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71628a57aa419bb00c85eaf3ec66024edb45560c
wxWidgets/src/gtk1/menu.cpp
Robert Roebling 71628a57aa Upported menu bitmaps from 2.4.2 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25919 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2004-02-22 17:29:34 +00:00

1953 lines
60 KiB
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/////////////////////////////////////////////////////////////////////////////
// Name: menu.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "menu.h"
#pragma implementation "menuitem.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/log.h"
#include "wx/intl.h"
#include "wx/app.h"
#include "wx/bitmap.h"
#include "wx/menu.h"
#if wxUSE_ACCEL
#include "wx/accel.h"
#endif // wxUSE_ACCEL
#include "wx/gtk/private.h"
#include <gdk/gdkkeysyms.h>
// FIXME: is this right? somehow I don't think so (VZ)
#ifdef __WXGTK20__
#include <glib-object.h>
#define gtk_accel_group_attach(g, o) _gtk_accel_group_attach((g), (o))
#define gtk_accel_group_detach(g, o) _gtk_accel_group_detach((g), (o))
#define gtk_menu_ensure_uline_accel_group(m) gtk_menu_get_accel_group(m)
#define ACCEL_OBJECT GObject
#define ACCEL_OBJECTS(a) (a)->acceleratables
#define ACCEL_OBJ_CAST(obj) G_OBJECT(obj)
#else // GTK+ 1.x
#define ACCEL_OBJECT GtkObject
#define ACCEL_OBJECTS(a) (a)->attach_objects
#define ACCEL_OBJ_CAST(obj) GTK_OBJECT(obj)
#endif
//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------
extern void wxapp_install_idle_handler();
extern bool g_isIdle;
#if GTK_CHECK_VERSION(1, 2, 0) && wxUSE_ACCEL
static wxString GetHotKey( const wxMenuItem& item );
#endif
//-----------------------------------------------------------------------------
// substitute for missing GtkPixmapMenuItem
//-----------------------------------------------------------------------------
#ifndef __WXGTK20__
#define GTK_TYPE_PIXMAP_MENU_ITEM (gtk_pixmap_menu_item_get_type ())
#define GTK_PIXMAP_MENU_ITEM(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_PIXMAP_MENU_ITEM, GtkPixmapMenuItem))
#define GTK_PIXMAP_MENU_ITEM_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_PIXMAP_MENU_ITEM, GtkPixmapMenuItemClass))
#define GTK_IS_PIXMAP_MENU_ITEM(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_PIXMAP_MENU_ITEM))
#define GTK_IS_PIXMAP_MENU_ITEM_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PIXMAP_MENU_ITEM))
//#define GTK_PIXMAP_MENU_ITEM_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_PIXMAP_MENU_ITEM))
#define GTK_PIXMAP_MENU_ITEM_GET_CLASS(obj) (GTK_PIXMAP_MENU_ITEM_CLASS( GTK_OBJECT_GET_CLASS(obj)))
#ifndef GTK_MENU_ITEM_GET_CLASS
#define GTK_MENU_ITEM_GET_CLASS(obj) (GTK_MENU_ITEM_CLASS( GTK_OBJECT_GET_CLASS(obj)))
#endif
typedef struct _GtkPixmapMenuItem GtkPixmapMenuItem;
typedef struct _GtkPixmapMenuItemClass GtkPixmapMenuItemClass;
struct _GtkPixmapMenuItem
{
GtkMenuItem menu_item;
GtkWidget *pixmap;
};
struct _GtkPixmapMenuItemClass
{
GtkMenuItemClass parent_class;
guint orig_toggle_size;
guint have_pixmap_count;
};
GtkType gtk_pixmap_menu_item_get_type (void);
GtkWidget* gtk_pixmap_menu_item_new (void);
void gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
GtkWidget *pixmap);
#endif // GTK 2.0
//-----------------------------------------------------------------------------
// 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('&'))
{
#if GTK_CHECK_VERSION(1, 2, 0)
str << wxT('_');
#endif
}
#if GTK_CHECK_VERSION(2, 0, 0)
else if (*pc == wxT('/'))
{
str << wxT("\\/");
}
else if (*pc == wxT('\\'))
{
str << wxT("\\\\");
}
#elif GTK_CHECK_VERSION(1, 2, 0)
else if (*pc == wxT('/'))
{
str << wxT('\\');
}
#endif
else
{
#ifdef __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;
}
++pc;
}
return str;
}
//-----------------------------------------------------------------------------
// activate message from GTK
//-----------------------------------------------------------------------------
