///////////////////////////////////////////////////////////////////////////// // Name: src/gtk1/menu.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #include "wx/menu.h" #include "wx/stockitem.h" #ifndef WX_PRECOMP #include "wx/intl.h" #include "wx/log.h" #include "wx/app.h" #include "wx/bitmap.h" #endif #if wxUSE_ACCEL #include "wx/accel.h" #endif // wxUSE_ACCEL #include "wx/gtk1/private.h" #include #define ACCEL_OBJECT GtkObject #define ACCEL_OBJECTS(a) (a)->attach_objects #define ACCEL_OBJ_CAST(obj) GTK_OBJECT(obj) // we use normal item but with a special id for the menu title static const int wxGTK_TITLE_ID = -3; // defined in window.cpp extern guint32 wxGtkTimeLastClick; //----------------------------------------------------------------------------- // idle system //----------------------------------------------------------------------------- extern void wxapp_install_idle_handler(); extern bool g_isIdle; #if wxUSE_ACCEL static wxString GetGtkHotKey( const wxMenuItem& item ); #endif //----------------------------------------------------------------------------- // idle system //----------------------------------------------------------------------------- static wxString wxReplaceUnderscore( const wxString& title ) { const wxChar *pc; // GTK 1.2 wants to have "_" instead of "&" for accelerators wxString str; pc = title; while (*pc != wxT('\0')) { if ((*pc == wxT('&')) && (*(pc+1) == wxT('&'))) { // "&" is doubled to indicate "&" instead of accelerator ++pc; str << wxT('&'); } else if (*pc == wxT('&')) { str << wxT('_'); } else { if ( *pc == wxT('_') ) { // underscores must be doubled to prevent them from being // interpreted as accelerator character prefix by GTK str << *pc; } str << *pc; } ++pc; } // wxPrintf( wxT("before %s after %s\n"), title.c_str(), str.c_str() ); return str; } //----------------------------------------------------------------------------- // activate message from GTK //----------------------------------------------------------------------------- static void DoCommonMenuCallbackCode(wxMenu *menu, wxMenuEvent& event) { if (g_isIdle) wxapp_install_idle_handler(); event.SetEventObject( menu ); wxEvtHandler* handler = menu->GetEventHandler(); if (handler && handler->ProcessEvent(event)) return; wxWindow *win = menu->GetInvokingWindow(); if (win) win->GetEventHandler()->ProcessEvent( event ); } extern "C" { static void gtk_menu_open_callback( GtkWidget *widget, wxMenu *menu ) { wxMenuEvent event(wxEVT_MENU_OPEN, -1, menu); DoCommonMenuCallbackCode(menu, event); } static void gtk_menu_close_callback( GtkWidget *widget, wxMenuBar *menubar ) { if ( !menubar->GetMenuCount() ) { // if menubar is empty we can't call GetMenu(0) below return; } wxMenuEvent event( wxEVT_MENU_CLOSE, -1, NULL ); DoCommonMenuCallbackCode(menubar->GetMenu(0), event); } } //----------------------------------------------------------------------------- // wxMenuBar //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow) void wxMenuBar::Init(size_t n, wxMenu *menus[], const wxString titles[], long style) { // the parent window is known after wxFrame::SetMenu() m_needParent = false; m_style = style; m_invokingWindow = (wxWindow*) NULL; if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) || !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") )) { wxFAIL_MSG( wxT("wxMenuBar creation failed") ); return; } m_menubar = gtk_menu_bar_new(); m_accel = gtk_accel_group_new(); if (style & wxMB_DOCKABLE) { m_widget = gtk_handle_box_new(); gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) ); gtk_widget_show( GTK_WIDGET(m_menubar) ); } else { m_widget = GTK_WIDGET(m_menubar); } PostCreation(); ApplyWidgetStyle(); for (size_t i = 0; i < n; ++i ) Append(menus[i], titles[i]); // VZ: for some reason connecting to menus "deactivate" doesn't work (we // don't get it when the menu is dismissed by clicking outside the // toolbar) so we connect to the global one, even if it means that we // can't pass the menu which was closed in wxMenuEvent object gtk_signal_connect( GTK_OBJECT(GTK_MENU_SHELL(m_menubar)), "deactivate", GTK_SIGNAL_FUNC(gtk_menu_close_callback), (gpointer)this ); } wxMenuBar::wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style) { Init(n, menus, titles, style); } wxMenuBar::wxMenuBar(long style) { Init(0, NULL, NULL, style); } wxMenuBar::wxMenuBar() { Init(0, NULL, NULL, 0); } wxMenuBar::~wxMenuBar() { } static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win ) { menu->SetInvokingWindow( (wxWindow*) NULL ); wxWindow *top_frame = win; while (top_frame->GetParent() && !