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1 \section{\class{wxWindow}}\label{wxwindow}
2
3 wxWindow is the base class for all windows. Any children of the window will be deleted
4 automatically by the destructor before the window itself is deleted.
5
6 %Please note that we documented a number of handler functions (OnChar(), OnMouse() etc.) in this
7 %help text. These must not be called by a user program and are documented only for illustration.
8 %On several platforms, only a few of these handlers are actually written (they are not always
9 %needed) and if you are uncertain on how to add a certain behaviour to a window class, intercept
10 %the respective event as usual and call \helpref{wxEvent::Skip}{wxeventskip} so that the native
11 %platform can implement its native behaviour or just ignore the event if nothing needs to be
12 %done.
13
14 \wxheading{Derived from}
15
16 \helpref{wxEvtHandler}{wxevthandler}\\
17 \helpref{wxObject}{wxobject}
18
19 \wxheading{Include files}
20
21 <wx/window.h>
22
23 \wxheading{Window styles}
24
25 The following styles can apply to all windows, although they will not always make sense for a particular
26 window class or on all platforms.
27
28 \twocolwidtha{5cm}%
29 \begin{twocollist}\itemsep=0pt
30 \twocolitem{\windowstyle{wxSIMPLE\_BORDER}}{Displays a thin border around the window. wxBORDER is the old name
31 for this style. }
32 \twocolitem{\windowstyle{wxDOUBLE\_BORDER}}{Displays a double border. Windows only.}
33 \twocolitem{\windowstyle{wxSUNKEN\_BORDER}}{Displays a sunken border.}
34 \twocolitem{\windowstyle{wxRAISED\_BORDER}}{Displays a raised border. GTK only. }
35 \twocolitem{\windowstyle{wxSTATIC\_BORDER}}{Displays a border suitable for a static control. Windows only. }
36 \twocolitem{\windowstyle{wxTRANSPARENT\_WINDOW}}{The window is transparent, that is, it will not receive paint
37 events. Windows only.}
38 \twocolitem{\windowstyle{wxTAB\_TRAVERSAL}}{Use this to enable tab traversal for non-dialog windows.}
39 \twocolitem{\windowstyle{wxWANTS\_CHARS}}{Use this to indicate that the window
40 wants to get all char events - even for keys like TAB or ENTER which are
41 usually used for dialog navigation and which wouldn't be generated without
42 this style}
43 \twocolitem{\windowstyle{wxNO\_FULL\_REPAINT\_ON\_RESIZE}}{Disables repainting
44 the window completely when its size is changed - you will have to repaint the
45 new window area manually if you use this style. Currently only has an effect for
46 Windows.}
47 \twocolitem{\windowstyle{wxVSCROLL}}{Use this style to enable a vertical scrollbar.}
48 \twocolitem{\windowstyle{wxHSCROLL}}{Use this style to enable a horizontal scrollbar.}
49 \twocolitem{\windowstyle{wxALWAYS\_SHOW\_SB}{If a window has scrollbars,
50 disable them instead of hiding them when they are not needed (i.e. when the
51 size of the window is big enough to not require the scrollbars to navigate it).
52 This style is currently only implemented for wxMSW and wxUniversal and does
53 nothing on the other platforms.}
54 \twocolitem{\windowstyle{wxCLIP\_CHILDREN}}{Use this style to eliminate flicker caused by the background being
55 repainted, then children being painted over them. Windows only.}
56 \end{twocollist}
57
58 See also \helpref{window styles overview}{windowstyles}.
59
60 \wxheading{See also}
61
62 \helpref{Event handling overview}{eventhandlingoverview}
63
64 \latexignore{\rtfignore{\wxheading{Members}}}
65
66 \membersection{wxWindow::wxWindow}\label{wxwindowctor}
67
68 \func{}{wxWindow}{\void}
69
70 Default constructor.
71
72 \func{}{wxWindow}{\param{wxWindow*}{ parent}, \param{wxWindowID }{id},
73 \param{const wxPoint\& }{pos = wxDefaultPosition},
74 \param{const wxSize\& }{size = wxDefaultSize},
75 \param{long }{style = 0},
76 \param{const wxString\& }{name = wxPanelNameStr}}
77
78 Constructs a window, which can be a child of a frame, dialog or any other non-control window.
79
80 \wxheading{Parameters}
81
82 \docparam{parent}{Pointer to a parent window.}
83
84 \docparam{id}{Window identifier. If -1, will automatically create an identifier.}
85
86 \docparam{pos}{Window position. wxDefaultPosition is (-1, -1) which indicates that wxWindows
87 should generate a default position for the window. If using the wxWindow class directly, supply
88 an actual position.}
89
90 \docparam{size}{Window size. wxDefaultSize is (-1, -1) which indicates that wxWindows
91 should generate a default size for the window. If no suitable size can be found, the
92 window will be sized to 20x20 pixels so that the window is visible but obviously not
93 correctly sized. }
94
95 \docparam{style}{Window style. For generic window styles, please see \helpref{wxWindow}{wxwindow}.}
96
97 \docparam{name}{Window name.}
98
99 \membersection{wxWindow::\destruct{wxWindow}}
100
101 \func{}{\destruct{wxWindow}}{\void}
102
103 Destructor. Deletes all subwindows, then deletes itself. Instead of using
104 the {\bf delete} operator explicitly, you should normally
105 use \helpref{wxWindow::Destroy}{wxwindowdestroy} so that wxWindows
106 can delete a window only when it is safe to do so, in idle time.
107
108 \wxheading{See also}
109
110 \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
111 \helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp
112 \helpref{wxCloseEvent}{wxcloseevent}
113
114 \membersection{wxWindow::AddChild}
115
116 \func{virtual void}{AddChild}{\param{wxWindow* }{child}}
117
118 Adds a child window. This is called automatically by window creation
119 functions so should not be required by the application programmer.
120
121 \wxheading{Parameters}
122
123 \docparam{child}{Child window to add.}
124
125 \membersection{wxWindow::CaptureMouse}\label{wxwindowcapturemouse}
126
127 \func{virtual void}{CaptureMouse}{\void}
128
129 Directs all mouse input to this window. Call \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse} to
130 release the capture.
131
132 Note that wxWindows maintains the stack of windows having captured the mouse
133 and when the mouse is released the capture returns to the window which had had
134 captured it previously and it is only really released if there were no previous
135 window. In particular, this means that you must release the mouse as many times
136 as you capture it.
137
138 \wxheading{See also}
139
140 \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse}
141
142 \membersection{wxWindow::Center}\label{wxwindowcenter}
143
144 \func{void}{Center}{\param{int}{ direction}}
145
146 A synonym for \helpref{Centre}{wxwindowcentre}.
147
148 \membersection{wxWindow::CenterOnParent}\label{wxwindowcenteronparent}
149
150 \func{void}{CenterOnParent}{\param{int}{ direction}}
151
152 A synonym for \helpref{CentreOnParent}{wxwindowcentreonparent}.
153
154 \membersection{wxWindow::CenterOnScreen}\label{wxwindowcenteronscreen}
155
156 \func{void}{CenterOnScreen}{\param{int}{ direction}}
157
158 A synonym for \helpref{CentreOnScreen}{wxwindowcentreonscreen}.
159
160 \membersection{wxWindow::Centre}\label{wxwindowcentre}
161
162 \func{void}{Centre}{\param{int}{ direction = wxBOTH}}
163
164 Centres the window.
165
166 \wxheading{Parameters}
167
168 \docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
169 or {\tt wxBOTH}. It may also include {\tt wxCENTRE\_ON\_SCREEN} flag
170 if you want to center the window on the entire screen and not on its
171 parent window.}
172
173 The flag {\tt wxCENTRE\_FRAME} is obsolete and should not be used any longer
174 (it has no effect).
175
176 \wxheading{Remarks}
177
178 If the window is a top level one (i.e. doesn't have a parent), it will be
179 centered relative to the screen anyhow.
180
181 \wxheading{See also}
182
183 \helpref{wxWindow::Center}{wxwindowcenter}
184
185 \membersection{wxWindow::CentreOnParent}\label{wxwindowcentreonparent}
186
187 \func{void}{CentreOnParent}{\param{int}{ direction = wxBOTH}}
188
189 Centres the window on its parent. This is a more readable synonym for
190 \helpref{Centre}{wxwindowcentre}.
191
192 \wxheading{Parameters}
193
194 \docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
195 or {\tt wxBOTH}.}
196
197 \wxheading{Remarks}
198
199 This methods provides for a way to center top level windows over their
200 parents instead of the entire screen. If there is no parent or if the
201 window is not a top level window, then behaviour is the same as
202 \helpref{wxWindow::Centre}{wxwindowcentre}.
203
204 \wxheading{See also}
205
206 \helpref{wxWindow::CentreOnScreen}{wxwindowcenteronscreen}
207
208 \membersection{wxWindow::CentreOnScreen}\label{wxwindowcentreonscreen}
209
210 \func{void}{CentreOnScreen}{\param{int}{ direction = wxBOTH}}
211
212 Centres the window on screen. This only works for top level windows -
213 otherwise, the window will still be centered on its parent.
214
215 \wxheading{Parameters}
216
217 \docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
218 or {\tt wxBOTH}.}
219
220 \wxheading{See also}
221
222 \helpref{wxWindow::CentreOnParent}{wxwindowcenteronparent}
223
224 \membersection{wxWindow::Clear}\label{wxwindowclear}
225
226 \func{void}{Clear}{\void}
227
228 Clears the window by filling it with the current background colour. Does not
229 cause an erase background event to be generated.
230
231 \membersection{wxWindow::ClientToScreen}
232
233 \constfunc{virtual void}{ClientToScreen}{\param{int* }{x}, \param{int* }{y}}
234
235 \perlnote{In wxPerl this method returns a 2-element list instead of
236 modifying its parameters.}
237
238 \constfunc{virtual wxPoint}{ClientToScreen}{\param{const wxPoint\&}{ pt}}
239
240 Converts to screen coordinates from coordinates relative to this window.
241
242 \docparam{x}{A pointer to a integer value for the x coordinate. Pass the client coordinate in, and
243 a screen coordinate will be passed out.}
244
245 \docparam{y}{A pointer to a integer value for the y coordinate. Pass the client coordinate in, and
246 a screen coordinate will be passed out.}
247
248 \docparam{pt}{The client position for the second form of the function.}
249
250 \pythonnote{In place of a single overloaded method name, wxPython
251 implements the following methods:\par
252 \indented{2cm}{\begin{twocollist}
253 \twocolitem{{\bf ClientToScreen(point)}}{Accepts and returns a wxPoint}
254 \twocolitem{{\bf ClientToScreenXY(x, y)}}{Returns a 2-tuple, (x, y)}
255 \end{twocollist}}
256 }
257
258 \membersection{wxWindow::Close}\label{wxwindowclose}
259
260 \func{bool}{Close}{\param{bool}{ force = {\tt false}}}
261
262 This function simply generates a \helpref{wxCloseEvent}{wxcloseevent} whose
263 handler usually tries to close the window. It doesn't close the window itself,
264 however.
265
266 \wxheading{Parameters}
267
268 \docparam{force}{{\tt false} if the window's close handler should be able to veto the destruction
269 of this window, {\tt true} if it cannot.}
270
271 \wxheading{Remarks}
272
273 Close calls the \helpref{close handler}{wxcloseevent} for the window, providing
274 an opportunity for the window to choose whether to destroy the window.
275 Usually it is only used with the top level windows (wxFrame and wxDialog
276 classes) as the others are not supposed to have any special OnClose() logic.
277
278 The close handler should check whether the window is being deleted forcibly,
279 using \helpref{wxCloseEvent::GetForce}{wxcloseeventgetforce}, in which case it
280 should destroy the window using \helpref{wxWindow::Destroy}{wxwindowdestroy}.
281
282 {\it Note} that calling Close does not guarantee that the window will be
283 destroyed; but it provides a way to simulate a manual close of a window, which
284 may or may not be implemented by destroying the window. The default
285 implementation of wxDialog::OnCloseWindow does not necessarily delete the
286 dialog, since it will simply simulate an wxID\_CANCEL event which is handled by
287 the appropriate button event handler and may do anything at all.
288
289 To guarantee that the window will be destroyed, call
290 \helpref{wxWindow::Destroy}{wxwindowdestroy} instead
291
292 \wxheading{See also}
293
294 \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
295 \helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp
296 \helpref{wxCloseEvent}{wxcloseevent}
297
298 \membersection{wxWindow::ConvertDialogToPixels}\label{wxwindowconvertdialogtopixels}
299
300 \func{wxPoint}{ConvertDialogToPixels}{\param{const wxPoint\&}{ pt}}
301
302 \func{wxSize}{ConvertDialogToPixels}{\param{const wxSize\&}{ sz}}
303
304 Converts a point or size from dialog units to pixels.
305
306 For the x dimension, the dialog units are multiplied by the average character width
307 and then divided by 4.
308
309 For the y dimension, the dialog units are multiplied by the average character height
310 and then divided by 8.
311
312 \wxheading{Remarks}
313
314 Dialog units are used for maintaining a dialog's proportions even if the font changes.
315 Dialogs created using Dialog Editor optionally use dialog units.
316
317 You can also use these functions programmatically. A convenience macro is defined:
318
319 {\small
320 \begin{verbatim}
321 #define wxDLG_UNIT(parent, pt) parent->ConvertDialogToPixels(pt)
322 \end{verbatim}
323 }
324
325 \wxheading{See also}
326
327 \helpref{wxWindow::ConvertPixelsToDialog}{wxwindowconvertpixelstodialog}
328
329 \pythonnote{In place of a single overloaded method name, wxPython
330 implements the following methods:\par
331 \indented{2cm}{\begin{twocollist}
332 \twocolitem{{\bf ConvertDialogPointToPixels(point)}}{Accepts and returns a wxPoint}
333 \twocolitem{{\bf ConvertDialogSizeToPixels(size)}}{Accepts and returns a wxSize}
334 \end{twocollist}}
335
336 Additionally, the following helper functions are defined:\par
337 \indented{2cm}{\begin{twocollist}
338 \twocolitem{{\bf wxDLG\_PNT(win, point)}}{Converts a wxPoint from dialog
339 units to pixels}
340 \twocolitem{{\bf wxDLG\_SZE(win, size)}}{Converts a wxSize from dialog
341 units to pixels}
342 \end{twocollist}}
343 }
344
345
346 \membersection{wxWindow::ConvertPixelsToDialog}\label{wxwindowconvertpixelstodialog}
347
348 \func{wxPoint}{ConvertPixelsToDialog}{\param{const wxPoint\&}{ pt}}
349
350 \func{wxSize}{ConvertPixelsToDialog}{\param{const wxSize\&}{ sz}}
351
352 Converts a point or size from pixels to dialog units.
353
354 For the x dimension, the pixels are multiplied by 4 and then divided by the average
355 character width.
