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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "colordialogpanel.h"
#include "utils.h"
#include <QGroupBox>
#include <QCheckBox>
#include <QPushButton>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QMessageBox>
#include <QSortFilterProxyModel>
#include <QComboBox>
#include <QTimer>
#include <QDebug>
// SVG color keyword names provided by the World Wide Web Consortium
static inline QStringList svgColorNames()
{
return QStringList()
<< "aliceblue" << "antiquewhite" << "aqua" << "aquamarine" << "azure" << "beige" << "bisque"
<< "black" << "blanchedalmond" << "blue" << "blueviolet" << "brown" << "burlywood" << "cadetblue"
<< "chartreuse" << "chocolate" << "coral" << "cornflowerblue" << "cornsilk" << "crimson" << "cyan"
<< "darkblue" << "darkcyan" << "darkgoldenrod" << "darkgray" << "darkgreen" << "darkgrey"
<< "darkkhaki" << "darkmagenta" << "darkolivegreen" << "darkorange" << "darkorchid" << "darkred"
<< "darksalmon" << "darkseagreen" << "darkslateblue" << "darkslategray" << "darkslategrey"
<< "darkturquoise" << "darkviolet" << "deeppink" << "deepskyblue" << "dimgray" << "dimgrey"
<< "dodgerblue" << "firebrick" << "floralwhite" << "forestgreen" << "fuchsia" << "gainsboro"
<< "ghostwhite" << "gold" << "goldenrod" << "gray" << "grey" << "green" << "greenyellow"
<< "honeydew" << "hotpink" << "indianred" << "indigo" << "ivory" << "khaki" << "lavender"
<< "lavenderblush" << "lawngreen" << "lemonchiffon" << "lightblue" << "lightcoral" << "lightcyan"
<< "lightgoldenrodyellow" << "lightgray" << "lightgreen" << "lightgrey" << "lightpink"
<< "lightsalmon" << "lightseagreen" << "lightskyblue" << "lightslategray" << "lightslategrey"
<< "lightsteelblue" << "lightyellow" << "lime" << "limegreen" << "linen" << "magenta"
<< "maroon" << "mediumaquamarine" << "mediumblue" << "mediumorchid" << "mediumpurple"
<< "mediumseagreen" << "mediumslateblue" << "mediumspringgreen" << "mediumturquoise"
<< "mediumvioletred" << "midnightblue" << "mintcream" << "mistyrose" << "moccasin"
<< "navajowhite" << "navy" << "oldlace" << "olive" << "olivedrab" << "orange" << "orangered"
<< "orchid" << "palegoldenrod" << "palegreen" << "paleturquoise" << "palevioletred"
<< "papayawhip" << "peachpuff" << "peru" << "pink" << "plum" << "powderblue" << "purple" << "red"
<< "rosybrown" << "royalblue" << "saddlebrown" << "salmon" << "sandybrown" << "seagreen"
<< "seashell" << "sienna" << "silver" << "skyblue" << "slateblue" << "slategray" << "slategrey"
<< "snow" << "springgreen" << "steelblue" << "tan" << "teal" << "thistle" << "tomato"
<< "turquoise" << "violet" << "wheat" << "white" << "whitesmoke" << "yellow" << "yellowgreen";
}
class ColorProxyModel : public QSortFilterProxyModel
{
public:
ColorProxyModel(QObject *parent = nullptr) : QSortFilterProxyModel(parent)
{
}
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override
{
if (role == Qt::DisplayRole) {
QString name = data(index, Qt::EditRole).toString();
return tr("%1 (%2)").arg(name, QColor(name).name());
}
if (role == Qt::DecorationRole)
return QColor(data(index, Qt::EditRole).toString());
return QSortFilterProxyModel::data(index, role);
}
};
ColorDialogPanel::ColorDialogPanel(QWidget *parent)
: QWidget(parent)
, m_colorComboBox(new QComboBox)
, m_showAlphaChannel(new QCheckBox(tr("Show alpha channel")))
, m_noButtons(new QCheckBox(tr("Don't display OK/Cancel buttons")))
, m_dontUseNativeDialog(new QCheckBox(tr("Don't use native dialog")))
{
// Options
QGroupBox *optionsGroupBox = new QGroupBox(tr("Options"), this);
QVBoxLayout *optionsLayout = new QVBoxLayout(optionsGroupBox);
optionsLayout->addWidget(m_showAlphaChannel);
optionsLayout->addWidget(m_noButtons);
optionsLayout->addWidget(m_dontUseNativeDialog);
// Color
QGroupBox *colorGroupBox = new QGroupBox(tr("Color"), this);
QVBoxLayout *colorLayout = new QVBoxLayout(colorGroupBox);
colorLayout->addWidget(m_colorComboBox);
m_colorComboBox->addItems(svgColorNames());
m_colorComboBox->setEditable(true);
QAbstractItemModel *sourceModel = m_colorComboBox->model();
ColorProxyModel* proxyModel = new ColorProxyModel(m_colorComboBox);
proxyModel->setSourceModel(sourceModel);
sourceModel->setParent(proxyModel);
m_colorComboBox->setModel(proxyModel);
// Buttons
QGroupBox *buttonsGroupBox = new QGroupBox(tr("Show"));
QVBoxLayout *buttonsLayout = new QVBoxLayout(buttonsGroupBox);
addButton(tr("Exec modal"), buttonsLayout, this, SLOT(execModal()));
addButton(tr("Show application modal"), buttonsLayout,
[this]() { showModal(Qt::ApplicationModal); });
addButton(tr("Show window modal"), buttonsLayout, [this]() { showModal(Qt::WindowModal); });
