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/*
* $Id$
*
* ***** 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, Nathan Letwory
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_node/node_select.c
* \ingroup spnode
*/
#include <stdio.h>
#include "DNA_node_types.h"
#include "DNA_scene_types.h"
#include "BKE_context.h"
#include "BKE_main.h"
#include "BLI_rect.h"
#include "BLI_utildefines.h"
#include "BLF_api.h"
#include "ED_node.h"
#include "ED_screen.h"
#include "ED_types.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "WM_api.h"
#include "WM_types.h"
#include "UI_view2d.h"
#include "node_intern.h"
/* ****** helpers ****** */
static bNode *node_under_mouse(bNodeTree *ntree, int mx, int my)
{
bNode *node;
for(next_node(ntree); (node=next_node(NULL));) {
/* node body (header and scale are in other operators) */
if (BLI_in_rctf(&node->totr, mx, my))
return node;
}
return NULL;
}
/* ****** Click Select ****** */
static bNode *node_mouse_select(Main *bmain, SpaceNode *snode, ARegion *ar, const int mval[2], short extend)
{
bNode *node;
float mx, my;
/* get mouse coordinates in view2d space */
mx= (float)mval[0];
my= (float)mval[1];
UI_view2d_region_to_view(&ar->v2d, mval[0], mval[1], &mx, &my);
/* find the closest visible node */
node = node_under_mouse(snode->edittree, mx, my);
if (node) {
if (extend == 0) {
node_deselectall(snode);
node->flag |= SELECT;
}
else
node->flag ^= SELECT;
ED_node_set_active(bmain, snode->edittree, node);
}
return node;
}
static int node_select_exec(bContext *C, wmOperator *op)
{
Main *bmain= CTX_data_main(C);
SpaceNode *snode= CTX_wm_space_node(C);
ARegion *ar= CTX_wm_region(C);
int mval[2];
short extend;
bNode *node= NULL;
/* get settings from RNA properties for operator */
mval[0] = RNA_int_get(op->ptr, "mouse_x");
mval[1] = RNA_int_get(op->ptr, "mouse_y");
extend = RNA_boolean_get(op->ptr, "extend");
/* perform the select */
node= node_mouse_select(bmain, snode, ar, mval, extend);
/* send notifiers */
WM_event_add_notifier(C, NC_NODE|NA_SELECTED, NULL);
/* allow tweak event to work too */
return OPERATOR_FINISHED|OPERATOR_PASS_THROUGH;
}
static int node_select_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
RNA_int_set(op->ptr, "mouse_x", event->mval[0]);
RNA_int_set(op->ptr, "mouse_y", event->mval[1]);
return node_select_exec(C,op);
}
void NODE_OT_select(wmOperatorType *ot)
{
/* identifiers */
ot->name= _("Select");
ot->idname= "NODE_OT_select";
ot->description= _("Select node under cursor");
/* api callbacks */
ot->invoke= node_select_invoke;
ot->poll= ED_operator_node_active;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
/* properties */
RNA_def_int(ot->srna, "mouse_x", 0, INT_MIN, INT_MAX, _("Mouse X"), "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "mouse_y", 0, INT_MIN, INT_MAX, _("Mouse Y"), "", INT_MIN, INT_MAX);
RNA_def_boolean(ot->srna, "extend", 0, _("Extend"), "");
}
/* ****** Border Select ****** */
static int node_borderselect_exec(bContext *C, wmOperator *op)
{
SpaceNode *snode= CTX_wm_space_node(C);
ARegion *ar= CTX_wm_region(C);
bNode *node;
rcti rect;
rctf rectf;
int gesture_mode= RNA_int_get(op->ptr, "gesture_mode");
rect.xmin= RNA_int_get(op->ptr, "xmin");
rect.ymin= RNA_int_get(op->ptr, "ymin");
UI_view2d_region_to_view(&ar->v2d, rect.xmin, rect.ymin, &rectf.xmin, &rectf.ymin);
rect.xmax= RNA_int_get(op->ptr, "xmax");
rect.ymax= RNA_int_get(op->ptr, "ymax");
UI_view2d_region_to_view(&ar->v2d, rect.xmax, rect.ymax, &rectf.xmax, &rectf.ymax);
for(node= snode->edittree->nodes.first; node; node= node->next) {
if(BLI_isect_rctf(&rectf, &node->totr, NULL)) {
if(gesture_mode==GESTURE_MODAL_SELECT)
node->flag |= SELECT;
else
node->flag &= ~SELECT;
}
}
WM_event_add_notifier(C, NC_NODE|NA_SELECTED, NULL);
return OPERATOR_FINISHED;
}
static int node_border_select_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
int tweak = RNA_boolean_get(op->ptr, "tweak");
if (tweak) {
/* prevent initiating the border select if the mouse is over a node */
/* this allows border select on empty space, but drag-translate on nodes */
SpaceNode *snode= CTX_wm_space_node(C);
ARegion *ar= CTX_wm_region(C);
float mx, my;
UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &mx, &my);
if (node_under_mouse(snode->edittree, mx, my))
return OPERATOR_CANCELLED|OPERATOR_PASS_THROUGH;
}
return WM_border_select_invoke(C, op, event);
}
void NODE_OT_select_border(wmOperatorType *ot)
{
/* identifiers */
ot->name= _("Border Select");
ot->idname= "NODE_OT_select_border";
ot->description= _("Use box selection to select nodes");
/* api callbacks */
ot->invoke= node_border_select_invoke;
ot->exec= node_borderselect_exec;
ot->modal= WM_border_select_modal;
ot->cancel= WM_border_select_cancel;
ot->poll= ED_operator_node_active;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
/* rna */
WM_operator_properties_gesture_border(ot, FALSE);
RNA_def_boolean(ot->srna, "tweak", 0, _("Tweak"), _("Only activate when mouse is not over a node - useful for tweak gesture"));
