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1 \section{\class{wxWindow}}\label{wxwindow}
2
3 wxWindow is the base class for all windows and represents any visible objecto n
4 screen. All controls, top level windows and so on are windows. Sizers and
5 device contexts are not, however, as they don't appear on screen themselves.
6
7 Please note that all children of the window will be deleted automatically by
8 the destructor before the window itself is deleted which means that you don't
9 have to worry about deleting them manually. Please see the \helpref{window
10 deletion overview}{windowdeletionoverview} for more information.
11
12 Also note that in this, and many others, wxWindows classes some
13 \texttt{GetXXX()} methods may be overloaded (as, for example,
14 \helpref{GetSize}{wxwindowgetsize} or
15 \helpref{GetClientSize}{wxwindowgetclientsize}). In this case, the overloads
16 are non-virtual because having multiple virtual functions with the same name
17 results in a virtual function name hiding at the derived class level (in
18 English, this means that the derived class has to override all overloaded
19 variants if it overrides any of them). To allow overriding them in the derived
20 class, wxWindows uses a unique protected virtual \texttt{DoGetXXX()} method
21 and all \texttt{GetXXX()} ones are forwarded to it, so overriding the former
22 changes the behaviour of the latter.
23
24 \wxheading{Derived from}
25
26 \helpref{wxEvtHandler}{wxevthandler}\\
27 \helpref{wxObject}{wxobject}
28
29 \wxheading{Include files}
30
31 <wx/window.h>
32
33 \wxheading{Window styles}
34
35 The following styles can apply to all windows, although they will not always make sense for a particular
36 window class or on all platforms.
37
38 \twocolwidtha{5cm}%
39 \begin{twocollist}\itemsep=0pt
40 \twocolitem{\windowstyle{wxSIMPLE\_BORDER}}{Displays a thin border around the window. wxBORDER is the old name
41 for this style. }
42 \twocolitem{\windowstyle{wxDOUBLE\_BORDER}}{Displays a double border. Windows and Mac only.}
43 \twocolitem{\windowstyle{wxSUNKEN\_BORDER}}{Displays a sunken border.}
44 \twocolitem{\windowstyle{wxRAISED\_BORDER}}{Displays a raised border.}
45 \twocolitem{\windowstyle{wxSTATIC\_BORDER}}{Displays a border suitable for a static control. Windows only. }
46 \twocolitem{\windowstyle{wxNO\_BORDER}}{Displays no border, overriding the default border style for the window.}
47 \twocolitem{\windowstyle{wxTRANSPARENT\_WINDOW}}{The window is transparent, that is, it will not receive paint
48 events. Windows only.}
49 \twocolitem{\windowstyle{wxTAB\_TRAVERSAL}}{Use this to enable tab traversal for non-dialog windows.}
50 \twocolitem{\windowstyle{wxWANTS\_CHARS}}{Use this to indicate that
51 the window wants to get all char/key events for all keys - even for
52 keys like TAB or ENTER which are usually used for dialog navigation
53 and which wouldn't be generated without this style. If you need to
54 use this style in order to get the arrows or etc., but would still like to have
55 normal keyboard navigation take place, you should create and send a
56 wxNavigationKeyEvent in response to the key events for Tab and
57 Shift-Tab.}
58 \twocolitem{\windowstyle{wxNO\_FULL\_REPAINT\_ON\_RESIZE}}{Disables repainting
59 the window completely when its size is changed - you will have to repaint the
60 new window area manually if you use this style. Currently only has an effect for
61 Windows.}
62 \twocolitem{\windowstyle{wxVSCROLL}}{Use this style to enable a vertical scrollbar.}
63 \twocolitem{\windowstyle{wxHSCROLL}}{Use this style to enable a horizontal scrollbar.}
64 \twocolitem{\windowstyle{wxALWAYS\_SHOW\_SB}}{If a window has scrollbars,
65 disable them instead of hiding them when they are not needed (i.e. when the
66 size of the window is big enough to not require the scrollbars to navigate it).
67 This style is currently only implemented for wxMSW and wxUniversal and does
68 nothing on the other platforms.}
69 \twocolitem{\windowstyle{wxCLIP\_CHILDREN}}{Use this style to eliminate flicker caused by the background being
70 repainted, then children being painted over them. Windows only.}
71 \twocolitem{\windowstyle{wxFULL\_REPAINT\_ON\_RESIZE}}{Use this style to force
72 a complete redraw of the window whenever it is resized instead of redrawing
73 just the part of the window affected by resizing. Note that this was the
74 behaviour by default before 2.5.1 release and that if you experience redraw
75 problems with the code which previously used to work you may want to try this.}
76 \end{twocollist}
77
78 See also \helpref{window styles overview}{windowstyles}.
79
80 \wxheading{Extra window styles}
81
82 The following are extra styles, set using \helpref{wxWindow::SetExtraStyle}{wxwindowsetextrastyle}.
83
84 \twocolwidtha{5cm}%
85 \begin{twocollist}\itemsep=0pt
86 \twocolitem{\windowstyle{wxWS\_EX\_VALIDATE\_RECURSIVELY}}{By default, Validate/TransferDataTo/FromWindow()
87 only work on direct children of the window (compatible behaviour). Set this flag to make them recursively
88 descend into all subwindows.}
89 \twocolitem{\windowstyle{wxWS\_EX\_BLOCK\_EVENTS}}{wxCommandEvents and the objects of the derived classes are forwarded to the
90 parent window and so on recursively by default. Using this flag for the
91 given window allows to block this propagation at this window, i.e. prevent
92 the events from being propagated further upwards. Dialogs have this
93 flag on by default.}
94 \twocolitem{\windowstyle{wxWS\_EX\_TRANSIENT}}{Don't use this window as an implicit parent for the other windows: this must
95 be used with transient windows as otherwise there is the risk of creating a
96 dialog/frame with this window as a parent which would lead to a crash if the
97 parent is destroyed before the child.}
98 \twocolitem{\windowstyle{wxWS\_EX\_PROCESS\_IDLE}}{This window should always process idle events, even
99 if the mode set by \helpref{wxIdleEvent::SetMode}{wxidleeventsetmode} is wxIDLE\_PROCESS\_SPECIFIED.}
100 \twocolitem{\windowstyle{wxWS\_EX\_PROCESS\_UI\_UPDATES}}{This window should always process UI update events,
101 even if the mode set by \helpref{wxUpdateUIEvent::SetMode}{wxupdateuieventsetmode} is wxUPDATE\_UI\_PROCESS\_SPECIFIED.}
102 \end{twocollist}
103
104 \wxheading{See also}
105
106 \helpref{Event handling overview}{eventhandlingoverview}
107
108 \latexignore{\rtfignore{\wxheading{Members}}}
109
110 \membersection{wxWindow::wxWindow}\label{wxwindowctor}
111
112 \func{}{wxWindow}{\void}
113
114 Default constructor.
115
116 \func{}{wxWindow}{\param{wxWindow*}{ parent}, \param{wxWindowID }{id},
117 \param{const wxPoint\& }{pos = wxDefaultPosition},
118 \param{const wxSize\& }{size = wxDefaultSize},
119 \param{long }{style = 0},
120 \param{const wxString\& }{name = wxPanelNameStr}}
121
122 Constructs a window, which can be a child of a frame, dialog or any other non-control window.
123
124 \wxheading{Parameters}
125
126 \docparam{parent}{Pointer to a parent window.}
127
128 \docparam{id}{Window identifier. If -1, will automatically create an identifier.}
129
130 \docparam{pos}{Window position. wxDefaultPosition is (-1, -1) which indicates that wxWindows
131 should generate a default position for the window. If using the wxWindow class directly, supply
132 an actual position.}
133
134 \docparam{size}{Window size. wxDefaultSize is (-1, -1) which indicates that wxWindows
135 should generate a default size for the window. If no suitable size can be found, the
136 window will be sized to 20x20 pixels so that the window is visible but obviously not
137 correctly sized. }
138
139 \docparam{style}{Window style. For generic window styles, please see \helpref{wxWindow}{wxwindow}.}
140
141 \docparam{name}{Window name.}
142
143 \membersection{wxWindow::\destruct{wxWindow}}
144
145 \func{}{\destruct{wxWindow}}{\void}
146
147 Destructor. Deletes all subwindows, then deletes itself. Instead of using
148 the {\bf delete} operator explicitly, you should normally
149 use \helpref{wxWindow::Destroy}{wxwindowdestroy} so that wxWindows
150 can delete a window only when it is safe to do so, in idle time.
151
152 \wxheading{See also}
153
154 \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
155 \helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp
156 \helpref{wxCloseEvent}{wxcloseevent}
157
158 \membersection{wxWindow::AddChild}
159
160 \func{virtual void}{AddChild}{\param{wxWindow* }{child}}
161
162 Adds a child window. This is called automatically by window creation
163 functions so should not be required by the application programmer.
164
165 Notice that this function is mostly internal to wxWindows and shouldn't be
166 called by the user code.
167
168 \wxheading{Parameters}
169
170 \docparam{child}{Child window to add.}
171
172 \membersection{wxWindow::CaptureMouse}\label{wxwindowcapturemouse}
173
174 \func{virtual void}{CaptureMouse}{\void}
175
176 Directs all mouse input to this window. Call \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse} to
177 release the capture.
178
179 Note that wxWindows maintains the stack of windows having captured the mouse
180 and when the mouse is released the capture returns to the window which had had
181 captured it previously and it is only really released if there were no previous
182 window. In particular, this means that you must release the mouse as many times
183 as you capture it.
184
185 \wxheading{See also}
186
187 \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse}
188
189 \membersection{wxWindow::Center}\label{wxwindowcenter}
190
191 \func{void}{Center}{\param{int}{ direction}}
192
193 A synonym for \helpref{Centre}{wxwindowcentre}.
194
195 \membersection{wxWindow::CenterOnParent}\label{wxwindowcenteronparent}
196
197 \func{void}{CenterOnParent}{\param{int}{ direction}}
198
199 A synonym for \helpref{CentreOnParent}{wxwindowcentreonparent}.
200
201 \membersection{wxWindow::CenterOnScreen}\label{wxwindowcenteronscreen}
202
203 \func{void}{CenterOnScreen}{\param{int}{ direction}}
204
205 A synonym for \helpref{CentreOnScreen}{wxwindowcentreonscreen}.
206
207 \membersection{wxWindow::Centre}\label{wxwindowcentre}
208
209 \func{void}{Centre}{\param{int}{ direction = wxBOTH}}
210
211 Centres the window.
212
213 \wxheading{Parameters}
214
215 \docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
216 or {\tt wxBOTH}. It may also include {\tt wxCENTRE\_ON\_SCREEN} flag
217 if you want to center the window on the entire screen and not on its
218 parent window.}
219
220 The flag {\tt wxCENTRE\_FRAME} is obsolete and should not be used any longer
221 (it has no effect).
222
223 \wxheading{Remarks}
224
225 If the window is a top level one (i.e. doesn't have a parent), it will be
226 centered relative to the screen anyhow.
227
228 \wxheading{See also}
229
230 \helpref{wxWindow::Center}{wxwindowcenter}
231
232 \membersection{wxWindow::CentreOnParent}\label{wxwindowcentreonparent}
233
234 \func{void}{CentreOnParent}{\param{int}{ direction = wxBOTH}}
235
236 Centres the window on its parent. This is a more readable synonym for
237 \helpref{Centre}{wxwindowcentre}.
238
239 \wxheading{Parameters}
240
241 \docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
242 or {\tt wxBOTH}.}
243
244 \wxheading{Remarks}
245
246 This methods provides for a way to center top level windows over their
247 parents instead of the entire screen. If there is no parent or if the
248 window is not a top level window, then behaviour is the same as
249 \helpref{wxWindow::Centre}{wxwindowcentre}.
250
251 \wxheading{See also}
252
253 \helpref{wxWindow::CentreOnScreen}{wxwindowcenteronscreen}
254
255 \membersection{wxWindow::CentreOnScreen}\label{wxwindowcentreonscreen}
256
257 \func{void}{CentreOnScreen}{\param{int}{ direction = wxBOTH}}
258
259 Centres the window on screen. This only works for top level windows -
260 otherwise, the window will still be centered on its parent.
261
262 \wxheading{Parameters}
263
264 \docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
265 or {\tt wxBOTH}.}
266
267 \wxheading{See also}
268
269 \helpref{wxWindow::CentreOnParent}{wxwindowcenteronparent}
270
271 \membersection{wxWindow::ClearBackground}\label{wxwindowclearbackground}
272
273 \func{void}{ClearBackground}{\void}
274
275 Clears the window by filling it with the current background colour. Does not
276 cause an erase background event to be generated.
277
278 \membersection{wxWindow::ClientToScreen}
279
280 \constfunc{virtual void}{ClientToScreen}{\param{int* }{x}, \param{int* }{y}}
281
282 \perlnote{In wxPerl this method returns a 2-element list instead of
283 modifying its parameters.}
284
285 \constfunc{virtual wxPoint}{ClientToScreen}{\param{const wxPoint\&}{ pt}}
286
287 Converts to screen coordinates from coordinates relative to this window.
288
289 \docparam{x}{A pointer to a integer value for the x coordinate. Pass the client coordinate in, and
290 a screen coordinate will be passed out.}
291
292 \docparam{y}{A pointer to a integer value for the y coordinate. Pass the client coordinate in, and
293 a screen coordinate will be passed out.}
294
295 \docparam{pt}{The client position for the second form of the function.}
296
297 \pythonnote{In place of a single overloaded method name, wxPython
298 implements the following methods:\par
299 \indented{2cm}{\begin{twocollist}
300 \twocolitem{{\bf ClientToScreen(point)}}{Accepts and returns a wxPoint}
301 \twocolitem{{\bf ClientToScreenXY(x, y)}}{Returns a 2-tuple, (x, y)}
302 \end{twocollist}}
303 }
304
305 \membersection{wxWindow::Close}\label{wxwindowclose}
306
307 \func{bool}{Close}{\param{bool}{ force = {\tt false}}}
308
309 This function simply generates a \helpref{wxCloseEvent}{wxcloseevent} whose
310 handler usually tries to close the window. It doesn't close the window itself,
311 however.
312
313 \wxheading{Parameters}
314
315 \docparam{force}{{\tt false} if the window's close handler should be able to veto the destruction
316 of this window, {\tt true} if it cannot.}
317
318 \wxheading{Remarks}
319
320 Close calls the \helpref{close handler}{wxcloseevent} for the window, providing
321 an opportunity for the window to choose whether to destroy the window.
322 Usually it is only used with the top level windows (wxFrame and wxDialog
323 classes) as the others are not supposed to have any special OnClose() logic.
324
325 The close handler should check whether the window is being deleted forcibly,
326 using \helpref{wxCloseEvent::GetForce}{wxcloseeventgetforce}, in which case it
327 should destroy the window using \helpref{wxWindow::Destroy}{wxwindowdestroy}.
328
329 {\it Note} that calling Close does not guarantee that the window will be
330 destroyed; but it provides a way to simulate a manual close of a window, which
331 may or may not be implemented by destroying the window. The default
332 implementation of wxDialog::OnCloseWindow does not necessarily delete the
333 dialog, since it will simply simulate an wxID\_CANCEL event which is handled by
334 the appropriate button event handler and may do anything at all.
