]> git.saurik.com Git - wxWidgets.git/blob - docs/latex/wx/window.tex
added wxEncodingConverter
[wxWidgets.git] / docs / latex / wx / window.tex
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{wxNO\_3D}}{Prevents the children of this window taking on 3D styles, even though
39 the application-wide policy is for 3D controls. Windows only.}
40 \twocolitem{\windowstyle{wxTAB\_TRAVERSAL}}{Use this to enable tab traversal for non-dialog windows.}
41 \twocolitem{\windowstyle{wxWANTS\_CHARS}}{Use this to indicate that the window
42 wants to get all char events - even for keys like TAB or ENTER which are
43 usually used for dialog navigation and which wouldn't be generated without
44 this style}
45 \twocolitem{\windowstyle{wxNO\_FULLREPAINT\_ON\_RESIZE}}{Disables repainting
46 the window completely when its size is changed - you will have to repaint the
47 new window area manually if you use style. Currently only has effect for
48 Windows.}
49 \twocolitem{\windowstyle{wxVSCROLL}}{Use this style to enable a vertical scrollbar. (Still used?) }
50 \twocolitem{\windowstyle{wxHSCROLL}}{Use this style to enable a horizontal scrollbar. (Still used?) }
51 \twocolitem{\windowstyle{wxCLIP\_CHILDREN}}{Use this style to eliminate flicker caused by the background being
52 repainted, then children being painted over them. Windows only.}
53 \end{twocollist}
54
55 See also \helpref{window styles overview}{windowstyles}.
56
57 \wxheading{See also}
58
59 \helpref{Event handling overview}{eventhandlingoverview}
60
61 \latexignore{\rtfignore{\wxheading{Members}}}
62
63 \membersection{wxWindow::wxWindow}
64
65 \func{}{wxWindow}{\void}
66
67 Default constructor.
68
69 \func{}{wxWindow}{\param{wxWindow*}{ parent}, \param{wxWindowID }{id},
70 \param{const wxPoint\& }{pos = wxDefaultPosition},
71 \param{const wxSize\& }{size = wxDefaultSize},
72 \param{long }{style = 0},
73 \param{const wxString\& }{name = wxPanelNameStr}}
74
75 Constructs a window, which can be a child of a frame, dialog or any other non-control window.
76
77 \wxheading{Parameters}
78
79 \docparam{parent}{Pointer to a parent window.}
80
81 \docparam{id}{Window identifier. If -1, will automatically create an identifier.}
82
83 \docparam{pos}{Window position. wxDefaultPosition is (-1, -1) which indicates that wxWindows
84 should generate a default position for the window. If using the wxWindow class directly, supply
85 an actual position.}
86
87 \docparam{size}{Window size. wxDefaultSize is (-1, -1) which indicates that wxWindows
88 should generate a default size for the window. If no suitable size can be found, the
89 window will be sized to 20x20 pixels so that the window is visible but obviously not
90 correctly sized. }
91
92 \docparam{style}{Window style. For generic window styles, please see \helpref{wxWindow}{wxwindow}.}
93
94 \docparam{name}{Window name.}
95
96 \membersection{wxWindow::\destruct{wxWindow}}
97
98 \func{}{\destruct{wxWindow}}{\void}
99
100 Destructor. Deletes all subwindows, then deletes itself. Instead of using
101 the {\bf delete} operator explicitly, you should normally
102 use \helpref{wxWindow::Destroy}{wxwindowdestroy} so that wxWindows
103 can delete a window only when it is safe to do so, in idle time.
104
105 \wxheading{See also}
106
107 \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
108 \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow},\rtfsp
109 \helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp
110 \helpref{wxCloseEvent}{wxcloseevent}
111
112 \membersection{wxWindow::AddChild}
113
114 \func{virtual void}{AddChild}{\param{wxWindow* }{child}}
115
116 Adds a child window. This is called automatically by window creation
117 functions so should not be required by the application programmer.
118
119 \wxheading{Parameters}
120
121 \docparam{child}{Child window to add.}
122
123 \membersection{wxWindow::CaptureMouse}\label{wxwindowcapturemouse}
124
125 \func{virtual void}{CaptureMouse}{\void}
126
127 Directs all mouse input to this window. Call \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse} to
128 release the capture.
129
130 \wxheading{See also}
131
132 \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse}
133
134 \membersection{wxWindow::Center}\label{wxwindowcenter}
135
136 \func{void}{Center}{\param{int}{ direction}}
137
138 A synonym for \helpref{Centre}{wxwindowcentre}.
139
140 \membersection{wxWindow::CenterOnParent}\label{wxwindowcenteronparent}
141
142 \func{void}{CenterOnParent}{\param{int}{ direction}}
143
144 A synonym for \helpref{CentreOnParent}{wxwindowcentreonparent}.
145
146 \membersection{wxWindow::Centre}\label{wxwindowcentre}
147
148 \func{void}{Centre}{\param{int}{ direction = wxHORIZONTAL}}
149
150 Centres the window.
151
152 \wxheading{Parameters}
153
154 \docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
155 or {\tt wxBOTH}. It may also include {\tt wxCENTRE\_ON\_SCREEN} flag
156 if you want to center the window on the entire screen and not on its
157 parent window.}
158
159 The flag {\tt wxCENTRE\_FRAME} is obsolete and should not be used any longer.
160
161 \wxheading{Remarks}
162
163 If the window is a top level one (i.e. doesn't have a parent), it will be
164 centered relative to the screen anyhow.
165
166 \wxheading{See also}
167
168 \helpref{wxWindow::Center}{wxwindowcenter}
169
170 \membersection{wxWindow::CentreOnParent}\label{wxwindowcentreonparent}
171
172 \func{void}{CentreOnParent}{\param{int}{ direction = wxHORIZONTAL}}
173
174 Centres the window.
175
176 \wxheading{Parameters}
177
178 \docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
179 or {\tt wxBOTH}.}
180
181 \wxheading{Remarks}
182
183 This methods provides for a way to center top level windows over their
184 parents instead of the entire screen. If there is no parent or if the
185 window is not a top level window, then behaviour is the same as
186 \helpref{wxWindow::Centre}{wxwindowcentre}.
187
188 \wxheading{See also}
189
190 \helpref{wxWindow::CenterOnParent}{wxwindowcenteronparent}
191
192 \membersection{wxWindow::Clear}\label{wxwindowclear}
193
194 \func{void}{Clear}{\void}
195
196 Clears the window by filling it with the current background colour. Does not
197 cause an erase background event to be generated.
198
199 \membersection{wxWindow::ClientToScreen}
200
201 \constfunc{virtual void}{ClientToScreen}{\param{int* }{x}, \param{int* }{y}}
202
203 \constfunc{virtual wxPoint}{ClientToScreen}{\param{const wxPoint\&}{ pt}}
204
205 Converts to screen coordinates from coordinates relative to this window.
206
207 \docparam{x}{A pointer to a integer value for the x coordinate. Pass the client coordinate in, and
208 a screen coordinate will be passed out.}
209
210 \docparam{y}{A pointer to a integer value for the y coordinate. Pass the client coordinate in, and
211 a screen coordinate will be passed out.}
212
213 \docparam{pt}{The client position for the second form of the function.}
214
215 \pythonnote{In place of a single overloaded method name, wxPython
216 implements the following methods:\par
217 \indented{2cm}{\begin{twocollist}
218 \twocolitem{{\bf ClientToScreen(point)}}{Accepts and returns a wxPoint}
219 \twocolitem{{\bf ClientToScreenXY(x, y)}}{Returns a 2-tuple, (x, y)}
220 \end{twocollist}}
221 }
222
223
224 \membersection{wxWindow::Close}\label{wxwindowclose}
225
226 \func{virtual bool}{Close}{\param{bool}{ force = FALSE}}
227
228 The purpose of this call is to provide a safer way of destroying a window than using
229 the {\it delete} operator.
230
231 \wxheading{Parameters}
232
233 \docparam{force}{FALSE if the window's close handler should be able to veto the destruction
234 of this window, TRUE if it cannot.}
235
236 \wxheading{Remarks}
237
238 Close calls the \helpref{close handler}{wxcloseevent} for the window, providing an opportunity for the window to
239 choose whether to destroy the window.
240
241 The close handler should check whether the window is being deleted forcibly,
242 using \helpref{wxCloseEvent::GetForce}{wxcloseeventgetforce}, in which case it should
243 destroy the window using \helpref{wxWindow::Destroy}{wxwindowdestroy}.
244
245 Applies to managed windows (wxFrame and wxDialog classes) only.
246
247 {\it Note} that calling Close does not guarantee that the window will be destroyed; but it
248 provides a way to simulate a manual close of a window, which may or may not be implemented by
249 destroying the window. The default implementation of wxDialog::OnCloseWindow does not
250 necessarily delete the dialog, since it will simply simulate an wxID\_CANCEL event which
251 itself only hides the dialog.
252
253 To guarantee that the window will be destroyed, call \helpref{wxWindow::Destroy}{wxwindowdestroy} instead.
254
255 \wxheading{See also}
256
257 \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
258 \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow},\rtfsp
259 \helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp
260 \helpref{wxCloseEvent}{wxcloseevent}
261
262 \membersection{wxWindow::ConvertDialogToPixels}\label{wxwindowconvertdialogtopixels}
263
264 \func{wxPoint}{ConvertDialogToPixels}{\param{const wxPoint\&}{ pt}}
265
266 \func{wxSize}{ConvertDialogToPixels}{\param{const wxSize\&}{ sz}}
267
268 Converts a point or size from dialog units to pixels.
269
270 For the x dimension, the dialog units are multiplied by the average character width
271 and then divided by 4.
272
273 For the y dimension, the dialog units are multiplied by the average character height
274 and then divided by 8.
275
276 \wxheading{Remarks}
277
278 Dialog units are used for maintaining a dialog's proportions even if the font changes.
279 Dialogs created using Dialog Editor optionally use dialog units.
280
281 You can also use these functions programmatically. A convenience macro is defined:
282
283 {\small
284 \begin{verbatim}
285 #define wxDLG_UNIT(parent, pt) parent->ConvertDialogToPixels(pt)
286 \end{verbatim}
287 }
288
289 \wxheading{See also}
290
291 \helpref{wxWindow::ConvertPixelsToDialog}{wxwindowconvertpixelstodialog}
292
293 \pythonnote{In place of a single overloaded method name, wxPython
294 implements the following methods:\par
295 \indented{2cm}{\begin{twocollist}
296 \twocolitem{{\bf ConvertDialogPointToPixels(point)}}{Accepts and returns a wxPoint}
297 \twocolitem{{\bf ConvertDialogSizeToPixels(size)}}{Accepts and returns a wxSize}
298 \end{twocollist}}
299
300 Additionally, the following helper functions are defined:\par
301 \indented{2cm}{\begin{twocollist}
302 \twocolitem{{\bf wxDLG\_PNT(win, point)}}{Converts a wxPoint from dialog
303 units to pixels}
304 \twocolitem{{\bf wxDLG\_SZE(win, size)}}{Converts a wxSize from dialog
305 units to pixels}
306 \end{twocollist}}
307 }
308
309
310 \membersection{wxWindow::ConvertPixelsToDialog}\label{wxwindowconvertpixelstodialog}
311
312 \func{wxPoint}{ConvertPixelsToDialog}{\param{const wxPoint\&}{ pt}}
313
314 \func{wxSize}{ConvertPixelsToDialog}{\param{const wxSize\&}{ sz}}
315
316 Converts a point or size from pixels to dialog units.
317
318 For the x dimension, the pixels are multiplied by 4 and then divided by the average
319 character width.
