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1\section{\class{wxWindow}}\label{wxwindow}
2
2cdac558 3wxWindow is the base class for all windows. Any children of the window will be deleted
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4automatically by the destructor before the window itself is deleted.
5
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6Please note that we documented a number of handler functions (OnChar(), OnMouse() etc.) in this
7help text. These must not be called by a user program and are documented only for illustration.
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8On several platforms, only a few of these handlers are actually written (they are not always
9needed) and if you are uncertain on how to add a certain behaviour to a window class, intercept
10the respective event as usual and call \helpref{wxEvent::Skip}{wxeventskip} so that the native
11platform can implement its native behaviour or just ignore the event if nothing needs to be
12done.
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13
14\wxheading{Derived from}
15
16\helpref{wxEvtHandler}{wxevthandler}\\
17\helpref{wxObject}{wxobject}
18
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19\wxheading{Include files}
20
21<wx/window.h>
22
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23\wxheading{Window styles}
24
25The following styles can apply to all windows, although they will not always make sense for a particular
4130b487 26window class or on all platforms.
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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
27d029c7 31for this style. }
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32\twocolitem{\windowstyle{wxDOUBLE\_BORDER}}{Displays a double border. Windows only.}
33\twocolitem{\windowstyle{wxSUNKEN\_BORDER}}{Displays a sunken border.}
27d029c7 34\twocolitem{\windowstyle{wxRAISED\_BORDER}}{Displays a raised border. GTK only. }
6453876e 35\twocolitem{\windowstyle{wxSTATIC\_BORDER}}{Displays a border suitable for a static control. Windows only. }
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36\twocolitem{\windowstyle{wxTRANSPARENT\_WINDOW}}{The window is transparent, that is, it will not receive paint
37events. Windows only.}
38\twocolitem{\windowstyle{wxNO\_3D}}{Prevents the children of this window taking on 3D styles, even though
39the application-wide policy is for 3D controls. Windows only.}
40\twocolitem{\windowstyle{wxTAB\_TRAVERSAL}}{Use this to enable tab traversal for non-dialog windows.}
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41\twocolitem{\windowstyle{wxWANTS\_CHARS}}{Use this to indicate that the window
42wants to get all char events - even for keys like TAB or ENTER which are
43usually used for dialog navigation and which wouldn't be generated without
44this style}
f6bcfd97 45\twocolitem{\windowstyle{wxNO\_FULL\_REPAINT\_ON\_RESIZE}}{Disables repainting
895fc9cb 46the window completely when its size is changed - you will have to repaint the
f6bcfd97 47new window area manually if you use this style. Currently only has an effect for
4130b487 48Windows.}
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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?) }
884360bc 51\twocolitem{\windowstyle{wxCLIP\_CHILDREN}}{Use this style to eliminate flicker caused by the background being
6453876e 52repainted, then children being painted over them. Windows only.}
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53\end{twocollist}
54
55See 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
f6bcfd97 63\membersection{wxWindow::wxWindow}\label{wxwindowctor}
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64
65\func{}{wxWindow}{\void}
66
67Default constructor.
68
eaaa6a06 69\func{}{wxWindow}{\param{wxWindow*}{ parent}, \param{wxWindowID }{id},
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70 \param{const wxPoint\& }{pos = wxDefaultPosition},
71 \param{const wxSize\& }{size = wxDefaultSize},
eaaa6a06 72 \param{long }{style = 0},
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73 \param{const wxString\& }{name = wxPanelNameStr}}
74
75Constructs 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
84should generate a default position for the window. If using the wxWindow class directly, supply
85an actual position.}
86
87\docparam{size}{Window size. wxDefaultSize is (-1, -1) which indicates that wxWindows
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88should generate a default size for the window. If no suitable size can be found, the
89window will be sized to 20x20 pixels so that the window is visible but obviously not
90correctly sized. }
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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
100Destructor. Deletes all subwindows, then deletes itself. Instead of using
101the {\bf delete} operator explicitly, you should normally
102use \helpref{wxWindow::Destroy}{wxwindowdestroy} so that wxWindows
103can 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
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108\helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp
109\helpref{wxCloseEvent}{wxcloseevent}
110
111\membersection{wxWindow::AddChild}
112
113\func{virtual void}{AddChild}{\param{wxWindow* }{child}}
114
115Adds a child window. This is called automatically by window creation
116functions so should not be required by the application programmer.
117
118\wxheading{Parameters}
119
120\docparam{child}{Child window to add.}
121
122\membersection{wxWindow::CaptureMouse}\label{wxwindowcapturemouse}
123
124\func{virtual void}{CaptureMouse}{\void}
125
126Directs all mouse input to this window. Call \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse} to
127release the capture.
128
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129Note that wxWindows maintains the stack of windows having captured the mouse
130and when the mouse is released the capture returns to the window which had had
131captured it previously and it is only really released if there were no previous
132window. In particular, this means that you must release the mouse as many times
133as you capture it.
134
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135\wxheading{See also}
136
137\helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse}
138
139\membersection{wxWindow::Center}\label{wxwindowcenter}
140
eaaa6a06 141\func{void}{Center}{\param{int}{ direction}}
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142
143A synonym for \helpref{Centre}{wxwindowcentre}.
144
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145\membersection{wxWindow::CenterOnParent}\label{wxwindowcenteronparent}
146
147\func{void}{CenterOnParent}{\param{int}{ direction}}
148
149A synonym for \helpref{CentreOnParent}{wxwindowcentreonparent}.
150
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151\membersection{wxWindow::CenterOnScreen}\label{wxwindowcenteronscreen}
152
153\func{void}{CenterOnScreen}{\param{int}{ direction}}
154
155A synonym for \helpref{CentreOnScreen}{wxwindowcentreonscreen}.
156
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157\membersection{wxWindow::Centre}\label{wxwindowcentre}
158
7eb4e9cc 159\func{void}{Centre}{\param{int}{ direction = wxBOTH}}
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160
161Centres the window.
162
163\wxheading{Parameters}
164
165\docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
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166or {\tt wxBOTH}. It may also include {\tt wxCENTRE\_ON\_SCREEN} flag
167if you want to center the window on the entire screen and not on its
168parent window.}
d22699b5 169
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170The flag {\tt wxCENTRE\_FRAME} is obsolete and should not be used any longer
171(it has no effect).
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172
173\wxheading{Remarks}
174
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175If the window is a top level one (i.e. doesn't have a parent), it will be
176centered relative to the screen anyhow.
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177
178\wxheading{See also}
179
180\helpref{wxWindow::Center}{wxwindowcenter}
181
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182\membersection{wxWindow::CentreOnParent}\label{wxwindowcentreonparent}
183
7eb4e9cc 184\func{void}{CentreOnParent}{\param{int}{ direction = wxBOTH}}
7631a292 185
c9f00eeb 186Centres the window on its parent. This is a more readable synonym for
7eb4e9cc 187\helpref{Centre}{wxwindowcentre}.
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188
189\wxheading{Parameters}
190
191\docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
192or {\tt wxBOTH}.}
193
194\wxheading{Remarks}
195
196This methods provides for a way to center top level windows over their
197parents instead of the entire screen. If there is no parent or if the
c9f00eeb 198window is not a top level window, then behaviour is the same as
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199\helpref{wxWindow::Centre}{wxwindowcentre}.
200
201\wxheading{See also}
202
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203\helpref{wxWindow::CentreOnScreen}{wxwindowcenteronscreen}
204
205\membersection{wxWindow::CentreOnScreen}\label{wxwindowcentreonscreen}
206
207\func{void}{CentreOnScreen}{\param{int}{ direction = wxBOTH}}
208
209Centres the window on screen. This only works for top level windows -
210otherwise, the window will still be centered on its parent.
211
212\wxheading{Parameters}
213
214\docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp
215or {\tt wxBOTH}.}
216
217\wxheading{See also}
218
219\helpref{wxWindow::CentreOnParent}{wxwindowcenteronparent}
7631a292 220
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221\membersection{wxWindow::Clear}\label{wxwindowclear}
222
223\func{void}{Clear}{\void}
224
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225Clears the window by filling it with the current background colour. Does not
226cause an erase background event to be generated.
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227
228\membersection{wxWindow::ClientToScreen}
229
230\constfunc{virtual void}{ClientToScreen}{\param{int* }{x}, \param{int* }{y}}
231
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232\perlnote{In wxPerl this method returns a 2-element list intead of
233modifying its parameters.}
234
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235\constfunc{virtual wxPoint}{ClientToScreen}{\param{const wxPoint\&}{ pt}}
236
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237Converts to screen coordinates from coordinates relative to this window.
238
239\docparam{x}{A pointer to a integer value for the x coordinate. Pass the client coordinate in, and
240a screen coordinate will be passed out.}
241
242\docparam{y}{A pointer to a integer value for the y coordinate. Pass the client coordinate in, and
243a screen coordinate will be passed out.}
244
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245\docparam{pt}{The client position for the second form of the function.}
246
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247\pythonnote{In place of a single overloaded method name, wxPython
248implements the following methods:\par
249\indented{2cm}{\begin{twocollist}
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250\twocolitem{{\bf ClientToScreen(point)}}{Accepts and returns a wxPoint}
251\twocolitem{{\bf ClientToScreenXY(x, y)}}{Returns a 2-tuple, (x, y)}
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252\end{twocollist}}
253}
254
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255\membersection{wxWindow::Close}\label{wxwindowclose}
256
bc5879ef 257\func{virtual bool}{Close}{\param{bool}{ force = {\tt FALSE}}}
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258
259The purpose of this call is to provide a safer way of destroying a window than using
260the {\it delete} operator.
261
262\wxheading{Parameters}
263
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264\docparam{force}{{\tt FALSE} if the window's close handler should be able to veto the destruction
265of this window, {\tt TRUE} if it cannot.}
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266
267\wxheading{Remarks}
268
269Close calls the \helpref{close handler}{wxcloseevent} for the window, providing an opportunity for the window to
270choose whether to destroy the window.
271
272The close handler should check whether the window is being deleted forcibly,
273using \helpref{wxCloseEvent::GetForce}{wxcloseeventgetforce}, in which case it should
274destroy the window using \helpref{wxWindow::Destroy}{wxwindowdestroy}.
275
276Applies to managed windows (wxFrame and wxDialog classes) only.
277
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278{\it Note} that calling Close does not guarantee that the window will be destroyed; but it
279provides a way to simulate a manual close of a window, which may or may not be implemented by
280destroying the window. The default implementation of wxDialog::OnCloseWindow does not
281necessarily delete the dialog, since it will simply simulate an wxID\_CANCEL event which
282itself only hides the dialog.
283
284To guarantee that the window will be destroyed, call \helpref{wxWindow::Destroy}{wxwindowdestroy} instead.
285
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286\wxheading{See also}
287
288\helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
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289\helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp
290\helpref{wxCloseEvent}{wxcloseevent}
291
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292\membersection{wxWindow::ConvertDialogToPixels}\label{wxwindowconvertdialogtopixels}
293
294\func{wxPoint}{ConvertDialogToPixels}{\param{const wxPoint\&}{ pt}}
295
296\func{wxSize}{ConvertDialogToPixels}{\param{const wxSize\&}{ sz}}
297
298Converts a point or size from dialog units to pixels.
299
300For the x dimension, the dialog units are multiplied by the average character width
301and then divided by 4.
302
303For the y dimension, the dialog units are multiplied by the average character height
304and then divided by 8.
305
306\wxheading{Remarks}
307
308Dialog units are used for maintaining a dialog's proportions even if the font changes.
309Dialogs created using Dialog Editor optionally use dialog units.
310
311You can also use these functions programmatically. A convenience macro is defined:
312
313{\small
314\begin{verbatim}
315#define wxDLG_UNIT(parent, pt) parent->ConvertDialogToPixels(pt)
316\end{verbatim}
317}
318
319\wxheading{See also}
320
321\helpref{wxWindow::ConvertPixelsToDialog}{wxwindowconvertpixelstodialog}
322
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323\pythonnote{In place of a single overloaded method name, wxPython
324implements the following methods:\par
325\indented{2cm}{\begin{twocollist}
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326\twocolitem{{\bf ConvertDialogPointToPixels(point)}}{Accepts and returns a wxPoint}
327\twocolitem{{\bf ConvertDialogSizeToPixels(size)}}{Accepts and returns a wxSize}
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328\end{twocollist}}
329
330Additionally, the following helper functions are defined:\par
331\indented{2cm}{\begin{twocollist}
c9110876 332\twocolitem{{\bf wxDLG\_PNT(win, point)}}{Converts a wxPoint from dialog
06d20283 333units to pixels}
c9110876 334\twocolitem{{\bf wxDLG\_SZE(win, size)}}{Converts a wxSize from dialog
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335units to pixels}
336\end{twocollist}}
337}
338
339
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340\membersection{wxWindow::ConvertPixelsToDialog}\label{wxwindowconvertpixelstodialog}
341
342\func{wxPoint}{ConvertPixelsToDialog}{\param{const wxPoint\&}{ pt}}
343
344\func{wxSize}{ConvertPixelsToDialog}{\param{const wxSize\&}{ sz}}
345
346Converts a point or size from pixels to dialog units.
347
348For the x dimension, the pixels are multiplied by 4 and then divided by the average
349character width.
350
351For the y dimension, the pixels are multipled by 8 and then divided by the average
352character height.