356
357 For the y dimension, the pixels are multiplied by 8 and then divided by the average
358 character height.
359
360 \wxheading{Remarks}
361
362 Dialog units are used for maintaining a dialog's proportions even if the font changes.
363 Dialogs created using Dialog Editor optionally use dialog units.
364
365 \wxheading{See also}
366
367 \helpref{wxWindow::ConvertDialogToPixels}{wxwindowconvertdialogtopixels}
368
369
370 \pythonnote{In place of a single overloaded method name, wxPython
371 implements the following methods:\par
372 \indented{2cm}{\begin{twocollist}
373 \twocolitem{{\bf ConvertDialogPointToPixels(point)}}{Accepts and returns a wxPoint}
374 \twocolitem{{\bf ConvertDialogSizeToPixels(size)}}{Accepts and returns a wxSize}
375 \end{twocollist}}
376 }
377
378 \membersection{wxWindow::Destroy}\label{wxwindowdestroy}
379
380 \func{virtual bool}{Destroy}{\void}
381
382 Destroys the window safely. Use this function instead of the delete operator, since
383 different window classes can be destroyed differently. Frames and dialogs
384 are not destroyed immediately when this function is called -- they are added
385 to a list of windows to be deleted on idle time, when all the window's events
386 have been processed. This prevents problems with events being sent to non-existent
387 windows.
388
389 \wxheading{Return value}
390
391 {\tt true} if the window has either been successfully deleted, or it has been added
392 to the list of windows pending real deletion.
393
394 \membersection{wxWindow::DestroyChildren}
395
396 \func{virtual void}{DestroyChildren}{\void}
397
398 Destroys all children of a window. Called automatically by the destructor.
399
400 \membersection{wxWindow::Disable}\label{wxwindowdisable}
401
402 \func{void}{Disable}{\void}
403
404 Disables the window, same as \helpref{Enable({\tt false})}{wxwindowenable}.
405
406 \wxheading{Return value}
407
408 Returns {\tt true} if the window has been disabled, {\tt false} if it had been
409 already disabled before the call to this function.
410
411 \membersection{wxWindow::DragAcceptFiles}\label{wxwindowdragacceptfiles}
412
413 \func{virtual void}{DragAcceptFiles}{\param{bool}{ accept}}
414
415 Enables or disables eligibility for drop file events (OnDropFiles).
416
417 \wxheading{Parameters}
418
419 \docparam{accept}{If {\tt true}, the window is eligible for drop file events. If {\tt false}, the window
420 will not accept drop file events.}
421
422 \wxheading{Remarks}
423
424 Windows only.
425
426 \membersection{wxWindow::Enable}\label{wxwindowenable}
427
428 \func{virtual bool}{Enable}{\param{bool}{ enable = {\tt true}}}
429
430 Enable or disable the window for user input. Note that when a parent window is
431 disabled, all of its children are disabled as well and they are reenabled again
432 when the parent is.
433
434 \wxheading{Parameters}
435
436 \docparam{enable}{If {\tt true}, enables the window for input. If {\tt false}, disables the window.}
437
438 \wxheading{Return value}
439
440 Returns {\tt true} if the window has been enabled or disabled, {\tt false} if
441 nothing was done, i.e. if the window had already been in the specified state.
442
443 \wxheading{See also}
444
445 \helpref{wxWindow::IsEnabled}{wxwindowisenabled},\rtfsp
446 \helpref{wxWindow::Disable}{wxwindowdisable}
447
448 \membersection{wxWindow::FindFocus}\label{wxwindowfindfocus}
449
450 \func{static wxWindow*}{FindFocus}{\void}
451
452 Finds the window or control which currently has the keyboard focus.
453
454 \wxheading{Remarks}
455
456 Note that this is a static function, so it can be called without needing a wxWindow pointer.
457
458 \wxheading{See also}
459
460 \helpref{wxWindow::SetFocus}{wxwindowsetfocus}
461
462 \membersection{wxWindow::FindWindow}\label{wxwindowfindwindow}
463
464 \func{wxWindow*}{FindWindow}{\param{long}{ id}}
465
466 Find a child of this window, by identifier.
467
468 \func{wxWindow*}{FindWindow}{\param{const wxString\&}{ name}}
469
470 Find a child of this window, by name.
471
472 \pythonnote{In place of a single overloaded method name, wxPython
473 implements the following methods:\par
474 \indented{2cm}{\begin{twocollist}
475 \twocolitem{{\bf FindWindowById(id)}}{Accepts an integer}
476 \twocolitem{{\bf FindWindowByName(name)}}{Accepts a string}
477 \end{twocollist}}
478 }
479
480 \membersection{wxWindow::FindWindowById}\label{wxwindowfindwindowbyid}
481
482 \func{static wxWindow*}{FindWindowById}{\param{long}{ id}, \param{wxWindow*}{ parent = NULL}}
483
484 Find the first window with the given {\it id}.
485
486 If {\it parent} is NULL, the search will start from all top-level
487 frames and dialog boxes; if non-NULL, the search will be limited to the given window hierarchy.
488 The search is recursive in both cases.
489
490 \wxheading{See also}
491
492 \helpref{FindWindow}{wxwindowfindwindow}
493
494 \membersection{wxWindow::FindWindowByName}\label{wxwindowfindwindowbyname}
495
496 \func{static wxWindow*}{FindWindowByName}{\param{const wxString\&}{ name}, \param{wxWindow*}{ parent = NULL}}
497
498 Find a window by its name (as given in a window constructor or {\bf Create} function call).
499 If {\it parent} is NULL, the search will start from all top-level
500 frames and dialog boxes; if non-NULL, the search will be limited to the given window hierarchy.
501 The search is recursive in both cases.
502
503 If no window with such name is found,
504 \helpref{FindWindowByLabel}{wxwindowfindwindowbylabel} is called.
505
506 \wxheading{See also}
507
508 \helpref{FindWindow}{wxwindowfindwindow}
509
510 \membersection{wxWindow::FindWindowByLabel}\label{wxwindowfindwindowbylabel}
511
512 \func{static wxWindow*}{FindWindowByLabel}{\param{const wxString\&}{ label}, \param{wxWindow*}{ parent = NULL}}
513
514 Find a window by its label. Depending on the type of window, the label may be a window title
515 or panel item label. If {\it parent} is NULL, the search will start from all top-level
516 frames and dialog boxes; if non-NULL, the search will be limited to the given window hierarchy.
517 The search is recursive in both cases.
518
519 \wxheading{See also}
520
521 \helpref{FindWindow}{wxwindowfindwindow}
522
523 \membersection{wxWindow::Fit}\label{wxwindowfit}
524
525 \func{virtual void}{Fit}{\void}
526
527 Sizes the window so that it fits around its subwindows. This function won't do
528 anything if there are no subwindows and will only really work correctly if the
529 sizers are used for the subwindows layout. Also, if the window has exactly one
530 subwindow it is better (faster and the result is more precise as Fit adds some
531 margin to account for fuzziness of its calculations) to call
532
533 \begin{verbatim}
534 window->SetClientSize(child->GetSize());
535 \end{verbatim}
536
537 instead of calling Fit.
538
539 \membersection{wxWindow::FitInside}\label{wxwindowfitinside}
540
541 \func{virtual void}{FitInside}{\void}
542
543 Similar to \helpref{Fit}{wxwindowfit}, but sizes the interior (virtual) size
544 of a window. Mainly useful with scrolled windows to reset scrollbars after
545 sizing changes that do not trigger a size event, and/or scrolled windows without
546 an interior sizer. This function similarly won't do anything if there are no
547 subwindows.
548
549 \membersection{wxWindow::Freeze}\label{wxwindowfreeze}
550
551 \func{virtual void}{Freeze}{\void}
552
553 Freezes the window or, in other words, prevents any updates from taking place
554 on screen, the window is not redrawn at all. \helpref{Thaw}{wxwindowthaw} must
555 be called to reenable window redrawing.
556
557 This method is useful for visual appearance optimization (for example, it
558 is a good idea to use it before inserting large amount of text into a
559 wxTextCtrl under wxGTK) but is not implemented on all platforms nor for all
560 controls so it is mostly just a hint to wxWindows and not a mandatory
561 directive.
562
563 \membersection{wxWindow::GetAccessible}\label{wxwindowgetaccessible}
564
565 \func{wxAccessibile*}{GetAccessible}{\void}
566
567 Returns the accessible object for this window, if any.
568
569 See also \helpref{wxAccessible}{wxaccessible}.
570
571 \membersection{wxWindow::GetAdjustedBestSize}\label{wxwindowgetadjustedbestsize}
572
573 \constfunc{wxSize}{GetAdjustedBestSize}{\void}
574
575 This method is similar to \helpref{GetBestSize}{wxwindowgetbestsize}, except
576 in one thing. GetBestSize should return the minimum untruncated size of the
577 window, while this method will return the largest of BestSize and any user
578 specified minimum size. ie. it is the minimum size the window should currently
579 be drawn at, not the minimal size it can possibly tolerate.
580
581 \membersection{wxWindow::GetBackgroundColour}\label{wxwindowgetbackgroundcolour}
582
583 \constfunc{virtual wxColour}{GetBackgroundColour}{\void}
584
585 Returns the background colour of the window.
586
587 \wxheading{See also}
588
589 \helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
590 \helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
591 \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour}
592
593 \membersection{wxWindow::GetBestSize}\label{wxwindowgetbestsize}
594
595 \constfunc{virtual wxSize}{GetBestSize}{\void}
596
597 This functions returns the best acceptable minimal size for the window. For
598 example, for a static control, it will be the minimal size such that the
599 control label is not truncated. For windows containing subwindows (typically
600 \helpref{wxPanel}{wxpanel}), the size returned by this function will be the
601 same as the size the window would have had after calling
602 \helpref{Fit}{wxwindowfit}.
603
604 \membersection{wxWindow::GetCaret}\label{wxwindowgetcaret}
605
606 \constfunc{wxCaret *}{GetCaret}{\void}
607
608 Returns the \helpref{caret}{wxcaret} associated with the window.
609
610 \membersection{wxWindow::GetCapture}\label{wxwindowgetcapture}
611
612 \func{static wxWindow *}{GetCapture}{\void}
613
614 Returns the currently captured window.
615
616 \wxheading{See also}
617
618 \helpref{wxWindow::HasCapture}{wxwindowhascapture},
619 \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse},
620 \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse},
621 \helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent}
622
623 \membersection{wxWindow::GetCharHeight}
624
625 \constfunc{virtual int}{GetCharHeight}{\void}
626
627 Returns the character height for this window.
628
629 \membersection{wxWindow::GetCharWidth}
630
631 \constfunc{virtual int}{GetCharWidth}{\void}
632
633 Returns the average character width for this window.
634
635 \membersection{wxWindow::GetChildren}
636
637 \func{wxList\&}{GetChildren}{\void}
638
639 Returns a reference to the list of the window's children.
640
641 \membersection{wxWindow::GetClientSize}\label{wxwindowgetclientsize}
642
643 \constfunc{virtual void}{GetClientSize}{\param{int* }{width}, \param{int* }{height}}
644
645 \perlnote{In wxPerl this method takes no parameter and returns
646 a 2-element list {\tt ( width, height )}.}
647
648 \constfunc{virtual wxSize}{GetClientSize}{\void}
649
650 This gets the size of the window `client area' in pixels.
651 The client area is the area which may be drawn on by the programmer,
652 excluding title bar, border, scrollbars, etc.
653
654 \wxheading{Parameters}
655
656 \docparam{width}{Receives the client width in pixels.}
657
658 \docparam{height}{Receives the client height in pixels.}
659
660 \pythonnote{In place of a single overloaded method name, wxPython
661 implements the following methods:\par
662 \indented{2cm}{\begin{twocollist}
663 \twocolitem{{\bf GetClientSizeTuple()}}{Returns a 2-tuple of (width, height)}
664 \twocolitem{{\bf GetClientSize()}}{Returns a wxSize object}
665 \end{twocollist}}
666 }
667
668 \wxheading{See also}
669
670 \helpref{GetSize}{wxwindowgetsize}
671 \helpref{GetVirtualSize}{wxwindowgetvirtualsize}
672
673 \membersection{wxWindow::GetConstraints}\label{wxwindowgetconstraints}
674
675 \constfunc{wxLayoutConstraints*}{GetConstraints}{\void}
676
677 Returns a pointer to the window's layout constraints, or NULL if there are none.
678
679 \membersection{wxWindow::GetContainingSizer}\label{wxwindowgetcontainingsizer}
680
681 \constfunc{const wxSizer *}{GetContainingSizer}{\void}
682
683 Return the sizer that this window is a member of, if any, otherwise
684 {\tt NULL}.
685
686 \membersection{wxWindow::GetDropTarget}\label{wxwindowgetdroptarget}
687
688 \constfunc{wxDropTarget*}{GetDropTarget}{\void}
689
690 Returns the associated drop target, which may be NULL.
691
692 \wxheading{See also}
693
694 \helpref{wxWindow::SetDropTarget}{wxwindowsetdroptarget},
695 \helpref{Drag and drop overview}{wxdndoverview}
696
697 \membersection{wxWindow::GetEventHandler}\label{wxwindowgeteventhandler}
698
699 \constfunc{wxEvtHandler*}{GetEventHandler}{\void}
700
701 Returns the event handler for this window. By default, the window is its
702 own event handler.
