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, 8 insertions, 16 deletions

diff --git a/generic/ttk/ttkScale.c b/generic/ttk/ttkScale.c
index bf1f1ea..6645dc0 100644
--- a/generic/ttk/ttkScale.c
+++ b/generic/ttk/ttkScale.c
@@ -1,4 +1,4 @@
-/* $Id: ttkScale.c,v 1.9 2008/11/09 23:53:09 jenglish Exp $
+/* $Id: ttkScale.c,v 1.10 2009/02/08 19:35:35 jenglish Exp $
  * Copyright (C) 2004 Pat Thoyts <patthoyts@users.sourceforge.net>
  *
  * ttk::scale widget.
@@ -187,15 +187,7 @@ ScaleGetLayout(Tcl_Interp *interp, Ttk_Theme theme, void *recordPtr)
  */
 static Ttk_Box TroughBox(Scale *scalePtr)
 {
-    WidgetCore *corePtr = &scalePtr->core;
-    Ttk_LayoutNode *node = Ttk_LayoutFindNode(corePtr->layout, "trough");
-
-    if (node) {
-	return Ttk_LayoutNodeInternalParcel(corePtr->layout, node);
-    } else {
-	return Ttk_MakeBox(
-		0,0, Tk_Width(corePtr->tkwin), Tk_Height(corePtr->tkwin));
-    }
+    return Ttk_ClientRegion(scalePtr->core.layout, "trough");
 }
 
 /*
@@ -206,13 +198,13 @@ static Ttk_Box TroughBox(Scale *scalePtr)
 static Ttk_Box TroughRange(Scale *scalePtr)
 {
     Ttk_Box troughBox = TroughBox(scalePtr);
-    Ttk_LayoutNode *slider=Ttk_LayoutFindNode(scalePtr->core.layout,"slider");
+    Ttk_Element slider = Ttk_FindElement(scalePtr->core.layout,"slider");
 
     /*
      * If this is a scale widget, adjust range for slider:
      */
     if (slider) {
-	Ttk_Box sliderBox = Ttk_LayoutNodeParcel(slider);
+	Ttk_Box sliderBox = Ttk_ElementParcel(slider);
 	if (scalePtr->scale.orient == TTK_ORIENT_HORIZONTAL) {
 	    troughBox.x += sliderBox.width / 2;
 	    troughBox.width -= sliderBox.width;
@@ -376,16 +368,16 @@ ScaleCoordsCommand(
 static void ScaleDoLayout(void *clientData)
 {
     WidgetCore *corePtr = clientData;
-    Ttk_LayoutNode *sliderNode = Ttk_LayoutFindNode(corePtr->layout, "slider");
+    Ttk_Element slider = Ttk_FindElement(corePtr->layout, "slider");
 
     Ttk_PlaceLayout(corePtr->layout,corePtr->state,Ttk_WinBox(corePtr->tkwin));
 
     /* Adjust the slider position:
      */
-    if (sliderNode) {
+    if (slider) {
 	Scale *scalePtr = clientData;
 	Ttk_Box troughBox = TroughBox(scalePtr);
-	Ttk_Box sliderBox = Ttk_LayoutNodeParcel(sliderNode);
+	Ttk_Box sliderBox = Ttk_ElementParcel(slider);
 	double value = 0.0;
 	double fraction;
 	int range;
@@ -400,7 +392,7 @@ static void ScaleDoLayout(void *clientData)
 	    range = troughBox.height - sliderBox.height;
 	    sliderBox.y += (int)(fraction * range);
 	}
-	Ttk_PlaceLayoutNode(corePtr->layout, sliderNode, sliderBox);
+	Ttk_PlaceElement(corePtr->layout, slider, sliderBox);
     }
 }