/*
 *  Window Maker window manager
 * 
 *  Copyright (c) 1997, 1998 Alfredo K. Kojima
 * 
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
 *  USA.
 */

#ifndef WMMENU_H_
#define WMMENU_H_

#include "wcore.h"

#define MI_DIAMOND	0
#define MI_CHECK	1
#define MI_MINIWINDOW	2
#define MI_HIDDEN	3
#define MI_SHADED	4

typedef struct WMenuEntry {
    int order;
    char *text;			       /* entry text */
    char *rtext;		       /* text to show in the right part */
    void (*callback)(struct WMenu *menu, struct WMenuEntry *entry);
    void (*free_cdata)(void *data);    /* proc to be used to free clientdata */
    void *clientdata;		       /* data to pass to callback */
    int cascade;		       /* cascade menu index */
#ifdef USER_MENU
	proplist_t instances;	/* allowed instances */
#endif /* USER_MENU */
    struct {
	unsigned int enabled:1;	       /* entry is selectable */
	unsigned int indicator:1;      /* left indicator */
	unsigned int indicator_on:1;
	unsigned int indicator_type:3;
	unsigned int editable:1;
    } flags;
} WMenuEntry;


typedef struct WMenu {
    struct WMenu *parent;
    struct WMenu *brother;

    time_t timestamp;		       /* for the root menu. Last time
					* menu was reloaded */
    
    /* decorations */
    struct WFrameWindow *frame;
    WCoreWindow *menu;		       /* the window menu */
    Pixmap menu_texture_data;
    int frame_x, frame_y;	       /* position of the frame in root*/

    WMenuEntry **entries;	       /* array of entries. This is shared
					* by the menu and it's "brother" */
    short alloced_entries;	       /* number of entries allocated in
					* entry array */
    struct WMenu **cascades;	       /* array of cascades */
    short cascade_no;
      
    short entry_no;		       /* number of entries */
    short selected_entry;
    
    short entry_height;		       /* height of each entry */

    WMHandlerID timer;		       /* timer for the autoscroll */
    
    void *jump_back;               /* jump back data */
    
    /* to be called when some entry is edited */
    void (*on_edit)(struct WMenu *menu, struct WMenuEntry *entry);
    /* to be called when destroyed */
    void (*on_destroy)(struct WMenu *menu);

    struct {
	unsigned int titled:1;
	unsigned int realized:1;       /* whether the window was configured */
	unsigned int app_menu:1;       /* this is a application or root menu */
	unsigned int mapped:1;	       /* if menu is already mapped on screen*/
	unsigned int buttoned:1;       /* if the close button is visible
					* (menu was torn off) */
	unsigned int open_to_left:1;  /* direction to open submenus */
	unsigned int lowered:1;

	unsigned int brother:1;	       /* if this is a copy of the menu*/
	unsigned int editing:1;
	unsigned int jump_back_pending:1;
	
	unsigned int inside_handler:1;
    } flags;
} WMenu;


void wMenuPaint(WMenu *menu);
void wMenuDestroy(WMenu *menu, int recurse);
void wMenuRealize(WMenu *menu);
WMenuEntry *wMenuInsertCascade(WMenu *menu, int index, char *text, 
			       WMenu *cascade);
WMenuEntry *wMenuInsertCallback(WMenu *menu, int index, char *text, 
				void (*callback)(WMenu *menu, WMenuEntry *entry),
				void *clientdata);

void wMenuEntrySetCascade(WMenu *menu, WMenuEntry *entry, WMenu *cascade);

#define wMenuAddCallback(menu, text, callback, data) \
	wMenuInsertCallback(menu, -1, text, callback, data)

void wMenuRemoveItem(WMenu *menu, int index);

WMenu *wMenuCreate(WScreen *screen, char *title, int main_menu);
WMenu *wMenuCreateForApp(WScreen *screen, char *title, int main_menu);
void wMenuMap(WMenu *menu);
void wMenuMapAt(WMenu *menu, int x, int y, int keyboard);
#define wMenuMapCopyAt(menu, x, y) wMenuMapAt((menu)->brother, (x), (y), False)
void wMenuUnmap(WMenu *menu);
void wMenuSetEnabled(WMenu *menu, int index, int enable);
void wMenuMove(WMenu *menu, int x, int y, int submenus);
void wMenuEntryRemoveCascade(WMenu *menu, WMenuEntry *entry);
void wMenuScroll(WMenu *menu, XEvent *event);
WMenu *wMenuUnderPointer(WScreen *screen);
void wMenuSaveState(WScreen *scr);
void wMenuRestoreState(WScreen *scr);


#endif