space_script.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 "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);
}