1999-07-10 21:17:24 +00:00
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% htmlwindow.tex at 14/Mar/99 20:13:37
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\section{\class{wxHtmlWindow}}\label{wxhtmlwindow}
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wxHtmlWindow is probably the only class you will directly use
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unless you want to do something special (like adding new tag
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handlers or MIME filters)
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Purpose of this class is to display HTML page (either local
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file or downloaded via HTTP protocol) in a window. Width
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of window is constant - given in constructor - virtual height
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is changed dynamicly depending on page size.
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Once the window is created you can set it's content by calling
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\helpref{SetPage(text)}{wxhtmlwindowsetpage} or
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\helpref{LoadPage(filename)}{wxhtmlwindowloadpage}.
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\wxheading{Derived from}
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wxScrolledWindow
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\wxheading{Include files}
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<wxhtml/wxhtmlwin.h>
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\membersection{wxHtmlWindow::wxHtmlWindow}\label{wxhtmlwindowwxhtmlwindow}
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\func{}{wxHtmlWindow}{\void}
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Default constructor.
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1999-08-04 00:00:16 +00:00
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\func{}{wxHtmlWindow}{\param{wxWindow }{*parent}, \param{wxWindowID }{id = -1}, \param{const wxPoint\& }{pos = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize}, \param{long }{style = wxHW_SCROLLBAR_AUTO}, \param{const wxString\& }{name = "htmlWindow"}}
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1999-07-10 21:17:24 +00:00
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Constructor. The parameters are same as in wxScrollWindow ctor.
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(Too lazy to document it once again... :-)
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\wxheading{Parameters}
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1999-08-05 22:05:15 +00:00
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\docparam{style}{wxHW\_SCROLLBAR\_NEVER, or wxHW\_SCROLLBAR\_AUTO.
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Affects appearance of vertical scrollbar in the window.}
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1999-07-10 21:17:24 +00:00
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\membersection{wxHtmlWindow::SetPage}\label{wxhtmlwindowsetpage}
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\func{bool}{SetPage}{\param{const wxString\& }{source}}
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Sets HTML page and display it. This won't {\bf load} the page!!
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It will display the {\it source}. See example:
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\begin{verbatim}
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htmlwin -> SetPage("<html><body>Hello, world!</body></html>");
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\end{verbatim}
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If you want to load document from some location use
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\helpref{LoadPage}{wxhtmlwindowloadpage} instead.
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\wxheading{Parameters}
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\docparam{source}{The HTML document source to be displayed.}
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\wxheading{Return value}
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FALSE if an error occured, TRUE otherwise
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\membersection{wxHtmlWindow::LoadPage}\label{wxhtmlwindowloadpage}
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\func{bool}{LoadPage}{\param{const wxString\& }{location}}
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Unlike SetPage this function first loads HTML page from {\it location}
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and then displays it. See example:
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\begin{verbatim}
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htmlwin -> SetPage("help/myproject/index.htm");
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\end{verbatim}
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\wxheading{Parameters}
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\docparam{location}{The address of document. See \helpref{wxFileSystem}{wxfilesystem} for details on address format and behaviour of "opener".}
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\wxheading{Return value}
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FALSE if an error occured, TRUE otherwise
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\membersection{wxHtmlWindow::GetOpenedPage}\label{wxhtmlwindowgetopenedpage}
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\func{wxString}{GetOpenedPage}{\void}
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Returns full location of the opened page. If no page is opened or if the displayed page wasn't
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produced by call to LoadPage, empty string is returned.
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\membersection{wxHtmlWindow::SetRelatedFrame}\label{wxhtmlwindowsetrelatedframe}
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\func{void}{SetRelatedFrame}{\param{wxFrame* }{frame}, \param{const wxString\& }{format}}
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Sets frame in which page title will be displayed. {\it format} is format of
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frame title, e.g. "HtmlHelp : \%s". It must contain exactly one \%s. This
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\%s is substituted with HTML page title.
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\membersection{wxHtmlWindow::GetRelatedFrame}\label{wxhtmlwindowgetrelatedframe}
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\constfunc{wxFrame*}{GetRelatedFrame}{\void}
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Returns the related frame.
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\membersection{wxHtmlWindow::SetRelatedStatusBar}\label{wxhtmlwindowsetrelatedstatusbar}
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\func{void}{SetRelatedStatusBar}{\param{int }{bar}}
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{\bf After} calling \helpref{SetRelatedFrame}{wxhtmlwindowsetrelatedframe},
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this sets statusbar slot where messages will be displayed.
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(Default is -1 = no messages.)
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\wxheading{Parameters}
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\docparam{bar}{statusbar slot number (0..n)}
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\membersection{wxHtmlWindow::SetFonts}\label{wxhtmlwindowsetfonts}
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\func{void}{SetFonts}{\param{wxString }{normal\_face}, \param{int }{normal\_italic\_mode}, \param{wxString }{fixed\_face}, \param{int }{fixed\_italic\_mode}, \param{int }{*sizes}}
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This function sets font sizes and faces.
