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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_anim_types.h"
#include "DNA_object_types.h"
#include "DNA_space_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_rand.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "BKE_fcurve.h"
#include "BKE_screen.h"
#include "BKE_utildefines.h"
#include "ED_space_api.h"
#include "ED_screen.h"
#include "ED_anim_api.h"
#include "ED_markers.h"
#include "BIF_gl.h"
#include "WM_api.h"
#include "WM_types.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "graph_intern.h" // own include
/* ******************** manage regions ********************* */
ARegion *graph_has_buttons_region(ScrArea *sa)
{
ARegion *ar, *arnew;
for (ar= sa->regionbase.first; ar; ar= ar->next) {
if (ar->regiontype==RGN_TYPE_UI)
return ar;
}
/* add subdiv level; after main */
for (ar= sa->regionbase.first; ar; ar= ar->next) {
if (ar->regiontype==RGN_TYPE_WINDOW)
break;
}
/* is error! */
if (ar==NULL) return NULL;
arnew= MEM_callocN(sizeof(ARegion), "buttons for graph");
BLI_insertlinkafter(&sa->regionbase, ar, arnew);
arnew->regiontype= RGN_TYPE_UI;
arnew->alignment= RGN_ALIGN_RIGHT;
arnew->flag = RGN_FLAG_HIDDEN;
return arnew;
}
/* ******************** default callbacks for ipo space ***************** */
static SpaceLink *graph_new(const bContext *C)
{
Scene *scene= CTX_data_scene(C);
ARegion *ar;
SpaceIpo *sipo;
/* Graph Editor - general stuff */
sipo= MEM_callocN(sizeof(SpaceIpo), "init graphedit");
sipo->spacetype= SPACE_IPO;
sipo->autosnap= SACTSNAP_FRAME;
/* allocate DopeSheet data for Graph Editor */
sipo->ads= MEM_callocN(sizeof(bDopeSheet), "GraphEdit DopeSheet");
sipo->ads->source= (ID *)scene;
/* header */
ar= MEM_callocN(sizeof(ARegion), "header for graphedit");
BLI_addtail(&sipo->regionbase, ar);
ar->regiontype= RGN_TYPE_HEADER;
ar->alignment= RGN_ALIGN_BOTTOM;
/* channels */
ar= MEM_callocN(sizeof(ARegion), "channels area for graphedit");
BLI_addtail(&sipo->regionbase, ar);
ar->regiontype= RGN_TYPE_CHANNELS;
ar->alignment= RGN_ALIGN_LEFT;
ar->v2d.scroll = (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM);
/* ui buttons */
ar= MEM_callocN(sizeof(ARegion), "buttons area for graphedit");
BLI_addtail(&sipo->regionbase, ar);
ar->regiontype= RGN_TYPE_UI;
ar->alignment= RGN_ALIGN_RIGHT;
ar->flag = RGN_FLAG_HIDDEN;
/* main area */
ar= MEM_callocN(sizeof(ARegion), "main area for graphedit");
BLI_addtail(&sipo->regionbase, ar);
ar->regiontype= RGN_TYPE_WINDOW;
ar->v2d.tot.xmin= 0.0f;
ar->v2d.tot.ymin= (float)scene->r.sfra - 10.0f;
ar->v2d.tot.xmax= (float)scene->r.efra;
ar->v2d.tot.ymax= 10.0f;
ar->v2d.cur= ar->v2d.tot;
ar->v2d.min[0]= 0.001f;
ar->v2d.min[1]= 0.001f;
ar->v2d.max[0]= MAXFRAMEF;
ar->v2d.max[1]= 50000.0f;
ar->v2d.scroll= (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
ar->v2d.scroll |= (V2D_SCROLL_LEFT|V2D_SCROLL_SCALE_VERTICAL);
ar->v2d.keeptot= 0;
return (SpaceLink *)sipo;
}
/* not spacelink itself */
static void graph_free(SpaceLink *sl)
{
SpaceIpo *si= (SpaceIpo *)sl;
if (si->ads) {
BLI_freelistN(&si->ads->chanbase);
MEM_freeN(si->ads);
}
if (si->ghostCurves.first)
free_fcurves(&si->ghostCurves);
}
/* spacetype; init callback */
static void graph_init(struct wmWindowManager *wm, ScrArea *sa)
{
SpaceIpo *sipo= (SpaceIpo *)sa->spacedata.first;
/* init dopesheet data if non-existant (i.e. for old files) */
if (sipo->ads == NULL) {
sipo->ads= MEM_callocN(sizeof(bDopeSheet), "GraphEdit DopeSheet");
sipo->ads->source= (ID *)(G.main->scene.first); // FIXME: this is a really nasty hack here for now...
