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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) 2008 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation, Joshua Leung
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/animation/anim_ops.c
* \ingroup edanimation
*/
#include <stdlib.h>
#include <math.h>
#include "BLO_sys_types.h"
#include "BLI_utildefines.h"
#include "BLF_api.h"
#include "DNA_anim_types.h"
#include "DNA_scene_types.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_sound.h"
#include "UI_view2d.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_anim_api.h"
#include "ED_screen.h"
#include "anim_intern.h"
/* ********************** frame change operator ***************************/
/* Check if the operator can be run from the current context */
static int change_frame_poll(bContext *C)
{
ScrArea *curarea= CTX_wm_area(C);
/* XXX temp? prevent changes during render */
if(G.rendering) return 0;
/* as long as there is an active area, and it isn't a Graph Editor
* (since the Graph Editor has its own version which does extra stuff),
* we're fine
*/
return ((curarea) && (curarea->spacetype != SPACE_IPO));
}
/* Set the new frame number */
static void change_frame_apply(bContext *C, wmOperator *op)
{
Scene *scene= CTX_data_scene(C);
/* set the new frame number */
CFRA= RNA_int_get(op->ptr, "frame");
FRAMENUMBER_MIN_CLAMP(CFRA);
SUBFRA = 0.f;
/* do updates */
sound_seek_scene(C);
WM_event_add_notifier(C, NC_SCENE|ND_FRAME, scene);
}
/* ---- */
/* Non-modal callback for running operator without user input */
static int change_frame_exec(bContext *C, wmOperator *op)
{
change_frame_apply(C, op);
return OPERATOR_FINISHED;
}
/* ---- */
/* Get frame from mouse coordinates */
static int frame_from_event(bContext *C, wmEvent *event)
{
ARegion *region= CTX_wm_region(C);
float viewx;
/* convert from region coordinates to View2D 'tot' space */
UI_view2d_region_to_view(®ion->v2d, event->mval[0], event->mval[1], &viewx, NULL);
/* round result to nearest int (frames are ints!) */
return (int)floor(viewx+0.5f);
}
/* Modal Operator init */
static int change_frame_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
/* Change to frame that mouse is over before adding modal handler,
* as user could click on a single frame (jump to frame) as well as
* click-dragging over a range (modal scrubbing).
*/
RNA_int_set(op->ptr, "frame", frame_from_event(C, event));
change_frame_apply(C, op);
/* add temp handler */
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}
/* Modal event handling of frame changing */
static int change_frame_modal(bContext *C, wmOperator *op, wmEvent *event)
{
/* execute the events */
switch (event->type) {
case ESCKEY:
return OPERATOR_FINISHED;
case MOUSEMOVE:
RNA_int_set(op->ptr, "frame", frame_from_event(C, event));
change_frame_apply(C, op);
break;
case LEFTMOUSE:
case RIGHTMOUSE:
/* we check for either mouse-button to end, as checking for ACTIONMOUSE (which is used to init
* the modal op) doesn't work for some reason
*/
if (event->val==KM_RELEASE)
return OPERATOR_FINISHED;
break;
}
return OPERATOR_RUNNING_MODAL;
}
static void ANIM_OT_change_frame(wmOperatorType *ot)
{
/* identifiers */
ot->name= _("Change frame");
ot->idname= "ANIM_OT_change_frame";
ot->description= _("Interactively change the current frame number");
/* api callbacks */
ot->exec= change_frame_exec;
ot->invoke= change_frame_invoke;