335
336 To guarantee that the window will be destroyed, call
337 \helpref{wxWindow::Destroy}{wxwindowdestroy} instead
338
339 \wxheading{See also}
340
341 \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
342 \helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp
343 \helpref{wxCloseEvent}{wxcloseevent}
344
345 \membersection{wxWindow::ConvertDialogToPixels}\label{wxwindowconvertdialogtopixels}
346
347 \func{wxPoint}{ConvertDialogToPixels}{\param{const wxPoint\&}{ pt}}
348
349 \func{wxSize}{ConvertDialogToPixels}{\param{const wxSize\&}{ sz}}
350
351 Converts a point or size from dialog units to pixels.
352
353 For the x dimension, the dialog units are multiplied by the average character width
354 and then divided by 4.
355
356 For the y dimension, the dialog units are multiplied by the average character height
357 and then divided by 8.
358
359 \wxheading{Remarks}
360
361 Dialog units are used for maintaining a dialog's proportions even if the font changes.
362
363 You can also use these functions programmatically. A convenience macro is defined:
364
365 {\small
366 \begin{verbatim}
367 #define wxDLG_UNIT(parent, pt) parent->ConvertDialogToPixels(pt)
368 \end{verbatim}
369 }
370
371 \wxheading{See also}
372
373 \helpref{wxWindow::ConvertPixelsToDialog}{wxwindowconvertpixelstodialog}
374
375 \pythonnote{In place of a single overloaded method name, wxPython
376 implements the following methods:\par
377 \indented{2cm}{\begin{twocollist}
378 \twocolitem{{\bf ConvertDialogPointToPixels(point)}}{Accepts and returns a wxPoint}
379 \twocolitem{{\bf ConvertDialogSizeToPixels(size)}}{Accepts and returns a wxSize}
380 \end{twocollist}}
381
382 Additionally, the following helper functions are defined:\par
383 \indented{2cm}{\begin{twocollist}
384 \twocolitem{{\bf wxDLG\_PNT(win, point)}}{Converts a wxPoint from dialog
385 units to pixels}
386 \twocolitem{{\bf wxDLG\_SZE(win, size)}}{Converts a wxSize from dialog
387 units to pixels}
388 \end{twocollist}}
389 }
390
391
392 \membersection{wxWindow::ConvertPixelsToDialog}\label{wxwindowconvertpixelstodialog}
393
394 \func{wxPoint}{ConvertPixelsToDialog}{\param{const wxPoint\&}{ pt}}
395
396 \func{wxSize}{ConvertPixelsToDialog}{\param{const wxSize\&}{ sz}}
397
398 Converts a point or size from pixels to dialog units.
399
400 For the x dimension, the pixels are multiplied by 4 and then divided by the average
401 character width.
402
403 For the y dimension, the pixels are multiplied by 8 and then divided by the average
404 character height.
405
406 \wxheading{Remarks}
407
408 Dialog units are used for maintaining a dialog's proportions even if the font changes.
409
410 \wxheading{See also}
411
412 \helpref{wxWindow::ConvertDialogToPixels}{wxwindowconvertdialogtopixels}
413
414 \pythonnote{In place of a single overloaded method name, wxPythonimplements the following methods:\par
415 \indented{2cm}{\begin{twocollist}
416 \twocolitem{{\bf ConvertDialogPointToPixels(point)}}{Accepts and returns a wxPoint}
417 \twocolitem{{\bf ConvertDialogSizeToPixels(size)}}{Accepts and returns a wxSize}
418 \end{twocollist}}
419 }
420
421 \membersection{wxWindow::Destroy}\label{wxwindowdestroy}
422
423 \func{virtual bool}{Destroy}{\void}
424
425 Destroys the window safely. Use this function instead of the delete operator, since
426 different window classes can be destroyed differently. Frames and dialogs
427 are not destroyed immediately when this function is called -- they are added
428 to a list of windows to be deleted on idle time, when all the window's events
429 have been processed. This prevents problems with events being sent to non-existent
430 windows.
431
432 \wxheading{Return value}
433
434 {\tt true} if the window has either been successfully deleted, or it has been added
435 to the list of windows pending real deletion.
436
437 \membersection{wxWindow::DestroyChildren}
438
439 \func{virtual void}{DestroyChildren}{\void}
440
441 Destroys all children of a window. Called automatically by the destructor.
442
443 \membersection{wxWindow::Disable}\label{wxwindowdisable}
444
445 \func{bool}{Disable}{\void}
446
447 Disables the window, same as \helpref{Enable({\tt false})}{wxwindowenable}.
448
449 \wxheading{Return value}
450
451 Returns {\tt true} if the window has been disabled, {\tt false} if it had been
452 already disabled before the call to this function.
453
454 \membersection{wxWindow::DoUpdateWindowUI}\label{wxwindowdoupdatewindowui}
455
456 \func{virtual void}{DoUpdateWindowUI}{\param{wxUpdateUIEvent\&}{ event}}
457
458 Does the window-specific updating after processing the update event.
459 This function is called by \helpref{wxWindow::UpdateWindowUI}{wxwindowupdatewindowui}
460 in order to check return values in the \helpref{wxUpdateUIEvent}{wxupdateuievent} and
461 act appropriately. For example, to allow frame and dialog title updating, wxWindows
462 implements this function as follows:
463
464 \begin{verbatim}
465 // do the window-specific processing after processing the update event
466 void wxTopLevelWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
467 {
468 if ( event.GetSetEnabled() )
469 Enable(event.GetEnabled());
470
471 if ( event.GetSetText() )
472 {
473 if ( event.GetText() != GetTitle() )
474 SetTitle(event.GetText());
475 }
476 }
477 \end{verbatim}
478
479
480 \membersection{wxWindow::DragAcceptFiles}\label{wxwindowdragacceptfiles}
481
482 \func{virtual void}{DragAcceptFiles}{\param{bool}{ accept}}
483
484 Enables or disables eligibility for drop file events (OnDropFiles).
485
486 \wxheading{Parameters}
487
488 \docparam{accept}{If {\tt true}, the window is eligible for drop file events. If {\tt false}, the window
489 will not accept drop file events.}
490
491 \wxheading{Remarks}
492
493 Windows only.
494
495 \membersection{wxWindow::Enable}\label{wxwindowenable}
496
497 \func{virtual bool}{Enable}{\param{bool}{ enable = {\tt true}}}
498
499 Enable or disable the window for user input. Note that when a parent window is
500 disabled, all of its children are disabled as well and they are reenabled again
501 when the parent is.
502
503 \wxheading{Parameters}
504
505 \docparam{enable}{If {\tt true}, enables the window for input. If {\tt false}, disables the window.}
506
507 \wxheading{Return value}
508
509 Returns {\tt true} if the window has been enabled or disabled, {\tt false} if
510 nothing was done, i.e. if the window had already been in the specified state.
511
512 \wxheading{See also}
513
514 \helpref{wxWindow::IsEnabled}{wxwindowisenabled},\rtfsp
515 \helpref{wxWindow::Disable}{wxwindowdisable}
516
517 \membersection{wxWindow::FindFocus}\label{wxwindowfindfocus}
518
519 \func{static wxWindow*}{FindFocus}{\void}
520
521 Finds the window or control which currently has the keyboard focus.
522
523 \wxheading{Remarks}
524
525 Note that this is a static function, so it can be called without needing a wxWindow pointer.
526
527 \wxheading{See also}
528
529 \helpref{wxWindow::SetFocus}{wxwindowsetfocus}
530
531
532 \membersection{wxWindow::FindWindow}\label{wxwindowfindwindow}
533
534 \func{wxWindow*}{FindWindow}{\param{long}{ id}}
535
536 Find a child of this window, by identifier.
537
538 \func{wxWindow*}{FindWindow}{\param{const wxString\&}{ name}}
539
540 Find a child of this window, by name.
541
542 \pythonnote{In place of a single overloaded method name, wxPython
543 implements the following methods:\par
544 \indented{2cm}{\begin{twocollist}
545 \twocolitem{{\bf FindWindowById(id)}}{Accepts an integer}
546 \twocolitem{{\bf FindWindowByName(name)}}{Accepts a string}
547 \end{twocollist}}
548 }
549
550 \membersection{wxWindow::FindWindowById}\label{wxwindowfindwindowbyid}
551
552 \func{static wxWindow*}{FindWindowById}{\param{long}{ id}, \param{wxWindow*}{ parent = NULL}}
553
554 Find the first window with the given {\it id}.
555
556 If {\it parent} is NULL, the search will start from all top-level
557 frames and dialog boxes; if non-NULL, the search will be limited to the given window hierarchy.
558 The search is recursive in both cases.
559
560 \wxheading{See also}
561
562 \helpref{FindWindow}{wxwindowfindwindow}
563
564 \membersection{wxWindow::FindWindowByName}\label{wxwindowfindwindowbyname}
565
566 \func{static wxWindow*}{FindWindowByName}{\param{const wxString\&}{ name}, \param{wxWindow*}{ parent = NULL}}
567
568 Find a window by its name (as given in a window constructor or {\bf Create} function call).
569 If {\it parent} is NULL, the search will start from all top-level
570 frames and dialog boxes; if non-NULL, the search will be limited to the given window hierarchy.
571 The search is recursive in both cases.
572
573 If no window with such name is found,
574 \helpref{FindWindowByLabel}{wxwindowfindwindowbylabel} is called.
575
576 \wxheading{See also}
577
578 \helpref{FindWindow}{wxwindowfindwindow}
579
580 \membersection{wxWindow::FindWindowByLabel}\label{wxwindowfindwindowbylabel}
581
582 \func{static wxWindow*}{FindWindowByLabel}{\param{const wxString\&}{ label}, \param{wxWindow*}{ parent = NULL}}
583
584 Find a window by its label. Depending on the type of window, the label may be a window title
585 or panel item label. If {\it parent} is NULL, the search will start from all top-level
586 frames and dialog boxes; if non-NULL, the search will be limited to the given window hierarchy.
587 The search is recursive in both cases.
588
589 \wxheading{See also}
590
591 \helpref{FindWindow}{wxwindowfindwindow}
592
593 \membersection{wxWindow::Fit}\label{wxwindowfit}
594
595 \func{virtual void}{Fit}{\void}
596
597 Sizes the window so that it fits around its subwindows. This function won't do
598 anything if there are no subwindows and will only really work correctly if the
599 sizers are used for the subwindows layout. Also, if the window has exactly one
600 subwindow it is better (faster and the result is more precise as Fit adds some
601 margin to account for fuzziness of its calculations) to call
602
603 \begin{verbatim}
604 window->SetClientSize(child->GetSize());
605 \end{verbatim}
606
607 instead of calling Fit.
608
609 \membersection{wxWindow::FitInside}\label{wxwindowfitinside}
610
611 \func{virtual void}{FitInside}{\void}
612
613 Similar to \helpref{Fit}{wxwindowfit}, but sizes the interior (virtual) size
614 of a window. Mainly useful with scrolled windows to reset scrollbars after
615 sizing changes that do not trigger a size event, and/or scrolled windows without
616 an interior sizer. This function similarly won't do anything if there are no
617 subwindows.
618
619 \membersection{wxWindow::Freeze}\label{wxwindowfreeze}
620
621 \func{virtual void}{Freeze}{\void}
622
623 Freezes the window or, in other words, prevents any updates from taking place
624 on screen, the window is not redrawn at all. \helpref{Thaw}{wxwindowthaw} must
625 be called to reenable window redrawing.
626
627 This method is useful for visual appearance optimization (for example, it
628 is a good idea to use it before inserting large amount of text into a
629 wxTextCtrl under wxGTK) but is not implemented on all platforms nor for all
630 controls so it is mostly just a hint to wxWindows and not a mandatory
631 directive.
632
633 \membersection{wxWindow::GetAcceleratorTable}\label{wxwindowgetacceleratortable}
634
635 \constfunc{wxAcceleratorTable*}{GetAcceleratorTable}{\void}
636
637 Gets the accelerator table for this window. See \helpref{wxAcceleratorTable}{wxacceleratortable}.
638
639 \membersection{wxWindow::GetAccessible}\label{wxwindowgetaccessible}
640
641 \func{wxAccessibile*}{GetAccessible}{\void}
642
643 Returns the accessible object for this window, if any.
644
645 See also \helpref{wxAccessible}{wxaccessible}.
646
647 \membersection{wxWindow::GetAdjustedBestSize}\label{wxwindowgetadjustedbestsize}
648
649 \constfunc{wxSize}{GetAdjustedBestSize}{\void}
650
651 This method is similar to \helpref{GetBestSize}{wxwindowgetbestsize}, except
652 in one thing. GetBestSize should return the minimum untruncated size of the
653 window, while this method will return the largest of BestSize and any user
654 specified minimum size. ie. it is the minimum size the window should currently
655 be drawn at, not the minimal size it can possibly tolerate.
656
657 \membersection{wxWindow::GetBackgroundColour}\label{wxwindowgetbackgroundcolour}
658
659 \constfunc{virtual wxColour}{GetBackgroundColour}{\void}
660
661 Returns the background colour of the window.
662
663 \wxheading{See also}
664
665 \helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
666 \helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
667 \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour}
668
669 \membersection{wxWindow::GetBestSize}\label{wxwindowgetbestsize}
670
671 \constfunc{wxSize}{GetBestSize}{\void}
672
673 This functions returns the best acceptable minimal size for the window. For
674 example, for a static control, it will be the minimal size such that the
675 control label is not truncated. For windows containing subwindows (typically
676 \helpref{wxPanel}{wxpanel}), the size returned by this function will be the
677 same as the size the window would have had after calling
678 \helpref{Fit}{wxwindowfit}.
679
680 \membersection{wxWindow::GetCaret}\label{wxwindowgetcaret}
681
682 \constfunc{wxCaret *}{GetCaret}{\void}
683
684 Returns the \helpref{caret}{wxcaret} associated with the window.
685
686 \membersection{wxWindow::GetCapture}\label{wxwindowgetcapture}
687
688 \func{static wxWindow *}{GetCapture}{\void}
689
690 Returns the currently captured window.
691
692 \wxheading{See also}
693
694 \helpref{wxWindow::HasCapture}{wxwindowhascapture},
695 \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse},
696 \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse},
697 \helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent}
698
699 \membersection{wxWindow::GetCharHeight}
700
701 \constfunc{virtual int}{GetCharHeight}{\void}
702
703 Returns the character height for this window.
704
705 \membersection{wxWindow::GetCharWidth}
706
707 \constfunc{virtual int}{GetCharWidth}{\void}
708
709 Returns the average character width for this window.
710
711 \membersection{wxWindow::GetChildren}
712
713 \func{wxList\&}{GetChildren}{\void}
714
715 Returns a reference to the list of the window's children.
716
717 \membersection{wxWindow::GetClientSize}\label{wxwindowgetclientsize}
718
719 \constfunc{void}{GetClientSize}{\param{int* }{width}, \param{int* }{height}}
720
721 \perlnote{In wxPerl this method takes no parameter and returns
722 a 2-element list {\tt (width, height)}.}
723
724 \constfunc{wxSize}{GetClientSize}{\void}
725
726 This gets the size of the window `client area' in pixels.
727 The client area is the area which may be drawn on by the programmer,
728 excluding title bar, border, scrollbars, etc.
