]> git.saurik.com Git - wxWidgets.git/blob - wxPython/src/_gbsizer.i
Corrected a potential NULL pointer dereference in the SWIG runtime
[wxWidgets.git] / wxPython / src / _gbsizer.i
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: _gbsizer.i
3 // Purpose: SWIG interface stuff for wxGBGridBagSizer and etc.
4 //
5 // Author: Robin Dunn
6 //
7 // Created: 05-Nov-2003
8 // RCS-ID: $Id$
9 // Copyright: (c) 2003 by Total Control Software
10 // Licence: wxWindows license
11 /////////////////////////////////////////////////////////////////////////////
12
13 // Not a %module
14
15
16 //---------------------------------------------------------------------------
17
18 %{
19 %}
20
21 //---------------------------------------------------------------------------
22
23 %typemap(in) wxGBPosition& (wxGBPosition temp) {
24 $1 = &temp;
25 if ( ! wxGBPosition_helper($input, &$1)) SWIG_fail;
26 }
27 %typemap(typecheck, precedence=SWIG_TYPECHECK_POINTER) wxGBPosition& {
28 $1 = wxPySimple_typecheck($input, wxT("wxGBPosition"), 2);
29 }
30
31 %typemap(in) wxGBSpan& (wxGBSpan temp) {
32 $1 = &temp;
33 if ( ! wxGBSpan_helper($input, &$1)) SWIG_fail;
34 }
35 %typemap(typecheck, precedence=SWIG_TYPECHECK_POINTER) wxGBSpan& {
36 $1 = wxPySimple_typecheck($input, wxT("wxGBSpan"), 2);
37 }
38
39
40 %{
41 bool wxGBPosition_helper(PyObject* source, wxGBPosition** obj)
42 {
43 if (source == Py_None) {
44 **obj = wxGBPosition(-1,-1);
45 return true;
46 }
47 return wxPyTwoIntItem_helper(source, obj, wxT("wxGBPosition"));
48 }
49
50 bool wxGBSpan_helper(PyObject* source, wxGBSpan** obj)
51 {
52 if (source == Py_None) {
53 **obj = wxGBSpan(-1,-1);
54 return true;
55 }
56 return wxPyTwoIntItem_helper(source, obj, wxT("wxGBSpan"));
57 }
58
59 %}
60
61
62 //---------------------------------------------------------------------------
63 %newgroup;
64
65 DocStr(wxGBPosition,
66 "This class represents the position of an item in a virtual grid of
67 rows and columns managed by a `wx.GridBagSizer`. wxPython has
68 typemaps that will automatically convert from a 2-element sequence of
69 integers to a wx.GBPosition, so you can use the more pythonic
70 representation of the position nearly transparently in Python code.", "");
71
72 class wxGBPosition
73 {
74 public:
75 wxGBPosition(int row=0, int col=0);
76
77 int GetRow() const;
78 int GetCol() const;
79 void SetRow(int row);
80 void SetCol(int col);
81
82 // %extend {
83 // bool __eq__(const wxGBPosition* other) { return other ? (*self == *other) : false; }
84 // bool __ne__(const wxGBPosition* other) { return other ? (*self != *other) : true; }
85 // }
86
87 bool operator==(const wxGBPosition& other);
88 bool operator!=(const wxGBPosition& other);
89
90 %extend {
91 void Set(int row=0, int col=0) {
92 self->SetRow(row);
93 self->SetCol(col);
94 }
95
96 PyObject* Get() {
97 wxPyBlock_t blocked = wxPyBeginBlockThreads();
98 PyObject* tup = PyTuple_New(2);
99 PyTuple_SET_ITEM(tup, 0, PyInt_FromLong(self->GetRow()));
100 PyTuple_SET_ITEM(tup, 1, PyInt_FromLong(self->GetCol()));
101 wxPyEndBlockThreads(blocked);
102 return tup;
103 }
104 }
105 %pythoncode {
106 asTuple = wx._deprecated(Get, "asTuple is deprecated, use `Get` instead")
107 def __str__(self): return str(self.Get())
108 def __repr__(self): return 'wx.GBPosition'+str(self.Get())
109 def __len__(self): return len(self.Get())
110 def __getitem__(self, index): return self.Get()[index]
111 def __setitem__(self, index, val):
112 if index == 0: self.SetRow(val)
113 elif index == 1: self.SetCol(val)
114 else: raise IndexError
115 def __nonzero__(self): return self.Get() != (0,0)
116 __safe_for_unpickling__ = True
117 def __reduce__(self): return (wx.GBPosition, self.Get())
118 }
119
120 %pythoncode {
121 row = property(GetRow, SetRow)
122 col = property(GetCol, SetCol)
123 }
124 };
125
126
127
128
129 DocStr(wxGBSpan,
130 "This class is used to hold the row and column spanning attributes of
131 items in a `wx.GridBagSizer`. wxPython has typemaps that will
132 automatically convert from a 2-element sequence of integers to a
133 wx.GBSpan, so you can use the more pythonic representation of the span
134 nearly transparently in Python code.
