Admin: 1 версия: Импорт контента...

2010-05-25T10:24:28Z

1 версия: Импорт контента...

Новая страница

==extends QTextEdit==

<source lang="cpp">
Foundations of Qt Development\Chapter04\mdi\documentwindow.cpp
/*
* Copyright (c) 2006-2007, Johan Thelin
*
* All rights reserved.
*
* 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 APress 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.
*
*/
#include <QApplication>
#include <QMenuBar>
#include <QToolBar>
#include <QStatusBar>
#include <QCloseEvent>
#include <QMessageBox>
#include <QTextEdit>
#include "documentwindow.h"
DocumentWindow::DocumentWindow( QWidget *parent ) : QTextEdit( parent )
{
setAttribute( Qt::WA_DeleteOnClose );
setWindowTitle( tr("%1[*]" ).arg("unnamed") );

connect( document(), SIGNAL(modificationChanged(bool)), this, SLOT(setWindowModified(bool)) );
}

void DocumentWindow::closeEvent( QCloseEvent *event )
{
if( isSafeToClose() )
event->accept();
else
event->ignore();
}
bool DocumentWindow::isSafeToClose()
{
if( document()->isModified() )
{
switch( QMessageBox::warning( this, tr("MDI"),
tr("The document has unsaved changes.\n"
"Do you want to save it before it is closed?"),
QMessageBox::Discard | QMessageBox::Cancel ) )
{
case QMessageBox::Cancel:
return false;
default:
return true;
}
}
return true;
}

Foundations of Qt Development\Chapter04\mdi\documentwindow.h
/*
* Copyright (c) 2006-2007, Johan Thelin
*
* All rights reserved.
*
* 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 APress 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.
*
*/
#ifndef DOCUMENTWINDOW_H
#define DOCUMENTWINDOW_H
#include <QTextEdit>
class DocumentWindow : public QTextEdit
{
Q_OBJECT

public:
DocumentWindow( QWidget *parent = 0 );

protected:
void closeEvent( QCloseEvent *event );

private:
bool isSafeToClose();
};

#endif // DOCUMENTWINDOW_H

Foundations of Qt Development\Chapter04\mdi\main.cpp
/*
* Copyright (c) 2006-2007, Johan Thelin
*
* All rights reserved.
*
* 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 APress 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.
*
*/
#include <QApplication>
#include "mdiwindow.h"
int main( int argc, char **argv )
{
QApplication app( argc, argv );

MdiWindow win;
win.show();

return app.exec();
}

Foundations of Qt Development\Chapter04\mdi\mdiwindow.cpp
/*
* Copyright (c) 2006-2007, Johan Thelin
*
* All rights reserved.
*
* 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 APress 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.
*
*/
#include <QApplication>
#include <QMenuBar>
#include <QToolBar>
#include <QStatusBar>
#include <QCloseEvent>
#include <QMessageBox>
#include <QWorkspace>
#include <QSignalMapper>
#include "mdiwindow.h"
#include "documentwindow.h"
MdiWindow::MdiWindow( QWidget *parent ) : QMainWindow( parent )
{
setWindowTitle( tr( "MDI" ) );
workspace = new QWorkspace;
setCentralWidget( workspace );

connect( workspace, SIGNAL(windowActivated(QWidget *)), this, SLOT(enableActions()));
mapper = new QSignalMapper( this );
connect( mapper, SIGNAL(mapped(QWidget*)), workspace, SLOT(setActiveWindow(QWidget*)) );
createActions();
createMenus();
createToolbars();
statusBar()->showMessage( tr("Done") );

enableActions();
}

void MdiWindow::closeEvent( QCloseEvent *event )
{
workspace->closeAllWindows();
if( !activeDocument() )
event->accept();
else
event->ignore();
}

void MdiWindow::fileNew()
{
DocumentWindow *document = new DocumentWindow;
workspace->addWindow( document );
connect( document, SIGNAL(copyAvailable(bool)), cutAction, SLOT(setEnabled(bool)) );
connect( document, SIGNAL(copyAvailable(bool)), copyAction, SLOT(setEnabled(bool)) );

document->show();
}
void MdiWindow::helpAbout()
{
QMessageBox::about( this, tr("About MDI"), tr("A multiple document interface application.") );
}
DocumentWindow *MdiWindow::activeDocument()
{
return qobject_cast<DocumentWindow*>(workspace->activeWindow());
}
void MdiWindow::enableActions()
{
bool hasDocuments = (activeDocument() != 0 );