729
730 \wxheading{Parameters}
731
732 \docparam{width}{Receives the client width in pixels.}
733
734 \docparam{height}{Receives the client height in pixels.}
735
736 \pythonnote{In place of a single overloaded method name, wxPython
737 implements the following methods:\par
738 \indented{2cm}{\begin{twocollist}
739 \twocolitem{{\bf GetClientSizeTuple()}}{Returns a 2-tuple of (width, height)}
740 \twocolitem{{\bf GetClientSize()}}{Returns a wxSize object}
741 \end{twocollist}}
742 }
743
744 \wxheading{See also}
745
746 \helpref{GetSize}{wxwindowgetsize},\rtfsp
747 \helpref{GetVirtualSize}{wxwindowgetvirtualsize}
748
749
750 \membersection{wxWindow::GetConstraints}\label{wxwindowgetconstraints}
751
752 \constfunc{wxLayoutConstraints*}{GetConstraints}{\void}
753
754 Returns a pointer to the window's layout constraints, or NULL if there are none.
755
756 \membersection{wxWindow::GetContainingSizer}\label{wxwindowgetcontainingsizer}
757
758 \constfunc{const wxSizer *}{GetContainingSizer}{\void}
759
760 Return the sizer that this window is a member of, if any, otherwise
761 {\tt NULL}.
762
763 \membersection{wxWindow::GetCursor}\label{wxwindowgetcursor}
764
765 \constfunc{const wxCursor\&}{GetCursor}{\void}
766
767 Return the cursor associated with this window.
768
769 \wxheading{See also}
770
771 \helpref{wxWindow::SetCursor}{wxwindowsetcursor}
772
773 \membersection{wxWindow::GetDropTarget}\label{wxwindowgetdroptarget}
774
775 \constfunc{wxDropTarget*}{GetDropTarget}{\void}
776
777 Returns the associated drop target, which may be NULL.
778
779 \wxheading{See also}
780
781 \helpref{wxWindow::SetDropTarget}{wxwindowsetdroptarget},
782 \helpref{Drag and drop overview}{wxdndoverview}
783
784 \membersection{wxWindow::GetEventHandler}\label{wxwindowgeteventhandler}
785
786 \constfunc{wxEvtHandler*}{GetEventHandler}{\void}
787
788 Returns the event handler for this window. By default, the window is its
789 own event handler.
790
791 \wxheading{See also}
792
793 \helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
794 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
795 \helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
796 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
797 \helpref{wxEvtHandler}{wxevthandler}\rtfsp
798
799 \membersection{wxWindow::GetExtraStyle}\label{wxwindowgetextrastyle}
800
801 \constfunc{long}{GetExtraStyle}{\void}
802
803 Returns the extra style bits for the window.
804
805 \membersection{wxWindow::GetFont}\label{wxwindowgetfont}
806
807 \constfunc{wxFont\&}{GetFont}{\void}
808
809 Returns a reference to the font for this window.
810
811 \wxheading{See also}
812
813 \helpref{wxWindow::SetFont}{wxwindowsetfont}
814
815 \membersection{wxWindow::GetForegroundColour}\label{wxwindowgetforegroundcolour}
816
817 \func{virtual wxColour}{GetForegroundColour}{\void}
818
819 Returns the foreground colour of the window.
820
821 \wxheading{Remarks}
822
823 The interpretation of foreground colour is open to interpretation according
824 to the window class; it may be the text colour or other colour, or it may not
825 be used at all.
826
827 \wxheading{See also}
828
829 \helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
830 \helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
831 \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour}
832
833 \membersection{wxWindow::GetGrandParent}
834
835 \constfunc{wxWindow*}{GetGrandParent}{\void}
836
837 Returns the grandparent of a window, or NULL if there isn't one.
838
839 \membersection{wxWindow::GetHandle}\label{wxwindowgethandle}
840
841 \constfunc{void*}{GetHandle}{\void}
842
843 Returns the platform-specific handle of the physical window. Cast it to an appropriate
844 handle, such as {\bf HWND} for Windows, {\bf Widget} for Motif or {\bf GtkWidget} for GTK.
845
846 \pythonnote{This method will return an integer in wxPython.}
847
848 \perlnote{This method will return an integer in wxPerl.}
849
850 \membersection{wxWindow::GetHelpText}\label{wxwindowgethelptext}
851
852 \constfunc{virtual wxString}{GetHelpText}{\void}
853
854 Gets the help text to be used as context-sensitive help for this window.
855
856 Note that the text is actually stored by the current \helpref{wxHelpProvider}{wxhelpprovider} implementation,
857 and not in the window object itself.
858
859 \wxheading{See also}
860
861 \helpref{SetHelpText}{wxwindowsethelptext}, \helpref{wxHelpProvider}{wxhelpprovider}
862
863 \membersection{wxWindow::GetId}\label{wxwindowgetid}
864
865 \constfunc{int}{GetId}{\void}
866
867 Returns the identifier of the window.
868
869 \wxheading{Remarks}
870
871 Each window has an integer identifier. If the application has not provided one
872 (or the default Id -1) an unique identifier with a negative value will be generated.
873
874 \wxheading{See also}
875
876 \helpref{wxWindow::SetId}{wxwindowsetid},\rtfsp
877 \helpref{Window identifiers}{windowids}
878
879 \membersection{wxWindow::GetLabel}
880
881 \constfunc{virtual wxString }{GetLabel}{\void}
882
883 Generic way of getting a label from any window, for
884 identification purposes.
885
886 \wxheading{Remarks}
887
888 The interpretation of this function differs from class to class.
889 For frames and dialogs, the value returned is the title. For buttons or static text controls, it is
890 the button text. This function can be useful for meta-programs (such as testing
891 tools or special-needs access programs) which need to identify windows
892 by name.
893
894 \membersection{wxWindow::GetName}\label{wxwindowgetname}
895
896 \constfunc{virtual wxString }{GetName}{\void}
897
898 Returns the window's name.
899
900 \wxheading{Remarks}
901
902 This name is not guaranteed to be unique; it is up to the programmer to supply an appropriate
903 name in the window constructor or via \helpref{wxWindow::SetName}{wxwindowsetname}.
904
905 \wxheading{See also}
906
907 \helpref{wxWindow::SetName}{wxwindowsetname}
908
909 \membersection{wxWindow::GetParent}
910
911 \constfunc{virtual wxWindow*}{GetParent}{\void}
912
913 Returns the parent of the window, or NULL if there is no parent.
914
915 \membersection{wxWindow::GetPosition}\label{wxwindowgetposition}
916
917 \constfunc{virtual void}{GetPosition}{\param{int* }{x}, \param{int* }{y}}
918
919 \constfunc{wxPoint}{GetPosition}{\void}
920
921 This gets the position of the window in pixels, relative to the parent window
922 for the child windows or relative to the display origin for the top level
923 windows.
924
925 \wxheading{Parameters}
926
927 \docparam{x}{Receives the x position of the window.}
928
929 \docparam{y}{Receives the y position of the window.}
930
931 \pythonnote{In place of a single overloaded method name, wxPython
932 implements the following methods:\par
933 \indented{2cm}{\begin{twocollist}
934 \twocolitem{{\bf GetPosition()}}{Returns a wxPoint}
935 \twocolitem{{\bf GetPositionTuple()}}{Returns a tuple (x, y)}
936 \end{twocollist}}
937 }
938
939 \perlnote{In wxPerl there are two methods instead of a single overloaded
940 method:\par
941 \indented{2cm}{\begin{twocollist}
942 \twocolitem{{\bf GetPosition()}}{Returns a Wx::Point}
943 \twocolitem{{\bf GetPositionXY()}}{Returns a 2-element list
944 {\tt ( x, y )}}
945 \end{twocollist}
946 }}
947
948 \membersection{wxWindow::GetRect}\label{wxwindowgetrect}
949
950 \constfunc{virtual wxRect}{GetRect}{\void}
951
952 Returns the size and position of the window as a \helpref{wxRect}{wxrect} object.
953
954 \membersection{wxWindow::GetScrollThumb}\label{wxwindowgetscrollthumb}
955
956 \func{virtual int}{GetScrollThumb}{\param{int }{orientation}}
957
958 Returns the built-in scrollbar thumb size.
959
960 \wxheading{See also}
961
962 \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
963
964 \membersection{wxWindow::GetScrollPos}\label{wxwindowgetscrollpos}
965
966 \func{virtual int}{GetScrollPos}{\param{int }{orientation}}
967
968 Returns the built-in scrollbar position.
969
970 \wxheading{See also}
971
972 See \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
973
974 \membersection{wxWindow::GetScrollRange}\label{wxwindowgetscrollrange}
975
976 \func{virtual int}{GetScrollRange}{\param{int }{orientation}}
977
978 Returns the built-in scrollbar range.
979
980 \wxheading{See also}
981
982 \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
983
984 \membersection{wxWindow::GetSize}\label{wxwindowgetsize}
985
986 \constfunc{void}{GetSize}{\param{int* }{width}, \param{int* }{height}}
987
988 \constfunc{wxSize}{GetSize}{\void}
989
990 This gets the size of the entire window in pixels,
991 including title bar, border, scrollbars, etc.
992
993 \wxheading{Parameters}
994
995 \docparam{width}{Receives the window width.}
996
997 \docparam{height}{Receives the window height.}
998
999 \pythonnote{In place of a single overloaded method name, wxPython
1000 implements the following methods:\par
1001 \indented{2cm}{\begin{twocollist}
1002 \twocolitem{{\bf GetSize()}}{Returns a wxSize}
1003 \twocolitem{{\bf GetSizeTuple()}}{Returns a 2-tuple (width, height)}
1004 \end{twocollist}}
1005 }
1006
1007 \perlnote{In wxPerl there are two methods instead of a single overloaded
1008 method:\par
1009 \indented{2cm}{\begin{twocollist}
1010 \twocolitem{{\bf GetSize()}}{Returns a Wx::Size}
1011 \twocolitem{{\bf GetSizeWH()}}{Returns a 2-element list
1012 {\tt ( width, height )}}
1013 \end{twocollist}
1014 }}
1015
1016 \wxheading{See also}
1017
1018 \helpref{GetClientSize}{wxwindowgetclientsize},\rtfsp
1019 \helpref{GetVirtualSize}{wxwindowgetvirtualsize}
1020
1021 \membersection{wxWindow::GetSizer}\label{wxwindowgetsizer}
1022
1023 \constfunc{wxSizer *}{GetSizer}{\void}
1024
1025 Return the sizer associated with the window by a previous call to
1026 \helpref{SetSizer()}{wxwindowsetsizer} or {\tt NULL}.
1027
1028 \membersection{wxWindow::GetTextExtent}\label{wxwindowgettextextent}
1029
1030 \constfunc{virtual void}{GetTextExtent}{\param{const wxString\& }{string}, \param{int* }{x}, \param{int* }{y},
1031 \param{int* }{descent = NULL}, \param{int* }{externalLeading = NULL},
1032 \param{const wxFont* }{font = NULL}, \param{bool}{ use16 = {\tt false}}}
1033
1034 Gets the dimensions of the string as it would be drawn on the
1035 window with the currently selected font.
1036
1037 \wxheading{Parameters}
1038
1039 \docparam{string}{String whose extent is to be measured.}
1040
1041 \docparam{x}{Return value for width.}
1042
1043 \docparam{y}{Return value for height.}
1044
1045 \docparam{descent}{Return value for descent (optional).}
1046
1047 \docparam{externalLeading}{Return value for external leading (optional).}
1048
1049 \docparam{font}{Font to use instead of the current window font (optional).}
1050
1051 \docparam{use16}{If {\tt true}, {\it string} contains 16-bit characters. The default is {\tt false}.}
1052
1053 \pythonnote{In place of a single overloaded method name, wxPython
1054 implements the following methods:\par
1055 \indented{2cm}{\begin{twocollist}
1056 \twocolitem{{\bf GetTextExtent(string)}}{Returns a 2-tuple, (width, height)}
1057 \twocolitem{{\bf GetFullTextExtent(string, font=NULL)}}{Returns a
1058 4-tuple, (width, height, descent, externalLeading) }
1059 \end{twocollist}}
1060 }
1061
1062 \perlnote{In wxPerl this method takes only the {\tt string} and optionally
1063 {\tt font} parameters, and returns a 4-element list
1064 {\tt ( x, y, descent, externalLeading )}.}
1065
1066 \membersection{wxWindow::GetTitle}\label{wxwindowgettitle}
1067
1068 \func{virtual wxString}{GetTitle}{\void}
1069
1070 Gets the window's title. Applicable only to frames and dialogs.
1071
1072 \wxheading{See also}
1073
1074 \helpref{wxWindow::SetTitle}{wxwindowsettitle}
1075
1076 \membersection{wxWindow::GetToolTip}\label{wxwindowgettooltip}
1077
1078 \constfunc{wxToolTip*}{GetToolTip}{\void}
1079
1080 Get the associated tooltip or NULL if none.
1081
1082 \membersection{wxWindow::GetUpdateRegion}\label{wxwindowgetupdateregion}
1083
1084 \constfunc{virtual wxRegion}{GetUpdateRegion}{\void}
1085
1086 Returns the region specifying which parts of the window have been damaged. Should
1087 only be called within an \helpref{wxPaintEvent}{wxpaintevent} handler.
1088
1089 \wxheading{See also}
1090
1091 \helpref{wxRegion}{wxregion},\rtfsp
1092 \helpref{wxRegionIterator}{wxregioniterator}
1093
1094 \membersection{wxWindow::GetValidator}\label{wxwindowgetvalidator}
1095
1096 \constfunc{wxValidator*}{GetValidator}{\void}
1097
1098 Returns a pointer to the current validator for the window, or NULL if there is none.
1099
1100 \membersection{wxWindow::GetVirtualSize}\label{wxwindowgetvirtualsize}
1101
1102 \constfunc{void}{GetVirtualSize}{\param{int* }{width}, \param{int* }{height}}
1103
1104 \constfunc{wxSize}{GetVirtualSize}{\void}
1105
1106 This gets the virtual size of the window in pixels.
1107
1108 \wxheading{Parameters}
1109
1110 \docparam{width}{Receives the window virtual width.}
1111
1112 \docparam{height}{Receives the window virtual height.}
1113
1114 \helpref{GetSize}{wxwindowgetsize},\rtfsp
1115 \helpref{GetClientSize}{wxwindowgetclientsize}
1116
1117 \membersection{wxWindow::GetWindowStyleFlag}\label{wxwindowgetwindowstyleflag}
1118
1119 \constfunc{long}{GetWindowStyleFlag}{\void}
1120
1121 Gets the window style that was passed to the constructor or {\bf Create}
1122 method. {\bf GetWindowStyle()} is another name for the same function.
1123
1124 \membersection{wxWindow::HasCapture}\label{wxwindowhascapture}
1125
1126 \constfunc{virtual bool}{HasCapture}{\void}
1127
1128 Returns true if this window has the current mouse capture.
1129
1130 \wxheading{See also}
1131
1132 \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse},
1133 \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse},
1134 \helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent}
1135
1136 \membersection{wxWindow::Hide}\label{wxwindowhide}
1137
1138 \func{bool}{Hide}{\void}
1139
1140 Equivalent to calling \helpref{Show}{wxwindowshow}({\tt false}).
1141
1142 \membersection{wxWindow::InitDialog}\label{wxwindowinitdialog}
1143
1144 \func{void}{InitDialog}{\void}
1145
1146 Sends an {\tt wxEVT\_INIT\_DIALOG} event, whose handler usually transfers data
1147 to the dialog via validators.
1148
1149 \membersection{wxWindow::IsEnabled}\label{wxwindowisenabled}
1150
1151 \constfunc{virtual bool}{IsEnabled}{\void}
1152
1153 Returns {\tt true} if the window is enabled for input, {\tt false} otherwise.
1154
1155 \wxheading{See also}
1156
1157 \helpref{wxWindow::Enable}{wxwindowenable}
1158
1159 \membersection{wxWindow::IsExposed}\label{wxwindowisexposed}
1160
1161 \constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}}
1162
1163 \constfunc{bool}{IsExposed}{\param{wxPoint }{\&pt}}
1164
1165 \constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}, \param{int }{w}, \param{int }{h}}
1166
1167 \constfunc{bool}{IsExposed}{\param{wxRect }{\&rect}}
1168
1169 Returns {\tt true} if the given point or rectangle area has been exposed since the
1170 last repaint. Call this in an paint event handler to optimize redrawing by
1171 only redrawing those areas, which have been exposed.
