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1 \section{\class{wxWindow}}\label{wxwindow}
2
3 wxWindow is the base class for all windows. Any children of the window will be deleted
4 automatically by the destructor before the window itself is deleted.
5
6 %Please note that we documented a number of handler functions (OnChar(), OnMouse() etc.) in this
7 %help text. These must not be called by a user program and are documented only for illustration.
8 %On several platforms, only a few of these handlers are actually written (they are not always
9 %needed) and if you are uncertain on how to add a certain behaviour to a window class, intercept
10 %the respective event as usual and call \helpref{wxEvent::Skip}{wxeventskip} so that the native
11 %platform can implement its native behaviour or just ignore the event if nothing needs to be
12 %done.
13
14 \wxheading{Derived from}
15
16 \helpref{wxEvtHandler}{wxevthandler}\\
17 \helpref{wxObject}{wxobject}
18
19 \wxheading{Include files}
20
21 <wx/window.h>
22
23 \wxheading{Window styles}
24
25 The following styles can apply to all windows, although they will not always make sense for a particular
26 window class or on all platforms.
27
28 \twocolwidtha{5cm}%
29 \begin{twocollist}\itemsep=0pt
30 \twocolitem{\windowstyle{wxSIMPLE\_BORDER}}{Displays a thin border around the window. wxBORDER is the old name
31 for this style. }
32 \twocolitem{\windowstyle{wxDOUBLE\_BORDER}}{Displays a double border. Windows only.}
33 \twocolitem{\windowstyle{wxSUNKEN\_BORDER}}{Displays a sunken border.}
34 \twocolitem{\windowstyle{wxRAISED\_BORDER}}{Displays a raised border. GTK only. }
35 \twocolitem{\windowstyle{wxSTATIC\_BORDER}}{Displays a border suitable for a static control. Windows only. }
36 \twocolitem{\windowstyle{wxTRANSPARENT\_WINDOW}}{The window is transparent, that is, it will not receive paint
37 events. Windows only.}
38 \twocolitem{\windowstyle{wxTAB\_TRAVERSAL}}{Use this to enable tab traversal for non-dialog windows.}
39 \twocolitem{\windowstyle{wxWANTS\_CHARS}}{Use this to indicate that the window
40 wants to get all char events - even for keys like TAB or ENTER which are
41 usually used for dialog navigation and which wouldn't be generated without
42 this style}
43 \twocolitem{\windowstyle{wxNO\_FULL\_REPAINT\_ON\_RESIZE}}{Disables repainting
44 the window completely when its size is changed - you will have to repaint the
45 new window area manually if you use this style. Currently only has an effect for
46 Windows.}
47 \twocolitem{\windowstyle{wxVSCROLL}}{Use this style to enable a vertical scrollbar.}
48 \twocolitem{\windowstyle{wxHSCROLL}}{Use this style to enable a horizontal scrollbar.}
49 \twocolitem{\windowstyle{wxALWAYS\_SHOW\_SB}}{If a window has scrollbars,
50 disable them instead of hiding them when they are not needed (i.e. when the
51 size of the window is big enough to not require the scrollbars to navigate it).
52 This style is currently only implemented for wxMSW and wxUniversal and does
53 nothing on the other platforms.}
54 \twocolitem{\windowstyle{wxCLIP\_CHILDREN}}{Use this style to eliminate flicker caused by the background being
55 repainted, then children being painted over them. Windows only.}
56 \twocolitem{\windowstyle{wxFULL\_REPAINT\_ON\_RESIZE}}{Use this style to force
57 a complete redraw of the window whenever it is resized instead of redrawing
58 just the part of the window affected by resizing. Note that this was the
59 behaviour by default before 2.5.1 release and that if you experience redraw
60 problems with the code which previously used to work you may want to try this.}
61 \end{twocollist}
62
63 See also \helpref{window styles overview}{windowstyles}.
64
65 \wxheading{Extra window styles}
66
67 The following are extra styles, set using \helpref{wxWindow::SetExtraStyle}{wxwindowsetextrastyle}.
68
69 \twocolwidtha{5cm}%
70 \begin{twocollist}\itemsep=0pt
71 \twocolitem{\windowstyle{wxWS\_EX\_VALIDATE\_RECURSIVELY}}{By default, Validate/TransferDataTo/FromWindow()
72 only work on direct children of the window (compatible behaviour). Set this flag to make them recursively
73 descend into all subwindows.}
74 \twocolitem{\windowstyle{wxWS\_EX\_BLOCK\_EVENTS}}{wxCommandEvents and the objects of the derived classes are forwarded to the
75 parent window and so on recursively by default. Using this flag for the
76 given window allows to block this propagation at this window, i.e. prevent
77 the events from being propagated further upwards. Dialogs have this
78 flag on by default.}
79 \twocolitem{\windowstyle{wxWS\_EX\_TRANSIENT}}{Don't use this window as an implicit parent for the other windows: this must
80 be used with transient windows as otherwise there is the risk of creating a
81 dialog/frame with this window as a parent which would lead to a crash if the
82 parent is destroyed before the child.}
83 \twocolitem{\windowstyle{wxWS\_EX\_PROCESS\_IDLE}}{This window should always process idle events, even
84 if the mode set by \helpref{wxIdleEvent::SetMode}{wxidleeventsetmode} is wxIDLE\_PROCESS\_SPECIFIED.}
85 \twocolitem{\windowstyle{wxWS\_EX\_PROCESS\_UI\_UPDATES}}{This window should always process UI update events,
86 even if the mode set by \helpref{wxUpdateUIEvent::SetMode}{wxupdateuieventsetmode} is wxUPDATE\_UI\_PROCESS\_SPECIFIED.}
87 \end{twocollist}
88
89 \wxheading{See also}
90
91 \helpref{Event handling overview}{eventhandlingoverview}
92
93 \latexignore{\rtfignore{\wxheading{Members}}}
94
95
96 \membersection{wxWindow::wxWindow}\label{wxwindowctor}
97
98 \func{}{wxWindow}{\void}
99
100 Default constructor.
101
102 \func{}{wxWindow}{\param{wxWindow*}{ parent}, \param{wxWindowID }{id},
103 \param{const wxPoint\& }{pos = wxDefaultPosition},
104 \param{const wxSize\& }{size = wxDefaultSize},
105 \param{long }{style = 0},
106 \param{const wxString\& }{name = wxPanelNameStr}}
107
108 Constructs a window, which can be a child of a frame, dialog or any other non-control window.
109
110 \wxheading{Parameters}
111
112 \docparam{parent}{Pointer to a parent window.}
113
114 \docparam{id}{Window identifier. If -1, will automatically create an identifier.}
115
116 \docparam{pos}{Window position. wxDefaultPosition is (-1, -1) which indicates that wxWindows
117 should generate a default position for the window. If using the wxWindow class directly, supply
118 an actual position.}
119
120 \docparam{size}{Window size. wxDefaultSize is (-1, -1) which indicates that wxWindows
121 should generate a default size for the window. If no suitable size can be found, the
122 window will be sized to 20x20 pixels so that the window is visible but obviously not
123 correctly sized. }
124
125 \docparam{style}{Window style. For generic window styles, please see \helpref{wxWindow}{wxwindow}.}
126
127 \docparam{name}{Window name.}
128
129
130 \membersection{wxWindow::\destruct{wxWindow}}
131
132 \func{}{\destruct{wxWindow}}{\void}
133
134 Destructor. Deletes all subwindows, then deletes itself. Instead of using
135 the {\bf delete} operator explicitly, you should normally
136 use \helpref{wxWindow::Destroy}{wxwindowdestroy} so that wxWindows
137 can delete a window only when it is safe to do so, in idle time.
138
139 \wxheading{See also}
140
141 \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
142 \helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp
143 \helpref{wxCloseEvent}{wxcloseevent}
144
145
146 \membersection{wxWindow::AddChild}
147
148 \func{virtual void}{AddChild}{\param{wxWindow* }{child}}
149
150 Adds a child window. This is called automatically by window creation
151 functions so should not be required by the application programmer.
152
153 Notice that this function is mostly internal to wxWindows and shouldn't be
154 called by the user code.
155
156 \wxheading{Parameters}
157
158 \docparam{child}{Child window to add.}
159
160
161 \membersection{wxWindow::CaptureMouse}\label{wxwindowcapturemouse}
162
163 \func{virtual void}{CaptureMouse}{\void}
164
165 Directs all mouse input to this window. Call \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse} to
166 release the capture.
167
168 Note that wxWindows maintains the stack of windows having captured the mouse
169 and when the mouse is released the capture returns to the window which had had
170 captured it previously and it is only really released if there were no previous
171 window. In particular, this means that you must release the mouse as many times
172 as you capture it.
173
174 \wxheading{See also}
175
176 \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse}
177
178
179 \membersection{wxWindow::Center}\label{wxwindowcenter}
180
181 \func{void}{Center}{\param{int}{ direction}}
182
183 A synonym for \helpref{Centre}{wxwindowcentre}.
184
185
186 \membersection{wxWindow::CenterOnParent}\label{wxwindowcenteronparent}
187
188 \func{void}{CenterOnParent}{\param{int}{ direction}}
189
190 A synonym for \helpref{CentreOnParent}{wxwindowcentreonparent}.
191
192
193 \membersection{wxWindow::CenterOnScreen}\label{wxwindowcenteronscreen}
194
195 \func{void}{CenterOnScreen}{\param{int}{ direction}}
196
197 A synonym for \helpref{CentreOnScreen}{wxwindowcentreonscreen}.
198
199
200 \membersection{wxWindow::Centre}\label{wxwindowcentre}
201
202 \func{void}{Centre}{\param{int}{ direction = wxBOTH}}
203
204 Centres the window.
205
206 \wxheading{Parameters}
207
208 \docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
209 or {\tt wxBOTH}. It may also include {\tt wxCENTRE\_ON\_SCREEN} flag
210 if you want to center the window on the entire screen and not on its
211 parent window.}
212
213 The flag {\tt wxCENTRE\_FRAME} is obsolete and should not be used any longer
214 (it has no effect).
215
216 \wxheading{Remarks}
217
218 If the window is a top level one (i.e. doesn't have a parent), it will be
219 centered relative to the screen anyhow.
220
221 \wxheading{See also}
222
223 \helpref{wxWindow::Center}{wxwindowcenter}
224
225
226 \membersection{wxWindow::CentreOnParent}\label{wxwindowcentreonparent}
227
228 \func{void}{CentreOnParent}{\param{int}{ direction = wxBOTH}}
229
230 Centres the window on its parent. This is a more readable synonym for
231 \helpref{Centre}{wxwindowcentre}.
232
233 \wxheading{Parameters}
234
235 \docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
236 or {\tt wxBOTH}.}
237
238 \wxheading{Remarks}
239
240 This methods provides for a way to center top level windows over their
241 parents instead of the entire screen. If there is no parent or if the
242 window is not a top level window, then behaviour is the same as
243 \helpref{wxWindow::Centre}{wxwindowcentre}.
244
245 \wxheading{See also}
246
247 \helpref{wxWindow::CentreOnScreen}{wxwindowcenteronscreen}
248
249
250 \membersection{wxWindow::CentreOnScreen}\label{wxwindowcentreonscreen}
251
252 \func{void}{CentreOnScreen}{\param{int}{ direction = wxBOTH}}
253
254 Centres the window on screen. This only works for top level windows -
255 otherwise, the window will still be centered on its parent.
256
257 \wxheading{Parameters}
258
259 \docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
260 or {\tt wxBOTH}.}
261
262 \wxheading{See also}
263
264 \helpref{wxWindow::CentreOnParent}{wxwindowcenteronparent}
265
266
267 \membersection{wxWindow::ClearBackground}\label{wxwindowclearbackground}
268
269 \func{void}{ClearBackground}{\void}
270
271 Clears the window by filling it with the current background colour. Does not
272 cause an erase background event to be generated.
273
274
275 \membersection{wxWindow::ClientToScreen}
276
277 \constfunc{virtual void}{ClientToScreen}{\param{int* }{x}, \param{int* }{y}}
278
279 \perlnote{In wxPerl this method returns a 2-element list instead of
280 modifying its parameters.}
281
282 \constfunc{virtual wxPoint}{ClientToScreen}{\param{const wxPoint\&}{ pt}}
283
284 Converts to screen coordinates from coordinates relative to this window.
285
286 \docparam{x}{A pointer to a integer value for the x coordinate. Pass the client coordinate in, and
287 a screen coordinate will be passed out.}
288
289 \docparam{y}{A pointer to a integer value for the y coordinate. Pass the client coordinate in, and
290 a screen coordinate will be passed out.}
291
292 \docparam{pt}{The client position for the second form of the function.}
293
294 \pythonnote{In place of a single overloaded method name, wxPython
295 implements the following methods:\par
296 \indented{2cm}{\begin{twocollist}
297 \twocolitem{{\bf ClientToScreen(point)}}{Accepts and returns a wxPoint}
298 \twocolitem{{\bf ClientToScreenXY(x, y)}}{Returns a 2-tuple, (x, y)}
299 \end{twocollist}}
300 }
301
302
303 \membersection{wxWindow::Close}\label{wxwindowclose}
304
305 \func{bool}{Close}{\param{bool}{ force = {\tt false}}}
306
307 This function simply generates a \helpref{wxCloseEvent}{wxcloseevent} whose
308 handler usually tries to close the window. It doesn't close the window itself,
309 however.
310
311 \wxheading{Parameters}
312
313 \docparam{force}{{\tt false} if the window's close handler should be able to veto the destruction
314 of this window, {\tt true} if it cannot.}
315
316 \wxheading{Remarks}
317
318 Close calls the \helpref{close handler}{wxcloseevent} for the window, providing
319 an opportunity for the window to choose whether to destroy the window.
320 Usually it is only used with the top level windows (wxFrame and wxDialog
321 classes) as the others are not supposed to have any special OnClose() logic.
322
323 The close handler should check whether the window is being deleted forcibly,
324 using \helpref{wxCloseEvent::GetForce}{wxcloseeventgetforce}, in which case it
325 should destroy the window using \helpref{wxWindow::Destroy}{wxwindowdestroy}.
326
327 {\it Note} that calling Close does not guarantee that the window will be
328 destroyed; but it provides a way to simulate a manual close of a window, which
329 may or may not be implemented by destroying the window. The default
330 implementation of wxDialog::OnCloseWindow does not necessarily delete the
331 dialog, since it will simply simulate an wxID\_CANCEL event which is handled by
332 the appropriate button event handler and may do anything at all.
333
334 To guarantee that the window will be destroyed, call
335 \helpref{wxWindow::Destroy}{wxwindowdestroy} instead
336
337 \wxheading{See also}
338
339 \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
340 \helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp
341 \helpref{wxCloseEvent}{wxcloseevent}
342
343
344 \membersection{wxWindow::ConvertDialogToPixels}\label{wxwindowconvertdialogtopixels}
345
346 \func{wxPoint}{ConvertDialogToPixels}{\param{const wxPoint\&}{ pt}}
347
348 \func{wxSize}{ConvertDialogToPixels}{\param{const wxSize\&}{ sz}}
349
350 Converts a point or size from dialog units to pixels.
351
352 For the x dimension, the dialog units are multiplied by the average character width
353 and then divided by 4.
