1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
MainWindow::MainWindow()
{
QMenu *fileMenu = new QMenu(tr("&File"));
QAction *quitAction = fileMenu->addAction(tr("E&xit"));
quitAction->setShortcut(tr("Ctrl+Q"));
QMenu *tableMenu = new QMenu(tr("&Table"));
QAction *tableWidthAction = tableMenu->addAction(tr("Change Table &Width"));
QAction *tableHeightAction = tableMenu->addAction(tr("Change Table &Height"));
menuBar()->addMenu(fileMenu);
menuBar()->addMenu(tableMenu);
//! [0]
tableWidget = new QTableWidget(this);
//! [0]
tableWidget->setSelectionMode(QAbstractItemView::ExtendedSelection);
connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
connect(tableWidthAction, SIGNAL(triggered()), this, SLOT(changeWidth()));
connect(tableHeightAction, SIGNAL(triggered()), this, SLOT(changeHeight()));
setupTableItems();
setCentralWidget(tableWidget);
setWindowTitle(tr("Table Widget Resizing"));
}
void MainWindow::setupTableItems()
{
//! [1]
tableWidget->setRowCount(10);
tableWidget->setColumnCount(5);
//! [1]
for (int row = 0; row < tableWidget->rowCount(); ++row) {
for (int column = 0; column < tableWidget->columnCount(); ++column) {
//! [2]
QTableWidgetItem *newItem = new QTableWidgetItem(tr("%1").arg(
(row+1)*(column+1)));
tableWidget->setItem(row, column, newItem);
//! [2]
}
}
}
void MainWindow::changeWidth()
{
bool ok;
int newWidth = QInputDialog::getInteger(this, tr("Change table width"),
tr("Input the number of columns required (1-20):"),
tableWidget->columnCount(), 1, 20, 1, &ok);
if (ok)
tableWidget->setColumnCount(newWidth);
}
void MainWindow::changeHeight()
{
bool ok;
int newHeight = QInputDialog::getInteger(this, tr("Change table height"),
tr("Input the number of rows required (1-20):"),
tableWidget->rowCount(), 1, 20, 1, &ok);
if (ok)
tableWidget->setRowCount(newHeight);
}
|
