[gnome-flashback] input-sources: create list of user's input sources

[Alberts Muktupāvels <muktupavels src gnome org>]

commit def37c5843b7caa3dc6f9b7a00d88914d126714c
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Tue Sep 22 06:39:10 2015 +0300

    input-sources: create list of user's input sources

 gnome-flashback/libinput-sources/gf-ibus-manager.c |    7 +
 gnome-flashback/libinput-sources/gf-ibus-manager.h |    6 +-
 .../libinput-sources/gf-input-source-manager.c     |  197 +++++++++++++++++++-
 .../libinput-sources/gf-input-sources.c            |    2 +
 .../libinput-sources/gf-keyboard-manager.c         |   10 +
 .../libinput-sources/gf-keyboard-manager.h         |   28 ++--
 6 files changed, 234 insertions(+), 16 deletions(-)
---
diff --git a/gnome-flashback/libinput-sources/gf-ibus-manager.c 
b/gnome-flashback/libinput-sources/gf-ibus-manager.c
index 8011318..9b9151c 100644
--- a/gnome-flashback/libinput-sources/gf-ibus-manager.c
+++ b/gnome-flashback/libinput-sources/gf-ibus-manager.c
@@ -62,3 +62,10 @@ gf_ibus_manager_new (void)
 {
   return g_object_new (GF_TYPE_IBUS_MANAGER, NULL);
 }
+
+IBusEngineDesc *
+gf_ibus_manager_get_engine_desc (GfIBusManager *manager,
+                                 const gchar   *id)
+{
+  return NULL;
+}
diff --git a/gnome-flashback/libinput-sources/gf-ibus-manager.h 
b/gnome-flashback/libinput-sources/gf-ibus-manager.h
index 7886eb5..aa2201d 100644
--- a/gnome-flashback/libinput-sources/gf-ibus-manager.h
+++ b/gnome-flashback/libinput-sources/gf-ibus-manager.h
@@ -19,11 +19,15 @@
 #define GF_IBUS_MANAGER_H
 
 #include <glib-object.h>
+#include <ibus-1.0/ibus.h>
 
 #define GF_TYPE_IBUS_MANAGER gf_ibus_manager_get_type ()
 G_DECLARE_FINAL_TYPE (GfIBusManager, gf_ibus_manager,
                       GF, IBUS_MANAGER, GObject)
 
-GfIBusManager *gf_ibus_manager_new (void);
+GfIBusManager  *gf_ibus_manager_new             (void);
+
+IBusEngineDesc *gf_ibus_manager_get_engine_desc (GfIBusManager *manager,
+                                                 const gchar   *id);
 
 #endif
diff --git a/gnome-flashback/libinput-sources/gf-input-source-manager.c 
b/gnome-flashback/libinput-sources/gf-input-source-manager.c
index 5c956a9..e070c8d 100644
--- a/gnome-flashback/libinput-sources/gf-input-source-manager.c
+++ b/gnome-flashback/libinput-sources/gf-input-source-manager.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (C) 2015 Alberts Muktupāvels
  * Copyright (C) 2015 Sebastian Geiger
  *
  * This program is free software: you can redistribute it and/or modify
@@ -18,6 +19,7 @@
 #include "config.h"
 
 #include <gio/gio.h>
+#include <glib/gi18n.h>
 #include <libcommon/gf-keybindings.h>
 
 #include "gf-input-source-manager.h"
@@ -30,6 +32,20 @@
 #define KEY_SWITCH_INPUT_SOURCE "switch-input-source"
 #define KEY_SWITCH_INPUT_SOURCE_BACKWARD "switch-input-source-backward"
 
+#define INPUT_SOURCE_TYPE_XKB "xkb"
+#define INPUT_SOURCE_TYPE_IBUS "ibus"
+
+typedef struct _SourceInfo SourceInfo;
+struct _SourceInfo
+{
+  gchar *type;
+
+  gchar *id;
+
+  gchar *display_name;
+  gchar *short_name;
+};
+
 struct _GfInputSourceManager
 {
   GObject                parent;
@@ -44,10 +60,9 @@ struct _GfInputSourceManager
   GfKeyboardManager     *keyboard_manager;
 
   GfIBusManager         *ibus_manager;
+  gboolean               disable_ibus;
 };
 
-G_DEFINE_TYPE (GfInputSourceManager, gf_input_source_manager, G_TYPE_OBJECT)
-
 enum
 {
   PROP_0,
@@ -59,6 +74,41 @@ enum
 
 static GParamSpec *properties[LAST_PROP] = { NULL };
 
