[gnome-flashback] input-sources: add GfInputSourceSettings

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 401780d3cf04bef4d0815da691862e1f7f08eaf6
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Sep 20 02:50:25 2015 +0300

    input-sources: add GfInputSourceSettings

 gnome-flashback/libinput-sources/Makefile.am       |    2 +
 .../libinput-sources/gf-input-source-manager.c     |   52 +++++-
 .../libinput-sources/gf-input-source-settings.c    |  193 ++++++++++++++++++++
 .../libinput-sources/gf-input-source-settings.h    |   37 ++++
 4 files changed, 282 insertions(+), 2 deletions(-)
---
diff --git a/gnome-flashback/libinput-sources/Makefile.am b/gnome-flashback/libinput-sources/Makefile.am
index cd589b8..da42f95 100644
--- a/gnome-flashback/libinput-sources/Makefile.am
+++ b/gnome-flashback/libinput-sources/Makefile.am
@@ -20,6 +20,8 @@ libinput_sources_la_SOURCES = \
        gf-input-sources.h \
        gf-input-source-manager.c \
        gf-input-source-manager.h \
+       gf-input-source-settings.c \
+       gf-input-source-settings.h \
        $(NULL)
 
 libinput_sources_la_LDFLAGS = \
diff --git a/gnome-flashback/libinput-sources/gf-input-source-manager.c 
b/gnome-flashback/libinput-sources/gf-input-source-manager.c
index 89d0687..24eb74d 100644
--- a/gnome-flashback/libinput-sources/gf-input-source-manager.c
+++ b/gnome-flashback/libinput-sources/gf-input-source-manager.c
@@ -18,13 +18,16 @@
 #include "config.h"
 
 #include "gf-input-source-manager.h"
+#include "gf-input-source-settings.h"
 #include "gf-ibus-manager.h"
 
 struct _GfInputSourceManager
 {
-  GObject        parent;
+  GObject                parent;
 
-  GfIBusManager *ibus_manager;
+  GfInputSourceSettings *settings;
+
+  GfIBusManager         *ibus_manager;
 };
 
 G_DEFINE_TYPE (GfInputSourceManager, gf_input_source_manager, G_TYPE_OBJECT)
@@ -41,6 +44,49 @@ enum
 static GParamSpec *properties[LAST_PROP] = { NULL };
 
 static void
+sources_changed_cb (GfInputSourceSettings *settings,
+                    gpointer               user_data)
+{
+}
+
+static void
+xkb_options_changed_cb (GfInputSourceSettings *settings,
+                        gpointer               user_data)
+{
+}
+
+static void
+per_window_changed_cb (GfInputSourceSettings *settings,
+                       gpointer               user_data)
+{
+}
+
+static void
+input_source_settings_init (GfInputSourceManager *manager)
+{
+  manager->settings = gf_input_source_settings_new ();
+
+  g_signal_connect (manager->settings, "sources-changed",
+                    G_CALLBACK (sources_changed_cb), manager);
+  g_signal_connect (manager->settings, "xkb-options-changed",
+                    G_CALLBACK (xkb_options_changed_cb), manager);
+  g_signal_connect (manager->settings, "per-window-changed",
+                    G_CALLBACK (per_window_changed_cb), manager);
+}
+
+static void
+gf_input_source_manager_dispose (GObject *object)
+{
+  GfInputSourceManager *manager;
+
+  manager = GF_INPUT_SOURCE_MANAGER (object);
+
+  g_clear_object (&manager->settings);
+
+  G_OBJECT_CLASS (gf_input_source_manager_parent_class)->dispose (object);
+}
+
+static void
 gf_input_source_manager_set_property (GObject      *object,
                                       guint         property_id,
                                       const GValue *value,
@@ -91,6 +137,7 @@ gf_input_source_manager_class_init (GfInputSourceManagerClass *manager_class)
 
   object_class = G_OBJECT_CLASS (manager_class);
 
+  object_class->dispose = gf_input_source_manager_dispose;
   object_class->get_property = gf_input_source_manager_get_property;
   object_class->set_property = gf_input_source_manager_set_property;
 
