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Diffstat (limited to 'doc/src/snippets/dialogs/dialogs.cpp')
| -rw-r--r-- | doc/src/snippets/dialogs/dialogs.cpp | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/doc/src/snippets/dialogs/dialogs.cpp b/doc/src/snippets/dialogs/dialogs.cpp deleted file mode 100644 index 78916f862c..0000000000 --- a/doc/src/snippets/dialogs/dialogs.cpp +++ /dev/null @@ -1,268 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** 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 Nokia Corporation and its Subsidiary(-ies) 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> - -typedef QDialog WordCountDialog; -typedef QDialog FindDialog; - -#define this 0 -#define setWordCount(x) isVisible() - -QString tr(const char *text) -{ - return QApplication::translate(text, text); -} - -class EditorWindow : public QMainWindow -{ -public: - void find(); - void countWords(); - -private: - FindDialog *findDialog; -}; - -//! [0] -void EditorWindow::find() -{ - if (!findDialog) { - findDialog = new FindDialog(this); - connect(findDialog, SIGNAL(findNext()), this, SLOT(findNext())); - } - - findDialog->show(); - findDialog->raise(); - findDialog->activateWindow(); -} -//! [0] - -//! [1] -void EditorWindow::countWords() -{ - WordCountDialog dialog(this); - dialog.setWordCount(document().wordCount()); - dialog.exec(); -} -//! [1] - -inline bool boo() -{ - QMessageBox::information(this, "Application name", - "Unable to find the user preferences file.\n" - "The factory default will be used instead."); - - QString filename; - if (QFile::exists(filename) && - QMessageBox::question( - this, - tr("Overwrite File? -- Application Name"), - tr("A file called %1 already exists." - "Do you want to overwrite it?") - .arg(filename), - tr("&Yes"), tr("&No"), - QString(), 0, 1)) - return false; - - switch(QMessageBox::warning(this, "Application name", - "Could not connect to the <mumble> server.\n" - "This program can't function correctly " - "without the server.\n\n", - "Retry", - "Quit", 0, 0, 1)) { - case 0: // The user clicked the Retry again button or pressed Enter - // try again - break; - case 1: // The user clicked the Quit or pressed Escape - // exit - break; - } - - switch(QMessageBox::information(this, "Application name here", - "The document contains unsaved changes\n" - "Do you want to save the changes before exiting?", - "&Save", "&Discard", "Cancel", - 0, // Enter == button 0 - 2)) { // Escape == button 2 - case 0: // Save clicked or Alt+S pressed or Enter pressed. - // save - break; - case 1: // Discard clicked or Alt+D pressed - // don't save but exit - break; - case 2: // Cancel clicked or Escape pressed - // don't exit - break; - } - - switch(QMessageBox::warning(this, "Application name here", - "Could not save the user preferences,\n" - "because the disk is full. You can delete\n" - "some files and press Retry, or you can\n" - "abort the Save Preferences operation.", - QMessageBox::Retry | QMessageBox::Default, - QMessageBox::Abort | QMessageBox::Escape)) { - case QMessageBox::Retry: // Retry clicked or Enter pressed - // try again - break; - case QMessageBox::Abort: // Abort clicked or Escape pressed - // abort - break; - } - - QString errorDetails; - QMessageBox::critical(0, "Application name here", - QString("An internal error occurred. Please ") + - "call technical support at 1234-56789 and report\n"+ - "these numbers:\n\n" + errorDetails + - "\n\nApplication will now exit."); - - QMessageBox::about(this, "About <Application>", - "<Application> is a <one-paragraph blurb>\n\n" - "Copyright 1991-2003 Such-and-such. " - "<License words here.>\n\n" - "For technical support, call 1234-56789 or see\n" - "http://www.such-and-such.com/Application/\n"); - - { - // saving the file - QMessageBox mb("Application name here", - "Saving the file will overwrite the original file on the disk.\n" - "Do you really want to save?", - QMessageBox::Information, - QMessageBox::Yes | QMessageBox::Default, - QMessageBox::No, - QMessageBox::Cancel | QMessageBox::Escape); - mb.setButtonText(QMessageBox::Yes, "Save"); - mb.setButtonText(QMessageBox::No, "Discard"); - switch(mb.exec()) { - case QMessageBox::Yes: - // save and exit - break; - case QMessageBox::No: - // exit without saving - break; - case QMessageBox::Cancel: - // don't save and don't exit - break; - } - } - - { - // hardware failure -//! [2] - QMessageBox mb("Application Name", - "Hardware failure.\n\nDisk error detected\nDo you want to stop?", - QMessageBox::Question, - QMessageBox::Yes | QMessageBox::Default, - QMessageBox::No | QMessageBox::Escape, - QMessageBox::NoButton); - if (mb.exec() == QMessageBox::No) { - // try again -//! [2] - } - } -} - -inline void moo() -{ - int numFiles; -//! [3] - QProgressDialog progress("Copying files...", "Abort Copy", 0, numFiles, this); - progress.setWindowModality(Qt::WindowModal); - - for (int i = 0; i < numFiles; i++) { - progress.setValue(i); - - if (progress.wasCanceled()) - break; - //... copy one file - } - progress.setValue(numFiles); -//! [3] -} - -class Operation : public QObject -{ -public: - Operation(QObject *parent); - void perform(); - void cancel(); - -private: - int steps; - QProgressDialog *pd; - QTimer *t; -}; - -//! [4] -// Operation constructor -Operation::Operation(QObject *parent) - : QObject(parent), steps(0) -{ - pd = new QProgressDialog("Operation in progress.", "Cancel", 0, 100); - connect(pd, SIGNAL(canceled()), this, SLOT(cancel())); - t = new QTimer(this); - connect(t, SIGNAL(timeout()), this, SLOT(perform())); - t->start(0); -} -//! [4] //! [5] - -void Operation::perform() -{ - pd->setValue(steps); - //... perform one percent of the operation - steps++; - if (steps > pd->maximum()) - t->stop(); -} -//! [5] //! [6] - -void Operation::cancel() -{ - t->stop(); - //... cleanup -} -//! [6] - -int main() -{ -} |