X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/605d715ddd84ddc3e78423e3f3ae5c27c8ff4d43..91fa114d88972cdfe698343560f3ef5d17b4eac1:/docs/latex/wx/htwindow.tex?ds=sidebyside diff --git a/docs/latex/wx/htwindow.tex b/docs/latex/wx/htwindow.tex index ce72559e2c..d38a1e0d8d 100644 --- a/docs/latex/wx/htwindow.tex +++ b/docs/latex/wx/htwindow.tex @@ -13,17 +13,37 @@ The purpose of this class is to display HTML pages (either local file or downloaded via HTTP protocol) in a window. The width of the window is constant - given in the constructor - and virtual height is changed dynamically depending on page size. -Once the window is created you can set its content by calling -\helpref{SetPage(text)}{wxhtmlwindowsetpage} or -\helpref{LoadPage(filename)}{wxhtmlwindowloadpage}. +Once the window is created you can set its content by calling +\helpref{SetPage(text)}{wxhtmlwindowsetpage}, +\helpref{LoadPage(filename)}{wxhtmlwindowloadpage} or +\helpref{LoadFile}{wxhtmlwindowloadfile}. + +\wxheading{Note} + +wxHtmlWindow uses the \helpref{wxImage}{wximage} class for displaying images. +Don't forget to initialize all image formats you need before loading any page! +(See \helpref{wxInitAllImageHandlers}{wxinitallimagehandlers} and +\helpref{wxImage::AddHandler}{wximageaddhandler}.) \wxheading{Derived from} -wxScrolledWindow +\helpref{wxScrolledWindow}{wxscrolledwindow} \wxheading{Include files} - + + +\wxheading{Window styles} + +\twocolwidtha{5cm} +\begin{twocollist}\itemsep=0pt +\twocolitem{\windowstyle{wxHW\_SCROLLBAR\_NEVER}}{Never display scrollbars, not +even when the page is larger than the window.} +\twocolitem{\windowstyle{wxHW\_SCROLLBAR\_AUTO}}{Display scrollbars only if +page's size exceeds window's size.} +\twocolitem{\windowstyle{wxHW\_NO\_SELECTION}}{Don't allow the user to select +text.} +\end{twocollist} \membersection{wxHtmlWindow::wxHtmlWindow}\label{wxhtmlwindowwxhtmlwindow} @@ -37,8 +57,7 @@ Constructor. The parameters are the same as for the \helpref{wxScrolledWindow}{w \wxheading{Parameters} -\docparam{style}{wxHW\_SCROLLBAR\_NEVER, or wxHW\_SCROLLBAR\_AUTO. -Affects the appearance of vertical scrollbar in the window.} +\docparam{style}{Window style. See \helpref{wxHtmlWindow}{wxhtmlwindow}.} \membersection{wxHtmlWindow::AddFilter}\label{wxhtmlwindowaddfilter} @@ -53,6 +72,20 @@ filters. These filters are present by default: \item Plain Text filter (this filter is used if no other filter matches) \end{itemize} +\membersection{wxHtmlWindow::AppendToPage}\label{wxhtmlwindowappendtopage} + +\func{bool}{AppendToPage}{\param{const wxString\& }{source}} + +Appends HTML fragment to currently displayed text and refreshes the window. + +\wxheading{Parameters} + +\docparam{source}{HTML code fragment} + +\wxheading{Return value} + +false if an error occurred, true otherwise. + \membersection{wxHtmlWindow::GetInternalRepresentation}\label{wxhtmlwindowgetinternalrepresentation} \constfunc{wxHtmlContainerCell*}{GetInternalRepresentation}{\void} @@ -62,6 +95,16 @@ Returns pointer to the top-level container. See also: \helpref{Cells Overview}{cells}, \helpref{Printing Overview}{printing} +\membersection{wxHtmlWindow::GetOpenedAnchor}\label{wxhtmlwindowgetopenedanchor} + +\func{wxString}{GetOpenedAnchor}{\void} + +Returns anchor within currently opened page +(see \helpref{GetOpenedPage}{wxhtmlwindowgetopenedpage}). +If no page is opened or if the displayed page wasn't +produced by call to LoadPage, empty string is returned. + + \membersection{wxHtmlWindow::GetOpenedPage}\label{wxhtmlwindowgetopenedpage} \func{wxString}{GetOpenedPage}{\void} @@ -88,6 +131,21 @@ Returns the related frame. Moves back to the previous page. (each page displayed using \helpref{LoadPage}{wxhtmlwindowloadpage} is stored in history list.) +\membersection{wxHtmlWindow::HistoryCanBack}\label{wxhtmlwindowhistorycanback} + +\func{bool}{HistoryCanBack}{\void} + +Returns true if it is possible to go back in the history (i.e. HistoryBack() +won't fail). + +\membersection{wxHtmlWindow::HistoryCanForward}\label{wxhtmlwindowhistorycanforward} + +\func{bool}{HistoryCanForward}{\void} + +Returns