X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c0ed460c2e7802793d591c84f3cfdbff159c5549..8b6e6947fc8fb946391740d66b140413eccb6b6c:/docs/latex/wx/window.tex?ds=sidebyside diff --git a/docs/latex/wx/window.tex b/docs/latex/wx/window.tex index b5ef3bc1e0..f35f9406a6 100644 --- a/docs/latex/wx/window.tex +++ b/docs/latex/wx/window.tex @@ -1,36 +1,55 @@ \section{\class{wxWindow}}\label{wxwindow} -wxWindow is the base class for all windows. Any -children of the window will be deleted automatically by the destructor -before the window itself is deleted. +wxWindow is the base class for all windows. Any children of the window will be deleted +automatically by the destructor before the window itself is deleted. + +Please note that we documented a number of handler functions (OnChar(), OnMouse() etc.) in this +help text. These must not be called by a user program and are documented only for illustration. +On several platforms, only a few of these handlers are actually written (they are not always +needed) and if you are uncertain on how to add a certain behaviour to a window class, intercept +the respective event as usual and call \helpref{wxEvent::Skip}{wxeventskip} so that the native +platform can implement its native behaviour or just ignore the event if nothing needs to be +done. \wxheading{Derived from} \helpref{wxEvtHandler}{wxevthandler}\\ \helpref{wxObject}{wxobject} +\wxheading{Include files} + + + \wxheading{Window styles} The following styles can apply to all windows, although they will not always make sense for a particular -window class. +window class or on all platforms. \twocolwidtha{5cm}% \begin{twocollist}\itemsep=0pt \twocolitem{\windowstyle{wxSIMPLE\_BORDER}}{Displays a thin border around the window. wxBORDER is the old name -for this style.} +for this style. } \twocolitem{\windowstyle{wxDOUBLE\_BORDER}}{Displays a double border. Windows only.} \twocolitem{\windowstyle{wxSUNKEN\_BORDER}}{Displays a sunken border.} -\twocolitem{\windowstyle{wxRAISED\_BORDER}}{Displays a sunken border.} -\twocolitem{\windowstyle{wxSTATIC\_BORDER}}{Displays a border suitable for a static control.} +\twocolitem{\windowstyle{wxRAISED\_BORDER}}{Displays a raised border. GTK only. } +\twocolitem{\windowstyle{wxSTATIC\_BORDER}}{Displays a border suitable for a static control. Windows only. } \twocolitem{\windowstyle{wxTRANSPARENT\_WINDOW}}{The window is transparent, that is, it will not receive paint events. Windows only.} \twocolitem{\windowstyle{wxNO\_3D}}{Prevents the children of this window taking on 3D styles, even though the application-wide policy is for 3D controls. Windows only.} \twocolitem{\windowstyle{wxTAB\_TRAVERSAL}}{Use this to enable tab traversal for non-dialog windows.} -\twocolitem{\windowstyle{wxVSCROLL}}{Use this style to enable a vertical scrollbar.} -\twocolitem{\windowstyle{wxHSCROLL}}{Use this style to enable a horizontal scrollbar.} +\twocolitem{\windowstyle{wxWANTS\_CHARS}}{Use this to indicate that the window +wants to get all char events - even for keys like TAB or ENTER which are +usually used for dialog navigation and which wouldn't be generated without +this style} +\twocolitem{\windowstyle{wxNO\_FULL\_REPAINT\_ON\_RESIZE}}{Disables repainting +the window completely when its size is changed - you will have to repaint the +new window area manually if you use this style. Currently only has an effect for +Windows.} +\twocolitem{\windowstyle{wxVSCROLL}}{Use this style to enable a vertical scrollbar. (Still used?) } +\twocolitem{\windowstyle{wxHSCROLL}}{Use this style to enable a horizontal scrollbar. (Still used?) } \twocolitem{\windowstyle{wxCLIP\_CHILDREN}}{Use this style to eliminate flicker caused by the background being -repainted, then children being painted over them. Windows-only.} +repainted, then children being painted over them. Windows only.} \end{twocollist} See also \helpref{window styles overview}{windowstyles}. @@ -41,7 +60,7 @@ See also \helpref{window styles overview}{windowstyles}. \latexignore{\rtfignore{\wxheading{Members}}} -\membersection{wxWindow::wxWindow} +\membersection{wxWindow::wxWindow}\label{wxwindowctor} \func{}{wxWindow}{\void} @@ -66,7 +85,9 @@ should generate a default position for the window. If using the wxWindow class d an actual position.} \docparam{size}{Window size. wxDefaultSize is (-1, -1) which indicates that wxWindows -should generate a default size for the window.} +should generate a default size for the window. If no suitable size can be found, the +window will be sized to 20x20 pixels so that the window is visible but obviously not +correctly sized. } \docparam{style}{Window style. For generic window styles, please see \helpref{wxWindow}{wxwindow}.} @@ -116,37 +137,96 @@ release the capture. A synonym for \helpref{Centre}{wxwindowcentre}. +\membersection{wxWindow::CenterOnParent}\label{wxwindowcenteronparent} + +\func{void}{CenterOnParent}{\param{int}{ direction}} + +A synonym for \helpref{CentreOnParent}{wxwindowcentreonparent}. + +\membersection{wxWindow::CenterOnScreen}\label{wxwindowcenteronscreen} + +\func{void}{CenterOnScreen}{\param{int}{ direction}} + +A synonym for \helpref{CentreOnScreen}{wxwindowcentreonscreen}. + \membersection{wxWindow::Centre}\label{wxwindowcentre} -\func{virtual void}{Centre}{\param{int}{ direction = wxHORIZONTAL}} +\func{void}{Centre}{\param{int}{ direction = wxBOTH}} Centres the window. \wxheading{Parameters} \docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp -or {\tt wxBOTH}.} +or {\tt wxBOTH}. It may also include {\tt wxCENTRE\_ON\_SCREEN} flag +if you want to center the window on the entire screen and not on its +parent window.} + +The flag {\tt wxCENTRE\_FRAME} is obsolete and should not be used any longer +(it has no effect). \wxheading{Remarks} -The actual behaviour depends on the derived window. For a frame or dialog box, -centring is relative to the whole display. For a panel item, centring is -relative to the panel. +If the window is a top level one (i.e. doesn't have a parent), it will be +centered relative to the screen anyhow. \wxheading{See also} \helpref{wxWindow::Center}{wxwindowcenter} +\membersection{wxWindow::CentreOnParent}\label{wxwindowcentreonparent} + +\func{void}{CentreOnParent}{\param{int}{ direction = wxBOTH}} + +Centres the window on its parent. This is a more readable synonym for +\helpref{Centre}{wxwindowcentre}. + +\wxheading{Parameters} + +\docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp +or {\tt wxBOTH}.} + +\wxheading{Remarks} + +This methods provides for a way to center top level windows over their +parents instead of the entire screen. If there is no parent or if the +window is not a top level window, then behaviour is the same as +\helpref{wxWindow::Centre}{wxwindowcentre}. + +\wxheading{See also} + +\helpref{wxWindow::CentreOnScreen}{wxwindowcenteronscreen} + +\membersection{wxWindow::CentreOnScreen}\label{wxwindowcentreonscreen} + +\func{void}{CentreOnScreen}{\param{int}{ direction = wxBOTH}} + +Centres the window on screen. This only works for top level windows - +otherwise, the window will still be centered on its parent. + +\wxheading{Parameters} + +\docparam{direction}{Specifies the direction for the centering. May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL}\rtfsp +or {\tt wxBOTH}.} + +\wxheading{See also} + +\helpref{wxWindow::CentreOnParent}{wxwindowcenteronparent} + \membersection{wxWindow::Clear}\label{wxwindowclear} \func{void}{Clear}{\void} -Clears the window by filling it with the current background colour. +Clears the window by filling it with the current background colour. Does not +cause an erase background event to be generated. \membersection{wxWindow::ClientToScreen} \constfunc{virtual void}{ClientToScreen}{\param{int* }{x}, \param{int* }{y}} +\perlnote{In wxPerl this method returns a 2-element list intead of +modifying its parameters.