-
-
Notifications
You must be signed in to change notification settings - Fork 3k
/
qgslayertreemodellegendnode.sip.in
501 lines (344 loc) · 12.6 KB
/
qgslayertreemodellegendnode.sip.in
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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
/************************************************************************
* This file has been generated automatically from *
* *
* src/core/layertree/qgslayertreemodellegendnode.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
************************************************************************/
class QgsLayerTreeModelLegendNode : QObject
{
%Docstring
The QgsLegendRendererItem class is abstract interface for legend items
returned from QgsMapLayerLegend implementation.
The objects are used in QgsLayerTreeModel. Custom implementations may offer additional interactivity
and customized look.
.. versionadded:: 2.6
%End
%TypeHeaderCode
#include "qgslayertreemodellegendnode.h"
%End
public:
enum LegendNodeRoles
{
RuleKeyRole,
ParentRuleKeyRole
};
QgsLayerTreeLayer *layerNode() const;
%Docstring
Returns pointer to the parent layer node
%End
QgsLayerTreeModel *model() const;
%Docstring
Returns pointer to model owning this legend node
%End
virtual Qt::ItemFlags flags() const;
%Docstring
Returns item flags associated with the item. Default implementation returns Qt.ItemIsEnabled.
%End
virtual QVariant data( int role ) const = 0;
%Docstring
Returns data associated with the item. Must be implemented in derived class.
%End
virtual bool setData( const QVariant &value, int role );
%Docstring
Sets some data associated with the item. Default implementation does nothing and returns ``False``.
%End
virtual bool isEmbeddedInParent() const;
virtual void setEmbeddedInParent( bool embedded );
virtual QString userLabel() const;
virtual void setUserLabel( const QString &userLabel );
virtual bool isScaleOK( double scale ) const;
virtual void invalidateMapBasedData();
%Docstring
Notification from model that information from associated map view has changed.
Default implementation does nothing. *
%End
struct ItemContext
{
QgsRenderContext *context;
QPainter *painter;
QPointF point;
double labelXOffset;
};
struct ItemMetrics
{
QSizeF symbolSize;
QSizeF labelSize;
};
virtual ItemMetrics draw( const QgsLegendSettings &settings, ItemContext *ctx );
%Docstring
Entry point called from QgsLegendRenderer to do the rendering.
Default implementation calls drawSymbol() and drawSymbolText() methods.
If ctx is ``None``, this is just first stage when preparing layout - without actual rendering.
%End
void exportToJson( const QgsLegendSettings &settings, QJsonObject &json );
%Docstring
Entry point called from QgsLegendRenderer to do the rendering in a \a
json object.
.. versionadded:: 3.8
%End
virtual QSizeF drawSymbol( const QgsLegendSettings &settings, ItemContext *ctx, double itemHeight ) const;
%Docstring
Draws symbol on the left side of the item
:param settings: Legend layout configuration
:param ctx: Context for rendering - may be ``None`` if only doing layout without actual rendering
:param itemHeight: Minimal height of the legend item - used for correct positioning when rendering
:return: Real size of the symbol (may be bigger than "normal" symbol size from settings)
%End
virtual void exportSymbolToJson( const QgsLegendSettings &settings, QJsonObject &json ) const;
%Docstring
Adds a symbol in base64 string within the ``json`` object with the key
"icon".
:param settings: Legend layout configuration
:param json: The json object to update
.. versionadded:: 3.8
%End
virtual QSizeF drawSymbolText( const QgsLegendSettings &settings, ItemContext *ctx, QSizeF symbolSize ) const;
%Docstring
Draws label on the right side of the item
:param settings: Legend layout configuration
:param ctx: Context for rendering - may be ``None`` if only doing layout without actual rendering
:param symbolSize: Real size of the associated symbol - used for correct positioning when rendering
:return: Size of the label (may span multiple lines)
%End
void exportSymbolTextToJson( const QgsLegendSettings &settings, QJsonObject &json ) const;
%Docstring
Adds a label in the ``json`` object with the key "title".
