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/**
* $Id:
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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.
*
* The Original Code is Copyright (C) 2007 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef WM_EVENT_SYSTEM_H
#define WM_EVENT_SYSTEM_H
/* return value of handler-operator call */
#define WM_HANDLER_CONTINUE 0
#define WM_HANDLER_BREAK 1
struct ScrArea;
struct ARegion;
/* wmKeyMap is in DNA_windowmanager.h, it's savable */
typedef struct wmEventHandler {
struct wmEventHandler *next, *prev;
int type, flag; /* type default=0, rest is custom */
/* keymap handler */
ListBase *keymap; /* pointer to builtin/custom keymaps */
rcti *bblocal, *bbwin; /* optional local and windowspace bb */
/* modal operator handler */
wmOperator *op; /* for derived/modal handlers */
struct ScrArea *op_area; /* for derived/modal handlers */
struct ARegion *op_region; /* for derived/modal handlers */
/* ui handler */
wmUIHandlerFunc ui_handle; /* callback receiving events */
wmUIHandlerRemoveFunc ui_remove; /* callback when handler is removed */
void *ui_userdata; /* user data pointer */
struct ScrArea *ui_area; /* for derived/modal handlers */
struct ARegion *ui_region; /* for derived/modal handlers */
} wmEventHandler;
/* handler flag */
/* after this handler all others are ignored */
#define WM_HANDLER_BLOCKING 1
/* custom types for handlers, for signalling, freeing */
enum {
WM_HANDLER_DEFAULT,
WM_HANDLER_TRANSFORM
};
/* wm_event_system.c */
void wm_event_add(wmWindow *win, wmEvent *event_to_add);
void wm_event_free_all (wmWindow *win);
wmEvent *wm_event_next (wmWindow *win);
/* goes over entire hierarchy: events -> window -> screen -> area -> region */
void wm_event_do_handlers (bContext *C);
void wm_event_add_ghostevent(wmWindow *win, int type, void *customdata);
void wm_event_do_notifiers (bContext *C);
/* wm_keymap.c */
#endif /* WM_EVENT_SYSTEM_H */
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