src/gtk/menu.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        menu.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "menu.h"
  14 #endif
  15
  16 #include "wx/menu.h"
  17
  18 //-----------------------------------------------------------------------------
  19 // wxMenuBar
  20 //-----------------------------------------------------------------------------
  21
  22 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
  23
  24 wxMenuBar::wxMenuBar(void)
  25 {
  26   m_needParent = FALSE; // hmmm
  27
  28   PreCreation( NULL, -1, wxDefaultPosition, wxDefaultSize, 0, "menu" );
  29
  30   m_menus.DeleteContents( TRUE );
  31
  32   m_widget = gtk_handle_box_new();
  33
  34   m_menubar = gtk_menu_bar_new();
  35
  36   gtk_container_add( GTK_CONTAINER(m_widget), m_menubar );
  37
  38   gtk_widget_show( m_menubar );
  39
  40   PostCreation();
  41
  42   Show( TRUE );
  43 };
  44
  45 void wxMenuBar::Append( wxMenu *menu, const wxString &title )
  46 {
  47   m_menus.Append( menu );
  48   menu->m_title = title;    // ??????
  49
  50   size_t pos;
  51   do {
  52     pos = menu->m_title.First( '&' );
  53     if (pos != wxString::npos) menu->m_title.Remove( pos, 1 );
  54   } while (pos != wxString::npos);
  55
  56   GtkWidget *root_menu;
  57   root_menu = gtk_menu_item_new_with_label( WXSTRINGCAST(menu->m_title) );
  58   gtk_widget_show( root_menu );
  59   gtk_menu_item_set_submenu( GTK_MENU_ITEM(root_menu), menu->m_menu );
  60
  61   gtk_menu_bar_append( GTK_MENU_BAR(m_menubar), root_menu );
  62 };
  63
  64 int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
  65 {
  66   if (menu->m_title == menuString)
  67   {
  68     int res = menu->FindItem( itemString );
  69     if (res != -1) return res;
  70   };
  71   wxNode *node = menu->m_items.First();
  72   while (node)
  73   {
  74     wxMenuItem *item = (wxMenuItem*)node->Data();
  75     if (item->m_subMenu) return FindMenuItemRecursive( item->m_subMenu, menuString, itemString );
  76     node = node->Next();
  77   };
  78   return -1;
  79 };
  80
  81 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
  82 {
  83   wxNode *node = m_menus.First();
  84   while (node)
  85   {
  86     wxMenu *menu = (wxMenu*)node->Data();
  87     int res = FindMenuItemRecursive( menu, menuString, itemString);
  88     if (res != -1) return res;
  89     node = node->Next();
  90   };
  91   return -1;
  92 };
  93
  94
  95 //-----------------------------------------------------------------------------
  96 // wxMenu
  97 //-----------------------------------------------------------------------------
  98
  99 void gtk_menu_clicked_callback( GtkWidget *widget, gpointer data )
 100 {
 101   wxMenu *menu = (wxMenu*)data;
 102   int id = menu->FindMenuIdByMenuItem(widget);
 103
 104   if (!menu->Enabled(id)) return;
 105
 106   wxCommandEvent event( wxEVENT_TYPE_MENU_COMMAND, id );
 107   event.SetEventObject( menu );
 108   event.SetInt(id );
 109   wxWindow *win = menu->GetInvokingWindow();
 110   if (win) win->ProcessEvent( event );
 111 };
 112
 113 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem,wxObject)
 114
 115 wxMenuItem::wxMenuItem(void)
 116 {
 117   m_id = 0;
 118   m_text = "";
 119   m_isCheckMenu = FALSE;
 120   m_checked = FALSE;
 121   m_isSubMenu = FALSE;
 122   m_subMenu = NULL;
 123   m_helpStr = "";
 124   m_menuItem = NULL;
 125 };
 126
 127 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
 128
 129 wxMenu::wxMenu( const wxString &title )
 130 {
 131   m_title = title;
 132   m_items.DeleteContents( TRUE );
 133   m_invokingWindow = NULL;
 134   m_menu = gtk_menu_new();  // Do not show!