}
ED_area_tag_refresh(sa);
}
static SpaceLink *graph_duplicate(SpaceLink *sl)
{
SpaceIpo *sipon= MEM_dupallocN(sl);
/* clear or remove stuff from old */
BLI_duplicatelist(&sipon->ghostCurves, &((SpaceIpo *)sl)->ghostCurves);
sipon->ads= MEM_dupallocN(sipon->ads);
return (SpaceLink *)sipon;
}
/* add handlers, stuff you only do once or on area/region changes */
static void graph_main_area_init(wmWindowManager *wm, ARegion *ar)
{
wmKeyMap *keymap;
UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_CUSTOM, ar->winx, ar->winy);
/* own keymap */
keymap= WM_keymap_find(wm->defaultconf, "GraphEdit Keys", SPACE_IPO, 0);
WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
keymap= WM_keymap_find(wm->defaultconf, "GraphEdit Generic", SPACE_IPO, 0);
WM_event_add_keymap_handler(&ar->handlers, keymap);
}
static void graph_main_area_draw(const bContext *C, ARegion *ar)
{
/* draw entirely, view changes should be handled here */
SpaceIpo *sipo= CTX_wm_space_graph(C);
bAnimContext ac;
View2D *v2d= &ar->v2d;
View2DGrid *grid;
View2DScrollers *scrollers;
float col[3];
short unitx=0, unity=V2D_UNIT_VALUES, flag=0;
/* 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);
/* grid */
unitx= (sipo->flag & SIPO_DRAWTIME)? V2D_UNIT_SECONDS : V2D_UNIT_FRAMESCALE;
grid= UI_view2d_grid_calc(C, v2d, unitx, V2D_GRID_NOCLAMP, unity, V2D_GRID_NOCLAMP, ar->winx, ar->winy);
UI_view2d_grid_draw(C, v2d, grid, V2D_GRIDLINES_ALL);
/* draw data */
if (ANIM_animdata_get_context(C, &ac)) {
/* draw ghost curves */
graph_draw_ghost_curves(&ac, sipo, ar, grid);
/* draw curves twice - unselected, then selected, so that the are fewer occlusion problems */
graph_draw_curves(&ac, sipo, ar, grid, 0);
graph_draw_curves(&ac, sipo, ar, grid, 1);
/* XXX the slow way to set tot rect... but for nice sliders needed (ton) */
get_graph_keyframe_extents(&ac, &v2d->tot.xmin, &v2d->tot.xmax, &v2d->tot.ymin, &v2d->tot.ymax);
/* extra offset so that these items are visible */
v2d->tot.xmin -= 10.0f;
v2d->tot.xmax += 10.0f;
}
/* only free grid after drawing data, as we need to use it to determine sampling rate */
UI_view2d_grid_free(grid);
/* horizontal component of value-cursor (value line before the current frame line) */
if ((sipo->flag & SIPO_NODRAWCURSOR)==0) {
float vec[2];
/* Draw a green line to indicate the cursor value */
vec[1]= sipo->cursorVal;
UI_ThemeColorShadeAlpha(TH_CFRAME, -10, -50);
glLineWidth(2.0);
glEnable(GL_BLEND);
glBegin(GL_LINE_STRIP);
vec[0]= v2d->cur.xmin;
glVertex2fv(vec);
vec[0]= v2d->cur.xmax;
glVertex2fv(vec);
glEnd(); // GL_LINE_STRIP
glDisable(GL_BLEND);
}
/* current frame */
if (sipo->flag & SIPO_DRAWTIME) flag |= DRAWCFRA_UNIT_SECONDS;
if ((sipo->flag & SIPO_NODRAWCFRANUM)==0) flag |= DRAWCFRA_SHOW_NUMBOX;
ANIM_draw_cfra(C, v2d, flag);
/* markers */
UI_view2d_view_orthoSpecial(C, v2d, 1);
draw_markers_time(C, 0);
/* preview range */
UI_view2d_view_ortho(C, v2d);
ANIM_draw_previewrange(C, v2d);
/* reset view matrix */
UI_view2d_view_restore(C);
/* scrollers */
// FIXME: args for scrollers depend on the type of data being shown...