ot->modal= change_frame_modal;
ot->poll= change_frame_poll;
/* flags */
ot->flag= OPTYPE_BLOCKING|OPTYPE_UNDO;
/* rna */
RNA_def_int(ot->srna, "frame", 0, MINAFRAME, MAXFRAME, _("Frame"), "", MINAFRAME, MAXFRAME);
}
/* ****************** set preview range operator ****************************/
static int previewrange_define_exec(bContext *C, wmOperator *op)
{
Scene *scene= CTX_data_scene(C);
ARegion *ar= CTX_wm_region(C);
float sfra, efra;
int xmin, xmax;
/* get min/max values from border select rect (already in region coordinates, not screen) */
xmin= RNA_int_get(op->ptr, "xmin");
xmax= RNA_int_get(op->ptr, "xmax");
/* convert min/max values to frames (i.e. region to 'tot' rect) */
UI_view2d_region_to_view(&ar->v2d, xmin, 0, &sfra, NULL);
UI_view2d_region_to_view(&ar->v2d, xmax, 0, &efra, NULL);
/* set start/end frames for preview-range
* - must clamp within allowable limits
* - end must not be before start (though this won't occur most of the time)
*/
FRAMENUMBER_MIN_CLAMP(sfra);
FRAMENUMBER_MIN_CLAMP(efra);
if (efra < sfra) efra= sfra;
scene->r.flag |= SCER_PRV_RANGE;
scene->r.psfra= (int)floor(sfra + 0.5f);
scene->r.pefra= (int)floor(efra + 0.5f);
/* send notifiers */
WM_event_add_notifier(C, NC_SCENE|ND_FRAME, scene);
return OPERATOR_FINISHED;
}
static void ANIM_OT_previewrange_set(wmOperatorType *ot)
{
/* identifiers */
ot->name= _("Set Preview Range");
ot->idname= "ANIM_OT_previewrange_set";
ot->description= _("Interactively define frame range used for playback");
/* api callbacks */
ot->invoke= WM_border_select_invoke;
ot->exec= previewrange_define_exec;
ot->modal= WM_border_select_modal;
ot->cancel= WM_border_select_cancel;
ot->poll= ED_operator_animview_active;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
/* rna */
/* used to define frame range */
RNA_def_int(ot->srna, "xmin", 0, INT_MIN, INT_MAX, _("X Min"), "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "xmax", 0, INT_MIN, INT_MAX, _("X Max"), "", INT_MIN, INT_MAX);
/* these are not used, but are needed by borderselect gesture operator stuff */
RNA_def_int(ot->srna, "ymin", 0, INT_MIN, INT_MAX, _("Y Min"), "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "ymax", 0, INT_MIN, INT_MAX, _("Y Max"), "", INT_MIN, INT_MAX);
}
/* ****************** clear preview range operator ****************************/
static int previewrange_clear_exec(bContext *C, wmOperator *UNUSED(op))
{
Scene *scene= CTX_data_scene(C);
ScrArea *curarea= CTX_wm_area(C);
/* sanity checks */
if (ELEM(NULL, scene, curarea))
return OPERATOR_CANCELLED;
/* simply clear values */
scene->r.flag &= ~SCER_PRV_RANGE;
scene->r.psfra= 0;
scene->r.pefra= 0;
ED_area_tag_redraw(curarea);
return OPERATOR_FINISHED;
}
static void ANIM_OT_previewrange_clear(wmOperatorType *ot)
{
/* identifiers */
ot->name= _("Clear Preview Range");
ot->idname= "ANIM_OT_previewrange_clear";
ot->description= _("Clear Preview Range");
/* api callbacks */
ot->exec= previewrange_clear_exec;
ot->poll= ED_operator_animview_active;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* ****************** time display toggle operator ****************************/
static int toggle_time_exec(bContext *C, wmOperator *UNUSED(op))
{
ScrArea *curarea= CTX_wm_area(C);
if (curarea == NULL)
return OPERATOR_CANCELLED;
/* simply toggle draw frames flag in applicable spaces */
// XXX or should relevant spaces define their own version of this?
