106 lines
4.2 KiB
TeX
106 lines
4.2 KiB
TeX
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%% Name: hvscrolledwindow.tex
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%% Purpose: wxHVScrolledWindow Documentation
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%% Author: Bryan Petty
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%% Modified by:
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%% Created: 2007-04-04
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%% RCS-ID: $Id$
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%% Copyright: (c) 2007 wxWidgets Team
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%% License: wxWindows Licence
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\section{\class{wxHVScrolledWindow}}\label{wxhvscrolledwindow}
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This window inherits all functionality of both vertical and horizontal,
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variable scrolled windows. It automatically handles everything needed to
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scroll both axis simultaneously with both variable row heights and variable
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column widths.
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This is a generalization of the \helpref{wxScrolledWindow}{wxscrolledwindow}
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class which can be only used when all rows and columns are the same size. It
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lacks some other wxScrolledWindow features however, notably it can't scroll
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only a rectangle of the window and not its entire client area.
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To use this class, you must derive from it and implement both the
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\helpref{OnGetRowHeight()}{wxvarvscrollhelperongetrowheight} and
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\helpref{OnGetColumnWidth()}{wxvarhscrollhelperongetcolumnwidth} pure virtual
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methods to let the base class know how many rows and columns it should
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display. You also need to set the total rows and columns the window contains,
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but from that moment on the scrolling is handled entirely by
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wxHVScrolledWindow. You only need to draw the visible part of contents in
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your {\tt OnPaint()} method as usual. You should use
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\helpref{GetVisibleBegin()}{wxvarhvscrollhelpergetvisiblebegin}
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and \helpref{GetVisibleEnd()}{wxvarhvscrollhelpergetvisibleend} to select the
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lines to display. Note that the device context origin is not shifted so the
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first visible row and column always appear at the point $(0, 0)$ in physical
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as well as logical coordinates.
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\wxheading{Derived from}
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\helpref{wxPanel}{wxpanel}\\
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\helpref{wxWindow}{wxwindow}\\
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\helpref{wxEvtHandler}{wxevthandler}\\
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\helpref{wxObject}{wxobject}
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\helpref{wxVarHVScrollHelper}{wxvarhvscrollhelper}
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\helpref{wxVarVScrollHelper}{wxvarvscrollhelper}\\
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\helpref{wxVarScrollHelperBase}{wxvarscrollhelperbase}
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\helpref{wxVarHScrollHelper}{wxvarhscrollhelper}\\
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\helpref{wxVarScrollHelperBase}{wxvarscrollhelperbase}
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\wxheading{Include files}
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<wx/vscroll.h>
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\wxheading{See also}
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\helpref{wxHScrolledWindow}{wxhscrolledwindow},
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\rtfsp\helpref{wxVScrolledWindow}{wxvscrolledwindow}
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxHVScrolledWindow::wxHVScrolledWindow}\label{wxhvscrolledwindowwxhvscrolledwindow}
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\func{}{wxHVScrolledWindow}{\void}
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Default constructor, you must call \helpref{Create()}{wxhvscrolledwindowcreate}
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later.
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\func{}{wxHVScrolledWindow}{\param{wxWindow* }{parent}, \param{wxWindowID }{id = wxID\_ANY}, \param{const wxPoint\& }{pos = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize}, \param{long }{style = 0}, \param{const wxString\& }{name = wxPanelNameStr}}
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This is the normal constructor, no need to call {\tt Create()} after using this one.
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Note that {\tt wxHSCROLL} and {\tt wxVSCROLL} are always automatically added
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to our styles, there is no need to specify it explicitly.
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\wxheading{Parameters}
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\docparam{parent}{The parent window, must not be {\tt NULL}}
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\docparam{id}{The identifier of this window, {\tt wxID\_ANY} by default}
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\docparam{pos}{The initial window position}
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\docparam{size}{The initial window size}
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\docparam{style}{The window style. There are no special style bits defined for
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this class.}
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\docparam{name}{The name for this window; usually not used}
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\membersection{wxHVScrolledWindow::Create}\label{wxhvscrolledwindowcreate}
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\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id = wxID\_ANY}, \param{const wxPoint\& }{pos = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize}, \param{long }{style = 0}, \param{const wxString\& }{name = wxPanelNameStr}}
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Same as the \helpref{non-default constuctor}{wxhvscrolledwindowwxhvscrolledwindow}
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but returns status code: {\tt true} if ok, {\tt false} if the window couldn't
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be created.
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Just as with the constructor above, the {\tt wxHSCROLL} and {\tt wxVSCROLL}
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styles are always used, there is no need to specify it explicitly.
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