m_deleteModalDialogButton =
addButton(tr("Delete modal"), buttonsLayout, this, SLOT(deleteModalDialog()));
addButton(tr("Show non-modal"), buttonsLayout, this, SLOT(showNonModal()));
m_deleteNonModalDialogButton =
addButton(tr("Delete non-modal"), buttonsLayout, this, SLOT(deleteNonModalDialog()));
addButton(tr("Restore defaults"), buttonsLayout, this, SLOT(restoreDefaults()));
buttonsLayout->addStretch();
// Main layout
QHBoxLayout *mainLayout = new QHBoxLayout(this);
QVBoxLayout *leftLayout = new QVBoxLayout;
leftLayout->addWidget(optionsGroupBox);
leftLayout->addWidget(colorGroupBox);
leftLayout->addStretch();
mainLayout->addLayout(leftLayout);
mainLayout->addWidget(buttonsGroupBox);
enableDeleteModalDialogButton();
enableDeleteNonModalDialogButton();
restoreDefaults();
}
void ColorDialogPanel::execModal()
{
QColorDialog dialog(this);
applySettings(&dialog);
connect(&dialog, SIGNAL(accepted()), this, SLOT(accepted()));
connect(&dialog, SIGNAL(rejected()), this, SLOT(rejected()));
connect(&dialog, SIGNAL(currentColorChanged(const QColor&)), this, SLOT(currentColorChanged(const QColor&)));
dialog.setWindowTitle(tr("Modal Color Dialog Qt %1").arg(QLatin1String(QT_VERSION_STR)));
dialog.exec();
}
void ColorDialogPanel::showModal(Qt::WindowModality modality)
{
if (m_modalDialog.isNull()) {
static int n = 0;
m_modalDialog = new QColorDialog(this);
m_modalDialog->setModal(true);
connect(m_modalDialog.data(), SIGNAL(accepted()), this, SLOT(accepted()));
connect(m_modalDialog.data(), SIGNAL(rejected()), this, SLOT(rejected()));
connect(m_modalDialog.data(), SIGNAL(currentColorChanged(const QColor&)), this, SLOT(currentColorChanged(const QColor&)));
m_modalDialog->setWindowTitle(tr("Modal Color Dialog #%1 Qt %2")
.arg(++n)
.arg(QLatin1String(QT_VERSION_STR)));
enableDeleteModalDialogButton();
}
m_modalDialog->setWindowModality(modality);
applySettings(m_modalDialog);
m_modalDialog->show();
}
void ColorDialogPanel::showNonModal()
{
if (m_nonModalDialog.isNull()) {
static int n = 0;
m_nonModalDialog = new QColorDialog(this);
connect(m_nonModalDialog.data(), SIGNAL(accepted()), this, SLOT(accepted()));
connect(m_nonModalDialog.data(), SIGNAL(rejected()), this, SLOT(rejected()));
connect(m_nonModalDialog.data(), SIGNAL(currentColorChanged(const QColor&)), this, SLOT(currentColorChanged(const QColor&)));
m_nonModalDialog->setWindowTitle(tr("Non-Modal Color Dialog #%1 Qt %2")
.arg(++n)
.arg(QLatin1String(QT_VERSION_STR)));
enableDeleteNonModalDialogButton();
}
applySettings(m_nonModalDialog);
m_nonModalDialog->show();
}
void ColorDialogPanel::deleteNonModalDialog()
{
if (!m_nonModalDialog.isNull())
delete m_nonModalDialog;
enableDeleteNonModalDialogButton();
}
void ColorDialogPanel::deleteModalDialog()
{
if (!m_modalDialog.isNull())
delete m_modalDialog;
enableDeleteModalDialogButton();
}
void ColorDialogPanel::accepted()
{
const QColorDialog *d = qobject_cast<const QColorDialog *>(sender());
Q_ASSERT(d);
m_result.clear();
qDebug() << "Current color: " << d->currentColor()
<< "Selected color: " << d->selectedColor();
QDebug(&m_result).nospace()
<< "Current color: " << d->currentColor()
<< "\nSelected color: " << d->selectedColor();
QTimer::singleShot(0, this, SLOT(showAcceptedResult())); // Avoid problems with the closing (modal) dialog as parent.
}
void ColorDialogPanel::rejected()
{
qDebug() << "rejected";
}
void ColorDialogPanel::currentColorChanged(const QColor &color)
{
qDebug() << color;
}
void ColorDialogPanel::showAcceptedResult()
{
QMessageBox::information(this, tr("Color Dialog Accepted"), m_result, QMessageBox::Ok);
}
void ColorDialogPanel::restoreDefaults()
{
QColorDialog d;
m_showAlphaChannel->setChecked(d.testOption(QColorDialog::ShowAlphaChannel));
m_noButtons->setChecked(d.testOption(QColorDialog::NoButtons));
m_dontUseNativeDialog->setChecked(d.testOption(QColorDialog::DontUseNativeDialog));
}
void ColorDialogPanel::enableDeleteNonModalDialogButton()
{
m_deleteNonModalDialogButton->setEnabled(!m_nonModalDialog.isNull());
}
void ColorDialogPanel::enableDeleteModalDialogButton()
{
m_deleteModalDialogButton->setEnabled(!m_modalDialog.isNull());
}
void ColorDialogPanel::applySettings(QColorDialog *d) const
{
d->setOption(QColorDialog::ShowAlphaChannel, m_showAlphaChannel->isChecked());
d->setOption(QColorDialog::NoButtons, m_noButtons->isChecked());
d->setOption(QColorDialog::DontUseNativeDialog, m_dontUseNativeDialog->isChecked());
d->setCurrentColor(QColor(m_colorComboBox->itemData(m_colorComboBox->currentIndex(), Qt::EditRole).toString()));
}
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