ecvFontPropertyWidget.h

Go to the documentation of this file.

// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
// Local
#include "CV_db.h"
 
// Qt
#include <QColor>
#include <QWidget>
 
class QToolButton;
 
namespace Ui {
class ecvFontPropertyWidget;
}
 
class CV_DB_LIB_API ecvFontPropertyWidget : public QWidget {
    Q_OBJECT
 
public:
    struct FontProperties {
        QString family = "Arial";
        int size = 18;
        QColor color = QColor(255, 255, 255);  // Default white
        double opacity = 1.0;
        bool bold = false;
        bool italic = false;
        bool shadow = true;
        QString horizontalJustification = "Left";  // Left, Center, Right
        QString verticalJustification = "Bottom";  // Top, Center, Bottom
 
        int fontFamilyIndex() const;
 
        void setFontFamilyFromIndex(int index);
    };
 
    explicit ecvFontPropertyWidget(QWidget* parent = nullptr);
    ~ecvFontPropertyWidget() override;
 
    FontProperties fontProperties() const;
    void setFontProperties(const FontProperties& props);
 
    QString fontFamily() const;
    int fontFamilyIndex() const;
    int fontSize() const;
    QColor fontColor() const;
    double fontOpacity() const;
    bool isBold() const;
    bool isItalic() const;
    bool hasShadow() const;
    QString horizontalJustification() const;
    QString verticalJustification() const;
 
    void setFontFamily(const QString& family, bool blockSignal = false);
    void setFontFamilyIndex(int index, bool blockSignal = false);
    void setFontSize(int size, bool blockSignal = false);
    void setFontColor(const QColor& color, bool blockSignal = false);
    void setFontOpacity(double opacity, bool blockSignal = false);
    void setBold(bool bold, bool blockSignal = false);
    void setItalic(bool italic, bool blockSignal = false);
    void setShadow(bool shadow, bool blockSignal = false);
    void setHorizontalJustification(const QString& justification,
                                    bool blockSignal = false);
    void setVerticalJustification(const QString& justification,
                                  bool blockSignal = false);
 
    void setColorPickerVisible(bool visible);
 
    void setControlsEnabled(bool enabled);
 
Q_SIGNALS:
    void fontPropertiesChanged();
 
    void fontFamilyChanged(const QString& family);
    void fontFamilyIndexChanged(int index);
    void fontSizeChanged(int size);
    void fontColorChanged(const QColor& color);
    void fontOpacityChanged(double opacity);
    void boldChanged(bool bold);
    void italicChanged(bool italic);
    void shadowChanged(bool shadow);
    void horizontalJustificationChanged(const QString& justification);
    void verticalJustificationChanged(const QString& justification);
 
private Q_SLOTS:
    void onFontFamilyChanged(int index);
    void onFontSizeChanged(int size);
    void onFontColorClicked();
    void onFontOpacityChanged(double opacity);
    void onBoldToggled(bool checked);
    void onItalicToggled(bool checked);
    void onShadowToggled(bool checked);
    void onHorizontalJustificationTriggered(QAction* action);
    void onVerticalJustificationTriggered(QAction* action);
 
protected:
    void resizeEvent(QResizeEvent* event) override;
 
private:
    void setupConnections();
    void updateColorButtonAppearance();
    void setupHorizontalJustificationButton();
    void setupVerticalJustificationButton();
    void updateJustificationButtonIcon(const QString& justification,
                                       QToolButton* button);
 
    Ui::ecvFontPropertyWidget* ui;
 
    QColor m_fontColor;
 
    QString m_horizontalJustification = "Left";
    QString m_verticalJustification = "Bottom";
 
    bool m_blockSignals = false;
};