adding alpha channel doc

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

diff --git a/docs/latex/wx/vlbox.tex b/docs/latex/wx/vlbox.tex
index b2d16c7d77236f1134e6918d2eb6c6ef1f146365..be8dd54485e5ed293b32d388e33336c50a11a2e0 100644 (file)
--- a/docs/latex/wx/vlbox.tex
+++ b/docs/latex/wx/vlbox.tex
@@ -13,9 +13,9 @@
 
 wxVListBox is a listbox-like control with the following two main differences
 from a regular listbox: it can have an arbitrarily huge number of items because
 
 wxVListBox is a listbox-like control with the following two main differences
 from a regular listbox: it can have an arbitrarily huge number of items because

-it doesn't store them itself but uses \helpref{OnDrawItem()}{wxvlistboxondrawitem} 
+it doesn't store them itself but uses \helpref{OnDrawItem()}{wxvlistboxondrawitem}

 callback to draw them (so it is a {\Large V}irtual listbox) and its items can
 callback to draw them (so it is a {\Large V}irtual listbox) and its items can

-have variable height as determined by 
+have variable height as determined by

 \helpref{OnMeasureItem()}{wxvlistboxonmeasureitem} (so it is also a listbox
 with the lines of {\Large V}ariable height).
 
 \helpref{OnMeasureItem()}{wxvlistboxonmeasureitem} (so it is also a listbox
 with the lines of {\Large V}ariable height).
 


@@ -28,10 +28,14 @@ derive your own class, such as \helpref{wxHtmlListBox}{wxhtmllistbox}, from it.
 
 However it emits the same events as \helpref{wxListBox}{wxlistbox} and the same
 event macros may be used with it.
 
 However it emits the same events as \helpref{wxListBox}{wxlistbox} and the same
 event macros may be used with it.

- 
+

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

-\helpref{wxVScrolledWindow}{wxvscrolledwindow}
+\helpref{wxVScrolledWindow}{wxvscrolledwindow}\\
+\helpref{wxPanel}{wxpanel}\\
+\helpref{wxWindow}{wxwindow}\\
+\helpref{wxEvtHandler}{wxevthandler}\\
+\helpref{wxObject}{wxobject}

 
 \wxheading{Include files}
 
 
 \wxheading{Include files}
 


@@ -62,11 +66,11 @@ Deletes all items from the control.
 
 \func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id = wxID\_ANY}, \param{const wxPoint\& }{pos = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize}, \param{long }{style = 0}, \param{const wxString\& }{name = wxVListBoxNameStr}}
 
 
 \func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id = wxID\_ANY}, \param{const wxPoint\& }{pos = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize}, \param{long }{style = 0}, \param{const wxString\& }{name = wxVListBoxNameStr}}
 

-Creates the control. To finish creating it you also should call 
+Creates the control. To finish creating it you also should call

 \helpref{SetItemCount()}{wxvlistboxsetitemcount} to let it know about the
 number of items it contains.
 
 \helpref{SetItemCount()}{wxvlistboxsetitemcount} to let it know about the
 number of items it contains.
 

-The only special style which may be used with wxVListBox is {\tt wxLB\_MULTIPLE} 
+The only special style which may be used with wxVListBox is {\tt wxLB\_MULTIPLE}

 which indicates that the listbox should support multiple selection.
 
 Returns {\tt true} on success or {\tt false} if the control couldn't be created
 which indicates that the listbox should support multiple selection.
 
 Returns {\tt true} on success or {\tt false} if the control couldn't be created


@@ -92,10 +96,10 @@ This method is only valid for multi selection listboxes.
 
 \constfunc{int}{GetFirstSelected}{\param{unsigned long\& }{cookie}}
 
 
 \constfunc{int}{GetFirstSelected}{\param{unsigned long\& }{cookie}}
 

-Returns the index of the first selected item in the listbox or 
+Returns the index of the first selected item in the listbox or

 {\tt wxNOT\_FOUND} if no items are currently selected.
 
 {\tt wxNOT\_FOUND} if no items are currently selected.
 

-{\it cookie} is an opaque parameter which should be passed to the subsequent
+\arg{cookie} is an opaque parameter which should be passed to the subsequent

 calls to \helpref{GetNextSelected}{wxvlistboxgetnextselected}. It is needed in
 order to allow parallel iterations over the selected items.
 
 calls to \helpref{GetNextSelected}{wxvlistboxgetnextselected}. It is needed in
 order to allow parallel iterations over the selected items.
 


@@ -129,7 +133,7 @@ Get the number of items in the control.
 \constfunc{wxPoint}{GetMargins}{\void}
 
 Returns the margins used by the control. The {\tt x} field of the returned
 \constfunc{wxPoint}{GetMargins}{\void}
 
 Returns the margins used by the control. The {\tt x} field of the returned

-point is the horizontal margine and the {\tt y} field is the vertical one.
+point is the horizontal margin and the {\tt y} field is the vertical one.

 
 \wxheading{See also}
 
 
 \wxheading{See also}
 


@@ -170,7 +174,7 @@ may only return $0$ or $1$ however.
 