353
354\wxheading{Remarks}
355
356Dialog units are used for maintaining a dialog's proportions even if the font changes.
357Dialogs created using Dialog Editor optionally use dialog units.
358
359\wxheading{See also}
360
361\helpref{wxWindow::ConvertDialogToPixels}{wxwindowconvertdialogtopixels}
362
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363
364\pythonnote{In place of a single overloaded method name, wxPython
365implements the following methods:\par
366\indented{2cm}{\begin{twocollist}
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367\twocolitem{{\bf ConvertDialogPointToPixels(point)}}{Accepts and returns a wxPoint}
368\twocolitem{{\bf ConvertDialogSizeToPixels(size)}}{Accepts and returns a wxSize}
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369\end{twocollist}}
370}
371
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372\membersection{wxWindow::Destroy}\label{wxwindowdestroy}
373
374\func{virtual bool}{Destroy}{\void}
375
376Destroys the window safely. Use this function instead of the delete operator, since
377different window classes can be destroyed differently. Frames and dialogs
378are not destroyed immediately when this function is called - they are added
379to a list of windows to be deleted on idle time, when all the window's events
380have been processed. This prevents problems with events being sent to non-existant
381windows.
382
383\wxheading{Return value}
384
bc5879ef 385{\tt TRUE} if the window has either been successfully deleted, or it has been added
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386to the list of windows pending real deletion.
387
388\membersection{wxWindow::DestroyChildren}
389
390\func{virtual void}{DestroyChildren}{\void}
391
392Destroys all children of a window. Called automatically by the destructor.
393
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394\membersection{wxWindow::Disable}\label{wxwindowdisable}
395
396\func{void}{Disable}{\void}
397
bc5879ef 398Disables the window, same as \helpref{Enable({\tt FALSE})}{wxwindowenable}.
6ba68e88 399
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400\membersection{wxWindow::DragAcceptFiles}\label{wxwindowdragacceptfiles}
401
8a293590 402\func{virtual void}{DragAcceptFiles}{\param{bool}{ accept}}
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403
404Enables or disables elibility for drop file events (OnDropFiles).
405
406\wxheading{Parameters}
407
bc5879ef 408\docparam{accept}{If {\tt TRUE}, the window is eligible for drop file events. If {\tt FALSE}, the window
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409will not accept drop file events.}
410
411\wxheading{Remarks}
412
413Windows only.
414
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415\membersection{wxWindow::Enable}\label{wxwindowenable}
416
bc5879ef 417\func{virtual void}{Enable}{\param{bool}{ enable = {\tt TRUE}}}
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418
419Enable or disable the window for user input.
420
421\wxheading{Parameters}
422
bc5879ef 423\docparam{enable}{If {\tt TRUE}, enables the window for input. If {\tt FALSE}, disables the window.}
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424
425\wxheading{See also}
426
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427\helpref{wxWindow::IsEnabled}{wxwindowisenabled},\rtfsp
428\helpref{wxWindow::Disable}{wxwindowdisable}
a660d684 429
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430\membersection{wxWindow::FindFocus}\label{wxwindowfindfocus}
431
432\func{static wxWindow*}{FindFocus}{\void}
433
434Finds the window or control which currently has the keyboard focus.
435
436\wxheading{Remarks}
437
438Note that this is a static function, so it can be called without needing a wxWindow pointer.
439
440\wxheading{See also}
441
442\helpref{wxWindow::SetFocus}{wxwindowsetfocus}
443
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444\membersection{wxWindow::FindWindow}\label{wxwindowfindwindow}
445
446\func{wxWindow*}{FindWindow}{\param{long}{ id}}
447
448Find a child of this window, by identifier.
449
450\func{wxWindow*}{FindWindow}{\param{const wxString\&}{ name}}
451
452Find a child of this window, by name.
453
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454\pythonnote{In place of a single overloaded method name, wxPython
455implements the following methods:\par
456\indented{2cm}{\begin{twocollist}
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457\twocolitem{{\bf FindWindowById(id)}}{Accepts an integer}
458\twocolitem{{\bf FindWindowByName(name)}}{Accepts a string}
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459\end{twocollist}}
460}
461
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462\membersection{wxWindow::Fit}\label{wxwindowfit}
463
464\func{virtual void}{Fit}{\void}
465
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466Sizes the window so that it fits around its subwindows. This function won't do
467anything if there are no subwindows.
a660d684 468
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469\membersection{wxWindow::Freeze}\label{wxwindowfreeze}
470
471\func{virtual void}{Freeze}{\void}
472
473Freezes the window or, in other words, prevents any updates from taking place
474on screen, the window is not redrawn at all. \helpref{Thaw}{wxwindowthaw} must
475be called to reenable window redrawing.
476
477This method is useful for visual appearance optimization (for example, it
478is a good idea to use it before inserting large amount of text into a
479wxTextCtrl under wxGTK) but is not implemented on all platforms nor for all
480controls so it is mostly just a hint to wxWindows and not a mandatory
481directive.
482
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483\membersection{wxWindow::GetBackgroundColour}\label{wxwindowgetbackgroundcolour}
484
485\constfunc{virtual wxColour}{GetBackgroundColour}{\void}
486
487Returns the background colour of the window.
488
489\wxheading{See also}
490
491\helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
492\helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
9866d9c2 493\helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour}
a660d684 494
7f071e73 495\membersection{wxWindow::GetBestSize}\label{wxwindowgetbestsize}
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496
497\constfunc{virtual wxSize}{GetBestSize}{\void}
498
499This functions returns the best acceptable minimal size for the window. For
500example, for a static control, it will be the minimal size such that the
3e02f5ed 501control label is not truncated. For windows containing subwindows (typically
8771a323 502\helpref{wxPanel}{wxpanel}), the size returned by this function will be the
3e02f5ed 503same as the size the window would have had after calling
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504\helpref{Fit}{wxwindowfit}.
505
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506\membersection{wxWindow::GetCaret}\label{wxwindowgetcaret}
507
508\constfunc{wxCaret *}{GetCaret}{\void}
509
510Returns the \helpref{caret}{wxcaret} associated with the window.
511
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512\membersection{wxWindow::GetCharHeight}
513
514\constfunc{virtual int}{GetCharHeight}{\void}
515
516Returns the character height for this window.
517
518\membersection{wxWindow::GetCharWidth}
519
520\constfunc{virtual int}{GetCharWidth}{\void}
521
522Returns the average character width for this window.
523
524\membersection{wxWindow::GetChildren}
525
c0ed460c 526\func{wxList\&}{GetChildren}{\void}
a660d684 527
c0ed460c 528Returns a reference to the list of the window's children.
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529
530\membersection{wxWindow::GetClientSize}\label{wxwindowgetclientsize}
531
532\constfunc{virtual void}{GetClientSize}{\param{int* }{width}, \param{int* }{height}}
533
c9f00eeb 534\perlnote{In wxPerl this method takes no parameter and returns
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535a 2-element list {\tt ( width, height )}.}
536
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537\constfunc{virtual wxSize}{GetClientSize}{\void}
538
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539This gets the size of the window `client area' in pixels.
540The client area is the area which may be drawn on by the programmer,
541excluding title bar, border, scrollbars, etc.
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542
543\wxheading{Parameters}
544
545\docparam{width}{Receives the client width in pixels.}
546
547\docparam{height}{Receives the client height in pixels.}
548
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549\pythonnote{In place of a single overloaded method name, wxPython
550implements the following methods:\par
551\indented{2cm}{\begin{twocollist}
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552\twocolitem{{\bf GetClientSizeTuple()}}{Returns a 2-tuple of (width, height)}
553\twocolitem{{\bf GetClientSize()}}{Returns a wxSize object}
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554\end{twocollist}}
555}
556
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557\wxheading{See also}
558
559\helpref{GetSize}{wxwindowgetsize}
560
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561\membersection{wxWindow::GetConstraints}\label{wxwindowgetconstraints}
562
563\constfunc{wxLayoutConstraints*}{GetConstraints}{\void}
564
565Returns a pointer to the window's layout constraints, or NULL if there are none.
566
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567\membersection{wxWindow::GetContainingSizer}\label{wxwindowgetcontainingsizer}
568
569\constfunc{const wxSizer *}{GetContainingSizer}{\void}
570
571Return the sizer that this window is a member of, if any, otherwise
572{\tt NULL}.
573
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574\membersection{wxWindow::GetDropTarget}\label{wxwindowgetdroptarget}
575
576\constfunc{wxDropTarget*}{GetDropTarget}{\void}
577
578Returns the associated drop target, which may be NULL.
579
580\wxheading{See also}
581
c9f00eeb 582\helpref{wxWindow::SetDropTarget}{wxwindowsetdroptarget},
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583\helpref{Drag and drop overview}{wxdndoverview}
584
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585\membersection{wxWindow::GetEventHandler}\label{wxwindowgeteventhandler}
586
587\constfunc{wxEvtHandler*}{GetEventHandler}{\void}
588
589Returns the event handler for this window. By default, the window is its
590own event handler.
591
592\wxheading{See also}
593
594\helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
595\helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
596\helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
597\helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
598\helpref{wxEvtHandler}{wxevthandler}\rtfsp
599
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600\membersection{wxWindow::GetExtraStyle}\label{wxwindowgetextrastyle}
601
602\constfunc{long}{GetExtraStyle}{\void}
603
604Returns the extra style bits for the window.
605
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606\membersection{wxWindow::GetFont}\label{wxwindowgetfont}
607
c0ed460c 608\constfunc{wxFont\&}{GetFont}{\void}
a660d684 609
c0ed460c 610Returns a reference to the font for this window.
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611
612\wxheading{See also}
613
614\helpref{wxWindow::SetFont}{wxwindowsetfont}
615
616\membersection{wxWindow::GetForegroundColour}\label{wxwindowgetforegroundcolour}
617
618\func{virtual wxColour}{GetForegroundColour}{\void}
619
620Returns the foreground colour of the window.
621
622\wxheading{Remarks}
623
624The interpretation of foreground colour is open to interpretation according
625to the window class; it may be the text colour or other colour, or it may not
626be used at all.
627
628\wxheading{See also}
629
630\helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
631\helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
632\helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour}
633
634\membersection{wxWindow::GetGrandParent}
635
636\constfunc{wxWindow*}{GetGrandParent}{\void}
637
638Returns the grandparent of a window, or NULL if there isn't one.
639
4e28924c 640\membersection{wxWindow::GetHandle}\label{wxwindowgethandle}
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641
642\constfunc{void*}{GetHandle}{\void}
643
644Returns the platform-specific handle of the physical window. Cast it to an appropriate
6453876e 645handle, such as {\bf HWND} for Windows, {\bf Widget} for Motif or {\bf GtkWidget} for GTK.
a660d684 646
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647\pythonnote{This method will return an integer in wxPython.}
648
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649\membersection{wxWindow::GetHelpText}\label{wxwindowgethelptext}
650
651\constfunc{virtual wxString}{GetHelpText}{\void}
652
653Gets the help text to be used as context-sensitive help for this window.
654
655Note that the text is actually stored by the current \helpref{wxHelpProvider}{wxhelpprovider} implementation,
656and not in the window object itself.
657
658\wxheading{See also}
659
660\helpref{SetHelpText}{wxwindowsethelptext}, \helpref{wxHelpProvider}{wxhelpprovider}
661
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662\membersection{wxWindow::GetId}\label{wxwindowgetid}
663
664\constfunc{int}{GetId}{\void}
665
666Returns the identifier of the window.
667
668\wxheading{Remarks}
669
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670Each window has an integer identifier. If the application has not provided one
671(or the default Id -1) an unique identifier with a negative value will be generated.
a660d684 672
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673\wxheading{See also}
674
b2cf617c 675\helpref{wxWindow::SetId}{wxwindowsetid},\rtfsp
5b6aa0ff 676\helpref{Window identifiers}{windowids}
a660d684 677
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678\membersection{wxWindow::GetLabel}
679
680\constfunc{virtual wxString }{GetLabel}{\void}
681
682Generic way of getting a label from any window, for
683identification purposes.
684
685\wxheading{Remarks}
686
687The interpretation of this function differs from class to class.
688For frames and dialogs, the value returned is the title. For buttons or static text controls, it is
689the button text. This function can be useful for meta-programs (such as testing
690tools or special-needs access programs) which need to identify windows
691by name.
692
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693\membersection{wxWindow::GetName}\label{wxwindowgetname}
694
6453876e 695\constfunc{virtual wxString }{GetName}{\void}
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696
697Returns the window's name.
698
699\wxheading{Remarks}
700
701This name is not guaranteed to be unique; it is up to the programmer to supply an appropriate
702name in the window constructor or via \helpref{wxWindow::SetName}{wxwindowsetname}.
703
704\wxheading{See also}
705
706\helpref{wxWindow::SetName}{wxwindowsetname}
707
708\membersection{wxWindow::GetParent}
709
710\constfunc{virtual wxWindow*}{GetParent}{\void}
711
712Returns the parent of the window, or NULL if there is no parent.
713
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714\membersection{wxWindow::GetPosition}\label{wxwindowgetposition}
715
716\constfunc{virtual void}{GetPosition}{\param{int* }{x}, \param{int* }{y}}
717
718\constfunc{wxPoint}{GetPosition}{\void}
719
720This gets the position of the window in pixels, relative to the parent window or
721if no parent, relative to the whole display.
