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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, Nathan Letwory
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_node/node_view.c
* \ingroup spnode
*/
#include <stdio.h>
#include "DNA_node_types.h"
#include "DNA_scene_types.h"
#include "BLI_rect.h"
#include "BLI_utildefines.h"
#include "BKE_context.h"
#include "BKE_node.h"
#include "ED_screen.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"
/* **************** View All Operator ************** */
static void snode_home(ScrArea *UNUSED(sa), ARegion *ar, SpaceNode* snode)
{
bNode *node;
rctf *cur;
float oldwidth, oldheight, width, height;
int first= 1;
cur= &ar->v2d.cur;
oldwidth= cur->xmax - cur->xmin;
oldheight= cur->ymax - cur->ymin;
cur->xmin = cur->ymin = 0.0f;
cur->xmax=ar->winx;
cur->ymax=ar->winy;
if (snode->edittree) {
for (node= snode->edittree->nodes.first; node; node= node->next) {
if (first) {
first= 0;
ar->v2d.cur= node->totr;
}
else {
BLI_rctf_union(cur, &node->totr);
}
}
}
snode->xof= 0;
snode->yof= 0;
width= cur->xmax - cur->xmin;
height= cur->ymax- cur->ymin;
if (width > height) {
float newheight;
newheight= oldheight * width/oldwidth;
cur->ymin = cur->ymin - newheight/4;
cur->ymax = cur->ymax + newheight/4;
}
else {
float newwidth;
newwidth= oldwidth * height/oldheight;
cur->xmin = cur->xmin - newwidth/4;
cur->xmax = cur->xmax + newwidth/4;
}
ar->v2d.tot= ar->v2d.cur;
UI_view2d_curRect_validate(&ar->v2d);
}
static int node_view_all_exec(bContext *C, wmOperator *UNUSED(op))
{
ScrArea *sa= CTX_wm_area(C);
ARegion *ar= CTX_wm_region(C);
SpaceNode *snode= CTX_wm_space_node(C);
snode_home(sa, ar, snode);
ED_region_tag_redraw(ar);
return OPERATOR_FINISHED;
}
void NODE_OT_view_all(wmOperatorType *ot)
{
/* identifiers */
ot->name = "View All";
ot->idname = "NODE_OT_view_all";
ot->description = "Resize view so you can see all nodes";
/* api callbacks */
ot->exec = node_view_all_exec;
ot->poll = ED_operator_node_active;
/* flags */
ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
}
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