<wx/window.h>
+\wxheading{Library}
+
+\helpref{wxCore}{librarieslist}
+
\wxheading{Window styles}
The following styles can apply to all windows, although they will not always make sense for a particular
the window wants to get all char/key events for all keys - even for
keys like TAB or ENTER which are usually used for dialog navigation
and which wouldn't be generated without this style. If you need to
-use this style in order to get the arrows or etc., but would still like to have
-normal keyboard navigation take place, you should create and send a
-wxNavigationKeyEvent in response to the key events for Tab and
-Shift-Tab.}
+use this style in order to get the arrows or etc., but would still like
+to have normal keyboard navigation take place, you should call
+\helpref{Navigate}{wxwindownavigate} in response to the key events for
+Tab and Shift-Tab.}
\twocolitem{\windowstyle{wxNO\_FULL\_REPAINT\_ON\_RESIZE}}{On Windows, this style used to disable repainting
the window completely when its size is changed. Since this behaviour is now the default, the style is now obsolete
and no longer has an effect.}
-\twocolitem{\windowstyle{wxVSCROLL}}{Use this style to enable a vertical scrollbar.}
-\twocolitem{\windowstyle{wxHSCROLL}}{Use this style to enable a horizontal scrollbar.}
+\twocolitem{\windowstyle{wxVSCROLL}}{Use this style to enable a vertical
+scrollbar. Notice that this style cannot be used with native controls
+which don't support scrollbars nor with top-level windows in most ports.}
+\twocolitem{\windowstyle{wxHSCROLL}}{Use this style to enable a horizontal
+scrollbar. The same limitations as for wxVSCROLL apply to this style.}
\twocolitem{\windowstyle{wxALWAYS\_SHOW\_SB}}{If a window has scrollbars,
disable them instead of hiding them when they are not needed (i.e. when the
size of the window is big enough to not require the scrollbars to navigate it).
-This style is currently only implemented for wxMSW and wxUniversal and does
+This style is currently implemented for wxMSW, wxGTK and wxUniversal and does
nothing on the other platforms.}
\twocolitem{\windowstyle{wxCLIP\_CHILDREN}}{Use this style to eliminate flicker caused by the background being
repainted, then children being painted over them. Windows only.}
\wxheading{See also}
-\helpref{Event handling overview}{eventhandlingoverview}
+\helpref{Event handling overview}{eventhandlingoverview}\\
+\helpref{Window sizing overview}{windowsizingoverview}
\latexignore{\rtfignore{\wxheading{Members}}}
\helpref{wxCloseEvent}{wxcloseevent}
+\membersection{wxWindow::AcceptsFocus}\label{wxwindowacceptsfocus}
+
+\constfunc{bool}{AcceptsFocus}{\void}
+
+This method may be overridden in the derived classes to return \false to
+indicate that this control doesn't accept input at all (i.e. behaves like e.g.
+\helpref{wxStaticText}{wxstatictext}) and so doesn't need focus.
+
+\wxheading{See also}
+
+\helpref{AcceptsFocusFromKeyboard}{wxwindowacceptsfocusfromkeyboard}
+
+
+\membersection{wxWindow::AcceptsFocusFromKeyboard}\label{wxwindowacceptsfocusfromkeyboard}
+
+\constfunc{bool}{AcceptsFocusFromKeyboard}{\void}
+
+This method may be overridden in the derived classes to return \false to
+indicate that while this control can, in principle, have focus if the user
+clicks it with the mouse, it shouldn't be included in the TAB traversal chain
+when using the keyboard.
