author | Eckhart Koeppen <eckhart.koppen@nokia.com> |
Thu, 08 Apr 2010 14:19:33 +0300 (2010-04-08) | |
branch | RCL_3 |
changeset 7 | 3f74d0d4af4c |
permissions | -rw-r--r-- |
7
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/**************************************************************************** |
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** |
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the documentation of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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|
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#include <QtGui> |
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|
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typedef QDialog WordCountDialog; |
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typedef QDialog FindDialog; |
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#define this 0 |
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#define setWordCount(x) isVisible() |
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|
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QString tr(const char *text) |
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{ |
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return QApplication::translate(text, text); |
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} |
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|
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class EditorWindow : public QMainWindow |
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{ |
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public: |
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void find(); |
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void countWords(); |
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|
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private: |
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FindDialog *findDialog; |
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}; |
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|
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//! [0] |
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void EditorWindow::find() |
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{ |
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if (!findDialog) { |
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findDialog = new FindDialog(this); |
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connect(findDialog, SIGNAL(findNext()), this, SLOT(findNext())); |
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} |
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|
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findDialog->show(); |
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findDialog->raise(); |
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findDialog->activateWindow(); |
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} |
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//! [0] |
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|
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//! [1] |
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void EditorWindow::countWords() |
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{ |
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WordCountDialog dialog(this); |
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dialog.setWordCount(document().wordCount()); |
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dialog.exec(); |
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} |
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//! [1] |
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|
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inline bool boo() |
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{ |
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QMessageBox::information(this, "Application name", |
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"Unable to find the user preferences file.\n" |
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qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
92 |
"The factory default will be used instead."); |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
93 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
94 |
QString filename; |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
95 |
if (QFile::exists(filename) && |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
96 |
QMessageBox::question( |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
97 |
this, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
98 |
tr("Overwrite File? -- Application Name"), |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
99 |
tr("A file called %1 already exists." |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
100 |
"Do you want to overwrite it?") |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
101 |
.arg(filename), |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
102 |
tr("&Yes"), tr("&No"), |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
103 |
QString(), 0, 1)) |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
104 |
return false; |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
105 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
106 |
switch(QMessageBox::warning(this, "Application name", |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
107 |
"Could not connect to the <mumble> server.\n" |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
108 |
"This program can't function correctly " |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
109 |
"without the server.\n\n", |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
110 |
"Retry", |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
111 |
"Quit", 0, 0, 1)) { |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
112 |
case 0: // The user clicked the Retry again button or pressed Enter |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
113 |
// try again |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
114 |
break; |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
115 |
case 1: // The user clicked the Quit or pressed Escape |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
116 |
// exit |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
117 |
break; |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
118 |
} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
119 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
120 |
switch(QMessageBox::information(this, "Application name here", |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
121 |
"The document contains unsaved changes\n" |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
122 |
"Do you want to save the changes before exiting?", |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
123 |
"&Save", "&Discard", "Cancel", |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
124 |
0, // Enter == button 0 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
125 |
2)) { // Escape == button 2 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
126 |
case 0: // Save clicked or Alt+S pressed or Enter pressed. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
127 |
// save |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
128 |
break; |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
129 |
case 1: // Discard clicked or Alt+D pressed |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
130 |
// don't save but exit |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
131 |
break; |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
132 |
case 2: // Cancel clicked or Escape pressed |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
133 |
// don't exit |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
134 |
break; |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
135 |
} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
136 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
137 |
switch(QMessageBox::warning(this, "Application name here", |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
138 |
"Could not save the user preferences,\n" |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
139 |
"because the disk is full. You can delete\n" |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
140 |
"some files and press Retry, or you can\n" |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
141 |
"abort the Save Preferences operation.", |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
142 |
QMessageBox::Retry | QMessageBox::Default, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
143 |
QMessageBox::Abort | QMessageBox::Escape)) { |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
144 |
case QMessageBox::Retry: // Retry clicked or Enter pressed |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
145 |
// try again |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
146 |
break; |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
147 |
case QMessageBox::Abort: // Abort clicked or Escape pressed |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
148 |
// abort |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
149 |
break; |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
150 |
} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
151 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
152 |
QString errorDetails; |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
153 |
