paletteeditor.cpp

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/*
TRANSLATOR qdesigner_internal::PaletteEditor
*/
/*
TRANSLATOR qdesigner_internal::PaletteModel
*/

#include "paletteeditor.h"
#include "qtcolorbutton.h"
#include "findicondialog_p.h"

#include <iconloader_p.h>

#include <QtDesigner/QDesignerFormEditorInterface>
#include <QtDesigner/QDesignerFormWindowManagerInterface>
#include <QtDesigner/QDesignerIconCacheInterface>

#include <QtCore/QMetaProperty>
#include <QtGui/QPainter>
#include <QtGui/QToolButton>
#include <QtGui/QLabel>
#include <QtGui/QHeaderView>

namespace qdesigner_internal {

enum { BrushRole = 33 };

PaletteEditor::PaletteEditor(QDesignerFormEditorInterface *core, QWidget *parent) : 
    QDialog(parent),
    m_currentColorGroup(QPalette::Active),
    m_paletteModel(new PaletteModel(this)),
    m_modelUpdated(false),
    m_paletteUpdated(false),
    m_compute(true),
    m_core(core)
{
    ui.setupUi(this);
    ui.paletteView->setModel(m_paletteModel);
    updatePreviewPalette();
    updateStyledButton();
    ui.paletteView->setModel(m_paletteModel);
    ColorDelegate *delegate = new ColorDelegate(core, this);
    ui.paletteView->setItemDelegate(delegate);
    ui.paletteView->setEditTriggers(QAbstractItemView::AllEditTriggers);
    connect(m_paletteModel, SIGNAL(paletteChanged(const QPalette &)),
                this, SLOT(paletteChanged(const QPalette &)));
    ui.paletteView->setSelectionBehavior(QAbstractItemView::SelectRows);
    ui.paletteView->setDragEnabled(true);
    ui.paletteView->setDropIndicatorShown(true);
    ui.paletteView->setRootIsDecorated(false);
    ui.paletteView->setColumnHidden(2, true);
    ui.paletteView->setColumnHidden(3, true);
}

PaletteEditor::~PaletteEditor()
{
}

QPalette PaletteEditor::palette() const
{
    return m_editPalette;
}

void PaletteEditor::setPalette(const QPalette &palette)
{
    m_editPalette = palette;
    const uint mask = palette.resolve();
    for (int i = 0; i < (int)QPalette::NColorRoles; i++) {
        if (!(mask & (1 << i))) {
            m_editPalette.setBrush(QPalette::Active, static_cast<QPalette::ColorRole>(i),
                        m_parentPalette.brush(QPalette::Active, static_cast<QPalette::ColorRole>(i)));
            m_editPalette.setBrush(QPalette::Inactive, static_cast<QPalette::ColorRole>(i),
                        m_parentPalette.brush(QPalette::Inactive, static_cast<QPalette::ColorRole>(i)));
            m_editPalette.setBrush(QPalette::Disabled, static_cast<QPalette::ColorRole>(i),
                        m_parentPalette.brush(QPalette::Disabled, static_cast<QPalette::ColorRole>(i)));
        }
    }
    m_editPalette.resolve(mask);
    updatePreviewPalette();
    updateStyledButton();
    m_paletteUpdated = true;
    if (!m_modelUpdated)
        m_paletteModel->setPalette(m_editPalette, m_parentPalette);
    m_paletteUpdated = false;
}

void PaletteEditor::setPalette(const QPalette &palette, const QPalette &parentPalette)
{
    m_parentPalette = parentPalette;
    setPalette(palette);
}

void PaletteEditor::on_buildButton_colorChanged(const QColor &)
{
    buildPalette();
}

void PaletteEditor::on_activeRadio_clicked()
{
    m_currentColorGroup = QPalette::Active;
    updatePreviewPalette();
}

void PaletteEditor::on_inactiveRadio_clicked()
{
    m_currentColorGroup = QPalette::Inactive;
    updatePreviewPalette();
}

void PaletteEditor::on_disabledRadio_clicked()
{
    m_currentColorGroup = QPalette::Disabled;
    updatePreviewPalette();
}

void PaletteEditor::on_computeRadio_clicked()
{
    if (m_compute)
        return;
    ui.paletteView->setColumnHidden(2, true);
    ui.paletteView->setColumnHidden(3, true);
    m_compute = true;
    m_paletteModel->setCompute(true);
}

void PaletteEditor::on_detailsRadio_clicked()
{
    if (!m_compute)
        return;
    const int w = ui.paletteView->columnWidth(1);
    ui.paletteView->setColumnHidden(2, false);
    ui.paletteView->setColumnHidden(3, false);
    QHeaderView *header = ui.paletteView->header();
    header->resizeSection(1, w / 3);
    header->resizeSection(2, w / 3);
    header->resizeSection(3, w / 3);
    m_compute = false;
    m_paletteModel->setCompute(false);
}

void PaletteEditor::paletteChanged(const QPalette &palette)
{
    m_modelUpdated = true;
    if (!m_paletteUpdated)
        setPalette(palette);
    m_modelUpdated = false;
}