+
+
\membersection{wxWindow::AddChild}\label{wxwindowaddchild}
\func{virtual void}{AddChild}{\param{wxWindow* }{child}}
\func{virtual void}{Fit}{\void}
Sizes the window so that it fits around its subwindows. This function won't do
-anything if there are no subwindows and will only really work correctly if the
+anything if there are no subwindows and will only really work correctly if
sizers are used for the subwindows layout. Also, if the window has exactly one
subwindow it is better (faster and the result is more precise as Fit adds some
margin to account for fuzziness of its calculations) to call
\constfunc{wxSize}{GetAdjustedBestSize}{\void}
-This method is similar to \helpref{GetBestSize}{wxwindowgetbestsize}, except
-in one thing. GetBestSize should return the minimum untruncated size of the
-window, while this method will return the largest of BestSize and any user
-specified minimum size. ie. it is the minimum size the window should currently
-be drawn at, not the minimal size it can possibly tolerate.
+This method is deprecated, use \helpref{GetEffectiveMinSize}{wxwindowgeteffectiveminsize}
+instead.
\membersection{wxWindow::GetBackgroundColour}\label{wxwindowgetbackgroundcolour}
\helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp
\helpref{wxWindow::SetBackgroundStyle}{wxwindowsetbackgroundstyle}
-\membersection{wxWindow::GetBestFittingSize}\label{wxwindowgetbestfittingsize}
+\membersection{wxWindow::GetEffectiveMinSize}\label{wxwindowgeteffectiveminsize}
-\constfunc{wxSize}{GetBestFittingSize}{\void}
+\constfunc{wxSize}{GetEffectiveMinSize}{\void}
-Merges the window's best size into the min size and returns the result.
+Merges the window's best size into the min size and returns the
+result. This is the value used by sizers to determine the appropriate
+ammount of sapce to allocate for the widget.
\wxheading{See also}
\helpref{wxWindow::GetBestSize}{wxwindowgetbestsize},\rtfsp
-\helpref{wxWindow::SetBestFittingSize}{wxwindowsetbestfittingsize},\rtfsp
-\helpref{wxWindow::SetSizeHints}{wxwindowsetsizehints}
+\helpref{wxWindow::SetInitialSize}{wxwindowsetinitialsize}
\membersection{wxWindow::GetBestSize}\label{wxwindowgetbestsize}
\constfunc{wxSize}{GetClientSize}{\void}
-This gets the size of the window `client area' in pixels.
-The client area is the area which may be drawn on by the programmer,
-excluding title bar, border, scrollbars, etc.
+Returns the size of the window `client area' in pixels. The client area is the
+area which may be drawn on by the programmer, excluding title bar, border,
+scrollbars, etc.
+
+Note that if this window is a top-level one and it is currently minimized, the
+return size is empty (both width and height are $0$).
\wxheading{Parameters}
\constfunc{wxSize}{GetMaxSize}{\void}
Returns the maximum size of the window, an indication to the sizer layout mechanism
-that this is the maximum possible size.
+that this is the maximum possible size.
\membersection{wxWindow::GetMinSize}\label{wxwindowgetminsize}
-\constfunc{wxSize}{GetMinSize}{\void}
+\constfunc{virtual wxSize}{GetMinSize}{\void}
Returns the minimum size of the window, an indication to the sizer layout mechanism
-that this is the minimum required size.
+that this is the minimum required size. It normally just returns the value set
+by \helpref{SetMinSize}{wxwindowsetminsize}, but it can be overridden to do the
+calculation on demand.
\membersection{wxWindow::GetName}\label{wxwindowgetname}
\constfunc{virtual wxRect}{GetRect}{\void}
-Returns the size and position of the window as a \helpref{wxRect}{wxrect} object.
+Returns the position and size of the window as a \helpref{wxRect}{wxrect} object.
\wxheading{See also}
\constfunc{virtual wxRect}{GetScreenRect}{\void}
-Returns the size and position of the window on the screen as a
+Returns the position and size of the window on the screen as a
\helpref{wxRect}{wxrect} object.
\wxheading{See also}
\constfunc{wxSize}{GetSize}{\void}
-This gets the size of the entire window in pixels,
-including title bar, border, scrollbars, etc.
+Returns the size of the entire window in pixels, including title bar, border,
+scrollbars, etc.
+
+Note that if this window is a top-level one and it is currently minimized, the
+returned size is the restored window size, not the size of the window icon.