static void gtk_menu_open_callback( GtkWidget *widget, wxMenu *menu )
{
if (g_isIdle) wxapp_install_idle_handler();
wxMenuEvent event( wxEVT_MENU_OPEN, -1, menu );
event.SetEventObject( menu );
wxEvtHandler* handler = menu->GetEventHandler();
if (handler && handler->ProcessEvent(event))
return;
wxWindow *win = menu->GetInvokingWindow();
if (win) win->GetEventHandler()->ProcessEvent( event );
}
//-----------------------------------------------------------------------------
// 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;
}
/* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
#if GTK_CHECK_VERSION(1, 2, 1)
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;
}
/* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
#if GTK_CHECK_VERSION(1, 2, 1)
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 );
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 );
#if GTK_CHECK_VERSION(1, 2, 1)
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 );
#endif // GTK+ 1.2.1+
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;
#if GTK_CHECK_VERSION(1, 2, 1)
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 );
#endif // GTK+ 1.2.1+
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;
#if GTK_CHECK_VERSION(1, 2, 1)
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) );
#endif // GTK+ 1.2.1+
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)
{
wxString str( wxReplaceUnderscore( title ) );
// 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_CHECK_VERSION(1, 2, 1)
wxString buf;
buf << wxT('/') << str.c_str();
// local buffer in multibyte form
char cbuf[400];
strcpy(cbuf, wxGTK_CONV(buf) );
GtkItemFactoryEntry entry;
entry.path = (gchar *)cbuf; // const_cast
entry.accelerator = (gchar*) NULL;
entry.callback = (GtkItemFactoryCallback) NULL;
entry.callback_action = 0;
entry.item_type = (char *)"<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>/");
const wxChar *pc;
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, wxGTK_CONV( tmp ) );
gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
#else
menu->m_owner = gtk_menu_item_new_with_label( wxGTK_CONV( 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
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;
// 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;
if (pos+1 >= m_menus.GetCount())
return TRUE;
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;
}
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;
}
static wxMenu *CopyMenu (wxMenu *menu)
{
wxMenu *menucopy = new wxMenu ();
wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
while (node)
{
wxMenuItem *item = node->GetData();
int itemid = item->GetId();
wxString text = item->GetText();
text.Replace(wxT("_"), wxT("&"));
wxMenu *submenu = item->GetSubMenu();
if (!submenu)
{
wxMenuItem* itemcopy = new wxMenuItem(menucopy,
itemid, text,
menu->GetHelpString(itemid));
itemcopy->SetBitmap(item->GetBitmap());
itemcopy->SetCheckable(item->IsCheckable());
menucopy->Append(itemcopy);
}
else
menucopy->Append (itemid, text, CopyMenu(submenu),
menu->GetHelpString(itemid));
node = node->GetNext();
}
return menucopy;
}
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 ) );
*/
wxMenu *menucopy = CopyMenu( menu );
// 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 );
delete menu;
menu = menucopy;
/*
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 ) );
*/
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();
wxString str( wxReplaceUnderscore( label ) );
menu->SetTitle( str );
if (menu->m_owner)
{
GtkLabel *label = GTK_LABEL( GTK_BIN(menu->m_owner)->child );
/* set new text */
gtk_label_set( label, wxGTK_CONV( str ) );
/* reparse key accel */
(void)gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( str ) );
gtk_accel_label_refetch( GTK_ACCEL_LABEL(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_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->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;
