[gnome-control-center] New search-based layout addition



commit fe04b358a420d8e03951473c98ac0740613eb8d4
Author: Sergey V. Udaltsov <svu gnome org>
Date:   Fri Feb 4 19:55:38 2011 +0000

    New search-based layout addition
    
    Bug #640772, see mockup
    Requires new version of libgnomekbd and libxklavier

 panels/region/gnome-region-panel-layout-chooser.ui |  260 ++-------
 panels/region/gnome-region-panel-xkb.c             |    9 +-
 panels/region/gnome-region-panel-xkb.h             |    2 +-
 panels/region/gnome-region-panel-xkblt.c           |    9 +-
 panels/region/gnome-region-panel-xkbltadd.c        |  587 ++++++--------------
 5 files changed, 221 insertions(+), 646 deletions(-)
---
diff --git a/panels/region/gnome-region-panel-layout-chooser.ui b/panels/region/gnome-region-panel-layout-chooser.ui
index 1516364..656386b 100644
--- a/panels/region/gnome-region-panel-layout-chooser.ui
+++ b/panels/region/gnome-region-panel-layout-chooser.ui
@@ -2,6 +2,18 @@
 <interface>
   <requires lib="gtk+" version="2.16"/>
   <!-- interface-naming-policy toplevel-contextual -->
+  <object class="GtkListStore" id="filtered_layout_list_model">
+    <columns>
+      <!-- column-name sort_order -->
+      <column type="gchararray"/>
+      <!-- column-name visible -->
+      <column type="gchararray"/>
+      <!-- column-name xkb_id -->
+      <column type="gchararray"/>
+      <!-- column-name real_id -->
+      <column type="gchararray"/>
+    </columns>
+  </object>
   <object class="GtkDialog" id="xkb_layout_chooser">
     <property name="visible">True</property>
     <property name="border_width">5</property>
@@ -19,159 +31,35 @@
             <property name="border_width">5</property>
             <property name="spacing">6</property>
             <child>
-              <object class="GtkNotebook" id="choosers_nb">
+              <object class="GtkVBox" id="vbox1">
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
+                <property name="spacing">6</property>
                 <child>
-                  <object class="GtkAlignment" id="alignment1">
+                  <object class="GtkLabel" id="label1">
                     <property name="visible">True</property>
-                    <property name="top_padding">3</property>
-                    <property name="bottom_padding">3</property>
-                    <property name="left_padding">3</property>
-                    <property name="right_padding">6</property>
-                    <child>
-                      <object class="GtkTable" id="table1">
-                        <property name="visible">True</property>
-                        <property name="n_rows">2</property>
-                        <property name="n_columns">2</property>
-                        <property name="column_spacing">12</property>
-                        <property name="row_spacing">6</property>
-                        <child>
-                          <object class="GtkComboBox" id="xkb_country_variants_available">
-                            <property name="visible">True</property>
-                            <property name="model">countryVariants</property>
-                          </object>
-                          <packing>
-                            <property name="left_attach">1</property>
-                            <property name="right_attach">2</property>
-                            <property name="top_attach">1</property>
-                            <property name="bottom_attach">2</property>
-                            <property name="x_options">GTK_FILL</property>
-                            <property name="y_options"></property>
-                          </packing>
-                        </child>
-                        <child>
-                          <object class="GtkComboBox" id="xkb_countries_available">
-                            <property name="visible">True</property>
-                            <property name="model">countries</property>
-                          </object>
-                          <packing>
-                            <property name="left_attach">1</property>
-                            <property name="right_attach">2</property>
-                            <property name="x_options">GTK_FILL</property>
-                            <property name="y_options"></property>
-                          </packing>
-                        </child>
-                        <child>
-                          <object class="GtkLabel" id="label4">
-                            <property name="visible">True</property>
-                            <property name="xalign">0</property>
-                            <property name="label" translatable="yes">_Variants:</property>
-                            <property name="use_underline">True</property>
-                            <property name="mnemonic_widget">xkb_country_variants_available</property>
-                          </object>
-                          <packing>
-                            <property name="top_attach">1</property>
-                            <property name="bottom_attach">2</property>
-                            <property name="x_options">GTK_FILL</property>
-                            <property name="y_options"></property>
-                          </packing>
-                        </child>
-                        <child>
-                          <object class="GtkLabel" id="label3">
-                            <property name="visible">True</property>
-                            <property name="xalign">0</property>
-                            <property name="label" translatable="yes">_Country:</property>
-                            <property name="use_underline">True</property>
-                            <property name="mnemonic_widget">xkb_countries_available</property>
-                          </object>
-                          <packing>
-                            <property name="x_options">GTK_FILL</property>
-                            <property name="y_options"></property>
-                          </packing>
-                        </child>
-                      </object>
-                    </child>
-                  </object>
-                </child>
-                <child type="tab">
-                  <object class="GtkLabel" id="label22">
-                    <property name="visible">True</property>
-                    <property name="label" translatable="yes">By _country</property>
-                    <property name="use_underline">True</property>
+                    <property name="xalign">0</property>
+                    <property name="label" translatable="yes">Select an input source to add</property>
                   </object>
                   <packing>
-                    <property name="tab_fill">False</property>
+                    <property name="expand">False</property>
+                    <property name="fill">False</property>
+                    <property name="position">0</property>
                   </packing>
                 </child>
                 <child>
-                  <object class="GtkAlignment" id="alignment2">
+                  <object class="GtkScrolledWindow" id="scrolledwindow1">
                     <property name="visible">True</property>
-                    <property name="top_padding">3</property>
-                    <property name="bottom_padding">3</property>
-                    <property name="left_padding">3</property>
-                    <property name="right_padding">3</property>
+                    <property name="can_focus">True</property>
+                    <property name="hscrollbar_policy">never</property>
+                    <property name="vscrollbar_policy">automatic</property>
                     <child>
-                      <object class="GtkTable" id="table3">
+                      <object class="GtkTreeView" id="xkb_filtered_layouts_list">
                         <property name="visible">True</property>
-                        <property name="n_rows">2</property>
-                        <property name="n_columns">2</property>
-                        <property name="column_spacing">12</property>
-                        <property name="row_spacing">6</property>
-                        <child>
-                          <object class="GtkComboBox" id="xkb_language_variants_available">
-                            <property name="visible">True</property>
-                            <property name="model">languageVariants</property>
-                          </object>
-                          <packing>
-                            <property name="left_attach">1</property>
-                            <property name="right_attach">2</property>
-                            <property name="top_attach">1</property>
-                            <property name="bottom_attach">2</property>
