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/**
* $Id$
*
* ***** 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 <string.h>
#include <stdio.h>
#include "DNA_object_types.h"
#include "DNA_space_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_windowmanager_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_dlrbTree.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_screen.h"
#include "BKE_utildefines.h"
#include "ED_keyframes_draw.h"
#include "ED_space_api.h"
#include "ED_screen.h"
#include "ED_util.h"
#include "WM_api.h"
#include "WM_types.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "ED_markers.h"
#include "time_intern.h"
/* ************************ main time area region *********************** */
/* draws a current frame indicator for the TimeLine */
static void time_draw_cfra_time(const bContext *C, SpaceTime *stime, ARegion *ar)
{
Scene *scene= CTX_data_scene(C);
float vec[2];
vec[0]= scene->r.cfra*scene->r.framelen;
UI_ThemeColor(TH_CFRAME); // no theme, should be global color once...
glLineWidth(3.0);
glBegin(GL_LINES);
vec[1]= ar->v2d.cur.ymin;
glVertex2fv(vec);
vec[1]= ar->v2d.cur.ymax;
glVertex2fv(vec);
glEnd();
glLineWidth(1.0);
}
static void time_draw_sfra_efra(const bContext *C, SpaceTime *stime, ARegion *ar)
{
View2D *v2d= UI_view2d_fromcontext(C);
Scene *scene= CTX_data_scene(C);
/* draw darkened area outside of active timeline
* frame range used is preview range or scene range */
UI_ThemeColorShade(TH_BACK, -25);
if (PSFRA < PEFRA) {
glRectf(v2d->cur.xmin, v2d->cur.ymin, (float)PSFRA, v2d->cur.ymax);
glRectf((float)PEFRA, v2d->cur.ymin, v2d->cur.xmax, v2d->cur.ymax);
}
else {
glRectf(v2d->cur.xmin, v2d->cur.ymin, v2d->cur.xmax, v2d->cur.ymax);
}
UI_ThemeColorShade(TH_BACK, -60);
/* thin lines where the actual frames are */
fdrawline((float)PSFRA, v2d->cur.ymin, (float)PSFRA, v2d->cur.ymax);
fdrawline((float)PEFRA, v2d->cur.ymin, (float)PEFRA, v2d->cur.ymax);
}
/* helper function - find actkeycolumn that occurs on cframe, or the nearest one if not found */
static ActKeyColumn *time_cfra_find_ak (ActKeyColumn *ak, float cframe)
{
ActKeyColumn *akn= NULL;
/* sanity checks */
if (ak == NULL)
return NULL;
/* check if this is a match, or whether it is in some subtree */
if (cframe < ak->cfra)
akn= time_cfra_find_ak(ak->left, cframe);
else if (cframe > ak->cfra)
akn= time_cfra_find_ak(ak->right, cframe);
/* if no match found (or found match), just use the current one */
if (akn == NULL)
return ak;
else
return akn;
}
/* helper for time_draw_keyframes() */
static void time_draw_idblock_keyframes(View2D *v2d, ID *id)
{
DLRBT_Tree keys;
ActKeyColumn *ak;
/* init binarytree-list for getting keyframes */
BLI_dlrbTree_init(&keys);
/* populate tree with keyframe nodes */
switch (GS(id->name)) {
case ID_SCE:
scene_to_keylist(NULL, (Scene *)id, &keys, NULL);
break;
case ID_OB:
ob_to_keylist(NULL, (Object *)id, &keys, NULL);
break;
}
/* build linked-list for searching */
BLI_dlrbTree_linkedlist_sync(&keys);
/* start drawing keyframes
* - we use the binary-search capabilities of the tree to only start from
* the first visible keyframe (last one can then be easily checked)
* - draw within a single GL block to be faster
*/
glBegin(GL_LINES);
for ( ak=time_cfra_find_ak(keys.root, v2d->cur.xmin);
