Hello,
xcompmgr fills the root window by #808080 if there is no
_XROOTPMAP_ID property or something found.
May I propose by the attached little tweak to make the above grey
value configurable by command-line by the
-b colorname
parameter. The proposal uses XLookupColor() to resolve this name
into RGB values used by XRenderFillRectangle() in root_tile() in
xcompmgr.c.
Greetings,
Eeri Kask
--- xcompmgr.c.orig 2009-09-19 19:45:12.000000000 +0200
+++ xcompmgr.c 2009-09-19 19:54:07.000000000 +0200
@@ -760,6 +760,8 @@
NULL,
};
+static XRenderColor RootFill = {.red = 0x8080, .green = 0x8080, .blue =
0x8080, .alpha = 0xffff};
+
static Picture
root_tile (Display *dpy)
{
@@ -800,12 +802,7 @@
CPRepeat, &pa);
if (fill)
{
- XRenderColor c;
-
- c.red = c.green = c.blue = 0x8080;
- c.alpha = 0xffff;
- XRenderFillRectangle (dpy, PictOpSrc, picture, &c,
- 0, 0, 1, 1);
+ XRenderFillRectangle (dpy, PictOpSrc, picture, &RootFill, 0, 0, 1, 1);
}
return picture;
}
@@ -1865,6 +1862,7 @@
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, " -b color\n Specifies screen background fill
color if no root window pixmap set. (default #808080)\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");
@@ -1944,8 +1942,9 @@
int composite_major, composite_minor;
char *display = NULL;
int o;
+ char *rootfill = NULL;
- while ((o = getopt (argc, argv, "D:I:O:d:r:o:l:t:scnfFCaS")) != -1)
+ while ((o = getopt (argc, argv, "D:I:O:d:r:o:l:t:b:scnfFCaS")) != -1)
{
switch (o) {
case 'd':
@@ -2002,6 +2001,9 @@
case 't':
shadowOffsetY = atoi (optarg);
break;
+ case 'b':
+ rootfill = optarg;
+ break;
default:
usage (argv[0]);
break;
@@ -2065,6 +2067,16 @@
winDialogAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
winNormalAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_NORMAL", False);
+ if (rootfill != NULL)
+ {
+ XColor col, tmp;
+ if (XLookupColor (dpy, DefaultColormap (dpy, scr), rootfill, &col,
&tmp)) {
+ RootFill.red = col.red;
+ RootFill.green = col.green;
+ RootFill.blue = col.blue;
+ }
+ }
+
pa.subwindow_mode = IncludeInferiors;
if (compMode == CompClientShadows)
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