[retro-gtk] core: Move Core.init_input() to C

[Adrien Plazas <aplazas src gnome org>]

commit 5541e583339c6eeb150de00c9ec71fba7da17fcd
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Thu Jul 6 10:36:22 2017 +0200

    core: Move Core.init_input() to C
    
    Also move Core.Core.init_controller_device() to C.
    
    This help porting the library to C.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=777489

 retro-gtk/core.vala    |   13 +------------
 retro-gtk/retro-core.c |   32 ++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 12 deletions(-)
---
diff --git a/retro-gtk/core.vala b/retro-gtk/core.vala
index 8ecf4c0..c0b875b 100644
--- a/retro-gtk/core.vala
+++ b/retro-gtk/core.vala
@@ -375,18 +375,7 @@ public class Core : Object {
         */
        public extern void set_memory (MemoryType id, uint8[] data);
 
-       private void init_input () {
-               if (input_interface == null)
-                       return;
-
-               input_interface.foreach_controller (init_controller_device);
-       }
-
-       private void init_controller_device (uint port, InputDevice device) {
-               var device_type = device.get_device_type ();
-               set_controller_port_device (port, device_type);
-       }
-
+       private extern void init_input ();
        private extern void on_input_controller_connected (uint port, InputDevice device);
        private extern void on_input_controller_disconnected (uint port);
        private extern void on_input_key_event (bool down, KeyboardKey keycode, uint32 character, 
KeyboardModifierKey key_modifiers);
diff --git a/retro-gtk/retro-core.c b/retro-gtk/retro-core.c
index 392ea7d..ff691d2 100644
--- a/retro-gtk/retro-core.c
+++ b/retro-gtk/retro-core.c
@@ -6,6 +6,38 @@
 
 /* Private */
 
+static void
+init_controller_device (guint             port,
+                        RetroInputDevice *device,
+                        gpointer          data)
+{
+  RetroCore *self;
+  RetroDeviceType device_type;
+
+  self = RETRO_CORE (data);
+
+  g_return_if_fail (self != NULL);
+  g_return_if_fail (device != NULL);
+
+  device_type = retro_input_device_get_device_type (device);
+  retro_core_set_controller_port_device (self, port, device_type);
+}
+
+// FIXME Make static as soon as possible.
+void
+retro_core_init_input (RetroCore* self)
+{
+  RetroInput* input_interface;
+
+  g_return_if_fail (self != NULL);
+
+  input_interface = retro_core_get_input_interface (self);
+  if (input_interface == NULL)
+    return;
+
+  retro_input_foreach_controller (input_interface, init_controller_device, self);
+}
+
 // FIXME Make static as soon as possible.
 void
 retro_core_on_input_controller_connected (RetroCore        *self,