fixed GetItemSpacing() inconsistency by deprecating the old function and adding a new, easier to use, overload

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@23576 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/listctrl.tex

@@ -369,13 +369,15 @@ ID and code and returns the wxRect.}
 \perlnote{In wxPerl this method takes only the {\bf item} parameter and
 returns a Wx::Rect ( or undef ).}
 
+
 \membersection{wxListCtrl::GetItemSpacing}\label{wxlistctrlgetitemspacing}
 
-\constfunc{int}{GetItemSpacing}{\param{bool }{isSmall}}
+\constfunc{wxSize}{GetItemSpacing}{\void}
+
+Retrieves the spacing between icons in pixels: horizontal spacing is returned
+as \texttt{x} component of the \helpref{wxSize}{wxsize} object and the vertical
+spacing as its \texttt{y} component.
 
-Retrieves the spacing between icons in pixels.
-If {\it small} is true, gets the spacing for the small icon
-view, otherwise the large icon view.
 
 \membersection{wxListCtrl::GetItemState}\label{wxlistctrlgetitemstate}
 

include/wx/generic/listctrl.h

@@ -109,7 +109,7 @@ public:
     int GetItemCount() const;
     int GetColumnCount() const;
     void SetItemSpacing( int spacing, bool isSmall = FALSE );
-    int GetItemSpacing( bool isSmall ) const;
+    wxSize GetItemSpacing() const;
     void SetItemTextColour( long item, const wxColour& col);
     wxColour GetItemTextColour( long item ) const;
     void SetItemBackgroundColour( long item, const wxColour &col);
@@ -162,6 +162,10 @@ public:
     void RefreshItem(long item);
     void RefreshItems(long itemFrom, long itemTo);
 
+    // obsolete, don't use
+    wxDEPRECATED( int GetItemSpacing( bool isSmall ) const );
+
+
     // implementation only from now on
     // -------------------------------
 

include/wx/msw/listctrl.h

@@ -189,10 +189,8 @@ public:
     // Gets the number of columns in the list control
     int GetColumnCount() const { return m_colCount; }
 
-    // Retrieves the spacing between icons in pixels.
-    // If small is TRUE, gets the spacing for the small icon
-    // view, otherwise the large icon view.
-    int GetItemSpacing(bool isSmall) const;
+    // get the horizontal and vertical components of the item spacing
+    wxSize GetItemSpacing() const;
 
     // Foreground colour of an item.
     void SetItemTextColour( long item, const wxColour& col);
@@ -355,6 +353,10 @@ public:
     // Necessary for drawing hrules and vrules, if specified
     void OnPaint(wxPaintEvent& event);
 
+
+    // obsolete stuff, for compatibility only -- don't use
+    wxDEPRECATED( int GetItemSpacing(bool isSmall) const);
+
 protected:
     // common part of all ctors
     void Init();

src/generic/listctrl.cpp

@@ -4757,6 +4757,13 @@ void wxGenericListCtrl::SetItemSpacing( int spacing, bool isSmall )
     m_mainWin->SetItemSpacing( spacing, isSmall );
 }
 
+wxSize wxGenericListCtrl::GetItemSpacing() const
+{
+    const int spacing = GetItemSpacing(HasFlag(wxLC_SMALL_ICON));
+
+    return wxSize(spacing, spacing);
+}
+
 int wxGenericListCtrl::GetItemSpacing( bool isSmall ) const
 {
     return m_mainWin->GetItemSpacing( isSmall );

src/msw/listctrl.cpp

@@ -1110,9 +1110,13 @@ int wxListCtrl::GetItemCount() const
     return m_count;
 }
 
-// Retrieves the spacing between icons in pixels.
-// If small is TRUE, gets the spacing for the small icon
-// view, otherwise the large icon view.
+wxSize wxListCtrl::GetItemSpacing() const
+{
+    const int spacing = GetItemSpacing(HasFlag(wxLC_SMALL_ICON));
+
+    return wxSize(LOWORD(spacing), HIWORD(spacing));
+}
+
 int wxListCtrl::GetItemSpacing(bool isSmall) const
 {
     return ListView_GetItemSpacing(GetHwnd(), (BOOL) isSmall);