354
355 For the y dimension, the dialog units are multiplied by the average character height
356 and then divided by 8.
357
358 \wxheading{Remarks}
359
360 Dialog units are used for maintaining a dialog's proportions even if the font changes.
361 Dialogs created using Dialog Editor optionally use dialog units.
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
393 \membersection{wxWindow::ConvertPixelsToDialog}\label{wxwindowconvertpixelstodialog}
394
395 \func{wxPoint}{ConvertPixelsToDialog}{\param{const wxPoint\&}{ pt}}
396
397 \func{wxSize}{ConvertPixelsToDialog}{\param{const wxSize\&}{ sz}}
398
399 Converts a point or size from pixels to dialog units.
400
401 For the x dimension, the pixels are multiplied by 4 and then divided by the average
402 character width.
403
404 For the y dimension, the pixels are multiplied by 8 and then divided by the average
405 character height.
406
407 \wxheading{Remarks}
408
409 Dialog units are used for maintaining a dialog's proportions even if the font changes.
410 Dialogs created using Dialog Editor optionally use dialog units.
411
412 \wxheading{See also}
413
414 \helpref{wxWindow::ConvertDialogToPixels}{wxwindowconvertdialogtopixels}
415
416
417 \pythonnote{In place of a single overloaded method name, wxPython
418 implements the following methods:\par
419 \indented{2cm}{\begin{twocollist}
420 \twocolitem{{\bf ConvertDialogPointToPixels(point)}}{Accepts and returns a wxPoint}
421 \twocolitem{{\bf ConvertDialogSizeToPixels(size)}}{Accepts and returns a wxSize}
422 \end{twocollist}}
423 }
424
425
426 \membersection{wxWindow::Destroy}\label{wxwindowdestroy}
427
428 \func{virtual bool}{Destroy}{\void}
429
430 Destroys the window safely. Use this function instead of the delete operator, since
431 different window classes can be destroyed differently. Frames and dialogs
432 are not destroyed immediately when this function is called -- they are added
433 to a list of windows to be deleted on idle time, when all the window's events
434 have been processed. This prevents problems with events being sent to non-existent
435 windows.
436
437 \wxheading{Return value}
438
439 {\tt true} if the window has either been successfully deleted, or it has been added
440 to the list of windows pending real deletion.
441
442
443 \membersection{wxWindow::DestroyChildren}
444
445 \func{virtual void}{DestroyChildren}{\void}
446
447 Destroys all children of a window. Called automatically by the destructor.
448
449
450 \membersection{wxWindow::Disable}\label{wxwindowdisable}
451
452 \func{bool}{Disable}{\void}
453
454 Disables the window, same as \helpref{Enable({\tt false})}{wxwindowenable}.
455
456 \wxheading{Return value}
457
458 Returns {\tt true} if the window has been disabled, {\tt false} if it had been
459 already disabled before the call to this function.
460
461
462 \membersection{wxWindow::DoUpdateWindowUI}\label{wxwindowdoupdatewindowui}
463
464 \func{virtual void}{DoUpdateWindowUI}{\param{wxUpdateUIEvent\&}{ event}}
465
466 Does the window-specific updating after processing the update event.
467 This function is called by \helpref{wxWindow::UpdateWindowUI}{wxwindowupdatewindowui}
468 in order to check return values in the \helpref{wxUpdateUIEvent}{wxupdateuievent} and
469 act appropriately. For example, to allow frame and dialog title updating, wxWindows
470 implements this function as follows:
471
472 \begin{verbatim}
473 // do the window-specific processing after processing the update event
474 void wxTopLevelWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
475 {
476 if ( event.GetSetEnabled() )
477 Enable(event.GetEnabled());
478
479 if ( event.GetSetText() )
480 {
481 if ( event.GetText() != GetTitle() )
482 SetTitle(event.GetText());
483 }
484 }
485 \end{verbatim}
486
487
488 \membersection{wxWindow::DragAcceptFiles}\label{wxwindowdragacceptfiles}
489
490 \func{virtual void}{DragAcceptFiles}{\param{bool}{ accept}}
491
492 Enables or disables eligibility for drop file events (OnDropFiles).
493
494 \wxheading{Parameters}
495
496 \docparam{accept}{If {\tt true}, the window is eligible for drop file events. If {\tt false}, the window
497 will not accept drop file events.}
498
499 \wxheading{Remarks}
500
501 Windows only.
502
503
504 \membersection{wxWindow::Enable}\label{wxwindowenable}
505
506 \func{virtual bool}{Enable}{\param{bool}{ enable = {\tt true}}}
507
508 Enable or disable the window for user input. Note that when a parent window is
509 disabled, all of its children are disabled as well and they are reenabled again
510 when the parent is.
511
512 \wxheading{Parameters}
513
514 \docparam{enable}{If {\tt true}, enables the window for input. If {\tt false}, disables the window.}
515
516 \wxheading{Return value}
517
518 Returns {\tt true} if the window has been enabled or disabled, {\tt false} if
519 nothing was done, i.e. if the window had already been in the specified state.
520
521 \wxheading{See also}
522
523 \helpref{wxWindow::IsEnabled}{wxwindowisenabled},\rtfsp
524 \helpref{wxWindow::Disable}{wxwindowdisable}
525
526
527 \membersection{wxWindow::FindFocus}\label{wxwindowfindfocus}
528
529 \func{static wxWindow*}{FindFocus}{\void}
530
531 Finds the window or control which currently has the keyboard focus.
532
533 \wxheading{Remarks}
534
535 Note that this is a static function, so it can be called without needing a wxWindow pointer.
536
537 \wxheading{See also}
538
539 \helpref{wxWindow::SetFocus}{wxwindowsetfocus}
540
541
542 \membersection{wxWindow::FindWindow}\label{wxwindowfindwindow}
543
544 \func{wxWindow*}{FindWindow}{\param{long}{ id}}
545
546 Find a child of this window, by identifier.
547
548 \func{wxWindow*}{FindWindow}{\param{const wxString\&}{ name}}
549
550 Find a child of this window, by name.
551
552 \pythonnote{In place of a single overloaded method name, wxPython
553 implements the following methods:\par
554 \indented{2cm}{\begin{twocollist}
555 \twocolitem{{\bf FindWindowById(id)}}{Accepts an integer}
556 \twocolitem{{\bf FindWindowByName(name)}}{Accepts a string}
557 \end{twocollist}}
558 }
559
560
561 \membersection{wxWindow::FindWindowById}\label{wxwindowfindwindowbyid}
562
563 \func{static wxWindow*}{FindWindowById}{\param{long}{ id}, \param{wxWindow*}{ parent = NULL}}
564
565 Find the first window with the given {\it id}.
566
567 If {\it parent} is NULL, the search will start from all top-level
568 frames and dialog boxes; if non-NULL, the search will be limited to the given window hierarchy.
569 The search is recursive in both cases.
570
571 \wxheading{See also}
572
573 \helpref{FindWindow}{wxwindowfindwindow}
574
575
576 \membersection{wxWindow::FindWindowByName}\label{wxwindowfindwindowbyname}
577
578 \func{static wxWindow*}{FindWindowByName}{\param{const wxString\&}{ name}, \param{wxWindow*}{ parent = NULL}}
579
580 Find a window by its name (as given in a window constructor or {\bf Create} function call).
581 If {\it parent} is NULL, the search will start from all top-level
582 frames and dialog boxes; if non-NULL, the search will be limited to the given window hierarchy.
583 The search is recursive in both cases.
584
585 If no window with such name is found,
586 \helpref{FindWindowByLabel}{wxwindowfindwindowbylabel} is called.
587
588 \wxheading{See also}
589
590 \helpref{FindWindow}{wxwindowfindwindow}
591
592
593 \membersection{wxWindow::FindWindowByLabel}\label{wxwindowfindwindowbylabel}
594
595 \func{static wxWindow*}{FindWindowByLabel}{\param{const wxString\&}{ label}, \param{wxWindow*}{ parent = NULL}}
596
597 Find a window by its label. Depending on the type of window, the label may be a window title
598 or panel item label. If {\it parent} is NULL, the search will start from all top-level
599 frames and dialog boxes; if non-NULL, the search will be limited to the given window hierarchy.
600 The search is recursive in both cases.
601
602 \wxheading{See also}
603
604 \helpref{FindWindow}{wxwindowfindwindow}
605
606
607 \membersection{wxWindow::Fit}\label{wxwindowfit}
608
609 \func{virtual void}{Fit}{\void}
610
611 Sizes the window so that it fits around its subwindows. This function won't do
612 anything if there are no subwindows and will only really work correctly if the
613 sizers are used for the subwindows layout. Also, if the window has exactly one
614 subwindow it is better (faster and the result is more precise as Fit adds some
615 margin to account for fuzziness of its calculations) to call
616
617 \begin{verbatim}
618 window->SetClientSize(child->GetSize());
619 \end{verbatim}
620
621 instead of calling Fit.
622
623
624 \membersection{wxWindow::FitInside}\label{wxwindowfitinside}
625
626 \func{virtual void}{FitInside}{\void}
627
628 Similar to \helpref{Fit}{wxwindowfit}, but sizes the interior (virtual) size
629 of a window. Mainly useful with scrolled windows to reset scrollbars after
630 sizing changes that do not trigger a size event, and/or scrolled windows without
631 an interior sizer. This function similarly won't do anything if there are no
632 subwindows.
633
634
635 \membersection{wxWindow::Freeze}\label{wxwindowfreeze}
636
637 \func{virtual void}{Freeze}{\void}
638
639 Freezes the window or, in other words, prevents any updates from taking place
640 on screen, the window is not redrawn at all. \helpref{Thaw}{wxwindowthaw} must
641 be called to reenable window redrawing.
642
643 This method is useful for visual appearance optimization (for example, it
644 is a good idea to use it before inserting large amount of text into a
645 wxTextCtrl under wxGTK) but is not implemented on all platforms nor for all
646 controls so it is mostly just a hint to wxWindows and not a mandatory
647 directive.
648
649
650 \membersection{wxWindow::GetAccessible}\label{wxwindowgetaccessible}
651
652 \func{wxAccessibile*}{GetAccessible}{\void}
653
654 Returns the accessible object for this window, if any.
655
656 See also \helpref{wxAccessible}{wxaccessible}.
657
658
659 \membersection{wxWindow::GetAdjustedBestSize}\label{wxwindowgetadjustedbestsize}
660
661 \constfunc{wxSize}{GetAdjustedBestSize}{\void}
662
663 This method is similar to \helpref{GetBestSize}{wxwindowgetbestsize}, except
664 in one thing. GetBestSize should return the minimum untruncated size of the
665 window, while this method will return the largest of BestSize and any user
666 specified minimum size. ie. it is the minimum size the window should currently
667 be drawn at, not the minimal size it can possibly tolerate.
668
669
670 \membersection{wxWindow::GetBackgroundColour}\label{wxwindowgetbackgroundcolour}
671
672 \constfunc{virtual wxColour}{GetBackgroundColour}{\void}
673
674 Returns the background colour of the window.
675
676 \wxheading{See also}
677
678 \helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
679 \helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
680 \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour}
681
682
683 \membersection{wxWindow::GetBestSize}\label{wxwindowgetbestsize}
684
685 \constfunc{virtual wxSize}{GetBestSize}{\void}
686
687 This functions returns the best acceptable minimal size for the window. For
688 example, for a static control, it will be the minimal size such that the
689 control label is not truncated. For windows containing subwindows (typically
690 \helpref{wxPanel}{wxpanel}), the size returned by this function will be the
691 same as the size the window would have had after calling
692 \helpref{Fit}{wxwindowfit}.
693
694
695 \membersection{wxWindow::GetCaret}\label{wxwindowgetcaret}
696
697 \constfunc{wxCaret *}{GetCaret}{\void}
698
699 Returns the \helpref{caret}{wxcaret} associated with the window.
700
701
702 \membersection{wxWindow::GetCapture}\label{wxwindowgetcapture}
703
704 \func{static wxWindow *}{GetCapture}{\void}
705
706 Returns the currently captured window.
707
708 \wxheading{See also}
709
710 \helpref{wxWindow::HasCapture}{wxwindowhascapture},
711 \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse},
712 \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse},
713 \helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent}
714
715
716 \membersection{wxWindow::GetCharHeight}
717
718 \constfunc{virtual int}{GetCharHeight}{\void}
719
720 Returns the character height for this window.
721
722
723 \membersection{wxWindow::GetCharWidth}
724
725 \constfunc{virtual int}{GetCharWidth}{\void}
726
727 Returns the average character width for this window.
728
729
730 \membersection{wxWindow::GetChildren}
731
732 \func{wxList\&}{GetChildren}{\void}
733
734 Returns a reference to the list of the window's children.
735
736
737 \membersection{wxWindow::GetClientSize}\label{wxwindowgetclientsize}
738
739 \constfunc{virtual void}{GetClientSize}{\param{int* }{width}, \param{int* }{height}}
740
741 \perlnote{In wxPerl this method takes no parameter and returns
742 a 2-element list {\tt ( width, height )}.}
743
744 \constfunc{virtual wxSize}{GetClientSize}{\void}
745
746 This gets the size of the window `client area' in pixels.
747 The client area is the area which may be drawn on by the programmer,
748 excluding title bar, border, scrollbars, etc.
749
750 \wxheading{Parameters}
751
752 \docparam{width}{Receives the client width in pixels.}
753
754 \docparam{height}{Receives the client height in pixels.}
755
756 \pythonnote{In place of a single overloaded method name, wxPython
757 implements the following methods:\par
758 \indented{2cm}{\begin{twocollist}
759 \twocolitem{{\bf GetClientSizeTuple()}}{Returns a 2-tuple of (width, height)}
760 \twocolitem{{\bf GetClientSize()}}{Returns a wxSize object}
761 \end{twocollist}}
762 }
763
764 \wxheading{See also}
765
766 \helpref{GetSize}{wxwindowgetsize}
767 \helpref{GetVirtualSize}{wxwindowgetvirtualsize}
768
769
770 \membersection{wxWindow::GetConstraints}\label{wxwindowgetconstraints}
771
772 \constfunc{wxLayoutConstraints*}{GetConstraints}{\void}
773
774 Returns a pointer to the window's layout constraints, or NULL if there are none.
775
776
777 \membersection{wxWindow::GetContainingSizer}\label{wxwindowgetcontainingsizer}
778
779 \constfunc{const wxSizer *}{GetContainingSizer}{\void}
780
781 Return the sizer that this window is a member of, if any, otherwise
782 {\tt NULL}.
783
784
785 \membersection{wxWindow::GetDropTarget}\label{wxwindowgetdroptarget}
786
787 \constfunc{wxDropTarget*}{GetDropTarget}{\void}
788
789 Returns the associated drop target, which may be NULL.
790
791 \wxheading{See also}
792
793 \helpref{wxWindow::SetDropTarget}{wxwindowsetdroptarget},
794 \helpref{Drag and drop overview}{wxdndoverview}
795
796
797 \membersection{wxWindow::GetEventHandler}\label{wxwindowgeteventhandler}
798
799 \constfunc{wxEvtHandler*}{GetEventHandler}{\void}
800
801 Returns the event handler for this window. By default, the window is its
802 own event handler.