1172
1173 \pythonnote{In place of a single overloaded method name, wxPython
1174 implements the following methods:\par
1175 \indented{2cm}{\begin{twocollist}
1176 \twocolitem{{\bf IsExposed(x,y, w=0,h=0)}}{}
1177 \twocolitem{{\bf IsExposedPoint(pt)}}{}
1178 \twocolitem{{\bf IsExposedRect(rect)}}{}
1179 \end{twocollist}}}
1180
1181 \membersection{wxWindow::IsRetained}\label{wxwindowisretained}
1182
1183 \constfunc{virtual bool}{IsRetained}{\void}
1184
1185 Returns {\tt true} if the window is retained, {\tt false} otherwise.
1186
1187 \wxheading{Remarks}
1188
1189 Retained windows are only available on X platforms.
1190
1191 \membersection{wxWindow::IsShown}\label{wxwindowisshown}
1192
1193 \constfunc{virtual bool}{IsShown}{\void}
1194
1195 Returns {\tt true} if the window is shown, {\tt false} if it has been hidden.
1196
1197 \membersection{wxWindow::IsTopLevel}\label{wxwindowistoplevel}
1198
1199 \constfunc{bool}{IsTopLevel}{\void}
1200
1201 Returns {\tt true} if the given window is a top-level one. Currently all frames and
1202 dialogs are considered to be top-level windows (even if they have a parent
1203 window).
1204
1205 \membersection{wxWindow::Layout}\label{wxwindowlayout}
1206
1207 \func{void}{Layout}{\void}
1208
1209 Invokes the constraint-based layout algorithm or the sizer-based algorithm
1210 for this window.
1211
1212 See \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout}: when auto
1213 layout is on, this function gets called automatically when the window is resized.
1214
1215 \membersection{wxWindow::LineDown}\label{wxwindowlinedown}
1216
1217 This is just a wrapper for \helpref{ScrollLines()}{wxwindowscrolllines}$(1)$.
1218
1219 \membersection{wxWindow::LineUp}\label{wxwindowlineup}
1220
1221 This is just a wrapper for \helpref{ScrollLines()}{wxwindowscrolllines}$(-1)$.
1222
1223 \membersection{wxWindow::Lower}\label{wxwindowlower}
1224
1225 \func{void}{Lower}{\void}
1226
1227 Lowers the window to the bottom of the window hierarchy if it is a managed window (dialog
1228 or frame).
1229
1230 \membersection{wxWindow::MakeModal}\label{wxwindowmakemodal}
1231
1232 \func{virtual void}{MakeModal}{\param{bool }{flag}}
1233
1234 Disables all other windows in the application so that
1235 the user can only interact with this window.
1236
1237 \wxheading{Parameters}
1238
1239 \docparam{flag}{If {\tt true}, this call disables all other windows in the application so that
1240 the user can only interact with this window. If {\tt false}, the effect is reversed.}
1241
1242 \membersection{wxWindow::Move}\label{wxwindowmove}
1243
1244 \func{void}{Move}{\param{int}{ x}, \param{int}{ y}}
1245
1246 \func{void}{Move}{\param{const wxPoint\&}{ pt}}
1247
1248 Moves the window to the given position.
1249
1250 \wxheading{Parameters}
1251
1252 \docparam{x}{Required x position.}
1253
1254 \docparam{y}{Required y position.}
1255
1256 \docparam{pt}{\helpref{wxPoint}{wxpoint} object representing the position.}
1257
1258 \wxheading{Remarks}
1259
1260 Implementations of SetSize can also implicitly implement the
1261 wxWindow::Move function, which is defined in the base wxWindow class
1262 as the call:
1263
1264 \begin{verbatim}
1265 SetSize(x, y, -1, -1, wxSIZE_USE_EXISTING);
1266 \end{verbatim}
1267
1268 \wxheading{See also}
1269
1270 \helpref{wxWindow::SetSize}{wxwindowsetsize}
1271
1272 \pythonnote{In place of a single overloaded method name, wxPython
1273 implements the following methods:\par
1274 \indented{2cm}{\begin{twocollist}
1275 \twocolitem{{\bf Move(point)}}{Accepts a wxPoint}
1276 \twocolitem{{\bf MoveXY(x, y)}}{Accepts a pair of integers}
1277 \end{twocollist}}
1278 }
1279
1280 %% VZ: wxWindow::OnXXX() functions should not be documented but I'm leaving
1281 %% the old docs here in case we want to move any still needed bits to
1282 %% the right location (i.e. probably the corresponding events docs)
1283 %%
1284 %% \membersection{wxWindow::OnActivate}\label{wxwindowonactivate}
1285 %%
1286 %% \func{void}{OnActivate}{\param{wxActivateEvent\&}{ event}}
1287 %%
1288 %% Called when a window is activated or deactivated.
1289 %%
1290 %% \wxheading{Parameters}
1291 %%
1292 %% \docparam{event}{Object containing activation information.}
1293 %%
1294 %% \wxheading{Remarks}
1295 %%
1296 %% If the window is being activated, \helpref{wxActivateEvent::GetActive}{wxactivateeventgetactive} returns {\tt true},
1297 %% otherwise it returns {\tt false} (it is being deactivated).
1298 %%
1299 %% \wxheading{See also}
1300 %%
1301 %% \helpref{wxActivateEvent}{wxactivateevent},\rtfsp
1302 %% \helpref{Event handling overview}{eventhandlingoverview}
1303 %%
1304 %% \membersection{wxWindow::OnChar}\label{wxwindowonchar}
1305 %%
1306 %% \func{void}{OnChar}{\param{wxKeyEvent\&}{ event}}
1307 %%
1308 %% Called when the user has pressed a key that is not a modifier (SHIFT, CONTROL or ALT).
1309 %%
1310 %% \wxheading{Parameters}
1311 %%
1312 %% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1313 %% details about this class.}
1314 %%
1315 %% \wxheading{Remarks}
1316 %%
1317 %% This member function is called in response to a keypress. To intercept this event,
1318 %% use the EVT\_CHAR macro in an event table definition. Your {\bf OnChar} handler may call this
1319 %% default function to achieve default keypress functionality.
1320 %%
1321 %% Note that the ASCII values do not have explicit key codes: they are passed as ASCII
1322 %% values.
1323 %%
1324 %% Note that not all keypresses can be intercepted this way. If you wish to intercept modifier
1325 %% keypresses, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1326 %% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1327 %%
1328 %% Most, but not all, windows allow keypresses to be intercepted.
1329 %%
1330 %% {\bf Tip:} be sure to call {\tt event.Skip()} for events that you don't process in this function,
1331 %% otherwise menu shortcuts may cease to work under Windows.
1332 %%
1333 %% \wxheading{See also}
1334 %%
1335 %% \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp
1336 %% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1337 %% \helpref{Event handling overview}{eventhandlingoverview}
1338 %%
1339 %% \membersection{wxWindow::OnCharHook}\label{wxwindowoncharhook}
1340 %%
1341 %% \func{void}{OnCharHook}{\param{wxKeyEvent\&}{ event}}
1342 %%
1343 %% This member is called to allow the window to intercept keyboard events
1344 %% before they are processed by child windows.
1345 %%
1346 %% \wxheading{Parameters}
1347 %%
1348 %% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1349 %% details about this class.}
1350 %%
1351 %% \wxheading{Remarks}
1352 %%
1353 %% This member function is called in response to a keypress, if the window is active. To intercept this event,
1354 %% use the EVT\_CHAR\_HOOK macro in an event table definition. If you do not process a particular
1355 %% keypress, call \helpref{wxEvent::Skip}{wxeventskip} to allow default processing.
1356 %%
1357 %% An example of using this function is in the implementation of escape-character processing for wxDialog,
1358 %% where pressing ESC dismisses the dialog by {\bf OnCharHook} 'forging' a cancel button press event.
1359 %%
1360 %% Note that the ASCII values do not have explicit key codes: they are passed as ASCII
1361 %% values.
1362 %%
1363 %% This function is only relevant to top-level windows (frames and dialogs), and under
1364 %% Windows only. Under GTK the normal EVT\_CHAR\_ event has the functionality, i.e.
1365 %% you can intercepts it and if you don't call \helpref{wxEvent::Skip}{wxeventskip}
1366 %% the window won't get the event.
1367 %%
1368 %% \wxheading{See also}
1369 %%
1370 %% \helpref{wxKeyEvent}{wxkeyevent},\rtfsp
1371 %% \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1372 %% %% GD: OnXXX functions are not documented
1373 %% %%\helpref{wxApp::OnCharHook}{wxapponcharhook},\rtfsp
1374 %% \helpref{Event handling overview}{eventhandlingoverview}
1375 %%
1376 %% \membersection{wxWindow::OnCommand}\label{wxwindowoncommand}
1377 %%
1378 %% \func{virtual void}{OnCommand}{\param{wxEvtHandler\& }{object}, \param{wxCommandEvent\& }{event}}
1379 %%
1380 %% This virtual member function is called if the control does not handle the command event.
1381 %%
1382 %% \wxheading{Parameters}
1383 %%
1384 %% \docparam{object}{Object receiving the command event.}
1385 %%
1386 %% \docparam{event}{Command event}
1387 %%
1388 %% \wxheading{Remarks}
1389 %%
1390 %% This virtual function is provided mainly for backward compatibility. You can also intercept commands
1391 %% from child controls by using an event table, with identifiers or identifier ranges to identify
1392 %% the control(s) in question.
1393 %%
1394 %% \wxheading{See also}
1395 %%
1396 %% \helpref{wxCommandEvent}{wxcommandevent},\rtfsp
1397 %% \helpref{Event handling overview}{eventhandlingoverview}
1398 %%
1399 %% \membersection{wxWindow::OnClose}\label{wxwindowonclose}
1400 %%
1401 %% \func{virtual bool}{OnClose}{\void}
1402 %%
1403 %% Called when the user has tried to close a a frame
1404 %% or dialog box using the window manager (X) or system menu (Windows).
1405 %%
1406 %% {\bf Note:} This is an obsolete function.
1407 %% It is superseded by the \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow} event
1408 %% handler.
1409 %%
1410 %% \wxheading{Return value}
1411 %%
1412 %% If {\tt true} is returned by OnClose, the window will be deleted by the system, otherwise the
1413 %% attempt will be ignored. Do not delete the window from within this handler, although
1414 %% you may delete other windows.
1415 %%
1416 %% \wxheading{See also}
1417 %%
1418 %% \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
1419 %% \helpref{wxWindow::Close}{wxwindowclose},\rtfsp
1420 %% \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow},\rtfsp
1421 %% \helpref{wxCloseEvent}{wxcloseevent}
1422 %%
1423 %% \membersection{wxWindow::OnKeyDown}\label{wxwindowonkeydown}
1424 %%
1425 %% \func{void}{OnKeyDown}{\param{wxKeyEvent\&}{ event}}
1426 %%
1427 %% Called when the user has pressed a key, before it is translated into an ASCII value using other
1428 %% modifier keys that might be pressed at the same time.
1429 %%
1430 %% \wxheading{Parameters}
1431 %%
1432 %% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1433 %% details about this class.}
1434 %%
1435 %% \wxheading{Remarks}
1436 %%
1437 %% This member function is called in response to a key down event. To intercept this event,
1438 %% use the EVT\_KEY\_DOWN macro in an event table definition. Your {\bf OnKeyDown} handler may call this
1439 %% default function to achieve default keypress functionality.
1440 %%
1441 %% Note that not all keypresses can be intercepted this way. If you wish to intercept special
1442 %% keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1443 %% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1444 %%
1445 %% Most, but not all, windows allow keypresses to be intercepted.
1446 %%
1447 %% {\bf Tip:} be sure to call {\tt event.Skip()} for events that you don't process in this function,
1448 %% otherwise menu shortcuts may cease to work under Windows.
1449 %%
1450 %% \wxheading{See also}
1451 %%
1452 %% \helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp
1453 %% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1454 %% \helpref{Event handling overview}{eventhandlingoverview}
1455 %%
1456 %% \membersection{wxWindow::OnKeyUp}\label{wxwindowonkeyup}
1457 %%
1458 %% \func{void}{OnKeyUp}{\param{wxKeyEvent\&}{ event}}
1459 %%
1460 %% Called when the user has released a key.
1461 %%
1462 %% \wxheading{Parameters}
1463 %%
1464 %% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1465 %% details about this class.}
1466 %%
1467 %% \wxheading{Remarks}
1468 %%
1469 %% This member function is called in response to a key up event. To intercept this event,
1470 %% use the EVT\_KEY\_UP macro in an event table definition. Your {\bf OnKeyUp} handler may call this
1471 %% default function to achieve default keypress functionality.
1472 %%
1473 %% Note that not all keypresses can be intercepted this way. If you wish to intercept special
1474 %% keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1475 %% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1476 %%
1477 %% Most, but not all, windows allow key up events to be intercepted.
1478 %%
1479 %% \wxheading{See also}
1480 %%
1481 %% \helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown},\rtfsp
1482 %% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1483 %% \helpref{Event handling overview}{eventhandlingoverview}
1484 %%
1485 %% \membersection{wxWindow::OnInitDialog}\label{wxwindowoninitdialog}
1486 %%
1487 %% \func{void}{OnInitDialog}{\param{wxInitDialogEvent\&}{ event}}
1488 %%
1489 %% Default handler for the wxEVT\_INIT\_DIALOG event. Calls \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow}.
1490 %%
1491 %% \wxheading{Parameters}
1492 %%
1493 %% \docparam{event}{Dialog initialisation event.}
1494 %%
1495 %% \wxheading{Remarks}
1496 %%
1497 %% Gives the window the default behaviour of transferring data to child controls via
1498 %% the validator that each control has.
1499 %%
1500 %% \wxheading{See also}
1501 %%
1502 %% \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow}
1503 %%
1504 %% \membersection{wxWindow::OnMenuCommand}\label{wxwindowonmenucommand}
1505 %%
1506 %% \func{void}{OnMenuCommand}{\param{wxCommandEvent\& }{event}}
1507 %%
1508 %% Called when a menu command is received from a menu bar.
1509 %%
1510 %% \wxheading{Parameters}
1511 %%
1512 %% \docparam{event}{The menu command event. For more information, see \helpref{wxCommandEvent}{wxcommandevent}.}
1513 %%
1514 %% \wxheading{Remarks}
1515 %%
1516 %% A function with this name doesn't actually exist; you can choose any member function to receive
1517 %% menu command events, using the EVT\_COMMAND macro for individual commands or EVT\_COMMAND\_RANGE for
1518 %% a range of commands.
1519 %%
1520 %% \wxheading{See also}
1521 %%
1522 %% \helpref{wxCommandEvent}{wxcommandevent},\rtfsp
1523 %% \helpref{wxWindow::OnMenuHighlight}{wxwindowonmenuhighlight},\rtfsp
1524 %% \helpref{Event handling overview}{eventhandlingoverview}
1525 %%
1526 %% \membersection{wxWindow::OnMenuHighlight}\label{wxwindowonmenuhighlight}
1527 %%
1528 %% \func{void}{OnMenuHighlight}{\param{wxMenuEvent\& }{event}}
1529 %%
1530 %% Called when a menu select is received from a menu bar: that is, the
1531 %% mouse cursor is over a menu item, but the left mouse button has not been
1532 %% pressed.
