QGIS API Documentation 3.34.0-Prizren (ffbdd678812)
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qgstemporalcontrollerwidget.h
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1/***************************************************************************
2 qgstemporalcontrollerwidget.h
3 ---------------
4 begin : February 2020
5 copyright : (C) 2020 by Samweli Mwakisambwe
6 email : samweli at kartoza dot com
7 ***************************************************************************/
8
9/***************************************************************************
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 ***************************************************************************/
17
18#ifndef QGSTEMPORALCONTROLLERWIDGET_H
19#define QGSTEMPORALCONTROLLERWIDGET_H
20
21#include "ui_qgstemporalcontrollerwidgetbase.h"
22
23#include "qgis_gui.h"
24#include "qgsrange.h"
26
27class QgsMapLayer;
31class QgsInterval;
32
39class GUI_EXPORT QgsTemporalControllerWidget : public QgsPanelWidget, private Ui::QgsTemporalControllerWidgetBase
40{
41 Q_OBJECT
42 public:
43
47 QgsTemporalControllerWidget( QWidget *parent SIP_TRANSFERTHIS = nullptr );
48
54 QgsTemporalNavigationObject *temporalController();
55
56 bool applySizeConstraintsToStack() const override;
57
58#ifndef SIP_RUN
59
60 signals:
61
66
67#endif
68
69 protected:
70
71 void keyPressEvent( QKeyEvent *e ) override;
72
73 private:
74
76 QgsTemporalNavigationObject *mNavigationObject = nullptr;
77
78 int mBlockSettingUpdates = 0;
79 int mBlockFrameDurationUpdates = 0;
80
81 bool mHasTemporalLayersLoaded = false;
82
83 void togglePlayForward();
84 void togglePlayBackward();
85 void togglePause();
86 bool mPlayingForward = true;
87
88 std::unique_ptr< QMenu > mRangeMenu;
89 QAction *mRangeSetToProjectAction = nullptr;
90 QAction *mRangeSetToAllLayersAction = nullptr;
91
92 std::unique_ptr< QMenu > mRangeLayersSubMenu;
93 QgsMapLayerModel *mMapLayerModel = nullptr;
94
95 void firstTemporalLayerLoaded( QgsMapLayer *layer );
96 void setTimeStep( const QgsInterval &timeStep );
97
113 void updateTimeStepInputs( const QgsInterval &timeStep );
114
115 private slots:
116
121 void timeSlider_valueChanged( int value );
122
126 void settings_clicked();
127
131 void setDates( const QgsDateTimeRange &range );
132
136 void setDatesToAllLayers();
137
143 void setDatesToProjectTime();
144
148 void updateSlider( const QgsDateTimeRange &range );
149
153 void updateRangeLabel( const QgsDateTimeRange &range );
154
158 void updateTemporalExtent();
159
163 void updateFrameDuration();
164
165 void setWidgetStateFromProject();
166
167 void mNavigationOff_clicked();
168 void mNavigationFixedRange_clicked();
169 void mNavigationAnimated_clicked();
170 void setWidgetStateFromNavigationMode( const QgsTemporalNavigationObject::NavigationMode mode );
171
172 void onLayersAdded( const QList<QgsMapLayer *> &layers );
173 void onProjectCleared();
174
175 void startEndDateTime_changed();
176 void fixedRangeStartEndDateTime_changed();
177
178 void saveRangeToProject();
179
180 void aboutToShowRangeMenu();
181
182 void mRangeSetToProjectAction_triggered();
183 void mRangeSetToAllLayersAction_triggered();
184};
185
186#endif // QGSTEMPORALCONTROLLERWIDGET_H
A representation of the interval between two datetime values.
Definition qgsinterval.h:42
The QgsMapLayerModel class is a model to display layers in widgets.
Base class for all map layer types.
Definition qgsmaplayer.h:74
Base class for any widget that can be shown as a inline panel.
virtual bool applySizeConstraintsToStack() const
Returns true if the size constraints and hints for the panel widget should be applied to the parent Q...
void keyPressEvent(QKeyEvent *event) override
Overridden key press event to handle the esc event on the widget.
A widget for controlling playback properties of a QgsTemporalController.
void exportAnimation()
Triggered when an animation should be exported.
A controller base class for temporal objects, contains a signal for notifying updates of the objects ...
Implements a temporal controller based on a frame by frame navigation and animation.
NavigationMode
Represents the current temporal navigation mode.
#define SIP_TRANSFERTHIS
Definition qgis_sip.h:53