703
704 \wxheading{See also}
705
706 \helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
707 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
708 \helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
709 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
710 \helpref{wxEvtHandler}{wxevthandler}\rtfsp
711
712 \membersection{wxWindow::GetExtraStyle}\label{wxwindowgetextrastyle}
713
714 \constfunc{long}{GetExtraStyle}{\void}
715
716 Returns the extra style bits for the window.
717
718 \membersection{wxWindow::GetFont}\label{wxwindowgetfont}
719
720 \constfunc{wxFont\&}{GetFont}{\void}
721
722 Returns a reference to the font for this window.
723
724 \wxheading{See also}
725
726 \helpref{wxWindow::SetFont}{wxwindowsetfont}
727
728 \membersection{wxWindow::GetForegroundColour}\label{wxwindowgetforegroundcolour}
729
730 \func{virtual wxColour}{GetForegroundColour}{\void}
731
732 Returns the foreground colour of the window.
733
734 \wxheading{Remarks}
735
736 The interpretation of foreground colour is open to interpretation according
737 to the window class; it may be the text colour or other colour, or it may not
738 be used at all.
739
740 \wxheading{See also}
741
742 \helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
743 \helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
744 \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour}
745
746 \membersection{wxWindow::GetGrandParent}
747
748 \constfunc{wxWindow*}{GetGrandParent}{\void}
749
750 Returns the grandparent of a window, or NULL if there isn't one.
751
752 \membersection{wxWindow::GetHandle}\label{wxwindowgethandle}
753
754 \constfunc{void*}{GetHandle}{\void}
755
756 Returns the platform-specific handle of the physical window. Cast it to an appropriate
757 handle, such as {\bf HWND} for Windows, {\bf Widget} for Motif or {\bf GtkWidget} for GTK.
758
759 \pythonnote{This method will return an integer in wxPython.}
760
761 \perlnote{This method will return an integer in wxPerl.}
762
763 \membersection{wxWindow::GetHelpText}\label{wxwindowgethelptext}
764
765 \constfunc{virtual wxString}{GetHelpText}{\void}
766
767 Gets the help text to be used as context-sensitive help for this window.
768
769 Note that the text is actually stored by the current \helpref{wxHelpProvider}{wxhelpprovider} implementation,
770 and not in the window object itself.
771
772 \wxheading{See also}
773
774 \helpref{SetHelpText}{wxwindowsethelptext}, \helpref{wxHelpProvider}{wxhelpprovider}
775
776 \membersection{wxWindow::GetId}\label{wxwindowgetid}
777
778 \constfunc{int}{GetId}{\void}
779
780 Returns the identifier of the window.
781
782 \wxheading{Remarks}
783
784 Each window has an integer identifier. If the application has not provided one
785 (or the default Id -1) an unique identifier with a negative value will be generated.
786
787 \wxheading{See also}
788
789 \helpref{wxWindow::SetId}{wxwindowsetid},\rtfsp
790 \helpref{Window identifiers}{windowids}
791
792 \membersection{wxWindow::GetLabel}
793
794 \constfunc{virtual wxString }{GetLabel}{\void}
795
796 Generic way of getting a label from any window, for
797 identification purposes.
798
799 \wxheading{Remarks}
800
801 The interpretation of this function differs from class to class.
802 For frames and dialogs, the value returned is the title. For buttons or static text controls, it is
803 the button text. This function can be useful for meta-programs (such as testing
804 tools or special-needs access programs) which need to identify windows
805 by name.
806
807 \membersection{wxWindow::GetName}\label{wxwindowgetname}
808
809 \constfunc{virtual wxString }{GetName}{\void}
810
811 Returns the window's name.
812
813 \wxheading{Remarks}
814
815 This name is not guaranteed to be unique; it is up to the programmer to supply an appropriate
816 name in the window constructor or via \helpref{wxWindow::SetName}{wxwindowsetname}.
817
818 \wxheading{See also}
819
820 \helpref{wxWindow::SetName}{wxwindowsetname}
821
822 \membersection{wxWindow::GetParent}
823
824 \constfunc{virtual wxWindow*}{GetParent}{\void}
825
826 Returns the parent of the window, or NULL if there is no parent.
827
828 \membersection{wxWindow::GetPosition}\label{wxwindowgetposition}
829
830 \constfunc{virtual void}{GetPosition}{\param{int* }{x}, \param{int* }{y}}
831
832 \constfunc{wxPoint}{GetPosition}{\void}
833
834 This gets the position of the window in pixels, relative to the parent window
835 for the child windows or relative to the display origin for the top level
836 windows.
837
838 \wxheading{Parameters}
839
840 \docparam{x}{Receives the x position of the window.}
841
842 \docparam{y}{Receives the y position of the window.}
843
844 \pythonnote{In place of a single overloaded method name, wxPython
845 implements the following methods:\par
846 \indented{2cm}{\begin{twocollist}
847 \twocolitem{{\bf GetPosition()}}{Returns a wxPoint}
848 \twocolitem{{\bf GetPositionTuple()}}{Returns a tuple (x, y)}
849 \end{twocollist}}
850 }
851
852 \perlnote{In wxPerl there are two methods instead of a single overloaded
853 method:\par
854 \indented{2cm}{\begin{twocollist}
855 \twocolitem{{\bf GetPosition()}}{Returns a Wx::Point}
856 \twocolitem{{\bf GetPositionXY()}}{Returns a 2-element list
857 {\tt ( x, y )}}
858 \end{twocollist}
859 }}
860
861 \membersection{wxWindow::GetRect}\label{wxwindowgetrect}
862
863 \constfunc{virtual wxRect}{GetRect}{\void}
864
865 Returns the size and position of the window as a \helpref{wxRect}{wxrect} object.
866
867 \membersection{wxWindow::GetScrollThumb}\label{wxwindowgetscrollthumb}
868
869 \func{virtual int}{GetScrollThumb}{\param{int }{orientation}}
870
871 Returns the built-in scrollbar thumb size.
872
873 \wxheading{See also}
874
875 \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
876
877 \membersection{wxWindow::GetScrollPos}\label{wxwindowgetscrollpos}
878
879 \func{virtual int}{GetScrollPos}{\param{int }{orientation}}
880
881 Returns the built-in scrollbar position.
882
883 \wxheading{See also}
884
885 See \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
886
887 \membersection{wxWindow::GetScrollRange}\label{wxwindowgetscrollrange}
888
889 \func{virtual int}{GetScrollRange}{\param{int }{orientation}}
890
891 Returns the built-in scrollbar range.
892
893 \wxheading{See also}
894
895 \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
896
897 \membersection{wxWindow::GetSize}\label{wxwindowgetsize}
898
899 \constfunc{virtual void}{GetSize}{\param{int* }{width}, \param{int* }{height}}
900
901 \constfunc{virtual wxSize}{GetSize}{\void}
902
903 This gets the size of the entire window in pixels,
904 including title bar, border, scrollbars, etc.
905
906 \wxheading{Parameters}
907
908 \docparam{width}{Receives the window width.}
909
910 \docparam{height}{Receives the window height.}
911
912 \pythonnote{In place of a single overloaded method name, wxPython
913 implements the following methods:\par
914 \indented{2cm}{\begin{twocollist}
915 \twocolitem{{\bf GetSize()}}{Returns a wxSize}
916 \twocolitem{{\bf GetSizeTuple()}}{Returns a 2-tuple (width, height)}
917 \end{twocollist}}
918 }
919
920 \perlnote{In wxPerl there are two methods instead of a single overloaded
921 method:\par
922 \indented{2cm}{\begin{twocollist}
923 \twocolitem{{\bf GetSize()}}{Returns a Wx::Size}
924 \twocolitem{{\bf GetSizeWH()}}{Returns a 2-element list
925 {\tt ( width, height )}}
926 \end{twocollist}
927 }}
928
929 \wxheading{See also}
930
931 \helpref{GetClientSize}{wxwindowgetclientsize},\rtfsp
932 \helpref{GetVirtualSize}{wxwindowgetvirtualsize}
933
934 \membersection{wxWindow::GetSizer}\label{wxwindowgetsizer}
935
936 \constfunc{wxSizer *}{GetSizer}{\void}
937
938 Return the sizer associated with the window by a previous call to
939 \helpref{SetSizer()}{wxwindowsetsizer} or {\tt NULL}.
940
941 \membersection{wxWindow::GetTextExtent}\label{wxwindowgettextextent}
942
943 \constfunc{virtual void}{GetTextExtent}{\param{const wxString\& }{string}, \param{int* }{x}, \param{int* }{y},
944 \param{int* }{descent = NULL}, \param{int* }{externalLeading = NULL},
945 \param{const wxFont* }{font = NULL}, \param{bool}{ use16 = {\tt false}}}
946
947 Gets the dimensions of the string as it would be drawn on the
948 window with the currently selected font.
949
950 \wxheading{Parameters}
951
952 \docparam{string}{String whose extent is to be measured.}
953
954 \docparam{x}{Return value for width.}
955
956 \docparam{y}{Return value for height.}
957
958 \docparam{descent}{Return value for descent (optional).}
959
960 \docparam{externalLeading}{Return value for external leading (optional).}
961
962 \docparam{font}{Font to use instead of the current window font (optional).}
963
964 \docparam{use16}{If {\tt true}, {\it string} contains 16-bit characters. The default is {\tt false}.}
965
966
967 \pythonnote{In place of a single overloaded method name, wxPython
968 implements the following methods:\par
969 \indented{2cm}{\begin{twocollist}
970 \twocolitem{{\bf GetTextExtent(string)}}{Returns a 2-tuple, (width, height)}
971 \twocolitem{{\bf GetFullTextExtent(string, font=NULL)}}{Returns a
972 4-tuple, (width, height, descent, externalLeading) }
973 \end{twocollist}}
974 }
975
976 \perlnote{In wxPerl this method takes only the {\tt string} and optionally
977 {\tt font} parameters, and returns a 4-element list
978 {\tt ( x, y, descent, externalLeading )}.}
979
980 \membersection{wxWindow::GetTitle}\label{wxwindowgettitle}
981
982 \func{virtual wxString}{GetTitle}{\void}
983
984 Gets the window's title. Applicable only to frames and dialogs.
985
986 \wxheading{See also}
987
988 \helpref{wxWindow::SetTitle}{wxwindowsettitle}
989
990 \membersection{wxWindow::GetToolTip}\label{wxwindowgettooltip}
991
992 \constfunc{wxToolTip*}{GetToolTip}{\void}
993
994 Get the associated tooltip or NULL if none.
995
996 \membersection{wxWindow::GetUpdateRegion}\label{wxwindowgetupdateregion}
997
998 \constfunc{virtual wxRegion}{GetUpdateRegion}{\void}
999
1000 Returns the region specifying which parts of the window have been damaged. Should
1001 only be called within an \helpref{wxPaintEvent}{wxpaintevent} handler.
1002
1003 \wxheading{See also}
1004
1005 \helpref{wxRegion}{wxregion},\rtfsp
1006 \helpref{wxRegionIterator}{wxregioniterator}
1007
1008 \membersection{wxWindow::GetValidator}\label{wxwindowgetvalidator}
1009
1010 \constfunc{wxValidator*}{GetValidator}{\void}
1011
1012 Returns a pointer to the current validator for the window, or NULL if there is none.
1013
1014 \membersection{wxWindow::GetVirtualSize}\label{wxwindowgetvirtualsize}
1015
1016 \constfunc{void}{GetVirtualSize}{\param{int* }{width}, \param{int* }{height}}
1017
1018 \constfunc{wxSize}{GetVirtualSize}{\void}
1019
1020 This gets the virtual size of the window in pixels.
1021
1022 \wxheading{Parameters}
1023
1024 \docparam{width}{Receives the window virtual width.}
1025
1026 \docparam{height}{Receives the window virtual height.}
1027
1028 \helpref{GetSize}{wxwindowgetsize},\rtfsp
1029 \helpref{GetClientSize}{wxwindowgetclientsize}
1030
1031 \membersection{wxWindow::GetWindowStyleFlag}\label{wxwindowgetwindowstyleflag}
1032
1033 \constfunc{long}{GetWindowStyleFlag}{\void}
1034
1035 Gets the window style that was passed to the constructor or {\bf Create}
1036 method. {\bf GetWindowStyle()} is another name for the same function.
1037
1038 \membersection{wxWindow::HasCapture}\label{wxwindowhascapture}
1039
1040 \constfunc{virtual bool}{HasCapture}{\void}
1041
1042 Returns true if this window has the current mouse capture.
1043
1044 \wxheading{See also}
1045
1046 \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse},
1047 \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse},
1048 \helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent}
1049
1050 \membersection{wxWindow::Hide}\label{wxwindowhide}
1051
1052 \func{bool}{Hide}{\void}
1053
1054 Equivalent to calling \helpref{Show}{wxwindowshow}({\tt false}).
1055
1056 \membersection{wxWindow::InitDialog}\label{wxwindowinitdialog}
1057
1058 \func{void}{InitDialog}{\void}
1059
1060 Sends an {\tt wxEVT\_INIT\_DIALOG} event, whose handler usually transfers data
1061 to the dialog via validators.
1062
1063 \membersection{wxWindow::IsEnabled}\label{wxwindowisenabled}
1064
1065 \constfunc{virtual bool}{IsEnabled}{\void}
1066
1067 Returns {\tt true} if the window is enabled for input, {\tt false} otherwise.
1068
1069 \wxheading{See also}
1070
1071 \helpref{wxWindow::Enable}{wxwindowenable}
1072
1073 \membersection{wxWindow::IsExposed}\label{wxwindowisexposed}
1074
1075 \constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}}
1076
1077 \constfunc{bool}{IsExposed}{\param{wxPoint }{\&pt}}
1078
1079 \constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}, \param{int }{w}, \param{int }{h}}
1080
1081 \constfunc{bool}{IsExposed}{\param{wxRect }{\&rect}}
1082
1083 Returns {\tt true} if the given point or rectangle area has been exposed since the
1084 last repaint. Call this in an paint event handler to optimize redrawing by
1085 only redrawing those areas, which have been exposed.
