[2] | 1 | /****************************************************************************
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| 2 | **
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[846] | 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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[561] | 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation (qt-info@nokia.com)
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[2] | 6 | **
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| 7 | ** This file is part of the examples of the Qt Toolkit.
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| 8 | **
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[846] | 9 | ** $QT_BEGIN_LICENSE:BSD$
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| 10 | ** You may use this file under the terms of the BSD license as follows:
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[2] | 11 | **
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[846] | 12 | ** "Redistribution and use in source and binary forms, with or without
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| 13 | ** modification, are permitted provided that the following conditions are
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| 14 | ** met:
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| 15 | ** * Redistributions of source code must retain the above copyright
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| 16 | ** notice, this list of conditions and the following disclaimer.
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| 17 | ** * Redistributions in binary form must reproduce the above copyright
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| 18 | ** notice, this list of conditions and the following disclaimer in
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| 19 | ** the documentation and/or other materials provided with the
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| 20 | ** distribution.
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| 21 | ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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| 22 | ** the names of its contributors may be used to endorse or promote
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| 23 | ** products derived from this software without specific prior written
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| 24 | ** permission.
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[2] | 25 | **
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[846] | 26 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 27 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 28 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| 29 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| 30 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 31 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 32 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 33 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 34 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 35 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 36 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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[2] | 37 | ** $QT_END_LICENSE$
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| 38 | **
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| 39 | ****************************************************************************/
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| 40 |
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| 41 | #include <QtGui>
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| 42 |
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| 43 | #include "mainwindow.h"
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| 44 | #include "tabletcanvas.h"
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| 45 |
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| 46 | //! [0]
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| 47 | MainWindow::MainWindow(TabletCanvas *canvas)
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| 48 | {
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| 49 | myCanvas = canvas;
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| 50 | createActions();
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| 51 | createMenus();
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| 52 |
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| 53 | myCanvas->setColor(Qt::red);
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| 54 | myCanvas->setLineWidthType(TabletCanvas::LineWidthPressure);
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| 55 | myCanvas->setAlphaChannelType(TabletCanvas::NoAlpha);
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| 56 | myCanvas->setColorSaturationType(TabletCanvas::NoSaturation);
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| 57 |
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| 58 | setWindowTitle(tr("Tablet Example"));
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| 59 | setCentralWidget(myCanvas);
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| 60 | }
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| 61 | //! [0]
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| 62 |
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| 63 | //! [1]
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| 64 | void MainWindow::brushColorAct()
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| 65 | {
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| 66 | QColor color = QColorDialog::getColor(myCanvas->color());
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| 67 |
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| 68 | if (color.isValid())
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| 69 | myCanvas->setColor(color);
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| 70 | }
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| 71 | //! [1]
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| 72 |
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| 73 | //! [2]
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| 74 | void MainWindow::alphaActionTriggered(QAction *action)
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| 75 | {
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| 76 | if (action == alphaChannelPressureAction) {
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| 77 | myCanvas->setAlphaChannelType(TabletCanvas::AlphaPressure);
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| 78 | } else if (action == alphaChannelTiltAction) {
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| 79 | myCanvas->setAlphaChannelType(TabletCanvas::AlphaTilt);
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| 80 | } else {
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| 81 | myCanvas->setAlphaChannelType(TabletCanvas::NoAlpha);
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| 82 | }
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| 83 | }
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| 84 | //! [2]
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| 85 |
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| 86 | //! [3]
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| 87 | void MainWindow::lineWidthActionTriggered(QAction *action)
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| 88 | {
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| 89 | if (action == lineWidthPressureAction) {
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| 90 | myCanvas->setLineWidthType(TabletCanvas::LineWidthPressure);
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| 91 | } else if (action == lineWidthTiltAction) {
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| 92 | myCanvas->setLineWidthType(TabletCanvas::LineWidthTilt);
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| 93 | } else {
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| 94 | myCanvas->setLineWidthType(TabletCanvas::NoLineWidth);
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| 95 | }
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| 96 | }
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| 97 | //! [3]