-                            <property name="x_options">GTK_FILL</property>
-                            <property name="y_options"></property>
-                          </packing>
-                        </child>
-                        <child>
-                          <object class="GtkComboBox" id="xkb_languages_available">
-                            <property name="visible">True</property>
-                            <property name="model">languages</property>
-                          </object>
-                          <packing>
-                            <property name="left_attach">1</property>
-                            <property name="right_attach">2</property>
-                            <property name="x_options">GTK_FILL</property>
-                            <property name="y_options"></property>
-                          </packing>
-                        </child>
-                        <child>
-                          <object class="GtkLabel" id="label13">
-                            <property name="visible">True</property>
-                            <property name="xalign">0</property>
-                            <property name="label" translatable="yes">_Variants:</property>
-                            <property name="use_underline">True</property>
-                            <property name="mnemonic_widget">xkb_country_variants_available</property>
-                          </object>
-                          <packing>
-                            <property name="top_attach">1</property>
-                            <property name="bottom_attach">2</property>
-                            <property name="x_options">GTK_FILL</property>
-                            <property name="y_options"></property>
-                          </packing>
-                        </child>
-                        <child>
-                          <object class="GtkLabel" id="label12">
-                            <property name="visible">True</property>
-                            <property name="xalign">0</property>
-                            <property name="label" translatable="yes">_Language:</property>
-                            <property name="use_underline">True</property>
-                            <property name="mnemonic_widget">xkb_countries_available</property>
-                          </object>
-                          <packing>
-                            <property name="x_options">GTK_FILL</property>
-                            <property name="y_options"></property>
-                          </packing>
-                        </child>
+                        <property name="can_focus">True</property>
+                        <property name="model">filtered_layout_list_model</property>
+                        <property name="headers_visible">False</property>
+                        <property name="search_column">0</property>
+                        <property name="tooltip_column">0</property>
                       </object>
                     </child>
                   </object>
@@ -179,66 +67,20 @@
                     <property name="position">1</property>
                   </packing>
                 </child>
-                <child type="tab">
-                  <object class="GtkLabel" id="label9">
-                    <property name="visible">True</property>
-                    <property name="label" translatable="yes">By _language</property>
-                    <property name="use_underline">True</property>
-                  </object>
-                  <packing>
-                    <property name="position">1</property>
-                    <property name="tab_fill">False</property>
-                  </packing>
-                </child>
               </object>
               <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
                 <property name="position">0</property>
               </packing>
             </child>
             <child>
-              <object class="GtkVBox" id="vboxPreview">
+              <object class="GtkEntry" id="xkb_layout_filter">
                 <property name="visible">True</property>
-                <property name="spacing">6</property>
-                <child>
-                  <object class="GtkHBox" id="hbox1">
-                    <property name="visible">True</property>
-                    <property name="spacing">6</property>
-                    <child>
-                      <object class="GtkLabel" id="label10">
-                        <property name="visible">True</property>
-                        <property name="xalign">0</property>
-                        <property name="label" translatable="yes">Preview:</property>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">False</property>
-                        <property name="position">0</property>
-                      </packing>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="expand">False</property>
-                    <property name="fill">False</property>
-                    <property name="position">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkFrame" id="previewFrame">
-                    <property name="visible">True</property>
-                    <property name="label_xalign">0</property>
-                    <property name="shadow_type">in</property>
-                    <child>
-                      <placeholder/>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="position">1</property>
-                  </packing>
-                </child>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">â?¢</property>
               </object>
               <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
                 <property name="position">1</property>
               </packing>
             </child>
@@ -252,13 +94,11 @@
             <property name="visible">True</property>
             <property name="layout_style">end</property>
             <child>
-              <object class="GtkButton" id="btnPrint">
-                <property name="label">gtk-print</property>
+              <object class="GtkButton" id="btnPreview">
+                <property name="label" translatable="yes">Preview</property>
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_stock">True</property>
+                <property name="receives_default">True</property>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -268,8 +108,8 @@
               </packing>
             </child>
             <child>
-              <object class="GtkButton" id="cancelbutton2">
-                <property name="label">gtk-cancel</property>
+              <object class="GtkButton" id="btnOk">
+                <property name="label">gtk-add</property>
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="can_default">True</property>
@@ -279,12 +119,13 @@
               <packing>
                 <property name="expand">False</property>
                 <property name="fill">False</property>
-                <property name="position">1</property>
+                <property name="pack_type">end</property>
+                <property name="position">2</property>
               </packing>
             </child>
             <child>
-              <object class="GtkButton" id="btnOk1">
-                <property name="label">gtk-add</property>
+              <object class="GtkButton" id="btnCancel">
+                <property name="label">gtk-cancel</property>
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="can_default">True</property>
@@ -294,7 +135,8 @@
               <packing>
                 <property name="expand">False</property>
                 <property name="fill">False</property>
-                <property name="position">2</property>
+                <property name="pack_type">end</property>
+                <property name="position">1</property>
               </packing>
             </child>
           </object>
@@ -307,13 +149,9 @@
       </object>
     </child>
     <action-widgets>
-      <action-widget response="1">btnPrint</action-widget>
-      <action-widget response="-6">cancelbutton2</action-widget>
-      <action-widget response="-5">btnOk1</action-widget>
+      <action-widget response="1">btnPreview</action-widget>
+      <action-widget response="-5">btnOk</action-widget>
+      <action-widget response="-6">btnCancel</action-widget>
     </action-widgets>
   </object>
-  <object class="GtkListStore" id="countries"/>
-  <object class="GtkListStore" id="countryVariants"/>
-  <object class="GtkListStore" id="languages"/>
-  <object class="GtkListStore" id="languageVariants"/>
 </interface>
diff --git a/panels/region/gnome-region-panel-xkb.c b/panels/region/gnome-region-panel-xkb.c
index 7ddb7a8..352e05f 100644
--- a/panels/region/gnome-region-panel-xkb.c
+++ b/panels/region/gnome-region-panel-xkb.c
@@ -41,10 +41,13 @@ GSettings *xkb_keyboard_settings;
 GSettings *xkb_desktop_settings;
 