} + \constfunc{virtual wxPoint}{ClientToScreen}{\param{const wxPoint\&}{ pt}} Converts to screen coordinates from coordinates relative to this window. @@ -159,9 +239,17 @@ a screen coordinate will be passed out.} \docparam{pt}{The client position for the second form of the function.} +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf ClientToScreen(point)}}{Accepts and returns a wxPoint} +\twocolitem{{\bf ClientToScreenXY(x, y)}}{Returns a 2-tuple, (x, y)} +\end{twocollist}} +} + \membersection{wxWindow::Close}\label{wxwindowclose} -\func{virtual bool}{Close}{\param{const bool}{ force = FALSE}} +\func{virtual bool}{Close}{\param{bool}{ force = FALSE}} The purpose of this call is to provide a safer way of destroying a window than using the {\it delete} operator. @@ -182,6 +270,14 @@ destroy the window using \helpref{wxWindow::Destroy}{wxwindowdestroy}. Applies to managed windows (wxFrame and wxDialog classes) only. +{\it Note} that calling Close does not guarantee that the window will be destroyed; but it +provides a way to simulate a manual close of a window, which may or may not be implemented by +destroying the window. The default implementation of wxDialog::OnCloseWindow does not +necessarily delete the dialog, since it will simply simulate an wxID\_CANCEL event which +itself only hides the dialog. + +To guarantee that the window will be destroyed, call \helpref{wxWindow::Destroy}{wxwindowdestroy} instead. + \wxheading{See also} \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp @@ -220,6 +316,23 @@ You can also use these functions programmatically. A convenience macro is define \helpref{wxWindow::ConvertPixelsToDialog}{wxwindowconvertpixelstodialog} +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf ConvertDialogPointToPixels(point)}}{Accepts and returns a wxPoint} +\twocolitem{{\bf ConvertDialogSizeToPixels(size)}}{Accepts and returns a wxSize} +\end{twocollist}} + +Additionally, the following helper functions are defined:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf wxDLG\_PNT(win, point)}}{Converts a wxPoint from dialog +units to pixels} +\twocolitem{{\bf wxDLG\_SZE(win, size)}}{Converts a wxSize from dialog +units to pixels} +\end{twocollist}} +} + + \membersection{wxWindow::ConvertPixelsToDialog}\label{wxwindowconvertpixelstodialog} \func{wxPoint}{ConvertPixelsToDialog}{\param{const wxPoint\&}{ pt}} @@ -243,6 +356,15 @@ Dialogs created using Dialog Editor optionally use dialog units. \helpref{wxWindow::ConvertDialogToPixels}{wxwindowconvertdialogtopixels} + +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf ConvertDialogPointToPixels(point)}}{Accepts and returns a wxPoint} +\twocolitem{{\bf ConvertDialogSizeToPixels(size)}}{Accepts and returns a wxSize} +\end{twocollist}} +} + \membersection{wxWindow::Destroy}\label{wxwindowdestroy} \func{virtual bool}{Destroy}{\void} @@ -265,9 +387,15 @@ to the list of windows pending real deletion. Destroys all children of a window. Called automatically by the destructor. +\membersection{wxWindow::Disable}\label{wxwindowdisable} + +\func{void}{Disable}{\void} + +Disables the window, same as \helpref{Enable(FALSE)}{wxwindowenable}. + \membersection{wxWindow::DragAcceptFiles}\label{wxwindowdragacceptfiles} -\func{virtual void}{DragAcceptFiles}{\param{const bool}{ accept}} +\func{virtual void}{DragAcceptFiles}{\param{bool}{ accept}} Enables or disables elibility for drop file events (OnDropFiles). @@ -286,7 +414,7 @@ Windows only. \membersection{wxWindow::Enable}\label{wxwindowenable} -\func{virtual void}{Enable}{\param{const bool}{ enable}} +\func{virtual void}{Enable}{\param{bool}{ enable = TRUE}} Enable or disable the window for user input. @@ -296,31 +424,8 @@ Enable or disable the window for user input. \wxheading{See also} -\helpref{wxWindow::IsEnabled}{wxwindowisenabled} - -\membersection{wxWindow::FakePopupMenu}\label{wxwindowfakepopupmenu} - -\func{virtual bool}{FakePopupMenu}{\param{wxMenu* }{menu}, \param{int }{x}, \param{int }{y}} - -A replacement for wxWindow::PopupMenu for cases where the PopupMenu implementation -does not work correctly, in particular on Motif platforms. - -\wxheading{Parameters} - -\docparam{menu}{Menu to pop up.} - -\docparam{x}{Required x position for the menu to appear.} - -\docparam{y}{Required y position for the menu to appear.} - -\wxheading{Remarks} - -This is a cut-down version of PopupMenu using a dialog and listbox; pull-right menus -are not supported. - -\wxheading{See also} - -\helpref{wxMenu}{wxmenu}, \helpref{wxWindow::PopupMenu}{wxwindowpopupmenu} +\helpref{wxWindow::IsEnabled}{wxwindowisenabled},\rtfsp +\helpref{wxWindow::Disable}{wxwindowdisable} \membersection{wxWindow::FindFocus}\label{wxwindowfindfocus} @@ -346,11 +451,34 @@ Find a child of this window, by identifier. Find a child of this window, by name. +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf FindWindowById(id)}}{Accepts an integer} +\twocolitem{{\bf FindWindowByName(name)}}{Accepts a string} +\end{twocollist}} +} + \membersection{wxWindow::Fit}\label{wxwindowfit} \func{virtual void}{Fit}{\void} -Sizes the window so that it fits around its subwindows. +Sizes the window so that it fits around its subwindows. This function won't do +anything if there are no subwindows. + +\membersection{wxWindow::Freeze}\label{wxwindowfreeze} + +\func{virtual void}{Freeze}{\void} + +Freezes the window or, in other words, prevents any updates from taking place +on screen, the window is not redrawn at all. \helpref{Thaw}{wxwindowthaw} must +be called to reenable window redrawing. + +This method is useful for visual appearance optimization (for example, it +is a good idea to use it before inserting large amount of text into a +wxTextCtrl under wxGTK) but is not implemented on all platforms nor for all +controls so it is mostly just a hint to wxWindows and not a mandatory +directive. \membersection{wxWindow::GetBackgroundColour}\label{wxwindowgetbackgroundcolour} @@ -365,6 +493,23 @@ Returns the background colour of the window. \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp \helpref{wxWindow::OnEraseBackground}{wxwindowonerasebackground} +\membersection{wxWindow::GetBestSize}\label{wxwindowgetbestsize} + +\constfunc{virtual wxSize}{GetBestSize}{\void} + +This functions returns the best acceptable minimal size for the window. For +example, for a static control, it will be the minimal size such that the +control label is not truncated. For windows containing subwindows (typically +\helpref{wxPanel}{wxpanel}), the size returned by this function will be the +same as the size the window would have had after calling +\helpref{Fit}{wxwindowfit}. + +\membersection{wxWindow::GetCaret}\label{wxwindowgetcaret} + +\constfunc{wxCaret *}{GetCaret}{\void} + +Returns the \helpref{caret}{wxcaret} associated with the window. + \membersection{wxWindow::GetCharHeight} \constfunc{virtual int}{GetCharHeight}{\void} @@ -387,6 +532,9 @@ Returns a reference to the list of the window's children. \constfunc{virtual void}{GetClientSize}{\param{int* }{width}, \param{int* }{height}} +\perlnote{In wxPerl this method takes no parameter and returns +a 2-element list {\tt ( width, height )}.} + \constfunc{virtual wxSize}{GetClientSize}{\void} This gets the size of the window `client area' in pixels. The client area is the @@ -398,17 +546,30 @@ area which may be drawn on by the programmer, excluding title bar, border etc. \docparam{height}{Receives the client height in pixels.