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 "qgis_sip.h"
#include "qgis.h"
#include <QWidget>
#include <QStandardItemModel>
#include <QPicture>
#include "qgspanelwidget.h"

#include "ui_qgseffectstackpropertieswidgetbase.h"
#include "qgis_gui.h"

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

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

  public:

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

    ~QgsEffectStackPropertiesWidget() override;

    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 = nullptr;
    QStandardItemModel *mModel = nullptr;
    QWidget *mPresentWidget = nullptr;
    QPicture mPreviewPicture;

    void loadStack();

    void loadStack( QgsEffectStack *stack );

    void updateUi();

    EffectItem *currentEffectItem() SIP_SKIP;

    void moveEffectByOffset( int offset );

    void setWidget( QWidget *widget );

};


class GUI_EXPORT QgsEffectStackPropertiesDialog: public QgsDialog
{
    Q_OBJECT

  public:

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

    QgsEffectStack *stack();

    void setPreviewPicture( const QPicture &picture );

  protected:

    QgsEffectStackPropertiesWidget *mPropertiesWidget = nullptr;

  private slots:

    void showHelp();

};


class GUI_EXPORT QgsEffectStackCompactWidget: public QgsPanelWidget
{
    Q_OBJECT

  public:

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

    void setPaintEffect( QgsPaintEffect *effect );

    QgsPaintEffect *paintEffect() const;

    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 = nullptr;
    QCheckBox *mEnabledCheckBox = nullptr;
    QToolButton *mButton = nullptr;
    QPicture mPreviewPicture;

};

#endif //QGSEFFECTSTACKPROPERTIESWIDGET_H