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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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6%Please note that we documented a number of handler functions (OnChar(), OnMouse() etc.) in this
7%help text. These must not be called by a user program and are documented only for illustration.
8%On several platforms, only a few of these handlers are actually written (they are not always
9%needed) and if you are uncertain on how to add a certain behaviour to a window class, intercept
10%the respective event as usual and call \helpref{wxEvent::Skip}{wxeventskip} so that the native
11%platform can implement its native behaviour or just ignore the event if nothing needs to be
12%done.
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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.}
50\twocolitem{\windowstyle{wxHSCROLL}}{Use this style to enable a horizontal scrollbar.}
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
2edb0bde 232\perlnote{In wxPerl this method returns a 2-element list instead of
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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
cc81d32f 257\func{bool}{Close}{\param{bool}{ force = {\tt false}}}
a660d684 258
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259This function simply generates a \helpref{wxCloseEvent}{wxcloseevent} whose
260handler usually tries to close the window. It doesn't close the window itself,
261however.
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262
263\wxheading{Parameters}
264
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265\docparam{force}{{\tt false} if the window's close handler should be able to veto the destruction
266of this window, {\tt true} if it cannot.}
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267
268\wxheading{Remarks}
269
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270Close calls the \helpref{close handler}{wxcloseevent} for the window, providing
271an opportunity for the window to choose whether to destroy the window.
272Usually it is only used with the top level windows (wxFrame and wxDialog
273classes) as the others are not supposed to have any special OnClose() logic.
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274
275The close handler should check whether the window is being deleted forcibly,
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276using \helpref{wxCloseEvent::GetForce}{wxcloseeventgetforce}, in which case it
277should destroy the window using \helpref{wxWindow::Destroy}{wxwindowdestroy}.
a660d684 278
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279{\it Note} that calling Close does not guarantee that the window will be
280destroyed; but it provides a way to simulate a manual close of a window, which
281may or may not be implemented by destroying the window. The default
282implementation of wxDialog::OnCloseWindow does not necessarily delete the
283dialog, since it will simply simulate an wxID\_CANCEL event which is handled by
284the appropriate button event handler and may do anything at all.
a660d684 285
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286To guarantee that the window will be destroyed, call
287\helpref{wxWindow::Destroy}{wxwindowdestroy} instead
532372a3 288
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289\wxheading{See also}
290
291\helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
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292\helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp
293\helpref{wxCloseEvent}{wxcloseevent}
294
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295\membersection{wxWindow::ConvertDialogToPixels}\label{wxwindowconvertdialogtopixels}
296
297\func{wxPoint}{ConvertDialogToPixels}{\param{const wxPoint\&}{ pt}}
298
299\func{wxSize}{ConvertDialogToPixels}{\param{const wxSize\&}{ sz}}
300
301Converts a point or size from dialog units to pixels.
302
303For the x dimension, the dialog units are multiplied by the average character width
304and then divided by 4.
305
306For the y dimension, the dialog units are multiplied by the average character height
307and then divided by 8.
308
309\wxheading{Remarks}
310
311Dialog units are used for maintaining a dialog's proportions even if the font changes.
312Dialogs created using Dialog Editor optionally use dialog units.
313
314You can also use these functions programmatically. A convenience macro is defined:
315
316{\small
317\begin{verbatim}
318#define wxDLG_UNIT(parent, pt) parent->ConvertDialogToPixels(pt)
319\end{verbatim}
320}
321
322\wxheading{See also}
323
324\helpref{wxWindow::ConvertPixelsToDialog}{wxwindowconvertpixelstodialog}
325
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326\pythonnote{In place of a single overloaded method name, wxPython
327implements the following methods:\par
328\indented{2cm}{\begin{twocollist}
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329\twocolitem{{\bf ConvertDialogPointToPixels(point)}}{Accepts and returns a wxPoint}
330\twocolitem{{\bf ConvertDialogSizeToPixels(size)}}{Accepts and returns a wxSize}
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331\end{twocollist}}
332
333Additionally, the following helper functions are defined:\par
334\indented{2cm}{\begin{twocollist}
c9110876 335\twocolitem{{\bf wxDLG\_PNT(win, point)}}{Converts a wxPoint from dialog
06d20283 336units to pixels}
c9110876 337\twocolitem{{\bf wxDLG\_SZE(win, size)}}{Converts a wxSize from dialog
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338units to pixels}
339\end{twocollist}}
340}
341
342
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343\membersection{wxWindow::ConvertPixelsToDialog}\label{wxwindowconvertpixelstodialog}
344
345\func{wxPoint}{ConvertPixelsToDialog}{\param{const wxPoint\&}{ pt}}
346
347\func{wxSize}{ConvertPixelsToDialog}{\param{const wxSize\&}{ sz}}
348
349Converts a point or size from pixels to dialog units.
350
351For the x dimension, the pixels are multiplied by 4 and then divided by the average
352character width.
353
2edb0bde 354For the y dimension, the pixels are multiplied by 8 and then divided by the average
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355character height.
356
357\wxheading{Remarks}
358
359Dialog units are used for maintaining a dialog's proportions even if the font changes.
360Dialogs created using Dialog Editor optionally use dialog units.
361
362\wxheading{See also}
363
364\helpref{wxWindow::ConvertDialogToPixels}{wxwindowconvertdialogtopixels}
365
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366
367\pythonnote{In place of a single overloaded method name, wxPython
368implements the following methods:\par
369\indented{2cm}{\begin{twocollist}
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370\twocolitem{{\bf ConvertDialogPointToPixels(point)}}{Accepts and returns a wxPoint}
371\twocolitem{{\bf ConvertDialogSizeToPixels(size)}}{Accepts and returns a wxSize}
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372\end{twocollist}}
373}
374
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375\membersection{wxWindow::Destroy}\label{wxwindowdestroy}
376
377\func{virtual bool}{Destroy}{\void}
378
379Destroys the window safely. Use this function instead of the delete operator, since
380different window classes can be destroyed differently. Frames and dialogs
24174c30 381are not destroyed immediately when this function is called -- they are added
a660d684 382to a list of windows to be deleted on idle time, when all the window's events
2edb0bde 383have been processed. This prevents problems with events being sent to non-existent
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384windows.
385
386\wxheading{Return value}
387
cc81d32f 388{\tt true} if the window has either been successfully deleted, or it has been added
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389to the list of windows pending real deletion.
390
391\membersection{wxWindow::DestroyChildren}
392
393\func{virtual void}{DestroyChildren}{\void}
394
395Destroys all children of a window. Called automatically by the destructor.
396
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397\membersection{wxWindow::Disable}\label{wxwindowdisable}
398
399\func{void}{Disable}{\void}
400
cc81d32f 401Disables the window, same as \helpref{Enable({\tt false})}{wxwindowenable}.
6ba68e88 402
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403\wxheading{Return value}
404
cc81d32f 405Returns {\tt true} if the window has been disabled, {\tt false} if it had been
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406already disabled before the call to this function.
407
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408\membersection{wxWindow::DragAcceptFiles}\label{wxwindowdragacceptfiles}
409
8a293590 410\func{virtual void}{DragAcceptFiles}{\param{bool}{ accept}}
a660d684 411
2edb0bde 412Enables or disables eligibility for drop file events (OnDropFiles).
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413
414\wxheading{Parameters}
415
cc81d32f 416\docparam{accept}{If {\tt true}, the window is eligible for drop file events. If {\tt false}, the window
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417will not accept drop file events.}
418
419\wxheading{Remarks}
420
421Windows only.
422
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423\membersection{wxWindow::Enable}\label{wxwindowenable}
424
cc81d32f 425\func{virtual bool}{Enable}{\param{bool}{ enable = {\tt true}}}
a660d684 426
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427Enable or disable the window for user input. Note that when a parent window is
428disabled, all of its children are disabled as well and they are reenabled again
429when the parent is.
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430
431\wxheading{Parameters}
432
cc81d32f 433\docparam{enable}{If {\tt true}, enables the window for input. If {\tt false}, disables the window.}
a660d684 434
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435\wxheading{Return value}
436
cc81d32f 437Returns {\tt true} if the window has been enabled or disabled, {\tt false} if
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438nothing was done, i.e. if the window had already been in the specified state.
439
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440\wxheading{See also}
441
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442\helpref{wxWindow::IsEnabled}{wxwindowisenabled},\rtfsp
443\helpref{wxWindow::Disable}{wxwindowdisable}
a660d684 444
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445\membersection{wxWindow::FindFocus}\label{wxwindowfindfocus}
446
447\func{static wxWindow*}{FindFocus}{\void}
448
449Finds the window or control which currently has the keyboard focus.
450
451\wxheading{Remarks}
452
453Note that this is a static function, so it can be called without needing a wxWindow pointer.
454
455\wxheading{See also}
456
457\helpref{wxWindow::SetFocus}{wxwindowsetfocus}
458
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459\membersection{wxWindow::FindWindow}\label{wxwindowfindwindow}
460
461\func{wxWindow*}{FindWindow}{\param{long}{ id}}
462
463Find a child of this window, by identifier.
464
465\func{wxWindow*}{FindWindow}{\param{const wxString\&}{ name}}
466
467Find a child of this window, by name.
468
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469\pythonnote{In place of a single overloaded method name, wxPython
470implements the following methods:\par
471\indented{2cm}{\begin{twocollist}
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472\twocolitem{{\bf FindWindowById(id)}}{Accepts an integer}
473\twocolitem{{\bf FindWindowByName(name)}}{Accepts a string}
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474\end{twocollist}}
475}
476
f89a1397 477\membersection{wxWindow::FindWindowById}\label{wxwindowfindwindowbyid}
146ba0fe 478
f89a1397 479\func{static wxWindow*}{FindWindowById}{\param{long}{ id}, \param{wxWindow*}{ parent = NULL}}
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480
481Find the first window with the given {\it id}.
482
483If {\it parent} is NULL, the search will start from all top-level
484frames and dialog boxes; if non-NULL, the search will be limited to the given window hierarchy.
485The search is recursive in both cases.
486
487\wxheading{See also}
488
f89a1397 489\helpref{FindWindow}{wxwindowfindwindow}
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490
491\membersection{wxWindow::FindWindowByName}\label{wxwindowfindwindowbyname}
492
f89a1397 493\func{static wxWindow*}{FindWindowByName}{\param{const wxString\&}{ name}, \param{wxWindow*}{ parent = NULL}}
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494
495Find a window by its name (as given in a window constructor or {\bf Create} function call).
496If {\it parent} is NULL, the search will start from all top-level
497frames and dialog boxes; if non-NULL, the search will be limited to the given window hierarchy.
498The search is recursive in both cases.
499
500If no window with such name is found,
501\helpref{FindWindowByLabel}{wxwindowfindwindowbylabel} is called.
502
503\wxheading{See also}
504
f89a1397 505\helpref{FindWindow}{wxwindowfindwindow}
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506
507\membersection{wxWindow::FindWindowByLabel}\label{wxwindowfindwindowbylabel}
508
f89a1397 509\func{static wxWindow*}{FindWindowByLabel}{\param{const wxString\&}{ label}, \param{wxWindow*}{ parent = NULL}}
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510
511Find a window by its label. Depending on the type of window, the label may be a window title
512or panel item label. If {\it parent} is NULL, the search will start from all top-level
513frames and dialog boxes; if non-NULL, the search will be limited to the given window hierarchy.
514The search is recursive in both cases.
515
516\wxheading{See also}
517
f89a1397 518\helpref{FindWindow}{wxwindowfindwindow}
146ba0fe 519
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520\membersection{wxWindow::Fit}\label{wxwindowfit}
521
522\func{virtual void}{Fit}{\void}
523
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524Sizes the window so that it fits around its subwindows. This function won't do
525anything if there are no subwindows.
a660d684 526
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527\membersection{wxWindow::FitInside}\label{wxwindowfitinside}
528
529\func{virtual void}{FitInside}{\void}
530
531Similar to \helpref{Fit}{wxwindowfit}, but sizes the interior (virtual) size
532of a window. Mainly useful with scrolled windows to reset scrollbars after
533sizing changes that do not trigger a size event, and/or scrolled windows without
534an interior sizer. This function similarly won't do anything if there are no
535subwindows.
536
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537\membersection{wxWindow::Freeze}\label{wxwindowfreeze}
538
539\func{virtual void}{Freeze}{\void}
540
541Freezes the window or, in other words, prevents any updates from taking place
542on screen, the window is not redrawn at all. \helpref{Thaw}{wxwindowthaw} must
543be called to reenable window redrawing.
544
545This method is useful for visual appearance optimization (for example, it
546is a good idea to use it before inserting large amount of text into a
547wxTextCtrl under wxGTK) but is not implemented on all platforms nor for all
548controls so it is mostly just a hint to wxWindows and not a mandatory
549directive.
550
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551\membersection{wxWindow::GetAccessible}\label{wxwindowgetaccessible}
552
553\func{wxAccessibile*}{GetAccessible}{\void}
554
555Returns the accessible object for this window, if any.
