object_select.c

Go to the documentation of this file.

/*
 * ***** 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) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * Contributor(s): Blender Foundation, 2002-2008 full recode
 *
 * ***** END GPL LICENSE BLOCK *****
 */

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

#include "MEM_guardedalloc.h"

#include "DNA_anim_types.h"
#include "DNA_group_types.h"
#include "DNA_material_types.h"
#include "DNA_modifier_types.h"
#include "DNA_property_types.h"
#include "DNA_scene_types.h"
#include "DNA_armature_types.h"

#include "BLI_math.h"
#include "BLI_listbase.h"
#include "BLI_rand.h"
#include "BLI_string.h"
#include "BLI_utildefines.h"

#include "BKE_context.h"
#include "BKE_group.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "BKE_particle.h"
#include "BKE_property.h"
#include "BKE_report.h"
#include "BKE_scene.h"
#include "BKE_library.h"
#include "BKE_deform.h"

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

#include "ED_object.h"
#include "ED_screen.h"
#include "ED_keyframing.h"

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

#include "RNA_access.h"
#include "RNA_define.h"
#include "RNA_enum_types.h"

#include "object_intern.h"

/************************ Exported **************************/

/* simple API for object selection, rather than just using the flag
 * this takes into account the 'restrict selection in 3d view' flag.
 * deselect works always, the restriction just prevents selection */

/* Note: send a NC_SCENE|ND_OB_SELECT notifier yourself! (or 
 * or a NC_SCENE|ND_OB_VISIBLE in case of visibility toggling */

void ED_base_object_select(Base *base, short mode)
{
    if (base) {
        if (mode==BA_SELECT) {
            if (!(base->object->restrictflag & OB_RESTRICT_SELECT))
                base->flag |= SELECT;
        }
        else if (mode==BA_DESELECT) {
            base->flag &= ~SELECT;
        }
        base->object->flag= base->flag;
    }
}

/* also to set active NULL */
void ED_base_object_activate(bContext *C, Base *base)
{
    Scene *scene= CTX_data_scene(C);
    
    /* sets scene->basact */
    BASACT= base;
    
    if(base) {
        
        /* XXX old signals, remember to handle notifiers now! */
        //      select_actionchannel_by_name(base->object->action, "Object", 1);
        
        WM_event_add_notifier(C, NC_SCENE|ND_OB_ACTIVE, scene);
    }
    else
        WM_event_add_notifier(C, NC_SCENE|ND_OB_ACTIVE, NULL);
}

/********************** Selection Operators **********************/

static int objects_selectable_poll(bContext *C)
{
    /* we don't check for linked scenes here, selection is
       still allowed then for inspection of scene */
    Object *obact= CTX_data_active_object(C);

    if(CTX_data_edit_object(C))
        return 0;
    if(obact && obact->mode)
        return 0;
    
    return 1;
}

/************************ Select by Type *************************/

static int object_select_by_type_exec(bContext *C, wmOperator *op)
{
    short obtype, extend;
    
    obtype = RNA_enum_get(op->ptr, "type");
    extend= RNA_boolean_get(op->ptr, "extend");
        
    if (extend == 0) {
        CTX_DATA_BEGIN(C, Base*, base, visible_bases) {
            ED_base_object_select(base, BA_DESELECT);
        }
        CTX_DATA_END;
    }
    
    CTX_DATA_BEGIN(C, Base*, base, visible_bases) {
        if(base->object->type==obtype) {
            ED_base_object_select(base, BA_SELECT);
        }
    }
    CTX_DATA_END;
    
    WM_event_add_notifier(C, NC_SCENE|ND_OB_SELECT, CTX_data_scene(C));
    
    return OPERATOR_FINISHED;
}

void OBJECT_OT_select_by_type(wmOperatorType *ot)
{
    /* identifiers */
    ot->name= "Select By Type";
    ot->description = "Select all visible objects that are of a type";
    ot->idname= "OBJECT_OT_select_by_type";
    
    /* api callbacks */
    ot->invoke= WM_menu_invoke;
    ot->exec= object_select_by_type_exec;
    ot->poll= objects_selectable_poll;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
    