722
723\wxheading{Parameters}
724
725\docparam{x}{Receives the x position of the window.}
726
727\docparam{y}{Receives the y position of the window.}
728
729\pythonnote{In place of a single overloaded method name, wxPython
730implements the following methods:\par
731\indented{2cm}{\begin{twocollist}
732\twocolitem{{\bf GetPosition()}}{Returns a wxPoint}
733\twocolitem{{\bf GetPositionTuple()}}{Returns a tuple (x, y)}
734\end{twocollist}}
735}
736
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737\perlnote{In wxPerl there are two methods instead of a single overloaded
738method:\par
739\indented{2cm}{\begin{twocollist}
740\twocolitem{{\bf GetPosition()}}{Returns a Wx::Point}
741\twocolitem{{\bf GetPositionXY()}}{Returns a 2-element list
742 {\tt ( x, y )}}
743\end{twocollist}
744}}
745
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746\membersection{wxWindow::GetRect}\label{wxwindowgetrect}
747
748\constfunc{virtual wxRect}{GetRect}{\void}
749
750Returns the size and position of the window as a \helpref{wxRect}{wxrect} object.
751
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752\membersection{wxWindow::GetScrollThumb}\label{wxwindowgetscrollthumb}
753
eaaa6a06 754\func{virtual int}{GetScrollThumb}{\param{int }{orientation}}
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755
756Returns the built-in scrollbar thumb size.
757
758\wxheading{See also}
759
760\helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
761
762\membersection{wxWindow::GetScrollPos}\label{wxwindowgetscrollpos}
763
eaaa6a06 764\func{virtual int}{GetScrollPos}{\param{int }{orientation}}
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765
766Returns the built-in scrollbar position.
767
768\wxheading{See also}
769
770See \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
771
772\membersection{wxWindow::GetScrollRange}\label{wxwindowgetscrollrange}
773
eaaa6a06 774\func{virtual int}{GetScrollRange}{\param{int }{orientation}}
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775
776Returns the built-in scrollbar range.
777
778\wxheading{See also}
779
780\helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
781
a974387a 782\membersection{wxWindow::GetSize}\label{wxwindowgetsize}
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783
784\constfunc{virtual void}{GetSize}{\param{int* }{width}, \param{int* }{height}}
785
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786\constfunc{virtual wxSize}{GetSize}{\void}
787
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788This gets the size of the entire window in pixels,
789including title bar, border, scrollbars, etc.
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790
791\wxheading{Parameters}
792
793\docparam{width}{Receives the window width.}
794
795\docparam{height}{Receives the window height.}
796
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797\pythonnote{In place of a single overloaded method name, wxPython
798implements the following methods:\par
799\indented{2cm}{\begin{twocollist}
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800\twocolitem{{\bf GetSize()}}{Returns a wxSize}
801\twocolitem{{\bf GetSizeTuple()}}{Returns a 2-tuple (width, height)}
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802\end{twocollist}}
803}
804
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805\perlnote{In wxPerl there are two methods instead of a single overloaded
806method:\par
807\indented{2cm}{\begin{twocollist}
808\twocolitem{{\bf GetSize()}}{Returns a Wx::Size}
809\twocolitem{{\bf GetSizeWH()}}{Returns a 2-element list
810 {\tt ( width, height )}}
811\end{twocollist}
812}}
813
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814\wxheading{See also}
815
816\helpref{GetClientSize}{wxwindowgetclientsize}
817
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818\membersection{wxWindow::GetSizer}\label{wxwindowgetsizer}
819
820\constfunc{const wxSizer *}{GetSizer}{\void}
821
be90c029 822Return the sizer associated with the window by a previous call to
e6973167 823\helpref{SetSizer()}{wxwindowsetsizer} or {\tt NULL}.
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825\membersection{wxWindow::GetTextExtent}\label{wxwindowgettextextent}
826
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827\constfunc{virtual void}{GetTextExtent}{\param{const wxString\& }{string}, \param{int* }{x}, \param{int* }{y},
828 \param{int* }{descent = NULL}, \param{int* }{externalLeading = NULL},
bc5879ef 829 \param{const wxFont* }{font = NULL}, \param{bool}{ use16 = {\tt FALSE}}}
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830
831Gets the dimensions of the string as it would be drawn on the
832window with the currently selected font.
833
834\wxheading{Parameters}
835
836\docparam{string}{String whose extent is to be measured.}
837
838\docparam{x}{Return value for width.}
839
840\docparam{y}{Return value for height.}
841
842\docparam{descent}{Return value for descent (optional).}
843
844\docparam{externalLeading}{Return value for external leading (optional).}
845
846\docparam{font}{Font to use instead of the current window font (optional).}
847
bc5879ef 848\docparam{use16}{If {\tt TRUE}, {\it string} contains 16-bit characters. The default is {\tt FALSE}.}
a660d684 849
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850
851\pythonnote{In place of a single overloaded method name, wxPython
852implements the following methods:\par
853\indented{2cm}{\begin{twocollist}
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854\twocolitem{{\bf GetTextExtent(string)}}{Returns a 2-tuple, (width, height)}
855\twocolitem{{\bf GetFullTextExtent(string, font=NULL)}}{Returns a
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8564-tuple, (width, height, descent, externalLeading) }
857\end{twocollist}}
858}
859
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860\perlnote{In wxPerl this method takes only the {\tt string} and optionally
861 {\tt font} parameters, and returns a 4-element list
862 {\tt ( x, y, descent, externalLeading )}.}
06d20283 863
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864\membersection{wxWindow::GetTitle}\label{wxwindowgettitle}
865
866\func{virtual wxString}{GetTitle}{\void}
867
868Gets the window's title. Applicable only to frames and dialogs.
869
870\wxheading{See also}
871
872\helpref{wxWindow::SetTitle}{wxwindowsettitle}
873
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874\membersection{wxWindow::GetUpdateRegion}\label{wxwindowgetupdateregion}
875
876\constfunc{virtual wxRegion}{GetUpdateRegion}{\void}
877
878Returns the region specifying which parts of the window have been damaged. Should
879only be called within an \helpref{OnPaint}{wxwindowonpaint} event handler.
880
881\wxheading{See also}
882
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883\helpref{wxRegion}{wxregion},\rtfsp
884\helpref{wxRegionIterator}{wxregioniterator}
76c5df24 885
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886\membersection{wxWindow::GetValidator}\label{wxwindowgetvalidator}
887
888\constfunc{wxValidator*}{GetValidator}{\void}
889
890Returns a pointer to the current validator for the window, or NULL if there is none.
891
d80cd92a 892\membersection{wxWindow::GetWindowStyleFlag}\label{wxwindowgetwindowstyleflag}
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893
894\constfunc{long}{GetWindowStyleFlag}{\void}
895
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896Gets the window style that was passed to the constructor or {\bf Create}
897method. {\bf GetWindowStyle()} is another name for the same function.
a660d684 898
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899\membersection{wxWindow::Hide}\label{wxwindowhide}
900
901\func{bool}{Hide}{\void}
902
903Equivalent to calling \helpref{Show}{wxwindowshow}({\tt FALSE}).
904
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905\membersection{wxWindow::InitDialog}\label{wxwindowinitdialog}
906
907\func{void}{InitDialog}{\void}
908
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909Sends an {\tt wxEVT\_INIT\_DIALOG} event, whose handler usually transfers data
910to the dialog via validators.
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911
912\membersection{wxWindow::IsEnabled}\label{wxwindowisenabled}
913
914\constfunc{virtual bool}{IsEnabled}{\void}
915
bc5879ef 916Returns {\tt TRUE} if the window is enabled for input, {\tt FALSE} otherwise.
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917
918\wxheading{See also}
919
920\helpref{wxWindow::Enable}{wxwindowenable}
921
515da557 922\membersection{wxWindow:IsExposed}\label{wxwindowisexposed}
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923
924\constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}}
925
605d715d 926\constfunc{bool}{IsExposed}{\param{wxPoint }{\&pt}}
515da557 927
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928\constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}, \param{int }{w}, \param{int }{h}}
929
605d715d 930\constfunc{bool}{IsExposed}{\param{wxRect }{\&rect}}
515da557 931
bc5879ef 932Returns {\tt TRUE} if the given point or rectange area has been exposed since the
ad9edf45 933last repaint. Call this in an paint event handler to optimize redrawing by
4130b487 934only redrawing those areas, which have been exposed.
ad9edf45 935
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936\pythonnote{In place of a single overloaded method name, wxPython
937implements the following methods:\par
938\indented{2cm}{\begin{twocollist}
939\twocolitem{{\bf IsExposed(x,y, w=0,h=0}}{}
940\twocolitem{{\bf IsExposedPoint(pt)}}{}
941\twocolitem{{\bf IsExposedRect(rect)}}{}
8771a323 942\end{twocollist}}}
3e02f5ed 943
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944\membersection{wxWindow::IsRetained}\label{wxwindowisretained}
945
946\constfunc{virtual bool}{IsRetained}{\void}
947
bc5879ef 948Returns {\tt TRUE} if the window is retained, {\tt FALSE} otherwise.
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949
950\wxheading{Remarks}
951
952Retained windows are only available on X platforms.
953
954\membersection{wxWindow::IsShown}\label{wxwindowisshown}
955
956\constfunc{virtual bool}{IsShown}{\void}
957
bc5879ef 958Returns {\tt TRUE} if the window is shown, {\tt FALSE} if it has been hidden.
a660d684 959
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960\membersection{wxWindow::IsTopLevel}\label{wxwindowistoplevel}
961
962\constfunc{bool}{IsTopLevel}{\void}
963
bc5879ef 964Returns {\tt TRUE} if the given window is a top-level one. Currently all frames and
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965dialogs are considered to be top-level windows (even if they have a parent
966window).
967
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968\membersection{wxWindow::Layout}\label{wxwindowlayout}
969
970\func{void}{Layout}{\void}
971
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972Invokes the constraint-based layout algorithm or the sizer-based algorithm
973for this window.
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974
975See \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} on when
976this function gets called automatically using auto layout.
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977
978\membersection{wxWindow::LoadFromResource}\label{wxwindowloadfromresource}
979
980\func{virtual bool}{LoadFromResource}{\param{wxWindow* }{parent},\rtfsp
981\param{const wxString\& }{resourceName}, \param{const wxResourceTable* }{resourceTable = NULL}}
982
983Loads a panel or dialog from a resource file.
984
985\wxheading{Parameters}
986
987\docparam{parent}{Parent window.}
988
989\docparam{resourceName}{The name of the resource to load.}
990
991\docparam{resourceTable}{The resource table to load it from. If this is NULL, the
992default resource table will be used.}
993
994\wxheading{Return value}
995
bc5879ef 996{\tt TRUE} if the operation succeeded, otherwise {\tt FALSE}.
a660d684 997
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998\membersection{wxWindow::Lower}\label{wxwindowlower}
999
1000\func{void}{Lower}{\void}
1001
1002Lowers the window to the bottom of the window hierarchy if it is a managed window (dialog
1003or frame).
1004
1005\membersection{wxWindow::MakeModal}\label{wxwindowmakemodal}
1006
8a293590 1007\func{virtual void}{MakeModal}{\param{bool }{flag}}
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1008
1009Disables all other windows in the application so that
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1010the user can only interact with this window. (This function
1011is not implemented anywhere).
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1012
1013\wxheading{Parameters}
1014
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1015\docparam{flag}{If {\tt TRUE}, this call disables all other windows in the application so that
1016the user can only interact with this window. If {\tt FALSE}, the effect is reversed.}
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1017
1018\membersection{wxWindow::Move}\label{wxwindowmove}
1019
eaaa6a06 1020\func{void}{Move}{\param{int}{ x}, \param{int}{ y}}
a660d684 1021
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1022\func{void}{Move}{\param{const wxPoint\&}{ pt}}
1023
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1024Moves the window to the given position.
1025
1026\wxheading{Parameters}
1027
1028\docparam{x}{Required x position.}
1029
1030\docparam{y}{Required y position.}
1031
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1032\docparam{pt}{\helpref{wxPoint}{wxpoint} object representing the position.}
1033
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1034\wxheading{Remarks}
1035
1036Implementations of SetSize can also implicitly implement the
1037wxWindow::Move function, which is defined in the base wxWindow class
1038as the call:
1039
1040\begin{verbatim}
1041 SetSize(x, y, -1, -1, wxSIZE_USE_EXISTING);
1042\end{verbatim}
1043
1044\wxheading{See also}
1045
1046\helpref{wxWindow::SetSize}{wxwindowsetsize}
1047
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1048\pythonnote{In place of a single overloaded method name, wxPython
1049implements the following methods:\par
1050\indented{2cm}{\begin{twocollist}
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1051\twocolitem{{\bf Move(point)}}{Accepts a wxPoint}
1052\twocolitem{{\bf MoveXY(x, y)}}{Accepts a pair of integers}
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1053\end{twocollist}}
1054}
1055
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1056%% VZ: wxWindow::OnXXX() functions should not be documented but I'm leaving
1057%% the old docs here in case we want to move any still needed bits to
1058%% the right location (i.e. probably the corresponding events docs)
1059%%
1060%% \membersection{wxWindow::OnActivate}\label{wxwindowonactivate}
1061%%
1062%% \func{void}{OnActivate}{\param{wxActivateEvent\&}{ event}}
1063%%
1064%% Called when a window is activated or deactivated.