scrollers= UI_view2d_scrollers_calc(C, v2d, unitx, V2D_GRID_NOCLAMP, unity, V2D_GRID_NOCLAMP);
UI_view2d_scrollers_draw(C, v2d, scrollers);
UI_view2d_scrollers_free(scrollers);
}
static void graph_channel_area_init(wmWindowManager *wm, ARegion *ar)
{
wmKeyMap *keymap;
UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_LIST, ar->winx, ar->winy);
/* own keymap */
keymap= WM_keymap_find(wm->defaultconf, "Animation_Channels", 0, 0);
WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
keymap= WM_keymap_find(wm->defaultconf, "GraphEdit Generic", SPACE_IPO, 0);
WM_event_add_keymap_handler(&ar->handlers, keymap);
}
static void graph_channel_area_draw(const bContext *C, ARegion *ar)
{
SpaceIpo *sipo= CTX_wm_space_graph(C);
bAnimContext ac;
View2D *v2d= &ar->v2d;
View2DScrollers *scrollers;
float col[3];
/* 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);
/* draw channels */
if (ANIM_animdata_get_context(C, &ac)) {
graph_draw_channel_names((bContext*)C, &ac, sipo, ar);
}
/* reset view matrix */
UI_view2d_view_restore(C);
/* scrollers */
scrollers= UI_view2d_scrollers_calc(C, v2d, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
UI_view2d_scrollers_draw(C, v2d, scrollers);
UI_view2d_scrollers_free(scrollers);
}
/* add handlers, stuff you only do once or on area/region changes */
static void graph_header_area_init(wmWindowManager *wm, ARegion *ar)
{
ED_region_header_init(ar);
}
static void graph_header_area_draw(const bContext *C, ARegion *ar)
{
ED_region_header(C, ar);
}
/* add handlers, stuff you only do once or on area/region changes */
static void graph_buttons_area_init(wmWindowManager *wm, ARegion *ar)
{
wmKeyMap *keymap;
ED_region_panels_init(wm, ar);
keymap= WM_keymap_find(wm->defaultconf, "GraphEdit Generic", SPACE_IPO, 0);
WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
}
static void graph_buttons_area_draw(const bContext *C, ARegion *ar)
{
ED_region_panels(C, ar, 1, NULL, -1);
}
static void graph_region_listener(ARegion *ar, wmNotifier *wmn)
{
/* context changes */
switch(wmn->category) {
case NC_ANIMATION:
ED_region_tag_redraw(ar);
break;
case NC_SCENE:
switch(wmn->data) {
case ND_RENDER_OPTIONS:
case ND_OB_ACTIVE:
case ND_FRAME:
case ND_MARKERS:
case ND_SEQUENCER_SELECT:
ED_region_tag_redraw(ar);
break;
}
break;
case NC_OBJECT:
switch(wmn->data) {
case ND_BONE_ACTIVE:
case ND_BONE_SELECT:
case ND_KEYS:
ED_region_tag_redraw(ar);
break;
case ND_MODIFIER:
if(wmn->action == NA_RENAME)
ED_region_tag_redraw(ar);
break;
}
break;
case NC_NODE:
switch(wmn->data) {
case ND_NODE_SELECT:
ED_region_tag_redraw(ar);
break;
}
switch(wmn->action) {
case NA_EDITED:
ED_region_tag_redraw(ar);
break;
}
break;
case NC_ID:
if(wmn->action == NA_RENAME)
ED_region_tag_redraw(ar);
break;
default:
if(wmn->data==ND_KEYS)
ED_region_tag_redraw(ar);
}
}
/* editor level listener */
static void graph_listener(ScrArea *sa, wmNotifier *wmn)
{
/* context changes */
switch (wmn->category) {
case NC_ANIMATION:
ED_area_tag_refresh(sa);
break;
case NC_SCENE:
/*switch (wmn->data) {
case ND_OB_ACTIVE:
case ND_OB_SELECT:
ED_area_tag_refresh(sa);
break;
}*/
ED_area_tag_refresh(sa);
break;
case NC_OBJECT:
/*switch (wmn->data) {
case ND_BONE_SELECT:
case ND_BONE_ACTIVE:
ED_area_tag_refresh(sa);
break;
}*/
ED_area_tag_refresh(sa);
break;
case NC_SPACE:
if(wmn->data == ND_SPACE_GRAPH)
ED_area_tag_redraw(sa);
break;
default:
if(wmn->data==ND_KEYS)
ED_area_tag_refresh(sa);
}
}
static void graph_refresh(const bContext *C, ScrArea *sa)
{
SpaceIpo *sipo = (SpaceIpo *)sa->spacedata.first;
bAnimContext ac;
/* updates to data needed depends on Graph Editor mode... */
switch (sipo->mode) {
case SIPO_MODE_ANIMATION: /* all animation */
{
}
break;
case SIPO_MODE_DRIVERS: /* drivers only */
{
}
break;
}
/* region updates? */
// XXX resizing y-extents of tot should go here?
