Fix QSettings problems:
- Reopen file in ReadOnly mode if it was open in ReadWrite mode
and is being read. This is needed for stupid QSettings which
opens file in ReadWrite mode just to call readAll() on it.
- Implement setSize(0)
#include <QStandardItemModel>
#include <QMouseEvent>
#include <QWheelEvent>
#include <QColor>
#include "colorwidget.h"
#include "hwconsts.h"
ColorWidget::ColorWidget(QStandardItemModel *colorsModel, QWidget *parent) :
QFrame(parent)
{
m_colorsModel = colorsModel;
setColor(0);
setAutoFillBackground(true);
connect(m_colorsModel, SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(dataChanged(QModelIndex,QModelIndex)));
}
ColorWidget::~ColorWidget()
{
}
void ColorWidget::setColor(int color)
{
Q_ASSERT_X(color >= 0 && color < m_colorsModel->rowCount(), "ColorWidget::setColor", "Color index out of range");
m_color = color;
QStandardItem * item = m_colorsModel->item(m_color);
setStyleSheet(QString("border: 2px solid orange; border-radius: 8px; background: %1").arg(item->data().value<QColor>().name()));
/*
QPalette p = palette();
p.setColor(QPalette::Window, item->data().value<QColor>());
setPalette(p);
*/
emit colorChanged(m_color);
}
int ColorWidget::getColor()
{
return m_color;
}
void ColorWidget::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
{
if(m_color >= topLeft.row() && m_color <= bottomRight.row())
setColor(m_color);
}
void ColorWidget::mousePressEvent(QMouseEvent * event)
{
switch(event->button())
{
case Qt::LeftButton:
nextColor();
break;
case Qt::RightButton:
previousColor();
break;
default:;
}
}
void ColorWidget::wheelEvent(QWheelEvent *event)
{
if(event->delta() > 0)
previousColor();
else
nextColor();
}
void ColorWidget::nextColor()
{
setColor((m_color + 1) % m_colorsModel->rowCount());
}
void ColorWidget::previousColor()
{
setColor((m_color + m_colorsModel->rowCount() - 1) % m_colorsModel->rowCount());
}