\wxheading{Parameters}
\membersection{wxWindow::GetTextExtent}\label{wxwindowgettextextent}
-\constfunc{virtual void}{GetTextExtent}{\param{const wxString\& }{string}, \param{int* }{x}, \param{int* }{y},
+\constfunc{virtual void}{GetTextExtent}{\param{const wxString\& }{string}, \param{int* }{w}, \param{int* }{h},
\param{int* }{descent = NULL}, \param{int* }{externalLeading = NULL},
\param{const wxFont* }{font = NULL}, \param{bool}{ use16 = {\tt false}}}
+\constfunc{wxSize}{GetTextExtent}{\param{const wxString\& }{string}}
+
Gets the dimensions of the string as it would be drawn on the
window with the currently selected font.
+The text extent is returned in \arg{w} and \arg{h} pointers (first form) or as a
+\helpref{wxSize}{wxsize} object (second form).
+
\wxheading{Parameters}
\docparam{string}{String whose extent is to be measured.}
-\docparam{x}{Return value for width.}
+\docparam{w}{Return value for width.}
-\docparam{y}{Return value for height.}
+\docparam{h}{Return value for height.}
\docparam{descent}{Return value for descent (optional).}
\helpref{GetClientSize}{wxwindowgetclientsize}
+\membersection{wxWindow::GetWindowBorderSize}\label{wxwindowgetwindowbordersize}
+
+\constfunc{wxSize}{GetWindowBorderSize}{\void}
+
+Returns the size of the left/right and top/bottom borders of this window in x
+and y components of the result respectively.
+
+
\membersection{wxWindow::GetWindowStyleFlag}\label{wxwindowgetwindowstyleflag}
\constfunc{long}{GetWindowStyleFlag}{\void}
\helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent}
+\membersection{wxWindow::HasExtraStyle}\label{wxwindowhasextrastyle}
+
+\constfunc{bool}{HasExtraStyle}{\param{int }{exFlag}}
+
+Returns \texttt{true} if the window has the given \arg{exFlag} bit set in its
+extra styles.
+
+\wxheading{See also}
+
+\helpref{SetExtraStyle}{wxwindowsetextrastyle}
+
+
\membersection{wxWindow::HasFlag}\label{wxwindowhasflag}
\constfunc{bool}{HasFlag}{\param{int }{flag}}
Resets the cached best size value so it will be recalculated the next time it is needed.
+\membersection{wxWindow::IsDoubleBuffered}\label{wxwindowisdoublebuffered}
+
+\constfunc{virtual bool}{IsDoubleBuffered}{\void}
+
+Returns \true if the window contents is double-buffered by the system, i.e. if
+any drawing done on the window is really done on a temporary backing surface
+and transferred to the screen all at once later.
+
+\wxheading{See also}
+
+\helpref{wxBufferedDC}{wxbuffereddc}
+
+
\membersection{wxWindow::IsEnabled}\label{wxwindowisenabled}
\constfunc{virtual bool}{IsEnabled}{\void}
-Returns {\tt true} if the window is enabled for input, {\tt false} otherwise.
+Returns \true if the window is enabled, i.e. if it accepts user input, \false
+otherwise.
+
+Notice that this method can return \false even if this window itself hadn't
+been explicitly disabled when one of its parent windows is disabled. To get the
+intrinsic status of this window, use
+\helpref{IsThisEnabled}{wxwindowisthisenabled}
\wxheading{See also}
\end{twocollist}}}
+\membersection{wxWindow::IsFrozen}\label{wxwindowisfrozen}
+
+\constfunc{virtual bool}{IsFrozen}{\void}
+
+Returns \true if the window is currently frozen by a call to
+\helpref{Freeze()}{wxwindowfreeze}.
+
+\wxheading{See also}
+
+\helpref{Thaw()}{wxwindowthaw}
+
+
\membersection{wxWindow::IsRetained}\label{wxwindowisretained}
\constfunc{virtual bool}{IsRetained}{\void}
Returns {\tt true} if the window is shown, {\tt false} if it has been hidden.