556
557See also \helpref{wxAccessible}{wxaccessible}.
558
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559\membersection{wxWindow::GetAdjustedBestSize}\label{wxwindowgetadjustedbestsize}
560
561\constfunc{wxSize}{GetAdjustedBestSize}{\void}
562
563This method is similar to \helpref{GetBestSize}{wxwindowgetbestsize}, except
564in one thing. GetBestSize should return the minimum untruncated size of the
565window, while this method will return the largest of BestSize and any user
566specified minimum size. ie. it is the minimum size the window should currently
567be drawn at, not the minimal size it can possibly tolerate.
568
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569\membersection{wxWindow::GetBackgroundColour}\label{wxwindowgetbackgroundcolour}
570
571\constfunc{virtual wxColour}{GetBackgroundColour}{\void}
572
573Returns the background colour of the window.
574
575\wxheading{See also}
576
577\helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
578\helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
9866d9c2 579\helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour}
a660d684 580
7f071e73 581\membersection{wxWindow::GetBestSize}\label{wxwindowgetbestsize}
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582
583\constfunc{virtual wxSize}{GetBestSize}{\void}
584
585This functions returns the best acceptable minimal size for the window. For
586example, for a static control, it will be the minimal size such that the
3e02f5ed 587control label is not truncated. For windows containing subwindows (typically
8771a323 588\helpref{wxPanel}{wxpanel}), the size returned by this function will be the
3e02f5ed 589same as the size the window would have had after calling
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590\helpref{Fit}{wxwindowfit}.
591
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592\membersection{wxWindow::GetCaret}\label{wxwindowgetcaret}
593
594\constfunc{wxCaret *}{GetCaret}{\void}
595
596Returns the \helpref{caret}{wxcaret} associated with the window.
597
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598\membersection{wxWindow::GetCapture}\label{wxwindowgetcapture}
599
600\func{static wxWindow *}{GetCapture}{\void}
601
602Returns the currently captured window.
603
604\wxheading{See also}
605
606\helpref{wxWindow::HasCapture}{wxwindowhascapture},
607\helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse},
608\helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse},
609\helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent}
610
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611\membersection{wxWindow::GetCharHeight}
612
613\constfunc{virtual int}{GetCharHeight}{\void}
614
615Returns the character height for this window.
616
617\membersection{wxWindow::GetCharWidth}
618
619\constfunc{virtual int}{GetCharWidth}{\void}
620
621Returns the average character width for this window.
622
623\membersection{wxWindow::GetChildren}
624
c0ed460c 625\func{wxList\&}{GetChildren}{\void}
a660d684 626
c0ed460c 627Returns a reference to the list of the window's children.
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628
629\membersection{wxWindow::GetClientSize}\label{wxwindowgetclientsize}
630
631\constfunc{virtual void}{GetClientSize}{\param{int* }{width}, \param{int* }{height}}
632
c9f00eeb 633\perlnote{In wxPerl this method takes no parameter and returns
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634a 2-element list {\tt ( width, height )}.}
635
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636\constfunc{virtual wxSize}{GetClientSize}{\void}
637
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638This gets the size of the window `client area' in pixels.
639The client area is the area which may be drawn on by the programmer,
640excluding title bar, border, scrollbars, etc.
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641
642\wxheading{Parameters}
643
644\docparam{width}{Receives the client width in pixels.}
645
646\docparam{height}{Receives the client height in pixels.}
647
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648\pythonnote{In place of a single overloaded method name, wxPython
649implements the following methods:\par
650\indented{2cm}{\begin{twocollist}
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651\twocolitem{{\bf GetClientSizeTuple()}}{Returns a 2-tuple of (width, height)}
652\twocolitem{{\bf GetClientSize()}}{Returns a wxSize object}
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653\end{twocollist}}
654}
655
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656\wxheading{See also}
657
658\helpref{GetSize}{wxwindowgetsize}
566d84a7 659\helpref{GetVirtualSize}{wxwindowgetvirtualsize}
8ddffcda 660
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661\membersection{wxWindow::GetConstraints}\label{wxwindowgetconstraints}
662
663\constfunc{wxLayoutConstraints*}{GetConstraints}{\void}
664
665Returns a pointer to the window's layout constraints, or NULL if there are none.
666
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667\membersection{wxWindow::GetContainingSizer}\label{wxwindowgetcontainingsizer}
668
669\constfunc{const wxSizer *}{GetContainingSizer}{\void}
670
671Return the sizer that this window is a member of, if any, otherwise
672{\tt NULL}.
673
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674\membersection{wxWindow::GetDropTarget}\label{wxwindowgetdroptarget}
675
676\constfunc{wxDropTarget*}{GetDropTarget}{\void}
677
678Returns the associated drop target, which may be NULL.
679
680\wxheading{See also}
681
c9f00eeb 682\helpref{wxWindow::SetDropTarget}{wxwindowsetdroptarget},
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683\helpref{Drag and drop overview}{wxdndoverview}
684
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685\membersection{wxWindow::GetEventHandler}\label{wxwindowgeteventhandler}
686
687\constfunc{wxEvtHandler*}{GetEventHandler}{\void}
688
689Returns the event handler for this window. By default, the window is its
690own event handler.
691
692\wxheading{See also}
693
694\helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
695\helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
696\helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
697\helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
698\helpref{wxEvtHandler}{wxevthandler}\rtfsp
699
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700\membersection{wxWindow::GetExtraStyle}\label{wxwindowgetextrastyle}
701
702\constfunc{long}{GetExtraStyle}{\void}
703
704Returns the extra style bits for the window.
705
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706\membersection{wxWindow::GetFont}\label{wxwindowgetfont}
707
c0ed460c 708\constfunc{wxFont\&}{GetFont}{\void}
a660d684 709
c0ed460c 710Returns a reference to the font for this window.
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711
712\wxheading{See also}
713
714\helpref{wxWindow::SetFont}{wxwindowsetfont}
715
716\membersection{wxWindow::GetForegroundColour}\label{wxwindowgetforegroundcolour}
717
718\func{virtual wxColour}{GetForegroundColour}{\void}
719
720Returns the foreground colour of the window.
721
722\wxheading{Remarks}
723
724The interpretation of foreground colour is open to interpretation according
725to the window class; it may be the text colour or other colour, or it may not
726be used at all.
727
728\wxheading{See also}
729
730\helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
731\helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
732\helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour}
733
734\membersection{wxWindow::GetGrandParent}
735
736\constfunc{wxWindow*}{GetGrandParent}{\void}
737
738Returns the grandparent of a window, or NULL if there isn't one.
739
4e28924c 740\membersection{wxWindow::GetHandle}\label{wxwindowgethandle}
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741
742\constfunc{void*}{GetHandle}{\void}
743
744Returns the platform-specific handle of the physical window. Cast it to an appropriate
6453876e 745handle, such as {\bf HWND} for Windows, {\bf Widget} for Motif or {\bf GtkWidget} for GTK.
a660d684 746
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747\pythonnote{This method will return an integer in wxPython.}
748
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749\perlnote{This method will return an integer in wxPerl.}
750
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751\membersection{wxWindow::GetHelpText}\label{wxwindowgethelptext}
752
753\constfunc{virtual wxString}{GetHelpText}{\void}
754
755Gets the help text to be used as context-sensitive help for this window.
756
757Note that the text is actually stored by the current \helpref{wxHelpProvider}{wxhelpprovider} implementation,
758and not in the window object itself.
759
760\wxheading{See also}
761
762\helpref{SetHelpText}{wxwindowsethelptext}, \helpref{wxHelpProvider}{wxhelpprovider}
763
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764\membersection{wxWindow::GetId}\label{wxwindowgetid}
765
766\constfunc{int}{GetId}{\void}
767
768Returns the identifier of the window.
769
770\wxheading{Remarks}
771
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772Each window has an integer identifier. If the application has not provided one
773(or the default Id -1) an unique identifier with a negative value will be generated.
a660d684 774
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775\wxheading{See also}
776
b2cf617c 777\helpref{wxWindow::SetId}{wxwindowsetid},\rtfsp
5b6aa0ff 778\helpref{Window identifiers}{windowids}
a660d684 779
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780\membersection{wxWindow::GetLabel}
781
782\constfunc{virtual wxString }{GetLabel}{\void}
783
784Generic way of getting a label from any window, for
785identification purposes.
786
787\wxheading{Remarks}
788
789The interpretation of this function differs from class to class.
790For frames and dialogs, the value returned is the title. For buttons or static text controls, it is
791the button text. This function can be useful for meta-programs (such as testing
792tools or special-needs access programs) which need to identify windows
793by name.
794
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795\membersection{wxWindow::GetName}\label{wxwindowgetname}
796
6453876e 797\constfunc{virtual wxString }{GetName}{\void}
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798
799Returns the window's name.
800
801\wxheading{Remarks}
802
803This name is not guaranteed to be unique; it is up to the programmer to supply an appropriate
804name in the window constructor or via \helpref{wxWindow::SetName}{wxwindowsetname}.
805
806\wxheading{See also}
807
808\helpref{wxWindow::SetName}{wxwindowsetname}
809
810\membersection{wxWindow::GetParent}
811
812\constfunc{virtual wxWindow*}{GetParent}{\void}
813
814Returns the parent of the window, or NULL if there is no parent.
815
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816\membersection{wxWindow::GetPosition}\label{wxwindowgetposition}
817
818\constfunc{virtual void}{GetPosition}{\param{int* }{x}, \param{int* }{y}}
819
820\constfunc{wxPoint}{GetPosition}{\void}
821
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822This gets the position of the window in pixels, relative to the parent window
823for the child windows or relative to the display origin for the top level
824windows.
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825
826\wxheading{Parameters}
827
828\docparam{x}{Receives the x position of the window.}
829
830\docparam{y}{Receives the y position of the window.}
831
832\pythonnote{In place of a single overloaded method name, wxPython
833implements the following methods:\par
834\indented{2cm}{\begin{twocollist}
835\twocolitem{{\bf GetPosition()}}{Returns a wxPoint}
836\twocolitem{{\bf GetPositionTuple()}}{Returns a tuple (x, y)}
837\end{twocollist}}
838}
839
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840\perlnote{In wxPerl there are two methods instead of a single overloaded
841method:\par
842\indented{2cm}{\begin{twocollist}
843\twocolitem{{\bf GetPosition()}}{Returns a Wx::Point}
844\twocolitem{{\bf GetPositionXY()}}{Returns a 2-element list
845 {\tt ( x, y )}}
846\end{twocollist}
847}}
848
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849\membersection{wxWindow::GetRect}\label{wxwindowgetrect}
850
851\constfunc{virtual wxRect}{GetRect}{\void}
852
853Returns the size and position of the window as a \helpref{wxRect}{wxrect} object.
854
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855\membersection{wxWindow::GetScrollThumb}\label{wxwindowgetscrollthumb}
856
eaaa6a06 857\func{virtual int}{GetScrollThumb}{\param{int }{orientation}}
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858
859Returns the built-in scrollbar thumb size.
860
861\wxheading{See also}
862
863\helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
864
865\membersection{wxWindow::GetScrollPos}\label{wxwindowgetscrollpos}
866
eaaa6a06 867\func{virtual int}{GetScrollPos}{\param{int }{orientation}}
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868
869Returns the built-in scrollbar position.
870
871\wxheading{See also}
872
873See \helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
874
875\membersection{wxWindow::GetScrollRange}\label{wxwindowgetscrollrange}
876
eaaa6a06 877\func{virtual int}{GetScrollRange}{\param{int }{orientation}}
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878
879Returns the built-in scrollbar range.
880
881\wxheading{See also}
882
883\helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar}
884
a974387a 885\membersection{wxWindow::GetSize}\label{wxwindowgetsize}
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886
887\constfunc{virtual void}{GetSize}{\param{int* }{width}, \param{int* }{height}}
888
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889\constfunc{virtual wxSize}{GetSize}{\void}
890
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891This gets the size of the entire window in pixels,
892including title bar, border, scrollbars, etc.
