Set fallback command of some keys

If keys are ignored by ibus, those fall back to nomal command.

SublimeIBusFallBackCommand.sublime-settings

@@ -0,0 +1,12 @@
+{
+	"backspace": { "command": "left_delete" },
+	"left": { "command": "move", "args": {"by": "characters", "forward": false} },
+	"right": { "command": "move", "args": {"by": "characters", "forward": true} },
+	"up": { "command": "move", "args": {"by": "lines", "forward": false} },
+	"down": { "command": "move", "args": {"by": "lines", "forward": true} },
+	"enter": { "command": "insert", "args": {"characters": "\n"} },
+	"pageup": { "command": "move", "args": {"by": "pages", "forward": false} },
+	"pagedown": { "command": "move", "args": {"by": "pages", "forward": true} },
+	"home": { "command": "move_to", "args": {"to": "bol", "extend": false} },
+	"end": { "command": "move_to", "args": {"to": "eol", "extend": false} }
+}

sublimeibusplugin.py

@@ -136,7 +136,12 @@ def ibus_hide_preedit_text_cb(self, id_no):
         pass
 
     def ibus_process_key_event_cb(self, id_no, handled):
-        pass
+        if handled == 0:
+            settings = sublime.load_settings('SublimeIBusFallBackCommand.sublime-settings')
+            cmd = settings.get(status.key)
+            if cmd is not None:
+                status.view.run_command(cmd.get('command', None),
+                                        cmd.get('args', None))
 
 
 class IbusToggleCommand(sublime_plugin.TextCommand):
@@ -159,6 +164,7 @@ def run(self, edit, key, alt=False, ctrl=False, shift=False, super=False):
 
         keysym = self.table.get(key, None)
         if keysym is not None:
+            status.key = key
             command.process_key(keysym)