libs/glut/glutMenu.cpp

10  *	DESCRIPTION:	code for popup menu handling
31  *	DESCRIPTION:  helper function to get a new menu slot
44  *	DESCRIPTION:  helper function to get a new menu slot
70  *	DESCRIPTION:  create a new menu
75   GlutMenu *menu;
79   menu = new GlutMenu(menuid, selectFunc);	// constructor sets up members
80   menuList[menuid] = menu;
81   gState.currentMenu = menu;
89  *	DESCRIPTION:  set and get the current menu
104   GlutMenu *menu;
107     __glutWarning("glutSetMenu attempted on bogus menu.");
110   menu = menuList[menuid - 1];
111   if (!menu) {
112     __glutWarning("glutSetMenu attempted on bogus menu.");
115   gState.currentMenu = menu;
121  *	DESCRIPTION:  destroy the specified menu
126   GlutMenu *menu = __glutGetMenuByNum(menunum);
128   if (gState.currentMenu == menu) {
131   delete menu;
137  *	DESCRIPTION:  add a new menu item
151 glutAddSubMenu(const char *label, int menu)
153 	new GlutMenuItem(gState.currentMenu, true, menu-1, label);
159  *	DESCRIPTION:  change menuitem into a menu entry
180   __glutWarning("Current menu has no %d item.", num);
189 glutChangeToSubMenu(int num, const char *label, int menu)
201       item->value = menu-1;
207   __glutWarning("Current menu has no %d item.", num);
213  *	DESCRIPTION:  remove a menu item
229       /* Patch up menu's item list. */
240   __glutWarning("Current menu has no %d item.", num);
247  *	DESCRIPTION:  attach and detach menu from view
252 	gState.currentWindow->menu[button] = gState.currentMenu->id + 1;
258 	gState.currentWindow->menu[button] = 0;
266  *	DESCRIPTION:  construct a BPopupMenu for this menu
282 			bitem->menu = 0;	// real menu items start at 1
286 			bitem->menu = id + 1;
300  *	DESCRIPTION:  destroy the menu and its items (but not submenus!)
315  *	DESCRIPTION:  construct the new menu item and add to parent
319 	menu = n_menu;
323 	next = menu->list;
324 	menu->list = this;
325 	menu->num++;