ed_util.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 <stdlib.h>
#include <string.h>
#include <math.h>

#include "MEM_guardedalloc.h"

#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_packedFile_types.h"

#include "BLI_blenlib.h"
#include "BLI_editVert.h"

#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "BKE_utildefines.h"
#include "BKE_packedFile.h"

#include "ED_armature.h"
#include "ED_mesh.h"
#include "ED_object.h"
#include "ED_sculpt.h"
#include "ED_util.h"

#include "UI_interface.h"
#include "UI_resources.h"

#include "WM_types.h"
#include "RNA_access.h"



/* ********* general editor util funcs, not BKE stuff please! ********* */

void ED_editors_init(bContext *C)
{
    Main *bmain= CTX_data_main(C);
    Scene *sce= CTX_data_scene(C);
    Object *ob, *obact= (sce && sce->basact)? sce->basact->object: NULL;
    ID *data;

    /* toggle on modes for objects that were saved with these enabled. for
       e.g. linked objects we have to ensure that they are actually the
       active object in this scene. */
    for(ob=bmain->object.first; ob; ob=ob->id.next) {
        int mode= ob->mode;

        if(mode && (mode != OB_MODE_POSE)) {
            ob->mode= 0;
            data= ob->data;

            if(ob == obact && !ob->id.lib && !(data && data->lib))
                ED_object_toggle_modes(C, mode);
        }
    }
}

/* frees all editmode stuff */
void ED_editors_exit(bContext *C)
{
    Main *bmain= CTX_data_main(C);
    Scene *sce;

    if(!bmain)
        return;
    
    /* frees all editmode undos */
    undo_editmode_clear();
    ED_undo_paint_free();
    
    for(sce=bmain->scene.first; sce; sce= sce->id.next) {
        if(sce->obedit) {
            Object *ob= sce->obedit;
        
            if(ob) {
                if(ob->type==OB_MESH) {
                    Mesh *me= ob->data;
                    if(me->edit_mesh) {
                        free_editMesh(me->edit_mesh);
                        MEM_freeN(me->edit_mesh);
                        me->edit_mesh= NULL;
                    }
                }
                else if(ob->type==OB_ARMATURE) {
                    ED_armature_edit_free(ob);
                }
            }
        }
    }

    /* global in meshtools... */
    mesh_octree_table(NULL, NULL, NULL, 'e');
    mesh_mirrtopo_table(NULL, 'e');
}


/* ***** XXX: functions are using old blender names, cleanup later ***** */


/* now only used in 2d spaces, like time, ipo, nla, sima... */
/* XXX shift/ctrl not configurable */
void apply_keyb_grid(int shift, int ctrl, float *val, float fac1, float fac2, float fac3, int invert)
{
    /* fac1 is for 'nothing', fac2 for CTRL, fac3 for SHIFT */
    if(invert)
        ctrl= !ctrl;
    
    if(ctrl && shift) {
        if(fac3 != 0.0f) *val= fac3*floorf(*val/fac3 +0.5f);
    }
    else if(ctrl) {
        if(fac2 != 0.0f) *val= fac2*floorf(*val/fac2 +0.5f);
    }
    else {
        if(fac1 != 0.0f) *val= fac1*floorf(*val/fac1 +0.5f);
    }
}


int GetButStringLength(const char *str) 
{
    int rt;
    
    rt= UI_GetStringWidth(str);
    
    return rt + 15;
}


void unpack_menu(bContext *C, const char *opname, const char *id_name, const char *abs_name, const char *folder, struct PackedFile *pf)
{
    PointerRNA props_ptr;
    uiPopupMenu *pup;
    uiLayout *layout;
    char line[FILE_MAX + 100];

    pup= uiPupMenuBegin(C, "Unpack file", ICON_NONE);
    layout= uiPupMenuLayout(pup);

    strcpy(line, "Remove Pack");
    props_ptr= uiItemFullO(layout, opname, line, ICON_NONE, NULL, WM_OP_EXEC_DEFAULT, UI_ITEM_O_RETURN_PROPS);
    RNA_enum_set(&props_ptr, "method", PF_REMOVE);
    RNA_string_set(&props_ptr, "id", id_name);

    if(G.relbase_valid) {
        char local_name[FILE_MAXDIR + FILE_MAX], fi[FILE_MAX];