+\wxheading{See also}
+
+\helpref{wxWindow::IsShownOnScreen}{wxwindowisshownonscreen}
+
+
+\membersection{wxWindow::IsShownOnScreen}\label{wxwindowisshownonscreen}
+
+\constfunc{virtual bool}{IsShownOnScreen}{\void}
+
+Returns {\tt true} if the window is physically visible on the screen, i.e. it
+is shown and all its parents up to the toplevel window are shown as well.
+
+\wxheading{See also}
+
+\helpref{wxWindow::IsShown}{wxwindowisshown}
+
+
+\membersection{wxWindow::IsThisEnabled}\label{wxwindowisthisenabled}
+
+\constfunc{bool}{IsThisEnabled}{\void}
+
+Returns \true if this window is intrinsically enabled, \false otherwise, i.e.
+if \helpref{Enable(false)}{wxwindowenable} had been called. This method is
+mostly used for wxWidgets itself, user code should normally use
+\helpref{IsEnabled}{wxwindowisenabled} instead.
+
\membersection{wxWindow::IsTopLevel}\label{wxwindowistoplevel}
\func{bool}{Navigate}{\param{int}{ flags = wxNavigationKeyEvent::IsForward}}
-Does keyboard navigation from this window to another, by sending
-a wxNavigationKeyEvent.
+Performs a keyboard navigation action starting from this window. This method is
+equivalent to calling \helpref{NavigateIn()}{wxwindownavigatein} method on the
+parent window.
\wxheading{Parameters}
\docparam{flags}{A combination of wxNavigationKeyEvent::IsForward and wxNavigationKeyEvent::WinChange.}
+\wxheading{Return value}
+
+Returns \true if the focus was moved to another window or \false if nothing
+changed.
+
\wxheading{Remarks}
You may wish to call this from a text control custom keypress handler to do the default
a multiline text control with the wxTE\_PROCESS\_TAB style is to insert a tab
and not navigate to the next control.
+
+\membersection{wxWindow::NavigateIn}\label{wxwindownavigatein}
+
+\func{bool}{NavigateIn}{\param{int}{ flags = wxNavigationKeyEvent::IsForward}}
+
+Performs a keyboard navigation action inside this window.
+
+See \helpref{Navigate}{wxwindownavigate} for more information.
+
+
+\membersection{wxWindow::NextControlId}\label{wxwindownextcontrolid}
+
+\func{static int}{NextControlId}{\param{int }{winid}}
+
+If two controls are created consecutively using \texttt{wxID\_ANY} id, this
+function allows to retrieve the effective id of the latter control from the id
+of the former. This is useful for example to find the control following its
+\helpref{wxStaticText}{wxstatictext} label if only the id of or pointer to the
+label is available to the caller but it is known that the two controls were
+created together.
+
+\wxheading{See also}
+
+\helpref{PrevControlId}{wxwindowprevcontrolid}
+
+
%% VZ: wxWindow::OnXXX() functions should not be documented but I'm leaving
%% the old docs here in case we want to move any still needed bits to
%% the right location (i.e. probably the corresponding events docs)
}
+\membersection{wxWindow::PrevControlId}\label{wxwindowprevcontrolid}
+
+\func{static int}{PrevControlId}{\param{int }{winid}}
+
+This is similar to \helpref{NextControlId}{wxwindownextcontrolid} but returns
+the id of the control created just before the one with the given \arg{winid}.
+
+
\membersection{wxWindow::PushEventHandler}\label{wxwindowpusheventhandler}
\func{void}{PushEventHandler}{\param{wxEvtHandler* }{handler}}
\helpref{wxWindow::GetBackgroundStyle}{wxwindowgetbackgroundstyle}
-\membersection{wxWindow::SetBestFittingSize}\label{wxwindowsetbestfittingsize}
+\membersection{wxWindow::SetInitialSize}\label{wxwindowsetinitialsize}
-\func{void}{SetBestFittingSize}{\param{const wxSize\& }{size = wxDefaultSize}}
+\func{void}{SetInitialSize}{\param{const wxSize\& }{size = wxDefaultSize}}
A {\it smart} SetSize that will fill in default size components with the
window's {\it best} size values. Also sets the window's minsize to
size instead of the results of GetBestSize to determine the minimum
needs of the window for layout.
