shell: Avoid modulo by zero error in positioning algorithm
As spotted by Philipp Brüschweiler <blei42@gmail.com>
diff --git a/src/shell.c b/src/shell.c
index 9d969ff..4633049 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -2636,15 +2636,15 @@
range_y = (target_output->current->height - panel_height) -
surface->geometry.height;
- if (range_x < 0)
- dx = 0;
- else
+ if (range_x > 0)
dx = random() % range_x;
-
- if (range_y < 0)
- dy = panel_height;
else
+ dx = 0;
+
+ if (range_y > 0)
dy = panel_height + random() % range_y;
+ else
+ dy = panel_height;
x = target_output->x + dx;
y = target_output->y + dy;