diff options
| -rw-r--r-- | doc/src/getting-started/gettingstartedqt.qdoc | 224 | ||||
| -rwxr-xr-x | examples/tutorials/gettingStarted/gsQt/gsqt.pro | 3 | ||||
| -rwxr-xr-x | examples/tutorials/gettingStarted/gsQt/part1/main.cpp | 39 | ||||
| -rwxr-xr-x | examples/tutorials/gettingStarted/gsQt/part2/main.cpp | 39 | ||||
| -rwxr-xr-x | examples/tutorials/gettingStarted/gsQt/part3/main.cpp | 39 | ||||
| -rwxr-xr-x | examples/tutorials/gettingStarted/gsQt/part4/main.cpp | 39 | ||||
| -rwxr-xr-x | examples/tutorials/gettingStarted/gsQt/part5/main.cpp | 117 | ||||
| -rwxr-xr-x | examples/tutorials/gettingStarted/gsQt/part6/main.cpp | 95 | ||||
| -rwxr-xr-x | examples/tutorials/gettingStarted/gsQt/part6/part6.pro | 9 |
9 files changed, 344 insertions, 260 deletions
diff --git a/doc/src/getting-started/gettingstartedqt.qdoc b/doc/src/getting-started/gettingstartedqt.qdoc index 2800be0..18f85f1 100644 --- a/doc/src/getting-started/gettingstartedqt.qdoc +++ b/doc/src/getting-started/gettingstartedqt.qdoc @@ -105,12 +105,13 @@ This will leave an executable in the \c part1 directory (note that on Windows, you may have to use \c nmake instead of \c make. Also, - the executable will be placed in part1/debug or part1/release). \c - qmake is Qt's build tool, which takes a configuration file. \c - qmake generates this for us when given the \c{-project} argument. - Given the configuration file (suffixed .pro), \c qmake produces a - \c make file that will build the program for you. We will look - into writing our own \c .pro files later. + the executable will be placed in part1\\debug or part1\\release + (these directories are created when you run \c make). \c qmake is + Qt's build tool, which takes a configuration file. \c qmake + generates this for us when given the \c{-project} argument. Given + the configuration file (suffixed .pro), \c qmake produces a \c + make file that will build the program for you. We will look into + writing our own \c .pro files later. \section2 Learn More @@ -245,28 +246,28 @@ parameter types and invoke it. Line 13 declares the slot \c quit(). This is easy using the \c - slots macro. The \c quit() slot can now be connected to signals - with a matching signature (any signal that takes no parameters). + slots macro. The \c quit() slot can now be connected to signals. + We will do that later. Instead of setting up the GUI and connecting the slot in the \c main() function, we now use \c{Notepad}'s constructor. \code - Notepad::Notepad() - { - textEdit = new QTextEdit; - quitButton = new QPushButton(tr("Quit")); - - connect(quitButton, SIGNAL(clicked()), this, SLOT(quit())); - - QVBoxLayout *layout = new QVBoxLayout; - layout->addWidget(textEdit); - layout->addWidget(quitButton); - - setLayout(layout); - - setWindowTitle(tr("Notepad")); - } +20 Notepad::Notepad() +21 { +22 textEdit = new QTextEdit; +23 quitButton = new QPushButton(tr("Quit")); +24 +25 connect(quitButton, SIGNAL(clicked()), this, SLOT(quit())); +26 +27 QVBoxLayout *layout = new QVBoxLayout; +28 layout->addWidget(textEdit); +29 layout->addWidget(quitButton); +30 +31 setLayout(layout); +32 +33 setWindowTitle(tr("Notepad")); +34 } \endcode As you saw in the class definition, we use pointers to our \l @@ -277,7 +278,9 @@ visible strings. This function is necessary when you want to provide your application in more than one language (e.g. English and Chinese). We will not go into details here, but you can follow - the \c {Qt Linguist} link from the learn more table. + the \c {Qt Linguist} link from the learn more table. We will not + look at the implementation of \c quit() slot and the \c main() + function, but you can check out the source code if you want to. \section2 Learn More @@ -305,9 +308,9 @@ using \c qmake's \c -project option. \code - HEADERS = notepad.h - SOURCES = notepad.cpp \ - main.cpp + 1 HEADERS = notepad.h + 2 SOURCES = notepad.cpp \ + 3 main.cpp \endcode The following shell commands build the example. @@ -330,29 +333,29 @@ Let us look at the new \c Notepad class definition. \code - #include <QtGui> - - class Notepad : public QMainWindow - { - Q_OBJECT - - public: - Notepad(); - - private slots: - void open(); - void save(); - void quit(); - - private: - QTextEdit *textEdit; - - QAction *openAction; - QAction *saveAction; - QAction *exitAction; - - QMenu *fileMenu; - }; + 2 #include <QtGui> + 3 + 4 class