+Most controls will use this to set their initial size, and their min
+size to the passed in value (if any.)
+
+
\wxheading{See also}
\helpref{wxWindow::SetSize}{wxwindowsetsize},\rtfsp
\helpref{wxWindow::GetBestSize}{wxwindowgetbestsize},\rtfsp
-\helpref{wxWindow::GetBestFittingSize}{wxwindowgetbestfittingsize},\rtfsp
-\helpref{wxWindow::SetSizeHints}{wxwindowsetsizehints}
+\helpref{wxWindow::GetEffectiveMinSize}{wxwindowgeteffectiveminsize}
\membersection{wxWindow::SetCaret}\label{wxwindowsetcaret}
window from being used as an implicit parent for the dialogs which were
created without a parent. It is useful for the windows which can disappear at
any moment as creating children of such windows results in fatal problems.}
-\twocolitem{\windowstyle{wxFRAME\_EX\_CONTEXTHELP}}{Under Windows, puts a query button on the
-caption. When pressed, Windows will go into a context-sensitive help mode and wxWidgets will send
-a wxEVT\_HELP event if the user clicked on an application window.
+\twocolitem{\windowstyle{wxWS\_EX\_CONTEXTHELP}}{Under Windows, puts a query
+button on the caption. When pressed, Windows will go into a context-sensitive
+help mode and wxWidgets will send a wxEVT\_HELP event if the user clicked on an
+application window.
This style cannot be used together with wxMAXIMIZE\_BOX or wxMINIMIZE\_BOX, so
-you should use the style of
-{\tt wxDEFAULT\_FRAME\_STYLE \& \textasciitilde(wxMINIMIZE\_BOX | wxMAXIMIZE\_BOX)} for the
-frames having this style (the dialogs don't have minimize nor maximize box by
-default)}
+these two styles are automatically turned of if this one is used.}
\twocolitem{\windowstyle{wxWS\_EX\_PROCESS\_IDLE}}{This window should always process idle events, even
if the mode set by \helpref{wxIdleEvent::SetMode}{wxidleeventsetmode} is wxIDLE\_PROCESS\_SPECIFIED.}
\twocolitem{\windowstyle{wxWS\_EX\_PROCESS\_UI\_UPDATES}}{This window should always process UI update events,
\membersection{wxWindow::SetFont}\label{wxwindowsetfont}
-\func{void}{SetFont}{\param{const wxFont\& }{font}}
+\func{bool}{SetFont}{\param{const wxFont\& }{font}}
Sets the font for this window. This function should not be called for the
parent window if you don't want its font to be inherited by its children,
\docparam{font}{Font to associate with this window, pass
{\tt wxNullFont} to reset to the default font.}
+\wxheading{Return value}
+
+\true if the want was really changed, \false if it was already set to this
+\arg{font} and so nothing was done.
+
\wxheading{See also}
\helpref{wxWindow::GetFont}{wxwindowgetfont},\\
\func{virtual void}{SetSize}{\param{const wxRect\&}{ rect}}
-Sets the size and position of the window in pixels.
+Sets the position and size of the window in pixels.
\func{virtual void}{SetSize}{\param{int}{ width}, \param{int}{ height}}
\membersection{wxWindow::SetSizeHints}\label{wxwindowsetsizehints}
-\func{virtual void}{SetSizeHints}{\param{int}{ minW}, \param{int}{ minH}, \param{int}{ maxW=-1}, \param{int}{ maxH=-1},
- \param{int}{ incW=-1}, \param{int}{ incH=-1}}
-
-\func{void}{SetSizeHints}{\param{const wxSize\&}{ minSize},
-\param{const wxSize\&}{ maxSize=wxDefaultSize}, \param{const wxSize\&}{ incSize=wxDefaultSize}}
-
-
-Allows specification of minimum and maximum window sizes, and window size increments.
