tweak multiline hover text to have proper interline spacing

* grapher/CairoWidget.cxx (CairoTextBox::draw): Use font information
  to caculate legible spacing. Also change the font to something more
  readable.
* testsuite/systemtap.examples/general/grapher.stp: Put carriage
  returns in the right spots.

1 files changed, 3 insertions, 1 deletions

diff --git a/testsuite/systemtap.examples/general/grapher.stp b/testsuite/systemtap.examples/general/grapher.stp
index c1c60437..baeeff5c 100755
--- a/testsuite/systemtap.examples/general/grapher.stp
+++ b/testsuite/systemtap.examples/general/grapher.stp
@@ -39,9 +39,11 @@ probe kernel.function("pty_write") {
             printf("pty %d ", gettimeofday_ms())
             str = kernel_string($buf)
             for (i = 0; i < $count; ++i) {
+                if (i > 1)
+                   printf("\n")
                 # yes it's gross
                 c = substr(str, i, 1)
-                printf("%s\n", text_str(c))
+                printf("%s", text_str(c))
             }
             printf("%c", 0)
     }