QGIS API Documentation 3.29.0-Master (19d7edcfed)
qgslayertreeembeddedwidgetsimpl.h
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1/***************************************************************************
2 qgslayertreeembeddedwidgetsimpl.h
3 --------------------------------------
4 Date : May 2016
5 Copyright : (C) 2016 by Martin Dobias
6 Email : wonder dot sk at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#ifndef QGSLAYERTREEEMBEDDEDWIDGETSIMPL_H
17#define QGSLAYERTREEEMBEDDEDWIDGETSIMPL_H
18
19#include <QPointer>
20#include <QWidget>
22
23
24class QSlider;
25class QTimer;
26class QgsMapLayer;
27
29
31
37class QgsLayerTreeOpacityWidget : public QWidget
38{
39 Q_OBJECT
40 public:
41 QgsLayerTreeOpacityWidget( QgsMapLayer *layer );
42
43 QSize sizeHint() const override;
44
45 class Provider : public QgsLayerTreeEmbeddedWidgetProvider
46 {
47 public:
48 QString id() const override;
49 QString name() const override;
50 QgsLayerTreeOpacityWidget *createWidget( QgsMapLayer *layer, int widgetIndex ) override;
51 bool supportsLayer( QgsMapLayer *layer ) override;
52 };
53
54 public slots:
55 void sliderValueChanged( int value );
56 void updateOpacityFromSlider();
57 void layerTrChanged();
58
59 private:
60 QPointer<QgsMapLayer> mLayer;
61 QSlider *mSlider = nullptr;
62 QTimer *mTimer = nullptr;
63};
65#endif // QGSLAYERTREEEMBEDDEDWIDGETSIMPL_H
Provider interface to be implemented in order to introduce new kinds of embedded widgets for use in l...
Base class for all map layer types.
Definition: qgsmaplayer.h:73
#define SIP_NO_FILE