source: trunk/examples/mainwindows/dockwidgets/mainwindow.cpp@ 992

Last change on this file since 992 was 846, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.
File size: 11.7 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2011 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** $QT_BEGIN_LICENSE:BSD$
10** You may use this file under the terms of the BSD license as follows:
11**
12** "Redistribution and use in source and binary forms, with or without
13** modification, are permitted provided that the following conditions are
14** met:
15** * Redistributions of source code must retain the above copyright
16** notice, this list of conditions and the following disclaimer.
17** * Redistributions in binary form must reproduce the above copyright
18** notice, this list of conditions and the following disclaimer in
19** the documentation and/or other materials provided with the
20** distribution.
21** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
22** the names of its contributors may be used to endorse or promote
23** products derived from this software without specific prior written
24** permission.
25**
26** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
37** $QT_END_LICENSE$
38**
39****************************************************************************/
40
41//! [0]
42#include <QtGui>
43
44#include "mainwindow.h"
45//! [0]
46
47//! [1]
48MainWindow::MainWindow()
49{
50 textEdit = new QTextEdit;
51 setCentralWidget(textEdit);
52
53 createActions();
54 createMenus();
55 createToolBars();
56 createStatusBar();
57 createDockWindows();
58
59 setWindowTitle(tr("Dock Widgets"));
60
61 newLetter();
62 setUnifiedTitleAndToolBarOnMac(true);
63}
64//! [1]
65
66//! [2]
67void MainWindow::newLetter()
68{
69 textEdit->clear();
70
71 QTextCursor cursor(textEdit->textCursor());
72 cursor.movePosition(QTextCursor::Start);
73 QTextFrame *topFrame = cursor.currentFrame();
74 QTextFrameFormat topFrameFormat = topFrame->frameFormat();
75 topFrameFormat.setPadding(16);
76 topFrame->setFrameFormat(topFrameFormat);
77
78 QTextCharFormat textFormat;
79 QTextCharFormat boldFormat;
80 boldFormat.setFontWeight(QFont::Bold);
81 QTextCharFormat italicFormat;
82 italicFormat.setFontItalic(true);
83
84 QTextTableFormat tableFormat;
85 tableFormat.setBorder(1);
86 tableFormat.setCellPadding(16);
87 tableFormat.setAlignment(Qt::AlignRight);
88 cursor.insertTable(1, 1, tableFormat);
89 cursor.insertText("The Firm", boldFormat);
90 cursor.insertBlock();
91 cursor.insertText("321 City Street", textFormat);
92 cursor.insertBlock();
93 cursor.insertText("Industry Park");
94 cursor.insertBlock();
95 cursor.insertText("Some Country");
96 cursor.setPosition(topFrame->lastPosition());
97 cursor.insertText(QDate::currentDate().toString("d MMMM yyyy"), textFormat);
98 cursor.insertBlock();
99 cursor.insertBlock();
100 cursor.insertText("Dear ", textFormat);
101 cursor.insertText("NAME", italicFormat);
102 cursor.insertText(",", textFormat);
103 for (int i = 0; i < 3; ++i)
104 cursor.insertBlock();
105 cursor.insertText(tr("Yours sincerely,"), textFormat);
106 for (int i = 0; i < 3; ++i)
107 cursor.insertBlock();
108 cursor.insertText("The Boss", textFormat);
109 cursor.insertBlock();
110 cursor.insertText("ADDRESS", italicFormat);
111}
112//! [2]
113
114//! [3]
115void MainWindow::print()
116{
117#ifndef QT_NO_PRINTDIALOG
118 QTextDocument *document = textEdit->document();
119 QPrinter printer;
120
121 QPrintDialog *dlg = new QPrintDialog(&printer, this);
122 if (dlg->exec() != QDialog::Accepted)
123 return;
124
125 document->print(&printer);
126
127 statusBar()->showMessage(tr("Ready"), 2000);
128#endif
129}
130//! [3]
131
132//! [4]
133void MainWindow::save()
134{
135 QString fileName = QFileDialog::getSaveFileName(this,
136 tr("Choose a file name"), ".",
137 tr("HTML (*.html *.htm)"));
138 if (fileName.isEmpty())
139 return;
140 QFile file(fileName);
141 if (!file.open(QFile::WriteOnly | QFile::Text)) {
142 QMessageBox::warning(this, tr("Dock Widgets"),
143 tr("Cannot write file %1:\n%2.")