} +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf GetClientSizeTuple()}}{Returns a 2-tuple of (width, height)} +\twocolitem{{\bf GetClientSize()}}{Returns a wxSize object} +\end{twocollist}} +} + \membersection{wxWindow::GetConstraints}\label{wxwindowgetconstraints} \constfunc{wxLayoutConstraints*}{GetConstraints}{\void} Returns a pointer to the window's layout constraints, or NULL if there are none. -\membersection{wxWindow::GetDefaultItem}\label{wxwindowgetdefaultitem} +\membersection{wxWindow::GetDropTarget}\label{wxwindowgetdroptarget} -\constfunc{wxButton*}{GetDefaultItem}{\void} +\constfunc{wxDropTarget*}{GetDropTarget}{\void} + +Returns the associated drop target, which may be NULL. + +\wxheading{See also} -Returns a pointer to the button which is the default for this window, or NULL. +\helpref{wxWindow::SetDropTarget}{wxwindowsetdroptarget}, +\helpref{Drag and drop overview}{wxdndoverview} \membersection{wxWindow::GetEventHandler}\label{wxwindowgeteventhandler} @@ -425,6 +586,12 @@ own event handler. \helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp \helpref{wxEvtHandler}{wxevthandler}\rtfsp +\membersection{wxWindow::GetExtraStyle}\label{wxwindowgetextrastyle} + +\constfunc{long}{GetExtraStyle}{\void} + +Returns the extra style bits for the window. + \membersection{wxWindow::GetFont}\label{wxwindowgetfont} \constfunc{wxFont\&}{GetFont}{\void} @@ -459,47 +626,47 @@ be used at all. Returns the grandparent of a window, or NULL if there isn't one. -\membersection{wxWindow::GetHandle} +\membersection{wxWindow::GetHandle}\label{wxwindowgethandle} \constfunc{void*}{GetHandle}{\void} Returns the platform-specific handle of the physical window. Cast it to an appropriate -handle, such as {\bf HWND} for Windows or {\bf Widget} for Motif. +handle, such as {\bf HWND} for Windows, {\bf Widget} for Motif or {\bf GtkWidget} for GTK. -\membersection{wxWindow::GetId}\label{wxwindowgetid} - -\constfunc{int}{GetId}{\void} +\pythonnote{This method will return an integer in wxPython.} -Returns the identifier of the window. +\membersection{wxWindow::GetHelpText}\label{wxwindowgethelptext} -\wxheading{Remarks} +\constfunc{virtual wxString}{GetHelpText}{\void} -Each window has an integer identifier. If the application has not provided one, -an identifier will be generated. +Gets the help text to be used as context-sensitive help for this window. -TODO: perhaps there should be a default identifier for each class, rather -choosing one, which could clash with other ones. +Note that the text is actually stored by the current \helpref{wxHelpProvider}{wxhelpprovider} implementation, +and not in the window object itself. \wxheading{See also} -\helpref{wxWindow::SetId}{wxwindowsetid} +\helpref{SetHelpText}{wxwindowsethelptext}, \helpref{wxHelpProvider}{wxhelpprovider} -\membersection{wxWindow::GetPosition} +\membersection{wxWindow::GetId}\label{wxwindowgetid} -\constfunc{virtual void}{GetPosition}{\param{int* }{x}, \param{int* }{y}} +\constfunc{int}{GetId}{\void} -This gets the position of the window in pixels, relative to the parent window or -if no parent, relative to the whole display. +Returns the identifier of the window. -\wxheading{Parameters} +\wxheading{Remarks} -\docparam{x}{Receives the x position of the window.} +Each window has an integer identifier. If the application has not provided one +(or the default Id -1) an unique identifier with a negative value will be generated. -\docparam{y}{Receives the y position of the window.} +\wxheading{See also} + +\helpref{wxWindow::SetId}{wxwindowsetid},\rtfsp +\helpref{Window identifiers}{windowids} \membersection{wxWindow::GetLabel} -\constfunc{virtual wxString\& }{GetLabel}{\void} +\constfunc{virtual wxString }{GetLabel}{\void} Generic way of getting a label from any window, for identification purposes. @@ -514,7 +681,7 @@ by name. \membersection{wxWindow::GetName}\label{wxwindowgetname} -\constfunc{virtual wxString\& }{GetName}{\void} +\constfunc{virtual wxString }{GetName}{\void} Returns the window's name. @@ -533,27 +700,43 @@ name in the window constructor or via \helpref{wxWindow::SetName}{wxwindowsetnam Returns the parent of the window, or NULL if there is no parent. -\membersection{wxWindow::GetRect}\label{wxwindowgetrect} +\membersection{wxWindow::GetPosition}\label{wxwindowgetposition} -\constfunc{virtual wxRect}{GetRect}{\void} +\constfunc{virtual void}{GetPosition}{\param{int* }{x}, \param{int* }{y}} -Returns the size and position of the window as a \helpref{wxRect}{wxrect} object. +\constfunc{wxPoint}{GetPosition}{\void} -\membersection{wxWindow::GetReturnCode}\label{wxwindowgetreturncode} +This gets the position of the window in pixels, relative to the parent window or +if no parent, relative to the whole display. + +\wxheading{Parameters} -\func{int}{GetReturnCode}{\void} +\docparam{x}{Receives the x position of the window.} -Gets the return code for this window. +\docparam{y}{Receives the y position of the window.} -\wxheading{Remarks} +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf GetPosition()}}{Returns a wxPoint} +\twocolitem{{\bf GetPositionTuple()}}{Returns a tuple (x, y)} +\end{twocollist}} +} -A return code is normally associated with a modal dialog, where \helpref{wxDialog::ShowModal}{wxdialogshowmodal} returns -a code to the application. +\perlnote{In wxPerl there are two methods instead of a single overloaded +method:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf GetPosition()}}{Returns a Wx::Point} +\twocolitem{{\bf GetPositionXY()}}{Returns a 2-element list + {\tt ( x, y )}} +\end{twocollist} +}} -\wxheading{See also} +\membersection{wxWindow::GetRect}\label{wxwindowgetrect} -\helpref{wxWindow::SetReturnCode}{wxwindowsetreturncode}, \helpref{wxDialog::ShowModal}{wxdialogshowmodal},\rtfsp -\helpref{wxDialog::EndModal}{wxdialogendmodal} +\constfunc{virtual wxRect}{GetRect}{\void} + +Returns the size and position of the window as a \helpref{wxRect}{wxrect} object. \membersection{wxWindow::GetScrollThumb}\label{wxwindowgetscrollthumb} @@ -599,11 +782,33 @@ This gets the size of the entire window in pixels. \docparam{height}{Receives the window height.} -\membersection{wxWindow::GetTextExtent} +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf GetSize()}}{Returns a wxSize} +\twocolitem{{\bf GetSizeTuple()}}{Returns a 2-tuple (width, height)} +\end{twocollist}} +} + +\perlnote{In wxPerl there are two methods instead of a single overloaded +method:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf GetSize()}}{Returns a Wx::Size} +\twocolitem{{\bf GetSizeWH()}}{Returns a 2-element list + {\tt ( width, height )}} +\end{twocollist} +}} + +\membersection{wxWindow::GetSizer}\label{wxwindowgetsizer} + +\constfunc{const wxSizer *}{GetSizer}{\void} + +Return the sizer associated with the window by a previous call to +\helpref{SetSizer()}{wxwindowsetsizer} or {\tt NULL}. \constfunc{virtual void}{GetTextExtent}{\param{const wxString\& }{string}, \param{int* }{x}, \param{int* }{y}, \param{int* }{descent = NULL}, \param{int* }{externalLeading = NULL}, - \param{const wxFont* }{font = NULL}, \param{const bool}{ use16 = FALSE}} + \param{const wxFont* }{font = NULL}, \param{bool}{ use16 = FALSE}} Gets the dimensions of the string as it would be drawn on the window with the currently selected font. @@ -624,6 +829,20 @@ window with the currently selected font. \docparam{use16}{If TRUE, {\it string} contains 16-bit characters. The default is FALSE.