Added command-line options for changing values relevant to fading.

ChangeLog

@@ -1,3 +1,10 @@
+2004-09-23  Dan Doel  <dolio@case.edu>
+
+	* xcompmgr.1:
+	* xcompmgr.c: (usage), (main):
+	Added options -O -I and -D for controlling fading effects and
+	appropriate man entries, based on the patch by Johan Kiviniemi.
+
 2004-09-22  Dan Doel  <dolio@case.edu>
 
 	* xcompmgr.c: (run_fades), (solid_picture), (get_opacity_prop),

xcompmgr.1

@@ -27,6 +27,15 @@ Specifies the left offset for client-side shadows.
 .BI \-t\ top-offset
 Specifies the top offset for client-side shadows. 
 .TP
+.BI \-I\ fade-in-step
+Specifies the opacity change between steps while fading in.
+.TP
+.BI \-O\ fade-out-step
+Specifies the opacity change between steps while fading out.
+.TP
+.BI \-D\ fade-delta
+Specifies the time (in milliseconds) between steps in a fade.
+.TP
 .BI \-a
 Automatic server-side compositing.  This instructs the server to use the
 standard composition rules.  Useful for debugging.

xcompmgr.c

@@ -1833,6 +1833,9 @@ usage (char *program)
     fprintf (stderr, "   -o opacity\n      Specifies the translucency for client-side shadows. (default .75)\n");
     fprintf (stderr, "   -l left-offset\n      Specifies the left offset for client-side shadows. (default -15)\n");
     fprintf (stderr, "   -t top-offset\n      Specifies the top offset for clinet-side shadows. (default -15)\n");
+    fprintf (stderr, "   -I fade-in-step\n      Specifies the opacity change between steps while fading in. (default 0.028)\n");
+    fprintf (stderr, "   -O fade-out-step\n      Specifies the opacity change between steps while fading out. (default 0.03)\n");
+    fprintf (stderr, "   -D fade-delta-time\n      Specifies the time between steps in a fade in milliseconds. (default 10)\n");
     fprintf (stderr, "   -a\n      Use automatic server-side compositing. Faster, but no special effects.\n");
     fprintf (stderr, "   -c\n      Draw client-side shadows with fuzzy edges.\n");
     fprintf (stderr, "   -C\n      Avoid drawing shadows on dock/panel windows.\n");
@@ -1868,12 +1871,27 @@ main (int argc, char **argv)
     char	    *display = 0;
     int		    o;
 
-    while ((o = getopt (argc, argv, "d:r:o:l:t:scnfFCaS")) != -1)
+    while ((o = getopt (argc, argv, "D:I:O:d:r:o:l:t:scnfFCaS")) != -1)
     {
 	switch (o) {
 	case 'd':
 	    display = optarg;
 	    break;
+	case 'D':
+	    fade_delta = atoi (optarg);
+	    if (fade_delta < 1)
+		fade_delta = 10;
+	    break;
+	case 'I':
+	    fade_in_step = atof (optarg);
+	    if (fade_in_step <= 0)
+		fade_in_step = 0.01;
+	    break;
+	case 'O':
+	    fade_out_step = atof (optarg);
+	    if (fade_out_step <= 0)
+		fade_out_step = 0.01;
+	    break;
 	case 's':
 	    compMode = CompServerShadows;
 	    break;