144 .arg(fileName)
145 .arg(file.errorString()));
146 return;
147 }
148
149 QTextStream out(&file);
150 QApplication::setOverrideCursor(Qt::WaitCursor);
151 out << textEdit->toHtml();
152 QApplication::restoreOverrideCursor();
153
154 statusBar()->showMessage(tr("Saved '%1'").arg(fileName), 2000);
155}
156//! [4]
157
158//! [5]
159void MainWindow::undo()
160{
161 QTextDocument *document = textEdit->document();
162 document->undo();
163}
164//! [5]
165
166//! [6]
167void MainWindow::insertCustomer(const QString &customer)
168{
169 if (customer.isEmpty())
170 return;
171 QStringList customerList = customer.split(", ");
172 QTextDocument *document = textEdit->document();
173 QTextCursor cursor = document->find("NAME");
174 if (!cursor.isNull()) {
175 cursor.beginEditBlock();
176 cursor.insertText(customerList.at(0));
177 QTextCursor oldcursor = cursor;
178 cursor = document->find("ADDRESS");
179 if (!cursor.isNull()) {
180 for (int i = 1; i < customerList.size(); ++i) {
181 cursor.insertBlock();
182 cursor.insertText(customerList.at(i));
183 }
184 cursor.endEditBlock();
185 }
186 else
187 oldcursor.endEditBlock();
188 }
189}
190//! [6]
191
192//! [7]
193void MainWindow::addParagraph(const QString &paragraph)
194{
195 if (paragraph.isEmpty())
196 return;
197 QTextDocument *document = textEdit->document();
198 QTextCursor cursor = document->find(tr("Yours sincerely,"));
199 if (cursor.isNull())
200 return;
201 cursor.beginEditBlock();
202 cursor.movePosition(QTextCursor::PreviousBlock, QTextCursor::MoveAnchor, 2);
203 cursor.insertBlock();
204 cursor.insertText(paragraph);
205 cursor.insertBlock();
206 cursor.endEditBlock();
207
208}
209//! [7]
210
211void MainWindow::about()
212{
213 QMessageBox::about(this, tr("About Dock Widgets"),
214 tr("The <b>Dock Widgets</b> example demonstrates how to "
215 "use Qt's dock widgets. You can enter your own text, "
216 "click a customer to add a customer name and "
217 "address, and click standard paragraphs to add them."));
218}
219
220void MainWindow::createActions()
221{
222 newLetterAct = new QAction(QIcon(":/images/new.png"), tr("&New Letter"),
223 this);
224 newLetterAct->setShortcuts(QKeySequence::New);
225 newLetterAct->setStatusTip(tr("Create a new form letter"));
226 connect(newLetterAct, SIGNAL(triggered()), this, SLOT(newLetter()));
227
228 saveAct = new QAction(QIcon(":/images/save.png"), tr("&Save..."), this);
229 saveAct->setShortcuts(QKeySequence::Save);
230 saveAct->setStatusTip(tr("Save the current form letter"));
231 connect(saveAct, SIGNAL(triggered()), this, SLOT(save()));
232
233 printAct = new QAction(QIcon(":/images/print.png"), tr("&Print..."), this);
234 printAct->setShortcuts(QKeySequence::Print);
235 printAct->setStatusTip(tr("Print the current form letter"));
236 connect(printAct, SIGNAL(triggered()), this, SLOT(print()));
237
238 undoAct = new QAction(QIcon(":/images/undo.png"), tr("&Undo"), this);
239 undoAct->setShortcuts(QKeySequence::Undo);
240 undoAct->setStatusTip(tr("Undo the last editing action"));
241 connect(undoAct, SIGNAL(triggered()), this, SLOT(undo()));
242
243 quitAct = new QAction(tr("&Quit"), this);
244 quitAct->setShortcuts(QKeySequence::Quit);
245 quitAct->setStatusTip(tr("Quit the application"));
246 connect(quitAct, SIGNAL(triggered()), this, SLOT(close()));
247
248 aboutAct = new QAction(tr("&About"), this);
249 aboutAct->setStatusTip(tr("Show the application's About box"));
250 connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