(top_frame->IsTopLevel())) top_frame = top_frame->GetParent(); // support for native hot keys gtk_accel_group_detach( menu->m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) ); wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst(); while (node) { wxMenuItem *menuitem = node->GetData(); if (menuitem->IsSubMenu()) wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win ); node = node->GetNext(); } } static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win ) { menu->SetInvokingWindow( win ); wxWindow *top_frame = win; while (top_frame->GetParent() && !(top_frame->IsTopLevel())) top_frame = top_frame->GetParent(); // support for native hot keys ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget); if ( !g_slist_find( ACCEL_OBJECTS(menu->m_accel), obj ) ) gtk_accel_group_attach( menu->m_accel, obj ); wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst(); while (node) { wxMenuItem *menuitem = node->GetData(); if (menuitem->IsSubMenu()) wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win ); node = node->GetNext(); } } void wxMenuBar::SetInvokingWindow( wxWindow *win ) { m_invokingWindow = win; wxWindow *top_frame = win; while (top_frame->GetParent() && !(top_frame->IsTopLevel())) top_frame = top_frame->GetParent(); // support for native key accelerators indicated by underscroes ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget); if ( !g_slist_find( ACCEL_OBJECTS(m_accel), obj ) ) gtk_accel_group_attach( m_accel, obj ); wxMenuList::compatibility_iterator node = m_menus.GetFirst(); while (node) { wxMenu *menu = node->GetData(); wxMenubarSetInvokingWindow( menu, win ); node = node->GetNext(); } } void wxMenuBar::UnsetInvokingWindow( wxWindow *win ) { m_invokingWindow = (wxWindow*) NULL; wxWindow *top_frame = win; while (top_frame->GetParent() && !(top_frame->IsTopLevel())) top_frame = top_frame->GetParent(); // support for native key accelerators indicated by underscroes gtk_accel_group_detach( m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) ); wxMenuList::compatibility_iterator node = m_menus.GetFirst(); while (node) { wxMenu *menu = node->GetData(); wxMenubarUnsetInvokingWindow( menu, win ); node = node->GetNext(); } } bool wxMenuBar::Append( wxMenu *menu, const wxString &title ) { if ( !wxMenuBarBase::Append( menu, title ) ) return false; return GtkAppend(menu, title); } bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title, int pos) { wxString str( wxReplaceUnderscore( title ) ); // This doesn't have much effect right now. menu->SetTitle( str ); // The "m_owner" is the "menu item" menu->m_owner = gtk_menu_item_new_with_label( wxGTK_CONV( str ) ); GtkLabel *label = GTK_LABEL( GTK_BIN(menu->m_owner)->child ); // set new text gtk_label_set_text( label, wxGTK_CONV( str ) ); // reparse key accel guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( str ) ); if (accel_key != GDK_VoidSymbol) { gtk_widget_add_accelerator (menu->m_owner, "activate_item", m_accel, //gtk_menu_ensure_uline_accel_group(GTK_MENU(m_menubar)), accel_key, GDK_MOD1_MASK, GTK_ACCEL_LOCKED); } gtk_widget_show( menu->m_owner ); gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu ); if (pos == -1) gtk_menu_shell_append( GTK_MENU_SHELL(m_menubar), menu->m_owner ); else gtk_menu_shell_insert( GTK_MENU_SHELL(m_menubar), menu->m_owner, pos ); gtk_signal_connect( GTK_OBJECT(menu->m_owner), "activate", GTK_SIGNAL_FUNC(gtk_menu_open_callback), (gpointer)menu ); // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables // addings menu later on. if (m_invokingWindow) { wxMenubarSetInvokingWindow( menu, m_invokingWindow ); // OPTIMISE ME: we should probably cache this, or pass it // directly, but for now this is a minimal // change to validate the new dynamic sizing. // see (and refactor :) similar code in Remove // below. wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame ); if( frame ) frame->UpdateMenuBarSize(); } return true; } bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title) { if ( !wxMenuBarBase::Insert(pos, menu, title) ) return false; // TODO if ( !GtkAppend(menu, title, (int)pos) ) return false; return true; } wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title) { // remove the old item and insert a new one wxMenu *menuOld = Remove(pos); if ( menuOld && !Insert(pos, menu, title) ) { return (wxMenu*) NULL; } // either Insert() succeeded or Remove() failed and menuOld is NULL return menuOld; } wxMenu *wxMenuBar::Remove(size_t pos) { wxMenu *menu = wxMenuBarBase::Remove(pos); if ( !menu ) return (wxMenu*) NULL; gtk_menu_item_remove_submenu( GTK_MENU_ITEM(menu->m_owner) ); gtk_container_remove(GTK_CONTAINER(m_menubar), menu->m_owner); gtk_widget_destroy( menu->m_owner ); menu->m_owner = NULL; if (m_invokingWindow) { // OPTIMISE ME: see comment in GtkAppend wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame ); if( frame ) frame->UpdateMenuBarSize(); } return menu; } static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString ) { if (wxMenuItem::GetLabelFromText(menu->GetTitle()) == wxMenuItem::GetLabelFromText(menuString)) { int res = menu->FindItem( itemString ); if (res != wxNOT_FOUND) return res; } wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst(); while (node) { wxMenuItem *item = node->GetData(); if (item->IsSubMenu()) return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString); node = node->GetNext(); } return wxNOT_FOUND; } int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const { wxMenuList::compatibility_iterator node = m_menus.GetFirst(); while (node) { wxMenu *menu = node->GetData(); int res = FindMenuItemRecursive( menu, menuString, itemString); if (res != -1) return res; node = node->GetNext(); } return wxNOT_FOUND; } // Find a wxMenuItem using its id. Recurses down into sub-menus static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id) { wxMenuItem* result = menu->FindChildItem(id); wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst(); while ( node && result == NULL ) { wxMenuItem *item = node->GetData(); if (item->IsSubMenu()) { result = FindMenuItemByIdRecursive( item->GetSubMenu(), id ); } node = node->GetNext(); } return result; } wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const { wxMenuItem* result = 0; wxMenuList::compatibility_iterator node = m_menus.GetFirst(); while (node && result == 0) { wxMenu *menu = node->GetData(); result = FindMenuItemByIdRecursive( menu, id ); node = node->GetNext(); } if ( menuForItem ) { *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL; } return result; } void wxMenuBar::EnableTop( size_t pos, bool flag ) { wxMenuList::compatibility_iterator node = m_menus.Item( pos ); wxCHECK_RET( node, wxT("menu not found") ); wxMenu* menu = node->GetData(); if (menu->m_owner) gtk_widget_set_sensitive( menu->m_owner, flag ); } wxString wxMenuBar::GetLabelTop( size_t pos ) const { wxMenuList::compatibility_iterator node = m_menus.Item( pos ); wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") ); wxMenu* menu = node->GetData(); wxString label; wxString text( menu->GetTitle() ); for ( const wxChar *pc = text.c_str(); *pc; pc++ ) { if ( *pc == wxT('_') ) { // '_' is the escape character for GTK+ continue; } // don't remove ampersands '&' since if we have them in the menu title // it means that they were doubled to indicate "&" instead of accelerator label += *pc; } return label; } void wxMenuBar::SetLabelTop( size_t pos, const wxString& label ) { wxMenuList::compatibility_iterator node = m_menus.Item( pos ); wxCHECK_RET( node, wxT("menu not found") ); wxMenu* menu = node->GetData(); const wxString str( wxReplaceUnderscore( label ) ); menu->SetTitle( str ); if (menu->m_owner) { GtkLabel *glabel = GTK_LABEL( GTK_BIN(menu->m_owner)->child ); /* set new text */ gtk_label_set( glabel, wxGTK_CONV( str ) ); /* reparse key accel */ (void)gtk_label_parse_uline (GTK_LABEL(glabel), wxGTK_CONV( str ) ); gtk_accel_label_refetch( GTK_ACCEL_LABEL(glabel) ); } } //----------------------------------------------------------------------------- // "activate" //----------------------------------------------------------------------------- extern "C" { static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu ) { if (g_isIdle) wxapp_install_idle_handler(); int id = menu->FindMenuIdByMenuItem(widget); /* should find it for