X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ae3cd595dc38ca068d9cafe023f45b01e15ff59d..304b9d52cf2a01372ed0e83bd062812ad7d77c78:/docs/latex/wx/listctrl.tex diff --git a/docs/latex/wx/listctrl.tex b/docs/latex/wx/listctrl.tex index f0e1e10ed8..061e22ebc7 100644 --- a/docs/latex/wx/listctrl.tex +++ b/docs/latex/wx/listctrl.tex @@ -1,3 +1,14 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% Name: listctrl.tex +%% Purpose: wxListCtrl docs +%% Author: +%% Modified by: +%% Created: +%% RCS-ID: $Id$ +%% Copyright: (c) wxWidgets +%% License: wxWindows license +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + \section{\class{wxListCtrl}}\label{wxlistctrl} A list control presents lists in a number of formats: list view, report view, @@ -12,7 +23,7 @@ itself only when needed which allows to have controls with millions of items without consuming much memory. To use virtual list control you must use \helpref{SetItemCount}{wxlistctrlsetitemcount} first and overload at least \helpref{OnGetItemText}{wxlistctrlongetitemtext} (and optionally -\helpref{OnGetItemImage}{wxlistctrlongetitemimage} and +\helpref{OnGetItemImage}{wxlistctrlongetitemimage} or \helpref{OnGetItemColumnImage}{wxlistctrlongetitemcolumnimage} and \helpref{OnGetItemAttr}{wxlistctrlongetitemattr}) to return the information about the items when the control requests it. Virtual list control can be used as a normal one except that no operations which can take time proportional to @@ -193,7 +204,7 @@ Creates the list control. See \helpref{wxListCtrl::wxListCtrl}{wxlistctrlctor} f \func{bool}{DeleteAllItems}{} -Deletes all the items in the list control. +Deletes all items in the list control. {\bf NB:} This function does {\it not} send the {\tt wxEVT\_COMMAND\_LIST\_DELETE\_ITEM} event because deleting many items @@ -475,7 +486,7 @@ This function may be used to find all selected items in the control like this: break; // this item is selected - do whatever is needed with it - wxLogMessage("Item %ld is selected."), item); + wxLogMessage("Item %ld is selected.", item); } \end{verbatim} @@ -490,7 +501,7 @@ This function may be used to find all selected items in the control like this: \twocolitem{wxLIST\_NEXT\_RIGHT}{Searches for an item to the right of the specified item.} \end{twocollist} -{\bf NB:} this parameters is only supported by wxMSW currently and ignored on +{\bf NB:} this parameter is only supported by wxMSW currently and ignored on other platforms. {\it state} can be a bitlist of the following: @@ -646,38 +657,61 @@ method:\par \membersection{wxListCtrl::OnGetItemAttr}\label{wxlistctrlongetitemattr} -\func{virtual wxListItemAttr *}{OnGetItemAttr}{\param{long }{item}} +\constfunc{virtual wxListItemAttr *}{OnGetItemAttr}{\param{long }{item}} This function may be overloaded in the derived class for a control with {\tt wxLC\_VIRTUAL} style. It should return the attribute for the for the specified {\tt item} or {\tt NULL} to use the default appearance parameters. +wxListCtrl will not delete the pointer or keep a reference of it. You can +return the same wxListItemAttr pointer for every OnGetItemAttr call. + The base class version always returns {\tt NULL}. \wxheading{See also} \helpref{OnGetItemImage}{wxlistctrlongetitemimage},\\ +\helpref{OnGetItemColumnImage}{wxlistctrlongetitemcolumnimage},\\ \helpref{OnGetItemText}{wxlistctrlongetitemtext} \membersection{wxListCtrl::OnGetItemImage}\label{wxlistctrlongetitemimage} -\func{virtual int}{OnGetItemImage}{\param{long }{item}} +\constfunc{virtual int}{OnGetItemImage}{\param{long }{item}} This function must be overloaded in the derived class for a control with {\tt wxLC\_VIRTUAL} style having an \helpref{image list}{wxlistctrlsetimagelist} (if the control doesn't have an image list, it is not necessary to overload it). It should return the index of the items image in the controls image list or $-1$ for no image. +In a control with {\tt wxLC\_REPORT} style, OnGetItemImage only gets called for +the first column of each line. The base class version always returns $-1$. \wxheading{See also} \helpref{OnGetItemText}{wxlistctrlongetitemtext},\\ +\helpref{OnGetItemColumnImage}{wxlistctrlongetitemcolumnimage},\\ \helpref{OnGetItemAttr}{wxlistctrlongetitemattr} +\membersection{wxListCtrl::OnGetItemColumnImage}\label{wxlistctrlongetitemcolumnimage} + +\constfunc{virtual int}{OnGetItemColumnImage}{\param{long }{item}, \param{long }{column}} + +Overload this function in the derived class for a control with +{\tt wxLC\_VIRTUAL} and {\tt wxLC\_REPORT} styles in order to specify the image +index for the given line and column. + +The base class version always calls OnGetItemImage for the first column, else +it returns $-1$. + +\wxheading{See also} + +\helpref{OnGetItemText}{wxlistctrlongetitemtext},\\ +\helpref{OnGetItemImage}{wxlistctrlongetitemimage},\\ +\helpref{OnGetItemAttr}{wxlistctrlongetitemattr} \membersection{wxListCtrl::OnGetItemText}\label{wxlistctrlongetitemtext} @@ -691,6 +725,7 @@ the given {\it column} for the specified {\tt item}. \helpref{SetItemCount}{wxlistctrlsetitemcount},\\ \helpref{OnGetItemImage}{wxlistctrlongetitemimage},\\ +\helpref{OnGetItemColumnImage}{wxlistctrlongetitemcolumnimage},\\ \helpref{OnGetItemAttr}{wxlistctrlongetitemattr} @@ -985,6 +1020,6 @@ SortItems with a reference to a callable object that expects two parameters.} \perlnote{In wxPerl the comparison function must take just two parameters; - however, you may use a closure to achieve an effect similar to the - SortItems third parameter.} +however, you may use a closure to achieve an effect similar to the +SortItems third parameter.}