251
252 aboutQtAct = new QAction(tr("About &Qt"), this);
253 aboutQtAct->setStatusTip(tr("Show the Qt library's About box"));
254 connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
255}
256
257void MainWindow::createMenus()
258{
259 fileMenu = menuBar()->addMenu(tr("&File"));
260 fileMenu->addAction(newLetterAct);
261 fileMenu->addAction(saveAct);
262 fileMenu->addAction(printAct);
263 fileMenu->addSeparator();
264 fileMenu->addAction(quitAct);
265
266 editMenu = menuBar()->addMenu(tr("&Edit"));
267 editMenu->addAction(undoAct);
268
269 viewMenu = menuBar()->addMenu(tr("&View"));
270
271 menuBar()->addSeparator();
272
273 helpMenu = menuBar()->addMenu(tr("&Help"));
274 helpMenu->addAction(aboutAct);
275 helpMenu->addAction(aboutQtAct);
276}
277
278void MainWindow::createToolBars()
279{
280 fileToolBar = addToolBar(tr("File"));
281 fileToolBar->addAction(newLetterAct);
282 fileToolBar->addAction(saveAct);
283 fileToolBar->addAction(printAct);
284
285 editToolBar = addToolBar(tr("Edit"));
286 editToolBar->addAction(undoAct);
287}
288
289//! [8]
290void MainWindow::createStatusBar()
291{
292 statusBar()->showMessage(tr("Ready"));
293}
294//! [8]
295
296//! [9]
297void MainWindow::createDockWindows()
298{
299 QDockWidget *dock = new QDockWidget(tr("Customers"), this);
300 dock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
301 customerList = new QListWidget(dock);
302 customerList->addItems(QStringList()
303 << "John Doe, Harmony Enterprises, 12 Lakeside, Ambleton"
304 << "Jane Doe, Memorabilia, 23 Watersedge, Beaton"
305 << "Tammy Shea, Tiblanka, 38 Sea Views, Carlton"
306 << "Tim Sheen, Caraba Gifts, 48 Ocean Way, Deal"
307 << "Sol Harvey, Chicos Coffee, 53 New Springs, Eccleston"
308 << "Sally Hobart, Tiroli Tea, 67 Long River, Fedula");
309 dock->setWidget(customerList);
310 addDockWidget(Qt::RightDockWidgetArea, dock);
311 viewMenu->addAction(dock->toggleViewAction());
312
313 dock = new QDockWidget(tr("Paragraphs"), this);
314 paragraphsList = new QListWidget(dock);
315 paragraphsList->addItems(QStringList()
316 << "Thank you for your payment which we have received today."
317 << "Your order has been dispatched and should be with you "
318 "within 28 days."
319 << "We have dispatched those items that were in stock. The "
320 "rest of your order will be dispatched once all the "
321 "remaining items have arrived at our warehouse. No "
322 "additional shipping charges will be made."
323 << "You made a small overpayment (less than $5) which we "
324 "will keep on account for you, or return at your request."
325 << "You made a small underpayment (less than $1), but we have "
326 "sent your order anyway. We'll add this underpayment to "
327 "your next bill."
328 << "Unfortunately you did not send enough money. Please remit "
329 "an additional $. Your order will be dispatched as soon as "
330 "the complete amount has been received."
331 << "You made an overpayment (more than $5). Do you wish to "
332 "buy more items, or should we return the excess to you?");
333 dock->setWidget(paragraphsList);
334 addDockWidget(Qt::RightDockWidgetArea, dock);
335 viewMenu->addAction(dock->toggleViewAction());
336
337 connect(customerList, SIGNAL(currentTextChanged(QString)),
338 this, SLOT(insertCustomer(QString)));
339 connect(paragraphsList, SIGNAL(currentTextChanged(QString)),
340 this, SLOT(addParagraph(QString)));
341}
342//! [9]
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