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
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.9.1"/>
<title>libsigc++: sigc::slot_base Class Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="doxygen-extra.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">libsigc++
 <span id="projectnumber">2.10.0</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.9.1 -->
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li class="current"><a href="annotated.html"><span>Classes</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="annotated.html"><span>Class List</span></a></li>
<li><a href="classes.html"><span>Class Index</span></a></li>
<li><a href="inherits.html"><span>Class Hierarchy</span></a></li>
<li><a href="functions.html"><span>Class Members</span></a></li>
</ul>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="namespacesigc.html">sigc</a></li><li class="navelem"><a class="el" href="classsigc_1_1slot__base.html">slot_base</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="summary">
<a href="#pub-types">Public Types</a> |
<a href="#pub-methods">Public Member Functions</a> |
<a href="#pub-attribs">Public Attributes</a> |
<a href="classsigc_1_1slot__base-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">sigc::slot_base Class Reference<div class="ingroups"><a class="el" href="group__sigcfunctors.html">Functors</a> » <a class="el" href="group__slot.html">Slots</a></div></div> </div>
</div><!--header-->
<div class="contents">
<p>Base type for slots.
<a href="classsigc_1_1slot__base.html#details">More...</a></p>
<p><code>#include <sigc++/functors/slot_base.h></code></p>
<div class="dynheader">
Inheritance diagram for sigc::slot_base:</div>
<div class="dyncontent">
<div class="center"><img src="classsigc_1_1slot__base__inherit__graph.png" border="0" usemap="#sigc_1_1slot__base_inherit__map" alt="Inheritance graph"/></div>
<map name="sigc_1_1slot__base_inherit__map" id="sigc_1_1slot__base_inherit__map">
<area shape="rect" id="node3" href="classsigc_1_1slot0.html" title="Converts an arbitrary functor to a unified type which is opaque. " alt="" coords="365,36,534,63"/><area shape="rect" id="node5" href="classsigc_1_1slot1.html" title="Converts an arbitrary functor to a unified type which is opaque. " alt="" coords="370,103,529,145"/><area shape="rect" id="node7" href="classsigc_1_1slot2.html" title="Converts an arbitrary functor to a unified type which is opaque. " alt="" coords="370,181,529,222"/><area shape="rect" id="node9" href="classsigc_1_1slot3.html" title="Converts an arbitrary functor to a unified type which is opaque. " alt="" coords="356,255,543,297"/><area shape="rect" id="node11" href="classsigc_1_1slot4.html" title="Converts an arbitrary functor to a unified type which is opaque. " alt="" coords="362,324,537,380"/><area shape="rect" id="node13" href="classsigc_1_1slot5.html" title="Converts an arbitrary functor to a unified type which is opaque. " alt="" coords="362,404,537,460"/><area shape="rect" id="node15" href="classsigc_1_1slot6.html" title="Converts an arbitrary functor to a unified type which is opaque. " alt="" coords="356,484,543,540"/><area shape="rect" id="node17" href="classsigc_1_1slot7.html" title="Converts an arbitrary functor to a unified type which is opaque. " alt="" coords="362,565,537,635"/><area shape="rect" id="node19" href="classsigc_1_1slot_3_01T__return_07T__arg_8_8_8_08_4.html" title="Converts an arbitrary functor to a unified type which is opaque. " alt="" coords="376,659,523,701"/><area shape="rect" id="node2" href="structsigc_1_1functor__base.html" title="A hint to the compiler. " alt="" coords="5,339,144,365"/><area shape="rect" id="node4" href="classsigc_1_1slot_3_01T__return_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::slot0 template. " alt="" coords="619,5,770,61"/><area shape="rect" id="node6" href="classsigc_1_1slot_3_01T__return_00_01T__arg1_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::slot1 template. " alt="" coords="619,85,770,141"/><area shape="rect" id="node8" href="classsigc_1_1slot_3_01T__return_00_01T__arg1_00_01T__arg2_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::slot2 template. " alt="" coords="619,165,770,221"/><area shape="rect" id="node10" href="classsigc_1_1slot_3_01T__return_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01nil_00_01nil_00_01nil_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::slot3 template. " alt="" coords="607,245,782,301"/><area shape="rect" id="node12" href="classsigc_1_1slot_3_01T__return_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01T__arg4_00_01nil_00_01nil_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::slot4 