space_logic.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) 2009 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_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"

#include "logic_intern.h"

/* ******************** manage regions ********************* */

ARegion *logic_has_buttons_region(ScrArea *sa)
{
    ARegion *ar, *arnew;

    ar= BKE_area_find_region_type(sa, RGN_TYPE_UI);
    if(ar) return ar;
    
    /* add subdiv level; after header */
    ar= BKE_area_find_region_type(sa, RGN_TYPE_HEADER);

    /* is error! */
    if(ar==NULL) return NULL;
    
    arnew= MEM_callocN(sizeof(ARegion), "buttons for image");
    
    BLI_insertlinkafter(&sa->regionbase, ar, arnew);
    arnew->regiontype= RGN_TYPE_UI;
    arnew->alignment= RGN_ALIGN_LEFT;
    
    arnew->flag = RGN_FLAG_HIDDEN;
    
    return arnew;
}

/* ******************** default callbacks for image space ***************** */

static SpaceLink *logic_new(const bContext *UNUSED(C))
{
    ARegion *ar;
    SpaceLogic *slogic;
    
    slogic= MEM_callocN(sizeof(SpaceLogic), "initlogic");
    slogic->spacetype= SPACE_LOGIC;
    
    /* default options */
    slogic->scaflag =   (BUTS_SENS_SEL|BUTS_SENS_ACT|BUTS_SENS_LINK)    |
                        (BUTS_CONT_SEL|BUTS_CONT_ACT|BUTS_CONT_LINK)    |
                        (BUTS_ACT_SEL|BUTS_ACT_ACT|BUTS_ACT_LINK)       |
                        (BUTS_SENS_STATE|BUTS_ACT_STATE);
    
    
    /* header */
    ar= MEM_callocN(sizeof(ARegion), "header for logic");
    
    BLI_addtail(&slogic->regionbase, ar);
    ar->regiontype= RGN_TYPE_HEADER;
    ar->alignment= RGN_ALIGN_BOTTOM;
    
    /* buttons/list view */
    ar= MEM_callocN(sizeof(ARegion), "buttons for logic");
    
    BLI_addtail(&slogic->regionbase, ar);
    ar->regiontype= RGN_TYPE_UI;
    ar->alignment= RGN_ALIGN_LEFT;
    
    /* main area */
    ar= MEM_callocN(sizeof(ARegion), "main area for logic");
    
    BLI_addtail(&slogic->regionbase, ar);
    ar->regiontype= RGN_TYPE_WINDOW;

    ar->v2d.tot.xmin=  0.0f;
    ar->v2d.tot.ymin=  0.0f;
    ar->v2d.tot.xmax= 1280;
    ar->v2d.tot.ymax= 240.0f;
    
    ar->v2d.cur.xmin=  0.0f;
    ar->v2d.cur.ymin=  0.0f;
    ar->v2d.cur.xmax= 1280.0f;
    ar->v2d.cur.ymax= 240.0f;
    
    ar->v2d.min[0]= 1.0f;
    ar->v2d.min[1]= 1.0f;
    
    ar->v2d.max[0]= 32000.0f;
    ar->v2d.max[1]= 32000.0f;
    
    ar->v2d.minzoom= 0.5f;
    ar->v2d.maxzoom= 1.21f;
    
    ar->v2d.scroll= (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM);
    ar->v2d.keepzoom= V2D_LIMITZOOM|V2D_KEEPASPECT;
    ar->v2d.keeptot= 0;
    
    
    return (SpaceLink *)slogic;
}

/* not spacelink itself */
static void logic_free(SpaceLink *UNUSED(sl))
{   
//  Spacelogic *slogic= (SpaceLogic*) sl;
    
//  if(slogic->gpd)
// XXX      free_gpencil_data(slogic->gpd);
    
}


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

}

static SpaceLink *logic_duplicate(SpaceLink *sl)
{
    SpaceLogic *slogicn= MEM_dupallocN(sl);
        
    return (SpaceLink *)slogicn;
}

static void logic_operatortypes(void)
{
    WM_operatortype_append(LOGIC_OT_properties);
    WM_operatortype_append(LOGIC_OT_links_cut);
}

static void logic_keymap(struct wmKeyConfig *keyconf)
{
    wmKeyMap *keymap= WM_keymap_find(keyconf, "Logic Editor", SPACE_LOGIC, 0);
    
    WM_keymap_add_item(keymap, "LOGIC_OT_properties", NKEY, KM_PRESS, 0, 0);
    WM_keymap_add_item(keymap, "LOGIC_OT_links_cut", LEFTMOUSE, KM_PRESS, KM_CTRL, 0);
    WM_keymap_add_menu(keymap, "LOGIC_MT_logicbricks_add", AKEY, KM_PRESS, KM_SHIFT, 0);
}

static void logic_refresh(const bContext *UNUSED(C), ScrArea *UNUSED(sa))
{
//  SpaceLogic *slogic= CTX_wm_space_logic(C);
//  Object *obedit= CTX_data_edit_object(C);