Notepad : public QMainWindow + 5 { + 6 Q_OBJECT + 7 + 8 public: + 9 Notepad(); +10 +11 private slots: +12 void open(); +13 void save(); +14 void quit(); +15 +16 private: +17 QTextEdit *textEdit; +18 +19 QAction *openAction; +20 QAction *saveAction; +21 QAction *exitAction; +22 +23 QMenu *fileMenu; +24 }; \endcode We include two more slots that can save and open a document. We @@ -369,27 +372,27 @@ GUI. \code - Notepad::Notepad() - { - saveAction = new QAction(tr("&Open"), this); - saveAction = new QAction(tr("&Save"), this); - exitAction = new QAction(tr("E&xit"), this); - - connect(openAction, SIGNAL(triggered()), this, SLOT(open())); - connect(saveAction, SIGNAL(triggered()), this, SLOT(save())); - connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit())); - - fileMenu = menuBar()->addMenu(tr("&File")); - fileMenu->addAction(openAction); - fileMenu->addAction(saveAction); - fileMenu->addSeparator(); - fileMenu->addAction(exitAction); - - textEdit = new QTextEdit; - setCentralWidget(textEdit); - - setWindowTitle(tr("Notepad")); - } +25 Notepad::Notepad() +26 { +27 saveAction = new QAction(tr("&Open"), this); +28 saveAction = new QAction(tr("&Save"), this); +29 exitAction = new QAction(tr("E&xit"), this); +30 +31 connect(openAction, SIGNAL(triggered()), this, SLOT(open())); +32 connect(saveAction, SIGNAL(triggered()), this, SLOT(save())); +33 connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit())); +34 +35 fileMenu = menuBar()->addMenu(tr("&File")); +36 fileMenu->addAction(openAction); +37 fileMenu->addAction(saveAction); +38 fileMenu->addSeparator(); +39 fileMenu->addAction(exitAction); +40 +41 textEdit = new QTextEdit; +42 setCentralWidget(textEdit); +43 +44 setWindowTitle(tr("Notepad")); +45 } \endcode \l{QAction}s are created with the text that should appear on the @@ -426,28 +429,29 @@ We will start with the \c open() slot: \code - QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"), "", - tr("Text Files (*.txt);;C++ Files (*.cpp *.h)")); - - if (fileName != "") { - QFile file(fileName); - if (!file.open(QIODevice::ReadOnly)) { - QMessageBox::critical(this, tr("Error"), - tr("Could not open file")); - return; - } - QString contents = file.readAll().constData(); - textEdit->setPlainText(contents); - file.close(); - } +48 void Notepad::open() +49 { +50 QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"), "", +51 tr("Text Files (*.txt);;C++ Files (*.cpp *.h)")); +52 +53 if (fileName != "") { +54 QFile file(fileName); +55 if (!file.open(QIODevice::ReadOnly)) { +56 QMessageBox::critical(this, tr("Error"), tr("Could not open file")); +57 return; +58 } +59 QTextStream in(&file); +60 textEdit->setText(in.readAll()); +61 file.close(); +62 } +63 } \endcode The first step is asking the user for the name of the file to open. Qt comes with QFileDialog, which is a dialog from which the user can select a file. The image above shows the dialog on Kubuntu. The static \l{QFileDialog::}{getOpenFileName()} function - displays a modal file dialog, and does not return until the user - has selected a file. It returns the file path of the file + displays a modal file dialog. It returns the file path of the file selected, or an empty string if the user canceled the dialog. If we have a file name, we try to open the file with @@ -458,38 +462,38 @@ message (see the QMessageBox class description for further details). - Actually reading in the data is trivial using the - \l{QIODevice::}{readAll()} function, which returns all data in the - file in a QByteArray. The \l{QByteArray::}{constData()} returns all - data in the array as a const char*, which QString has a - constructor for. The contents can then be displayed in the text + Actually reading in the data is trivial using the QTextStream + class, which wraps the QFile object. The + \l{QTextStream::}{readAll()} function returns the contents of the + file as a QString. The contents can then be displayed in the text edit. We then \l{QIODevice::}{close()} the file to return the file descriptor back to the operating system. Now, let us move on to the the \c save() slot. \code - QString fileName = QFileDialog::getSaveFileName(this, tr("Save File"), "", - tr("Text Files (*.txt);;C++ Files (*.cpp *.h)")); - - if (fileName != "") { - QFile file(fileName); - if (!file.open(QIODevice::WriteOnly)) { - // error message - } else { - QTextStream