template. " alt="" coords="607,325,782,381"/><area shape="rect" id="node14" href="classsigc_1_1slot_3_01T__return_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01T__arg4_00_01T__arg5_00_01nil_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::slot5 template. " alt="" coords="605,405,784,461"/><area shape="rect" id="node16" href="classsigc_1_1slot_3_01T__return_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01T__arg4_00_01T__arg5_00_01T__arg6_00_01nil_01_4.html" title="Convenience wrapper for the numbered sigc::slot6 template. " alt="" coords="591,485,799,541"/><area shape="rect" id="node18" href="classsigc_1_1slot.html" title="Convenience wrapper for the numbered sigc::slot# templates. " alt="" coords="607,566,782,637"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a7e1a0c2fe43a42187810e8997abeb341"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="structsigc_1_1trackable.html#a3338954d7565534bd945290b798e13ed">trackable::func_destroy_notify</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#a7e1a0c2fe43a42187810e8997abeb341">func_destroy_notify</a></td></tr>
<tr class="separator:a7e1a0c2fe43a42187810e8997abeb341"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a182d5db71ef371838c73bcf1c135cd9a"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#a182d5db71ef371838c73bcf1c135cd9a">slot_base</a> () noexcept</td></tr>
<tr class="memdesc:a182d5db71ef371838c73bcf1c135cd9a"><td class="mdescLeft"> </td><td class="mdescRight">Constructs an empty slot. <a href="#a182d5db71ef371838c73bcf1c135cd9a">More...</a><br /></td></tr>
<tr class="separator:a182d5db71ef371838c73bcf1c135cd9a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5fbc2bf38a0d9ebcbe13d578d2b3d5a1"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#a5fbc2bf38a0d9ebcbe13d578d2b3d5a1">slot_base</a> (rep_type* rep) noexcept</td></tr>
<tr class="memdesc:a5fbc2bf38a0d9ebcbe13d578d2b3d5a1"><td class="mdescLeft"> </td><td class="mdescRight">Constructs a slot from an existing slot_rep object. <a href="#a5fbc2bf38a0d9ebcbe13d578d2b3d5a1">More...</a><br /></td></tr>
<tr class="separator:a5fbc2bf38a0d9ebcbe13d578d2b3d5a1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aadcbb54832b5207bddf89ac5433b531a"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#aadcbb54832b5207bddf89ac5433b531a">slot_base</a> (const <a class="el" href="classsigc_1_1slot__base.html">slot_base</a>& src)</td></tr>
<tr class="memdesc:aadcbb54832b5207bddf89ac5433b531a"><td class="mdescLeft"> </td><td class="mdescRight">Constructs a slot, copying an existing one. <a href="#aadcbb54832b5207bddf89ac5433b531a">More...</a><br /></td></tr>
<tr class="separator:aadcbb54832b5207bddf89ac5433b531a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad1fee67a5885e424c275ad0f48fc81b1"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#ad1fee67a5885e424c275ad0f48fc81b1">slot_base</a> (<a class="el" href="classsigc_1_1slot__base.html">slot_base</a>&& src)</td></tr>
<tr class="memdesc:ad1fee67a5885e424c275ad0f48fc81b1"><td class="mdescLeft"> </td><td class="mdescRight">Constructs a slot, moving an existing one. <a href="#ad1fee67a5885e424c275ad0f48fc81b1">More...</a><br /></td></tr>
<tr class="separator:ad1fee67a5885e424c275ad0f48fc81b1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a75c18c50860f63fb020fc2953576ea57"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#a75c18c50860f63fb020fc2953576ea57">~slot_base</a> ()</td></tr>
<tr class="separator:a75c18c50860f63fb020fc2953576ea57"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afb626f3bce53c7430ee4b5e00449837e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#afb626f3bce53c7430ee4b5e00449837e">add_destroy_notify_callback</a> (void* data, <a class="el" href="classsigc_1_1slot__base.html#a7e1a0c2fe43a42187810e8997abeb341">func_destroy_notify</a> func) const </td></tr>
<tr class="memdesc:afb626f3bce53c7430ee4b5e00449837e"><td class="mdescLeft"> </td><td class="mdescRight">Add a callback that is executed (notified) when the slot is detroyed. <a href="#afb626f3bce53c7430ee4b5e00449837e">More...</a><br /></td></tr>
<tr class="separator:afb626f3bce53c7430ee4b5e00449837e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a657a8473164c963a5ca4828c88121bb9"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#a657a8473164c963a5ca4828c88121bb9">block</a> (bool should_block=true) noexcept</td></tr>
<tr class="memdesc:a657a8473164c963a5ca4828c88121bb9"><td class="mdescLeft"> </td><td class="mdescRight">Sets the blocking state. <a href="#a657a8473164c963a5ca4828c88121bb9">More...</a><br /></td></tr>