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893
894\wxheading{Parameters}
895
896\docparam{width}{Receives the window width.}
897
898\docparam{height}{Receives the window height.}
899
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900\pythonnote{In place of a single overloaded method name, wxPython
901implements the following methods:\par
902\indented{2cm}{\begin{twocollist}
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903\twocolitem{{\bf GetSize()}}{Returns a wxSize}
904\twocolitem{{\bf GetSizeTuple()}}{Returns a 2-tuple (width, height)}
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905\end{twocollist}}
906}
907
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908\perlnote{In wxPerl there are two methods instead of a single overloaded
909method:\par
910\indented{2cm}{\begin{twocollist}
911\twocolitem{{\bf GetSize()}}{Returns a Wx::Size}
912\twocolitem{{\bf GetSizeWH()}}{Returns a 2-element list
913 {\tt ( width, height )}}
914\end{twocollist}
915}}
916
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917\wxheading{See also}
918
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919\helpref{GetClientSize}{wxwindowgetclientsize},\rtfsp
920\helpref{GetVirtualSize}{wxwindowgetvirtualsize}
8ddffcda 921
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922\membersection{wxWindow::GetSizer}\label{wxwindowgetsizer}
923
772c017b 924\constfunc{wxSizer *}{GetSizer}{\void}
e6973167 925
be90c029 926Return the sizer associated with the window by a previous call to
e6973167 927\helpref{SetSizer()}{wxwindowsetsizer} or {\tt NULL}.
a660d684 928
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929\membersection{wxWindow::GetTextExtent}\label{wxwindowgettextextent}
930
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931\constfunc{virtual void}{GetTextExtent}{\param{const wxString\& }{string}, \param{int* }{x}, \param{int* }{y},
932 \param{int* }{descent = NULL}, \param{int* }{externalLeading = NULL},
cc81d32f 933 \param{const wxFont* }{font = NULL}, \param{bool}{ use16 = {\tt false}}}
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934
935Gets the dimensions of the string as it would be drawn on the
936window with the currently selected font.
937
938\wxheading{Parameters}
939
940\docparam{string}{String whose extent is to be measured.}
941
942\docparam{x}{Return value for width.}
943
944\docparam{y}{Return value for height.}
945
946\docparam{descent}{Return value for descent (optional).}
947
948\docparam{externalLeading}{Return value for external leading (optional).}
949
950\docparam{font}{Font to use instead of the current window font (optional).}
951
cc81d32f 952\docparam{use16}{If {\tt true}, {\it string} contains 16-bit characters. The default is {\tt false}.}
a660d684 953
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954
955\pythonnote{In place of a single overloaded method name, wxPython
956implements the following methods:\par
957\indented{2cm}{\begin{twocollist}
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958\twocolitem{{\bf GetTextExtent(string)}}{Returns a 2-tuple, (width, height)}
959\twocolitem{{\bf GetFullTextExtent(string, font=NULL)}}{Returns a
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9604-tuple, (width, height, descent, externalLeading) }
961\end{twocollist}}
962}
963
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964\perlnote{In wxPerl this method takes only the {\tt string} and optionally
965 {\tt font} parameters, and returns a 4-element list
966 {\tt ( x, y, descent, externalLeading )}.}
06d20283 967
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968\membersection{wxWindow::GetTitle}\label{wxwindowgettitle}
969
970\func{virtual wxString}{GetTitle}{\void}
971
972Gets the window's title. Applicable only to frames and dialogs.
973
974\wxheading{See also}
975
976\helpref{wxWindow::SetTitle}{wxwindowsettitle}
977
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978\membersection{wxWindow::GetToolTip}\label{wxwindowgettooltip}
979
980\constfunc{wxToolTip*}{GetToolTip}{\void}
981
982Get the associated tooltip or NULL if none.
983
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984\membersection{wxWindow::GetUpdateRegion}\label{wxwindowgetupdateregion}
985
986\constfunc{virtual wxRegion}{GetUpdateRegion}{\void}
987
988Returns the region specifying which parts of the window have been damaged. Should
f4fcc291 989only be called within an \helpref{wxPaintEvent}{wxpaintevent} handler.
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990
991\wxheading{See also}
992
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993\helpref{wxRegion}{wxregion},\rtfsp
994\helpref{wxRegionIterator}{wxregioniterator}
76c5df24 995
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996\membersection{wxWindow::GetValidator}\label{wxwindowgetvalidator}
997
998\constfunc{wxValidator*}{GetValidator}{\void}
999
1000Returns a pointer to the current validator for the window, or NULL if there is none.
1001
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1002\membersection{wxWindow::GetVirtualSize}\label{wxwindowgetvirtualsize}
1003
1004\constfunc{void}{GetVirtualSize}{\param{int* }{width}, \param{int* }{height}}
1005
1006\constfunc{wxSize}{GetVirtualSize}{\void}
1007
1008This gets the virtual size of the window in pixels.
1009
1010\wxheading{Parameters}
1011
1012\docparam{width}{Receives the window virtual width.}
1013
1014\docparam{height}{Receives the window virtual height.}
1015
1016\helpref{GetSize}{wxwindowgetsize},\rtfsp
1017\helpref{GetClientSize}{wxwindowgetclientsize}
1018
d80cd92a 1019\membersection{wxWindow::GetWindowStyleFlag}\label{wxwindowgetwindowstyleflag}
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1020
1021\constfunc{long}{GetWindowStyleFlag}{\void}
1022
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1023Gets the window style that was passed to the constructor or {\bf Create}
1024method. {\bf GetWindowStyle()} is another name for the same function.
a660d684 1025
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1026\membersection{wxWindow::HasCapture}\label{wxwindowhascapture}
1027
1028\constfunc{virtual bool}{HasCapture}{\void}
1029
cc81d32f 1030Returns true if this window has the current mouse capture.
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1031
1032\wxheading{See also}
1033
1034\helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse},
1035\helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse},
1036\helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent}
1037
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1038\membersection{wxWindow::Hide}\label{wxwindowhide}
1039
1040\func{bool}{Hide}{\void}
1041
cc81d32f 1042Equivalent to calling \helpref{Show}{wxwindowshow}({\tt false}).
bc5879ef 1043
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1044\membersection{wxWindow::InitDialog}\label{wxwindowinitdialog}
1045
1046\func{void}{InitDialog}{\void}
1047
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1048Sends an {\tt wxEVT\_INIT\_DIALOG} event, whose handler usually transfers data
1049to the dialog via validators.
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1050
1051\membersection{wxWindow::IsEnabled}\label{wxwindowisenabled}
1052
1053\constfunc{virtual bool}{IsEnabled}{\void}
1054
cc81d32f 1055Returns {\tt true} if the window is enabled for input, {\tt false} otherwise.
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1056
1057\wxheading{See also}
1058
1059\helpref{wxWindow::Enable}{wxwindowenable}
1060
515da557 1061\membersection{wxWindow:IsExposed}\label{wxwindowisexposed}
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1062
1063\constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}}
1064
605d715d 1065\constfunc{bool}{IsExposed}{\param{wxPoint }{\&pt}}
515da557 1066
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1067\constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}, \param{int }{w}, \param{int }{h}}
1068
605d715d 1069\constfunc{bool}{IsExposed}{\param{wxRect }{\&rect}}
515da557 1070
cc81d32f 1071Returns {\tt true} if the given point or rectangle area has been exposed since the
ad9edf45 1072last repaint. Call this in an paint event handler to optimize redrawing by
4130b487 1073only redrawing those areas, which have been exposed.
ad9edf45 1074
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1075\pythonnote{In place of a single overloaded method name, wxPython
1076implements the following methods:\par
1077\indented{2cm}{\begin{twocollist}
1078\twocolitem{{\bf IsExposed(x,y, w=0,h=0}}{}
1079\twocolitem{{\bf IsExposedPoint(pt)}}{}
1080\twocolitem{{\bf IsExposedRect(rect)}}{}
8771a323 1081\end{twocollist}}}
3e02f5ed 1082
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1083\membersection{wxWindow::IsRetained}\label{wxwindowisretained}
1084
1085\constfunc{virtual bool}{IsRetained}{\void}
1086
cc81d32f 1087Returns {\tt true} if the window is retained, {\tt false} otherwise.
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1088
1089\wxheading{Remarks}
1090
1091Retained windows are only available on X platforms.
1092
1093\membersection{wxWindow::IsShown}\label{wxwindowisshown}
1094
1095\constfunc{virtual bool}{IsShown}{\void}
1096
cc81d32f 1097Returns {\tt true} if the window is shown, {\tt false} if it has been hidden.
a660d684 1098
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1099\membersection{wxWindow::IsTopLevel}\label{wxwindowistoplevel}
1100
1101\constfunc{bool}{IsTopLevel}{\void}
1102
cc81d32f 1103Returns {\tt true} if the given window is a top-level one. Currently all frames and
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1104dialogs are considered to be top-level windows (even if they have a parent
1105window).
1106
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1107\membersection{wxWindow::Layout}\label{wxwindowlayout}
1108
1109\func{void}{Layout}{\void}
1110
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1111Invokes the constraint-based layout algorithm or the sizer-based algorithm
1112for this window.
6453876e 1113
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1114See \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout}: when auto
1115layout is on, this function gets called automatically when the window is resized.
a660d684 1116
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1117\membersection{wxWindow::LineDown}\label{wxwindowlinedown}
1118
1119This is just a wrapper for \helpref{ScrollLines()}{wxwindowscrolllines}$(1)$.
1120
1121\membersection{wxWindow::LineUp}\label{wxwindowlineup}
1122
1123This is just a wrapper for \helpref{ScrollLines()}{wxwindowscrolllines}$(-1)$.
1124
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1125\membersection{wxWindow::Lower}\label{wxwindowlower}
1126
1127\func{void}{Lower}{\void}
1128
1129Lowers the window to the bottom of the window hierarchy if it is a managed window (dialog
1130or frame).
1131
1132\membersection{wxWindow::MakeModal}\label{wxwindowmakemodal}
1133
8a293590 1134\func{virtual void}{MakeModal}{\param{bool }{flag}}
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1135
1136Disables all other windows in the application so that
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1137the user can only interact with this window. (This function
1138is not implemented anywhere).
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1139
1140\wxheading{Parameters}
1141
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1142\docparam{flag}{If {\tt true}, this call disables all other windows in the application so that
1143the user can only interact with this window. If {\tt false}, the effect is reversed.}
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1144
1145\membersection{wxWindow::Move}\label{wxwindowmove}
1146
eaaa6a06 1147\func{void}{Move}{\param{int}{ x}, \param{int}{ y}}
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1149\func{void}{Move}{\param{const wxPoint\&}{ pt}}
1150
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1151Moves the window to the given position.
1152
1153\wxheading{Parameters}
1154
1155\docparam{x}{Required x position.}
1156
1157\docparam{y}{Required y position.}
1158
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1159\docparam{pt}{\helpref{wxPoint}{wxpoint} object representing the position.}
1160
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1161\wxheading{Remarks}
1162
1163Implementations of SetSize can also implicitly implement the
1164wxWindow::Move function, which is defined in the base wxWindow class
1165as the call:
1166
1167\begin{verbatim}
1168 SetSize(x, y, -1, -1, wxSIZE_USE_EXISTING);
1169\end{verbatim}
1170
1171\wxheading{See also}
1172
1173\helpref{wxWindow::SetSize}{wxwindowsetsize}
1174
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1175\pythonnote{In place of a single overloaded method name, wxPython
1176implements the following methods:\par
1177\indented{2cm}{\begin{twocollist}
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1178\twocolitem{{\bf Move(point)}}{Accepts a wxPoint}
1179\twocolitem{{\bf MoveXY(x, y)}}{Accepts a pair of integers}
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1180\end{twocollist}}
1181}
1182
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1183%% VZ: wxWindow::OnXXX() functions should not be documented but I'm leaving
1184%% the old docs here in case we want to move any still needed bits to
1185%% the right location (i.e. probably the corresponding events docs)
1186%%
1187%% \membersection{wxWindow::OnActivate}\label{wxwindowonactivate}
1188%%
1189%% \func{void}{OnActivate}{\param{wxActivateEvent\&}{ event}}
1190%%
1191%% Called when a window is activated or deactivated.
1192%%
1193%% \wxheading{Parameters}
1194%%
1195%% \docparam{event}{Object containing activation information.}
1196%%
1197%% \wxheading{Remarks}
1198%%
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1199%% If the window is being activated, \helpref{wxActivateEvent::GetActive}{wxactivateeventgetactive} returns {\tt true},
1200%% otherwise it returns {\tt false} (it is being deactivated).
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1201%%
1202%% \wxheading{See also}
1203%%
1204%% \helpref{wxActivateEvent}{wxactivateevent},\rtfsp
1205%% \helpref{Event handling overview}{eventhandlingoverview}
1206%%
1207%% \membersection{wxWindow::OnChar}\label{wxwindowonchar}
1208%%
1209%% \func{void}{OnChar}{\param{wxKeyEvent\&}{ event}}
1210%%
1211%% Called when the user has pressed a key that is not a modifier (SHIFT, CONTROL or ALT).
1212%%
1213%% \wxheading{Parameters}
1214%%
1215%% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1216%% details about this class.}
1217%%
1218%% \wxheading{Remarks}
1219%%
1220%% This member function is called in response to a keypress. To intercept this event,
1221%% use the EVT\_CHAR macro in an event table definition. Your {\bf OnChar} handler may call this
1222%% default function to achieve default keypress functionality.
1223%%
1224%% Note that the ASCII values do not have explicit key codes: they are passed as ASCII
1225%% values.
1226%%
1227%% Note that not all keypresses can be intercepted this way. If you wish to intercept modifier
1228%% keypresses, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1229%% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1230%%
1231%% Most, but not all, windows allow keypresses to be intercepted.
1232%%
1233%% {\bf Tip:} be sure to call {\tt event.Skip()} for events that you don't process in this function,
1234%% otherwise menu shortcuts may cease to work under Windows.
