qgseffectstackpropertieswidget.h

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/***************************************************************************
    qgseffectstackpropertieswidget.h
    --------------------------------
    begin                : January 2015
    copyright            : (C) 2015 by Nyall Dawson
    email                : nyall dot dawson at gmail.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 QGSEFFECTSTACKPROPERTIESWIDGET_H
#define QGSEFFECTSTACKPROPERTIESWIDGET_H

#include "qgsdialog.h"
#include "effects/qgseffectstack.h"
#include <QWidget>
#include <QStandardItemModel>
#include <qgspanelwidget.h>

#include "ui_qgseffectstackpropertieswidgetbase.h"

class EffectItem;
class QgsPaintEffect;
class QCheckBox;
class QToolButton;
class QgsPanelWidget;

class GUI_EXPORT QgsEffectStackPropertiesWidget : public QgsPanelWidget, private Ui::QgsEffectStackPropertiesWidgetBase
{
    Q_OBJECT

  public:

    QgsEffectStackPropertiesWidget( QgsEffectStack* stack, QWidget* parent = nullptr );

    ~QgsEffectStackPropertiesWidget();

    QgsEffectStack* stack() { return mStack; }

    void setPreviewPicture( const QPicture& picture );

  public slots:

    void moveEffectDown();

    void moveEffectUp();

    void addEffect();

    void removeEffect();

    void effectChanged();

    void updatePreview();

    void changeEffect( QgsPaintEffect* newEffect );

  protected:

    QgsEffectStack* mStack;
    QStandardItemModel* mModel;
    QWidget* mPresentWidget;
    QPicture* mPreviewPicture;

    void loadStack();

    void loadStack( QgsEffectStack* stack );

    void updateUi();

    EffectItem* currentEffectItem();

    void moveEffectByOffset( int offset );

    void setWidget( QWidget* widget );

};


class GUI_EXPORT QgsEffectStackPropertiesDialog: public QgsDialog
{
    Q_OBJECT

  public:

    QgsEffectStackPropertiesDialog( QgsEffectStack* stack, QWidget* parent = nullptr, const Qt::WindowFlags& f = nullptr );
    ~QgsEffectStackPropertiesDialog();

    QgsEffectStack* stack();

    void setPreviewPicture( const QPicture& picture );

  protected:

    QgsEffectStackPropertiesWidget* mPropertiesWidget;

};


class GUI_EXPORT QgsEffectStackCompactWidget: public QgsPanelWidget
{
    Q_OBJECT

  public:

    QgsEffectStackCompactWidget( QWidget* parent = nullptr, QgsPaintEffect* effect = nullptr );
    ~QgsEffectStackCompactWidget();

    void setPaintEffect( QgsPaintEffect* effect );

    QgsPaintEffect* paintEffect() const { return mStack; }

    void setPreviewPicture( const QPicture &picture );

  signals:

    void changed();

  private slots:

    void showDialog();

    void enableToggled( bool checked );

    void updateAcceptWidget( QgsPanelWidget* panel );
    void updateEffectLive();

  private:
    QgsEffectStack* mStack;
    QCheckBox* mEnabledCheckBox;
    QToolButton* mButton;
    QPicture* mPreviewPicture;

};

#endif //QGSEFFECTSTACKPROPERTIESWIDGET_H