<tr class="separator:a657a8473164c963a5ca4828c88121bb9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2f266b6147c4a6bbc5b68994d2dc1517"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#a2f266b6147c4a6bbc5b68994d2dc1517">blocked</a> () const noexcept</td></tr>
<tr class="memdesc:a2f266b6147c4a6bbc5b68994d2dc1517"><td class="mdescLeft"> </td><td class="mdescRight">Returns whether the slot is blocked. <a href="#a2f266b6147c4a6bbc5b68994d2dc1517">More...</a><br /></td></tr>
<tr class="separator:a2f266b6147c4a6bbc5b68994d2dc1517"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4042d221f7f07a7394d2eb0f14db2857"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#a4042d221f7f07a7394d2eb0f14db2857">disconnect</a> ()</td></tr>
<tr class="memdesc:a4042d221f7f07a7394d2eb0f14db2857"><td class="mdescLeft"> </td><td class="mdescRight">Disconnects the slot. <a href="#a4042d221f7f07a7394d2eb0f14db2857">More...</a><br /></td></tr>
<tr class="separator:a4042d221f7f07a7394d2eb0f14db2857"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae6ac6ca962a1f6a7506d0817165b5cef"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#ae6ac6ca962a1f6a7506d0817165b5cef">empty</a> () const noexcept</td></tr>
<tr class="memdesc:ae6ac6ca962a1f6a7506d0817165b5cef"><td class="mdescLeft"> </td><td class="mdescRight">Returns whether the slot is invalid. <a href="#ae6ac6ca962a1f6a7506d0817165b5cef">More...</a><br /></td></tr>
<tr class="separator:ae6ac6ca962a1f6a7506d0817165b5cef"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a90d4d7d6037973a94d7dfd7ba9a5feb9"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#a90d4d7d6037973a94d7dfd7ba9a5feb9">operator bool</a> () const noexcept</td></tr>
<tr class="memdesc:a90d4d7d6037973a94d7dfd7ba9a5feb9"><td class="mdescLeft"> </td><td class="mdescRight">Tests whether a slot is null, because the default constructor was used. <a href="#a90d4d7d6037973a94d7dfd7ba9a5feb9">More...</a><br /></td></tr>
<tr class="separator:a90d4d7d6037973a94d7dfd7ba9a5feb9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a19522528264f1646f8ed982b0042ffad"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classsigc_1_1slot__base.html">slot_base</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#a19522528264f1646f8ed982b0042ffad">operator=</a> (const <a class="el" href="classsigc_1_1slot__base.html">slot_base</a>& src)</td></tr>
<tr class="memdesc:a19522528264f1646f8ed982b0042ffad"><td class="mdescLeft"> </td><td class="mdescRight">Overrides this slot, making a copy from another slot. <a href="#a19522528264f1646f8ed982b0042ffad">More...</a><br /></td></tr>
<tr class="separator:a19522528264f1646f8ed982b0042ffad"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a64e36f28ee61a94c0496fe76f6b3e813"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classsigc_1_1slot__base.html">slot_base</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#a64e36f28ee61a94c0496fe76f6b3e813">operator=</a> (<a class="el" href="classsigc_1_1slot__base.html">slot_base</a>&& src)</td></tr>
<tr class="memdesc:a64e36f28ee61a94c0496fe76f6b3e813"><td class="mdescLeft"> </td><td class="mdescRight">Overrides this slot, making a move from another slot. <a href="#a64e36f28ee61a94c0496fe76f6b3e813">More...</a><br /></td></tr>
<tr class="separator:a64e36f28ee61a94c0496fe76f6b3e813"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6374e1400eef020eab09dfdbdc563912"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#a6374e1400eef020eab09dfdbdc563912">remove_destroy_notify_callback</a> (void* data) const </td></tr>
<tr class="memdesc:a6374e1400eef020eab09dfdbdc563912"><td class="mdescLeft"> </td><td class="mdescRight">Remove a callback previously installed with <a class="el" href="classsigc_1_1slot__base.html#afb626f3bce53c7430ee4b5e00449837e" title="Add a callback that is executed (notified) when the slot is detroyed. ">add_destroy_notify_callback()</a>. <a href="#a6374e1400eef020eab09dfdbdc563912">More...</a><br /></td></tr>
<tr class="separator:a6374e1400eef020eab09dfdbdc563912"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa7d281de451d5f47923f4ff1c5b7f2c9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#aa7d281de451d5f47923f4ff1c5b7f2c9">set_parent</a> (void* parent, void*(* cleanup)(void*)) const noexcept</td></tr>
<tr class="memdesc:aa7d281de451d5f47923f4ff1c5b7f2c9"><td class="mdescLeft"> </td><td class="mdescRight">Sets the parent of this slot. <a href="#aa7d281de451d5f47923f4ff1c5b7f2c9">More...</a><br /></td></tr>