320
321 For the y dimension, the pixels are multipled by 8 and then divided by the average
322 character height.
323
324 \wxheading{Remarks}
325
326 Dialog units are used for maintaining a dialog's proportions even if the font changes.
327 Dialogs created using Dialog Editor optionally use dialog units.
328
329 \wxheading{See also}
330
331 \helpref{wxWindow::ConvertDialogToPixels}{wxwindowconvertdialogtopixels}
332
333
334 \pythonnote{In place of a single overloaded method name, wxPython
335 implements the following methods:\par
336 \indented{2cm}{\begin{twocollist}
337 \twocolitem{{\bf ConvertDialogPointToPixels(point)}}{Accepts and returns a wxPoint}
338 \twocolitem{{\bf ConvertDialogSizeToPixels(size)}}{Accepts and returns a wxSize}
339 \end{twocollist}}
340 }
341
342 \membersection{wxWindow::Destroy}\label{wxwindowdestroy}
343
344 \func{virtual bool}{Destroy}{\void}
345
346 Destroys the window safely. Use this function instead of the delete operator, since
347 different window classes can be destroyed differently. Frames and dialogs
348 are not destroyed immediately when this function is called - they are added
349 to a list of windows to be deleted on idle time, when all the window's events
350 have been processed. This prevents problems with events being sent to non-existant
351 windows.
352
353 \wxheading{Return value}
354
355 TRUE if the window has either been successfully deleted, or it has been added
356 to the list of windows pending real deletion.
357
358 \membersection{wxWindow::DestroyChildren}
359
360 \func{virtual void}{DestroyChildren}{\void}
361
362 Destroys all children of a window. Called automatically by the destructor.
363
364 \membersection{wxWindow::DragAcceptFiles}\label{wxwindowdragacceptfiles}
365
366 \func{virtual void}{DragAcceptFiles}{\param{bool}{ accept}}
367
368 Enables or disables elibility for drop file events (OnDropFiles).
369
370 \wxheading{Parameters}
371
372 \docparam{accept}{If TRUE, the window is eligible for drop file events. If FALSE, the window
373 will not accept drop file events.}
374
375 \wxheading{Remarks}
376
377 Windows only.
378
379 \wxheading{See also}
380
381 \helpref{wxWindow::OnDropFiles}{wxwindowondropfiles}
382
383 \membersection{wxWindow::Enable}\label{wxwindowenable}
384
385 \func{virtual void}{Enable}{\param{bool}{ enable}}
386
387 Enable or disable the window for user input.
388
389 \wxheading{Parameters}
390
391 \docparam{enable}{If TRUE, enables the window for input. If FALSE, disables the window.}
392
393 \wxheading{See also}
394
395 \helpref{wxWindow::IsEnabled}{wxwindowisenabled}
396
397 \membersection{wxWindow::FindFocus}\label{wxwindowfindfocus}
398
399 \func{static wxWindow*}{FindFocus}{\void}
400
401 Finds the window or control which currently has the keyboard focus.
402
403 \wxheading{Remarks}
404
405 Note that this is a static function, so it can be called without needing a wxWindow pointer.
406
407 \wxheading{See also}
408
409 \helpref{wxWindow::SetFocus}{wxwindowsetfocus}
410
411 \membersection{wxWindow::FindWindow}\label{wxwindowfindwindow}
412
413 \func{wxWindow*}{FindWindow}{\param{long}{ id}}
414
415 Find a child of this window, by identifier.
416
417 \func{wxWindow*}{FindWindow}{\param{const wxString\&}{ name}}
418
419 Find a child of this window, by name.
420
421 \pythonnote{In place of a single overloaded method name, wxPython
422 implements the following methods:\par
423 \indented{2cm}{\begin{twocollist}
424 \twocolitem{{\bf FindWindowById(id)}}{Accepts an integer}
425 \twocolitem{{\bf FindWindowByName(name)}}{Accepts a string}
426 \end{twocollist}}
427 }
428
429 \membersection{wxWindow::Fit}\label{wxwindowfit}
430
431 \func{virtual void}{Fit}{\void}
432
433 Sizes the window so that it fits around its subwindows. This function won't do
434 anything if there are no subwindows.
435
436 \membersection{wxWindow::GetBackgroundColour}\label{wxwindowgetbackgroundcolour}
437
438 \constfunc{virtual wxColour}{GetBackgroundColour}{\void}
439
440 Returns the background colour of the window.
441
442 \wxheading{See also}
443
444 \helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
445 \helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
446 \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
447 \helpref{wxWindow::OnEraseBackground}{wxwindowonerasebackground}
448
449 \membersection{wxWindow::GetBestSize}{wxwindowgetbestsize}
450
451 \constfunc{virtual wxSize}{GetBestSize}{\void}
452
453 This functions returns the best acceptable minimal size for the window. For
454 example, for a static control, it will be the minimal size such that the
455 control label is not truncated. For windows containing subwindows (typically
456 \helpref{wxPanel}wxpanel}), the size returned by this function will be the
457 same as the size the window would have had after calling
458 \helpref{Fit}{wxwindowfit}.
459
460 \membersection{wxWindow::GetCharHeight}
461
462 \constfunc{virtual int}{GetCharHeight}{\void}
463
464 Returns the character height for this window.
465
466 \membersection{wxWindow::GetCharWidth}
467
468 \constfunc{virtual int}{GetCharWidth}{\void}
469
470 Returns the average character width for this window.
471
472 \membersection{wxWindow::GetChildren}
473
474 \func{wxList\&}{GetChildren}{\void}
475
476 Returns a reference to the list of the window's children.
477
478 \membersection{wxWindow::GetClientSize}\label{wxwindowgetclientsize}
479
480 \constfunc{virtual void}{GetClientSize}{\param{int* }{width}, \param{int* }{height}}
481
482 \constfunc{virtual wxSize}{GetClientSize}{\void}
483
484 This gets the size of the window `client area' in pixels. The client area is the
485 area which may be drawn on by the programmer, excluding title bar, border etc.
486
487 \wxheading{Parameters}
488
489 \docparam{width}{Receives the client width in pixels.}
490
491 \docparam{height}{Receives the client height in pixels.}
492
493 \pythonnote{In place of a single overloaded method name, wxPython
494 implements the following methods:\par
495 \indented{2cm}{\begin{twocollist}
496 \twocolitem{{\bf wxGetClientSizeTuple()}}{Returns a 2-tuple of (width, height)}
497 \twocolitem{{\bf wxGetClientSize()}}{Returns a wxSize object}
498 \end{twocollist}}
499 }
500
501 \membersection{wxWindow::GetConstraints}\label{wxwindowgetconstraints}
502
503 \constfunc{wxLayoutConstraints*}{GetConstraints}{\void}
504
505 Returns a pointer to the window's layout constraints, or NULL if there are none.
506
507 \membersection{wxWindow::GetDefaultItem}\label{wxwindowgetdefaultitem}
508
509 \constfunc{wxButton*}{GetDefaultItem}{\void}
510
511 Returns a pointer to the button which is the default for this window, or NULL.
512
513 \membersection{wxWindow::GetDropTarget}\label{wxwindowgetdroptarget}
514
515 \constfunc{wxDropTarget*}{GetDropTarget}{\void}
516
517 Returns the associated drop target, which may be NULL.
518
519 \wxheading{See also}
520
521 \helpref{wxWindow::SetDropTarget}{wxwindowsetdroptarget},
522 \helpref{Drag and drop overview}{wxdndoverview}
523
524 \membersection{wxWindow::GetEventHandler}\label{wxwindowgeteventhandler}
525
526 \constfunc{wxEvtHandler*}{GetEventHandler}{\void}
527
528 Returns the event handler for this window. By default, the window is its
529 own event handler.
530
531 \wxheading{See also}
532
533 \helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
534 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
535 \helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
536 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
537 \helpref{wxEvtHandler}{wxevthandler}\rtfsp
538
539 \membersection{wxWindow::GetFont}\label{wxwindowgetfont}
540
541 \constfunc{wxFont\&}{GetFont}{\void}
542
543 Returns a reference to the font for this window.
544
545 \wxheading{See also}
546
547 \helpref{wxWindow::SetFont}{wxwindowsetfont}
548
549 \membersection{wxWindow::GetForegroundColour}\label{wxwindowgetforegroundcolour}
550
551 \func{virtual wxColour}{GetForegroundColour}{\void}
552
553 Returns the foreground colour of the window.
554
555 \wxheading{Remarks}
556
557 The interpretation of foreground colour is open to interpretation according
558 to the window class; it may be the text colour or other colour, or it may not
559 be used at all.
560
561 \wxheading{See also}
562
563 \helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
564 \helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
565 \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour}
566
567 \membersection{wxWindow::GetGrandParent}
568
569 \constfunc{wxWindow*}{GetGrandParent}{\void}
570
571 Returns the grandparent of a window, or NULL if there isn't one.
572
573 \membersection{wxWindow::GetHandle}
574
575 \constfunc{void*}{GetHandle}{\void}
576
577 Returns the platform-specific handle of the physical window. Cast it to an appropriate
578 handle, such as {\bf HWND} for Windows, {\bf Widget} for Motif or {\bf GtkWidget} for GTK.
579
580 \pythonnote{This method will return an integer in wxPython.}
581
582 \membersection{wxWindow::GetId}\label{wxwindowgetid}
583
584 \constfunc{int}{GetId}{\void}
585
586 Returns the identifier of the window.
587
588 \wxheading{Remarks}
589
590 Each window has an integer identifier. If the application has not provided one
591 (or the default Id -1) an unique identifier with a negative value will be generated.
592
593 \wxheading{See also}
594
595 \helpref{wxWindow::SetId}{wxwindowsetid}\rtfsp
596 \helpref{Window identifiers}{windowids}
597
598 \membersection{wxWindow::GetPosition}
599
600 \constfunc{virtual void}{GetPosition}{\param{int* }{x}, \param{int* }{y}}
601
602 This gets the position of the window in pixels, relative to the parent window or
603 if no parent, relative to the whole display.
604
605 \wxheading{Parameters}
606
607 \docparam{x}{Receives the x position of the window.}
608
609 \docparam{y}{Receives the y position of the window.}
610
611 \pythonnote{In place of a single overloaded method name, wxPython
612 implements the following methods:\par
613 \indented{2cm}{\begin{twocollist}
614 \twocolitem{{\bf GetPosition()}}{Returns a wxPoint}
615 \twocolitem{{\bf GetPositionTuple()}}{Returns a tuple (x, y)}
616 \end{twocollist}}
617 }
618
619 \membersection{wxWindow::GetLabel}
620
621 \constfunc{virtual wxString }{GetLabel}{\void}
622
623 Generic way of getting a label from any window, for
624 identification purposes.