 char *
-xci_desc_to_utf8 (XklConfigItem * ci)
+xci_desc_to_utf8 (const XklConfigItem * ci)
 {
-	char *sd = g_strstrip (ci->description);
-	return sd[0] == 0 ? g_strdup (ci->name) : g_strdup (sd);
+	gchar *dd = g_strdup (ci->description);
+	gchar *sd = g_strstrip (dd);
+	gchar *rv = g_strdup (sd[0] == 0 ? ci->name : sd);
+	g_free (dd);
+	return rv;
 }
 
 static void
diff --git a/panels/region/gnome-region-panel-xkb.h b/panels/region/gnome-region-panel-xkb.h
index e4201a0..11f0be5 100644
--- a/panels/region/gnome-region-panel-xkb.h
+++ b/panels/region/gnome-region-panel-xkb.h
@@ -52,7 +52,7 @@ extern void xkb_options_load_options (GtkBuilder * dialog);
 
 extern void xkb_options_popup_dialog (GtkBuilder * dialog);
 
-extern char *xci_desc_to_utf8 (XklConfigItem * ci);
+extern char *xci_desc_to_utf8 (const XklConfigItem * ci);
 
 extern gchar *xkb_layout_description_utf8 (const gchar * visible);
 
diff --git a/panels/region/gnome-region-panel-xkblt.c b/panels/region/gnome-region-panel-xkblt.c
index 49fac8b..a58fafc 100644
--- a/panels/region/gnome-region-panel-xkblt.c
+++ b/panels/region/gnome-region-panel-xkblt.c
@@ -335,16 +335,11 @@ show_selected_layout (GtkWidget * button, GtkBuilder * dialog)
 	gint idx = find_selected_layout_idx (dialog);
 
 	if (idx != -1) {
-		gchar **layouts_list = xkb_layouts_get_selected_list ();
-		const gchar *id = layouts_list[idx];
-		char *descr = xkb_layout_description_utf8 (id);
 		GtkWidget *parent = WID ("region_notebook");
-		GtkWidget *popup =
-		    gkbd_keyboard_drawing_new_dialog (idx, descr);
+		GtkWidget *popup = gkbd_keyboard_drawing_dialog_new ();
+		gkbd_keyboard_drawing_dialog_set_group (popup, idx);
 		gtk_window_set_transient_for (GTK_WINDOW (popup),
 					      GTK_WINDOW (gtk_widget_get_toplevel (parent)));
-		g_strfreev (layouts_list);
-		g_free (descr);
 	}
 }
 
diff --git a/panels/region/gnome-region-panel-xkbltadd.c b/panels/region/gnome-region-panel-xkbltadd.c
index 07d6ad5..cc0417e 100644
--- a/panels/region/gnome-region-panel-xkbltadd.c
+++ b/panels/region/gnome-region-panel-xkbltadd.c
@@ -33,58 +33,105 @@
 enum {
 	COMBO_BOX_MODEL_COL_SORT,
 	COMBO_BOX_MODEL_COL_VISIBLE,
-	COMBO_BOX_MODEL_COL_XKB_ID,
-	COMBO_BOX_MODEL_COL_REAL_ID
+	COMBO_BOX_MODEL_COL_XKB_ID
 };
 