    /* properties */
    RNA_def_boolean(ot->srna, "extend", FALSE, "Extend", "Extend selection instead of deselecting everything first");
    ot->prop= RNA_def_enum(ot->srna, "type", object_type_items, 1, "Type", "");
}

/*********************** Selection by Links *********************/

static EnumPropertyItem prop_select_linked_types[] = {
    //{1, "IPO", 0, "Object IPO", ""}, // XXX depreceated animation system stuff...
    {2, "OBDATA", 0, "Object Data", ""},
    {3, "MATERIAL", 0, "Material", ""},
    {4, "TEXTURE", 0, "Texture", ""},
    {5, "DUPGROUP", 0, "Dupligroup", ""},
    {6, "PARTICLE", 0, "Particle System", ""},
    {7, "LIBRARY", 0, "Library", ""},
    {8, "LIBRARY_OBDATA", 0, "Library (Object Data)", ""},
    {0, NULL, 0, NULL, NULL}
};

static int object_select_linked_exec(bContext *C, wmOperator *op)
{
    Scene *scene= CTX_data_scene(C);
    Object *ob;
    void *obdata = NULL;
    Material *mat = NULL, *mat1;
    Tex *tex= NULL;
    int a, b;
    int nr = RNA_enum_get(op->ptr, "type");
    short changed = 0, extend;
    /* events (nr):
     * Object Ipo: 1
     * ObData: 2
     * Current Material: 3
     * Current Texture: 4
     * DupliGroup: 5
     * PSys: 6
     */

    extend= RNA_boolean_get(op->ptr, "extend");
    
    if (extend == 0) {
        CTX_DATA_BEGIN(C, Base*, base, visible_bases) {
            ED_base_object_select(base, BA_DESELECT);
        }
        CTX_DATA_END;
    }
    
    ob= OBACT;
    if(ob==NULL){ 
        BKE_report(op->reports, RPT_ERROR, "No Active Object");
        return OPERATOR_CANCELLED;
    }
    
    if(nr==1) { 
            // XXX old animation system
        //ipo= ob->ipo;
        //if(ipo==0) return OPERATOR_CANCELLED;
        return OPERATOR_CANCELLED;
    }
    else if(nr==2) {
        if(ob->data==NULL) return OPERATOR_CANCELLED;
        obdata= ob->data;
    }
    else if(nr==3 || nr==4) {
        mat= give_current_material(ob, ob->actcol);
        if(mat==NULL) return OPERATOR_CANCELLED;
        if(nr==4) {
            if(mat->mtex[ (int)mat->texact ]) tex= mat->mtex[ (int)mat->texact ]->tex;
            if(tex==NULL) return OPERATOR_CANCELLED;
        }
    }
    else if(nr==5) {
        if(ob->dup_group==NULL) return OPERATOR_CANCELLED;
    }
    else if(nr==6) {
        if(ob->particlesystem.first==NULL) return OPERATOR_CANCELLED;
    }
    else if(nr==7) {
        /* do nothing */
    }
    else if(nr==8) {
        if(ob->data==NULL) return OPERATOR_CANCELLED;
    }
    else
        return OPERATOR_CANCELLED;
    
    CTX_DATA_BEGIN(C, Base*, base, visible_bases) {
        if(nr==1) {
                // XXX old animation system
            //if(base->object->ipo==ipo) base->flag |= SELECT;
            //changed = 1;
        }
        else if(nr==2) {
            if(base->object->data==obdata) base->flag |= SELECT;
            changed = 1;
        }
        else if(nr==3 || nr==4) {
            ob= base->object;
            
            for(a=1; a<=ob->totcol; a++) {
                mat1= give_current_material(ob, a);
                if(nr==3) {
                    if(mat1==mat) base->flag |= SELECT;
                    changed = 1;
                }
                else if(mat1 && nr==4) {
                    for(b=0; b<MAX_MTEX; b++) {
                        if(mat1->mtex[b]) {
                            if(tex==mat1->mtex[b]->tex) {
                                base->flag |= SELECT;
                                changed = 1;
                                break;
                            }
                        }
                    }
                }
            }
        }
        else if(nr==5) {
            if(base->object->dup_group==ob->dup_group) {
                base->flag |= SELECT;
                changed = 1;
            }
        }
        else if(nr==6) {
            /* loop through other, then actives particles*/
            ParticleSystem *psys;
            ParticleSystem *psys_act;
            
