space_outliner.c

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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
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include <string.h>
#include <stdio.h>

#include "MEM_guardedalloc.h"

#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_rand.h"
#include "BLI_utildefines.h"

#include "BKE_context.h"
#include "BKE_screen.h"

#include "ED_space_api.h"
#include "ED_screen.h"

#include "WM_api.h"
#include "WM_types.h"

#include "BIF_gl.h"

#include "UI_resources.h"
#include "UI_view2d.h"


#include "outliner_intern.h"

static void outliner_main_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, "Outliner", SPACE_OUTLINER, 0);
    /* don't pass on view2d mask, it's always set with scrollbar space, hide fails */
    WM_event_add_keymap_handler_bb(&ar->handlers, keymap, NULL, &ar->winrct);
}

static void outliner_main_area_draw(const bContext *C, ARegion *ar)
{
    View2D *v2d= &ar->v2d;
    View2DScrollers *scrollers;
    
    /* clear */
    UI_ThemeClearColor(TH_BACK);
    glClear(GL_COLOR_BUFFER_BIT);
    
    draw_outliner(C);
    
    /* 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);
}


static void outliner_main_area_free(ARegion *UNUSED(ar))
{
    
}

static void outliner_main_area_listener(ARegion *ar, wmNotifier *wmn)
{
    /* context changes */
    switch(wmn->category) {
        case NC_SCENE:
            switch(wmn->data) {
                case ND_OB_ACTIVE:
                case ND_OB_SELECT:
                case ND_OB_VISIBLE:
                case ND_OB_RENDER:
                case ND_MODE:
                case ND_KEYINGSET:
                case ND_FRAME:
                case ND_RENDER_OPTIONS:
                case ND_LAYER:
                case ND_WORLD:
                    ED_region_tag_redraw(ar);
                    break;
            }
            break;
        case NC_OBJECT:
            switch(wmn->data) {
                case ND_TRANSFORM:
                    /* transform doesn't change outliner data */
                    break;
                case ND_BONE_ACTIVE:
                case ND_BONE_SELECT:
                case ND_DRAW:
                case ND_PARENT:
                case ND_OB_SHADING:
                    ED_region_tag_redraw(ar);
                    break;
                case ND_CONSTRAINT:
                    switch(wmn->action) {
                        case NA_ADDED:
                        case NA_REMOVED:
                        case NA_RENAME:
                            ED_region_tag_redraw(ar);
                            break;
                    }
                    break;
                case ND_MODIFIER:
                    /* all modifier actions now */
                    ED_region_tag_redraw(ar);
                    break;
            }
            break;
        case NC_GROUP:
            /* all actions now, todo: check outliner view mode? */
            ED_region_tag_redraw(ar);
            break;
        case NC_LAMP:
            /* For updating lamp icons, when changing lamp type */
            if(wmn->data == ND_LIGHTING_DRAW)
                ED_region_tag_redraw(ar);
                break;
        case NC_SPACE:
            if(wmn->data == ND_SPACE_OUTLINER)
                ED_region_tag_redraw(ar);
                break;
        case NC_ID:
            if(wmn->action == NA_RENAME)
                ED_region_tag_redraw(ar);
            break;
        case NC_MATERIAL:
            switch(wmn->data) {
                case ND_SHADING:
                case ND_SHADING_DRAW:
                    ED_region_tag_redraw(ar);
                    break;
            }
            break;
        case NC_TEXTURE:
            ED_region_tag_redraw(ar);
            break;
        case NC_GEOM:
            switch(wmn->data) {
                case ND_DATA:
                    /* needed for vertex groups only, no special notifier atm so use NC_GEOM|ND_DATA */
                    ED_region_tag_redraw(ar);
                    break;
            }
            break;
        case NC_ANIMATION:
            switch(wmn->data) {
                case ND_NLA_ACTCHANGE:
                    ED_region_tag_redraw(ar);
                    break;
                case ND_ANIMCHAN:
                    if(wmn->action==NA_SELECTED)
                        ED_region_tag_redraw(ar);
                    break;
            }
            break;
    }
    
}


/* ************************ header outliner area region *********************** */