normal (not popup) menu */ wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL), _T("menu item not found in gtk_menu_clicked_callback") ); if (!menu->IsEnabled(id)) return; wxMenuItem* item = menu->FindChildItem( id ); wxCHECK_RET( item, wxT("error in menu item callback") ); if ( item->GetId() == wxGTK_TITLE_ID ) { // ignore events from the menu title return; } if (item->IsCheckable()) { bool isReallyChecked = item->IsChecked(), isInternallyChecked = item->wxMenuItemBase::IsChecked(); // ensure that the internal state is always consistent with what is // shown on the screen item->wxMenuItemBase::Check(isReallyChecked); // we must not report the events for the radio button going up nor the // events resulting from the calls to wxMenuItem::Check() if ( (item->GetKind() == wxITEM_RADIO && !isReallyChecked) || (isInternallyChecked == isReallyChecked) ) { return; } } // Is this menu on a menubar? (possibly nested) wxFrame* frame = NULL; if(menu->IsAttached()) frame = menu->GetMenuBar()->GetFrame(); // FIXME: why do we have to call wxFrame::GetEventHandler() directly here? // normally wxMenu::SendEvent() should be enough, if it doesn't work // in wxGTK then we have a bug in wxMenu::GetInvokingWindow() which // should be fixed instead of working around it here... if (frame) { // If it is attached then let the frame send the event. // Don't call frame->ProcessCommand(id) because it toggles // checkable items and we've already done that above. wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id); commandEvent.SetEventObject(frame); if (item->IsCheckable()) commandEvent.SetInt(item->IsChecked()); commandEvent.SetEventObject(menu); frame->GetEventHandler()->ProcessEvent(commandEvent); } else { // otherwise let the menu have it menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1); } } } //----------------------------------------------------------------------------- // "select" //----------------------------------------------------------------------------- extern "C" { static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu ) { if (g_isIdle) wxapp_install_idle_handler(); int id = menu->FindMenuIdByMenuItem(widget); wxASSERT( id != -1 ); // should find it! if (!menu->IsEnabled(id)) return; wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id ); event.SetEventObject( menu ); wxEvtHandler* handler = menu->GetEventHandler(); if (handler && handler->ProcessEvent(event)) return; wxWindow *win = menu->GetInvokingWindow(); if (win) win->GetEventHandler()->ProcessEvent( event ); } } //----------------------------------------------------------------------------- // "deselect" //----------------------------------------------------------------------------- extern "C" { static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu ) { if (g_isIdle) wxapp_install_idle_handler(); int id = menu->FindMenuIdByMenuItem(widget); wxASSERT( id != -1 ); // should find it! if (!menu->IsEnabled(id)) return; wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 ); event.SetEventObject( menu ); wxEvtHandler* handler = menu->GetEventHandler(); if (handler && handler->ProcessEvent(event)) return; wxWindow *win = menu->GetInvokingWindow(); if (win) win->GetEventHandler()->ProcessEvent( event ); } } //----------------------------------------------------------------------------- // wxMenuItem //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject) wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu, int id, const wxString& name, const wxString& help, wxItemKind kind, wxMenu *subMenu) { return new wxMenuItem(parentMenu, id, name, help, kind, subMenu); } wxMenuItem::wxMenuItem(wxMenu *parentMenu, int id, const wxString& text, const wxString& help, wxItemKind kind, wxMenu *subMenu) : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu) { Init(text); } wxMenuItem::wxMenuItem(wxMenu *parentMenu, int id, const wxString& text, const wxString& help, bool isCheckable, wxMenu *subMenu) : wxMenuItemBase(parentMenu, id, text, help, isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu) { Init(text); } void wxMenuItem::Init(const wxString& text) { m_labelWidget = (GtkWidget *) NULL; m_menuItem = (GtkWidget *) NULL; DoSetText(text); } wxMenuItem::~wxMenuItem() { // don't delete menu items, the menus take care of that } // return the