*** empty log message ***

diff --git a/xex.js b/xex.js
index a7ed176..46d510f 100644 (file)
--- a/xex.js
+++ b/xex.js
@@ -2,25 +2,31 @@
 
 var Xex = {
   LogNode: null,
+  LogNodeLen: 0,
   Log: function (arg, indent, cont)
   {
     if (! Xex.LogNode)
       return;
-    if (typeof indent == 'number')
-      return;
     if (! arg)
-      Xex.LogNode.value = '';
+      {
+       while (Xex.LogNode.childNodes.length > 0)
+         Xex.LogNode.removeChild (Xex.LogNode.firstChild);
+       LogNodeLen = 0;
+      }
     else
       {
-       var str = '';
-       if (! cont)
-         {
-           str = "\n";
-           if (indent != undefined)
-             for (var i = 0; i <= indent; i++)
-               str += '  ';
-         }
-       Xex.LogNode.value += str + arg;
+       var node;
+       LogNodeLen++;
+       if (LogNodeLen >= 200)
+         node = Xex.LogNode.firstElement ();
+       else
+         node = document.createElement ('div');
+       if (indent != undefined)
+         node.style.textIndent = (indent + 1) + 'em';
+       else
+         node.style.textIndent = '0px';
+       node.innerText = LogNodeLen + ': ' + arg;
+       Xex.LogNode.appendChild (node);
        Xex.LogNode.scrollTop = Xex.LogNode.scrollHeight;
       }
   }
@@ -724,8 +730,8 @@ Xex.Funcall = function (func, vname, args)
     var arglist = ''
     var len = this.args.length;
     var str = '<' + this.func.name;
-    if (this.vari)
-      str += ' vname="' + this.vari.name + '"';
+    if (this.vname)
+      str += ' vname="' + this.vname + '"';
     if (len == 0)
       return str + '/>';
     if (this.func instanceof Xex.Subrountine)
@@ -3157,44 +3163,21 @@ MIM.get_range = function (target, ic)
       from = rr.text.length - r.text.length;
       to = rr.text.length;
     }
-  if (ic.range[0] == from && ic.range[1] == to
-      && (to == from || target.value.substring (from, to) == ic.preedit))
+  if (from == to
+      && from == ic.range[0] + ic.cursor_pos
+      && (ic.preedit.length == 0
+         || ic.preedit == target.value.substring (ic.range[0], ic.range[1])))
     return true;
+  Xex.Log ('reset ic');
+  ic.reset ();
   ic.range[0] = from;
   ic.range[1] = to;
   return false;
-}
-
-MIM.set_caret = function (target, ic)
-{
-  if (target.setSelectionRange)        // Mozilla
-    {
-      var scrollTop = target.scrollTop;
-      target.setSelectionRange (ic.range[0], ic.range[1]);
-      target.scrollTop = scrollTop;
-    }
-  else                         // IE
-    {
-      var range = target.createTextRange ();
-      range.moveStart ('character', ic.range[0]);
-      range.moveEnd ('character', ic.range[1]);
-      range.select ();
-    }
-};
-
-MIM.update = function (target, ic)
-{
-  var text = target.value;
-  target.value = (text.substring (0, ic.range[0])
-                 + ic.produced
-                 + ic.preedit
-                 + text.substring (ic.range[1]));
-  ic.range[0] += ic.produced.length;
-  ic.range[1] = ic.range[0] + ic.preedit.length;
-  MIM.set_caret (target, ic);
 };
 
 (function () {
+  var temp;
+
   var style_props = {
     width: 'width',
     height: 'height',
@@ -3227,30 +3210,98 @@ MIM.update = function (target, ic)
     to.style.height = from.offsetHeight;
   }
 