true if it is possible to go forward in the history (i.e. HistoryBack() +won't fail). + + \membersection{wxHtmlWindow::HistoryClear}\label{wxhtmlwindowhistoryclear} \func{void}{HistoryClear}{\void} @@ -100,15 +158,29 @@ Clears history. Moves to next page in history. +\membersection{wxHtmlWindow::LoadFile}\label{wxhtmlwindowloadfile} + +\func{virtual bool}{LoadFile}{\param{const wxFileName\& }{filename}} + +Loads HTML page from file and displays it. + +\wxheading{Return value} + +false if an error occurred, true otherwise + +\wxheading{See also} + +\helpref{LoadPage}{wxhtmlwindowloadpage} + \membersection{wxHtmlWindow::LoadPage}\label{wxhtmlwindowloadpage} -\func{bool}{LoadPage}{\param{const wxString\& }{location}} +\func{virtual bool}{LoadPage}{\param{const wxString\& }{location}} Unlike SetPage this function first loads HTML page from {\it location} and then displays it. See example: \begin{verbatim} -htmlwin -> SetPage("help/myproject/index.htm"); +htmlwin->LoadPage("help/myproject/index.htm"); \end{verbatim} \wxheading{Parameters} @@ -117,17 +189,87 @@ htmlwin -> SetPage("help/myproject/index.htm"); \wxheading{Return value} -FALSE if an error occured, TRUE otherwise +false if an error occurred, true otherwise + +\wxheading{See also} + +\helpref{LoadFile}{wxhtmlwindowloadfile} + +\membersection{wxHtmlWindow::OnCellClicked}\label{wxhtmlwindowoncellclicked} + +\func{virtual void}{OnCellClicked}{\param{wxHtmlCell }{*cell}, \param{wxCoord }{x}, \param{wxCoord }{y}, \param{const wxMouseEvent\& }{event}} + +This method is called when a mouse button is clicked inside wxHtmlWindow. +The default behaviour is to call +\helpref{OnLinkClicked}{wxhtmlwindowonlinkclicked} if the cell contains a +hypertext link. + +\wxheading{Parameters} + +\docparam{cell}{The cell inside which the mouse was clicked, always a simple +(i.e. non container) cell} + +\docparam{x, y}{The logical coordinates of the click point} + +\docparam{event}{The mouse event containing other information about the click} + +\membersection{wxHtmlWindow::OnCellMouseHover}\label{wxhtmlwindowoncellmousehover} + +\func{virtual void}{OnCellMouseHover}{\param{wxHtmlCell }{*cell}, \param{wxCoord }{x}, \param{wxCoord }{y}} + +This method is called when a mouse moves over an HTML cell. + +\wxheading{Parameters} + +\docparam{cell}{The cell inside which the mouse is currently, always a simple +(i.e. non container) cell} + +\docparam{x, y}{The logical coordinates of the click point} \membersection{wxHtmlWindow::OnLinkClicked}\label{wxhtmlwindowonlinkclicked} -\func{virtual void}{OnLinkClicked}{\param{wxHtmlLinkInfo* }{link}} +\func{virtual void}{OnLinkClicked}{\param{const wxHtmlLinkInfo\& }{link}} Called when user clicks on hypertext link. Default behaviour is to call \helpref{LoadPage}{wxhtmlwindowloadpage} and do nothing else. Also see \helpref{wxHtmlLinkInfo}{wxhtmllinkinfo}. +\membersection{wxHtmlWindow::OnOpeningURL}\label{wxhtmlwindowonopeningurl} + +\func{virtual wxHtmlOpeningStatus}{OnOpeningURL}{\param{wxHtmlURLType }{type},\param{const wxString\& }{url}, \param{wxString *}{redirect}} + +Called when an URL is being opened (either when the user clicks on a link or +an image is loaded). The URL will be opened only if OnOpeningURL returns +{\tt wxHTML\_OPEN}. This method is called by +\helpref{wxHtmlParser::OpenURL}{wxhtmlparseropenurl}. +You can override OnOpeningURL to selectively block some +URLs (e.g. for security reasons) or to redirect them elsewhere. Default +behaviour is to always return {\tt wxHTML\_OPEN}. + +\wxheading{Parameters} + +\docparam{type}{Indicates type of the resource. Is one of +\begin{twocollist}\itemsep=0pt +\twocolitem{{\bf wxHTML\_URL\_PAGE}}{Opening a HTML page.} +\twocolitem{{\bf wxHTML\_URL\_IMAGE}}{Opening an image.} +\twocolitem{{\bf wxHTML\_URL\_OTHER}}{Opening a resource that doesn't fall into +any other category.} +\end{twocollist}} + +\docparam{url}{URL being opened.} + +\docparam{redirect}{Pointer to wxString variable that must be filled with an +URL if OnOpeningURL returns {\tt wxHTML\_REDIRECT}.