document that wxRenderer methods [are supposed to] preserve wxDC attributes

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

diff --git a/docs/latex/wx/listctrl.tex b/docs/latex/wx/listctrl.tex
index ecdcbdd43f25e6956a2c1307d2b348d4214d3b6b..1d8039bb5d0f3aee2398564aa12a59c2b595850d 100644 (file)
--- a/docs/latex/wx/listctrl.tex
+++ b/docs/latex/wx/listctrl.tex
@@ -23,7 +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
@@ -204,7 +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
@@ -664,11 +664,15 @@ This function may be overloaded in the derived class for a control with
 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}
 
 
@@ -681,14 +685,33 @@ This function must be overloaded in the derived class for a control with
 (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}
 
@@ -702,6 +725,7 @@ the given {\it column} for the specified {\tt item}.
 
 \helpref{SetItemCount}{wxlistctrlsetitemcount},\\
 \helpref{OnGetItemImage}{wxlistctrlongetitemimage},\\
+\helpref{OnGetItemColumnImage}{wxlistctrlongetitemcolumnimage},\\
 \helpref{OnGetItemAttr}{wxlistctrlongetitemattr}
 
 
@@ -896,7 +920,8 @@ Sets the item's font.
 \func{bool}{SetItemImage}{\param{long }{item}, \param{int }{image}}
 
 Sets the image associated with the item. The image is an index into the
-image list associated with the list control.
+image list associated with the list control. In report view, this only sets
+the image for the first column.
 
 \func{bool}{SetItemImage}{\param{long }{item}, \param{int }{image}, \param{int }{selImage}}
 
@@ -905,6 +930,14 @@ image list associated with the list control. This form is deprecated: {\it selIm
 used.
 
 
+\membersection{wxListCtrl::SetItemColumnImage}\label{wxlistctrlsetitemcolumnimage}
+
+\func{bool}{SetItemImage}{\param{long }{item}, \param{long }{column}\param{int }{image}}
+
+Sets the image associated with the item. In report view, you can specify the column.
+The image is an index into the image list associated with the list control.
+
+
 \membersection{wxListCtrl::SetItemPosition}\label{wxlistctrlsetitemposition}
 
 \func{bool}{SetItemPosition}{\param{long }{item}, \param{const wxPoint\& }{pos}}
@@ -996,5 +1029,6 @@ 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.}
+