X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dc7a2021d59a9ee18c148974381bb9ece66a522a..8881d9f0852ca2a5429fdff6555533f5f56c9240:/docs/latex/wx/window.tex?ds=sidebyside diff --git a/docs/latex/wx/window.tex b/docs/latex/wx/window.tex index 6f954a2a1e..2ea573f0a9 100644 --- a/docs/latex/wx/window.tex +++ b/docs/latex/wx/window.tex @@ -74,7 +74,7 @@ and no longer has an effect.} \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.} @@ -203,11 +203,18 @@ Note that wxWidgets maintains the stack of windows having captured the mouse and when the mouse is released the capture returns to the window which had had captured it previously and it is only really released if there were no previous window. In particular, this means that you must release the mouse as many times -as you capture it. +as you capture it, unless the window receives +the \helpref{wxMouseCaptureLostEvent}{wxmousecapturelostevent} event. + +Any application which captures the mouse in the beginning of some operation +{\em must} handle \helpref{wxMouseCaptureLostEvent}{wxmousecapturelostevent} +and cancel this operation when it receives the event. The event handler must +not recapture mouse. \wxheading{See also} \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse} +\helpref{wxMouseCaptureLostEvent}{wxmousecapturelostevent} \membersection{wxWindow::Center}\label{wxwindowcenter} @@ -355,7 +362,7 @@ Usually it is only used with the top level windows (wxFrame and wxDialog classes) as the others are not supposed to have any special OnClose() logic. The close handler should check whether the window is being deleted forcibly, -using \helpref{wxCloseEvent::GetForce}{wxcloseeventgetforce}, in which case it +using \helpref{wxCloseEvent::CanVeto}{wxcloseeventcanveto}, in which case it should destroy the window using \helpref{wxWindow::Destroy}{wxwindowdestroy}. {\it Note} that calling Close does not guarantee that the window will be @@ -689,6 +696,10 @@ a wxTextCtrl under wxGTK) but is not implemented on all platforms nor for all controls so it is mostly just a hint to wxWidgets and not a mandatory directive. +\wxheading{See also} + +\helpref{wxWindowUpdateLocker}{wxwindowupdatelocker} + \membersection{wxWindow::GetAcceleratorTable}\label{wxwindowgetacceleratortable} @@ -783,6 +794,7 @@ Returns the currently captured window. \helpref{wxWindow::HasCapture}{wxwindowhascapture}, \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse}, \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse}, +\helpref{wxMouseCaptureLostEvent}{wxmousecapturelostevent} \helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent} @@ -1012,6 +1024,23 @@ handle, such as {\bf HWND} for Windows, {\bf Widget} for Motif, {\bf GtkWidget} \perlnote{This method will return an integer in wxPerl.} +\membersection{wxWindow::GetHelpTextAtPoint}\label{wxwindowgethelptextatpoint} + +\constfunc{virtual wxString}{GetHelpTextAtPoint}{\param{const wxPoint &}{point}, \param{wxHelpEvent::Origin }{origin}} + +Gets the help text to be used as context-sensitive help for this window. This +method should be overridden if the help message depends on the position inside +the window, otherwise \helpref{GetHelpText}{wxwindowgethelptext} can be used. + +\wxheading{Parameters} + +\docparam{point}{Coordinates of the mouse at the moment of help event emission.} + +\docparam{origin}{Help event origin, see also \helpref{wxHelpEvent::GetOrigin}{wxhelpeventgetorigin}.} + +\newsince{2.7.0} + + \membersection{wxWindow::GetHelpText}\label{wxwindowgethelptext} \constfunc{virtual wxString}{GetHelpText}{\void} @@ -1023,7 +1052,7 @@ and not in the window object itself. \wxheading{See also} -\helpref{SetHelpText}{wxwindowsethelptext}, \helpref{wxHelpProvider}{wxhelpprovider} +\helpref{SetHelpText}{wxwindowsethelptext}, \helpref{GetHelpTextAtPoint}{wxwindowgethelptextatpoint}, \helpref{wxHelpProvider}{wxhelpprovider} \membersection{wxWindow::GetId}\label{wxwindowgetid} @@ -1107,9 +1136,9 @@ windows. \wxheading{Parameters} -\docparam{x}{Receives the x position of the window.} +\docparam{x}{Receives the x position of the window if non-\NULL.} -\docparam{y}{Receives the y position of the window.} +\docparam{y}{Receives the y position of the window if non-\NULL.