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/*
* ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2007 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/windowmanager/wm_event_system.h
* \ingroup wm
*/
#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
#define WM_HANDLER_HANDLED 2
#define WM_HANDLER_MODAL 4 /* MODAL|BREAK means unhandled */
struct ScrArea;
struct ARegion;
/* wmKeyMap is in DNA_windowmanager.h, it's savable */
typedef struct wmEventHandler {
struct wmEventHandler *next, *prev;
char type; /* WM_HANDLER_DEFAULT, ... */
char flag; /* WM_HANDLER_BLOCKING, ... */
/* keymap handler */
wmKeyMap *keymap; /* pointer to builtin/custom keymaps */
const 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 */
short op_region_type; /* 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 */
struct ARegion *ui_menu; /* for derived/modal handlers */
/* drop box handler */
ListBase *dropboxes;
} wmEventHandler;
/* custom types for handlers, for signalling, freeing */
enum {
WM_HANDLER_DEFAULT,
WM_HANDLER_FILESELECT
};
/* wm_event_system.c */
void wm_event_free_all (wmWindow *win);
void wm_event_free (wmEvent *event);
void wm_event_free_handler (wmEventHandler *handler);
/* goes over entire hierarchy: events -> window -> screen -> area -> region */
void wm_event_do_handlers (bContext *C);
void wm_event_add_ghostevent (wmWindowManager *wm, wmWindow *win, int type, int time, void *customdata);
void wm_event_do_notifiers (bContext *C);
/* wm_keymap.c */
/* wm_dropbox.c */
void wm_dropbox_free(void);
void wm_drags_check_ops(bContext *C, wmEvent *event);
void wm_drags_draw(bContext *C, wmWindow *win, rcti *rect);
#endif /* __WM_EVENT_SYSTEM_H__ */
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