+G_DEFINE_TYPE (GfInputSourceManager, gf_input_source_manager, G_TYPE_OBJECT)
+
+static SourceInfo *
+source_info_new (const gchar *type,
+                 const gchar *id,
+                 const gchar *display_name,
+                 const gchar *short_name)
+{
+  SourceInfo *info;
+
+  info = g_new0 (SourceInfo, 1);
+
+  info->type = g_strdup (type);
+  info->id = g_strdup (id);
+  info->display_name = g_strdup (display_name);
+  info->short_name = g_strdup (short_name);
+
+  return info;
+}
+
+static void
+source_info_free (gpointer data)
+{
+  SourceInfo *info;
+
+  info = (SourceInfo *) data;
+
+  g_free (info->type);
+  g_free (info->id);
+  g_free (info->display_name);
+  g_free (info->short_name);
+
+  g_free (info);
+}
+
 static void
 switch_input_changed_cb (GSettings *settings,
                          gchar     *key,
@@ -160,10 +210,153 @@ keybindings_init (GfInputSourceManager *manager)
   switch_input_backward_changed_cb (manager->wm_keybindings, NULL, manager);
 }
 
+static gchar *
+make_engine_short_name (IBusEngineDesc *engine_desc)
+{
+  const gchar *symbol;
+  const gchar *language_code;
+  gchar **codes;
+
+  symbol = ibus_engine_desc_get_symbol (engine_desc);
+
+  if (symbol != NULL && symbol[0] != '\0')
+    return g_strdup (symbol);
+
+  language_code = ibus_engine_desc_get_language (engine_desc);
+  codes = g_strsplit (language_code, "_", 2);
+
+  if (strlen (codes[0]) == 2 || strlen (codes[0]) == 3)
+    {
+      gchar *short_name;
+
+      short_name = g_ascii_strdown (codes[0], -1);
+      g_strfreev (codes);
+
+      return short_name;
+    }
+
+  g_strfreev (codes);
+
+  return g_strdup_printf ("\u2328");
+}
+
+static GList *
+get_source_info_list (GfInputSourceManager *manager)
+{
+  GVariant *sources;
+  GnomeXkbInfo *xkb_info;
+  GList *list;
+  gsize size;
+  gsize i;
+
+  sources = gf_input_source_settings_get_sources (manager->settings);
+  xkb_info = gf_keyboard_manager_get_xkb_info (manager->keyboard_manager);
+
+  list = NULL;
+  size = g_variant_n_children (sources);
+
+  for (i = 0; i < size; i++)
+    {
+      const gchar *type;
+      const gchar *id;
+      SourceInfo *info;
+
+      g_variant_get_child (sources, i, "(&s&s)", &type, &id);
+      info = NULL;
+
+      if (g_strcmp0 (type, INPUT_SOURCE_TYPE_XKB) == 0)
+        {
+          gboolean exists;
+          const gchar *display_name;
+          const gchar *short_name;
+
+          exists = gnome_xkb_info_get_layout_info (xkb_info, id, &display_name,
+                                                   &short_name, NULL, NULL);
+
+          if (exists)
+            info = source_info_new (type, id, display_name, short_name);
+        }
+      else if (g_strcmp0 (type, INPUT_SOURCE_TYPE_IBUS) == 0)
+        {
+          IBusEngineDesc *engine_desc;
+          const gchar *language_code;
+          const gchar *language;
+          const gchar *longname;
+          const gchar *textdomain;
+          gchar *display_name;
+          gchar *short_name;
+
+          if (manager->disable_ibus)
+            continue;
+
+          engine_desc = gf_ibus_manager_get_engine_desc (manager->ibus_manager,
+                                                         id);
+
+          if (engine_desc == NULL)
+            continue;
+
+          language_code = ibus_engine_desc_get_language (engine_desc);
+          language = ibus_get_language_name (language_code);
+          longname = ibus_engine_desc_get_longname (engine_desc);
+          textdomain = ibus_engine_desc_get_textdomain (engine_desc);
+
+          if (*textdomain != '\0' && *longname != '\0')
+            longname = g_dgettext (textdomain, longname);
+
+          display_name = g_strdup_printf ("%s (%s)", language, longname);
+          short_name = make_engine_short_name (engine_desc);
+
+          info = source_info_new (type, id, display_name, short_name);
+
+          g_free (display_name);
+          g_free (short_name);
+        }
+
+      if (info != NULL)
+        list = g_list_append (list, info);
+    }
+
+  g_variant_unref (sources);
+
+  if (list == NULL)
+    {
+      const gchar *type;
+      const gchar *id;
+      const gchar *display_name;
+      const gchar *short_name;
+      SourceInfo *info;
+
+      type = INPUT_SOURCE_TYPE_XKB;
+      id = gf_keyboard_manager_get_default_layout (manager->keyboard_manager);
+
+      gnome_xkb_info_get_layout_info (xkb_info, id, &display_name,
+                                      &short_name, NULL, NULL);
+
+      info = source_info_new (type, id, display_name, short_name);
+      list = g_list_append (list, info);
+    }
+
+  g_object_unref (xkb_info);
+
+  return list;
+}
+
 static void
 sources_changed_cb (GfInputSourceSettings *settings,
                     gpointer               user_data)
 {
+  GfInputSourceManager *manager;
+  GList *source_infos;
+  GList *l;
+
+  manager = GF_INPUT_SOURCE_MANAGER (user_data);
+  source_infos = get_source_info_list (manager);
+
+  for (l = source_infos; l != NULL; l = g_list_next (l))
+    {
+    }
+
+  g_list_free_full (source_infos, source_info_free);
 }
 
