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     wxWindow        *m_invokingWindow;
 105 };
 106
 107 //-----------------------------------------------------------------------------
 108 // wxMenu
 109 //-----------------------------------------------------------------------------
 110
 111 class wxMenu : public wxEvtHandler
 112 {
 113     DECLARE_DYNAMIC_CLASS(wxMenu)
 114
 115 public:
 116     wxMenu( const wxString& title, const wxFunction func)
 117     {
 118         Init(title, 0, func);
 119     }
 120     wxMenu( long style )
 121     {
 122         Init( wxEmptyString, style );
 123     }
 124     wxMenu( const wxString& title = wxEmptyString, long style = 0 )
 125     {
 126         Init(title, style);
 127     }
 128
 129     ~wxMenu();
 130
 131     // operations
 132         // title
 133     void SetTitle(const wxString& label);
 134     const wxString GetTitle() const;
 135         // menu creation
 136     void AppendSeparator();
 137     void Append(int id, const wxString &item,
 138                 const wxString &helpStr = "", bool checkable = FALSE);
 139     void Append(int id, const wxString &item,
 140                 wxMenu *subMenu, const wxString &helpStr = "" );
 141     void Append(wxMenuItem *pItem);
 142     void Break() { }
 143
 144     // find item by name/id
 145     int FindItem( const wxString itemString ) const;
 146     wxMenuItem *FindItem( int id ) const;
 147
 148     // get/set item's state
 149     void Enable( int id, bool enable );
 150     bool IsEnabled( int id ) const;
 151     void Check( int id, bool check );
 152     bool IsChecked( int id ) const;
 153
 154     void SetLabel( int id, const wxString &label );
 155     wxString GetLabel( int id ) const;
 156
 157         // helpstring
 158     virtual void SetHelpString(int id, const wxString& helpString);
 159     virtual wxString GetHelpString(int id) const ;
 160
 161         // accessors
 162     wxList& GetItems() { return m_items; }
 163
 164     void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; }
 165     wxEvtHandler *GetEventHandler() { return m_eventHandler; }
 166
 167     void SetClientData( void* clientData ) { m_clientData = clientData; }
 168     void* GetClientData() const { return m_clientData; }
 169
 170     // Updates the UI for a menu and all submenus recursively.
 171     // source is the object that has the update event handlers
 172     // defined for it. If NULL, the menu or associated window
 173     // will be used.
 174     void UpdateUI(wxEvtHandler* source = (wxEvtHandler*) NULL);
 175
 176     wxMenuItem *FindItemForId( int id ) const { return FindItem( id ); }
 177
 178     wxFunction GetCallback() const { return m_callback; }
 179     void Callback(const wxFunction func) { m_callback = func; }
 180     wxFunction m_callback;
 181
 182 #ifdef WXWIN_COMPATIBILITY
 183
 184     // compatibility: these functions are deprecated
 185     bool Enabled(int id) const { return IsEnabled(id); }
 186     bool Checked(int id) const { return IsChecked(id); }
 187
 188 #endif // WXWIN_COMPATIBILITY
 189
 190     // implementation
 191     int FindMenuIdByMenuItem( GtkWidget *menuItem ) const;
 192     void SetInvokingWindow( wxWindow *win );
 193     wxWindow *GetInvokingWindow();
 194
 195     // implementation GTK only
 196     GtkWidget       *m_menu;  // GtkMenu
 197     GtkWidget       *m_owner;
 198     GtkAccelGroup   *m_accel;
 199     GtkItemFactory  *m_factory;
 200
 201     // used by wxMenuBar
 202     long GetStyle(void) const { return m_style; }
 203
 204 private:
 205     // common code for both constructors:
 206     void Init( const wxString& title,
 207                long style,
 208                const wxFunction func = (wxFunction) NULL );
 209
 210     wxString       m_title;
 211     wxList         m_items;
 212     wxWindow      *m_invokingWindow;
 213     wxEvtHandler  *m_eventHandler;
 214     void          *m_clientData;
 215     long           m_style;
 216 };
 217
 218 #endif // __GTKMENUH__