625
626 \wxheading{Remarks}
627
628 The interpretation of this function differs from class to class.
629 For frames and dialogs, the value returned is the title. For buttons or static text controls, it is
630 the button text. This function can be useful for meta-programs (such as testing
631 tools or special-needs access programs) which need to identify windows
632 by name.
633
634 \membersection{wxWindow::GetName}\label{wxwindowgetname}
635
636 \constfunc{virtual wxString }{GetName}{\void}
637
638 Returns the window's name.
639
640 \wxheading{Remarks}
641
642 This name is not guaranteed to be unique; it is up to the programmer to supply an appropriate
643 name in the window constructor or via \helpref{wxWindow::SetName}{wxwindowsetname}.
644
645 \wxheading{See also}
646
647 \helpref{wxWindow::SetName}{wxwindowsetname}
648
649 \membersection{wxWindow::GetParent}
650
651 \constfunc{virtual wxWindow*}{GetParent}{\void}
652
653 Returns the parent of the window, or NULL if there is no parent.
654
655 \membersection{wxWindow::GetRect}\label{wxwindowgetrect}
656
657 \constfunc{virtual wxRect}{GetRect}{\void}
658
659 Returns the size and position of the window as a \helpref{wxRect}{wxrect} object.
660
661 \membersection{wxWindow::GetScrollThumb}\label{wxwindowgetscrollthumb}
662
663 \func{virtual int}{GetScrollThumb}{\param{int }{orientation}}
664
665 Returns the built-in scrollbar thumb size.
666
667 \wxheading{See also}
668
669 \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
670
671 \membersection{wxWindow::GetScrollPos}\label{wxwindowgetscrollpos}
672
673 \func{virtual int}{GetScrollPos}{\param{int }{orientation}}
674
675 Returns the built-in scrollbar position.
676
677 \wxheading{See also}
678
679 See \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
680
681 \membersection{wxWindow::GetScrollRange}\label{wxwindowgetscrollrange}
682
683 \func{virtual int}{GetScrollRange}{\param{int }{orientation}}
684
685 Returns the built-in scrollbar range.
686
687 \wxheading{See also}
688
689 \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
690
691 \membersection{wxWindow::GetSize}\label{wxwindowgetsize}
692
693 \constfunc{virtual void}{GetSize}{\param{int* }{width}, \param{int* }{height}}
694
695 \constfunc{virtual wxSize}{GetSize}{\void}
696
697 This gets the size of the entire window in pixels.
698
699 \wxheading{Parameters}
700
701 \docparam{width}{Receives the window width.}
702
703 \docparam{height}{Receives the window height.}
704
705 \pythonnote{In place of a single overloaded method name, wxPython
706 implements the following methods:\par
707 \indented{2cm}{\begin{twocollist}
708 \twocolitem{{\bf GetSize()}}{Returns a wxSize}
709 \twocolitem{{\bf GetSizeTuple()}}{Returns a 2-tuple (width, height)}
710 \end{twocollist}}
711 }
712
713 \membersection{wxWindow::GetTextExtent}
714
715 \constfunc{virtual void}{GetTextExtent}{\param{const wxString\& }{string}, \param{int* }{x}, \param{int* }{y},
716 \param{int* }{descent = NULL}, \param{int* }{externalLeading = NULL},
717 \param{const wxFont* }{font = NULL}, \param{bool}{ use16 = FALSE}}
718
719 Gets the dimensions of the string as it would be drawn on the
720 window with the currently selected font.
721
722 \wxheading{Parameters}
723
724 \docparam{string}{String whose extent is to be measured.}
725
726 \docparam{x}{Return value for width.}
727
728 \docparam{y}{Return value for height.}
729
730 \docparam{descent}{Return value for descent (optional).}
731
732 \docparam{externalLeading}{Return value for external leading (optional).}
733
734 \docparam{font}{Font to use instead of the current window font (optional).}
735
736 \docparam{use16}{If TRUE, {\it string} contains 16-bit characters. The default is FALSE.}
737
738
739 \pythonnote{In place of a single overloaded method name, wxPython
740 implements the following methods:\par
741 \indented{2cm}{\begin{twocollist}
742 \twocolitem{{\bf GetTextExtent(string)}}{Returns a 2-tuple, (width, height)}
743 \twocolitem{{\bf GetFullTextExtent(string, font=NULL)}}{Returns a
744 4-tuple, (width, height, descent, externalLeading) }
745 \end{twocollist}}
746 }
747
748
749 \membersection{wxWindow::GetTitle}\label{wxwindowgettitle}
750
751 \func{virtual wxString}{GetTitle}{\void}
752
753 Gets the window's title. Applicable only to frames and dialogs.
754
755 \wxheading{See also}
756
757 \helpref{wxWindow::SetTitle}{wxwindowsettitle}
758
759 \membersection{wxWindow::GetUpdateRegion}\label{wxwindowgetupdateregion}
760
761 \constfunc{virtual wxRegion}{GetUpdateRegion}{\void}
762
763 Returns the region specifying which parts of the window have been damaged. Should
764 only be called within an \helpref{OnPaint}{wxwindowonpaint} event handler.
765
766 \wxheading{See also}
767
768 \helpref{wxRegion}{wxregion}, \helpref{wxRegionIterator}{wxregioniterator}, \helpref{wxWindow::OnPaint}{wxwindowonpaint}
769
770 \membersection{wxWindow::GetValidator}\label{wxwindowgetvalidator}
771
772 \constfunc{wxValidator*}{GetValidator}{\void}
773
774 Returns a pointer to the current validator for the window, or NULL if there is none.
775
776 \membersection{wxWindow::GetWindowStyleFlag}
777
778 \constfunc{long}{GetWindowStyleFlag}{\void}
779
780 Gets the window style that was passed to the consructor or {\bf Create} member.
781 {\bf GetWindowStyle} is synonymous.
782
783 \membersection{wxWindow::InitDialog}\label{wxwindowinitdialog}
784
785 \func{void}{InitDialog}{\void}
786
787 Sends an \helpref{wxWindow::OnInitDialog}{wxwindowoninitdialog} event, which
788 in turn transfers data to the dialog via validators.
789
790 \wxheading{See also}
791
792 \helpref{wxWindow::OnInitDialog}{wxwindowoninitdialog}
793
794 \membersection{wxWindow::IsEnabled}\label{wxwindowisenabled}
795
796 \constfunc{virtual bool}{IsEnabled}{\void}
797
798 Returns TRUE if the window is enabled for input, FALSE otherwise.
799
800 \wxheading{See also}
801
802 \helpref{wxWindow::Enable}{wxwindowenable}
803
804 \membersection{wxWindow:IsExposed}\label{wxwindowisexposed}
805
806 \constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}}
807
808 \constfunc{bool}{IsExposed}{\param{wxPoint }{\&pt}}
809
810 \constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}, \param{int }{w}, \param{int }{h}}
811
812 \constfunc{bool}{IsExposed}{\param{wxRect }{\&rect}}
813
814 Returns TRUE if the given point or rectange area has been exposed since the
815 last repaint. Call this in an paint event handler to optimize redrawing by
816 only redrawing those areas, which have been exposed.
817
818 \membersection{wxWindow::IsRetained}\label{wxwindowisretained}
819
820 \constfunc{virtual bool}{IsRetained}{\void}
821
822 Returns TRUE if the window is retained, FALSE otherwise.
823
824 \wxheading{Remarks}
825
826 Retained windows are only available on X platforms.
827
828 \membersection{wxWindow::IsShown}\label{wxwindowisshown}
829
830 \constfunc{virtual bool}{IsShown}{\void}
831
832 Returns TRUE if the window is shown, FALSE if it has been hidden.
833
834 \membersection{wxWindow::IsTopLevel}\label{wxwindowistoplevel}
835
836 \constfunc{bool}{IsTopLevel}{\void}
837
838 Returns TRUE if the given window is a top-level one. Currently all frames and
839 dialogs are considered to be top-level windows (even if they have a parent
840 window).
841
842 \membersection{wxWindow::Layout}\label{wxwindowlayout}
843
844 \func{void}{Layout}{\void}
845
846 Invokes the constraint-based layout algorithm or the sizer-based algorithm
847 for this window.
848
849 See \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} on when
850 this function gets called automatically using auto layout.
851
852 \membersection{wxWindow::LoadFromResource}\label{wxwindowloadfromresource}
853
854 \func{virtual bool}{LoadFromResource}{\param{wxWindow* }{parent},\rtfsp
855 \param{const wxString\& }{resourceName}, \param{const wxResourceTable* }{resourceTable = NULL}}
856
857 Loads a panel or dialog from a resource file.
858
859 \wxheading{Parameters}
860
861 \docparam{parent}{Parent window.}
862
863 \docparam{resourceName}{The name of the resource to load.}
864
865 \docparam{resourceTable}{The resource table to load it from. If this is NULL, the
866 default resource table will be used.}
867
868 \wxheading{Return value}
869
870 TRUE if the operation succeeded, otherwise FALSE.
871
872 \membersection{wxWindow::Lower}\label{wxwindowlower}
873
874 \func{void}{Lower}{\void}
875
876 Lowers the window to the bottom of the window hierarchy if it is a managed window (dialog
877 or frame).
878
879 \membersection{wxWindow::MakeModal}\label{wxwindowmakemodal}
880
881 \func{virtual void}{MakeModal}{\param{bool }{flag}}
882
883 Disables all other windows in the application so that
884 the user can only interact with this window. (This function
885 is not implemented anywhere).
886
887 \wxheading{Parameters}
888
889 \docparam{flag}{If TRUE, this call disables all other windows in the application so that
890 the user can only interact with this window. If FALSE, the effect is reversed.}
891
892 \membersection{wxWindow::Move}\label{wxwindowmove}
893
894 \func{void}{Move}{\param{int}{ x}, \param{int}{ y}}
895
896 \func{void}{Move}{\param{const wxPoint\&}{ pt}}
897
898 Moves the window to the given position.
899
900 \wxheading{Parameters}
901
902 \docparam{x}{Required x position.}
903
904 \docparam{y}{Required y position.}
905
906 \docparam{pt}{\helpref{wxPoint}{wxpoint} object representing the position.}
907
908 \wxheading{Remarks}
909
910 Implementations of SetSize can also implicitly implement the
911 wxWindow::Move function, which is defined in the base wxWindow class
912 as the call:
913
914 \begin{verbatim}
915 SetSize(x, y, -1, -1, wxSIZE_USE_EXISTING);
916 \end{verbatim}
917
918 \wxheading{See also}
919
920 \helpref{wxWindow::SetSize}{wxwindowsetsize}
921
922 \pythonnote{In place of a single overloaded method name, wxPython
923 implements the following methods:\par
924 \indented{2cm}{\begin{twocollist}
925 \twocolitem{{\bf Move(point)}}{Accepts a wxPoint}
926 \twocolitem{{\bf MoveXY(x, y)}}{Accepts a pair of integers}
927 \end{twocollist}}
928 }
929
930 \membersection{wxWindow::OnActivate}\label{wxwindowonactivate}
931
932 \func{void}{OnActivate}{\param{wxActivateEvent\&}{ event}}
933
934 Called when a window is activated or deactivated.
935
936 \wxheading{Parameters}
937
938 \docparam{event}{Object containing activation information.}
939
940 \wxheading{Remarks}
941
942 If the window is being activated, \helpref{wxActivateEvent::GetActive}{wxactivateeventgetactive} returns TRUE,
943 otherwise it returns FALSE (it is being deactivated).
