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[PATCH 4/5] Update key type assigment routine.


From: Diego Nieto Cid
Subject: [PATCH 4/5] Update key type assigment routine.
Date: Wed, 11 Aug 2010 20:51:50 -0300

---
 xkb.c |   47 +++++++++++++++++++++++++++++++++--------------
 1 files changed, 33 insertions(+), 14 deletions(-)

diff --git a/xkb.c b/xkb.c
index 9da51a2..00fa6e0 100644
--- a/xkb.c
+++ b/xkb.c
@@ -388,28 +388,47 @@ iskeypad (int width, int *sym)
 /* Get the keytype (the keytype determines which modifiers are used
    for shifting.
 
+   See address@hidden/symbols.c
+
    These rules are used:
 
-   * If the width is 1 the keytype is ONE_LEVEL.
-   * If the first symbol is lowercase and the second is uppercase
-   (latin alphabeth) the keytype is ALPHABETHIC.
-   * If one of the symbols is in the keypad range the keytype is KEYPAD.
-   * Else the keytype is TWO_LEVEL. */
+   Simple recipe:
+     - ONE_LEVEL for width 0/1
+     - ALPHABETIC for 2 shift levels, with lower/upercase
+     - KEYPAD for keypad keys.
+     - TWO_LEVEL for other 2 shift level keys.
+     and the same for four level keys.
+
+   Otherwise, the key type is TWO_LEVEL.
+ */
 static struct keytype *
 get_keytype (int width, symbol *sym)
 {
-  struct keytype *ktfound;
+  struct keytype *ktfound = NULL;
 
-  if (!width || !sym)
+  if (!sym)
     ktfound = keytype_find ("TWO_LEVEL");
-  else if (iskeypad (width, sym))
-    ktfound = keytype_find ("KEYPAD");
-  else if (width == 1)
+  else if ((width == 1) || (width == 0))
     ktfound = keytype_find ("ONE_LEVEL");
-  else if (width >= 2 && islatin_lower (sym[0]) && islatin_upper (sym[1]))
-    ktfound = keytype_find ("ALPHABETIC");
-  else
-    ktfound = keytype_find ("TWO_LEVEL");
+  else if (width == 2) {
+    if (islatin_lower (sym[0]) && islatin_upper (sym[1]))
+      ktfound = keytype_find ("ALPHABETIC");
+    else if (iskeypad (width, sym))
+      ktfound = keytype_find ("KEYPAD");
+    else
+      ktfound = keytype_find ("TWO_LEVEL");
+  }
+  else if (width <= 4) {
+    if (islatin_lower (sym[0]) && islatin_upper (sym[1]))
+      if (islatin_lower(sym[2]) && islatin_upper(sym[3]))
+        ktfound = keytype_find ("FOUR_LEVEL_ALPHABETIC");
+      else
+        ktfound = keytype_find ("FOUR_LEVEL_SEMIALPHABETIC");
+    else if (iskeypad (2, sym))
+      ktfound = keytype_find ("FOUR_LEVEL_KEYPAD");
+    else
+      ktfound = keytype_find ("FOUR_LEVEL");
+  }
 
   if (!ktfound)
     ktfound = keytype_find ("TWO_LEVEL");
-- 
1.7.2




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