wxMenu* pm = menu;
while ( pm && !frame )
{
if ( pm->IsAttached() )
frame = pm->GetMenuBar()->GetFrame();
pm = pm->GetParent();
}
// 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"
//-----------------------------------------------------------------------------
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"
//-----------------------------------------------------------------------------
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('_') )
{
// GTK 1.2 escapes "xxx_xxx" to "xxx__xxx"
pc++;
label += *pc;
continue;
}
#if GTK_CHECK_VERSION(2, 0, 0)
if ( *pc == wxT('\\') )
{
// GTK 2.0 escapes "xxx/xxx" to "xxx\/xxx"
pc++;
label += *pc;
continue;
}
#endif
if ( (*pc == wxT('&')) && (*(pc+1) != wxT('&')) )
{
// wxMSW escapes "&"
// "&" is doubled to indicate "&" instead of accelerator
continue;
}
label += *pc;
}
// wxPrintf( L"text %s label %s\n", text.c_str(), label.c_str() );
return label;
}
void wxMenuItem::SetText( const wxString& str )
{
// Some optimization to avoid flicker
wxString oldLabel = m_text;
oldLabel = wxStripMenuCodes(oldLabel.BeforeFirst('\t'));
oldLabel.Replace(wxT("_"), wxT(""));
wxString label1 = wxStripMenuCodes(str.BeforeFirst('\t'));
if (oldLabel == label1)
return;
DoSetText(str);
if (m_menuItem)
{
GtkLabel *label;
if (m_labelWidget)
label = (GtkLabel*) m_labelWidget;
else
label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
#if GTK_CHECK_VERSION(2, 0, 0)
// We have to imitate item_factory_unescape_label here
wxString tmp;
for (size_t n = 0; n < m_text.Len(); n++)
{
if (m_text[n] != wxT('\\'))
tmp += m_text[n];
}
gtk_label_set_text_with_mnemonic( GTK_LABEL(label), wxGTK_CONV(tmp) );
#else
// 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) );
#endif
}
}
// 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('_');
}
#if GTK_CHECK_VERSION(2, 0, 0)
else if ( *pc == wxT('_') ) // escape underscores
{
// m_text << wxT("__"); doesn't work
m_text << wxT("__");
}
else if (*pc == wxT('/')) // we have to escape slashes
{
m_text << wxT("\\/");
}
else if (*pc == wxT('\\')) // we have to double backslashes
{
m_text << wxT("\\\\");
}
#else
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;
}
++pc;
}
// wxPrintf( L"str %s m_text %s\n", str.c_str(), m_text.c_str() );
m_hotKey = wxT("");
if(*pc == wxT('\t'))
{
pc++;
m_hotKey = pc;
}
}
#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") );
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;
}
wxString wxMenuItem::GetFactoryPath() const
{
// In order to get the pointer to the item we need the item
// text _without_ underscores in GTK 1.2
wxString path( wxT("<main>/") );
for ( const wxChar *pc = m_text.c_str(); *pc; pc++ )
{
if ( *pc == wxT('_') )
{
#ifdef __WXGTK20__
pc++;
#else
// remove '_' unconditionally
continue;
#endif
}
// don't remove ampersands '&' since if we have them in the menu item title
// it means that they were doubled to indicate "&" instead of accelerator
path += *pc;
}
return path;
}
//-----------------------------------------------------------------------------
// wxMenu
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
void wxMenu::Init()
{
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>" );
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)
{
GtkItemFactoryEntry entry;
entry.path = (char *)"/tearoff";
entry.callback = (GtkItemFactoryCallback) NULL;
entry.callback_action = 0;
entry.item_type = (char *)"<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" );
}
// append the title as the very first entry if we have it
if ( !!m_title )
{
Append(-2, m_title);
AppendSeparator();
}
}
wxMenu::~wxMenu()
{
WX_CLEAR_LIST(wxMenuItemList, m_items);
if ( GTK_IS_WIDGET( m_menu ))
gtk_widget_destroy( m_menu );
gtk_object_unref( GTK_OBJECT(m_factory) );
}
bool wxMenu::GtkAppend(wxMenuItem *mitem)
{
GtkWidget *menuItem;
// does this item terminate the current radio group?
