C++ (Cpp) DragLabel::width示例

示例#1

文件： dragwidget.cpp 项目： Mr-Kumar-Abhishek/qt

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 {

示例#2

文件： dragwidget.cpp 项目： dfizban/remixos-usb-tool

        foreach (QString piece, pieces) {
            DragLabel *newLabel = new DragLabel(piece, this);
            newLabel->move(position);
            newLabel->show();

            position += QPoint(newLabel->width(), 0);
        }

示例#3

文件： dragwidget.cpp 项目： Mr-Kumar-Abhishek/qt

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 >= 195) {
                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"));
}

示例#4

文件： dragwidget.cpp 项目： eagafonov/qtmoko

        foreach (QString piece, pieces) {
            DragLabel *newLabel = new DragLabel(piece, this);
            newLabel->move(position);
            newLabel->show();
            newLabel->setAttribute(Qt::WA_DeleteOnClose);

            position += QPoint(newLabel->width(), 0);
        }

示例#5

文件： dragwidget.cpp 项目： panweiping3/programming

DragWidget::DragWidget(QWidget *parent)
	: QWidget(parent)
{
	QFile dictionaryFile(":/words.txt");
	if (dictionaryFile.exists() == false)
	{
		qDebug() << "words file doesn't exist";
		// 因为此时QT的时间循环尚未开始，故exit, quit, closeAllWindows 都不起作用。
		// qApp->exit(-1);
		// qApp->quit();
		// qApp->closeAllWindows();
		QTimer::singleShot(0, qApp, SLOT(quit()));
	}

	dictionaryFile.open(QIODevice::ReadOnly);
	QTextStream inputStream(&dictionaryFile);

	int x = 5;
	int y = 5;
	
	while (inputStream.atEnd() == false)
	{
		QString word;
		inputStream >> word;
		
		if (word.isEmpty() == false)
		{
			DragLabel *wordLabel = new DragLabel(word, this);
			wordLabel->move(x, y);
			wordLabel->show();
			
			x += wordLabel->width() + 2;
			if (x >= 195)
			{
				x = 5;
				y += wordLabel->height() + 2;
			}
		}
	}
	
	QPalette newPalette = palette();
	newPalette.setColor(QPalette::Window, Qt::yellow);
	setPalette(newPalette);

	// 接受鼠标拖拽， that's important!
	setAcceptDrops(true);
	setMinimumSize(400, qMax(200, y));
	setWindowTitle("Dragable Text");
}

示例#6

文件： dragwidget.cpp 项目： dfizban/remixos-usb-tool

//! [0]
DragWidget::DragWidget(QWidget *parent)
    : QWidget(parent)
{
    QFile dictionaryFile(":/dictionary/words.txt");
    dictionaryFile.open(QFile::ReadOnly);
    QTextStream inputStream(&dictionaryFile);
//! [0]

//! [1]
    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();
            x += wordLabel->width() + 2;
            if (x >= 245) {
                x = 5;
                y += wordLabel->height() + 2;
            }
        }
    }
//! [1]

//! [2]
    QPalette newPalette = palette();
    newPalette.setColor(QPalette::Window, Qt::white);
    setPalette(newPalette);

    setMinimumSize(400, qMax(200, y));
    setWindowTitle(tr("Fridge Magnets"));
//! [2] //! [3]
    setAcceptDrops(true);
}

示例#7

文件： fridgemag.cpp 项目： wpbest/copperspice

FridgeMagnet::FridgeMagnet(QWidget *parent)
   : QWidget(parent)
{
   setWindowTitle(tr("Fridge Magnets"));  
   setAcceptDrops(true);

   //
   QString fileName;
   fileName = qmPath + "/words.txt";

   QFile dictionaryFile(fileName);
   dictionaryFile.open(QFile::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;
         }
      }
   }

}

示例#8

文件： dragwidget.cpp 项目： BGmot/Qt

//! [0]
DragWidget::DragWidget(QWidget *parent)
    : QWidget(parent)
{
    QFile dictionaryFile(":/dictionary/words.txt");
    dictionaryFile.open(QFile::ReadOnly);
    QTextStream inputStream(&dictionaryFile);
//! [0]

//! [1]
    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 defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)
            if (x >= 345) {
#else
            if (x >= 245) {
#endif
                x = 5;
                y += wordLabel->height() + 2;
            }
        }
    }
//! [1]

//! [2]
    #ifndef Q_WS_S60
    //Fridge magnets is used for demoing Qt on S60 and themed backgrounds look better than white
    QPalette newPalette = palette();
    newPalette.setColor(QPalette::Window, Qt::white);
    setPalette(newPalette);
    #endif

    setMinimumSize(400, qMax(200, y));
    setWindowTitle(tr("Fridge Magnets"));
//! [2] //! [3]
    setAcceptDrops(true);
}
//! [3]

//! [4]
void DragWidget::dragEnterEvent(QDragEnterEvent *event)
{
//! [4] //! [5]
    if (event->mimeData()->hasFormat("application/x-fridgemagnet")) {
        if (children().contains(event->source())) {
            event->setDropAction(Qt::MoveAction);
            event->accept();
        } else {
            event->acceptProposedAction();
//! [5] //! [6]
        }
//! [6] //! [7]
    } else if (event->mimeData()->hasText()) {
        event->acceptProposedAction();
    } else {
        event->ignore();
    }
}
//! [7]

//! [8]
void DragWidget::dragMoveEvent(QDragMoveEvent *event)
{
    if (event->mimeData()->hasFormat("application/x-fridgemagnet")) {
        if (children().contains(event->source())) {
            event->setDropAction(Qt::MoveAction);
            event->accept();
        } else {
            event->acceptProposedAction();
        }
    } else if (event->mimeData()->hasText()) {
        event->acceptProposedAction();
    } else {
        event->ignore();
    }
}
//! [8]

//! [9]
void DragWidget::dropEvent(QDropEvent *event)
{
    if (event->mimeData()->hasFormat("application/x-fridgemagnet")) {
        const QMimeData *mime = event->mimeData();
//! [9] //! [10]
        QByteArray itemData = mime->data("application/x-fridgemagnet");
        QDataStream dataStream(&itemData, QIODevice::ReadOnly);

        QString text;
        QPoint offset;
        dataStream >> text >> offset;
//! [10]
//! [11]
        DragLabel *newLabel = new DragLabel(text, this);
        newLabel->move(event->pos() - offset);
        newLabel->show();
        newLabel->setAttribute(Qt::WA_DeleteOnClose);

        if (event->source() == this) {
            event->setDropAction(Qt::MoveAction);
            event->accept();
        } else {
            event->acceptProposedAction();
        }
//! [11] //! [12]
    } else if (event->mimeData()->hasText()) {
        QStringList pieces = event->mimeData()->text().split(QRegExp("\\s+"),
                             QString::SkipEmptyParts);
        QPoint position = event->pos();

        foreach (QString piece, pieces) {
            DragLabel *newLabel = new DragLabel(piece, this);
            newLabel->move(position);
            newLabel->show();
            newLabel->setAttribute(Qt::WA_DeleteOnClose);

            position += QPoint(newLabel->width(), 0);
        }