} + +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf GetTextExtent(string)}}{Returns a 2-tuple, (width, height)} +\twocolitem{{\bf GetFullTextExtent(string, font=NULL)}}{Returns a +4-tuple, (width, height, descent, externalLeading) } +\end{twocollist}} +} + +\perlnote{In wxPerl this method takes only the {\tt string} and optionally + {\tt font} parameters, and returns a 4-element list + {\tt ( x, y, descent, externalLeading )}.} + \membersection{wxWindow::GetTitle}\label{wxwindowgettitle} \func{virtual wxString}{GetTitle}{\void} @@ -645,11 +864,18 @@ only be called within an \helpref{OnPaint}{wxwindowonpaint} event handler. \helpref{wxRegion}{wxregion}, \helpref{wxRegionIterator}{wxregioniterator}, \helpref{wxWindow::OnPaint}{wxwindowonpaint} -\membersection{wxWindow::GetWindowStyleFlag} +\membersection{wxWindow::GetValidator}\label{wxwindowgetvalidator} + +\constfunc{wxValidator*}{GetValidator}{\void} + +Returns a pointer to the current validator for the window, or NULL if there is none. + +\membersection{wxWindow::GetWindowStyleFlag}\label{wxwindowgetwindowstyleflag} \constfunc{long}{GetWindowStyleFlag}{\void} -Gets the window style that was passed to the consructor or {\bf Create} member. +Gets the window style that was passed to the constructor or {\bf Create} +method. {\bf GetWindowStyle()} is another name for the same function. \membersection{wxWindow::InitDialog}\label{wxwindowinitdialog} @@ -672,6 +898,28 @@ Returns TRUE if the window is enabled for input, FALSE otherwise. \helpref{wxWindow::Enable}{wxwindowenable} +\membersection{wxWindow:IsExposed}\label{wxwindowisexposed} + +\constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}} + +\constfunc{bool}{IsExposed}{\param{wxPoint }{\&pt}} + +\constfunc{bool}{IsExposed}{\param{int }{x}, \param{int }{y}, \param{int }{w}, \param{int }{h}} + +\constfunc{bool}{IsExposed}{\param{wxRect }{\&rect}} + +Returns TRUE if the given point or rectange area has been exposed since the +last repaint. Call this in an paint event handler to optimize redrawing by +only redrawing those areas, which have been exposed. + +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf IsExposed(x,y, w=0,h=0}}{} +\twocolitem{{\bf IsExposedPoint(pt)}}{} +\twocolitem{{\bf IsExposedRect(rect)}}{} +\end{twocollist}}} + \membersection{wxWindow::IsRetained}\label{wxwindowisretained} \constfunc{virtual bool}{IsRetained}{\void} @@ -688,12 +936,23 @@ Retained windows are only available on X platforms. Returns TRUE if the window is shown, FALSE if it has been hidden. +\membersection{wxWindow::IsTopLevel}\label{wxwindowistoplevel} + +\constfunc{bool}{IsTopLevel}{\void} + +Returns TRUE if the given window is a top-level one. Currently all frames and +dialogs are considered to be top-level windows (even if they have a parent +window). + \membersection{wxWindow::Layout}\label{wxwindowlayout} \func{void}{Layout}{\void} -Invokes the constraint-based layout algorithm for this window. It is called -automatically by the default {\bf wxWindow::OnSize} member. +Invokes the constraint-based layout algorithm or the sizer-based algorithm +for this window. + +See \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} on when +this function gets called automatically using auto layout. \membersection{wxWindow::LoadFromResource}\label{wxwindowloadfromresource} @@ -715,14 +974,6 @@ default resource table will be used.} TRUE if the operation succeeded, otherwise FALSE. -\wxheading{Remarks} - -TODO - -\wxheading{See also} - -TODO - \membersection{wxWindow::Lower}\label{wxwindowlower} \func{void}{Lower}{\void} @@ -732,10 +983,11 @@ or frame). \membersection{wxWindow::MakeModal}\label{wxwindowmakemodal} -\func{virtual void}{MakeModal}{\param{const bool }{flag}} +\func{virtual void}{MakeModal}{\param{bool }{flag}} Disables all other windows in the application so that -the user can only interact with this window. +the user can only interact with this window. (This function +is not implemented anywhere). \wxheading{Parameters} @@ -772,6 +1024,14 @@ as the call: \helpref{wxWindow::SetSize}{wxwindowsetsize} +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf Move(point)}}{Accepts a wxPoint} +\twocolitem{{\bf MoveXY(x, y)}}{Accepts a pair of integers} +\end{twocollist}} +} + \membersection{wxWindow::OnActivate}\label{wxwindowonactivate} \func{void}{OnActivate}{\param{wxActivateEvent\&}{ event}} @@ -796,7 +1056,7 @@ otherwise it returns FALSE (it is being deactivated). \func{void}{OnChar}{\param{wxKeyEvent\&}{ event}} -Called when the user has pressed a key. +Called when the user has pressed a key that is not a modifier (SHIFT, CONTROL or ALT). \wxheading{Parameters} @@ -812,10 +1072,18 @@ default function to achieve default keypress functionality. Note that the ASCII values do not have explicit key codes: they are passed as ASCII values. +Note that not all keypresses can be intercepted this way. If you wish to intercept modifier +keypresses, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or +\helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}. + Most, but not all, windows allow keypresses to be intercepted. +{\bf Tip:} be sure to call {\tt event.Skip()} for events that you don't process in this function, +otherwise menu shortcuts may cease to work under Windows. + \wxheading{See also} +\helpref{wxWindow::OnKeyDown}{wxwindowonkeydown}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp \helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp \helpref{Event handling overview}{eventhandlingoverview} @@ -844,12 +1112,16 @@ Note that the ASCII values do not have explicit key codes: they are passed as AS values. This function is only relevant to top-level windows (frames and dialogs), and under -Windows only. +Windows only. Under GTK the normal EVT\_CHAR\_ event has the functionality, i.e. +you can intercepts it and if you don't call \helpref{wxEvent::Skip}{wxeventskip} +the window won't get the event. \wxheading{See also} -\helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp -\helpref{wxApp::OnCharHook}{wxapponcharhook},\rtfsp +\helpref{wxKeyEvent}{wxkeyevent},\rtfsp +\helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp +%% GD: OnXXX functions are not documented +%%\helpref{wxApp::OnCharHook}{wxapponcharhook},\rtfsp \helpref{Event handling overview}{eventhandlingoverview} \membersection{wxWindow::OnCommand}\label{wxwindowoncommand} @@ -882,7 +1154,7 @@ the control(s) in question. Called when the user has tried to close a a frame or dialog box using the window manager (X) or system menu (Windows). -{\bf Note:} This is an obsolete function retained for backward compatibility. +{\bf Note:} This is an obsolete function. It is superceded by the \helpref{wxWindow::OnCloseWindow}{wxwindowonclosewindow} event handler. @@ -892,10 +1164,6 @@ If TRUE is returned by OnClose, the window will be deleted by the system, otherw attempt will be ignored. Do not delete the window from within this handler, although you may delete other windows. -\wxheading{Remarks} - -Derive your own class to handle this message. The default handler returns TRUE. - \wxheading{See also} \helpref{Window deletion overview}{windowdeletionoverview},\rtfsp @@ -941,8 +1209,9 @@ destroying the window if it returns TRUE or if the close is being forced. \helpref{wxWindow::OnClose}{wxwindowonclose},\rtfsp \helpref{wxWindow::Destroy}{wxwindowdestroy},\rtfsp \helpref{wxCloseEvent}{wxcloseevent},\rtfsp -\helpref{wxApp::OnQueryEndSession}{wxapponqueryendsession},\rtfsp -\helpref{wxApp::OnEndSession}{wxapponendsession} +\helpref{wxApp::OnQueryEndSession}{wxapponqueryendsession} +%% GD: OnXXX functions are not documented +%%\helpref{wxApp::OnEndSession}{wxapponendsession} \membersection{wxWindow::OnDropFiles}\label{wxwindowondropfiles} @@ -980,7 +1249,10 @@ Called when the background of the window needs to be erased. \wxheading{Remarks} -This event is only generated under Windows. +Under non-Windows platforms, this event is simulated (simply generated just before the +paint event) and may cause flicker. It is therefore recommended that +you set the text background colour explicitly in order to prevent flicker. +The default background colour under GTK is grey. To intercept this event, use the EVT\_ERASE\_BACKGROUND macro in an event table definition. @@ -988,6 +1260,68 @@ To intercept this event, use the EVT\_ERASE\_BACKGROUND macro in an event table \helpref{wxEraseEvent}{wxeraseevent}, \helpref{Event handling overview}{eventhandlingoverview} +\membersection{wxWindow::OnKeyDown}\label{wxwindowonkeydown} + +\func{void}{OnKeyDown}{\param{wxKeyEvent\&}{ event}} + +Called when the user has pressed a key, before it is translated into an ASCII value using other +modifier keys that might be pressed at the same time. + +\wxheading{Parameters} + +\docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for +details about this class.