~oif-team/ubuntu/natty/qt4-x11/xi2.1

<td width="1">  </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="annotated.html"><font color="#004faf">Annotated</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td>

<td align="right" valign="top" width="230"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></td></tr></table><h1 align="center">complexwizard.cpp Example File<br /><small><small>dialogs/complexwizard/complexwizard.cpp</small></small></h1>

<pre>  /****************************************************************************

** This file is part of the documentation of the Qt Toolkit.

** This file may be distributed under the terms of the Q Public License

** as defined by Trolltech AS of Norway and appearing in the file

** LICENSE.QPL included in the packaging of this file.

** This file may be distributed and/or modified under the terms of the

** GNU General Public License version 2 as published by the Free Software

** Foundation and appearing in the file LICENSE.GPL included in the

** packaging of this file.

** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for

** information about Qt Commercial License Agreements.

** See http://www.trolltech.com/qpl/ for QPL licensing information.

** See http://www.trolltech.com/gpl/ for GPL licensing information.

** Contact info@trolltech.com if any conditions of this licensing are

** not clear to you.

** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE

** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

****************************************************************************/

#include <QtGui>

#include "complexwizard.h"

ComplexWizard::ComplexWizard(QWidget *parent)

: QDialog(parent)

{

cancelButton = new QPushButton(tr("Cancel"));

backButton = new QPushButton(tr("< &Back"));

nextButton = new QPushButton(tr("Next >"));

finishButton = new QPushButton(tr("&Finish"));

connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()));

connect(backButton, SIGNAL(clicked()), this, SLOT(backButtonClicked()));

connect(nextButton, SIGNAL(clicked()), this, SLOT(nextButtonClicked()));

connect(finishButton, SIGNAL(clicked()), this, SLOT(accept()));

buttonLayout = new QHBoxLayout;

buttonLayout->addStretch(1);

buttonLayout->addWidget(cancelButton);

buttonLayout->addWidget(backButton);

buttonLayout->addWidget(nextButton);

buttonLayout->addWidget(finishButton);

mainLayout = new QVBoxLayout;

mainLayout->addLayout(buttonLayout);

setLayout(mainLayout);

}

void ComplexWizard::setFirstPage(WizardPage *page)

{

page->resetPage();

history.append(page);

switchPage(0);

}

void ComplexWizard::backButtonClicked()

{

WizardPage *oldPage = history.takeLast();

oldPage->resetPage();

switchPage(oldPage);

}

void ComplexWizard::nextButtonClicked()

{

WizardPage *oldPage = history.last();

WizardPage *newPage = oldPage->nextPage();

newPage->resetPage();

history.append(newPage);

switchPage(oldPage);

}

100

void ComplexWizard::completeStateChanged()

101

{

102

WizardPage *currentPage = history.last();

103

if (currentPage->isLastPage())

104

finishButton->setEnabled(currentPage->isComplete());

105

else

106

nextButton->setEnabled(currentPage->isComplete());

107

}

108

109

void ComplexWizard::switchPage(WizardPage *oldPage)

110

{

111

if (oldPage) {

112

oldPage->hide();

113

mainLayout->removeWidget(oldPage);

114

disconnect(oldPage, SIGNAL(completeStateChanged()),

115

this, SLOT(completeStateChanged()));

116

}

117

118

WizardPage *newPage = history.last();

119

mainLayout->insertWidget(0, newPage);

120

newPage->show();

121

newPage->setFocus();

122

connect(newPage, SIGNAL(completeStateChanged()),

123

this, SLOT(completeStateChanged()));

124

125

backButton->setEnabled(history.size() != 1);

126

if (newPage->isLastPage()) {

127

nextButton->setEnabled(false);

128

finishButton->setDefault(true);

129

} else {

130

nextButton->setDefault(true);

131

finishButton->setEnabled(false);

132

}

133

completeStateChanged();

134

}

135

136

WizardPage::WizardPage(QWidget *parent)

137

: QWidget(parent)

138

{

139

hide();

140

}

141

142

void WizardPage::resetPage()

143

{

144

}

145

146

WizardPage *WizardPage::nextPage()

147

{

148

return 0;

149

}

150

151

bool WizardPage::isLastPage()

152

{

153

return false;

154

}

155

156

bool WizardPage::isComplete()

157

{

158

return true;

159

}</pre>

160

161

162

163

<td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td>

164

165

</tr></table></div></address></body>

166

</html>

Older »