qgsmeshlabelingwidget.h

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/***************************************************************************
    qgsmeshlabelingwidget.h
    ---------------------
    begin                : November 2023
    copyright            : (C) 2023 by Alexander Bruy
    email                : alexander dot bruy at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
#ifndef QGSMESHLABELINGWIDGET_H
#define QGSMESHLABELINGWIDGET_H
 
// We don't want to expose this in the public API
#define SIP_NO_FILE
 
#include "ui_qgsmeshlabelingwidget.h"
 
#include "qgis_gui.h"
#include "qgsmaplayerconfigwidget.h"
#include "qgsmeshlayerlabeling.h"
#include "qgspallabeling.h"
 
#include <QWidget>
 
class QgsLabelingGui;
class QgsMapCanvas;
class QgsMeshLayer;
class QgsMapLayer;
class QgsMessageBar;

class GUI_EXPORT QgsMeshLabelingWidget : public QgsMapLayerConfigWidget, private Ui::QgsMeshLabelingWidget
{
    Q_OBJECT
  public:
    QgsMeshLabelingWidget( QgsMeshLayer *layer, QgsMapCanvas *canvas, QWidget *parent = nullptr, QgsMessageBar *messageBar = nullptr );
 
    void setDockMode( bool dockMode ) override;

    QgsLabelingGui *labelingGui();
 
  public slots:
    void setLayer( QgsMapLayer *layer );
    void writeSettingsToLayer();

    void apply() override;

    void adaptToLayer();

    void resetSettings();
 
  signals:
    void auxiliaryFieldCreated();
 
  private slots:
    void labelModeChanged( int index );
 
  private:
    enum Mode
    {
      ModeNone,
      ModeVertices,
      ModeFaces
    };
 
    QgsMeshLayer *mLayer = nullptr;
    QgsMapCanvas *mCanvas = nullptr;
    QgsMessageBar *mMessageBar = nullptr;
 
    QWidget *mWidget = nullptr;
    std::unique_ptr<QgsPalLayerSettings> mSettings;
    std::unique_ptr<QgsAbstractMeshLayerLabeling> mOldSettings;
    bool mOldLabelsEnabled = false;
};
 
#endif // QGSMESHLABELINGWIDGET_H