source: trunk/doc/src/snippets/dragging/mainwindow.cpp@ 5

Last change on this file since 5 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 3.9 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the documentation of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
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24** additional rights. These rights are described in the Nokia Qt LGPL
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28** GNU General Public License Usage
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30** General Public License version 3.0 as published by the Free Software
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40****************************************************************************/
41
42#include <QtGui>
43
44#include "mainwindow.h"
45
46MainWindow::MainWindow(QWidget *parent)
47 : QMainWindow(parent)
48{
49 QFrame *centralFrame = new QFrame(this);
50
51 QLabel *nameLabel = new QLabel(tr("Comment:"), centralFrame);
52 commentEdit = new QTextEdit(centralFrame);
53 QLabel *dragLabel = new QLabel(tr("<p>Drag the icon to a filer "
54 "window or the desktop background:</p>"),
55 centralFrame);
56 iconLabel = new QLabel(centralFrame);
57 iconPixmap.load(":/images/file.png");
58 iconLabel->setPixmap(iconPixmap);
59
60 QGridLayout *grid = new QGridLayout(centralFrame);
61 grid->addWidget(nameLabel, 0, 0);
62 grid->addWidget(commentEdit, 1, 0, 1, 2);
63 grid->addWidget(dragLabel, 2, 0);
64 grid->addWidget(iconLabel, 2, 1);
65
66 statusBar();
67 setCentralWidget(centralFrame);
68 setWindowTitle(tr("Dragging"));
69}
70
71//! [0]
72void MainWindow::mousePressEvent(QMouseEvent *event)
73{
74 if (event->button() == Qt::LeftButton
75 && iconLabel->geometry().contains(event->pos())) {
76
77//! [1]
78 QDrag *drag = new QDrag(this);
79 QMimeData *mimeData = new QMimeData;
80
81 mimeData->setText(commentEdit->toPlainText());
82 drag->setMimeData(mimeData);
83//! [1]
84 drag->setPixmap(iconPixmap);
85
86 Qt::DropAction dropAction = drag->exec();
87//! [0]
88
89 QString actionText;
90 switch (dropAction) {
91 case Qt::CopyAction:
92 actionText = tr("The text was copied.");
93 break;
94 case Qt::MoveAction:
95 actionText = tr("The text was moved.");
96 break;
97 case Qt::LinkAction:
98 actionText = tr("The text was linked.");
99 break;
100 case Qt::IgnoreAction:
101 actionText = tr("The drag was ignored.");
102 break;
103 default:
104 actionText = tr("Unknown action.");
105 break;
106 }
107 statusBar()->showMessage(actionText);
108//! [2]
109 }
110}
111//! [2]
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