#include <QLineEdit>
#include <QObject>
#include <QString>
+#include <QPainter>
+#include <QResizeEvent>
#include <memory>
#include <string>
+/**
+* Customization of Line edit control
+*/
+class CustomLineEdit : public QLineEdit
+{
+public:
+ /// Constructor
+ /// \param theParent a parent widget
+ /// \param thePlaceHolder a string which is shown when text is empty
+ CustomLineEdit( QWidget* theParent, const QString& thePlaceHolder )
+ : QLineEdit( theParent ), myPlaceHolder( thePlaceHolder )
+ {
+ }
+
+ virtual ~CustomLineEdit()
+ {
+ }
+
+ /// Redefiniotion of virtual method
+ /// \param theEvent a paint event
+ virtual void paintEvent( QPaintEvent* theEvent )
+ {
+ QLineEdit::paintEvent( theEvent );
+ if( text().isEmpty() && !myPlaceHolder.isEmpty() )
+ {
+ QPainter aPainter( this );
+ QRect aRect = rect();
+ int aHorMargin = 5;
+ aRect.adjust( aHorMargin, 0, 0, 0 );
+
+ QColor aColor = palette().text().color();
+ aColor.setAlpha( 128 );
+ QPen anOldpen = aPainter.pen();
+ aPainter.setPen( aColor );
+ QFontMetrics aFontMetrics = fontMetrics();
+ QString elidedText = aFontMetrics.elidedText( myPlaceHolder, Qt::ElideRight, aRect.width() );
+ aPainter.drawText( aRect, Qt::AlignLeft | Qt::AlignVCenter, elidedText );
+ aPainter.setPen( anOldpen );
+ }
+ }
+
+private:
+ QString myPlaceHolder;
+};
+
ModuleBase_WidgetLineEdit::ModuleBase_WidgetLineEdit(QWidget* theParent,
const Config_WidgetAPI* theData,
- const std::string& theParentId)
- : ModuleBase_ModelWidget(theParent, theData, theParentId)
+ const std::string& thePlaceHolder )
+: ModuleBase_ModelWidget(theParent, theData)
{
QFormLayout* aMainLay = new QFormLayout(this);
ModuleBase_Tools::adjustMargins(aMainLay);
- QString aTitle = QString::fromStdString(theData->widgetLabel());
- myLineEdit = new QLineEdit(this);
+ QString aLabelText = QString::fromStdString(theData->widgetLabel());
+ QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
+ QLabel* aLabel = new QLabel(aLabelText, this);
+ if (!aLabelIcon.isEmpty())
+ aLabel->setPixmap(QPixmap(aLabelIcon));
+
+ myLineEdit = new CustomLineEdit( this, QString::fromStdString( thePlaceHolder ) );
+ // Here we do not use the Qt's standard method setPlaceHolderText() since it
+ // draws the place holder only if there is no focus on widget;
+ // we would like to see the place holder in the case of empty text
+ // even if the widget is focused.
+ // The corresponding patch appears in Qt only since version 5.x
+
myLineEdit->setMinimumHeight(20);
- aMainLay->addRow(aTitle, myLineEdit);
+
+ aMainLay->addRow(aLabel, myLineEdit);
this->setLayout(aMainLay);
- connect(myLineEdit, SIGNAL(textChanged(const QString&)), this, SLOT(onTextChanged()));
+ connect(myLineEdit, SIGNAL(textChanged(const QString&)), this, SIGNAL(valuesModified()));
}
ModuleBase_WidgetLineEdit::~ModuleBase_WidgetLineEdit()
{
}
-bool ModuleBase_WidgetLineEdit::storeValue() const
+bool ModuleBase_WidgetLineEdit::storeValueCustom()
{
// A rare case when plugin was not loaded.
if(!myFeature)
return true;
}
-bool ModuleBase_WidgetLineEdit::restoreValue()
+bool ModuleBase_WidgetLineEdit::restoreValueCustom()
{
// A rare case when plugin was not loaded.
if(!myFeature)
return result;
}
-void ModuleBase_WidgetLineEdit::onTextChanged()
+bool ModuleBase_WidgetLineEdit::processEnter()
{
- storeValue();
+ bool isModified = getValueState() == ModifiedInPP;
+ if (isModified) {
+ emit valuesChanged();
+ myLineEdit->selectAll();
+ }
+ return isModified;
}