qgslayoutlabelwidget.h

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/***************************************************************************
                         qgslayoutlabelwidget.h
                         ----------------------
    begin                : October 2017
    copyright            : (C) 2017 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 QGSLAYOUTLABELWIDGET_H
#define QGSLAYOUTLABELWIDGET_H
 
// We don't want to expose this in the public API
#define SIP_NO_FILE
 
#include "ui_qgslayoutlabelwidgetbase.h"
 
#include <functional>
 
#include "qgis_gui.h"
#include "qgslayoutitemlabel.h"
#include "qgslayoutitemwidget.h"

class GUI_EXPORT QgsLayoutLabelWidget : public QgsLayoutItemBaseWidget, public QgsExpressionContextGenerator, private Ui::QgsLayoutLabelWidgetBase
{
    Q_OBJECT
  public:
    explicit QgsLayoutLabelWidget( QgsLayoutItemLabel *label );
    void setMasterLayout( QgsMasterLayoutInterface *masterLayout ) override;
    QgsExpressionContext createExpressionContext() const override;

    static void buildInsertDynamicTextMenu( QgsLayout *layout, QMenu *menu, const std::function<void( const QString &expression )> &callback );
 
  protected:
    bool setNewItem( QgsLayoutItem *item ) override;
 
  private slots:
    void mHtmlCheckBox_stateChanged( int i );
    void mTextEdit_textChanged();
    void mInsertExpressionButton_clicked();
    void mMarginXDoubleSpinBox_valueChanged( double d );
    void mMarginYDoubleSpinBox_valueChanged( double d );
    void horizontalAlignmentChanged();
    void verticalAlignmentChanged();
    void setGuiElementValues();
    void fontChanged();
 
  private:
    QPointer<QgsLayoutItemLabel> mLabel = nullptr;
 
    QgsLayoutItemPropertiesWidget *mItemPropertiesWidget = nullptr;
 
    QMenu *mDynamicTextMenu = nullptr;
 
    void blockAllSignals( bool block );
};
 
#endif //QGSLAYOUTLABELWIDGET_H