1533 %%
1534 %% \wxheading{Parameters}
1535 %%
1536 %% \docparam{event}{The menu highlight event. For more information, see \helpref{wxMenuEvent}{wxmenuevent}.}
1537 %%
1538 %% \wxheading{Remarks}
1539 %%
1540 %% You can choose any member function to receive
1541 %% menu select events, using the EVT\_MENU\_HIGHLIGHT macro for individual menu items or EVT\_MENU\_HIGHLIGHT\_ALL macro
1542 %% for all menu items.
1543 %%
1544 %% The default implementation for \helpref{wxFrame::OnMenuHighlight}{wxframeonmenuhighlight} displays help
1545 %% text in the first field of the status bar.
1546 %%
1547 %% This function was known as {\bf OnMenuSelect} in earlier versions of wxWindows, but this was confusing
1548 %% since a selection is normally a left-click action.
1549 %%
1550 %% \wxheading{See also}
1551 %%
1552 %% \helpref{wxMenuEvent}{wxmenuevent},\rtfsp
1553 %% \helpref{wxWindow::OnMenuCommand}{wxwindowonmenucommand},\rtfsp
1554 %% \helpref{Event handling overview}{eventhandlingoverview}
1555 %%
1556 %%
1557 %% \membersection{wxWindow::OnMouseEvent}\label{wxwindowonmouseevent}
1558 %%
1559 %% \func{void}{OnMouseEvent}{\param{wxMouseEvent\&}{ event}}
1560 %%
1561 %% Called when the user has initiated an event with the
1562 %% mouse.
1563 %%
1564 %% \wxheading{Parameters}
1565 %%
1566 %% \docparam{event}{The mouse event. See \helpref{wxMouseEvent}{wxmouseevent} for
1567 %% more details.}
1568 %%
1569 %% \wxheading{Remarks}
1570 %%
1571 %% Most, but not all, windows respond to this event.
1572 %%
1573 %% To intercept this event, use the EVT\_MOUSE\_EVENTS macro in an event table definition, or individual
1574 %% mouse event macros such as EVT\_LEFT\_DOWN.
1575 %%
1576 %% \wxheading{See also}
1577 %%
1578 %% \helpref{wxMouseEvent}{wxmouseevent},\rtfsp
1579 %% \helpref{Event handling overview}{eventhandlingoverview}
1580 %%
1581 %% \membersection{wxWindow::OnMove}\label{wxwindowonmove}
1582 %%
1583 %% \func{void}{OnMove}{\param{wxMoveEvent\& }{event}}
1584 %%
1585 %% Called when a window is moved.
1586 %%
1587 %% \wxheading{Parameters}
1588 %%
1589 %% \docparam{event}{The move event. For more information, see \helpref{wxMoveEvent}{wxmoveevent}.}
1590 %%
1591 %% \wxheading{Remarks}
1592 %%
1593 %% Use the EVT\_MOVE macro to intercept move events.
1594 %%
1595 %% \wxheading{Remarks}
1596 %%
1597 %% Not currently implemented.
1598 %%
1599 %% \wxheading{See also}
1600 %%
1601 %% \helpref{wxMoveEvent}{wxmoveevent},\rtfsp
1602 %% \helpref{wxFrame::OnSize}{wxframeonsize},\rtfsp
1603 %% \helpref{Event handling overview}{eventhandlingoverview}
1604 %%
1605 %% \membersection{wxWindow::OnPaint}\label{wxwindowonpaint}
1606 %%
1607 %% \func{void}{OnPaint}{\param{wxPaintEvent\& }{event}}
1608 %%
1609 %% Sent to the event handler when the window must be refreshed.
1610 %%
1611 %% \wxheading{Parameters}
1612 %%
1613 %% \docparam{event}{Paint event. For more information, see \helpref{wxPaintEvent}{wxpaintevent}.}
1614 %%
1615 %% \wxheading{Remarks}
1616 %%
1617 %% Use the EVT\_PAINT macro in an event table definition to intercept paint events.
1618 %%
1619 %% Note that In a paint event handler, the application must {\it always} create a \helpref{wxPaintDC}{wxpaintdc} object,
1620 %% even if you do not use it. Otherwise, under MS Windows, refreshing for this and other windows will go wrong.
1621 %%
1622 %% For example:
1623 %%
1624 %% \small{%
1625 %% \begin{verbatim}
1626 %% void MyWindow::OnPaint(wxPaintEvent\& event)
1627 %% {
1628 %% wxPaintDC dc(this);
1629 %%
1630 %% DrawMyDocument(dc);
1631 %% }
1632 %% \end{verbatim}
1633 %% }%
1634 %%
1635 %% You can optimize painting by retrieving the rectangles
1636 %% that have been damaged and only repainting these. The rectangles are in
1637 %% terms of the client area, and are unscrolled, so you will need to do
1638 %% some calculations using the current view position to obtain logical,
1639 %% scrolled units.
1640 %%
1641 %% Here is an example of using the \helpref{wxRegionIterator}{wxregioniterator} class:
1642 %%
1643 %% {\small%
1644 %% \begin{verbatim}
1645 %% // Called when window needs to be repainted.
1646 %% void MyWindow::OnPaint(wxPaintEvent\& event)
1647 %% {
1648 %% wxPaintDC dc(this);
1649 %%
1650 %% // Find Out where the window is scrolled to
1651 %% int vbX,vbY; // Top left corner of client
1652 %% GetViewStart(&vbX,&vbY);
1653 %%
1654 %% int vX,vY,vW,vH; // Dimensions of client area in pixels
1655 %% wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
1656 %%
1657 %% while (upd)
1658 %% {
1659 %% vX = upd.GetX();
1660 %% vY = upd.GetY();
1661 %% vW = upd.GetW();
1662 %% vH = upd.GetH();
1663 %%
1664 %% // Alternatively we can do this:
1665 %% // wxRect rect;
1666 %% // upd.GetRect(&rect);
1667 %%
1668 %% // Repaint this rectangle
1669 %% ...some code...
1670 %%
1671 %% upd ++ ;
1672 %% }
1673 %% }
1674 %% \end{verbatim}
1675 %% }%
1676 %%
1677 %% \wxheading{See also}
1678 %%
1679 %% \helpref{wxPaintEvent}{wxpaintevent},\rtfsp
1680 %% \helpref{wxPaintDC}{wxpaintdc},\rtfsp
1681 %% \helpref{Event handling overview}{eventhandlingoverview}
1682 %%
1683 %% \membersection{wxWindow::OnScroll}\label{wxwindowonscroll}
1684 %%
1685 %% \func{void}{OnScroll}{\param{wxScrollWinEvent\& }{event}}
1686 %%
1687 %% Called when a scroll window event is received from one of the window's built-in scrollbars.
1688 %%
1689 %% \wxheading{Parameters}
1690 %%
1691 %% \docparam{event}{Command event. Retrieve the new scroll position by
1692 %% calling \helpref{wxScrollEvent::GetPosition}{wxscrolleventgetposition}, and the
1693 %% scrollbar orientation by calling \helpref{wxScrollEvent::GetOrientation}{wxscrolleventgetorientation}.}
1694 %%
1695 %% \wxheading{Remarks}
1696 %%
1697 %% Note that it is not possible to distinguish between horizontal and vertical scrollbars
1698 %% until the function is executing (you can't have one function for vertical, another
1699 %% for horizontal events).
1700 %%
1701 %% \wxheading{See also}
1702 %%
1703 %% \helpref{wxScrollWinEvent}{wxscrollwinevent},\rtfsp
1704 %% \helpref{Event handling overview}{eventhandlingoverview}
1705 %%
1706 %% \membersection{wxWindow::OnSetFocus}\label{wxwindowonsetfocus}
1707 %%
1708 %% \func{void}{OnSetFocus}{\param{wxFocusEvent\& }{event}}
1709 %%
1710 %% Called when a window's focus is being set.
1711 %%
1712 %% \wxheading{Parameters}
1713 %%
1714 %% \docparam{event}{The focus event. For more information, see \helpref{wxFocusEvent}{wxfocusevent}.}
1715 %%
1716 %% \wxheading{Remarks}
1717 %%
1718 %% To intercept this event, use the macro EVT\_SET\_FOCUS in an event table definition.
1719 %%
1720 %% Most, but not all, windows respond to this event.
1721 %%
1722 %% \wxheading{See also}
1723 %%
1724 %% \helpref{wxFocusEvent}{wxfocusevent}, \helpref{wxWindow::OnKillFocus}{wxwindowonkillfocus},\rtfsp
1725 %% \helpref{Event handling overview}{eventhandlingoverview}
1726 %%
1727 %% \membersection{wxWindow::OnSize}\label{wxwindowonsize}
1728 %%
1729 %% \func{void}{OnSize}{\param{wxSizeEvent\& }{event}}
1730 %%
1731 %% Called when the window has been resized. This is not a virtual function; you should
1732 %% provide your own non-virtual OnSize function and direct size events to it using EVT\_SIZE
1733 %% in an event table definition.
1734 %%
1735 %% \wxheading{Parameters}
1736 %%
1737 %% \docparam{event}{Size event. For more information, see \helpref{wxSizeEvent}{wxsizeevent}.}
1738 %%
1739 %% \wxheading{Remarks}
1740 %%
1741 %% You may wish to use this for frames to resize their child windows as appropriate.
1742 %%
1743 %% Note that the size passed is of
1744 %% the whole window: call \helpref{wxWindow::GetClientSize}{wxwindowgetclientsize} for the area which may be
1745 %% used by the application.
1746 %%
1747 %% When a window is resized, usually only a small part of the window is damaged and you
1748 %% may only need to repaint that area. However, if your drawing depends on the size of the window,
1749 %% you may need to clear the DC explicitly and repaint the whole window. In which case, you
1750 %% may need to call \helpref{wxWindow::Refresh}{wxwindowrefresh} to invalidate the entire window.
1751 %%
1752 %% \wxheading{See also}
1753 %%
1754 %% \helpref{wxSizeEvent}{wxsizeevent},\rtfsp
1755 %% \helpref{Event handling overview}{eventhandlingoverview}
1756 %%
1757 %% \membersection{wxWindow::OnSysColourChanged}\label{wxwindowonsyscolourchanged}
1758 %%
1759 %% \func{void}{OnSysColourChanged}{\param{wxOnSysColourChangedEvent\& }{event}}
1760 %%
1761 %% Called when the user has changed the system colours. Windows only.
1762 %%
1763 %% \wxheading{Parameters}
1764 %%
1765 %% \docparam{event}{System colour change event. For more information, see \helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent}.}
1766 %%
1767 %% \wxheading{See also}
1768 %%
1769 %% \helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent},\rtfsp
1770 %% \helpref{Event handling overview}{eventhandlingoverview}
1771
1772 \membersection{wxWindow::OnInternalIdle}\label{wxwindowoninternalidle}
1773
1774 \func{virtual void}{OnInternalIdle}{\void}
1775
1776 This virtual function is normally only used internally, but
1777 sometimes an application may need it to implement functionality
1778 that should not be disabled by an application defining an OnIdle
1779 handler in a derived class.
1780
1781 This function may be used to do delayed painting, for example,
1782 and most implementations call \helpref{wxWindow::UpdateWindowUI}{wxwindowupdatewindowui}
1783 in order to send update events to the window in idle time.
1784
1785 \membersection{wxWindow::PageDown}\label{wxwindowpagedown}
1786
1787 This is just a wrapper for \helpref{ScrollPages()}{wxwindowscrollpages}$(1)$.
1788
1789 \membersection{wxWindow::PageUp}\label{wxwindowpageup}
1790
1791 This is just a wrapper for \helpref{ScrollPages()}{wxwindowscrollpages}$(-1)$.
1792
1793 \membersection{wxWindow::PopEventHandler}\label{wxwindowpopeventhandler}
1794
1795 \constfunc{wxEvtHandler*}{PopEventHandler}{\param{bool }{deleteHandler = {\tt false}}}
1796
1797 Removes and returns the top-most event handler on the event handler stack.
1798
1799 \wxheading{Parameters}
1800
1801 \docparam{deleteHandler}{If this is {\tt true}, the handler will be deleted after it is removed. The
1802 default value is {\tt false}.}
1803
1804 \wxheading{See also}
1805
1806 \helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
1807 \helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
1808 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
1809 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
1810 \helpref{wxEvtHandler}{wxevthandler}\rtfsp
1811
1812 \membersection{wxWindow::PopupMenu}\label{wxwindowpopupmenu}
1813
1814 \func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{const wxPoint\& }{pos}}
1815
1816 \func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{int }{x}, \param{int }{y}}
1817
1818 Pops up the given menu at the specified coordinates, relative to this
1819 window, and returns control when the user has dismissed the menu. If a
1820 menu item is selected, the corresponding menu event is generated and will be
1821 processed as usually.
1822
1823 \wxheading{Parameters}
1824
1825 \docparam{menu}{Menu to pop up.}
1826
1827 \docparam{pos}{The position where the menu will appear.}
1828
1829 \docparam{x}{Required x position for the menu to appear.}
1830
1831 \docparam{y}{Required y position for the menu to appear.}
1832
1833 \wxheading{See also}
1834
1835 \helpref{wxMenu}{wxmenu}
1836
1837 \wxheading{Remarks}
1838
1839 Just before the menu is popped up, \helpref{wxMenu::UpdateUI}{wxmenuupdateui} is called
1840 to ensure that the menu items are in the correct state. The menu does not get deleted
1841 by the window.
1842
1843 \pythonnote{In place of a single overloaded method name, wxPython
1844 implements the following methods:\par
1845 \indented{2cm}{\begin{twocollist}
1846 \twocolitem{{\bf PopupMenu(menu, point)}}{Specifies position with a wxPoint}
1847 \twocolitem{{\bf PopupMenuXY(menu, x, y)}}{Specifies position with two integers (x, y)}
1848 \end{twocollist}}
1849 }
1850
1851 \membersection{wxWindow::PushEventHandler}\label{wxwindowpusheventhandler}
1852
1853 \func{void}{PushEventHandler}{\param{wxEvtHandler* }{handler}}
1854
1855 Pushes this event handler onto the event stack for the window.
1856
1857 \wxheading{Parameters}
1858
1859 \docparam{handler}{Specifies the handler to be pushed.}
1860
1861 \wxheading{Remarks}
1862
1863 An event handler is an object that is capable of processing the events
1864 sent to a window. By default, the window is its own event handler, but
1865 an application may wish to substitute another, for example to allow
1866 central implementation of event-handling for a variety of different
1867 window classes.
1868
1869 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} allows
1870 an application to set up a chain of event handlers, where an event not handled by one event handler is
1871 handed to the next one in the chain. Use \helpref{wxWindow::PopEventHandler}{wxwindowpopeventhandler} to
1872 remove the event handler.
1873
1874 \wxheading{See also}
1875
1876 \helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
1877 \helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
1878 \helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
1879 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
1880 \helpref{wxEvtHandler}{wxevthandler}
1881
1882 \membersection{wxWindow::Raise}\label{wxwindowraise}
1883
1884 \func{void}{Raise}{\void}
1885
1886 Raises the window to the top of the window hierarchy if it is a managed window (dialog
1887 or frame).
