start of a caret mode

chrome/content/vimperator/events.js

@@ -382,6 +382,10 @@ function Events() //{{{
     {
         if (!vimperator.hasMode(vimperator.modes.ESCAPE_ONE_KEY))
         {
+            // setting this option will trigger an observer which will care about all other details
+            if (vimperator.hasMode(vimperator.modes.CARET))
+                Options.setFirefoxPref("accessibility.browsewithcaret", false);
+
             vimperator.setMode(vimperator.modes.NORMAL);
             vimperator.commandline.clear();
             vimperator.hints.disableHahMode();
@@ -711,6 +715,41 @@ function Events() //{{{
         .getInterface(Components.interfaces.nsIXULWindow)
         .XULBrowserWindow = window.XULBrowserWindow;
     getBrowser().addProgressListener(this.progressListener, Components.interfaces.nsIWebProgress.NOTIFY_ALL);
+
+
+    this.prefObserver =
+    {
+        register: function()
+        {
+            var prefService = Components.classes["@mozilla.org/preferences-service;1"]
+                  .getService(Components.interfaces.nsIPrefService);
+              this._branch = prefService.getBranch(""); // better way to monitor all changes?
+              this._branch.QueryInterface(Components.interfaces.nsIPrefBranch2);
+              this._branch.addObserver("", this, false);
+        },
+
+        unregister: function()
+        {
+            if(!this._branch) return;
+            this._branch.removeObserver("", this);
+        },
+
+        observe: function(aSubject, aTopic, aData)
+        {
+            if(aTopic != "nsPref:changed") return;
+            // aSubject is the nsIPrefBranch we're observing (after appropriate QI)
+            // aData is the name of the pref that's been changed (relative to aSubject)
+            switch (aData)
+            {
+                case "accessibility.browsewithcaret":
+                    var value = Options.getFirefoxPref("accessibility.browsewithcaret", false);
+                    vimperator.setMode(value ? vimperator.modes.CARET : vimperator.modes.NORMAL, null);
+                    break;
+            }
+         }
+    }
+    this.prefObserver.register();
+
     //}}}
 } //}}}
 

chrome/content/vimperator/mappings.js

@@ -309,6 +309,18 @@ function Mappings() //{{{
             help: "In command line mode, you can perform extended commands, which may require arguments."
         }
     ));
+    addDefaultMap(new Map(vimperator.modes.NORMAL, ["i"],
+        function()
+        {
+            Options.setFirefoxPref("accessibility.browsewithcaret", true);
+            vimperator.setMode(vimperator.modes.CARET, null);
+        },
+        {
+            short_help: "Start caret mode",
+            help: "This mode resembles the vim normal mode where you see a text cursor and can move around. " +
+            "NOTE: Movement keys are not really working for the moment."
+        }
+    ));
     addDefaultMap(new Map(vimperator.modes.NORMAL, ["I"],
         function() { vimperator.addMode(null, vimperator.modes.ESCAPE_ALL_KEYS); },
         {

chrome/content/vimperator/vimperator.js

@@ -40,6 +40,7 @@ const vimperator = (function() //{{{
         VISUAL:           1 << 2,
         HINTS:            1 << 3,
         COMMAND_LINE:     1 << 4,
+        CARET:            1 << 5, // text cursor is visible
         // extended modes
         EX:               1 << 10,
         READ_MULTILINE:   1 << 11,
@@ -58,6 +59,7 @@ const vimperator = (function() //{{{
     mode_messages[modes.INSERT]          = "INSERT";
     mode_messages[modes.VISUAL]          = "VISUAL";
     mode_messages[modes.HINTS]           = "HINTS";
+    mode_messages[modes.CARET]           = "CARET"; // XXX: not a perfect name
     mode_messages[modes.ESCAPE_ONE_KEY]  = "escape one key";
     mode_messages[modes.ESCAPE_ALL_KEYS] = "escape all keys";
     mode_messages[modes.ESCAPE_ONE_KEY | modes.ESCAPE_ALL_KEYS] = "pass one key";
@@ -92,13 +94,10 @@ const vimperator = (function() //{{{
             return;
         }
 
-        if (str_mode && str_extended)
+        if (str_extended)
             str_extended = " (" + str_extended + ")";
         else
-        {
-            str_extended = "(" + str_extended + ")";
-            str_mode = "";
-        }
+            str_extended = "";
 
         vimperator.echo("-- " + str_mode + str_extended + " --");
     }
@@ -293,7 +292,10 @@ const vimperator = (function() //{{{
 
             popup.height = box.height;
             popup.width = box.width;
-            popup.showPopup(win, box.screenX, box.screenY, "popup");
+            ////popup.showPopup(win, box.screenX, box.screenY, "popup");
+            //popup.showPopup(win, -1, -1, "popup", "topleft", "topleft");
+
+            popup.openPopup(win, "overlap", 0, 0, false, false)
 
             setTimeout(function() { popup.hidePopup(); }, 50);
         },

chrome/content/vimperator/vimperator.xul

@@ -117,9 +117,12 @@ the terms of any one of the MPL, the GPL or the LGPL.
            <!-- other keys are handled inside vimperator.js event loop -->
         </keyset>
 
+        <!--
         <popupset id="vimperator-popupset">
             <popup id="vimperator-visualbell"/>
         </popupset>
+        -->
+        <panel id="vimperator-visualbell"/>
 
     </window>
 </overlay>