Improved patch formatting. No functional change

1 files changed, 44 insertions, 26 deletions

diff --git a/generic/tkListbox.c b/generic/tkListbox.c
index f16218b..2929882 100644
--- a/generic/tkListbox.c
+++ b/generic/tkListbox.c
@@ -165,8 +165,9 @@ typedef struct {
     Pixmap gray;		/* Pixmap for displaying disabled text. */
     int flags;			/* Various flag bits: see below for
 				 * definitions. */
-    Tk_Justify justify;         /* Justification */
-    int oldMaxOffset;           /* Used in scrolling for right/center justification */
+    Tk_Justify justify;         /* Justification. */
+    int oldMaxOffset;           /* Used in scrolling for right/center
+                                 * justification. */
 } Listbox;
 
 /*
@@ -277,6 +278,8 @@ static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
 	 "HighlightThickness", DEF_LISTBOX_HIGHLIGHT_WIDTH, -1,
 	 Tk_Offset(Listbox, highlightWidth), 0, 0, 0},
+    {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
+	DEF_LISTBOX_JUSTIFY, -1, Tk_Offset(Listbox, justify), 0, 0, 0},
     {TK_OPTION_RELIEF, "-relief", "relief", "Relief",
 	 DEF_LISTBOX_RELIEF, -1, Tk_Offset(Listbox, relief), 0, 0, 0},
     {TK_OPTION_BORDER, "-selectbackground", "selectBackground", "Foreground",
@@ -310,8 +313,6 @@ static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_STRING, "-listvariable", "listVariable", "Variable",
 	 DEF_LISTBOX_LIST_VARIABLE, -1, Tk_Offset(Listbox, listVarName),
 	 TK_OPTION_NULL_OK, 0, 0},
-    {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
-	DEF_LISTBOX_JUSTIFY, -1, Tk_Offset(Listbox, justify), 0, 0, 0},
     {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0}
 };
 
@@ -440,7 +441,7 @@ static char *		ListboxListVarProc(ClientData clientData,
 			    const char *name2, int flags);
 static void		MigrateHashEntries(Tcl_HashTable *table,
 			    int first, int last, int offset);
-static int      GetMaxOffset(Listbox *listPtr);
+static int		GetMaxOffset(Listbox *listPtr);
 
 /*
  * The structure below defines button class behavior by means of procedures
@@ -1125,7 +1126,7 @@ ListboxBboxSubCmd(
 	Tk_GetFontMetrics(listPtr->tkfont, &fm);
 	pixelWidth = Tk_TextWidth(listPtr->tkfont, stringRep, stringLen);
 
-    x = listPtr->inset + listPtr->selBorderWidth - listPtr->xOffset;
+	x = listPtr->inset + listPtr->selBorderWidth - listPtr->xOffset;
 	y = ((index - listPtr->topIndex)*listPtr->lineHeight)
 		+ listPtr->inset + listPtr->selBorderWidth;
 	results[0] = Tcl_NewIntObj(x);
@@ -2071,23 +2072,27 @@ DisplayListbox(
 	/*
 	 * Draw the actual text of this item.
 	 */
-    Tcl_ListObjIndex(listPtr->interp, listPtr->listObj, i, &curElement);
-    stringRep = Tcl_GetStringFromObj(curElement, &stringLen);
-    Tk_ComputeTextLayout(listPtr->tkfont,
-            stringRep, stringLen, 0,
-            listPtr->justify, TK_IGNORE_NEWLINES, &totalLength, &height);
+
+        Tcl_ListObjIndex(listPtr->interp, listPtr->listObj, i, &curElement);
+        stringRep = Tcl_GetStringFromObj(curElement, &stringLen);
+        Tk_ComputeTextLayout(listPtr->tkfont, stringRep, stringLen, 0,
+                listPtr->justify, TK_IGNORE_NEWLINES, &totalLength, &height);
 
 	Tk_GetFontMetrics(listPtr->tkfont, &fm);
 	y += fm.ascent + listPtr->selBorderWidth;
 
