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96fa7876bf2cb12837b2eaf49a54f8a0547ef7c2
wxWidgets/src/gtk/menu.cpp
Vadim Zeitlin 96fa7876bf unreachable code warning fixed 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5256 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2000-01-05 15:17:08 +00:00

1048 lines
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/////////////////////////////////////////////////////////////////////////////
// Name: menu.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "menu.h"
#pragma implementation "menuitem.h"
#endif
#include "wx/log.h"
#include "wx/intl.h"
#include "wx/app.h"
#include "wx/menu.h"
#if wxUSE_ACCEL
#include "wx/accel.h"
#endif // wxUSE_ACCEL
#include <gdk/gdk.h>
#include <gtk/gtk.h>
//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------
extern void wxapp_install_idle_handler();
extern bool g_isIdle;
#if (GTK_MINOR_VERSION > 0) && wxUSE_ACCEL
static wxString GetHotKey( const wxMenuItem& item );
#endif
//-----------------------------------------------------------------------------
// wxMenuBar
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
wxMenuBar::wxMenuBar( 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_menus.DeleteContents( TRUE );
/* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
#if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
m_accel = gtk_accel_group_new();
m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
#else
m_menubar = gtk_menu_bar_new();
#endif
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();
}
wxMenuBar::wxMenuBar()
{
/* the parent window is known after wxFrame::SetMenu() */
m_needParent = FALSE;
m_style = 0;
m_invokingWindow = (wxWindow*) NULL;
if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
!CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, wxT("menubar") ))
{
wxFAIL_MSG( wxT("wxMenuBar creation failed") );
return;
}
m_menus.DeleteContents( TRUE );
/* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
#if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
m_accel = gtk_accel_group_new();
m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
#else
m_menubar = gtk_menu_bar_new();
#endif
m_widget = GTK_WIDGET(m_menubar);
PostCreation();
ApplyWidgetStyle();
}
wxMenuBar::~wxMenuBar()
{
// gtk_object_unref( GTK_OBJECT(m_factory) ); why not ?
}
static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
{
menu->SetInvokingWindow( (wxWindow*) NULL );
#if (GTK_MINOR_VERSION > 0)
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, GTK_OBJECT(top_frame->m_widget) );
#endif
wxMenuItemList::Node *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 );
#if (GTK_MINOR_VERSION > 0)
wxWindow *top_frame = win;
while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
top_frame = top_frame->GetParent();
/* support for native hot keys */
gtk_accel_group_attach( menu->m_accel, GTK_OBJECT(top_frame->m_widget) );
#endif
wxMenuItemList::Node *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;
#if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
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_attach( m_accel, GTK_OBJECT(top_frame->m_widget) );
#endif
wxMenuList::Node *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;
#if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
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, GTK_OBJECT(top_frame->m_widget) );
#endif
wxMenuList::Node *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)
{
const wxChar *pc;
/* GTK 1.2 wants to have "_" instead of "&" for accelerators */
wxString str;
for ( pc = title; *pc != wxT('\0'); pc++ )
{
if (*pc == wxT('&'))
{
#if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
str << wxT('_');
}
else if (*pc == wxT('/'))
{
str << wxT('\\');
#endif
}
else
{
#if __WXGTK12__
if ( *pc == wxT('_') )
{
// underscores must be doubled to prevent them from being
// interpreted as accelerator character prefix by GTK
str << *pc;
}
#endif // GTK+ 1.2
str << *pc;
}
}
/* this doesn't have much effect right now */
menu->SetTitle( str );
/* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
#if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
/* local buffer in multibyte form */
wxString buf;
buf << wxT('/') << str.c_str();
char *cbuf = new char[buf.Length()+1];
strcpy(cbuf, buf.mbc_str());
GtkItemFactoryEntry entry;
entry.path = (gchar *)cbuf; // const_cast
entry.accelerator = (gchar*) NULL;
entry.callback = (GtkItemFactoryCallback) NULL;
entry.callback_action = 0;
entry.item_type = "<Branch>";
gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
/* in order to get the pointer to the item we need the item text _without_ underscores */
wxString tmp = wxT("<main>/");
for ( pc = str; *pc != wxT('\0'); pc++ )
{
// contrary to the common sense, we must throw out _all_ underscores,
// (i.e. "Hello__World" => "HelloWorld" and not "Hello_World" as we
// might naively think). IMHO it's a bug in GTK+ (VZ)
while (*pc == wxT('_'))
pc++;
tmp << *pc;
}
menu->m_owner = gtk_item_factory_get_item( m_factory, tmp.mb_str() );
gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
delete [] cbuf;
#else
menu->m_owner = gtk_menu_item_new_with_label( str.mb_str() );
gtk_widget_show( menu->m_owner );
gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
gtk_menu_bar_append( GTK_MENU_BAR(m_menubar), menu->m_owner );
#endif
// m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
// adding menu later on.