803
804 \wxheading{See also}
805
806 \helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
807 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
808 \helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
809 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
810 \helpref{wxEvtHandler}{wxevthandler}\rtfsp
811
812
813 \membersection{wxWindow::GetExtraStyle}\label{wxwindowgetextrastyle}
814
815 \constfunc{long}{GetExtraStyle}{\void}
816
817 Returns the extra style bits for the window.
818
819
820 \membersection{wxWindow::GetFont}\label{wxwindowgetfont}
821
822 \constfunc{wxFont\&}{GetFont}{\void}
823
824 Returns a reference to the font for this window.
825
826 \wxheading{See also}
827
828 \helpref{wxWindow::SetFont}{wxwindowsetfont}
829
830
831 \membersection{wxWindow::GetForegroundColour}\label{wxwindowgetforegroundcolour}
832
833 \func{virtual wxColour}{GetForegroundColour}{\void}
834
835 Returns the foreground colour of the window.
836
837 \wxheading{Remarks}
838
839 The interpretation of foreground colour is open to interpretation according
840 to the window class; it may be the text colour or other colour, or it may not
841 be used at all.
842
843 \wxheading{See also}
844
845 \helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
846 \helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
847 \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour}
848
849
850 \membersection{wxWindow::GetGrandParent}
851
852 \constfunc{wxWindow*}{GetGrandParent}{\void}
853
854 Returns the grandparent of a window, or NULL if there isn't one.
855
856
857 \membersection{wxWindow::GetHandle}\label{wxwindowgethandle}
858
859 \constfunc{void*}{GetHandle}{\void}
860
861 Returns the platform-specific handle of the physical window. Cast it to an appropriate
862 handle, such as {\bf HWND} for Windows, {\bf Widget} for Motif or {\bf GtkWidget} for GTK.
863
864 \pythonnote{This method will return an integer in wxPython.}
865
866 \perlnote{This method will return an integer in wxPerl.}
867
868
869 \membersection{wxWindow::GetHelpText}\label{wxwindowgethelptext}
870
871 \constfunc{virtual wxString}{GetHelpText}{\void}
872
873 Gets the help text to be used as context-sensitive help for this window.
874
875 Note that the text is actually stored by the current \helpref{wxHelpProvider}{wxhelpprovider} implementation,
876 and not in the window object itself.
877
878 \wxheading{See also}
879
880 \helpref{SetHelpText}{wxwindowsethelptext}, \helpref{wxHelpProvider}{wxhelpprovider}
881
882
883 \membersection{wxWindow::GetId}\label{wxwindowgetid}
884
885 \constfunc{int}{GetId}{\void}
886
887 Returns the identifier of the window.
888
889 \wxheading{Remarks}
890
891 Each window has an integer identifier. If the application has not provided one
892 (or the default Id -1) an unique identifier with a negative value will be generated.
893
894 \wxheading{See also}
895
896 \helpref{wxWindow::SetId}{wxwindowsetid},\rtfsp
897 \helpref{Window identifiers}{windowids}
898
899
900 \membersection{wxWindow::GetLabel}
901
902 \constfunc{virtual wxString }{GetLabel}{\void}
903
904 Generic way of getting a label from any window, for
905 identification purposes.
906
907 \wxheading{Remarks}
908
909 The interpretation of this function differs from class to class.
910 For frames and dialogs, the value returned is the title. For buttons or static text controls, it is
911 the button text. This function can be useful for meta-programs (such as testing
912 tools or special-needs access programs) which need to identify windows
913 by name.
914
915
916 \membersection{wxWindow::GetName}\label{wxwindowgetname}
917
918 \constfunc{virtual wxString }{GetName}{\void}
919
920 Returns the window's name.
921
922 \wxheading{Remarks}
923
924 This name is not guaranteed to be unique; it is up to the programmer to supply an appropriate
925 name in the window constructor or via \helpref{wxWindow::SetName}{wxwindowsetname}.
926
927 \wxheading{See also}
928
929 \helpref{wxWindow::SetName}{wxwindowsetname}
930
931
932 \membersection{wxWindow::GetParent}
933
934 \constfunc{virtual wxWindow*}{GetParent}{\void}
935
936 Returns the parent of the window, or NULL if there is no parent.
937
938
939 \membersection{wxWindow::GetPosition}\label{wxwindowgetposition}
940
941 \constfunc{virtual void}{GetPosition}{\param{int* }{x}, \param{int* }{y}}
942
943 \constfunc{wxPoint}{GetPosition}{\void}
944
945 This gets the position of the window in pixels, relative to the parent window
946 for the child windows or relative to the display origin for the top level
947 windows.
948
949 \wxheading{Parameters}
950
951 \docparam{x}{Receives the x position of the window.}
952
953 \docparam{y}{Receives the y position of the window.}
954
955 \pythonnote{In place of a single overloaded method name, wxPython
956 implements the following methods:\par
957 \indented{2cm}{\begin{twocollist}
958 \twocolitem{{\bf GetPosition()}}{Returns a wxPoint}
959 \twocolitem{{\bf GetPositionTuple()}}{Returns a tuple (x, y)}
960 \end{twocollist}}
961 }
962
963 \perlnote{In wxPerl there are two methods instead of a single overloaded
964 method:\par
965 \indented{2cm}{\begin{twocollist}
966 \twocolitem{{\bf GetPosition()}}{Returns a Wx::Point}
967 \twocolitem{{\bf GetPositionXY()}}{Returns a 2-element list
968 {\tt ( x, y )}}
969 \end{twocollist}
970 }}
971
972
973 \membersection{wxWindow::GetRect}\label{wxwindowgetrect}
974
975 \constfunc{virtual wxRect}{GetRect}{\void}
976
977 Returns the size and position of the window as a \helpref{wxRect}{wxrect} object.
978
979
980 \membersection{wxWindow::GetScrollThumb}\label{wxwindowgetscrollthumb}
981
982 \func{virtual int}{GetScrollThumb}{\param{int }{orientation}}
983
984 Returns the built-in scrollbar thumb size.
985
986 \wxheading{See also}
987
988 \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
989
990
991 \membersection{wxWindow::GetScrollPos}\label{wxwindowgetscrollpos}
992
993 \func{virtual int}{GetScrollPos}{\param{int }{orientation}}
994
995 Returns the built-in scrollbar position.
996
997 \wxheading{See also}
998
999 See \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
1000
1001
1002 \membersection{wxWindow::GetScrollRange}\label{wxwindowgetscrollrange}
1003
1004 \func{virtual int}{GetScrollRange}{\param{int }{orientation}}
1005
1006 Returns the built-in scrollbar range.
1007
1008 \wxheading{See also}
1009
1010 \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
1011
1012
1013 \membersection{wxWindow::GetSize}\label{wxwindowgetsize}
1014
1015 \constfunc{virtual void}{GetSize}{\param{int* }{width}, \param{int* }{height}}
1016
1017 \constfunc{virtual wxSize}{GetSize}{\void}
1018
1019 This gets the size of the entire window in pixels,
1020 including title bar, border, scrollbars, etc.
1021
1022 \wxheading{Parameters}
1023
1024 \docparam{width}{Receives the window width.}
1025
1026 \docparam{height}{Receives the window height.}
1027
1028 \pythonnote{In place of a single overloaded method name, wxPython
1029 implements the following methods:\par
1030 \indented{2cm}{\begin{twocollist}
1031 \twocolitem{{\bf GetSize()}}{Returns a wxSize}
1032 \twocolitem{{\bf GetSizeTuple()}}{Returns a 2-tuple (width, height)}
1033 \end{twocollist}}
1034 }
1035
1036 \perlnote{In wxPerl there are two methods instead of a single overloaded
1037 method:\par
1038 \indented{2cm}{\begin{twocollist}
1039 \twocolitem{{\bf GetSize()}}{Returns a Wx::Size}
1040 \twocolitem{{\bf GetSizeWH()}}{Returns a 2-element list
1041 {\tt ( width, height )}}
1042 \end{twocollist}
1043 }}
1044
1045 \wxheading{See also}
1046
1047 \helpref{GetClientSize}{wxwindowgetclientsize},\rtfsp
1048 \helpref{GetVirtualSize}{wxwindowgetvirtualsize}
1049
1050
1051 \membersection{wxWindow::GetSizer}\label{wxwindowgetsizer}
1052
1053 \constfunc{wxSizer *}{GetSizer}{\void}
1054
1055 Return the sizer associated with the window by a previous call to
1056 \helpref{SetSizer()}{wxwindowsetsizer} or {\tt NULL}.
1057
1058
1059 \membersection{wxWindow::GetTextExtent}\label{wxwindowgettextextent}
1060
1061 \constfunc{virtual void}{GetTextExtent}{\param{const wxString\& }{string}, \param{int* }{x}, \param{int* }{y},
1062 \param{int* }{descent = NULL}, \param{int* }{externalLeading = NULL},
1063 \param{const wxFont* }{font = NULL}, \param{bool}{ use16 = {\tt false}}}
1064
1065 Gets the dimensions of the string as it would be drawn on the
1066 window with the currently selected font.
1067
1068 \wxheading{Parameters}
1069
1070 \docparam{string}{String whose extent is to be measured.}
1071
1072 \docparam{x}{Return value for width.}
1073
1074 \docparam{y}{Return value for height.}
1075
1076 \docparam{descent}{Return value for descent (optional).}
1077
1078 \docparam{externalLeading}{Return value for external leading (optional).}
1079
1080 \docparam{font}{Font to use instead of the current window font (optional).}
1081
1082 \docparam{use16}{If {\tt true}, {\it string} contains 16-bit characters. The default is {\tt false}.}
1083
1084
1085 \pythonnote{In place of a single overloaded method name, wxPython
1086 implements the following methods:\par
1087 \indented{2cm}{\begin{twocollist}
1088 \twocolitem{{\bf GetTextExtent(string)}}{Returns a 2-tuple, (width, height)}
1089 \twocolitem{{\bf GetFullTextExtent(string, font=NULL)}}{Returns a
1090 4-tuple, (width, height, descent, externalLeading) }
1091 \end{twocollist}}
1092 }
1093
1094 \perlnote{In wxPerl this method takes only the {\tt string} and optionally
1095 {\tt font} parameters, and returns a 4-element list
1096 {\tt ( x, y, descent, externalLeading )}.}
1097
1098
1099 \membersection{wxWindow::GetTitle}\label{wxwindowgettitle}
1100
1101 \func{virtual wxString}{GetTitle}{\void}
1102
1103 Gets the window's title. Applicable only to frames and dialogs.
1104
1105 \wxheading{See also}
1106
1107 \helpref{wxWindow::SetTitle}{wxwindowsettitle}
1108
1109
1110 \membersection{wxWindow::GetToolTip}\label{wxwindowgettooltip}
1111
1112 \constfunc{wxToolTip*}{GetToolTip}{\void}
1113
1114 Get the associated tooltip or NULL if none.
1115
1116
1117 \membersection{wxWindow::GetUpdateRegion}\label{wxwindowgetupdateregion}
1118
1119 \constfunc{virtual wxRegion}{GetUpdateRegion}{\void}
1120
1121 Returns the region specifying which parts of the window have been damaged. Should
1122 only be called within an \helpref{wxPaintEvent}{wxpaintevent} handler.
1123
1124 \wxheading{See also}
1125
1126 \helpref{wxRegion}{wxregion},\rtfsp
1127 \helpref{wxRegionIterator}{wxregioniterator}
1128
1129
1130 \membersection{wxWindow::GetValidator}\label{wxwindowgetvalidator}
1131
1132 \constfunc{wxValidator*}{GetValidator}{\void}
1133
1134 Returns a pointer to the current validator for the window, or NULL if there is none.
1135
1136
1137 \membersection{wxWindow::GetVirtualSize}\label{wxwindowgetvirtualsize}
1138
1139 \constfunc{void}{GetVirtualSize}{\param{int* }{width}, \param{int* }{height}}
1140
1141 \constfunc{wxSize}{GetVirtualSize}{\void}
1142
1143 This gets the virtual size of the window in pixels.
1144
1145 \wxheading{Parameters}
1146
1147 \docparam{width}{Receives the window virtual width.}
1148
1149 \docparam{height}{Receives the window virtual height.}
1150
1151 \helpref{GetSize}{wxwindowgetsize},\rtfsp
1152 \helpref{GetClientSize}{wxwindowgetclientsize}
1153
1154
1155 \membersection{wxWindow::GetWindowStyleFlag}\label{wxwindowgetwindowstyleflag}
1156
1157 \constfunc{long}{GetWindowStyleFlag}{\void}
1158
1159 Gets the window style that was passed to the constructor or {\bf Create}
1160 method. {\bf GetWindowStyle()} is another name for the same function.
1161
1162
1163 \membersection{wxWindow::HasCapture}\label{wxwindowhascapture}
1164
1165 \constfunc{virtual bool}{HasCapture}{\void}
1166
1167 Returns true if this window has the current mouse capture.
1168
1169 \wxheading{See also}
1170
1171 \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse},
1172 \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse},
1173 \helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent}
1174
1175
1176 \membersection{wxWindow::Hide}\label{wxwindowhide}
1177
1178 \func{bool}{Hide}{\void}
1179
1180 Equivalent to calling \helpref{Show}{wxwindowshow}({\tt false}).
1181
1182
1183 \membersection{wxWindow::InitDialog}\label{wxwindowinitdialog}
1184
1185 \func{void}{InitDialog}{\void}
1186
1187 Sends an {\tt wxEVT\_INIT\_DIALOG} event, whose handler usually transfers data
1188 to the dialog via validators.
1189
1190
1191 \membersection{wxWindow::IsEnabled}\label{wxwindowisenabled}
1192
1193 \constfunc{virtual bool}{IsEnabled}{\void}
1194
1195 Returns {\tt true} if the window is enabled for input, {\tt false} otherwise.
1196
1197 \wxheading{See also}
1198
1199 \helpref{wxWindow::Enable}{wxwindowenable}
1200
1201
1202 \membersection{wxWindow::IsExposed}\label{wxwindowisexposed}
1203
1204 \constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}}
1205
1206 \constfunc{bool}{IsExposed}{\param{wxPoint }{\&pt}}
1207
1208 \constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}, \param{int }{w}, \param{int }{h}}
1209
1210 \constfunc{bool}{IsExposed}{\param{wxRect }{\&rect}}
1211
1212 Returns {\tt true} if the given point or rectangle area has been exposed since the
1213 last repaint. Call this in an paint event handler to optimize redrawing by
1214 only redrawing those areas, which have been exposed.
1215
1216 \pythonnote{In place of a single overloaded method name, wxPython
1217 implements the following methods:\par
1218 \indented{2cm}{\begin{twocollist}
1219 \twocolitem{{\bf IsExposed(x,y, w=0,h=0}}{}
1220 \twocolitem{{\bf IsExposedPoint(pt)}}{}
1221 \twocolitem{{\bf IsExposedRect(rect)}}{}
1222 \end{twocollist}}}
1223
1224
1225 \membersection{wxWindow::IsRetained}\label{wxwindowisretained}
1226
1227 \constfunc{virtual bool}{IsRetained}{\void}
1228
1229 Returns {\tt true} if the window is retained, {\tt false} otherwise.
1230
1231 \wxheading{Remarks}
1232
1233 Retained windows are only available on X platforms.
1234
1235
1236 \membersection{wxWindow::IsShown}\label{wxwindowisshown}
1237
1238 \constfunc{virtual bool}{IsShown}{\void}
1239
1240 Returns {\tt true} if the window is shown, {\tt false} if it has been hidden.
1241
1242
1243 \membersection{wxWindow::IsTopLevel}\label{wxwindowistoplevel}
1244
1245 \constfunc{bool}{IsTopLevel}{\void}
1246
1247 Returns {\tt true} if the given window is a top-level one. Currently all frames and
1248 dialogs are considered to be top-level windows (even if they have a parent
1249 window).