<tr class="separator:aa7d281de451d5f47923f4ff1c5b7f2c9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a25ad0bd4d2cea4dbfcd09f7d393d266d"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#a25ad0bd4d2cea4dbfcd09f7d393d266d">unblock</a> () noexcept</td></tr>
<tr class="memdesc:a25ad0bd4d2cea4dbfcd09f7d393d266d"><td class="mdescLeft"> </td><td class="mdescRight">Unsets the blocking state. <a href="#a25ad0bd4d2cea4dbfcd09f7d393d266d">More...</a><br /></td></tr>
<tr class="separator:a25ad0bd4d2cea4dbfcd09f7d393d266d"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a9dc4958860c0f8300b461a743b7f2a2b"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#a9dc4958860c0f8300b461a743b7f2a2b">blocked_</a></td></tr>
<tr class="memdesc:a9dc4958860c0f8300b461a743b7f2a2b"><td class="mdescLeft"> </td><td class="mdescRight">Indicates whether the slot is blocked. <a href="#a9dc4958860c0f8300b461a743b7f2a2b">More...</a><br /></td></tr>
<tr class="separator:a9dc4958860c0f8300b461a743b7f2a2b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa482f7dfc73c6950abde0fd51b3125b5"><td class="memItemLeft" align="right" valign="top">rep_type* </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1slot__base.html#aa482f7dfc73c6950abde0fd51b3125b5">rep_</a></td></tr>
<tr class="memdesc:aa482f7dfc73c6950abde0fd51b3125b5"><td class="mdescLeft"> </td><td class="mdescRight">Typed slot_rep object that contains a functor. <a href="#aa482f7dfc73c6950abde0fd51b3125b5">More...</a><br /></td></tr>
<tr class="separator:aa482f7dfc73c6950abde0fd51b3125b5"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Base type for slots. </p>
<p><a class="el" href="classsigc_1_1slot__base.html" title="Base type for slots. ">slot_base</a> integrates most of the interface of the derived <a class="el" href="classsigc_1_1slot.html" title="Convenience wrapper for the numbered sigc::slot# templates. ">sigc::slot</a> templates. slots can be connected to signals, be disconnected at some later point (<a class="el" href="classsigc_1_1slot__base.html#a4042d221f7f07a7394d2eb0f14db2857" title="Disconnects the slot. ">disconnect()</a>) and temporarily be blocked (<a class="el" href="classsigc_1_1slot__base.html#a657a8473164c963a5ca4828c88121bb9" title="Sets the blocking state. ">block()</a>, <a class="el" href="classsigc_1_1slot__base.html#a25ad0bd4d2cea4dbfcd09f7d393d266d" title="Unsets the blocking state. ">unblock()</a>). The validity of a slot can be tested with <a class="el" href="classsigc_1_1slot__base.html#ae6ac6ca962a1f6a7506d0817165b5cef" title="Returns whether the slot is invalid. ">empty()</a>.</p>
<p>The internal representation of a sigc::internal::slot_rep derived type is built from <a class="el" href="classsigc_1_1slot__base.html" title="Base type for slots. ">slot_base</a>'s derivations. <a class="el" href="classsigc_1_1slot__base.html#aa7d281de451d5f47923f4ff1c5b7f2c9" title="Sets the parent of this slot. ">set_parent()</a> is used to register a notification callback that is executed when the slot gets invalid. <a class="el" href="classsigc_1_1slot__base.html#afb626f3bce53c7430ee4b5e00449837e" title="Add a callback that is executed (notified) when the slot is detroyed. ">add_destroy_notify_callback()</a> is used by connection objects to add a notification callback that is executed on destruction. </p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a class="anchor" id="a7e1a0c2fe43a42187810e8997abeb341"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">typedef <a class="el" href="structsigc_1_1trackable.html#a3338954d7565534bd945290b798e13ed">trackable::func_destroy_notify</a> <a class="el" href="classsigc_1_1slot__base.html#a7e1a0c2fe43a42187810e8997abeb341">sigc::slot_base::func_destroy_notify</a></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a class="anchor" id="a182d5db71ef371838c73bcf1c135cd9a"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">sigc::slot_base::slot_base </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">noexcept</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Constructs an empty slot. </p>
</div>
</div>
<a class="anchor" id="a5fbc2bf38a0d9ebcbe13d578d2b3d5a1"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">sigc::slot_base::slot_base </td>
<td>(</td>
<td class="paramtype">rep_type * </td>
<td class="paramname"><em>rep</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">explicit</span><span class="mlabel">noexcept</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Constructs a slot from an existing slot_rep object. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">rep</td><td>The slot_rep object this slot should contain. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="aadcbb54832b5207bddf89ac5433b531a"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">sigc::slot_base::slot_base </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classsigc_1_1slot__base.html">slot_base</a>& </td>
