[gnome-flashback/wip/segeiger/inputmethods: 1/5] input-sources: initial implementation for GfInputSource

[Sebastian Geiger <segeiger src gnome org>]

commit 88c4d9e2b43ef29566a1400f1bb1378e204c3d45
Author: Sebastian Geiger <sbastig gmx net>
Date:   Fri Sep 18 02:47:12 2015 +0200

    input-sources: initial implementation for GfInputSource

 gnome-flashback/libinput-sources/Makefile.am       |    2 +
 gnome-flashback/libinput-sources/gf-input-source.c |  335 ++++++++++++++++++++
 gnome-flashback/libinput-sources/gf-input-source.h |   56 ++++
 3 files changed, 393 insertions(+), 0 deletions(-)
---
diff --git a/gnome-flashback/libinput-sources/Makefile.am b/gnome-flashback/libinput-sources/Makefile.am
index 2231201..cad3cc4 100644
--- a/gnome-flashback/libinput-sources/Makefile.am
+++ b/gnome-flashback/libinput-sources/Makefile.am
@@ -18,6 +18,8 @@ libinput_sources_la_SOURCES = \
        gf-candidate-popup.h \
        gf-ibus-manager.c \
        gf-ibus-manager.h \
+       gf-input-source.c \
+       gf-input-source.h \
        gf-input-sources.c \
        gf-input-sources.h \
        gf-input-source-manager.c \
diff --git a/gnome-flashback/libinput-sources/gf-input-source.c 
b/gnome-flashback/libinput-sources/gf-input-source.c
new file mode 100644
index 0000000..b7bfa76
--- /dev/null
+++ b/gnome-flashback/libinput-sources/gf-input-source.c
@@ -0,0 +1,335 @@
+/*
+ * Copyright (C) 2015 Sebastian Geiger
+ *
+ * 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 <ibus-1.0/ibus.h>
+#include <string.h>
+
+#include "gf-ibus-manager.h"
+#include "gf-input-source.h"
+
+struct _GfInputSource
+{
+  GObject        parent;
+
+  gchar         *id;
+  gchar         *display_name;
+  gchar         *short_name;
+  gint           index;
+
+  IBusPropList  *properties;
+  GfIBusManager *ibus_manager;
+
+  gchar         *xkb_id;
+};
+
+G_DEFINE_TYPE (GfInputSource, gf_input_source, G_TYPE_OBJECT)
+
+enum
+{
+  PROP_0,
+
+  PROP_ID,
+  PROP_DISPLAY_NAME,
+  PROP_SHORT_NAME,
+  PROP_INDEX,
+  PROP_IBUS_MANAGER,
+
+  LAST_PROP
+};
+
+static GParamSpec *properties[LAST_PROP] = { NULL };
+
+enum
+{
+  SIGNAL_CHANGED,
+  SIGNAL_ACTIVATE,
+  SIGNAL_LAST
+};
+
+static guint signals[SIGNAL_LAST] = { 0 };
+
+/**
+ * gf_input_source_initialize_xkb_id:
+ * @input_source: The input source for which the xkb_id is retrieved.
+ *
+ * Returns: The xkb_id of the @input_source. The result must be freed.