/* init/adjust F-Curve colors */
if (ANIM_animdata_get_context(C, &ac)) {
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
int items, i;
/* build list of F-Curves which will be visible as channels in channel-region
* - we don't include ANIMFILTER_CURVEVISIBLE filter, as that will result in a
* mismatch between channel-colors and the drawn curves
*/
filter= (ANIMFILTER_VISIBLE|ANIMFILTER_CURVESONLY);
items= ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* loop over F-Curves, assigning colors */
for (ale=anim_data.first, i=0; ale; ale= ale->next, i++) {
FCurve *fcu= (FCurve *)ale->data;
/* set color of curve here */
switch (fcu->color_mode) {
case FCURVE_COLOR_CUSTOM:
/* User has defined a custom color for this curve already (we assume it's not going to cause clashes with text colors),
* which should be left alone... Nothing needs to be done here.
*/
break;
case FCURVE_COLOR_AUTO_RGB:
{
/* F-Curve's array index is automatically mapped to RGB values. This works best of 3-value vectors.
* TODO: find a way to module the hue so that not all curves have same color...
*/
/* standard table of colors to use */
const float _colorsets[4][3]=
{
{1.0f, 0.0f, 0.0f}, /* red */
{0.0f, 1.0f, 0.0f}, /* green */
{0.0f, 0.0f, 1.0f}, /* blue */
{0.3f, 0.8f, 1.0f}, /* 'unknown' color - bluish so as to not conflict with handles */
};
/* simply copy the relevant color over to the F-Curve */
if ((fcu->array_index >= 0) && (fcu->array_index < 3)) {
/* if the index is within safe bounds, use index to access table */
VECCOPY(fcu->color, _colorsets[fcu->array_index]);
}
else {
/* use the 'unknown' color... */
VECCOPY(fcu->color, _colorsets[3]);
}
}
break;
case FCURVE_COLOR_AUTO_RAINBOW:
default:
{
/* determine color 'automatically' using 'magic function' which uses the given args
* of current item index + total items to determine some RGB color
*/
ipo_rainbow(i, items, fcu->color);
}
break;
}
}
/* free temp list */
BLI_freelistN(&anim_data);
}
}
/* only called once, from space/spacetypes.c */
void ED_spacetype_ipo(void)
{
SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype ipo");
ARegionType *art;
st->spaceid= SPACE_IPO;
strncpy(st->name, "Graph", BKE_ST_MAXNAME);
st->new= graph_new;
st->free= graph_free;
st->init= graph_init;
st->duplicate= graph_duplicate;
st->operatortypes= graphedit_operatortypes;
st->keymap= graphedit_keymap;
st->listener= graph_listener;
st->refresh= graph_refresh;
/* regions: main window */
art= MEM_callocN(sizeof(ARegionType), "spacetype graphedit region");
art->regionid = RGN_TYPE_WINDOW;
art->init= graph_main_area_init;
art->draw= graph_main_area_draw;
art->listener= graph_region_listener;
art->keymapflag= ED_KEYMAP_VIEW2D/*|ED_KEYMAP_MARKERS*/|ED_KEYMAP_ANIMATION|ED_KEYMAP_FRAMES;
BLI_addhead(&st->regiontypes, art);
/* regions: header */
art= MEM_callocN(sizeof(ARegionType), "spacetype graphedit region");
art->regionid = RGN_TYPE_HEADER;
art->minsizey= HEADERY;
art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES|ED_KEYMAP_HEADER;
art->listener= graph_region_listener;
art->init= graph_header_area_init;
art->draw= graph_header_area_draw;
BLI_addhead(&st->regiontypes, art);
/* regions: channels */
art= MEM_callocN(sizeof(ARegionType), "spacetype graphedit region");
art->regionid = RGN_TYPE_CHANNELS;
art->minsizex= 200+V2D_SCROLL_WIDTH; /* 200 is the 'standard', but due to scrollers, we want a bit more to fit the lock icons in */
art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES;
art->listener= graph_region_listener;
art->init= graph_channel_area_init;
art->draw= graph_channel_area_draw;
BLI_addhead(&st->regiontypes, art);
/* regions: UI buttons */
art= MEM_callocN(sizeof(ARegionType), "spacetype graphedit region");
art->regionid = RGN_TYPE_UI;
art->minsizex= 200;
art->keymapflag= ED_KEYMAP_UI;
art->listener= graph_region_listener;
art->init= graph_buttons_area_init;
art->draw= graph_buttons_area_draw;
BLI_addhead(&st->regiontypes, art);
graph_buttons_register(art);
BKE_spacetype_register(st);
}
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