} + +\wxheading{Remarks} + +This member function is called in response to a key down event. To intercept this event, +use the EVT\_KEY\_DOWN macro in an event table definition. Your {\bf OnKeyDown} handler may call this +default function to achieve default keypress functionality. + +Note that not all keypresses can be intercepted this way. If you wish to intercept special +keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or +\helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}. + +Most, but not all, windows allow keypresses to be intercepted. + +{\bf Tip:} be sure to call {\tt event.Skip()} for events that you don't process in this function, +otherwise menu shortcuts may cease to work under Windows. + +\wxheading{See also} + +\helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyUp}{wxwindowonkeyup},\rtfsp +\helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp +\helpref{Event handling overview}{eventhandlingoverview} + +\membersection{wxWindow::OnKeyUp}\label{wxwindowonkeyup} + +\func{void}{OnKeyUp}{\param{wxKeyEvent\&}{ event}} + +Called when the user has released a key. + +\wxheading{Parameters} + +\docparam{event}{Object containing keypress information. See \helpref{wxKeyEvent}{wxkeyevent} for +details about this class.} + +\wxheading{Remarks} + +This member function is called in response to a key up event. To intercept this event, +use the EVT\_KEY\_UP macro in an event table definition. Your {\bf OnKeyUp} handler may call this +default function to achieve default keypress functionality. + +Note that not all keypresses can be intercepted this way. If you wish to intercept special +keys, such as shift, control, and function keys, then you will need to use \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown} or +\helpref{wxWindow::OnKeyUp}{wxwindowonkeyup}. + +Most, but not all, windows allow key up events to be intercepted. + +\wxheading{See also} + +\helpref{wxWindow::OnChar}{wxwindowonchar}, \helpref{wxWindow::OnKeyDown}{wxwindowonkeydown},\rtfsp +\helpref{wxKeyEvent}{wxkeyevent}, \helpref{wxWindow::OnCharHook}{wxwindowoncharhook},\rtfsp +\helpref{Event handling overview}{eventhandlingoverview} + \membersection{wxWindow::OnKillFocus}\label{wxwindowonkillfocus} \func{void}{OnKillFocus}{\param{wxFocusEvent\& }{event}} @@ -1011,14 +1345,16 @@ Most, but not all, windows respond to this event. \membersection{wxWindow::OnIdle}\label{wxwindowonidle} -\func{void}{Onidle}{\param{wxIdleEvent\& }{event}} +\func{void}{OnIdle}{\param{wxIdleEvent\& }{event}} Provide this member function for any processing which needs to be done when the application is idle. \wxheading{See also} -\helpref{wxApp::OnIdle}{wxapponidle}, \helpref{wxIdleEvent}{wxidleevent} +%% GD: OnXXX functions are not documented +%%\helpref{wxApp::OnIdle}{wxapponidle} +\helpref{wxIdleEvent}{wxidleevent} \membersection{wxWindow::OnInitDialog}\label{wxwindowoninitdialog} @@ -1154,13 +1490,14 @@ Sent to the event handler when the window must be refreshed. Use the EVT\_PAINT macro in an event table definition to intercept paint events. -In a paint event handler, the application should always create a \helpref{wxPaintDC}{wxpaintdc} object. +Note that In a paint event handler, the application must {\it always} create a \helpref{wxPaintDC}{wxpaintdc} object, +even if you do not use it. Otherwise, under MS Windows, refreshing for this and other windows will go wrong. For example: \small{% \begin{verbatim} - void MyWindow::OnPaint(wxPaintEvent& event) + void MyWindow::OnPaint(wxPaintEvent\& event) { wxPaintDC dc(this); @@ -1180,13 +1517,13 @@ Here is an example of using the \helpref{wxRegionIterator}{wxregioniterator} cla {\small% \begin{verbatim} // Called when window needs to be repainted. -void MyWindow::OnPaint(wxPaintEvent& event) +void MyWindow::OnPaint(wxPaintEvent\& event) { wxPaintDC dc(this); // Find Out where the window is scrolled to int vbX,vbY; // Top left corner of client - ViewStart(&vbX,&vbY); + GetViewStart(&vbX,&vbY); int vX,vY,vW,vH; // Dimensions of client area in pixels wxRegionIterator upd(GetUpdateRegion()); // get the update rect list @@ -1217,9 +1554,11 @@ void MyWindow::OnPaint(wxPaintEvent& event) \helpref{wxPaintDC}{wxpaintdc},\rtfsp \helpref{Event handling overview}{eventhandlingoverview} -\func{void}{OnScroll}{\param{wxScrollEvent\& }{event}} +\membersection{wxWindow::OnScroll}\label{wxwindowonscroll} + +\func{void}{OnScroll}{\param{wxScrollWinEvent\& }{event}} -Called when a scroll event is received from one of the window's built-in scrollbars. +Called when a scroll window event is received from one of the window's built-in scrollbars. \wxheading{Parameters} @@ -1235,7 +1574,7 @@ for horizontal events). \wxheading{See also} -\helpref{wxScrollEvent}{wxscrollevent},\rtfsp +\helpref{wxScrollWinEvent}{wxscrollwinevent},\rtfsp \helpref{Event handling overview}{eventhandlingoverview} \membersection{wxWindow::OnSetFocus}\label{wxwindowonsetfocus} @@ -1277,6 +1616,11 @@ Note that the size passed is of the whole window: call \helpref{wxWindow::GetClientSize}{wxwindowgetclientsize} for the area which may be used by the application. +When a window is resized, usually only a small part of the window is damaged and you +may only need to repaint that area. However, if your drawing depends on the size of the window, +you may need to clear the DC explicitly and repaint the whole window. In which case, you +may need to call \helpref{wxWindow::Refresh}{wxwindowrefresh} to invalidate the entire window. + \wxheading{See also} \helpref{wxSizeEvent}{wxsizeevent},\rtfsp @@ -1286,7 +1630,7 @@ used by the application. \func{void}{OnSysColourChanged}{\param{wxOnSysColourChangedEvent\& }{event}} -Called when the user has changed the system colours. +Called when the user has changed the system colours. Windows only. \wxheading{Parameters} @@ -1318,25 +1662,42 @@ default value is FALSE.} \membersection{wxWindow::PopupMenu}\label{wxwindowpopupmenu} -\func{virtual bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{int }{x}, \param{int }{y}} +\func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{const wxPoint\& }{pos}} + +\func{bool}{PopupMenu}{\param{wxMenu* }{menu}, \param{int }{x}, \param{int }{y}} Pops up the given menu at the specified coordinates, relative to this window, and returns control when the user has dismissed the menu. If a -menu item is selected, the callback defined for the menu is called with -wxMenu and wxCommandEvent reference arguments. The callback should access -the commandInt member of the event to check the selected menu identifier. +menu item is selected, the corresponding menu event is generated and will be +processed as usually. \wxheading{Parameters} \docparam{menu}{Menu to pop up.