diff options
Diffstat (limited to 'source/blender/editors/space_time/time_ops.c')
| -rw-r--r-- | source/blender/editors/space_time/time_ops.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/source/blender/editors/space_time/time_ops.c b/source/blender/editors/space_time/time_ops.c new file mode 100644 index 00000000000..a02c5eb6844 --- /dev/null +++ b/source/blender/editors/space_time/time_ops.c @@ -0,0 +1,185 @@ +/** + * $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) 2008 Blender Foundation. + * All rights reserved. + * + * + * Contributor(s): Blender Foundation + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#include <stdlib.h> + +#include "MEM_guardedalloc.h" + +#include "DNA_scene_types.h" +#include "DNA_screen_types.h" +#include "DNA_space_types.h" +#include "DNA_windowmanager_types.h" + +#include "BLI_blenlib.h" + +#include "BKE_global.h" + +#include "BIF_view2d.h" + +#include "WM_api.h" +#include "WM_types.h" + +/* ********************** frame change operator ***************************/ + +static int change_frame_init(bContext *C, wmOperator *op) +{ + SpaceTime *stime= C->area->spacedata.first; + int cfra; + + if(!OP_get_int(op, "frame", &cfra)) + return 0; + + stime->flag |= TIME_CFRA_NUM; + + return 1; +} + +static void change_frame_apply(bContext *C, wmOperator *op) +{ + int cfra; + + OP_get_int(op, "frame", &cfra); + + if(cfra < MINFRAME) + cfra= MINFRAME; + +#if 0 + if( cfra!=CFRA || first ) + { + first= 0; + CFRA= cfra; + update_for_newframe_nodraw(0); // 1= nosound + timeline_force_draw(stime->redraws); + } + else PIL_sleep_ms(30); +#endif + + if(cfra!=CFRA) + CFRA= cfra; + + WM_event_add_notifier(C->wm, C->window, 0, WM_NOTE_SCREEN_CHANGED, 0, NULL); + /* XXX: add WM_NOTE_TIME_CHANGED? */ +} + +static void change_frame_exit(bContext *C, wmOperator *op) +{ + SpaceTime *stime= C->area->spacedata.first; + + stime->flag &= ~TIME_CFRA_NUM; +} + +static int change_frame_exec(bContext *C, wmOperator *op) +{ + if(!change_frame_init(C, op)) + return OPERATOR_CANCELLED; + + change_frame_apply(C, op); + change_frame_exit(C, op); + return OPERATOR_FINISHED; +} + +static int frame_from_event(bContext *C, wmEvent *event) +{ + SpaceTime *stime= C->area->spacedata.first; + ARegion *region= C->region; + int x, y; + float viewx; + + /* XXX region->winrect isn't updated on window changes */ + x= event->x - region->winrct.xmin; + y= event->y - region->winrct.ymin; + BIF_view2d_region_to_view(&stime->v2d, x, y, &viewx, NULL); + + return (int)(viewx+0.5f); +} + +static int change_frame_invoke(bContext *C, wmOperator *op, wmEvent *event) +{ + OP_verify_int(op, "frame", frame_from_event(C, event), NULL); + change_frame_init(C, op); + change_frame_apply(C, op); + + /* add temp handler */ + WM_event_add_modal_handler(&C->region->handlers, op); + + return OPERATOR_RUNNING_MODAL; +} + +static int change_frame_cancel(bContext *C, wmOperator *op) +{ + change_frame_exit(C, op); + return OPERATOR_CANCELLED; +} + +static int change_frame_modal(bContext *C, wmOperator *op, wmEvent *event) +{ + /* execute the events */ + switch(event->type) { + case MOUSEMOVE: + OP_set_int(op, "frame", frame_from_event(C, event)); + change_frame_apply(C, op); + break; + + case LEFTMOUSE: + if(event->val==0) { + change_frame_exit(C, op); + WM_event_remove_modal_handler(&C->region->handlers, op); + return OPERATOR_FINISHED; + } + break; + } + + return OPERATOR_RUNNING_MODAL; +} + +/* Operator for joining two areas (space types) */ +void ED_TIME_OT_change_frame(wmOperatorType *ot) +{ + /* identifiers */ + ot->name= "Change frame"; + ot->idname= "ED_TIME_OT_change_frame"; + + /* api callbacks */ + ot->exec= change_frame_exec; + ot->invoke= change_frame_invoke; + ot->cancel= change_frame_cancel; + ot->modal= change_frame_modal; +} + +/* ************************** registration **********************************/ + +void time_operatortypes(void) +{ + WM_operatortype_append(ED_TIME_OT_change_frame); +} + +void time_keymap(wmWindowManager *wm) +{ + WM_keymap_verify_item(&wm->timekeymap, "ED_TIME_OT_change_frame", LEFTMOUSE, KM_PRESS, 0, 0); +} + |