Blame SOURCES/0023-grub-core-term-terminfo.c-Recognize-keys-F1-F12.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Vladimir Serbinenko <phcoder@gmail.com>
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Date: Sat, 18 Jan 2014 16:57:35 +0100
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Subject: [PATCH] * grub-core/term/terminfo.c: Recognize keys F1-F12.
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---
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 grub-core/term/terminfo.c | 86 +++++++++++++++++++++++++++--------------------
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 ChangeLog                 |  4 +++
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 2 files changed, 54 insertions(+), 36 deletions(-)
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diff --git a/grub-core/term/terminfo.c b/grub-core/term/terminfo.c
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index 3d48b198fbd..f0d3e3debc6 100644
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--- a/grub-core/term/terminfo.c
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+++ b/grub-core/term/terminfo.c
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@@ -460,28 +460,31 @@ grub_terminfo_readkey (struct grub_term_input *term, int *keys, int *len,
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 	{'@', GRUB_TERM_KEY_INSERT},
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       };
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-    static struct
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-    {
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-      char key;
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-      unsigned ascii;
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-    }
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-    four_code_table[] =
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+    static unsigned four_code_table[] =
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       {
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-	{'1', GRUB_TERM_KEY_HOME},
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-	{'3', GRUB_TERM_KEY_DC},
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-	{'5', GRUB_TERM_KEY_PPAGE},
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-	{'6', GRUB_TERM_KEY_NPAGE},
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-	{'7', GRUB_TERM_KEY_HOME},
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-	{'8', GRUB_TERM_KEY_END}
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+	[1] = GRUB_TERM_KEY_HOME,
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+	[3] = GRUB_TERM_KEY_DC,
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+	[5] = GRUB_TERM_KEY_PPAGE,
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+	[6] = GRUB_TERM_KEY_NPAGE,
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+	[7] = GRUB_TERM_KEY_HOME,
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+	[8] = GRUB_TERM_KEY_END,
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+	[17] = GRUB_TERM_KEY_F6,
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+	[18] = GRUB_TERM_KEY_F7,
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+	[19] = GRUB_TERM_KEY_F8,
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+	[20] = GRUB_TERM_KEY_F9,
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+	[21] = GRUB_TERM_KEY_F10,
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+	[23] = GRUB_TERM_KEY_F11,
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+	[24] = GRUB_TERM_KEY_F12,
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       };
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     char fx_key[] = 
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       { 'P', 'Q', 'w', 'x', 't', 'u',
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-        'q', 'r', 'p', 'M', 'A', 'B' };
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+        'q', 'r', 'p', 'M', 'A', 'B', 'H', 'F' };
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     unsigned fx_code[] = 
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 	{ GRUB_TERM_KEY_F1, GRUB_TERM_KEY_F2, GRUB_TERM_KEY_F3,
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 	  GRUB_TERM_KEY_F4, GRUB_TERM_KEY_F5, GRUB_TERM_KEY_F6,
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 	  GRUB_TERM_KEY_F7, GRUB_TERM_KEY_F8, GRUB_TERM_KEY_F9,
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-	  GRUB_TERM_KEY_F10, GRUB_TERM_KEY_F11, GRUB_TERM_KEY_F12 };
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+	  GRUB_TERM_KEY_F10, GRUB_TERM_KEY_F11, GRUB_TERM_KEY_F12,
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+	  GRUB_TERM_KEY_HOME, GRUB_TERM_KEY_END };
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     unsigned i;
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     if (c == '\e')
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@@ -492,19 +495,13 @@ grub_terminfo_readkey (struct grub_term_input *term, int *keys, int *len,
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 	  {
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 	    CONTINUE_READ;
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-	    switch (c)
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-	      {
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-	      case 'H':
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-		keys[0] = GRUB_TERM_KEY_HOME;
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-		*len = 1;
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-		return;
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-	      case 'F':
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-		keys[0] = GRUB_TERM_KEY_END;
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-		*len = 1;
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-		return;
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-	      default:
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-		return;
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-	      }
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+	    for (i = 0; i < ARRAY_SIZE (fx_key); i++)
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+	      if (fx_key[i] == c)
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+		{
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+		  keys[0] = fx_code[i];
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+		  *len = 1;
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+		  return;
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+		}
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 	  }
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 	if (c != '[')
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@@ -523,6 +520,15 @@ grub_terminfo_readkey (struct grub_term_input *term, int *keys, int *len,
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     switch (c)
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       {
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+      case '[':
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+	CONTINUE_READ;
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+	if (c >= 'A' && c <= 'E')
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+	  {
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+	    keys[0] = GRUB_TERM_KEY_F1 + c - 'A';
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+	    *len = 1;
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+	    return;
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+	  }
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+	return;
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       case 'O':
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 	CONTINUE_READ;
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 	for (i = 0; i < ARRAY_SIZE (fx_key); i++)
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@@ -555,18 +561,26 @@ grub_terminfo_readkey (struct grub_term_input *term, int *keys, int *len,
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 	  return;
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 	}	  
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-      default:
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-	for (i = 0; i < ARRAY_SIZE (four_code_table); i++)
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-	  if (four_code_table[i].key == c)
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+      case '1' ... '9':
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+	{
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+	  unsigned val = c - '0';
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+	  CONTINUE_READ;
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+	  if (c >= '0' && c <= '9')
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 	    {
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+	      val = val * 10 + (c - '0');
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 	      CONTINUE_READ;
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-	      if (c != '~')
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-		return;
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-	      keys[0] = four_code_table[i].ascii;
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-	      *len = 1;
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-	      return;
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 	    }
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-	return;
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+	  if (c != '~')
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+	    return;
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+	  if (val >= ARRAY_SIZE (four_code_table)
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+	      || four_code_table[val] == 0)
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+	    return;
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+	  keys[0] = four_code_table[val];
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+	  *len = 1;
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+	  return;
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+	}
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+	default:
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+	  return;
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       }
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   }
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 #undef CONTINUE_READ
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diff --git a/ChangeLog b/ChangeLog
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index 9c3ef2e2150..bdfbf44da88 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,7 @@
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+2014-01-18  Vladimir Serbinenko  <phcoder@gmail.com>
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+
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+	* grub-core/term/terminfo.c: Recognize keys F1-F12.
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+
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 2014-01-07  Andrey Borzenkov <arvidjaar@gmail.com>
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 	* configure.ac: Add support for BUILD_LDFLAGS.