diff options
Diffstat (limited to 'examples/widgets/widgets/charactermap/characterwidget.cpp')
| -rw-r--r-- | examples/widgets/widgets/charactermap/characterwidget.cpp | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/examples/widgets/widgets/charactermap/characterwidget.cpp b/examples/widgets/widgets/charactermap/characterwidget.cpp index 061c0164b0..41406b7fb4 100644 --- a/examples/widgets/widgets/charactermap/characterwidget.cpp +++ b/examples/widgets/widgets/charactermap/characterwidget.cpp @@ -50,11 +50,14 @@ #include "characterwidget.h" -#include <QtWidgets> +#include <QFontDatabase> +#include <QMouseEvent> +#include <QPainter> +#include <QToolTip> //! [0] CharacterWidget::CharacterWidget(QWidget *parent) - : QWidget(parent), columns(16), lastKey(-1) + : QWidget(parent) { calculateSquareSize(); setMouseTracking(true); @@ -110,7 +113,7 @@ void CharacterWidget::calculateSquareSize() //! [3] QSize CharacterWidget::sizeHint() const { - return QSize(columns*squareSize, (65536/columns)*squareSize); + return QSize(columns*squareSize, (65536 / columns) * squareSize); } //! [3] @@ -118,7 +121,7 @@ QSize CharacterWidget::sizeHint() const void CharacterWidget::mouseMoveEvent(QMouseEvent *event) { QPoint widgetPosition = mapFromGlobal(event->globalPos()); - uint key = (widgetPosition.y()/squareSize)*columns + widgetPosition.x()/squareSize; + uint key = (widgetPosition.y() / squareSize) * columns + widgetPosition.x() / squareSize; QString text = QString::fromLatin1("<p>Character: <span style=\"font-size: 24pt; font-family: %1\">").arg(displayFont.family()) + QChar(key) @@ -132,7 +135,7 @@ void CharacterWidget::mouseMoveEvent(QMouseEvent *event) void CharacterWidget::mousePressEvent(QMouseEvent *event) { if (event->button() == Qt::LeftButton) { - lastKey = (event->y()/squareSize)*columns + event->x()/squareSize; + lastKey = (event->y() / squareSize) * columns + event->x() / squareSize; if (QChar(lastKey).category() != QChar::Other_NotAssigned) emit characterSelected(QString(QChar(lastKey))); update(); @@ -152,17 +155,17 @@ void CharacterWidget::paintEvent(QPaintEvent *event) //! [7] QRect redrawRect = event->rect(); - int beginRow = redrawRect.top()/squareSize; - int endRow = redrawRect.bottom()/squareSize; - int beginColumn = redrawRect.left()/squareSize; - int endColumn = redrawRect.right()/squareSize; + int beginRow = redrawRect.top() / squareSize; + int endRow = redrawRect.bottom() / squareSize; + int beginColumn = redrawRect.left() / squareSize; + int endColumn = redrawRect.right() / squareSize; //! [7] //! [8] painter.setPen(QPen(Qt::gray)); for (int row = beginRow; row <= endRow; ++row) { for (int column = beginColumn; column <= endColumn; ++column) { - painter.drawRect(column*squareSize, row*squareSize, squareSize, squareSize); + painter.drawRect(column * squareSize, row * squareSize, squareSize, squareSize); } //! [8] //! [9] } @@ -172,17 +175,17 @@ void CharacterWidget::paintEvent(QPaintEvent *event) QFontMetrics fontMetrics(displayFont); painter.setPen(QPen(Qt::black)); for (int row = beginRow; row <= endRow; ++row) { - for (int column = beginColumn; column <= endColumn; ++column) { - - int key = row*columns + column; - painter.setClipRect(column*squareSize, row*squareSize, squareSize, squareSize); + int key = row * columns + column; + painter.setClipRect(column * squareSize, row * squareSize, squareSize, squareSize); if (key == lastKey) - painter.fillRect(column*squareSize + 1, row*squareSize + 1, squareSize, squareSize, QBrush(Qt::red)); + painter.fillRect(column * squareSize + 1, row * squareSize + 1, + squareSize, squareSize, QBrush(Qt::red)); - painter.drawText(column*squareSize + (squareSize / 2) - fontMetrics.horizontalAdvance(QChar(key))/2, - row*squareSize + 4 + fontMetrics.ascent(), + painter.drawText(column * squareSize + (squareSize / 2) - + fontMetrics.horizontalAdvance(QChar(key)) / 2, + row * squareSize + 4 + fontMetrics.ascent(), QString(QChar(key))); } } |