-typedef void (*LayoutIterFunc) (XklConfigRegistry * config,
-				ConfigItemProcessFunc func, gpointer data);
-
-typedef struct {
-	GtkListStore *list_store;
-	const gchar *lang_id;
-} AddVariantData;
+#define RESPONSE_PREVIEW 1
 
 static void
-xkb_layout_chooser_available_layouts_fill (GtkBuilder * chooser_dialog,
-					   const gchar cblid[],
-					   const gchar cbvid[],
-					   LayoutIterFunc layout_iterator,
-					   ConfigItemProcessFunc
-					   layout_handler,
-					   GCallback combo_changed_notify);
+xkl_layout_chooser_add_default_switcher_if_necessary (gchar **
+						      layouts_list)
+{
+	gchar **options_list = xkb_options_get_selected_list ();
+	gboolean was_appended;
 
-static void
-xkb_layout_chooser_available_language_variants_fill (GtkBuilder *
-						     chooser_dialog);
+	options_list =
+	    gkbd_keyboard_config_add_default_switch_option_if_necessary
+	    (layouts_list, options_list, &was_appended);
+	if (was_appended)
+		xkb_options_set_selected_list (options_list);
+	g_strfreev (options_list);
+}
 
 static void
-xkb_layout_chooser_available_country_variants_fill (GtkBuilder *
-						    chooser_dialog);
+xkb_layout_chooser_response (GtkDialog * dialog,
+			     gint response, GtkBuilder * chooser_dialog)
+{
+	switch (response)
+	case GTK_RESPONSE_OK:{
+			gchar *selected_id = (gchar *)
+			    xkb_layout_chooser_get_selected_id
+			    (chooser_dialog);
+
+			if (selected_id != NULL) {
+				gchar **layouts_list =
+				    xkb_layouts_get_selected_list ();
+
+				layouts_list =
+				    gkbd_strv_append (layouts_list,
+						      g_strdup
+						      (selected_id));
+
+				xkb_layouts_set_selected_list
+				    (layouts_list);
+
+				xkl_layout_chooser_add_default_switcher_if_necessary
+				    (layouts_list);
+
+				g_strfreev (layouts_list);
+			}
+			break;
+	case RESPONSE_PREVIEW:{
+				gchar *selected_id = (gchar *)
+				    xkb_layout_chooser_get_selected_id
+				    (chooser_dialog);
+
+				if (selected_id != NULL) {
+					GtkWidget *dlg =
+					    gkbd_keyboard_drawing_dialog_new
+					    ();
+					gkbd_keyboard_drawing_dialog_set_layout
+					    (dlg, config_registry, selected_id);
+					gtk_window_set_transient_for
+					    (GTK_WINDOW (dlg),
+					     GTK_WINDOW (CWID
+							 ("xkb_layout_chooser")));
+					gtk_widget_show_all (dlg);
+				}
+			}
+
+			return;
+		}
+	gtk_widget_destroy (GTK_WIDGET (dialog));
+}
 
 static void
- xkb_layout_chooser_add_variant_to_available_country_variants
-    (XklConfigRegistry * config_registry,
-     XklConfigItem * parent_config_item, XklConfigItem * config_item,
-     AddVariantData * data) {
-	gchar *utf_variant_name = config_item ?
-	    xkb_layout_description_utf8 (gkbd_keyboard_config_merge_items
-					 (parent_config_item->name,
-					  config_item->name)) :
-	    xci_desc_to_utf8 (parent_config_item);
+xkl_layout_add_to_filtered_list (XklConfigRegistry * config,
+				 const XklConfigItem * item,
+				 const XklConfigItem * subitem,
+				 GtkBuilder * chooser_dialog)
+{
+	GtkListStore *list_store =
+	    GTK_LIST_STORE (gtk_builder_get_object (chooser_dialog,
+						    "filtered_layout_list_model"));
 	GtkTreeIter iter;
+	gchar *utf_variant_name =
+	    subitem ?
+	    xkb_layout_description_utf8 (gkbd_keyboard_config_merge_items
+					 (item->name,
+					  subitem->name)) :
+	    xci_desc_to_utf8 (item);
 	const gchar *xkb_id =
-	    config_item ?
-	    gkbd_keyboard_config_merge_items (parent_config_item->name,
-					      config_item->name) :
-	    parent_config_item->name;
+	    subitem ? gkbd_keyboard_config_merge_items (item->name,
+							subitem->name) :
+	    item->name;
 