135 ", "");
136
137 class wxGBSpan
138 {
139 public:
140 DocCtorStr(
141 wxGBSpan(int rowspan=1, int colspan=1),
142 "Construct a new wxGBSpan, optionally setting the rowspan and
143 colspan. The default is (1,1). (Meaning that the item occupies one
144 cell in each direction.", "");
145
146 int GetRowspan() const;
147 int GetColspan() const;
148 void SetRowspan(int rowspan);
149 void SetColspan(int colspan);
150
151 // %extend {
152 // bool __eq__(const wxGBSpan* other) { return other ? (*self == *other) : false; }
153 // bool __ne__(const wxGBSpan* other) { return other ? (*self != *other) : true; }
154 // }
155 bool operator==(const wxGBSpan& other);
156 bool operator!=(const wxGBSpan& other);
157
158
159 %extend {
160 void Set(int rowspan=1, int colspan=1) {
161 self->SetRowspan(rowspan);
162 self->SetColspan(colspan);
163 }
164
165 PyObject* Get() {
166 wxPyBlock_t blocked = wxPyBeginBlockThreads();
167 PyObject* tup = PyTuple_New(2);
168 PyTuple_SET_ITEM(tup, 0, PyInt_FromLong(self->GetRowspan()));
169 PyTuple_SET_ITEM(tup, 1, PyInt_FromLong(self->GetColspan()));
170 wxPyEndBlockThreads(blocked);
171 return tup;
172 }
173 }
174 %pythoncode {
175 asTuple = wx._deprecated(Get, "asTuple is deprecated, use `Get` instead")
176 def __str__(self): return str(self.Get())
177 def __repr__(self): return 'wx.GBSpan'+str(self.Get())
178 def __len__(self): return len(self.Get())
179 def __getitem__(self, index): return self.Get()[index]
180 def __setitem__(self, index, val):
181 if index == 0: self.SetRowspan(val)
182 elif index == 1: self.SetColspan(val)
183 else: raise IndexError
184 def __nonzero__(self): return self.Get() != (0,0)
185 __safe_for_unpickling__ = True
186 def __reduce__(self): return (wx.GBSpan, self.Get())
187 }
188
189 %pythoncode {
190 rowspan = property(GetRowspan, SetRowspan)
191 colspan = property(GetColspan, SetColspan)
192 }
193 };
194
195
196 %immutable;
197 const wxGBSpan wxDefaultSpan;
198 %mutable;
199
200
201 //---------------------------------------------------------------------------
202
203
204 DocStr(wxGBSizerItem,
205 "The wx.GBSizerItem class is used to track the additional data about
206 items in a `wx.GridBagSizer` such as the item's position in the grid
207 and how many rows or columns it spans.
208 ", "");
209 class wxGBSizerItem : public wxSizerItem
210 {
211 public:
212 DocCtorStr(
213 wxGBSizerItem(),
214 "Constructs an empty wx.GBSizerItem. Either a window, sizer or spacer
215 size will need to be set, as well as a position and span before this
216 item can be used in a Sizer.
