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/*
palettemodel.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2012 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "palettemodel.h"
#include <QIcon>
#include <QPainter>
using namespace GammaRay;
struct role_t
{
const char *name;
QPalette::ColorRole role;
};
static const role_t paletteRoles[] = {
{ "Window", QPalette::Window },
{ "WindowText", QPalette::WindowText },
{ "Base", QPalette::Base },
{ "AlternateBase", QPalette::AlternateBase },
{ "Text", QPalette::Text },
{ "ToolTipBase", QPalette::ToolTipBase },
{ "ToolTipText", QPalette::ToolTipText },
{ "Button", QPalette::Button },
{ "ButtonText", QPalette::ButtonText },
{ "BrightText", QPalette::BrightText },
{ "Light", QPalette::Light },
{ "Midlight", QPalette::Midlight },
{ "Dark", QPalette::Dark },
{ "Mid", QPalette::Mid },
{ "Shadow", QPalette::Shadow },
{ "Highlight", QPalette::Highlight },
{ "HighlightedText", QPalette::HighlightedText },
{ "Link", QPalette::Link },
{ "LinkVisited", QPalette::LinkVisited }
};
struct group_t
{
const char *name;
QPalette::ColorGroup group;
};
static const group_t paletteGroups[] = {
{ "Active", QPalette::Active },
{ "Inactive", QPalette::Inactive },
{ "Disabled", QPalette::Disabled },
};
PaletteModel::PaletteModel(QObject *parent)
: QAbstractTableModel(parent)
, m_editable(false)
{
}
QPalette PaletteModel::palette() const
{
return m_palette;
}
void PaletteModel::setPalette(const QPalette &palette)
{
beginResetModel();
m_palette = palette;
endResetModel();
}
void PaletteModel::setEditable(bool editable)
{
m_editable = editable;
}
QVariant PaletteModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
if (role == Qt::DisplayRole) {
if (index.column() == 0)
return paletteRoles[index.row()].name;
return m_palette.color(paletteGroups[index.column() - 1].group,
paletteRoles[index.row()].role)
.name();
} else if (role == Qt::EditRole && index.column() > 0) {
// TODO return QBrush once we have an editor for that
return m_palette.color(paletteGroups[index.column() - 1].group,
paletteRoles[index.row()].role);
} else if (role == Qt::DecorationRole && index.column() != 0) {
const QBrush brush = m_palette.brush(paletteGroups[index.column() - 1].group,
paletteRoles[index.row()].role);
QPixmap pixmap(32, 32);
QPainter painter(&pixmap);
painter.fillRect(pixmap.rect(), Qt::black);
painter.fillRect(pixmap.rect().adjusted(1, 1, -1, -1), brush);
return QIcon(pixmap);
}
return QVariant();
}
bool PaletteModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
if (!m_editable)
return false;
if (index.isValid() && role == Qt::EditRole) {
if (value.typeId() == QMetaType::QColor) {
m_palette.setColor(paletteGroups[index.column() - 1].group,
paletteRoles[index.row()].role, value.value<QColor>());
} else if (value.typeId() == QMetaType::QBrush) {
m_palette.setBrush(paletteGroups[index.column() - 1].group,
paletteRoles[index.row()].role, value.value<QBrush>());
}
}
return QAbstractItemModel::setData(index, value, role);
}
int PaletteModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return 1 + sizeof(paletteGroups) / sizeof(paletteGroups[0]);
}
int PaletteModel::rowCount(const QModelIndex &parent) const
{
if (parent.isValid())
return 0;
return sizeof(paletteRoles) / sizeof(paletteRoles[0]);
}
QVariant PaletteModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
if (section == 0)
return tr("Role");
return paletteGroups[section - 1].name;
}
return QAbstractItemModel::headerData(section, orientation, role);
}
Qt::ItemFlags PaletteModel::flags(const QModelIndex &index) const
{
const Qt::ItemFlags baseFlags = QAbstractTableModel::flags(index);
if (m_editable && index.column() > 0)
return baseFlags | Qt::ItemIsEditable;
return baseFlags;
}
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