1250
1251
1252 \membersection{wxWindow::Layout}\label{wxwindowlayout}
1253
1254 \func{void}{Layout}{\void}
1255
1256 Invokes the constraint-based layout algorithm or the sizer-based algorithm
1257 for this window.
1258
1259 See \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout}: when auto
1260 layout is on, this function gets called automatically when the window is resized.
1261
1262
1263 \membersection{wxWindow::LineDown}\label{wxwindowlinedown}
1264
1265 This is just a wrapper for \helpref{ScrollLines()}{wxwindowscrolllines}$(1)$.
1266
1267
1268 \membersection{wxWindow::LineUp}\label{wxwindowlineup}
1269
1270 This is just a wrapper for \helpref{ScrollLines()}{wxwindowscrolllines}$(-1)$.
1271
1272
1273 \membersection{wxWindow::Lower}\label{wxwindowlower}
1274
1275 \func{void}{Lower}{\void}
1276
1277 Lowers the window to the bottom of the window hierarchy if it is a managed window (dialog
1278 or frame).
1279
1280
1281 \membersection{wxWindow::MakeModal}\label{wxwindowmakemodal}
1282
1283 \func{virtual void}{MakeModal}{\param{bool }{flag}}
1284
1285 Disables all other windows in the application so that
1286 the user can only interact with this window. (This function
1287 is not implemented anywhere).
1288
1289 \wxheading{Parameters}
1290
1291 \docparam{flag}{If {\tt true}, this call disables all other windows in the application so that
1292 the user can only interact with this window. If {\tt false}, the effect is reversed.}
1293
1294
1295 \membersection{wxWindow::Move}\label{wxwindowmove}
1296
1297 \func{void}{Move}{\param{int}{ x}, \param{int}{ y}}
1298
1299 \func{void}{Move}{\param{const wxPoint\&}{ pt}}
1300
1301 Moves the window to the given position.
1302
1303 \wxheading{Parameters}
1304
1305 \docparam{x}{Required x position.}
1306
1307 \docparam{y}{Required y position.}
1308
1309 \docparam{pt}{\helpref{wxPoint}{wxpoint} object representing the position.}
1310
1311 \wxheading{Remarks}
1312
1313 Implementations of SetSize can also implicitly implement the
1314 wxWindow::Move function, which is defined in the base wxWindow class
1315 as the call:
1316
1317 \begin{verbatim}
1318 SetSize(x, y, -1, -1, wxSIZE_USE_EXISTING);
1319 \end{verbatim}
1320
1321 \wxheading{See also}
1322
1323 \helpref{wxWindow::SetSize}{wxwindowsetsize}
1324
1325 \pythonnote{In place of a single overloaded method name, wxPython
1326 implements the following methods:\par
1327 \indented{2cm}{\begin{twocollist}
1328 \twocolitem{{\bf Move(point)}}{Accepts a wxPoint}
1329 \twocolitem{{\bf MoveXY(x, y)}}{Accepts a pair of integers}
1330 \end{twocollist}}
1331 }
1332
1333 %% VZ: wxWindow::OnXXX() functions should not be documented but I'm leaving
1334 %% the old docs here in case we want to move any still needed bits to
1335 %% the right location (i.e. probably the corresponding events docs)
1336 %%
1337 %% \membersection{wxWindow::OnActivate}\label{wxwindowonactivate}
1338 %%
1339 %% \func{void}{OnActivate}{\param{wxActivateEvent\&}{ event}}
1340 %%
1341 %% Called when a window is activated or deactivated.
1342 %%
1343 %% \wxheading{Parameters}
1344 %%
1345 %% \docparam{event}{Object containing activation information.}
1346 %%
1347 %% \wxheading{Remarks}
1348 %%
1349 %% If the window is being activated, \helpref{wxActivateEvent::GetActive}{wxactivateeventgetactive} returns {\tt true},
1350 %% otherwise it returns {\tt false} (it is being deactivated).
1351 %%
1352 %% \wxheading{See also}
1353 %%
1354 %% \helpref{wxActivateEvent}{wxactivateevent},\rtfsp
1355 %% \helpref{Event handling overview}{eventhandlingoverview}
1356 %%
1357 %% \membersection{wxWindow::OnChar}\label{wxwindowonchar}
1358 %%
1359 %% \func{void}{OnChar}{\param{wxKeyEvent\&}{ event}}
1360 %%
1361 %% Called when the user has pressed a key that is not a modifier (SHIFT, CONTROL or ALT).
1362 %%
1363 %% \wxheading{Parameters}
1364 %%
1365 %% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1366 %% details about this class.}
1367 %%
1368 %% \wxheading{Remarks}
1369 %%
1370 %% This member function is called in response to a keypress. To intercept this event,
1371 %% use the EVT\_CHAR macro in an event table definition. Your {\bf OnChar} handler may call this
1372 %% default function to achieve default keypress functionality.
1373 %%
1374 %% Note that the ASCII values do not have explicit key codes: they are passed as ASCII
1375 %% values.
1376 %%
1377 %% Note that not all keypresses can be intercepted this way. If you wish to intercept modifier
1378 %% keypresses, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1379 %% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1380 %%
1381 %% Most, but not all, windows allow keypresses to be intercepted.
1382 %%
1383 %% {\bf Tip:} be sure to call {\tt event.Skip()} for events that you don't process in this function,
1384 %% otherwise menu shortcuts may cease to work under Windows.
1385 %%
1386 %% \wxheading{See also}
1387 %%
1388 %% \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp
1389 %% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1390 %% \helpref{Event handling overview}{eventhandlingoverview}
1391 %%
1392 %% \membersection{wxWindow::OnCharHook}\label{wxwindowoncharhook}
1393 %%
1394 %% \func{void}{OnCharHook}{\param{wxKeyEvent\&}{ event}}
1395 %%
1396 %% This member is called to allow the window to intercept keyboard events
1397 %% before they are processed by child windows.
1398 %%
1399 %% \wxheading{Parameters}
1400 %%
1401 %% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1402 %% details about this class.}
1403 %%
1404 %% \wxheading{Remarks}
1405 %%
1406 %% This member function is called in response to a keypress, if the window is active. To intercept this event,
1407 %% use the EVT\_CHAR\_HOOK macro in an event table definition. If you do not process a particular
1408 %% keypress, call \helpref{wxEvent::Skip}{wxeventskip} to allow default processing.
1409 %%
1410 %% An example of using this function is in the implementation of escape-character processing for wxDialog,
1411 %% where pressing ESC dismisses the dialog by {\bf OnCharHook} 'forging' a cancel button press event.
1412 %%
1413 %% Note that the ASCII values do not have explicit key codes: they are passed as ASCII
1414 %% values.
1415 %%
1416 %% This function is only relevant to top-level windows (frames and dialogs), and under
1417 %% Windows only. Under GTK the normal EVT\_CHAR\_ event has the functionality, i.e.
1418 %% you can intercepts it and if you don't call \helpref{wxEvent::Skip}{wxeventskip}
1419 %% the window won't get the event.
1420 %%
1421 %% \wxheading{See also}
1422 %%
1423 %% \helpref{wxKeyEvent}{wxkeyevent},\rtfsp
1424 %% \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1425 %% %% GD: OnXXX functions are not documented
1426 %% %%\helpref{wxApp::OnCharHook}{wxapponcharhook},\rtfsp
1427 %% \helpref{Event handling overview}{eventhandlingoverview}
1428 %%
1429 %% \membersection{wxWindow::OnCommand}\label{wxwindowoncommand}
1430 %%
1431 %% \func{virtual void}{OnCommand}{\param{wxEvtHandler\& }{object}, \param{wxCommandEvent\& }{event}}
1432 %%
1433 %% This virtual member function is called if the control does not handle the command event.
1434 %%
1435 %% \wxheading{Parameters}
1436 %%
1437 %% \docparam{object}{Object receiving the command event.}
1438 %%
1439 %% \docparam{event}{Command event}
1440 %%
1441 %% \wxheading{Remarks}
1442 %%
1443 %% This virtual function is provided mainly for backward compatibility. You can also intercept commands
1444 %% from child controls by using an event table, with identifiers or identifier ranges to identify
1445 %% the control(s) in question.
1446 %%
1447 %% \wxheading{See also}
1448 %%
1449 %% \helpref{wxCommandEvent}{wxcommandevent},\rtfsp
1450 %% \helpref{Event handling overview}{eventhandlingoverview}
1451 %%
1452 %% \membersection{wxWindow::OnClose}\label{wxwindowonclose}
1453 %%
1454 %% \func{virtual bool}{OnClose}{\void}
1455 %%
1456 %% Called when the user has tried to close a a frame
1457 %% or dialog box using the window manager (X) or system menu (Windows).
1458 %%
1459 %% {\bf Note:} This is an obsolete function.
1460 %% It is superseded by the \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow} event
1461 %% handler.
1462 %%
1463 %% \wxheading{Return value}
1464 %%
1465 %% If {\tt true} is returned by OnClose, the window will be deleted by the system, otherwise the
1466 %% attempt will be ignored. Do not delete the window from within this handler, although
1467 %% you may delete other windows.
1468 %%
1469 %% \wxheading{See also}
1470 %%
1471 %% \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
1472 %% \helpref{wxWindow::Close}{wxwindowclose},\rtfsp
1473 %% \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow},\rtfsp
1474 %% \helpref{wxCloseEvent}{wxcloseevent}
1475 %%
1476 %% \membersection{wxWindow::OnKeyDown}\label{wxwindowonkeydown}
1477 %%
1478 %% \func{void}{OnKeyDown}{\param{wxKeyEvent\&}{ event}}
1479 %%
1480 %% Called when the user has pressed a key, before it is translated into an ASCII value using other
1481 %% modifier keys that might be pressed at the same time.
1482 %%
1483 %% \wxheading{Parameters}
1484 %%
1485 %% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1486 %% details about this class.}
1487 %%
1488 %% \wxheading{Remarks}
1489 %%
1490 %% This member function is called in response to a key down event. To intercept this event,
1491 %% use the EVT\_KEY\_DOWN macro in an event table definition. Your {\bf OnKeyDown} handler may call this
1492 %% default function to achieve default keypress functionality.
1493 %%
1494 %% Note that not all keypresses can be intercepted this way. If you wish to intercept special
1495 %% keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1496 %% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1497 %%
1498 %% Most, but not all, windows allow keypresses to be intercepted.
1499 %%
1500 %% {\bf Tip:} be sure to call {\tt event.Skip()} for events that you don't process in this function,
1501 %% otherwise menu shortcuts may cease to work under Windows.
1502 %%
1503 %% \wxheading{See also}
1504 %%
1505 %% \helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp
1506 %% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1507 %% \helpref{Event handling overview}{eventhandlingoverview}
1508 %%
1509 %% \membersection{wxWindow::OnKeyUp}\label{wxwindowonkeyup}
1510 %%
1511 %% \func{void}{OnKeyUp}{\param{wxKeyEvent\&}{ event}}
1512 %%
1513 %% Called when the user has released a key.
1514 %%
1515 %% \wxheading{Parameters}
1516 %%
1517 %% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1518 %% details about this class.}
1519 %%
1520 %% \wxheading{Remarks}
1521 %%
1522 %% This member function is called in response to a key up event. To intercept this event,
1523 %% use the EVT\_KEY\_UP macro in an event table definition. Your {\bf OnKeyUp} handler may call this
1524 %% default function to achieve default keypress functionality.
1525 %%
1526 %% Note that not all keypresses can be intercepted this way. If you wish to intercept special
1527 %% keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1528 %% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1529 %%
1530 %% Most, but not all, windows allow key up events to be intercepted.
1531 %%
1532 %% \wxheading{See also}
1533 %%
1534 %% \helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown},\rtfsp
1535 %% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1536 %% \helpref{Event handling overview}{eventhandlingoverview}
1537 %%
1538 %% \membersection{wxWindow::OnInitDialog}\label{wxwindowoninitdialog}
1539 %%
1540 %% \func{void}{OnInitDialog}{\param{wxInitDialogEvent\&}{ event}}
1541 %%
1542 %% Default handler for the wxEVT\_INIT\_DIALOG event. Calls \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow}.
1543 %%
1544 %% \wxheading{Parameters}
1545 %%
1546 %% \docparam{event}{Dialog initialisation event.}
1547 %%
1548 %% \wxheading{Remarks}
1549 %%
1550 %% Gives the window the default behaviour of transferring data to child controls via
1551 %% the validator that each control has.
1552 %%
1553 %% \wxheading{See also}
1554 %%
1555 %% \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow}
1556 %%
1557 %% \membersection{wxWindow::OnMenuCommand}\label{wxwindowonmenucommand}
1558 %%
1559 %% \func{void}{OnMenuCommand}{\param{wxCommandEvent\& }{event}}
1560 %%
1561 %% Called when a menu command is received from a menu bar.
1562 %%
1563 %% \wxheading{Parameters}
1564 %%
1565 %% \docparam{event}{The menu command event. For more information, see \helpref{wxCommandEvent}{wxcommandevent}.}
1566 %%
1567 %% \wxheading{Remarks}
1568 %%
1569 %% A function with this name doesn't actually exist; you can choose any member function to receive
1570 %% menu command events, using the EVT\_COMMAND macro for individual commands or EVT\_COMMAND\_RANGE for
1571 %% a range of commands.
1572 %%
1573 %% \wxheading{See also}
1574 %%
1575 %% \helpref{wxCommandEvent}{wxcommandevent},\rtfsp
1576 %% \helpref{wxWindow::OnMenuHighlight}{wxwindowonmenuhighlight},\rtfsp
1577 %% \helpref{Event handling overview}{eventhandlingoverview}
1578 %%
1579 %% \membersection{wxWindow::OnMenuHighlight}\label{wxwindowonmenuhighlight}
1580 %%
1581 %% \func{void}{OnMenuHighlight}{\param{wxMenuEvent\& }{event}}
1582 %%
1583 %% Called when a menu select is received from a menu bar: that is, the
1584 %% mouse cursor is over a menu item, but the left mouse button has not been
1585 %% pressed.
1586 %%
1587 %% \wxheading{Parameters}
1588 %%
1589 %% \docparam{event}{The menu highlight event. For more information, see \helpref{wxMenuEvent}{wxmenuevent}.}
1590 %%
1591 %% \wxheading{Remarks}
1592 %%
1593 %% You can choose any member function to receive
1594 %% menu select events, using the EVT\_MENU\_HIGHLIGHT macro for individual menu items or EVT\_MENU\_HIGHLIGHT\_ALL macro
1595 %% for all menu items.
1596 %%
1597 %% The default implementation for \helpref{wxFrame::OnMenuHighlight}{wxframeonmenuhighlight} displays help
1598 %% text in the first field of the status bar.