switch (curarea->spacetype) {
case SPACE_TIME: /* TimeLine */
{
SpaceTime *stime= CTX_wm_space_time(C);
stime->flag ^= TIME_DRAWFRAMES;
}
break;
case SPACE_ACTION: /* Action Editor */
{
SpaceAction *saction= CTX_wm_space_action(C);
saction->flag ^= SACTION_DRAWTIME;
}
break;
case SPACE_IPO: /* Graph Editor */
{
SpaceIpo *sipo= CTX_wm_space_graph(C);
sipo->flag ^= SIPO_DRAWTIME;
}
break;
case SPACE_NLA: /* NLA Editor */
{
SpaceNla *snla= CTX_wm_space_nla(C);
snla->flag ^= SNLA_DRAWTIME;
}
break;
case SPACE_SEQ: /* Sequencer */
{
SpaceSeq *sseq= CTX_wm_space_seq(C);
sseq->flag ^= SEQ_DRAWFRAMES;
}
break;
default: /* editor doesn't show frames */
return OPERATOR_CANCELLED; // XXX or should we pass through instead?
}
ED_area_tag_redraw(curarea);
return OPERATOR_FINISHED;
}
static void ANIM_OT_time_toggle(wmOperatorType *ot)
{
/* identifiers */
ot->name= _("Toggle Frames/Seconds");
ot->idname= "ANIM_OT_time_toggle";
ot->description= _("Toggle whether timing is displayed in frames or seconds for active timeline view");
/* api callbacks */
ot->exec= toggle_time_exec;
ot->poll= ED_operator_animview_active;
}
/* ************************** registration **********************************/
void ED_operatortypes_anim(void)
{
/* Animation Editors only -------------------------- */
WM_operatortype_append(ANIM_OT_change_frame);
WM_operatortype_append(ANIM_OT_time_toggle);
WM_operatortype_append(ANIM_OT_previewrange_set);
WM_operatortype_append(ANIM_OT_previewrange_clear);
/* Entire UI --------------------------------------- */
WM_operatortype_append(ANIM_OT_keyframe_insert);
WM_operatortype_append(ANIM_OT_keyframe_delete);
WM_operatortype_append(ANIM_OT_keyframe_insert_menu);
WM_operatortype_append(ANIM_OT_keyframe_delete_v3d);
WM_operatortype_append(ANIM_OT_keyframe_insert_button);
WM_operatortype_append(ANIM_OT_keyframe_delete_button);
WM_operatortype_append(ANIM_OT_driver_button_add);
WM_operatortype_append(ANIM_OT_driver_button_remove);
WM_operatortype_append(ANIM_OT_copy_driver_button);
WM_operatortype_append(ANIM_OT_paste_driver_button);
WM_operatortype_append(ANIM_OT_keyingset_button_add);
WM_operatortype_append(ANIM_OT_keyingset_button_remove);
WM_operatortype_append(ANIM_OT_keying_set_add);
WM_operatortype_append(ANIM_OT_keying_set_remove);
WM_operatortype_append(ANIM_OT_keying_set_path_add);
WM_operatortype_append(ANIM_OT_keying_set_path_remove);
WM_operatortype_append(ANIM_OT_keying_set_active_set);
}
void ED_keymap_anim(wmKeyConfig *keyconf)
{
wmKeyMap *keymap= WM_keymap_find(keyconf, "Animation", 0, 0);
/* frame management */
/* NOTE: 'ACTIONMOUSE' not 'LEFTMOUSE', as user may have swapped mouse-buttons */
WM_keymap_add_item(keymap, "ANIM_OT_change_frame", ACTIONMOUSE, KM_PRESS, 0, 0);
WM_keymap_verify_item(keymap, "ANIM_OT_time_toggle", TKEY, KM_PRESS, KM_CTRL, 0);
/* preview range */
WM_keymap_verify_item(keymap, "ANIM_OT_previewrange_set", PKEY, KM_PRESS, 0, 0);
WM_keymap_verify_item(keymap, "ANIM_OT_previewrange_clear", PKEY, KM_PRESS, KM_ALT, 0);
}
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