[gnome-games/wip/aplazas/781572-remove-vala-macro: 8/13] gamepad: Port GamepadDPad to C

[Adrien Plazas <aplazas src gnome org>]

commit 8be88c34558e22893b3084e54781fdc12bede73a
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Fri Apr 28 14:19:37 2017 +0200

    gamepad: Port GamepadDPad to C
    
    This will help to port part of the gamepad handling to C to avoid using
    the Vala preprocessor.

 src/Makefile.am                                    |    4 ++-
 src/gamepad/gamepad-dpad.c                         |   36 ++++++++++++++++++++
 src/gamepad/gamepad-dpad.h                         |   25 ++++++++++++++
 .../{gamepad-dpad.vala => gamepad-dpad.vapi}       |    1 +
 4 files changed, 65 insertions(+), 1 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index d32661a..63383ad 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -23,6 +23,7 @@ BUILT_SOURCES = \
 
 EXTRA_DIST = \
        $(gresource_file) \
+       gamepad/gamepad-dpad.vapi \
        gamepad/gamepad-input-type.vapi \
        gamepad/gamepad-mapped-event.vapi \
        gamepad/gamepad-mapping-error.vapi \
@@ -77,7 +78,7 @@ gnome_games_SOURCES = \
        \
        gamepad/gamepad.vala \
        gamepad/gamepad-callbacks.vala \
-       gamepad/gamepad-dpad.vala \
+       gamepad/gamepad-dpad.c \
        gamepad/gamepad-input-type.c \
        gamepad/gamepad-mapped-event.c \
        gamepad/gamepad-mapping.vala \
@@ -187,6 +188,7 @@ gnome_games_VALAFLAGS = \
        --pkg retro-gtk-0.10 \
        --pkg linux \
        --pkg posix \
+       --pkg gamepad-dpad \
        --pkg gamepad-input-type \
        --pkg gamepad-mapped-event \
        --pkg gamepad-mapping-error \
diff --git a/src/gamepad/gamepad-dpad.c b/src/gamepad/gamepad-dpad.c
new file mode 100644
index 0000000..1748243
--- /dev/null
+++ b/src/gamepad/gamepad-dpad.c
@@ -0,0 +1,36 @@
+// This file is part of GNOME Games. License: GPL-3.0+.
+
+#include "gamepad-dpad.h"
+
+#include <string.h>
+
+GamesGamepadDPad *
+games_gamepad_dpad_dup (const GamesGamepadDPad *self)
+{
+  GamesGamepadDPad *dup;
+
+  dup = g_new0 (GamesGamepadDPad, 1);
+  memcpy (dup, self, sizeof (GamesGamepadDPad));
+
+  return dup;
+}
+
+void
+games_gamepad_dpad_free (GamesGamepadDPad *self)
+{
+  g_free (self);
+}
+
+GType
+games_gamepad_dpad_get_type (void)
+{
+  static volatile gsize type_id = 0;
+
+  if (g_once_init_enter (&type_id))
+    g_once_init_leave (&type_id,
+                       g_boxed_type_register_static ("GamesGamepadDPad",
+                                                     (GBoxedCopyFunc) games_gamepad_dpad_dup,
+                                                     (GBoxedFreeFunc) games_gamepad_dpad_free));
+
+  return type_id;
+}
diff --git a/src/gamepad/gamepad-dpad.h b/src/gamepad/gamepad-dpad.h
new file mode 100644
index 0000000..bfc0a2c
--- /dev/null
+++ b/src/gamepad/gamepad-dpad.h
@@ -0,0 +1,25 @@
+// This file is part of GNOME Games. License: GPL-3.0+.
+
+#ifndef GAMES_GAMEPAD_DPAD_H
+#define GAMES_GAMEPAD_DPAD_H
+
+#include <glib-object.h>
+#include "gamepad-input-type.h"
+
+G_BEGIN_DECLS
+
+#define GAMES_TYPE_GAMEPAD_DPAD (games_gamepad_dpad_get_type ())
+
+typedef struct {
+  GamesGamepadInputType types[4];
+  gint values[4];
+  gint axis_values[2];
+} GamesGamepadDPad;
+
+GType games_gamepad_dpad_get_type (void) G_GNUC_CONST;
+GamesGamepadDPad *games_gamepad_dpad_dup (const GamesGamepadDPad *self);
+void games_gamepad_dpad_free (GamesGamepadDPad *self);
+
+G_END_DECLS
+
+#endif /* GAMES_GAMEPAD_DPAD_H */
diff --git a/src/gamepad/gamepad-dpad.vala b/src/gamepad/gamepad-dpad.vapi
similarity index 77%
rename from src/gamepad/gamepad-dpad.vala
rename to src/gamepad/gamepad-dpad.vapi
index ae2355e..08b06b6 100644
--- a/src/gamepad/gamepad-dpad.vala
+++ b/src/gamepad/gamepad-dpad.vapi
@@ -1,5 +1,6 @@
 // This file is part of GNOME Games. License: GPL-3.0+.
 
+[CCode (cheader_filename = "gamepad-dpad.h")]
 private struct Games.GamepadDPad {
        GamepadInputType types[4];
        int values[4];