xkb: split effectiveGroup calculation into separate utility function.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

3 files changed, 45 insertions, 24 deletions

diff --git a/include/xkbsrv.h b/include/xkbsrv.h
index 2c7d86aaa..ebc7cdbb8 100644
--- a/include/xkbsrv.h
+++ b/include/xkbsrv.h
@@ -945,6 +945,11 @@ extern void XkbFilterEvents(
         int                     /* nEvents */,
         xEvent*                 /* xE */);
 
+extern int XkbGetEffectiveGroup(
+        XkbSrvInfoPtr           /* xkbi */,
+        XkbStatePtr             /* xkbstate */,
+        CARD8                   /* keycode */);
+
 #include "xkbfile.h"
 #include "xkbrules.h"
 
diff --git a/xkb/xkbActions.c b/xkb/xkbActions.c
index 9c3184a83..b0ab427b6 100644
--- a/xkb/xkbActions.c
+++ b/xkb/xkbActions.c
@@ -124,30 +124,11 @@ static XkbAction 	fake;
     }
     pActs= XkbKeyActionsPtr(xkb,key);
     col= 0;
-    effectiveGroup= xkbState->group;
-    if (effectiveGroup!=XkbGroup1Index) {
-	if (XkbKeyNumGroups(xkb,key)>(unsigned)1) {
-	    if (effectiveGroup>=XkbKeyNumGroups(xkb,key)) {
-		unsigned gi= XkbKeyGroupInfo(xkb,key);
-		switch (XkbOutOfRangeGroupAction(gi)) {
-		    default:
-		    case XkbWrapIntoRange:
-			effectiveGroup %= XkbKeyNumGroups(xkb,key);
-			break;
-		    case XkbClampIntoRange:
-			effectiveGroup = XkbKeyNumGroups(xkb,key)-1;
-			break;
-		    case XkbRedirectIntoRange:
-			effectiveGroup= XkbOutOfRangeGroupInfo(gi);
-			if (effectiveGroup>=XkbKeyNumGroups(xkb,key))
-			    effectiveGroup= 0;
-			break;
-		}
-	    }
-	}
-	else effectiveGroup= XkbGroup1Index;
-	col+= (effectiveGroup*XkbKeyGroupsWidth(xkb,key));
-    }
+
+    effectiveGroup = XkbGetEffectiveGroup(xkbi, xkbState, key);
+    if (effectiveGroup != XkbGroup1Index)
+        col += (effectiveGroup * XkbKeyGroupsWidth(xkb, key));
+
     type= XkbKeyKeyType(xkb,key,effectiveGroup);
     if (type->map!=NULL) {
 	register unsigned		i,mods;
diff --git a/xkb/xkbUtils.c b/xkb/xkbUtils.c
index 63b1e31c7..75e243ca5 100644
--- a/xkb/xkbUtils.c
+++ b/xkb/xkbUtils.c
@@ -2118,3 +2118,38 @@ XkbCopyDeviceKeymap(DeviceIntPtr dst, DeviceIntPtr src)
     return ret;
 }
 
+int
+XkbGetEffectiveGroup(XkbSrvInfoPtr xkbi, XkbStatePtr xkbState, CARD8 keycode)
+{
+    XkbDescPtr xkb = xkbi->desc;
+    int effectiveGroup = xkbState->group;
+
+    if (!XkbKeycodeInRange(xkb, keycode))
+        return -1;
+
+    if (effectiveGroup == XkbGroup1Index)
+        return effectiveGroup;
+
+    if (XkbKeyNumGroups(xkb,keycode) > 1U) {
+        if (effectiveGroup >= XkbKeyNumGroups(xkb,keycode)) {
+            unsigned int gi = XkbKeyGroupInfo(xkb,keycode);
+            switch (XkbOutOfRangeGroupAction(gi)) {
+                default:
+                case XkbWrapIntoRange:
+                    effectiveGroup %= XkbKeyNumGroups(xkb, keycode);
+                    break;
+                case XkbClampIntoRange:
+                    effectiveGroup = XkbKeyNumGroups(xkb, keycode) - 1;
+                    break;
+                case XkbRedirectIntoRange:
+                    effectiveGroup = XkbOutOfRangeGroupInfo(gi);
+                    if (effectiveGroup >= XkbKeyNumGroups(xkb, keycode))
+                        effectiveGroup = 0;
+                    break;
+            }
+        }
+    }
+    else effectiveGroup = XkbGroup1Index;
+
+    return effectiveGroup;
+}