+ */
+static gchar *
+gf_input_source_initialize_xkb_id (GfInputSource *input_source)
+{
+  IBusEngineDesc *engine_desc;
+  const gchar *layout_variant;
+  const gchar *layout;
+
+  engine_desc = gf_ibus_manager_get_engine_description (input_source->ibus_manager,
+                                                        input_source->id);
+
+  if (!engine_desc)
+    {
+      return g_strdup (input_source->id);
+    }
+
+  layout = ibus_engine_desc_get_layout (engine_desc);
+  layout_variant = ibus_engine_desc_get_layout_variant (engine_desc);
+
+  if (layout_variant && strlen (layout_variant) > 0)
+    {
+      return g_strdup_printf ("%s+%s", layout, layout_variant);
+    }
+  else
+    {
+      return g_strdup (layout);
+    }
+}
+
+static void
+gf_input_source_get_property (GObject    *object,
+                              guint       prop_id,
+                              GValue     *value,
+                              GParamSpec *pspec)
+{
+  GfInputSource *input_source;
+
+  input_source = GF_INPUT_SOURCE (object);
+
+  switch (prop_id) {
+    case PROP_ID:
+      g_value_set_string (value, input_source->id);
+      break;
+
+    case PROP_DISPLAY_NAME:
+      g_value_set_string (value, input_source->display_name);
+      break;
+
+    case PROP_SHORT_NAME:
+      g_value_set_string (value, input_source->short_name);
+      break;
+
+    case PROP_INDEX:
+      g_value_set_int (value, input_source->index);
+      break;
+
+    case PROP_IBUS_MANAGER:
+      g_value_set_object (value, input_source->ibus_manager);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+gf_input_source_set_ibus_manager (GfInputSource *input_source,
+                                       GfIBusManager *ibus_manager)
+{
+  input_source->ibus_manager = ibus_manager;
+}
+
+static void
+gf_input_source_set_property (GObject      *object,
+                              guint         prop_id,
+                              const GValue *value,
+                              GParamSpec   *pspec)
+{
+  GfInputSource *input_source;
+
+  input_source = GF_INPUT_SOURCE (object);
+
+  switch (prop_id) {
+    case PROP_ID:
+      gf_input_source_set_id (input_source, g_value_get_string (value));
+      break;
+
+    case PROP_DISPLAY_NAME:
+      gf_input_source_set_display_name (input_source,
+                                        g_value_get_string (value));
+      break;
+
+    case PROP_SHORT_NAME:
+      gf_input_source_set_short_name (input_source, g_value_get_string (value));
+      break;
+
+    case PROP_INDEX:
+      gf_input_source_set_index (input_source, g_value_get_int (value));
+      break;
+
+    case PROP_IBUS_MANAGER:
+      gf_input_source_set_ibus_manager (input_source, g_value_get_object (value));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+gf_input_source_finalize (GObject *object)
+{
+  GfInputSource *input_source;
+
+  input_source = GF_INPUT_SOURCE (object);
+
+  g_free ((gpointer) input_source->xkb_id);
+}
+
+static void
+gf_input_source_class_init (GfInputSourceClass *input_source_class)
+{
+  GObjectClass *object_class;
+
+  object_class = G_OBJECT_CLASS (input_source_class);
+
+  object_class->get_property = gf_input_source_get_property;
+  object_class->set_property = gf_input_source_set_property;
+  object_class->finalize = gf_input_source_finalize;
+
+  properties[PROP_ID] =
+    g_param_spec_string ("id", "ID", "The ID of the input source",
+                         NULL,
+                         G_PARAM_CONSTRUCT_ONLY |
+                         G_PARAM_READWRITE |
+                         G_PARAM_STATIC_STRINGS);
+
+  properties[PROP_DISPLAY_NAME] =
+    g_param_spec_string ("display-name", "Display name",
+                         "The display name of the input source",
+                         NULL, G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
+                         G_PARAM_STATIC_STRINGS);
+
+  properties[PROP_SHORT_NAME] =
+    g_param_spec_string ("short-name", "Short name",
+                         "The short name of the input source",
+                         NULL, G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
+                         G_PARAM_STATIC_STRINGS);
+
+  properties[PROP_INDEX] =
+    g_param_spec_int ("index", "Index", "The index of the input source",
+                      -1, G_MAXINT, -1,
+                      G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
+                      G_PARAM_STATIC_STRINGS);
+
+  properties[PROP_IBUS_MANAGER] =
+      g_param_spec_object ("ibus-manager", "IBus Manager",
+                           "The instance of IBus Manager used by the input-sources module",
+                           GF_TYPE_IBUS_MANAGER,
+                           G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