@@ -107,6 +154,7 @@ gf_input_source_manager_class_init (GfInputSourceManagerClass *manager_class)
 static void
 gf_input_source_manager_init (GfInputSourceManager *manager)
 {
+  input_source_settings_init (manager);
 }
 
 GfInputSourceManager *
diff --git a/gnome-flashback/libinput-sources/gf-input-source-settings.c 
b/gnome-flashback/libinput-sources/gf-input-source-settings.c
new file mode 100644
index 0000000..871ee6d
--- /dev/null
+++ b/gnome-flashback/libinput-sources/gf-input-source-settings.c
@@ -0,0 +1,193 @@
+/*
+ * Copyright (C) 2015 Alberts Muktupāvels
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gio/gio.h>
+
+#include "gf-input-source-settings.h"
+
+#define DESKTOP_INPUT_SOURCES_SCHEMA "org.gnome.desktop.input-sources"
+
+#define KEY_SOURCES "sources"
+#define KEY_XKB_OPTIONS "xkb-options"
+#define KEY_PER_WINDOW "per-window"
+
+struct _GfInputSourceSettings
+{
+  GObject    parent;
+
+  GSettings *settings;
+};
+
+enum
+{
+  SIGNAL_SOURCES_CHANGED,
+  SIGNAL_XKB_OPTIONS_CHANGED,
+  SIGNAL_PER_WINDOW_CHANGED,
+
+  LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+G_DEFINE_TYPE (GfInputSourceSettings, gf_input_source_settings, G_TYPE_OBJECT)
+
+static void
+changed_cb (GSettings *settings,
+            gchar     *key,
+            gpointer   user_data)
+{
+  GfInputSourceSettings *source_settings;
+
+  source_settings = GF_INPUT_SOURCE_SETTINGS (user_data);
+
+  if (g_strcmp0 (key, KEY_SOURCES) == 0)
+    g_signal_emit (source_settings, signals[SIGNAL_SOURCES_CHANGED], 0);
+  else if (g_strcmp0 (key, KEY_XKB_OPTIONS) == 0)
+    g_signal_emit (source_settings, signals[SIGNAL_XKB_OPTIONS_CHANGED], 0);
+  else if (g_strcmp0 (key, KEY_PER_WINDOW) == 0)
+    g_signal_emit (source_settings, signals[SIGNAL_PER_WINDOW_CHANGED], 0);
+}
+
+static void
+gf_input_source_settings_dispose (GObject *object)
+{
+  GfInputSourceSettings *settings;
+
+  settings = GF_INPUT_SOURCE_SETTINGS (object);
+
+  g_clear_object (&settings->settings);
+
+  G_OBJECT_CLASS (gf_input_source_settings_parent_class)->dispose (object);
+}
+
+static void
+gf_input_source_settings_class_init (GfInputSourceSettingsClass *settings_class)
+{
+  GObjectClass *object_class;
+
+  object_class = G_OBJECT_CLASS (settings_class);
+
+  object_class->dispose = gf_input_source_settings_dispose;
+
+  /**
+   * GfInputSourceSettings::sources-changed:
+   * @settings: the object on which the signal is emitted
+   *
+   * The ::sources-changed signal is emitted each time when sources setting
+   * has changed.
+   */
+  signals[SIGNAL_SOURCES_CHANGED] =
+    g_signal_new ("sources-changed", G_TYPE_FROM_CLASS (settings_class),
+                  G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
+
+  /**
+   * GfInputSourceSettings::xkb-options-changed:
+   * @settings: the object on which the signal is emitted
+   *
+   * The ::xkb-options-changed signal is emitted each time when xkb-options
+   * setting has changed.
+   */
+  signals[SIGNAL_XKB_OPTIONS_CHANGED] =
+    g_signal_new ("xkb-options-changed", G_TYPE_FROM_CLASS (settings_class),
+                  G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
+
+  /**
+   * GfInputSourceSettings::per-window-changed:
+   * @settings: the object on which the signal is emitted
+   *
+   * The ::per-window-changed signal is emitted each time when per-window
+   * setting has changed.
+   */
+  signals[SIGNAL_PER_WINDOW_CHANGED] =
