Demonstrates printing

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

diff --git a/docs/latex/wx/helpprov.tex b/docs/latex/wx/helpprov.tex
index ba99934fa42341c9cb71fa224e380a0e09b092d6..950c939928f6ef41ca3300ff9bdc70475c2a63f5 100644 (file)
--- a/docs/latex/wx/helpprov.tex
+++ b/docs/latex/wx/helpprov.tex
@@ -10,26 +10,34 @@ wxHelpProvider::Set().
 
 No base class
 
+\wxheading{Include files}
+
+<wx/cshelp.h>
+
 \wxheading{See also}
 
 \helpref{wxContextHelp}{wxcontexthelp}, \helpref{wxContextHelpButton}{wxcontexthelpbutton}, 
 \helpref{wxSimpleHelpProvider}{wxsimplehelpprovider}, \helpref{wxHelpControllerHelpProvider}{wxhelpcontrollerhelpprovider}, 
-\helpref{wxWindow::SetHelpText}{wxwindowsethelptext}, \helpref{wxWindow::GetHelpText}{wxwindowgethelptext}
+\helpref{wxWindow::SetHelpText}{wxwindowsethelptext}, \helpref{wxWindow::GetHelpTextAtPoint}{wxwindowgethelptextatpoint}
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 
+
 \membersection{wxHelpProvider::\destruct{wxHelpProvider}}\label{wxhelpproviderdtor}
 
 \func{}{\destruct{wxHelpProvider}}{\void}
 
 Virtual destructor for any base class.
 
-\membersection{wxHelpProvider::Set}\label{wxhelpproviderset}
 
-\func{wxHelpProvider*}{Set}{\param{wxHelpProvider* }{helpProvider}}
+\membersection{wxHelpProvider::AddHelp}\label{wxhelpprovideraddhelp}
+
+\func{void}{AddHelp}{\param{wxWindowBase* }{window}, \param{const wxString\& }{text}}
+
+Associates the text with the given window or id. Although all help
+providers have these functions to allow making \helpref{wxWindow::SetHelpText}{wxwindowsethelptext} 
+work, not all of them implement the functions.
 
-Get/set the current, application-wide help provider. Returns
-the previous one.
 
 \membersection{wxHelpProvider::Get}\label{wxhelpproviderget}
 
@@ -38,6 +46,7 @@ the previous one.
 Unlike some other classes, the help provider is not created on demand.
 This must be explicitly done by the application.
 
+
 \membersection{wxHelpProvider::GetHelp}\label{wxhelpprovidergethelp}
 
 \func{wxString}{GetHelp}{\param{const wxWindowBase* }{window}}
@@ -46,27 +55,61 @@ Gets the help string for this window. Its interpretation is dependent on the hel
 except that empty string always means that no help is associated with
 the window.
 
-\membersection{wxHelpProvider::ShowHelp}\label{wxhelpprovidershowhelp}
+\func{void}{AddHelp}{\param{wxWindowID }{id}, \param{const wxString\& }{text}}
 
-\func{bool}{ShowHelp}{\param{wxWindowBase* }{window}}
+This version associates the given text with all windows with this id.
+May be used to set the same help string for all Cancel buttons in
+the application, for example.
 
-Shows help for the given window. Uses \helpref{GetHelp}{wxhelpprovidergethelp} internally if
-applicable.
 
-Returns TRUE if it was done, or FALSE if no help was available
-for this window.
+\membersection{wxHelpProvider::RemoveHelp}\label{wxhelpproviderremovehelp}
 
-\membersection{wxHelpProvider::AddHelp}\label{wxhelpprovideraddhelp}
+\func{void}{RemoveHelp}{\param{wxWindowBase* }{window}}
 
-\func{void}{AddHelp}{\param{wxWindowBase* }{window}, \param{const wxString\& }{text}}
+Removes the association between the window pointer and the help text. This is
+called by the wxWindow destructor. Without this, the table of help strings will fill up
+and when window pointers are reused, the wrong help string will be found.
 
-Associates the text with the given window or id. Although all help
-providers have these functions to allow making \helpref{wxWindow::SetHelpText}{wxwindowsethelptext} 
-work, not all of them implement the functions.
 
-\func{void}{AddHelp}{\param{wxWindowID }{id}, \param{const wxString\& }{text}}
+\membersection{wxHelpProvider::Set}\label{wxhelpproviderset}
 
-This version associates the given text with all windows with this id.
-May be used to set the same help string for all Cancel buttons in
-the application, for example.
+\func{wxHelpProvider*}{Set}{\param{wxHelpProvider* }{helpProvider}}
+
+Get/set the current, application-wide help provider. Returns
+the previous one.
+
+
+\membersection{wxHelpProvider::ShowHelpAtPoint}\label{wxhelpprovidershowhelpatpoint}
+
+\func{bool}{ShowHelpAtPoint}{\param{wxWindowBase* }{window}, \param{const wxPoint & }{point}, \param{wxHelpEvent::Origin }{origin}}
+
+This function may be overridden to show help for the window when it should
+depend on the position inside the window, By default this method forwards to 
+\helpref{ShowHelp}{wxhelpprovidershowhelp}, so it is enough to only implement
+the latter if the help doesn't depend on the position.
+
+Returns \true if help was shown, or \false if no help was available for this
+window.
+
+\wxheading{Parameters}
+
+\docparam{window}{Window to show help text for.}
+
+\docparam{point}{Coordinates of the mouse at the moment of help event emission.}
+
+\docparam{origin}{Help event origin, see \helpref{wxHelpEvent::GetOrigin}{wxhelpeventgetorigin}.}
+
+\newsince{2.7.0}
+
+
+\membersection{wxHelpProvider::ShowHelp}\label{wxhelpprovidershowhelp}
+
+\func{bool}{ShowHelp}{\param{wxWindowBase* }{window}}
+
+Shows help for the given window. Override this function if the help doesn't
+depend on the exact position inside the window, otherwise you need to override 
+\helpref{ShowHelpAtPoint}{wxhelpprovidershowhelpatpoint}.
+
+Returns \true if help was shown, or \false if no help was available for this
+window.