don't always erase the background ourselves as this is incompatible with XP themed...

[wxWidgets.git] / docs / latex / wx / hthelpct.tex

diff --git a/docs/latex/wx/hthelpct.tex b/docs/latex/wx/hthelpct.tex
index 01d37adc5c2b2ebdc1fd1578143ea77773b19e49..87eadfb919007bd1fab0d397eb3fab1655debe44 100644 (file)
--- a/docs/latex/wx/hthelpct.tex
+++ b/docs/latex/wx/hthelpct.tex
@@ -5,49 +5,117 @@
 
 \section{\class{wxHtmlHelpController}}\label{wxhtmlhelpcontroller}
 
 
 \section{\class{wxHtmlHelpController}}\label{wxhtmlhelpcontroller}
 

-{\bf WARNING! This help controller has an API incompatible with wxWindows
-wxHelpController!}
-
-This help controller provides easy way how to display HTML help in your
-application (see {\it test} sample). Whole help system is based on {\bf books}
-(see \helpref{AddBook}{wxhtmlhelpcontrolleraddbook}). A book is logical
-part of documentation (for example "User's Guide" or "Programmer's Guide" or
-"C++ Reference" or "wxWindows Reference"). Help controller can handle as
+{\bf WARNING!} Although this class has an API compatible with other wxWidgets
+help controllers as documented by \helpref{wxHelpController}{wxhelpcontroller}, it
+is recommended that you use the enhanced capabilities of wxHtmlHelpController's API.
+
+This help controller provides an easy way of displaying HTML help in your
+application (see {\it test} sample). The help system is based on {\bf books} 
+(see \helpref{AddBook}{wxhtmlhelpcontrolleraddbook}). A book is a logical
+section of documentation (for example "User's Guide" or "Programmer's Guide" or
+"C++ Reference" or "wxWidgets Reference"). The help controller can handle as

 many books as you want.
 
 wxHTML uses Microsoft's HTML Help Workshop project files (.hhp, .hhk, .hhc) as its
 native format. The file format is described \helpref{here}{helpformat}.
 Have a look at docs/html/ directory where sample project files are stored.
 
 many books as you want.
 
 wxHTML uses Microsoft's HTML Help Workshop project files (.hhp, .hhk, .hhc) as its
 native format. The file format is described \helpref{here}{helpformat}.
 Have a look at docs/html/ directory where sample project files are stored.
 

-You can use tex2rtf to generate MHHW projects (see wxHTML homepage for details).
+You can use Tex2RTF to produce these files when generating HTML, if you set {\bf htmlWorkshopFiles} to {\bf true} in
+your tex2rtf.ini file.

 
 

-In order to use the controller in your application under Windows you must
-have following line in your .rc file:
+\wxheading{Note}

 
 

-\begin{verbatim}
-#include "wx/html/msw/wxhtml.rc"
-\end{verbatim}
+It is strongly recommended to use preprocessed {\bf .hhp.cached} version of
+projects. It can be either created on-the-fly (see 
+\helpref{SetTempDir}{wxhtmlhelpcontrollersettempdir}) or you can use 
+{\bf hhp2cached} utility from {\it utils/hhp2cached} to create it and
+distribute the cached version together with helpfiles. See {\it samples/html/help} 
+sample for demonstration of its use.
+
+\wxheading{See also}
+
+\helpref{Information about wxBestHelpController}{wxhelpcontroller}

 
 \wxheading{Derived from}
 
 
 \wxheading{Derived from}
 

-wxEvtHandler
+wxHelpControllerBase
+
+\wxheading{Include files}
+
+<wx/html/helpctrl.h>

 
 \latexignore{\rtfignore{\wxheading{Members}}}
 
 \membersection{wxHtmlHelpController::wxHtmlHelpController}\label{wxhtmlhelpcontrollerwxhtmlhelpcontroller}
 
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 
 \membersection{wxHtmlHelpController::wxHtmlHelpController}\label{wxhtmlhelpcontrollerwxhtmlhelpcontroller}
 

-\func{}{wxHtmlHelpController}{\void}
+\func{}{wxHtmlHelpController}{\param{int }{style = wxHF\_DEFAULT\_STYLE}}

 
 Constructor.
 
 
 Constructor.
 