 \constfunc{int}{GetSelection}{\void}
 
 
 \constfunc{int}{GetSelection}{\void}
 

-Get the currently selected item or $-1$ if there is no selection.
+Get the currently selected item or {\tt wxNOT\_FOUND} if there is no selection.

 
 
 \membersection{wxVListBox::GetSelectionBackground}\label{wxvlistboxgetselectionbackground}
 
 
 \membersection{wxVListBox::GetSelectionBackground}\label{wxvlistboxgetselectionbackground}


@@ -202,7 +206,7 @@ listbox.
 Returns {\tt true} if this item is the current one, {\tt false} otherwise.
 
 Current item is always the same as selected one for the single selection
 Returns {\tt true} if this item is the current one, {\tt false} otherwise.
 
 Current item is always the same as selected one for the single selection

-listbox and in this case this method is equivalent to 
+listbox and in this case this method is equivalent to

 \helpref{IsSelected}{wxvlistboxisselected} but they are different for multi
 selection listboxes where many items may be selected but only one (at most) is
 current.
 \helpref{IsSelected}{wxvlistboxisselected} but they are different for multi
 selection listboxes where many items may be selected but only one (at most) is
 current.


@@ -215,6 +219,19 @@ current.
 Returns {\tt true} if this item is selected, {\tt false} otherwise.
 
 
 Returns {\tt true} if this item is selected, {\tt false} otherwise.
 
 

+\membersection{wxVListBox::OnDrawBackground}\label{wxvlistboxondrawbackground}
+
+\constfunc{void}{OnDrawBackground}{\param{wxDC\& }{dc}, \param{const wxRect\& }{rect}, \param{size\_t }{n}}
+
+This method is used to draw the items background and, maybe, a border
+around it.
+
+The base class version implements a reasonable default behaviour which
+consists in drawing the selected item with the standard background
+colour and drawing a border around the item if it is either selected or
+current.
+
+

 \membersection{wxVListBox::OnDrawItem}\label{wxvlistboxondrawitem}
 
 \constfunc{void}{OnDrawItem}{\param{wxDC\& }{dc}, \param{const wxRect\& }{rect}, \param{size\_t }{n}}
 \membersection{wxVListBox::OnDrawItem}\label{wxvlistboxondrawitem}
 
 \constfunc{void}{OnDrawItem}{\param{wxDC\& }{dc}, \param{const wxRect\& }{rect}, \param{size\_t }{n}}


@@ -269,7 +286,7 @@ equal to {\tt wxNOT\_FOUND}).
 Return {\tt true} if the items selection status has changed or {\tt false}
 otherwise.
 
 Return {\tt true} if the items selection status has changed or {\tt false}
 otherwise.
 

-This function is only valid for the multiple selection listboxes, use 
+This function is only valid for the multiple selection listboxes, use

 \helpref{SetSelection}{wxvlistboxsetselection} for the single selection ones.
 
 
 \helpref{SetSelection}{wxvlistboxsetselection} for the single selection ones.
 
 


@@ -304,6 +321,7 @@ This method is only valid for multi selection listboxes.
 
 \helpref{SelectAll}{wxvlistboxselectall}, \helpref{Select}{wxvlistboxselect}
 
 
 \helpref{SelectAll}{wxvlistboxselectall}, \helpref{Select}{wxvlistboxselect}
 

+\membersection{wxVListBox::SetItemCount}\label{wxvlistboxsetitemcount}

 
 \func{void}{SetItemCount}{\param{size\_t }{count}}
 
 
 \func{void}{SetItemCount}{\param{size\_t }{count}}
 


@@ -342,7 +360,7 @@ This method may be used both with single and multiple selection listboxes.
 \func{void}{SetSelectionBackground}{\param{const wxColour\& }{col}}
 
 Sets the colour to be used for the selected cells background. The background of
 \func{void}{SetSelectionBackground}{\param{const wxColour\& }{col}}
 
 Sets the colour to be used for the selected cells background. The background of

-the standard cells may be changed by simply calling 
+the standard cells may be changed by simply calling

 \helpref{SetBackgroundColour}{wxwindowsetbackgroundcolour}.
 
 \wxheading{See also}
 \helpref{SetBackgroundColour}{wxwindowsetbackgroundcolour}.
 
 \wxheading{See also}


@@ -354,7 +372,7 @@ the standard cells may be changed by simply calling
 
 \func{void}{Toggle}{\param{size\_t }{item}}
 
 
 \func{void}{Toggle}{\param{size\_t }{item}}
 

-Toggles the state of the specified {\it item}, i.e. selects it if it was
+Toggles the state of the specified \arg{item}, i.e. selects it if it was

 unselected and deselects it if it was selected.
 
 This method is only valid for multi selection listboxes.
 unselected and deselects it if it was selected.
 
 This method is only valid for multi selection listboxes.


@@ -362,4 +380,3 @@ This method is only valid for multi selection listboxes.
 \wxheading{See also}
 
 \helpref{Select}{wxvlistboxselect}
 \wxheading{See also}
 
 \helpref{Select}{wxvlistboxselect}

-