1235%%
1236%% \wxheading{See also}
1237%%
1238%% \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp
1239%% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1240%% \helpref{Event handling overview}{eventhandlingoverview}
1241%%
1242%% \membersection{wxWindow::OnCharHook}\label{wxwindowoncharhook}
1243%%
1244%% \func{void}{OnCharHook}{\param{wxKeyEvent\&}{ event}}
1245%%
1246%% This member is called to allow the window to intercept keyboard events
1247%% before they are processed by child windows.
1248%%
1249%% \wxheading{Parameters}
1250%%
1251%% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1252%% details about this class.}
1253%%
1254%% \wxheading{Remarks}
1255%%
1256%% This member function is called in response to a keypress, if the window is active. To intercept this event,
1257%% use the EVT\_CHAR\_HOOK macro in an event table definition. If you do not process a particular
1258%% keypress, call \helpref{wxEvent::Skip}{wxeventskip} to allow default processing.
1259%%
1260%% An example of using this function is in the implementation of escape-character processing for wxDialog,
1261%% where pressing ESC dismisses the dialog by {\bf OnCharHook} 'forging' a cancel button press event.
1262%%
1263%% Note that the ASCII values do not have explicit key codes: they are passed as ASCII
1264%% values.
1265%%
1266%% This function is only relevant to top-level windows (frames and dialogs), and under
1267%% Windows only. Under GTK the normal EVT\_CHAR\_ event has the functionality, i.e.
1268%% you can intercepts it and if you don't call \helpref{wxEvent::Skip}{wxeventskip}
1269%% the window won't get the event.
1270%%
1271%% \wxheading{See also}
1272%%
1273%% \helpref{wxKeyEvent}{wxkeyevent},\rtfsp
1274%% \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1275%% %% GD: OnXXX functions are not documented
1276%% %%\helpref{wxApp::OnCharHook}{wxapponcharhook},\rtfsp
1277%% \helpref{Event handling overview}{eventhandlingoverview}
1278%%
1279%% \membersection{wxWindow::OnCommand}\label{wxwindowoncommand}
1280%%
1281%% \func{virtual void}{OnCommand}{\param{wxEvtHandler\& }{object}, \param{wxCommandEvent\& }{event}}
1282%%
1283%% This virtual member function is called if the control does not handle the command event.
1284%%
1285%% \wxheading{Parameters}
1286%%
1287%% \docparam{object}{Object receiving the command event.}
1288%%
1289%% \docparam{event}{Command event}
1290%%
1291%% \wxheading{Remarks}
1292%%
1293%% This virtual function is provided mainly for backward compatibility. You can also intercept commands
1294%% from child controls by using an event table, with identifiers or identifier ranges to identify
1295%% the control(s) in question.
1296%%
1297%% \wxheading{See also}
1298%%
1299%% \helpref{wxCommandEvent}{wxcommandevent},\rtfsp
1300%% \helpref{Event handling overview}{eventhandlingoverview}
1301%%
1302%% \membersection{wxWindow::OnClose}\label{wxwindowonclose}
1303%%
1304%% \func{virtual bool}{OnClose}{\void}
1305%%
1306%% Called when the user has tried to close a a frame
1307%% or dialog box using the window manager (X) or system menu (Windows).
1308%%
1309%% {\bf Note:} This is an obsolete function.
2edb0bde 1310%% It is superseded by the \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow} event
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1311%% handler.
1312%%
1313%% \wxheading{Return value}
1314%%
cc81d32f 1315%% If {\tt true} is returned by OnClose, the window will be deleted by the system, otherwise the
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1316%% attempt will be ignored. Do not delete the window from within this handler, although
1317%% you may delete other windows.
1318%%
1319%% \wxheading{See also}
1320%%
1321%% \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp
1322%% \helpref{wxWindow::Close}{wxwindowclose},\rtfsp
1323%% \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow},\rtfsp
1324%% \helpref{wxCloseEvent}{wxcloseevent}
1325%%
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1326%% \membersection{wxWindow::OnKeyDown}\label{wxwindowonkeydown}
1327%%
1328%% \func{void}{OnKeyDown}{\param{wxKeyEvent\&}{ event}}
1329%%
1330%% Called when the user has pressed a key, before it is translated into an ASCII value using other
1331%% modifier keys that might be pressed at the same time.
1332%%
1333%% \wxheading{Parameters}
1334%%
1335%% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1336%% details about this class.}
1337%%
1338%% \wxheading{Remarks}
1339%%
1340%% This member function is called in response to a key down event. To intercept this event,
1341%% use the EVT\_KEY\_DOWN macro in an event table definition. Your {\bf OnKeyDown} handler may call this
1342%% default function to achieve default keypress functionality.
1343%%
1344%% Note that not all keypresses can be intercepted this way. If you wish to intercept special
1345%% keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1346%% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1347%%
1348%% Most, but not all, windows allow keypresses to be intercepted.
1349%%
1350%% {\bf Tip:} be sure to call {\tt event.Skip()} for events that you don't process in this function,
1351%% otherwise menu shortcuts may cease to work under Windows.
1352%%
1353%% \wxheading{See also}
1354%%
1355%% \helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp
1356%% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1357%% \helpref{Event handling overview}{eventhandlingoverview}
1358%%
1359%% \membersection{wxWindow::OnKeyUp}\label{wxwindowonkeyup}
1360%%
1361%% \func{void}{OnKeyUp}{\param{wxKeyEvent\&}{ event}}
1362%%
1363%% Called when the user has released a key.
1364%%
1365%% \wxheading{Parameters}
1366%%
1367%% \docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for
1368%% details about this class.}
1369%%
1370%% \wxheading{Remarks}
1371%%
1372%% This member function is called in response to a key up event. To intercept this event,
1373%% use the EVT\_KEY\_UP macro in an event table definition. Your {\bf OnKeyUp} handler may call this
1374%% default function to achieve default keypress functionality.
1375%%
1376%% Note that not all keypresses can be intercepted this way. If you wish to intercept special
1377%% keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or
1378%% \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}.
1379%%
1380%% Most, but not all, windows allow key up events to be intercepted.
1381%%
1382%% \wxheading{See also}
1383%%
1384%% \helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown},\rtfsp
1385%% \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp
1386%% \helpref{Event handling overview}{eventhandlingoverview}
1387%%
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1388%% \membersection{wxWindow::OnInitDialog}\label{wxwindowoninitdialog}
1389%%
1390%% \func{void}{OnInitDialog}{\param{wxInitDialogEvent\&}{ event}}
1391%%
1392%% Default handler for the wxEVT\_INIT\_DIALOG event. Calls \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow}.
1393%%
1394%% \wxheading{Parameters}
1395%%
1396%% \docparam{event}{Dialog initialisation event.}
1397%%
1398%% \wxheading{Remarks}
1399%%
1400%% Gives the window the default behaviour of transferring data to child controls via
1401%% the validator that each control has.
1402%%
1403%% \wxheading{See also}
1404%%
1405%% \helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow}
1406%%
1407%% \membersection{wxWindow::OnMenuCommand}\label{wxwindowonmenucommand}
1408%%
1409%% \func{void}{OnMenuCommand}{\param{wxCommandEvent\& }{event}}
1410%%
1411%% Called when a menu command is received from a menu bar.
1412%%
1413%% \wxheading{Parameters}
1414%%
1415%% \docparam{event}{The menu command event. For more information, see \helpref{wxCommandEvent}{wxcommandevent}.}
1416%%
1417%% \wxheading{Remarks}
1418%%
1419%% A function with this name doesn't actually exist; you can choose any member function to receive
1420%% menu command events, using the EVT\_COMMAND macro for individual commands or EVT\_COMMAND\_RANGE for
1421%% a range of commands.
1422%%
1423%% \wxheading{See also}
1424%%
1425%% \helpref{wxCommandEvent}{wxcommandevent},\rtfsp
1426%% \helpref{wxWindow::OnMenuHighlight}{wxwindowonmenuhighlight},\rtfsp
1427%% \helpref{Event handling overview}{eventhandlingoverview}
1428%%
1429%% \membersection{wxWindow::OnMenuHighlight}\label{wxwindowonmenuhighlight}
1430%%
1431%% \func{void}{OnMenuHighlight}{\param{wxMenuEvent\& }{event}}
1432%%
1433%% Called when a menu select is received from a menu bar: that is, the
1434%% mouse cursor is over a menu item, but the left mouse button has not been
1435%% pressed.
1436%%
1437%% \wxheading{Parameters}
1438%%
1439%% \docparam{event}{The menu highlight event. For more information, see \helpref{wxMenuEvent}{wxmenuevent}.}
1440%%
1441%% \wxheading{Remarks}
1442%%
1443%% You can choose any member function to receive
1444%% menu select events, using the EVT\_MENU\_HIGHLIGHT macro for individual menu items or EVT\_MENU\_HIGHLIGHT\_ALL macro
1445%% for all menu items.
1446%%
1447%% The default implementation for \helpref{wxFrame::OnMenuHighlight}{wxframeonmenuhighlight} displays help
1448%% text in the first field of the status bar.
1449%%
1450%% This function was known as {\bf OnMenuSelect} in earlier versions of wxWindows, but this was confusing
1451%% since a selection is normally a left-click action.
1452%%
1453%% \wxheading{See also}
1454%%
1455%% \helpref{wxMenuEvent}{wxmenuevent},\rtfsp
1456%% \helpref{wxWindow::OnMenuCommand}{wxwindowonmenucommand},\rtfsp
1457%% \helpref{Event handling overview}{eventhandlingoverview}
1458%%
1459%%
1460%% \membersection{wxWindow::OnMouseEvent}\label{wxwindowonmouseevent}
1461%%
1462%% \func{void}{OnMouseEvent}{\param{wxMouseEvent\&}{ event}}
1463%%
1464%% Called when the user has initiated an event with the
1465%% mouse.
1466%%
1467%% \wxheading{Parameters}
1468%%
1469%% \docparam{event}{The mouse event. See \helpref{wxMouseEvent}{wxmouseevent} for
1470%% more details.}
1471%%
1472%% \wxheading{Remarks}
1473%%
1474%% Most, but not all, windows respond to this event.
1475%%
1476%% To intercept this event, use the EVT\_MOUSE\_EVENTS macro in an event table definition, or individual
1477%% mouse event macros such as EVT\_LEFT\_DOWN.
1478%%
1479%% \wxheading{See also}
1480%%
1481%% \helpref{wxMouseEvent}{wxmouseevent},\rtfsp
1482%% \helpref{Event handling overview}{eventhandlingoverview}
1483%%
1484%% \membersection{wxWindow::OnMove}\label{wxwindowonmove}
1485%%
1486%% \func{void}{OnMove}{\param{wxMoveEvent\& }{event}}
1487%%
1488%% Called when a window is moved.
1489%%
1490%% \wxheading{Parameters}
1491%%
1492%% \docparam{event}{The move event. For more information, see \helpref{wxMoveEvent}{wxmoveevent}.}
1493%%
1494%% \wxheading{Remarks}
1495%%
1496%% Use the EVT\_MOVE macro to intercept move events.
1497%%
1498%% \wxheading{Remarks}
1499%%
1500%% Not currently implemented.
1501%%
1502%% \wxheading{See also}
1503%%
1504%% \helpref{wxMoveEvent}{wxmoveevent},\rtfsp
1505%% \helpref{wxFrame::OnSize}{wxframeonsize},\rtfsp
1506%% \helpref{Event handling overview}{eventhandlingoverview}
1507%%
1508%% \membersection{wxWindow::OnPaint}\label{wxwindowonpaint}
1509%%
1510%% \func{void}{OnPaint}{\param{wxPaintEvent\& }{event}}
1511%%
1512%% Sent to the event handler when the window must be refreshed.
1513%%
1514%% \wxheading{Parameters}
1515%%
1516%% \docparam{event}{Paint event. For more information, see \helpref{wxPaintEvent}{wxpaintevent}.}
1517%%
1518%% \wxheading{Remarks}
1519%%
1520%% Use the EVT\_PAINT macro in an event table definition to intercept paint events.
1521%%
1522%% Note that In a paint event handler, the application must {\it always} create a \helpref{wxPaintDC}{wxpaintdc} object,
1523%% even if you do not use it. Otherwise, under MS Windows, refreshing for this and other windows will go wrong.
1524%%
1525%% For example:
1526%%
1527%% \small{%
1528%% \begin{verbatim}
1529%% void MyWindow::OnPaint(wxPaintEvent\& event)
1530%% {
1531%% wxPaintDC dc(this);
1532%%
1533%% DrawMyDocument(dc);
1534%% }
1535%% \end{verbatim}
1536%% }%
1537%%
1538%% You can optimize painting by retrieving the rectangles
1539%% that have been damaged and only repainting these. The rectangles are in
1540%% terms of the client area, and are unscrolled, so you will need to do
1541%% some calculations using the current view position to obtain logical,
1542%% scrolled units.