+\wxheading{Parameters}
+
+{\it style} is combination of these flags:
+
+\begin{twocollist}\itemsep=0pt
+\twocolitem{\windowstyle{wxHF\_TOOLBAR}}{Help frame has toolbar.}
+\twocolitem{\windowstyle{wxHF\_FLAT\_TOOLBAR}}{Help frame has toolbar with flat buttons (aka coolbar).}
+\twocolitem{\windowstyle{wxHF\_CONTENTS}}{Help frame has contents panel.}
+\twocolitem{\windowstyle{wxHF\_INDEX}}{Help frame has index panel.}
+\twocolitem{\windowstyle{wxHF\_SEARCH}}{Help frame has search panel.}
+\twocolitem{\windowstyle{wxHF\_BOOKMARKS}}{Help frame has bookmarks controls.}
+\twocolitem{\windowstyle{wxHF\_OPEN\_FILES}}{Allow user to open arbitrary HTML document.}
+\twocolitem{\windowstyle{wxHF\_PRINT}}{Toolbar contains "print" button.}
+\twocolitem{\windowstyle{wxHF\_MERGE\_BOOKS}}{Contents pane does not show
+book nodes. All books are merged together and appear as single book to the
+user.}
+\twocolitem{\windowstyle{wxHF\_ICONS\_BOOK}}{All nodes in contents pane
+have a book icon. This is how Microsoft's HTML help viewer behaves.}
+\twocolitem{\windowstyle{wxHF\_ICONS\_FOLDER}}{Book nodes in contents pane have
+a book icon, book's sections have a folder icon. This is the default.}
+\twocolitem{\windowstyle{wxHF\_ICONS\_BOOK\_CHAPTER}}{Both book nodes and
+nodes of top-level sections of a book (i.e. chapters) have a book icon,
+all other sections (sections, subsections, ...) have a folder icon.}
+\twocolitem{\windowstyle{wxHF\_DEFAULT\_STYLE}}{{\tt wxHF\_TOOLBAR | wxHF\_CONTENTS
+| wxHF\_INDEX | wxHF\_SEARCH | wxHF\_BOOKMARKS | wxHF\_PRINT}}
+\end{twocollist}
+

 \membersection{wxHtmlHelpController::AddBook}\label{wxhtmlhelpcontrolleraddbook}
 
 \membersection{wxHtmlHelpController::AddBook}\label{wxhtmlhelpcontrolleraddbook}
 

-\func{bool}{AddBook}{\param{const wxString\& }{book}, \param{bool }{show_wait_msg}}
+\func{bool}{AddBook}{\param{const wxFileName\& }{book\_file}, \param{bool }{show\_wait\_msg}}
+
+\func{bool}{AddBook}{\param{const wxString\& }{book\_url}, \param{bool }{show\_wait\_msg}}

 
 Adds book (\helpref{.hhp file}{helpformat} - HTML Help Workshop project file) into the list of loaded books.
 This must be called at least once before displaying  any help.
 
 
 Adds book (\helpref{.hhp file}{helpformat} - HTML Help Workshop project file) into the list of loaded books.
 This must be called at least once before displaying  any help.
 

-If {\it show_wait_msg} is TRUE then a decorationless window with progress message is displayed.
+{\it book\_file} or {\it book\_url}  may be either .hhp file or ZIP archive
+that contains arbitrary number of .hhp files in 
+top-level directory. This ZIP archive must have .zip or .htb extension
+(the latter stands for "HTML book"). In other words,
+{\tt AddBook(wxFileName("help.zip"))}
+is possible and, in fact, recommended way.
+
+\wxheading{Parameters}
+
+\docparam{show\_wait\_msg}{If true then a decoration-less window with progress message is displayed.}
+\docparam{book\_file}{Help book filename. It is recommended to use this prototype
+instead of the one taking URL, because it is less error-prone.}
+\docparam{book\_url}{Help book URL (note that syntax of filename and URL is 
+different on most platforms)}
+
+\wxheading{Note}
+
+Don't forget to install wxFileSystem ZIP handler with
+{\tt wxFileSystem::AddHandler(new wxZipFSHandler);} before calling this method
+on a .zip or .htb file!
+
+\membersection{wxHtmlHelpController::CreateHelpFrame}\label{wxhtmlhelpcontrollercreatehelpframe}
+
+\func{virtual wxHtmlHelpFrame*}{CreateHelpFrame}{\param{wxHtmlHelpData * }{data}}
+
+This protected virtual method may be overridden so that the controller
+uses slightly different frame. See {\it samples/html/helpview} sample for
+an example.

 
 \membersection{wxHtmlHelpController::Display}\label{wxhtmlhelpcontrollerdisplay}
 
 
 \membersection{wxHtmlHelpController::Display}\label{wxhtmlhelpcontrollerdisplay}
 


@@ -58,16 +126,16 @@ the help in application.
 
 You can specify the page in many ways:
 
 
 You can specify the page in many ways:
 

-\begin{itemize}
+\begin{itemize}\itemsep=0pt

 \item as direct filename of HTML document
 \item as chapter name (from contents) or as a book name
 \item as some word from index
 \item as direct filename of HTML document
 \item as chapter name (from contents) or as a book name
 \item as some word from index

-\item even as any word (will be searched) 
+\item even as any word (will be searched)

 \end{itemize}
 
 Looking for the page runs in these steps:
 
 \end{itemize}
 
 Looking for the page runs in these steps:
 

-\begin{enumerate}
+\begin{enumerate}\itemsep=0pt

 \item try to locate file named x (if x is for example "doc/howto.htm")
 \item try to open starting page of book named x
 \item try to find x in contents (if x is for example "How To ...")
 \item try to locate file named x (if x is for example "doc/howto.htm")
 \item try to open starting page of book named x
 \item try to find x in contents (if x is for example "How To ...")