 static void
diff --git a/gnome-flashback/libinput-sources/gf-input-sources.c 
b/gnome-flashback/libinput-sources/gf-input-sources.c
index 66e68e6..9e47de2 100644
--- a/gnome-flashback/libinput-sources/gf-input-sources.c
+++ b/gnome-flashback/libinput-sources/gf-input-sources.c
@@ -59,6 +59,8 @@ gf_input_sources_init (GfInputSources *sources)
 {
   sources->ibus_manager = gf_ibus_manager_new ();
   sources->input_source_manager = gf_input_source_manager_new (sources->ibus_manager);
+
+  gf_input_source_manager_reload (sources->input_source_manager);
 }
 
 GfInputSources *
diff --git a/gnome-flashback/libinput-sources/gf-keyboard-manager.c 
b/gnome-flashback/libinput-sources/gf-keyboard-manager.c
index 66faf49..c59049c 100644
--- a/gnome-flashback/libinput-sources/gf-keyboard-manager.c
+++ b/gnome-flashback/libinput-sources/gf-keyboard-manager.c
@@ -680,3 +680,13 @@ gf_keyboard_manager_ungrab (GfKeyboardManager *manager,
 
   gdk_device_ungrab (manager->keyboard, timestamp);
 }
+
+/**
+ * gf_keyboard_manager_get_default_layout:
+ * @manager: a #GfKeyboardManager
+ */
+const gchar *
+gf_keyboard_manager_get_default_layout (GfKeyboardManager *manager)
+{
+  return DEFAULT_LAYOUT;
+}
diff --git a/gnome-flashback/libinput-sources/gf-keyboard-manager.h 
b/gnome-flashback/libinput-sources/gf-keyboard-manager.h
index 31fc96c..f850efb 100644
--- a/gnome-flashback/libinput-sources/gf-keyboard-manager.h
+++ b/gnome-flashback/libinput-sources/gf-keyboard-manager.h
@@ -27,26 +27,28 @@ G_BEGIN_DECLS
 G_DECLARE_FINAL_TYPE (GfKeyboardManager, gf_keyboard_manager,
                       GF, KEYBOARD_MANAGER, GObject)
 
-GfKeyboardManager *gf_keyboard_manager_new              (void);
+GfKeyboardManager *gf_keyboard_manager_new                (void);
 
-GnomeXkbInfo      *gf_keyboard_manager_get_xkb_info     (GfKeyboardManager  *manager);
+GnomeXkbInfo      *gf_keyboard_manager_get_xkb_info       (GfKeyboardManager  *manager);
 
-void               gf_keyboard_manager_set_xkb_options  (GfKeyboardManager  *manager,
-                                                         gchar             **options);
+void               gf_keyboard_manager_set_xkb_options    (GfKeyboardManager  *manager,
+                                                           gchar             **options);
 
-void               gf_keyboard_manager_set_user_layouts (GfKeyboardManager  *manager,
-                                                         gchar             **ids);
+void               gf_keyboard_manager_set_user_layouts   (GfKeyboardManager  *manager,
+                                                           gchar             **ids);
 
-void               gf_keyboard_manager_apply            (GfKeyboardManager  *manager,
-                                                         const gchar        *id);
+void               gf_keyboard_manager_apply              (GfKeyboardManager  *manager,
+                                                           const gchar        *id);
 
-void               gf_keyboard_manager_reapply          (GfKeyboardManager  *manager);
+void               gf_keyboard_manager_reapply            (GfKeyboardManager  *manager);
 
-void               gf_keyboard_manager_grab             (GfKeyboardManager  *manager,
-                                                         guint32             timestamp);
+void               gf_keyboard_manager_grab               (GfKeyboardManager  *manager,
+                                                           guint32             timestamp);
 
-void               gf_keyboard_manager_ungrab           (GfKeyboardManager  *manager,
-                                                         guint32             timestamp);
+void               gf_keyboard_manager_ungrab             (GfKeyboardManager  *manager,
+                                                           guint32             timestamp);
+
+const gchar       *gf_keyboard_manager_get_default_layout (GfKeyboardManager  *manager);
 
 G_END_DECLS