} + +\wxheading{Return value} +\begin{twocollist}\itemsep=0pt +\twocolitem{{\bf wxHTML\_OPEN}}{Open the URL.} +\twocolitem{{\bf wxHTML\_BLOCK}}{Deny access to the URL, \helpref{wxHtmlParser::OpenURL}{wxhtmlparseropenurl} will return NULL.} +\twocolitem{{\bf wxHTML\_REDIRECT}}{Don't open {\it url}, redirect to another +URL. OnOpeningURL must fill {\it *redirect} with the new URL. OnOpeningURL will +be called again on returned URL.} +\end{twocollist} \membersection{wxHtmlWindow::OnSetTitle}\label{wxhtmlwindowonsettitle} @@ -152,6 +294,45 @@ Read values: all things set by SetFonts, SetBorders. \docparam{path}{Optional path in config tree. If not given current path is used.} +\membersection{wxHtmlWindow::SelectAll}\label{wxhtmlwindowselectall} + +\func{void}{SelectAll}{\void} + +Selects all text in the window. + +\wxheading{See also} + +\helpref{SelectLine}{wxhtmlwindowselectline}, +\helpref{SelectWord}{wxhtmlwindowselectword} + +\membersection{wxHtmlWindow::SelectLine}\label{wxhtmlwindowselectline} + +\func{void}{SelectLine}{\param{const wxPoint\& }{pos}} + +Selects the line of text that \arg{pos} points at. Note that \arg{pos} +is relative to the top of displayed page, not to window's origin, use +\helpref{CalcUnscrolledPosition}{wxscrolledwindowcalcunscrolledposition} +to convert physical coordinate. + +\wxheading{See also} + +\helpref{SelectAll}{wxhtmlwindowselectall}, +\helpref{SelectWord}{wxhtmlwindowselectword} + +\membersection{wxHtmlWindow::SelectWord}\label{wxhtmlwindowselectword} + +\func{void}{SelectWord}{\param{const wxPoint\& }{pos}} + +Selects the word at position \arg{pos}. Note that \arg{pos} +is relative to the top of displayed page, not to window's origin, use +\helpref{CalcUnscrolledPosition}{wxscrolledwindowcalcunscrolledposition} +to convert physical coordinate. + +\wxheading{See also} + +\helpref{SelectAll}{wxhtmlwindowselectall}, +\helpref{SelectLine}{wxhtmlwindowselectline} + \membersection{wxHtmlWindow::SetBorders}\label{wxhtmlwindowsetborders} \func{void}{SetBorders}{\param{int }{b}} @@ -166,14 +347,14 @@ This function sets the space between border of window and HTML contents. See ima \membersection{wxHtmlWindow::SetFonts}\label{wxhtmlwindowsetfonts} -\func{void}{SetFonts}{\param{wxString }{normal\_face}, \param{wxString }{fixed\_face}, \param{const int }{*sizes}} +\func{void}{SetFonts}{\param{wxString }{normal\_face}, \param{wxString }{fixed\_face}, \param{const int }{*sizes = NULL}} This function sets font sizes and faces. \wxheading{Parameters} \docparam{normal\_face}{This is face name for normal (i.e. non-fixed) font. -It can be either empty string (then the default face is choosen) or +It can be either empty string (then the default face is chosen) or platform-specific face name. Examples are "helvetica" under Unix or "Times New Roman" under Windows.} @@ -181,24 +362,14 @@ platform-specific face name. Examples are "helvetica" under Unix or \docparam{sizes}{This is an array of 7 items of {\it int} type. The values represent size of font with HTML size from -2 to +4 -( to )} +( to ). Default sizes are used if {\it sizes} +is NULL.} \wxheading{Defaults} -Under wxGTK: - -\begin{verbatim} - SetFonts("", "", {10, 12, 14, 16, 19, 24, 32}); -\end{verbatim} - -Under Windows: - -\begin{verbatim} - SetFonts("", "", {7, 8, 10, 12, 16, 22, 30}); -\end{verbatim} - -Athough it seems different the fact is that the fonts are of approximately -same size under both platforms (due to wxMSW / wxGTK inconsistency) +Default font sizes are defined by constants wxHTML\_FONT\_SIZE\_1, +wxHTML\_FONT\_SIZE\_2, ..., wxHTML\_FONT\_SIZE\_7. Note that they differ among +platforms. Default face names are empty strings. \membersection{wxHtmlWindow::SetPage}\label{wxhtmlwindowsetpage} @@ -220,7 +391,7 @@ If you want to load a document from some location use \wxheading{Return value} -FALSE if an error occured, TRUE otherwise. +false if an error occurred, true otherwise. \membersection{wxHtmlWindow::SetRelatedFrame}\label{wxhtmlwindowsetrelatedframe}