wxHtmlWindow is probably the only class you will directly use
unless you want to do something special (like adding new tag
-handlers or MIME filters)
+handlers or MIME filters).
-Purpose of this class is to display HTML page (either local
-file or downloaded via HTTP protocol) in a window. Width
-of window is constant - given in constructor - virtual height
-is changed dynamicly depending on page size.
-Once the window is created you can set it's content by calling
+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}.
+\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}
-<wxhtml/wxhtmlwin.h>
+<wx/html/htmlwin.h>
\membersection{wxHtmlWindow::wxHtmlWindow}\label{wxhtmlwindowwxhtmlwindow}
Default constructor.
-\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"}}
+\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"}}
-Constructor. The parameters are same as in wxScrollWindow ctor.
-(Too lazy to document it once again... :-)
+Constructor. The parameters are the same as for the \helpref{wxScrolledWindow}{wxscrolledwindow} constructor.
\wxheading{Parameters}
\docparam{style}{wxHW\_SCROLLBAR\_NEVER, or wxHW\_SCROLLBAR\_AUTO.
-Affects appearance of vertical scrollbar in the window.}
+Affects the appearance of vertical scrollbar in the window.}
\membersection{wxHtmlWindow::AddFilter}\label{wxhtmlwindowaddfilter}
Adds \helpref{input filter}{filters} to the static list of available
filters. These filters are present by default:
-\begin{itemize}
+\begin{itemize}\itemsep=0pt
\item {\tt text/html} MIME type
\item {\tt image/*} MIME types
\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}
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}
Returns full location of the opened page. If no page is opened or if the displayed page wasn't
produced by call to LoadPage, empty string is returned.
+\membersection{wxHtmlWindow::GetOpenedPageTitle}\label{wxhtmlwindowgetopenedpagetitle}
+
+\func{wxString}{GetOpenedPageTitle}{\void}
+
+Returns title of the opened page or wxEmptyString if current page does not contain {\tt <TITLE>} tag.
+
\membersection{wxHtmlWindow::GetRelatedFrame}\label{wxhtmlwindowgetrelatedframe}
\constfunc{wxFrame*}{GetRelatedFrame}{\void}
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}
\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}
+Unlike SetPage this function first loads HTML page from {\it location}
and then displays it. See example:
\begin{verbatim}
\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{const wxString\& }{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}
+
+\func{virtual void}{OnSetTitle}{\param{const wxString\& }{title}}
+
+Called on parsing {\tt <TITLE>} tag.
+
+
\membersection{wxHtmlWindow::ReadCustomization}\label{wxhtmlwindowreadcustomization}
\func{virtual void}{ReadCustomization}{\param{wxConfigBase }{*cfg}, \param{wxString }{path = wxEmptyString}}
if given, otherwise it saves info into currently selected path.
The values are stored in sub-path {\tt wxHtmlWindow}
-Read values : all things set by SetFonts, SetBorders.
+Read values: all things set by SetFonts, SetBorders.
\wxheading{Parameters}
-\docparam{cfg}{wxConfig from which you wanna read configuration}
+\docparam{cfg}{wxConfig from which you want to read the configuration.}
\docparam{path}{Optional path in config tree. If not given current path is used.}
This function sets the space between border of window and HTML contents. See image:
-\image{}{border.bmp}
+\helponly{\image{}{border.bmp}}
\wxheading{Parameters}
\membersection{wxHtmlWindow::SetFonts}\label{wxhtmlwindowsetfonts}
-\func{void}{SetFonts}{\param{wxString }{normal\_face}, \param{int }{normal\_italic\_mode}, \param{wxString }{fixed\_face}, \param{int }{fixed\_italic\_mode}, \param{const int }{*sizes}}
+\func{void}{SetFonts}{\param{wxString }{normal\_face}, \param{wxString }{fixed\_face}, \param{const int }{*sizes}}
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
+\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 chosen) or
platform-specific face name. Examples are "helvetica" under Unix or
"Times New Roman" under Windows.}
-\docparam{normal_italic_mode}{This is either wxSLANT or wxITALIC.
-It determines how
-italic (<I>..</I>) text is handled. See wxFont documentation for
-details. For example you should use wxSLANT in conjuction with
-"helvetica" face or wxITALIC with "times" face.}
-
-\docparam{fixed_face}{The same thing for fixed face ( <TT>..</TT> )}
-
-\docparam{fixed_italic_mode}{The same thing for fixed face.}
+\docparam{fixed\_face}{The same thing for fixed face ( <TT>..</TT> )}
\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
Under wxGTK:
\begin{verbatim}
- SetFonts("", wxSLANT, "", wxSLANT, {10, 12, 14, 16, 19, 24, 32});
+ SetFonts("", "", {10, 12, 14, 16, 19, 24, 32});
\end{verbatim}
Under Windows:
\begin{verbatim}
- SetFonts("", wxSLANT, "", wxSLANT, {7, 8, 10, 12, 16, 22, 30});
+ SetFonts("", "", {7, 8, 10, 12, 16, 22, 30});
\end{verbatim}
-Athough it seems different the fact is that the fonts are of approximately
+Although it seems different the fact is that the fonts are of approximately
same size under both platforms (due to wxMSW / wxGTK inconsistency)
\membersection{wxHtmlWindow::SetPage}\label{wxhtmlwindowsetpage}
htmlwin -> SetPage("<html><body>Hello, world!</body></html>");
\end{verbatim}
-If you want to load document from some location use
+If you want to load a document from some location use
\helpref{LoadPage}{wxhtmlwindowloadpage} instead.
\wxheading{Parameters}
\wxheading{Return value}
-FALSE if an error occured, TRUE otherwise
+FALSE if an error occurred, TRUE otherwise.
\membersection{wxHtmlWindow::SetRelatedFrame}\label{wxhtmlwindowsetrelatedframe}
\func{void}{SetRelatedFrame}{\param{wxFrame* }{frame}, \param{const wxString\& }{format}}
-Sets frame in which page title will be displayed. {\it format} is format of
+Sets the frame in which page title will be displayed. {\it format} is format of
frame title, e.g. "HtmlHelp : \%s". It must contain exactly one \%s. This
\%s is substituted with HTML page title.
\docparam{bar}{statusbar slot number (0..n)}
+
\membersection{wxHtmlWindow::WriteCustomization}\label{wxhtmlwindowwritecustomization}
\func{virtual void}{WriteCustomization}{\param{wxConfigBase }{*cfg}, \param{wxString }{path = wxEmptyString}}
Saves custom settings into wxConfig. It uses the path 'path'
if given, otherwise it saves info into currently selected path.
-Regardless path is given or not the function creates sub-path
-{\tt wxHtmlWindow}
+Regardless of whether the path is given or not, the function creates sub-path
+{\tt wxHtmlWindow}.
-Saved values : all things set by SetFonts, SetBorders.
+Saved values: all things set by SetFonts, SetBorders.
\wxheading{Parameters}
-\docparam{cfg}{wxConfig to which you wanna save configuration}
-
-\docparam{path}{Optional path in config tree. If not given current path is used.}
+\docparam{cfg}{wxConfig to which you want to save the configuration.}
+\docparam{path}{Optional path in config tree. If not given, the current path is used.}
projects / wxWidgets.git / blobdiff