if (m_invokingWindow)
wxMenubarSetInvokingWindow( menu, m_invokingWindow );
return TRUE;
}
bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
{
if ( !wxMenuBarBase::Insert(pos, menu, title) )
return FALSE;
#if __WXGTK12__
// GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
// of version 1.2.6), so we first append the item and then change its
// index
if ( !GtkAppend(menu, title) )
return FALSE;
GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
gpointer data = g_list_last(menu_shell->children)->data;
menu_shell->children = g_list_remove(menu_shell->children, data);
menu_shell->children = g_list_insert(menu_shell->children, data, pos);
return TRUE;
#else // GTK < 1.2
// this should be easy to do with GTK 1.0 - can use standard functions for
// this and don't need any hacks like above, but as I don't have GTK 1.0
// any more I can't do it
wxFAIL_MSG( wxT("TODO") );
return FALSE;
#endif // GTK 1.2/1.0
}
wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
{
if ( !wxMenuBarBase::Replace(pos, menu, title) )
return (wxMenu*) NULL;
// 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;
GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
printf( "factory entries before %d\n", (int)g_slist_length(m_factory->items) );
printf( "menu shell entries before %d\n", (int)g_list_length( menu_shell->children ) );
// unparent calls unref() and that would delete the widget so we raise
// the ref count to 2 artificially before invoking unparent.
gtk_widget_ref( menu->m_menu );
gtk_widget_unparent( menu->m_menu );
gtk_widget_destroy( menu->m_owner );
printf( "factory entries after %d\n", (int)g_slist_length(m_factory->items) );
printf( "menu shell entries after %d\n", (int)g_list_length( menu_shell->children ) );
return menu;
}
static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
{
if (menu->GetTitle() == menuString)
{
int res = menu->FindItem( itemString );
if (res != wxNOT_FOUND)
return res;
}
wxMenuItemList::Node *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::Node *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::Node *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::Node *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::Node *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::Node *node = m_menus.Item( pos );
wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
wxMenu* menu = node->GetData();
return menu->GetTitle();
}
void wxMenuBar::SetLabelTop( size_t pos, const wxString& label )
{
wxMenuList::Node *node = m_menus.Item( pos );
wxCHECK_RET( node, wxT("menu not found") );
wxMenu* menu = node->GetData();
menu->SetTitle( label );
}
//-----------------------------------------------------------------------------
// "activate"
//-----------------------------------------------------------------------------
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( (id != -1) || (menu->GetInvokingWindow() != NULL) );
if (!menu->IsEnabled(id))
return;
wxMenuItem* item = menu->FindChildItem( id );
wxCHECK_RET( item, wxT("error in menu item callback") );
if (item->IsCheckable())
{
bool isReallyChecked = item->IsChecked();
if ( item->wxMenuItemBase::IsChecked() == isReallyChecked )
{
/* the menu item has been checked by calling wxMenuItem->Check() */
return;
}
else
{
/* the user pressed on the menu item -> report and make consistent
* again */
item->wxMenuItemBase::Check(isReallyChecked);
}
}
wxCommandEvent event( wxEVT_COMMAND_MENU_SELECTED, id );
event.SetEventObject( menu );
event.SetInt(id );
#if wxUSE_MENU_CALLBACK
if (menu->GetCallback())
{
(void) (*(menu->GetCallback())) (*menu, event);
return;
}
#endif // wxUSE_MENU_CALLBACK
if (menu->GetEventHandler()->ProcessEvent(event))
return;
wxWindow *win = menu->GetInvokingWindow();
if (win)
win->GetEventHandler()->ProcessEvent( event );
}
//-----------------------------------------------------------------------------
// "select"
//-----------------------------------------------------------------------------
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 );
if (menu->GetEventHandler()->ProcessEvent(event))
return;
wxWindow *win = menu->GetInvokingWindow();
if (win) win->GetEventHandler()->ProcessEvent( event );
}
//-----------------------------------------------------------------------------
// "deselect"
//-----------------------------------------------------------------------------
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 );
