include/wx/gtk/menu.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        menu.h
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling, Julian Smart
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10
  11 #ifndef __GTKMENUH__
  12 #define __GTKMENUH__
  13
  14 #ifdef __GNUG__
  15 #pragma interface
  16 #endif
  17
  18 #include "wx/defs.h"
  19 #include "wx/object.h"
  20 #include "wx/list.h"
  21 #include "wx/window.h"
  22 #include "wx/menuitem.h"
  23
  24 //-----------------------------------------------------------------------------
  25 // classes
  26 //-----------------------------------------------------------------------------
  27
  28 class wxMenuBar;
  29 class wxMenuItem;
  30 class wxMenu;
  31
  32 //-----------------------------------------------------------------------------
  33 // const
  34 //-----------------------------------------------------------------------------
  35
  36 #define   ID_SEPARATOR    (-1)
  37
  38 //-----------------------------------------------------------------------------
  39 // wxMenuBar
  40 //-----------------------------------------------------------------------------
  41
  42 class wxMenuBar : public wxWindow
  43 {
  44     DECLARE_DYNAMIC_CLASS(wxMenuBar)
  45
  46 public:
  47     // ctors
  48     wxMenuBar();
  49     wxMenuBar(long style);
  50     wxMenuBar(int n, wxMenu *menus[], const wxString titles[]);
  51     ~wxMenuBar();
  52
  53     // menubar construction
  54     void Append( wxMenu *menu, const wxString &title );
  55
  56     // item search
  57         // by menu and item names, returns wxNOT_FOUND if not found
  58     virtual int FindMenuItem(const wxString& menuString,
  59                              const wxString& itemString) const;
  60         // returns NULL if not found
  61     wxMenuItem* FindItem( int id ) const;
  62         // returns NULL if not found, fills menuForItem if !NULL
  63     wxMenuItem *FindItemForId(int itemId, wxMenu **menuForItem = NULL) const;
  64
  65     // state control
  66     void Check( int id, bool check );
  67     bool IsChecked( int id ) const;
  68     void Enable( int id, bool enable );
  69     bool IsEnabled( int id ) const;
  70
  71     void SetLabel( int id, const wxString &label );
  72     wxString GetLabel( int id ) const;
  73     wxString GetLabel() const                { return wxWindow::GetLabel(); }
  74
  75     void EnableTop( int pos, bool flag );
  76     void SetLabelTop( int pos, const wxString& label );
  77     wxString GetLabelTop( int pos ) const;
  78
  79     virtual void SetHelpString( int id, const wxString& helpString );
  80     virtual wxString GetHelpString( int id ) const;
  81
  82     int GetMenuCount() const { return m_menus.Number(); }
  83     wxMenu *GetMenu( int n ) const { return (wxMenu *)m_menus.Nth(n)->Data(); }
  84
  85 #ifdef WXWIN_COMPATIBILITY
  86     // compatibility: these functions are deprecated
  87     bool Enabled(int id) const { return IsEnabled(id); }
  88     bool Checked(int id) const { return IsChecked(id); }
  89
  90     wxMenuItem* FindMenuItemById( int id ) const { return FindItem(id); }
  91 #endif // WXWIN_COMPATIBILITY
  92
  93     // implementation only
  94     wxList& GetMenus() { return m_menus; }
  95
  96     void SetInvokingWindow( wxWindow *win );
  97     void UnsetInvokingWindow( wxWindow *win );
  98
  99     GtkAccelGroup   *m_accel;
 100     GtkItemFactory  *m_factory;
 101     wxList           m_menus;
 102     GtkWidget       *m_menubar;
 103     long             m_style;
 104 };
 105
 106 //-----------------------------------------------------------------------------
 107 // wxMenu
 108 //-----------------------------------------------------------------------------
 109
 110 class wxMenu : public wxEvtHandler
 111 {
 112     DECLARE_DYNAMIC_CLASS(wxMenu)
 113
 114 public:
 115     wxMenu( const wxString& title, const wxFunction func)
 116     {
 117         Init(title, 0, func);
 118     }
 119     wxMenu( long style )
 120     {
 121         Init( wxEmptyString, style );
 122     }
 123     wxMenu( const wxString& title = wxEmptyString, long style = 0 )
 124     {
 125         Init(title, style);
 126     }
 127
 128     ~wxMenu();
 129
 130     // operations
 131         // title
 132     void SetTitle(const wxString& label);
 133     const wxString GetTitle() const;
 134         // menu creation
 135     void AppendSeparator();
 136     void Append(int id, const wxString &item,
 137                 const wxString &helpStr = "", bool checkable = FALSE);
 138     void Append(int id, const wxString &item,
 139                 wxMenu *subMenu, const wxString &helpStr = "" );
 140     void Append(wxMenuItem *pItem);
 141     void Break() { }
 142
 143     // find item by name/id
 144     int FindItem( const wxString itemString ) const;
 145     wxMenuItem *FindItem( int id ) const;
 146
 147     // get/set item's state
 148     void Enable( int id, bool enable );
 149     bool IsEnabled( int id ) const;
 150     void Check( int id, bool check );
 151     bool IsChecked( int id ) const;
 152
 153     void SetLabel( int id, const wxString &label );
 154     wxString GetLabel( int id ) const;
 155
 156         // helpstring
 157     virtual void SetHelpString(int id, const wxString& helpString);
 158     virtual wxString GetHelpString(int id) const ;
 159
 160         // accessors
 161     wxList& GetItems() { return m_items; }
 162
 163     void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; }
 164     wxEvtHandler *GetEventHandler() { return m_eventHandler; }
 165
 166     void SetClientData( void* clientData ) { m_clientData = clientData; }
 167     void* GetClientData() const { return m_clientData; }
 168
 169     // Updates the UI for a menu and all submenus recursively.
 170     // source is the object that has the update event handlers
 171     // defined for it. If NULL, the menu or associated window
 172     // will be used.
 173     void UpdateUI(wxEvtHandler* source = (wxEvtHandler*) NULL);
 174
 175     wxMenuItem *FindItemForId( int id ) const { return FindItem( id ); }
 176
 177     wxFunction GetCallback() const { return m_callback; }
 178     void Callback(const wxFunction func) { m_callback = func; }
 179     wxFunction m_callback;
 180
 181 #ifdef WXWIN_COMPATIBILITY
 182
 183     // compatibility: these functions are deprecated
 184     bool Enabled(int id) const { return IsEnabled(id); }
 185     bool Checked(int id) const { return IsChecked(id); }
 186
 187 #endif // WXWIN_COMPATIBILITY
 188
 189     // implementation
 190     int FindMenuIdByMenuItem( GtkWidget *menuItem ) const;
 191     void SetInvokingWindow( wxWindow *win );
 192     wxWindow *GetInvokingWindow();
 193
 194     // implementation GTK only
 195     GtkWidget       *m_menu;  // GtkMenu
 196     GtkWidget       *m_owner;
 197     GtkAccelGroup   *m_accel;
 198     GtkItemFactory  *m_factory;
 199
 200     // used by wxMenuBar
 201     long GetStyle(void) const { return m_style; }
 202
 203 private:
 204     // common code for both constructors:
 205     void Init( const wxString& title,
 206                long style,
 207                const wxFunction func = (wxFunction) NULL );
 208
 209     wxString       m_title;
 210     wxList         m_items;
 211     wxWindow      *m_invokingWindow;
 212     wxEvtHandler  *m_eventHandler;
 213     void          *m_clientData;
 214     long           m_style;
 215 };
 216
 217 #endif // __GTKMENUH__