+  MIM.get_preedit_pos = function (target, ic)
+  {
+    if (! temp)
+      {
+       temp = document.createElement ('div');
+       temp.style.visibility = 'hidden';
+       temp.style.position = 'absolute';
+       temp.appendChild (document.createElement ('span'));
+       temp.appendChild (document.createElement ('span'));
+       document.getElementsByTagName ('body')[0].appendChild (temp);
+      }
+    if (temp.ic != ic)
+      {
+       temp.ic = ic;
+       copy_style (target, temp);
+       ic.abs_top = 0;
+       ic.abs_left = 0;
+       for (var elm = target.offsetParent; elm; elm = elm.offsetParent)
+         {
+           ic.abs_top += elm.offsetTop;
+           ic.abs_left += elm.offsetLeft;
+         }
+      }
+    temp.firstChild.innerText = target.value.substr (0, ic.range[0]);
+    temp.lastChild.innerText = "." + target.value.substr (ic.range[0], ic.range[1]);
+    ic.abs_y = (ic.abs_top + temp.lastChild.offsetTop
+               + temp.lastChild.offsetHeight - target.scrollTop);
+    ic.abs_x0 = ic.abs_left + temp.lastChild.offsetLeft;
+    ic.abs_x1 = ic.abs_x0 + temp.lastChild.offsetWidth;
+  }
+}) ();
+
+MIM.set_caret = function (target, ic)
+{
+  if (ic.preedit.length > 0)
+    {
+      MIM.get_preedit_pos (target, ic);
+      if (! ic.bar)
+       {
+         ic.bar = document.createElement ('div');
+         ic.bar.style.position = 'absolute';
+         ic.bar.style.backgroundColor = "black";
+         ic.bar.style.minHeight = '1px';
+         document.getElementsByTagName ('body')[0].appendChild (ic.bar);
+       }
+      ic.bar.style.display = 'block'
+      ic.bar.style.top = (ic.abs_y + 1) + 'px';
+      ic.bar.style.left = ic.abs_x0 + 'px';
+      ic.bar.style.minWidth = (ic.abs_x1 - ic.abs_x0) + 'px';
+    }
+  else if (ic.bar)
+    ic.bar.style.display = 'none'
+};
+
+MIM.update = function (target, ic, for_focus_out)
+{
+  var text = target.value;
+  target.value = (text.substring (0, ic.range[0])
+                 + ic.produced
+                 + ic.preedit
+                 + text.substring (ic.range[1]));
+  ic.range[0] += ic.produced.length;
+  ic.range[1] = ic.range[0] + ic.preedit.length;
+  MIM.set_caret (target, ic);
+  if (! for_focus_out)
+    {
+      var pos = ic.range[0] + ic.cursor_pos;
+      if (target.setSelectionRange) // Mozilla
+       {
+         var scrollTop = target.scrollTop;
+         target.setSelectionRange (pos, pos);
+         target.scrollTop = scrollTop;
+       }
+      else                     // IE
+       {
+         var range = target.createTextRange ();
+         range.moveStart ('character', pos);
+         range.moveEnd ('character', pos);
+         range.select ();
+       }
+    }
+};
+
+(function () {
   MIM.show = function (ic)
   {
     if (! ic.candidates)
       return;
     var target = ic.target;
-    if (! ic.div_node)
+    MIM.get_preedit_pos (target, ic);
+    if (! ic.can_node)
       {
-       ic.target_top = 0;
-       ic.target_left = 0;
-       for (var elm = ic.target.offsetParent; elm; elm = elm.offsetParent)
-         {
-           ic.target_top += elm.offsetTop;
-           ic.target_left += elm.offsetLeft;
-         }
-       ic.div_node = document.createElement ('div');
-       copy_style (target, ic.div_node);
-       ic.div_node.style.visibility="hidden";
-       ic.div_node.style.position = "absolute";
-       document.getElementsByTagName ('body')[0].appendChild (ic.div_node);
-       ic.div_node_first = document.createElement ('span');
-       ic.div_node_last = document.createElement('span');
-       ic.div_node_last.innerHTML = '.';
-       ic.div_node.appendChild (ic.div_node_first);
-       ic.div_node.appendChild (ic.div_node_last);
        ic.can_node = document.createElement ('table');
        ic.can_node.style.position = 'absolute';
        ic.can_node.style.display = 'none';
@@ -3280,12 +3331,8 @@ MIM.update = function (target, ic)
            tr.appendChild (td);
          }
        ic.can_node.appendChild (tr);
-       ic.div_node_first.innerHTML = target.value.substr (0, ic.range[0]);
-       var x = ic.target_left + ic.div_node.lastChild.offsetLeft;
-       var y = (ic.target_top + ic.div_node.lastChild.offsetTop
-                + ic.div_node.lastChild.offsetHeight - target.scrollTop + 10);
-       ic.can_node.style.left = x + 'px';
-       ic.can_node.style.top = y + 'px';
+       ic.can_node.style.top = (ic.abs_y + 10) + 'px';
+       ic.can_node.style.left = ic.abs_x0 + 'px';
       }
     else
       {
@@ -3308,41 +3355,26 @@ MIM.focus_in = function (event)
 {
   var target = event.target;
   var ic = target.mim_ic;
-  if (ic.wait_update == true)
-    {
-      Xex.Log ("Focus in " + target.tagName + ' IGNORED');
-      event.preventDefault ();
-      return false;
-    }
   Xex.Log ("Focus in " + target.tagName);
+  MIM.get_range (target, ic)
   ic.Filter (MIM.Key.FocusIn);
-  function up () {MIM.update (target, ic);}
-  setTimeout (up, 100);
+  setTimeout (function () { MIM.update (target, ic, false); }, 100);
+  return true;
 }
 
