1 /****************************************************************************
2 **
3 ** This file is part of the LibreCAD project, a 2D CAD program
4 **
5 ** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
6 ** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
7 **
8 **
9 ** This file may be distributed and/or modified under the terms of the
10 ** GNU General Public License version 2 as published by the Free Software
11 ** Foundation and appearing in the file gpl-2.0.txt included in the
12 ** packaging of this file.
13 **
14 ** This program is distributed in the hope that it will be useful,
15 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 ** GNU General Public License for more details.
18 **
19 ** You should have received a copy of the GNU General Public License
20 ** along with this program; if not, write to the Free Software
21 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
22 **
23 ** This copyright notice MUST APPEAR in all copies of the script!
24 **
25 **********************************************************************/
26 
27 #include "rs_actionzoomscroll.h"
28 #include "rs_graphicview.h"
29 
RS_ActionZoomScroll(RS2::Direction direction,RS_EntityContainer & container,RS_GraphicView & graphicView)30 RS_ActionZoomScroll::RS_ActionZoomScroll(RS2::Direction direction,
31 										 RS_EntityContainer& container,
32 										 RS_GraphicView& graphicView)
33 	:RS_ActionInterface("Zoom scroll", container, graphicView)
34 	,direction(direction)
35 	,hasOffset(false)
36 {
37 }
38 
RS_ActionZoomScroll(int offsetX,int offsetY,RS_EntityContainer & container,RS_GraphicView & graphicView)39 RS_ActionZoomScroll::RS_ActionZoomScroll(int offsetX, int offsetY,
40 										 RS_EntityContainer& container,
41 										 RS_GraphicView& graphicView)
42 	:RS_ActionInterface("Zoom scroll", container, graphicView)
43 	,hasOffset(true)
44 	,offsetX(offsetX)
45 	,offsetY(offsetY)
46 {
47 }
48 
trigger()49 void RS_ActionZoomScroll::trigger() {
50     if (hasOffset) {
51         graphicView->zoomPan(offsetX, offsetY);
52     } else {
53         graphicView->zoomScroll(direction);
54     }
55     finish(false);
56 }
57 
init(int status)58 void RS_ActionZoomScroll::init(int status) {
59     RS_ActionInterface::init(status);
60     trigger();
61 }
62 
63 // EOF
64