menu item text without any menu accels /* static */ wxString wxMenuItemBase::GetLabelFromText(const wxString& text) { wxString label; for ( const wxChar *pc = text.c_str(); *pc; pc++ ) { if ( *pc == wxT('\t')) break; if ( *pc == wxT('_') ) { // GTK 1.2 escapes "xxx_xxx" to "xxx__xxx" pc++; label += *pc; continue; } if ( (*pc == wxT('&')) && (*(pc+1) != wxT('&')) ) { // wxMSW escapes "&" // "&" is doubled to indicate "&" instead of accelerator continue; } label += *pc; } // wxPrintf( wxT("GetLabelFromText(): text %s label %s\n"), text.c_str(), label.c_str() ); return label; } void wxMenuItem::SetText( const wxString& string ) { wxString str = string; if ( str.empty() && !IsSeparator() ) { wxASSERT_MSG(wxIsStockID(GetId()), wxT("A non-stock menu item with an empty label?")); str = wxGetStockLabel(GetId(), wxSTOCK_WITH_ACCELERATOR | wxSTOCK_WITH_MNEMONIC); } // Some optimization to avoid flicker wxString oldLabel = m_text; oldLabel = wxStripMenuCodes(oldLabel); oldLabel.Replace(wxT("_"), wxEmptyString); wxString label1 = wxStripMenuCodes(str); wxString oldhotkey = GetHotKey(); // Store the old hotkey in Ctrl-foo format wxCharBuffer oldbuf = wxGTK_CONV( GetGtkHotKey(*this) ); // and as foo DoSetText(str); if (oldLabel == label1 && oldhotkey == GetHotKey()) // Make sure we can change a hotkey even if the label is unaltered return; if (m_menuItem) { GtkLabel *label; if (m_labelWidget) label = (GtkLabel*) m_labelWidget; else label = GTK_LABEL( GTK_BIN(m_menuItem)->child ); // set new text gtk_label_set( label, wxGTK_CONV( m_text ) ); // reparse key accel (void)gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV(m_text) ); gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) ); } guint accel_key; GdkModifierType accel_mods; gtk_accelerator_parse( (const char*) oldbuf, &accel_key, &accel_mods); if (accel_key != 0) { gtk_widget_remove_accelerator( GTK_WIDGET(m_menuItem), m_parentMenu->m_accel, accel_key, accel_mods ); } wxCharBuffer buf = wxGTK_CONV( GetGtkHotKey(*this) ); gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods); if (accel_key != 0) { gtk_widget_add_accelerator( GTK_WIDGET(m_menuItem), "activate", m_parentMenu->m_accel, accel_key, accel_mods, GTK_ACCEL_VISIBLE); } } // it's valid for this function to be called even if m_menuItem == NULL void wxMenuItem::DoSetText( const wxString& str ) { // '\t' is the deliminator indicating a hot key m_text.Empty(); const wxChar *pc = str; while ( (*pc != wxT('\0')) && (*pc != wxT('\t')) ) { if ((*pc == wxT('&')) && (*(pc+1) == wxT('&'))) { // "&" is doubled to indicate "&" instead of accelerator ++pc; m_text << wxT('&'); } else if (*pc == wxT('&')) { m_text << wxT('_'); } else if ( *pc == wxT('_') ) // escape underscores { m_text << wxT("__"); } else { m_text << *pc; } ++pc; } m_hotKey = wxEmptyString; if(*pc == wxT('\t')) { pc++; m_hotKey = pc; } } #if wxUSE_ACCEL wxAcceleratorEntry *wxMenuItem::GetAccel() const { if ( !GetHotKey() ) { // nothing return (wxAcceleratorEntry *)NULL; } // accelerator parsing code looks for them after a TAB, so insert a dummy // one here wxString label; label << wxT('\t') << GetHotKey(); return wxAcceleratorEntry::Create(label); } #endif // wxUSE_ACCEL void wxMenuItem::Check( bool check ) { wxCHECK_RET( m_menuItem, wxT("invalid menu item") ); if (check == m_isChecked) return; wxMenuItemBase::Check( check ); switch ( GetKind() ) { case wxITEM_CHECK: case wxITEM_RADIO: gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check ); break; default: wxFAIL_MSG( _T("can't check this item") ); } } void wxMenuItem::Enable( bool enable ) { wxCHECK_RET( m_menuItem, wxT("invalid menu item") ); gtk_widget_set_sensitive( m_menuItem, enable ); wxMenuItemBase::Enable( enable ); } bool wxMenuItem::IsChecked() const { wxCHECK_MSG( m_menuItem, false, wxT("invalid menu item") ); wxCHECK_MSG( IsCheckable(), false, wxT("can't get state of uncheckable item!") ); return ((GtkCheckMenuItem*)m_menuItem)->active != 0; } //----------------------------------------------------------------------------- // wxMenu //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler) 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: gtk_widget_ref(m_menu); m_owner = (GtkWidget*) NULL; // Tearoffs are entries, just like separators. So if we want this // menu to be a tear-off