src/glut/beos/glutMenu.h

   1 /***********************************************************
   2  *      Copyright (C) 1997, Be Inc.  All rights reserved.
   3  *
   4  *  FILE:       glutMenu.h
   5  *
   6  *      DESCRIPTION:    the GlutMenu class is a simple popup menu
   7  ***********************************************************/
   8
   9 /***********************************************************
  10  *      Headers
  11  ***********************************************************/
  12 #include <GL/glut.h>
  13 #include <Menu.h>
  14 #include <MenuItem.h>
  15
  16 /***********************************************************
  17  *      Definitions
  18  ***********************************************************/
  19 const int32 MENU_ITEM = 'menu';
  20
  21 /***********************************************************
  22  *      CLASS:  GlutMenu
  23  ***********************************************************/
  24 class GlutMenuItem;
  25 class GlutPopUp;
  26 class GlutMenu {
  27 public:
  28         GlutMenu(int n_id, GLUTselectCB n_select) {
  29                 id = n_id;
  30                 select = n_select;
  31                 list = 0;
  32                 num = 0;
  33         }
  34         ~GlutMenu();
  35         BMenu *CreateBMenu(bool toplevel=true); // construct BPopUpMenu
  36
  37         // public data
  38         int id;
  39         GLUTselectCB select;    // callback function
  40         GlutMenuItem *list;             // list of menu items
  41         int num;                                // number of items
  42 };
  43
  44 /***********************************************************
  45  *      CLASS:  GlutMenuItem
  46  ***********************************************************/
  47 class GlutMenuItem {
  48 public:
  49         GlutMenuItem(GlutMenu *n_menu, bool n_trig, int n_value, const char *n_label);
  50
  51         // public data
  52         GlutMenu *menu;         // parent menu
  53         bool isTrigger;         // are we a submenu?
  54         int value;                      // value to send, or submenu id if isTrigger
  55         char *label;            // strdup'ed label string
  56         GlutMenuItem *next; // next menu entry on list
  57 };
  58
  59 /***********************************************************
  60  *      CLASS:  GlutPopUp
  61  ***********************************************************/
  62 class GlutPopUp : public BPopUpMenu {
  63 public:
  64         GlutPopUp(int m) : BPopUpMenu(0, false, false) { menu = m;}
  65
  66         BPoint point;   // point to start menu
  67         GlutWindow *win;        // pointer to my window
  68         int menu;               // my menu number
  69 };
  70
  71 /***********************************************************
  72  *      CLASS:  GlutBMenuItem
  73  ***********************************************************/
  74 class GlutBMenuItem : public BMenuItem {
  75 public:
  76         GlutBMenuItem(const char *name) : BMenuItem(name, 0) {}
  77         GlutBMenuItem(BMenu* menu) : BMenuItem(menu) {}
  78         int menu, value;
  79 };