space_script.c

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/*
 * $Id: space_script.c 35242 2011-02-27 20:29:51Z jesterking $
 *
 * ***** 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 "BIF_gl.h"

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

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

#ifdef WITH_PYTHON
#include "BPY_extern.h"
#endif

#include "script_intern.h"      // own include


//static script_run_python(char *funcname, )


/* ******************** default callbacks for script space ***************** */

static SpaceLink *script_new(const bContext *UNUSED(C))
{
        ARegion *ar;
        SpaceScript *sscript;
        
        sscript= MEM_callocN(sizeof(SpaceScript), "initscript");
        sscript->spacetype= SPACE_SCRIPT;
        
        
        /* header */
        ar= MEM_callocN(sizeof(ARegion), "header for script");
        
        BLI_addtail(&sscript->regionbase, ar);
        ar->regiontype= RGN_TYPE_HEADER;
        ar->alignment= RGN_ALIGN_BOTTOM;
        
        /* main area */
        ar= MEM_callocN(sizeof(ARegion), "main area for script");
        
        BLI_addtail(&sscript->regionbase, ar);
        ar->regiontype= RGN_TYPE_WINDOW;
        
        /* channel list region XXX */

        
        return (SpaceLink *)sscript;
}

/* not spacelink itself */
static void script_free(SpaceLink *sl)
{       
        SpaceScript *sscript= (SpaceScript*) sl;

#ifdef WITH_PYTHON
        /*free buttons references*/
        if (sscript->but_refs) {
// XXX          BPy_Set_DrawButtonsList(sscript->but_refs);
//              BPy_Free_DrawButtonsList();
                sscript->but_refs = NULL;
        }
#endif
        sscript->script = NULL;
}


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

}

static SpaceLink *script_duplicate(SpaceLink *sl)
{
        SpaceScript *sscriptn= MEM_dupallocN(sl);
        
        /* clear or remove stuff from old */
        
        return (SpaceLink *)sscriptn;
}



/* add handlers, stuff you only do once or on area/region changes */
static void script_main_area_init(wmWindowManager *wm, ARegion *ar)
{
        wmKeyMap *keymap;
        
        UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_STANDARD, ar->winx, ar->winy);
        
        /* own keymap */
        keymap= WM_keymap_find(wm->defaultconf, "Script", SPACE_SCRIPT, 0);
        WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
}

static void script_main_area_draw(const bContext *C, ARegion *ar)
{
        /* draw entirely, view changes should be handled here */
        SpaceScript *sscript= (SpaceScript*)CTX_wm_space_data(C);
        View2D *v2d= &ar->v2d;

        /* clear and setup matrix */
        UI_ThemeClearColor(TH_BACK);
        glClear(GL_COLOR_BUFFER_BIT);
        
        UI_view2d_view_ortho(v2d);
                
        /* data... */
        // BPY_script_exec(C, "/root/blender-svn/blender25/test.py", NULL);
        
#ifdef WITH_PYTHON
        if (sscript->script) {
                // BPY_run_script_space_draw(C, sscript);
        }
#else
        (void)sscript;
#endif
        
        /* reset view matrix */
        UI_view2d_view_restore(C);
        
        /* scrollers? */
}

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

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

static void script_main_area_listener(ARegion *UNUSED(ar), wmNotifier *UNUSED(wmn))
{
        /* context changes */
        // XXX - Todo, need the ScriptSpace accessible to get the python script to run.
        // BPY_run_script_space_listener()
}

/* only called once, from space/spacetypes.c */
void ED_spacetype_script(void)
{
        SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype script");
        ARegionType *art;
        
        st->spaceid= SPACE_SCRIPT;
        strncpy(st->name, "Script", BKE_ST_MAXNAME);
        
        st->new= script_new;
        st->free= script_free;
        st->init= script_init;
        st->duplicate= script_duplicate;
        st->operatortypes= script_operatortypes;
        st->keymap= script_keymap;
        
        /* regions: main window */
        art= MEM_callocN(sizeof(ARegionType), "spacetype script region");
        art->regionid = RGN_TYPE_WINDOW;
        art->init= script_main_area_init;
        art->draw= script_main_area_draw;
        art->listener= script_main_area_listener;
        art->keymapflag= ED_KEYMAP_VIEW2D|   ED_KEYMAP_UI|ED_KEYMAP_FRAMES; // XXX need to further test this ED_KEYMAP_UI is needed for button interaction

        BLI_addhead(&st->regiontypes, art);
        
        /* regions: header */
        art= MEM_callocN(sizeof(ARegionType), "spacetype script region");
        art->regionid = RGN_TYPE_HEADER;
        art->prefsizey= HEADERY;
        art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_HEADER;
        
        art->init= script_header_area_init;
        art->draw= script_header_area_draw;
        
        BLI_addhead(&st->regiontypes, art);
        
        
        BKE_spacetype_register(st);
}