1543%%
1544%% Here is an example of using the \helpref{wxRegionIterator}{wxregioniterator} class:
1545%%
1546%% {\small%
1547%% \begin{verbatim}
1548%% // Called when window needs to be repainted.
1549%% void MyWindow::OnPaint(wxPaintEvent\& event)
1550%% {
1551%% wxPaintDC dc(this);
1552%%
1553%% // Find Out where the window is scrolled to
1554%% int vbX,vbY; // Top left corner of client
1555%% GetViewStart(&vbX,&vbY);
1556%%
1557%% int vX,vY,vW,vH; // Dimensions of client area in pixels
1558%% wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
1559%%
1560%% while (upd)
1561%% {
1562%% vX = upd.GetX();
1563%% vY = upd.GetY();
1564%% vW = upd.GetW();
1565%% vH = upd.GetH();
1566%%
1567%% // Alternatively we can do this:
1568%% // wxRect rect;
1569%% // upd.GetRect(&rect);
1570%%
1571%% // Repaint this rectangle
1572%% ...some code...
1573%%
1574%% upd ++ ;
1575%% }
1576%% }
1577%% \end{verbatim}
1578%% }%
1579%%
1580%% \wxheading{See also}
1581%%
1582%% \helpref{wxPaintEvent}{wxpaintevent},\rtfsp
1583%% \helpref{wxPaintDC}{wxpaintdc},\rtfsp
1584%% \helpref{Event handling overview}{eventhandlingoverview}
1585%%
1586%% \membersection{wxWindow::OnScroll}\label{wxwindowonscroll}
1587%%
1588%% \func{void}{OnScroll}{\param{wxScrollWinEvent\& }{event}}
1589%%
1590%% Called when a scroll window event is received from one of the window's built-in scrollbars.
1591%%
1592%% \wxheading{Parameters}
1593%%
1594%% \docparam{event}{Command event. Retrieve the new scroll position by
1595%% calling \helpref{wxScrollEvent::GetPosition}{wxscrolleventgetposition}, and the
1596%% scrollbar orientation by calling \helpref{wxScrollEvent::GetOrientation}{wxscrolleventgetorientation}.}
1597%%
1598%% \wxheading{Remarks}
1599%%
1600%% Note that it is not possible to distinguish between horizontal and vertical scrollbars
1601%% until the function is executing (you can't have one function for vertical, another
1602%% for horizontal events).
1603%%
1604%% \wxheading{See also}
1605%%
1606%% \helpref{wxScrollWinEvent}{wxscrollwinevent},\rtfsp
1607%% \helpref{Event handling overview}{eventhandlingoverview}
1608%%
1609%% \membersection{wxWindow::OnSetFocus}\label{wxwindowonsetfocus}
1610%%
1611%% \func{void}{OnSetFocus}{\param{wxFocusEvent\& }{event}}
1612%%
1613%% Called when a window's focus is being set.
1614%%
1615%% \wxheading{Parameters}
1616%%
1617%% \docparam{event}{The focus event. For more information, see \helpref{wxFocusEvent}{wxfocusevent}.}
1618%%
1619%% \wxheading{Remarks}
1620%%
1621%% To intercept this event, use the macro EVT\_SET\_FOCUS in an event table definition.
1622%%
1623%% Most, but not all, windows respond to this event.
1624%%
1625%% \wxheading{See also}
1626%%
1627%% \helpref{wxFocusEvent}{wxfocusevent}, \helpref{wxWindow::OnKillFocus}{wxwindowonkillfocus},\rtfsp
1628%% \helpref{Event handling overview}{eventhandlingoverview}
1629%%
1630%% \membersection{wxWindow::OnSize}\label{wxwindowonsize}
1631%%
1632%% \func{void}{OnSize}{\param{wxSizeEvent\& }{event}}
1633%%
1634%% Called when the window has been resized. This is not a virtual function; you should
1635%% provide your own non-virtual OnSize function and direct size events to it using EVT\_SIZE
1636%% in an event table definition.
1637%%
1638%% \wxheading{Parameters}
1639%%
1640%% \docparam{event}{Size event. For more information, see \helpref{wxSizeEvent}{wxsizeevent}.}
1641%%
1642%% \wxheading{Remarks}
1643%%
1644%% You may wish to use this for frames to resize their child windows as appropriate.
1645%%
1646%% Note that the size passed is of
1647%% the whole window: call \helpref{wxWindow::GetClientSize}{wxwindowgetclientsize} for the area which may be
1648%% used by the application.
1649%%
1650%% When a window is resized, usually only a small part of the window is damaged and you
1651%% may only need to repaint that area. However, if your drawing depends on the size of the window,
1652%% you may need to clear the DC explicitly and repaint the whole window. In which case, you
1653%% may need to call \helpref{wxWindow::Refresh}{wxwindowrefresh} to invalidate the entire window.
1654%%
1655%% \wxheading{See also}
1656%%
1657%% \helpref{wxSizeEvent}{wxsizeevent},\rtfsp
1658%% \helpref{Event handling overview}{eventhandlingoverview}
1659%%
1660%% \membersection{wxWindow::OnSysColourChanged}\label{wxwindowonsyscolourchanged}
1661%%
1662%% \func{void}{OnSysColourChanged}{\param{wxOnSysColourChangedEvent\& }{event}}
1663%%
1664%% Called when the user has changed the system colours. Windows only.
1665%%
1666%% \wxheading{Parameters}
1667%%
1668%% \docparam{event}{System colour change event. For more information, see \helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent}.}
1669%%
1670%% \wxheading{See also}
1671%%
1672%% \helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent},\rtfsp
1673%% \helpref{Event handling overview}{eventhandlingoverview}
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1675\membersection{wxWindow::PageDown}\label{wxwindowpagedown}
1676
1677This is just a wrapper for \helpref{ScrollPages()}{wxwindowscrollpages}$(1)$.
1678
1679\membersection{wxWindow::PageUp}\label{wxwindowpageup}
1680
1681This is just a wrapper for \helpref{ScrollPages()}{wxwindowscrollpages}$(-1)$.
1682
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1683\membersection{wxWindow::PopEventHandler}\label{wxwindowpopeventhandler}
1684
cc81d32f 1685\constfunc{wxEvtHandler*}{PopEventHandler}{\param{bool }{deleteHandler = {\tt false}}}
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1686
1687Removes and returns the top-most event handler on the event handler stack.
1688
1689\wxheading{Parameters}
1690
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1691\docparam{deleteHandler}{If this is {\tt true}, the handler will be deleted after it is removed. The
1692default value is {\tt false}.}
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1693
1694\wxheading{See also}
1695
1696\helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
1697\helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
1698\helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
1699\helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
1700\helpref{wxEvtHandler}{wxevthandler}\rtfsp
1701
1702\membersection{wxWindow::PopupMenu}\label{wxwindowpopupmenu}
1703
605d715d 1704\func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{const wxPoint\& }{pos}}
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1705
1706\func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{int }{x}, \param{int }{y}}
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1707
1708Pops up the given menu at the specified coordinates, relative to this
1709window, and returns control when the user has dismissed the menu. If a
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1710menu item is selected, the corresponding menu event is generated and will be
1711processed as usually.
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1712
1713\wxheading{Parameters}
1714
1715\docparam{menu}{Menu to pop up.}
1716
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1717\docparam{pos}{The position where the menu will appear.}
1718
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1719\docparam{x}{Required x position for the menu to appear.}
1720
1721\docparam{y}{Required y position for the menu to appear.}
1722
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1723\wxheading{See also}
1724
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1725\helpref{wxMenu}{wxmenu}
1726
1727\wxheading{Remarks}
1728
1729Just before the menu is popped up, \helpref{wxMenu::UpdateUI}{wxmenuupdateui} is called
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1730to ensure that the menu items are in the correct state. The menu does not get deleted
1731by the window.
a660d684 1732
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1733\pythonnote{In place of a single overloaded method name, wxPython
1734implements the following methods:\par
1735\indented{2cm}{\begin{twocollist}
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1736\twocolitem{{\bf PopupMenu(menu, point)}}{Specifies position with a wxPoint}
1737\twocolitem{{\bf PopupMenuXY(menu, x, y)}}{Specifies position with two integers (x, y)}
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1738\end{twocollist}}
1739}
1740
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1741\membersection{wxWindow::PushEventHandler}\label{wxwindowpusheventhandler}
1742
1743\func{void}{PushEventHandler}{\param{wxEvtHandler* }{handler}}
1744
1745Pushes this event handler onto the event stack for the window.
1746
1747\wxheading{Parameters}
1748
1749\docparam{handler}{Specifies the handler to be pushed.}
1750
1751\wxheading{Remarks}
1752
1753An event handler is an object that is capable of processing the events
1754sent to a window. By default, the window is its own event handler, but
1755an application may wish to substitute another, for example to allow
1756central implementation of event-handling for a variety of different
1757window classes.
1758
1759\helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} allows
1760an application to set up a chain of event handlers, where an event not handled by one event handler is
1761handed to the next one in the chain. Use \helpref{wxWindow::PopEventHandler}{wxwindowpopeventhandler} to
1762remove the event handler.
1763
1764\wxheading{See also}
1765
1766\helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler},\rtfsp
1767\helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
1768\helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
1769\helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
1770\helpref{wxEvtHandler}{wxevthandler}
1771
1772\membersection{wxWindow::Raise}\label{wxwindowraise}
1773
1774\func{void}{Raise}{\void}
1775
1776Raises the window to the top of the window hierarchy if it is a managed window (dialog
1777or frame).
1778
1779\membersection{wxWindow::Refresh}\label{wxwindowrefresh}
1780
cc81d32f 1781\func{virtual void}{Refresh}{\param{bool}{ eraseBackground = {\tt true}}, \param{const wxRect* }{rect
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1782= NULL}}
1783
1784Causes a message or event to be generated to repaint the
1785window.
1786
1787\wxheading{Parameters}
1788
cc81d32f 1789\docparam{eraseBackground}{If {\tt true}, the background will be
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1790erased.}
1791
1792\docparam{rect}{If non-NULL, only the given rectangle will
1793be treated as damaged.}
1794
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1795\wxheading{See also}
1796
1797\helpref{wxWindow::RefreshRect}{wxwindowrefreshrect}
1798
1799\membersection{wxWindow::RefreshRect}\label{wxwindowrefreshrect}
1800
1801\func{virtual void}{Refresh}{\param{const wxRect\& }{rect}}
1802
1803Redraws the contents of the given rectangle: the area inside it will be
1804repainted.
1805
1806This is the same as \helpref{Refresh}{wxwindowrefresh} but has a nicer syntax.
1807
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1808\membersection{wxWindow::ReleaseMouse}\label{wxwindowreleasemouse}
1809
1810\func{virtual void}{ReleaseMouse}{\void}
1811
1812Releases mouse input captured with \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse}.
1813
1814\wxheading{See also}
1815
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1816\helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse},
1817\helpref{wxWindow::HasCapture}{wxwindowhascapture},
1818\helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse},
1819\helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent}
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1820
1821\membersection{wxWindow::RemoveChild}\label{wxwindowremovechild}
1822
1823\func{virtual void}{RemoveChild}{\param{wxWindow* }{child}}
1824
1825Removes a child window. This is called automatically by window deletion
1826functions so should not be required by the application programmer.
1827
1828\wxheading{Parameters}
1829
1830\docparam{child}{Child window to remove.}
1831
741ed114 1832\membersection{wxWindow::RemoveEventHandler}\label{wxwindowremoveeventhandler}
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1833
1834\func{bool}{RemoveEventHandler}{\param{wxEvtHandler *}{handler}}
1835
1836Find the given {\it handler} in the windows event handler chain and remove (but
1837not delete) it from it.
1838
1839\wxheading{Parameters}
1840
1841\docparam{handler}{The event handler to remove, must be non {\tt NULL} and
1842must be present in this windows event handlers chain}
1843
1844\wxheading{Return value}
1845
cc81d32f 1846Returns {\tt true} if it was found and {\tt false} otherwise (this also results
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1847in an assert failure so this function should only be called when the
1848handler is supposed to be there).
1849
1850\wxheading{See also}
1851
1852\helpref{PushEventHandler}{wxwindowpusheventhandler},\rtfsp
1853\helpref{PopEventHandler}{wxwindowpopeventhandler}
1854
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1855\membersection{wxWindow::Reparent}\label{wxwindowreparent}
1856
1857\func{virtual bool}{Reparent}{\param{wxWindow* }{newParent}}
1858
1859Reparents the window, i.e the window will be removed from its
18ac8d69 1860current parent window (e.g. a non-standard toolbar in a wxFrame)
103aab26 1861and then re-inserted into another. Available on Windows and GTK.
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1862
1863\wxheading{Parameters}
1864
1865\docparam{newParent}{New parent.}
1866
a974387a 1867\membersection{wxWindow::ScreenToClient}\label{wxwindowscreentoclient}
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1868
1869\constfunc{virtual void}{ScreenToClient}{\param{int* }{x}, \param{int* }{y}}
1870
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1871\constfunc{virtual wxPoint}{ScreenToClient}{\param{const wxPoint\& }{pt}}
1872
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1873Converts from screen to client window coordinates.
