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f005ea42f01380fe6f64d5e1d4acdd4c2d366f47
wxWidgets/src/gtk1/menu.cpp
Vadim Zeitlin f005ea42f0 fixed handling of accelerators using PageUp/Down keys (bug 1683613) 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@44962 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2007-03-19 20:18:20 +00:00

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/////////////////////////////////////////////////////////////////////////////
// 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 <gdk/gdkkeysyms.h>
#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 <control>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("<alt>");
if ( flags & wxACCEL_CTRL )
hotkey += wxT("<control>");
if ( flags & wxACCEL_SHIFT )
hotkey += wxT("<shift>");
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
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