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| 98 |
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| 99 | //! [4]
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| 100 | void MainWindow::saturationActionTriggered(QAction *action)
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| 101 | {
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| 102 | if (action == colorSaturationVTiltAction) {
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| 103 | myCanvas->setColorSaturationType(TabletCanvas::SaturationVTilt);
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| 104 | } else if (action == colorSaturationHTiltAction) {
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| 105 | myCanvas->setColorSaturationType(TabletCanvas::SaturationHTilt);
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| 106 | } else if (action == colorSaturationPressureAction) {
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| 107 | myCanvas->setColorSaturationType(TabletCanvas::SaturationPressure);
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| 108 | } else {
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| 109 | myCanvas->setColorSaturationType(TabletCanvas::NoSaturation);
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| 110 | }
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| 111 | }
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| 112 | //! [4]
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| 113 |
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| 114 | //! [5]
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| 115 | void MainWindow::saveAct()
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| 116 | {
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| 117 | QString path = QDir::currentPath() + "/untitled.png";
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| 118 | QString fileName = QFileDialog::getSaveFileName(this, tr("Save Picture"),
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| 119 | path);
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| 120 |
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| 121 | if (!myCanvas->saveImage(fileName))
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| 122 | QMessageBox::information(this, "Error Saving Picture",
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| 123 | "Could not save the image");
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| 124 | }
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| 125 | //! [5]
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| 126 |
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| 127 | //! [6]
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| 128 | void MainWindow::loadAct()
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| 129 | {
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| 130 | QString fileName = QFileDialog::getOpenFileName(this, tr("Open Picture"),
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| 131 | QDir::currentPath());
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| 132 |
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| 133 | if (!myCanvas->loadImage(fileName))
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| 134 | QMessageBox::information(this, "Error Opening Picture",
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| 135 | "Could not open picture");
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| 136 | }
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| 137 | //! [6]
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| 138 |
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| 139 | //! [7]
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| 140 | void MainWindow::aboutAct()
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| 141 | {
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| 142 | QMessageBox::about(this, tr("About Tablet Example"),
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| 143 | tr("This example shows use of a Wacom tablet in Qt"));
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| 144 | }
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| 145 | //! [7]
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| 146 |
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| 147 | //! [8]
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| 148 | void MainWindow::createActions()
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| 149 | {
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| 150 | //! [8]
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| 151 | brushColorAction = new QAction(tr("&Brush Color..."), this);
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| 152 | brushColorAction->setShortcut(tr("Ctrl+C"));
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| 153 | connect(brushColorAction, SIGNAL(triggered()),
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| 154 | this, SLOT(brushColorAct()));
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| 155 |
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| 156 | //! [9]
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| 157 | alphaChannelPressureAction = new QAction(tr("&Pressure"), this);
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| 158 | alphaChannelPressureAction->setCheckable(true);
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| 159 |
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| 160 | alphaChannelTiltAction = new QAction(tr("&Tilt"), this);
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| 161 | alphaChannelTiltAction->setCheckable(true);
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| 162 |
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| 163 | noAlphaChannelAction = new QAction(tr("No Alpha Channel"), this);
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| 164 | noAlphaChannelAction->setCheckable(true);
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| 165 | noAlphaChannelAction->setChecked(true);
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| 166 |
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| 167 | alphaChannelGroup = new QActionGroup(this);
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| 168 | alphaChannelGroup->addAction(alphaChannelPressureAction);
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| 169 | alphaChannelGroup->addAction(alphaChannelTiltAction);
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| 170 | alphaChannelGroup->addAction(noAlphaChannelAction);
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[561] | 171 | connect(alphaChannelGroup, SIGNAL(triggered(QAction*)),
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| 172 | this, SLOT(alphaActionTriggered(QAction*)));
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[2] | 173 |
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| 174 | //! [9]
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| 175 | colorSaturationVTiltAction = new QAction(tr("&Vertical Tilt"), this);
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| 176 | colorSaturationVTiltAction->setCheckable(true);
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| 177 |
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| 178 | colorSaturationHTiltAction = new QAction(tr("&Horizontal Tilt"), this);
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| 179 | colorSaturationHTiltAction->setCheckable(true);
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| 180 |
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| 181 | colorSaturationPressureAction = new QAction(tr("&Pressure"), this);
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| 182 | colorSaturationPressureAction->setCheckable(true);
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| 183 |
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| 184 | noColorSaturationAction = new QAction(tr("&No Color Saturation"), this);
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| 185 | noColorSaturationAction->setCheckable(true);
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| 186 | noColorSaturationAction->setChecked(true);
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| 187 |
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| 188 | colorSaturationGroup = new QActionGroup(this);
