paletteeditor.cpp

来自「奇趣公司比较新的qt/emd版本」· C++ 代码 · 共 638 行 · 第 1/2 页

                    break;
                case QPalette::Window:
                    m_palette.setBrush(QPalette::Disabled, QPalette::Base, br);
                    m_palette.setBrush(QPalette::Disabled, QPalette::Window, br);
                    idxBegin = PaletteModel::index(QPalette::Base, 0);
                    break;
                case QPalette::Highlight:
                    //m_palette.setBrush(QPalette::Disabled, QPalette::Highlight, c.dark(120));
                    break;
                default:
                    m_palette.setBrush(QPalette::Disabled, r, br);
                    break;
            }
        }
        emit paletteChanged(m_palette);
        emit dataChanged(idxBegin, idxEnd);
        return true;
    }
    if (index.column() == 0 && role == Qt::EditRole) {
        uint mask = m_palette.resolve();
        const bool isMask = qVariantValue<bool>(value);
        const int r = index.row();
        if (isMask)
            mask |= (1 << r);
        else {
            m_palette.setBrush(QPalette::Active, static_cast<QPalette::ColorRole>(r),
                        m_parentPalette.brush(QPalette::Active, static_cast<QPalette::ColorRole>(r)));
            m_palette.setBrush(QPalette::Inactive, static_cast<QPalette::ColorRole>(r),
                        m_parentPalette.brush(QPalette::Inactive, static_cast<QPalette::ColorRole>(r)));
            m_palette.setBrush(QPalette::Disabled, static_cast<QPalette::ColorRole>(r),
                        m_parentPalette.brush(QPalette::Disabled, static_cast<QPalette::ColorRole>(r)));

            mask &= ~(1 << index.row());
        }
        m_palette.resolve(mask);
        emit paletteChanged(m_palette);
        const QModelIndex idxEnd = PaletteModel::index(r, 3);
        emit dataChanged(index, idxEnd);
        return true;
    }
    return false;
}

Qt::ItemFlags PaletteModel::flags(const QModelIndex &index) const
{
    if (!index.isValid())
        return Qt::ItemIsEnabled;
    return Qt::ItemIsEditable | Qt::ItemIsEnabled;
}

QVariant PaletteModel::headerData(int section, Qt::Orientation orientation,
                int role) const
{
    if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
        if (section == 0)
            return tr("Color Role");
        if (section == groupToColumn(QPalette::Active))
            return tr("Active");
        if (section == groupToColumn(QPalette::Inactive))
            return tr("Inactive");
        if (section == groupToColumn(QPalette::Disabled))
            return tr("Disabled");
    }
    return QVariant();
}

QPalette PaletteModel::getPalette() const
{
    return m_palette;
}

void PaletteModel::setPalette(const QPalette &palette, const QPalette &parentPalette)
{
    m_parentPalette = parentPalette;
    m_palette = palette;
    const QModelIndex idxBegin = index(0, 0);
    const QModelIndex idxEnd = index(m_roleNames.count() - 1, 3);
    emit dataChanged(idxBegin, idxEnd);
}

QPalette::ColorGroup PaletteModel::columnToGroup(int index) const
{
    if (index == 1)
        return QPalette::Active;
    if (index == 2)
        return QPalette::Inactive;
    return QPalette::Disabled;
}

int PaletteModel::groupToColumn(QPalette::ColorGroup group) const
{
    if (group == QPalette::Active)
        return 1;
    if (group == QPalette::Inactive)
        return 2;
    return 3;
}

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

BrushEditor::BrushEditor(QDesignerFormEditorInterface *core, QWidget *parent) :
    QWidget(parent),
    m_button(new QtColorButton(this)),
    m_changed(false),
    m_core(core)    
{
    QLayout *layout = new QHBoxLayout(this);
    layout->setMargin(0);
    layout->addWidget(m_button);
    connect(m_button, SIGNAL(colorChanged(const QColor &)), this, SLOT(brushChanged()));
    setFocusProxy(m_button);
}

void BrushEditor::setBrush(const QBrush &brush)
{
    m_button->setColor(brush.color());
    m_changed = false;
}

QBrush BrushEditor::brush() const
{
    return QBrush(m_button->color());
}

void BrushEditor::brushChanged()
{
    m_changed = true;
    emit changed(this);
}

void BrushEditor::textureChooserActivated(QWidget *parent, const QBrush &initialBrush)
{
    FindIconDialog dialog(m_core->formWindowManager()->activeFormWindow(), parent);
    QString file_path;
    QString qrc_path;

    QPixmap pixmap = initialBrush.texture();
    if (!pixmap.isNull()) {
        file_path = m_core->iconCache()->pixmapToFilePath(pixmap);
        qrc_path = m_core->iconCache()->pixmapToQrcPath(pixmap);
    }

    dialog.setPaths(qrc_path, file_path);
    if (dialog.exec()) {
        file_path = dialog.filePath();
        qrc_path = dialog.qrcPath();
        if (!file_path.isEmpty()) {
            pixmap = m_core->iconCache()->nameToPixmap(file_path, qrc_path);
        }
    }
}

bool BrushEditor::changed() const
{
    return m_changed;
}

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

RoleEditor::RoleEditor(QWidget *parent) :
    QWidget(parent),
    m_label(new QLabel(this)),
    m_edited(false)
{
    QHBoxLayout *layout = new QHBoxLayout(this);
    layout->setMargin(0);
    layout->setSpacing(0);

    layout->addWidget(m_label);
    m_label->setAutoFillBackground(true);
    m_label->setIndent(3); // ### hardcode it should have the same value of textMargin in QItemDelegate
    setFocusProxy(m_label);