1065%%
1066%% \wxheading{Parameters}
1067%%
1068%% \docparam{event}{Object containing activation information.}
1069%%
1070%% \wxheading{Remarks}
1071%%
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1072%% If the window is being activated, \helpref{wxActivateEvent::GetActive}{wxactivateeventgetactive} returns {\tt TRUE},
1073%% otherwise it returns {\tt FALSE} (it is being deactivated).
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1074%%
1075%% \wxheading{See also}
1076%%
1077%% \helpref{wxActivateEvent}{wxactivateevent},\rtfsp
1078%% \helpref{Event handling overview}{eventhandlingoverview}
1079%%
1080%% \membersection{wxWindow::OnChar}\label{wxwindowonchar}
1081%%
1082%% \func{void}{OnChar}{\param{wxKeyEvent\&}{ event}}
1083%%
1084%% Called when the user has pressed a key that is not a modifier (SHIFT, CONTROL or ALT).
1085%%
1086%% \wxheading{Parameters}
1087%%
1088%% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1089%% details about this class.}
1090%%
1091%% \wxheading{Remarks}
1092%%
1093%% This member function is called in response to a keypress. To intercept this event,
1094%% use the EVT\_CHAR macro in an event table definition. Your {\bf OnChar} handler may call this
1095%% default function to achieve default keypress functionality.
1096%%
1097%% Note that the ASCII values do not have explicit key codes: they are passed as ASCII
1098%% values.
1099%%
1100%% Note that not all keypresses can be intercepted this way. If you wish to intercept modifier
1101%% keypresses, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1102%% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1103%%
1104%% Most, but not all, windows allow keypresses to be intercepted.
1105%%
1106%% {\bf Tip:} be sure to call {\tt event.Skip()} for events that you don't process in this function,
1107%% otherwise menu shortcuts may cease to work under Windows.
1108%%
1109%% \wxheading{See also}
1110%%
1111%% \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp
1112%% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1113%% \helpref{Event handling overview}{eventhandlingoverview}
1114%%
1115%% \membersection{wxWindow::OnCharHook}\label{wxwindowoncharhook}
1116%%
1117%% \func{void}{OnCharHook}{\param{wxKeyEvent\&}{ event}}
1118%%
1119%% This member is called to allow the window to intercept keyboard events
1120%% before they are processed by child windows.
1121%%
1122%% \wxheading{Parameters}
1123%%
1124%% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1125%% details about this class.}
1126%%
1127%% \wxheading{Remarks}
1128%%
1129%% This member function is called in response to a keypress, if the window is active. To intercept this event,
1130%% use the EVT\_CHAR\_HOOK macro in an event table definition. If you do not process a particular
1131%% keypress, call \helpref{wxEvent::Skip}{wxeventskip} to allow default processing.
1132%%
1133%% An example of using this function is in the implementation of escape-character processing for wxDialog,
1134%% where pressing ESC dismisses the dialog by {\bf OnCharHook} 'forging' a cancel button press event.
1135%%
1136%% Note that the ASCII values do not have explicit key codes: they are passed as ASCII
1137%% values.
1138%%
1139%% This function is only relevant to top-level windows (frames and dialogs), and under
1140%% Windows only. Under GTK the normal EVT\_CHAR\_ event has the functionality, i.e.
1141%% you can intercepts it and if you don't call \helpref{wxEvent::Skip}{wxeventskip}
1142%% the window won't get the event.
1143%%
1144%% \wxheading{See also}
1145%%
1146%% \helpref{wxKeyEvent}{wxkeyevent},\rtfsp
1147%% \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1148%% %% GD: OnXXX functions are not documented
1149%% %%\helpref{wxApp::OnCharHook}{wxapponcharhook},\rtfsp
1150%% \helpref{Event handling overview}{eventhandlingoverview}
1151%%
1152%% \membersection{wxWindow::OnCommand}\label{wxwindowoncommand}
1153%%
1154%% \func{virtual void}{OnCommand}{\param{wxEvtHandler\& }{object}, \param{wxCommandEvent\& }{event}}
1155%%
1156%% This virtual member function is called if the control does not handle the command event.
1157%%
1158%% \wxheading{Parameters}
1159%%
1160%% \docparam{object}{Object receiving the command event.}
1161%%
1162%% \docparam{event}{Command event}
1163%%
1164%% \wxheading{Remarks}
1165%%
1166%% This virtual function is provided mainly for backward compatibility. You can also intercept commands
1167%% from child controls by using an event table, with identifiers or identifier ranges to identify
1168%% the control(s) in question.
1169%%
1170%% \wxheading{See also}
1171%%
1172%% \helpref{wxCommandEvent}{wxcommandevent},\rtfsp
1173%% \helpref{Event handling overview}{eventhandlingoverview}
1174%%
1175%% \membersection{wxWindow::OnClose}\label{wxwindowonclose}
1176%%
1177%% \func{virtual bool}{OnClose}{\void}
1178%%
1179%% Called when the user has tried to close a a frame
1180%% or dialog box using the window manager (X) or system menu (Windows).
1181%%
1182%% {\bf Note:} This is an obsolete function.
1183%% It is superceded by the \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow} event
1184%% handler.
1185%%
1186%% \wxheading{Return value}
1187%%
bc5879ef 1188%% If {\tt TRUE} is returned by OnClose, the window will be deleted by the system, otherwise the
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1189%% attempt will be ignored. Do not delete the window from within this handler, although
1190%% you may delete other windows.
1191%%
1192%% \wxheading{See also}
1193%%
1194%% \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
1195%% \helpref{wxWindow::Close}{wxwindowclose},\rtfsp
1196%% \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow},\rtfsp
1197%% \helpref{wxCloseEvent}{wxcloseevent}
1198%%
1199%% \membersection{wxWindow::OnCloseWindow}\label{wxwindowonclosewindow}
1200%%
1201%% \func{void}{OnCloseWindow}{\param{wxCloseEvent\& }{event}}
1202%%
1203%% This is an event handler function called when the user has tried to close a a frame
1204%% or dialog box using the window manager (X) or system menu (Windows). It is
1205%% called via the \helpref{wxWindow::Close}{wxwindowclose} function, so
1206%% that the application can also invoke the handler programmatically.
1207%%
1208%% Use the EVT\_CLOSE event table macro to handle close events.
1209%%
1210%% You should check whether the application is forcing the deletion of the window
bc5879ef 1211%% using \helpref{wxCloseEvent::GetForce}{wxcloseeventgetforce}. If this is {\tt TRUE},
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1212%% destroy the window using \helpref{wxWindow::Destroy}{wxwindowdestroy}.
1213%% If not, it is up to you whether you respond by destroying the window.
1214%%
1215%% (Note: GetForce is now superceded by CanVeto. So to test whether forced destruction of
bc5879ef 1216%% the window is required, test for the negative of CanVeto. If CanVeto returns {\tt FALSE},
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1217%% it is not possible to skip window deletion.)
1218%%
1219%% If you don't destroy the window, you should call \helpref{wxCloseEvent::Veto}{wxcloseeventveto} to
1220%% let the calling code know that you did not destroy the window. This allows the \helpref{wxWindow::Close}{wxwindowclose} function
bc5879ef 1221%% to return {\tt TRUE} or {\tt FALSE} depending on whether the close instruction was honoured or not.
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1222%%
1223%% \wxheading{Remarks}
1224%%
1225%% The \helpref{wxWindow::OnClose}{wxwindowonclose} virtual function remains
1226%% for backward compatibility with earlier versions of wxWindows. The
1227%% default {\bf OnCloseWindow} handler for wxFrame and wxDialog will call {\bf OnClose},
bc5879ef 1228%% destroying the window if it returns {\tt TRUE} or if the close is being forced.
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1229%%
1230%% \wxheading{See also}
1231%%
1232%% \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
1233%% \helpref{wxWindow::Close}{wxwindowclose},\rtfsp
1234%% \helpref{wxWindow::OnClose}{wxwindowonclose},\rtfsp
1235%% \helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp
1236%% \helpref{wxCloseEvent}{wxcloseevent},\rtfsp
1237%% \helpref{wxApp::OnQueryEndSession}{wxapponqueryendsession}
1238%% %% GD: OnXXX functions are not documented
1239%% %%\helpref{wxApp::OnEndSession}{wxapponendsession}
1240%%
1241%% \membersection{wxWindow::OnDropFiles}\label{wxwindowondropfiles}
1242%%
1243%% \func{void}{OnDropFiles}{\param{wxDropFilesEvent\&}{ event}}
1244%%
1245%% Called when files have been dragged from the file manager to the window.
1246%%
1247%% \wxheading{Parameters}
1248%%
1249%% \docparam{event}{Drop files event. For more information, see \helpref{wxDropFilesEvent}{wxdropfilesevent}.}
1250%%
1251%% \wxheading{Remarks}
1252%%
1253%% The window must have previously been enabled for dropping by calling
1254%% \rtfsp\helpref{wxWindow::DragAcceptFiles}{wxwindowdragacceptfiles}.
1255%%
1256%% This event is only generated under Windows.
1257%%
1258%% To intercept this event, use the EVT\_DROP\_FILES macro in an event table definition.
1259%%
1260%% \wxheading{See also}
1261%%
1262%% \helpref{wxDropFilesEvent}{wxdropfilesevent}, \helpref{wxWindow::DragAcceptFiles}{wxwindowdragacceptfiles},\rtfsp
1263%% \helpref{Event handling overview}{eventhandlingoverview}
1264%%
1265%% \membersection{wxWindow::OnEraseBackground}\label{wxwindowonerasebackground}
1266%%
1267%% \func{void}{OnEraseBackground}{\param{wxEraseEvent\&}{ event}}
1268%%
1269%% Called when the background of the window needs to be erased.
1270%%
1271%% \wxheading{Parameters}
1272%%
1273%% \docparam{event}{Erase background event. For more information, see \helpref{wxEraseEvent}{wxeraseevent}.}
1274%%
1275%% \wxheading{Remarks}
1276%%
1277%% Under non-Windows platforms, this event is simulated (simply generated just before the
1278%% paint event) and may cause flicker. It is therefore recommended that
1279%% you set the text background colour explicitly in order to prevent flicker.
1280%% The default background colour under GTK is grey.
1281%%
1282%% To intercept this event, use the EVT\_ERASE\_BACKGROUND macro in an event table definition.
1283%%
1284%% \wxheading{See also}
1285%%
1286%% \helpref{wxEraseEvent}{wxeraseevent}, \helpref{Event handling overview}{eventhandlingoverview}
1287%%
1288%% \membersection{wxWindow::OnKeyDown}\label{wxwindowonkeydown}
1289%%
1290%% \func{void}{OnKeyDown}{\param{wxKeyEvent\&}{ event}}
1291%%
1292%% Called when the user has pressed a key, before it is translated into an ASCII value using other
1293%% modifier keys that might be pressed at the same time.
1294%%
1295%% \wxheading{Parameters}
1296%%
1297%% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1298%% details about this class.}
1299%%
1300%% \wxheading{Remarks}
1301%%
1302%% This member function is called in response to a key down event. To intercept this event,
1303%% use the EVT\_KEY\_DOWN macro in an event table definition. Your {\bf OnKeyDown} handler may call this
1304%% default function to achieve default keypress functionality.
1305%%
1306%% Note that not all keypresses can be intercepted this way. If you wish to intercept special
1307%% keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1308%% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1309%%
1310%% Most, but not all, windows allow keypresses to be intercepted.
1311%%
1312%% {\bf Tip:} be sure to call {\tt event.Skip()} for events that you don't process in this function,
1313%% otherwise menu shortcuts may cease to work under Windows.
1314%%
1315%% \wxheading{See also}
1316%%
1317%% \helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp
1318%% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1319%% \helpref{Event handling overview}{eventhandlingoverview}
1320%%
1321%% \membersection{wxWindow::OnKeyUp}\label{wxwindowonkeyup}
1322%%
1323%% \func{void}{OnKeyUp}{\param{wxKeyEvent\&}{ event}}
1324%%
1325%% Called when the user has released a key.
1326%%
1327%% \wxheading{Parameters}
1328%%
1329%% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1330%% details about this class.}
1331%%
1332%% \wxheading{Remarks}
1333%%
1334%% This member function is called in response to a key up event. To intercept this event,
1335%% use the EVT\_KEY\_UP macro in an event table definition. Your {\bf OnKeyUp} handler may call this
1336%% default function to achieve default keypress functionality.
1337%%
1338%% Note that not all keypresses can be intercepted this way. If you wish to intercept special
1339%% keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1340%% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1341%%
1342%% Most, but not all, windows allow key up events to be intercepted.
1343%%
1344%% \wxheading{See also}
1345%%
1346%% \helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown},\rtfsp
1347%% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1348%% \helpref{Event handling overview}{eventhandlingoverview}
1349%%
1350%% \membersection{wxWindow::OnKillFocus}\label{wxwindowonkillfocus}
1351%%
1352%% \func{void}{OnKillFocus}{\param{wxFocusEvent\& }{event}}
1353%%
1354%% Called when a window's focus is being killed.
1355%%
1356%% \wxheading{Parameters}
1357%%
1358%% \docparam{event}{The focus event. For more information, see \helpref{wxFocusEvent}{wxfocusevent}.}
1359%%
1360%% \wxheading{Remarks}
1361%%
1362%% To intercept this event, use the macro EVT\_KILL\_FOCUS in an event table definition.