+    g_signal_new ("per-window-changed", G_TYPE_FROM_CLASS (settings_class),
+                  G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
+}
+
+static void
+gf_input_source_settings_init (GfInputSourceSettings *settings)
+{
+  settings->settings = g_settings_new (DESKTOP_INPUT_SOURCES_SCHEMA);
+
+  g_signal_connect (settings->settings, "changed",
+                    G_CALLBACK (changed_cb), settings);
+}
+
+/**
+ * gf_input_source_settings_new:
+ *
+ * Creates a new #GfInputSourceSettings.
+ *
+ * Returns: (transfer full): a newly created #GfInputSourceSettings.
+ */
+GfInputSourceSettings *
+gf_input_source_settings_new (void)
+{
+  return g_object_new (GF_TYPE_INPUT_SOURCE_SETTINGS, NULL);
+}
+
+/**
+ * gf_input_source_settings_get_sources:
+ * @settings: a #GfInputSourceSettings
+ *
+ * List of input source identifiers available. Each source is specified as a
+ * tuple of 2 strings. The first string is the type and can be one of 'xkb' or
+ * 'ibus'.
+ *
+ * For 'xkb' sources the second string is 'xkb_layout+xkb_variant' or just
+ * 'xkb_layout' if a XKB variant isn't needed.
+ *
+ * For 'ibus' sources the second string is the IBus engine name.
+ *
+ * Returns: (transfer full): a #GVariant with list of input sources.
+ */
+GVariant *
+gf_input_source_settings_get_sources (GfInputSourceSettings *settings)
+{
+  return g_settings_get_value (settings->settings, KEY_SOURCES);
+}
+
+/**
+ * gf_input_source_settings_get_xkb_options:
+ * @settings: a #GfInputSourceSettings
+ *
+ * Returns list of XKB options. Each option is an XKB option string as defined
+ * by xkeyboard-config's rules files.
+ *
+ * Returns: (array zero-terminated=1) (transfer full): a newly-allocated,
+ *          %NULL-termindated array of xkb options.
+ */
+gchar **
+gf_input_source_settings_get_xkb_options (GfInputSourceSettings *settings)
+{
+  return g_settings_get_strv (settings->settings, KEY_XKB_OPTIONS);
+}
+
+/**
+ * gf_input_source_settings_get_per_window:
+ * @settings: a #GfInputSourceSettings
+ *
+ * Returns if input sources should be attached to currently focused window.
+ *
+ * Returns: %TRUE if input sources should be attached to focused window
+ */
+gboolean
+gf_input_source_settings_get_per_window (GfInputSourceSettings *settings)
+{
+  return g_settings_get_boolean (settings->settings, KEY_PER_WINDOW);
+}
diff --git a/gnome-flashback/libinput-sources/gf-input-source-settings.h 
b/gnome-flashback/libinput-sources/gf-input-source-settings.h
new file mode 100644
index 0000000..eac0196
--- /dev/null
+++ b/gnome-flashback/libinput-sources/gf-input-source-settings.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2015 Alberts Muktupāvels
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GF_INPUT_SOURCE_SETTINGS_H
+#define GF_INPUT_SOURCE_SETTINGS_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define GF_TYPE_INPUT_SOURCE_SETTINGS gf_input_source_settings_get_type ()
+G_DECLARE_FINAL_TYPE (GfInputSourceSettings, gf_input_source_settings,
+                      GF, INPUT_SOURCE_SETTINGS, GObject)
+
+GfInputSourceSettings  *gf_input_source_settings_new             (void);
+
+GVariant               *gf_input_source_settings_get_sources     (GfInputSourceSettings *settings);
+gchar                 **gf_input_source_settings_get_xkb_options (GfInputSourceSettings *settings);
+gboolean                gf_input_source_settings_get_per_window  (GfInputSourceSettings *settings);
+
+G_END_DECLS
+
+#endif