    QToolButton *button = new QToolButton(this);
    button->setToolButtonStyle(Qt::ToolButtonIconOnly);
    button->setIcon(createIconSet(QLatin1String("resetproperty.png")));
    button->setIconSize(QSize(8,8));
    button->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::MinimumExpanding));
    layout->addWidget(button);
    connect(button, SIGNAL(clicked()), this, SLOT(emitResetProperty()));
}

void RoleEditor::setLabel(const QString &label)
{
    m_label->setText(label);
}

void RoleEditor::setEdited(bool on)
{
    QFont font;
    if (on == true) {
        font.setBold(on);
    }
    m_label->setFont(font);
    m_edited = on;
}

bool RoleEditor::edited() const
{
    return m_edited;
}

void RoleEditor::emitResetProperty()
{
    setEdited(false);
    emit changed(this);
}
        
//////////////////////////
ColorDelegate::ColorDelegate(QDesignerFormEditorInterface *core, QObject *parent) :
    QItemDelegate(parent),
    m_core(core)
{ 
}

QWidget *ColorDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &,
                const QModelIndex &index) const
{
    QWidget *ed = 0;
    if (index.column() == 0) {
        RoleEditor *editor = new RoleEditor(parent);
        connect(editor, SIGNAL(changed(QWidget *)), this, SIGNAL(commitData(QWidget *)));
        //editor->setFocusPolicy(Qt::NoFocus);
        //editor->installEventFilter(const_cast<ColorDelegate *>(this));
        ed = editor;
    } else {
        BrushEditor *editor = new BrushEditor(m_core, parent);
        connect(editor, SIGNAL(changed(QWidget *)), this, SIGNAL(commitData(QWidget *)));
        editor->setFocusPolicy(Qt::NoFocus);
        editor->installEventFilter(const_cast<ColorDelegate *>(this));
        ed = editor;
    }
    return ed;
}

void ColorDelegate::setEditorData(QWidget *ed, const QModelIndex &index) const
{
    if (index.column() == 0) {
        const bool mask = qVariantValue<bool>(index.model()->data(index, Qt::EditRole));
        RoleEditor *editor = static_cast<RoleEditor *>(ed);
        editor->setEdited(mask);
        const QString colorName = qVariantValue<QString>(index.model()->data(index, Qt::DisplayRole));
        editor->setLabel(colorName);
    } else {
        const QBrush br = qVariantValue<QBrush>(index.model()->data(index, BrushRole));
        BrushEditor *editor = static_cast<BrushEditor *>(ed);
        editor->setBrush(br);
    }
}

void ColorDelegate::setModelData(QWidget *ed, QAbstractItemModel *model,
                const QModelIndex &index) const
{
    if (index.column() == 0) {
        RoleEditor *editor = static_cast<RoleEditor *>(ed);
        const bool mask = editor->edited();
        model->setData(index, mask, Qt::EditRole);
    } else {
        BrushEditor *editor = static_cast<BrushEditor *>(ed);
        if (editor->changed()) {
            QBrush br = editor->brush();
            model->setData(index, br, BrushRole);
        }
    }
}

void ColorDelegate::updateEditorGeometry(QWidget *ed,
                const QStyleOptionViewItem &option, const QModelIndex &index) const
{
    QItemDelegate::updateEditorGeometry(ed, option, index);
    ed->setGeometry(ed->geometry().adjusted(0, 0, -1, -1));
}

void ColorDelegate::paint(QPainter *painter, const QStyleOptionViewItem &opt,
            const QModelIndex &index) const
{
    QStyleOptionViewItem option = opt;
    const bool mask = qVariantValue<bool>(index.model()->data(index, Qt::EditRole));
    if (index.column() == 0 && mask) {
        option.font.setBold(true);
    }
    QBrush br = qVariantValue<QBrush>(index.model()->data(index, BrushRole));
    if (br.style() == Qt::LinearGradientPattern ||
            br.style() == Qt::RadialGradientPattern ||
            br.style() == Qt::ConicalGradientPattern) {
        painter->save();
        painter->translate(option.rect.x(), option.rect.y());
        painter->scale(option.rect.width(), option.rect.height());
        QGradient gr = *(br.gradient());
        gr.setCoordinateMode(QGradient::LogicalMode);
        br = QBrush(gr);
        painter->fillRect(0, 0, 1, 1, br);
        painter->restore();
    } else {
        painter->save();
        painter->setBrushOrigin(option.rect.x(), option.rect.y());
        painter->fillRect(option.rect, br);
        painter->restore();
    }
    QItemDelegate::paint(painter, option, index);
    
    
    const QColor color = static_cast<QRgb>(QApplication::style()->styleHint(QStyle::SH_Table_GridLineColor, &option));
    const QPen oldPen = painter->pen();
    painter->setPen(QPen(color));

    painter->drawLine(option.rect.right(), option.rect.y(),
            option.rect.right(), option.rect.bottom());
    painter->drawLine(option.rect.x(), option.rect.bottom(),
            option.rect.right(), option.rect.bottom());
    painter->setPen(oldPen);
}

QSize ColorDelegate::sizeHint(const QStyleOptionViewItem &opt, const QModelIndex &index) const
{
    return QItemDelegate::sizeHint(opt, index) + QSize(4, 4);
}
}