stream(&file); - stream << textEdit->toPlainText(); - stream.flush(); - file.close(); - } - } +65 void Notepad::save() +66 { +67 QString fileName = QFileDialog::getSaveFileName(this, tr("Save File"), "", +68 tr("Text Files (*.txt);;C++ Files (*.cpp *.h)")); +69 +70 if (fileName != "") { +71 QFile file(fileName); +72 if (!file.open(QIODevice::WriteOnly)) { +73 // error message +74 } else { +75 QTextStream stream(&file); +76 stream << textEdit->toPlainText(); +77 stream.flush(); +78 file.close(); +79 } +80 } +81 } \endcode When we write the contents of the text edit to the file, we use - the QTextStream class, which wraps the QFile object. The text - stream can write QStrings directly to the file; QFile only accepts - raw data (char*) with the \l{QIODevice::}{write()} functions of - QIODevice. + the QTextStream class again. QTextStream can also write + \l{QString}s to the file with the << operator. \section2 Learn More diff --git a/examples/tutorials/gettingStarted/gsQt/gsqt.pro b/examples/tutorials/gettingStarted/gsQt/gsqt.pro index 46c4f06..72f09c1 100755 --- a/examples/tutorials/gettingStarted/gsQt/gsqt.pro +++ b/examples/tutorials/gettingStarted/gsQt/gsqt.pro @@ -4,8 +4,7 @@ SUBDIRS = part1 \ part2 \ part3 \ part4 \ - part5 \ - part6 + part5 # install sources.files = *.pro diff --git a/examples/tutorials/gettingStarted/gsQt/part1/main.cpp b/examples/tutorials/gettingStarted/gsQt/part1/main.cpp index e1eabca..eaf0425 100755 --- a/examples/tutorials/gettingStarted/gsQt/part1/main.cpp +++ b/examples/tutorials/gettingStarted/gsQt/part1/main.cpp @@ -1,3 +1,42 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples 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> diff --git a/examples/tutorials/gettingStarted/gsQt/part2/main.cpp b/examples/tutorials/gettingStarted/gsQt/part2/main.cpp index 2910310..24b4d77 100755 --- a/examples/tutorials/gettingStarted/gsQt/part2/main.cpp +++ b/examples/tutorials/gettingStarted/gsQt/part2/main.cpp @@ -1,3 +1,42 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples 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> diff --git a/examples/tutorials/gettingStarted/gsQt/part3/main.cpp b/examples/tutorials/gettingStarted/gsQt/part3/main.cpp index 238fb94..59ff9c4 100755 --- a/examples/tutorials/gettingStarted/gsQt/part3/main.cpp +++ b/examples/tutorials/gettingStarted/gsQt/part3/main.cpp @@ -1,3 +1,42 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples 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> diff --git a/examples/tutorials/gettingStarted/gsQt/part4/main.cpp b/examples/tutorials/gettingStarted/gsQt/part4/main.cpp index 6bc9638..ba18afb 100755 --- a/examples/tutorials/gettingStarted/gsQt/part4/main.cpp +++ b/examples/tutorials/gettingStarted/gsQt/part4/main.cpp @@ -1,3 +1,42 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples 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> diff --git a/examples/tutorials/gettingStarted/gsQt/part5/main.cpp b/examples/tutorials/gettingStarted/gsQt/part5/main.cpp index a97bab8..4a6257d 100755 --- a/examples/tutorials/gettingStarted/gsQt/part5/main.cpp +++ b/examples/tutorials/gettingStarted/gsQt/part5/main.cpp @@ -1,3 +1,42 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples 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> @@ -9,45 +48,32 @@ public: Notepad(); private slots: - void newDocument(); - void load(); + void open(); void save(); - void documentChanged(int index); - private: QTextEdit *textEdit; - QAction *newDocumentAction; - QAction *loadAction; + QAction *openAction; QAction *saveAction; QAction *exitAction; QMenu *fileMenu; - - QDockWidget *dockWidget; - QListWidget *listWidget; - - QStringList documents; - int documentCount; }; Notepad::Notepad() { - newDocumentAction = new QAction(tr("&New"), this); - loadAction = new QAction(tr("&Load"), this); + openAction = new QAction(tr("&Load"), this); saveAction = new QAction(tr("&Save"), this); exitAction = new QAction(tr("E&xit"), this); - connect(newDocumentAction, SIGNAL(triggered()), this, SLOT(newDocument())); - connect(loadAction, SIGNAL(triggered()), this, SLOT(load())); + connect(openAction, SIGNAL(triggered()), this, SLOT(open())); connect(saveAction, SIGNAL(triggered()), this, SLOT(save())); connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit())); fileMenu = menuBar()->addMenu(tr("&File")); - fileMenu->addAction(newDocumentAction); - fileMenu->addAction(loadAction); + fileMenu->addAction(openAction); fileMenu->addAction(saveAction); fileMenu->addSeparator(); fileMenu->addAction(exitAction); @@ -55,40 +81,43 @@ Notepad::Notepad() textEdit = new QTextEdit; setCentralWidget(textEdit); - listWidget = new QListWidget; - - connect(listWidget, SIGNAL(currentRowChanged(int)), this, SLOT(documentChanged(int))); - - dockWidget = new QDockWidget; - dockWidget->setWidget(listWidget); - - addDockWidget(Qt::LeftDockWidgetArea, dockWidget); - - documentCount = 0; - newDocument(); - setWindowTitle(tr("Notepad")); } -void Notepad::documentChanged(int index) -{ - -} - -void Notepad::newDocument() +void Notepad::open() { - listWidget->addItem(tr("Document %1").arg(documentCount++)); - documents.append(""); -} - -void Notepad::load() -{ - + QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"), "", + tr("Text Files (*.txt);;C++ Files (*.cpp *.h)")); + + if (fileName != "") { + QFile file(fileName); + if (!file.open(QIODevice::ReadOnly)) { + QMessageBox::critical(this, tr("Error"), tr("Could not open file")); + return; + } + QTextStream in(&file); + textEdit->setText(in.readAll()); + file.close(); + } } void Notepad::save() { + QString fileName = QFileDialog::getSaveFileName(this, tr("Save File"), "", + tr("Text Files (*.txt);;C++ Files (*.cpp *.h)")); + + if (fileName != "") { + QFile file(fileName); + if (!file.open(QIODevice::WriteOnly)) { + // error message + } else { + QTextStream stream(&file); + stream << textEdit->toPlainText(); + stream.flush(); + file.close(); + } + } } int main(int argv, char **args) @@ -99,7 +128,7 @@ int main(int argv, char **args) notepad.show(); return app.exec(); -}; +} #include "main.moc" diff --git a/examples/tutorials/gettingStarted/gsQt/part6/main.cpp b/examples/tutorials/gettingStarted/gsQt/part6/main.cpp deleted file mode 100755 index ef1217b..0000000 --- a/examples/tutorials/gettingStarted/gsQt/part6/main.cpp +++ /dev/null @@ -1,95 +0,0 @@ - -#include <QtGui> - -class Notepad : public QMainWindow -{ - Q_OBJECT - -public: - Notepad(); - -private slots: - void open(); - void save(); - -private: - QTextEdit *textEdit; - - QAction *openAction; - QAction *saveAction; - QAction *exitAction; - - QMenu *fileMenu; -}; - -Notepad::Notepad() -{ - - openAction = new QAction(tr("&Load"), this); - saveAction = new QAction(tr("&Save"), this); - exitAction = new QAction(tr("E&xit"), this); - - connect(openAction, SIGNAL(triggered()), this, SLOT(open())); - connect(saveAction, SIGNAL(triggered()), this, SLOT(save())); - connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit())); - - fileMenu = menuBar()->addMenu(tr("&File")); - fileMenu->addAction(openAction); - fileMenu->addAction(saveAction); - fileMenu->addSeparator(); - fileMenu->addAction(exitAction); - - textEdit = new QTextEdit; - setCentralWidget(textEdit); - - setWindowTitle(tr("Notepad")); -} - -void Notepad::open() -{ - QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"), "", - tr("Text Files (*.txt);;C++ Files (*.cpp *.h)")); - - if (fileName != "") { - QFile file(fileName); - if (!file.open(QIODevice::ReadOnly)) { - QMessageBox::critical(this, tr("Error"), tr("Could not open file")); - return; - } - QTextStream in(&file); - textEdit->setText(in.readAll()); - file.close(); - } -} - -void Notepad::save() -{ - - QString fileName = QFileDialog::getSaveFileName(this, tr("Save File"), "", - tr("Text Files (*.txt);;C++ Files (*.cpp *.h)")); - - if (fileName != "") { - QFile file(fileName); - if (!file.open(QIODevice::WriteOnly)) { - // error message - } else { - QTextStream stream(&file); - stream << textEdit->toPlainText(); - stream.flush(); - file.close(); - } - } -} - -int main(int argv, char **args) -{ - QApplication app(argv, args); - - Notepad notepad; - notepad.show(); - - return app.exec(); -} - -#include "main.moc" - diff --git a/examples/tutorials/gettingStarted/gsQt/part6/part6.pro b/examples/tutorials/gettingStarted/gsQt/part6/part6.pro deleted file mode 100755 index a7861f9..0000000 --- a/examples/tutorials/gettingStarted/gsQt/part6/part6.pro +++ /dev/null @@ -1,9 +0,0 @@ - -SOURCES = main.cpp - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/tutorials/gettingStarted/gsQt/part6 -sources.files = $$SOURCES *.pro -sources.path = $$[QT_INSTALL_EXAMPLES]/tutorial/gettingStarted/gsQt/part6 -INSTALLS += target sources - |