-    if (listPtr->justify == TK_JUSTIFY_LEFT) {
-        x = listPtr->inset + listPtr->selBorderWidth - listPtr->xOffset;
-    } else if (listPtr->justify == TK_JUSTIFY_RIGHT) {
-        x = width - totalLength - listPtr->inset - listPtr->selBorderWidth - listPtr->xOffset + GetMaxOffset(listPtr) - 1;
-    } else {
-        x = (width + GetMaxOffset(listPtr))/2 - totalLength/2 - listPtr->xOffset;
-    }
-	Tk_DrawChars(listPtr->display, pixmap, gc, listPtr->tkfont,
+        if (listPtr->justify == TK_JUSTIFY_LEFT) {
+            x = listPtr->inset + listPtr->selBorderWidth - listPtr->xOffset;
+        } else if (listPtr->justify == TK_JUSTIFY_RIGHT) {
+            x = width - totalLength - listPtr->inset -
+                    listPtr->selBorderWidth - listPtr->xOffset +
+                    GetMaxOffset(listPtr) - 1;
+        } else {
+            x = (width + GetMaxOffset(listPtr))/2 - totalLength/2 -
+                    listPtr->xOffset;
+        }
+
+        Tk_DrawChars(listPtr->display, pixmap, gc, listPtr->tkfont,
 		stringRep, stringLen, x, y);
 
 	/*
@@ -2641,7 +2646,12 @@ ListboxEventProc(
 	ChangeListboxView(listPtr, listPtr->topIndex);
         if (listPtr->justify == TK_JUSTIFY_RIGHT) {
             maxOffset = GetMaxOffset(listPtr);
-            if (maxOffset != listPtr->oldMaxOffset && listPtr->oldMaxOffset > 0) {  // window has shrunk
+            if (maxOffset != listPtr->oldMaxOffset && listPtr->oldMaxOffset > 0) {
+
+                /*
+                 * Window has shrunk.
+                 */
+
                 if (maxOffset > listPtr->oldMaxOffset) {
                     tmpOffset = maxOffset - listPtr->oldMaxOffset;
                 } else {
@@ -2661,7 +2671,12 @@ ListboxEventProc(
             listPtr->oldMaxOffset = maxOffset;
         } else if (listPtr->justify == TK_JUSTIFY_CENTER) {
             maxOffset = GetMaxOffset(listPtr);
-            if (maxOffset != listPtr->oldMaxOffset && listPtr->oldMaxOffset > 0) {  // window has shrunk
+            if (maxOffset != listPtr->oldMaxOffset && listPtr->oldMaxOffset > 0) {
+
+                /*
+                 * Window has shrunk.
+                 */
+
                 tmpOffset2 = maxOffset / 2;
                 if (maxOffset > listPtr->oldMaxOffset) {
                     tmpOffset = maxOffset/2 - listPtr->oldMaxOffset/2;
@@ -3661,21 +3676,24 @@ MigrateHashEntries(
  *
  * GetMaxOffset --
  *
- * Passing in a listbox pointer, returns the maximum offset for the box
+ *	Passing in a listbox pointer, returns the maximum offset for the box.
  *
  * Results:
- *       Listbox's maxOffset
+ *	Listbox's maxOffset.
  *
  * Side effects:
- *       None
+ *	None.
  *
  *----------------------------------------------------------------------
 */
-static int GetMaxOffset(register Listbox *listPtr)
+static int GetMaxOffset(
+    register Listbox *listPtr)
 {
     int maxOffset;
 
-    maxOffset = listPtr->maxWidth - (Tk_Width(listPtr->tkwin) - 2*listPtr->inset - 2*listPtr->selBorderWidth) + listPtr->xScrollUnit - 1;
+    maxOffset = listPtr->maxWidth -
+            (Tk_Width(listPtr->tkwin) - 2*listPtr->inset -
+            2*listPtr->selBorderWidth) + listPtr->xScrollUnit - 1;
     if (maxOffset < 0) {
         maxOffset = 0;
     }