closeAction->setEnabled( hasDocuments );
pasteAction->setEnabled( hasDocuments );
tileAction->setEnabled( hasDocuments );
cascadeAction->setEnabled( hasDocuments );
nextAction->setEnabled( hasDocuments );
previousAction->setEnabled( hasDocuments );
separatorAction->setVisible( hasDocuments );
bool hasSelection = hasDocuments && activeDocument()->textCursor().hasSelection();
cutAction->setEnabled( hasSelection );
copyAction->setEnabled( hasSelection );
}
void MdiWindow::createActions()
{
newAction = new QAction( QIcon(":/images/new.png"), tr("&New"), this );
newAction->setShortcut( tr("Ctrl+N") );
newAction->setStatusTip( tr("Create a new document") );
connect( newAction, SIGNAL(triggered()), this, SLOT(fileNew()) );

closeAction = new QAction( tr("&Close"), this );
closeAction->setShortcut( tr("Ctrl+W") );
closeAction->setStatusTip( tr("Close this document") );
connect( closeAction, SIGNAL(triggered()), workspace, SLOT(closeActiveWindow()) );
exitAction = new QAction( tr("E&xit"), this );
exitAction->setShortcut( tr("Ctrl+Q") );
exitAction->setStatusTip( tr("Quit the application") );
connect( exitAction, SIGNAL(triggered()), qApp, SLOT(closeAllWindows()) );

cutAction = new QAction( QIcon(":/images/cut.png"), tr("Cu&t"), this );
cutAction->setShortcut( tr("Ctrl+X") );
cutAction->setStatusTip( tr("Cut") );
cutAction->setEnabled(false);
connect( cutAction, SIGNAL(triggered()), this, SLOT(editCut()) );

copyAction = new QAction( QIcon(":/images/copy.png"), tr("&Copy"), this );
copyAction->setShortcut( tr("Ctrl+C") );
copyAction->setStatusTip( tr("Copy") );
copyAction->setEnabled(false);
connect( copyAction, SIGNAL(triggered()), this, SLOT(editCopy()) );
pasteAction = new QAction( QIcon(":/images/paste.png"), tr("&Paste"), this );
pasteAction->setShortcut( tr("Ctrl+V") );
pasteAction->setStatusTip( tr("Paste") );
connect( pasteAction, SIGNAL(triggered()), this, SLOT(editPaste()) );

tileAction = new QAction( tr("&Tile"), this );
tileAction->setStatusTip( tr("Tile the windows") );
connect( tileAction, SIGNAL(triggered()), workspace, SLOT(tile()) );

cascadeAction = new QAction( tr("&Cascade"), this );
cascadeAction->setStatusTip( tr("Cascade the windows") );
connect( cascadeAction, SIGNAL(triggered()), workspace, SLOT(cascade()) );
nextAction = new QAction( tr("&Next window"), this );
nextAction->setStatusTip( tr("Move to the next window") );
connect( nextAction, SIGNAL(triggered()), workspace, SLOT(activateNextWindow()) );

previousAction = new QAction( tr("&Previous window"), this );
previousAction->setStatusTip( tr("Move to the previous window") );
connect( previousAction, SIGNAL(triggered()), workspace, SLOT(activatePreviousWindow()) );

separatorAction = new QAction( this );
separatorAction->setSeparator( true );

aboutAction = new QAction( tr("&About"), this );
aboutAction->setStatusTip( tr("About this application") );
connect( aboutAction, SIGNAL(triggered()), this, SLOT(helpAbout()) );
aboutQtAction = new QAction( tr("About &Qt"), this );
aboutQtAction->setStatusTip( tr("About the Qt toolkit") );
connect( aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()) );
}
void MdiWindow::createMenus()
{
QMenu *menu;

menu = menuBar()->addMenu( tr("&File") );
menu->addAction( newAction );
menu->addAction( closeAction );
menu->addSeparator();
menu->addAction( exitAction );

menu = menuBar()->addMenu( tr("&Edit") );
menu->addAction( cutAction );
menu->addAction( copyAction );
menu->addAction( pasteAction );

windowMenu = menuBar()->addMenu( tr("&Window") );
connect( windowMenu, SIGNAL(aboutToShow()), this, SLOT(updateWindowList()) );

menu = menuBar()->addMenu( tr("&Help") );
menu->addAction( aboutAction );
menu->addAction( aboutQtAction );
}
void MdiWindow::createToolbars()
{
QToolBar *toolbar;

toolbar = addToolBar( tr("File") );
toolbar->addAction( newAction );

toolbar = addToolBar( tr("Edit") );
toolbar->addAction( cutAction );
toolbar->addAction( copyAction );
toolbar->addAction( pasteAction );
}
void MdiWindow::editCut()
{
activeDocument()->cut();
}