} \pythonnote{In place of a single overloaded method name, wxPython implements the following methods:\par @@ -1129,12 +1158,53 @@ method:\par }} +\wxheading{See also} + +\helpref{GetScreenPosition}{wxwindowgetscreenposition} + + \membersection{wxWindow::GetRect}\label{wxwindowgetrect} \constfunc{virtual wxRect}{GetRect}{\void} Returns the size and position of the window as a \helpref{wxRect}{wxrect} object. +\wxheading{See also} + +\helpref{GetScreenRect}{wxwindowgetscreenrect} + + +\membersection{wxWindow::GetScreenPosition}\label{wxwindowgetscreenposition} + +\constfunc{virtual void}{GetScreenPosition}{\param{int* }{x}, \param{int* }{y}} + +\constfunc{wxPoint}{GetScreenPosition}{\void} + +Returns the window position in screen coordinates, whether the window is a +child window or a top level one. + +\wxheading{Parameters} + +\docparam{x}{Receives the x position of the window on the screen if non-\NULL.} + +\docparam{y}{Receives the y position of the window on the screen if non-\NULL.} + +\wxheading{See also} + +\helpref{GetPosition}{wxwindowgetposition} + + +\membersection{wxWindow::GetScreenRect}\label{wxwindowgetscreenrect} + +\constfunc{virtual wxRect}{GetScreenRect}{\void} + +Returns the size and position of the window on the screen as a +\helpref{wxRect}{wxrect} object. + +\wxheading{See also} + +\helpref{GetRect}{wxwindowgetrect} + \membersection{wxWindow::GetScrollPos}\label{wxwindowgetscrollpos} @@ -1328,6 +1398,7 @@ Returns {\tt true} if this window has the current mouse capture. \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse}, \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse}, +\helpref{wxMouseCaptureLostEvent}{wxmousecapturelostevent} \helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent} @@ -1338,6 +1409,18 @@ Returns {\tt true} if this window has the current mouse capture. Returns \texttt{true} if the window has the given \arg{flag} bit set. +\membersection{wxWindow::HasMultiplePages}\label{wxwindowhasmultiplepages} + +\constfunc{virtual bool}{HasMultiplePages}{\void} + +This method should be overridden to return \texttt{true} if this window has +multiple pages. All standard class with multiple pages such as +\helpref{wxNotebook}{wxnotebook}, \helpref{wxListbook}{wxlistbook} and +\helpref{wxTreebook}{wxtreebook} already override it to return \texttt{true} +and user-defined classes with similar behaviour should do it as well to allow +the library to handle such windows appropriately. + + \membersection{wxWindow::HasScrollbar}\label{wxwindowhasscrollbar} \constfunc{virtual bool}{HasScrollbar}{\param{int }{orient}} @@ -1412,6 +1495,19 @@ to the dialog via validators. 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} @@ -1446,6 +1542,18 @@ implements the following methods:\par \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} @@ -1463,6 +1571,22 @@ Retained windows are only available on X platforms. 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::IsTopLevel}\label{wxwindowistoplevel} @@ -1498,7 +1622,7 @@ This is just a wrapper for \helpref{ScrollLines}{wxwindowscrolllines}$(-1)$. \func{void}{Lower}{\void} -Lowers the window to the bottom of the window hierarchy. +Lowers the window to the bottom of the window hierarchy (z-order). \wxheading{See also} @@ -2197,9 +2321,9 @@ remove the event handler. \func{void}{Raise}{\void} -Raises the window to the top of the window hierarchy. +Raises the window to the top of the window hierarchy (z-order). -In current version of wxWidgets this works both for manage and child windows. +In current version of wxWidgets this works both for managed and child windows. \wxheading{See also} @@ -2287,6 +2411,7 @@ Releases mouse input captured with \helpref{wxWindow::CaptureMouse}{wxwindowcapt \helpref{wxWindow::CaptureMouse}{wxwindowcapturemouse}, \helpref{wxWindow::HasCapture}{wxwindowhascapture}, \helpref{wxWindow::ReleaseMouse}{wxwindowreleasemouse}, +\helpref{wxMouseCaptureLostEvent}{wxmousecapturelostevent} \helpref{wxMouseCaptureChangedEvent}{wxmousecapturechangedevent} @@ -2314,7 +2439,7 @@ not delete) it from it. \wxheading{Parameters} -\docparam{handler}{The event handler to remove, must be non {\tt NULL} and +\docparam{handler}{The event handler to remove, must