+                           G_PARAM_STATIC_STRINGS);
+
+  g_object_class_install_properties (object_class, LAST_PROP, properties);
+
+  signals[SIGNAL_CHANGED] =
+    g_signal_new ("changed",
+                  G_OBJECT_CLASS_TYPE (input_source_class),
+                  G_SIGNAL_RUN_LAST,
+                  0, NULL, NULL, NULL,
+                  G_TYPE_NONE, 1, G_TYPE_STRV);
+}
+
+static void
+gf_input_source_init (GfInputSource *inputSources)
+{
+  inputSources->xkb_id = gf_input_source_initialize_xkb_id (inputSources);
+}
+
+
+GfInputSource *
+gf_input_source_new (const char    *id,
+                     const char    *display_name,
+                     const char    *short_name,
+                     guint          index,
+                     GfIBusManager *ibus_manager)
+{
+  return g_object_new (GF_TYPE_INPUT_SOURCE,
+                       "id", id,
+                       "display-name", display_name,
+                       "short-name", short_name,
+                       "index", index,
+                       "ibus-manager", ibus_manager,
+                       NULL);
+}
+
+void
+gf_input_source_set_id (GfInputSource     *input_source,
+                        const char *const  id)
+{
+  g_free (input_source->id);
+  input_source->id = g_strdup (id);
+}
+
+void
+gf_input_source_set_display_name (GfInputSource     *input_source,
+                                  const char *const  display_name)
+{
+  g_free (input_source->display_name);
+  input_source->display_name = g_strdup (display_name);
+}
+
+void
+gf_input_source_set_short_name (GfInputSource     *input_source,
+                                const char *const  short_name)
+{
+  g_free (input_source->short_name);
+  input_source->short_name = g_strdup (short_name);
+  g_signal_emit (input_source, SIGNAL_CHANGED, 0, short_name);
+}
+
+void
+gf_input_source_set_index (GfInputSource *input_source,
+                           gint           index)
+{
+  input_source->index = index;
+}
+
+gchar *
+gf_input_source_get_id (GfInputSource *input_source)
+{
+  return input_source->id;
+}
+
+gchar *
+gf_input_source_get_display_name (GfInputSource *input_source)
+{
+  return input_source->display_name;
+}
+
+gchar *
+gf_input_source_get_short_name (GfInputSource *input_source)
+{
+  return input_source->short_name;
+}
+
+gint
+gf_input_source_get_index (GfInputSource *input_source)
+{
+  return input_source->index;
+}
+
+void
+gf_input_source_activate (GfInputSource *input_source)
+{
+  g_signal_emit (input_source, SIGNAL_ACTIVATE, 0);
+}
+
+gchar*
+gf_input_source_get_xkb_id (GfInputSource *input_source)
+{
+  return g_strdup (input_source->xkb_id);
+}
diff --git a/gnome-flashback/libinput-sources/gf-input-source.h 
b/gnome-flashback/libinput-sources/gf-input-source.h
new file mode 100644
index 0000000..48ebff4
--- /dev/null
+++ b/gnome-flashback/libinput-sources/gf-input-source.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2015 Sebastian Geiger
+ *
+ * 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_H
+#define GF_INPUT_SOURCE_H
+
+#include <glib-object.h>
+#include "gf-ibus-manager.h"
+
+#define GF_TYPE_INPUT_SOURCE gf_input_source_get_type ()
+G_DECLARE_FINAL_TYPE (GfInputSource, gf_input_source, GF, INPUT_SOURCE, GObject)
+
+GfInputSource *gf_input_source_new              (const char        *id,
+                                                 const char        *display_name,
+                                                 const char        *short_name,
+                                                 guint              index,
+                                                 GfIBusManager     *ibus_manager);
+
+void           gf_input_source_set_id           (GfInputSource     *input_source,
+                                                 const char* const  id);
+
+void           gf_input_source_set_display_name (GfInputSource     *input_source,
+                                                 const char* const  display_name);
+
+void           gf_input_source_set_short_name   (GfInputSource     *input_source,
+                                                 const char* const  short_name);
+
+void           gf_input_source_set_index        (GfInputSource     *input_source,
+                                                 gint               index);
+
+
+gchar *        gf_input_source_get_id           (GfInputSource     *inputSource);
+
+gchar *        gf_input_source_get_display_name (GfInputSource     *input_source);
+
+gchar *        gf_input_source_get_short_name   (GfInputSource     *input_source);
+
+gint           gf_input_source_get_index        (GfInputSource     *input_source);
+
+void           gf_input_source_activate         (GfInputSource     *input_source);
+
+#endif