1086
1087 \pythonnote{In place of a single overloaded method name, wxPython
1088 implements the following methods:\par
1089 \indented{2cm}{\begin{twocollist}
1090 \twocolitem{{\bf IsExposed(x,y, w=0,h=0}}{}
1091 \twocolitem{{\bf IsExposedPoint(pt)}}{}
1092 \twocolitem{{\bf IsExposedRect(rect)}}{}
1093 \end{twocollist}}}
1094
1095 \membersection{wxWindow::IsRetained}\label{wxwindowisretained}
1096
1097 \constfunc{virtual bool}{IsRetained}{\void}
1098
1099 Returns {\tt true} if the window is retained, {\tt false} otherwise.
1100
1101 \wxheading{Remarks}
1102
1103 Retained windows are only available on X platforms.
1104
1105 \membersection{wxWindow::IsShown}\label{wxwindowisshown}
1106
1107 \constfunc{virtual bool}{IsShown}{\void}
1108
1109 Returns {\tt true} if the window is shown, {\tt false} if it has been hidden.
1110
1111 \membersection{wxWindow::IsTopLevel}\label{wxwindowistoplevel}
1112
1113 \constfunc{bool}{IsTopLevel}{\void}
1114
1115 Returns {\tt true} if the given window is a top-level one. Currently all frames and
1116 dialogs are considered to be top-level windows (even if they have a parent
1117 window).
1118
1119 \membersection{wxWindow::Layout}\label{wxwindowlayout}
1120
1121 \func{void}{Layout}{\void}
1122
1123 Invokes the constraint-based layout algorithm or the sizer-based algorithm
1124 for this window.
1125
1126 See \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout}: when auto
1127 layout is on, this function gets called automatically when the window is resized.
1128
1129 \membersection{wxWindow::LineDown}\label{wxwindowlinedown}
1130
1131 This is just a wrapper for \helpref{ScrollLines()}{wxwindowscrolllines}$(1)$.
1132
1133 \membersection{wxWindow::LineUp}\label{wxwindowlineup}
1134
1135 This is just a wrapper for \helpref{ScrollLines()}{wxwindowscrolllines}$(-1)$.
1136
1137 \membersection{wxWindow::Lower}\label{wxwindowlower}
1138
1139 \func{void}{Lower}{\void}
1140
1141 Lowers the window to the bottom of the window hierarchy if it is a managed window (dialog
1142 or frame).
1143
1144 \membersection{wxWindow::MakeModal}\label{wxwindowmakemodal}
1145
1146 \func{virtual void}{MakeModal}{\param{bool }{flag}}
1147
1148 Disables all other windows in the application so that
1149 the user can only interact with this window. (This function
1150 is not implemented anywhere).
1151
1152 \wxheading{Parameters}
1153
1154 \docparam{flag}{If {\tt true}, this call disables all other windows in the application so that
1155 the user can only interact with this window. If {\tt false}, the effect is reversed.}
1156
1157 \membersection{wxWindow::Move}\label{wxwindowmove}
1158
1159 \func{void}{Move}{\param{int}{ x}, \param{int}{ y}}
1160
1161 \func{void}{Move}{\param{const wxPoint\&}{ pt}}
1162
1163 Moves the window to the given position.
1164
1165 \wxheading{Parameters}
1166
1167 \docparam{x}{Required x position.}
1168
1169 \docparam{y}{Required y position.}
1170
1171 \docparam{pt}{\helpref{wxPoint}{wxpoint} object representing the position.}
1172
1173 \wxheading{Remarks}
1174
1175 Implementations of SetSize can also implicitly implement the
1176 wxWindow::Move function, which is defined in the base wxWindow class
1177 as the call:
1178
1179 \begin{verbatim}
1180 SetSize(x, y, -1, -1, wxSIZE_USE_EXISTING);
1181 \end{verbatim}
1182
1183 \wxheading{See also}
1184
1185 \helpref{wxWindow::SetSize}{wxwindowsetsize}
1186
1187 \pythonnote{In place of a single overloaded method name, wxPython
1188 implements the following methods:\par
1189 \indented{2cm}{\begin{twocollist}
1190 \twocolitem{{\bf Move(point)}}{Accepts a wxPoint}
1191 \twocolitem{{\bf MoveXY(x, y)}}{Accepts a pair of integers}
1192 \end{twocollist}}
1193 }
1194
1195 %% VZ: wxWindow::OnXXX() functions should not be documented but I'm leaving
1196 %% the old docs here in case we want to move any still needed bits to
1197 %% the right location (i.e. probably the corresponding events docs)
1198 %%
1199 %% \membersection{wxWindow::OnActivate}\label{wxwindowonactivate}
1200 %%
1201 %% \func{void}{OnActivate}{\param{wxActivateEvent\&}{ event}}
1202 %%
1203 %% Called when a window is activated or deactivated.
1204 %%
1205 %% \wxheading{Parameters}
1206 %%
1207 %% \docparam{event}{Object containing activation information.}
1208 %%
1209 %% \wxheading{Remarks}
1210 %%
1211 %% If the window is being activated, \helpref{wxActivateEvent::GetActive}{wxactivateeventgetactive} returns {\tt true},
1212 %% otherwise it returns {\tt false} (it is being deactivated).
1213 %%
1214 %% \wxheading{See also}
1215 %%
1216 %% \helpref{wxActivateEvent}{wxactivateevent},\rtfsp
1217 %% \helpref{Event handling overview}{eventhandlingoverview}
1218 %%
1219 %% \membersection{wxWindow::OnChar}\label{wxwindowonchar}
1220 %%
1221 %% \func{void}{OnChar}{\param{wxKeyEvent\&}{ event}}
1222 %%
1223 %% Called when the user has pressed a key that is not a modifier (SHIFT, CONTROL or ALT).
1224 %%
1225 %% \wxheading{Parameters}
1226 %%
1227 %% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1228 %% details about this class.}
1229 %%
1230 %% \wxheading{Remarks}
1231 %%
1232 %% This member function is called in response to a keypress. To intercept this event,
1233 %% use the EVT\_CHAR macro in an event table definition. Your {\bf OnChar} handler may call this
1234 %% default function to achieve default keypress functionality.
1235 %%
1236 %% Note that the ASCII values do not have explicit key codes: they are passed as ASCII
1237 %% values.
1238 %%
1239 %% Note that not all keypresses can be intercepted this way. If you wish to intercept modifier
1240 %% keypresses, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1241 %% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1242 %%
1243 %% Most, but not all, windows allow keypresses to be intercepted.
1244 %%
1245 %% {\bf Tip:} be sure to call {\tt event.Skip()} for events that you don't process in this function,
1246 %% otherwise menu shortcuts may cease to work under Windows.
1247 %%
1248 %% \wxheading{See also}
1249 %%
1250 %% \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp
1251 %% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1252 %% \helpref{Event handling overview}{eventhandlingoverview}
1253 %%
1254 %% \membersection{wxWindow::OnCharHook}\label{wxwindowoncharhook}
1255 %%
1256 %% \func{void}{OnCharHook}{\param{wxKeyEvent\&}{ event}}
1257 %%
1258 %% This member is called to allow the window to intercept keyboard events
1259 %% before they are processed by child windows.
1260 %%
1261 %% \wxheading{Parameters}
1262 %%
1263 %% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1264 %% details about this class.}
1265 %%
1266 %% \wxheading{Remarks}
1267 %%
1268 %% This member function is called in response to a keypress, if the window is active. To intercept this event,
1269 %% use the EVT\_CHAR\_HOOK macro in an event table definition. If you do not process a particular
1270 %% keypress, call \helpref{wxEvent::Skip}{wxeventskip} to allow default processing.
1271 %%
1272 %% An example of using this function is in the implementation of escape-character processing for wxDialog,
1273 %% where pressing ESC dismisses the dialog by {\bf OnCharHook} 'forging' a cancel button press event.
1274 %%
1275 %% Note that the ASCII values do not have explicit key codes: they are passed as ASCII
1276 %% values.
1277 %%
1278 %% This function is only relevant to top-level windows (frames and dialogs), and under
1279 %% Windows only. Under GTK the normal EVT\_CHAR\_ event has the functionality, i.e.
1280 %% you can intercepts it and if you don't call \helpref{wxEvent::Skip}{wxeventskip}
1281 %% the window won't get the event.
1282 %%
1283 %% \wxheading{See also}
1284 %%
1285 %% \helpref{wxKeyEvent}{wxkeyevent},\rtfsp
1286 %% \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1287 %% %% GD: OnXXX functions are not documented
1288 %% %%\helpref{wxApp::OnCharHook}{wxapponcharhook},\rtfsp
1289 %% \helpref{Event handling overview}{eventhandlingoverview}
1290 %%
1291 %% \membersection{wxWindow::OnCommand}\label{wxwindowoncommand}
1292 %%
1293 %% \func{virtual void}{OnCommand}{\param{wxEvtHandler\& }{object}, \param{wxCommandEvent\& }{event}}
1294 %%
1295 %% This virtual member function is called if the control does not handle the command event.
1296 %%
1297 %% \wxheading{Parameters}
1298 %%
1299 %% \docparam{object}{Object receiving the command event.}
1300 %%
1301 %% \docparam{event}{Command event}
1302 %%
1303 %% \wxheading{Remarks}
1304 %%
1305 %% This virtual function is provided mainly for backward compatibility. You can also intercept commands
1306 %% from child controls by using an event table, with identifiers or identifier ranges to identify
1307 %% the control(s) in question.
1308 %%
1309 %% \wxheading{See also}
1310 %%
1311 %% \helpref{wxCommandEvent}{wxcommandevent},\rtfsp
1312 %% \helpref{Event handling overview}{eventhandlingoverview}
1313 %%
1314 %% \membersection{wxWindow::OnClose}\label{wxwindowonclose}
1315 %%
1316 %% \func{virtual bool}{OnClose}{\void}
1317 %%
1318 %% Called when the user has tried to close a a frame
1319 %% or dialog box using the window manager (X) or system menu (Windows).
1320 %%
1321 %% {\bf Note:} This is an obsolete function.
1322 %% It is superseded by the \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow} event
1323 %% handler.
1324 %%
1325 %% \wxheading{Return value}
1326 %%
1327 %% If {\tt true} is returned by OnClose, the window will be deleted by the system, otherwise the
1328 %% attempt will be ignored. Do not delete the window from within this handler, although
1329 %% you may delete other windows.
1330 %%
1331 %% \wxheading{See also}
1332 %%
1333 %% \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
1334 %% \helpref{wxWindow::Close}{wxwindowclose},\rtfsp
1335 %% \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow},\rtfsp
1336 %% \helpref{wxCloseEvent}{wxcloseevent}
1337 %%
1338 %% \membersection{wxWindow::OnKeyDown}\label{wxwindowonkeydown}
1339 %%
1340 %% \func{void}{OnKeyDown}{\param{wxKeyEvent\&}{ event}}
1341 %%
1342 %% Called when the user has pressed a key, before it is translated into an ASCII value using other
1343 %% modifier keys that might be pressed at the same time.
1344 %%
1345 %% \wxheading{Parameters}
1346 %%
1347 %% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1348 %% details about this class.}
1349 %%
1350 %% \wxheading{Remarks}
1351 %%
1352 %% This member function is called in response to a key down event. To intercept this event,
1353 %% use the EVT\_KEY\_DOWN macro in an event table definition. Your {\bf OnKeyDown} handler may call this
1354 %% default function to achieve default keypress functionality.
1355 %%
1356 %% Note that not all keypresses can be intercepted this way. If you wish to intercept special
1357 %% keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1358 %% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1359 %%
1360 %% Most, but not all, windows allow keypresses to be intercepted.
1361 %%
1362 %% {\bf Tip:} be sure to call {\tt event.Skip()} for events that you don't process in this function,
1363 %% otherwise menu shortcuts may cease to work under Windows.
1364 %%
1365 %% \wxheading{See also}
1366 %%
1367 %% \helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp
1368 %% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1369 %% \helpref{Event handling overview}{eventhandlingoverview}
1370 %%
1371 %% \membersection{wxWindow::OnKeyUp}\label{wxwindowonkeyup}
1372 %%
1373 %% \func{void}{OnKeyUp}{\param{wxKeyEvent\&}{ event}}
1374 %%
1375 %% Called when the user has released a key.
1376 %%
1377 %% \wxheading{Parameters}
1378 %%
1379 %% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1380 %% details about this class.}
1381 %%
1382 %% \wxheading{Remarks}
1383 %%
1384 %% This member function is called in response to a key up event. To intercept this event,
1385 %% use the EVT\_KEY\_UP macro in an event table definition. Your {\bf OnKeyUp} handler may call this
1386 %% default function to achieve default keypress functionality.
1387 %%
1388 %% Note that not all keypresses can be intercepted this way. If you wish to intercept special
1389 %% keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1390 %% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1391 %%
1392 %% Most, but not all, windows allow key up events to be intercepted.
1393 %%
1394 %% \wxheading{See also}
1395 %%
1396 %% \helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown},\rtfsp
1397 %% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1398 %% \helpref{Event handling overview}{eventhandlingoverview}
1399 %%
1400 %% \membersection{wxWindow::OnInitDialog}\label{wxwindowoninitdialog}
1401 %%
1402 %% \func{void}{OnInitDialog}{\param{wxInitDialogEvent\&}{ event}}
1403 %%
1404 %% Default handler for the wxEVT\_INIT\_DIALOG event. Calls \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow}.
1405 %%
1406 %% \wxheading{Parameters}
1407 %%
1408 %% \docparam{event}{Dialog initialisation event.}
1409 %%
1410 %% \wxheading{Remarks}
1411 %%
1412 %% Gives the window the default behaviour of transferring data to child controls via
1413 %% the validator that each control has.
1414 %%
1415 %% \wxheading{See also}
1416 %%
1417 %% \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow}
1418 %%
1419 %% \membersection{wxWindow::OnMenuCommand}\label{wxwindowonmenucommand}
1420 %%
1421 %% \func{void}{OnMenuCommand}{\param{wxCommandEvent\& }{event}}
1422 %%
1423 %% Called when a menu command is received from a menu bar.
1424 %%
1425 %% \wxheading{Parameters}
1426 %%
1427 %% \docparam{event}{The menu command event. For more information, see \helpref{wxCommandEvent}{wxcommandevent}.}
1428 %%
1429 %% \wxheading{Remarks}
1430 %%
1431 %% A function with this name doesn't actually exist; you can choose any member function to receive
1432 %% menu command events, using the EVT\_COMMAND macro for individual commands or EVT\_COMMAND\_RANGE for
1433 %% a range of commands.