} +\docparam{pos}{The position where the menu will appear.} + \docparam{x}{Required x position for the menu to appear.} \docparam{y}{Required y position for the menu to appear.} \wxheading{See also} -\helpref{wxMenu}{wxmenu}, \helpref{wxWindow::FakePopupMenu}{wxwindowfakepopupmenu} +\helpref{wxMenu}{wxmenu} + +\wxheading{Remarks} + +Just before the menu is popped up, \helpref{wxMenu::UpdateUI}{wxmenuupdateui} is called +to ensure that the menu items are in the correct state. The menu does not get deleted +by the window. + +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf PopupMenu(menu, point)}}{Specifies position with a wxPoint} +\twocolitem{{\bf PopupMenuXY(menu, x, y)}}{Specifies position with two integers (x, y)} +\end{twocollist}} +} \membersection{wxWindow::PushEventHandler}\label{wxwindowpusheventhandler} @@ -1378,7 +1739,7 @@ or frame). \membersection{wxWindow::Refresh}\label{wxwindowrefresh} -\func{virtual void}{Refresh}{\param{const bool}{ eraseBackground = TRUE}, \param{const wxRect* }{rect +\func{virtual void}{Refresh}{\param{bool}{ eraseBackground = TRUE}, \param{const wxRect* }{rect = NULL}} Causes a message or event to be generated to repaint the @@ -1413,6 +1774,18 @@ functions so should not be required by the application programmer. \docparam{child}{Child window to remove.} +\membersection{wxWindow::Reparent}\label{wxwindowreparent} + +\func{virtual bool}{Reparent}{\param{wxWindow* }{newParent}} + +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. + +\wxheading{Parameters} + +\docparam{newParent}{New parent.} + \membersection{wxWindow::ScreenToClient}\label{wxwindowscreentoclient} \constfunc{virtual void}{ScreenToClient}{\param{int* }{x}, \param{int* }{y}} @@ -1429,11 +1802,63 @@ Converts from screen to client window coordinates. \docparam{pt}{The screen position for the second form of the function.} +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf ScreenToClient(point)}}{Accepts and returns a wxPoint} +\twocolitem{{\bf ScreenToClientXY(x, y)}}{Returns a 2-tuple, (x, y)} +\end{twocollist}} +} + +\membersection{wxWindow::ScrollLines}\label{wxwindowscrolllines} + +\func{virtual bool}{ScrollLines}{\param{int }{lines}} + +Scrolls the window by the given number of lines down (if {\it lines} is +positive) or up. + +\wxheading{Return value} + +Returns {\tt TRUE} if the window was scrolled, {\tt FALSE} if it was already +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). + +\wxheading{See also} + +\helpref{ScrollPages}{wxwindowscrollpages} + +\membersection{wxWindow::ScrollPages}\label{wxwindowscrollpages} + +\func{virtual bool}{ScrollPages}{\param{int }{pages}} + +Scrolls the window by the given number of pages down (if {\it pages} is +positive) or up. + +\wxheading{Return value} + +Returns {\tt TRUE} if the window was scrolled, {\tt FALSE} if it was already +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). + +\wxheading{See also} + +\helpref{ScrollLines}{wxwindowscrolllines} + \membersection{wxWindow::ScrollWindow}\label{wxwindowscrollwindow} \func{virtual void}{ScrollWindow}{\param{int }{dx}, \param{int }{dy}, \param{const wxRect*}{ rect = NULL}} -Physically scrolls the pixels in the window. +Physically scrolls the pixels in the window and move child windows accordingly. \wxheading{Parameters} @@ -1443,14 +1868,12 @@ Physically scrolls the pixels in the window. \docparam{rect}{Rectangle to invalidate. If this is NULL, the whole window is invalidated. If you pass a rectangle corresponding to the area of the window exposed by the scroll, your painting handler -can optimise painting by checking for the invalidated region.} +can optimize painting by checking for the invalidated region. This parameter is ignored under GTK.} \wxheading{Remarks} -Available only under Windows. - Use this function to optimise your scrolling implementations, to minimise the area that must be -redrawn. +redrawn. Note that it is rarely required to call this function from a user program. \membersection{wxWindow::SetAcceleratorTable}\label{wxwindowsetacceleratortable} @@ -1460,10 +1883,13 @@ Sets the accelerator table for this window. See \helpref{wxAcceleratorTable}{wxa \membersection{wxWindow::SetAutoLayout}\label{wxwindowsetautolayout} -\func{void}{SetAutoLayout}{\param{const bool}{ autoLayout}} +\func{void}{SetAutoLayout}{\param{bool}{ autoLayout}} Determines whether the \helpref{wxWindow::Layout}{wxwindowlayout} function will -be called automatically when the window is resized. +be called automatically when the window is resized. Use in connection with +\helpref{wxWindow::SetSizer}{wxwindowsetsizer} and +\helpref{wxWindow::SetConstraints}{wxwindowsetconstraints} for laying out +subwindows. \wxheading{Parameters} @@ -1487,15 +1913,79 @@ Sets the background colour of the window. \wxheading{Remarks} The background colour is usually painted by the default\rtfsp -\helpref{wxWindow::OnEraseBackground}{wxwindowonerasebackground} event handler function. +\helpref{wxWindow::OnEraseBackground}{wxwindowonerasebackground} event handler function +under Windows and automatically under GTK. + +Note that setting the background colour does not cause an immediate refresh, so you +may wish to call \helpref{wxWindow::Clear}{wxwindowclear} or \helpref{wxWindow::Refresh}{wxwindowrefresh} after +calling this function. + +Use this function with care under GTK as the new appearance of the window might +not look equally well when used with "Themes", i.e GTK's ability to change its +look as the user wishes with run-time loadable modules. \wxheading{See also} \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour},\rtfsp \helpref{wxWindow::SetForegroundColour}{wxwindowsetforegroundcolour},\rtfsp \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp +\helpref{wxWindow::Clear}{wxwindowclear},\rtfsp +\helpref{wxWindow::Refresh}{wxwindowrefresh},\rtfsp \helpref{wxWindow::OnEraseBackground}{wxwindowonerasebackground} +\membersection{wxWindow::SetCaret}\label{wxwindowsetcaret} + +\constfunc{void}{SetCaret}{\param{wxCaret *}{caret}} + +Sets the \helpref{caret}{wxcaret} associated with the window. + +\membersection{wxWindow::SetClientSize}\label{wxwindowsetclientsize} + +\func{virtual void}{SetClientSize}{\param{int}{ width}, \param{int}{ height}} + +\func{virtual void}{SetClientSize}{\param{const wxSize\&}{ size}} + +This sets the size of the window client area in pixels. Using this function to size a window +tends to be more device-independent than \helpref{wxWindow::SetSize}{wxwindowsetsize}, since the application need not +worry about what dimensions the border or title bar have when trying to fit the window +around panel items, for example. + +\wxheading{Parameters} + +\docparam{width}{The required client area width.} + +\docparam{height}{The required client area height.} + +\docparam{size}{The required client size.} + +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf SetClientSize(size)}}{Accepts a wxSize} +\twocolitem{{\bf SetClientSizeWH(width, height)}}{} +\end{twocollist}} +} + +\membersection{wxWindow::SetCursor}\label{wxwindowsetcursor} + +\func{virtual void}{SetCursor}{\param{const wxCursor\&}{cursor}} + +% VZ: the docs are correct, if the code doesn't behave like this, it must be +% changed +Sets the window's cursor. Notice that the window cursor also sets it for the +children of the window implicitly. + +The {\it cursor} may be {\tt wxNullCursor} in which case the window cursor will +be reset back to default. + +\wxheading{Parameters} + +\docparam{cursor}{Specifies the cursor that the window should normally display.