944
945 \wxheading{See also}
946
947 \helpref{wxActivateEvent}{wxactivateevent},\rtfsp
948 \helpref{Event handling overview}{eventhandlingoverview}
949
950 \membersection{wxWindow::OnChar}\label{wxwindowonchar}
951
952 \func{void}{OnChar}{\param{wxKeyEvent\&}{ event}}
953
954 Called when the user has pressed a key that is not a modifier (SHIFT, CONTROL or ALT).
955
956 \wxheading{Parameters}
957
958 \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
959 details about this class.}
960
961 \wxheading{Remarks}
962
963 This member function is called in response to a keypress. To intercept this event,
964 use the EVT\_CHAR macro in an event table definition. Your {\bf OnChar} handler may call this
965 default function to achieve default keypress functionality.
966
967 Note that the ASCII values do not have explicit key codes: they are passed as ASCII
968 values.
969
970 Note that not all keypresses can be intercepted this way. If you wish to intercept modifier
971 keypresses, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
972 \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
973
974 Most, but not all, windows allow keypresses to be intercepted.
975
976 \wxheading{See also}
977
978 \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp
979 \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
980 \helpref{Event handling overview}{eventhandlingoverview}
981
982 \membersection{wxWindow::OnCharHook}\label{wxwindowoncharhook}
983
984 \func{void}{OnCharHook}{\param{wxKeyEvent\&}{ event}}
985
986 This member is called to allow the window to intercept keyboard events
987 before they are processed by child windows.
988
989 \wxheading{Parameters}
990
991 \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
992 details about this class.}
993
994 \wxheading{Remarks}
995
996 This member function is called in response to a keypress, if the window is active. To intercept this event,
997 use the EVT\_CHAR\_HOOK macro in an event table definition. If you do not process a particular
998 keypress, call \helpref{wxEvent::Skip}{wxeventskip} to allow default processing.
999
1000 An example of using this function is in the implementation of escape-character processing for wxDialog,
1001 where pressing ESC dismisses the dialog by {\bf OnCharHook} 'forging' a cancel button press event.
1002
1003 Note that the ASCII values do not have explicit key codes: they are passed as ASCII
1004 values.
1005
1006 This function is only relevant to top-level windows (frames and dialogs), and under
1007 Windows only. Under GTK the normal EVT\_CHAR\_ event has the functionality, i.e.
1008 you can intercepts it and if you don't call \helpref{wxEvent::Skip}{wxeventskip}
1009 the window won't get the event.
1010
1011 \wxheading{See also}
1012
1013 \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1014 \helpref{wxApp::OnCharHook}{wxapponcharhook},\rtfsp
1015 \helpref{Event handling overview}{eventhandlingoverview}
1016
1017 \membersection{wxWindow::OnCommand}\label{wxwindowoncommand}
1018
1019 \func{virtual void}{OnCommand}{\param{wxEvtHandler\& }{object}, \param{wxCommandEvent\& }{event}}
1020
1021 This virtual member function is called if the control does not handle the command event.
1022
1023 \wxheading{Parameters}
1024
1025 \docparam{object}{Object receiving the command event.}
1026
1027 \docparam{event}{Command event}
1028
1029 \wxheading{Remarks}
1030
1031 This virtual function is provided mainly for backward compatibility. You can also intercept commands
1032 from child controls by using an event table, with identifiers or identifier ranges to identify
1033 the control(s) in question.
1034
1035 \wxheading{See also}
1036
1037 \helpref{wxCommandEvent}{wxcommandevent},\rtfsp
1038 \helpref{Event handling overview}{eventhandlingoverview}
1039
1040 \membersection{wxWindow::OnClose}\label{wxwindowonclose}
1041
1042 \func{virtual bool}{OnClose}{\void}
1043
1044 Called when the user has tried to close a a frame
1045 or dialog box using the window manager (X) or system menu (Windows).
1046
1047 {\bf Note:} This is an obsolete function.
1048 It is superceded by the \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow} event
1049 handler.
1050
1051 \wxheading{Return value}
1052
1053 If TRUE is returned by OnClose, the window will be deleted by the system, otherwise the
1054 attempt will be ignored. Do not delete the window from within this handler, although
1055 you may delete other windows.
1056
1057 \wxheading{See also}
1058
1059 \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
1060 \helpref{wxWindow::Close}{wxwindowclose},\rtfsp
1061 \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow},\rtfsp
1062 \helpref{wxCloseEvent}{wxcloseevent}
1063
1064 \membersection{wxWindow::OnCloseWindow}\label{wxwindowonclosewindow}
1065
1066 \func{void}{OnCloseWindow}{\param{wxCloseEvent\& }{event}}
1067
1068 This is an event handler function called when the user has tried to close a a frame
1069 or dialog box using the window manager (X) or system menu (Windows). It is
1070 called via the \helpref{wxWindow::Close}{wxwindowclose} function, so
1071 that the application can also invoke the handler programmatically.
1072
1073 Use the EVT\_CLOSE event table macro to handle close events.
1074
1075 You should check whether the application is forcing the deletion of the window
1076 using \helpref{wxCloseEvent::GetForce}{wxcloseeventgetforce}. If this is TRUE,
1077 destroy the window using \helpref{wxWindow::Destroy}{wxwindowdestroy}.
1078 If not, it is up to you whether you respond by destroying the window.
1079
1080 (Note: GetForce is now superceded by CanVeto. So to test whether forced destruction of
1081 the window is required, test for the negative of CanVeto. If CanVeto returns FALSE,
1082 it is not possible to skip window deletion.)
1083
1084 If you don't destroy the window, you should call \helpref{wxCloseEvent::Veto}{wxcloseeventveto} to
1085 let the calling code know that you did not destroy the window. This allows the \helpref{wxWindow::Close}{wxwindowclose} function
1086 to return TRUE or FALSE depending on whether the close instruction was honoured or not.
1087
1088 \wxheading{Remarks}
1089
1090 The \helpref{wxWindow::OnClose}{wxwindowonclose} virtual function remains
1091 for backward compatibility with earlier versions of wxWindows. The
1092 default {\bf OnCloseWindow} handler for wxFrame and wxDialog will call {\bf OnClose},
1093 destroying the window if it returns TRUE or if the close is being forced.
1094
1095 \wxheading{See also}
1096
1097 \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
1098 \helpref{wxWindow::Close}{wxwindowclose},\rtfsp
1099 \helpref{wxWindow::OnClose}{wxwindowonclose},\rtfsp
1100 \helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp
1101 \helpref{wxCloseEvent}{wxcloseevent},\rtfsp
1102 \helpref{wxApp::OnQueryEndSession}{wxapponqueryendsession},\rtfsp
1103 \helpref{wxApp::OnEndSession}{wxapponendsession}
1104
1105 \membersection{wxWindow::OnDropFiles}\label{wxwindowondropfiles}
1106
1107 \func{void}{OnDropFiles}{\param{wxDropFilesEvent\&}{ event}}
1108
1109 Called when files have been dragged from the file manager to the window.
1110
1111 \wxheading{Parameters}
1112
1113 \docparam{event}{Drop files event. For more information, see \helpref{wxDropFilesEvent}{wxdropfilesevent}.}
1114
1115 \wxheading{Remarks}
1116
1117 The window must have previously been enabled for dropping by calling
1118 \rtfsp\helpref{wxWindow::DragAcceptFiles}{wxwindowdragacceptfiles}.
1119
1120 This event is only generated under Windows.
1121
1122 To intercept this event, use the EVT\_DROP\_FILES macro in an event table definition.
1123
1124 \wxheading{See also}
1125
1126 \helpref{wxDropFilesEvent}{wxdropfilesevent}, \helpref{wxWindow::DragAcceptFiles}{wxwindowdragacceptfiles},\rtfsp
1127 \helpref{Event handling overview}{eventhandlingoverview}
1128
1129 \membersection{wxWindow::OnEraseBackground}\label{wxwindowonerasebackground}
1130
1131 \func{void}{OnEraseBackground}{\param{wxEraseEvent\&}{ event}}
1132
1133 Called when the background of the window needs to be erased.
1134
1135 \wxheading{Parameters}
1136
1137 \docparam{event}{Erase background event. For more information, see \helpref{wxEraseEvent}{wxeraseevent}.}
1138
1139 \wxheading{Remarks}
1140
1141 This event is only generated under Windows. It is therefore recommended that
1142 you set the text background colour explicitly in order to prevent flicker.
1143 The default background colour under GTK is grey.
1144
1145 To intercept this event, use the EVT\_ERASE\_BACKGROUND macro in an event table definition.
1146
1147 \wxheading{See also}
1148
1149 \helpref{wxEraseEvent}{wxeraseevent}, \helpref{Event handling overview}{eventhandlingoverview}
1150
1151 \membersection{wxWindow::OnKeyDown}\label{wxwindowonkeydown}
1152
1153 \func{void}{OnKeyDown}{\param{wxKeyEvent\&}{ event}}
1154
1155 Called when the user has pressed a key, before it is translated into an ASCII value using other
1156 modifier keys that might be pressed at the same time.
1157
1158 \wxheading{Parameters}
1159
1160 \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1161 details about this class.}
1162
1163 \wxheading{Remarks}
1164
1165 This member function is called in response to a key down event. To intercept this event,
1166 use the EVT\_KEY\_DOWN macro in an event table definition. Your {\bf OnKeyDown} handler may call this
1167 default function to achieve default keypress functionality.
1168
1169 Note that not all keypresses can be intercepted this way. If you wish to intercept special
1170 keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1171 \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1172
1173 Most, but not all, windows allow keypresses to be intercepted.
1174
1175 \wxheading{See also}
1176
1177 \helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp
1178 \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1179 \helpref{Event handling overview}{eventhandlingoverview}
1180
1181 \membersection{wxWindow::OnKeyUp}\label{wxwindowonkeyup}
1182
1183 \func{void}{OnKeyUp}{\param{wxKeyEvent\&}{ event}}
1184
1185 Called when the user has released a key.
1186
1187 \wxheading{Parameters}
1188
1189 \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1190 details about this class.}
1191
1192 \wxheading{Remarks}
1193
1194 This member function is called in response to a key up event. To intercept this event,
1195 use the EVT\_KEY\_UP macro in an event table definition. Your {\bf OnKeyUp} handler may call this
1196 default function to achieve default keypress functionality.