1434 %%
1435 %% \wxheading{See also}
1436 %%
1437 %% \helpref{wxCommandEvent}{wxcommandevent},\rtfsp
1438 %% \helpref{wxWindow::OnMenuHighlight}{wxwindowonmenuhighlight},\rtfsp
1439 %% \helpref{Event handling overview}{eventhandlingoverview}
1440 %%
1441 %% \membersection{wxWindow::OnMenuHighlight}\label{wxwindowonmenuhighlight}
1442 %%
1443 %% \func{void}{OnMenuHighlight}{\param{wxMenuEvent\& }{event}}
1444 %%
1445 %% Called when a menu select is received from a menu bar: that is, the
1446 %% mouse cursor is over a menu item, but the left mouse button has not been
1447 %% pressed.
1448 %%
1449 %% \wxheading{Parameters}
1450 %%
1451 %% \docparam{event}{The menu highlight event. For more information, see \helpref{wxMenuEvent}{wxmenuevent}.}
1452 %%
1453 %% \wxheading{Remarks}
1454 %%
1455 %% You can choose any member function to receive
1456 %% menu select events, using the EVT\_MENU\_HIGHLIGHT macro for individual menu items or EVT\_MENU\_HIGHLIGHT\_ALL macro
1457 %% for all menu items.
1458 %%
1459 %% The default implementation for \helpref{wxFrame::OnMenuHighlight}{wxframeonmenuhighlight} displays help
1460 %% text in the first field of the status bar.
1461 %%
1462 %% This function was known as {\bf OnMenuSelect} in earlier versions of wxWindows, but this was confusing
1463 %% since a selection is normally a left-click action.
1464 %%
1465 %% \wxheading{See also}
1466 %%
1467 %% \helpref{wxMenuEvent}{wxmenuevent},\rtfsp
1468 %% \helpref{wxWindow::OnMenuCommand}{wxwindowonmenucommand},\rtfsp
1469 %% \helpref{Event handling overview}{eventhandlingoverview}
1470 %%
1471 %%
1472 %% \membersection{wxWindow::OnMouseEvent}\label{wxwindowonmouseevent}
1473 %%
1474 %% \func{void}{OnMouseEvent}{\param{wxMouseEvent\&}{ event}}
1475 %%
1476 %% Called when the user has initiated an event with the
1477 %% mouse.
1478 %%
1479 %% \wxheading{Parameters}
1480 %%
1481 %% \docparam{event}{The mouse event. See \helpref{wxMouseEvent}{wxmouseevent} for
1482 %% more details.}
1483 %%
1484 %% \wxheading{Remarks}
1485 %%
1486 %% Most, but not all, windows respond to this event.
1487 %%
1488 %% To intercept this event, use the EVT\_MOUSE\_EVENTS macro in an event table definition, or individual
1489 %% mouse event macros such as EVT\_LEFT\_DOWN.
1490 %%
1491 %% \wxheading{See also}
1492 %%
1493 %% \helpref{wxMouseEvent}{wxmouseevent},\rtfsp
1494 %% \helpref{Event handling overview}{eventhandlingoverview}
1495 %%
1496 %% \membersection{wxWindow::OnMove}\label{wxwindowonmove}
1497 %%
1498 %% \func{void}{OnMove}{\param{wxMoveEvent\& }{event}}
1499 %%
1500 %% Called when a window is moved.
1501 %%
1502 %% \wxheading{Parameters}
1503 %%
1504 %% \docparam{event}{The move event. For more information, see \helpref{wxMoveEvent}{wxmoveevent}.}
1505 %%
1506 %% \wxheading{Remarks}
1507 %%
1508 %% Use the EVT\_MOVE macro to intercept move events.
1509 %%
1510 %% \wxheading{Remarks}
1511 %%
1512 %% Not currently implemented.
1513 %%
1514 %% \wxheading{See also}
1515 %%
1516 %% \helpref{wxMoveEvent}{wxmoveevent},\rtfsp
1517 %% \helpref{wxFrame::OnSize}{wxframeonsize},\rtfsp
1518 %% \helpref{Event handling overview}{eventhandlingoverview}
1519 %%
1520 %% \membersection{wxWindow::OnPaint}\label{wxwindowonpaint}
1521 %%
1522 %% \func{void}{OnPaint}{\param{wxPaintEvent\& }{event}}
1523 %%
1524 %% Sent to the event handler when the window must be refreshed.
1525 %%
1526 %% \wxheading{Parameters}
1527 %%
1528 %% \docparam{event}{Paint event. For more information, see \helpref{wxPaintEvent}{wxpaintevent}.}
1529 %%
1530 %% \wxheading{Remarks}
1531 %%
1532 %% Use the EVT\_PAINT macro in an event table definition to intercept paint events.
1533 %%
1534 %% Note that In a paint event handler, the application must {\it always} create a \helpref{wxPaintDC}{wxpaintdc} object,
1535 %% even if you do not use it. Otherwise, under MS Windows, refreshing for this and other windows will go wrong.
1536 %%
1537 %% For example:
1538 %%
1539 %% \small{%
1540 %% \begin{verbatim}
1541 %% void MyWindow::OnPaint(wxPaintEvent\& event)
1542 %% {
1543 %% wxPaintDC dc(this);
1544 %%
1545 %% DrawMyDocument(dc);
1546 %% }
1547 %% \end{verbatim}
1548 %% }%
1549 %%
1550 %% You can optimize painting by retrieving the rectangles
1551 %% that have been damaged and only repainting these. The rectangles are in
1552 %% terms of the client area, and are unscrolled, so you will need to do
1553 %% some calculations using the current view position to obtain logical,
1554 %% scrolled units.
1555 %%
1556 %% Here is an example of using the \helpref{wxRegionIterator}{wxregioniterator} class:
1557 %%
1558 %% {\small%
1559 %% \begin{verbatim}
1560 %% // Called when window needs to be repainted.
1561 %% void MyWindow::OnPaint(wxPaintEvent\& event)
1562 %% {
1563 %% wxPaintDC dc(this);
1564 %%
1565 %% // Find Out where the window is scrolled to
1566 %% int vbX,vbY; // Top left corner of client
1567 %% GetViewStart(&vbX,&vbY);
1568 %%
1569 %% int vX,vY,vW,vH; // Dimensions of client area in pixels
1570 %% wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
1571 %%
1572 %% while (upd)
1573 %% {
1574 %% vX = upd.GetX();
1575 %% vY = upd.GetY();
1576 %% vW = upd.GetW();
1577 %% vH = upd.GetH();
1578 %%
1579 %% // Alternatively we can do this:
1580 %% // wxRect rect;
1581 %% // upd.GetRect(&rect);
1582 %%
1583 %% // Repaint this rectangle
1584 %% ...some code...
1585 %%
1586 %% upd ++ ;
1587 %% }
1588 %% }
1589 %% \end{verbatim}
1590 %% }%
1591 %%
1592 %% \wxheading{See also}
1593 %%
1594 %% \helpref{wxPaintEvent}{wxpaintevent},\rtfsp
1595 %% \helpref{wxPaintDC}{wxpaintdc},\rtfsp
1596 %% \helpref{Event handling overview}{eventhandlingoverview}
1597 %%
1598 %% \membersection{wxWindow::OnScroll}\label{wxwindowonscroll}
1599 %%
1600 %% \func{void}{OnScroll}{\param{wxScrollWinEvent\& }{event}}
1601 %%
1602 %% Called when a scroll window event is received from one of the window's built-in scrollbars.
1603 %%
1604 %% \wxheading{Parameters}
1605 %%
1606 %% \docparam{event}{Command event. Retrieve the new scroll position by
1607 %% calling \helpref{wxScrollEvent::GetPosition}{wxscrolleventgetposition}, and the
1608 %% scrollbar orientation by calling \helpref{wxScrollEvent::GetOrientation}{wxscrolleventgetorientation}.}
1609 %%
1610 %% \wxheading{Remarks}
1611 %%
1612 %% Note that it is not possible to distinguish between horizontal and vertical scrollbars
1613 %% until the function is executing (you can't have one function for vertical, another
1614 %% for horizontal events).
1615 %%
1616 %% \wxheading{See also}
1617 %%
1618 %% \helpref{wxScrollWinEvent}{wxscrollwinevent},\rtfsp
1619 %% \helpref{Event handling overview}{eventhandlingoverview}
1620 %%
1621 %% \membersection{wxWindow::OnSetFocus}\label{wxwindowonsetfocus}
1622 %%
1623 %% \func{void}{OnSetFocus}{\param{wxFocusEvent\& }{event}}
1624 %%
1625 %% Called when a window's focus is being set.
1626 %%
1627 %% \wxheading{Parameters}
1628 %%
1629 %% \docparam{event}{The focus event. For more information, see \helpref{wxFocusEvent}{wxfocusevent}.}
1630 %%
1631 %% \wxheading{Remarks}
1632 %%
1633 %% To intercept this event, use the macro EVT\_SET\_FOCUS in an event table definition.
1634 %%
1635 %% Most, but not all, windows respond to this event.
1636 %%
1637 %% \wxheading{See also}
1638 %%
1639 %% \helpref{wxFocusEvent}{wxfocusevent}, \helpref{wxWindow::OnKillFocus}{wxwindowonkillfocus},\rtfsp
1640 %% \helpref{Event handling overview}{eventhandlingoverview}
1641 %%
1642 %% \membersection{wxWindow::OnSize}\label{wxwindowonsize}
1643 %%
1644 %% \func{void}{OnSize}{\param{wxSizeEvent\& }{event}}
1645 %%
1646 %% Called when the window has been resized. This is not a virtual function; you should
1647 %% provide your own non-virtual OnSize function and direct size events to it using EVT\_SIZE
1648 %% in an event table definition.
1649 %%
1650 %% \wxheading{Parameters}
1651 %%
1652 %% \docparam{event}{Size event. For more information, see \helpref{wxSizeEvent}{wxsizeevent}.}
1653 %%
1654 %% \wxheading{Remarks}
1655 %%
1656 %% You may wish to use this for frames to resize their child windows as appropriate.
1657 %%
1658 %% Note that the size passed is of
1659 %% the whole window: call \helpref{wxWindow::GetClientSize}{wxwindowgetclientsize} for the area which may be
1660 %% used by the application.
1661 %%
1662 %% When a window is resized, usually only a small part of the window is damaged and you
1663 %% may only need to repaint that area. However, if your drawing depends on the size of the window,
1664 %% you may need to clear the DC explicitly and repaint the whole window. In which case, you
1665 %% may need to call \helpref{wxWindow::Refresh}{wxwindowrefresh} to invalidate the entire window.
1666 %%
1667 %% \wxheading{See also}
1668 %%
1669 %% \helpref{wxSizeEvent}{wxsizeevent},\rtfsp
1670 %% \helpref{Event handling overview}{eventhandlingoverview}
1671 %%
1672 %% \membersection{wxWindow::OnSysColourChanged}\label{wxwindowonsyscolourchanged}
1673 %%
1674 %% \func{void}{OnSysColourChanged}{\param{wxOnSysColourChangedEvent\& }{event}}
1675 %%
1676 %% Called when the user has changed the system colours. Windows only.
1677 %%
1678 %% \wxheading{Parameters}
1679 %%
1680 %% \docparam{event}{System colour change event. For more information, see \helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent}.}
1681 %%
1682 %% \wxheading{See also}
1683 %%
1684 %% \helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent},\rtfsp
1685 %% \helpref{Event handling overview}{eventhandlingoverview}
1686
1687 \membersection{wxWindow::PageDown}\label{wxwindowpagedown}
1688
1689 This is just a wrapper for \helpref{ScrollPages()}{wxwindowscrollpages}$(1)$.
1690
1691 \membersection{wxWindow::PageUp}\label{wxwindowpageup}
1692
1693 This is just a wrapper for \helpref{ScrollPages()}{wxwindowscrollpages}$(-1)$.
1694
1695 \membersection{wxWindow::PopEventHandler}\label{wxwindowpopeventhandler}
1696
1697 \constfunc{wxEvtHandler*}{PopEventHandler}{\param{bool }{deleteHandler = {\tt false}}}
1698
1699 Removes and returns the top-most event handler on the event handler stack.
1700
1701 \wxheading{Parameters}
1702
1703 \docparam{deleteHandler}{If this is {\tt true}, the handler will be deleted after it is removed. The
1704 default value is {\tt false}.}
1705
1706 \wxheading{See also}
1707
1708 \helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
1709 \helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
1710 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
1711 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
1712 \helpref{wxEvtHandler}{wxevthandler}\rtfsp
1713
1714 \membersection{wxWindow::PopupMenu}\label{wxwindowpopupmenu}
1715
1716 \func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{const wxPoint\& }{pos}}
1717
1718 \func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{int }{x}, \param{int }{y}}
1719
1720 Pops up the given menu at the specified coordinates, relative to this
1721 window, and returns control when the user has dismissed the menu. If a
1722 menu item is selected, the corresponding menu event is generated and will be
1723 processed as usually.
1724
1725 \wxheading{Parameters}
1726
1727 \docparam{menu}{Menu to pop up.}
1728
1729 \docparam{pos}{The position where the menu will appear.}
1730
1731 \docparam{x}{Required x position for the menu to appear.}
1732
1733 \docparam{y}{Required y position for the menu to appear.}
1734
1735 \wxheading{See also}
1736
1737 \helpref{wxMenu}{wxmenu}
1738
1739 \wxheading{Remarks}
1740
1741 Just before the menu is popped up, \helpref{wxMenu::UpdateUI}{wxmenuupdateui} is called
1742 to ensure that the menu items are in the correct state. The menu does not get deleted
1743 by the window.