1874
1875\wxheading{Parameters}
1876
1877\docparam{x}{Stores the screen x coordinate and receives the client x coordinate.}
1878
1879\docparam{y}{Stores the screen x coordinate and receives the client x coordinate.}
1880
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1881\docparam{pt}{The screen position for the second form of the function.}
1882
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1883\pythonnote{In place of a single overloaded method name, wxPython
1884implements the following methods:\par
1885\indented{2cm}{\begin{twocollist}
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1886\twocolitem{{\bf ScreenToClient(point)}}{Accepts and returns a wxPoint}
1887\twocolitem{{\bf ScreenToClientXY(x, y)}}{Returns a 2-tuple, (x, y)}
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1888\end{twocollist}}
1889}
1890
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1891\membersection{wxWindow::ScrollLines}\label{wxwindowscrolllines}
1892
9cd6d737 1893\func{virtual bool}{ScrollLines}{\param{int }{lines}}
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1894
1895Scrolls the window by the given number of lines down (if {\it lines} is
1896positive) or up.
1897
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1898\wxheading{Return value}
1899
cc81d32f 1900Returns {\tt true} if the window was scrolled, {\tt false} if it was already
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1901on top/bottom and nothing was done.
1902
1903\wxheading{Remarks}
1904
1905This function is currently only implemented under MSW and wxTextCtrl under
1906wxGTK (it also works for wxScrolledWindow derived classes under all
1907platforms).
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1908
1909\wxheading{See also}
1910
1911\helpref{ScrollPages}{wxwindowscrollpages}
1912
1913\membersection{wxWindow::ScrollPages}\label{wxwindowscrollpages}
1914
9cd6d737 1915\func{virtual bool}{ScrollPages}{\param{int }{pages}}
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1916
1917Scrolls the window by the given number of pages down (if {\it pages} is
1918positive) or up.
1919
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1920\wxheading{Return value}
1921
cc81d32f 1922Returns {\tt true} if the window was scrolled, {\tt false} if it was already
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1923on top/bottom and nothing was done.
1924
1925\wxheading{Remarks}
1926
1927This function is currently only implemented under MSW and wxTextCtrl under
1928wxGTK (it also works for wxScrolledWindow derived classes under all
1929platforms).
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1930
1931\wxheading{See also}
1932
1933\helpref{ScrollLines}{wxwindowscrolllines}
06d20283 1934
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1935\membersection{wxWindow::ScrollWindow}\label{wxwindowscrollwindow}
1936
eaaa6a06 1937\func{virtual void}{ScrollWindow}{\param{int }{dx}, \param{int }{dy}, \param{const wxRect*}{ rect = NULL}}
a660d684 1938
6453876e 1939Physically scrolls the pixels in the window and move child windows accordingly.
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1940
1941\wxheading{Parameters}
1942
1943\docparam{dx}{Amount to scroll horizontally.}
1944
1945\docparam{dy}{Amount to scroll vertically.}
1946
1947\docparam{rect}{Rectangle to invalidate. If this is NULL, the whole window is invalidated. If you
1948pass a rectangle corresponding to the area of the window exposed by the scroll, your painting handler
f6bcfd97 1949can optimize painting by checking for the invalidated region. This parameter is ignored under GTK.}
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1950
1951\wxheading{Remarks}
1952
a660d684 1953Use this function to optimise your scrolling implementations, to minimise the area that must be
6453876e 1954redrawn. Note that it is rarely required to call this function from a user program.
a660d684 1955
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1956\membersection{wxWindow::SetAcceleratorTable}\label{wxwindowsetacceleratortable}
1957
1958\func{virtual void}{SetAcceleratorTable}{\param{const wxAcceleratorTable\&}{ accel}}
1959
1960Sets the accelerator table for this window. See \helpref{wxAcceleratorTable}{wxacceleratortable}.
1961
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1962\membersection{wxWindow::SetAccessible}\label{wxwindowsetaccessible}
1963
1964\func{void}{SetAccessible}{\param{wxAccessibile*}{ accessible}}
1965
1966Sets the accessible for this window. Any existing accessible for this window
1967will be deleted first, if not identical to {\it accessible}.
1968
1969See also \helpref{wxAccessible}{wxaccessible}.
1970
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1971\membersection{wxWindow::SetAutoLayout}\label{wxwindowsetautolayout}
1972
8a293590 1973\func{void}{SetAutoLayout}{\param{bool}{ autoLayout}}
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1974
1975Determines whether the \helpref{wxWindow::Layout}{wxwindowlayout} function will
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1976be called automatically when the window is resized. It is called implicitly by
1977\helpref{wxWindow::SetSizer}{wxwindowsetsizer} but if you use
1978\helpref{wxWindow::SetConstraints}{wxwindowsetconstraints} you should call it
1979manually or otherwise the window layout won't be correctly updated when its
1980size changes.
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1981
1982\wxheading{Parameters}
1983
cc81d32f 1984\docparam{autoLayout}{Set this to {\tt true} if you wish the Layout function to be called
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1985from within wxWindow::OnSize functions.}
1986
1987\wxheading{See also}
1988
1989\helpref{wxWindow::SetConstraints}{wxwindowsetconstraints}
1990
1991\membersection{wxWindow::SetBackgroundColour}\label{wxwindowsetbackgroundcolour}
1992
1993\func{virtual void}{SetBackgroundColour}{\param{const wxColour\& }{colour}}
1994
1995Sets the background colour of the window.
1996
1997\wxheading{Parameters}
1998
1999\docparam{colour}{The colour to be used as the background colour.}
2000
2001\wxheading{Remarks}
2002
2003The background colour is usually painted by the default\rtfsp
f4fcc291 2004\helpref{wxEraseEvent}{wxeraseevent} event handler function
6453876e 2005under Windows and automatically under GTK.
a660d684 2006
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2007Note that setting the background colour does not cause an immediate refresh, so you
2008may wish to call \helpref{wxWindow::Clear}{wxwindowclear} or \helpref{wxWindow::Refresh}{wxwindowrefresh} after
2009calling this function.
2010
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2011Use this function with care under GTK as the new appearance of the window might
2012not look equally well when used with "Themes", i.e GTK's ability to change its
2013look as the user wishes with run-time loadable modules.
6453876e 2014
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2015\wxheading{See also}
2016
2017\helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour},\rtfsp
2018\helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp
2019\helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
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2020\helpref{wxWindow::Clear}{wxwindowclear},\rtfsp
2021\helpref{wxWindow::Refresh}{wxwindowrefresh},\rtfsp
f4fcc291 2022\helpref{wxEraseEvent}{wxeraseevent}
a660d684 2023
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2024\membersection{wxWindow::SetCaret}\label{wxwindowsetcaret}
2025
2026\constfunc{void}{SetCaret}{\param{wxCaret *}{caret}}
2027
2028Sets the \helpref{caret}{wxcaret} associated with the window.
2029
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2030\membersection{wxWindow::SetClientSize}\label{wxwindowsetclientsize}
2031
2032\func{virtual void}{SetClientSize}{\param{int}{ width}, \param{int}{ height}}
2033
2034\func{virtual void}{SetClientSize}{\param{const wxSize\&}{ size}}
2035
2036This sets the size of the window client area in pixels. Using this function to size a window
2037tends to be more device-independent than \helpref{wxWindow::SetSize}{wxwindowsetsize}, since the application need not
2038worry about what dimensions the border or title bar have when trying to fit the window
2039around panel items, for example.
2040
2041\wxheading{Parameters}
2042
2043\docparam{width}{The required client area width.}
2044
2045\docparam{height}{The required client area height.}
2046
2047\docparam{size}{The required client size.}
2048
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2049\pythonnote{In place of a single overloaded method name, wxPython
2050implements the following methods:\par
2051\indented{2cm}{\begin{twocollist}
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2052\twocolitem{{\bf SetClientSize(size)}}{Accepts a wxSize}
2053\twocolitem{{\bf SetClientSizeWH(width, height)}}{}
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2054\end{twocollist}}
2055}
2056
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2057\membersection{wxWindow::SetContainingSizer}\label{wxwindowsetcontainingsizer}
2058
2059\func{void}{SetContainingSizer}{\param{wxSizer* }{sizer}}
2060
2061This normally does not need to be called by user code. It is called
2062when a window is added to a sizer, and is used so the window can
2063remove itself from the sizer when it is destroyed.
2064
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2065\membersection{wxWindow::SetCursor}\label{wxwindowsetcursor}
2066
2067\func{virtual void}{SetCursor}{\param{const wxCursor\&}{cursor}}
2068
8a9c2246
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2069% VZ: the docs are correct, if the code doesn't behave like this, it must be
2070% changed
2071Sets the window's cursor. Notice that the window cursor also sets it for the
2072children of the window implicitly.
2073
2074The {\it cursor} may be {\tt wxNullCursor} in which case the window cursor will
2075be reset back to default.
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2076
2077\wxheading{Parameters}
2078
2079\docparam{cursor}{Specifies the cursor that the window should normally display.}
2080
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2081\wxheading{See also}
2082
2083\helpref{::wxSetCursor}{wxsetcursor}, \helpref{wxCursor}{wxcursor}
2084
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2085\membersection{wxWindow::SetConstraints}\label{wxwindowsetconstraints}
2086
2087\func{void}{SetConstraints}{\param{wxLayoutConstraints* }{constraints}}
2088
2089Sets the window to have the given layout constraints. The window
2090will then own the object, and will take care of its deletion.
2091If an existing layout constraints object is already owned by the
2092window, it will be deleted.
2093
2094\wxheading{Parameters}
2095
2096\docparam{constraints}{The constraints to set. Pass NULL to disassociate and delete the window's
2097constraints.}
2098
2099\wxheading{Remarks}
2100
2101You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use
2cdac558 2102the constraints automatically in OnSize; otherwise, you must override OnSize and call Layout()
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2103explicitly. When setting both a wxLayoutConstraints and a \helpref{wxSizer}{wxsizer}, only the
2104sizer will have effect.
a660d684 2105
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2106\membersection{wxWindow::SetDropTarget}\label{wxwindowsetdroptarget}
2107
2108\func{void}{SetDropTarget}{\param{wxDropTarget*}{ target}}
2109
2110Associates a drop target with this window.
2111
2112If the window already has a drop target, it is deleted.
2113
2114\wxheading{See also}
2115
c9f00eeb 2116\helpref{wxWindow::GetDropTarget}{wxwindowgetdroptarget},
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2117\helpref{Drag and drop overview}{wxdndoverview}
2118
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2119\membersection{wxWindow::SetEventHandler}\label{wxwindowseteventhandler}
2120
2121\func{void}{SetEventHandler}{\param{wxEvtHandler* }{handler}}
2122
2123Sets the event handler for this window.
2124
2125\wxheading{Parameters}
2126
2127\docparam{handler}{Specifies the handler to be set.}
2128
2129\wxheading{Remarks}
2130
2131An event handler is an object that is capable of processing the events
2132sent to a window. By default, the window is its own event handler, but
2133an application may wish to substitute another, for example to allow
2134central implementation of event-handling for a variety of different
2135window classes.
2136
2137It is usually better to use \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} since
2138this sets up a chain of event handlers, where an event not handled by one event handler is
2139handed to the next one in the chain.
2140
2141\wxheading{See also}
2142
2143\helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp
2144\helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp
2145\helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp
2146\helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp
2147\helpref{wxEvtHandler}{wxevthandler}
2148
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2149\membersection{wxWindow::SetExtraStyle}\label{wxwindowsetextrastyle}
2150
2151\func{void}{SetExtraStyle}{\param{long }{exStyle}}
2152
2153Sets the extra style bits for the window. The currently defined extra style
2154bits are:
2155
2156\twocolwidtha{5cm}%
2157\begin{twocollist}\itemsep=0pt
2158\twocolitem{\windowstyle{wxWS\_EX\_VALIDATE\_RECURSIVELY}}{TransferDataTo/FromWindow()
2159and Validate() methods will recursively descend into all children of the
2160window if it has this style flag set.}
e4b713a2 2161\twocolitem{\windowstyle{wxWS\_EX\_BLOCK\_EVENTS}}{Normally, the command
2edb0bde 2162events are propagated upwards to the window parent recursively until a handler
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2163for them is found. Using this style allows to prevent them from being
2164propagated beyond this window. Notice that wxDialog has this style on by
be90c029 2165default for the reasons explained in the
e4b713a2 2166\helpref{event processing overview}{eventprocessing}.}
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2167\twocolitem{\windowstyle{wxWS\_EX\_TRANSIENT}}{This can be used to prevent a
2168window from being used as an implicit parent for the dialogs which were
2169created without a parent. It is useful for the windows which can disappear at
2edb0bde 2170any moment as creating children of such windows results in fatal problems.}
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2171\twocolitem{\windowstyle{wxFRAME\_EX\_CONTEXTHELP}}{Under Windows, puts a query button on the
2172caption. When pressed, Windows will go into a context-sensitive help mode and wxWindows will send
2173a wxEVT\_HELP event if the user clicked on an application window.