1888
1889 \membersection{wxWindow::Refresh}\label{wxwindowrefresh}
1890
1891 \func{virtual void}{Refresh}{\param{bool}{ eraseBackground = {\tt true}}, \param{const wxRect* }{rect
1892 = NULL}}
1893
1894 Causes an event to be generated to repaint the
1895 window.
1896
1897 \wxheading{Parameters}
1898
1899 \docparam{eraseBackground}{If {\tt true}, the background will be
1900 erased.}
1901
1902 \docparam{rect}{If non-NULL, only the given rectangle will
1903 be treated as damaged.}
1904
1905 \wxheading{See also}
1906
1907 \helpref{wxWindow::RefreshRect}{wxwindowrefreshrect}
1908
1909 \membersection{wxWindow::RefreshRect}\label{wxwindowrefreshrect}
1910
1911 \func{void}{Refresh}{\param{const wxRect\& }{rect}}
1912
1913 Redraws the contents of the given rectangle: the area inside it will be
1914 repainted.
1915
1916 This is the same as \helpref{Refresh}{wxwindowrefresh} but has a nicer syntax.
1917
1918 \membersection{wxWindow::RegisterHotKey}\label{wxwindowregisterhotkey}
1919
1920 \func{bool}{RegisterHotKey}{\param{int}{ hotkeyId}, \param{int}{ modifiers}, \param{int}{ virtualKeyCode}}
1921
1922 Registers a system wide hotkey. Every time the user presses the hotkey registered here, this window
1923 will receive a hotkey event. It will receive the event even if the application is in the background
1924 and does not have the input focus because the user is working with some other application.
1925
1926 \wxheading{Parameters}
1927
1928 \docparam{hotkeyId}{Numeric identifier of the hotkey. For applications this must be between 0 and 0xBFFF. If
1929 this function is called from a shared DLL, it must be a system wide unique identifier between 0xC000 and 0xFFFF.
1930 This is a MSW specific detail.}
1931
1932 \docparam{modifiers}{A bitwise combination of {\tt wxMOD\_SHIFT}, {\tt wxMOD\_CONTROL}, {\tt wxMOD\_ALT}
1933 or {\tt wxMOD\_WIN} specifying the modifier keys that have to be pressed along with the key.}
1934
1935 \docparam{virtualKeyCode}{The virtual key code of the hotkey.}
1936
1937 \wxheading{Return value}
1938
1939 {\tt true} if the hotkey was registered successfully. {\tt false} if some other application already registered a
1940 hotkey with this modifier/virtualKeyCode combination.
1941
1942 \wxheading{Remarks}
1943
1944 Use EVT\_HOTKEY(hotkeyId, fnc) in the event table to capture the event.
1945 This function is currently only implemented under MSW.
1946
1947 \wxheading{See also}
1948
1949 \helpref{wxWindow::UnregisterHotKey}{wxwindowunregisterhotkey}
1950
1951 \membersection{wxWindow::ReleaseMouse}\label{wxwindowreleasemouse}
1952
1953 \func{virtual void}{ReleaseMouse}{\void}
1954
1955 Releases mouse input captured with \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse}.
1956
1957 \wxheading{See also}
1958
1959 \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse},
1960 \helpref{wxWindow::HasCapture}{wxwindowhascapture},
1961 \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse},
1962 \helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent}
1963
1964 \membersection{wxWindow::RemoveChild}\label{wxwindowremovechild}
1965
1966 \func{virtual void}{RemoveChild}{\param{wxWindow* }{child}}
1967
1968 Removes a child window. This is called automatically by window deletion
1969 functions so should not be required by the application programmer.
1970
1971 Notice that this function is mostly internal to wxWindows and shouldn't be
1972 called by the user code.
1973
1974 \wxheading{Parameters}
1975
1976 \docparam{child}{Child window to remove.}
1977
1978 \membersection{wxWindow::RemoveEventHandler}\label{wxwindowremoveeventhandler}
1979
1980 \func{bool}{RemoveEventHandler}{\param{wxEvtHandler *}{handler}}
1981
1982 Find the given {\it handler} in the windows event handler chain and remove (but
1983 not delete) it from it.
1984
1985 \wxheading{Parameters}
1986
1987 \docparam{handler}{The event handler to remove, must be non {\tt NULL} and
1988 must be present in this windows event handlers chain}
1989
1990 \wxheading{Return value}
1991
1992 Returns {\tt true} if it was found and {\tt false} otherwise (this also results
1993 in an assert failure so this function should only be called when the
1994 handler is supposed to be there).
1995
1996 \wxheading{See also}
1997
1998 \helpref{PushEventHandler}{wxwindowpusheventhandler},\rtfsp
1999 \helpref{PopEventHandler}{wxwindowpopeventhandler}
2000
2001 \membersection{wxWindow::Reparent}\label{wxwindowreparent}
2002
2003 \func{virtual bool}{Reparent}{\param{wxWindow* }{newParent}}
2004
2005 Reparents the window, i.e the window will be removed from its
2006 current parent window (e.g. a non-standard toolbar in a wxFrame)
2007 and then re-inserted into another. Available on Windows and GTK.
2008
2009 \wxheading{Parameters}
2010
2011 \docparam{newParent}{New parent.}
2012
2013 \membersection{wxWindow::ScreenToClient}\label{wxwindowscreentoclient}
2014
2015 \constfunc{virtual void}{ScreenToClient}{\param{int* }{x}, \param{int* }{y}}
2016
2017 \constfunc{virtual wxPoint}{ScreenToClient}{\param{const wxPoint\& }{pt}}
2018
2019 Converts from screen to client window coordinates.
2020
2021 \wxheading{Parameters}
2022
2023 \docparam{x}{Stores the screen x coordinate and receives the client x coordinate.}
2024
2025 \docparam{y}{Stores the screen x coordinate and receives the client x coordinate.}
2026
2027 \docparam{pt}{The screen position for the second form of the function.}
2028
2029 \pythonnote{In place of a single overloaded method name, wxPython
2030 implements the following methods:\par
2031 \indented{2cm}{\begin{twocollist}
2032 \twocolitem{{\bf ScreenToClient(point)}}{Accepts and returns a wxPoint}
2033 \twocolitem{{\bf ScreenToClientXY(x, y)}}{Returns a 2-tuple, (x, y)}
2034 \end{twocollist}}
2035 }
2036
2037 \membersection{wxWindow::ScrollLines}\label{wxwindowscrolllines}
2038
2039 \func{virtual bool}{ScrollLines}{\param{int }{lines}}
2040
2041 Scrolls the window by the given number of lines down (if {\it lines} is
2042 positive) or up.
2043
2044 \wxheading{Return value}
2045
2046 Returns {\tt true} if the window was scrolled, {\tt false} if it was already
2047 on top/bottom and nothing was done.
2048
2049 \wxheading{Remarks}
2050
2051 This function is currently only implemented under MSW and wxTextCtrl under
2052 wxGTK (it also works for wxScrolledWindow derived classes under all
2053 platforms).
2054
2055 \wxheading{See also}
2056
2057 \helpref{ScrollPages}{wxwindowscrollpages}
2058
2059 \membersection{wxWindow::ScrollPages}\label{wxwindowscrollpages}
2060
2061 \func{virtual bool}{ScrollPages}{\param{int }{pages}}
2062
2063 Scrolls the window by the given number of pages down (if {\it pages} is
2064 positive) or up.
2065
2066 \wxheading{Return value}
2067
2068 Returns {\tt true} if the window was scrolled, {\tt false} if it was already
2069 on top/bottom and nothing was done.
2070
2071 \wxheading{Remarks}
2072
2073 This function is currently only implemented under MSW and wxTextCtrl under
2074 wxGTK (it also works for wxScrolledWindow derived classes under all
2075 platforms).
2076
2077 \wxheading{See also}
2078
2079 \helpref{ScrollLines}{wxwindowscrolllines}
2080
2081 \membersection{wxWindow::ScrollWindow}\label{wxwindowscrollwindow}
2082
2083 \func{virtual void}{ScrollWindow}{\param{int }{dx}, \param{int }{dy}, \param{const wxRect*}{ rect = NULL}}
2084
2085 Physically scrolls the pixels in the window and move child windows accordingly.
2086
2087 \wxheading{Parameters}
2088
2089 \docparam{dx}{Amount to scroll horizontally.}
2090
2091 \docparam{dy}{Amount to scroll vertically.}
2092
2093 \docparam{rect}{Rectangle to invalidate. If this is NULL, the whole window is invalidated. If you
2094 pass a rectangle corresponding to the area of the window exposed by the scroll, your painting handler
2095 can optimize painting by checking for the invalidated region. This parameter is ignored under GTK.}
2096
2097 \wxheading{Remarks}
2098
2099 Use this function to optimise your scrolling implementations, to minimise the area that must be
2100 redrawn. Note that it is rarely required to call this function from a user program.
2101
2102 \membersection{wxWindow::SetAcceleratorTable}\label{wxwindowsetacceleratortable}
2103
2104 \func{virtual void}{SetAcceleratorTable}{\param{const wxAcceleratorTable\&}{ accel}}
2105
2106 Sets the accelerator table for this window. See \helpref{wxAcceleratorTable}{wxacceleratortable}.
2107
2108 \membersection{wxWindow::SetAccessible}\label{wxwindowsetaccessible}
2109
2110 \func{void}{SetAccessible}{\param{wxAccessibile*}{ accessible}}
2111
2112 Sets the accessible for this window. Any existing accessible for this window
2113 will be deleted first, if not identical to {\it accessible}.
2114
2115 See also \helpref{wxAccessible}{wxaccessible}.
2116
2117 \membersection{wxWindow::SetAutoLayout}\label{wxwindowsetautolayout}
2118
2119 \func{void}{SetAutoLayout}{\param{bool}{ autoLayout}}
2120
2121 Determines whether the \helpref{wxWindow::Layout}{wxwindowlayout} function will
2122 be called automatically when the window is resized. It is called implicitly by
2123 \helpref{wxWindow::SetSizer}{wxwindowsetsizer} but if you use
2124 \helpref{wxWindow::SetConstraints}{wxwindowsetconstraints} you should call it
2125 manually or otherwise the window layout won't be correctly updated when its
2126 size changes.
2127
2128 \wxheading{Parameters}
2129
2130 \docparam{autoLayout}{Set this to {\tt true} if you wish the Layout function to be called
2131 from within wxWindow::OnSize functions.}
2132
2133 \wxheading{See also}
2134
2135 \helpref{wxWindow::SetConstraints}{wxwindowsetconstraints}
2136
2137 \membersection{wxWindow::SetBackgroundColour}\label{wxwindowsetbackgroundcolour}
2138
2139 \func{virtual void}{SetBackgroundColour}{\param{const wxColour\& }{colour}}
2140
2141 Sets the background colour of the window.
2142
2143 \wxheading{Parameters}
2144
2145 \docparam{colour}{The colour to be used as the background colour.}
2146
2147 \wxheading{Remarks}
2148
2149 The background colour is usually painted by the default\rtfsp
2150 \helpref{wxEraseEvent}{wxeraseevent} event handler function
2151 under Windows and automatically under GTK.
2152
2153 Note that setting the background colour does not cause an immediate refresh, so you
2154 may wish to call \helpref{wxWindow::ClearBackground}{wxwindowclearbackground} or \helpref{wxWindow::Refresh}{wxwindowrefresh} after
2155 calling this function.
2156
2157 Use this function with care under GTK+ as the new appearance of the window might
2158 not look equally well when used with "Themes", i.e GTK+'s ability to change its
2159 look as the user wishes with run-time loadable modules.
2160
2161 \wxheading{See also}
2162
2163 \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour},\rtfsp
2164 \helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
2165 \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
2166 \helpref{wxWindow::ClearBackground}{wxwindowclearbackground},\rtfsp
2167 \helpref{wxWindow::Refresh}{wxwindowrefresh},\rtfsp
2168 \helpref{wxEraseEvent}{wxeraseevent}
2169
2170 \membersection{wxWindow::SetCaret}\label{wxwindowsetcaret}
2171
2172 \constfunc{void}{SetCaret}{\param{wxCaret *}{caret}}
2173
2174 Sets the \helpref{caret}{wxcaret} associated with the window.
2175
2176 \membersection{wxWindow::SetClientSize}\label{wxwindowsetclientsize}
2177
2178 \func{virtual void}{SetClientSize}{\param{int}{ width}, \param{int}{ height}}
2179
2180 \func{virtual void}{SetClientSize}{\param{const wxSize\&}{ size}}
2181
2182 This sets the size of the window client area in pixels. Using this function to size a window
2183 tends to be more device-independent than \helpref{wxWindow::SetSize}{wxwindowsetsize}, since the application need not
2184 worry about what dimensions the border or title bar have when trying to fit the window
2185 around panel items, for example.
2186
2187 \wxheading{Parameters}
2188
2189 \docparam{width}{The required client area width.}
2190
2191 \docparam{height}{The required client area height.}
2192
2193 \docparam{size}{The required client size.}
2194
2195 \pythonnote{In place of a single overloaded method name, wxPython
2196 implements the following methods:\par
2197 \indented{2cm}{\begin{twocollist}
2198 \twocolitem{{\bf SetClientSize(size)}}{Accepts a wxSize}
2199 \twocolitem{{\bf SetClientSizeWH(width, height)}}{}
2200 \end{twocollist}}
2201 }
2202
2203 \membersection{wxWindow::SetContainingSizer}\label{wxwindowsetcontainingsizer}
2204
2205 \func{void}{SetContainingSizer}{\param{wxSizer* }{sizer}}
2206
2207 This normally does not need to be called by user code. It is called
2208 when a window is added to a sizer, and is used so the window can
2209 remove itself from the sizer when it is destroyed.
2210
2211 \membersection{wxWindow::SetCursor}\label{wxwindowsetcursor}
2212
2213 \func{virtual void}{SetCursor}{\param{const wxCursor\&}{cursor}}
2214
2215 % VZ: the docs are correct, if the code doesn't behave like this, it must be
2216 % changed
2217 Sets the window's cursor. Notice that the window cursor also sets it for the
2218 children of the window implicitly.
2219
2220 The {\it cursor} may be {\tt wxNullCursor} in which case the window cursor will
2221 be reset back to default.
2222
2223 \wxheading{Parameters}
2224
2225 \docparam{cursor}{Specifies the cursor that the window should normally display.}
2226
2227 \wxheading{See also}
2228
2229 \helpref{::wxSetCursor}{wxsetcursor}, \helpref{wxCursor}{wxcursor}
2230
2231 \membersection{wxWindow::SetConstraints}\label{wxwindowsetconstraints}
2232
2233 \func{void}{SetConstraints}{\param{wxLayoutConstraints* }{constraints}}
2234
2235 Sets the window to have the given layout constraints. The window
2236 will then own the object, and will take care of its deletion.
2237 If an existing layout constraints object is already owned by the
2238 window, it will be deleted.
2239
2240 \wxheading{Parameters}
2241
2242 \docparam{constraints}{The constraints to set. Pass NULL to disassociate and delete the window's
2243 constraints.}
2244
2245 \wxheading{Remarks}
2246
2247 You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use
2248 the constraints automatically in OnSize; otherwise, you must override OnSize and call Layout()
2249 explicitly. When setting both a wxLayoutConstraints and a \helpref{wxSizer}{wxsizer}, only the
2250 sizer will have effect.
