Renamed several internal data structures and functions:

ElementImpl -> ElementClass, LayoutNode -> Element.
Remove more unnecessary casts.
Add function Ttk_ClientRegion, common factor
of entry, scale, progress, and treeview widgets.

1 files changed, 16 insertions, 13 deletions

diff --git a/generic/ttk/ttkTheme.h b/generic/ttk/ttkTheme.h
index 01a1571..1f7840f 100644
--- a/generic/ttk/ttkTheme.h
+++ b/generic/ttk/ttkTheme.h
@@ -1,4 +1,4 @@
-/* $Id: ttkTheme.h,v 1.16 2008/12/03 18:44:49 jenglish Exp $
+/* $Id: ttkTheme.h,v 1.17 2009/02/08 19:35:35 jenglish Exp $
  * Copyright (c) 2003 Joe English.  Freely redistributable.
  *
  * Declarations for Tk theme engine.
@@ -202,9 +202,9 @@ TTKAPI Ttk_Box Ttk_PositionBox(Ttk_Box *cavity, int w, int h, Ttk_PositionSpec);
 MODULE_SCOPE void Ttk_StylePkgInit(Tcl_Interp *);
 
 typedef struct Ttk_Theme_ *Ttk_Theme;
-typedef struct Ttk_ElementImpl_ *Ttk_ElementImpl;
+typedef struct Ttk_ElementClass_ Ttk_ElementClass;
 typedef struct Ttk_Layout_ *Ttk_Layout;
-typedef struct Ttk_LayoutNode_ Ttk_LayoutNode;
+typedef struct Ttk_LayoutNode_ *Ttk_Element;
 typedef struct Ttk_Style_ *Ttk_Style;
 
 TTKAPI Ttk_Theme Ttk_GetTheme(Tcl_Interp *interp, const char *name);
@@ -252,7 +252,7 @@ typedef struct Ttk_ElementSpec {
     Ttk_ElementDrawProc *draw;  	/* Draw the element */
 } Ttk_ElementSpec;
 
-TTKAPI Ttk_ElementImpl Ttk_RegisterElement(
+TTKAPI Ttk_ElementClass *Ttk_RegisterElement(
 	Tcl_Interp *interp, Ttk_Theme theme, const char *elementName,
 	Ttk_ElementSpec *, void *clientData);
 
@@ -328,17 +328,20 @@ MODULE_SCOPE void Ttk_DrawLayout(Ttk_Layout, Ttk_State, Drawable);
 
 MODULE_SCOPE void Ttk_RebindSublayout(Ttk_Layout, void *recordPtr);
 
-MODULE_SCOPE Ttk_LayoutNode *Ttk_LayoutIdentify(Ttk_Layout, int x, int y);
-MODULE_SCOPE Ttk_LayoutNode *Ttk_LayoutFindNode(Ttk_Layout, const char *nodeName);
+MODULE_SCOPE Ttk_Element Ttk_IdentifyElement(Ttk_Layout, int x, int y);
+MODULE_SCOPE Ttk_Element Ttk_FindElement(Ttk_Layout, const char *nodeName);
 
-MODULE_SCOPE const char *Ttk_LayoutNodeName(Ttk_LayoutNode *);
-MODULE_SCOPE Ttk_Box Ttk_LayoutNodeParcel(Ttk_LayoutNode *);
-MODULE_SCOPE Ttk_Box Ttk_LayoutNodeInternalParcel(Ttk_Layout,Ttk_LayoutNode *);
-MODULE_SCOPE Ttk_Padding Ttk_LayoutNodeInternalPadding(Ttk_Layout,Ttk_LayoutNode *);
-MODULE_SCOPE void Ttk_LayoutNodeReqSize(Ttk_Layout, Ttk_LayoutNode *, int *w, int *h);
+MODULE_SCOPE const char *Ttk_ElementName(Ttk_Element);
+MODULE_SCOPE Ttk_Box Ttk_ElementParcel(Ttk_Element);
 
-MODULE_SCOPE void Ttk_PlaceLayoutNode(Ttk_Layout,Ttk_LayoutNode *, Ttk_Box);
-MODULE_SCOPE void Ttk_ChangeElementState(Ttk_LayoutNode *,unsigned set,unsigned clr);
+MODULE_SCOPE Ttk_Box Ttk_ClientRegion(Ttk_Layout, const char *elementName);
+
+MODULE_SCOPE Ttk_Box Ttk_LayoutNodeInternalParcel(Ttk_Layout,Ttk_Element);
+MODULE_SCOPE Ttk_Padding Ttk_LayoutNodeInternalPadding(Ttk_Layout,Ttk_Element);
+MODULE_SCOPE void Ttk_LayoutNodeReqSize(Ttk_Layout, Ttk_Element, int *w, int *h);
+
+MODULE_SCOPE void Ttk_PlaceElement(Ttk_Layout, Ttk_Element, Ttk_Box);
+MODULE_SCOPE void Ttk_ChangeElementState(Ttk_Element,unsigned set,unsigned clr);
 
 MODULE_SCOPE Tcl_Obj *Ttk_QueryOption(Ttk_Layout, const char *, Ttk_State);