1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** All rights reserved.
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5 | ** Contact: Nokia Corporation ([email protected])
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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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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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11 | **
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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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25 | **
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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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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 |
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45 | //! [0]
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46 | MainWindow::MainWindow()
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47 | {
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48 | QWidget *widget = new QWidget;
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49 | setCentralWidget(widget);
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50 | //! [0]
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51 |
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52 | //! [1]
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53 | QWidget *topFiller = new QWidget;
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54 | topFiller->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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55 |
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56 | infoLabel = new QLabel(tr("<i>Choose a menu option, or right-click to "
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57 | "invoke a context menu</i>"));
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58 | infoLabel->setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
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59 | infoLabel->setAlignment(Qt::AlignCenter);
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60 |
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61 | QWidget *bottomFiller = new QWidget;
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62 | bottomFiller->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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63 |
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64 | QVBoxLayout *layout = new QVBoxLayout;
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65 | layout->setMargin(5);
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66 | layout->addWidget(topFiller);
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67 | layout->addWidget(infoLabel);
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68 | layout->addWidget(bottomFiller);
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69 | widget->setLayout(layout);
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70 | //! [1]
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71 |
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72 | //! [2]
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73 | createActions();
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74 | createMenus();
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75 |
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76 | QString message = tr("A context menu is available by right-clicking");
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77 | statusBar()->showMessage(message);
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78 |
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79 | setWindowTitle(tr("Menus"));
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80 | setMinimumSize(160, 160);
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81 | resize(480, 320);
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82 | }
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83 | //! [2]
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84 |
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85 | //! [3]
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86 | void MainWindow::contextMenuEvent(QContextMenuEvent *event)
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87 | {
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88 | QMenu menu(this);
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89 | menu.addAction(cutAct);
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90 | menu.addAction(copyAct);
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91 | menu.addAction(pasteAct);
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92 | menu.exec(event->globalPos());
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93 | }
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94 | //! [3]
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95 |
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96 | void MainWindow::newFile()
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97 | {
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98 | infoLabel->setText(tr("Invoked <b>File|New</b>"));
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99 | }
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100 |
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101 | void MainWindow::open()
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102 | {
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103 | infoLabel->setText(tr("Invoked <b>File|Open</b>"));
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104 | }
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105 |
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106 | void MainWindow::save()
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107 | {
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108 | infoLabel->setText(tr("Invoked <b>File|Save</b>"));
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109 | }
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110 |
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111 | void MainWindow::print()
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112 | {
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113 | infoLabel->setText(tr("Invoked <b>File|Print</b>"));
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114 | }
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115 |
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116 | void MainWindow::undo()
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117 | {
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118 | infoLabel->setText(tr("Invoked <b>Edit|Undo</b>"));
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119 | }
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120 |
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121 | void MainWindow::redo()
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122 | {
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123 | infoLabel->setText(tr("Invoked <b>Edit|Redo</b>"));
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124 | }
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125 |
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126 | void MainWindow::cut()
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127 | {
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128 | infoLabel->setText(tr("Invoked <b>Edit|Cut</b>"));
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129 | }
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130 |
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131 | void MainWindow::copy()
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132 | {
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133 | infoLabel->setText(tr("Invoked <b>Edit|Copy</b>"));
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134 | }
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135 |
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136 | void MainWindow::paste()
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137 | {
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138 | infoLabel->setText(tr("Invoked <b>Edit|Paste</b>"));
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139 | }
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140 |
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141 | void MainWindow::bold()
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142 | {
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143 | infoLabel->setText(tr("Invoked <b>Edit|Format|Bold</b>"));
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144 | }
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145 |
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146 | void MainWindow::italic()
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147 | {
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148 | infoLabel->setText(tr("Invoked <b>Edit|Format|Italic</b>"));
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149 | }
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150 |
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151 | void MainWindow::leftAlign()
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152 | {
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153 | infoLabel->setText(tr("Invoked <b>Edit|Format|Left Align</b>"));
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154 | }
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155 |
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156 | void MainWindow::rightAlign()
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157 | {
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158 | infoLabel->setText(tr("Invoked <b>Edit|Format|Right Align</b>"));