<td class="paramname"><em>src</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Constructs a slot, copying an existing one. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">src</td><td>The existing slot to copy. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ad1fee67a5885e424c275ad0f48fc81b1"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">sigc::slot_base::slot_base </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classsigc_1_1slot__base.html">slot_base</a>&& </td>
<td class="paramname"><em>src</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Constructs a slot, moving an existing one. </p>
<p>If <code>src</code> is connected to a parent (e.g. a signal), it is copied, not moved. </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">src</td><td>The existing slot to move or copy. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a75c18c50860f63fb020fc2953576ea57"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">sigc::slot_base::~slot_base </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="afb626f3bce53c7430ee4b5e00449837e"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void sigc::slot_base::add_destroy_notify_callback </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>data</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classsigc_1_1slot__base.html#a7e1a0c2fe43a42187810e8997abeb341">func_destroy_notify</a> </td>
<td class="paramname"><em>func</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Add a callback that is executed (notified) when the slot is detroyed. </p>
<p>This function is used internally by connection objects. </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">data</td><td>Passed into func upon notification. </td></tr>
<tr><td class="paramname">func</td><td>Callback executed upon destruction of the object. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a657a8473164c963a5ca4828c88121bb9"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">bool sigc::slot_base::block </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"><em>should_block</em> = <code>true</code></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">noexcept</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Sets the blocking state. </p>
<p>If <em>should_block</em> is <code>true</code> then the blocking state is set. Subsequent calls to <a class="el" href="classsigc_1_1slot7.html#a115f4dc171664e693a6bb7afc41778d4" title="Invoke the contained functor unless slot is in blocking state. ">slot::operator()()</a> don't invoke the functor contained by this slot until <a class="el" href="classsigc_1_1slot__base.html#a25ad0bd4d2cea4dbfcd09f7d393d266d" title="Unsets the blocking state. ">unblock()</a> or <a class="el" href="classsigc_1_1slot__base.html#a657a8473164c963a5ca4828c88121bb9" title="Sets the blocking state. ">block()</a> with <em>should_block</em> = <code>false</code> is called. </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">should_block</td><td>Indicates whether the blocking state should be set or unset. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if the slot was in blocking state before. </dd></dl>
</div>
</div>
<a class="anchor" id="a2f266b6147c4a6bbc5b68994d2dc1517"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">bool sigc::slot_base::blocked </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Returns whether the slot is blocked. </p>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if the slot is blocked. </dd></dl>
</div>
</div>
<a class="anchor" id="a4042d221f7f07a7394d2eb0f14db2857"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void sigc::slot_base::disconnect </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Disconnects the slot. </p>
<p>Invalidates the slot and notifies the parent. </p>
</div>
</div>
<a class="anchor" id="ae6ac6ca962a1f6a7506d0817165b5cef"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">bool sigc::slot_base::empty </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Returns whether the slot is invalid. </p>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if the slot is invalid (empty). </dd></dl>
</div>
</div>
<a class="anchor" id="a90d4d7d6037973a94d7dfd7ba9a5feb9"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">sigc::slot_base::operator bool </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">explicit</span><span class="mlabel">noexcept</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Tests whether a slot is null, because the default constructor was used. </p>