1197
1198 Note that not all keypresses can be intercepted this way. If you wish to intercept special
1199 keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1200 \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1201
1202 Most, but not all, windows allow key up events to be intercepted.
1203
1204 \wxheading{See also}
1205
1206 \helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown},\rtfsp
1207 \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1208 \helpref{Event handling overview}{eventhandlingoverview}
1209
1210 \membersection{wxWindow::OnKillFocus}\label{wxwindowonkillfocus}
1211
1212 \func{void}{OnKillFocus}{\param{wxFocusEvent\& }{event}}
1213
1214 Called when a window's focus is being killed.
1215
1216 \wxheading{Parameters}
1217
1218 \docparam{event}{The focus event. For more information, see \helpref{wxFocusEvent}{wxfocusevent}.}
1219
1220 \wxheading{Remarks}
1221
1222 To intercept this event, use the macro EVT\_KILL\_FOCUS in an event table definition.
1223
1224 Most, but not all, windows respond to this event.
1225
1226 \wxheading{See also}
1227
1228 \helpref{wxFocusEvent}{wxfocusevent}, \helpref{wxWindow::OnSetFocus}{wxwindowonsetfocus},\rtfsp
1229 \helpref{Event handling overview}{eventhandlingoverview}
1230
1231 \membersection{wxWindow::OnIdle}\label{wxwindowonidle}
1232
1233 \func{void}{OnIdle}{\param{wxIdleEvent\& }{event}}
1234
1235 Provide this member function for any processing which needs to be done
1236 when the application is idle.
1237
1238 \wxheading{See also}
1239
1240 \helpref{wxApp::OnIdle}{wxapponidle}, \helpref{wxIdleEvent}{wxidleevent}
1241
1242 \membersection{wxWindow::OnInitDialog}\label{wxwindowoninitdialog}
1243
1244 \func{void}{OnInitDialog}{\param{wxInitDialogEvent\&}{ event}}
1245
1246 Default handler for the wxEVT\_INIT\_DIALOG event. Calls \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow}.
1247
1248 \wxheading{Parameters}
1249
1250 \docparam{event}{Dialog initialisation event.}
1251
1252 \wxheading{Remarks}
1253
1254 Gives the window the default behaviour of transferring data to child controls via
1255 the validator that each control has.
1256
1257 \wxheading{See also}
1258
1259 \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow}
1260
1261 \membersection{wxWindow::OnMenuCommand}\label{wxwindowonmenucommand}
1262
1263 \func{void}{OnMenuCommand}{\param{wxCommandEvent\& }{event}}
1264
1265 Called when a menu command is received from a menu bar.
1266
1267 \wxheading{Parameters}
1268
1269 \docparam{event}{The menu command event. For more information, see \helpref{wxCommandEvent}{wxcommandevent}.}
1270
1271 \wxheading{Remarks}
1272
1273 A function with this name doesn't actually exist; you can choose any member function to receive
1274 menu command events, using the EVT\_COMMAND macro for individual commands or EVT\_COMMAND\_RANGE for
1275 a range of commands.
1276
1277 \wxheading{See also}
1278
1279 \helpref{wxCommandEvent}{wxcommandevent},\rtfsp
1280 \helpref{wxWindow::OnMenuHighlight}{wxwindowonmenuhighlight},\rtfsp
1281 \helpref{Event handling overview}{eventhandlingoverview}
1282
1283 \membersection{wxWindow::OnMenuHighlight}\label{wxwindowonmenuhighlight}
1284
1285 \func{void}{OnMenuHighlight}{\param{wxMenuEvent\& }{event}}
1286
1287 Called when a menu select is received from a menu bar: that is, the
1288 mouse cursor is over a menu item, but the left mouse button has not been
1289 pressed.
1290
1291 \wxheading{Parameters}
1292
1293 \docparam{event}{The menu highlight event. For more information, see \helpref{wxMenuEvent}{wxmenuevent}.}
1294
1295 \wxheading{Remarks}
1296
1297 You can choose any member function to receive
1298 menu select events, using the EVT\_MENU\_HIGHLIGHT macro for individual menu items or EVT\_MENU\_HIGHLIGHT\_ALL macro
1299 for all menu items.
1300
1301 The default implementation for \helpref{wxFrame::OnMenuHighlight}{wxframeonmenuhighlight} displays help
1302 text in the first field of the status bar.
1303
1304 This function was known as {\bf OnMenuSelect} in earlier versions of wxWindows, but this was confusing
1305 since a selection is normally a left-click action.
1306
1307 \wxheading{See also}
1308
1309 \helpref{wxMenuEvent}{wxmenuevent},\rtfsp
1310 \helpref{wxWindow::OnMenuCommand}{wxwindowonmenucommand},\rtfsp
1311 \helpref{Event handling overview}{eventhandlingoverview}
1312
1313
1314 \membersection{wxWindow::OnMouseEvent}\label{wxwindowonmouseevent}
1315
1316 \func{void}{OnMouseEvent}{\param{wxMouseEvent\&}{ event}}
1317
1318 Called when the user has initiated an event with the
1319 mouse.
1320
1321 \wxheading{Parameters}
1322
1323 \docparam{event}{The mouse event. See \helpref{wxMouseEvent}{wxmouseevent} for
1324 more details.}
1325
1326 \wxheading{Remarks}
1327
1328 Most, but not all, windows respond to this event.
1329
1330 To intercept this event, use the EVT\_MOUSE\_EVENTS macro in an event table definition, or individual
1331 mouse event macros such as EVT\_LEFT\_DOWN.
1332
1333 \wxheading{See also}
1334
1335 \helpref{wxMouseEvent}{wxmouseevent},\rtfsp
1336 \helpref{Event handling overview}{eventhandlingoverview}
1337
1338 \membersection{wxWindow::OnMove}\label{wxwindowonmove}
1339
1340 \func{void}{OnMove}{\param{wxMoveEvent\& }{event}}
1341
1342 Called when a window is moved.
1343
1344 \wxheading{Parameters}
1345
1346 \docparam{event}{The move event. For more information, see \helpref{wxMoveEvent}{wxmoveevent}.}
1347
1348 \wxheading{Remarks}
1349
1350 Use the EVT\_MOVE macro to intercept move events.
1351
1352 \wxheading{Remarks}
1353
1354 Not currently implemented.
1355
1356 \wxheading{See also}
1357
1358 \helpref{wxMoveEvent}{wxmoveevent},\rtfsp
1359 \helpref{wxFrame::OnSize}{wxframeonsize},\rtfsp
1360 \helpref{Event handling overview}{eventhandlingoverview}
1361
1362 \membersection{wxWindow::OnPaint}\label{wxwindowonpaint}
1363
1364 \func{void}{OnPaint}{\param{wxPaintEvent\& }{event}}
1365
1366 Sent to the event handler when the window must be refreshed.
1367
1368 \wxheading{Parameters}
1369
1370 \docparam{event}{Paint event. For more information, see \helpref{wxPaintEvent}{wxpaintevent}.}
1371
1372 \wxheading{Remarks}
1373
1374 Use the EVT\_PAINT macro in an event table definition to intercept paint events.
1375
1376 In a paint event handler, the application should always create a \helpref{wxPaintDC}{wxpaintdc} object.
1377
1378 For example:
1379
1380 \small{%
1381 \begin{verbatim}
1382 void MyWindow::OnPaint(wxPaintEvent\& event)
1383 {
1384 wxPaintDC dc(this);
1385
1386 DrawMyDocument(dc);
1387 }
1388 \end{verbatim}
1389 }%
1390
1391 You can optimize painting by retrieving the rectangles
1392 that have been damaged and only repainting these. The rectangles are in
1393 terms of the client area, and are unscrolled, so you will need to do
1394 some calculations using the current view position to obtain logical,
1395 scrolled units.
1396
1397 Here is an example of using the \helpref{wxRegionIterator}{wxregioniterator} class:
1398
1399 {\small%
1400 \begin{verbatim}
1401 // Called when window needs to be repainted.
1402 void MyWindow::OnPaint(wxPaintEvent\& event)
1403 {
1404 wxPaintDC dc(this);
1405
1406 // Find Out where the window is scrolled to
1407 int vbX,vbY; // Top left corner of client
1408 ViewStart(&vbX,&vbY);
1409
1410 int vX,vY,vW,vH; // Dimensions of client area in pixels
1411 wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
1412
1413 while (upd)
1414 {
1415 vX = upd.GetX();
1416 vY = upd.GetY();
1417 vW = upd.GetW();
1418 vH = upd.GetH();
1419
1420 // Alternatively we can do this:
1421 // wxRect rect;
1422 // upd.GetRect(&rect);
1423
1424 // Repaint this rectangle
1425 ...some code...
1426
1427 upd ++ ;
1428 }
1429 }
1430 \end{verbatim}
1431 }%
1432
1433 \wxheading{See also}
1434
1435 \helpref{wxPaintEvent}{wxpaintevent},\rtfsp
1436 \helpref{wxPaintDC}{wxpaintdc},\rtfsp
1437 \helpref{Event handling overview}{eventhandlingoverview}
1438
1439 \membersection{wxWindow::OnScroll}\label{wxwindowonscroll}
1440
1441 \func{void}{OnScroll}{\param{wxScrollWinEvent\& }{event}}
1442
1443 Called when a scroll window event is received from one of the window's built-in scrollbars.
1444
1445 \wxheading{Parameters}
1446
1447 \docparam{event}{Command event. Retrieve the new scroll position by
1448 calling \helpref{wxScrollEvent::GetPosition}{wxscrolleventgetposition}, and the
1449 scrollbar orientation by calling \helpref{wxScrollEvent::GetOrientation}{wxscrolleventgetorientation}.}
1450
1451 \wxheading{Remarks}
1452
1453 Note that it is not possible to distinguish between horizontal and vertical scrollbars
1454 until the function is executing (you can't have one function for vertical, another
1455 for horizontal events).
1456
1457 \wxheading{See also}
1458
1459 \helpref{wxScrollWinEvent}{wxscrollwinevent},\rtfsp
1460 \helpref{Event handling overview}{eventhandlingoverview}
1461
1462 \membersection{wxWindow::OnSetFocus}\label{wxwindowonsetfocus}
1463
1464 \func{void}{OnSetFocus}{\param{wxFocusEvent\& }{event}}
1465
1466 Called when a window's focus is being set.
1467
1468 \wxheading{Parameters}
1469
1470 \docparam{event}{The focus event. For more information, see \helpref{wxFocusEvent}{wxfocusevent}.}
1471
1472 \wxheading{Remarks}
1473
1474 To intercept this event, use the macro EVT\_SET\_FOCUS in an event table definition.
1475
1476 Most, but not all, windows respond to this event.
1477
1478 \wxheading{See also}
1479
1480 \helpref{wxFocusEvent}{wxfocusevent}, \helpref{wxWindow::OnKillFocus}{wxwindowonkillfocus},\rtfsp
1481 \helpref{Event handling overview}{eventhandlingoverview}
1482
1483 \membersection{wxWindow::OnSize}\label{wxwindowonsize}
1484
1485 \func{void}{OnSize}{\param{wxSizeEvent\& }{event}}
1486
1487 Called when the window has been resized.
1488
1489 \wxheading{Parameters}
1490
1491 \docparam{event}{Size event. For more information, see \helpref{wxSizeEvent}{wxsizeevent}.}
1492
1493 \wxheading{Remarks}
1494
1495 You may wish to use this for frames to resize their child windows as appropriate.
1496
1497 Note that the size passed is of
1498 the whole window: call \helpref{wxWindow::GetClientSize}{wxwindowgetclientsize} for the area which may be
1499 used by the application.
