From c7721cce946a26dd99d945cddee26431b8d3b66a Mon Sep 17 00:00:00 2001
From: Sayamindu Dasgupta <sayamindu@gmail.com>
Date: Sun, 16 Aug 2009 21:38:07 +0000
Subject: Implement *_set() support for model, layout and layout switching option

---
(limited to 'extensions')

diff --git a/extensions/cpsection/keyboard/model.py b/extensions/cpsection/keyboard/model.py
index 9828963..9bc90eb 100644
--- a/extensions/cpsection/keyboard/model.py
+++ b/extensions/cpsection/keyboard/model.py
@@ -116,3 +116,29 @@ class XKB(gobject.GObject):
     
     def get_max_layouts(self):
         return self._engine.get_max_num_groups()
+
+    def set_model(self, model):
+        #XXX: Which one goes first ?
+        self._gconf_client.set_string(MODEL_KEY, model)
+        self._configrec.set_model(model)
+        self._configrec.activate(self._engine)
+
+    def set_option_grp(self, option_grp):
+        #XXX: Take a backup of existing settings first (there may be other hand set values)
+        options = [option_grp]
+        self._gconf_client.set_list(OPTIONS_KEY, gconf.VALUE_STRING, options)
+        self._configrec.set_options(options)
+        self._configrec.activate(self._engine)
+
+    def set_layouts(self, layouts):
+        self._gconf_client.set_list(LAYOUTS_KEY, gconf.VALUE_STRING, layouts)
+        layouts_list = []
+        variants_list = []
+        for layout in layouts:
+            layouts_list.append(layout.split('(')[0])
+            variants_list.append(layout.split('(')[1][:-1])
+            
+        self._configrec.set_layouts(layouts_list)
+        self._configrec.set_variants(variants_list)
+        self._configrec.activate(self._engine)        
+        
diff --git a/extensions/cpsection/keyboard/view.py b/extensions/cpsection/keyboard/view.py
index 148cec7..2f3f1ed 100644
--- a/extensions/cpsection/keyboard/view.py
+++ b/extensions/cpsection/keyboard/view.py
@@ -29,6 +29,8 @@ CLASS = 'Language'
 ICON = 'module-keyboard'
 TITLE = _('Keyboard')
 
+_APPLY_TIMEOUT = 3000
+
 class LayoutCombo(gtk.HBox):
     __gsignals__ = {
         'selection-changed' : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE,
@@ -143,13 +145,13 @@ class Keyboard(SectionView):
         self._vbox = gtk.VBox()
         scrollwindow.add_with_viewport(self._vbox)
         
-        self._kmodel_sid = None
-        self._layout_sid = None
-        self._group_switch_option_sid = None
+        self.__kmodel_sid = None
+        self.__layout_sid = None
+        self.__group_switch_sid = None
 
         self._setup_kmodel()
         self._setup_layouts()
-        self._setup_group_switch_option() 
+        self._setup_group_switch_option()
         
         self._vbox.show()
 
@@ -186,6 +188,27 @@ class Keyboard(SectionView):
         self._vbox.pack_start(box_kmodel, expand=False)
         box_kmodel.show_all()
 
+        self._kmodel_combo.connect('changed', self.__kmodel_changed_cb)
+
+    def __kmodel_changed_cb(self, combobox):
+        if self.__kmodel_sid is not None:
+            gobject.source_remove(self.__kmodel_sid)
+        self.__kmodel_sid = gobject.timeout_add(_APPLY_TIMEOUT, 
+            self.__kmodel_timeout_cb, combobox)
+
+    def __kmodel_timeout_cb(self, combobox):
+        it = combobox.get_active_iter()
+        model = combobox.get_model()
+        kmodel = model.get(it, 0)[0]
+        if kmodel == self._xkb.get_current_model():
+            return
+        try:
+            self._xkb.set_model(kmodel)
+        except:
+            pass #TODO: Show error
+
+        return False
+
     def _setup_group_switch_option(self):
         separator_grp_option = gtk.HSeparator()
         self._vbox.pack_start(separator_grp_option, expand=False)
@@ -216,7 +239,7 @@ class Keyboard(SectionView):
             found = False
             for row in self._grp_option_store:
                 if current_grp_option in row[0]:
-                    self._kmodel_combo.set_active_iter(row.iter)
+                    self._grp_option_combo.set_active_iter(row.iter)
                     found = True
                     break
             if not found:
@@ -226,6 +249,27 @@ class Keyboard(SectionView):
         self._vbox.pack_start(box_grp_option, expand=False)
         box_grp_option.show_all()
 
+        self._grp_option_combo.connect('changed', self.__group_switch_changed_cb)
+
+    def __group_switch_changed_cb(self, combobox):
+        if self.__group_switch_sid is not None:
+            gobject.source_remove(self.__group_switch_sid)
+        self.__group_switch_sid = gobject.timeout_add(_APPLY_TIMEOUT, 
+            self.__group_switch_timeout_cb, combobox)
+
+    def __group_switch_timeout_cb(self, combobox):
+        it = combobox.get_active_iter()
+        model = combobox.get_model()
+        group_switch = model.get(it, 0)[0]
+        if group_switch == self._xkb.get_current_option_grp():
+            return
+        try:
+            self._xkb.set_option_grp(group_switch)
+        except:
+            pass #TODO: Show error
+
+        return False
+
     def _setup_layouts(self):
         separator_klayout = gtk.HSeparator()
         self._vbox.pack_start(separator_klayout, expand=False)
@@ -266,11 +310,11 @@ class Keyboard(SectionView):
             else:
                 box.show_all()
                 if i == 1:
-                    # First row - no need for showing remove
+                    # First row - no need for showing remove btn
                     add, remove = box.get_children()
                     remove.props.visible = False
                 if i == self._xkb.get_max_layouts():
-                    # Last row - no need for showing add
+                    # Last row - no need for showing add btn
                     add, remove = box.get_children()
                     add.props.visible = False
             i += 1
@@ -317,3 +361,18 @@ class Keyboard(SectionView):
 
         self.__determine_add_remove_box_visibility()
 
+        if self.__layout_sid is not None:
+            gobject.source_remove(self.__layout_sid)
+        self.__layout_sid = gobject.timeout_add(_APPLY_TIMEOUT, 
+            self.__layout_timeout_cb)
+
+    def __layout_timeout_cb(self):
+        if self._selected_klayouts == self._xkb.get_current_layouts():
+            return
+        try:
+            self._xkb.set_layouts(self._selected_klayouts)
+        except:
+            pass #TODO: Show error
+
+        return False
+
--
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