2251
2252 \membersection{wxWindow::SetDropTarget}\label{wxwindowsetdroptarget}
2253
2254 \func{void}{SetDropTarget}{\param{wxDropTarget*}{ target}}
2255
2256 Associates a drop target with this window.
2257
2258 If the window already has a drop target, it is deleted.
2259
2260 \wxheading{See also}
2261
2262 \helpref{wxWindow::GetDropTarget}{wxwindowgetdroptarget},
2263 \helpref{Drag and drop overview}{wxdndoverview}
2264
2265
2266 \membersection{wxWindow::SetEventHandler}\label{wxwindowseteventhandler}
2267
2268 \func{void}{SetEventHandler}{\param{wxEvtHandler* }{handler}}
2269
2270 Sets the event handler for this window.
2271
2272 \wxheading{Parameters}
2273
2274 \docparam{handler}{Specifies the handler to be set.}
2275
2276 \wxheading{Remarks}
2277
2278 An event handler is an object that is capable of processing the events
2279 sent to a window. By default, the window is its own event handler, but
2280 an application may wish to substitute another, for example to allow
2281 central implementation of event-handling for a variety of different
2282 window classes.
2283
2284 It is usually better to use \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} since
2285 this sets up a chain of event handlers, where an event not handled by one event handler is
2286 handed to the next one in the chain.
2287
2288 \wxheading{See also}
2289
2290 \helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
2291 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
2292 \helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
2293 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
2294 \helpref{wxEvtHandler}{wxevthandler}
2295
2296 \membersection{wxWindow::SetExtraStyle}\label{wxwindowsetextrastyle}
2297
2298 \func{void}{SetExtraStyle}{\param{long }{exStyle}}
2299
2300 Sets the extra style bits for the window. The currently defined extra style
2301 bits are:
2302
2303 \twocolwidtha{5cm}%
2304 \begin{twocollist}\itemsep=0pt
2305 \twocolitem{\windowstyle{wxWS\_EX\_VALIDATE\_RECURSIVELY}}{TransferDataTo/FromWindow()
2306 and Validate() methods will recursively descend into all children of the
2307 window if it has this style flag set.}
2308 \twocolitem{\windowstyle{wxWS\_EX\_BLOCK\_EVENTS}}{Normally, the command
2309 events are propagated upwards to the window parent recursively until a handler
2310 for them is found. Using this style allows to prevent them from being
2311 propagated beyond this window. Notice that wxDialog has this style on by
2312 default for the reasons explained in the
2313 \helpref{event processing overview}{eventprocessing}.}
2314 \twocolitem{\windowstyle{wxWS\_EX\_TRANSIENT}}{This can be used to prevent a
2315 window from being used as an implicit parent for the dialogs which were
2316 created without a parent. It is useful for the windows which can disappear at
2317 any moment as creating children of such windows results in fatal problems.}
2318 \twocolitem{\windowstyle{wxFRAME\_EX\_CONTEXTHELP}}{Under Windows, puts a query button on the
2319 caption. When pressed, Windows will go into a context-sensitive help mode and wxWindows will send
2320 a wxEVT\_HELP event if the user clicked on an application window.
2321 This style cannot be used together with wxMAXIMIZE\_BOX or wxMINIMIZE\_BOX, so
2322 you should use the style of
2323 {\tt wxDEFAULT\_FRAME\_STYLE \& \textasciitilde(wxMINIMIZE\_BOX | wxMAXIMIZE\_BOX)} for the
2324 frames having this style (the dialogs don't have minimize nor maximize box by
2325 default)}
2326 \twocolitem{\windowstyle{wxWS\_EX\_PROCESS\_IDLE}}{This window should always process idle events, even
2327 if the mode set by \helpref{wxIdleEvent::SetMode}{wxidleeventsetmode} is wxIDLE\_PROCESS\_SPECIFIED.}
2328 \twocolitem{\windowstyle{wxWS\_EX\_PROCESS\_UI\_UPDATES}}{This window should always process UI update events,
2329 even if the mode set by \helpref{wxUpdateUIEvent::SetMode}{wxupdateuieventsetmode} is wxUPDATE\_UI\_PROCESS\_SPECIFIED.}
2330 \end{twocollist}
2331
2332 \membersection{wxWindow::SetFocus}\label{wxwindowsetfocus}
2333
2334 \func{virtual void}{SetFocus}{\void}
2335
2336 This sets the window to receive keyboard input.
2337
2338 \wxheading{See also}
2339
2340 \helpref{wxFocusEvent}{wxfocusevent}
2341
2342 \membersection{wxWindow::SetFocusFromKbd}\label{wxwindowsetfocusfromkbd}
2343
2344 \func{virtual void}{SetFocusFromKbd}{\void}
2345
2346 This function is called by wxWindows keyboard navigation code when the user
2347 gives the focus to this window from keyboard (e.g. using {\tt TAB} key).
2348 By default this method simply calls \helpref{SetFocus}{wxwindowsetfocus} but
2349 can be overridden to do something in addition to this in the derived classes.
2350
2351 \membersection{wxWindow::SetFont}\label{wxwindowsetfont}
2352
2353 \func{void}{SetFont}{\param{const wxFont\& }{font}}
2354
2355 Sets the font for this window.
2356
2357 \wxheading{Parameters}
2358
2359 \docparam{font}{Font to associate with this window.}
2360
2361 \wxheading{See also}
2362
2363 \helpref{wxWindow::GetFont}{wxwindowgetfont}
2364
2365 \membersection{wxWindow::SetForegroundColour}\label{wxwindowsetforegroundcolour}
2366
2367 \func{virtual void}{SetForegroundColour}{\param{const wxColour\& }{colour}}
2368
2369 Sets the foreground colour of the window.
2370
2371 \wxheading{Parameters}
2372
2373 \docparam{colour}{The colour to be used as the foreground colour.}
2374
2375 \wxheading{Remarks}
2376
2377 The interpretation of foreground colour is open to interpretation according
2378 to the window class; it may be the text colour or other colour, or it may not
2379 be used at all.
2380
2381 Note that when using this functions under GTK, you will disable the so called "themes",
2382 i.e. the user chosen appearance of windows and controls, including the themes of
2383 their parent windows.
2384
2385 \wxheading{See also}
2386
2387 \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
2388 \helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
2389 \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour}
2390
2391 \membersection{wxWindow::SetHelpText}\label{wxwindowsethelptext}
2392
2393 \func{virtual void}{SetHelpText}{\param{const wxString\& }{helpText}}
2394
2395 Sets the help text to be used as context-sensitive help for this window.
2396
2397 Note that the text is actually stored by the current \helpref{wxHelpProvider}{wxhelpprovider} implementation,
2398 and not in the window object itself.
2399
2400 \wxheading{See also}
2401
2402 \helpref{GetHelpText}{wxwindowgethelptext}, \helpref{wxHelpProvider}{wxhelpprovider}
2403
2404 \membersection{wxWindow::SetId}\label{wxwindowsetid}
2405
2406 \func{void}{SetId}{\param{int}{ id}}
2407
2408 Sets the identifier of the window.
2409
2410 \wxheading{Remarks}
2411
2412 Each window has an integer identifier. If the application has not provided one,
2413 an identifier will be generated. Normally, the identifier should be provided
2414 on creation and should not be modified subsequently.
2415
2416 \wxheading{See also}
2417
2418 \helpref{wxWindow::GetId}{wxwindowgetid},\rtfsp
2419 \helpref{Window identifiers}{windowids}
2420
2421
2422 \membersection{wxWindow::SetName}\label{wxwindowsetname}
2423
2424 \func{virtual void}{SetName}{\param{const wxString\& }{name}}
2425
2426 Sets the window's name.
2427
2428 \wxheading{Parameters}
2429
2430 \docparam{name}{A name to set for the window.}
2431
2432 \wxheading{See also}
2433
2434 \helpref{wxWindow::GetName}{wxwindowgetname}
2435
2436 \membersection{wxWindow::SetPalette}\label{wxwindowsetpalette}
2437
2438 \func{virtual void}{SetPalette}{\param{wxPalette* }{palette}}
2439
2440 Obsolete - use \helpref{wxDC::SetPalette}{wxdcsetpalette} instead.
2441
2442 \membersection{wxWindow::SetScrollbar}\label{wxwindowsetscrollbar}
2443
2444 \func{virtual void}{SetScrollbar}{\param{int }{orientation}, \param{int }{position},\rtfsp
2445 \param{int }{thumbSize}, \param{int }{range},\rtfsp
2446 \param{bool }{refresh = {\tt true}}}
2447
2448 Sets the scrollbar properties of a built-in scrollbar.
2449
2450 \wxheading{Parameters}
2451
2452 \docparam{orientation}{Determines the scrollbar whose page size is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2453
2454 \docparam{position}{The position of the scrollbar in scroll units.}
2455
2456 \docparam{thumbSize}{The size of the thumb, or visible portion of the scrollbar, in scroll units.}
2457
2458 \docparam{range}{The maximum position of the scrollbar.}
2459
2460 \docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
2461
2462 \wxheading{Remarks}
2463
2464 Let's say you wish to display 50 lines of text, using the same font.
2465 The window is sized so that you can only see 16 lines at a time.
2466
2467 You would use:
2468
2469 {\small%
2470 \begin{verbatim}
2471 SetScrollbar(wxVERTICAL, 0, 16, 50);
2472 \end{verbatim}
2473 }
2474
2475 Note that with the window at this size, the thumb position can never go
2476 above 50 minus 16, or 34.
2477
2478 You can determine how many lines are currently visible by dividing the current view
2479 size by the character height in pixels.
2480
2481 When defining your own scrollbar behaviour, you will always need to recalculate
2482 the scrollbar settings when the window size changes. You could therefore put your
2483 scrollbar calculations and SetScrollbar
2484 call into a function named AdjustScrollbars, which can be called initially and also
2485 from your \helpref{wxSizeEvent}{wxsizeevent} handler function.
2486
2487 \wxheading{See also}
2488
2489 \helpref{Scrolling overview}{scrollingoverview},\rtfsp
2490 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2491
2492 \begin{comment}
2493
2494 \membersection{wxWindow::SetScrollPage}\label{wxwindowsetscrollpage}
2495
2496 \func{virtual void}{SetScrollPage}{\param{int }{orientation}, \param{int }{pageSize}, \param{bool }{refresh = {\tt true}}}
2497
2498 Sets the page size of one of the built-in scrollbars.
2499
2500 \wxheading{Parameters}
2501
2502 \docparam{orientation}{Determines the scrollbar whose page size is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2503
2504 \docparam{pageSize}{Page size in scroll units.}
2505
2506 \docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
2507
2508 \wxheading{Remarks}
2509
2510 The page size of a scrollbar is the number of scroll units that the scroll thumb travels when you
2511 click on the area above/left of or below/right of the thumb. Normally you will want a whole visible
2512 page to be scrolled, i.e. the size of the current view (perhaps the window client size). This
2513 value has to be adjusted when the window is resized, since the page size will have changed.
2514
2515 In addition to specifying how far the scroll thumb travels when paging, in Motif and some versions of Windows
2516 the thumb changes size to reflect the page size relative to the length of the document. When the
2517 document size is only slightly bigger than the current view (window) size, almost all of the scrollbar
2518 will be taken up by the thumb. When the two values become the same, the scrollbar will (on some systems)
2519 disappear.
2520
2521 Currently, this function should be called before SetPageRange, because of a quirk in the Windows
2522 handling of pages and ranges.
2523
2524 \wxheading{See also}
2525
2526 \helpref{wxWindow::SetScrollPos}{wxwindowsetscrollpos},\rtfsp
2527 \helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
2528 \helpref{wxWindow::GetScrollPage}{wxwindowsetscrollpage},\rtfsp
2529 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2530 \end{comment}
2531
2532 \membersection{wxWindow::SetScrollPos}\label{wxwindowsetscrollpos}
2533
2534 \func{virtual void}{SetScrollPos}{\param{int }{orientation}, \param{int }{pos}, \param{bool }{refresh = {\tt true}}}
2535
2536 Sets the position of one of the built-in scrollbars.
2537
2538 \wxheading{Parameters}
2539
2540 \docparam{orientation}{Determines the scrollbar whose position is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2541
2542 \docparam{pos}{Position in scroll units.}
2543
2544 \docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
2545
2546 \wxheading{Remarks}
2547
2548 This function does not directly affect the contents of the window: it is up to the
2549 application to take note of scrollbar attributes and redraw contents accordingly.
2550
2551 \wxheading{See also}
2552
2553 \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar},\rtfsp
2554 \helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
2555 \helpref{wxWindow::GetScrollThumb}{wxwindowgetscrollthumb},\rtfsp
2556 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2557
2558 \begin{comment}
2559
2560 \membersection{wxWindow::SetScrollRange}\label{wxwindowsetscrollrange}
2561
2562 \func{virtual void}{SetScrollRange}{\param{int }{orientation}, \param{int }{range}, \param{bool }{refresh = {\tt true}}}
2563
2564 Sets the range of one of the built-in scrollbars.
2565
2566 \wxheading{Parameters}
2567
2568 \docparam{orientation}{Determines the scrollbar whose range is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2569
2570 \docparam{range}{Scroll range.}
2571
2572 \docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
2573
2574 \wxheading{Remarks}
2575
2576 The range of a scrollbar is the number of steps that the thumb may travel, rather than the total
2577 object length of the scrollbar. If you are implementing a scrolling window, for example, you
2578 would adjust the scroll range when the window is resized, by subtracting the window view size from the
2579 total virtual window size. When the two sizes are the same (all the window is visible), the range goes to zero
2580 and usually the scrollbar will be automatically hidden.
2581
2582 \wxheading{See also}
2583
2584 \helpref{wxWindow::SetScrollPos}{wxwindowsetscrollpos},\rtfsp
2585 \helpref{wxWindow::SetScrollPage}{wxwindowsetscrollpage},\rtfsp
2586 \helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
2587 \helpref{wxWindow::GetScrollPage}{wxwindowsetscrollpage},\rtfsp
2588 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2589 \end{comment}
2590
2591 \membersection{wxWindow::SetSize}\label{wxwindowsetsize}
2592
2593 \func{virtual void}{SetSize}{\param{int}{ x}, \param{int}{ y}, \param{int}{ width}, \param{int}{ height},
2594 \param{int}{ sizeFlags = wxSIZE\_AUTO}}
2595
2596 \func{virtual void}{SetSize}{\param{const wxRect\&}{ rect}}
2597
2598 Sets the size and position of the window in pixels.
2599
2600 \func{virtual void}{SetSize}{\param{int}{ width}, \param{int}{ height}}
2601
2602 \func{virtual void}{SetSize}{\param{const wxSize\&}{ size}}
2603
2604 Sets the size of the window in pixels.
2605
2606 \wxheading{Parameters}
2607
2608 \docparam{x}{Required x position in pixels, or -1 to indicate that the existing
2609 value should be used.}
2610
2611 \docparam{y}{Required y position in pixels, or -1 to indicate that the existing
2612 value should be used.}
2613
2614 \docparam{width}{Required width in pixels, or -1 to indicate that the existing
2615 value should be used.}
2616
2617 \docparam{height}{Required height position in pixels, or -1 to indicate that the existing
2618 value should be used.}
2619
2620 \docparam{size}{\helpref{wxSize}{wxsize} object for setting the size.}
2621
2622 \docparam{rect}{\helpref{wxRect}{wxrect} object for setting the position and size.}
2623
2624 \docparam{sizeFlags}{Indicates the interpretation of other parameters. It is a bit list of the following:
2625
2626 {\bf wxSIZE\_AUTO\_WIDTH}: a -1 width value is taken to indicate
2627 a wxWindows-supplied default width.\\
2628 {\bf wxSIZE\_AUTO\_HEIGHT}: a -1 height value is taken to indicate
2629 a wxWindows-supplied default width.\\
2630 {\bf wxSIZE\_AUTO}: -1 size values are taken to indicate
2631 a wxWindows-supplied default size.\\
2632 {\bf wxSIZE\_USE\_EXISTING}: existing dimensions should be used
2633 if -1 values are supplied.\\
2634 {\bf wxSIZE\_ALLOW\_MINUS\_ONE}: allow dimensions of -1 and less to be interpreted
2635 as real dimensions, not default values.