1363%%
1364%% Most, but not all, windows respond to this event.
1365%%
1366%% \wxheading{See also}
1367%%
1368%% \helpref{wxFocusEvent}{wxfocusevent}, \helpref{wxWindow::OnSetFocus}{wxwindowonsetfocus},\rtfsp
1369%% \helpref{Event handling overview}{eventhandlingoverview}
1370%%
1371%% \membersection{wxWindow::OnIdle}\label{wxwindowonidle}
1372%%
1373%% \func{void}{OnIdle}{\param{wxIdleEvent\& }{event}}
1374%%
1375%% Provide this member function for any processing which needs to be done
1376%% when the application is idle.
1377%%
1378%% \wxheading{See also}
1379%%
1380%% %% GD: OnXXX functions are not documented
1381%% %%\helpref{wxApp::OnIdle}{wxapponidle}
1382%% \helpref{wxIdleEvent}{wxidleevent}
1383%%
1384%% \membersection{wxWindow::OnInitDialog}\label{wxwindowoninitdialog}
1385%%
1386%% \func{void}{OnInitDialog}{\param{wxInitDialogEvent\&}{ event}}
1387%%
1388%% Default handler for the wxEVT\_INIT\_DIALOG event. Calls \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow}.
1389%%
1390%% \wxheading{Parameters}
1391%%
1392%% \docparam{event}{Dialog initialisation event.}
1393%%
1394%% \wxheading{Remarks}
1395%%
1396%% Gives the window the default behaviour of transferring data to child controls via
1397%% the validator that each control has.
1398%%
1399%% \wxheading{See also}
1400%%
1401%% \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow}
1402%%
1403%% \membersection{wxWindow::OnMenuCommand}\label{wxwindowonmenucommand}
1404%%
1405%% \func{void}{OnMenuCommand}{\param{wxCommandEvent\& }{event}}
1406%%
1407%% Called when a menu command is received from a menu bar.
1408%%
1409%% \wxheading{Parameters}
1410%%
1411%% \docparam{event}{The menu command event. For more information, see \helpref{wxCommandEvent}{wxcommandevent}.}
1412%%
1413%% \wxheading{Remarks}
1414%%
1415%% A function with this name doesn't actually exist; you can choose any member function to receive
1416%% menu command events, using the EVT\_COMMAND macro for individual commands or EVT\_COMMAND\_RANGE for
1417%% a range of commands.
1418%%
1419%% \wxheading{See also}
1420%%
1421%% \helpref{wxCommandEvent}{wxcommandevent},\rtfsp
1422%% \helpref{wxWindow::OnMenuHighlight}{wxwindowonmenuhighlight},\rtfsp
1423%% \helpref{Event handling overview}{eventhandlingoverview}
1424%%
1425%% \membersection{wxWindow::OnMenuHighlight}\label{wxwindowonmenuhighlight}
1426%%
1427%% \func{void}{OnMenuHighlight}{\param{wxMenuEvent\& }{event}}
1428%%
1429%% Called when a menu select is received from a menu bar: that is, the
1430%% mouse cursor is over a menu item, but the left mouse button has not been
1431%% pressed.
1432%%
1433%% \wxheading{Parameters}
1434%%
1435%% \docparam{event}{The menu highlight event. For more information, see \helpref{wxMenuEvent}{wxmenuevent}.}
1436%%
1437%% \wxheading{Remarks}
1438%%
1439%% You can choose any member function to receive
1440%% menu select events, using the EVT\_MENU\_HIGHLIGHT macro for individual menu items or EVT\_MENU\_HIGHLIGHT\_ALL macro
1441%% for all menu items.
1442%%
1443%% The default implementation for \helpref{wxFrame::OnMenuHighlight}{wxframeonmenuhighlight} displays help
1444%% text in the first field of the status bar.
1445%%
1446%% This function was known as {\bf OnMenuSelect} in earlier versions of wxWindows, but this was confusing
1447%% since a selection is normally a left-click action.
1448%%
1449%% \wxheading{See also}
1450%%
1451%% \helpref{wxMenuEvent}{wxmenuevent},\rtfsp
1452%% \helpref{wxWindow::OnMenuCommand}{wxwindowonmenucommand},\rtfsp
1453%% \helpref{Event handling overview}{eventhandlingoverview}
1454%%
1455%%
1456%% \membersection{wxWindow::OnMouseEvent}\label{wxwindowonmouseevent}
1457%%
1458%% \func{void}{OnMouseEvent}{\param{wxMouseEvent\&}{ event}}
1459%%
1460%% Called when the user has initiated an event with the
1461%% mouse.
1462%%
1463%% \wxheading{Parameters}
1464%%
1465%% \docparam{event}{The mouse event. See \helpref{wxMouseEvent}{wxmouseevent} for
1466%% more details.}
1467%%
1468%% \wxheading{Remarks}
1469%%
1470%% Most, but not all, windows respond to this event.
1471%%
1472%% To intercept this event, use the EVT\_MOUSE\_EVENTS macro in an event table definition, or individual
1473%% mouse event macros such as EVT\_LEFT\_DOWN.
1474%%
1475%% \wxheading{See also}
1476%%
1477%% \helpref{wxMouseEvent}{wxmouseevent},\rtfsp
1478%% \helpref{Event handling overview}{eventhandlingoverview}
1479%%
1480%% \membersection{wxWindow::OnMove}\label{wxwindowonmove}
1481%%
1482%% \func{void}{OnMove}{\param{wxMoveEvent\& }{event}}
1483%%
1484%% Called when a window is moved.
1485%%
1486%% \wxheading{Parameters}
1487%%
1488%% \docparam{event}{The move event. For more information, see \helpref{wxMoveEvent}{wxmoveevent}.}
1489%%
1490%% \wxheading{Remarks}
1491%%
1492%% Use the EVT\_MOVE macro to intercept move events.
1493%%
1494%% \wxheading{Remarks}
1495%%
1496%% Not currently implemented.
1497%%
1498%% \wxheading{See also}
1499%%
1500%% \helpref{wxMoveEvent}{wxmoveevent},\rtfsp
1501%% \helpref{wxFrame::OnSize}{wxframeonsize},\rtfsp
1502%% \helpref{Event handling overview}{eventhandlingoverview}
1503%%
1504%% \membersection{wxWindow::OnPaint}\label{wxwindowonpaint}
1505%%
1506%% \func{void}{OnPaint}{\param{wxPaintEvent\& }{event}}
1507%%
1508%% Sent to the event handler when the window must be refreshed.
1509%%
1510%% \wxheading{Parameters}
1511%%
1512%% \docparam{event}{Paint event. For more information, see \helpref{wxPaintEvent}{wxpaintevent}.}
1513%%
1514%% \wxheading{Remarks}
1515%%
1516%% Use the EVT\_PAINT macro in an event table definition to intercept paint events.
1517%%
1518%% Note that In a paint event handler, the application must {\it always} create a \helpref{wxPaintDC}{wxpaintdc} object,
1519%% even if you do not use it. Otherwise, under MS Windows, refreshing for this and other windows will go wrong.
1520%%
1521%% For example:
1522%%
1523%% \small{%
1524%% \begin{verbatim}
1525%% void MyWindow::OnPaint(wxPaintEvent\& event)
1526%% {
1527%% wxPaintDC dc(this);
1528%%
1529%% DrawMyDocument(dc);
1530%% }
1531%% \end{verbatim}
1532%% }%
1533%%
1534%% You can optimize painting by retrieving the rectangles
1535%% that have been damaged and only repainting these. The rectangles are in
1536%% terms of the client area, and are unscrolled, so you will need to do
1537%% some calculations using the current view position to obtain logical,
1538%% scrolled units.
1539%%
1540%% Here is an example of using the \helpref{wxRegionIterator}{wxregioniterator} class:
1541%%
1542%% {\small%
1543%% \begin{verbatim}
1544%% // Called when window needs to be repainted.
1545%% void MyWindow::OnPaint(wxPaintEvent\& event)
1546%% {
1547%% wxPaintDC dc(this);
1548%%
1549%% // Find Out where the window is scrolled to
1550%% int vbX,vbY; // Top left corner of client
1551%% GetViewStart(&vbX,&vbY);
1552%%
1553%% int vX,vY,vW,vH; // Dimensions of client area in pixels
1554%% wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
1555%%
1556%% while (upd)
1557%% {
1558%% vX = upd.GetX();
1559%% vY = upd.GetY();
1560%% vW = upd.GetW();
1561%% vH = upd.GetH();
1562%%
1563%% // Alternatively we can do this:
1564%% // wxRect rect;
1565%% // upd.GetRect(&rect);
1566%%
1567%% // Repaint this rectangle
1568%% ...some code...
1569%%
1570%% upd ++ ;
1571%% }
1572%% }
1573%% \end{verbatim}
1574%% }%
1575%%
1576%% \wxheading{See also}
1577%%
1578%% \helpref{wxPaintEvent}{wxpaintevent},\rtfsp
1579%% \helpref{wxPaintDC}{wxpaintdc},\rtfsp
1580%% \helpref{Event handling overview}{eventhandlingoverview}
1581%%
1582%% \membersection{wxWindow::OnScroll}\label{wxwindowonscroll}
1583%%
1584%% \func{void}{OnScroll}{\param{wxScrollWinEvent\& }{event}}
1585%%
1586%% Called when a scroll window event is received from one of the window's built-in scrollbars.
1587%%
1588%% \wxheading{Parameters}
1589%%
1590%% \docparam{event}{Command event. Retrieve the new scroll position by
1591%% calling \helpref{wxScrollEvent::GetPosition}{wxscrolleventgetposition}, and the
1592%% scrollbar orientation by calling \helpref{wxScrollEvent::GetOrientation}{wxscrolleventgetorientation}.}
1593%%
1594%% \wxheading{Remarks}
1595%%
1596%% Note that it is not possible to distinguish between horizontal and vertical scrollbars
1597%% until the function is executing (you can't have one function for vertical, another
1598%% for horizontal events).
1599%%
1600%% \wxheading{See also}
1601%%
1602%% \helpref{wxScrollWinEvent}{wxscrollwinevent},\rtfsp
1603%% \helpref{Event handling overview}{eventhandlingoverview}
1604%%
1605%% \membersection{wxWindow::OnSetFocus}\label{wxwindowonsetfocus}
1606%%
1607%% \func{void}{OnSetFocus}{\param{wxFocusEvent\& }{event}}
1608%%
1609%% Called when a window's focus is being set.
1610%%
1611%% \wxheading{Parameters}
1612%%
1613%% \docparam{event}{The focus event. For more information, see \helpref{wxFocusEvent}{wxfocusevent}.}
1614%%
1615%% \wxheading{Remarks}
1616%%
1617%% To intercept this event, use the macro EVT\_SET\_FOCUS in an event table definition.
1618%%
1619%% Most, but not all, windows respond to this event.
1620%%
1621%% \wxheading{See also}
1622%%
1623%% \helpref{wxFocusEvent}{wxfocusevent}, \helpref{wxWindow::OnKillFocus}{wxwindowonkillfocus},\rtfsp
1624%% \helpref{Event handling overview}{eventhandlingoverview}
1625%%
1626%% \membersection{wxWindow::OnSize}\label{wxwindowonsize}
1627%%
1628%% \func{void}{OnSize}{\param{wxSizeEvent\& }{event}}
1629%%
1630%% Called when the window has been resized. This is not a virtual function; you should
1631%% provide your own non-virtual OnSize function and direct size events to it using EVT\_SIZE
1632%% in an event table definition.
1633%%
1634%% \wxheading{Parameters}
1635%%
1636%% \docparam{event}{Size event. For more information, see \helpref{wxSizeEvent}{wxsizeevent}.}
1637%%
1638%% \wxheading{Remarks}
1639%%
1640%% You may wish to use this for frames to resize their child windows as appropriate.
1641%%
1642%% Note that the size passed is of
1643%% the whole window: call \helpref{wxWindow::GetClientSize}{wxwindowgetclientsize} for the area which may be
1644%% used by the application.
1645%%
1646%% When a window is resized, usually only a small part of the window is damaged and you
1647%% may only need to repaint that area. However, if your drawing depends on the size of the window,
1648%% you may need to clear the DC explicitly and repaint the whole window. In which case, you
1649%% may need to call \helpref{wxWindow::Refresh}{wxwindowrefresh} to invalidate the entire window.
1650%%
1651%% \wxheading{See also}
1652%%
1653%% \helpref{wxSizeEvent}{wxsizeevent},\rtfsp
1654%% \helpref{Event handling overview}{eventhandlingoverview}
1655%%
1656%% \membersection{wxWindow::OnSysColourChanged}\label{wxwindowonsyscolourchanged}
1657%%
1658%% \func{void}{OnSysColourChanged}{\param{wxOnSysColourChangedEvent\& }{event}}
1659%%
1660%% Called when the user has changed the system colours. Windows only.
1661%%
1662%% \wxheading{Parameters}
1663%%
1664%% \docparam{event}{System colour change event. For more information, see \helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent}.}
1665%%
1666%% \wxheading{See also}
1667%%
1668%% \helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent},\rtfsp
1669%% \helpref{Event handling overview}{eventhandlingoverview}
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1670
1671\membersection{wxWindow::PopEventHandler}\label{wxwindowpopeventhandler}
1672
bc5879ef 1673\constfunc{wxEvtHandler*}{PopEventHandler}{\param{bool }{deleteHandler = {\tt FALSE}}}
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1674
1675Removes and returns the top-most event handler on the event handler stack.