1599 %%
1600 %% This function was known as {\bf OnMenuSelect} in earlier versions of wxWindows, but this was confusing
1601 %% since a selection is normally a left-click action.
1602 %%
1603 %% \wxheading{See also}
1604 %%
1605 %% \helpref{wxMenuEvent}{wxmenuevent},\rtfsp
1606 %% \helpref{wxWindow::OnMenuCommand}{wxwindowonmenucommand},\rtfsp
1607 %% \helpref{Event handling overview}{eventhandlingoverview}
1608 %%
1609 %%
1610 %% \membersection{wxWindow::OnMouseEvent}\label{wxwindowonmouseevent}
1611 %%
1612 %% \func{void}{OnMouseEvent}{\param{wxMouseEvent\&}{ event}}
1613 %%
1614 %% Called when the user has initiated an event with the
1615 %% mouse.
1616 %%
1617 %% \wxheading{Parameters}
1618 %%
1619 %% \docparam{event}{The mouse event. See \helpref{wxMouseEvent}{wxmouseevent} for
1620 %% more details.}
1621 %%
1622 %% \wxheading{Remarks}
1623 %%
1624 %% Most, but not all, windows respond to this event.
1625 %%
1626 %% To intercept this event, use the EVT\_MOUSE\_EVENTS macro in an event table definition, or individual
1627 %% mouse event macros such as EVT\_LEFT\_DOWN.
1628 %%
1629 %% \wxheading{See also}
1630 %%
1631 %% \helpref{wxMouseEvent}{wxmouseevent},\rtfsp
1632 %% \helpref{Event handling overview}{eventhandlingoverview}
1633 %%
1634 %% \membersection{wxWindow::OnMove}\label{wxwindowonmove}
1635 %%
1636 %% \func{void}{OnMove}{\param{wxMoveEvent\& }{event}}
1637 %%
1638 %% Called when a window is moved.
1639 %%
1640 %% \wxheading{Parameters}
1641 %%
1642 %% \docparam{event}{The move event. For more information, see \helpref{wxMoveEvent}{wxmoveevent}.}
1643 %%
1644 %% \wxheading{Remarks}
1645 %%
1646 %% Use the EVT\_MOVE macro to intercept move events.
1647 %%
1648 %% \wxheading{Remarks}
1649 %%
1650 %% Not currently implemented.
1651 %%
1652 %% \wxheading{See also}
1653 %%
1654 %% \helpref{wxMoveEvent}{wxmoveevent},\rtfsp
1655 %% \helpref{wxFrame::OnSize}{wxframeonsize},\rtfsp
1656 %% \helpref{Event handling overview}{eventhandlingoverview}
1657 %%
1658 %% \membersection{wxWindow::OnPaint}\label{wxwindowonpaint}
1659 %%
1660 %% \func{void}{OnPaint}{\param{wxPaintEvent\& }{event}}
1661 %%
1662 %% Sent to the event handler when the window must be refreshed.
1663 %%
1664 %% \wxheading{Parameters}
1665 %%
1666 %% \docparam{event}{Paint event. For more information, see \helpref{wxPaintEvent}{wxpaintevent}.}
1667 %%
1668 %% \wxheading{Remarks}
1669 %%
1670 %% Use the EVT\_PAINT macro in an event table definition to intercept paint events.
1671 %%
1672 %% Note that In a paint event handler, the application must {\it always} create a \helpref{wxPaintDC}{wxpaintdc} object,
1673 %% even if you do not use it. Otherwise, under MS Windows, refreshing for this and other windows will go wrong.
1674 %%
1675 %% For example:
1676 %%
1677 %% \small{%
1678 %% \begin{verbatim}
1679 %% void MyWindow::OnPaint(wxPaintEvent\& event)
1680 %% {
1681 %% wxPaintDC dc(this);
1682 %%
1683 %% DrawMyDocument(dc);
1684 %% }
1685 %% \end{verbatim}
1686 %% }%
1687 %%
1688 %% You can optimize painting by retrieving the rectangles
1689 %% that have been damaged and only repainting these. The rectangles are in
1690 %% terms of the client area, and are unscrolled, so you will need to do
1691 %% some calculations using the current view position to obtain logical,
1692 %% scrolled units.
1693 %%
1694 %% Here is an example of using the \helpref{wxRegionIterator}{wxregioniterator} class:
1695 %%
1696 %% {\small%
1697 %% \begin{verbatim}
1698 %% // Called when window needs to be repainted.
1699 %% void MyWindow::OnPaint(wxPaintEvent\& event)
1700 %% {
1701 %% wxPaintDC dc(this);
1702 %%
1703 %% // Find Out where the window is scrolled to
1704 %% int vbX,vbY; // Top left corner of client
1705 %% GetViewStart(&vbX,&vbY);
1706 %%
1707 %% int vX,vY,vW,vH; // Dimensions of client area in pixels
1708 %% wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
1709 %%
1710 %% while (upd)
1711 %% {
1712 %% vX = upd.GetX();
1713 %% vY = upd.GetY();
1714 %% vW = upd.GetW();
1715 %% vH = upd.GetH();
1716 %%
1717 %% // Alternatively we can do this:
1718 %% // wxRect rect;
1719 %% // upd.GetRect(&rect);
1720 %%
1721 %% // Repaint this rectangle
1722 %% ...some code...
1723 %%
1724 %% upd ++ ;
1725 %% }
1726 %% }
1727 %% \end{verbatim}
1728 %% }%
1729 %%
1730 %% \wxheading{See also}
1731 %%
1732 %% \helpref{wxPaintEvent}{wxpaintevent},\rtfsp
1733 %% \helpref{wxPaintDC}{wxpaintdc},\rtfsp
1734 %% \helpref{Event handling overview}{eventhandlingoverview}
1735 %%
1736 %% \membersection{wxWindow::OnScroll}\label{wxwindowonscroll}
1737 %%
1738 %% \func{void}{OnScroll}{\param{wxScrollWinEvent\& }{event}}
1739 %%
1740 %% Called when a scroll window event is received from one of the window's built-in scrollbars.
1741 %%
1742 %% \wxheading{Parameters}
1743 %%
1744 %% \docparam{event}{Command event. Retrieve the new scroll position by
1745 %% calling \helpref{wxScrollEvent::GetPosition}{wxscrolleventgetposition}, and the
1746 %% scrollbar orientation by calling \helpref{wxScrollEvent::GetOrientation}{wxscrolleventgetorientation}.}
1747 %%
1748 %% \wxheading{Remarks}
1749 %%
1750 %% Note that it is not possible to distinguish between horizontal and vertical scrollbars
1751 %% until the function is executing (you can't have one function for vertical, another
1752 %% for horizontal events).
1753 %%
1754 %% \wxheading{See also}
1755 %%
1756 %% \helpref{wxScrollWinEvent}{wxscrollwinevent},\rtfsp
1757 %% \helpref{Event handling overview}{eventhandlingoverview}
1758 %%
1759 %% \membersection{wxWindow::OnSetFocus}\label{wxwindowonsetfocus}
1760 %%
1761 %% \func{void}{OnSetFocus}{\param{wxFocusEvent\& }{event}}
1762 %%
1763 %% Called when a window's focus is being set.
1764 %%
1765 %% \wxheading{Parameters}
1766 %%
1767 %% \docparam{event}{The focus event. For more information, see \helpref{wxFocusEvent}{wxfocusevent}.}
1768 %%
1769 %% \wxheading{Remarks}
1770 %%
1771 %% To intercept this event, use the macro EVT\_SET\_FOCUS in an event table definition.
1772 %%
1773 %% Most, but not all, windows respond to this event.
1774 %%
1775 %% \wxheading{See also}
1776 %%
1777 %% \helpref{wxFocusEvent}{wxfocusevent}, \helpref{wxWindow::OnKillFocus}{wxwindowonkillfocus},\rtfsp
1778 %% \helpref{Event handling overview}{eventhandlingoverview}
1779 %%
1780 %% \membersection{wxWindow::OnSize}\label{wxwindowonsize}
1781 %%
1782 %% \func{void}{OnSize}{\param{wxSizeEvent\& }{event}}
1783 %%
1784 %% Called when the window has been resized. This is not a virtual function; you should
1785 %% provide your own non-virtual OnSize function and direct size events to it using EVT\_SIZE
1786 %% in an event table definition.
1787 %%
1788 %% \wxheading{Parameters}
1789 %%
1790 %% \docparam{event}{Size event. For more information, see \helpref{wxSizeEvent}{wxsizeevent}.}
1791 %%
1792 %% \wxheading{Remarks}
1793 %%
1794 %% You may wish to use this for frames to resize their child windows as appropriate.
1795 %%
1796 %% Note that the size passed is of
1797 %% the whole window: call \helpref{wxWindow::GetClientSize}{wxwindowgetclientsize} for the area which may be
1798 %% used by the application.
1799 %%
1800 %% When a window is resized, usually only a small part of the window is damaged and you
1801 %% may only need to repaint that area. However, if your drawing depends on the size of the window,
1802 %% you may need to clear the DC explicitly and repaint the whole window. In which case, you
1803 %% may need to call \helpref{wxWindow::Refresh}{wxwindowrefresh} to invalidate the entire window.
1804 %%
1805 %% \wxheading{See also}
1806 %%
1807 %% \helpref{wxSizeEvent}{wxsizeevent},\rtfsp
1808 %% \helpref{Event handling overview}{eventhandlingoverview}
1809 %%
1810 %% \membersection{wxWindow::OnSysColourChanged}\label{wxwindowonsyscolourchanged}
1811 %%
1812 %% \func{void}{OnSysColourChanged}{\param{wxOnSysColourChangedEvent\& }{event}}
1813 %%
1814 %% Called when the user has changed the system colours. Windows only.
1815 %%
1816 %% \wxheading{Parameters}
1817 %%
1818 %% \docparam{event}{System colour change event. For more information, see \helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent}.}
1819 %%
1820 %% \wxheading{See also}
1821 %%
1822 %% \helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent},\rtfsp
1823 %% \helpref{Event handling overview}{eventhandlingoverview}
1824
1825
1826 \membersection{wxWindow::OnInternalIdle}\label{wxwindowoninternalidle}
1827
1828 \func{virtual void}{OnInternalIdle}{\void}
1829
1830 This virtual function is normally only used internally, but
1831 sometimes an application may need it to implement functionality
1832 that should not be disabled by an application defining an OnIdle
1833 handler in a derived class.
1834
1835 This function may be used to do delayed painting, for example,
1836 and most implementations call \helpref{wxWindow::UpdateWindowUI}{wxwindowupdatewindowui}
1837 in order to send update events to the window in idle time.
1838
1839
1840 \membersection{wxWindow::PageDown}\label{wxwindowpagedown}
1841
1842 This is just a wrapper for \helpref{ScrollPages()}{wxwindowscrollpages}$(1)$.
1843
1844
1845 \membersection{wxWindow::PageUp}\label{wxwindowpageup}
1846
1847 This is just a wrapper for \helpref{ScrollPages()}{wxwindowscrollpages}$(-1)$.
1848
1849
1850 \membersection{wxWindow::PopEventHandler}\label{wxwindowpopeventhandler}
1851
1852 \constfunc{wxEvtHandler*}{PopEventHandler}{\param{bool }{deleteHandler = {\tt false}}}
1853
1854 Removes and returns the top-most event handler on the event handler stack.
1855
1856 \wxheading{Parameters}
1857
1858 \docparam{deleteHandler}{If this is {\tt true}, the handler will be deleted after it is removed. The
1859 default value is {\tt false}.}
1860
1861 \wxheading{See also}
1862
1863 \helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
1864 \helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
1865 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
1866 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
1867 \helpref{wxEvtHandler}{wxevthandler}\rtfsp
1868
1869
1870 \membersection{wxWindow::PopupMenu}\label{wxwindowpopupmenu}
1871
1872 \func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{const wxPoint\& }{pos}}
1873
1874 \func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{int }{x}, \param{int }{y}}
1875
1876 Pops up the given menu at the specified coordinates, relative to this
1877 window, and returns control when the user has dismissed the menu. If a
1878 menu item is selected, the corresponding menu event is generated and will be
1879 processed as usually.
1880
1881 \wxheading{Parameters}
1882
1883 \docparam{menu}{Menu to pop up.}
1884
1885 \docparam{pos}{The position where the menu will appear.}
1886
1887 \docparam{x}{Required x position for the menu to appear.}
1888
1889 \docparam{y}{Required y position for the menu to appear.}
1890
1891 \wxheading{See also}
1892
1893 \helpref{wxMenu}{wxmenu}
1894
1895 \wxheading{Remarks}
1896
1897 Just before the menu is popped up, \helpref{wxMenu::UpdateUI}{wxmenuupdateui} is called
1898 to ensure that the menu items are in the correct state. The menu does not get deleted
1899 by the window.
1900
1901 \pythonnote{In place of a single overloaded method name, wxPython
1902 implements the following methods:\par
1903 \indented{2cm}{\begin{twocollist}
1904 \twocolitem{{\bf PopupMenu(menu, point)}}{Specifies position with a wxPoint}
1905 \twocolitem{{\bf PopupMenuXY(menu, x, y)}}{Specifies position with two integers (x, y)}
1906 \end{twocollist}}
1907 }
1908
1909
1910 \membersection{wxWindow::PushEventHandler}\label{wxwindowpusheventhandler}
1911
1912 \func{void}{PushEventHandler}{\param{wxEvtHandler* }{handler}}
1913
1914 Pushes this event handler onto the event stack for the window.
1915
1916 \wxheading{Parameters}
1917
1918 \docparam{handler}{Specifies the handler to be pushed.}
1919
1920 \wxheading{Remarks}
1921
1922 An event handler is an object that is capable of processing the events
1923 sent to a window. By default, the window is its own event handler, but
1924 an application may wish to substitute another, for example to allow
1925 central implementation of event-handling for a variety of different
1926 window classes.
1927
1928 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} allows
1929 an application to set up a chain of event handlers, where an event not handled by one event handler is
1930 handed to the next one in the chain. Use \helpref{wxWindow::PopEventHandler}{wxwindowpopeventhandler} to
1931 remove the event handler.
1932
1933 \wxheading{See also}
1934
1935 \helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
1936 \helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
1937 \helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
1938 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
1939 \helpref{wxEvtHandler}{wxevthandler}
1940
1941
1942 \membersection{wxWindow::Raise}\label{wxwindowraise}
1943
1944 \func{void}{Raise}{\void}
1945
1946 Raises the window to the top of the window hierarchy if it is a managed window (dialog
1947 or frame).
1948
1949
1950 \membersection{wxWindow::Refresh}\label{wxwindowrefresh}
1951
1952 \func{virtual void}{Refresh}{\param{bool}{ eraseBackground = {\tt true}}, \param{const wxRect* }{rect
1953 = NULL}}
1954
1955 Causes a message or event to be generated to repaint the
1956 window.
1957
1958 \wxheading{Parameters}
1959
1960 \docparam{eraseBackground}{If {\tt true}, the background will be
1961 erased.}
1962
1963 \docparam{rect}{If non-NULL, only the given rectangle will
1964 be treated as damaged.}
1965
1966 \wxheading{See also}
1967
1968 \helpref{wxWindow::RefreshRect}{wxwindowrefreshrect}
1969
1970
1971 \membersection{wxWindow::RefreshRect}\label{wxwindowrefreshrect}
1972
1973 \func{void}{Refresh}{\param{const wxRect\& }{rect}}
1974
1975 Redraws the contents of the given rectangle: the area inside it will be
1976 repainted.