            for(psys=base->object->particlesystem.first; psys; psys=psys->next) {
                for(psys_act=ob->particlesystem.first; psys_act; psys_act=psys_act->next) {
                    if (psys->part == psys_act->part) {
                        base->flag |= SELECT;
                        changed = 1;
                        break;
                    }
                }
                
                if (base->flag & SELECT) {
                    break;
                }
            }
        }
        else if(nr==7) {
            if(ob->id.lib == base->object->id.lib) {
                base->flag |= SELECT;
                changed= 1;
            }
        }
        else if(nr==8) {
            if(base->object->data && ((ID *)ob->data)->lib == ((ID *)base->object->data)->lib) {
                base->flag |= SELECT;
                changed= 1;
            }
        }
        base->object->flag= base->flag;
    }
    CTX_DATA_END;
    
    if (changed) {
        WM_event_add_notifier(C, NC_SCENE|ND_OB_SELECT, CTX_data_scene(C));
        return OPERATOR_FINISHED;
    }
    
    return OPERATOR_CANCELLED;
}

void OBJECT_OT_select_linked(wmOperatorType *ot)
{
    /* identifiers */
    ot->name= "Select Linked";
    ot->description = "Select all visible objects that are linked";
    ot->idname= "OBJECT_OT_select_linked";
    
    /* api callbacks */
    ot->invoke= WM_menu_invoke;
    ot->exec= object_select_linked_exec;
    ot->poll= objects_selectable_poll;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
    
    /* properties */
    RNA_def_boolean(ot->srna, "extend", FALSE, "Extend", "Extend selection instead of deselecting everything first");
    ot->prop= RNA_def_enum(ot->srna, "type", prop_select_linked_types, 0, "Type", "");
}

/*********************** Selected Grouped ********************/

static EnumPropertyItem prop_select_grouped_types[] = {
    {1, "CHILDREN_RECURSIVE", 0, "Children", ""},
    {2, "CHILDREN", 0, "Immediate Children", ""},
    {3, "PARENT", 0, "Parent", ""},
    {4, "SIBLINGS", 0, "Siblings", "Shared Parent"},
    {5, "TYPE", 0, "Type", "Shared object type"},
    {6, "LAYER", 0, "Layer", "Shared layers"},
    {7, "GROUP", 0, "Group", "Shared group"},
    {8, "HOOK", 0, "Hook", ""},
    {9, "PASS", 0, "Pass", "Render pass Index"},
    {10, "COLOR", 0, "Color", "Object Color"},
    {11, "PROPERTIES", 0, "Properties", "Game Properties"},
    {12, "KEYINGSET", 0, "Keying Set", "Objects included in active Keying Set"},
    {0, NULL, 0, NULL, NULL}
};

static short select_grouped_children(bContext *C, Object *ob, int recursive)
{
    short changed = 0;

    CTX_DATA_BEGIN(C, Base*, base, selectable_bases) {
        if (ob == base->object->parent) {
            if (!(base->flag & SELECT)) {
                ED_base_object_select(base, BA_SELECT);
                changed = 1;
            }

            if (recursive)
                changed |= select_grouped_children(C, base->object, 1);
        }
    }
    CTX_DATA_END;
    return changed;
}

static short select_grouped_parent(bContext *C) /* Makes parent active and de-selected OBACT */
{
    Scene *scene= CTX_data_scene(C);
    View3D *v3d= CTX_wm_view3d(C);

    short changed = 0;
    Base *baspar, *basact= CTX_data_active_base(C);

    if (!basact || !(basact->object->parent)) return 0; /* we know OBACT is valid */

    baspar= object_in_scene(basact->object->parent, scene);

    /* can be NULL if parent in other scene */
    if(baspar && BASE_SELECTABLE(v3d, baspar)) {
        ED_base_object_select(basact, BA_DESELECT);
        ED_base_object_select(baspar, BA_SELECT);
        ED_base_object_activate(C, baspar);
        changed = 1;
    }
    return changed;
}