1500
1501 \wxheading{See also}
1502
1503 \helpref{wxSizeEvent}{wxsizeevent},\rtfsp
1504 \helpref{Event handling overview}{eventhandlingoverview}
1505
1506 \membersection{wxWindow::OnSysColourChanged}\label{wxwindowonsyscolourchanged}
1507
1508 \func{void}{OnSysColourChanged}{\param{wxOnSysColourChangedEvent\& }{event}}
1509
1510 Called when the user has changed the system colours. Windows only.
1511
1512 \wxheading{Parameters}
1513
1514 \docparam{event}{System colour change event. For more information, see \helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent}.}
1515
1516 \wxheading{See also}
1517
1518 \helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent},\rtfsp
1519 \helpref{Event handling overview}{eventhandlingoverview}
1520
1521 \membersection{wxWindow::PopEventHandler}\label{wxwindowpopeventhandler}
1522
1523 \constfunc{wxEvtHandler*}{PopEventHandler}{\param{bool }{deleteHandler = FALSE}}
1524
1525 Removes and returns the top-most event handler on the event handler stack.
1526
1527 \wxheading{Parameters}
1528
1529 \docparam{deleteHandler}{If this is TRUE, the handler will be deleted after it is removed. The
1530 default value is FALSE.}
1531
1532 \wxheading{See also}
1533
1534 \helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
1535 \helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
1536 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
1537 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
1538 \helpref{wxEvtHandler}{wxevthandler}\rtfsp
1539
1540 \membersection{wxWindow::PopupMenu}\label{wxwindowpopupmenu}
1541
1542 \func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{const wxPoint\& }{pos}}
1543
1544 \func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{int }{x}, \param{int }{y}}
1545
1546 Pops up the given menu at the specified coordinates, relative to this
1547 window, and returns control when the user has dismissed the menu. If a
1548 menu item is selected, the corresponding menu event is generated and will be
1549 processed as usually.
1550
1551 \wxheading{Parameters}
1552
1553 \docparam{menu}{Menu to pop up.}
1554
1555 \docparam{pos}{The position where the menu will appear.}
1556
1557 \docparam{x}{Required x position for the menu to appear.}
1558
1559 \docparam{y}{Required y position for the menu to appear.}
1560
1561 \wxheading{See also}
1562
1563 \helpref{wxMenu}{wxmenu}
1564
1565 \wxheading{Remarks}
1566
1567 Just before the menu is popped up, \helpref{wxMenu::UpdateUI}{wxmenuupdateui} is called
1568 to ensure that the menu items are in the correct state. The menu does not get deleted
1569 by the window.
1570
1571 \pythonnote{In place of a single overloaded method name, wxPython
1572 implements the following methods:\par
1573 \indented{2cm}{\begin{twocollist}
1574 \twocolitem{{\bf PopupMenu(menu, point)}}{Specifies position with a wxPoint}
1575 \twocolitem{{\bf PopupMenuXY(menu, x, y)}}{Specifies position with two integers (x, y)}
1576 \end{twocollist}}
1577 }
1578
1579 \membersection{wxWindow::PushEventHandler}\label{wxwindowpusheventhandler}
1580
1581 \func{void}{PushEventHandler}{\param{wxEvtHandler* }{handler}}
1582
1583 Pushes this event handler onto the event stack for the window.
1584
1585 \wxheading{Parameters}
1586
1587 \docparam{handler}{Specifies the handler to be pushed.}
1588
1589 \wxheading{Remarks}
1590
1591 An event handler is an object that is capable of processing the events
1592 sent to a window. By default, the window is its own event handler, but
1593 an application may wish to substitute another, for example to allow
1594 central implementation of event-handling for a variety of different
1595 window classes.
1596
1597 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} allows
1598 an application to set up a chain of event handlers, where an event not handled by one event handler is
1599 handed to the next one in the chain. Use \helpref{wxWindow::PopEventHandler}{wxwindowpopeventhandler} to
1600 remove the event handler.
1601
1602 \wxheading{See also}
1603
1604 \helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
1605 \helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
1606 \helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
1607 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
1608 \helpref{wxEvtHandler}{wxevthandler}
1609
1610 \membersection{wxWindow::Raise}\label{wxwindowraise}
1611
1612 \func{void}{Raise}{\void}
1613
1614 Raises the window to the top of the window hierarchy if it is a managed window (dialog
1615 or frame).
1616
1617 \membersection{wxWindow::Refresh}\label{wxwindowrefresh}
1618
1619 \func{virtual void}{Refresh}{\param{bool}{ eraseBackground = TRUE}, \param{const wxRect* }{rect
1620 = NULL}}
1621
1622 Causes a message or event to be generated to repaint the
1623 window.
1624
1625 \wxheading{Parameters}
1626
1627 \docparam{eraseBackground}{If TRUE, the background will be
1628 erased.}
1629
1630 \docparam{rect}{If non-NULL, only the given rectangle will
1631 be treated as damaged.}
1632
1633 \membersection{wxWindow::ReleaseMouse}\label{wxwindowreleasemouse}
1634
1635 \func{virtual void}{ReleaseMouse}{\void}
1636
1637 Releases mouse input captured with \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse}.
1638
1639 \wxheading{See also}
1640
1641 \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse}
1642
1643 \membersection{wxWindow::RemoveChild}\label{wxwindowremovechild}
1644
1645 \func{virtual void}{RemoveChild}{\param{wxWindow* }{child}}
1646
1647 Removes a child window. This is called automatically by window deletion
1648 functions so should not be required by the application programmer.
1649
1650 \wxheading{Parameters}
1651
1652 \docparam{child}{Child window to remove.}
1653
1654 \membersection{wxWindow::Reparent}\label{wxwindowreparent}
1655
1656 \func{virtual bool}{Reparent}{\param{wxWindow* }{newParent}}
1657
1658 Reparents the window, i.e the window will be removed from its
1659 current parent window (e.g. a non-standard toolbar in a wxFrame)
1660 and then re-inserted into another (e.g. a wxMiniFrame for a
1661 floating toolbar). Available on Windows and GTK+.
1662
1663 \wxheading{Parameters}
1664
1665 \docparam{newParent}{New parent.}
1666
1667 \membersection{wxWindow::ScreenToClient}\label{wxwindowscreentoclient}
1668
1669 \constfunc{virtual void}{ScreenToClient}{\param{int* }{x}, \param{int* }{y}}
1670
1671 \constfunc{virtual wxPoint}{ScreenToClient}{\param{const wxPoint\& }{pt}}
1672
1673 Converts from screen to client window coordinates.
1674
1675 \wxheading{Parameters}
1676
1677 \docparam{x}{Stores the screen x coordinate and receives the client x coordinate.}
1678
1679 \docparam{y}{Stores the screen x coordinate and receives the client x coordinate.}
1680
1681 \docparam{pt}{The screen position for the second form of the function.}
1682
1683 \pythonnote{In place of a single overloaded method name, wxPython
1684 implements the following methods:\par
1685 \indented{2cm}{\begin{twocollist}
1686 \twocolitem{{\bf ScreenToClient(point)}}{Accepts and returns a wxPoint}
1687 \twocolitem{{\bf ScreenToClientXY(x, y)}}{Returns a 2-tuple, (x, y)}
1688 \end{twocollist}}
1689 }
1690
1691
1692 \membersection{wxWindow::ScrollWindow}\label{wxwindowscrollwindow}
1693
1694 \func{virtual void}{ScrollWindow}{\param{int }{dx}, \param{int }{dy}, \param{const wxRect*}{ rect = NULL}}
1695
1696 Physically scrolls the pixels in the window and move child windows accordingly.
1697
1698 \wxheading{Parameters}
1699
1700 \docparam{dx}{Amount to scroll horizontally.}
1701
1702 \docparam{dy}{Amount to scroll vertically.}
1703
1704 \docparam{rect}{Rectangle to invalidate. If this is NULL, the whole window is invalidated. If you
1705 pass a rectangle corresponding to the area of the window exposed by the scroll, your painting handler
1706 can optimise painting by checking for the invalidated region. This paramter is ignored under GTK,
1707 instead the regions to be invalidated are calculated automatically. }
1708
1709 \wxheading{Remarks}
1710
1711 Use this function to optimise your scrolling implementations, to minimise the area that must be
1712 redrawn. Note that it is rarely required to call this function from a user program.
1713
1714 \membersection{wxWindow::SetAcceleratorTable}\label{wxwindowsetacceleratortable}
1715
1716 \func{virtual void}{SetAcceleratorTable}{\param{const wxAcceleratorTable\&}{ accel}}
1717
1718 Sets the accelerator table for this window. See \helpref{wxAcceleratorTable}{wxacceleratortable}.
1719
1720 \membersection{wxWindow::SetAutoLayout}\label{wxwindowsetautolayout}
1721
1722 \func{void}{SetAutoLayout}{\param{bool}{ autoLayout}}
1723
1724 Determines whether the \helpref{wxWindow::Layout}{wxwindowlayout} function will
1725 be called automatically when the window is resized. Use in connection with
1726 \helpref{wxWindow::SetSizer}{wxwindowsetsizer} and
1727 \helpref{wxWindow::SetConstraints}{wxwindowsetconstraints} for layouting subwindows.
1728
1729 \wxheading{Parameters}
1730
1731 \docparam{autoLayout}{Set this to TRUE if you wish the Layout function to be called
1732 from within wxWindow::OnSize functions.}
1733
1734 \wxheading{Remarks}
1735
1736 Note that this function is actually disabled for wxWindow. It has
1737 effect for wxDialog, wxFrame, wxPanel and wxScrolledWindow. Windows
1738 of other types that need to invoke the Layout algorithm should provide
1739 an EVT\_SIZE handler and call
1740 \helpref{wxWindow::Layout}{wxwindowlayout} from within it.
1741
1742 \wxheading{See also}
1743
1744 \helpref{wxWindow::SetConstraints}{wxwindowsetconstraints}
1745
1746 \membersection{wxWindow::SetBackgroundColour}\label{wxwindowsetbackgroundcolour}
1747
1748 \func{virtual void}{SetBackgroundColour}{\param{const wxColour\& }{colour}}
1749
1750 Sets the background colour of the window.
1751
1752 \wxheading{Parameters}
1753
1754 \docparam{colour}{The colour to be used as the background colour.}
1755
1756 \wxheading{Remarks}
1757
1758 The background colour is usually painted by the default\rtfsp
1759 \helpref{wxWindow::OnEraseBackground}{wxwindowonerasebackground} event handler function
1760 under Windows and automatically under GTK.
1761
1762 Note that setting the background colour does not cause an immediate refresh, so you
1763 may wish to call \helpref{wxWindow::Clear}{wxwindowclear} or \helpref{wxWindow::Refresh}{wxwindowrefresh} after
1764 calling this function.