-If a pair of values is not set (or set to -1), the default values will be used.
-
-\wxheading{Parameters}
-
-\docparam{minW}{Specifies the minimum width allowable.}
-
-\docparam{minH}{Specifies the minimum height allowable.}
-
-\docparam{maxW}{Specifies the maximum width allowable.}
-
-\docparam{maxH}{Specifies the maximum height allowable.}
-
-\docparam{incW}{Specifies the increment for sizing the width (Motif/Xt only).}
-
-\docparam{incH}{Specifies the increment for sizing the height (Motif/Xt only).}
-
-\docparam{minSize}{Minimum size.}
-
-\docparam{maxSize}{Maximum size.}
-
-\docparam{incSize}{Increment size (Motif/Xt only).}
-
-\wxheading{Remarks}
+Use of this function for windows which are not toplevel windows
+(such as wxDialog or wxFrame) is discouraged. Please use
+\helpref{SetMinSize}{wxwindowsetminsize} and \helpref{SetMaxSize}{wxwindowsetmaxsize}
+instead.
-If this function is called, the user will not be able to size the window outside the
-given bounds.
+\wxheading{See also}
-The resizing increments are only significant under Motif or Xt.
+\helpref{wxTopLevelWindow::SetSizeHints}{wxtoplevelwindowsetsizehints}.
\membersection{wxWindow::SetSizer}\label{wxwindowsetsizer}
\docparam{sizer}{The sizer to set. Pass NULL to disassociate and conditionally delete
the window's sizer. See below.}
-\docparam{deleteOld}{If true (the default), this will delete any prexisting sizer.
+\docparam{deleteOld}{If true (the default), this will delete any pre-existing sizer.
Pass false if you wish to handle deleting the old sizer yourself.}
\wxheading{Remarks}
Sets the style of the window. Please note that some styles cannot be changed
after the window creation and that \helpref{Refresh()}{wxwindowrefresh} might
-be called after changing the others for the change to take place immediately.
+need to be be called after changing the others for the change to take place
+immediately.
See \helpref{Window styles}{windowstyles} for more information about flags.
\helpref{wxWindowUpdateLocker}{wxwindowupdatelocker}
+\membersection{wxWindow::ToggleWindowStyle}\label{wxwindowtogglewindowstyle}
+
+\func{bool}{ToggleWindowStyle}{\param{int }{flag}}
+
+Turns the given \arg{flag} on if it's currently turned off and vice versa.
+This function cannot be used if the value of the flag is $0$ (which is often
+the case for default flags).
+
+Also, please notice that not all styles can be changed after the control
+creation.
+
+\wxheading{Return value}
+
+Returns \true if the style was turned on by this function, \false if it was
+switched off.
+
+\wxheading{See also}
+
+\helpref{wxWindow::SetWindowStyleFlag}{wxwindowsetwindowstyleflag},\rtfsp
+\helpref{wxWindow::HasFlag}{wxwindowhasflag}
+
+
\membersection{wxWindow::TransferDataFromWindow}\label{wxwindowtransferdatafromwindow}
\func{virtual bool}{TransferDataFromWindow}{\void}
Calling this method immediately repaints the invalidated area of the window and
all of its children recursively while this would usually only happen when the
-flow of control returns to the event loop. Notice that this function doesn't
-refresh the window and does nothing if the window hadn't been already
-repainted. Use \helpref{Refresh}{wxwindowrefresh} first if you want to
+flow of control returns to the event loop.
+Notice that this function doesn't invalidate any area of the window so
+nothing happens if nothing has been invalidated (i.e. marked as requiring
+a redraw). Use \helpref{Refresh}{wxwindowrefresh} first if you want to
immediately redraw the window unconditionally.
\docparam{x}{The new x position for the cursor.}
\docparam{y}{The new y position for the cursor.}
+
projects / wxWidgets.git / blobdiff