-	if (config_item && g_object_get_data
-	    (G_OBJECT (config_item), XCI_PROP_EXTRA_ITEM)) {
+	if (subitem
+	    && g_object_get_data (G_OBJECT (subitem),
+				  XCI_PROP_EXTRA_ITEM)) {
 		gchar *buf =
 		    g_strdup_printf ("<i>%s</i>", utf_variant_name);
-		gtk_list_store_insert_with_values (data->list_store, &iter,
-						   -1,
+		gtk_list_store_insert_with_values (list_store, &iter, -1,
 						   COMBO_BOX_MODEL_COL_SORT,
 						   utf_variant_name,
 						   COMBO_BOX_MODEL_COL_VISIBLE,
@@ -93,7 +140,7 @@ static void
 						   xkb_id, -1);
 		g_free (buf);
 	} else
-		gtk_list_store_insert_with_values (data->list_store, &iter,
+		gtk_list_store_insert_with_values (list_store, &iter,
 						   -1,
 						   COMBO_BOX_MODEL_COL_SORT,
 						   utf_variant_name,
@@ -105,425 +152,117 @@ static void
 }
 
 static void
- xkb_layout_chooser_add_variant_to_available_language_variants
-    (XklConfigRegistry * config_registry,
-     XklConfigItem * parent_config_item, XklConfigItem * config_item,
-     AddVariantData * data) {
-	xkb_layout_chooser_add_variant_to_available_country_variants
-	    (config_registry, parent_config_item, config_item, data);
-}
-
-static void
-xkb_layout_chooser_add_language_to_available_languages (XklConfigRegistry *
-							config_registry,
-							XklConfigItem *
-							config_item,
-							GtkListStore *
-							list_store)
-{
-	gtk_list_store_insert_with_values (list_store, NULL, -1,
-					   COMBO_BOX_MODEL_COL_SORT,
-					   config_item->description,
-					   COMBO_BOX_MODEL_COL_VISIBLE,
-					   config_item->description,
-					   COMBO_BOX_MODEL_COL_REAL_ID,
-					   config_item->name, -1);
-}
-
-static void
-xkb_layout_chooser_add_country_to_available_countries (XklConfigRegistry *
-						       config_registry,
-						       XklConfigItem *
-						       config_item,
-						       GtkListStore *
-						       list_store)
-{
-	gtk_list_store_insert_with_values (list_store, NULL, -1,
-					   COMBO_BOX_MODEL_COL_SORT,
-					   config_item->description,
-					   COMBO_BOX_MODEL_COL_VISIBLE,
-					   config_item->description,
-					   COMBO_BOX_MODEL_COL_REAL_ID,
-					   config_item->name, -1);
-}
-
-static void
-xkb_layout_chooser_enable_disable_buttons (GtkBuilder * chooser_dialog)
-{
-	GtkWidget *cbv =
-	    CWID (gtk_notebook_get_current_page
-		  (GTK_NOTEBOOK (CWID ("choosers_nb"))) ?
-		  "xkb_language_variants_available" :
-		  "xkb_country_variants_available");
-	GtkTreeIter viter;
-	gboolean enable_ok =
-	    gtk_combo_box_get_active_iter (GTK_COMBO_BOX (cbv),
-					   &viter);
-
-	gtk_dialog_set_response_sensitive (GTK_DIALOG
-					   (CWID
-					    ("xkb_layout_chooser")),
-					   GTK_RESPONSE_OK, enable_ok);
-	gtk_widget_set_sensitive (CWID ("btnPrint"), enable_ok);
-}
-
-static void
-xkb_layout_chooser_available_variant_changed (GtkBuilder * chooser_dialog)
-{
-	xkb_layout_preview_update (chooser_dialog);
-	xkb_layout_chooser_enable_disable_buttons (chooser_dialog);
-}
-
-static void
-xkb_layout_chooser_available_language_changed (GtkBuilder * chooser_dialog)
-{
-	xkb_layout_chooser_available_language_variants_fill
-	    (chooser_dialog);
-	xkb_layout_chooser_available_variant_changed (chooser_dialog);
-}
-
-static void
-xkb_layout_chooser_available_country_changed (GtkBuilder * chooser_dialog)
-{
-	xkb_layout_chooser_available_country_variants_fill
-	    (chooser_dialog);
-	xkb_layout_chooser_available_variant_changed (chooser_dialog);
-}
-
-static void
-xkb_layout_chooser_page_changed (GtkWidget * notebook, GtkWidget * page,
-				 gint page_num,
-				 GtkBuilder * chooser_dialog)
-{
-	xkb_layout_chooser_available_variant_changed (chooser_dialog);
-}
-
-static void
-xkb_layout_chooser_available_language_variants_fill (GtkBuilder *
-						     chooser_dialog)
-{
-	GtkWidget *cbl = CWID ("xkb_languages_available");
-	GtkWidget *cbv = CWID ("xkb_language_variants_available");
-	GtkListStore *list_store;
-	GtkTreeIter liter;
-
-	list_store = gtk_list_store_new
-	    (4, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
-	     G_TYPE_STRING);
-
-	/* Turn on sorting after filling the store, since that's faster */
-	gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE
-					      (list_store),
-					      COMBO_BOX_MODEL_COL_SORT,
-					      GTK_SORT_ASCENDING);
-
-	if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX (cbl), &liter)) {
-		GtkTreeModel *lm =
-		    gtk_combo_box_get_model (GTK_COMBO_BOX (cbl));
-		gchar *lang_id;
-		AddVariantData data = { list_store, 0 };
-
-		/* Now the variants of the selected layout */
-		gtk_tree_model_get (lm, &liter,
-				    COMBO_BOX_MODEL_COL_REAL_ID,
-				    &lang_id, -1);
-		data.lang_id = lang_id;
-
-		xkl_config_registry_foreach_language_variant
-		    (config_registry, lang_id, (TwoConfigItemsProcessFunc)
-		     xkb_layout_chooser_add_variant_to_available_language_variants,
-		     &data);
-		g_free (lang_id);
-	}
-
-	gtk_combo_box_set_model (GTK_COMBO_BOX (cbv),
-				 GTK_TREE_MODEL (list_store));
-	gtk_combo_box_set_active (GTK_COMBO_BOX (cbv), 0);
-}
-
-static void
-xkb_layout_chooser_available_country_variants_fill (GtkBuilder *
-						    chooser_dialog)
+xkb_layout_filter_changed (GtkBuilder * chooser_dialog)
 {
-	GtkWidget *cbl = CWID ("xkb_countries_available");
-	GtkWidget *cbv = CWID ("xkb_country_variants_available");
-	GtkListStore *list_store;
-	GtkTreeIter liter;
-
-	list_store = gtk_list_store_new
-	    (4, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
-	     G_TYPE_STRING);
-
-	/* Turn on sorting after filling the store, since that's faster */
-	gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE
-					      (list_store),
-					      COMBO_BOX_MODEL_COL_SORT,
-					      GTK_SORT_ASCENDING);
-
-	if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX (cbl), &liter)) {
-		GtkTreeModel *lm =
-		    gtk_combo_box_get_model (GTK_COMBO_BOX (cbl));
-		gchar *country_id;
-		AddVariantData data = { list_store, 0 };
-
-		/* Now the variants of the selected layout */
-		gtk_tree_model_get (lm, &liter,
-				    COMBO_BOX_MODEL_COL_REAL_ID,
-				    &country_id, -1);
-		xkl_config_registry_foreach_country_variant
-		    (config_registry, country_id,
-		     (TwoConfigItemsProcessFunc)
-		     xkb_layout_chooser_add_variant_to_available_country_variants,
-		     &data);
-		g_free (country_id);
-	}
-
-	gtk_combo_box_set_model (GTK_COMBO_BOX (cbv),
-				 GTK_TREE_MODEL (list_store));
-	gtk_combo_box_set_active (GTK_COMBO_BOX (cbv), 0);
+	GtkWidget *xkb_layout_filter = CWID ("xkb_layout_filter");
+	const gchar *pattern =
+	    gtk_entry_get_text (GTK_ENTRY (xkb_layout_filter));
+	GtkListStore *model =
+	    GTK_LIST_STORE (gtk_builder_get_object (chooser_dialog,
+						    "filtered_layout_list_model"));
+
+	gtk_list_store_clear (model);
+	xkl_config_registry_search_by_pattern (config_registry, pattern,
+					       (TwoConfigItemsProcessFunc)
+					       (xkl_layout_add_to_filtered_list), chooser_dialog);
 }
 