#define GROUP_MENU_MAX  24
static short select_grouped_group(bContext *C, Object *ob)  /* Select objects in the same group as the active */
{
    short changed = 0;
    Group *group, *ob_groups[GROUP_MENU_MAX];
    int group_count=0, i;
    uiPopupMenu *pup;
    uiLayout *layout;

    for (group=CTX_data_main(C)->group.first; group && group_count < GROUP_MENU_MAX; group=group->id.next) {
        if (object_in_group (ob, group)) {
            ob_groups[group_count] = group;
            group_count++;
        }
    }

    if (!group_count)
        return 0;
    else if (group_count == 1) {
        group = ob_groups[0];
        CTX_DATA_BEGIN(C, Base*, base, visible_bases) {
            if (!(base->flag & SELECT) && object_in_group(base->object, group)) {
                ED_base_object_select(base, BA_SELECT);
                changed = 1;
            }
        }
        CTX_DATA_END;
        return changed;
    }

    /* build the menu. */
    pup= uiPupMenuBegin(C, "Select Group", ICON_NONE);
    layout= uiPupMenuLayout(pup);

    for (i=0; i<group_count; i++) {
        group = ob_groups[i];
        uiItemStringO(layout, group->id.name+2, 0, "OBJECT_OT_select_same_group", "group", group->id.name);
    }

    uiPupMenuEnd(C, pup);
    return changed; // The operator already handle this!
}

static short select_grouped_object_hooks(bContext *C, Object *ob)
{
    Scene *scene= CTX_data_scene(C);
    View3D *v3d= CTX_wm_view3d(C);

    short changed = 0;
    Base *base;
    ModifierData *md;
    HookModifierData *hmd;

    for (md = ob->modifiers.first; md; md=md->next) {
        if (md->type==eModifierType_Hook) {
            hmd= (HookModifierData*) md;
            if (hmd->object && !(hmd->object->flag & SELECT)) {
                base= object_in_scene(hmd->object, scene);
                if (base && (BASE_SELECTABLE(v3d, base))) {
                    ED_base_object_select(base, BA_SELECT);
                    changed = 1;
                }
            }
        }
    }
    return changed;
}

/* Select objects woth the same parent as the active (siblings),
 * parent can be NULL also */
static short select_grouped_siblings(bContext *C, Object *ob)
{
    short changed = 0;

    CTX_DATA_BEGIN(C, Base*, base, selectable_bases) {
        if ((base->object->parent==ob->parent)  && !(base->flag & SELECT)) {
            ED_base_object_select(base, BA_SELECT);
            changed = 1;
        }
    }
    CTX_DATA_END;
    return changed;
}

static short select_grouped_type(bContext *C, Object *ob)
{
    short changed = 0;

    CTX_DATA_BEGIN(C, Base*, base, selectable_bases) {
        if ((base->object->type == ob->type) && !(base->flag & SELECT)) {
            ED_base_object_select(base, BA_SELECT);
            changed = 1;
        }
    }
    CTX_DATA_END;
    return changed;
}

static short select_grouped_layer(bContext *C, Object *ob)
{
    char changed = 0;

    CTX_DATA_BEGIN(C, Base*, base, selectable_bases) {
        if ((base->lay & ob->lay) && !(base->flag & SELECT)) {
            ED_base_object_select(base, BA_SELECT);
            changed = 1;
        }
    }
    CTX_DATA_END;
    return changed;
}

static short select_grouped_index_object(bContext *C, Object *ob)
{
    char changed = 0;

    CTX_DATA_BEGIN(C, Base*, base, selectable_bases) {
        if ((base->object->index == ob->index) && !(base->flag & SELECT)) {
            ED_base_object_select(base, BA_SELECT);
            changed = 1;
        }
    }
    CTX_DATA_END;
    return changed;
}

static short select_grouped_color(bContext *C, Object *ob)
{
    char changed = 0;

    CTX_DATA_BEGIN(C, Base*, base, selectable_bases) {
        if (!(base->flag & SELECT) && (compare_v3v3(base->object->col, ob->col, 0.005f))) {
            ED_base_object_select(base, BA_SELECT);
            changed = 1;
        }
    }
    CTX_DATA_END;
    return changed;
}

static short objects_share_gameprop(Object *a, Object *b)
{
    bProperty *prop;
    /*make a copy of all its properties*/

    for( prop= a->prop.first; prop; prop = prop->next ) {
        if ( get_ob_property(b, prop->name) )
            return 1;
    }
    return 0;
}

static short select_grouped_gameprops(bContext *C, Object *ob)
{
    char changed = 0;

