Mega Code Archive
Color list editor
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#ifndef COLORLISTEDITOR_H
#define COLORLISTEDITOR_H
#include <QComboBox>
QT_BEGIN_NAMESPACE
class QColor;
class QWidget;
QT_END_NAMESPACE
class ColorListEditor : public QComboBox
{
Q_OBJECT
Q_PROPERTY(QColor color READ color WRITE setColor USER true)
public:
ColorListEditor(QWidget *widget = 0);
public:
QColor color() const;
void setColor(QColor c);
private:
void populateList();
};
#endif
#include <QtGui>
#include "colorlisteditor.h"
ColorListEditor::ColorListEditor(QWidget *widget) : QComboBox(widget)
{
populateList();
}
QColor ColorListEditor::color() const
{
return qVariantValue<QColor>(itemData(currentIndex(), Qt::DecorationRole));
}
void ColorListEditor::setColor(QColor color)
{
setCurrentIndex(findData(color, int(Qt::DecorationRole)));
}
void ColorListEditor::populateList()
{
QStringList colorNames = QColor::colorNames();
for (int i = 0; i < colorNames.size(); ++i) {
QColor color(colorNames[i]);
insertItem(i, colorNames[i]);
setItemData(i, color, Qt::DecorationRole);
}
}
#ifndef WINDOW_H
#define WINDOW_H
#include <QWidget>
class Window : public QWidget
{
Q_OBJECT
public:
Window();
private:
void createGUI();
};
#endif
#include <QtGui>
#include "window.h"
#include "colorlisteditor.h"
Window::Window()
{
QItemEditorFactory *factory = new QItemEditorFactory;
QItemEditorCreatorBase *colorListCreator =
new QStandardItemEditorCreator<ColorListEditor>();
factory->registerEditor(QVariant::Color, colorListCreator);
QItemEditorFactory::setDefaultFactory(factory);
createGUI();
}
void Window::createGUI()
{
QList<QPair<QString, QColor> > list;
list << QPair<QString, QColor>(tr("Alice"), QColor("aliceblue")) <<
QPair<QString, QColor>(tr("Neptun"), QColor("aquamarine")) <<
QPair<QString, QColor>(tr("Ferdinand"), QColor("springgreen"));
QTableWidget *table = new QTableWidget(3, 2);
table->setHorizontalHeaderLabels(QStringList() << tr("Name")
<< tr("Hair Color"));
table->verticalHeader()->setVisible(false);
table->resize(150, 50);
for (int i = 0; i < 3; ++i) {
QPair<QString, QColor> pair = list.at(i);
QTableWidgetItem *nameItem = new QTableWidgetItem(pair.first);
QTableWidgetItem *colorItem = new QTableWidgetItem;
colorItem->setData(Qt::DisplayRole, pair.second);
table->setItem(i, 0, nameItem);
table->setItem(i, 1, colorItem);
}
table->resizeColumnToContents(0);
table->horizontalHeader()->setStretchLastSection(true);
QGridLayout *layout = new QGridLayout;
layout->addWidget(table, 0, 0);
setLayout(layout);
setWindowTitle(tr("Color Editor Factory"));
}
#include <QtGui>
#include "window.h"
int main(int argv, char **args)
{
QApplication app(argv, args);
Window window;
window.show();
return app.exec();
}
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