 static void
-xkb_layout_chooser_available_layouts_fill (GtkBuilder *
-					   chooser_dialog,
-					   const gchar cblid[],
-					   const gchar cbvid[],
-					   LayoutIterFunc layout_iterator,
-					   ConfigItemProcessFunc
-					   layout_handler,
-					   GCallback combo_changed_notify)
+xkb_layout_chooser_selection_changed (GtkTreeSelection * selection,
+				      GtkBuilder * chooser_dialog)
 {
-	GtkWidget *cbl = CWID (cblid);
-	GtkWidget *cbev = CWID (cbvid);
-	GtkCellRenderer *renderer;
-	GtkListStore *list_store;
-
-	list_store = gtk_list_store_new
-	    (4, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
-	     G_TYPE_STRING);
-
-	gtk_combo_box_set_model (GTK_COMBO_BOX (cbl),
-				 GTK_TREE_MODEL (list_store));
-
-	renderer = gtk_cell_renderer_text_new ();
-	gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cbl), renderer, TRUE);
-	gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (cbl),
-					renderer, "markup",
-					COMBO_BOX_MODEL_COL_VISIBLE, NULL);
-
-	/* Turn on sorting after filling the model since that's faster */
-	gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE
-					      (list_store),
-					      COMBO_BOX_MODEL_COL_SORT,
-					      GTK_SORT_ASCENDING);
-
-	layout_iterator (config_registry, layout_handler, list_store);
-
-	g_signal_connect_swapped (G_OBJECT (cbl), "changed",
-				  combo_changed_notify, chooser_dialog);
-
-	/* Setup the variants combo */
-	renderer = gtk_cell_renderer_text_new ();
-	gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cbev),
-				    renderer, TRUE);
-	gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (cbev),
-					renderer, "markup",
-					COMBO_BOX_MODEL_COL_VISIBLE, NULL);
-
-	g_signal_connect_swapped (G_OBJECT (cbev), "changed",
-				  G_CALLBACK
-				  (xkb_layout_chooser_available_variant_changed),
-				  chooser_dialog);
-}
-
-static void
-xkl_layout_chooser_add_default_switcher_if_necessary (gchar **
-						      layouts_list)
-{
-	gchar **options_list = xkb_options_get_selected_list ();
-	gboolean was_appended;
-
-	options_list =
-	    gkbd_keyboard_config_add_default_switch_option_if_necessary
-	    (layouts_list, options_list, &was_appended);
-	if (was_appended)
-		xkb_options_set_selected_list (options_list);
-	g_strfreev (options_list);
-}
-
-static void
-xkb_layout_chooser_print (GtkBuilder * chooser_dialog)
-{
-	GtkWidget *chooser = CWID ("xkb_layout_chooser");
-	GtkWidget *kbdraw =
-	    GTK_WIDGET (g_object_get_data (G_OBJECT (chooser), "kbdraw"));
-	const char *id =
-	    xkb_layout_chooser_get_selected_id (chooser_dialog);
-	char *descr = xkb_layout_description_utf8 (id);
-	gkbd_keyboard_drawing_print (GKBD_KEYBOARD_DRAWING
-				     (kbdraw),
-				     GTK_WINDOW (CWID
-						 ("xkb_layout_chooser")),
-				     descr);
-	g_free (descr);
-}
-
-static void
-xkb_layout_chooser_response (GtkDialog * dialog,
-			     gint response, GtkBuilder * chooser_dialog)
-{
-	GdkRectangle rect;
-
-	if (response == GTK_RESPONSE_OK) {
-		gchar *selected_id = (gchar *)
-		    xkb_layout_chooser_get_selected_id (chooser_dialog);
-
-		if (selected_id != NULL) {
-			gchar **layouts_list =
-			    xkb_layouts_get_selected_list ();
-
-			layouts_list =
-			    gkbd_strv_append (layouts_list,
-					      g_strdup (selected_id));
-
-			xkb_layouts_set_selected_list (layouts_list);
-
-			xkl_layout_chooser_add_default_switcher_if_necessary
-			    (layouts_list);
-
-			g_strfreev (layouts_list);
-		}
-	} else if (response == gtk_dialog_get_response_for_widget
-		   (dialog, CWID ("btnPrint"))) {
-		xkb_layout_chooser_print (chooser_dialog);
-		g_signal_stop_emission_by_name (dialog, "response");
-		return;
-	}
-
-	gtk_window_get_position (GTK_WINDOW (dialog), &rect.x, &rect.y);
-	gtk_window_get_size (GTK_WINDOW (dialog), &rect.width,
-			     &rect.height);
-	gkbd_preview_save_position (&rect);
-	gtk_widget_destroy (GTK_WIDGET (dialog));
+	GList *selected_layouts =
+	    gtk_tree_selection_get_selected_rows (selection, NULL);
+	GtkWidget *add_button = CWID ("btnOk");
+	GtkWidget *preview_button = CWID ("btnPreview");
+	gboolean anything_selected = g_list_length (selected_layouts) == 1;
+	gtk_widget_set_sensitive (add_button, anything_selected);
+	gtk_widget_set_sensitive (preview_button, anything_selected);
 }
 