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| 189 | colorSaturationGroup->addAction(colorSaturationVTiltAction);
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| 190 | colorSaturationGroup->addAction(colorSaturationHTiltAction);
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| 191 | colorSaturationGroup->addAction(colorSaturationPressureAction);
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| 192 | colorSaturationGroup->addAction(noColorSaturationAction);
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[561] | 193 | connect(colorSaturationGroup, SIGNAL(triggered(QAction*)),
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| 194 | this, SLOT(saturationActionTriggered(QAction*)));
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[2] | 195 |
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| 196 | lineWidthPressureAction = new QAction(tr("&Pressure"), this);
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| 197 | lineWidthPressureAction->setCheckable(true);
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| 198 | lineWidthPressureAction->setChecked(true);
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| 199 |
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| 200 | lineWidthTiltAction = new QAction(tr("&Tilt"), this);
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| 201 | lineWidthTiltAction->setCheckable(true);
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| 202 |
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| 203 | lineWidthFixedAction = new QAction(tr("&Fixed"), this);
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| 204 | lineWidthFixedAction->setCheckable(true);
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| 205 |
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| 206 | lineWidthGroup = new QActionGroup(this);
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| 207 | lineWidthGroup->addAction(lineWidthPressureAction);
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| 208 | lineWidthGroup->addAction(lineWidthTiltAction);
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| 209 | lineWidthGroup->addAction(lineWidthFixedAction);
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[561] | 210 | connect(lineWidthGroup, SIGNAL(triggered(QAction*)),
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| 211 | this, SLOT(lineWidthActionTriggered(QAction*)));
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[2] | 212 |
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| 213 | exitAction = new QAction(tr("E&xit"), this);
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[561] | 214 | exitAction->setShortcuts(QKeySequence::Quit);
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[2] | 215 | connect(exitAction, SIGNAL(triggered()),
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| 216 | this, SLOT(close()));
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| 217 |
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| 218 | loadAction = new QAction(tr("&Open..."), this);
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[561] | 219 | loadAction->setShortcuts(QKeySequence::Open);
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[2] | 220 | connect(loadAction, SIGNAL(triggered()),
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| 221 | this, SLOT(loadAct()));
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| 222 |
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| 223 | saveAction = new QAction(tr("&Save As..."), this);
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[561] | 224 | saveAction->setShortcuts(QKeySequence::SaveAs);
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[2] | 225 | connect(saveAction, SIGNAL(triggered()),
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| 226 | this, SLOT(saveAct()));
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| 227 |
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| 228 | aboutAction = new QAction(tr("A&bout"), this);
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| 229 | aboutAction->setShortcut(tr("Ctrl+B"));
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| 230 | connect(aboutAction, SIGNAL(triggered()),
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| 231 | this, SLOT(aboutAct()));
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| 232 |
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| 233 | aboutQtAction = new QAction(tr("About &Qt"), this);
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| 234 | aboutQtAction->setShortcut(tr("Ctrl+Q"));
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| 235 | connect(aboutQtAction, SIGNAL(triggered()),
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| 236 | qApp, SLOT(aboutQt()));
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| 237 | //! [10]
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| 238 | }
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| 239 | //! [10]
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| 240 |
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| 241 | //! [11]
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| 242 | void MainWindow::createMenus()
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| 243 | {
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| 244 | fileMenu = menuBar()->addMenu(tr("&File"));
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| 245 | fileMenu->addAction(loadAction);
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| 246 | fileMenu->addAction(saveAction);
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| 247 | fileMenu->addSeparator();
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| 248 | fileMenu->addAction(exitAction);
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| 249 |
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| 250 | brushMenu = menuBar()->addMenu(tr("&Brush"));
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| 251 | brushMenu->addAction(brushColorAction);
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| 252 |
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| 253 | tabletMenu = menuBar()->addMenu(tr("&Tablet"));
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| 254 |
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| 255 | lineWidthMenu = tabletMenu->addMenu(tr("&Line Width"));
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| 256 | lineWidthMenu->addAction(lineWidthPressureAction);
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| 257 | lineWidthMenu->addAction(lineWidthTiltAction);
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| 258 | lineWidthMenu->addAction(lineWidthFixedAction);
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| 259 |
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| 260 | alphaChannelMenu = tabletMenu->addMenu(tr("&Alpha Channel"));
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| 261 | alphaChannelMenu->addAction(alphaChannelPressureAction);
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| 262 | alphaChannelMenu->addAction(alphaChannelTiltAction);
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| 263 | alphaChannelMenu->addAction(noAlphaChannelAction);
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| 264 |
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| 265 | colorSaturationMenu = tabletMenu->addMenu(tr("&Color Saturation"));
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| 266 | colorSaturationMenu->addAction(colorSaturationVTiltAction);
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| 267 | colorSaturationMenu->addAction(colorSaturationHTiltAction);
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| 268 | colorSaturationMenu->addAction(noColorSaturationAction);
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| 269 |
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| 270 | helpMenu = menuBar()->addMenu("&Help");
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| 271 | helpMenu->addAction(aboutAction);
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| 272 | helpMenu->addAction(aboutQtAction);
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| 273 | }
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| 274 | //! [11]
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