2174This style cannot be used together with wxMAXIMIZE\_BOX or wxMINIMIZE\_BOX, so
be90c029 2175you should use the style of
7af3ca16 2176{\tt wxDEFAULT\_FRAME\_STYLE \& \textasciitilde(wxMINIMIZE\_BOX | wxMAXIMIZE\_BOX)} for the
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2177frames having this style (the dialogs don't have minimize nor maximize box by
2178default)}
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2179\end{twocollist}
2180
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2181\membersection{wxWindow::SetFocus}\label{wxwindowsetfocus}
2182
2183\func{virtual void}{SetFocus}{\void}
2184
2185This sets the window to receive keyboard input.
2186
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2187\wxheading{See also}
2188
2189\helpref{wxFocusEvent}{wxfocusevent}
2190
2191\membersection{wxWindow::SetFocusFromKbd}\label{wxwindowsetfocusfromkbd}
2192
2193\func{virtual void}{SetFocusFromKbd}{\void}
2194
2195This function is called by wxWindows keyboard navigation code when the user
2196gives the focus to this window from keyboard (e.g. using {\tt TAB} key).
2197By default this method simply calls \helpref{SetFocus}{wxwindowsetfocus} but
2198can be overridden to do something in addition to this in the derived classes.
2199
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2200\membersection{wxWindow::SetFont}\label{wxwindowsetfont}
2201
2202\func{void}{SetFont}{\param{const wxFont\& }{font}}
2203
2204Sets the font for this window.
2205
2206\wxheading{Parameters}
2207
2208\docparam{font}{Font to associate with this window.}
2209
2210\wxheading{See also}
2211
2212\helpref{wxWindow::GetFont}{wxwindowgetfont}
2213
2214\membersection{wxWindow::SetForegroundColour}\label{wxwindowsetforegroundcolour}
2215
2216\func{virtual void}{SetForegroundColour}{\param{const wxColour\& }{colour}}
2217
2218Sets the foreground colour of the window.
2219
2220\wxheading{Parameters}
2221
2222\docparam{colour}{The colour to be used as the foreground colour.}
2223
2224\wxheading{Remarks}
2225
2226The interpretation of foreground colour is open to interpretation according
2227to the window class; it may be the text colour or other colour, or it may not
2228be used at all.
2229
6453876e 2230Note that when using this functions under GTK, you will disable the so called "themes",
2edb0bde 2231i.e. the user chosen appearance of windows and controls, including the themes of
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2232their parent windows.
2233
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2234\wxheading{See also}
2235
2236\helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
2237\helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp
2238\helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour}
2239
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2240\membersection{wxWindow::SetHelpText}\label{wxwindowsethelptext}
2241
2242\func{virtual void}{SetHelpText}{\param{const wxString\& }{helpText}}
2243
2244Sets the help text to be used as context-sensitive help for this window.
2245
2246Note that the text is actually stored by the current \helpref{wxHelpProvider}{wxhelpprovider} implementation,
2247and not in the window object itself.
2248
2249\wxheading{See also}
2250
2251\helpref{GetHelpText}{wxwindowgethelptext}, \helpref{wxHelpProvider}{wxhelpprovider}
2252
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2253\membersection{wxWindow::SetId}\label{wxwindowsetid}
2254
2255\func{void}{SetId}{\param{int}{ id}}
2256
2257Sets the identifier of the window.
2258
2259\wxheading{Remarks}
2260
2261Each window has an integer identifier. If the application has not provided one,
2262an identifier will be generated. Normally, the identifier should be provided
2263on creation and should not be modified subsequently.
2264
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2265\wxheading{See also}
2266
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2267\helpref{wxWindow::GetId}{wxwindowgetid},\rtfsp
2268\helpref{Window identifiers}{windowids}
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2269
2270\membersection{wxWindow::SetName}\label{wxwindowsetname}
2271
2272\func{virtual void}{SetName}{\param{const wxString\& }{name}}
2273
2274Sets the window's name.
2275
2276\wxheading{Parameters}
2277
2278\docparam{name}{A name to set for the window.}
2279
2280\wxheading{See also}
2281
2282\helpref{wxWindow::GetName}{wxwindowgetname}
2283
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2284\membersection{wxWindow::SetPalette}\label{wxwindowsetpalette}
2285
2286\func{virtual void}{SetPalette}{\param{wxPalette* }{palette}}
2287
2288Obsolete - use \helpref{wxDC::SetPalette}{wxdcsetpalette} instead.
2289
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2290\membersection{wxWindow::SetScrollbar}\label{wxwindowsetscrollbar}
2291
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JS
2292\func{virtual void}{SetScrollbar}{\param{int }{orientation}, \param{int }{position},\rtfsp
2293\param{int }{thumbSize}, \param{int }{range},\rtfsp
cc81d32f 2294\param{bool }{refresh = {\tt true}}}
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2295
2296Sets the scrollbar properties of a built-in scrollbar.
2297
2298\wxheading{Parameters}
2299
2300\docparam{orientation}{Determines the scrollbar whose page size is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2301
2302\docparam{position}{The position of the scrollbar in scroll units.}
2303
2304\docparam{thumbSize}{The size of the thumb, or visible portion of the scrollbar, in scroll units.}
2305
2306\docparam{range}{The maximum position of the scrollbar.}
2307
cc81d32f 2308\docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
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2309
2310\wxheading{Remarks}
2311
2312Let's say you wish to display 50 lines of text, using the same font.
2313The window is sized so that you can only see 16 lines at a time.
2314
2315You would use:
2316
2317{\small%
2318\begin{verbatim}
2319 SetScrollbar(wxVERTICAL, 0, 16, 50);
2320\end{verbatim}
2321}
2322
2323Note that with the window at this size, the thumb position can never go
2324above 50 minus 16, or 34.
2325
2326You can determine how many lines are currently visible by dividing the current view
2327size by the character height in pixels.
2328
2329When defining your own scrollbar behaviour, you will always need to recalculate
2330the scrollbar settings when the window size changes. You could therefore put your
2331scrollbar calculations and SetScrollbar
2332call into a function named AdjustScrollbars, which can be called initially and also
f4fcc291 2333from your \helpref{wxSizeEvent}{wxsizeevent} handler function.
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2334
2335\wxheading{See also}
2336
2337\helpref{Scrolling overview}{scrollingoverview},\rtfsp
2338\helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2339
2340\begin{comment}
2341\membersection{wxWindow::SetScrollPage}\label{wxwindowsetscrollpage}
2342
cc81d32f 2343\func{virtual void}{SetScrollPage}{\param{int }{orientation}, \param{int }{pageSize}, \param{bool }{refresh = {\tt true}}}
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2344
2345Sets the page size of one of the built-in scrollbars.
2346
2347\wxheading{Parameters}
2348
2349\docparam{orientation}{Determines the scrollbar whose page size is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2350
2351\docparam{pageSize}{Page size in scroll units.}
2352
cc81d32f 2353\docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
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2354
2355\wxheading{Remarks}
2356
2357The page size of a scrollbar is the number of scroll units that the scroll thumb travels when you
2358click on the area above/left of or below/right of the thumb. Normally you will want a whole visible
2359page to be scrolled, i.e. the size of the current view (perhaps the window client size). This
2360value has to be adjusted when the window is resized, since the page size will have changed.
2361
2362In addition to specifying how far the scroll thumb travels when paging, in Motif and some versions of Windows
2363the thumb changes size to reflect the page size relative to the length of the document. When the
2364document size is only slightly bigger than the current view (window) size, almost all of the scrollbar
2365will be taken up by the thumb. When the two values become the same, the scrollbar will (on some systems)
2366disappear.
2367
2368Currently, this function should be called before SetPageRange, because of a quirk in the Windows
2369handling of pages and ranges.
2370
2371\wxheading{See also}
2372
2373\helpref{wxWindow::SetScrollPos}{wxwindowsetscrollpos},\rtfsp
a660d684 2374\helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
f7bd2698 2375\helpref{wxWindow::GetScrollPage}{wxwindowsetscrollpage},\rtfsp
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2376\helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2377\end{comment}
2378
2379\membersection{wxWindow::SetScrollPos}\label{wxwindowsetscrollpos}
2380
cc81d32f 2381\func{virtual void}{SetScrollPos}{\param{int }{orientation}, \param{int }{pos}, \param{bool }{refresh = {\tt true}}}
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2382
2383Sets the position of one of the built-in scrollbars.
2384
2385\wxheading{Parameters}
2386
2387\docparam{orientation}{Determines the scrollbar whose position is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2388
2389\docparam{pos}{Position in scroll units.}
2390
cc81d32f 2391\docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
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2392
2393\wxheading{Remarks}
2394
2395This function does not directly affect the contents of the window: it is up to the
2396application to take note of scrollbar attributes and redraw contents accordingly.
2397
2398\wxheading{See also}
2399
2400\helpref{wxWindow::SetScrollbar}{wxwindowsetscrollbar},\rtfsp
2401\helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
f7bd2698 2402\helpref{wxWindow::GetScrollThumb}{wxwindowgetscrollthumb},\rtfsp
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2403\helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2404
2405\begin{comment}
2406\membersection{wxWindow::SetScrollRange}\label{wxwindowsetscrollrange}
2407
cc81d32f 2408\func{virtual void}{SetScrollRange}{\param{int }{orientation}, \param{int }{range}, \param{bool }{refresh = {\tt true}}}
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2409
2410Sets the range of one of the built-in scrollbars.
2411
2412\wxheading{Parameters}
2413
2414\docparam{orientation}{Determines the scrollbar whose range is to be set. May be wxHORIZONTAL or wxVERTICAL.}
2415
2416\docparam{range}{Scroll range.}
2417
cc81d32f 2418\docparam{refresh}{{\tt true} to redraw the scrollbar, {\tt false} otherwise.}
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2419
2420\wxheading{Remarks}
2421
2422The range of a scrollbar is the number of steps that the thumb may travel, rather than the total
fe604ccd
JS
2423object length of the scrollbar. If you are implementing a scrolling window, for example, you
2424would adjust the scroll range when the window is resized, by subtracting the window view size from the
2425total virtual window size. When the two sizes are the same (all the window is visible), the range goes to zero
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2426and usually the scrollbar will be automatically hidden.
2427
2428\wxheading{See also}
2429
2430\helpref{wxWindow::SetScrollPos}{wxwindowsetscrollpos},\rtfsp
2431\helpref{wxWindow::SetScrollPage}{wxwindowsetscrollpage},\rtfsp
2432\helpref{wxWindow::GetScrollPos}{wxwindowsetscrollpos},\rtfsp
f7bd2698 2433\helpref{wxWindow::GetScrollPage}{wxwindowsetscrollpage},\rtfsp
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2434\helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow}
2435\end{comment}
2436
2437\membersection{wxWindow::SetSize}\label{wxwindowsetsize}
2438
eaaa6a06
JS
2439\func{virtual void}{SetSize}{\param{int}{ x}, \param{int}{ y}, \param{int}{ width}, \param{int}{ height},
2440 \param{int}{ sizeFlags = wxSIZE\_AUTO}}
a660d684 2441
a974387a
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2442\func{virtual void}{SetSize}{\param{const wxRect\&}{ rect}}
2443
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2444Sets the size and position of the window in pixels.
2445
eaaa6a06 2446\func{virtual void}{SetSize}{\param{int}{ width}, \param{int}{ height}}
a660d684 2447
a974387a
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2448\func{virtual void}{SetSize}{\param{const wxSize\&}{ size}}
2449
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2450Sets the size of the window in pixels.
2451
2452\wxheading{Parameters}
2453
2454\docparam{x}{Required x position in pixels, or -1 to indicate that the existing
2455value should be used.}
2456
2457\docparam{y}{Required y position in pixels, or -1 to indicate that the existing
2458value should be used.}
2459
2460\docparam{width}{Required width in pixels, or -1 to indicate that the existing
2461value should be used.}
2462
2463\docparam{height}{Required height position in pixels, or -1 to indicate that the existing
2464value should be used.}
2465
a974387a
JS
2466\docparam{size}{\helpref{wxSize}{wxsize} object for setting the size.}
2467
2468\docparam{rect}{\helpref{wxRect}{wxrect} object for setting the position and size.}
2469
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2470\docparam{sizeFlags}{Indicates the interpretation of other parameters. It is a bit list of the following:
2471
2472{\bf wxSIZE\_AUTO\_WIDTH}: a -1 width value is taken to indicate
2473a wxWindows-supplied default width.\\
2474{\bf wxSIZE\_AUTO\_HEIGHT}: a -1 height value is taken to indicate
2475a wxWindows-supplied default width.\\
2476{\bf wxSIZE\_AUTO}: -1 size values are taken to indicate
2477a wxWindows-supplied default size.\\
2478{\bf wxSIZE\_USE\_EXISTING}: existing dimensions should be used
2479if -1 values are supplied.\\
2480{\bf wxSIZE\_ALLOW\_MINUS\_ONE}: allow dimensions of -1 and less to be interpreted
2481as real dimensions, not default values.