 void
 xkb_layout_choose (GtkBuilder * dialog)
 {
-	GtkBuilder *chooser_dialog;
+	GtkBuilder *chooser_dialog = gtk_builder_new ();
+	GtkWidget *chooser, *xkb_filtered_layouts_list, *xkb_layout_filter;
+	GtkTreeViewColumn *visible_column;
+	GtkTreeSelection *selection;
 
-	chooser_dialog = gtk_builder_new ();
 	gtk_builder_add_from_file (chooser_dialog, GNOMECC_UI_DIR
 				   "/gnome-region-panel-layout-chooser.ui",
 				   NULL);
-	GtkWidget *chooser = CWID ("xkb_layout_chooser");
-	GtkWidget *lang_chooser = CWID ("xkb_languages_available");
-	GtkWidget *notebook = CWID ("choosers_nb");
-	GtkWidget *kbdraw = NULL;
-	GtkWidget *toplevel = NULL;
+	chooser = CWID ("xkb_layout_chooser");
+	xkb_filtered_layouts_list = CWID ("xkb_filtered_layouts_list");
+	xkb_layout_filter = CWID ("xkb_layout_filter");
+
+	visible_column =
+	    gtk_tree_view_column_new_with_attributes ("Layout",
+						      gtk_cell_renderer_text_new
+						      (), "text",
+						      COMBO_BOX_MODEL_COL_VISIBLE,
+						      NULL);
 