(ak) && (ak->cfra <= v2d->cur.xmax);
ak=ak->next )
{
glVertex2f(ak->cfra, v2d->cur.ymin);
glVertex2f(ak->cfra, v2d->cur.ymax);
}
glEnd(); // GL_LINES
/* free temp stuff */
BLI_dlrbTree_free(&keys);
}
/* draw keyframe lines for timeline */
static void time_draw_keyframes(const bContext *C, SpaceTime *stime, ARegion *ar)
{
Scene *scene= CTX_data_scene(C);
Object *ob= CTX_data_active_object(C);
View2D *v2d= &ar->v2d;
/* draw scene keyframes first
* - only if we're not only showing the
*/
if ((scene) && (stime->flag & TIME_ONLYACTSEL)==0) {
/* set draw color */
glColor3ub(0xDD, 0xA7, 0x00);
time_draw_idblock_keyframes(v2d, (ID *)scene);
}
/* draw active object's keyframes */
if (ob) {
/* set draw color */
glColor3ub(0xDD, 0xD7, 0x00);
time_draw_idblock_keyframes(v2d, (ID *)ob);
}
}
/* ---------------- */
/* add handlers, stuff you only do once or on area/region changes */
static void time_main_area_init(wmWindowManager *wm, ARegion *ar)
{
ListBase *keymap;
UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_CUSTOM, ar->winx, ar->winy);
/* own keymap */
keymap= WM_keymap_listbase(wm, "TimeLine", SPACE_TIME, 0); /* XXX weak? */
WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
}
static void time_main_area_draw(const bContext *C, ARegion *ar)
{
/* draw entirely, view changes should be handled here */
SpaceTime *stime= CTX_wm_space_time(C);
View2D *v2d= &ar->v2d;
View2DGrid *grid;
View2DScrollers *scrollers;
float col[3];
int unit;
/* clear and setup matrix */
UI_GetThemeColor3fv(TH_BACK, col);
glClearColor(col[0], col[1], col[2], 0.0);
glClear(GL_COLOR_BUFFER_BIT);
UI_view2d_view_ortho(C, v2d);
/* start and end frame */
time_draw_sfra_efra(C, stime, ar);
/* grid */
unit= (stime->flag & TIME_DRAWFRAMES)? V2D_UNIT_FRAMES: V2D_UNIT_SECONDS;
grid= UI_view2d_grid_calc(C, v2d, unit, V2D_GRID_CLAMP, V2D_ARG_DUMMY, V2D_ARG_DUMMY, ar->winx, ar->winy);
UI_view2d_grid_draw(C, v2d, grid, (V2D_VERTICAL_LINES|V2D_VERTICAL_AXIS));
UI_view2d_grid_free(grid);
/* keyframes */
time_draw_keyframes(C, stime, ar);
/* current frame */
time_draw_cfra_time(C, stime, ar);
/* markers */
UI_view2d_view_orthoSpecial(C, v2d, 1);
draw_markers_time(C, 0);
/* reset view matrix */
UI_view2d_view_restore(C);
/* scrollers */
scrollers= UI_view2d_scrollers_calc(C, v2d, unit, V2D_GRID_CLAMP, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
UI_view2d_scrollers_draw(C, v2d, scrollers);
UI_view2d_scrollers_free(scrollers);
}
static void time_main_area_listener(ARegion *ar, wmNotifier *wmn)
{
/* context changes */
switch(wmn->category) {
case NC_SCENE:
/* any scene change for now */
ED_region_tag_redraw(ar);
break;
}
}
/* ************************ header time area region *********************** */
/* add handlers, stuff you only do once or on area/region changes */
static void time_header_area_init(wmWindowManager *wm, ARegion *ar)
{
UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
}
static void time_header_area_draw(const bContext *C, ARegion *ar)
{
float col[3];
/* clear */
if(ED_screen_area_active(C))
UI_GetThemeColor3fv(TH_HEADER, col);
else
UI_GetThemeColor3fv(TH_HEADERDESEL, col);
glClearColor(col[0], col[1], col[2], 0.0);
glClear(GL_COLOR_BUFFER_BIT);
/* set view2d view matrix for scrolling (without scrollers) */
UI_view2d_view_ortho(C, &ar->v2d);