1676
1677\wxheading{Parameters}
1678
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1679\docparam{deleteHandler}{If this is {\tt TRUE}, the handler will be deleted after it is removed. The
1680default value is {\tt FALSE}.}
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1681
1682\wxheading{See also}
1683
1684\helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
1685\helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
1686\helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
1687\helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
1688\helpref{wxEvtHandler}{wxevthandler}\rtfsp
1689
1690\membersection{wxWindow::PopupMenu}\label{wxwindowpopupmenu}
1691
605d715d 1692\func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{const wxPoint\& }{pos}}
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1693
1694\func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{int }{x}, \param{int }{y}}
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1695
1696Pops up the given menu at the specified coordinates, relative to this
1697window, and returns control when the user has dismissed the menu. If a
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1698menu item is selected, the corresponding menu event is generated and will be
1699processed as usually.
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1700
1701\wxheading{Parameters}
1702
1703\docparam{menu}{Menu to pop up.}
1704
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1705\docparam{pos}{The position where the menu will appear.}
1706
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1707\docparam{x}{Required x position for the menu to appear.}
1708
1709\docparam{y}{Required y position for the menu to appear.}
1710
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1711\wxheading{See also}
1712
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1713\helpref{wxMenu}{wxmenu}
1714
1715\wxheading{Remarks}
1716
1717Just before the menu is popped up, \helpref{wxMenu::UpdateUI}{wxmenuupdateui} is called
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1718to ensure that the menu items are in the correct state. The menu does not get deleted
1719by the window.
a660d684 1720
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1721\pythonnote{In place of a single overloaded method name, wxPython
1722implements the following methods:\par
1723\indented{2cm}{\begin{twocollist}
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1724\twocolitem{{\bf PopupMenu(menu, point)}}{Specifies position with a wxPoint}
1725\twocolitem{{\bf PopupMenuXY(menu, x, y)}}{Specifies position with two integers (x, y)}
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1726\end{twocollist}}
1727}
1728
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1729\membersection{wxWindow::PushEventHandler}\label{wxwindowpusheventhandler}
1730
1731\func{void}{PushEventHandler}{\param{wxEvtHandler* }{handler}}
1732
1733Pushes this event handler onto the event stack for the window.
1734
1735\wxheading{Parameters}
1736
1737\docparam{handler}{Specifies the handler to be pushed.}
1738
1739\wxheading{Remarks}
1740
1741An event handler is an object that is capable of processing the events
1742sent to a window. By default, the window is its own event handler, but
1743an application may wish to substitute another, for example to allow
1744central implementation of event-handling for a variety of different
1745window classes.
1746
1747\helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} allows
1748an application to set up a chain of event handlers, where an event not handled by one event handler is
1749handed to the next one in the chain. Use \helpref{wxWindow::PopEventHandler}{wxwindowpopeventhandler} to
1750remove the event handler.
1751
1752\wxheading{See also}
1753
1754\helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
1755\helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
1756\helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
1757\helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
1758\helpref{wxEvtHandler}{wxevthandler}
1759
1760\membersection{wxWindow::Raise}\label{wxwindowraise}
1761
1762\func{void}{Raise}{\void}
1763
1764Raises the window to the top of the window hierarchy if it is a managed window (dialog
1765or frame).
1766
1767\membersection{wxWindow::Refresh}\label{wxwindowrefresh}
1768
bc5879ef 1769\func{virtual void}{Refresh}{\param{bool}{ eraseBackground = {\tt TRUE}}, \param{const wxRect* }{rect
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1770= NULL}}
1771
1772Causes a message or event to be generated to repaint the
1773window.
1774
1775\wxheading{Parameters}
1776
bc5879ef 1777\docparam{eraseBackground}{If {\tt TRUE}, the background will be
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1778erased.}
1779
1780\docparam{rect}{If non-NULL, only the given rectangle will
1781be treated as damaged.}
1782
1783\membersection{wxWindow::ReleaseMouse}\label{wxwindowreleasemouse}
1784
1785\func{virtual void}{ReleaseMouse}{\void}
1786
1787Releases mouse input captured with \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse}.
1788
1789\wxheading{See also}
1790
1791\helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse}
1792
1793\membersection{wxWindow::RemoveChild}\label{wxwindowremovechild}
1794
1795\func{virtual void}{RemoveChild}{\param{wxWindow* }{child}}
1796
1797Removes a child window. This is called automatically by window deletion
1798functions so should not be required by the application programmer.
1799
1800\wxheading{Parameters}
1801
1802\docparam{child}{Child window to remove.}
1803
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1804\membersection{wxWindow::RemoveEventHandler}{wxwindowremoveeventhandler}
1805
1806\func{bool}{RemoveEventHandler}{\param{wxEvtHandler *}{handler}}
1807
1808Find the given {\it handler} in the windows event handler chain and remove (but
1809not delete) it from it.
1810
1811\wxheading{Parameters}
1812
1813\docparam{handler}{The event handler to remove, must be non {\tt NULL} and
1814must be present in this windows event handlers chain}
1815
1816\wxheading{Return value}
1817
1818Returns {\tt TRUE} if it was found and {\tt FALSE} otherwise (this also results
1819in an assert failure so this function should only be called when the
1820handler is supposed to be there).
1821
1822\wxheading{See also}
1823
1824\helpref{PushEventHandler}{wxwindowpusheventhandler},\rtfsp
1825\helpref{PopEventHandler}{wxwindowpopeventhandler}
1826
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1827\membersection{wxWindow::Reparent}\label{wxwindowreparent}
1828
1829\func{virtual bool}{Reparent}{\param{wxWindow* }{newParent}}
1830
1831Reparents the window, i.e the window will be removed from its
18ac8d69 1832current parent window (e.g. a non-standard toolbar in a wxFrame)
103aab26 1833and then re-inserted into another. Available on Windows and GTK.
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1834
1835\wxheading{Parameters}
1836
1837\docparam{newParent}{New parent.}
1838
a974387a 1839\membersection{wxWindow::ScreenToClient}\label{wxwindowscreentoclient}
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1840
1841\constfunc{virtual void}{ScreenToClient}{\param{int* }{x}, \param{int* }{y}}
1842
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1843\constfunc{virtual wxPoint}{ScreenToClient}{\param{const wxPoint\& }{pt}}
1844
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1845Converts from screen to client window coordinates.
1846
1847\wxheading{Parameters}
1848
1849\docparam{x}{Stores the screen x coordinate and receives the client x coordinate.}
1850
1851\docparam{y}{Stores the screen x coordinate and receives the client x coordinate.}
1852
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1853\docparam{pt}{The screen position for the second form of the function.}
1854
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1855\pythonnote{In place of a single overloaded method name, wxPython
1856implements the following methods:\par
1857\indented{2cm}{\begin{twocollist}
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1858\twocolitem{{\bf ScreenToClient(point)}}{Accepts and returns a wxPoint}
1859\twocolitem{{\bf ScreenToClientXY(x, y)}}{Returns a 2-tuple, (x, y)}
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1860\end{twocollist}}
1861}
1862
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1863\membersection{wxWindow::ScrollLines}\label{wxwindowscrolllines}
1864
9cd6d737 1865\func{virtual bool}{ScrollLines}{\param{int }{lines}}
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1866
1867Scrolls the window by the given number of lines down (if {\it lines} is
1868positive) or up.
1869
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1870\wxheading{Return value}
1871
1872Returns {\tt TRUE} if the window was scrolled, {\tt FALSE} if it was already
1873on top/bottom and nothing was done.
1874
1875\wxheading{Remarks}
1876
1877This function is currently only implemented under MSW and wxTextCtrl under
1878wxGTK (it also works for wxScrolledWindow derived classes under all
1879platforms).
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1880
1881\wxheading{See also}
1882
1883\helpref{ScrollPages}{wxwindowscrollpages}
1884
1885\membersection{wxWindow::ScrollPages}\label{wxwindowscrollpages}
1886
9cd6d737 1887\func{virtual bool}{ScrollPages}{\param{int }{pages}}
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1888
1889Scrolls the window by the given number of pages down (if {\it pages} is
1890positive) or up.
1891
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1892\wxheading{Return value}
1893
1894Returns {\tt TRUE} if the window was scrolled, {\tt FALSE} if it was already
1895on top/bottom and nothing was done.
1896
1897\wxheading{Remarks}
1898
1899This function is currently only implemented under MSW and wxTextCtrl under
1900wxGTK (it also works for wxScrolledWindow derived classes under all
1901platforms).
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1902
1903\wxheading{See also}
1904
1905\helpref{ScrollLines}{wxwindowscrolllines}
06d20283 1906
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1907\membersection{wxWindow::ScrollWindow}\label{wxwindowscrollwindow}
1908
eaaa6a06 1909\func{virtual void}{ScrollWindow}{\param{int }{dx}, \param{int }{dy}, \param{const wxRect*}{ rect = NULL}}
a660d684 1910
6453876e 1911Physically scrolls the pixels in the window and move child windows accordingly.
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1912
1913\wxheading{Parameters}
1914
1915\docparam{dx}{Amount to scroll horizontally.}
1916
1917\docparam{dy}{Amount to scroll vertically.}
1918
1919\docparam{rect}{Rectangle to invalidate. If this is NULL, the whole window is invalidated. If you
1920pass a rectangle corresponding to the area of the window exposed by the scroll, your painting handler
f6bcfd97 1921can optimize painting by checking for the invalidated region. This parameter is ignored under GTK.}
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1922
1923\wxheading{Remarks}
1924
a660d684 1925Use this function to optimise your scrolling implementations, to minimise the area that must be
6453876e 1926redrawn. Note that it is rarely required to call this function from a user program.
a660d684 1927
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1928\membersection{wxWindow::SetAcceleratorTable}\label{wxwindowsetacceleratortable}
1929
1930\func{virtual void}{SetAcceleratorTable}{\param{const wxAcceleratorTable\&}{ accel}}
1931
1932Sets the accelerator table for this window. See \helpref{wxAcceleratorTable}{wxacceleratortable}.
1933
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1934\membersection{wxWindow::SetAutoLayout}\label{wxwindowsetautolayout}
1935
8a293590 1936\func{void}{SetAutoLayout}{\param{bool}{ autoLayout}}
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1937
1938Determines whether the \helpref{wxWindow::Layout}{wxwindowlayout} function will
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1939be called automatically when the window is resized. Use in connection with
1940\helpref{wxWindow::SetSizer}{wxwindowsetsizer} and
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1941\helpref{wxWindow::SetConstraints}{wxwindowsetconstraints} for laying out
1942subwindows.
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1943
1944\wxheading{Parameters}
1945
bc5879ef 1946\docparam{autoLayout}{Set this to {\tt TRUE} if you wish the Layout function to be called
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1947from within wxWindow::OnSize functions.}
1948
1949\wxheading{See also}
1950
1951\helpref{wxWindow::SetConstraints}{wxwindowsetconstraints}
1952
1953\membersection{wxWindow::SetBackgroundColour}\label{wxwindowsetbackgroundcolour}
1954
1955\func{virtual void}{SetBackgroundColour}{\param{const wxColour\& }{colour}}
1956
1957Sets the background colour of the window.
1958
1959\wxheading{Parameters}
1960
1961\docparam{colour}{The colour to be used as the background colour.}
1962
1963\wxheading{Remarks}
1964
1965The background colour is usually painted by the default\rtfsp
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1966\helpref{wxWindow::OnEraseBackground}{wxwindowonerasebackground} event handler function
1967under Windows and automatically under GTK.
a660d684 1968
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1969Note that setting the background colour does not cause an immediate refresh, so you
1970may wish to call \helpref{wxWindow::Clear}{wxwindowclear} or \helpref{wxWindow::Refresh}{wxwindowrefresh} after
1971calling this function.
1972
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1973Use this function with care under GTK as the new appearance of the window might
1974not look equally well when used with "Themes", i.e GTK's ability to change its
1975look as the user wishes with run-time loadable modules.
6453876e 1976
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1977\wxheading{See also}
1978
1979\helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour},\rtfsp
1980\helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
1981\helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
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1982\helpref{wxWindow::Clear}{wxwindowclear},\rtfsp
1983\helpref{wxWindow::Refresh}{wxwindowrefresh},\rtfsp
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1984\helpref{wxWindow::OnEraseBackground}{wxwindowonerasebackground}
1985
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1986\membersection{wxWindow::SetCaret}\label{wxwindowsetcaret}
1987
1988\constfunc{void}{SetCaret}{\param{wxCaret *}{caret}}
1989
1990Sets the \helpref{caret}{wxcaret} associated with the window.
1991
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1992\membersection{wxWindow::SetClientSize}\label{wxwindowsetclientsize}
1993
1994\func{virtual void}{SetClientSize}{\param{int}{ width}, \param{int}{ height}}
1995
1996\func{virtual void}{SetClientSize}{\param{const wxSize\&}{ size}}
1997
1998This sets the size of the window client area in pixels. Using this function to size a window
1999tends to be more device-independent than \helpref{wxWindow::SetSize}{wxwindowsetsize}, since the application need not
2000worry about what dimensions the border or title bar have when trying to fit the window
2001around panel items, for example.