one, we just append a tearoff entry // immediately. if ( m_style & wxMENU_TEAROFF ) { GtkWidget *tearoff = gtk_tearoff_menu_item_new(); gtk_menu_append(GTK_MENU(m_menu), tearoff); } m_prevRadio = NULL; // append the title as the very first entry if we have it if ( !m_title.empty() ) { Append(wxGTK_TITLE_ID, m_title); AppendSeparator(); } } wxMenu::~wxMenu() { WX_CLEAR_LIST(wxMenuItemList, m_items); if ( GTK_IS_WIDGET( m_menu )) { // see wxMenu::Init gtk_widget_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 ); } } bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos) { GtkWidget *menuItem; wxString text; GtkLabel* label = NULL; if ( mitem->IsSeparator() ) { // TODO menuItem = gtk_menu_item_new(); } else if (mitem->GetBitmap().Ok()) { text = mitem->GetText(); const wxBitmap *bitmap = &mitem->GetBitmap(); // TODO wxUnusedVar(bitmap); menuItem = gtk_menu_item_new_with_label( wxGTK_CONV( text ) ); label = GTK_LABEL( GTK_BIN(menuItem)->child ); m_prevRadio = NULL; } else // a normal item { // text has "_" instead of "&" after mitem->SetText() so don't use it text = mitem->GetText() ; switch ( mitem->GetKind() ) { case wxITEM_CHECK: { menuItem = gtk_check_menu_item_new_with_label( wxGTK_CONV( text ) ); label = GTK_LABEL( GTK_BIN(menuItem)->child ); // set new text gtk_label_set_text( label, wxGTK_CONV( text ) ); m_prevRadio = NULL; break; } case wxITEM_RADIO: { GSList *group = NULL; if ( m_prevRadio == NULL ) { // start of a new radio group m_prevRadio = menuItem = gtk_radio_menu_item_new_with_label( group, wxGTK_CONV( text ) ); label = GTK_LABEL( GTK_BIN(menuItem)->child ); // set new text gtk_label_set_text( label, wxGTK_CONV( text ) ); } else // continue the radio group { group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (m_prevRadio)); m_prevRadio = menuItem = gtk_radio_menu_item_new_with_label( group, wxGTK_CONV( text ) ); label = GTK_LABEL( GTK_BIN(menuItem)->child ); } break; } default: wxFAIL_MSG( _T("unexpected menu item kind") ); // fall through case wxITEM_NORMAL: { menuItem = gtk_menu_item_new_with_label( wxGTK_CONV( text ) ); label = GTK_LABEL( GTK_BIN(menuItem)->child ); m_prevRadio = NULL; break; } } } guint accel_key; GdkModifierType accel_mods; wxCharBuffer buf = wxGTK_CONV( GetGtkHotKey(*mitem) ); // wxPrintf( wxT("item: %s hotkey %s\n"), mitem->GetText().c_str(), GetGtkHotKey(*mitem).c_str() ); gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods); if (accel_key != 0) { gtk_widget_add_accelerator (GTK_WIDGET(menuItem), "activate", m_accel, accel_key, accel_mods, GTK_ACCEL_VISIBLE); } if (pos == -1) gtk_menu_shell_append(GTK_MENU_SHELL(m_menu), menuItem); else gtk_menu_shell_insert(GTK_MENU_SHELL(m_menu), menuItem, pos); gtk_widget_show( menuItem ); if ( !mitem->IsSeparator() ) { wxASSERT_MSG( menuItem, wxT("invalid menuitem") ); gtk_signal_connect( GTK_OBJECT(menuItem), "select", GTK_SIGNAL_FUNC(gtk_menu_hilight_callback), (gpointer)this ); gtk_signal_connect( GTK_OBJECT(menuItem), "deselect", GTK_SIGNAL_FUNC(gtk_menu_nolight_callback), (gpointer)this ); if ( mitem->IsSubMenu() && mitem->GetKind() != wxITEM_RADIO && mitem->GetKind() != wxITEM_CHECK ) { gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu ); gtk_widget_show( mitem->GetSubMenu()->m_menu ); // if adding a submenu to a menu already existing in the menu bar, we // must set invoking window to allow processing events from this // submenu if ( m_invokingWindow ) wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow); } else { gtk_signal_connect( GTK_OBJECT(menuItem), "activate", GTK_SIGNAL_FUNC(gtk_menu_clicked_callback), (gpointer)this ); } guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( text ) ); if (accel_key != GDK_VoidSymbol) { gtk_widget_add_accelerator (menuItem, "activate_item", gtk_menu_ensure_uline_accel_group(GTK_MENU(m_menu)), accel_key, GDK_MOD1_MASK, GTK_ACCEL_LOCKED); } } mitem->SetMenuItem(menuItem); if (ms_locked) { // This doesn't even exist! // gtk_widget_lock_accelerators(mitem->GetMenuItem()); } return true; } wxMenuItem* wxMenu::DoAppend(wxMenuItem *mitem) { if (!GtkAppend(mitem)) return NULL; return wxMenuBase::DoAppend(mitem); } wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item) { if ( !wxMenuBase::DoInsert(pos, item) ) return NULL; // TODO if ( !GtkAppend(item, (int)pos) ) return