2482}
2483
2484\wxheading{Remarks}
2485
2486The second form is a convenience for calling the first form with default
2487x and y parameters, and must be used with non-default width and height values.
2488
2489The first form sets the position and optionally size, of the window.
2490Parameters may be -1 to indicate either that a default should be supplied
2491by wxWindows, or that the current value of the dimension should be used.
2492
2493\wxheading{See also}
2494
2495\helpref{wxWindow::Move}{wxwindowmove}
2496
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2497\pythonnote{In place of a single overloaded method name, wxPython
2498implements the following methods:\par
2499\indented{2cm}{\begin{twocollist}
c9110876
VS
2500\twocolitem{{\bf SetDimensions(x, y, width, height, sizeFlags=wxSIZE\_AUTO)}}{}
2501\twocolitem{{\bf SetSize(size)}}{}
2502\twocolitem{{\bf SetPosition(point)}}{}
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2503\end{twocollist}}
2504}
2505
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2506\membersection{wxWindow::SetSizeHints}\label{wxwindowsetsizehints}
2507
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JS
2508\func{virtual void}{SetSizeHints}{\param{int}{ minW=-1}, \param{int}{ minH=-1}, \param{int}{ maxW=-1}, \param{int}{ maxH=-1},
2509 \param{int}{ incW=-1}, \param{int}{ incH=-1}}
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2510
2511Allows specification of minimum and maximum window sizes, and window size increments.
2512If a pair of values is not set (or set to -1), the default values will be used.
2513
2514\wxheading{Parameters}
2515
2516\docparam{minW}{Specifies the minimum width allowable.}
2517
2518\docparam{minH}{Specifies the minimum height allowable.}
2519
2520\docparam{maxW}{Specifies the maximum width allowable.}
2521
2522\docparam{maxH}{Specifies the maximum height allowable.}
2523
2524\docparam{incW}{Specifies the increment for sizing the width (Motif/Xt only).}
2525
2526\docparam{incH}{Specifies the increment for sizing the height (Motif/Xt only).}
2527
2528\wxheading{Remarks}
2529
2530If this function is called, the user will not be able to size the window outside the
2531given bounds.
2532
2533The resizing increments are only significant under Motif or Xt.
2534
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2535\membersection{wxWindow::SetSizer}\label{wxwindowsetsizer}
2536
cc81d32f 2537\func{void}{SetSizer}{\param{wxSizer* }{sizer}, \param{bool }{deleteOld=true}}
515da557
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2538
2539Sets the window to have the given layout sizer. The window
2540will then own the object, and will take care of its deletion.
2541If an existing layout constraints object is already owned by the
cc81d32f 2542window, it will be deleted if the deleteOld parameter is true.
515da557 2543
e5251d4f 2544Note that this function will also call
cc81d32f
VS
2545\helpref{SetAutoLayout}{wxwindowsetautolayout} implicitly with {\tt true}
2546parameter if the {\it sizer}\/ is non-NULL and {\tt false} otherwise.
e5251d4f 2547
515da557
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2548\wxheading{Parameters}
2549
3aa5d532
RL
2550\docparam{sizer}{The sizer to set. Pass NULL to disassociate and conditionally delete
2551the window's sizer. See below.}
2552
cc81d32f
VS
2553\docparam{deleteOld}{If true (the default), this will delete any prexisting sizer.
2554Pass false if you wish to handle deleting the old sizer yourself.}
515da557
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2555
2556\wxheading{Remarks}
2557
566d84a7
RL
2558SetSizer now enables and disables Layout automatically, but prior to wxWindows 2.3.3
2559the following applied:
2560
515da557 2561You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use
2cdac558
RD
2562the sizer automatically in OnSize; otherwise, you must override OnSize and call Layout()
2563explicitly. When setting both a wxSizer and a \helpref{wxLayoutConstraints}{wxlayoutconstraints},
515da557
RR
2564only the sizer will have effect.
2565
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RL
2566\membersection{wxWindow::SetSizerAndFit}\label{wxwindowsetsizerandfit}
2567
cc81d32f 2568\func{void}{SetSizerAndFit}{\param{wxSizer* }{sizer}, \param{bool }{deleteOld=true}}
566d84a7
RL
2569
2570The same as \helpref{SetSizer}{wxwindowsetsizer}, except it also sets the size hints
2571for the window based on the sizer's minimum size.
2572
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2573\membersection{wxWindow::SetTitle}\label{wxwindowsettitle}
2574
2575\func{virtual void}{SetTitle}{\param{const wxString\& }{title}}
2576
2577Sets the window's title. Applicable only to frames and dialogs.
2578
2579\wxheading{Parameters}
2580
2581\docparam{title}{The window's title.}
2582
2583\wxheading{See also}
2584
2585\helpref{wxWindow::GetTitle}{wxwindowgettitle}
2586
f89a1397
RR
2587\membersection{wxWindow::SetThemeEnabled}\label{wxwindowsetthemeenabled}
2588
2589\func{virtual void}{SetThemeEnabled}{\param{bool }{enable}}
2590
2591This function tells a window if it should use the system's "theme" code
2592to draw the windows' background instead if its own background drawing
2593code. This does not always have any effect since the underlying platform
2594obviously needs to support the notion of themes in user defined windows.
2595One such platform is GTK+ where windows can have (very colourful) backgrounds
2596defined by a user's selected theme.
2597
cc81d32f 2598Dialogs, notebook pages and the status bar have this flag set to true
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2599by default so that the default look and feel is simulated best.
2600
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2601\membersection{wxWindow::SetValidator}\label{wxwindowsetvalidator}
2602
2603\func{virtual void}{SetValidator}{\param{const wxValidator\&}{ validator}}
2604
2605Deletes the current validator (if any) and sets the window validator, having called wxValidator::Clone to
2606create a new validator of this type.
2607
f6bcfd97
BP
2608\membersection{wxWindow::SetToolTip}\label{wxwindowsettooltip}
2609
2610\func{void}{SetToolTip}{\param{const wxString\& }{tip}}
2611
2612\func{void}{SetToolTip}{\param{wxToolTip* }{tip}}
2613
c9f00eeb 2614Attach a tooltip to the window.
f6bcfd97 2615
c9f00eeb 2616See also: \helpref{GetToolTip}{wxwindowgettooltip},
8161ba08 2617 \helpref{wxToolTip}{wxtooltip}
f6bcfd97 2618
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RL
2619\membersection{wxWindow::SetVirtualSize}\label{wxwindowsetvirtualsize}
2620
2621\func{void}{SetVirtualSize}{\param{int}{ width}, \param{int}{ height}}
2622
2623\func{void}{SetVirtualSize}{\param{const wxSize\&}{ size}}
2624
2625Sets the virtual size of the window in pixels.
2626
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RL
2627\membersection{wxWindow::SetVirtualSizeHints}\label{wxwindowsetvirtualsizehints}
2628
2629\func{virtual void}{SetVirtualSizeHints}{\param{int}{ minW},\param{int}{ minH}, \param{int}{ maxW=-1}, \param{int}{ maxH=-1}}
2630
2631Allows specification of minimum and maximum virtual window sizes.
2632If a pair of values is not set (or set to -1), the default values
2633will be used.
2634
2635\wxheading{Parameters}
2636
2637\docparam{minW}{Specifies the minimum width allowable.}
2638
2639\docparam{minH}{Specifies the minimum height allowable.}
2640
2641\docparam{maxW}{Specifies the maximum width allowable.}
2642
2643\docparam{maxH}{Specifies the maximum height allowable.}
2644
2645\wxheading{Remarks}
2646
2647If this function is called, the user will not be able to size the virtual area
2648of the window outside the given bounds.
f6bcfd97 2649
d80cd92a
VZ
2650\membersection{wxWindow::SetWindowStyle}\label{wxwindowsetwindowstyle}
2651
2652\func{void}{SetWindowStyle}{\param{long}{ style}}
2653
2654Identical to \helpref{SetWindowStyleFlag}{wxwindowsetwindowstyleflag}.
2655
2656\membersection{wxWindow::SetWindowStyleFlag}\label{wxwindowsetwindowstyleflag}
2657
2658\func{virtual void}{SetWindowStyleFlag}{\param{long}{ style}}
2659
2660Sets the style of the window. Please note that some styles cannot be changed
2661after the window creation and that \helpref{Refresh()}{wxwindowrefresh} might
2662be called after changing the others for the change to take place immediately.
2663
b2cf617c 2664See \helpref{Window styles}{windowstyles} for more information about flags.
d80cd92a
VZ
2665
2666\wxheading{See also}
2667
2668\helpref{GetWindowStyleFlag}{wxwindowgetwindowstyleflag}
2669
aeab10d0 2670\membersection{wxWindow::Show}\label{wxwindowshow}
a660d684 2671
cc81d32f 2672\func{virtual bool}{Show}{\param{bool}{ show = {\tt true}}}
a660d684 2673
be90c029 2674Shows or hides the window. You may need to call \helpref{Raise}{wxwindowraise}
b59893f3
VZ
2675for a top level window if you want to bring it to top, although this is not
2676needed if Show() is called immediately after the frame creation.
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2677
2678\wxheading{Parameters}
2679
cc81d32f 2680\docparam{show}{If {\tt true} displays the window. Otherwise, hides it.}
bc5879ef
VZ
2681
2682\wxheading{Return value}
2683
cc81d32f 2684{\tt true} if the window has been shown or hidden or {\tt false} if nothing was
bc5879ef 2685done because it already was in the requested state.
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2686
2687\wxheading{See also}
2688
2689\helpref{wxWindow::IsShown}{wxwindowisshown}
2690
0cc7251e
VZ
2691\membersection{wxWindow::Thaw}\label{wxwindowthaw}
2692
2693\func{virtual void}{Thaw}{\void}
2694
be90c029 2695Reenables window updating after a previous call to
0cc7251e
VZ
2696\helpref{Freeze}{wxwindowfreeze}.
2697
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2698\membersection{wxWindow::TransferDataFromWindow}\label{wxwindowtransferdatafromwindow}
2699
2700\func{virtual bool}{TransferDataFromWindow}{\void}
2701
2702Transfers values from child controls to data areas specified by their validators. Returns
cc81d32f 2703{\tt false} if a transfer failed.
a660d684 2704
d80cd92a
VZ
2705If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2706the method will also call TransferDataFromWindow() of all child windows.
2707
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2708\wxheading{See also}
2709
2710\helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow},\rtfsp
2711\helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::Validate}{wxwindowvalidate}
2712
2713\membersection{wxWindow::TransferDataToWindow}\label{wxwindowtransferdatatowindow}
2714
2715\func{virtual bool}{TransferDataToWindow}{\void}
2716
2717Transfers values to child controls from data areas specified by their validators.
2718
d80cd92a
VZ
2719If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2720the method will also call TransferDataToWindow() of all child windows.
2721
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2722\wxheading{Return value}
2723
cc81d32f 2724Returns {\tt false} if a transfer failed.
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2725
2726\wxheading{See also}
2727
2728\helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2729\helpref{wxValidator}{wxvalidator}, \helpref{wxWindow::Validate}{wxwindowvalidate}
2730
2b5f62a0
VZ
2731\membersection{wxWindow::Update}\label{wxwindowupdate}
2732
2733\func{virtual void}{Update}{\void}
2734
2735Calling this method immediately repaints the invalidated area of the window
2736while this would usually only happen when the flow of control returns to the
2737event loop. Notice that this function doesn't refresh the window and does
2738nothing if the window hadn't been already repainted. Use
2739\helpref{Refresh}{wxwindowrefresh} first if you want to immediately redraw the
2740window unconditionally.
2741
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2742\membersection{wxWindow::Validate}\label{wxwindowvalidate}
2743
2744\func{virtual bool}{Validate}{\void}
2745
2746Validates the current values of the child controls using their validators.
2747
d80cd92a
VZ
2748If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set,
2749the method will also call Validate() of all child windows.
2750
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2751\wxheading{Return value}
2752
cc81d32f 2753Returns {\tt false} if any of the validations failed.
a660d684
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2754
2755\wxheading{See also}
2756
2757\helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2758\helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow},\rtfsp
2759\helpref{wxValidator}{wxvalidator}
2760
2761\membersection{wxWindow::WarpPointer}\label{wxwindowwarppointer}
2762
2763\func{void}{WarpPointer}{\param{int}{ x}, \param{int}{ y}}
2764
2765Moves the pointer to the given position on the window.
2766
6faf4b5f
VZ
2767{\bf NB: } This function is not supported under Mac because Apple Human
2768Interface Guidelines forbid moving the mouse cursor programmatically.
2769
a660d684
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2770\wxheading{Parameters}
2771
2772\docparam{x}{The new x position for the cursor.}
2773
2774\docparam{y}{The new y position for the cursor.}
2775