 135 };
 136
 137 void wxMenu::AppendSeparator(void)
 138 {
 139   wxMenuItem *mitem = new wxMenuItem();
 140   mitem->m_id = -1;
 141   mitem->m_text = "";
 142   mitem->m_helpStr = "";
 143   mitem->m_isCheckMenu = FALSE;
 144   mitem->m_isEnabled = TRUE;
 145   mitem->m_menuItem = gtk_menu_item_new();
 146   gtk_menu_append( GTK_MENU(m_menu), mitem->m_menuItem );
 147   gtk_widget_show( mitem->m_menuItem );
 148   m_items.Append( mitem );
 149 };
 150
 151 void wxMenu::Append( const int id, const wxString &item, const wxString &helpStr, const bool checkable )
 152 {
 153   wxMenuItem *mitem = new wxMenuItem();
 154   mitem->m_id = id;
 155
 156   mitem->m_text = item;
 157   size_t pos;
 158   do {
 159     pos = mitem->m_text.First( '&' );
 160     if (pos != wxString::npos) mitem->m_text.Remove( pos, 1 );
 161   } while (pos != wxString::npos);
 162
 163   mitem->m_helpStr = helpStr;
 164   mitem->m_isCheckMenu = checkable;
 165   mitem->m_isEnabled = TRUE;
 166   if (checkable)
 167     mitem->m_menuItem = gtk_check_menu_item_new_with_label( WXSTRINGCAST(mitem->m_text) );
 168   else
 169     mitem->m_menuItem = gtk_menu_item_new_with_label( WXSTRINGCAST(mitem->m_text) );
 170
 171   gtk_signal_connect( GTK_OBJECT(mitem->m_menuItem), "activate",
 172     GTK_SIGNAL_FUNC(gtk_menu_clicked_callback), (gpointer*)this );
 173
 174   gtk_menu_append( GTK_MENU(m_menu), mitem->m_menuItem );
 175   gtk_widget_show( mitem->m_menuItem );
 176   m_items.Append( mitem );
 177 };
 178
 179 void wxMenu::Append( const int id, const wxString &item, wxMenu *subMenu, const wxString &helpStr )
 180 {
 181   wxMenuItem *mitem = new wxMenuItem();
 182   mitem->m_id = id;
 183   mitem->m_text = item;
 184   mitem->m_isEnabled = TRUE;
 185
 186   size_t pos;
 187   do {
 188     pos = mitem->m_text.First( '&' );
 189     if (pos != wxString::npos) mitem->m_text.Remove( pos, 1 );
 190   } while (pos != wxString::npos);
 191
 192   mitem->m_helpStr = helpStr;
 193   mitem->m_menuItem = gtk_menu_item_new_with_label( WXSTRINGCAST(mitem->m_text) );
 194
 195   mitem->m_subMenu = subMenu;
 196   gtk_menu_item_set_submenu( GTK_MENU_ITEM(mitem->m_menuItem), subMenu->m_menu );
 197   gtk_menu_append( GTK_MENU(m_menu), mitem->m_menuItem );
 198   gtk_widget_show( mitem->m_menuItem );
 199   m_items.Append( mitem );
 200 };
 201
 202 int wxMenu::FindItem( const wxString itemString ) const
 203 {
 204   wxString s( itemString );
 205
 206   size_t pos;
 207   do {
 208     pos = s.First( '&' );
 209     if (pos != wxString::npos) s.Remove( pos, 1 );
 210   } while (pos != wxString::npos);
 211
 212   wxNode *node = m_items.First();
 213   while (node)
 214   {
 215     wxMenuItem *item = (wxMenuItem*)node->Data();
 216     if (item->m_text == s) return item->m_id;
 217     node = node->Next();
 218   };
 219   return -1;
 220 };
 221
 222 void wxMenu::Enable( const int id, const bool enable )
 223 {
 224   wxNode *node = m_items.First();
 225   while (node)
 226   {
 227     wxMenuItem *item = (wxMenuItem*)node->Data();
 228     if (item->m_id == id)
 229     {
 230       item->m_isEnabled = enable;
 231       return;
 232     };
 233     node = node->Next();
 234   };
 235 };
 236
 237 bool wxMenu::Enabled( const int id ) const
 238 {
 239   wxNode *node = m_items.First();
 240   while (node)
 241   {
 242     wxMenuItem *item = (wxMenuItem*)node->Data();
 243     if (item->m_id == id) return item->m_isEnabled;
 244     node = node->Next();
 245   };
 246   return FALSE;
 247 };
 248
 249 void wxMenu::SetLabel( const int id, const wxString &label )
 250 {
 251   wxString s( label );
 252   size_t pos;
 253   do {
 254     pos = s.First( '&' );
 255     if (pos != wxString::npos) s.Remove( pos, 1 );
 256   } while (pos != wxString::npos);
 257
 258   wxNode *node = m_items.First();
 259   while (node)
 260   {
 261     wxMenuItem *item = (wxMenuItem*)node->Data();
 262     item->m_text = s;
 263     if (item->m_id == id)
 264     {
 265       gtk_label_set( GTK_LABEL( GTK_BIN(item->m_menuItem)->child ), WXSTRINGCAST(s) );
 266     };
 267     node = node->Next();
 268   };
 269 };
 270
 271 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
 272 {
 273   wxNode *node = m_items.First();
 274   while (node)
 275   {
 276     wxMenuItem *item = (wxMenuItem*)node->Data();
 277     if (item->m_menuItem == menuItem) return item->m_id;
 278     node = node->Next();
 279   };
 280   return -1;
 281 };
 282
 283 void wxMenu::SetInvokingWindow( wxWindow *win )
 284 {
 285   m_invokingWindow = win;
 286 };
 287
 288 wxWindow *wxMenu::GetInvokingWindow(void)
 289 {
 290   return m_invokingWindow;
 291 };
 292
 293