* gtkutil.c (x_wm_set_size_hint): Use one row in call to

FRAME_TEXT_LINES_TO_PIXEL_HEIGHT so base_height is greater than
zero.

Fixes: debbugs:10954

2 files changed, 10 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index ef57223b9ca..f623e9d46e7 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2012-03-08  Jan Djärv  <jan.h.d@swipnet.se>
+
+        * gtkutil.c (x_wm_set_size_hint): Use one row in call to
+        FRAME_TEXT_LINES_TO_PIXEL_HEIGHT so base_height is greater than
+        zero (Bug#10954).
+
 2012-03-03  Glenn Morris  <rgm@gnu.org>
 
         * alloc.c (Fgarbage_collect, misc-objects-consed): Doc fixes.
diff --git a/src/gtkutil.c b/src/gtkutil.c
index 1ed5833bd5c..4dbef65dedf 100644
--- a/src/gtkutil.c
+++ b/src/gtkutil.c
@@ -1304,10 +1304,13 @@ x_wm_set_size_hint (FRAME_PTR f, long int flags, int user_position)
 
   hint_flags |= GDK_HINT_BASE_SIZE;
   base_width = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, 0) + FRAME_TOOLBAR_WIDTH (f);
-  base_height = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, 0)
+  /* Use one row here so base_height does not become zero.
+     Gtk+ and/or Unity on Ubuntu 12.04 can't handle it.  */
+  base_height = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, 1)
     + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f);
 
   check_frame_size (f, &min_rows, &min_cols);
+  if (min_rows > 0) --min_rows; /* We used one row in base_height = ... 1); */
 
   size_hints.base_width = base_width;
   size_hints.base_height = base_height;