217
218 You will probably never need to create a wx.GBSizerItem directly as they
219 are created automatically when the sizer's Add method is called.", "");
220
221 %extend {
222 DocStr(wxGBSizerItem( wxWindow *window, const wxGBPosition& pos,const wxGBSpan& span,int flag,int border,PyObject* userData=NULL ),
223 "Construct a `wx.GBSizerItem` for a window.", "");
224
225 %RenameCtor(GBSizerItemWindow, wxGBSizerItem( wxWindow *window,
226 const wxGBPosition& pos,
227 const wxGBSpan& span,
228 int flag,
229 int border,
230 PyObject* userData=NULL ))
231 {
232 wxPyUserData* data = NULL;
233 if ( userData ) {
234 wxPyBlock_t blocked = wxPyBeginBlockThreads();
235 data = new wxPyUserData(userData);
236 wxPyEndBlockThreads(blocked);
237 }
238 return new wxGBSizerItem(window, pos, span, flag, border, data);
239 }
240
241
242 DocStr(wxGBSizerItem( wxSizer *sizer,const wxGBPosition& pos,const wxGBSpan& span,int flag,int border,PyObject* userData=NULL ),
243 "Construct a `wx.GBSizerItem` for a sizer", "");
244 %RenameCtor(GBSizerItemSizer, wxGBSizerItem( wxSizer *sizer,
245 const wxGBPosition& pos,
246 const wxGBSpan& span,
247 int flag,
248 int border,
249 PyObject* userData=NULL ))
250 {
251 wxPyUserData* data = NULL;
252 if ( userData ) {
253 wxPyBlock_t blocked = wxPyBeginBlockThreads();
254 data = new wxPyUserData(userData);
255 wxPyEndBlockThreads(blocked);
256 }
257 return new wxGBSizerItem(sizer, pos, span, flag, border, data);
258 }
259
260
261 DocStr(wxGBSizerItem( int width,int height,const wxGBPosition& pos,const wxGBSpan& span,int flag,int border,PyObject* userData=NULL),
262 "Construct a `wx.GBSizerItem` for a spacer.", "");
263 %RenameCtor(GBSizerItemSpacer, wxGBSizerItem( int width,
264 int height,
265 const wxGBPosition& pos,
266 const wxGBSpan& span,
267 int flag,
268 int border,
269 PyObject* userData=NULL))
270 {
271 wxPyUserData* data = NULL;
272 if ( userData ) {
273 wxPyBlock_t blocked = wxPyBeginBlockThreads();
274 data = new wxPyUserData(userData);
275 wxPyEndBlockThreads(blocked);
276 }
277 return new wxGBSizerItem(width, height, pos, span, flag, border, data);
278 }
279 }
280
281
282 DocDeclStr(
283 wxGBPosition , GetPos() const,
284 "Get the grid position of the item", "");
285
286 %pythoncode { def GetPosTuple(self): return self.GetPos().Get() }
287
288
289
290 DocDeclStr(
291 wxGBSpan , GetSpan() const,
292 "Get the row and column spanning of the item", "");
293
294 %pythoncode { def GetSpanTuple(self): return self.GetSpan().Get() }
295
296
297
298 DocDeclStr(
299 bool , SetPos( const wxGBPosition& pos ),
300 "If the item is already a member of a sizer then first ensure that
301 there is no other item that would intersect with this one at the new
302 position, then set the new position. Returns True if the change is
303 successful and after the next Layout() the item will be moved.", "");
304
305
306 DocDeclStr(
307 bool , SetSpan( const wxGBSpan& span ),
308 "If the item is already a member of a sizer then first ensure that
309 there is no other item that would intersect with this one with its new
310 spanning size, then set the new spanning. Returns True if the change
311 is successful and after the next Layout() the item will be resized.
312 ", "");
313
314
315
316 DocDeclStr(
317 bool , Intersects(const wxGBSizerItem& other),
318 "Returns True if this item and the other item instersect.", "");
319
320
321 DocDeclStrName(
322 bool , Intersects(const wxGBPosition& pos, const wxGBSpan& span),
323 "Returns True if the given pos/span would intersect with this item.", "",
324 IntersectsPos);
325
326
327 %extend {
328 DocStr(GetEndPos,
329 "Get the row and column of the endpoint of this item.", "");
330 wxGBPosition GetEndPos() {
331 int row, col;
332 self->GetEndPos(row, col);
333 return wxGBPosition(row, col);
334 }
335 }
336
337
338 DocDeclStr(
339 wxGridBagSizer* , GetGBSizer() const,
340 "Get the sizer this item is a member of.", "");
341
342 DocDeclStr(
343 void , SetGBSizer(wxGridBagSizer* sizer),
344 "Set the sizer this item is a member of.", "");
345
346 };
347
348
349 //---------------------------------------------------------------------------
350
351 DocStr(wxGridBagSizer,
352 "A `wx.Sizer` that can lay out items in a virtual grid like a
353 `wx.FlexGridSizer` but in this case explicit positioning of the items
354 is allowed using `wx.GBPosition`, and items can optionally span more
355 than one row and/or column using `wx.GBSpan`. The total size of the
356 virtual grid is determined by the largest row and column that items are
357 positioned at, adjusted for spanning.
