X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/605d715ddd84ddc3e78423e3f3ae5c27c8ff4d43..afbe906abdf9aa69a56571b8b20b095351dd8f34:/docs/latex/wx/htwindow.tex?ds=sidebyside diff --git a/docs/latex/wx/htwindow.tex b/docs/latex/wx/htwindow.tex index ce72559e2c..2a821551f8 100644 --- a/docs/latex/wx/htwindow.tex +++ b/docs/latex/wx/htwindow.tex @@ -13,17 +13,24 @@ 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 +Once the window is created you can set its content by calling \helpref{SetPage(text)}{wxhtmlwindowsetpage} or \helpref{LoadPage(filename)}{wxhtmlwindowloadpage}. +\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} - + \membersection{wxHtmlWindow::wxHtmlWindow}\label{wxhtmlwindowwxhtmlwindow} @@ -53,6 +60,20 @@ 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 +83,16 @@ 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 +119,21 @@ 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} @@ -102,7 +148,7 @@ Moves to next page in history. \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: @@ -117,17 +163,83 @@ htmlwin -> SetPage("help/myproject/index.htm"); \wxheading{Return value} -FALSE if an error occured, TRUE otherwise +FALSE if an error occurred, TRUE otherwise + +\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} @@ -220,7 +332,7 @@ 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}