156 lines
4.4 KiB
C
156 lines
4.4 KiB
C
/*
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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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/** \file
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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 ARegion;
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struct ScrArea;
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/* wmKeyMap is in DNA_windowmanager.h, it's saveable */
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/** Custom types for handlers, for signaling, freeing */
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enum eWM_EventHandlerType {
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WM_HANDLER_TYPE_GIZMO = 1,
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WM_HANDLER_TYPE_UI,
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WM_HANDLER_TYPE_OP,
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WM_HANDLER_TYPE_DROPBOX,
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WM_HANDLER_TYPE_KEYMAP,
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};
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typedef struct wmEventHandler {
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struct wmEventHandler *next, *prev;
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enum eWM_EventHandlerType type;
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char flag; /* WM_HANDLER_BLOCKING, ... */
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/** Optional local and windowspace bb. */
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const rcti *bblocal, *bbwin;
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} wmEventHandler;
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/** Run after the keymap item runs. */
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struct wmEventHandler_KeymapPost {
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void (*post_fn)(wmKeyMap *keymap, wmKeyMapItem *kmi, void *user_data);
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void *user_data;
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};
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/** Support for a getter function that looks up the keymap each access. */
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struct wmEventHandler_KeymapDynamic {
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wmEventHandler_KeymapDynamicFn *keymap_fn;
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void *user_data;
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};
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/** #WM_HANDLER_TYPE_KEYMAP */
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typedef struct wmEventHandler_Keymap {
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wmEventHandler head;
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/** Pointer to builtin/custom keymaps (never NULL). */
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wmKeyMap *keymap;
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struct wmEventHandler_KeymapPost post;
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struct wmEventHandler_KeymapDynamic dynamic;
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struct bToolRef *keymap_tool;
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} wmEventHandler_Keymap;
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/** #WM_HANDLER_TYPE_GIZMO */
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typedef struct wmEventHandler_Gizmo {
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wmEventHandler head;
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/** Gizmo handler (never NULL). */
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struct wmGizmoMap *gizmo_map;
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} wmEventHandler_Gizmo;
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/** #WM_HANDLER_TYPE_UI */
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typedef struct wmEventHandler_UI {
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wmEventHandler head;
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wmUIHandlerFunc handle_fn; /* callback receiving events */
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wmUIHandlerRemoveFunc remove_fn; /* callback when handler is removed */
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void *user_data; /* user data pointer */
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/** Store context for this handler for derived/modal handlers. */
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struct {
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struct ScrArea *area;
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struct ARegion *region;
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struct ARegion *menu;
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} context;
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} wmEventHandler_UI;
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/** #WM_HANDLER_TYPE_OP */
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typedef struct wmEventHandler_Op {
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wmEventHandler head;
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/** Operator can be NULL. */
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wmOperator *op;
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/** Hack, special case for file-select. */
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bool is_fileselect;
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/** Store context for this handler for derived/modal handlers. */
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struct {
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struct ScrArea *area;
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struct ARegion *region;
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short region_type;
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} context;
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} wmEventHandler_Op;
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/** #WM_HANDLER_TYPE_DROPBOX */
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typedef struct wmEventHandler_Dropbox {
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wmEventHandler head;
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/** Never NULL. */
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ListBase *dropboxes;
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} wmEventHandler_Dropbox;
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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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float wm_pressure_curve(float raw_pressure);
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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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