From bdb9471d13d7ccf6ee4f4b626b7dbfb911a19d91 Mon Sep 17 00:00:00 2001
From: Diablodiab <allan@lindqvist.it>
Date: Mon, 8 Feb 2016 01:06:15 +0100
Subject: [PATCH] Added support for using keyboards in the Retroarch menu and
 for mapping to gamepad keys.

---
 input/drivers/android_input.c                   | 10 +++++++++-
 input/drivers_keyboard/keyboard_event_android.c | 14 +++++++++++++-
 input/drivers_keyboard/keyboard_event_android.h |  4 ++++
 3 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/input/drivers/android_input.c b/input/drivers/android_input.c
index 423929160f..8a20f5e5bf 100644
--- a/input/drivers/android_input.c
+++ b/input/drivers/android_input.c
@@ -977,6 +977,7 @@ static void android_input_poll_input(void *data)
                   if (is_keyboard_id(id))
                   {
                      if (!predispatched) android_input_poll_event_type_keyboard(event, keycode, &handled);
+                     android_input_poll_event_type_key(android_app, event, ANDROID_KEYBOARD_PORT, keycode, source, type_event, &handled);
                   }
                   else
                      android_input_poll_event_type_key(android_app,
@@ -1110,7 +1111,10 @@ static int16_t android_input_state(void *data,
    switch (device)
    {
       case RETRO_DEVICE_JOYPAD:
-         return input_joypad_pressed(android->joypad, port, binds[port], id);
+         return input_joypad_pressed(android->joypad, port, binds[port], id) ||
+                android_keyboard_port_input_pressed(binds[port],id);
+      case RETRO_DEVICE_KEYBOARD:
+                android_keyboard_port_input_pressed(binds[0],id);
       case RETRO_DEVICE_ANALOG:
          return input_joypad_analog(android->joypad, port, idx, id,
                binds[port]);
@@ -1156,6 +1160,9 @@ static bool android_input_key_pressed(void *data, int key)
    android_input_t *android = (android_input_t*)data;
    settings_t *settings     = config_get_ptr();
 
+   if(android_keyboard_port_input_pressed(settings->input.binds[0],key))
+      return true;
+
    if (input_joypad_pressed(android->joypad,
          0, settings->input.binds[0], key))
       return true;
@@ -1198,6 +1205,7 @@ static uint64_t android_input_get_capabilities(void *data)
 
    return
       (1 << RETRO_DEVICE_JOYPAD)  |
+      (1 << RETRO_DEVICE_KEYBOARD) |
       (1 << RETRO_DEVICE_POINTER) |
       (1 << RETRO_DEVICE_ANALOG);
 }
diff --git a/input/drivers_keyboard/keyboard_event_android.c b/input/drivers_keyboard/keyboard_event_android.c
index 28e4a1273b..8b10ef86b1 100644
--- a/input/drivers_keyboard/keyboard_event_android.c
+++ b/input/drivers_keyboard/keyboard_event_android.c
@@ -21,7 +21,19 @@
 
 #define MAX_KEYS ((LAST_KEYCODE + 7) / 8)
 
-static uint8_t android_key_state[MAX_PADS][MAX_KEYS];
+// First ports are used to keeping track of gamepad states. Last port is used for keyboard state
+static uint8_t android_key_state[MAX_PADS+1][MAX_KEYS];
+
+bool android_keyboard_port_input_pressed(const struct retro_keybind *binds, unsigned id)
+{
+   if (id < RARCH_BIND_LIST_END)
+   {
+      const struct retro_keybind *bind = &binds[id];
+      unsigned bit = input_keymaps_translate_rk_to_keysym(binds[id].key);
+      return bind->valid && BIT_GET(android_key_state[ANDROID_KEYBOARD_PORT], bit);
+   }
+   return false;
+}
 
 bool android_keyboard_input_pressed(unsigned key)
 {
diff --git a/input/drivers_keyboard/keyboard_event_android.h b/input/drivers_keyboard/keyboard_event_android.h
index af818ffc03..d2f0e38c51 100644
--- a/input/drivers_keyboard/keyboard_event_android.h
+++ b/input/drivers_keyboard/keyboard_event_android.h
@@ -135,6 +135,10 @@ enum {
 #define MAX_PADS 8
 #endif
 
+#define ANDROID_KEYBOARD_PORT MAX_PADS
+
+bool android_keyboard_port_input_pressed(const struct retro_keybind *binds, unsigned id);
+
 bool android_keyboard_input_pressed(unsigned key);
 
 uint8_t *android_keyboard_state_get(unsigned port);