    CTX_DATA_BEGIN(C, Base*, base, selectable_bases) {
        if (!(base->flag & SELECT) && (objects_share_gameprop(base->object, ob))) {
            ED_base_object_select(base, BA_SELECT);
            changed = 1;
        }
    }
    CTX_DATA_END;
    return changed;
}

static short select_grouped_keyingset(bContext *C, Object *UNUSED(ob))
{
    KeyingSet *ks = ANIM_scene_get_active_keyingset(CTX_data_scene(C));
    short changed = 0;
    
    /* firstly, validate KeyingSet */
    if ((ks == NULL) || (ANIM_validate_keyingset(C, NULL, ks) != 0))
        return 0;
    
    /* select each object that Keying Set refers to */
    // TODO: perhaps to be more in line with the rest of these, we should only take objects 
    // if the passed in object is included in this too
    CTX_DATA_BEGIN(C, Base*, base, selectable_bases) 
    {
        /* only check for this object if it isn't selected already, to limit time wasted */
        if ((base->flag & SELECT) == 0) {
            KS_Path *ksp;
            
            /* this is the slow way... we could end up with > 500 items here, 
             * with none matching, but end up doing this on 1000 objects...
             */
            for (ksp = ks->paths.first; ksp; ksp = ksp->next) {
                /* if id matches, select then stop looping (match found) */
                if (ksp->id == (ID *)base->object) {
                    ED_base_object_select(base, BA_SELECT);
                    changed = 1;
                    break;
                }
            }
        }
    }
    CTX_DATA_END;
        
    return changed;
}

static int object_select_grouped_exec(bContext *C, wmOperator *op)
{
    Scene *scene= CTX_data_scene(C);
    Object *ob;
    int nr = RNA_enum_get(op->ptr, "type");
    short changed = 0, extend;

    extend= RNA_boolean_get(op->ptr, "extend");
    
    if (extend == 0) {
        CTX_DATA_BEGIN(C, Base*, base, visible_bases) {
            ED_base_object_select(base, BA_DESELECT);
            changed = 1;
        }
        CTX_DATA_END;
    }
    
    ob= OBACT;
    if(ob==NULL) { 
        BKE_report(op->reports, RPT_ERROR, "No Active Object");
        return OPERATOR_CANCELLED;
    }
    
    if(nr==1)       changed |= select_grouped_children(C, ob, 1);
    else if(nr==2)  changed |= select_grouped_children(C, ob, 0);
    else if(nr==3)  changed |= select_grouped_parent(C);
    else if(nr==4)  changed |= select_grouped_siblings(C, ob);
    else if(nr==5)  changed |= select_grouped_type(C, ob);
    else if(nr==6)  changed |= select_grouped_layer(C, ob);
    else if(nr==7)  changed |= select_grouped_group(C, ob);
    else if(nr==8)  changed |= select_grouped_object_hooks(C, ob);
    else if(nr==9)  changed |= select_grouped_index_object(C, ob);
    else if(nr==10) changed |= select_grouped_color(C, ob);
    else if(nr==11) changed |= select_grouped_gameprops(C, ob);
    else if(nr==12) changed |= select_grouped_keyingset(C, ob);
    
    if (changed) {
        WM_event_add_notifier(C, NC_SCENE|ND_OB_SELECT, CTX_data_scene(C));
        return OPERATOR_FINISHED;
    }
    
    return OPERATOR_CANCELLED;
}

void OBJECT_OT_select_grouped(wmOperatorType *ot)
{
    /* identifiers */
    ot->name= "Select Grouped";
    ot->description = "Select all visible objects grouped by various properties";
    ot->idname= "OBJECT_OT_select_grouped";
    
    /* api callbacks */
    ot->invoke= WM_menu_invoke;
    ot->exec= object_select_grouped_exec;
    ot->poll= objects_selectable_poll;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
    
