source/blender/editors/space_node/node_select.c

   1 /**
   2  * $Id:
   3  *
   4  * ***** BEGIN GPL LICENSE BLOCK *****
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19  *
  20  * The Original Code is Copyright (C) 2008 Blender Foundation.
  21  * All rights reserved.
  22  *
  23  *
  24  * Contributor(s): Blender Foundation, Nathan Letwory
  25  *
  26  * ***** END GPL LICENSE BLOCK *****
  27  */
  28
  29 #include <stdio.h>
  30
  31 #include "DNA_node_types.h"
  32 #include "DNA_scene_types.h"
  33 #include "DNA_screen_types.h"
  34 #include "DNA_space_types.h"
  35
  36 #include "BKE_context.h"
  37 #include "BKE_node.h"
  38 #include "BKE_global.h"
  39
  40 #include "BLI_rect.h"
  41
  42 #include "ED_space_api.h"
  43 #include "ED_screen.h"
  44 #include "ED_types.h"
  45
  46 #include "RNA_access.h"
  47 #include "RNA_define.h"
  48
  49 #include "WM_api.h"
  50 #include "WM_types.h"
  51
  52 #include "UI_view2d.h"
  53
  54 #include "node_intern.h"
  55
  56 static void node_mouse_select(SpaceNode *snode, ARegion *ar, short *mval, short extend)
  57 {
  58         bNode *node;
  59         float mx, my;
  60
  61         mx= (float)mval[0];
  62         my= (float)mval[1];
  63
  64         UI_view2d_region_to_view(&ar->v2d, mval[0], mval[1], &mx, &my);
  65
  66         for(next_node(snode->edittree); (node=next_node(NULL));) {
  67
  68                 /* first check for the headers or scaling widget */
  69                 /* XXX if(node->flag & NODE_HIDDEN) {
  70                         if(do_header_hidden_node(snode, node, mx, my))
  71                                 return 1;
  72                 }
  73                 else {
  74                         if(do_header_node(snode, node, mx, my))
  75                                 return 1;
  76                 }*/
  77
  78                 /* node body */
  79                 if(BLI_in_rctf(&node->totr, mx, my))
  80                         break;
  81         }
  82         if(node) {
  83                 if((extend & KM_SHIFT)==0)
  84                         node_deselectall(snode, 0);
  85
  86                 if(extend & KM_SHIFT) {
  87                         if(node->flag & SELECT)
  88                                 node->flag &= ~SELECT;
  89                         else
  90                                 node->flag |= SELECT;
  91                 }
  92                 else
  93                         node->flag |= SELECT;
  94
  95                 node_set_active(snode, node);
  96
  97                 /* viewer linking */
  98                 if(extend & KM_CTRL)
  99                         ;//     node_link_viewer(snode, node);
 100
 101                 //std_rmouse_transform(node_transform_ext);     /* does undo push for select */
 102                 ED_region_tag_redraw(ar);
 103         }
 104 }
 105
 106 static int node_select_exec(bContext *C, wmOperator *op)
 107 {
 108         SpaceNode *snode= (SpaceNode*)CTX_wm_space_data(C);
 109         ARegion *ar= CTX_wm_region(C);
 110         int select_type;
 111         short mval[2];
 112         short extend;
 113
 114         select_type = RNA_enum_get(op->ptr, "select_type");
 115
 116         switch (select_type) {
 117                 case NODE_SELECT_MOUSE:
 118                         mval[0] = RNA_int_get(op->ptr, "mx");
 119                         mval[1] = RNA_int_get(op->ptr, "my");
 120                         extend = RNA_int_get(op->ptr, "extend");
 121                         node_mouse_select(snode, ar, mval, extend);
 122                         break;
 123         }
 124         return OPERATOR_FINISHED;
 125 }
 126
 127 static int node_select_invoke(bContext *C, wmOperator *op, wmEvent *event)
 128 {
 129         ARegion *ar= CTX_wm_region(C);
 130         short mval[2];
 131
 132         mval[0]= event->x - ar->winrct.xmin;
 133         mval[1]= event->y - ar->winrct.ymin;
 134
 135         RNA_int_set(op->ptr, "mx", mval[0]);
 136         RNA_int_set(op->ptr, "my", mval[1]);
 137
 138         return node_select_exec(C,op);
 139 }
 140
 141 static int node_extend_select_invoke(bContext *C, wmOperator *op, wmEvent *event)
 142 {
 143         RNA_int_set(op->ptr, "extend", KM_SHIFT);
 144
 145         return node_select_invoke(C, op, event);
 146 }
 147
 148 /* operators */
 149
 150 static EnumPropertyItem prop_select_items[] = {
 151         {NODE_SELECT_MOUSE, "NORMAL", "Normal Select", "Select using the mouse"},
 152         {0, NULL, NULL, NULL}};
 153
 154 void NODE_OT_extend_select(wmOperatorType *ot)
 155 {
 156         PropertyRNA *prop;
 157
 158         /* identifiers */
 159         ot->name= "Activate/Select (Shift)";
 160         ot->idname= "NODE_OT_extend_select";
 161
 162         /* api callbacks */
 163         ot->invoke= node_extend_select_invoke;
 164         ot->poll= ED_operator_node_active;
 165
 166         prop = RNA_def_property(ot->srna, "select_type", PROP_ENUM, PROP_NONE);
 167         RNA_def_property_enum_items(prop, prop_select_items);
 168
 169         prop = RNA_def_property(ot->srna, "mx", PROP_INT, PROP_NONE);
 170         prop = RNA_def_property(ot->srna, "my", PROP_INT, PROP_NONE);
 171         prop = RNA_def_property(ot->srna, "extend", PROP_INT, PROP_NONE);
 172 }
 173
 174 void NODE_OT_select(wmOperatorType *ot)
 175 {
 176         PropertyRNA *prop;
 177
 178         /* identifiers */
 179         ot->name= "Activate/Select";
 180         ot->idname= "NODE_OT_select";
 181
 182         /* api callbacks */
 183         ot->invoke= node_select_invoke;
 184         ot->poll= ED_operator_node_active;
 185
 186         prop = RNA_def_property(ot->srna, "select_type", PROP_ENUM, PROP_NONE);
 187         RNA_def_property_enum_items(prop, prop_select_items);
 188
 189         prop = RNA_def_property(ot->srna, "mx", PROP_INT, PROP_NONE);
 190         prop = RNA_def_property(ot->srna, "my", PROP_INT, PROP_NONE);
 191         prop = RNA_def_property(ot->srna, "extend", PROP_INT, PROP_NONE);
 192 }