qgslabelingenginerulewidget.h

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/***************************************************************************
    qgslabelingenginerulewidget.h
    ------------------------
    begin                : September 2024
    copyright            : (C) 2024 by Nyall Dawson
    email                : nyall dot dawson 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 QGSLABELINGENGINERULEWIDGET_H
#define QGSLABELINGENGINERULEWIDGET_H
 
#include "ui_qgslabelingruleavoidoverlapwidgetbase.h"
#include "ui_qgslabelingrulemaxdistancelabeltofeaturewidgetbase.h"
#include "ui_qgslabelingrulemindistancelabeltofeaturewidgetbase.h"
#include "ui_qgslabelingrulemindistancelabeltolabelwidgetbase.h"
 
#include "qgis_sip.h"
#include "qgsguiutils.h"
#include "qgspanelwidget.h"
 
#include <QDialog>
 
class QgsAbstractLabelingEngineRule;
class QDialogButtonBox;

class GUI_EXPORT QgsLabelingEngineRuleWidget : public QgsPanelWidget
{
    Q_OBJECT
 
  public:
    QgsLabelingEngineRuleWidget( QWidget *parent SIP_TRANSFERTHIS = nullptr )
      : QgsPanelWidget( parent )
    {}

    virtual void setRule( const QgsAbstractLabelingEngineRule *rule ) = 0;

    virtual QgsAbstractLabelingEngineRule *rule() = 0 SIP_TRANSFERBACK;
 
  signals:

    void changed();
};
 
#ifndef SIP_RUN

class GUI_EXPORT QgsLabelingEngineRuleDialog : public QDialog
{
    Q_OBJECT
 
  public:
    QgsLabelingEngineRuleDialog( QgsLabelingEngineRuleWidget *widget, QWidget *parent SIP_TRANSFERTHIS = nullptr, Qt::WindowFlags flags = QgsGuiUtils::ModalDialogFlags );

    void setRule( const QgsAbstractLabelingEngineRule *rule );

    QgsAbstractLabelingEngineRule *rule() SIP_TRANSFERBACK;
 
  private:
    QgsLabelingEngineRuleWidget *mWidget = nullptr;
    QDialogButtonBox *mButtonBox = nullptr;
};
 

class GUI_EXPORT QgsLabelingEngineRuleAvoidLabelOverlapWithFeatureWidget : public QgsLabelingEngineRuleWidget, private Ui_QgsLabelingRuleAvoidLabelOverlapWithFeatureWidgetBase
{
    Q_OBJECT
 
  public:
    QgsLabelingEngineRuleAvoidLabelOverlapWithFeatureWidget( QWidget *parent = nullptr );
 
    void setRule( const QgsAbstractLabelingEngineRule *rule ) override;
    QgsAbstractLabelingEngineRule *rule() override SIP_TRANSFERBACK;
 
  private slots:
 
    void onChanged();
 
  private:
    bool mBlockSignals = false;
};
 
class GUI_EXPORT QgsLabelingEngineRuleMinimumDistanceLabelToFeatureWidget : public QgsLabelingEngineRuleWidget, private Ui_QgsLabelingRuleMinimumDistanceLabelToFeatureWidgetBase
{
    Q_OBJECT
 
  public:
    QgsLabelingEngineRuleMinimumDistanceLabelToFeatureWidget( QWidget *parent = nullptr );
 
    void setRule( const QgsAbstractLabelingEngineRule *rule ) override;
    QgsAbstractLabelingEngineRule *rule() override SIP_TRANSFERBACK;
 
  private slots:
 
    void onChanged();
 
  private:
    bool mBlockSignals = false;
};
 
class GUI_EXPORT QgsLabelingEngineRuleMaximumDistanceLabelToFeatureWidget : public QgsLabelingEngineRuleWidget, private Ui_QgsLabelingRuleMaximumDistanceLabelToFeatureWidgetBase
{
    Q_OBJECT
 
  public:
    QgsLabelingEngineRuleMaximumDistanceLabelToFeatureWidget( QWidget *parent = nullptr );
 
    void setRule( const QgsAbstractLabelingEngineRule *rule ) override;
    QgsAbstractLabelingEngineRule *rule() override SIP_TRANSFERBACK;
 
  private slots:
 
    void onChanged();
 
  private:
    bool mBlockSignals = false;
};
 
class GUI_EXPORT QgsLabelingEngineRuleMinimumDistanceLabelToLabelWidget : public QgsLabelingEngineRuleWidget, private Ui_QgsLabelingRuleMinimumDistanceLabelToLabelWidgetBase
{
    Q_OBJECT
 
  public:
    QgsLabelingEngineRuleMinimumDistanceLabelToLabelWidget( QWidget *parent = nullptr );
 
    void setRule( const QgsAbstractLabelingEngineRule *rule ) override;
    QgsAbstractLabelingEngineRule *rule() override SIP_TRANSFERBACK;
 
  private slots:
 
    void onChanged();
 
  private:
    bool mBlockSignals = false;
};

 
 
#endif
 
 
#endif // QGSLABELINGENGINERULEWIDGET_H