} + +\wxheading{See also} + +\helpref{::wxSetCursor}{wxsetcursor}, \helpref{wxCursor}{wxcursor} + \membersection{wxWindow::SetConstraints}\label{wxwindowsetconstraints} \func{void}{SetConstraints}{\param{wxLayoutConstraints* }{constraints}} @@ -1513,8 +2003,66 @@ constraints.} \wxheading{Remarks} You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use -the constraints automatically in OnSize; otherwise, you must -override OnSize and call Layout explicitly. +the constraints automatically in OnSize; otherwise, you must override OnSize and call Layout() +explicitly. When setting both a wxLayoutConstraints and a \helpref{wxSizer}{wxsizer}, only the +sizer will have effect. + +\membersection{wxWindow::SetDropTarget}\label{wxwindowsetdroptarget} + +\func{void}{SetDropTarget}{\param{wxDropTarget*}{ target}} + +Associates a drop target with this window. + +If the window already has a drop target, it is deleted. + +\wxheading{See also} + +\helpref{wxWindow::GetDropTarget}{wxwindowgetdroptarget}, +\helpref{Drag and drop overview}{wxdndoverview} + +\membersection{wxWindow::SetEventHandler}\label{wxwindowseteventhandler} + +\func{void}{SetEventHandler}{\param{wxEvtHandler* }{handler}} + +Sets the event handler for this window. + +\wxheading{Parameters} + +\docparam{handler}{Specifies the handler to be set.} + +\wxheading{Remarks} + +An event handler is an object that is capable of processing the events +sent to a window. By default, the window is its own event handler, but +an application may wish to substitute another, for example to allow +central implementation of event-handling for a variety of different +window classes. + +It is usually better to use \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} since +this sets up a chain of event handlers, where an event not handled by one event handler is +handed to the next one in the chain. + +\wxheading{See also} + +\helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp +\helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp +\helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp +\helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp +\helpref{wxEvtHandler}{wxevthandler} + +\membersection{wxWindow::SetExtraStyle}\label{wxwindowsetextrastyle} + +\func{void}{SetExtraStyle}{\param{long }{exStyle}} + +Sets the extra style bits for the window. The currently defined extra style +bits are: + +\twocolwidtha{5cm}% +\begin{twocollist}\itemsep=0pt +\twocolitem{\windowstyle{wxWS\_EX\_VALIDATE\_RECURSIVELY}}{TransferDataTo/FromWindow() +and Validate() methods will recursively descend into all children of the +window if it has this style flag set.} +\end{twocollist} \membersection{wxWindow::SetFocus}\label{wxwindowsetfocus} @@ -1552,12 +2100,29 @@ The interpretation of foreground colour is open to interpretation according to the window class; it may be the text colour or other colour, or it may not be used at all. +Note that when using this functions under GTK, you will disable the so called "themes", +i.e. the user chosen apperance of windows and controls, including the themes of +their parent windows. + \wxheading{See also} \helpref{wxWindow::GetForegroundColour}{wxwindowgetforegroundcolour},\rtfsp \helpref{wxWindow::SetBackgroundColour}{wxwindowsetbackgroundcolour},\rtfsp \helpref{wxWindow::GetBackgroundColour}{wxwindowgetbackgroundcolour} +\membersection{wxWindow::SetHelpText}\label{wxwindowsethelptext} + +\func{virtual void}{SetHelpText}{\param{const wxString\& }{helpText}} + +Sets the help text to be used as context-sensitive help for this window. + +Note that the text is actually stored by the current \helpref{wxHelpProvider}{wxhelpprovider} implementation, +and not in the window object itself. + +\wxheading{See also} + +\helpref{GetHelpText}{wxwindowgethelptext}, \helpref{wxHelpProvider}{wxhelpprovider} + \membersection{wxWindow::SetId}\label{wxwindowsetid} \func{void}{SetId}{\param{int}{ id}} @@ -1570,13 +2135,10 @@ Each window has an integer identifier. If the application has not provided one, an identifier will be generated. Normally, the identifier should be provided on creation and should not be modified subsequently. -TODO: perhaps there should be a default identifier for each class, rather -choosing one, which could clash with other ones. - \wxheading{See also} -\helpref{wxWindow::GetId}{wxwindowgetid} - +\helpref{wxWindow::GetId}{wxwindowgetid},\rtfsp +\helpref{Window identifiers}{windowids} \membersection{wxWindow::SetName}\label{wxwindowsetname} @@ -1592,31 +2154,17 @@ Sets the window's name. \helpref{wxWindow::GetName}{wxwindowgetname} -\membersection{wxWindow::SetReturnCode}\label{wxwindowsetreturncode} - -\func{void}{SetReturnCode}{\param{int }{retCode}} +\membersection{wxWindow::SetPalette}\label{wxwindowsetpalette} -Sets the return code for this window. - -\wxheading{Parameters} - -\docparam{retCode}{The integer return code, usually a control identifier.} - -\wxheading{Remarks} - -A return code is normally associated with a modal dialog, where \helpref{wxDialog::ShowModal}{wxdialogshowmodal} returns -a code to the application. The function \helpref{wxDialog::EndModal}{wxdialogendmodal} calls {\bf SetReturnCode}. - -\wxheading{See also} +\func{virtual void}{SetPalette}{\param{wxPalette* }{palette}} -\helpref{wxWindow::GetReturnCode}{wxwindowgetreturncode}, \helpref{wxDialog::ShowModal}{wxdialogshowmodal},\rtfsp -\helpref{wxDialog::EndModal}{wxdialogendmodal} +Obsolete - use \helpref{wxDC::SetPalette}{wxdcsetpalette} instead. \membersection{wxWindow::SetScrollbar}\label{wxwindowsetscrollbar} \func{virtual void}{SetScrollbar}{\param{int }{orientation}, \param{int }{position},\rtfsp \param{int }{thumbSize}, \param{int }{range},\rtfsp -\param{const bool }{refresh = TRUE}} +\param{bool }{refresh = TRUE}} Sets the scrollbar properties of a built-in scrollbar. @@ -1665,7 +2213,7 @@ from your \helpref{wxWindow::OnSize}{wxwindowonsize} event handler function. \begin{comment} \membersection{wxWindow::SetScrollPage}\label{wxwindowsetscrollpage} -\func{virtual void}{SetScrollPage}{\param{int }{orientation}, \param{int }{pageSize}, \param{const bool }{refresh = TRUE}} +\func{virtual void}{SetScrollPage}{\param{int }{orientation}, \param{int }{pageSize}, \param{bool }{refresh = TRUE}} Sets the page size of one of the built-in scrollbars. @@ -1703,7 +2251,7 @@ handling of pages and ranges. \membersection{wxWindow::SetScrollPos}\label{wxwindowsetscrollpos} -\func{virtual void}{SetScrollPos}{\param{int }{orientation}, \param{int }{pos}, \param{const bool }{refresh = TRUE}} +\func{virtual void}{SetScrollPos}{\param{int }{orientation}, \param{int }{pos}, \param{bool }{refresh = TRUE}} Sets the position of one of the built-in scrollbars. @@ -1730,7 +2278,7 @@ application to take note of scrollbar attributes and redraw contents accordingly \begin{comment} \membersection{wxWindow::SetScrollRange}\label{wxwindowsetscrollrange} -\func{virtual void}{SetScrollRange}{\param{int }{orientation}, \param{int }{range}, \param{const bool }{refresh = TRUE}} +\func{virtual void}{SetScrollRange}{\param{int }{orientation}, \param{int }{range}, \param{bool }{refresh = TRUE}} Sets the range of one of the built-in scrollbars. @@ -1819,6 +2367,15 @@ by wxWindows, or that the current value of the dimension should be used. \helpref{wxWindow::Move}{wxwindowmove} +\pythonnote{In place of a single overloaded method name, wxPython +implements the following methods:\par +\indented{2cm}{\begin{twocollist} +\twocolitem{{\bf SetDimensions(x, y, width, height, sizeFlags=wxSIZE\_AUTO)}}{} +\twocolitem{{\bf SetSize(size)}}{} +\twocolitem{{\bf