1744
1745 \pythonnote{In place of a single overloaded method name, wxPython
1746 implements the following methods:\par
1747 \indented{2cm}{\begin{twocollist}
1748 \twocolitem{{\bf PopupMenu(menu, point)}}{Specifies position with a wxPoint}
1749 \twocolitem{{\bf PopupMenuXY(menu, x, y)}}{Specifies position with two integers (x, y)}
1750 \end{twocollist}}
1751 }
1752
1753 \membersection{wxWindow::PushEventHandler}\label{wxwindowpusheventhandler}
1754
1755 \func{void}{PushEventHandler}{\param{wxEvtHandler* }{handler}}
1756
1757 Pushes this event handler onto the event stack for the window.
1758
1759 \wxheading{Parameters}
1760
1761 \docparam{handler}{Specifies the handler to be pushed.}
1762
1763 \wxheading{Remarks}
1764
1765 An event handler is an object that is capable of processing the events
1766 sent to a window. By default, the window is its own event handler, but
1767 an application may wish to substitute another, for example to allow
1768 central implementation of event-handling for a variety of different
1769 window classes.
1770
1771 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} allows
1772 an application to set up a chain of event handlers, where an event not handled by one event handler is
1773 handed to the next one in the chain. Use \helpref{wxWindow::PopEventHandler}{wxwindowpopeventhandler} to
1774 remove the event handler.
1775
1776 \wxheading{See also}
1777
1778 \helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
1779 \helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
1780 \helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
1781 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
1782 \helpref{wxEvtHandler}{wxevthandler}
1783
1784 \membersection{wxWindow::Raise}\label{wxwindowraise}
1785
1786 \func{void}{Raise}{\void}
1787
1788 Raises the window to the top of the window hierarchy if it is a managed window (dialog
1789 or frame).
1790
1791 \membersection{wxWindow::Refresh}\label{wxwindowrefresh}
1792
1793 \func{virtual void}{Refresh}{\param{bool}{ eraseBackground = {\tt true}}, \param{const wxRect* }{rect
1794 = NULL}}
1795
1796 Causes a message or event to be generated to repaint the
1797 window.
1798
1799 \wxheading{Parameters}
1800
1801 \docparam{eraseBackground}{If {\tt true}, the background will be
1802 erased.}
1803
1804 \docparam{rect}{If non-NULL, only the given rectangle will
1805 be treated as damaged.}
1806
1807 \wxheading{See also}
1808
1809 \helpref{wxWindow::RefreshRect}{wxwindowrefreshrect}
1810
1811 \membersection{wxWindow::RefreshRect}\label{wxwindowrefreshrect}
1812
1813 \func{virtual void}{Refresh}{\param{const wxRect\& }{rect}}
1814
1815 Redraws the contents of the given rectangle: the area inside it will be
1816 repainted.
1817
1818 This is the same as \helpref{Refresh}{wxwindowrefresh} but has a nicer syntax.
1819
1820 \membersection{wxWindow::ReleaseMouse}\label{wxwindowreleasemouse}
1821
1822 \func{virtual void}{ReleaseMouse}{\void}
1823
1824 Releases mouse input captured with \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse}.
1825
1826 \wxheading{See also}
1827
1828 \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse},
1829 \helpref{wxWindow::HasCapture}{wxwindowhascapture},
1830 \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse},
1831 \helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent}
1832
1833 \membersection{wxWindow::RemoveChild}\label{wxwindowremovechild}
1834
1835 \func{virtual void}{RemoveChild}{\param{wxWindow* }{child}}
1836
1837 Removes a child window. This is called automatically by window deletion
1838 functions so should not be required by the application programmer.
1839
1840 \wxheading{Parameters}
1841
1842 \docparam{child}{Child window to remove.}
1843
1844 \membersection{wxWindow::RemoveEventHandler}\label{wxwindowremoveeventhandler}
1845
1846 \func{bool}{RemoveEventHandler}{\param{wxEvtHandler *}{handler}}
1847
1848 Find the given {\it handler} in the windows event handler chain and remove (but
1849 not delete) it from it.
1850
1851 \wxheading{Parameters}
1852
1853 \docparam{handler}{The event handler to remove, must be non {\tt NULL} and
1854 must be present in this windows event handlers chain}
1855
1856 \wxheading{Return value}
1857
1858 Returns {\tt true} if it was found and {\tt false} otherwise (this also results
1859 in an assert failure so this function should only be called when the
1860 handler is supposed to be there).
1861
1862 \wxheading{See also}
1863
1864 \helpref{PushEventHandler}{wxwindowpusheventhandler},\rtfsp
1865 \helpref{PopEventHandler}{wxwindowpopeventhandler}
1866
1867 \membersection{wxWindow::Reparent}\label{wxwindowreparent}
1868
1869 \func{virtual bool}{Reparent}{\param{wxWindow* }{newParent}}
1870
1871 Reparents the window, i.e the window will be removed from its
1872 current parent window (e.g. a non-standard toolbar in a wxFrame)
1873 and then re-inserted into another. Available on Windows and GTK.
1874
1875 \wxheading{Parameters}
1876
1877 \docparam{newParent}{New parent.}
1878
1879 \membersection{wxWindow::ScreenToClient}\label{wxwindowscreentoclient}
1880
1881 \constfunc{virtual void}{ScreenToClient}{\param{int* }{x}, \param{int* }{y}}
1882
1883 \constfunc{virtual wxPoint}{ScreenToClient}{\param{const wxPoint\& }{pt}}
1884
1885 Converts from screen to client window coordinates.
1886
1887 \wxheading{Parameters}
1888
1889 \docparam{x}{Stores the screen x coordinate and receives the client x coordinate.}
1890
1891 \docparam{y}{Stores the screen x coordinate and receives the client x coordinate.}
1892
1893 \docparam{pt}{The screen position for the second form of the function.}
1894
1895 \pythonnote{In place of a single overloaded method name, wxPython
1896 implements the following methods:\par
1897 \indented{2cm}{\begin{twocollist}
1898 \twocolitem{{\bf ScreenToClient(point)}}{Accepts and returns a wxPoint}
1899 \twocolitem{{\bf ScreenToClientXY(x, y)}}{Returns a 2-tuple, (x, y)}
1900 \end{twocollist}}
1901 }
1902
1903 \membersection{wxWindow::ScrollLines}\label{wxwindowscrolllines}
1904
1905 \func{virtual bool}{ScrollLines}{\param{int }{lines}}
1906
1907 Scrolls the window by the given number of lines down (if {\it lines} is
1908 positive) or up.
1909
1910 \wxheading{Return value}
1911
1912 Returns {\tt true} if the window was scrolled, {\tt false} if it was already
1913 on top/bottom and nothing was done.
1914
1915 \wxheading{Remarks}
1916
1917 This function is currently only implemented under MSW and wxTextCtrl under
1918 wxGTK (it also works for wxScrolledWindow derived classes under all
1919 platforms).
1920
1921 \wxheading{See also}
1922
1923 \helpref{ScrollPages}{wxwindowscrollpages}
1924
1925 \membersection{wxWindow::ScrollPages}\label{wxwindowscrollpages}
1926
1927 \func{virtual bool}{ScrollPages}{\param{int }{pages}}
1928
1929 Scrolls the window by the given number of pages down (if {\it pages} is
1930 positive) or up.
1931
1932 \wxheading{Return value}
1933
1934 Returns {\tt true} if the window was scrolled, {\tt false} if it was already
1935 on top/bottom and nothing was done.
1936
1937 \wxheading{Remarks}
1938
1939 This function is currently only implemented under MSW and wxTextCtrl under
1940 wxGTK (it also works for wxScrolledWindow derived classes under all
1941 platforms).
1942
1943 \wxheading{See also}
1944
1945 \helpref{ScrollLines}{wxwindowscrolllines}
1946
1947 \membersection{wxWindow::ScrollWindow}\label{wxwindowscrollwindow}
1948
1949 \func{virtual void}{ScrollWindow}{\param{int }{dx}, \param{int }{dy}, \param{const wxRect*}{ rect = NULL}}
1950
1951 Physically scrolls the pixels in the window and move child windows accordingly.
1952
1953 \wxheading{Parameters}
1954
1955 \docparam{dx}{Amount to scroll horizontally.}
1956
1957 \docparam{dy}{Amount to scroll vertically.}
1958
1959 \docparam{rect}{Rectangle to invalidate. If this is NULL, the whole window is invalidated. If you
1960 pass a rectangle corresponding to the area of the window exposed by the scroll, your painting handler
1961 can optimize painting by checking for the invalidated region. This parameter is ignored under GTK.}
1962
1963 \wxheading{Remarks}
1964
1965 Use this function to optimise your scrolling implementations, to minimise the area that must be
1966 redrawn. Note that it is rarely required to call this function from a user program.
1967
1968 \membersection{wxWindow::SetAcceleratorTable}\label{wxwindowsetacceleratortable}
1969
1970 \func{virtual void}{SetAcceleratorTable}{\param{const wxAcceleratorTable\&}{ accel}}
1971
1972 Sets the accelerator table for this window. See \helpref{wxAcceleratorTable}{wxacceleratortable}.
1973
1974 \membersection{wxWindow::SetAccessible}\label{wxwindowsetaccessible}
1975
1976 \func{void}{SetAccessible}{\param{wxAccessibile*}{ accessible}}
1977
1978 Sets the accessible for this window. Any existing accessible for this window
1979 will be deleted first, if not identical to {\it accessible}.
1980
1981 See also \helpref{wxAccessible}{wxaccessible}.
1982
1983 \membersection{wxWindow::SetAutoLayout}\label{wxwindowsetautolayout}
1984
1985 \func{void}{SetAutoLayout}{\param{bool}{ autoLayout}}
1986
1987 Determines whether the \helpref{wxWindow::Layout}{wxwindowlayout} function will
1988 be called automatically when the window is resized. It is called implicitly by
1989 \helpref{wxWindow::SetSizer}{wxwindowsetsizer} but if you use
1990 \helpref{wxWindow::SetConstraints}{wxwindowsetconstraints} you should call it
1991 manually or otherwise the window layout won't be correctly updated when its
1992 size changes.
1993
1994 \wxheading{Parameters}
1995
1996 \docparam{autoLayout}{Set this to {\tt true} if you wish the Layout function to be called
1997 from within wxWindow::OnSize functions.}
1998
1999 \wxheading{See also}
2000
2001 \helpref{wxWindow::SetConstraints}{wxwindowsetconstraints}
2002
2003 \membersection{wxWindow::SetBackgroundColour}\label{wxwindowsetbackgroundcolour}
2004
2005 \func{virtual void}{SetBackgroundColour}{\param{const wxColour\& }{colour}}
2006
2007 Sets the background colour of the window.
2008
2009 \wxheading{Parameters}
2010
2011 \docparam{colour}{The colour to be used as the background colour.}
2012
2013 \wxheading{Remarks}
2014
2015 The background colour is usually painted by the default\rtfsp
2016 \helpref{wxEraseEvent}{wxeraseevent} event handler function
2017 under Windows and automatically under GTK.
2018
2019 Note that setting the background colour does not cause an immediate refresh, so you
2020 may wish to call \helpref{wxWindow::Clear}{wxwindowclear} or \helpref{wxWindow::Refresh}{wxwindowrefresh} after
2021 calling this function.
2022
2023 Use this function with care under GTK as the new appearance of the window might
2024 not look equally well when used with "Themes", i.e GTK's ability to change its
2025 look as the user wishes with run-time loadable modules.
2026
2027 \wxheading{See also}
2028
2029 \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour},\rtfsp
2030 \helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
2031 \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
2032 \helpref{wxWindow::Clear}{wxwindowclear},\rtfsp
2033 \helpref{wxWindow::Refresh}{wxwindowrefresh},\rtfsp
2034 \helpref{wxEraseEvent}{wxeraseevent}
2035
2036 \membersection{wxWindow::SetCaret}\label{wxwindowsetcaret}
2037
2038 \constfunc{void}{SetCaret}{\param{wxCaret *}{caret}}
2039
2040 Sets the \helpref{caret}{wxcaret} associated with the window.
2041
2042 \membersection{wxWindow::SetClientSize}\label{wxwindowsetclientsize}
2043
2044 \func{virtual void}{SetClientSize}{\param{int}{ width}, \param{int}{ height}}
2045
2046 \func{virtual void}{SetClientSize}{\param{const wxSize\&}{ size}}
2047
2048 This sets the size of the window client area in pixels. Using this function to size a window
2049 tends to be more device-independent than \helpref{wxWindow::SetSize}{wxwindowsetsize}, since the application need not
2050 worry about what dimensions the border or title bar have when trying to fit the window
2051 around panel items, for example.
2052
2053 \wxheading{Parameters}
2054
2055 \docparam{width}{The required client area width.}
2056
2057 \docparam{height}{The required client area height.}
2058
2059 \docparam{size}{The required client size.}
2060
2061 \pythonnote{In place of a single overloaded method name, wxPython
2062 implements the following methods:\par
2063 \indented{2cm}{\begin{twocollist}
2064 \twocolitem{{\bf SetClientSize(size)}}{Accepts a wxSize}
2065 \twocolitem{{\bf SetClientSizeWH(width, height)}}{}
2066 \end{twocollist}}
2067 }
2068
2069 \membersection{wxWindow::SetContainingSizer}\label{wxwindowsetcontainingsizer}
2070
2071 \func{void}{SetContainingSizer}{\param{wxSizer* }{sizer}}
2072
2073 This normally does not need to be called by user code. It is called
2074 when a window is added to a sizer, and is used so the window can
2075 remove itself from the sizer when it is destroyed.
2076
2077 \membersection{wxWindow::SetCursor}\label{wxwindowsetcursor}
2078
2079 \func{virtual void}{SetCursor}{\param{const wxCursor\&}{cursor}}
2080
2081 % VZ: the docs are correct, if the code doesn't behave like this, it must be
2082 % changed
2083 Sets the window's cursor. Notice that the window cursor also sets it for the
2084 children of the window implicitly.
2085
2086 The {\it cursor} may be {\tt wxNullCursor} in which case the window cursor will
2087 be reset back to default.
2088
2089 \wxheading{Parameters}
2090
2091 \docparam{cursor}{Specifies the cursor that the window should normally display.}
2092
2093 \wxheading{See also}
2094
2095 \helpref{::wxSetCursor}{wxsetcursor}, \helpref{wxCursor}{wxcursor}
2096
2097 \membersection{wxWindow::SetConstraints}\label{wxwindowsetconstraints}
2098
2099 \func{void}{SetConstraints}{\param{wxLayoutConstraints* }{constraints}}
2100
2101 Sets the window to have the given layout constraints. The window
2102 will then own the object, and will take care of its deletion.