2636 }
2637
2638 \wxheading{Remarks}
2639
2640 The second form is a convenience for calling the first form with default
2641 x and y parameters, and must be used with non-default width and height values.
2642
2643 The first form sets the position and optionally size, of the window.
2644 Parameters may be -1 to indicate either that a default should be supplied
2645 by wxWindows, or that the current value of the dimension should be used.
2646
2647 \wxheading{See also}
2648
2649 \helpref{wxWindow::Move}{wxwindowmove}
2650
2651 \pythonnote{In place of a single overloaded method name, wxPython
2652 implements the following methods:\par
2653 \indented{2cm}{\begin{twocollist}
2654 \twocolitem{{\bf SetDimensions(x, y, width, height, sizeFlags=wxSIZE\_AUTO)}}{}
2655 \twocolitem{{\bf SetSize(size)}}{}
2656 \twocolitem{{\bf SetPosition(point)}}{}
2657 \end{twocollist}}
2658 }
2659
2660 \membersection{wxWindow::SetSizeHints}\label{wxwindowsetsizehints}
2661
2662 \func{virtual void}{SetSizeHints}{\param{int}{ minW=-1}, \param{int}{ minH=-1}, \param{int}{ maxW=-1}, \param{int}{ maxH=-1},
2663 \param{int}{ incW=-1}, \param{int}{ incH=-1}}
2664
2665 Allows specification of minimum and maximum window sizes, and window size increments.
2666 If a pair of values is not set (or set to -1), the default values will be used.
2667
2668 \wxheading{Parameters}
2669
2670 \docparam{minW}{Specifies the minimum width allowable.}
2671
2672 \docparam{minH}{Specifies the minimum height allowable.}
2673
2674 \docparam{maxW}{Specifies the maximum width allowable.}
2675
2676 \docparam{maxH}{Specifies the maximum height allowable.}
2677
2678 \docparam{incW}{Specifies the increment for sizing the width (Motif/Xt only).}
2679
2680 \docparam{incH}{Specifies the increment for sizing the height (Motif/Xt only).}
2681
2682 \wxheading{Remarks}
2683
2684 If this function is called, the user will not be able to size the window outside the
2685 given bounds.
2686
2687 The resizing increments are only significant under Motif or Xt.
2688
2689 \membersection{wxWindow::SetSizer}\label{wxwindowsetsizer}
2690
2691 \func{void}{SetSizer}{\param{wxSizer* }{sizer}, \param{bool }{deleteOld=true}}
2692
2693 Sets the window to have the given layout sizer. The window
2694 will then own the object, and will take care of its deletion.
2695 If an existing layout constraints object is already owned by the
2696 window, it will be deleted if the deleteOld parameter is true.
2697
2698 Note that this function will also call
2699 \helpref{SetAutoLayout}{wxwindowsetautolayout} implicitly with {\tt true}
2700 parameter if the {\it sizer}\/ is non-NULL and {\tt false} otherwise.
2701
2702 \wxheading{Parameters}
2703
2704 \docparam{sizer}{The sizer to set. Pass NULL to disassociate and conditionally delete
2705 the window's sizer. See below.}
2706
2707 \docparam{deleteOld}{If true (the default), this will delete any prexisting sizer.
2708 Pass false if you wish to handle deleting the old sizer yourself.}
2709
2710 \wxheading{Remarks}
2711
2712 SetSizer now enables and disables Layout automatically, but prior to wxWindows 2.3.3
2713 the following applied:
2714
2715 You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use
2716 the sizer automatically in OnSize; otherwise, you must override OnSize and call Layout()
2717 explicitly. When setting both a wxSizer and a \helpref{wxLayoutConstraints}{wxlayoutconstraints},
2718 only the sizer will have effect.
2719
2720 \membersection{wxWindow::SetSizerAndFit}\label{wxwindowsetsizerandfit}
2721
2722 \func{void}{SetSizerAndFit}{\param{wxSizer* }{sizer}, \param{bool }{deleteOld=true}}
2723
2724 The same as \helpref{SetSizer}{wxwindowsetsizer}, except it also sets the size hints
2725 for the window based on the sizer's minimum size.
2726
2727 \membersection{wxWindow::SetTitle}\label{wxwindowsettitle}
2728
2729 \func{virtual void}{SetTitle}{\param{const wxString\& }{title}}
2730
2731 Sets the window's title. Applicable only to frames and dialogs.
2732
2733 \wxheading{Parameters}
2734
2735 \docparam{title}{The window's title.}
2736
2737 \wxheading{See also}
2738
2739 \helpref{wxWindow::GetTitle}{wxwindowgettitle}
2740
2741 \membersection{wxWindow::SetThemeEnabled}\label{wxwindowsetthemeenabled}
2742
2743 \func{virtual void}{SetThemeEnabled}{\param{bool }{enable}}
2744
2745 This function tells a window if it should use the system's "theme" code
2746 to draw the windows' background instead if its own background drawing
2747 code. This does not always have any effect since the underlying platform
2748 obviously needs to support the notion of themes in user defined windows.
2749 One such platform is GTK+ where windows can have (very colourful) backgrounds
2750 defined by a user's selected theme.
2751
2752 Dialogs, notebook pages and the status bar have this flag set to true
2753 by default so that the default look and feel is simulated best.
2754
2755 \membersection{wxWindow::SetToolTip}\label{wxwindowsettooltip}
2756
2757 \func{void}{SetToolTip}{\param{const wxString\& }{tip}}
2758
2759 \func{void}{SetToolTip}{\param{wxToolTip* }{tip}}
2760
2761 Attach a tooltip to the window.
2762
2763 See also: \helpref{GetToolTip}{wxwindowgettooltip},
2764 \helpref{wxToolTip}{wxtooltip}
2765
2766 \membersection{wxWindow::SetValidator}\label{wxwindowsetvalidator}
2767
2768 \func{virtual void}{SetValidator}{\param{const wxValidator\&}{ validator}}
2769
2770 Deletes the current validator (if any) and sets the window validator, having called wxValidator::Clone to
2771 create a new validator of this type.
2772
2773 \membersection{wxWindow::SetVirtualSize}\label{wxwindowsetvirtualsize}
2774
2775 \func{void}{SetVirtualSize}{\param{int}{ width}, \param{int}{ height}}
2776
2777 \func{void}{SetVirtualSize}{\param{const wxSize\&}{ size}}
2778
2779 Sets the virtual size of the window in pixels.
2780
2781 \membersection{wxWindow::SetVirtualSizeHints}\label{wxwindowsetvirtualsizehints}
2782
2783 \func{virtual void}{SetVirtualSizeHints}{\param{int}{ minW},\param{int}{ minH}, \param{int}{ maxW=-1}, \param{int}{ maxH=-1}}
2784
2785 Allows specification of minimum and maximum virtual window sizes.
2786 If a pair of values is not set (or set to -1), the default values
2787 will be used.
2788
2789 \wxheading{Parameters}
2790
2791 \docparam{minW}{Specifies the minimum width allowable.}
2792
2793 \docparam{minH}{Specifies the minimum height allowable.}
2794
2795 \docparam{maxW}{Specifies the maximum width allowable.}
2796
2797 \docparam{maxH}{Specifies the maximum height allowable.}
2798
2799 \wxheading{Remarks}
2800
2801 If this function is called, the user will not be able to size the virtual area
2802 of the window outside the given bounds.
2803
2804 \membersection{wxWindow::SetWindowStyle}\label{wxwindowsetwindowstyle}
2805
2806 \func{void}{SetWindowStyle}{\param{long}{ style}}
2807
2808 Identical to \helpref{SetWindowStyleFlag}{wxwindowsetwindowstyleflag}.
2809
2810 \membersection{wxWindow::SetWindowStyleFlag}\label{wxwindowsetwindowstyleflag}
2811
2812 \func{virtual void}{SetWindowStyleFlag}{\param{long}{ style}}
2813
2814 Sets the style of the window. Please note that some styles cannot be changed
2815 after the window creation and that \helpref{Refresh()}{wxwindowrefresh} might
2816 be called after changing the others for the change to take place immediately.
2817
2818 See \helpref{Window styles}{windowstyles} for more information about flags.
2819
2820 \wxheading{See also}
2821
2822 \helpref{GetWindowStyleFlag}{wxwindowgetwindowstyleflag}
2823
2824
2825 \membersection{wxWindow::Show}\label{wxwindowshow}
2826
2827 \func{virtual bool}{Show}{\param{bool}{ show = {\tt true}}}
2828
2829 Shows or hides the window. You may need to call \helpref{Raise}{wxwindowraise}
2830 for a top level window if you want to bring it to top, although this is not
2831 needed if Show() is called immediately after the frame creation.
2832
2833 \wxheading{Parameters}
2834
2835 \docparam{show}{If {\tt true} displays the window. Otherwise, hides it.}
2836
2837 \wxheading{Return value}
2838
2839 {\tt true} if the window has been shown or hidden or {\tt false} if nothing was
2840 done because it already was in the requested state.
2841
2842 \wxheading{See also}
2843
2844 \helpref{wxWindow::IsShown}{wxwindowisshown}
2845
2846
2847 \membersection{wxWindow::Thaw}\label{wxwindowthaw}
2848
2849 \func{virtual void}{Thaw}{\void}
2850
2851 Reenables window updating after a previous call to
2852 \helpref{Freeze}{wxwindowfreeze}.
2853
2854 \membersection{wxWindow::TransferDataFromWindow}\label{wxwindowtransferdatafromwindow}
2855
2856 \func{virtual bool}{TransferDataFromWindow}{\void}
2857
2858 Transfers values from child controls to data areas specified by their validators. Returns
2859 {\tt false} if a transfer failed.
2860
2861 If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2862 the method will also call TransferDataFromWindow() of all child windows.
2863
2864 \wxheading{See also}
2865
2866 \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow},\rtfsp
2867 \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::Validate}{wxwindowvalidate}
2868
2869 \membersection{wxWindow::TransferDataToWindow}\label{wxwindowtransferdatatowindow}
2870
2871 \func{virtual bool}{TransferDataToWindow}{\void}
2872
2873 Transfers values to child controls from data areas specified by their validators.
2874
2875 If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2876 the method will also call TransferDataToWindow() of all child windows.
2877
2878 \wxheading{Return value}
2879
2880 Returns {\tt false} if a transfer failed.
2881
2882 \wxheading{See also}
2883
2884 \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2885 \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::Validate}{wxwindowvalidate}
2886
2887 \membersection{wxWindow::UnregisterHotKey}\label{wxwindowunregisterhotkey}
2888
2889 \func{bool}{UnregisterHotKey}{\param{int}{ hotkeyId}}
2890
2891 Unregisters a system wide hotkey.
2892
2893 \wxheading{Parameters}
2894
2895 \docparam{hotkeyId}{Numeric identifier of the hotkey. Must be the same id that was passed to RegisterHotKey.}
2896
2897 \wxheading{Return value}
2898
2899 {\tt true} if the hotkey was unregistered successfully, {\tt false} if the id was invalid.
2900
2901 \wxheading{Remarks}
2902
2903 This function is currently only implemented under MSW.
2904
2905 \wxheading{See also}
2906
2907 \helpref{wxWindow::RegisterHotKey}{wxwindowregisterhotkey}
2908
2909 \membersection{wxWindow::Update}\label{wxwindowupdate}
2910
2911 \func{virtual void}{Update}{\void}
2912
2913 Calling this method immediately repaints the invalidated area of the window
2914 while this would usually only happen when the flow of control returns to the
2915 event loop. Notice that this function doesn't refresh the window and does
2916 nothing if the window hadn't been already repainted. Use
2917 \helpref{Refresh}{wxwindowrefresh} first if you want to immediately redraw the
2918 window unconditionally.
2919
2920 \membersection{wxWindow::UpdateWindowUI}\label{wxwindowupdatewindowui}
2921
2922 \func{virtual void}{UpdateWindowUI}{\param{long}{ flags = wxUPDATE\_UI\_NONE}}
2923
2924 This function sends \helpref{wxUpdateUIEvents}{wxupdateuievent} to
2925 the window. The particular implementation depends on the window; for
2926 example a wxToolBar will send an update UI event for each toolbar button,
2927 and a wxFrame will send an update UI event for each menubar menu item.
2928 You can call this function from your application to ensure that your
2929 UI is up-to-date at this point (as far as your wxUpdateUIEvent handlers
2930 are concerned). This may be necessary if you have called
2931 \helpref{wxUpdateUIEvent::SetMode}{wxupdateuieventsetmode} or
2932 \helpref{wxUpdateUIEvent::SetUpdateInterval}{wxupdateuieventsetupdateinterval} to
2933 limit the overhead that wxWindows incurs by sending update UI events in idle time.
2934
2935 {\it flags} should be a bitlist of one or more of the following values.
2936
2937 \begin{verbatim}
2938 enum wxUpdateUI
2939 {
2940 wxUPDATE_UI_NONE = 0x0000, // No particular value
2941 wxUPDATE_UI_RECURSE = 0x0001, // Call the function for descendants
2942 wxUPDATE_UI_FROMIDLE = 0x0002 // Invoked from On(Internal)Idle
2943 };
2944 \end{verbatim}
2945
2946 If you are calling this function from an OnInternalIdle or OnIdle
2947 function, make sure you pass the wxUPDATE\_UI\_FROMIDLE flag, since
2948 this tells the window to only update the UI elements that need
2949 to be updated in idle time. Some windows update their elements
2950 only when necessary, for example when a menu is about to be shown.
2951 The following is an example of how to call UpdateWindowUI from
2952 an idle function.
2953
2954 \begin{verbatim}
2955 void MyWindow::OnInternalIdle()
2956 {
2957 if (wxUpdateUIEvent::CanUpdate(this))
2958 UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
2959 }
2960 \end{verbatim}
2961
2962 \wxheading{See also}
2963
2964 \helpref{wxUpdateUIEvent}{wxupdateuievent},
2965 \helpref{wxWindow::DoUpdateWindowUI}{wxwindowdoupdatewindowui},
2966 \helpref{wxWindow::OnInternalIdle}{wxwindowoninternalidle}
2967
2968 \membersection{wxWindow::Validate}\label{wxwindowvalidate}
2969
2970 \func{virtual bool}{Validate}{\void}
2971
2972 Validates the current values of the child controls using their validators.
2973
2974 If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2975 the method will also call Validate() of all child windows.
2976
2977 \wxheading{Return value}
2978
2979 Returns {\tt false} if any of the validations failed.
2980
2981 \wxheading{See also}
2982
2983 \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2984 \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2985 \helpref{wxValidator}{wxvalidator}
2986
2987 \membersection{wxWindow::WarpPointer}\label{wxwindowwarppointer}
2988
2989 \func{void}{WarpPointer}{\param{int}{ x}, \param{int}{ y}}
2990
2991 Moves the pointer to the given position on the window.
2992
2993 {\bf NB: } This function is not supported under Mac because Apple Human
2994 Interface Guidelines forbid moving the mouse cursor programmatically.
2995
2996 \wxheading{Parameters}
2997
2998 \docparam{x}{The new x position for the cursor.}
2999
3000 \docparam{y}{The new y position for the cursor.}
3001