358 ", "");
359
360 class wxGridBagSizer : public wxFlexGridSizer
361 {
362 public:
363 %pythonAppend wxGridBagSizer "self._setOORInfo(self)"
364
365 DocCtorStr(
366 wxGridBagSizer(int vgap = 0, int hgap = 0 ),
367 "Constructor, with optional parameters to specify the gap between the
368 rows and columns.", "");
369
370
371 %extend {
372 DocAStr(Add,
373 "Add(self, item, GBPosition pos, GBSpan span=DefaultSpan, int flag=0,
374 int border=0, userData=None) -> wx.GBSizerItem",
375
376 "Adds an item to the sizer at the grid cell *pos*, optionally spanning
377 more than one row or column as specified with *span*. The remaining
378 args behave similarly to `wx.Sizer.Add`.
379
380 Returns True if the item was successfully placed at the given cell
381 position, False if something was already there.
382 ", "");
383 wxGBSizerItem* Add( PyObject* item,
384 const wxGBPosition& pos,
385 const wxGBSpan& span = wxDefaultSpan,
386 int flag = 0,
387 int border = 0,
388 PyObject* userData = NULL ) {
389
390 wxPyUserData* data = NULL;
391 wxPyBlock_t blocked = wxPyBeginBlockThreads();
392 wxPySizerItemInfo info = wxPySizerItemTypeHelper(item, true, false);
393 if ( userData && (info.window || info.sizer || info.gotSize) )
394 data = new wxPyUserData(userData);
395 wxPyEndBlockThreads(blocked);
396
397 // Now call the real Add method if a valid item type was found
398 if ( info.window )
399 return (wxGBSizerItem*)self->Add(info.window, pos, span, flag, border, data);
400 else if ( info.sizer )
401 return (wxGBSizerItem*)self->Add(info.sizer, pos, span, flag, border, data);
402 else if (info.gotSize)
403 return (wxGBSizerItem*)self->Add(info.size.GetWidth(), info.size.GetHeight(),
404 pos, span, flag, border, data);
405 return NULL;
406 }
407 }
408
409 DocDeclAStrName(
410 wxGBSizerItem* , Add( wxGBSizerItem *item ),
411 "Add(self, GBSizerItem item) -> wx.GBSizerItem",
412 "Add an item to the sizer using a `wx.GBSizerItem`. Returns True if
413 the item was successfully placed at its given cell position, False if
414 something was already there.", "",
415 AddItem);
416
417 DocDeclStr(
418 wxSize , GetCellSize(int row, int col) const,
419 "Get the size of the specified cell, including hgap and
420 vgap. Only valid after a Layout.", "");
421
422 DocDeclStr(
423 wxSize , GetEmptyCellSize() const,
424 "Get the size used for cells in the grid with no item.", "");
425
426 DocDeclStr(
427 void , SetEmptyCellSize(const wxSize& sz),
428 "Set the size used for cells in the grid with no item.", "");
429
430
431
432 %nokwargs GetItemPosition;
433 %noautodoc GetItemPosition;
434 DocStr(GetItemPosition,
435 "GetItemPosition(self, item) -> GBPosition
436
437 Get the grid position of the specified *item* where *item* is either a
438 window or subsizer that is a member of this sizer, or a zero-based
439 index of an item.", "");
440 wxGBPosition GetItemPosition(wxWindow *window);
441 wxGBPosition GetItemPosition(wxSizer *sizer);
442 wxGBPosition GetItemPosition(size_t index);
443
444
445 %nokwargs SetItemPosition;
446 %noautodoc SetItemPosition;
447 DocStr(SetItemPosition,
448 "SetItemPosition(self, item, GBPosition pos) -> bool
449
450 Set the grid position of the specified *item* where *item* is either a
451 window or subsizer that is a member of this sizer, or a zero-based
452 index of an item. Returns True on success. If the move is not
453 allowed (because an item is already there) then False is returned.