        BLI_strncpy(local_name, abs_name, sizeof(local_name));
        BLI_splitdirstring(local_name, fi);
        BLI_snprintf(local_name, sizeof(local_name), "//%s/%s", folder, fi);
        if(strcmp(abs_name, local_name)!=0) {
            switch(checkPackedFile(local_name, pf)) {
                case PF_NOFILE:
                    BLI_snprintf(line, sizeof(line), "Create %s", local_name);
                    props_ptr= uiItemFullO(layout, opname, line, ICON_NONE, NULL, WM_OP_EXEC_DEFAULT, UI_ITEM_O_RETURN_PROPS);
                    RNA_enum_set(&props_ptr, "method", PF_WRITE_LOCAL);
                    RNA_string_set(&props_ptr, "id", id_name);

                    break;
                case PF_EQUAL:
                    BLI_snprintf(line, sizeof(line), "Use %s (identical)", local_name);
                    //uiItemEnumO(layout, opname, line, 0, "method", PF_USE_LOCAL);
                    props_ptr= uiItemFullO(layout, opname, line, ICON_NONE, NULL, WM_OP_EXEC_DEFAULT, UI_ITEM_O_RETURN_PROPS);
                    RNA_enum_set(&props_ptr, "method", PF_USE_LOCAL);
                    RNA_string_set(&props_ptr, "id", id_name);

                    break;
                case PF_DIFFERS:
                    BLI_snprintf(line, sizeof(line), "Use %s (differs)", local_name);
                    //uiItemEnumO(layout, opname, line, 0, "method", PF_USE_LOCAL);
                    props_ptr= uiItemFullO(layout, opname, line, ICON_NONE, NULL, WM_OP_EXEC_DEFAULT, UI_ITEM_O_RETURN_PROPS);
                    RNA_enum_set(&props_ptr, "method", PF_USE_LOCAL);
                    RNA_string_set(&props_ptr, "id", id_name);

                    BLI_snprintf(line, sizeof(line), "Overwrite %s", local_name);
                    //uiItemEnumO(layout, opname, line, 0, "method", PF_WRITE_LOCAL);
                    props_ptr= uiItemFullO(layout, opname, line, ICON_NONE, NULL, WM_OP_EXEC_DEFAULT, UI_ITEM_O_RETURN_PROPS);
                    RNA_enum_set(&props_ptr, "method", PF_WRITE_LOCAL);
                    RNA_string_set(&props_ptr, "id", id_name);
                    break;
            }
        }
    }

    switch(checkPackedFile(abs_name, pf)) {
        case PF_NOFILE:
            BLI_snprintf(line, sizeof(line), "Create %s", abs_name);
            //uiItemEnumO(layout, opname, line, 0, "method", PF_WRITE_ORIGINAL);
            props_ptr= uiItemFullO(layout, opname, line, ICON_NONE, NULL, WM_OP_EXEC_DEFAULT, UI_ITEM_O_RETURN_PROPS);
            RNA_enum_set(&props_ptr, "method", PF_WRITE_ORIGINAL);
            RNA_string_set(&props_ptr, "id", id_name);
            break;
        case PF_EQUAL:
            BLI_snprintf(line, sizeof(line), "Use %s (identical)", abs_name);
            //uiItemEnumO(layout, opname, line, 0, "method", PF_USE_ORIGINAL);
            props_ptr= uiItemFullO(layout, opname, line, ICON_NONE, NULL, WM_OP_EXEC_DEFAULT, UI_ITEM_O_RETURN_PROPS);
            RNA_enum_set(&props_ptr, "method", PF_USE_ORIGINAL);
            RNA_string_set(&props_ptr, "id", id_name);
            break;
        case PF_DIFFERS:
            BLI_snprintf(line, sizeof(line), "Use %s (differs)", abs_name);
            //uiItemEnumO(layout, opname, line, 0, "method", PF_USE_ORIGINAL);
            props_ptr= uiItemFullO(layout, opname, line, ICON_NONE, NULL, WM_OP_EXEC_DEFAULT, UI_ITEM_O_RETURN_PROPS);
            RNA_enum_set(&props_ptr, "method", PF_USE_ORIGINAL);
            RNA_string_set(&props_ptr, "id", id_name);

            BLI_snprintf(line, sizeof(line), "Overwrite %s", abs_name);
            //uiItemEnumO(layout, opname, line, 0, "method", PF_WRITE_ORIGINAL);
            props_ptr= uiItemFullO(layout, opname, line, ICON_NONE, NULL, WM_OP_EXEC_DEFAULT, UI_ITEM_O_RETURN_PROPS);
            RNA_enum_set(&props_ptr, "method", PF_WRITE_ORIGINAL);
            RNA_string_set(&props_ptr, "id", id_name);
            break;
    }

    uiPupMenuEnd(C, pup);
}