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159 | }
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160 |
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161 | void MainWindow::justify()
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162 | {
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163 | infoLabel->setText(tr("Invoked <b>Edit|Format|Justify</b>"));
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164 | }
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165 |
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166 | void MainWindow::center()
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167 | {
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168 | infoLabel->setText(tr("Invoked <b>Edit|Format|Center</b>"));
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169 | }
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170 |
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171 | void MainWindow::setLineSpacing()
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172 | {
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173 | infoLabel->setText(tr("Invoked <b>Edit|Format|Set Line Spacing</b>"));
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174 | }
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175 |
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176 | void MainWindow::setParagraphSpacing()
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177 | {
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178 | infoLabel->setText(tr("Invoked <b>Edit|Format|Set Paragraph Spacing</b>"));
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179 | }
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180 |
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181 | void MainWindow::about()
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182 | {
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183 | infoLabel->setText(tr("Invoked <b>Help|About</b>"));
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184 | QMessageBox::about(this, tr("About Menu"),
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185 | tr("The <b>Menu</b> example shows how to create "
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186 | "menu-bar menus and context menus."));
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187 | }
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188 |
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189 | void MainWindow::aboutQt()
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190 | {
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191 | infoLabel->setText(tr("Invoked <b>Help|About Qt</b>"));
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192 | }
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193 |
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194 | //! [4]
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195 | void MainWindow::createActions()
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196 | {
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197 | //! [5]
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198 | newAct = new QAction(tr("&New"), this);
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199 | newAct->setShortcuts(QKeySequence::New);
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200 | newAct->setStatusTip(tr("Create a new file"));
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201 | connect(newAct, SIGNAL(triggered()), this, SLOT(newFile()));
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202 | //! [4]
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203 |
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204 | openAct = new QAction(tr("&Open..."), this);
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205 | openAct->setShortcuts(QKeySequence::Open);
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206 | openAct->setStatusTip(tr("Open an existing file"));
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207 | connect(openAct, SIGNAL(triggered()), this, SLOT(open()));
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208 | //! [5]
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209 |
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210 | saveAct = new QAction(tr("&Save"), this);
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211 | saveAct->setShortcuts(QKeySequence::Save);
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212 | saveAct->setStatusTip(tr("Save the document to disk"));
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213 | connect(saveAct, SIGNAL(triggered()), this, SLOT(save()));
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214 |
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215 | printAct = new QAction(tr("&Print..."), this);
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216 | printAct->setShortcuts(QKeySequence::Print);
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217 | printAct->setStatusTip(tr("Print the document"));
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218 | connect(printAct, SIGNAL(triggered()), this, SLOT(print()));
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219 |
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220 | exitAct = new QAction(tr("E&xit"), this);
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221 | exitAct->setShortcuts(QKeySequence::Quit);
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222 | exitAct->setStatusTip(tr("Exit the application"));
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223 | connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
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224 |
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225 | undoAct = new QAction(tr("&Undo"), this);
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226 | undoAct->setShortcuts(QKeySequence::Undo);
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227 | undoAct->setStatusTip(tr("Undo the last operation"));
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228 | connect(undoAct, SIGNAL(triggered()), this, SLOT(undo()));
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229 |
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230 | redoAct = new QAction(tr("&Redo"), this);
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231 | redoAct->setShortcuts(QKeySequence::Redo);
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232 | redoAct->setStatusTip(tr("Redo the last operation"));
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233 | connect(redoAct, SIGNAL(triggered()), this, SLOT(redo()));
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234 |
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235 | cutAct = new QAction(tr("Cu&t"), this);
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236 | cutAct->setShortcuts(QKeySequence::Cut);
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237 | cutAct->setStatusTip(tr("Cut the current selection's contents to the "
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238 | "clipboard"));
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239 | connect(cutAct, SIGNAL(triggered()), this, SLOT(cut()));
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240 |
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241 | copyAct = new QAction(tr("&Copy"), this);
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242 | copyAct->setShortcuts(QKeySequence::Copy);
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243 | copyAct->setStatusTip(tr("Copy the current selection's contents to the "
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244 | "clipboard"));
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245 | connect(copyAct, SIGNAL(triggered()), this, SLOT(copy()));
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246 |
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247 | pasteAct = new QAction(tr("&Paste"), this);
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248 | pasteAct->setShortcuts(QKeySequence::Paste);
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249 | pasteAct->setStatusTip(tr("Paste the clipboard's contents into the current "
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250 | "selection"));
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251 | connect(pasteAct, SIGNAL(triggered()), this, SLOT(paste()));
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252 |
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253 | boldAct = new QAction(tr("&Bold"), this);
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254 | boldAct->setCheckable(true);
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255 | boldAct->setShortcut(QKeySequence::Bold);
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256 | boldAct->setStatusTip(tr("Make the text bold"));
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257 | connect(boldAct, SIGNAL(triggered()), this, SLOT(bold()));
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258 |
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259 | QFont boldFont = boldAct->font();
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260 | boldFont.setBold(true);
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261 | boldAct->setFont(boldFont);
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262 |
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263 | italicAct = new QAction(tr("&Italic"), this);
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264 | italicAct->setCheckable(true);
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265 | italicAct->setShortcut(QKeySequence::Italic);