@@ -79,6 +147,9 @@ Looking for the page runs in these steps:
 
 This alternative form is used to search help contents by numeric IDs.
 
 
 This alternative form is used to search help contents by numeric IDs.
 

+\pythonnote{The second form of this method is named DisplayId in
+wxPython.}
+

 \membersection{wxHtmlHelpController::DisplayContents}\label{wxhtmlhelpcontrollerdisplaycontents}
 
 \func{void}{DisplayContents}{\void}
 \membersection{wxHtmlHelpController::DisplayContents}\label{wxhtmlhelpcontrollerdisplaycontents}
 
 \func{void}{DisplayContents}{\void}


@@ -93,28 +164,33 @@ Displays help window and focuses index panel.
 
 \membersection{wxHtmlHelpController::KeywordSearch}\label{wxhtmlhelpcontrollerkeywordsearch}
 
 
 \membersection{wxHtmlHelpController::KeywordSearch}\label{wxhtmlhelpcontrollerkeywordsearch}
 

-\func{bool}{KeywordSearch}{\param{const wxString\& }{keyword}}
+\func{bool}{KeywordSearch}{\param{const wxString\& }{keyword}, \param{wxHelpSearchMode }{mode = wxHELP\_SEARCH\_ALL}}

 
 

-Displays help window, focuses search panel and starts searching.
-Returns TRUE if the keyword was found.
+Displays help window, focuses search panel and starts searching.  Returns true
+if the keyword was found. Optionally it searches through the index (mode =
+wxHELP\_SEARCH\_INDEX), default the content (mode = wxHELP\_SEARCH\_ALL).

 
 

-IMPORTANT! KeywordSearch searches only pages listed in .htc file(s)!
-(you should have all pages in contents file...)
+{\bf Important:} KeywordSearch searches only pages listed in .hhc file(s).
+You should list all pages in the contents file.

 
 \membersection{wxHtmlHelpController::ReadCustomization}\label{wxhtmlhelpcontrollerreadcustomization}
 
 \func{void}{ReadCustomization}{\param{wxConfigBase* }{cfg}, \param{wxString }{path = wxEmptyString}}
 
 
 \membersection{wxHtmlHelpController::ReadCustomization}\label{wxhtmlhelpcontrollerreadcustomization}
 
 \func{void}{ReadCustomization}{\param{wxConfigBase* }{cfg}, \param{wxString }{path = wxEmptyString}}
 

-Reads controllers setting (position of window etc.)
+Reads the controller's setting (position of window, etc.)

 
 \membersection{wxHtmlHelpController::SetTempDir}\label{wxhtmlhelpcontrollersettempdir}
 
 \func{void}{SetTempDir}{\param{const wxString\& }{path}}
 
 
 \membersection{wxHtmlHelpController::SetTempDir}\label{wxhtmlhelpcontrollersettempdir}
 
 \func{void}{SetTempDir}{\param{const wxString\& }{path}}
 

-Sets path for storing temporary files (cached binary versions of index and contents files. These binary
-forms are much faster to read.) Default value is empty string (empty string means
-that no cached data are stored). Note that these files are NOT
-deleted when program exits!
+Sets the path for storing temporary files - cached binary versions of index and contents files. These binary
+forms are much faster to read. Default value is empty string (empty string means
+that no cached data are stored). Note that these files are {\it not} 
+deleted when program exits.
+
+Once created these cached files will be used in all subsequent executions 
+of your application. If cached files become older than corresponding .hhp
+file (e.g. if you regenerate documentation) it will be refreshed.

 
 \membersection{wxHtmlHelpController::SetTitleFormat}\label{wxhtmlhelpcontrollersettitleformat}
 
 
 \membersection{wxHtmlHelpController::SetTitleFormat}\label{wxhtmlhelpcontrollersettitleformat}
 


@@ -132,7 +208,12 @@ Associates {\it config} object with the controller.
 If there is associated config object, wxHtmlHelpController automatically
 reads and writes settings (including wxHtmlWindow's settings) when needed.
 
 If there is associated config object, wxHtmlHelpController automatically
 reads and writes settings (including wxHtmlWindow's settings) when needed.
 

-The only thing you must do is create wxConfig object and call UseConfig. 
+The only thing you must do is create wxConfig object and call UseConfig.
+
+If you do not use {\it UseConfig}, wxHtmlHelpController will use 
+default wxConfig object if available (for details see 
+\helpref{wxConfigBase::Get}{wxconfigbaseget} and 
+\helpref{wxConfigBase::Set}{wxconfigbaseset}).

 
 \membersection{wxHtmlHelpController::WriteCustomization}\label{wxhtmlhelpcontrollerwritecustomization}
 
 
 \membersection{wxHtmlHelpController::WriteCustomization}\label{wxhtmlhelpcontrollerwritecustomization}