2103 If an existing layout constraints object is already owned by the
2104 window, it will be deleted.
2105
2106 \wxheading{Parameters}
2107
2108 \docparam{constraints}{The constraints to set. Pass NULL to disassociate and delete the window's
2109 constraints.}
2110
2111 \wxheading{Remarks}
2112
2113 You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use
2114 the constraints automatically in OnSize; otherwise, you must override OnSize and call Layout()
2115 explicitly. When setting both a wxLayoutConstraints and a \helpref{wxSizer}{wxsizer}, only the
2116 sizer will have effect.
2117
2118 \membersection{wxWindow::SetDropTarget}\label{wxwindowsetdroptarget}
2119
2120 \func{void}{SetDropTarget}{\param{wxDropTarget*}{ target}}
2121
2122 Associates a drop target with this window.
2123
2124 If the window already has a drop target, it is deleted.
2125
2126 \wxheading{See also}
2127
2128 \helpref{wxWindow::GetDropTarget}{wxwindowgetdroptarget},
2129 \helpref{Drag and drop overview}{wxdndoverview}
2130
2131 \membersection{wxWindow::SetEventHandler}\label{wxwindowseteventhandler}
2132
2133 \func{void}{SetEventHandler}{\param{wxEvtHandler* }{handler}}
2134
2135 Sets the event handler for this window.
2136
2137 \wxheading{Parameters}
2138
2139 \docparam{handler}{Specifies the handler to be set.}
2140
2141 \wxheading{Remarks}
2142
2143 An event handler is an object that is capable of processing the events
2144 sent to a window. By default, the window is its own event handler, but
2145 an application may wish to substitute another, for example to allow
2146 central implementation of event-handling for a variety of different
2147 window classes.
2148
2149 It is usually better to use \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} since
2150 this sets up a chain of event handlers, where an event not handled by one event handler is
2151 handed to the next one in the chain.
2152
2153 \wxheading{See also}
2154
2155 \helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
2156 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
2157 \helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
2158 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
2159 \helpref{wxEvtHandler}{wxevthandler}
2160
2161 \membersection{wxWindow::SetExtraStyle}\label{wxwindowsetextrastyle}
2162
2163 \func{void}{SetExtraStyle}{\param{long }{exStyle}}
2164
2165 Sets the extra style bits for the window. The currently defined extra style
2166 bits are:
2167
2168 \twocolwidtha{5cm}%
2169 \begin{twocollist}\itemsep=0pt
2170 \twocolitem{\windowstyle{wxWS\_EX\_VALIDATE\_RECURSIVELY}}{TransferDataTo/FromWindow()
2171 and Validate() methods will recursively descend into all children of the
2172 window if it has this style flag set.}
2173 \twocolitem{\windowstyle{wxWS\_EX\_BLOCK\_EVENTS}}{Normally, the command
2174 events are propagated upwards to the window parent recursively until a handler
2175 for them is found. Using this style allows to prevent them from being
2176 propagated beyond this window. Notice that wxDialog has this style on by
2177 default for the reasons explained in the
2178 \helpref{event processing overview}{eventprocessing}.}
2179 \twocolitem{\windowstyle{wxWS\_EX\_TRANSIENT}}{This can be used to prevent a
2180 window from being used as an implicit parent for the dialogs which were
2181 created without a parent. It is useful for the windows which can disappear at
2182 any moment as creating children of such windows results in fatal problems.}
2183 \twocolitem{\windowstyle{wxFRAME\_EX\_CONTEXTHELP}}{Under Windows, puts a query button on the
2184 caption. When pressed, Windows will go into a context-sensitive help mode and wxWindows will send
2185 a wxEVT\_HELP event if the user clicked on an application window.
2186 This style cannot be used together with wxMAXIMIZE\_BOX or wxMINIMIZE\_BOX, so
2187 you should use the style of
2188 {\tt wxDEFAULT\_FRAME\_STYLE \& \textasciitilde(wxMINIMIZE\_BOX | wxMAXIMIZE\_BOX)} for the
2189 frames having this style (the dialogs don't have minimize nor maximize box by
2190 default)}
2191 \end{twocollist}
2192
2193 \membersection{wxWindow::SetFocus}\label{wxwindowsetfocus}
2194
2195 \func{virtual void}{SetFocus}{\void}
2196
2197 This sets the window to receive keyboard input.
2198
2199 \wxheading{See also}
2200
2201 \helpref{wxFocusEvent}{wxfocusevent}
2202
2203 \membersection{wxWindow::SetFocusFromKbd}\label{wxwindowsetfocusfromkbd}
2204
2205 \func{virtual void}{SetFocusFromKbd}{\void}
2206
2207 This function is called by wxWindows keyboard navigation code when the user
2208 gives the focus to this window from keyboard (e.g. using {\tt TAB} key).
2209 By default this method simply calls \helpref{SetFocus}{wxwindowsetfocus} but
2210 can be overridden to do something in addition to this in the derived classes.
2211
2212 \membersection{wxWindow::SetFont}\label{wxwindowsetfont}
2213
2214 \func{void}{SetFont}{\param{const wxFont\& }{font}}
2215
2216 Sets the font for this window.
2217
2218 \wxheading{Parameters}
2219
2220 \docparam{font}{Font to associate with this window.}
2221
2222 \wxheading{See also}
2223
2224 \helpref{wxWindow::GetFont}{wxwindowgetfont}
2225
2226 \membersection{wxWindow::SetForegroundColour}\label{wxwindowsetforegroundcolour}
2227
2228 \func{virtual void}{SetForegroundColour}{\param{const wxColour\& }{colour}}
2229
2230 Sets the foreground colour of the window.
2231
2232 \wxheading{Parameters}
2233
2234 \docparam{colour}{The colour to be used as the foreground colour.}
2235
2236 \wxheading{Remarks}
2237
2238 The interpretation of foreground colour is open to interpretation according
2239 to the window class; it may be the text colour or other colour, or it may not
2240 be used at all.
2241
2242 Note that when using this functions under GTK, you will disable the so called "themes",
2243 i.e. the user chosen appearance of windows and controls, including the themes of
2244 their parent windows.
2245
2246 \wxheading{See also}
2247
2248 \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
2249 \helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
2250 \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour}
2251
2252 \membersection{wxWindow::SetHelpText}\label{wxwindowsethelptext}
2253
2254 \func{virtual void}{SetHelpText}{\param{const wxString\& }{helpText}}
2255
2256 Sets the help text to be used as context-sensitive help for this window.
2257
2258 Note that the text is actually stored by the current \helpref{wxHelpProvider}{wxhelpprovider} implementation,
2259 and not in the window object itself.
2260
2261 \wxheading{See also}
2262
2263 \helpref{GetHelpText}{wxwindowgethelptext}, \helpref{wxHelpProvider}{wxhelpprovider}
2264
2265 \membersection{wxWindow::SetId}\label{wxwindowsetid}
2266
2267 \func{void}{SetId}{\param{int}{ id}}
2268
2269 Sets the identifier of the window.
2270
2271 \wxheading{Remarks}
2272
2273 Each window has an integer identifier. If the application has not provided one,
2274 an identifier will be generated. Normally, the identifier should be provided
2275 on creation and should not be modified subsequently.
2276
2277 \wxheading{See also}
2278
2279 \helpref{wxWindow::GetId}{wxwindowgetid},\rtfsp
2280 \helpref{Window identifiers}{windowids}
2281
2282 \membersection{wxWindow::SetName}\label{wxwindowsetname}
2283
2284 \func{virtual void}{SetName}{\param{const wxString\& }{name}}
2285
2286 Sets the window's name.
2287
2288 \wxheading{Parameters}
2289
2290 \docparam{name}{A name to set for the window.}
2291
2292 \wxheading{See also}
2293
2294 \helpref{wxWindow::GetName}{wxwindowgetname}
2295
2296 \membersection{wxWindow::SetPalette}\label{wxwindowsetpalette}
2297
2298 \func{virtual void}{SetPalette}{\param{wxPalette* }{palette}}
2299
2300 Obsolete - use \helpref{wxDC::SetPalette}{wxdcsetpalette} instead.
2301
2302 \membersection{wxWindow::SetScrollbar}\label{wxwindowsetscrollbar}
2303
2304 \func{virtual void}{SetScrollbar}{\param{int }{orientation}, \param{int }{position},\rtfsp
2305 \param{int }{thumbSize}, \param{int }{range},\rtfsp
2306 \param{bool }{refresh = {\tt true}}}
2307
2308 Sets the scrollbar properties of a built-in scrollbar.
2309
2310 \wxheading{Parameters}
2311
2312 \docparam{orientation}{Determines the scrollbar whose page size is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2313
2314 \docparam{position}{The position of the scrollbar in scroll units.}
2315
2316 \docparam{thumbSize}{The size of the thumb, or visible portion of the scrollbar, in scroll units.}
2317
2318 \docparam{range}{The maximum position of the scrollbar.}
2319
2320 \docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
2321
2322 \wxheading{Remarks}
2323
2324 Let's say you wish to display 50 lines of text, using the same font.
2325 The window is sized so that you can only see 16 lines at a time.
2326
2327 You would use:
2328
2329 {\small%
2330 \begin{verbatim}
2331 SetScrollbar(wxVERTICAL, 0, 16, 50);
2332 \end{verbatim}
2333 }
2334
2335 Note that with the window at this size, the thumb position can never go
2336 above 50 minus 16, or 34.
2337
2338 You can determine how many lines are currently visible by dividing the current view
2339 size by the character height in pixels.
2340
2341 When defining your own scrollbar behaviour, you will always need to recalculate
2342 the scrollbar settings when the window size changes. You could therefore put your
2343 scrollbar calculations and SetScrollbar
2344 call into a function named AdjustScrollbars, which can be called initially and also
2345 from your \helpref{wxSizeEvent}{wxsizeevent} handler function.
2346
2347 \wxheading{See also}
2348
2349 \helpref{Scrolling overview}{scrollingoverview},\rtfsp
2350 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2351
2352 \begin{comment}
2353 \membersection{wxWindow::SetScrollPage}\label{wxwindowsetscrollpage}
2354
2355 \func{virtual void}{SetScrollPage}{\param{int }{orientation}, \param{int }{pageSize}, \param{bool }{refresh = {\tt true}}}
2356
2357 Sets the page size of one of the built-in scrollbars.
2358
2359 \wxheading{Parameters}
2360
2361 \docparam{orientation}{Determines the scrollbar whose page size is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2362
2363 \docparam{pageSize}{Page size in scroll units.}
2364
2365 \docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
2366
2367 \wxheading{Remarks}
2368
2369 The page size of a scrollbar is the number of scroll units that the scroll thumb travels when you
2370 click on the area above/left of or below/right of the thumb. Normally you will want a whole visible
2371 page to be scrolled, i.e. the size of the current view (perhaps the window client size). This
2372 value has to be adjusted when the window is resized, since the page size will have changed.
2373
2374 In addition to specifying how far the scroll thumb travels when paging, in Motif and some versions of Windows
2375 the thumb changes size to reflect the page size relative to the length of the document. When the
2376 document size is only slightly bigger than the current view (window) size, almost all of the scrollbar
2377 will be taken up by the thumb. When the two values become the same, the scrollbar will (on some systems)
2378 disappear.
2379
2380 Currently, this function should be called before SetPageRange, because of a quirk in the Windows
2381 handling of pages and ranges.
2382
2383 \wxheading{See also}
2384
2385 \helpref{wxWindow::SetScrollPos}{wxwindowsetscrollpos},\rtfsp
2386 \helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
2387 \helpref{wxWindow::GetScrollPage}{wxwindowsetscrollpage},\rtfsp
2388 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2389 \end{comment}
2390
2391 \membersection{wxWindow::SetScrollPos}\label{wxwindowsetscrollpos}
2392
2393 \func{virtual void}{SetScrollPos}{\param{int }{orientation}, \param{int }{pos}, \param{bool }{refresh = {\tt true}}}
2394
2395 Sets the position of one of the built-in scrollbars.
2396
2397 \wxheading{Parameters}
2398
2399 \docparam{orientation}{Determines the scrollbar whose position is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2400
2401 \docparam{pos}{Position in scroll units.}
2402
2403 \docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
2404
2405 \wxheading{Remarks}
2406
2407 This function does not directly affect the contents of the window: it is up to the
2408 application to take note of scrollbar attributes and redraw contents accordingly.
2409
2410 \wxheading{See also}
2411
2412 \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar},\rtfsp
2413 \helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
2414 \helpref{wxWindow::GetScrollThumb}{wxwindowgetscrollthumb},\rtfsp
2415 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2416
2417 \begin{comment}
2418 \membersection{wxWindow::SetScrollRange}\label{wxwindowsetscrollrange}
2419
2420 \func{virtual void}{SetScrollRange}{\param{int }{orientation}, \param{int }{range}, \param{bool }{refresh = {\tt true}}}
2421
2422 Sets the range of one of the built-in scrollbars.
2423
2424 \wxheading{Parameters}
2425
2426 \docparam{orientation}{Determines the scrollbar whose range is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2427
2428 \docparam{range}{Scroll range.}
2429
2430 \docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
2431
2432 \wxheading{Remarks}
2433
2434 The range of a scrollbar is the number of steps that the thumb may travel, rather than the total
2435 object length of the scrollbar. If you are implementing a scrolling window, for example, you
2436 would adjust the scroll range when the window is resized, by subtracting the window view size from the
2437 total virtual window size. When the two sizes are the same (all the window is visible), the range goes to zero
2438 and usually the scrollbar will be automatically hidden.