 MIM.focus_out = function (event)
 {
   var target = event.target;
   var ic = target.mim_ic;
-  function reset_update () { ic.wait_update = false; };
-  if (ic.wait_update == true)
-    {
-      Xex.Log ("Focus out " + target.tagName + ' IGNORED');
-      event.preventDefault ();
-      return false;
-    }
   Xex.Log ("Focus out " + target.tagName);
   ic.Filter (MIM.Key.FocusOut);
-  ic.wait_update = true;
   MIM.update (target, ic, true);
-  setTimeout (reset_update, 1000);
+  return true;
 };
 
 MIM.keydown = function (event)
 {
   var target = event.target;
-  if (target.id == 'log')
-    return;
   if (! (target.type == "text" || target.type == "textarea"))
     return;
 
@@ -3353,17 +3385,12 @@ MIM.keydown = function (event)
       Xex.Log ('creating IC');
       ic = new MIM.IC (MIM.current, target);
       if (ic.im.load_status != MIM.LoadStatus.Loaded)
-       return;
+       return true;
       target.mim_ic = ic;
       MIM.add_event_listener (target, 'focus', MIM.focus_in);
       MIM.add_event_listener (target, 'blur', MIM.focus_out);
-      MIM.get_range (target, ic)
-    }
-  else
-    {
-      if (! MIM.get_range (target, ic))
-       ic.reset ();
     }
+  MIM.get_range (target, ic)
   MIM.debug_print (event, ic);
   ic.key = MIM.decode_key_event (event);
   if (ic.key)
@@ -3374,7 +3401,7 @@ MIM.keydown = function (event)
        Xex.Log ('Error' + e);
        throw (e);
       }
-      MIM.update (target, ic);
+      MIM.update (target, ic, false);
       if (! ic.key_unhandled)
        event.preventDefault ();
     }
@@ -3383,8 +3410,6 @@ MIM.keydown = function (event)
 MIM.keypress = function (event)
 {
   var target = event.target;
-  if (target.id == 'log')
-    return;
   if (! (target.type == "text" || target.type == "textarea"))
     return;
 
@@ -3408,7 +3433,7 @@ MIM.keypress = function (event)
       Xex.Log ('Error:' + e);
       throw (e);
     }
-    MIM.update (target, ic);
+    MIM.update (target, ic, false);
     if (! ic.key_unhandled)
       event.preventDefault ();
   } catch (e) {
@@ -3537,18 +3562,23 @@ MIM.keypress = function (event)
   function destroy_menu () {
     if (! destroy_timer)
       destroy_timer = setTimeout (destroy, 1000);
+    return true;
   }
 
   function show_submenu (event)
   {
+    var target = event.target;
+    if (! target.menu_level)
+      {
+       if (! target.parentNode || ! target.parentNode.menu_level)
+         return true;
+       target = target.parentNode;
+      }
     if (destroy_timer)
       {
        clearTimeout (destroy_timer);
        destroy_timer = null;
       }
-    var target = event.target;
-    if (! target.menu_level)
-      return;
     if (last_target && target.parentLi != last_target)
       {
        last_target.style.backgroundColor = 'white';
@@ -3574,6 +3604,15 @@ MIM.keypress = function (event)
   function select_im (event)
   {
     var target = event.target;
+    if (! target.im)
+      {
+       if (! target.parentNode || ! target.parentNode.menu_level)
+         {
+           event.preventDefault ();
+           return false;
+         }
+       target = target.parentNode;
+      }
     if (target.im)
       {
        MIM.current = target.im;
@@ -3628,7 +3667,7 @@ MIM.keypress = function (event)
        menu.style.fontFamily = 'sans-serif';
        menu.style.fontWeight = 'bold';
        menu.id = 'mim-menu';
-       menu.onclick = select_im;
+       menu.onmousedown = select_im;
        menu.onmouseover = show_submenu;
        menu.onmouseout = destroy_menu;
        for (var catname in lang_category)
@@ -3702,7 +3741,7 @@ MIM.test = function ()
 MIM.init_debug = function ()
 {
   MIM.debug = true;
-  Xex.LogNode = document.getElementById ('log');
+  Xex.LogNode = document.getElementById ('xexlog');
   Xex.Log (null);
   MIM.init ();
 };