QMessageBox::critical(0, "Application name here", |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
154 |
QString("An internal error occurred. Please ") + |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
155 |
"call technical support at 1234-56789 and report\n"+ |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
156 |
"these numbers:\n\n" + errorDetails + |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
157 |
"\n\nApplication will now exit."); |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
158 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
159 |
QMessageBox::about(this, "About <Application>", |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
160 |
"<Application> is a <one-paragraph blurb>\n\n" |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
161 |
"Copyright 1991-2003 Such-and-such. " |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
162 |
"<License words here.>\n\n" |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
163 |
"For technical support, call 1234-56789 or see\n" |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
164 |
"http://www.such-and-such.com/Application/\n"); |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
165 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
166 |
{ |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
167 |
// saving the file |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
168 |
QMessageBox mb("Application name here", |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
169 |
"Saving the file will overwrite the original file on the disk.\n" |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
170 |
"Do you really want to save?", |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
171 |
QMessageBox::Information, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
172 |
QMessageBox::Yes | QMessageBox::Default, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
173 |
QMessageBox::No, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
174 |
QMessageBox::Cancel | QMessageBox::Escape); |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
175 |
mb.setButtonText(QMessageBox::Yes, "Save"); |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
176 |
mb.setButtonText(QMessageBox::No, "Discard"); |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
177 |
switch(mb.exec()) { |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
178 |
case QMessageBox::Yes: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
179 |
// save and exit |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
180 |
break; |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
181 |
case QMessageBox::No: |
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182 |
// exit without saving |
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183 |
break; |
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184 |
case QMessageBox::Cancel: |
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185 |
// don't save and don't exit |
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186 |
break; |
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187 |
} |
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188 |
} |
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189 |
|
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190 |
{ |
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191 |
// hardware failure |
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192 |
//! [2] |
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193 |
QMessageBox mb("Application Name", |
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194 |
"Hardware failure.\n\nDisk error detected\nDo you want to stop?", |
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195 |
QMessageBox::Question, |
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196 |
QMessageBox::Yes | QMessageBox::Default, |
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197 |
QMessageBox::No | QMessageBox::Escape, |
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198 |
QMessageBox::NoButton); |
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199 |
if (mb.exec() == QMessageBox::No) { |
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200 |
// try again |
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201 |
//! [2] |
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202 |
} |
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203 |
} |
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204 |
} |
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205 |
|
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206 |
inline void moo() |
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207 |
{ |
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208 |
int numFiles; |
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209 |
//! [3] |
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210 |
QProgressDialog progress("Copying files...", "Abort Copy", 0, numFiles, this); |
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211 |
progress.setWindowModality(Qt::WindowModal); |
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212 |
|
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213 |
for (int i = 0; i < numFiles; i++) { |
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214 |
progress.setValue(i); |
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215 |
|
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216 |
if (progress.wasCanceled()) |
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217 |
break; |
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218 |
//... copy one file |
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219 |
} |
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220 |
progress.setValue(numFiles); |
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221 |
//! [3] |
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222 |
} |
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223 |
|
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224 |
class Operation : public QObject |
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225 |
{ |
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226 |
public: |
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227 |
Operation(QObject *parent); |
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228 |
void perform(); |
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229 |
void cancel(); |
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230 |
|
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231 |
private: |
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232 |
int steps; |
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233 |
QProgressDialog *pd; |
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|
234 |
QTimer *t; |
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235 |
}; |
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|
236 |
|
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|
237 |
//! [4] |
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|
238 |
// Operation constructor |
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|
239 |
Operation::Operation(QObject *parent) |
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|
240 |
: QObject(parent), steps(0) |
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|
241 |
{ |
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|
242 |
pd = new QProgressDialog("Operation in progress.", "Cancel", 0, 100); |
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|
243 |
connect(pd, SIGNAL(canceled()), this, SLOT(cancel())); |
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|
244 |
t = new QTimer(this); |
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|
245 |
connect(t, SIGNAL(timeout()), this, SLOT(perform())); |
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|
246 |
t->start(0); |
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247 |
} |
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|
248 |
//! [4] //! [5] |
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249 |
|
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|
250 |
void Operation::perform() |
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|
251 |
{ |
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|
252 |
pd->setValue(steps); |
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|
253 |
//... perform one percent of the operation |
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|
254 |
steps++; |
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|
255 |
if (steps > pd->maximum()) |
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|
256 |
t->stop(); |
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|
257 |
} |
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|
258 |
//! [5] //! [6] |
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|
259 |
|
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|
260 |
void Operation::cancel() |
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|
261 |
{ |
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|
262 |
t->stop(); |
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|
263 |
//... cleanup |
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|
264 |
} |
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|
265 |
//! [6] |
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|
266 |
|
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|
267 |
int main() |
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|
268 |
{ |
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|
269 |
} |