if (menu->GetEventHandler()->ProcessEvent(event))
return;
wxWindow *win = menu->GetInvokingWindow();
if (win)
win->GetEventHandler()->ProcessEvent( event );
}
//-----------------------------------------------------------------------------
// wxMenuItem
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxMenuItemBase)
wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
int id,
const wxString& name,
const wxString& help,
bool isCheckable,
wxMenu *subMenu)
{
return new wxMenuItem(parentMenu, id, name, help, isCheckable, subMenu);
}
wxMenuItem::wxMenuItem(wxMenu *parentMenu,
int id,
const wxString& text,
const wxString& help,
bool isCheckable,
wxMenu *subMenu)
{
m_id = id;
m_isCheckable = isCheckable;
m_isChecked = FALSE;
m_isEnabled = TRUE;
m_subMenu = subMenu;
m_parentMenu = parentMenu;
m_help = help;
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
wxString wxMenuItem::GetLabel() const
{
wxString label;
#if (GTK_MINOR_VERSION > 0)
for ( const wxChar *pc = m_text.c_str(); *pc; pc++ )
{
if ( *pc == wxT('_') )
{
// this is the escape character for GTK+ - skip it
continue;
}
label += *pc;
}
#else // GTK+ 1.0
label = m_text;
#endif // GTK+ 1.2/1.0
return label;
}
void wxMenuItem::SetText( const wxString& str )
{
DoSetText(str);
if (m_menuItem)
{
GtkLabel *label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
/* set new text */
gtk_label_set( label, m_text.mb_str());
/* reparse key accel */
(void)gtk_label_parse_uline (GTK_LABEL(label), m_text.mb_str() );
gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
}
}
// 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;
for (; (*pc != wxT('\0')) && (*pc != wxT('\t')); pc++ )
{
if (*pc == wxT('&'))
{
#if (GTK_MINOR_VERSION > 0)
m_text << wxT('_');
}
else if ( *pc == wxT('_') ) // escape underscores
{
m_text << wxT("__");
}
else if (*pc == wxT('/')) /* we have to filter out slashes ... */
{
m_text << wxT('\\'); /* ... and replace them with back slashes */
#endif
}
else
m_text << *pc;
}
/* only GTK 1.2 knows about hot keys */
m_hotKey = wxT("");
#if (GTK_MINOR_VERSION > 0)
if(*pc == wxT('\t'))
{
pc++;
m_hotKey = pc;
}
#endif
}
#if wxUSE_ACCEL
wxAcceleratorEntry *wxMenuItem::GetAccel() const
{
if ( !GetHotKey() )
{
// nothing
return (wxAcceleratorEntry *)NULL;
}
// as wxGetAccelFromString() looks for TAB, insert a dummy one here
wxString label;
label << wxT('\t') << GetHotKey();
return wxGetAccelFromString(label);
}
#endif // wxUSE_ACCEL
void wxMenuItem::Check( bool check )
{
wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
wxCHECK_RET( IsCheckable(), wxT("Can't check uncheckable item!") )
if (check == m_isChecked)
return;
wxMenuItemBase::Check( check );
gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
}
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;
}
wxString wxMenuItem::GetFactoryPath() const
{
/* in order to get the pointer to the item we need the item text _without_
underscores */
wxString path( wxT("<main>/") );
path += GetLabel();
return path;
}
//-----------------------------------------------------------------------------
// wxMenu
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
void wxMenu::Init()
{
#if (GTK_MINOR_VERSION > 0)
m_accel = gtk_accel_group_new();
m_factory = gtk_item_factory_new( GTK_TYPE_MENU, "<main>", m_accel );
m_menu = gtk_item_factory_get_widget( m_factory, "<main>" );
#else
m_menu = gtk_menu_new(); // Do not show!
#endif
m_owner = (GtkWidget*) NULL;
#if (GTK_MINOR_VERSION > 0)
/* 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)
{
GtkItemFactoryEntry entry;
entry.path = "/tearoff";
entry.callback = (GtkItemFactoryCallback) NULL;
entry.callback_action = 0;
entry.item_type = "<Tearoff>";
entry.accelerator = (gchar*) NULL;
gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
//GtkWidget *menuItem = gtk_item_factory_get_widget( m_factory, "<main>/tearoff" );
}
#endif
// append the title as the very first entry if we have it
if ( !!m_title )
{
Append(-2, m_title);
AppendSeparator();
}
}
wxMenu::~wxMenu()
{
m_items.Clear();
gtk_widget_destroy( m_menu );
gtk_object_unref( GTK_OBJECT(m_factory) );
}
bool wxMenu::GtkAppend(wxMenuItem *mitem)
{
GtkWidget *menuItem;
if ( mitem->IsSeparator() )
{
#if (GTK_MINOR_VERSION > 0)
GtkItemFactoryEntry entry;
entry.path = "/sep";
entry.callback = (GtkItemFactoryCallback) NULL;
entry.callback_action = 0;
entry.item_type = "<Separator>";
entry.accelerator = (gchar*) NULL;
gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
/* this will be wrong for more than one separator. do we care? */
menuItem = gtk_item_factory_get_widget( m_factory, "<main>/sep" );
#else // GTK+ 1.0
menuItem = gtk_menu_item_new();
#endif // GTK 1.2/1.0
}
else if ( mitem->IsSubMenu() )
{
#if (GTK_MINOR_VERSION > 0)
/* text has "_" instead of "&" after mitem->SetText() */
wxString text( mitem->GetText() );
/* local buffer in multibyte form */
char buf[200];
strcpy( buf, "/" );
strcat( buf, text.mb_str() );
GtkItemFactoryEntry entry;
entry.path = buf;
entry.callback = (GtkItemFactoryCallback) 0;
entry.callback_action = 0;
entry.item_type = "<Branch>";
entry.accelerator = (gchar*) NULL;
gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
wxString path( mitem->GetFactoryPath() );
menuItem = gtk_item_factory_get_item( m_factory, path.mb_str() );
#else // GTK+ 1.0
menuItem = gtk_menu_item_new_with_label(mitem->GetText().mbc_str());
#endif // GTK 1.2/1.0
gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
}
else // a normal item
{
#if (GTK_MINOR_VERSION > 0)
/* text has "_" instead of "&" after mitem->SetText() */
wxString text( mitem->GetText() );
/* local buffer in multibyte form */
char buf[200];
strcpy( buf, "/" );
strcat( buf, text.mb_str() );
GtkItemFactoryEntry entry;
entry.path = buf;
entry.callback = (GtkItemFactoryCallback) gtk_menu_clicked_callback;
entry.callback_action = 0;
if ( mitem->IsCheckable() )
entry.item_type = "<CheckItem>";
else
entry.item_type = "<Item>";
entry.accelerator = (gchar*) NULL;
#if wxUSE_ACCEL
// due to an apparent bug in GTK+, we have to use a static buffer here -
// otherwise GTK+ 1.2.2 manages to override the memory we pass to it
// somehow! (VZ)
static char s_accel[32]; // must be big enough for <control><alt><shift>F12
strncpy(s_accel, GetHotKey(*mitem).mb_str(), WXSIZEOF(s_accel));
entry.accelerator = s_accel;
#else // !wxUSE_ACCEL
entry.accelerator = (char*) NULL;
#endif // wxUSE_ACCEL/!wxUSE_ACCEL
gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 ); /* what is 2 ? */
wxString path( mitem->GetFactoryPath() );
menuItem = gtk_item_factory_get_widget( m_factory, path.mb_str() );
#else // GTK+ 1.0
menuItem = checkable ? gtk_check_menu_item_new_with_label( mitem->GetText().mb_str() )
: gtk_menu_item_new_with_label( mitem->GetText().mb_str() );
gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
(gpointer)this );
#endif // GTK+ 1.2/1.0
}
if ( !mitem->IsSeparator() )
{
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 GTK_MINOR_VERSION == 0
gtk_menu_append( GTK_MENU(m_menu), menuItem );
gtk_widget_show( menuItem );
#endif // GTK+ 1.0
mitem->SetMenuItem(menuItem);
return TRUE;
}
bool wxMenu::DoAppend(wxMenuItem *mitem)
{
return GtkAppend(mitem) && wxMenuBase::DoAppend(mitem);
}
bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
{
if ( !wxMenuBase::DoInsert(pos, item) )
return FALSE;
#ifdef __WXGTK12__
// GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
// of version 1.2.6), so we first append the item and then change its
// index
if ( !GtkAppend(item) )
return FALSE;
GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
gpointer data = g_list_last(menu_shell->children)->data;
menu_shell->children = g_list_remove(menu_shell->children, data);
menu_shell->children = g_list_insert(menu_shell->children, data, pos);
return TRUE;
#else // GTK < 1.2
// this should be easy to do...
wxFAIL_MSG( wxT("not implemented") );
return FALSE;
#endif // GTK 1.2/1.0
}
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
{
wxNode *node = m_items.First();
while (node)
{
wxMenuItem *item = (wxMenuItem*)node->Data();
if (item->GetMenuItem() == menuItem)
return item->GetId();
node = node->Next();
}
return wxNOT_FOUND;
}
// ----------------------------------------------------------------------------
// helpers
// ----------------------------------------------------------------------------
#if (GTK_MINOR_VERSION > 0) && wxUSE_ACCEL
static wxString GetHotKey( 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:
hotkey << wxT('F') << code - WXK_F1 + 1;
break;
// if there are any other keys wxGetAccelFromString() may return,
// we should process them here
default:
if ( wxIsalnum(code) )
{
hotkey << (wxChar)code;
break;
}
wxFAIL_MSG( wxT("unknown keyboard accel") );
}
delete accel;
}
return hotkey;
}
#endif // wxUSE_ACCEL
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