grub2/0394-grub-core-gfxmenu-circular_progress.c-Set-start_angl.patch

From 22970f8c19587ba78aa36c2370512bf393768d3f Mon Sep 17 00:00:00 2001
From: Vladimir Testov <vladimir.testov@rosalab.ru>
Date: Mon, 29 Apr 2013 15:32:56 +0200
Subject: [PATCH 394/482] =?UTF-8?q?=09*=20grub-core/gfxmenu/circular=5Fpro?=
 =?UTF-8?q?gress.c:=20Set=20start=5Fangle=20in=20degrees=20=09with=20synta?=
 =?UTF-8?q?x=20"XXX=20deg"/"XXX=20=C2=B0".?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ChangeLog                                 |  5 +++++
 grub-core/gfxmenu/gui_circular_progress.c | 21 ++++++++++++++++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index ece8586..0e6d38a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-04-29  Vladimir Testov <vladimir.testov@rosalab.ru>
+
+	* grub-core/gfxmenu/circular_progress.c: Set start_angle in degrees
+	with syntax "XXX deg"/"XXX °".
+
 2013-04-29  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	Make PCI init in i386-qemu port more robust.
diff --git a/grub-core/gfxmenu/gui_circular_progress.c b/grub-core/gfxmenu/gui_circular_progress.c
index e06d40c..284a75a 100644
--- a/grub-core/gfxmenu/gui_circular_progress.c
+++ b/grub-core/gfxmenu/gui_circular_progress.c
@@ -223,6 +223,25 @@ circprog_set_state (void *vself, int visible, int start,
   self->end = end;
 }
 
+static int
+parse_angle (const char *value)
+{
+  char *ptr;
+  int angle;
+
+  angle = grub_strtol (value, &ptr, 10);
+  if (grub_errno)
+    return 0;
+  while (grub_isspace (*ptr))
+    ptr++;
+  if (grub_strcmp (ptr, "deg") == 0
+      /* Unicode symbol of degrees (a circle, U+b0). Put here in UTF-8 to
+	 avoid potential problem with text file reesncoding  */
+      || grub_strcmp (ptr, "\xc2\xb0") == 0)
+    angle = (angle * 64 + 45) / 90;
+  return angle;
+}
+
 static grub_err_t
 circprog_set_property (void *vself, const char *name, const char *value)
 {
@@ -233,7 +252,7 @@ circprog_set_property (void *vself, const char *name, const char *value)
     }
   else if (grub_strcmp (name, "start_angle") == 0)
     {
-      self->start_angle = grub_strtol (value, 0, 10);
+      self->start_angle = parse_angle (value);
     }
   else if (grub_strcmp (name, "ticks_disappear") == 0)
     {
-- 
1.8.2.1