:param settings: Legend layout configuration
:param json: The json object to update
.. versionadded:: 3.8
%End
signals:
void dataChanged();
%Docstring
Emitted on internal data change so the layer tree model can forward the signal to views
%End
protected:
explicit QgsLayerTreeModelLegendNode( QgsLayerTreeLayer *nodeL, QObject *parent /TransferThis/ = 0 );
%Docstring
Construct the node with pointer to its parent layer node
%End
QgsRenderContext *createTemporaryRenderContext() const /Factory/;
%Docstring
Returns a temporary context or null if legendMapViewData are not valid
%End
protected:
};
class QgsSymbolLegendNode : QgsLayerTreeModelLegendNode
{
%Docstring
Implementation of legend node interface for displaying preview of vector symbols and their labels
and allowing interaction with the symbol / renderer.
.. versionadded:: 2.6
%End
%TypeHeaderCode
#include "qgslayertreemodellegendnode.h"
%End
public:
QgsSymbolLegendNode( QgsLayerTreeLayer *nodeLayer, const QgsLegendSymbolItem &item, QObject *parent /TransferThis/ = 0 );
%Docstring
Constructor for QgsSymbolLegendNode.
:param nodeLayer: layer node
:param item: the legend symbol item
:param parent: attach a parent QObject to the legend node.
%End
virtual Qt::ItemFlags flags() const;
virtual QVariant data( int role ) const;
virtual bool setData( const QVariant &value, int role );
virtual QSizeF drawSymbol( const QgsLegendSettings &settings, ItemContext *ctx, double itemHeight ) const;
virtual void exportSymbolToJson( const QgsLegendSettings &settings, QJsonObject &json ) const;
virtual void setEmbeddedInParent( bool embedded );
virtual void setUserLabel( const QString &userLabel );
virtual bool isScaleOK( double scale ) const;
virtual void invalidateMapBasedData();
void setIconSize( QSize sz );
%Docstring
Set the icon size
.. versionadded:: 2.10
%End
QSize iconSize() const;
%Docstring
.. versionadded:: 2.10
%End
QSize minimumIconSize() const;
%Docstring
Calculates the minimum icon size to prevent cropping. When evaluating
the size for multiple icons it is more efficient to create a single
render context in advance and use the variant which accepts a :py:class:`QgsRenderContext`
argument.
.. versionadded:: 2.10
%End
QSize minimumIconSize( QgsRenderContext *context ) const;
%Docstring
Calculates the minimum icon size to prevent cropping. When evaluating
the size for multiple icons it is more efficient to create a single
render context in advance and call this method instead of minimumIconSize().
.. versionadded:: 2.18
%End
const QgsSymbol *symbol() const;
%Docstring
Returns the symbol used by the legend node.
.. seealso:: :py:func:`setSymbol`
.. versionadded:: 2.14
%End
void setSymbol( QgsSymbol *symbol /Transfer/ );
%Docstring
Sets the ``symbol`` to be used by the legend node. The symbol change is also propagated
to the associated vector layer's renderer.
:param symbol: new symbol for node. Ownership is transferred.
.. seealso:: :py:func:`symbol`
.. versionadded:: 2.14
%End
QString textOnSymbolLabel() const;
%Docstring
Returns label of text to be shown on top of the symbol.
.. versionadded:: 3.2
%End
void setTextOnSymbolLabel( const QString &label );
%Docstring
Sets label of text to be shown on top of the symbol.
.. versionadded:: 3.2
%End
QgsTextFormat textOnSymbolTextFormat() const;
%Docstring
Returns text format of the label to be shown on top of the symbol.
.. versionadded:: 3.2
%End
void setTextOnSymbolTextFormat( const QgsTextFormat &format );
%Docstring
Sets format of text to be shown on top of the symbol.
.. versionadded:: 3.2
%End
public slots:
void checkAllItems();
%Docstring
Checks all items belonging to the same layer as this node.
.. seealso:: :py:func:`uncheckAllItems`
.. seealso:: :py:func:`toggleAllItems`
.. versionadded:: 2.14
%End
void uncheckAllItems();
%Docstring
Unchecks all items belonging to the same layer as this node.
.. seealso:: :py:func:`checkAllItems`
.. seealso:: :py:func:`toggleAllItems`
.. versionadded:: 2.14
%End
void toggleAllItems();
%Docstring
Toggle all items belonging to the same layer as this node.
.. seealso:: :py:func:`checkAllItems`
.. seealso:: :py:func:`uncheckAllItems`
.. versionadded:: 3.6
%End
};
class QgsSimpleLegendNode : QgsLayerTreeModelLegendNode
{
%Docstring
Implementation of legend node interface for displaying arbitrary label with icon.