SetPosition(point)}}{} +\end{twocollist}} +} + \membersection{wxWindow::SetSizeHints}\label{wxwindowsetsizehints} \func{virtual void}{SetSizeHints}{\param{int}{ minW=-1}, \param{int}{ minH=-1}, \param{int}{ maxW=-1}, \param{int}{ maxH=-1}, @@ -1848,110 +2405,111 @@ given bounds. The resizing increments are only significant under Motif or Xt. -\membersection{wxWindow::SetClientSize} - -\func{virtual void}{SetClientSize}{\param{int}{ width}, \param{int}{ height}} +\membersection{wxWindow::SetSizer}\label{wxwindowsetsizer} -\func{virtual void}{SetClientSize}{\param{const wxSize\&}{ size}} +\func{void}{SetSizer}{\param{wxSizer* }{sizer}} -This sets the size of the window client area in pixels. Using this function to size a window -tends to be more device-independent than \helpref{wxWindow::SetSize}{wxwindowsetsize}, since the application need not -worry about what dimensions the border or title bar have when trying to fit the window -around panel items, for example. +Sets the window to have the given layout sizer. The window +will then own the object, and will take care of its deletion. +If an existing layout constraints object is already owned by the +window, it will be deleted. \wxheading{Parameters} -\docparam{width}{The required client area width.} +\docparam{sizer}{The sizer to set. Pass NULL to disassociate and delete the window's +sizer.} -\docparam{height}{The required client area height.} +\wxheading{Remarks} -\docparam{size}{The required client size.} +You must call \helpref{wxWindow::SetAutoLayout}{wxwindowsetautolayout} to tell a window to use +the sizer automatically in OnSize; otherwise, you must override OnSize and call Layout() +explicitly. When setting both a wxSizer and a \helpref{wxLayoutConstraints}{wxlayoutconstraints}, +only the sizer will have effect. -\membersection{wxWindow::SetPalette} +\membersection{wxWindow::SetTitle}\label{wxwindowsettitle} -\func{virtual void}{SetPalette}{\param{wxPalette* }{palette}} +\func{virtual void}{SetTitle}{\param{const wxString\& }{title}} -Obsolete - use \helpref{wxDC::SetPalette}{wxdcsetpalette} instead. +Sets the window's title. Applicable only to frames and dialogs. -\membersection{wxWindow::SetCursor}\label{wxwindowsetcursor} +\wxheading{Parameters} -\func{virtual void}{SetCursor}{\param{const wxCursor\&}{cursor}} +\docparam{title}{The window's title.} -Sets the window's cursor. +\wxheading{See also} -\wxheading{Parameters} +\helpref{wxWindow::GetTitle}{wxwindowgettitle} -\docparam{cursor}{Specifies the cursor that the window should normally display.} +\membersection{wxWindow::SetValidator}\label{wxwindowsetvalidator} -\wxheading{Remarks} +\func{virtual void}{SetValidator}{\param{const wxValidator\&}{ validator}} -Under Windows, you sometimes need to call ::wxSetCursor in addition to this -function if you want the cursor to change immediately, because under Windows, -wxWindows only sets the global cursor when it detects mouse movement. +Deletes the current validator (if any) and sets the window validator, having called wxValidator::Clone to +create a new validator of this type. -\wxheading{See also} +\membersection{wxWindow::SetToolTip}\label{wxwindowsettooltip} -\helpref{::wxSetCursor}{wxsetcursor}, \helpref{wxCursor}{wxcursor} +\func{void}{SetToolTip}{\param{const wxString\& }{tip}} -\membersection{wxWindow::SetEventHandler}\label{wxwindowseteventhandler} +\func{void}{SetToolTip}{\param{wxToolTip* }{tip}} -\func{void}{SetEventHandler}{\param{wxEvtHandler* }{handler}} +Attach a tooltip to the window. -Sets the event handler for this window. +See also: \helpref{GetToolTip}{wxwindowgettooltip}, + \helpref{wxToolTip}{wxtooltip} -\wxheading{Parameters} -\docparam{handler}{Specifies the handler to be set.} +\membersection{wxWindow::GetToolTip}\label{wxwindowgettooltip} -\wxheading{Remarks} +\constfunc{wxToolTip*}{GetToolTip}{\void} -An event handler is an object that is capable of processing the events -sent to a window. By default, the window is its own event handler, but -an application may wish to substitute another, for example to allow -central implementation of event-handling for a variety of different -window classes. +Get the associated tooltip or NULL if none. -It is usually better to use \helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler} since -this sets up a chain of event handlers, where an event not handled by one event handler is -handed to the next one in the chain. -\wxheading{See also} -\helpref{wxWindow::GetEventHandler}{wxwindowgeteventhandler},\rtfsp -\helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler},\rtfsp -\helpref{wxWindow::PopEventHandler}{wxwindowpusheventhandler},\rtfsp -\helpref{wxEvtHandler::ProcessEvent}{wxevthandlerprocessevent},\rtfsp -\helpref{wxEvtHandler}{wxevthandler} +\membersection{wxWindow::SetWindowStyle}\label{wxwindowsetwindowstyle} -\membersection{wxWindow::SetTitle}\label{wxwindowsettitle} +\func{void}{SetWindowStyle}{\param{long}{ style}} -\func{virtual void}{SetTitle}{\param{const wxString\& }{title}} +Identical to \helpref{SetWindowStyleFlag}{wxwindowsetwindowstyleflag}. -Sets the window's title. Applicable only to frames and dialogs. +\membersection{wxWindow::SetWindowStyleFlag}\label{wxwindowsetwindowstyleflag} -\wxheading{Parameters} +\func{virtual void}{SetWindowStyleFlag}{\param{long}{ style}} -\docparam{title}{The window's title.} +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. + +See \helpref{Window styles}{windowstyles} for more information about flags. \wxheading{See also} -\helpref{wxWindow::GetTitle}{wxwindowgettitle} +\helpref{GetWindowStyleFlag}{wxwindowgetwindowstyleflag} -\membersection{wxWindow::Show} +\membersection{wxWindow::Show}\label{wxwindowshow} -\func{virtual bool}{Show}{\param{const bool}{ show}} +\func{virtual bool}{Show}{\param{bool}{ show}} -Shows or hides the window. +Shows or hides the window. You may need to call \helpref{Raise}{wxwindowraise} +for a top level window if you want to bring it to top, although this is not +needed if Show() is called immediately after the frame creation. \wxheading{Parameters} -\docparam{show}{If TRUE, displays the window and brings it to the front. Otherwise, -hides the window.} +\docparam{show}{If TRUE displays the window. Otherwise, hides it.} \wxheading{See also} \helpref{wxWindow::IsShown}{wxwindowisshown} +\membersection{wxWindow::Thaw}\label{wxwindowthaw} + +\func{virtual void}{Thaw}{\void} + +Reenables window updating after a previous call to +\helpref{Freeze}{wxwindowfreeze}. + \membersection{wxWindow::TransferDataFromWindow}\label{wxwindowtransferdatafromwindow} \func{virtual bool}{TransferDataFromWindow}{\void} @@ -1959,6 +2517,9 @@ hides the window.} Transfers values from child controls to data areas specified by their validators. Returns FALSE if a transfer failed. +If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set, +the method will also call TransferDataFromWindow() of all child windows. + \wxheading{See also} \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow},\rtfsp @@ -1970,6 +2531,9 @@ FALSE if a transfer failed. Transfers values to child controls from data areas specified by their validators. +If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set, +the method will also call TransferDataToWindow() of all child windows. + \wxheading{Return value} Returns FALSE if a transfer failed. @@ -1985,6 +2549,9 @@ Returns FALSE if a transfer failed. Validates the current values of the child controls using their validators. +If the window has {\tt wxWS\_EX\_VALIDATE\_RECURSIVELY} extra style flag set, +the method will also call Validate() of all child windows. + \wxheading{Return value} Returns FALSE if any of the validations failed.