be non-{\tt NULL} and must be present in this windows event handlers chain} \wxheading{Return value} @@ -2335,7 +2460,7 @@ handler is supposed to be there). Reparents the window, i.e the window will be removed from its current parent window (e.g. a non-standard toolbar in a wxFrame) -and then re-inserted into another. Available on Windows and GTK. +and then re-inserted into another. \wxheading{Parameters} @@ -2404,9 +2529,7 @@ on top/bottom and nothing was done. \wxheading{Remarks} -This function is currently only implemented under MSW and wxTextCtrl under -wxGTK (it also works for wxScrolledWindow derived classes under all -platforms). +This function is currently only implemented under MSW and wxGTK. \wxheading{See also} @@ -2457,16 +2580,21 @@ See also \helpref{wxAccessible}{wxaccessible}. \func{void}{SetAutoLayout}{\param{bool}{ autoLayout}} Determines whether the \helpref{wxWindow::Layout}{wxwindowlayout} function will -be called automatically when the window is resized. It is called implicitly by -\helpref{wxWindow::SetSizer}{wxwindowsetsizer} but if you use +be called automatically when the window is resized. Please note that this only +happens for the windows usually used to contain children, namely +\helpref{wxPanel}{wxpanel} and \helpref{wxTopLevelWindow}{wxtoplevelwindow} +(and the classes deriving from them). + +This method is called implicitly by +\helpref{wxWindow::SetSizer}{wxwindowsetsizer} but if you use \helpref{wxWindow::SetConstraints}{wxwindowsetconstraints} you should call it manually or otherwise the window layout won't be correctly updated when its size changes. \wxheading{Parameters} -\docparam{autoLayout}{Set this to {\tt true} if you wish the Layout function to be called -from within wxWindow::OnSize functions.} +\docparam{autoLayout}{Set this to \true if you wish the Layout function to be +called automatically when the window is resized.} \wxheading{See also} @@ -2712,14 +2840,12 @@ default for the reasons explained in the 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, @@ -2760,6 +2886,12 @@ use \helpref{SetOwnFont}{wxwindowsetownfont} instead in this case and see \helpref{InheritAttributes}{wxwindowinheritattributes} for more explanations. +Please notice that the given font is \emph{not} automatically used for +\helpref{wxPaintDC}{wxpaintdc} objects associated with this window, you need to +call \helpref{wxDC::SetFont()}{wxdcsetfont} too. However this font is used by +any standard controls for drawing their text as well as by +\helpref{wxWindow::GetTextExtent()}{wxwindowgettextextent}. + \wxheading{Parameters} \docparam{font}{Font to associate with this window, pass @@ -2978,7 +3110,8 @@ from your \helpref{wxSizeEvent}{wxsizeevent} handler function. \wxheading{See also} \helpref{Scrolling overview}{scrollingoverview},\rtfsp -\helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow} +\helpref{wxScrollBar}{wxscrollbar}, \helpref{wxScrolledWindow}{wxscrolledwindow},\rtfsp +\helpref{wxScrollWinEvent}{wxscrollwinevent} \begin{comment} @@ -3121,7 +3254,7 @@ value should be used.} {\bf wxSIZE\_AUTO\_WIDTH}: a $wxDefaultCoord$ width value is taken to indicate a wxWidgets-supplied default width.\\ {\bf wxSIZE\_AUTO\_HEIGHT}: a $wxDefaultCoord$ height value is taken to indicate -a wxWidgets-supplied default width.\\ +a wxWidgets-supplied default height.\\ {\bf wxSIZE\_AUTO}: $wxDefaultCoord$ size values are taken to indicate a wxWidgets-supplied default size.\\ {\bf wxSIZE\_USE\_EXISTING}: existing dimensions should be used @@ -3401,6 +3534,10 @@ Reenables window updating after a previous call to \helpref{Freeze}{wxwindowfreeze}. To really thaw the control, it must be called exactly the same number of times as \helpref{Freeze}{wxwindowfreeze}. +\wxheading{See also} + +\helpref{wxWindowUpdateLocker}{wxwindowupdatelocker} + \membersection{wxWindow::TransferDataFromWindow}\label{wxwindowtransferdatafromwindow} @@ -3466,9 +3603,10 @@ This function is currently only implemented under MSW. 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. @@ -3555,3 +3693,4 @@ Interface Guidelines forbid moving the mouse cursor programmatically. \docparam{x}{The new x position for the cursor.} \docparam{y}{The new y position for the cursor.} +