2002
2003\wxheading{Parameters}
2004
2005\docparam{width}{The required client area width.}
2006
2007\docparam{height}{The required client area height.}
2008
2009\docparam{size}{The required client size.}
2010
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2011\pythonnote{In place of a single overloaded method name, wxPython
2012implements the following methods:\par
2013\indented{2cm}{\begin{twocollist}
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2014\twocolitem{{\bf SetClientSize(size)}}{Accepts a wxSize}
2015\twocolitem{{\bf SetClientSizeWH(width, height)}}{}
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2016\end{twocollist}}
2017}
2018
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2019\membersection{wxWindow::SetContainingSizer}\label{wxwindowsetcontainingsizer}
2020
2021\func{void}{SetContainingSizer}{\param{wxSizer* }{sizer}}
2022
2023This normally does not need to be called by user code. It is called
2024when a window is added to a sizer, and is used so the window can
2025remove itself from the sizer when it is destroyed.
2026
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2027\membersection{wxWindow::SetCursor}\label{wxwindowsetcursor}
2028
2029\func{virtual void}{SetCursor}{\param{const wxCursor\&}{cursor}}
2030
8a9c2246
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2031% VZ: the docs are correct, if the code doesn't behave like this, it must be
2032% changed
2033Sets the window's cursor. Notice that the window cursor also sets it for the
2034children of the window implicitly.
2035
2036The {\it cursor} may be {\tt wxNullCursor} in which case the window cursor will
2037be reset back to default.
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2038
2039\wxheading{Parameters}
2040
2041\docparam{cursor}{Specifies the cursor that the window should normally display.}
2042
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2043\wxheading{See also}
2044
2045\helpref{::wxSetCursor}{wxsetcursor}, \helpref{wxCursor}{wxcursor}
2046
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2047\membersection{wxWindow::SetConstraints}\label{wxwindowsetconstraints}
2048
2049\func{void}{SetConstraints}{\param{wxLayoutConstraints* }{constraints}}
2050
2051Sets the window to have the given layout constraints. The window
2052will then own the object, and will take care of its deletion.
2053If an existing layout constraints object is already owned by the
2054window, it will be deleted.
2055
2056\wxheading{Parameters}
2057
2058\docparam{constraints}{The constraints to set. Pass NULL to disassociate and delete the window's
2059constraints.}
2060
2061\wxheading{Remarks}
2062
2063You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use
2cdac558 2064the constraints automatically in OnSize; otherwise, you must override OnSize and call Layout()
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2065explicitly. When setting both a wxLayoutConstraints and a \helpref{wxSizer}{wxsizer}, only the
2066sizer will have effect.
a660d684 2067
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2068\membersection{wxWindow::SetDropTarget}\label{wxwindowsetdroptarget}
2069
2070\func{void}{SetDropTarget}{\param{wxDropTarget*}{ target}}
2071
2072Associates a drop target with this window.
2073
2074If the window already has a drop target, it is deleted.
2075
2076\wxheading{See also}
2077
c9f00eeb 2078\helpref{wxWindow::GetDropTarget}{wxwindowgetdroptarget},
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2079\helpref{Drag and drop overview}{wxdndoverview}
2080
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2081\membersection{wxWindow::SetEventHandler}\label{wxwindowseteventhandler}
2082
2083\func{void}{SetEventHandler}{\param{wxEvtHandler* }{handler}}
2084
2085Sets the event handler for this window.
2086
2087\wxheading{Parameters}
2088
2089\docparam{handler}{Specifies the handler to be set.}
2090
2091\wxheading{Remarks}
2092
2093An event handler is an object that is capable of processing the events
2094sent to a window. By default, the window is its own event handler, but
2095an application may wish to substitute another, for example to allow
2096central implementation of event-handling for a variety of different
2097window classes.
2098
2099It is usually better to use \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} since
2100this sets up a chain of event handlers, where an event not handled by one event handler is
2101handed to the next one in the chain.
2102
2103\wxheading{See also}
2104
2105\helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
2106\helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
2107\helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
2108\helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
2109\helpref{wxEvtHandler}{wxevthandler}
2110
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2111\membersection{wxWindow::SetExtraStyle}\label{wxwindowsetextrastyle}
2112
2113\func{void}{SetExtraStyle}{\param{long }{exStyle}}
2114
2115Sets the extra style bits for the window. The currently defined extra style
2116bits are:
2117
2118\twocolwidtha{5cm}%
2119\begin{twocollist}\itemsep=0pt
2120\twocolitem{\windowstyle{wxWS\_EX\_VALIDATE\_RECURSIVELY}}{TransferDataTo/FromWindow()
2121and Validate() methods will recursively descend into all children of the
2122window if it has this style flag set.}
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2123\twocolitem{\windowstyle{wxWS\_EX\_BLOCK\_EVENTS}}{Normally, the command
2124events are propagared upwards to the window parent recursively until a handler
2125for them is found. Using this style allows to prevent them from being
2126propagated beyond this window. Notice that wxDialog has this style on by
be90c029 2127default for the reasons explained in the
e4b713a2 2128\helpref{event processing overview}{eventprocessing}.}
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2129\twocolitem{\windowstyle{wxWS\_EX\_TRANSIENT}}{This can be used to prevent a
2130window from being used as an implicit parent for the dialogs which were
2131created without a parent. It is useful for the windows which can disappear at
2132any moment as creating childs of such windows results in fatal problems.}
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2133\twocolitem{\windowstyle{wxFRAME\_EX\_CONTEXTHELP}}{Under Windows, puts a query button on the
2134caption. When pressed, Windows will go into a context-sensitive help mode and wxWindows will send
2135a wxEVT\_HELP event if the user clicked on an application window.
2136This style cannot be used together with wxMAXIMIZE\_BOX or wxMINIMIZE\_BOX, so
be90c029 2137you should use the style of
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2138{\tt wxDEFAULT\_FRAME\_STYLE & ~(wxMINIMIZE\_BOX | wxMAXIMIZE\_BOX)} for the
2139frames having this style (the dialogs don't have minimize nor maximize box by
2140default)}
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2141\end{twocollist}
2142
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2143\membersection{wxWindow::SetFocus}\label{wxwindowsetfocus}
2144
2145\func{virtual void}{SetFocus}{\void}
2146
2147This sets the window to receive keyboard input.
2148
2149\membersection{wxWindow::SetFont}\label{wxwindowsetfont}
2150
2151\func{void}{SetFont}{\param{const wxFont\& }{font}}
2152
2153Sets the font for this window.
2154
2155\wxheading{Parameters}
2156
2157\docparam{font}{Font to associate with this window.}
2158
2159\wxheading{See also}
2160
2161\helpref{wxWindow::GetFont}{wxwindowgetfont}
2162
2163\membersection{wxWindow::SetForegroundColour}\label{wxwindowsetforegroundcolour}
2164
2165\func{virtual void}{SetForegroundColour}{\param{const wxColour\& }{colour}}
2166
2167Sets the foreground colour of the window.
2168
2169\wxheading{Parameters}
2170
2171\docparam{colour}{The colour to be used as the foreground colour.}
2172
2173\wxheading{Remarks}
2174
2175The interpretation of foreground colour is open to interpretation according
2176to the window class; it may be the text colour or other colour, or it may not
2177be used at all.
2178
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2179Note that when using this functions under GTK, you will disable the so called "themes",
2180i.e. the user chosen apperance of windows and controls, including the themes of
2181their parent windows.
2182
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2183\wxheading{See also}
2184
2185\helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
2186\helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
2187\helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour}
2188
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2189\membersection{wxWindow::SetHelpText}\label{wxwindowsethelptext}
2190
2191\func{virtual void}{SetHelpText}{\param{const wxString\& }{helpText}}
2192
2193Sets the help text to be used as context-sensitive help for this window.
2194
2195Note that the text is actually stored by the current \helpref{wxHelpProvider}{wxhelpprovider} implementation,
2196and not in the window object itself.
2197
2198\wxheading{See also}
2199
2200\helpref{GetHelpText}{wxwindowgethelptext}, \helpref{wxHelpProvider}{wxhelpprovider}
2201
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2202\membersection{wxWindow::SetId}\label{wxwindowsetid}
2203
2204\func{void}{SetId}{\param{int}{ id}}
2205
2206Sets the identifier of the window.
2207
2208\wxheading{Remarks}
2209
2210Each window has an integer identifier. If the application has not provided one,
2211an identifier will be generated. Normally, the identifier should be provided
2212on creation and should not be modified subsequently.
2213
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2214\wxheading{See also}
2215
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2216\helpref{wxWindow::GetId}{wxwindowgetid},\rtfsp
2217\helpref{Window identifiers}{windowids}
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2218
2219\membersection{wxWindow::SetName}\label{wxwindowsetname}
2220
2221\func{virtual void}{SetName}{\param{const wxString\& }{name}}
2222
2223Sets the window's name.
2224
2225\wxheading{Parameters}
2226
2227\docparam{name}{A name to set for the window.}
2228
2229\wxheading{See also}
2230
2231\helpref{wxWindow::GetName}{wxwindowgetname}
2232
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2233\membersection{wxWindow::SetPalette}\label{wxwindowsetpalette}
2234
2235\func{virtual void}{SetPalette}{\param{wxPalette* }{palette}}
2236
2237Obsolete - use \helpref{wxDC::SetPalette}{wxdcsetpalette} instead.
2238
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2239\membersection{wxWindow::SetScrollbar}\label{wxwindowsetscrollbar}
2240
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2241\func{virtual void}{SetScrollbar}{\param{int }{orientation}, \param{int }{position},\rtfsp
2242\param{int }{thumbSize}, \param{int }{range},\rtfsp
bc5879ef 2243\param{bool }{refresh = {\tt TRUE}}}
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2244
2245Sets the scrollbar properties of a built-in scrollbar.
2246
2247\wxheading{Parameters}
2248
2249\docparam{orientation}{Determines the scrollbar whose page size is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2250
2251\docparam{position}{The position of the scrollbar in scroll units.}
2252
2253\docparam{thumbSize}{The size of the thumb, or visible portion of the scrollbar, in scroll units.}
2254
2255\docparam{range}{The maximum position of the scrollbar.}
2256
bc5879ef 2257\docparam{refresh}{{\tt TRUE} to redraw the scrollbar, {\tt FALSE} otherwise.}
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2258
2259\wxheading{Remarks}
2260
2261Let's say you wish to display 50 lines of text, using the same font.
2262The window is sized so that you can only see 16 lines at a time.
2263
2264You would use:
2265
2266{\small%
2267\begin{verbatim}
2268 SetScrollbar(wxVERTICAL, 0, 16, 50);
2269\end{verbatim}
2270}
2271
2272Note that with the window at this size, the thumb position can never go
2273above 50 minus 16, or 34.
2274
2275You can determine how many lines are currently visible by dividing the current view
2276size by the character height in pixels.
2277
2278When defining your own scrollbar behaviour, you will always need to recalculate
2279the scrollbar settings when the window size changes. You could therefore put your
2280scrollbar calculations and SetScrollbar
2281call into a function named AdjustScrollbars, which can be called initially and also
2282from your \helpref{wxWindow::OnSize}{wxwindowonsize} event handler function.
2283
2284\wxheading{See also}
2285
2286\helpref{Scrolling overview}{scrollingoverview},\rtfsp
2287\helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2288
2289\begin{comment}
2290\membersection{wxWindow::SetScrollPage}\label{wxwindowsetscrollpage}
2291
bc5879ef 2292\func{virtual void}{SetScrollPage}{\param{int }{orientation}, \param{int }{pageSize}, \param{bool }{refresh = {\tt TRUE}}}
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2293
2294Sets the page size of one of the built-in scrollbars.
2295
2296\wxheading{Parameters}
2297
2298\docparam{orientation}{Determines the scrollbar whose page size is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2299
2300\docparam{pageSize}{Page size in scroll units.}
2301
bc5879ef 2302\docparam{refresh}{{\tt TRUE} to redraw the scrollbar, {\tt FALSE} otherwise.}
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2303
2304\wxheading{Remarks}
2305
2306The page size of a scrollbar is the number of scroll units that the scroll thumb travels when you
2307click on the area above/left of or below/right of the thumb. Normally you will want a whole visible
2308page to be scrolled, i.e. the size of the current view (perhaps the window client size). This
2309value has to be adjusted when the window is resized, since the page size will have changed.
2310
2311In addition to specifying how far the scroll thumb travels when paging, in Motif and some versions of Windows
2312the thumb changes size to reflect the page size relative to the length of the document. When the
2313document size is only slightly bigger than the current view (window) size, almost all of the scrollbar
2314will be taken up by the thumb. When the two values become the same, the scrollbar will (on some systems)
2315disappear.
2316
2317Currently, this function should be called before SetPageRange, because of a quirk in the Windows
2318handling of pages and ranges.
2319
2320\wxheading{See also}
2321
2322\helpref{wxWindow::SetScrollPos}{wxwindowsetscrollpos},\rtfsp
a660d684 2323\helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
f7bd2698 2324\helpref{wxWindow::GetScrollPage}{wxwindowsetscrollpage},\rtfsp
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2325\helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2326\end{comment}
2327
2328\membersection{wxWindow::SetScrollPos}\label{wxwindowsetscrollpos}
2329
bc5879ef 2330\func{virtual void}{SetScrollPos}{\param{int }{orientation}, \param{int }{pos}, \param{bool }{refresh = {\tt TRUE}}}
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2331
2332Sets the position of one of the built-in scrollbars.