1765
1766 Note that when using this functions under GTK, you will disable the so called "themes",
1767 i.e. the user chosen apperance of windows and controls, including the themes of
1768 their parent windows.
1769
1770 \wxheading{See also}
1771
1772 \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour},\rtfsp
1773 \helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
1774 \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
1775 \helpref{wxWindow::Clear}{wxwindowclear},\rtfsp
1776 \helpref{wxWindow::Refresh}{wxwindowrefresh},\rtfsp
1777 \helpref{wxWindow::OnEraseBackground}{wxwindowonerasebackground}
1778
1779 \membersection{wxWindow::SetClientSize}\label{wxwindowsetclientsize}
1780
1781 \func{virtual void}{SetClientSize}{\param{int}{ width}, \param{int}{ height}}
1782
1783 \func{virtual void}{SetClientSize}{\param{const wxSize\&}{ size}}
1784
1785 This sets the size of the window client area in pixels. Using this function to size a window
1786 tends to be more device-independent than \helpref{wxWindow::SetSize}{wxwindowsetsize}, since the application need not
1787 worry about what dimensions the border or title bar have when trying to fit the window
1788 around panel items, for example.
1789
1790 \wxheading{Parameters}
1791
1792 \docparam{width}{The required client area width.}
1793
1794 \docparam{height}{The required client area height.}
1795
1796 \docparam{size}{The required client size.}
1797
1798 \pythonnote{In place of a single overloaded method name, wxPython
1799 implements the following methods:\par
1800 \indented{2cm}{\begin{twocollist}
1801 \twocolitem{{\bf SetClientSize(size)}}{Accepts a wxSize}
1802 \twocolitem{{\bf SetClientSizeWH(width, height)}}{}
1803 \end{twocollist}}
1804 }
1805
1806 \membersection{wxWindow::SetCursor}\label{wxwindowsetcursor}
1807
1808 \func{virtual void}{SetCursor}{\param{const wxCursor\&}{cursor}}
1809
1810 Sets the window's cursor. Notice that setting the cursor for this window does
1811 not set it for its children so you'll need to explicitly call SetCursor() for
1812 them too if you need it.
1813
1814 \wxheading{Parameters}
1815
1816 \docparam{cursor}{Specifies the cursor that the window should normally display.}
1817
1818 \wxheading{See also}
1819
1820 \helpref{::wxSetCursor}{wxsetcursor}, \helpref{wxCursor}{wxcursor}
1821
1822 \membersection{wxWindow::SetEventHandler}\label{wxwindowseteventhandler}
1823
1824 \func{void}{SetEventHandler}{\param{wxEvtHandler* }{handler}}
1825
1826 Sets the event handler for this window.
1827
1828 \wxheading{Parameters}
1829
1830 \docparam{handler}{Specifies the handler to be set.}
1831
1832 \wxheading{Remarks}
1833
1834 An event handler is an object that is capable of processing the events
1835 sent to a window. By default, the window is its own event handler, but
1836 an application may wish to substitute another, for example to allow
1837 central implementation of event-handling for a variety of different
1838 window classes.
1839
1840 It is usually better to use \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} since
1841 this sets up a chain of event handlers, where an event not handled by one event handler is
1842 handed to the next one in the chain.
1843
1844 \wxheading{See also}
1845
1846 \helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
1847 \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
1848 \helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
1849 \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
1850 \helpref{wxEvtHandler}{wxevthandler}
1851
1852 \membersection{wxWindow::SetConstraints}\label{wxwindowsetconstraints}
1853
1854 \func{void}{SetConstraints}{\param{wxLayoutConstraints* }{constraints}}
1855
1856 Sets the window to have the given layout constraints. The window
1857 will then own the object, and will take care of its deletion.
1858 If an existing layout constraints object is already owned by the
1859 window, it will be deleted.
1860
1861 \wxheading{Parameters}
1862
1863 \docparam{constraints}{The constraints to set. Pass NULL to disassociate and delete the window's
1864 constraints.}
1865
1866 \wxheading{Remarks}
1867
1868 You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use
1869 the constraints automatically in OnSize; otherwise, you must override OnSize and call Layout()
1870 explicitly. When setting both a wxLayoutConstraints and a \helpref{wxSizer}{wxsizer}, only the
1871 sizer will have effect.
1872
1873 \membersection{wxWindow::SetDropTarget}\label{wxwindowsetdroptarget}
1874
1875 \func{void}{SetDropTarget}{\param{wxDropTarget*}{ target}}
1876
1877 Associates a drop target with this window.
1878
1879 If the window already has a drop target, it is deleted.
1880
1881 \wxheading{See also}
1882
1883 \helpref{wxWindow::GetDropTarget}{wxwindowgetdroptarget},
1884 \helpref{Drag and drop overview}{wxdndoverview}
1885
1886 \membersection{wxWindow::SetFocus}\label{wxwindowsetfocus}
1887
1888 \func{virtual void}{SetFocus}{\void}
1889
1890 This sets the window to receive keyboard input.
1891
1892 \membersection{wxWindow::SetFont}\label{wxwindowsetfont}
1893
1894 \func{void}{SetFont}{\param{const wxFont\& }{font}}
1895
1896 Sets the font for this window.
1897
1898 \wxheading{Parameters}
1899
1900 \docparam{font}{Font to associate with this window.}
1901
1902 \wxheading{See also}
1903
1904 \helpref{wxWindow::GetFont}{wxwindowgetfont}
1905
1906 \membersection{wxWindow::SetForegroundColour}\label{wxwindowsetforegroundcolour}
1907
1908 \func{virtual void}{SetForegroundColour}{\param{const wxColour\& }{colour}}
1909
1910 Sets the foreground colour of the window.
1911
1912 \wxheading{Parameters}
1913
1914 \docparam{colour}{The colour to be used as the foreground colour.}
1915
1916 \wxheading{Remarks}
1917
1918 The interpretation of foreground colour is open to interpretation according
1919 to the window class; it may be the text colour or other colour, or it may not
1920 be used at all.
1921
1922 Note that when using this functions under GTK, you will disable the so called "themes",
1923 i.e. the user chosen apperance of windows and controls, including the themes of
1924 their parent windows.
1925
1926 \wxheading{See also}
1927
1928 \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
1929 \helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
1930 \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour}
1931
1932 \membersection{wxWindow::SetId}\label{wxwindowsetid}
1933
1934 \func{void}{SetId}{\param{int}{ id}}
1935
1936 Sets the identifier of the window.
1937
1938 \wxheading{Remarks}
1939
1940 Each window has an integer identifier. If the application has not provided one,
1941 an identifier will be generated. Normally, the identifier should be provided
1942 on creation and should not be modified subsequently.
1943
1944 \wxheading{See also}
1945
1946 \helpref{wxWindow::GetId}{wxwindowgetid},\rtfsp
1947 \helpref{Window identifiers}{windowids}
1948
1949 \membersection{wxWindow::SetName}\label{wxwindowsetname}
1950
1951 \func{virtual void}{SetName}{\param{const wxString\& }{name}}
1952
1953 Sets the window's name.
1954
1955 \wxheading{Parameters}
1956
1957 \docparam{name}{A name to set for the window.}
1958
1959 \wxheading{See also}
1960
1961 \helpref{wxWindow::GetName}{wxwindowgetname}
1962
1963 \membersection{wxWindow::SetPalette}\label{wxwindowsetpalette}
1964
1965 \func{virtual void}{SetPalette}{\param{wxPalette* }{palette}}
1966
1967 Obsolete - use \helpref{wxDC::SetPalette}{wxdcsetpalette} instead.
1968
1969 \membersection{wxWindow::SetScrollbar}\label{wxwindowsetscrollbar}
1970
1971 \func{virtual void}{SetScrollbar}{\param{int }{orientation}, \param{int }{position},\rtfsp
1972 \param{int }{thumbSize}, \param{int }{range},\rtfsp
1973 \param{bool }{refresh = TRUE}}
1974
1975 Sets the scrollbar properties of a built-in scrollbar.
1976
1977 \wxheading{Parameters}
1978
1979 \docparam{orientation}{Determines the scrollbar whose page size is to be set. May be wxHORIZONTAL or wxVERTICAL.}
1980
1981 \docparam{position}{The position of the scrollbar in scroll units.}
1982
1983 \docparam{thumbSize}{The size of the thumb, or visible portion of the scrollbar, in scroll units.}
1984
1985 \docparam{range}{The maximum position of the scrollbar.}
1986
1987 \docparam{refresh}{TRUE to redraw the scrollbar, FALSE otherwise.}
1988
1989 \wxheading{Remarks}
1990
1991 Let's say you wish to display 50 lines of text, using the same font.
1992 The window is sized so that you can only see 16 lines at a time.
1993
1994 You would use:
1995
1996 {\small%
1997 \begin{verbatim}
1998 SetScrollbar(wxVERTICAL, 0, 16, 50);
1999 \end{verbatim}
2000 }
2001
2002 Note that with the window at this size, the thumb position can never go
2003 above 50 minus 16, or 34.
2004
2005 You can determine how many lines are currently visible by dividing the current view
2006 size by the character height in pixels.
2007
2008 When defining your own scrollbar behaviour, you will always need to recalculate
2009 the scrollbar settings when the window size changes. You could therefore put your
2010 scrollbar calculations and SetScrollbar
2011 call into a function named AdjustScrollbars, which can be called initially and also
2012 from your \helpref{wxWindow::OnSize}{wxwindowonsize} event handler function.
2013
2014 \wxheading{See also}
2015
2016 \helpref{Scrolling overview}{scrollingoverview},\rtfsp
2017 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2018
2019 \begin{comment}
2020 \membersection{wxWindow::SetScrollPage}\label{wxwindowsetscrollpage}
2021
2022 \func{virtual void}{SetScrollPage}{\param{int }{orientation}, \param{int }{pageSize}, \param{bool }{refresh = TRUE}}
2023
2024 Sets the page size of one of the built-in scrollbars.
2025
2026 \wxheading{Parameters}
2027
2028 \docparam{orientation}{Determines the scrollbar whose page size is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2029
2030 \docparam{pageSize}{Page size in scroll units.}
2031
2032 \docparam{refresh}{TRUE to redraw the scrollbar, FALSE otherwise.}
2033
2034 \wxheading{Remarks}
2035
2036 The page size of a scrollbar is the number of scroll units that the scroll thumb travels when you
2037 click on the area above/left of or below/right of the thumb. Normally you will want a whole visible
2038 page to be scrolled, i.e. the size of the current view (perhaps the window client size). This
2039 value has to be adjusted when the window is resized, since the page size will have changed.
2040
2041 In addition to specifying how far the scroll thumb travels when paging, in Motif and some versions of Windows
2042 the thumb changes size to reflect the page size relative to the length of the document. When the
2043 document size is only slightly bigger than the current view (window) size, almost all of the scrollbar
2044 will be taken up by the thumb. When the two values become the same, the scrollbar will (on some systems)
2045 disappear.
2046
2047 Currently, this function should be called before SetPageRange, because of a quirk in the Windows
2048 handling of pages and ranges.
