source: trunk/examples/painting/svgviewer/mainwindow.cpp@ 561

Last change on this file since 561 was 561, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.1 sources.

File size: 5.8 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation (qt-info@nokia.com)
6**
7** This file is part of the examples of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at qt-info@nokia.com.
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "mainwindow.h"
43
44#include <QtGui>
45
46#include "svgview.h"
47
48MainWindow::MainWindow()
49 : QMainWindow()
50 , m_view(new SvgView)
51{
52 QMenu *fileMenu = new QMenu(tr("&File"), this);
53 QAction *openAction = fileMenu->addAction(tr("&Open..."));
54 openAction->setShortcut(QKeySequence(tr("Ctrl+O")));
55 QAction *quitAction = fileMenu->addAction(tr("E&xit"));
56 quitAction->setShortcuts(QKeySequence::Quit);
57
58 menuBar()->addMenu(fileMenu);
59
60 QMenu *viewMenu = new QMenu(tr("&View"), this);
61 m_backgroundAction = viewMenu->addAction(tr("&Background"));
62 m_backgroundAction->setEnabled(false);
63 m_backgroundAction->setCheckable(true);
64 m_backgroundAction->setChecked(false);
65 connect(m_backgroundAction, SIGNAL(toggled(bool)), m_view, SLOT(setViewBackground(bool)));
66
67 m_outlineAction = viewMenu->addAction(tr("&Outline"));
68 m_outlineAction->setEnabled(false);
69 m_outlineAction->setCheckable(true);
70 m_outlineAction->setChecked(true);
71 connect(m_outlineAction, SIGNAL(toggled(bool)), m_view, SLOT(setViewOutline(bool)));
72
73 menuBar()->addMenu(viewMenu);
74
75 QMenu *rendererMenu = new QMenu(tr("&Renderer"), this);
76 m_nativeAction = rendererMenu->addAction(tr("&Native"));
77 m_nativeAction->setCheckable(true);
78 m_nativeAction->setChecked(true);
79#ifndef QT_NO_OPENGL
80 m_glAction = rendererMenu->addAction(tr("&OpenGL"));
81 m_glAction->setCheckable(true);
82#endif
83 m_imageAction = rendererMenu->addAction(tr("&Image"));
84 m_imageAction->setCheckable(true);
85
86#ifndef QT_NO_OPENGL
87 rendererMenu->addSeparator();
88 m_highQualityAntialiasingAction = rendererMenu->addAction(tr("&High Quality Antialiasing"));
89 m_highQualityAntialiasingAction->setEnabled(false);
90 m_highQualityAntialiasingAction->setCheckable(true);
91 m_highQualityAntialiasingAction->setChecked(false);
92 connect(m_highQualityAntialiasingAction, SIGNAL(toggled(bool)), m_view, SLOT(setHighQualityAntialiasing(bool)));
93#endif
94
95 QActionGroup *rendererGroup = new QActionGroup(this);
96 rendererGroup->addAction(m_nativeAction);
97#ifndef QT_NO_OPENGL
98 rendererGroup->addAction(m_glAction);
99#endif
100 rendererGroup->addAction(m_imageAction);
101
102 menuBar()->addMenu(rendererMenu);
103
104 connect(openAction, SIGNAL(triggered()), this, SLOT(openFile()));
105 connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
106 connect(rendererGroup, SIGNAL(triggered(QAction*)),
107 this, SLOT(setRenderer(QAction*)));
108
109 setCentralWidget(m_view);
110 setWindowTitle(tr("SVG Viewer"));
111}
112
113void MainWindow::openFile(const QString &path)
114{
115 QString fileName;
116 if (path.isNull())
117 fileName = QFileDialog::getOpenFileName(this, tr("Open SVG File"),
118 m_currentPath, "SVG files (*.svg *.svgz *.svg.gz)");
119 else
120 fileName = path;
121
122 if (!fileName.isEmpty()) {
123 QFile file(fileName);
124 if (!file.exists()) {
125 QMessageBox::critical(this, tr("Open SVG File"),
126 QString("Could not open file '%1'.").arg(fileName));
127
128 m_outlineAction->setEnabled(false);
129 m_backgroundAction->setEnabled(false);
130 return;
131 }
132
133 m_view->openFile(file);
134
135 if (!fileName.startsWith(":/")) {
136 m_currentPath = fileName;
137 setWindowTitle(tr("%1 - SVGViewer").arg(m_currentPath));
138 }
139
140 m_outlineAction->setEnabled(true);
141 m_backgroundAction->setEnabled(true);
142
143 resize(m_view->sizeHint() + QSize(80, 80 + menuBar()->height()));
144 }
145}
146
147void MainWindow::setRenderer(QAction *action)
148{
149#ifndef QT_NO_OPENGL
150 m_highQualityAntialiasingAction->setEnabled(false);
151#endif
152
153 if (action == m_nativeAction)
154 m_view->setRenderer(SvgView::Native);
155#ifndef QT_NO_OPENGL
156 else if (action == m_glAction) {
157 m_highQualityAntialiasingAction->setEnabled(true);
158 m_view->setRenderer(SvgView::OpenGL);
159 }
160#endif
161 else if (action == m_imageAction) {
162 m_view->setRenderer(SvgView::Image);
163 }
164}
Note: See TracBrowser for help on using the repository browser.