(FeatureProc): Highlight selected features by

changing border width, not by changing fore and back color.
(setup_feature_rec): Setup internal height and width of widgets.
(create_otf_widgets): Likewise.

diff --git a/example/otfview.c b/example/otfview.c
index 8edc649..83f7c13 100644 (file)
--- a/example/otfview.c
+++ b/example/otfview.c
@@ -691,7 +691,7 @@ FeatureProc (Widget w, XtPointer client_data, XtPointer call_data)
 {
   FeatureRec *rec = (FeatureRec *) client_data;
   int idx, i, j;
-  Arg arg[3];
+  Arg arg[4];
   char *label;
 
   if (! rec->langsys)
@@ -748,25 +748,22 @@ FeatureProc (Widget w, XtPointer client_data, XtPointer call_data)
   for (; i < j; i++)
     {
       char str[5];
-      unsigned fore = foreground, back = background;
 
-#if 0
-      if (i == idx)
-       fore = background, back = foreground;
-#endif
       if (rec->features[i].on)
        {
-         XtSetArg (arg[0], XtNforeground, back);
-         XtSetArg (arg[1], XtNbackground, fore);
+         XtSetArg (arg[0], XtNborderWidth, 3);
+         XtSetArg (arg[1], XtNinternalHeight, 2);
+         XtSetArg (arg[2], XtNinternalWidth, 2);
        }
       else
        {
-         XtSetArg (arg[0], XtNforeground, fore);
-         XtSetArg (arg[1], XtNbackground, back);
+         XtSetArg (arg[0], XtNborderWidth, 1);
+         XtSetArg (arg[1], XtNinternalHeight, 4);
+         XtSetArg (arg[2], XtNinternalWidth, 4);
        }
       OTF_tag_name (rec->features[i].tag, str);
-      XtSetArg (arg[2], XtNlabel, str);
-      XtSetValues (rec->features[i].w, arg, 3);
+      XtSetArg (arg[3], XtNlabel, str);
+      XtSetValues (rec->features[i].w, arg, 4);
     }
   update_seq_area ();
 }
@@ -790,10 +787,10 @@ setup_feature_rec (FeatureRec *rec)
   else
     {
       XtSetArg (arg[0], XtNborderWidth, 1);
-      XtSetArg (arg[1], XtNborderColor, foreground);
-      XtSetArg (arg[2], XtNsensitive, True);
-      XtSetArg (arg[3], XtNforeground, foreground);
-      XtSetArg (arg[4], XtNbackground, background);
+      XtSetArg (arg[1], XtNinternalHeight, 4);
+      XtSetArg (arg[2], XtNinternalWidth, 4);
+      XtSetArg (arg[3], XtNborderColor, foreground);
+      XtSetArg (arg[4], XtNsensitive, True);
       for (i = 0; i < rec->langsys->FeatureCount && i < MAX_FEATURE_COUNT; i++)
        {
          OTF_Feature *feature = rec->gsub_gpos->FeatureList.Feature;
@@ -807,14 +804,11 @@ setup_feature_rec (FeatureRec *rec)
          XtSetValues (rec->features[i].w, arg, 6);
        }
     }
-  XtSetArg (arg[0], XtNborderWidth, 1);
-  XtSetArg (arg[1], XtNborderColor, background);
-  XtSetArg (arg[2], XtNsensitive, False);
-  XtSetArg (arg[3], XtNforeground, foreground);
-  XtSetArg (arg[4], XtNbackground, background);
-  XtSetArg (arg[5], XtNlabel, "    ");
+  XtSetArg (arg[0], XtNborderColor, background);
+  XtSetArg (arg[1], XtNsensitive, False);
+  XtSetArg (arg[2], XtNlabel, "    ");
   for (; i < MAX_FEATURE_COUNT; i++)
-    XtSetValues (rec->features[i].w, arg, 6);
+    XtSetValues (rec->features[i].w, arg, 3);
 }
 
 void
@@ -918,14 +912,17 @@ create_otf_widgets (Widget prev, FeatureRec *rec)
   prev = XtCreateManagedWidget (rec->label, boxWidgetClass, render_area,
                                arg, 7);
   XtCreateManagedWidget (rec->label, labelWidgetClass, prev, arg, 1);
-  w = XtCreateManagedWidget ("all", commandWidgetClass, prev, NULL, 0);
+  XtSetArg (arg[0], XtNborderWidth, 1);
+  XtSetArg (arg[1], XtNinternalHeight, 4);
+  XtSetArg (arg[2], XtNinternalWidth, 4);
+  w = XtCreateManagedWidget ("all", commandWidgetClass, prev, arg, 3);
   XtAddCallback (w, XtNcallback, FeatureProc, (XtPointer) rec);
-  w = XtCreateManagedWidget ("none", commandWidgetClass, prev, NULL, 0);
+  w = XtCreateManagedWidget ("none", commandWidgetClass, prev, arg, 3);
   XtAddCallback (w, XtNcallback, FeatureProc, (XtPointer) rec);
 
   for (i = 0; i < MAX_FEATURE_COUNT; i++)
     {
-      w = XtCreateManagedWidget ("", commandWidgetClass, prev, arg, 1);
+      w = XtCreateManagedWidget ("", commandWidgetClass, prev, arg, 0);
       XtAddCallback (w, XtNcallback, FeatureProc, (XtPointer) rec);
       rec->features[i].w = w;
     }
@@ -1230,6 +1227,8 @@ main (int argc, char **argv)
     {
       fprintf (stderr, "Usage: %s [ X-OPTION ... ]  OTF-FILE\n",
               basename (argv[0]));
+      fprintf (stderr,
+              "  Pixel size is decided by the environment variable PIXEL_SIZE ((default %d).\n", DEFAULT_PIXEL_SIZE);
       exit (argc != 2);
     }
   filename = argv[1];