bool endOfRadioGroup = TRUE;
if ( mitem->IsSeparator() )
{
GtkItemFactoryEntry entry;
entry.path = (char *)"/sep";
entry.callback = (GtkItemFactoryCallback) NULL;
entry.callback_action = 0;
entry.item_type = (char *)"<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" );
// we might have a separator inside a radio group
endOfRadioGroup = FALSE;
}
else if ( mitem->IsSubMenu() )
{
// text has "_" instead of "&" after mitem->SetText()
wxString text( mitem->GetText() );
// local buffer in multibyte form
char buf[200];
strcpy( buf, "/" );
strcat( buf, wxGTK_CONV( text ) );
GtkItemFactoryEntry entry;
entry.path = buf;
entry.callback = (GtkItemFactoryCallback) 0;
entry.callback_action = 0;
entry.item_type = (char *)"<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, wxGTK_CONV( path ) );
gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), 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);
}
#ifndef __WXGTK20__
else if (mitem->GetBitmap().Ok())
{
// Our extra code for Bitmaps in GTK 1.2
wxString text( mitem->GetText() );
const wxBitmap *bitmap = &mitem->GetBitmap();
menuItem = gtk_pixmap_menu_item_new ();
GtkWidget *label = gtk_accel_label_new ( wxGTK_CONV( text ) );
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_container_add (GTK_CONTAINER (menuItem), label);
gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (label), menuItem);
guint accel_key;
GdkModifierType accel_mods;
// accelerator for the item, as specified by its label
// (ex. Ctrl+O for open)
gtk_accelerator_parse(GetHotKey(*mitem).c_str(), &accel_key,
&accel_mods);
if (accel_key != GDK_VoidSymbol)
{
gtk_widget_add_accelerator (menuItem,
"activate_item",
gtk_menu_get_accel_group(
GTK_MENU(m_menu)),
accel_key, accel_mods,
GTK_ACCEL_VISIBLE);
}
// accelerator for the underlined char (ex ALT+F for the File menu)
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, (GdkModifierType) 0,
GTK_ACCEL_LOCKED);
}
gtk_widget_show (label);
mitem->SetLabelWidget(label);
GtkWidget* pixmap = gtk_pixmap_new( bitmap->GetPixmap(), bitmap->GetMask() ? bitmap->GetMask()->GetBitmap() : (GdkBitmap* )NULL);
gtk_widget_show(pixmap);
gtk_pixmap_menu_item_set_pixmap(GTK_PIXMAP_MENU_ITEM( menuItem ), pixmap);
gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
(gpointer)this );
gtk_menu_append( GTK_MENU(m_menu), menuItem );
gtk_widget_show( menuItem );
}
#endif
else // a normal item
{
// text has "_" instead of "&" after mitem->SetText() so don't use it
wxString text( mitem->GetText() );
// buffers containing the menu item path and type in multibyte form
char bufPath[256],
bufType[256];
strcpy( bufPath, "/" );
strncat( bufPath, wxGTK_CONV(text), WXSIZEOF(bufPath) - 2 );
bufPath[WXSIZEOF(bufPath) - 1] = '\0';
GtkItemFactoryEntry entry;
entry.path = bufPath;
entry.callback = (GtkItemFactoryCallback) gtk_menu_clicked_callback;
entry.callback_action = 0;
wxString pathRadio;
const char *item_type;
switch ( mitem->GetKind() )
{
case wxITEM_CHECK:
item_type = "<CheckItem>";
break;
case wxITEM_RADIO:
if ( m_pathLastRadio.empty() )
{
// start of a new radio group
item_type = "<RadioItem>";
wxString tmp( wxGTK_CONV_BACK( bufPath ) );
tmp.Remove(0,1);
m_pathLastRadio = tmp;
}
else // continue the radio group
{
pathRadio = m_pathLastRadio;
pathRadio.Replace(wxT("_"), wxT(""));
pathRadio.Prepend(wxT("<main>/"));
strncpy(bufType, wxGTK_CONV(pathRadio), WXSIZEOF(bufType));
bufType[WXSIZEOF(bufType) - 1] = '\0';
item_type = bufType;
}
// continue the existing radio group, if any
endOfRadioGroup = FALSE;
break;
default:
wxFAIL_MSG( _T("unexpected menu item kind") );
// fall through
case wxITEM_NORMAL:
item_type = "<Item>";
#if defined(__WXGTK20__) && wxUSE_IMAGE
if (mitem->GetBitmap().Ok())
{
item_type = "<ImageItem>";
// GTK2's image factory know about image items, but they need to
// get a GdkPixbuf structure, which we need to create on the fly.