454 ", "");
455 bool SetItemPosition(wxWindow *window, const wxGBPosition& pos);
456 bool SetItemPosition(wxSizer *sizer, const wxGBPosition& pos);
457 bool SetItemPosition(size_t index, const wxGBPosition& pos);
458
459
460
461 %nokwargs GetItemSpan;
462 %noautodoc GetItemSpan;
463 DocStr(GetItemSpan,
464 "GetItemSpan(self, item) -> GBSpan
465
466 Get the row/col spanning of the specified *item* where *item* is
467 either a window or subsizer that is a member of this sizer, or a
468 zero-based index of an item.", "");
469 wxGBSpan GetItemSpan(wxWindow *window);
470 wxGBSpan GetItemSpan(wxSizer *sizer);
471 wxGBSpan GetItemSpan(size_t index);
472
473
474
475 %nokwargs SetItemSpan;
476 %noautodoc SetItemSpan;
477 DocStr(SetItemSpan,
478 "SetItemSpan(self, item, GBSpan span) -> bool
479
480 Set the row/col spanning of the specified *item* where *item* is
481 either a window or subsizer that is a member of this sizer, or a
482 zero-based index of an item. Returns True on success. If the move is
483 not allowed (because an item is already there) then False is returned.", "");
484 bool SetItemSpan(wxWindow *window, const wxGBSpan& span);
485 bool SetItemSpan(wxSizer *sizer, const wxGBSpan& span);
486 bool SetItemSpan(size_t index, const wxGBSpan& span);
487
488
489
490 %nokwargs FindItem;
491 %noautodoc FindItem;
492 DocStr(FindItem,
493 "FindItem(self, item) -> GBSizerItem
494
495 Find the sizer item for the given window or subsizer, returns None if
496 not found. (non-recursive)", "");
497 wxGBSizerItem* FindItem(wxWindow* window);
498 wxGBSizerItem* FindItem(wxSizer* sizer);
499
500
501 DocDeclStr(
502 wxGBSizerItem* , FindItemAtPosition(const wxGBPosition& pos),
503 "Return the sizer item for the given grid cell, or None if there is no
504 item at that position. (non-recursive)", "");
505
506
507
508 DocDeclStr(
509 wxGBSizerItem* , FindItemAtPoint(const wxPoint& pt),
510 "Return the sizer item located at the point given in *pt*, or None if
511 there is no item at that point. The (x,y) coordinates in pt correspond
512 to the client coordinates of the window using the sizer for
513 layout. (non-recursive)", "");
514
515
516
517 // DocDeclStr(
518 // wxGBSizerItem* , FindItemWithData(const wxObject* userData),
519 // "Return the sizer item that has a matching user data (it only compares
520 // pointer values) or None if not found. (non-recursive)", "");
521
522
523
524 // Look at all items and see if any intersect (or would overlap) the given
525 // item. Returns True if so, False if there would be no overlap. If an
526 // excludeItem is given then it will not be checked for intersection, for
527 // example it may be the item we are checking the position of.
528
529
530 DocDeclStr(
531 bool , CheckForIntersection(wxGBSizerItem* item, wxGBSizerItem* excludeItem = NULL),
532 "Look at all items and see if any intersect (or would overlap) the
533 given *item*. Returns True if so, False if there would be no overlap.
534 If an *excludeItem* is given then it will not be checked for
535 intersection, for example it may be the item we are checking the
536 position of.
537 ", "");
538
539 DocDeclStrName(
540 bool , CheckForIntersection(const wxGBPosition& pos, const wxGBSpan& span, wxGBSizerItem* excludeItem = NULL),
541 "Look at all items and see if any intersect (or would overlap) the
542 given position and span. Returns True if so, False if there would be
543 no overlap. If an *excludeItem* is given then it will not be checked
544 for intersection, for example it may be the item we are checking the
545 position of.", "",
546 CheckForIntersectionPos);
547
548
549 };
550
551
552 //---------------------------------------------------------------------------