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add lineedit class with clear button

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This commit is contained in:
wmayer
2017-04-22 11:11:13 +02:00
parent 71de6009aa
commit 5b0c93f57c
2 changed files with 82 additions and 0 deletions
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58
src/Gui/Widgets.cpp
View File

@@ -439,6 +439,64 @@ void AccelLineEdit::keyPressEvent ( QKeyEvent * e)
// ------------------------------------------------------------------------------
#if QT_VERSION >= 0x050200
ClearLineEdit::ClearLineEdit (QWidget * parent)
: QLineEdit(parent), clearButton(nullptr)
{
clearAction = this->addAction(QIcon(QString::fromLatin1(":/icons/edit-cleartext.svg")),
QLineEdit::TrailingPosition);
connect(clearAction, SIGNAL(triggered()), this, SLOT(clear()));
connect(this, SIGNAL(textChanged(const QString&)),
this, SLOT(updateClearButton(const QString&)));
}
void ClearLineEdit::resizeEvent(QResizeEvent *e)
{
QLineEdit::resizeEvent(e);
}
void ClearLineEdit::updateClearButton(const QString& text)
{
clearAction->setVisible(!text.isEmpty());
}
#else
ClearLineEdit::ClearLineEdit (QWidget * parent)
: QLineEdit(parent), clearAction(nullptr)
{
clearButton = new QToolButton(this);
QPixmap pixmap(BitmapFactory().pixmapFromSvg(":/icons/edit-cleartext.svg", QSize(18, 18)));
clearButton->setIcon(QIcon(pixmap));
clearButton->setIconSize(pixmap.size());
clearButton->setCursor(Qt::ArrowCursor);
clearButton->setStyleSheet(QString::fromLatin1("QToolButton { border: none; padding: 0px; }"));
clearButton->hide();
connect(clearButton, SIGNAL(clicked()), this, SLOT(clear()));
connect(this, SIGNAL(textChanged(const QString&)),
this, SLOT(updateClearButton(const QString&)));
int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
setStyleSheet(QString::fromLatin1("QLineEdit { padding-right: %1px; } ")
.arg(clearButton->sizeHint().width() + frameWidth + 1));
QSize msz = minimumSizeHint();
setMinimumSize(qMax(msz.width(), clearButton->sizeHint().height() + frameWidth * 2 + 2),
qMax(msz.height(), clearButton->sizeHint().height() + frameWidth * 2 + 2));
}
void ClearLineEdit::resizeEvent(QResizeEvent *)
{
QSize sz = clearButton->sizeHint();
int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
clearButton->move(rect().right() - frameWidth - sz.width(),
(rect().bottom() + 1 - sz.height())/2);
}
void ClearLineEdit::updateClearButton(const QString& text)
{
clearButton->setVisible(!text.isEmpty());
}
#endif
// ------------------------------------------------------------------------------
/* TRANSLATOR Gui::CheckListDialog */
/**

24
src/Gui/Widgets.h
View File

@@ -134,6 +134,30 @@ private:
// ------------------------------------------------------------------------------
/**
* The ClearLineEdit class adds a clear button at the right side.
* http://stackoverflow.com/questions/21232224/qlineedit-with-custom-button
*/
class GuiExport ClearLineEdit : public QLineEdit
{
Q_OBJECT
public:
ClearLineEdit (QWidget * parent=0);
protected:
void resizeEvent(QResizeEvent *);
private Q_SLOTS:
void updateClearButton(const QString &text);
private:
QAction *clearAction;
QToolButton *clearButton;
};
// ------------------------------------------------------------------------------
typedef QPair<QString, bool> CheckListItem;
/**