// This Pixbuf structure needs to be static so we create it and
// just make it a memory leak...
wxImage image( mitem->GetBitmap().ConvertToImage() );
size_t size = 4 + // magic
20 + // header
image.GetHeight() * image.GetWidth() * 4; // RGBA
unsigned char *dest = new unsigned char[size];
entry.extra_data = dest;
unsigned char *source = image.GetData();
bool has_mask = image.HasMask();
unsigned char mask_r = image.GetMaskRed();
unsigned char mask_b = image.GetMaskBlue();
unsigned char mask_g = image.GetMaskGreen();
wxUint32 tmp;
// Magic
*dest = 'G'; dest++; *dest = 'd'; dest++; *dest = 'k'; dest++; *dest = 'P'; dest++;
// Data size
tmp = size;
*dest = tmp >> 24; dest++; *dest = tmp >> 16; dest++; *dest = tmp >> 8; dest++; *dest = tmp; dest++;
// Pixdata type
*dest = 1; dest++; *dest = 1; dest++; *dest = 0; dest++; *dest = 2; dest++;
// Rowstride
tmp = image.GetWidth()*4;
*dest = tmp >> 24; dest++; *dest = tmp >> 16; dest++; *dest = tmp >> 8; dest++; *dest = tmp; dest++;
// Width
tmp = image.GetWidth();
*dest = tmp >> 24; dest++; *dest = tmp >> 16; dest++; *dest = tmp >> 8; dest++; *dest = tmp; dest++;
// Height
tmp = image.GetHeight();
*dest = tmp >> 24; dest++; *dest = tmp >> 16; dest++; *dest = tmp >> 8; dest++; *dest = tmp; dest++;
for (int i = 0; i < image.GetWidth()*image.GetHeight(); i++)
{
unsigned char r = *source; source++;
unsigned char g = *source; source++;
unsigned char b = *source; source++;
*dest = r; dest++;
*dest = g; dest++;
*dest = b; dest++;
if (has_mask && (r == mask_r) && (g == mask_g) && (b == mask_b))
*dest = 0;
else
*dest = 255;
dest++;
}
break;
}
#endif // GTK 2.0+
break;
}
entry.item_type = (char *)item_type; // cast needed for GTK+
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)
char s_accel[50]; // should be big enough, we check for overruns
wxString tmp( GetHotKey(*mitem) );
strncpy(s_accel, wxGTK_CONV( tmp ), WXSIZEOF(s_accel));
s_accel[WXSIZEOF(s_accel) - 1] = '\0';
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, wxGTK_CONV( path ) );
if (!menuItem)
wxLogError( wxT("Wrong menu path: %s\n"), path.c_str() );
}
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 );
}
mitem->SetMenuItem(menuItem);
if ( endOfRadioGroup )
{
m_pathLastRadio.clear();
}
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;
// 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 NULL;
if ( m_style & wxMENU_TEAROFF )
{
// change the position as the first item is the tear-off marker
pos++;
}
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 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 GTK_CHECK_VERSION(1, 2, 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;
// 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_NUMPAD_INSERT:
hotkey << wxT("KP_Insert" );
break;
case WXK_NUMPAD_DELETE:
hotkey << wxT("KP_Delete" );
break;
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:
case WXK_PRIOR:
hotkey << wxT("Prior" );
break;
case WXK_PAGEDOWN:
case WXK_NEXT:
hotkey << wxT("Next" );
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;
// if there are any other keys wxGetAccelFromString() 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
//-----------------------------------------------------------------------------
// substitute for missing GtkPixmapMenuItem
//-----------------------------------------------------------------------------
#ifndef __WXGTK20__
/*
* Copyright (C) 1998, 1999, 2000 Free Software Foundation
* All rights reserved.
*
* This file is part of the Gnome Library.
*
* The Gnome Library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* The Gnome Library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with the Gnome Library; see the file COPYING.LIB. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
@NOTATION@
*/
/* Author: Dietmar Maurer <dm@vlsivie.tuwien.ac.at> */
#include <gtk/gtkaccellabel.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkmenuitem.h>
#include <gtk/gtkmenu.h>
#include <gtk/gtkcontainer.h>
extern "C"
{
static void gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass);
static void gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item);
static void gtk_pixmap_menu_item_draw (GtkWidget *widget,
GdkRectangle *area);
static gint gtk_pixmap_menu_item_expose (GtkWidget *widget,
GdkEventExpose *event);
/* we must override the following functions */
static void gtk_pixmap_menu_item_map (GtkWidget *widget);
static void gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void gtk_pixmap_menu_item_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data);
static void gtk_pixmap_menu_item_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void gtk_pixmap_menu_item_remove (GtkContainer *container,
GtkWidget *child);
static void changed_have_pixmap_status (GtkPixmapMenuItem *menu_item);
static GtkMenuItemClass *parent_class = NULL;
}
#define BORDER_SPACING 3
#define PMAP_WIDTH 20
GtkType
gtk_pixmap_menu_item_get_type (void)
{
static GtkType pixmap_menu_item_type = 0;
if (!pixmap_menu_item_type)
{
GtkTypeInfo pixmap_menu_item_info =
{
(char *)"GtkPixmapMenuItem",
sizeof (GtkPixmapMenuItem),
sizeof (GtkPixmapMenuItemClass),
(GtkClassInitFunc) gtk_pixmap_menu_item_class_init,
(GtkObjectInitFunc) gtk_pixmap_menu_item_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
pixmap_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (),
&pixmap_menu_item_info);
}
return pixmap_menu_item_type;
}
/**
* gtk_pixmap_menu_item_new
*
* Creates a new pixmap menu item. Use gtk_pixmap_menu_item_set_pixmap()
* to set the pixmap wich is displayed at the left side.
