src/libs/glut/glutMenu.h

   1 /***********************************************************
   2  *      Copyright (C) 1997, Be Inc.  Copyright (C) 1999, Jake Hamby.
   3  *
   4  * This program is freely distributable without licensing fees
   5  * and is provided without guarantee or warrantee expressed or
   6  * implied. This program is -not- in the public domain.
   7  *
   8  *  FILE:       glutMenu.h
   9  *
  10  *      DESCRIPTION:    the GlutMenu class is a simple popup menu
  11  ***********************************************************/
  12
  13 /***********************************************************
  14  *      Headers
  15  ***********************************************************/
  16 #include <GL/glut.h>
  17 #include <Menu.h>
  18 #include <MenuItem.h>
  19 #include <PopUpMenu.h>
  20
  21 /***********************************************************
  22  *      Definitions
  23  ***********************************************************/
  24 const int32 MENU_ITEM = 'menu';
  25
  26 /***********************************************************
  27  *      CLASS:  GlutMenu
  28  ***********************************************************/
  29 class GlutMenuItem;
  30 class GlutPopUp;
  31 class GlutMenu {
  32 public:
  33         GlutMenu(int n_id, GLUTselectCB n_select) {
  34                 id = n_id;
  35                 select = n_select;
  36                 list = 0;
  37                 num = 0;
  38         }
  39         ~GlutMenu();
  40         BMenu *CreateBMenu(bool toplevel=true); // construct BPopUpMenu
  41
  42         // public data
  43         int id;
  44         GLUTselectCB select;    // callback function
  45         GlutMenuItem *list;             // list of menu items
  46         int num;                                // number of items
  47 };
  48
  49 /***********************************************************
  50  *      CLASS:  GlutMenuItem
  51  ***********************************************************/
  52 class GlutMenuItem {
  53 public:
  54         GlutMenuItem(GlutMenu *n_menu, bool n_trig, int n_value, const char *n_label);
  55
  56         // public data
  57         GlutMenu *menu;         // parent menu
  58         bool isTrigger;         // are we a submenu?
  59         int value;                      // value to send, or submenu id if isTrigger
  60         char *label;            // strdup'ed label string
  61         GlutMenuItem *next; // next menu entry on list
  62 };
  63
  64 /***********************************************************
  65  *      CLASS:  GlutPopUp
  66  ***********************************************************/
  67 class GlutPopUp : public BPopUpMenu {
  68 public:
  69         GlutPopUp(int m) : BPopUpMenu(0, false, false) { menu = m;}
  70
  71         BPoint point;   // point to start menu
  72         GlutWindow *win;        // pointer to my window
  73         int menu;               // my menu number
  74 };
  75
  76 /***********************************************************
  77  *      CLASS:  GlutBMenuItem
  78  ***********************************************************/
  79 class GlutBMenuItem : public BMenuItem {
  80 public:
  81         GlutBMenuItem(const char *name) : BMenuItem(name, 0) {}
  82         GlutBMenuItem(BMenu* menu) : BMenuItem(menu) {}
  83         int menu, value;
  84 };