diff options
Diffstat (limited to 'examples/draganddrop/draggabletext/dragwidget.cpp')
-rw-r--r-- | examples/draganddrop/draggabletext/dragwidget.cpp | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/examples/draganddrop/draggabletext/dragwidget.cpp b/examples/draganddrop/draggabletext/dragwidget.cpp deleted file mode 100644 index 60d84ebb5b..0000000000 --- a/examples/draganddrop/draggabletext/dragwidget.cpp +++ /dev/null @@ -1,165 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** 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 <QtWidgets> - -#include "draglabel.h" -#include "dragwidget.h" - -DragWidget::DragWidget(QWidget *parent) - : QWidget(parent) -{ - QFile dictionaryFile(":/dictionary/words.txt"); - dictionaryFile.open(QIODevice::ReadOnly); - QTextStream inputStream(&dictionaryFile); - - int x = 5; - int y = 5; - - while (!inputStream.atEnd()) { - QString word; - inputStream >> word; - if (!word.isEmpty()) { - DragLabel *wordLabel = new DragLabel(word, this); - wordLabel->move(x, y); - wordLabel->show(); - wordLabel->setAttribute(Qt::WA_DeleteOnClose); - x += wordLabel->width() + 2; - if (x >= 245) { - x = 5; - y += wordLabel->height() + 2; - } - } - } - - /* - QPalette newPalette = palette(); - newPalette.setColor(QPalette::Window, Qt::white); - setPalette(newPalette); - */ - - setAcceptDrops(true); - setMinimumSize(400, qMax(200, y)); - setWindowTitle(tr("Draggable Text")); -} - -void DragWidget::dragEnterEvent(QDragEnterEvent *event) -{ - if (event->mimeData()->hasText()) { - if (event->source() == this) { - event->setDropAction(Qt::MoveAction); - event->accept(); - } else { - event->acceptProposedAction(); - } - } else { - event->ignore(); - } -} - -void DragWidget::dropEvent(QDropEvent *event) -{ - if (event->mimeData()->hasText()) { - const QMimeData *mime = event->mimeData(); - QStringList pieces = mime->text().split(QRegExp("\\s+"), - QString::SkipEmptyParts); - QPoint position = event->pos(); - QPoint hotSpot; - - QList<QByteArray> hotSpotPos = mime->data("application/x-hotspot").split(' '); - if (hotSpotPos.size() == 2) { - hotSpot.setX(hotSpotPos.first().toInt()); - hotSpot.setY(hotSpotPos.last().toInt()); - } - - foreach (QString piece, pieces) { - DragLabel *newLabel = new DragLabel(piece, this); - newLabel->move(position - hotSpot); - newLabel->show(); - newLabel->setAttribute(Qt::WA_DeleteOnClose); - - position += QPoint(newLabel->width(), 0); - } - - if (event->source() == this) { - event->setDropAction(Qt::MoveAction); - event->accept(); - } else { - event->acceptProposedAction(); - } - } else { - event->ignore(); - } - foreach (QObject *child, children()) { - if (child->inherits("QWidget")) { - QWidget *widget = static_cast<QWidget *>(child); - if (!widget->isVisible()) - widget->deleteLater(); - } - } -} - -void DragWidget::mousePressEvent(QMouseEvent *event) -{ - QLabel *child = static_cast<QLabel*>(childAt(event->pos())); - if (!child) - return; - - QPoint hotSpot = event->pos() - child->pos(); - - QMimeData *mimeData = new QMimeData; - mimeData->setText(child->text()); - mimeData->setData("application/x-hotspot", - QByteArray::number(hotSpot.x()) - + " " + QByteArray::number(hotSpot.y())); - - QPixmap pixmap(child->size()); - child->render(&pixmap); - - QDrag *drag = new QDrag(this); - drag->setMimeData(mimeData); - drag->setPixmap(pixmap); - drag->setHotSpot(hotSpot); - - Qt::DropAction dropAction = drag->exec(Qt::CopyAction | Qt::MoveAction, Qt::CopyAction); - - if (dropAction == Qt::MoveAction) - child->close(); -} |