*
* Returns:
* &GtkWidget pointer to new menu item
**/
GtkWidget*
gtk_pixmap_menu_item_new (void)
{
return GTK_WIDGET (gtk_type_new (gtk_pixmap_menu_item_get_type ()));
}
static void
gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkMenuItemClass *menu_item_class;
GtkContainerClass *container_class;
object_class = (GtkObjectClass*) klass;
widget_class = (GtkWidgetClass*) klass;
menu_item_class = (GtkMenuItemClass*) klass;
container_class = (GtkContainerClass*) klass;
parent_class = (GtkMenuItemClass*) gtk_type_class (gtk_menu_item_get_type ());
widget_class->draw = gtk_pixmap_menu_item_draw;
widget_class->expose_event = gtk_pixmap_menu_item_expose;
widget_class->map = gtk_pixmap_menu_item_map;
widget_class->size_allocate = gtk_pixmap_menu_item_size_allocate;
widget_class->size_request = gtk_pixmap_menu_item_size_request;
container_class->forall = gtk_pixmap_menu_item_forall;
container_class->remove = gtk_pixmap_menu_item_remove;
klass->orig_toggle_size = menu_item_class->toggle_size;
klass->have_pixmap_count = 0;
}
static void
gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item)
{
GtkMenuItem *mi;
mi = GTK_MENU_ITEM (menu_item);
menu_item->pixmap = NULL;
}
static void
gtk_pixmap_menu_item_draw (GtkWidget *widget,
GdkRectangle *area)
{
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
g_return_if_fail (area != NULL);
if (GTK_WIDGET_CLASS (parent_class)->draw)
(* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
if (GTK_WIDGET_DRAWABLE (widget) &&
GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
}
}
static gint
gtk_pixmap_menu_item_expose (GtkWidget *widget,
GdkEventExpose *event)
{
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (GTK_WIDGET_CLASS (parent_class)->expose_event)
(* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
if (GTK_WIDGET_DRAWABLE (widget) &&
GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
}
return FALSE;
}
/**
* gtk_pixmap_menu_item_set_pixmap
* @menu_item: Pointer to the pixmap menu item
* @pixmap: Pointer to a pixmap widget
*
* Set the pixmap of the menu item.