<p>Test a slot for null like so: </p><div class="fragment"><div class="line"><span class="keywordflow">if</span>(slot)</div>
<div class="line"> do_something()</div>
</div><!-- fragment -->
</div>
</div>
<a class="anchor" id="a19522528264f1646f8ed982b0042ffad"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="classsigc_1_1slot__base.html">slot_base</a>& sigc::slot_base::operator= </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classsigc_1_1slot__base.html">slot_base</a>& </td>
<td class="paramname"><em>src</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Overrides this slot, making a copy from another slot. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">src</td><td>The slot from which to make a copy. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><code>this</code>. </dd></dl>
</div>
</div>
<a class="anchor" id="a64e36f28ee61a94c0496fe76f6b3e813"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="classsigc_1_1slot__base.html">slot_base</a>& sigc::slot_base::operator= </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classsigc_1_1slot__base.html">slot_base</a>&& </td>
<td class="paramname"><em>src</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Overrides this slot, making a move from another slot. </p>
<p>If <code>src</code> is connected to a parent (e.g. a signal), it is copied, not moved. </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">src</td><td>The slot from which to move or copy. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><code>this</code>. </dd></dl>
</div>
</div>
<a class="anchor" id="a6374e1400eef020eab09dfdbdc563912"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void sigc::slot_base::remove_destroy_notify_callback </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>data</em></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Remove a callback previously installed with <a class="el" href="classsigc_1_1slot__base.html#afb626f3bce53c7430ee4b5e00449837e" title="Add a callback that is executed (notified) when the slot is detroyed. ">add_destroy_notify_callback()</a>. </p>
<p>The callback is not executed. </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">data</td><td>Parameter passed into previous call to <a class="el" href="classsigc_1_1slot__base.html#afb626f3bce53c7430ee4b5e00449837e" title="Add a callback that is executed (notified) when the slot is detroyed. ">add_destroy_notify_callback()</a>. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="aa7d281de451d5f47923f4ff1c5b7f2c9"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">void sigc::slot_base::set_parent </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>parent</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *(*)(void *) </td>
<td class="paramname"><em>cleanup</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">noexcept</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Sets the parent of this slot. </p>
<p>This function is used by signals to register a notification callback. This notification callback is executed when the slot becomes invalid because of some referred object dying. </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">parent</td><td>The new parent. </td></tr>
<tr><td class="paramname">cleanup</td><td>The notification callback. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a25ad0bd4d2cea4dbfcd09f7d393d266d"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">bool sigc::slot_base::unblock </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">noexcept</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Unsets the blocking state. </p>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if the slot was in blocking state before. </dd></dl>
</div>
</div>
<h2 class="groupheader">Member Data Documentation</h2>
<a class="anchor" id="a9dc4958860c0f8300b461a743b7f2a2b"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">bool sigc::slot_base::blocked_</td>
</tr>
</table>
</div><div class="memdoc">
<p>Indicates whether the slot is blocked. </p>
</div>
</div>
<a class="anchor" id="aa482f7dfc73c6950abde0fd51b3125b5"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">rep_type* sigc::slot_base::rep_</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">mutable</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Typed slot_rep object that contains a functor. </p>
</div>
</div>
</div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Tue Sep 20 2016 12:13:58 for libsigc++ by  <a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.9.1
</small></address>
</body>
</html>
|