void PaletteEditor::buildPalette()
{
    const QColor btn = ui.buildButton->color();
    const QPalette temp = QPalette(btn);
    setPalette(temp);
}

void PaletteEditor::updatePreviewPalette()
{
    const QPalette::ColorGroup g = currentColorGroup();
    // build the preview palette
    const QPalette currentPalette = palette();
    QPalette previewPalette;
    for (int i = QPalette::WindowText; i < QPalette::NColorRoles; i++) {
        const QPalette::ColorRole r = static_cast<QPalette::ColorRole>(i);
        const QBrush br = currentPalette.brush(g, r);
        previewPalette.setBrush(QPalette::Active, r, br);
        previewPalette.setBrush(QPalette::Inactive, r, br);
        previewPalette.setBrush(QPalette::Disabled, r, br);
    }
    ui.previewFrame->setPreviewPalette(previewPalette);

    const bool enabled = g != QPalette::Disabled;
    ui.previewFrame->setEnabled(enabled);
    ui.previewFrame->setSubWindowActive(g != QPalette::Inactive);
}

void PaletteEditor::updateStyledButton()
{
    ui.buildButton->setColor(palette().color(QPalette::Active, QPalette::Button));
}

QPalette PaletteEditor::getPalette(QDesignerFormEditorInterface *core, QWidget* parent, const QPalette &init,
            const QPalette &parentPal, int *ok)
{
    PaletteEditor dlg(core, parent);
    QPalette parentPalette(parentPal);
    uint mask = init.resolve();
    for (int i = 0; i < (int)QPalette::NColorRoles; i++) {
        if (!(mask & (1 << i))) {
            parentPalette.setBrush(QPalette::Active, static_cast<QPalette::ColorRole>(i),
                        init.brush(QPalette::Active, static_cast<QPalette::ColorRole>(i)));
            parentPalette.setBrush(QPalette::Inactive, static_cast<QPalette::ColorRole>(i),
                        init.brush(QPalette::Inactive, static_cast<QPalette::ColorRole>(i)));
            parentPalette.setBrush(QPalette::Disabled, static_cast<QPalette::ColorRole>(i),
                        init.brush(QPalette::Disabled, static_cast<QPalette::ColorRole>(i)));
        }
    }
    dlg.setPalette(init, parentPalette);

    const int result = dlg.exec();
    if (ok) *ok = result;

    return result == QDialog::Accepted ? dlg.palette() : init;
}

//////////////////////

PaletteModel::PaletteModel(QObject *parent)  : 
    QAbstractTableModel(parent),
    m_compute(true)
{
    const QMetaObject *meta = metaObject();
    const int index = meta->indexOfProperty("colorRole");
    const QMetaProperty p = meta->property(index);
    const QMetaEnum e = p.enumerator();
    for (int r = QPalette::WindowText; r < QPalette::NColorRoles; r++) {
        m_roleNames[static_cast<QPalette::ColorRole>(r)] = QLatin1String(e.key(r));
    }
}

int PaletteModel::rowCount(const QModelIndex &) const
{
    return m_roleNames.count();
}

int PaletteModel::columnCount(const QModelIndex &) const
{
    return 4;
}

QVariant PaletteModel::data(const QModelIndex &index, int role) const
{
    if (!index.isValid())
        return QVariant();
    if (index.row() < 0 || index.row() >= QPalette::NColorRoles)
        return QVariant();
    if (index.column() < 0 || index.column() >= 4)
        return QVariant();

    if (index.column() == 0) {
        if (role == Qt::DisplayRole)
            return m_roleNames[static_cast<QPalette::ColorRole>(index.row())];
        if (role == Qt::EditRole) {
            const uint mask = m_palette.resolve();
            if (mask & (1 << index.row()))
                return true;
            return false;
        }
        return QVariant();
    }
    if (role == BrushRole)
        return m_palette.brush(columnToGroup(index.column()),
                    static_cast<QPalette::ColorRole>(index.row()));
    return QVariant();
}

bool PaletteModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
    if (!index.isValid())
        return false;

    if (index.column() != 0 && role == BrushRole) {
        const QBrush br = qVariantValue<QBrush>(value);
        const QPalette::ColorRole r = static_cast<QPalette::ColorRole>(index.row());
        const QPalette::ColorGroup g = columnToGroup(index.column());
        m_palette.setBrush(g, r, br);

        QModelIndex idxBegin = PaletteModel::index(r, 0);
        QModelIndex idxEnd = PaletteModel::index(r, 3);
        if (m_compute) {
            m_palette.setBrush(QPalette::Inactive, r, br);
            switch (r) {
                case QPalette::WindowText:
                case QPalette::Text:
                case QPalette::ButtonText:
                case QPalette::Base:
                    break;
                case QPalette::Dark:
                    m_palette.setBrush(QPalette::Disabled, QPalette::WindowText, br);
                    m_palette.setBrush(QPalette::Disabled, QPalette::Dark, br);
                    m_palette.setBrush(QPalette::Disabled, QPalette::Text, br);
                    m_palette.setBrush(QPalette::Disabled, QPalette::ButtonText, br);
                    idxBegin = PaletteModel::index(0, 0);
                    idxEnd = PaletteModel::index(m_roleNames.count() - 1, 3);