}
/* ****** Select/Deselect All ****** */
static int node_select_all_exec(bContext *C, wmOperator *UNUSED(op))
{
SpaceNode *snode = CTX_wm_space_node(C);
bNode *first = snode->edittree->nodes.first;
bNode *node;
int count= 0;
for(node=first; node; node=node->next)
if(node->flag & NODE_SELECT)
count++;
if(count) {
for(node=first; node; node=node->next)
node->flag &= ~NODE_SELECT;
}
else {
for(node=first; node; node=node->next)
node->flag |= NODE_SELECT;
}
WM_event_add_notifier(C, NC_NODE|NA_SELECTED, NULL);
return OPERATOR_FINISHED;
}
void NODE_OT_select_all(wmOperatorType *ot)
{
/* identifiers */
ot->name = _("Select or Deselect All");
ot->description = _("(De)select all nodes");
ot->idname = "NODE_OT_select_all";
/* api callbacks */
ot->exec = node_select_all_exec;
ot->poll = ED_operator_node_active;
/* flags */
ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* ****** Select Linked To ****** */
static int node_select_linked_to_exec(bContext *C, wmOperator *UNUSED(op))
{
SpaceNode *snode = CTX_wm_space_node(C);
bNodeLink *link;
bNode *node;
for (node=snode->edittree->nodes.first; node; node=node->next)
node->flag &= ~NODE_TEST;
for (link=snode->edittree->links.first; link; link=link->next) {
if (link->fromnode && link->tonode && (link->fromnode->flag & NODE_SELECT))
link->tonode->flag |= NODE_TEST;
}
for (node=snode->edittree->nodes.first; node; node=node->next) {
if (node->flag & NODE_TEST)
node->flag |= NODE_SELECT;
}
WM_event_add_notifier(C, NC_NODE|NA_SELECTED, NULL);
return OPERATOR_FINISHED;
}
void NODE_OT_select_linked_to(wmOperatorType *ot)
{
/* identifiers */
ot->name = _("Select Linked To");
ot->description = _("Select nodes linked to the selected ones");
ot->idname = "NODE_OT_select_linked_to";
/* api callbacks */
ot->exec = node_select_linked_to_exec;
ot->poll = ED_operator_node_active;
/* flags */
ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* ****** Select Linked From ****** */
static int node_select_linked_from_exec(bContext *C, wmOperator *UNUSED(op))
{
SpaceNode *snode = CTX_wm_space_node(C);
bNodeLink *link;
bNode *node;
for(node=snode->edittree->nodes.first; node; node=node->next)
node->flag &= ~NODE_TEST;
for(link=snode->edittree->links.first; link; link=link->next) {
if(link->fromnode && link->tonode && (link->tonode->flag & NODE_SELECT))
link->fromnode->flag |= NODE_TEST;
}
for(node=snode->edittree->nodes.first; node; node=node->next) {
if(node->flag & NODE_TEST)
node->flag |= NODE_SELECT;
}
WM_event_add_notifier(C, NC_NODE|NA_SELECTED, NULL);
return OPERATOR_FINISHED;
}
void NODE_OT_select_linked_from(wmOperatorType *ot)
{
/* identifiers */
ot->name = _("Select Linked From");
ot->description = _("Select nodes linked from the selected ones");
ot->idname = "NODE_OT_select_linked_from";
/* api callbacks */
ot->exec = node_select_linked_from_exec;
ot->poll = ED_operator_node_active;
/* flags */
ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* ****** Select Same Type ****** */
static int node_select_same_type_exec(bContext *C, wmOperator *UNUSED(op))
{
SpaceNode *snode = CTX_wm_space_node(C);
node_select_same_type(snode);
WM_event_add_notifier(C, NC_NODE|NA_SELECTED, NULL);
return OPERATOR_FINISHED;
}
void NODE_OT_select_same_type(wmOperatorType *ot)
{
/* identifiers */
ot->name = _("Select Same Type");
ot->description = _("Select all the same type");
ot->idname = "NODE_OT_select_same_type";
/* api callbacks */
ot->exec = node_select_same_type_exec;
ot->poll = ED_operator_node_active;
/* flags */
ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* ****** Select The Next/Prev Node Of The Same Type ****** */
static int node_select_same_type_next_exec(bContext *C, wmOperator *UNUSED(op))
{
SpaceNode *snode = CTX_wm_space_node(C);
node_select_same_type_np(snode, 0);
WM_event_add_notifier(C, NC_NODE|NA_SELECTED, NULL);
return OPERATOR_FINISHED;
}
void NODE_OT_select_same_type_next(wmOperatorType *ot)
{
/* identifiers */
ot->name = _("Select Same Type Next");
ot->description = _("Select the next node of the same type.");
ot->idname = "NODE_OT_select_same_type_next";
/* api callbacks */
ot->exec = node_select_same_type_next_exec;
ot->poll = ED_operator_node_active;
/* flags */
ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
}
static int node_select_same_type_prev_exec(bContext *C, wmOperator *UNUSED(op))
{
SpaceNode *snode = CTX_wm_space_node(C);
node_select_same_type_np(snode, 1);
WM_event_add_notifier(C, NC_NODE|NA_SELECTED, NULL);
return OPERATOR_FINISHED;
}
void NODE_OT_select_same_type_prev(wmOperatorType *ot)
{
/* identifiers */
ot->name = _("Select Same Type Prev");
ot->description = _("Select the prev node of the same type.");
ot->idname = "NODE_OT_select_same_type_prev";
/* api callbacks */
ot->exec = node_select_same_type_prev_exec;
ot->poll = ED_operator_node_active;
/* flags */
ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
}
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