alineedit.cpp

Go to the documentation of this file.

#include "alineedit.h"

ALineEdit::ALineEdit(const QString &defaultValue, const QString &text, QWidget *parent) : QLineEdit(parent)
{
    defaultText = defaultValue;
    if(text != "")
    {
        setText(text, true);
    }
    else
    {
        showHintText();
    }
}

ALineEdit::ALineEdit(const QString &defaultValue, QWidget *parent) : QLineEdit(parent)
{
    defaultText = defaultValue;
    showHintText();
}

ALineEdit::ALineEdit(QWidget *parent) : QLineEdit(parent)
{
    defaultText = "";
    showHintText();
}

QString ALineEdit::hintText() const
{
    return defaultText;
}

void ALineEdit::setText(const QString &newText, bool created)
{
    if(!created)
    {
        setBlackStyle();
    }
    QLineEdit::setText(newText);
}

void ALineEdit::setHintText(const QString &hintText)
{
    // Updating magic to make the property work in Designer.
    if(hintText == this->text())
    {
        return;
    }
    if(this->text() == defaultText)
    {
        defaultText = hintText;
        this->setText("");
    }
    else
    {
        defaultText = hintText;
    }
    if(!hasFocus())
    {
        showHintText();
    }
    else
    {
        hideHintText();
    }
}

void ALineEdit::showHintText()
{
    if(this->text() == "")
    {
        this->setText(defaultText, true);
        setGreyHintStyle();
    }
}

void ALineEdit::hideHintText()
{
    if(this->text() == "" || this->text() == defaultText)
    {
        this->setText("");
        setBlackStyle();
    }
}

void ALineEdit::focusInEvent(QFocusEvent *e)
{
    hideHintText();
    QLineEdit::focusInEvent(e);
}

void ALineEdit::focusOutEvent(QFocusEvent *e)
{
    // Focus out: Switch to displaying the hint text unless there is user input
    showHintText();
    QLineEdit::focusOutEvent(e);
}

void ALineEdit::setBlackStyle()
{
    QPalette palette;
    palette.setColor(QPalette::Text, QColor(0,0,0));
    setPalette(palette);

    hintStyleActive = false;
}

void ALineEdit::setGreyHintStyle()
{
    QPalette palette;
    QColor color;
    color.setNamedColor("#BBBBBB");
    palette.setColor(QPalette::Text, color);
    setPalette(palette);

    hintStyleActive = true;
}

void ALineEdit::setWrong()
{
    QPalette palette;
    palette.setColor(backgroundRole(), QColor(255, 0, 0, 55));

    if(hintStyleActive)
    {
        QColor color;
        color.setNamedColor("#BBBBBB");
        palette.setColor(QPalette::Text, color);
    }
    else
    {
        QColor color;
        color.setNamedColor("#000000");
        palette.setColor(QPalette::Text, color);
    }

    setPalette(palette);
}

void ALineEdit::resetStyle()
{
    if(hintStyleActive)
    {
        setGreyHintStyle();
    }
    else
    {
        setBlackStyle();
    }
}

---