1977
1978 This is the same as \helpref{Refresh}{wxwindowrefresh} but has a nicer syntax.
1979
1980
1981 \membersection{wxWindow::RegisterHotKey}\label{wxwindowregisterhotkey}
1982
1983 \func{bool}{RegisterHotKey}{\param{int}{ hotkeyId}, \param{int}{ modifiers}, \param{int}{ virtualKeyCode}}
1984
1985 Registers a system wide hotkey. Every time the user presses the hotkey registered here, this window
1986 will receive a hotkey event. It will receive the event even if the application is in the background
1987 and does not have the input focus because the user is working with some other application.
1988
1989 \wxheading{Parameters}
1990
1991 \docparam{hotkeyId}{Numeric identifier of the hotkey. For applications this must be between 0 and 0xBFFF. If
1992 this function is called from a shared DLL, it must be a system wide unique identifier between 0xC000 and 0xFFFF.
1993 This is a MSW specific detail.}
1994
1995 \docparam{modifiers}{A bitwise combination of {\tt wxMOD\_SHIFT}, {\tt wxMOD\_CONTROL}, {\tt wxMOD\_ALT}
1996 or {\tt wxMOD\_WIN} specifying the modifier keys that have to be pressed along with the key.}
1997
1998 \docparam{virtualKeyCode}{The virtual key code of the hotkey.}
1999
2000 \wxheading{Return value}
2001
2002 {\tt true} if the hotkey was registered successfully. {\tt false} if some other application already registered a
2003 hotkey with this modifier/virtualKeyCode combination.
2004
2005 \wxheading{Remarks}
2006
2007 Use EVT\_HOTKEY(hotkeyId, fnc) in the event table to capture the event.
2008 This function is currently only implemented under MSW.
2009
2010 \wxheading{See also}
2011
2012 \helpref{wxWindow::UnregisterHotKey}{wxwindowunregisterhotkey}
2013
2014
2015 \membersection{wxWindow::ReleaseMouse}\label{wxwindowreleasemouse}
2016
2017 \func{virtual void}{ReleaseMouse}{\void}
2018
2019 Releases mouse input captured with \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse}.
2020
2021 \wxheading{See also}
2022
2023 \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse},
2024 \helpref{wxWindow::HasCapture}{wxwindowhascapture},
2025 \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse},
2026 \helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent}
2027
2028
2029 \membersection{wxWindow::RemoveChild}\label{wxwindowremovechild}
2030
2031 \func{virtual void}{RemoveChild}{\param{wxWindow* }{child}}
2032
2033 Removes a child window. This is called automatically by window deletion
2034 functions so should not be required by the application programmer.
2035
2036 Notice that this function is mostly internal to wxWindows and shouldn't be
2037 called by the user code.
2038
2039 \wxheading{Parameters}
2040
2041 \docparam{child}{Child window to remove.}
2042
2043
2044 \membersection{wxWindow::RemoveEventHandler}\label{wxwindowremoveeventhandler}
2045
2046 \func{bool}{RemoveEventHandler}{\param{wxEvtHandler *}{handler}}
2047
2048 Find the given {\it handler} in the windows event handler chain and remove (but
2049 not delete) it from it.
2050
2051 \wxheading{Parameters}
2052
2053 \docparam{handler}{The event handler to remove, must be non {\tt NULL} and
2054 must be present in this windows event handlers chain}
2055
2056 \wxheading{Return value}
2057
2058 Returns {\tt true} if it was found and {\tt false} otherwise (this also results
2059 in an assert failure so this function should only be called when the
2060 handler is supposed to be there).
2061
2062 \wxheading{See also}
2063
2064 \helpref{PushEventHandler}{wxwindowpusheventhandler},\rtfsp
2065 \helpref{PopEventHandler}{wxwindowpopeventhandler}
2066
2067
2068 \membersection{wxWindow::Reparent}\label{wxwindowreparent}
2069
2070 \func{virtual bool}{Reparent}{\param{wxWindow* }{newParent}}
2071
2072 Reparents the window, i.e the window will be removed from its
2073 current parent window (e.g. a non-standard toolbar in a wxFrame)
2074 and then re-inserted into another. Available on Windows and GTK.
2075
2076 \wxheading{Parameters}
2077
2078 \docparam{newParent}{New parent.}
2079
2080
2081 \membersection{wxWindow::ScreenToClient}\label{wxwindowscreentoclient}
2082
2083 \constfunc{virtual void}{ScreenToClient}{\param{int* }{x}, \param{int* }{y}}
2084
2085 \constfunc{virtual wxPoint}{ScreenToClient}{\param{const wxPoint\& }{pt}}
2086
2087 Converts from screen to client window coordinates.
2088
2089 \wxheading{Parameters}
2090
2091 \docparam{x}{Stores the screen x coordinate and receives the client x coordinate.}
2092
2093 \docparam{y}{Stores the screen x coordinate and receives the client x coordinate.}
2094
2095 \docparam{pt}{The screen position for the second form of the function.}
2096
2097 \pythonnote{In place of a single overloaded method name, wxPython
2098 implements the following methods:\par
2099 \indented{2cm}{\begin{twocollist}
2100 \twocolitem{{\bf ScreenToClient(point)}}{Accepts and returns a wxPoint}
2101 \twocolitem{{\bf ScreenToClientXY(x, y)}}{Returns a 2-tuple, (x, y)}
2102 \end{twocollist}}
2103 }
2104
2105
2106 \membersection{wxWindow::ScrollLines}\label{wxwindowscrolllines}
2107
2108 \func{virtual bool}{ScrollLines}{\param{int }{lines}}
2109
2110 Scrolls the window by the given number of lines down (if {\it lines} is
2111 positive) or up.
2112
2113 \wxheading{Return value}
2114
2115 Returns {\tt true} if the window was scrolled, {\tt false} if it was already
2116 on top/bottom and nothing was done.
2117
2118 \wxheading{Remarks}
2119
2120 This function is currently only implemented under MSW and wxTextCtrl under
2121 wxGTK (it also works for wxScrolledWindow derived classes under all
2122 platforms).
2123
2124 \wxheading{See also}
2125
2126 \helpref{ScrollPages}{wxwindowscrollpages}
2127
2128
2129 \membersection{wxWindow::ScrollPages}\label{wxwindowscrollpages}
2130
2131 \func{virtual bool}{ScrollPages}{\param{int }{pages}}
2132
2133 Scrolls the window by the given number of pages down (if {\it pages} is
2134 positive) or up.
2135
2136 \wxheading{Return value}
2137
2138 Returns {\tt true} if the window was scrolled, {\tt false} if it was already
2139 on top/bottom and nothing was done.
2140
2141 \wxheading{Remarks}
2142
2143 This function is currently only implemented under MSW and wxTextCtrl under
2144 wxGTK (it also works for wxScrolledWindow derived classes under all
2145 platforms).
2146
2147 \wxheading{See also}
2148
2149 \helpref{ScrollLines}{wxwindowscrolllines}
2150
2151
2152 \membersection{wxWindow::ScrollWindow}\label{wxwindowscrollwindow}
2153
2154 \func{virtual void}{ScrollWindow}{\param{int }{dx}, \param{int }{dy}, \param{const wxRect*}{ rect = NULL}}
2155
2156 Physically scrolls the pixels in the window and move child windows accordingly.
2157
2158 \wxheading{Parameters}
2159
2160 \docparam{dx}{Amount to scroll horizontally.}
2161
2162 \docparam{dy}{Amount to scroll vertically.}
2163
2164 \docparam{rect}{Rectangle to invalidate. If this is NULL, the whole window is invalidated. If you
2165 pass a rectangle corresponding to the area of the window exposed by the scroll, your painting handler
2166 can optimize painting by checking for the invalidated region. This parameter is ignored under GTK.}
2167
2168 \wxheading{Remarks}
2169
2170 Use this function to optimise your scrolling implementations, to minimise the area that must be
2171 redrawn. Note that it is rarely required to call this function from a user program.
2172
2173
2174 \membersection{wxWindow::SetAcceleratorTable}\label{wxwindowsetacceleratortable}
2175
2176 \func{virtual void}{SetAcceleratorTable}{\param{const wxAcceleratorTable\&}{ accel}}
2177
2178 Sets the accelerator table for this window. See \helpref{wxAcceleratorTable}{wxacceleratortable}.
2179
2180
2181 \membersection{wxWindow::SetAccessible}\label{wxwindowsetaccessible}
2182
2183 \func{void}{SetAccessible}{\param{wxAccessibile*}{ accessible}}
2184
2185 Sets the accessible for this window. Any existing accessible for this window
2186 will be deleted first, if not identical to {\it accessible}.
2187
2188 See also \helpref{wxAccessible}{wxaccessible}.
2189
2190
2191 \membersection{wxWindow::SetAutoLayout}\label{wxwindowsetautolayout}
2192
2193 \func{void}{SetAutoLayout}{\param{bool}{ autoLayout}}
2194
2195 Determines whether the \helpref{wxWindow::Layout}{wxwindowlayout} function will
2196 be called automatically when the window is resized. It is called implicitly by
2197 \helpref{wxWindow::SetSizer}{wxwindowsetsizer} but if you use
2198 \helpref{wxWindow::SetConstraints}{wxwindowsetconstraints} you should call it
2199 manually or otherwise the window layout won't be correctly updated when its
2200 size changes.
2201
2202 \wxheading{Parameters}
2203
2204 \docparam{autoLayout}{Set this to {\tt true} if you wish the Layout function to be called
2205 from within wxWindow::OnSize functions.}
2206
2207 \wxheading{See also}
2208
2209 \helpref{wxWindow::SetConstraints}{wxwindowsetconstraints}
2210
2211
2212 \membersection{wxWindow::SetBackgroundColour}\label{wxwindowsetbackgroundcolour}
2213
2214 \func{virtual void}{SetBackgroundColour}{\param{const wxColour\& }{colour}}
2215
2216 Sets the background colour of the window.
2217
2218 \wxheading{Parameters}
2219
2220 \docparam{colour}{The colour to be used as the background colour.}
2221
2222 \wxheading{Remarks}
2223
2224 The background colour is usually painted by the default\rtfsp
2225 \helpref{wxEraseEvent}{wxeraseevent} event handler function
2226 under Windows and automatically under GTK.
2227
2228 Note that setting the background colour does not cause an immediate refresh, so you
2229 may wish to call \helpref{wxWindow::ClearBackground}{wxwindowclearbackground} or \helpref{wxWindow::Refresh}{wxwindowrefresh} after
2230 calling this function.
2231
2232 Use this function with care under GTK+ as the new appearance of the window might
2233 not look equally well when used with "Themes", i.e GTK+'s ability to change its
2234 look as the user wishes with run-time loadable modules.
2235
2236 \wxheading{See also}
2237
2238 \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour},\rtfsp
2239 \helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
2240 \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
2241 \helpref{wxWindow::ClearBackground}{wxwindowclearbackground},\rtfsp
2242 \helpref{wxWindow::Refresh}{wxwindowrefresh},\rtfsp
2243 \helpref{wxEraseEvent}{wxeraseevent}
2244
2245
2246 \membersection{wxWindow::SetCaret}\label{wxwindowsetcaret}
2247
2248 \constfunc{void}{SetCaret}{\param{wxCaret *}{caret}}
2249
2250 Sets the \helpref{caret}{wxcaret} associated with the window.
2251
2252
2253 \membersection{wxWindow::SetClientSize}\label{wxwindowsetclientsize}
2254
2255 \func{virtual void}{SetClientSize}{\param{int}{ width}, \param{int}{ height}}
2256
2257 \func{virtual void}{SetClientSize}{\param{const wxSize\&}{ size}}
2258
2259 This sets the size of the window client area in pixels. Using this function to size a window
2260 tends to be more device-independent than \helpref{wxWindow::SetSize}{wxwindowsetsize}, since the application need not
2261 worry about what dimensions the border or title bar have when trying to fit the window
2262 around panel items, for example.
2263
2264 \wxheading{Parameters}
2265
2266 \docparam{width}{The required client area width.}
2267
2268 \docparam{height}{The required client area height.}
2269
2270 \docparam{size}{The required client size.}
2271
2272 \pythonnote{In place of a single overloaded method name, wxPython
2273 implements the following methods:\par
2274 \indented{2cm}{\begin{twocollist}
2275 \twocolitem{{\bf SetClientSize(size)}}{Accepts a wxSize}
2276 \twocolitem{{\bf SetClientSizeWH(width, height)}}{}
2277 \end{twocollist}}
2278 }
2279
2280
2281 \membersection{wxWindow::SetContainingSizer}\label{wxwindowsetcontainingsizer}
2282
2283 \func{void}{SetContainingSizer}{\param{wxSizer* }{sizer}}
2284
2285 This normally does not need to be called by user code. It is called
2286 when a window is added to a sizer, and is used so the window can
2287 remove itself from the sizer when it is destroyed.
2288
2289
2290 \membersection{wxWindow::SetCursor}\label{wxwindowsetcursor}
2291
2292 \func{virtual void}{SetCursor}{\param{const wxCursor\&}{cursor}}
2293
2294 % VZ: the docs are correct, if the code doesn't behave like this, it must be
2295 % changed
2296 Sets the window's cursor. Notice that the window cursor also sets it for the
2297 children of the window implicitly.
2298
2299 The {\it cursor} may be {\tt wxNullCursor} in which case the window cursor will
2300 be reset back to default.
2301
2302 \wxheading{Parameters}
2303
2304 \docparam{cursor}{Specifies the cursor that the window should normally display.}
2305
2306 \wxheading{See also}
2307
2308 \helpref{::wxSetCursor}{wxsetcursor}, \helpref{wxCursor}{wxcursor}
2309
2310
2311 \membersection{wxWindow::SetConstraints}\label{wxwindowsetconstraints}
2312
2313 \func{void}{SetConstraints}{\param{wxLayoutConstraints* }{constraints}}
2314
2315 Sets the window to have the given layout constraints. The window
2316 will then own the object, and will take care of its deletion.
2317 If an existing layout constraints object is already owned by the
2318 window, it will be deleted.
2319
2320 \wxheading{Parameters}
2321
2322 \docparam{constraints}{The constraints to set. Pass NULL to disassociate and delete the window's
2323 constraints.}
2324
2325 \wxheading{Remarks}
2326
2327 You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use
2328 the constraints automatically in OnSize; otherwise, you must override OnSize and call Layout()
2329 explicitly. When setting both a wxLayoutConstraints and a \helpref{wxSizer}{wxsizer}, only the
2330 sizer will have effect.