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\wxheading{Parameters}
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\docparam{normal_face}{This is face name for normal (i.e. non-fixed) font.
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It can be either empty string (then the default face is choosen) or
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platform-specific face name. Examples are "helvetica" under Unix or
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"Times New Roman" under Windows.}
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\docparam{normal_italic_mode}{This is either wxSLANT or wxITALIC.
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It determines how
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italic (<I>..</I>) text is handled. See wxFont documentation for
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details. For example you should use wxSLANT in conjuction with
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"helvetica" face or wxITALIC with "times" face.}
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\docparam{fixed_face}{The same thing for fixed face ( <TT>..</TT> )}
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\docparam{fixed_italic_mode}{The same thing for fixed face.}
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\docparam{sizes}{This is an array of 7 items of {\it int} type.
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The values represent size of font with HTML size from -2 to +4
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( <FONT SIZE=-2> to <FONT SIZE=+4> )}
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\wxheading{Defaults}
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Under wxGTK:
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\begin{verbatim}
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SetFonts("", wxSLANT, "", wxSLANT, {10, 12, 14, 16, 19, 24, 32});
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\end{verbatim}
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Under Windows:
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\begin{verbatim}
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SetFonts("", wxSLANT, "", wxSLANT, {7, 8, 10, 12, 16, 22, 30});
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\end{verbatim}
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Athough it seems different the fact is that the fonts are of approximately
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same size under both platforms (due to wxMSW / wxGTK inconsistency)
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\membersection{wxHtmlWindow::SetBorders}\label{wxhtmlwindowsetborders}
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\func{void}{SetBorders}{\param{int }{b}}
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This function sets the space between border of window and HTML contents. See image:
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\image{}{border.bmp}
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\wxheading{Parameters}
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\docparam{b}{indentation from borders in pixels}
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\membersection{wxHtmlWindow::ReadCustomization}\label{wxhtmlwindowreadcustomization}
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\func{virtual void}{ReadCustomization}{\param{wxConfigBase }{*cfg}, \param{wxString }{path = wxEmptyString}}
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This reads custom settings from wxConfig. It uses the path 'path'
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if given, otherwise it saves info into currently selected path.
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The values are stored in sub-path {\tt wxHtmlWindow}
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Read values : all things set by SetFonts, SetBorders.
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\wxheading{Parameters}
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\docparam{cfg}{wxConfig from which you wanna read configuration}
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\docparam{path}{Optional path in config tree. If not given current path is used.}
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\membersection{wxHtmlWindow::WriteCustomization}\label{wxhtmlwindowwritecustomization}
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\func{virtual void}{WriteCustomization}{\param{wxConfigBase }{*cfg}, \param{wxString }{path = wxEmptyString}}
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Saves custom settings into wxConfig. It uses the path 'path'
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if given, otherwise it saves info into currently selected path.
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Regardless path is given or not the function creates sub-path
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{\tt wxHtmlWindow}
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Saved values : all things set by SetFonts, SetBorders.
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\wxheading{Parameters}
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\docparam{cfg}{wxConfig to which you wanna save configuration}
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\docparam{path}{Optional path in config tree. If not given current path is used.}
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\membersection{wxHtmlWindow::GetInternalRepresentation}\label{wxhtmlwindowgetinternalrepresentation}
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\constfunc{wxHtmlContainerCell*}{GetInternalRepresentation}{\void}
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Returns pointer to the top-level container.
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1999-08-05 22:05:15 +00:00
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See also: \helpref{Cells Overview}{cells},
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\helpref{Printing Overview}{printing}
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\membersection{wxHtmlWindow::AddFilter}\label{wxhtmlwindowaddfilter}
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\func{static void}{AddFilter}{\param{wxHtmlFilter }{*filter}}
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Adds \helpref{input filter}{filters} to the static list of available
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filters. These filters are present by default:
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\begin{itemize}
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\item {\tt text/html} MIME type
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\item {\tt image/*} MIME types
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\item Plain Text filter (this filter is used if no other filter matches)
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\end{itemize}
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\membersection{wxHtmlWindow::HistoryBack}\label{wxhtmlwindowhistoryback}
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\func{bool}{HistoryBack}{\void}
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Moves back to the previous page. (each page displayed using
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\helpref{LoadPage}{wxhtmlwindowloadpage} is stored in history list.)
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\membersection{wxHtmlWindow::HistoryForward}\label{wxhtmlwindowhistoryforward}
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\func{bool}{HistoryForward}{\void}
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Moves to next page in history.
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\membersection{wxHtmlWindow::HistoryClear}\label{wxhtmlwindowhistoryclear}
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\func{void}{HistoryClear}{\void}
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Clears history.
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\membersection{wxHtmlWindow::OnLinkClicked}\label{wxhtmlwindowonlinkclicked}
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\func{virtual void}{OnLinkClicked}{\param{const wxString\& }{link}}
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Called when user clicks on hypertext link. Default behaviour is to call
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\helpref{LoadPage}{wxhtmlwindowloadpage} and do nothing else.
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