112 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * ***** BEGIN GPL LICENSE BLOCK *****
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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 *
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 * The Original Code is Copyright (C) 2007 Blender Foundation.
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 * All rights reserved.
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 *
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 *
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 * Contributor(s): Blender Foundation
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 *
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 * ***** END GPL LICENSE BLOCK *****
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 */
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/** \file blender/windowmanager/wm_event_system.h
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 *  \ingroup wm
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 */
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#ifndef __WM_EVENT_SYSTEM_H__
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#define __WM_EVENT_SYSTEM_H__
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/* return value of handler-operator call */
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#define WM_HANDLER_CONTINUE  0
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#define WM_HANDLER_BREAK     1
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#define WM_HANDLER_HANDLED   2
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#define WM_HANDLER_MODAL     4 /* MODAL|BREAK means unhandled */
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struct ScrArea;
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struct ARegion;
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/* wmKeyMap is in DNA_windowmanager.h, it's saveable */
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struct wmEventHandler_KeymapFn {
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	void (*handle_post_fn)(wmKeyMap *keymap, wmKeyMapItem *kmi, void *user_data);
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	void  *user_data;
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};
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typedef struct wmEventHandler {
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	struct wmEventHandler *next, *prev;
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	char type;                          /* WM_HANDLER_DEFAULT, ... */
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	char flag;                          /* WM_HANDLER_BLOCKING, ... */
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	/* keymap handler */
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	wmKeyMap *keymap;                   /* pointer to builtin/custom keymaps */
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	const rcti *bblocal, *bbwin;              /* optional local and windowspace bb */
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	/* Run after the keymap item runs. */
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	struct wmEventHandler_KeymapFn keymap_callback;
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	struct bToolRef *keymap_tool;
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	/* modal operator handler */
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	wmOperator *op;                     /* for derived/modal handlers */
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	struct ScrArea *op_area;            /* for derived/modal handlers */
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	struct ARegion *op_region;          /* for derived/modal handlers */
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	short           op_region_type;     /* for derived/modal handlers */
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	/* ui handler */
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	wmUIHandlerFunc ui_handle;          /* callback receiving events */
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	wmUIHandlerRemoveFunc ui_remove;    /* callback when handler is removed */
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	void *ui_userdata;                  /* user data pointer */
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	struct ScrArea *ui_area;            /* for derived/modal handlers */
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	struct ARegion *ui_region;          /* for derived/modal handlers */
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	struct ARegion *ui_menu;            /* for derived/modal handlers */
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	/* drop box handler */
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	ListBase *dropboxes;
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	/* gizmo handler */
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	struct wmGizmoMap *gizmo_map;
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} wmEventHandler;
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/* custom types for handlers, for signaling, freeing */
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enum {
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	WM_HANDLER_DEFAULT,
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	WM_HANDLER_FILESELECT
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};
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/* wm_event_system.c */
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void        wm_event_free_all       (wmWindow *win);
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void        wm_event_free           (wmEvent *event);
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void        wm_event_free_handler   (wmEventHandler *handler);
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            /* goes over entire hierarchy:  events -> window -> screen -> area -> region */
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void        wm_event_do_handlers    (bContext *C);
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void        wm_event_add_ghostevent (wmWindowManager *wm, wmWindow *win, int type, int time, void *customdata);
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void        wm_event_do_depsgraph(bContext *C);
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void        wm_event_do_refresh_wm_and_depsgraph(bContext *C);
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void        wm_event_do_notifiers(bContext *C);
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/* wm_keymap.c */
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/* wm_dropbox.c */
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void        wm_dropbox_free(void);
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void        wm_drags_check_ops(bContext *C, const wmEvent *event);
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void        wm_drags_draw(bContext *C, wmWindow *win, rcti *rect);
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#endif /* __WM_EVENT_SYSTEM_H__ */
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