.. versionadded:: 2.6
%End
%TypeHeaderCode
#include "qgslayertreemodellegendnode.h"
%End
public:
QgsSimpleLegendNode( QgsLayerTreeLayer *nodeLayer, const QString &label, const QIcon &icon = QIcon(), QObject *parent /TransferThis/ = 0, const QString &key = QString() );
%Docstring
Constructor for QgsSimpleLegendNode.
:param nodeLayer: layer node
:param label: label
:param icon: icon
:param parent: attach a parent QObject to the legend node.
:param key: the rule key
%End
virtual QVariant data( int role ) const;
};
class QgsImageLegendNode : QgsLayerTreeModelLegendNode
{
%Docstring
Implementation of legend node interface for displaying arbitrary raster image
.. versionadded:: 2.6
%End
%TypeHeaderCode
#include "qgslayertreemodellegendnode.h"
%End
public:
QgsImageLegendNode( QgsLayerTreeLayer *nodeLayer, const QImage &img, QObject *parent /TransferThis/ = 0 );
%Docstring
Constructor for QgsImageLegendNode.
:param nodeLayer: layer node
:param img: the image
:param parent: attach a parent QObject to the legend node.
%End
virtual QVariant data( int role ) const;
virtual QSizeF drawSymbol( const QgsLegendSettings &settings, ItemContext *ctx, double itemHeight ) const;
virtual void exportSymbolToJson( const QgsLegendSettings &settings, QJsonObject &json ) const;
};
class QgsRasterSymbolLegendNode : QgsLayerTreeModelLegendNode
{
%Docstring
Implementation of legend node interface for displaying raster legend entries
.. versionadded:: 2.6
%End
%TypeHeaderCode
#include "qgslayertreemodellegendnode.h"
%End
public:
QgsRasterSymbolLegendNode( QgsLayerTreeLayer *nodeLayer, const QColor &color, const QString &label, QObject *parent /TransferThis/ = 0 );
%Docstring
Constructor for QgsRasterSymbolLegendNode.
:param nodeLayer: layer node
:param color: color
:param label: label
:param parent: attach a parent QObject to the legend node.
%End
virtual QVariant data( int role ) const;
virtual QSizeF drawSymbol( const QgsLegendSettings &settings, ItemContext *ctx, double itemHeight ) const;
virtual void exportSymbolToJson( const QgsLegendSettings &settings, QJsonObject &json ) const;
};
class QgsWmsLegendNode : QgsLayerTreeModelLegendNode
{
%Docstring
Implementation of legend node interface for displaying WMS legend entries
.. versionadded:: 2.8
%End
%TypeHeaderCode
#include "qgslayertreemodellegendnode.h"
%End
public:
QgsWmsLegendNode( QgsLayerTreeLayer *nodeLayer, QObject *parent /TransferThis/ = 0 );
%Docstring
Constructor for QgsWmsLegendNode.
:param nodeLayer: layer node
:param parent: attach a parent QObject to the legend node.
%End
virtual QVariant data( int role ) const;
virtual QSizeF drawSymbol( const QgsLegendSettings &settings, ItemContext *ctx, double itemHeight ) const;
virtual void exportSymbolToJson( const QgsLegendSettings &settings, QJsonObject &json ) const;
virtual void invalidateMapBasedData();
};
class QgsDataDefinedSizeLegendNode : QgsLayerTreeModelLegendNode
{
%Docstring
Produces legend node with a marker symbol
.. versionadded:: 3.0
%End
%TypeHeaderCode
#include "qgslayertreemodellegendnode.h"
%End
public:
QgsDataDefinedSizeLegendNode( QgsLayerTreeLayer *nodeLayer, const QgsDataDefinedSizeLegend &settings, QObject *parent /TransferThis/ = 0 );
%Docstring
Construct the node using QgsDataDefinedSizeLegend as definition of the node's appearance
%End
~QgsDataDefinedSizeLegendNode();
virtual QVariant data( int role ) const;
virtual ItemMetrics draw( const QgsLegendSettings &settings, ItemContext *ctx );
};
/************************************************************************
* This file has been generated automatically from *
* *
* src/core/layertree/qgslayertreemodellegendnode.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
************************************************************************/