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Diffstat (limited to 'doc/src/snippets/separations/finalwidget.cpp')
-rw-r--r-- | doc/src/snippets/separations/finalwidget.cpp | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/doc/src/snippets/separations/finalwidget.cpp b/doc/src/snippets/separations/finalwidget.cpp deleted file mode 100644 index 81a4aa1c42..0000000000 --- a/doc/src/snippets/separations/finalwidget.cpp +++ /dev/null @@ -1,126 +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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -/* -finalwidget.cpp - -A widget to display an image and a label containing a description. -*/ - -#include <QtGui> -#include "finalwidget.h" - -FinalWidget::FinalWidget(QWidget *parent, const QString &name, - const QSize &labelSize) - : QFrame(parent) -{ - hasImage = false; - imageLabel = new QLabel; - imageLabel->setFrameShadow(QFrame::Sunken); - imageLabel->setFrameShape(QFrame::StyledPanel); - imageLabel->setMinimumSize(labelSize); - nameLabel = new QLabel(name); - - QVBoxLayout *layout = new QVBoxLayout; - layout->addWidget(imageLabel, 1); - layout->addWidget(nameLabel, 0); - setLayout(layout); -} - -/*! - If the mouse moves far enough when the left mouse button is held down, - start a drag and drop operation. -*/ - -void FinalWidget::mouseMoveEvent(QMouseEvent *event) -{ - if (!(event->buttons() & Qt::LeftButton)) - return; - if ((event->pos() - dragStartPosition).manhattanLength() - < QApplication::startDragDistance()) - return; - if (!hasImage) - return; - - QDrag *drag = new QDrag(this); - QMimeData *mimeData = new QMimeData; - -//! [0] - QByteArray output; - QBuffer outputBuffer(&output); - outputBuffer.open(QIODevice::WriteOnly); - imageLabel->pixmap()->toImage().save(&outputBuffer, "PNG"); - mimeData->setData("image/png", output); -//! [0] -/* -//! [1] - mimeData->setImageData(QVariant(*imageLabel->pixmap())); -//! [1] -*/ - drag->setMimeData(mimeData); - drag->setPixmap(imageLabel->pixmap()->scaled(64, 64, Qt::KeepAspectRatio)); -//! [2] - drag->setHotSpot(QPoint(drag->pixmap().width()/2, - drag->pixmap().height())); -//! [2] - - drag->start(); -} - -/*! - Check for left mouse button presses in order to enable drag and drop. -*/ - -void FinalWidget::mousePressEvent(QMouseEvent *event) -{ - if (event->button() == Qt::LeftButton) - dragStartPosition = event->pos(); -} - -const QPixmap* FinalWidget::pixmap() const -{ - return imageLabel->pixmap(); -} - -void FinalWidget::setPixmap(const QPixmap &pixmap) -{ - imageLabel->setPixmap(pixmap); - hasImage = true; -} |