2331
2332
2333 \membersection{wxWindow::SetDropTarget}\label{wxwindowsetdroptarget}
2334
2335 \func{void}{SetDropTarget}{\param{wxDropTarget*}{ target}}
2336
2337 Associates a drop target with this window.
2338
2339 If the window already has a drop target, it is deleted.
2340
2341 \wxheading{See also}
2342
2343 \helpref{wxWindow::GetDropTarget}{wxwindowgetdroptarget},
2344 \helpref{Drag and drop overview}{wxdndoverview}
2345
2346
2347 \membersection{wxWindow::SetEventHandler}\label{wxwindowseteventhandler}
2348
2349 \func{void}{SetEventHandler}{\param{wxEvtHandler* }{handler}}
2350
2351 Sets the event handler for this window.
2352
2353 \wxheading{Parameters}
2354
2355 \docparam{handler}{Specifies the handler to be set.}
2356
2357 \wxheading{Remarks}
2358
2359 An event handler is an object that is capable of processing the events
2360 sent to a window. By default, the window is its own event handler, but
2361 an application may wish to substitute another, for example to allow
2362 central implementation of event-handling for a variety of different
2363 window classes.
2364
2365 It is usually better to use \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} since
2366 this sets up a chain of event handlers, where an event not handled by one event handler is
2367 handed to the next one in the chain.
2368
2369 \wxheading{See also}
2370
2371 \helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
2372 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
2373 \helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
2374 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
2375 \helpref{wxEvtHandler}{wxevthandler}
2376
2377
2378 \membersection{wxWindow::SetExtraStyle}\label{wxwindowsetextrastyle}
2379
2380 \func{void}{SetExtraStyle}{\param{long }{exStyle}}
2381
2382 Sets the extra style bits for the window. The currently defined extra style
2383 bits are:
2384
2385 \twocolwidtha{5cm}%
2386 \begin{twocollist}\itemsep=0pt
2387 \twocolitem{\windowstyle{wxWS\_EX\_VALIDATE\_RECURSIVELY}}{TransferDataTo/FromWindow()
2388 and Validate() methods will recursively descend into all children of the
2389 window if it has this style flag set.}
2390 \twocolitem{\windowstyle{wxWS\_EX\_BLOCK\_EVENTS}}{Normally, the command
2391 events are propagated upwards to the window parent recursively until a handler
2392 for them is found. Using this style allows to prevent them from being
2393 propagated beyond this window. Notice that wxDialog has this style on by
2394 default for the reasons explained in the
2395 \helpref{event processing overview}{eventprocessing}.}
2396 \twocolitem{\windowstyle{wxWS\_EX\_TRANSIENT}}{This can be used to prevent a
2397 window from being used as an implicit parent for the dialogs which were
2398 created without a parent. It is useful for the windows which can disappear at
2399 any moment as creating children of such windows results in fatal problems.}
2400 \twocolitem{\windowstyle{wxFRAME\_EX\_CONTEXTHELP}}{Under Windows, puts a query button on the
2401 caption. When pressed, Windows will go into a context-sensitive help mode and wxWindows will send
2402 a wxEVT\_HELP event if the user clicked on an application window.
2403 This style cannot be used together with wxMAXIMIZE\_BOX or wxMINIMIZE\_BOX, so
2404 you should use the style of
2405 {\tt wxDEFAULT\_FRAME\_STYLE \& \textasciitilde(wxMINIMIZE\_BOX | wxMAXIMIZE\_BOX)} for the
2406 frames having this style (the dialogs don't have minimize nor maximize box by
2407 default)}
2408 \end{twocollist}
2409
2410
2411 \membersection{wxWindow::SetFocus}\label{wxwindowsetfocus}
2412
2413 \func{virtual void}{SetFocus}{\void}
2414
2415 This sets the window to receive keyboard input.
2416
2417 \wxheading{See also}
2418
2419 \helpref{wxFocusEvent}{wxfocusevent}
2420
2421
2422 \membersection{wxWindow::SetFocusFromKbd}\label{wxwindowsetfocusfromkbd}
2423
2424 \func{virtual void}{SetFocusFromKbd}{\void}
2425
2426 This function is called by wxWindows keyboard navigation code when the user
2427 gives the focus to this window from keyboard (e.g. using {\tt TAB} key).
2428 By default this method simply calls \helpref{SetFocus}{wxwindowsetfocus} but
2429 can be overridden to do something in addition to this in the derived classes.
2430
2431
2432 \membersection{wxWindow::SetFont}\label{wxwindowsetfont}
2433
2434 \func{void}{SetFont}{\param{const wxFont\& }{font}}
2435
2436 Sets the font for this window.
2437
2438 \wxheading{Parameters}
2439
2440 \docparam{font}{Font to associate with this window.}
2441
2442 \wxheading{See also}
2443
2444 \helpref{wxWindow::GetFont}{wxwindowgetfont}
2445
2446
2447 \membersection{wxWindow::SetForegroundColour}\label{wxwindowsetforegroundcolour}
2448
2449 \func{virtual void}{SetForegroundColour}{\param{const wxColour\& }{colour}}
2450
2451 Sets the foreground colour of the window.
2452
2453 \wxheading{Parameters}
2454
2455 \docparam{colour}{The colour to be used as the foreground colour.}
2456
2457 \wxheading{Remarks}
2458
2459 The interpretation of foreground colour is open to interpretation according
2460 to the window class; it may be the text colour or other colour, or it may not
2461 be used at all.
2462
2463 Note that when using this functions under GTK, you will disable the so called "themes",
2464 i.e. the user chosen appearance of windows and controls, including the themes of
2465 their parent windows.
2466
2467 \wxheading{See also}
2468
2469 \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
2470 \helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
2471 \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour}
2472
2473
2474 \membersection{wxWindow::SetHelpText}\label{wxwindowsethelptext}
2475
2476 \func{virtual void}{SetHelpText}{\param{const wxString\& }{helpText}}
2477
2478 Sets the help text to be used as context-sensitive help for this window.
2479
2480 Note that the text is actually stored by the current \helpref{wxHelpProvider}{wxhelpprovider} implementation,
2481 and not in the window object itself.
2482
2483 \wxheading{See also}
2484
2485 \helpref{GetHelpText}{wxwindowgethelptext}, \helpref{wxHelpProvider}{wxhelpprovider}
2486
2487
2488 \membersection{wxWindow::SetId}\label{wxwindowsetid}
2489
2490 \func{void}{SetId}{\param{int}{ id}}
2491
2492 Sets the identifier of the window.
2493
2494 \wxheading{Remarks}
2495
2496 Each window has an integer identifier. If the application has not provided one,
2497 an identifier will be generated. Normally, the identifier should be provided
2498 on creation and should not be modified subsequently.
2499
2500 \wxheading{See also}
2501
2502 \helpref{wxWindow::GetId}{wxwindowgetid},\rtfsp
2503 \helpref{Window identifiers}{windowids}
2504
2505
2506 \membersection{wxWindow::SetName}\label{wxwindowsetname}
2507
2508 \func{virtual void}{SetName}{\param{const wxString\& }{name}}
2509
2510 Sets the window's name.
2511
2512 \wxheading{Parameters}
2513
2514 \docparam{name}{A name to set for the window.}
2515
2516 \wxheading{See also}
2517
2518 \helpref{wxWindow::GetName}{wxwindowgetname}
2519
2520
2521 \membersection{wxWindow::SetPalette}\label{wxwindowsetpalette}
2522
2523 \func{virtual void}{SetPalette}{\param{wxPalette* }{palette}}
2524
2525 Obsolete - use \helpref{wxDC::SetPalette}{wxdcsetpalette} instead.
2526
2527
2528 \membersection{wxWindow::SetScrollbar}\label{wxwindowsetscrollbar}
2529
2530 \func{virtual void}{SetScrollbar}{\param{int }{orientation}, \param{int }{position},\rtfsp
2531 \param{int }{thumbSize}, \param{int }{range},\rtfsp
2532 \param{bool }{refresh = {\tt true}}}
2533
2534 Sets the scrollbar properties of a built-in scrollbar.
2535
2536 \wxheading{Parameters}
2537
2538 \docparam{orientation}{Determines the scrollbar whose page size is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2539
2540 \docparam{position}{The position of the scrollbar in scroll units.}
2541
2542 \docparam{thumbSize}{The size of the thumb, or visible portion of the scrollbar, in scroll units.}
2543
2544 \docparam{range}{The maximum position of the scrollbar.}
2545
2546 \docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
2547
2548 \wxheading{Remarks}
2549
2550 Let's say you wish to display 50 lines of text, using the same font.
2551 The window is sized so that you can only see 16 lines at a time.
2552
2553 You would use:
2554
2555 {\small%
2556 \begin{verbatim}
2557 SetScrollbar(wxVERTICAL, 0, 16, 50);
2558 \end{verbatim}
2559 }
2560
2561 Note that with the window at this size, the thumb position can never go
2562 above 50 minus 16, or 34.
2563
2564 You can determine how many lines are currently visible by dividing the current view
2565 size by the character height in pixels.
2566
2567 When defining your own scrollbar behaviour, you will always need to recalculate
2568 the scrollbar settings when the window size changes. You could therefore put your
2569 scrollbar calculations and SetScrollbar
2570 call into a function named AdjustScrollbars, which can be called initially and also
2571 from your \helpref{wxSizeEvent}{wxsizeevent} handler function.
2572
2573 \wxheading{See also}
2574
2575 \helpref{Scrolling overview}{scrollingoverview},\rtfsp
2576 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2577
2578 \begin{comment}
2579
2580 \membersection{wxWindow::SetScrollPage}\label{wxwindowsetscrollpage}
2581
2582 \func{virtual void}{SetScrollPage}{\param{int }{orientation}, \param{int }{pageSize}, \param{bool }{refresh = {\tt true}}}
2583
2584 Sets the page size of one of the built-in scrollbars.
2585
2586 \wxheading{Parameters}
2587
2588 \docparam{orientation}{Determines the scrollbar whose page size is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2589
2590 \docparam{pageSize}{Page size in scroll units.}
2591
2592 \docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
2593
2594 \wxheading{Remarks}
2595
2596 The page size of a scrollbar is the number of scroll units that the scroll thumb travels when you
2597 click on the area above/left of or below/right of the thumb. Normally you will want a whole visible
2598 page to be scrolled, i.e. the size of the current view (perhaps the window client size). This
2599 value has to be adjusted when the window is resized, since the page size will have changed.
2600
2601 In addition to specifying how far the scroll thumb travels when paging, in Motif and some versions of Windows
2602 the thumb changes size to reflect the page size relative to the length of the document. When the
2603 document size is only slightly bigger than the current view (window) size, almost all of the scrollbar
2604 will be taken up by the thumb. When the two values become the same, the scrollbar will (on some systems)
2605 disappear.
2606
2607 Currently, this function should be called before SetPageRange, because of a quirk in the Windows
2608 handling of pages and ranges.
2609
2610 \wxheading{See also}
2611
2612 \helpref{wxWindow::SetScrollPos}{wxwindowsetscrollpos},\rtfsp
2613 \helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
2614 \helpref{wxWindow::GetScrollPage}{wxwindowsetscrollpage},\rtfsp
2615 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2616 \end{comment}
2617
2618
2619 \membersection{wxWindow::SetScrollPos}\label{wxwindowsetscrollpos}
2620
2621 \func{virtual void}{SetScrollPos}{\param{int }{orientation}, \param{int }{pos}, \param{bool }{refresh = {\tt true}}}
2622
2623 Sets the position of one of the built-in scrollbars.
2624
2625 \wxheading{Parameters}
2626
2627 \docparam{orientation}{Determines the scrollbar whose position is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2628
2629 \docparam{pos}{Position in scroll units.}
2630
2631 \docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
2632
2633 \wxheading{Remarks}
2634
2635 This function does not directly affect the contents of the window: it is up to the
2636 application to take note of scrollbar attributes and redraw contents accordingly.
2637
2638 \wxheading{See also}
2639
2640 \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar},\rtfsp
2641 \helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
2642 \helpref{wxWindow::GetScrollThumb}{wxwindowgetscrollthumb},\rtfsp
2643 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2644
2645 \begin{comment}
2646
2647 \membersection{wxWindow::SetScrollRange}\label{wxwindowsetscrollrange}
2648
2649 \func{virtual void}{SetScrollRange}{\param{int }{orientation}, \param{int }{range}, \param{bool }{refresh = {\tt true}}}
2650
2651 Sets the range of one of the built-in scrollbars.
2652
2653 \wxheading{Parameters}
2654
2655 \docparam{orientation}{Determines the scrollbar whose range is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2656
2657 \docparam{range}{Scroll range.}
2658
2659 \docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
2660
2661 \wxheading{Remarks}
2662
2663 The range of a scrollbar is the number of steps that the thumb may travel, rather than the total
2664 object length of the scrollbar. If you are implementing a scrolling window, for example, you
2665 would adjust the scroll range when the window is resized, by subtracting the window view size from the
2666 total virtual window size. When the two sizes are the same (all the window is visible), the range goes to zero
2667 and usually the scrollbar will be automatically hidden.
2668
2669 \wxheading{See also}
2670
2671 \helpref{wxWindow::SetScrollPos}{wxwindowsetscrollpos},\rtfsp
2672 \helpref{wxWindow::SetScrollPage}{wxwindowsetscrollpage},\rtfsp
2673 \helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
2674 \helpref{wxWindow::GetScrollPage}{wxwindowsetscrollpage},\rtfsp
2675 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2676 \end{comment}
2677
2678
2679 \membersection{wxWindow::SetSize}\label{wxwindowsetsize}
2680
2681 \func{virtual void}{SetSize}{\param{int}{ x}, \param{int}{ y}, \param{int}{ width}, \param{int}{ height},
2682 \param{int}{ sizeFlags = wxSIZE\_AUTO}}
2683
2684 \func{virtual void}{SetSize}{\param{const wxRect\&}{ rect}}
2685
2686 Sets the size and position of the window in pixels.
2687
2688 \func{virtual void}{SetSize}{\param{int}{ width}, \param{int}{ height}}
2689
2690 \func{virtual void}{SetSize}{\param{const wxSize\&}{ size}}
2691
2692 Sets the size of the window in pixels.
2693
2694 \wxheading{Parameters}
2695
2696 \docparam{x}{Required x position in pixels, or -1 to indicate that the existing
2697 value should be used.}
2698
2699 \docparam{y}{Required y position in pixels, or -1 to indicate that the existing
2700 value should be used.}
2701
2702 \docparam{width}{Required width in pixels, or -1 to indicate that the existing
2703 value should be used.}
2704
2705 \docparam{height}{Required height position in pixels, or -1 to indicate that the existing
2706 value should be used.}
2707
2708 \docparam{size}{\helpref{wxSize}{wxsize} object for setting the size.}
2709
2710 \docparam{rect}{\helpref{wxRect}{wxrect} object for setting the position and size.}
2711
2712 \docparam{sizeFlags}{Indicates the interpretation of other parameters. It is a bit list of the following:
2713
2714 {\bf wxSIZE\_AUTO\_WIDTH}: a -1 width value is taken to indicate
2715 a wxWindows-supplied default width.\\
2716 {\bf wxSIZE\_AUTO\_HEIGHT}: a -1 height value is taken to indicate
2717 a wxWindows-supplied default width.\\
2718 {\bf wxSIZE\_AUTO}: -1 size values are taken to indicate
2719 a wxWindows-supplied default size.\\
2720 {\bf wxSIZE\_USE\_EXISTING}: existing dimensions should be used
2721 if -1 values are supplied.\\
2722 {\bf wxSIZE\_ALLOW\_MINUS\_ONE}: allow dimensions of -1 and less to be interpreted
2723 as real dimensions, not default values.