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266 | italicAct->setStatusTip(tr("Make the text italic"));
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267 | connect(italicAct, SIGNAL(triggered()), this, SLOT(italic()));
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268 |
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269 | QFont italicFont = italicAct->font();
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270 | italicFont.setItalic(true);
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271 | italicAct->setFont(italicFont);
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272 |
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273 | setLineSpacingAct = new QAction(tr("Set &Line Spacing..."), this);
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274 | setLineSpacingAct->setStatusTip(tr("Change the gap between the lines of a "
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275 | "paragraph"));
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276 | connect(setLineSpacingAct, SIGNAL(triggered()), this, SLOT(setLineSpacing()));
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277 |
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278 | setParagraphSpacingAct = new QAction(tr("Set &Paragraph Spacing..."), this);
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279 | setLineSpacingAct->setStatusTip(tr("Change the gap between paragraphs"));
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280 | connect(setParagraphSpacingAct, SIGNAL(triggered()),
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281 | this, SLOT(setParagraphSpacing()));
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282 |
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283 | aboutAct = new QAction(tr("&About"), this);
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284 | aboutAct->setStatusTip(tr("Show the application's About box"));
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285 | connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
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286 |
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287 | aboutQtAct = new QAction(tr("About &Qt"), this);
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288 | aboutQtAct->setStatusTip(tr("Show the Qt library's About box"));
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289 | connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
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290 | connect(aboutQtAct, SIGNAL(triggered()), this, SLOT(aboutQt()));
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291 |
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292 | leftAlignAct = new QAction(tr("&Left Align"), this);
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293 | leftAlignAct->setCheckable(true);
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294 | leftAlignAct->setShortcut(tr("Ctrl+L"));
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295 | leftAlignAct->setStatusTip(tr("Left align the selected text"));
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296 | connect(leftAlignAct, SIGNAL(triggered()), this, SLOT(leftAlign()));
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297 |
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298 | rightAlignAct = new QAction(tr("&Right Align"), this);
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299 | rightAlignAct->setCheckable(true);
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300 | rightAlignAct->setShortcut(tr("Ctrl+R"));
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301 | rightAlignAct->setStatusTip(tr("Right align the selected text"));
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302 | connect(rightAlignAct, SIGNAL(triggered()), this, SLOT(rightAlign()));
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303 |
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304 | justifyAct = new QAction(tr("&Justify"), this);
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305 | justifyAct->setCheckable(true);
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306 | justifyAct->setShortcut(tr("Ctrl+J"));
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307 | justifyAct->setStatusTip(tr("Justify the selected text"));
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308 | connect(justifyAct, SIGNAL(triggered()), this, SLOT(justify()));
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309 |
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310 | centerAct = new QAction(tr("&Center"), this);
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311 | centerAct->setCheckable(true);
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312 | centerAct->setShortcut(tr("Ctrl+E"));
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313 | centerAct->setStatusTip(tr("Center the selected text"));
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314 | connect(centerAct, SIGNAL(triggered()), this, SLOT(center()));
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315 |
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316 | //! [6] //! [7]
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317 | alignmentGroup = new QActionGroup(this);
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318 | alignmentGroup->addAction(leftAlignAct);
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319 | alignmentGroup->addAction(rightAlignAct);
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320 | alignmentGroup->addAction(justifyAct);
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321 | alignmentGroup->addAction(centerAct);
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322 | leftAlignAct->setChecked(true);
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323 | //! [6]
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324 | }
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325 | //! [7]
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326 |
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327 | //! [8]
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328 | void MainWindow::createMenus()
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329 | {
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330 | //! [9] //! [10]
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331 | fileMenu = menuBar()->addMenu(tr("&File"));
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332 | fileMenu->addAction(newAct);
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333 | //! [9]
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334 | fileMenu->addAction(openAct);
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335 | //! [10]
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336 | fileMenu->addAction(saveAct);
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337 | fileMenu->addAction(printAct);
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338 | //! [11]
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339 | fileMenu->addSeparator();
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340 | //! [11]
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341 | fileMenu->addAction(exitAct);
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342 |
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343 | editMenu = menuBar()->addMenu(tr("&Edit"));
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344 | editMenu->addAction(undoAct);
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345 | editMenu->addAction(redoAct);
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346 | editMenu->addSeparator();
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347 | editMenu->addAction(cutAct);
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348 | editMenu->addAction(copyAct);
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349 | editMenu->addAction(pasteAct);
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350 | editMenu->addSeparator();
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351 |
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352 | helpMenu = menuBar()->addMenu(tr("&Help"));
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353 | helpMenu->addAction(aboutAct);
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354 | helpMenu->addAction(aboutQtAct);
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355 | //! [8]
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356 |
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357 | //! [12]
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358 | formatMenu = editMenu->addMenu(tr("&Format"));
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359 | formatMenu->addAction(boldAct);
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360 | formatMenu->addAction(italicAct);
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361 | formatMenu->addSeparator()->setText(tr("Alignment"));
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362 | formatMenu->addAction(leftAlignAct);
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363 | formatMenu->addAction(rightAlignAct);
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364 | formatMenu->addAction(justifyAct);
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365 | formatMenu->addAction(centerAct);
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366 | formatMenu->addSeparator();
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367 | formatMenu->addAction(setLineSpacingAct);
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368 | formatMenu->addAction(setParagraphSpacingAct);
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369 | }
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370 | //! [12]
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