2049
2050 \wxheading{See also}
2051
2052 \helpref{wxWindow::SetScrollPos}{wxwindowsetscrollpos},\rtfsp
2053 \helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
2054 \helpref{wxWindow::GetScrollPage}{wxwindowsetscrollpage},\rtfsp
2055 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2056 \end{comment}
2057
2058 \membersection{wxWindow::SetScrollPos}\label{wxwindowsetscrollpos}
2059
2060 \func{virtual void}{SetScrollPos}{\param{int }{orientation}, \param{int }{pos}, \param{bool }{refresh = TRUE}}
2061
2062 Sets the position of one of the built-in scrollbars.
2063
2064 \wxheading{Parameters}
2065
2066 \docparam{orientation}{Determines the scrollbar whose position is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2067
2068 \docparam{pos}{Position in scroll units.}
2069
2070 \docparam{refresh}{TRUE to redraw the scrollbar, FALSE otherwise.}
2071
2072 \wxheading{Remarks}
2073
2074 This function does not directly affect the contents of the window: it is up to the
2075 application to take note of scrollbar attributes and redraw contents accordingly.
2076
2077 \wxheading{See also}
2078
2079 \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar},\rtfsp
2080 \helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
2081 \helpref{wxWindow::GetScrollThumb}{wxwindowgetscrollthumb},\rtfsp
2082 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2083
2084 \begin{comment}
2085 \membersection{wxWindow::SetScrollRange}\label{wxwindowsetscrollrange}
2086
2087 \func{virtual void}{SetScrollRange}{\param{int }{orientation}, \param{int }{range}, \param{bool }{refresh = TRUE}}
2088
2089 Sets the range of one of the built-in scrollbars.
2090
2091 \wxheading{Parameters}
2092
2093 \docparam{orientation}{Determines the scrollbar whose range is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2094
2095 \docparam{range}{Scroll range.}
2096
2097 \docparam{refresh}{TRUE to redraw the scrollbar, FALSE otherwise.}
2098
2099 \wxheading{Remarks}
2100
2101 The range of a scrollbar is the number of steps that the thumb may travel, rather than the total
2102 object length of the scrollbar. If you are implementing a scrolling window, for example, you
2103 would adjust the scroll range when the window is resized, by subtracting the window view size from the
2104 total virtual window size. When the two sizes are the same (all the window is visible), the range goes to zero
2105 and usually the scrollbar will be automatically hidden.
2106
2107 \wxheading{See also}
2108
2109 \helpref{wxWindow::SetScrollPos}{wxwindowsetscrollpos},\rtfsp
2110 \helpref{wxWindow::SetScrollPage}{wxwindowsetscrollpage},\rtfsp
2111 \helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
2112 \helpref{wxWindow::GetScrollPage}{wxwindowsetscrollpage},\rtfsp
2113 \helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2114 \end{comment}
2115
2116 \membersection{wxWindow::SetSize}\label{wxwindowsetsize}
2117
2118 \func{virtual void}{SetSize}{\param{int}{ x}, \param{int}{ y}, \param{int}{ width}, \param{int}{ height},
2119 \param{int}{ sizeFlags = wxSIZE\_AUTO}}
2120
2121 \func{virtual void}{SetSize}{\param{const wxRect\&}{ rect}}
2122
2123 Sets the size and position of the window in pixels.
2124
2125 \func{virtual void}{SetSize}{\param{int}{ width}, \param{int}{ height}}
2126
2127 \func{virtual void}{SetSize}{\param{const wxSize\&}{ size}}
2128
2129 Sets the size of the window in pixels.
2130
2131 \wxheading{Parameters}
2132
2133 \docparam{x}{Required x position in pixels, or -1 to indicate that the existing
2134 value should be used.}
2135
2136 \docparam{y}{Required y position in pixels, or -1 to indicate that the existing
2137 value should be used.}
2138
2139 \docparam{width}{Required width in pixels, or -1 to indicate that the existing
2140 value should be used.}
2141
2142 \docparam{height}{Required height position in pixels, or -1 to indicate that the existing
2143 value should be used.}
2144
2145 \docparam{size}{\helpref{wxSize}{wxsize} object for setting the size.}
2146
2147 \docparam{rect}{\helpref{wxRect}{wxrect} object for setting the position and size.}
2148
2149 \docparam{sizeFlags}{Indicates the interpretation of other parameters. It is a bit list of the following:
2150
2151 {\bf wxSIZE\_AUTO\_WIDTH}: a -1 width value is taken to indicate
2152 a wxWindows-supplied default width.\\
2153 {\bf wxSIZE\_AUTO\_HEIGHT}: a -1 height value is taken to indicate
2154 a wxWindows-supplied default width.\\
2155 {\bf wxSIZE\_AUTO}: -1 size values are taken to indicate
2156 a wxWindows-supplied default size.\\
2157 {\bf wxSIZE\_USE\_EXISTING}: existing dimensions should be used
2158 if -1 values are supplied.\\
2159 {\bf wxSIZE\_ALLOW\_MINUS\_ONE}: allow dimensions of -1 and less to be interpreted
2160 as real dimensions, not default values.
2161 }
2162
2163 \wxheading{Remarks}
2164
2165 The second form is a convenience for calling the first form with default
2166 x and y parameters, and must be used with non-default width and height values.
2167
2168 The first form sets the position and optionally size, of the window.
2169 Parameters may be -1 to indicate either that a default should be supplied
2170 by wxWindows, or that the current value of the dimension should be used.
2171
2172 \wxheading{See also}
2173
2174 \helpref{wxWindow::Move}{wxwindowmove}
2175
2176 \pythonnote{In place of a single overloaded method name, wxPython
2177 implements the following methods:\par
2178 \indented{2cm}{\begin{twocollist}
2179 \twocolitem{{\bf SetDimensions(x, y, width, height, sizeFlags=wxSIZE\_AUTO)}}{}
2180 \twocolitem{{\bf SetSize(size)}}{}
2181 \twocolitem{{\bf SetPosition(point)}}{}
2182 \end{twocollist}}
2183 }
2184
2185 \membersection{wxWindow::SetSizeHints}\label{wxwindowsetsizehints}
2186
2187 \func{virtual void}{SetSizeHints}{\param{int}{ minW=-1}, \param{int}{ minH=-1}, \param{int}{ maxW=-1}, \param{int}{ maxH=-1},
2188 \param{int}{ incW=-1}, \param{int}{ incH=-1}}
2189
2190 Allows specification of minimum and maximum window sizes, and window size increments.
2191 If a pair of values is not set (or set to -1), the default values will be used.
2192
2193 \wxheading{Parameters}
2194
2195 \docparam{minW}{Specifies the minimum width allowable.}
2196
2197 \docparam{minH}{Specifies the minimum height allowable.}
2198
2199 \docparam{maxW}{Specifies the maximum width allowable.}
2200
2201 \docparam{maxH}{Specifies the maximum height allowable.}
2202
2203 \docparam{incW}{Specifies the increment for sizing the width (Motif/Xt only).}
2204
2205 \docparam{incH}{Specifies the increment for sizing the height (Motif/Xt only).}
2206
2207 \wxheading{Remarks}
2208
2209 If this function is called, the user will not be able to size the window outside the
2210 given bounds.
2211
2212 The resizing increments are only significant under Motif or Xt.
2213
2214 \membersection{wxWindow::SetSizer}\label{wxwindowsetsizer}
2215
2216 \func{void}{SetSizer}{\param{wxSizer* }{sizer}}
2217
2218 Sets the window to have the given layout sizer. The window
2219 will then own the object, and will take care of its deletion.
2220 If an existing layout constraints object is already owned by the
2221 window, it will be deleted.
2222
2223 \wxheading{Parameters}
2224
2225 \docparam{sizer}{The sizer to set. Pass NULL to disassociate and delete the window's
2226 sizer.}
2227
2228 \wxheading{Remarks}
2229
2230 You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use
2231 the sizer automatically in OnSize; otherwise, you must override OnSize and call Layout()
2232 explicitly. When setting both a wxSizer and a \helpref{wxLayoutConstraints}{wxlayoutconstraints},
2233 only the sizer will have effect.
2234
2235 \membersection{wxWindow::SetTitle}\label{wxwindowsettitle}
2236
2237 \func{virtual void}{SetTitle}{\param{const wxString\& }{title}}
2238
2239 Sets the window's title. Applicable only to frames and dialogs.
2240
2241 \wxheading{Parameters}
2242
2243 \docparam{title}{The window's title.}
2244
2245 \wxheading{See also}
2246
2247 \helpref{wxWindow::GetTitle}{wxwindowgettitle}
2248
2249 \membersection{wxWindow::SetValidator}\label{wxwindowsetvalidator}
2250
2251 \func{virtual void}{SetValidator}{\param{const wxValidator\&}{ validator}}
2252
2253 Deletes the current validator (if any) and sets the window validator, having called wxValidator::Clone to
2254 create a new validator of this type.
2255
2256 \membersection{wxWindow::Show}\label{wxwindowshow}
2257
2258 \func{virtual bool}{Show}{\param{bool}{ show}}
2259
2260 Shows or hides the window.
2261
2262 \wxheading{Parameters}
2263
2264 \docparam{show}{If TRUE, displays the window and brings it to the front. Otherwise,
2265 hides the window.}
2266
2267 \wxheading{See also}
2268
2269 \helpref{wxWindow::IsShown}{wxwindowisshown}
2270
2271 \membersection{wxWindow::TransferDataFromWindow}\label{wxwindowtransferdatafromwindow}
2272
2273 \func{virtual bool}{TransferDataFromWindow}{\void}
2274
2275 Transfers values from child controls to data areas specified by their validators. Returns
2276 FALSE if a transfer failed.
2277
2278 \wxheading{See also}
2279
2280 \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow},\rtfsp
2281 \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::Validate}{wxwindowvalidate}
2282
2283 \membersection{wxWindow::TransferDataToWindow}\label{wxwindowtransferdatatowindow}
2284
2285 \func{virtual bool}{TransferDataToWindow}{\void}
2286
2287 Transfers values to child controls from data areas specified by their validators.
2288
2289 \wxheading{Return value}
2290
2291 Returns FALSE if a transfer failed.
2292
2293 \wxheading{See also}
2294
2295 \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2296 \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::Validate}{wxwindowvalidate}
2297
2298 \membersection{wxWindow::Validate}\label{wxwindowvalidate}
2299
2300 \func{virtual bool}{Validate}{\void}
2301
2302 Validates the current values of the child controls using their validators.
2303
2304 \wxheading{Return value}
2305
2306 Returns FALSE if any of the validations failed.
2307
2308 \wxheading{See also}
2309
2310 \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2311 \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2312 \helpref{wxValidator}{wxvalidator}
2313
2314 \membersection{wxWindow::WarpPointer}\label{wxwindowwarppointer}
2315
2316 \func{void}{WarpPointer}{\param{int}{ x}, \param{int}{ y}}
2317
2318 Moves the pointer to the given position on the window.
2319
2320 \wxheading{Parameters}
2321
2322 \docparam{x}{The new x position for the cursor.}
2323
2324 \docparam{y}{The new y position for the cursor.}
2325