}

static void logic_listener(ARegion *ar, wmNotifier *wmn)
{
    /* context changes */
    switch(wmn->category) {
        case NC_LOGIC:
            ED_region_tag_redraw(ar);
            break;
        case NC_SCENE:
            switch(wmn->data) {
                case ND_FRAME:
                    ED_region_tag_redraw(ar);
                    break;
                    
                case ND_OB_ACTIVE:
                    ED_region_tag_redraw(ar);
                    break;
                }
                break;
        case NC_OBJECT:
            break;
        case NC_ID:
            if(wmn->action == NA_RENAME)
                ED_region_tag_redraw(ar);
            break;
    }
}

static int logic_context(const bContext *UNUSED(C), const char *UNUSED(member), bContextDataResult *UNUSED(result))
{
//  SpaceLogic *slogic= CTX_wm_space_logic(C);
    return 0;
}

/************************** main region ***************************/


/* add handlers, stuff you only do once or on area/region changes */
static void logic_main_area_init(wmWindowManager *wm, ARegion *ar)
{
    wmKeyMap *keymap;
    
    UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_CUSTOM, ar->winx, ar->winy);

    /* own keymaps */
    keymap= WM_keymap_find(wm->defaultconf, "Logic Editor", SPACE_LOGIC, 0);
    WM_event_add_keymap_handler(&ar->handlers, keymap);
}

static void logic_main_area_draw(const bContext *C, ARegion *ar)
{
    /* draw entirely, view changes should be handled here */
//  SpaceLogic *slogic= CTX_wm_space_logic(C);
    View2D *v2d= &ar->v2d;
    View2DScrollers *scrollers;
    
    /* clear and setup matrix */
    UI_ThemeClearColor(TH_BACK);
    glClear(GL_COLOR_BUFFER_BIT);
    
    UI_view2d_view_ortho(v2d);
    
    logic_buttons((bContext *)C, ar);
    
    /* reset view matrix */
    UI_view2d_view_restore(C);
    
    /* scrollers */
    scrollers= UI_view2d_scrollers_calc(C, v2d, 10, V2D_GRID_CLAMP, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
    UI_view2d_scrollers_draw(C, v2d, scrollers);
    UI_view2d_scrollers_free(scrollers);
    
}


/* *********************** buttons region ************************ */

/* add handlers, stuff you only do once or on area/region changes */
static void logic_buttons_area_init(wmWindowManager *wm, ARegion *ar)
{
    wmKeyMap *keymap;

    ED_region_panels_init(wm, ar);
    
    keymap= WM_keymap_find(wm->defaultconf, "Logic Editor", SPACE_LOGIC, 0);
    WM_event_add_keymap_handler(&ar->handlers, keymap);
}

static void logic_buttons_area_draw(const bContext *C, ARegion *ar)
{
    ED_region_panels(C, ar, 1, NULL, -1);
}

/************************* header region **************************/

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

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

/**************************** spacetype *****************************/

/* only called once, from space/spacetypes.c */
void ED_spacetype_logic(void)
{
    SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype logic");
    ARegionType *art;
    
    st->spaceid= SPACE_LOGIC;
    strncpy(st->name, "Logic", BKE_ST_MAXNAME);
    
    st->new= logic_new;
    st->free= logic_free;
    st->init= logic_init;
    st->duplicate= logic_duplicate;
    st->operatortypes= logic_operatortypes;
    st->keymap= logic_keymap;
    st->refresh= logic_refresh;
    st->context= logic_context;
    
    /* regions: main window */
    art= MEM_callocN(sizeof(ARegionType), "spacetype logic region");
    art->regionid = RGN_TYPE_WINDOW;
    art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES|ED_KEYMAP_VIEW2D;
    art->init= logic_main_area_init;
    art->draw= logic_main_area_draw;
    art->listener= logic_listener;

    BLI_addhead(&st->regiontypes, art);
    
    /* regions: listview/buttons */
    art= MEM_callocN(sizeof(ARegionType), "spacetype logic region");
    art->regionid = RGN_TYPE_UI;
    art->prefsizex= 220; // XXX
    art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
    art->listener= logic_listener;
    art->init= logic_buttons_area_init;
    art->draw= logic_buttons_area_draw;
    BLI_addhead(&st->regiontypes, art);

    logic_buttons_register(art);

    /* regions: header */
    art= MEM_callocN(sizeof(ARegionType), "spacetype logic 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= logic_header_area_init;
    art->draw= logic_header_area_draw;
    
    BLI_addhead(&st->regiontypes, art);
    
    BKE_spacetype_register(st);
}