2439
2440 \wxheading{See also}
2441
2442 \helpref{wxWindow::SetScrollPos}{wxwindowsetscrollpos},\rtfsp
2443 \helpref{wxWindow::SetScrollPage}{wxwindowsetscrollpage},\rtfsp
2444 \helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
2445 \helpref{wxWindow::GetScrollPage}{wxwindowsetscrollpage},\rtfsp
2446 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2447 \end{comment}
2448
2449 \membersection{wxWindow::SetSize}\label{wxwindowsetsize}
2450
2451 \func{virtual void}{SetSize}{\param{int}{ x}, \param{int}{ y}, \param{int}{ width}, \param{int}{ height},
2452 \param{int}{ sizeFlags = wxSIZE\_AUTO}}
2453
2454 \func{virtual void}{SetSize}{\param{const wxRect\&}{ rect}}
2455
2456 Sets the size and position of the window in pixels.
2457
2458 \func{virtual void}{SetSize}{\param{int}{ width}, \param{int}{ height}}
2459
2460 \func{virtual void}{SetSize}{\param{const wxSize\&}{ size}}
2461
2462 Sets the size of the window in pixels.
2463
2464 \wxheading{Parameters}
2465
2466 \docparam{x}{Required x position in pixels, or -1 to indicate that the existing
2467 value should be used.}
2468
2469 \docparam{y}{Required y position in pixels, or -1 to indicate that the existing
2470 value should be used.}
2471
2472 \docparam{width}{Required width in pixels, or -1 to indicate that the existing
2473 value should be used.}
2474
2475 \docparam{height}{Required height position in pixels, or -1 to indicate that the existing
2476 value should be used.}
2477
2478 \docparam{size}{\helpref{wxSize}{wxsize} object for setting the size.}
2479
2480 \docparam{rect}{\helpref{wxRect}{wxrect} object for setting the position and size.}
2481
2482 \docparam{sizeFlags}{Indicates the interpretation of other parameters. It is a bit list of the following:
2483
2484 {\bf wxSIZE\_AUTO\_WIDTH}: a -1 width value is taken to indicate
2485 a wxWindows-supplied default width.\\
2486 {\bf wxSIZE\_AUTO\_HEIGHT}: a -1 height value is taken to indicate
2487 a wxWindows-supplied default width.\\
2488 {\bf wxSIZE\_AUTO}: -1 size values are taken to indicate
2489 a wxWindows-supplied default size.\\
2490 {\bf wxSIZE\_USE\_EXISTING}: existing dimensions should be used
2491 if -1 values are supplied.\\
2492 {\bf wxSIZE\_ALLOW\_MINUS\_ONE}: allow dimensions of -1 and less to be interpreted
2493 as real dimensions, not default values.
2494 }
2495
2496 \wxheading{Remarks}
2497
2498 The second form is a convenience for calling the first form with default
2499 x and y parameters, and must be used with non-default width and height values.
2500
2501 The first form sets the position and optionally size, of the window.
2502 Parameters may be -1 to indicate either that a default should be supplied
2503 by wxWindows, or that the current value of the dimension should be used.
2504
2505 \wxheading{See also}
2506
2507 \helpref{wxWindow::Move}{wxwindowmove}
2508
2509 \pythonnote{In place of a single overloaded method name, wxPython
2510 implements the following methods:\par
2511 \indented{2cm}{\begin{twocollist}
2512 \twocolitem{{\bf SetDimensions(x, y, width, height, sizeFlags=wxSIZE\_AUTO)}}{}
2513 \twocolitem{{\bf SetSize(size)}}{}
2514 \twocolitem{{\bf SetPosition(point)}}{}
2515 \end{twocollist}}
2516 }
2517
2518 \membersection{wxWindow::SetSizeHints}\label{wxwindowsetsizehints}
2519
2520 \func{virtual void}{SetSizeHints}{\param{int}{ minW=-1}, \param{int}{ minH=-1}, \param{int}{ maxW=-1}, \param{int}{ maxH=-1},
2521 \param{int}{ incW=-1}, \param{int}{ incH=-1}}
2522
2523 Allows specification of minimum and maximum window sizes, and window size increments.
2524 If a pair of values is not set (or set to -1), the default values will be used.
2525
2526 \wxheading{Parameters}
2527
2528 \docparam{minW}{Specifies the minimum width allowable.}
2529
2530 \docparam{minH}{Specifies the minimum height allowable.}
2531
2532 \docparam{maxW}{Specifies the maximum width allowable.}
2533
2534 \docparam{maxH}{Specifies the maximum height allowable.}
2535
2536 \docparam{incW}{Specifies the increment for sizing the width (Motif/Xt only).}
2537
2538 \docparam{incH}{Specifies the increment for sizing the height (Motif/Xt only).}
2539
2540 \wxheading{Remarks}
2541
2542 If this function is called, the user will not be able to size the window outside the
2543 given bounds.
2544
2545 The resizing increments are only significant under Motif or Xt.
2546
2547 \membersection{wxWindow::SetSizer}\label{wxwindowsetsizer}
2548
2549 \func{void}{SetSizer}{\param{wxSizer* }{sizer}, \param{bool }{deleteOld=true}}
2550
2551 Sets the window to have the given layout sizer. The window
2552 will then own the object, and will take care of its deletion.
2553 If an existing layout constraints object is already owned by the
2554 window, it will be deleted if the deleteOld parameter is true.
2555
2556 Note that this function will also call
2557 \helpref{SetAutoLayout}{wxwindowsetautolayout} implicitly with {\tt true}
2558 parameter if the {\it sizer}\/ is non-NULL and {\tt false} otherwise.
2559
2560 \wxheading{Parameters}
2561
2562 \docparam{sizer}{The sizer to set. Pass NULL to disassociate and conditionally delete
2563 the window's sizer. See below.}
2564
2565 \docparam{deleteOld}{If true (the default), this will delete any prexisting sizer.
2566 Pass false if you wish to handle deleting the old sizer yourself.}
2567
2568 \wxheading{Remarks}
2569
2570 SetSizer now enables and disables Layout automatically, but prior to wxWindows 2.3.3
2571 the following applied:
2572
2573 You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use
2574 the sizer automatically in OnSize; otherwise, you must override OnSize and call Layout()
2575 explicitly. When setting both a wxSizer and a \helpref{wxLayoutConstraints}{wxlayoutconstraints},
2576 only the sizer will have effect.
2577
2578 \membersection{wxWindow::SetSizerAndFit}\label{wxwindowsetsizerandfit}
2579
2580 \func{void}{SetSizerAndFit}{\param{wxSizer* }{sizer}, \param{bool }{deleteOld=true}}
2581
2582 The same as \helpref{SetSizer}{wxwindowsetsizer}, except it also sets the size hints
2583 for the window based on the sizer's minimum size.
2584
2585 \membersection{wxWindow::SetTitle}\label{wxwindowsettitle}
2586
2587 \func{virtual void}{SetTitle}{\param{const wxString\& }{title}}
2588
2589 Sets the window's title. Applicable only to frames and dialogs.
2590
2591 \wxheading{Parameters}
2592
2593 \docparam{title}{The window's title.}
2594
2595 \wxheading{See also}
2596
2597 \helpref{wxWindow::GetTitle}{wxwindowgettitle}
2598
2599 \membersection{wxWindow::SetThemeEnabled}\label{wxwindowsetthemeenabled}
2600
2601 \func{virtual void}{SetThemeEnabled}{\param{bool }{enable}}
2602
2603 This function tells a window if it should use the system's "theme" code
2604 to draw the windows' background instead if its own background drawing
2605 code. This does not always have any effect since the underlying platform
2606 obviously needs to support the notion of themes in user defined windows.
2607 One such platform is GTK+ where windows can have (very colourful) backgrounds
2608 defined by a user's selected theme.
2609
2610 Dialogs, notebook pages and the status bar have this flag set to true
2611 by default so that the default look and feel is simulated best.
2612
2613 \membersection{wxWindow::SetToolTip}\label{wxwindowsettooltip}
2614
2615 \func{void}{SetToolTip}{\param{const wxString\& }{tip}}
2616
2617 \func{void}{SetToolTip}{\param{wxToolTip* }{tip}}
2618
2619 Attach a tooltip to the window.
2620
2621 See also: \helpref{GetToolTip}{wxwindowgettooltip},
2622 \helpref{wxToolTip}{wxtooltip}
2623
2624 \membersection{wxWindow::SetValidator}\label{wxwindowsetvalidator}
2625
2626 \func{virtual void}{SetValidator}{\param{const wxValidator\&}{ validator}}
2627
2628 Deletes the current validator (if any) and sets the window validator, having called wxValidator::Clone to
2629 create a new validator of this type.
2630
2631 \membersection{wxWindow::SetVirtualSize}\label{wxwindowsetvirtualsize}
2632
2633 \func{void}{SetVirtualSize}{\param{int}{ width}, \param{int}{ height}}
2634
2635 \func{void}{SetVirtualSize}{\param{const wxSize\&}{ size}}
2636
2637 Sets the virtual size of the window in pixels.
2638
2639 \membersection{wxWindow::SetVirtualSizeHints}\label{wxwindowsetvirtualsizehints}
2640
2641 \func{virtual void}{SetVirtualSizeHints}{\param{int}{ minW},\param{int}{ minH}, \param{int}{ maxW=-1}, \param{int}{ maxH=-1}}
2642
2643 Allows specification of minimum and maximum virtual window sizes.
2644 If a pair of values is not set (or set to -1), the default values
2645 will be used.
2646
2647 \wxheading{Parameters}
2648
2649 \docparam{minW}{Specifies the minimum width allowable.}
2650
2651 \docparam{minH}{Specifies the minimum height allowable.}
2652
2653 \docparam{maxW}{Specifies the maximum width allowable.}
2654
2655 \docparam{maxH}{Specifies the maximum height allowable.}
2656
2657 \wxheading{Remarks}
2658
2659 If this function is called, the user will not be able to size the virtual area
2660 of the window outside the given bounds.
2661
2662 \membersection{wxWindow::SetWindowStyle}\label{wxwindowsetwindowstyle}
2663
2664 \func{void}{SetWindowStyle}{\param{long}{ style}}
2665
2666 Identical to \helpref{SetWindowStyleFlag}{wxwindowsetwindowstyleflag}.
2667
2668 \membersection{wxWindow::SetWindowStyleFlag}\label{wxwindowsetwindowstyleflag}
2669
2670 \func{virtual void}{SetWindowStyleFlag}{\param{long}{ style}}
2671
2672 Sets the style of the window. Please note that some styles cannot be changed
2673 after the window creation and that \helpref{Refresh()}{wxwindowrefresh} might
2674 be called after changing the others for the change to take place immediately.
2675
2676 See \helpref{Window styles}{windowstyles} for more information about flags.
2677
2678 \wxheading{See also}
2679
2680 \helpref{GetWindowStyleFlag}{wxwindowgetwindowstyleflag}
2681
2682 \membersection{wxWindow::Show}\label{wxwindowshow}
2683
2684 \func{virtual bool}{Show}{\param{bool}{ show = {\tt true}}}
2685
2686 Shows or hides the window. You may need to call \helpref{Raise}{wxwindowraise}
2687 for a top level window if you want to bring it to top, although this is not
2688 needed if Show() is called immediately after the frame creation.
2689
2690 \wxheading{Parameters}
2691
2692 \docparam{show}{If {\tt true} displays the window. Otherwise, hides it.}
2693
2694 \wxheading{Return value}
2695
2696 {\tt true} if the window has been shown or hidden or {\tt false} if nothing was
2697 done because it already was in the requested state.
2698
2699 \wxheading{See also}
2700
2701 \helpref{wxWindow::IsShown}{wxwindowisshown}
2702
2703 \membersection{wxWindow::Thaw}\label{wxwindowthaw}
2704
2705 \func{virtual void}{Thaw}{\void}
2706
2707 Reenables window updating after a previous call to
2708 \helpref{Freeze}{wxwindowfreeze}.
2709
2710 \membersection{wxWindow::TransferDataFromWindow}\label{wxwindowtransferdatafromwindow}
2711
2712 \func{virtual bool}{TransferDataFromWindow}{\void}
2713
2714 Transfers values from child controls to data areas specified by their validators. Returns
2715 {\tt false} if a transfer failed.
2716
2717 If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2718 the method will also call TransferDataFromWindow() of all child windows.
2719
2720 \wxheading{See also}
2721
2722 \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow},\rtfsp
2723 \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::Validate}{wxwindowvalidate}
2724
2725 \membersection{wxWindow::TransferDataToWindow}\label{wxwindowtransferdatatowindow}
2726
2727 \func{virtual bool}{TransferDataToWindow}{\void}
2728
2729 Transfers values to child controls from data areas specified by their validators.
2730
2731 If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2732 the method will also call TransferDataToWindow() of all child windows.
2733
2734 \wxheading{Return value}
2735
2736 Returns {\tt false} if a transfer failed.
2737
2738 \wxheading{See also}
2739
2740 \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2741 \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::Validate}{wxwindowvalidate}
2742
2743 \membersection{wxWindow::Update}\label{wxwindowupdate}
2744
2745 \func{virtual void}{Update}{\void}
2746
2747 Calling this method immediately repaints the invalidated area of the window
2748 while this would usually only happen when the flow of control returns to the
2749 event loop. Notice that this function doesn't refresh the window and does
2750 nothing if the window hadn't been already repainted. Use
2751 \helpref{Refresh}{wxwindowrefresh} first if you want to immediately redraw the
2752 window unconditionally.
2753
2754 \membersection{wxWindow::Validate}\label{wxwindowvalidate}
2755
2756 \func{virtual bool}{Validate}{\void}
2757
2758 Validates the current values of the child controls using their validators.
2759
2760 If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2761 the method will also call Validate() of all child windows.
2762
2763 \wxheading{Return value}
2764
2765 Returns {\tt false} if any of the validations failed.
2766
2767 \wxheading{See also}
2768
2769 \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2770 \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2771 \helpref{wxValidator}{wxvalidator}
2772
2773 \membersection{wxWindow::WarpPointer}\label{wxwindowwarppointer}
2774
2775 \func{void}{WarpPointer}{\param{int}{ x}, \param{int}{ y}}
2776
2777 Moves the pointer to the given position on the window.
2778
2779 {\bf NB: } This function is not supported under Mac because Apple Human
2780 Interface Guidelines forbid moving the mouse cursor programmatically.
2781
2782 \wxheading{Parameters}
2783
2784 \docparam{x}{The new x position for the cursor.}
2785
2786 \docparam{y}{The new y position for the cursor.}
2787