time_header_buttons(C, ar);
/* restore view matrix? */
UI_view2d_view_restore(C);
}
static void time_header_area_listener(ARegion *ar, wmNotifier *wmn)
{
/* context changes */
switch(wmn->category) {
case NC_SCREEN:
if(wmn->data==ND_ANIMPLAY)
ED_region_tag_redraw(ar);
break;
case NC_SCENE:
switch (wmn->data) {
case ND_FRAME:
case ND_KEYINGSET:
ED_region_tag_redraw(ar);
break;
}
}
}
/* ******************** default callbacks for time space ***************** */
static SpaceLink *time_new(const bContext *C)
{
Scene *scene= CTX_data_scene(C);
ARegion *ar;
SpaceTime *stime;
stime= MEM_callocN(sizeof(SpaceTime), "inittime");
stime->spacetype= SPACE_TIME;
stime->redraws= TIME_ALL_3D_WIN|TIME_ALL_ANIM_WIN;
stime->flag |= TIME_DRAWFRAMES;
/* header */
ar= MEM_callocN(sizeof(ARegion), "header for time");
BLI_addtail(&stime->regionbase, ar);
ar->regiontype= RGN_TYPE_HEADER;
ar->alignment= RGN_ALIGN_BOTTOM;
/* main area */
ar= MEM_callocN(sizeof(ARegion), "main area for time");
BLI_addtail(&stime->regionbase, ar);
ar->regiontype= RGN_TYPE_WINDOW;
ar->v2d.tot.xmin= (float)(SFRA - 4);
ar->v2d.tot.ymin= 0.0f;
ar->v2d.tot.xmax= (float)(EFRA + 4);
ar->v2d.tot.ymax= 50.0f;
ar->v2d.cur= ar->v2d.tot;
ar->v2d.min[0]= 1.0f;
ar->v2d.min[1]= 50.0f;
ar->v2d.max[0]= MAXFRAMEF;
ar->v2d.max[1]= 50.0;
ar->v2d.minzoom= 0.1f;
ar->v2d.maxzoom= 10.0;
ar->v2d.scroll |= (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
ar->v2d.align |= V2D_ALIGN_NO_NEG_Y;
ar->v2d.keepofs |= V2D_LOCKOFS_Y;
ar->v2d.keepzoom |= V2D_LOCKZOOM_Y;
return (SpaceLink*)stime;
}
/* not spacelink itself */
static void time_free(SpaceLink *sl)
{
}
/* spacetype; init callback in ED_area_initialize() */
/* init is called to (re)initialize an existing editor (file read, screen changes) */
/* validate spacedata, add own area level handlers */
static void time_init(wmWindowManager *wm, ScrArea *sa)
{
}
static SpaceLink *time_duplicate(SpaceLink *sl)
{
SpaceTime *stime= (SpaceTime *)sl;
SpaceTime *stimen= MEM_dupallocN(stime);
return (SpaceLink *)stimen;
}
/* only called once, from space_api/spacetypes.c */
/* it defines all callbacks to maintain spaces */
void ED_spacetype_time(void)
{
SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype time");
ARegionType *art;
st->spaceid= SPACE_TIME;
strncpy(st->name, "Timeline", BKE_ST_MAXNAME);
st->new= time_new;
st->free= time_free;
st->init= time_init;
st->duplicate= time_duplicate;
st->operatortypes= time_operatortypes;
st->keymap= NULL;
/* regions: main window */
art= MEM_callocN(sizeof(ARegionType), "spacetype time region");
art->regionid = RGN_TYPE_WINDOW;
art->keymapflag= ED_KEYMAP_VIEW2D|ED_KEYMAP_MARKERS|ED_KEYMAP_ANIMATION|ED_KEYMAP_FRAMES;
art->init= time_main_area_init;
art->draw= time_main_area_draw;
art->listener= time_main_area_listener;
art->keymap= time_keymap;
BLI_addhead(&st->regiontypes, art);
/* regions: header */
art= MEM_callocN(sizeof(ARegionType), "spacetype time region");
art->regionid = RGN_TYPE_HEADER;
art->minsizey= HEADERY;
art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES;
art->init= time_header_area_init;
art->draw= time_header_area_draw;
art->listener= time_header_area_listener;
BLI_addhead(&st->regiontypes, art);
BKE_spacetype_register(st);
}
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