2333
2334\wxheading{Parameters}
2335
2336\docparam{orientation}{Determines the scrollbar whose position is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2337
2338\docparam{pos}{Position in scroll units.}
2339
bc5879ef 2340\docparam{refresh}{{\tt TRUE} to redraw the scrollbar, {\tt FALSE} otherwise.}
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2341
2342\wxheading{Remarks}
2343
2344This function does not directly affect the contents of the window: it is up to the
2345application to take note of scrollbar attributes and redraw contents accordingly.
2346
2347\wxheading{See also}
2348
2349\helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar},\rtfsp
2350\helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
f7bd2698 2351\helpref{wxWindow::GetScrollThumb}{wxwindowgetscrollthumb},\rtfsp
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2352\helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2353
2354\begin{comment}
2355\membersection{wxWindow::SetScrollRange}\label{wxwindowsetscrollrange}
2356
bc5879ef 2357\func{virtual void}{SetScrollRange}{\param{int }{orientation}, \param{int }{range}, \param{bool }{refresh = {\tt TRUE}}}
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2358
2359Sets the range of one of the built-in scrollbars.
2360
2361\wxheading{Parameters}
2362
2363\docparam{orientation}{Determines the scrollbar whose range is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2364
2365\docparam{range}{Scroll range.}
2366
bc5879ef 2367\docparam{refresh}{{\tt TRUE} to redraw the scrollbar, {\tt FALSE} otherwise.}
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2368
2369\wxheading{Remarks}
2370
2371The range of a scrollbar is the number of steps that the thumb may travel, rather than the total
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2372object length of the scrollbar. If you are implementing a scrolling window, for example, you
2373would adjust the scroll range when the window is resized, by subtracting the window view size from the
2374total virtual window size. When the two sizes are the same (all the window is visible), the range goes to zero
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2375and usually the scrollbar will be automatically hidden.
2376
2377\wxheading{See also}
2378
2379\helpref{wxWindow::SetScrollPos}{wxwindowsetscrollpos},\rtfsp
2380\helpref{wxWindow::SetScrollPage}{wxwindowsetscrollpage},\rtfsp
2381\helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
f7bd2698 2382\helpref{wxWindow::GetScrollPage}{wxwindowsetscrollpage},\rtfsp
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2383\helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2384\end{comment}
2385
2386\membersection{wxWindow::SetSize}\label{wxwindowsetsize}
2387
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2388\func{virtual void}{SetSize}{\param{int}{ x}, \param{int}{ y}, \param{int}{ width}, \param{int}{ height},
2389 \param{int}{ sizeFlags = wxSIZE\_AUTO}}
a660d684 2390
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2391\func{virtual void}{SetSize}{\param{const wxRect\&}{ rect}}
2392
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2393Sets the size and position of the window in pixels.
2394
eaaa6a06 2395\func{virtual void}{SetSize}{\param{int}{ width}, \param{int}{ height}}
a660d684 2396
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2397\func{virtual void}{SetSize}{\param{const wxSize\&}{ size}}
2398
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2399Sets the size of the window in pixels.
2400
2401\wxheading{Parameters}
2402
2403\docparam{x}{Required x position in pixels, or -1 to indicate that the existing
2404value should be used.}
2405
2406\docparam{y}{Required y position in pixels, or -1 to indicate that the existing
2407value should be used.}
2408
2409\docparam{width}{Required width in pixels, or -1 to indicate that the existing
2410value should be used.}
2411
2412\docparam{height}{Required height position in pixels, or -1 to indicate that the existing
2413value should be used.}
2414
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2415\docparam{size}{\helpref{wxSize}{wxsize} object for setting the size.}
2416
2417\docparam{rect}{\helpref{wxRect}{wxrect} object for setting the position and size.}
2418
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2419\docparam{sizeFlags}{Indicates the interpretation of other parameters. It is a bit list of the following:
2420
2421{\bf wxSIZE\_AUTO\_WIDTH}: a -1 width value is taken to indicate
2422a wxWindows-supplied default width.\\
2423{\bf wxSIZE\_AUTO\_HEIGHT}: a -1 height value is taken to indicate
2424a wxWindows-supplied default width.\\
2425{\bf wxSIZE\_AUTO}: -1 size values are taken to indicate
2426a wxWindows-supplied default size.\\
2427{\bf wxSIZE\_USE\_EXISTING}: existing dimensions should be used
2428if -1 values are supplied.\\
2429{\bf wxSIZE\_ALLOW\_MINUS\_ONE}: allow dimensions of -1 and less to be interpreted
2430as real dimensions, not default values.
2431}
2432
2433\wxheading{Remarks}
2434
2435The second form is a convenience for calling the first form with default
2436x and y parameters, and must be used with non-default width and height values.
2437
2438The first form sets the position and optionally size, of the window.
2439Parameters may be -1 to indicate either that a default should be supplied
2440by wxWindows, or that the current value of the dimension should be used.
2441
2442\wxheading{See also}
2443
2444\helpref{wxWindow::Move}{wxwindowmove}
2445
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2446\pythonnote{In place of a single overloaded method name, wxPython
2447implements the following methods:\par
2448\indented{2cm}{\begin{twocollist}
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2449\twocolitem{{\bf SetDimensions(x, y, width, height, sizeFlags=wxSIZE\_AUTO)}}{}
2450\twocolitem{{\bf SetSize(size)}}{}
2451\twocolitem{{\bf SetPosition(point)}}{}
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2452\end{twocollist}}
2453}
2454
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2455\membersection{wxWindow::SetSizeHints}\label{wxwindowsetsizehints}
2456
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2457\func{virtual void}{SetSizeHints}{\param{int}{ minW=-1}, \param{int}{ minH=-1}, \param{int}{ maxW=-1}, \param{int}{ maxH=-1},
2458 \param{int}{ incW=-1}, \param{int}{ incH=-1}}
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2459
2460Allows specification of minimum and maximum window sizes, and window size increments.
2461If a pair of values is not set (or set to -1), the default values will be used.
2462
2463\wxheading{Parameters}
2464
2465\docparam{minW}{Specifies the minimum width allowable.}
2466
2467\docparam{minH}{Specifies the minimum height allowable.}
2468
2469\docparam{maxW}{Specifies the maximum width allowable.}
2470
2471\docparam{maxH}{Specifies the maximum height allowable.}
2472
2473\docparam{incW}{Specifies the increment for sizing the width (Motif/Xt only).}
2474
2475\docparam{incH}{Specifies the increment for sizing the height (Motif/Xt only).}
2476
2477\wxheading{Remarks}
2478
2479If this function is called, the user will not be able to size the window outside the
2480given bounds.
2481
2482The resizing increments are only significant under Motif or Xt.
2483
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2484\membersection{wxWindow::SetSizer}\label{wxwindowsetsizer}
2485
2486\func{void}{SetSizer}{\param{wxSizer* }{sizer}}
2487
2488Sets the window to have the given layout sizer. The window
2489will then own the object, and will take care of its deletion.
2490If an existing layout constraints object is already owned by the
2491window, it will be deleted.
2492
2493\wxheading{Parameters}
2494
2495\docparam{sizer}{The sizer to set. Pass NULL to disassociate and delete the window's
2496sizer.}
2497
2498\wxheading{Remarks}
2499
2500You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use
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2501the sizer automatically in OnSize; otherwise, you must override OnSize and call Layout()
2502explicitly. When setting both a wxSizer and a \helpref{wxLayoutConstraints}{wxlayoutconstraints},
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2503only the sizer will have effect.
2504
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2505\membersection{wxWindow::SetTitle}\label{wxwindowsettitle}
2506
2507\func{virtual void}{SetTitle}{\param{const wxString\& }{title}}
2508
2509Sets the window's title. Applicable only to frames and dialogs.
2510
2511\wxheading{Parameters}
2512
2513\docparam{title}{The window's title.}
2514
2515\wxheading{See also}
2516
2517\helpref{wxWindow::GetTitle}{wxwindowgettitle}
2518
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2519\membersection{wxWindow::SetValidator}\label{wxwindowsetvalidator}
2520
2521\func{virtual void}{SetValidator}{\param{const wxValidator\&}{ validator}}
2522
2523Deletes the current validator (if any) and sets the window validator, having called wxValidator::Clone to
2524create a new validator of this type.
2525
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2526\membersection{wxWindow::SetToolTip}\label{wxwindowsettooltip}
2527
2528\func{void}{SetToolTip}{\param{const wxString\& }{tip}}
2529
2530\func{void}{SetToolTip}{\param{wxToolTip* }{tip}}
2531
c9f00eeb 2532Attach a tooltip to the window.
f6bcfd97 2533
c9f00eeb 2534See also: \helpref{GetToolTip}{wxwindowgettooltip},
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2535 \helpref{wxToolTip}{wxtooltip}
2536
2537
2538\membersection{wxWindow::GetToolTip}\label{wxwindowgettooltip}
2539
2540\constfunc{wxToolTip*}{GetToolTip}{\void}
2541
2542Get the associated tooltip or NULL if none.
2543
2544
2545
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2546\membersection{wxWindow::SetWindowStyle}\label{wxwindowsetwindowstyle}
2547
2548\func{void}{SetWindowStyle}{\param{long}{ style}}
2549
2550Identical to \helpref{SetWindowStyleFlag}{wxwindowsetwindowstyleflag}.
2551
2552\membersection{wxWindow::SetWindowStyleFlag}\label{wxwindowsetwindowstyleflag}
2553
2554\func{virtual void}{SetWindowStyleFlag}{\param{long}{ style}}
2555
2556Sets the style of the window. Please note that some styles cannot be changed
2557after the window creation and that \helpref{Refresh()}{wxwindowrefresh} might
2558be called after changing the others for the change to take place immediately.
2559
b2cf617c 2560See \helpref{Window styles}{windowstyles} for more information about flags.
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2561
2562\wxheading{See also}
2563
2564\helpref{GetWindowStyleFlag}{wxwindowgetwindowstyleflag}
2565
aeab10d0 2566\membersection{wxWindow::Show}\label{wxwindowshow}
a660d684 2567
bc5879ef 2568\func{virtual bool}{Show}{\param{bool}{ show = {\tt TRUE}}}
a660d684 2569
be90c029 2570Shows or hides the window. You may need to call \helpref{Raise}{wxwindowraise}
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2571for a top level window if you want to bring it to top, although this is not
2572needed if Show() is called immediately after the frame creation.
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2573
2574\wxheading{Parameters}
2575
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2576\docparam{show}{If {\tt TRUE} displays the window. Otherwise, hides it.}
2577
2578\wxheading{Return value}
2579
2580{\tt TRUE} if the window has been shown or hidden or {\tt FALSE} if nothing was
2581done because it already was in the requested state.
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2582
2583\wxheading{See also}
2584
2585\helpref{wxWindow::IsShown}{wxwindowisshown}
2586
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2587\membersection{wxWindow::Thaw}\label{wxwindowthaw}
2588
2589\func{virtual void}{Thaw}{\void}
2590
be90c029 2591Reenables window updating after a previous call to
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2592\helpref{Freeze}{wxwindowfreeze}.
2593
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2594\membersection{wxWindow::TransferDataFromWindow}\label{wxwindowtransferdatafromwindow}
2595
2596\func{virtual bool}{TransferDataFromWindow}{\void}
2597
2598Transfers values from child controls to data areas specified by their validators. Returns
bc5879ef 2599{\tt FALSE} if a transfer failed.
a660d684 2600
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2601If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2602the method will also call TransferDataFromWindow() of all child windows.
2603
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2604\wxheading{See also}
2605
2606\helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow},\rtfsp
2607\helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::Validate}{wxwindowvalidate}
2608
2609\membersection{wxWindow::TransferDataToWindow}\label{wxwindowtransferdatatowindow}
2610
2611\func{virtual bool}{TransferDataToWindow}{\void}
2612
2613Transfers values to child controls from data areas specified by their validators.
2614
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2615If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2616the method will also call TransferDataToWindow() of all child windows.
2617
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2618\wxheading{Return value}
2619
bc5879ef 2620Returns {\tt FALSE} if a transfer failed.
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2621
2622\wxheading{See also}
2623
2624\helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2625\helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::Validate}{wxwindowvalidate}
2626
2627\membersection{wxWindow::Validate}\label{wxwindowvalidate}
2628
2629\func{virtual bool}{Validate}{\void}
2630
2631Validates the current values of the child controls using their validators.
2632
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2633If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2634the method will also call Validate() of all child windows.
2635
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2636\wxheading{Return value}
2637
bc5879ef 2638Returns {\tt FALSE} if any of the validations failed.
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2639
2640\wxheading{See also}
2641
2642\helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2643\helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2644\helpref{wxValidator}{wxvalidator}
2645
2646\membersection{wxWindow::WarpPointer}\label{wxwindowwarppointer}
2647
2648\func{void}{WarpPointer}{\param{int}{ x}, \param{int}{ y}}
2649
2650Moves the pointer to the given position on the window.
2651
2652\wxheading{Parameters}
2653
2654\docparam{x}{The new x position for the cursor.}
2655
2656\docparam{y}{The new y position for the cursor.}
2657