oclickablelabel.cpp

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#include "oclickablelabel.h"
#include <stdio.h>

OClickableLabel::OClickableLabel(QWidget* parent,
                               const char* name,
                               WFlags fl) :
  QLabel(parent,name,fl)
{
    textInverted=false;
    isToggle=false;
    isDown=false;
    showState(false);
    setFrameShadow(Sunken);
}

void OClickableLabel::setToggleButton(bool t) {
    isToggle=t;
}

void OClickableLabel::mousePressEvent( QMouseEvent * /*e*/ ) {
    if (isToggle && isDown) {
        showState(false);
    } else {
        showState(true);
    }
}

void OClickableLabel::mouseReleaseEvent( QMouseEvent *e ) {
    if (rect().contains(e->pos()) && isToggle) isDown=!isDown;

    if (isToggle && isDown) {
        showState(true);
    } else {
        showState(false);
    }

    if (rect().contains(e->pos())) {
        if (isToggle) {
            emit toggled(isDown);
        }
        emit clicked();
    }
}

void OClickableLabel::mouseMoveEvent( QMouseEvent *e ) {
    if (rect().contains(e->pos())) {
        if (isToggle && isDown) {
            showState(false);
        } else {
            showState(true);
        }
    } else {
        if (isToggle && isDown) {
            showState(true);
        } else {
            showState(false);
        }
    }
}

void OClickableLabel::showState(bool on) {
  if (on) {
    //setFrameShape(Panel);
    setInverted(true);
    setBackgroundMode(PaletteHighlight);
  } else {
    //setFrameShape(NoFrame);
    setInverted(false);
    setBackgroundMode(PaletteBackground);
  }
  repaint();
}

void OClickableLabel::setInverted(bool on) {
    if ( (!textInverted && on) || (textInverted && !on) ) {
        QPalette pal=palette();
        QColor col=pal.color(QPalette::Normal, QColorGroup::Foreground);
        col.setRgb(255-col.red(),255-col.green(),255-col.blue());
        pal.setColor(QPalette::Normal, QColorGroup::Foreground, col);
        setPalette(pal);
        textInverted=!textInverted;
    }
}

void OClickableLabel::setOn(bool on) {
  isDown=on;
  showState(isDown);
}

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