    /* properties */
    RNA_def_boolean(ot->srna, "extend", FALSE, "Extend", "Extend selection instead of deselecting everything first");
    ot->prop= RNA_def_enum(ot->srna, "type", prop_select_grouped_types, 0, "Type", "");
}

/************************* Select by Layer **********************/

static int object_select_by_layer_exec(bContext *C, wmOperator *op)
{
    unsigned int layernum;
    short extend;
    
    extend= RNA_boolean_get(op->ptr, "extend");
    layernum = RNA_int_get(op->ptr, "layers");
    
    if (extend == 0) {
        CTX_DATA_BEGIN(C, Base*, base, visible_bases) {
            ED_base_object_select(base, BA_DESELECT);
        }
        CTX_DATA_END;
    }
        
    CTX_DATA_BEGIN(C, Base*, base, visible_bases) {
        if(base->lay == (1<< (layernum -1)))
            ED_base_object_select(base, BA_SELECT);
    }
    CTX_DATA_END;
    
    /* undo? */
    WM_event_add_notifier(C, NC_SCENE|ND_OB_SELECT, CTX_data_scene(C));
    
    return OPERATOR_FINISHED;
}

void OBJECT_OT_select_by_layer(wmOperatorType *ot)
{
    /* identifiers */
    ot->name= "Select by Layer";
    ot->description = "Select all visible objects on a layer";
    ot->idname= "OBJECT_OT_select_by_layer";
    
    /* api callbacks */
    /*ot->invoke = XXX - need a int grid popup*/
    ot->exec= object_select_by_layer_exec;
    ot->poll= objects_selectable_poll;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
    
    /* properties */
    RNA_def_boolean(ot->srna, "extend", FALSE, "Extend", "Extend selection instead of deselecting everything first");
    RNA_def_int(ot->srna, "layers", 1, 1, 20, "Layer", "", 1, 20);
}

/**************************** (De)select All ****************************/

static int object_select_all_exec(bContext *C, wmOperator *op)
{
    int action = RNA_enum_get(op->ptr, "action");
    
    /* passthrough if no objects are visible */
    if (CTX_DATA_COUNT(C, visible_bases) == 0) return OPERATOR_PASS_THROUGH;

    if (action == SEL_TOGGLE) {
        action = SEL_SELECT;
        CTX_DATA_BEGIN(C, Base*, base, visible_bases) {
            if (base->flag & SELECT) {
                action = SEL_DESELECT;
                break;
            }
        }
        CTX_DATA_END;
    }

    CTX_DATA_BEGIN(C, Base*, base, visible_bases) {
        switch (action) {
        case SEL_SELECT:
            ED_base_object_select(base, BA_SELECT);
            break;
        case SEL_DESELECT:
            ED_base_object_select(base, BA_DESELECT);
            break;
        case SEL_INVERT:
            if (base->flag & SELECT) {
                ED_base_object_select(base, BA_DESELECT);
            } else {
                ED_base_object_select(base, BA_SELECT);
            }
            break;
        }
    }
    CTX_DATA_END;
    
    WM_event_add_notifier(C, NC_SCENE|ND_OB_SELECT, CTX_data_scene(C));
    
    return OPERATOR_FINISHED;
}

void OBJECT_OT_select_all(wmOperatorType *ot)
{
    
    /* identifiers */
    ot->name= "Select or Deselect All";
    ot->description = "Change selection of all visible objects in scene";
    ot->idname= "OBJECT_OT_select_all";
    
    /* api callbacks */
    ot->exec= object_select_all_exec;
    ot->poll= objects_selectable_poll;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;

    WM_operator_properties_select_all(ot);
}

/**************************** Select In The Same Group ****************************/

static int object_select_same_group_exec(bContext *C, wmOperator *op)
{
    Group *group;
    char group_name[MAX_ID_NAME];

    /* passthrough if no objects are visible */
    if (CTX_DATA_COUNT(C, visible_bases) == 0) return OPERATOR_PASS_THROUGH;

    RNA_string_get(op->ptr, "group", group_name);

    for (group=CTX_data_main(C)->group.first;   group; group=group->id.next) {
        if (!strcmp(group->id.name, group_name))
            break;
    }

    if (!group)
        return OPERATOR_PASS_THROUGH;