/* add handlers, stuff you only do once or on area/region changes */
static void outliner_header_area_init(wmWindowManager *UNUSED(wm), ARegion *ar)
{
    ED_region_header_init(ar);
}

static void outliner_header_area_draw(const bContext *C, ARegion *ar)
{
    ED_region_header(C, ar);
}

static void outliner_header_area_free(ARegion *UNUSED(ar))
{
}

static void outliner_header_area_listener(ARegion *ar, wmNotifier *wmn)
{
    /* context changes */
    switch(wmn->category) {
        case NC_SCENE:
            if(wmn->data == ND_KEYINGSET)
                ED_region_tag_redraw(ar);
            break;
        case NC_SPACE:
            if(wmn->data == ND_SPACE_OUTLINER)
                ED_region_tag_redraw(ar);
            break;
    }
}

/* ******************** default callbacks for outliner space ***************** */

static SpaceLink *outliner_new(const bContext *UNUSED(C))
{
    ARegion *ar;
    SpaceOops *soutliner;

    soutliner= MEM_callocN(sizeof(SpaceOops), "initoutliner");
    soutliner->spacetype= SPACE_OUTLINER;
    
    /* header */
    ar= MEM_callocN(sizeof(ARegion), "header for outliner");
    
    BLI_addtail(&soutliner->regionbase, ar);
    ar->regiontype= RGN_TYPE_HEADER;
    ar->alignment= RGN_ALIGN_BOTTOM;
    
    /* main area */
    ar= MEM_callocN(sizeof(ARegion), "main area for outliner");
    
    BLI_addtail(&soutliner->regionbase, ar);
    ar->regiontype= RGN_TYPE_WINDOW;
    
    ar->v2d.scroll = (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM_O);
    ar->v2d.align = (V2D_ALIGN_NO_NEG_X|V2D_ALIGN_NO_POS_Y);
    ar->v2d.keepzoom = (V2D_LOCKZOOM_X|V2D_LOCKZOOM_Y|V2D_LIMITZOOM|V2D_KEEPASPECT);
    ar->v2d.keeptot= V2D_KEEPTOT_STRICT;
    ar->v2d.minzoom= ar->v2d.maxzoom= 1.0f;
    
    return (SpaceLink*)soutliner;
}

/* not spacelink itself */
static void outliner_free(SpaceLink *sl)
{
    SpaceOops *soutliner= (SpaceOops*)sl;
    
    outliner_free_tree(&soutliner->tree);
    if(soutliner->treestore) {
        if(soutliner->treestore->data) MEM_freeN(soutliner->treestore->data);
        MEM_freeN(soutliner->treestore);
    }
    
}

/* spacetype; init callback */
static void outliner_init(wmWindowManager *UNUSED(wm), ScrArea *UNUSED(sa))
{
    
}

static SpaceLink *outliner_duplicate(SpaceLink *sl)
{
    SpaceOops *soutliner= (SpaceOops *)sl;
    SpaceOops *soutlinern= MEM_dupallocN(soutliner);

    soutlinern->tree.first= soutlinern->tree.last= NULL;
    soutlinern->treestore= NULL;
    
    return (SpaceLink *)soutlinern;
}

/* only called once, from space_api/spacetypes.c */
void ED_spacetype_outliner(void)
{
    SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype time");
    ARegionType *art;
    
    st->spaceid= SPACE_OUTLINER;
    strncpy(st->name, "Outliner", BKE_ST_MAXNAME);
    
    st->new= outliner_new;
    st->free= outliner_free;
    st->init= outliner_init;
    st->duplicate= outliner_duplicate;
    st->operatortypes= outliner_operatortypes;
    st->keymap= outliner_keymap;
    
    /* regions: main window */
    art= MEM_callocN(sizeof(ARegionType), "spacetype time region");
    art->regionid = RGN_TYPE_WINDOW;
    art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D;
    
    art->init= outliner_main_area_init;
    art->draw= outliner_main_area_draw;
    art->free= outliner_main_area_free;
    art->listener= outliner_main_area_listener;
    BLI_addhead(&st->regiontypes, art);
    
    /* regions: header */
    art= MEM_callocN(sizeof(ARegionType), "spacetype time region");
    art->regionid = RGN_TYPE_HEADER;
    art->prefsizey= HEADERY;
    art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES|ED_KEYMAP_HEADER;
    
    art->init= outliner_header_area_init;
    art->draw= outliner_header_area_draw;
    art->free= outliner_header_area_free;
    art->listener= outliner_header_area_listener;
    BLI_addhead(&st->regiontypes, art);
    
    BKE_spacetype_register(st);
}