 	gtk_window_set_transient_for (GTK_WINDOW (chooser),
-				      GTK_WINDOW (gtk_widget_get_toplevel (WID ("region_notebook"))));
-
-	xkb_layout_chooser_available_layouts_fill (chooser_dialog,
-						   "xkb_countries_available",
-						   "xkb_country_variants_available",
-						   xkl_config_registry_foreach_country,
-						   (ConfigItemProcessFunc)
-						   xkb_layout_chooser_add_country_to_available_countries,
-						   G_CALLBACK
-						   (xkb_layout_chooser_available_country_changed));
-	xkb_layout_chooser_available_layouts_fill (chooser_dialog,
-						   "xkb_languages_available",
-						   "xkb_language_variants_available",
-						   xkl_config_registry_foreach_language,
-						   (ConfigItemProcessFunc)
-						   xkb_layout_chooser_add_language_to_available_languages,
-						   G_CALLBACK
-						   (xkb_layout_chooser_available_language_changed));
-
-	g_signal_connect_after (G_OBJECT (notebook), "switch_page",
-				G_CALLBACK
-				(xkb_layout_chooser_page_changed),
-				chooser_dialog);
-
-	gtk_combo_box_set_active (GTK_COMBO_BOX
-				  (CWID ("xkb_countries_available")),
-				  FALSE);
-
-	if (gtk_tree_model_iter_n_children
-	    (gtk_combo_box_get_model (GTK_COMBO_BOX (lang_chooser)),
-	     NULL)) {
-		gtk_combo_box_set_active (GTK_COMBO_BOX
-					  (CWID
-					   ("xkb_languages_available")),
-					  FALSE);
-	} else {
-		/* If language info is not available - remove the corresponding tab,
-		   pretend there is no notebook at all */
-		gtk_notebook_remove_page (GTK_NOTEBOOK (notebook), 1);
-		gtk_notebook_set_show_tabs (GTK_NOTEBOOK (notebook),
-					    FALSE);
-		gtk_notebook_set_show_border (GTK_NOTEBOOK (notebook),
-					      FALSE);
-	}
-
-#ifdef HAVE_X11_EXTENSIONS_XKB_H
-	if (!strcmp (xkl_engine_get_backend_name (engine), "XKB")) {
-		kbdraw = xkb_layout_preview_create_widget (chooser_dialog);
-		g_object_set_data (G_OBJECT (chooser), "kbdraw", kbdraw);
-		gtk_container_add (GTK_CONTAINER
-				   (CWID ("previewFrame")), kbdraw);
-		gtk_widget_show_all (kbdraw);
-		gtk_button_box_set_child_secondary (GTK_BUTTON_BOX
-						    (CWID
-						     ("hbtnBox")),
-						    CWID
-						    ("btnPrint"), TRUE);
-	} else
-#endif
-	{
-		gtk_widget_hide (CWID ("vboxPreview"));
-		gtk_widget_hide (CWID ("btnPrint"));
-	}
+				      GTK_WINDOW (gtk_widget_get_toplevel
+						  (WID
+						   ("region_notebook"))));
+
+	gtk_tree_view_append_column (GTK_TREE_VIEW
+				     (xkb_filtered_layouts_list),
+				     visible_column);
+	g_signal_connect_swapped (G_OBJECT (xkb_layout_filter),
+				  "notify::text",
+				  G_CALLBACK (xkb_layout_filter_changed),
+				  chooser_dialog);
 
 	g_signal_connect (G_OBJECT (chooser),
 			  "response",
 			  G_CALLBACK (xkb_layout_chooser_response),
 			  chooser_dialog);
 
-	toplevel = gtk_widget_get_toplevel (chooser);
-	if (gtk_widget_is_toplevel (toplevel)) {
-		GdkRectangle *rect = gkbd_preview_load_position ();
-		if (rect != NULL) {
-			gtk_window_move (GTK_WINDOW (toplevel),
-					 rect->x, rect->y);
-			gtk_window_resize (GTK_WINDOW (toplevel),
-					   rect->width, rect->height);
-			g_free (rect);
-		}
-	}
+	selection =
+	    gtk_tree_view_get_selection (GTK_TREE_VIEW
+					 (xkb_filtered_layouts_list));
+
+	g_signal_connect (G_OBJECT (selection),
+			  "changed",
+			  G_CALLBACK
+			  (xkb_layout_chooser_selection_changed),
+			  chooser_dialog);
+
+	xkb_layout_chooser_selection_changed (selection, chooser_dialog);
+
+	xkb_layout_filter_changed (chooser_dialog);
 
-	xkb_layout_preview_update (chooser_dialog);
 	gtk_widget_show (chooser);
 }
 
 gchar *
 xkb_layout_chooser_get_selected_id (GtkBuilder * chooser_dialog)
 {
-	GtkWidget *cbv =
-	    CWID (gtk_notebook_get_current_page
-		  (GTK_NOTEBOOK (CWID ("choosers_nb"))) ?
-		  "xkb_language_variants_available" :
-		  "xkb_country_variants_available");
-	GtkTreeModel *vm = gtk_combo_box_get_model (GTK_COMBO_BOX (cbv));
+	GtkListStore *list_store =
+	    GTK_LIST_STORE (gtk_builder_get_object (chooser_dialog,
+						    "filtered_layout_list_model"));
+	GtkWidget *xkb_filtered_layouts_list =
+	    CWID ("xkb_filtered_layouts_list");
 	GtkTreeIter viter;
 	gchar *v_id;
+	GtkTreeSelection *selection =
+	    gtk_tree_view_get_selection (GTK_TREE_VIEW
+					 (xkb_filtered_layouts_list));
+	GList *selected_layouts =
+	    gtk_tree_selection_get_selected_rows (selection, NULL);
 
-	if (!gtk_combo_box_get_active_iter (GTK_COMBO_BOX (cbv), &viter))
+	if (g_list_length (selected_layouts) != 1)
 		return NULL;
 
-	gtk_tree_model_get (vm, &viter,
+	gtk_tree_model_get_iter (GTK_TREE_MODEL (list_store), &viter,
+				 (GtkTreePath *) (selected_layouts->data));
+	g_list_foreach (selected_layouts, (GFunc) gtk_tree_path_free,
+			NULL);
+	g_list_free (selected_layouts);
+
+	gtk_tree_model_get (GTK_TREE_MODEL (list_store), &viter,
 			    COMBO_BOX_MODEL_COL_XKB_ID, &v_id, -1);
 
 	return v_id;



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