2724 }
2725
2726 \wxheading{Remarks}
2727
2728 The second form is a convenience for calling the first form with default
2729 x and y parameters, and must be used with non-default width and height values.
2730
2731 The first form sets the position and optionally size, of the window.
2732 Parameters may be -1 to indicate either that a default should be supplied
2733 by wxWindows, or that the current value of the dimension should be used.
2734
2735 \wxheading{See also}
2736
2737 \helpref{wxWindow::Move}{wxwindowmove}
2738
2739 \pythonnote{In place of a single overloaded method name, wxPython
2740 implements the following methods:\par
2741 \indented{2cm}{\begin{twocollist}
2742 \twocolitem{{\bf SetDimensions(x, y, width, height, sizeFlags=wxSIZE\_AUTO)}}{}
2743 \twocolitem{{\bf SetSize(size)}}{}
2744 \twocolitem{{\bf SetPosition(point)}}{}
2745 \end{twocollist}}
2746 }
2747
2748
2749 \membersection{wxWindow::SetSizeHints}\label{wxwindowsetsizehints}
2750
2751 \func{virtual void}{SetSizeHints}{\param{int}{ minW=-1}, \param{int}{ minH=-1}, \param{int}{ maxW=-1}, \param{int}{ maxH=-1},
2752 \param{int}{ incW=-1}, \param{int}{ incH=-1}}
2753
2754 Allows specification of minimum and maximum window sizes, and window size increments.
2755 If a pair of values is not set (or set to -1), the default values will be used.
2756
2757 \wxheading{Parameters}
2758
2759 \docparam{minW}{Specifies the minimum width allowable.}
2760
2761 \docparam{minH}{Specifies the minimum height allowable.}
2762
2763 \docparam{maxW}{Specifies the maximum width allowable.}
2764
2765 \docparam{maxH}{Specifies the maximum height allowable.}
2766
2767 \docparam{incW}{Specifies the increment for sizing the width (Motif/Xt only).}
2768
2769 \docparam{incH}{Specifies the increment for sizing the height (Motif/Xt only).}
2770
2771 \wxheading{Remarks}
2772
2773 If this function is called, the user will not be able to size the window outside the
2774 given bounds.
2775
2776 The resizing increments are only significant under Motif or Xt.
2777
2778
2779 \membersection{wxWindow::SetSizer}\label{wxwindowsetsizer}
2780
2781 \func{void}{SetSizer}{\param{wxSizer* }{sizer}, \param{bool }{deleteOld=true}}
2782
2783 Sets the window to have the given layout sizer. The window
2784 will then own the object, and will take care of its deletion.
2785 If an existing layout constraints object is already owned by the
2786 window, it will be deleted if the deleteOld parameter is true.
2787
2788 Note that this function will also call
2789 \helpref{SetAutoLayout}{wxwindowsetautolayout} implicitly with {\tt true}
2790 parameter if the {\it sizer}\/ is non-NULL and {\tt false} otherwise.
2791
2792 \wxheading{Parameters}
2793
2794 \docparam{sizer}{The sizer to set. Pass NULL to disassociate and conditionally delete
2795 the window's sizer. See below.}
2796
2797 \docparam{deleteOld}{If true (the default), this will delete any prexisting sizer.
2798 Pass false if you wish to handle deleting the old sizer yourself.}
2799
2800 \wxheading{Remarks}
2801
2802 SetSizer now enables and disables Layout automatically, but prior to wxWindows 2.3.3
2803 the following applied:
2804
2805 You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use
2806 the sizer automatically in OnSize; otherwise, you must override OnSize and call Layout()
2807 explicitly. When setting both a wxSizer and a \helpref{wxLayoutConstraints}{wxlayoutconstraints},
2808 only the sizer will have effect.
2809
2810
2811 \membersection{wxWindow::SetSizerAndFit}\label{wxwindowsetsizerandfit}
2812
2813 \func{void}{SetSizerAndFit}{\param{wxSizer* }{sizer}, \param{bool }{deleteOld=true}}
2814
2815 The same as \helpref{SetSizer}{wxwindowsetsizer}, except it also sets the size hints
2816 for the window based on the sizer's minimum size.
2817
2818
2819 \membersection{wxWindow::SetTitle}\label{wxwindowsettitle}
2820
2821 \func{virtual void}{SetTitle}{\param{const wxString\& }{title}}
2822
2823 Sets the window's title. Applicable only to frames and dialogs.
2824
2825 \wxheading{Parameters}
2826
2827 \docparam{title}{The window's title.}
2828
2829 \wxheading{See also}
2830
2831 \helpref{wxWindow::GetTitle}{wxwindowgettitle}
2832
2833
2834 \membersection{wxWindow::SetThemeEnabled}\label{wxwindowsetthemeenabled}
2835
2836 \func{virtual void}{SetThemeEnabled}{\param{bool }{enable}}
2837
2838 This function tells a window if it should use the system's "theme" code
2839 to draw the windows' background instead if its own background drawing
2840 code. This does not always have any effect since the underlying platform
2841 obviously needs to support the notion of themes in user defined windows.
2842 One such platform is GTK+ where windows can have (very colourful) backgrounds
2843 defined by a user's selected theme.
2844
2845 Dialogs, notebook pages and the status bar have this flag set to true
2846 by default so that the default look and feel is simulated best.
2847
2848
2849 \membersection{wxWindow::SetToolTip}\label{wxwindowsettooltip}
2850
2851 \func{void}{SetToolTip}{\param{const wxString\& }{tip}}
2852
2853 \func{void}{SetToolTip}{\param{wxToolTip* }{tip}}
2854
2855 Attach a tooltip to the window.
2856
2857 See also: \helpref{GetToolTip}{wxwindowgettooltip},
2858 \helpref{wxToolTip}{wxtooltip}
2859
2860
2861 \membersection{wxWindow::SetValidator}\label{wxwindowsetvalidator}
2862
2863 \func{virtual void}{SetValidator}{\param{const wxValidator\&}{ validator}}
2864
2865 Deletes the current validator (if any) and sets the window validator, having called wxValidator::Clone to
2866 create a new validator of this type.
2867
2868
2869 \membersection{wxWindow::SetVirtualSize}\label{wxwindowsetvirtualsize}
2870
2871 \func{void}{SetVirtualSize}{\param{int}{ width}, \param{int}{ height}}
2872
2873 \func{void}{SetVirtualSize}{\param{const wxSize\&}{ size}}
2874
2875 Sets the virtual size of the window in pixels.
2876
2877
2878 \membersection{wxWindow::SetVirtualSizeHints}\label{wxwindowsetvirtualsizehints}
2879
2880 \func{virtual void}{SetVirtualSizeHints}{\param{int}{ minW},\param{int}{ minH}, \param{int}{ maxW=-1}, \param{int}{ maxH=-1}}
2881
2882 Allows specification of minimum and maximum virtual window sizes.
2883 If a pair of values is not set (or set to -1), the default values
2884 will be used.
2885
2886 \wxheading{Parameters}
2887
2888 \docparam{minW}{Specifies the minimum width allowable.}
2889
2890 \docparam{minH}{Specifies the minimum height allowable.}
2891
2892 \docparam{maxW}{Specifies the maximum width allowable.}
2893
2894 \docparam{maxH}{Specifies the maximum height allowable.}
2895
2896 \wxheading{Remarks}
2897
2898 If this function is called, the user will not be able to size the virtual area
2899 of the window outside the given bounds.
2900
2901
2902 \membersection{wxWindow::SetWindowStyle}\label{wxwindowsetwindowstyle}
2903
2904 \func{void}{SetWindowStyle}{\param{long}{ style}}
2905
2906 Identical to \helpref{SetWindowStyleFlag}{wxwindowsetwindowstyleflag}.
2907
2908
2909 \membersection{wxWindow::SetWindowStyleFlag}\label{wxwindowsetwindowstyleflag}
2910
2911 \func{virtual void}{SetWindowStyleFlag}{\param{long}{ style}}
2912
2913 Sets the style of the window. Please note that some styles cannot be changed
2914 after the window creation and that \helpref{Refresh()}{wxwindowrefresh} might
2915 be called after changing the others for the change to take place immediately.
2916
2917 See \helpref{Window styles}{windowstyles} for more information about flags.
2918
2919 \wxheading{See also}
2920
2921 \helpref{GetWindowStyleFlag}{wxwindowgetwindowstyleflag}
2922
2923
2924 \membersection{wxWindow::Show}\label{wxwindowshow}
2925
2926 \func{virtual bool}{Show}{\param{bool}{ show = {\tt true}}}
2927
2928 Shows or hides the window. You may need to call \helpref{Raise}{wxwindowraise}
2929 for a top level window if you want to bring it to top, although this is not
2930 needed if Show() is called immediately after the frame creation.
2931
2932 \wxheading{Parameters}
2933
2934 \docparam{show}{If {\tt true} displays the window. Otherwise, hides it.}
2935
2936 \wxheading{Return value}
2937
2938 {\tt true} if the window has been shown or hidden or {\tt false} if nothing was
2939 done because it already was in the requested state.
2940
2941 \wxheading{See also}
2942
2943 \helpref{wxWindow::IsShown}{wxwindowisshown}
2944
2945
2946 \membersection{wxWindow::Thaw}\label{wxwindowthaw}
2947
2948 \func{virtual void}{Thaw}{\void}
2949
2950 Reenables window updating after a previous call to
2951 \helpref{Freeze}{wxwindowfreeze}.
2952
2953
2954 \membersection{wxWindow::TransferDataFromWindow}\label{wxwindowtransferdatafromwindow}
2955
2956 \func{virtual bool}{TransferDataFromWindow}{\void}
2957
2958 Transfers values from child controls to data areas specified by their validators. Returns
2959 {\tt false} if a transfer failed.
2960
2961 If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2962 the method will also call TransferDataFromWindow() of all child windows.
2963
2964 \wxheading{See also}
2965
2966 \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow},\rtfsp
2967 \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::Validate}{wxwindowvalidate}
2968
2969
2970 \membersection{wxWindow::TransferDataToWindow}\label{wxwindowtransferdatatowindow}
2971
2972 \func{virtual bool}{TransferDataToWindow}{\void}
2973
2974 Transfers values to child controls from data areas specified by their validators.
2975
2976 If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2977 the method will also call TransferDataToWindow() of all child windows.
2978
2979 \wxheading{Return value}
2980
2981 Returns {\tt false} if a transfer failed.
2982
2983 \wxheading{See also}
2984
2985 \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2986 \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::Validate}{wxwindowvalidate}
2987
2988
2989 \membersection{wxWindow::UnregisterHotKey}\label{wxwindowunregisterhotkey}
2990
2991 \func{bool}{UnregisterHotKey}{\param{int}{ hotkeyId}}
2992
2993 Unregisters a system wide hotkey.
2994
2995 \wxheading{Parameters}
2996
2997 \docparam{hotkeyId}{Numeric identifier of the hotkey. Must be the same id that was passed to RegisterHotKey.}
2998
2999 \wxheading{Return value}
3000
3001 {\tt true} if the hotkey was unregistered successfully, {\tt false} if the id was invalid.
3002
3003 \wxheading{Remarks}
3004
3005 This function is currently only implemented under MSW.
3006
3007 \wxheading{See also}
3008
3009 \helpref{wxWindow::RegisterHotKey}{wxwindowregisterhotkey}
3010
3011
3012 \membersection{wxWindow::Update}\label{wxwindowupdate}
3013
3014 \func{virtual void}{Update}{\void}
3015
3016 Calling this method immediately repaints the invalidated area of the window
3017 while this would usually only happen when the flow of control returns to the
3018 event loop. Notice that this function doesn't refresh the window and does
3019 nothing if the window hadn't been already repainted. Use
3020 \helpref{Refresh}{wxwindowrefresh} first if you want to immediately redraw the
3021 window unconditionally.
3022
3023
3024 \membersection{wxWindow::UpdateWindowUI}\label{wxwindowupdatewindowui}
3025
3026 \func{virtual void}{UpdateWindowUI}{\param{long}{ flags = wxUPDATE_UI_NONE}}
3027
3028 This function sends \helpref{wxUpdateUIEvents}{wxupdateuievent} to
3029 the window. The particular implementation depends on the window; for
3030 example a wxToolBar will send an update UI event for each toolbar button,
3031 and a wxFrame will send an update UI event for each menubar menu item.
3032 You can call this function from your application to ensure that your
3033 UI is up-to-date at this point (as far as your wxUpdateUIEvent handlers
3034 are concerned). This may be necessary if you have called
3035 \helpref{wxUpdateUIEvent::SetMode}{wxupdateuieventsetmode} or
3036 \helpref{wxUpdateUIEvent::SetUpdateInterval}{wxupdateuieventsetupdateinterval} to
3037 limit the overhead that wxWindows incurs by sending update UI events in idle time.
3038
3039 {\it flags} should be a bitlist of one or more of the following values.
3040
3041 \begin{verbatim}
3042 enum wxUpdateUI
3043 {
3044 wxUPDATE_UI_NONE = 0x0000, // No particular value
3045 wxUPDATE_UI_RECURSE = 0x0001, // Call the function for descendants
3046 wxUPDATE_UI_FROMIDLE = 0x0002 // Invoked from On(Internal)Idle
3047 };
3048 \end{verbatim}
3049
3050 If you are calling this function from an OnInternalIdle or OnIdle
3051 function, make sure you pass the wxUPDATE\_UI\_FROMIDLE flag, since
3052 this tells the window to only update the UI elements that need
3053 to be updated in idle time. Some windows update their elements
3054 only when necessary, for example when a menu is about to be shown.
3055 The following is an example of how to call UpdateWindowUI from
3056 an idle function.
3057
3058 \begin{verbatim}
3059 void MyWindow::OnInternalIdle()
3060 {
3061 if (wxUpdateUIEvent::CanUpdate(this))
3062 UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
3063 }
3064 \end{verbatim}
3065
3066 \wxheading{See also}
3067
3068 \helpref{wxUpdateUIEvent}{wxupdateuievent},
3069 \helpref{wxWindow::DoUpdateWindowUI}{wxwindowdoupdatewindowui},
3070 \helpref{wxWindow::OnInternalIdle}{wxwindowoninternalidle}
3071
3072
3073 \membersection{wxWindow::Validate}\label{wxwindowvalidate}
3074
3075 \func{virtual bool}{Validate}{\void}
3076
3077 Validates the current values of the child controls using their validators.
3078
3079 If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
3080 the method will also call Validate() of all child windows.
3081
3082 \wxheading{Return value}
3083
3084 Returns {\tt false} if any of the validations failed.
3085
3086 \wxheading{See also}
3087
3088 \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
3089 \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
3090 \helpref{wxValidator}{wxvalidator}
3091
3092
3093 \membersection{wxWindow::WarpPointer}\label{wxwindowwarppointer}
3094
3095 \func{void}{WarpPointer}{\param{int}{ x}, \param{int}{ y}}
3096
3097 Moves the pointer to the given position on the window.
3098
3099 {\bf NB: } This function is not supported under Mac because Apple Human
3100 Interface Guidelines forbid moving the mouse cursor programmatically.
3101
3102 \wxheading{Parameters}
3103
3104 \docparam{x}{The new x position for the cursor.}
3105
3106 \docparam{y}{The new y position for the cursor.}
3107