*
**/
void
gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
GtkWidget *pixmap)
{
g_return_if_fail (menu_item != NULL);
g_return_if_fail (pixmap != NULL);
g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (menu_item));
g_return_if_fail (GTK_IS_WIDGET (pixmap));
g_return_if_fail (menu_item->pixmap == NULL);
gtk_widget_set_parent (pixmap, GTK_WIDGET (menu_item));
menu_item->pixmap = pixmap;
if (GTK_WIDGET_REALIZED (pixmap->parent) &&
!GTK_WIDGET_REALIZED (pixmap))
gtk_widget_realize (pixmap);
if (GTK_WIDGET_VISIBLE (pixmap->parent)) {
if (GTK_WIDGET_MAPPED (pixmap->parent) &&
GTK_WIDGET_VISIBLE(pixmap) &&
!GTK_WIDGET_MAPPED (pixmap))
gtk_widget_map (pixmap);
}
changed_have_pixmap_status(menu_item);
if (GTK_WIDGET_VISIBLE (pixmap) && GTK_WIDGET_VISIBLE (menu_item))
gtk_widget_queue_resize (pixmap);
}
static void
gtk_pixmap_menu_item_map (GtkWidget *widget)
{
GtkPixmapMenuItem *menu_item;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
menu_item = GTK_PIXMAP_MENU_ITEM(widget);
GTK_WIDGET_CLASS(parent_class)->map(widget);
if (menu_item->pixmap &&
GTK_WIDGET_VISIBLE (menu_item->pixmap) &&
!GTK_WIDGET_MAPPED (menu_item->pixmap))
gtk_widget_map (menu_item->pixmap);
}
static void
gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkPixmapMenuItem *pmenu_item;
pmenu_item = GTK_PIXMAP_MENU_ITEM(widget);
if (pmenu_item->pixmap && GTK_WIDGET_VISIBLE(pmenu_item))
{
GtkAllocation child_allocation;
int border_width;
border_width = GTK_CONTAINER (widget)->border_width;
child_allocation.width = pmenu_item->pixmap->requisition.width;
child_allocation.height = pmenu_item->pixmap->requisition.height;
child_allocation.x = border_width + BORDER_SPACING;
child_allocation.y = (border_width + BORDER_SPACING
+ (((allocation->height - child_allocation.height) - child_allocation.x)
/ 2)); /* center pixmaps vertically */
gtk_widget_size_allocate (pmenu_item->pixmap, &child_allocation);
}
if (GTK_WIDGET_CLASS (parent_class)->size_allocate)
GTK_WIDGET_CLASS(parent_class)->size_allocate (widget, allocation);
}
static void
gtk_pixmap_menu_item_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data)
{
GtkPixmapMenuItem *menu_item;
g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
g_return_if_fail (callback != NULL);
menu_item = GTK_PIXMAP_MENU_ITEM (container);
if (menu_item->pixmap)
(* callback) (menu_item->pixmap, callback_data);
GTK_CONTAINER_CLASS(parent_class)->forall(container,include_internals,
callback,callback_data);
}
static void
gtk_pixmap_menu_item_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkPixmapMenuItem *menu_item;
GtkRequisition req = {0, 0};
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_MENU_ITEM (widget));
g_return_if_fail (requisition != NULL);
GTK_WIDGET_CLASS(parent_class)->size_request(widget,requisition);
menu_item = GTK_PIXMAP_MENU_ITEM (widget);
if (menu_item->pixmap)
gtk_widget_size_request(menu_item->pixmap, &req);
requisition->height = MAX(req.height + GTK_CONTAINER(widget)->border_width + BORDER_SPACING, (unsigned int) requisition->height);
requisition->width += (req.width + GTK_CONTAINER(widget)->border_width + BORDER_SPACING);
}
static void
gtk_pixmap_menu_item_remove (GtkContainer *container,
GtkWidget *child)
{
GtkBin *bin;
gboolean widget_was_visible;
g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
g_return_if_fail (child != NULL);
g_return_if_fail (GTK_IS_WIDGET (child));
bin = GTK_BIN (container);
g_return_if_fail ((bin->child == child ||
(GTK_PIXMAP_MENU_ITEM(container)->pixmap == child)));
widget_was_visible = GTK_WIDGET_VISIBLE (child);
gtk_widget_unparent (child);
if (bin->child == child)
bin->child = NULL;
else {
GTK_PIXMAP_MENU_ITEM(container)->pixmap = NULL;
changed_have_pixmap_status(GTK_PIXMAP_MENU_ITEM(container));
}
if (widget_was_visible)
gtk_widget_queue_resize (GTK_WIDGET (container));
}
/* important to only call this if there was actually a _change_ in pixmap == NULL */
static void
changed_have_pixmap_status (GtkPixmapMenuItem *menu_item)
{
if (menu_item->pixmap != NULL) {
GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count += 1;
if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 1) {
/* Install pixmap toggle size */
GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = MAX(GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size, PMAP_WIDTH);
}
} else {
GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count -= 1;
if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 0) {
/* Install normal toggle size */
GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size;
}
}
/* Note that we actually need to do this for _all_ GtkPixmapMenuItem
whenever the klass->toggle_size changes; but by doing it anytime
this function is called, we get the same effect, just because of
how the preferences option to show pixmaps works. Bogus, broken.
*/
if (GTK_WIDGET_VISIBLE(GTK_WIDGET(menu_item)))
gtk_widget_queue_resize(GTK_WIDGET(menu_item));
}
#endif
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