    CTX_DATA_BEGIN(C, Base*, base, visible_bases) {
        if (!(base->flag & SELECT) && object_in_group(base->object, group))
            ED_base_object_select(base, BA_SELECT);
    }
    CTX_DATA_END;

    WM_event_add_notifier(C, NC_SCENE|ND_OB_SELECT, CTX_data_scene(C));
    
    return OPERATOR_FINISHED;
}

void OBJECT_OT_select_same_group(wmOperatorType *ot)
{
    
    /* identifiers */
    ot->name= "Select Same Group";
    ot->description = "Select object in the same group";
    ot->idname= "OBJECT_OT_select_same_group";
    
    /* api callbacks */
    ot->exec= object_select_same_group_exec;
    ot->poll= objects_selectable_poll;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;

    RNA_def_string(ot->srna, "group", "", MAX_ID_NAME, "Group", "Name of the group to select");
}

/**************************** Select Mirror ****************************/
static int object_select_mirror_exec(bContext *C, wmOperator *op)
{
    Scene *scene= CTX_data_scene(C);
    short extend;
    
    extend= RNA_boolean_get(op->ptr, "extend");
    
    CTX_DATA_BEGIN(C, Base*, primbase, selected_bases) {
        char tmpname[MAXBONENAME];

        flip_side_name(tmpname, primbase->object->id.name+2, TRUE);
        
        if(strcmp(tmpname, primbase->object->id.name+2)!=0) { /* names differ */
            Object *ob= (Object *)find_id("OB", tmpname);
            if(ob) {
                Base *secbase= object_in_scene(ob, scene);

                if(secbase) {
                    ED_base_object_select(secbase, BA_SELECT);
                }
            }
        }
        
        if (extend == 0) ED_base_object_select(primbase, BA_DESELECT);
        
    }
    CTX_DATA_END;
    
    /* undo? */
    WM_event_add_notifier(C, NC_SCENE|ND_OB_SELECT, CTX_data_scene(C));
    
    return OPERATOR_FINISHED;
}

void OBJECT_OT_select_mirror(wmOperatorType *ot)
{
    
    /* identifiers */
    ot->name= "Select Mirror";
    ot->description = "Select the Mirror objects of the selected object eg. L.sword -> R.sword";
    ot->idname= "OBJECT_OT_select_mirror";
    
    /* api callbacks */
    ot->exec= object_select_mirror_exec;
    ot->poll= objects_selectable_poll;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
    
    RNA_def_boolean(ot->srna, "extend", 0, "Extend", "Extend selection instead of deselecting everything first");
}


/**************************** Select Random ****************************/

static int object_select_random_exec(bContext *C, wmOperator *op)
{   
    float percent;
    short extend;
    
    extend= RNA_boolean_get(op->ptr, "extend");
    
    if (extend == 0) {
        CTX_DATA_BEGIN(C, Base*, base, visible_bases) {
            ED_base_object_select(base, BA_DESELECT);
        }
        CTX_DATA_END;
    }
    percent = RNA_float_get(op->ptr, "percent")/100.0f;
        
    CTX_DATA_BEGIN(C, Base*, base, visible_bases) {
        if (BLI_frand() < percent) {
            ED_base_object_select(base, BA_SELECT);
        }
    }
    CTX_DATA_END;
    
    WM_event_add_notifier(C, NC_SCENE|ND_OB_SELECT, CTX_data_scene(C));
    
    return OPERATOR_FINISHED;
}

void OBJECT_OT_select_random(wmOperatorType *ot)
{
    /* identifiers */
    ot->name= "Select Random";
    ot->description = "Set select on random visible objects";
    ot->idname= "OBJECT_OT_select_random";
    
    /* api callbacks */
    /*ot->invoke= object_select_random_invoke XXX - need a number popup ;*/
    ot->exec = object_select_random_exec;
    ot->poll= objects_selectable_poll;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
    
    /* properties */
    RNA_def_float_percentage(ot->srna, "percent", 50.f, 0.0f, 100.0f, "Percent", "Percentage of objects to select randomly", 0.f, 100.0f);
    RNA_def_boolean(ot->srna, "extend", FALSE, "Extend Selection", "Extend selection instead of deselecting everything first");
}