NULL; return item; } wxMenuItem *wxMenu::DoRemove(wxMenuItem *item) { if ( !wxMenuBase::DoRemove(item) ) return (wxMenuItem *)NULL; // TODO: this code doesn't delete the item factory item and this seems // impossible as of GTK 1.2.6. gtk_widget_destroy( item->GetMenuItem() ); return item; } int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const { wxMenuItemList::compatibility_iterator node = m_items.GetFirst(); while (node) { wxMenuItem *item = node->GetData(); if (item->GetMenuItem() == menuItem) return item->GetId(); node = node->GetNext(); } return wxNOT_FOUND; } // ---------------------------------------------------------------------------- // helpers // ---------------------------------------------------------------------------- #if wxUSE_ACCEL static wxString GetGtkHotKey( const wxMenuItem& item ) { wxString hotkey; wxAcceleratorEntry *accel = item.GetAccel(); if ( accel ) { int flags = accel->GetFlags(); if ( flags & wxACCEL_ALT ) hotkey += wxT(""); if ( flags & wxACCEL_CTRL ) hotkey += wxT(""); if ( flags & wxACCEL_SHIFT ) hotkey += wxT(""); int code = accel->GetKeyCode(); switch ( code ) { case WXK_F1: case WXK_F2: case WXK_F3: case WXK_F4: case WXK_F5: case WXK_F6: case WXK_F7: case WXK_F8: case WXK_F9: case WXK_F10: case WXK_F11: case WXK_F12: case WXK_F13: case WXK_F14: case WXK_F15: case WXK_F16: case WXK_F17: case WXK_F18: case WXK_F19: case WXK_F20: case WXK_F21: case WXK_F22: case WXK_F23: case WXK_F24: hotkey += wxString::Format(wxT("F%d"), code - WXK_F1 + 1); break; // TODO: we should use gdk_keyval_name() (a.k.a. // XKeysymToString) here as well as hardcoding the keysym // names this might be not portable case WXK_INSERT: hotkey << wxT("Insert" ); break; case WXK_DELETE: hotkey << wxT("Delete" ); break; case WXK_UP: hotkey << wxT("Up" ); break; case WXK_DOWN: hotkey << wxT("Down" ); break; case WXK_PAGEUP: hotkey << wxT("Page_Up" ); break; case WXK_PAGEDOWN: hotkey << wxT("Page_Down" ); break; case WXK_LEFT: hotkey << wxT("Left" ); break; case WXK_RIGHT: hotkey << wxT("Right" ); break; case WXK_HOME: hotkey << wxT("Home" ); break; case WXK_END: hotkey << wxT("End" ); break; case WXK_RETURN: hotkey << wxT("Return" ); break; case WXK_BACK: hotkey << wxT("BackSpace" ); break; case WXK_TAB: hotkey << wxT("Tab" ); break; case WXK_ESCAPE: hotkey << wxT("Esc" ); break; case WXK_SPACE: hotkey << wxT("space" ); break; case WXK_MULTIPLY: hotkey << wxT("Multiply" ); break; case WXK_ADD: hotkey << wxT("Add" ); break; case WXK_SEPARATOR: hotkey << wxT("Separator" ); break; case WXK_SUBTRACT: hotkey << wxT("Subtract" ); break; case WXK_DECIMAL: hotkey << wxT("Decimal" ); break; case WXK_DIVIDE: hotkey << wxT("Divide" ); break; case WXK_CANCEL: hotkey << wxT("Cancel" ); break; case WXK_CLEAR: hotkey << wxT("Clear" ); break; case WXK_MENU: hotkey << wxT("Menu" ); break; case WXK_PAUSE: hotkey << wxT("Pause" ); break; case WXK_CAPITAL: hotkey << wxT("Capital" ); break; case WXK_SELECT: hotkey << wxT("Select" ); break; case WXK_PRINT: hotkey << wxT("Print" ); break; case WXK_EXECUTE: hotkey << wxT("Execute" ); break; case WXK_SNAPSHOT: hotkey << wxT("Snapshot" ); break; case WXK_HELP: hotkey << wxT("Help" ); break; case WXK_NUMLOCK: hotkey << wxT("Num_Lock" ); break; case WXK_SCROLL: hotkey << wxT("Scroll_Lock" ); break; case WXK_NUMPAD_INSERT: hotkey << wxT("KP_Insert" ); break; case WXK_NUMPAD_DELETE: hotkey << wxT("KP_Delete" ); break; case WXK_NUMPAD_SPACE: hotkey << wxT("KP_Space" ); break; case WXK_NUMPAD_TAB: hotkey << wxT("KP_Tab" ); break; case WXK_NUMPAD_ENTER: hotkey << wxT("KP_Enter" ); break; case WXK_NUMPAD_F1: case WXK_NUMPAD_F2: case WXK_NUMPAD_F3: case WXK_NUMPAD_F4: hotkey += wxString::Format(wxT("KP_F%d"), code - WXK_NUMPAD_F1 + 1); break; case WXK_NUMPAD_HOME: hotkey << wxT("KP_Home" ); break; case WXK_NUMPAD_LEFT: hotkey << wxT("KP_Left" ); break; case WXK_NUMPAD_UP: hotkey << wxT("KP_Up" ); break; case WXK_NUMPAD_RIGHT: hotkey << wxT("KP_Right" ); break; case WXK_NUMPAD_DOWN: hotkey << wxT("KP_Down" ); break; case WXK_NUMPAD_PAGEUP: hotkey << wxT("KP_Page_Up" ); break; case WXK_NUMPAD_PAGEDOWN: hotkey << wxT("KP_Page_Down" ); break; case WXK_NUMPAD_END: hotkey << wxT("KP_End" ); break; case WXK_NUMPAD_BEGIN: hotkey << wxT("KP_Begin" ); break; case WXK_NUMPAD_EQUAL: hotkey << wxT("KP_Equal" ); break; case WXK_NUMPAD_MULTIPLY: hotkey << wxT("KP_Multiply" ); break; case WXK_NUMPAD_ADD: hotkey << wxT("KP_Add" ); break; case WXK_NUMPAD_SEPARATOR: hotkey << wxT("KP_Separator" ); break; case WXK_NUMPAD_SUBTRACT: hotkey << wxT("KP_Subtract" ); break; case WXK_NUMPAD_DECIMAL: hotkey << wxT("KP_Decimal" ); break; case WXK_NUMPAD_DIVIDE: hotkey << wxT("KP_Divide" ); break; case WXK_NUMPAD0: case WXK_NUMPAD1: case WXK_NUMPAD2: case WXK_NUMPAD3: case WXK_NUMPAD4: case WXK_NUMPAD5: case WXK_NUMPAD6: case WXK_NUMPAD7: case WXK_NUMPAD8: case WXK_NUMPAD9: hotkey += wxString::Format(wxT("KP_%d"), code - WXK_NUMPAD0); break; case WXK_WINDOWS_LEFT: hotkey << wxT("Super_L" ); break; case WXK_WINDOWS_RIGHT: hotkey << wxT("Super_R" ); break; case WXK_WINDOWS_MENU: hotkey << wxT("Menu" ); break; case WXK_COMMAND: hotkey << wxT("Command" ); break; /* These probably wouldn't work as there is no SpecialX in gdk/keynames.txt case WXK_SPECIAL1: case WXK_SPECIAL2: case WXK_SPECIAL3: case WXK_SPECIAL4: case WXK_SPECIAL5: case WXK_SPECIAL6: case WXK_SPECIAL7: case WXK_SPECIAL8: case WXK_SPECIAL9: case WXK_SPECIAL10: case WXK_SPECIAL11: case WXK_SPECIAL12: case WXK_SPECIAL13: case WXK_SPECIAL14: case WXK_SPECIAL15: case WXK_SPECIAL16: case WXK_SPECIAL17: case WXK_SPECIAL18: case WXK_SPECIAL19: case WXK_SPECIAL20: hotkey += wxString::Format(wxT("Special%d"), code - WXK_SPECIAL1 + 1); break; */ // if there are any other keys wxAcceleratorEntry::Create() may // return, we should process them here default: if ( code < 127 ) { wxString name = wxGTK_CONV_BACK( gdk_keyval_name((guint)code) ); if ( name ) { hotkey << name; break; } } wxFAIL_MSG( wxT("unknown keyboard accel") ); } delete accel; } return hotkey; } #endif // wxUSE_ACCEL // ---------------------------------------------------------------------------- // Pop-up menu stuff // ---------------------------------------------------------------------------- #if wxUSE_MENUS_NATIVE extern "C" WXDLLIMPEXP_CORE void gtk_pop_hide_callback( GtkWidget *WXUNUSED(widget), bool* is_waiting ) { *is_waiting = false; } WXDLLIMPEXP_CORE void SetInvokingWindow( wxMenu *menu, wxWindow* win ) { menu->SetInvokingWindow( win ); wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst(); while (node) { wxMenuItem *menuitem = node->GetData(); if (menuitem->IsSubMenu()) { SetInvokingWindow( menuitem->GetSubMenu(), win ); } node = node->GetNext(); } } extern "C" WXDLLIMPEXP_CORE void wxPopupMenuPositionCallback( GtkMenu *menu, gint *x, gint *y, gpointer user_data ) { // ensure that the menu appears entirely on screen GtkRequisition req; gtk_widget_get_child_requisition(GTK_WIDGET(menu), &req); wxSize sizeScreen = wxGetDisplaySize(); wxPoint *pos = (wxPoint*)user_data; gint xmax = sizeScreen.x - req.width, ymax = sizeScreen.y - req.height; *x = pos->x < xmax ? pos->x : xmax; *y = pos->y < ymax ? pos->y : ymax; } bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y ) { wxCHECK_MSG( m_widget != NULL, false, wxT("invalid window") ); wxCHECK_MSG( menu != NULL, false, wxT("invalid popup-menu") ); // NOTE: if you change this code, you need to update // the same code in taskbar.cpp as well. This // is ugly code duplication, I know. SetInvokingWindow( menu, this ); menu->UpdateUI(); bool is_waiting = true; gulong handler = gtk_signal_connect( GTK_OBJECT(menu->m_menu), "hide", GTK_SIGNAL_FUNC(gtk_pop_hide_callback), (gpointer)&is_waiting ); wxPoint pos; gpointer userdata; GtkMenuPositionFunc posfunc; if ( x == -1 && y == -1 ) { // use GTK's default positioning algorithm userdata = NULL; posfunc = NULL; } else { pos = ClientToScreen(wxPoint(x, y)); userdata = &pos; posfunc = wxPopupMenuPositionCallback; } wxMenuEvent eventOpen(wxEVT_MENU_OPEN, -1, menu); DoCommonMenuCallbackCode(menu, eventOpen); gtk_menu_popup( GTK_MENU(menu->m_menu), (GtkWidget *) NULL, // parent menu shell (GtkWidget *) NULL, // parent menu item posfunc, // function to position it userdata, // client data 0, // button used to activate it wxGtkTimeLastClick // the time of activation ); while (is_waiting) { gtk_main_iteration(); } gtk_signal_disconnect(GTK_OBJECT(menu->m_menu), handler); wxMenuEvent eventClose(wxEVT_MENU_CLOSE, -1, menu); DoCommonMenuCallbackCode(menu, eventClose); return true; } #endif // wxUSE_MENUS_NATIVE