void MdiWindow::editCopy()
{
activeDocument()->copy();
}

void MdiWindow::editPaste()
{
activeDocument()->paste();
}
void MdiWindow::updateWindowList()
{
windowMenu->clear();

windowMenu->addAction( tileAction );
windowMenu->addAction( cascadeAction );
windowMenu->addSeparator();
windowMenu->addAction( nextAction );
windowMenu->addAction( previousAction );
windowMenu->addAction( separatorAction );

int i=1;
foreach( QWidget *w, workspace->windowList() )
{
QString text;
if( i<10 )
text = tr("&%1 %2").arg( i++ ).arg( w->windowTitle() );
else
text = w->windowTitle();

QAction *action = windowMenu->addAction( text );
action->setCheckable( true );
action->setChecked( w == activeDocument() );
connect( action, SIGNAL(triggered()), mapper, SLOT(map()) );
mapper->setMapping( action, w );
}
}

Foundations of Qt Development\Chapter04\mdi\mdiwindow.h
/*
* Copyright (c) 2006-2007, Johan Thelin
*
* All rights reserved.
*
* 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 APress 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.
*
*/
#ifndef MDIWINDOW_H
#define MDIWINDOW_H
#include <QMainWindow>
class QAction;
class QWorkspace;
class QSignalMapper;
class QMenu;
class DocumentWindow;
class MdiWindow : public QMainWindow
{
Q_OBJECT

public:
MdiWindow( QWidget *parent = 0 );

protected:
void closeEvent( QCloseEvent *event );

private slots:
void fileNew();

void editCut();
void editCopy();
void editPaste();

void helpAbout();

void enableActions();
void updateWindowList();
private:
void createActions();
void createMenus();
void createToolbars();
DocumentWindow *activeDocument();
QWorkspace *workspace;
QSignalMapper *mapper;

QAction *newAction;
QAction *closeAction;
QAction *exitAction;

QAction *cutAction;
QAction *copyAction;
QAction *pasteAction;

QAction *tileAction;
QAction *cascadeAction;
QAction *nextAction;
QAction *previousAction;
QAction *separatorAction;

QAction *aboutAction;
QAction *aboutQtAction;

QMenu *windowMenu;
};

#endif // MDIWINDOW_H

</source>

==QTextEdit and QTextCursor==

<source lang="cpp">
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
void mergeFormat(QTextEdit *edit)
{
QTextDocument *document = edit->document();
QTextCursor cursor(document);
cursor.movePosition(QTextCursor::Start);
cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
QTextCharFormat format;
format.setFontWeight(QFont::Bold);
cursor.mergeCharFormat(format);
}
int main(int argc, char *argv[])
{
QWidget *parent = 0;
QString aStringContainingHTMLtext("<h1>Scribe Overview</h1>");
QApplication app(argc, argv);

QTextEdit *editor = new QTextEdit(parent);
editor->setHtml(aStringContainingHTMLtext);
editor->show();

return app.exec();
}

</source>

==Using QTextEdit==

<source lang="cpp">
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef TEXTEDIT_H
#define TEXTEDIT_H
#include <QTextEdit>
class TextEdit : public QTextEdit
{
Q_OBJECT

public:
TextEdit(QWidget *parent=0);
bool canInsertFromMimeData( const QMimeData *source ) const;
void insertFromMimeData( const QMimeData *source );
};
#endif

#include "textedit.h"
#include <QtGui>
TextEdit::TextEdit(QWidget *parent)
: QTextEdit(parent)
{
}

bool TextEdit::canInsertFromMimeData( const QMimeData *source ) const
{
if (source->hasImage())
return true;
else
return QTextEdit::canInsertFromMimeData(source);
}

void TextEdit::insertFromMimeData( const QMimeData *source )
{
if (source->hasImage())
{
QImage image = qvariant_cast<QImage>(source->imageData());
QTextCursor cursor = this->textCursor();
QTextDocument *document = this->document();
document->addResource(QTextDocument::ImageResource, QUrl("image"), image);
cursor.insertImage("image");
}
}

#include <QtGui>
#include "textedit.h"
int main(int argc, char * argv[])
{
QApplication app(argc, argv);
TextEdit *textEdit = new TextEdit;
textEdit->show();
return app.exec();
}

</source>

C++/Qt/QTextEdit - История изменений

в 14:21, 25 мая 2010

Admin: 1 версия: Импорт контента...

← Предыдущая	Версия 14:21, 25 мая 2010
(нет различий)