-
-
Notifications
You must be signed in to change notification settings - Fork 3k
/
qgsrendererv2widget.sip
189 lines (149 loc) · 5.43 KB
/
qgsrendererv2widget.sip
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
class QgsRendererV2Widget : QWidget
{
%TypeHeaderCode
#include <qgsrendererv2widget.h>
%End
public:
QgsRendererV2Widget( QgsVectorLayer* layer, QgsStyleV2* style );
virtual ~QgsRendererV2Widget();
//! return pointer to the renderer (no transfer of ownership)
virtual QgsFeatureRendererV2* renderer() = 0;
//! show a dialog with renderer's symbol level settings
void showSymbolLevelsDialog( QgsFeatureRendererV2* r );
/** Sets the map canvas associated with the widget. This allows the widget to retrieve the current
* map scale and other properties from the canvas.
* @param canvas map canvas
* @see mapCanvas()
* @note added in QGIS 2.12
*/
virtual void setMapCanvas( QgsMapCanvas* canvas );
/** Returns the map canvas associated with the widget.
* @see setMapCanvas
* @note added in QGIS 2.12
*/
const QgsMapCanvas* mapCanvas() const;
/** Returns the vector layer associated with the widget.
* @note added in QGIS 2.12
*/
const QgsVectorLayer* vectorLayer() const;
/**
* This method should be called whenever the renderer is actually set on the layer.
*/
void applyChanges();
signals:
/**
* Emitted when expression context variables on the associated
* vector layers have been changed. Will request the parent dialog
* to re-synchronize with the variables.
*/
void layerVariablesChanged();
/**
* Emitted when something on the widget has changed.
* All widgets will fire this event to notify of an internal change.
*/
void widgetChanged();
protected:
/** Subclasses may provide the capability of changing multiple symbols at once by implementing the following two methods
and by connecting the slot contextMenuViewCategories(const QPoint&)*/
virtual QList<QgsSymbolV2*> selectedSymbols();
virtual void refreshSymbolView();
protected slots:
void contextMenuViewCategories( QPoint p );
/** Change color of selected symbols*/
void changeSymbolColor();
/** Change opacity of selected symbols*/
void changeSymbolTransparency();
/** Change units mm/map units of selected symbols*/
void changeSymbolUnit();
/** Change line widths of selected symbols*/
void changeSymbolWidth();
/** Change marker sizes of selected symbols*/
void changeSymbolSize();
/** Change marker angles of selected symbols*/
void changeSymbolAngle();
virtual void copy();
virtual void paste();
private:
/**
* This will be called whenever the renderer is set on a layer.
* This can be overwritten in subclasses.
*/
virtual void apply();
};
/**
Utility classes for "en masse" size definition
*/
class QgsDataDefinedValueDialog : QDialog
{
%TypeHeaderCode
#include <qgsrendererv2widget.h>
%End
public:
/** Constructor
* @param symbolList must not be empty
* @param layer must not be null
* @param label value label
*/
QgsDataDefinedValueDialog( const QList<QgsSymbolV2*>& symbolList, QgsVectorLayer * layer, const QString & label );
virtual ~QgsDataDefinedValueDialog();
/** Sets the map canvas associated with the dialog. This allows the dialog to retrieve the current
* map scale and other properties from the canvas.
* @param canvas map canvas
* @see mapCanvas()
* @note added in QGIS 2.12
*/
virtual void setMapCanvas( QgsMapCanvas* canvas );
/** Returns the map canvas associated with the widget.
* @see setMapCanvas
* @note added in QGIS 2.12
*/
const QgsMapCanvas* mapCanvas() const;
/** Returns the vector layer associated with the widget.
* @note added in QGIS 2.12
*/
const QgsVectorLayer* vectorLayer() const;
public slots:
void dataDefinedChanged();
protected:
QgsDataDefined symbolDataDefined() const;
void init( const QString & description ); // needed in children ctor to call virtual
virtual QgsDataDefined symbolDataDefined( const QgsSymbolV2 * ) const = 0;
virtual double value( const QgsSymbolV2 * ) const = 0;
virtual void setDataDefined( QgsSymbolV2* symbol, const QgsDataDefined& dd ) = 0;
};
class QgsDataDefinedSizeDialog : QgsDataDefinedValueDialog
{
%TypeHeaderCode
#include <qgsrendererv2widget.h>
%End
public:
QgsDataDefinedSizeDialog( const QList<QgsSymbolV2*>& symbolList, QgsVectorLayer * layer );
protected:
QgsDataDefined symbolDataDefined( const QgsSymbolV2 * symbol ) const;
double value( const QgsSymbolV2 * symbol ) const;
void setDataDefined( QgsSymbolV2* symbol, const QgsDataDefined& dd );
};
class QgsDataDefinedRotationDialog : QgsDataDefinedValueDialog
{
%TypeHeaderCode
#include <qgsrendererv2widget.h>
%End
public:
QgsDataDefinedRotationDialog( const QList<QgsSymbolV2*>& symbolList, QgsVectorLayer * layer );
protected:
QgsDataDefined symbolDataDefined( const QgsSymbolV2 * symbol ) const;
double value( const QgsSymbolV2 * symbol ) const;
void setDataDefined( QgsSymbolV2* symbol, const QgsDataDefined& dd );
};
class QgsDataDefinedWidthDialog : QgsDataDefinedValueDialog
{
%TypeHeaderCode
#include <qgsrendererv2widget.h>
%End
public:
QgsDataDefinedWidthDialog( const QList<QgsSymbolV2*>& symbolList, QgsVectorLayer * layer );
protected:
QgsDataDefined symbolDataDefined( const QgsSymbolV2 * symbol ) const;
double value( const QgsSymbolV2 * symbol ) const;
void setDataDefined( QgsSymbolV2* symbol, const QgsDataDefined& dd );
};