extern "C" 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(); @@ -63,15 +92,6 @@ static void DoCommonMenuCallbackCode(wxMenu *menu, wxMenuEvent& event) 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_focusWidget = - m_widget = NULL; - g_object_unref(widget); - } } void wxMenuBar::Init(size_t n, wxMenu *menus[], const wxString titles[], long style) @@ -103,8 +123,6 @@ void wxMenuBar::Init(size_t n, wxMenu *menus[], const wxString titles[], long st } PostCreation(); - - GTKApplyWidgetStyle(); #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2 g_object_ref_sink(m_widget); @@ -133,6 +151,18 @@ wxMenuBar::wxMenuBar() 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) { @@ -154,6 +184,8 @@ DetachFromFrame(wxMenu* menu, wxFrame* frame) DetachFromFrame(menuitem->GetSubMenu(), frame); node = node->GetNext(); } + + EnsureNoGrab(menu->m_menu); } void @@ -241,6 +273,8 @@ void wxMenuBar::Detach() node = node->GetNext(); } + EnsureNoGrab(m_widget); + wxMenuBarBase::Detach(); } @@ -293,6 +327,7 @@ void wxMenuBar::GtkAppend(wxMenu* menu, const wxString& title, int pos) 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 ); @@ -334,10 +369,18 @@ wxMenu *wxMenuBar::Remove(size_t pos) 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; if ( m_menuBarFrame ) @@ -479,6 +522,9 @@ static void menuitem_activate(GtkWidget*, wxMenuItem* item) if (!item->IsEnabled()) return; + if ( !IsMenuEventAllowed(item->GetMenu()) ) + return; + int id = item->GetId(); if (id == wxGTK_TITLE_ID) { @@ -506,6 +552,14 @@ static void menuitem_activate(GtkWidget*, wxMenuItem* item) 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(); } } @@ -580,9 +634,20 @@ wxMenuItem::wxMenuItem(wxMenu *parentMenu, 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 @@ -715,8 +780,6 @@ void wxMenu::Init() 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; @@ -748,16 +811,18 @@ wxMenu::~wxMenu() // 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); } @@ -911,23 +976,14 @@ wxMenuItem *wxMenu::DoRemove(wxMenuItem *item) 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);