From be831308207bfa056f900a094a9ce71e976e5b3d Mon Sep 17 00:00:00 2001
From: Iwan Timmer <irtimmer@gmail.com>
Date: Sun, 12 Jul 2015 18:22:30 +0200
Subject: [PATCH] Simple keyboard support for SDL

---
 src/sdl.c       | 14 +++++++++++++-
 src/sdl.h       | 28 ++++++++++++++++++++++++++++
 src/video/sdl.c |  3 ---
 3 files changed, 41 insertions(+), 4 deletions(-)

diff --git a/src/sdl.c b/src/sdl.c
index 606eb49..390e243 100644
--- a/src/sdl.c
+++ b/src/sdl.c
@@ -19,6 +19,8 @@
 
 #ifdef HAVE_SDL
 
+#include "sdl.h"
+
 #include "limelight-common/Limelight.h"
 
 #include <stdbool.h>
@@ -56,9 +58,19 @@ void sdl_loop() {
       }
 
       if (button != 0)
-        LiSendMouseButtonEvent(event.button.state==SDL_PRESSED?BUTTON_ACTION_PRESS:BUTTON_ACTION_RELEASE, button);
+        LiSendMouseButtonEvent(event.type==SDL_MOUSEBUTTONDOWN?BUTTON_ACTION_PRESS:BUTTON_ACTION_RELEASE, button);
 
       break;
+    case SDL_KEYDOWN:
+    case SDL_KEYUP:
+      button = event.key.keysym.sym;
+      if (button >= (0x40000000 + 0x39) && button < (0x40000000 + sizeof(keyCodes)))
+        button = keyCodes[button - 0x40000039];
+      if (button >= 0x61)
+        button -= 0x20;
+
+      LiSendKeyboardEvent(0x80 << 8 | button, event.type==SDL_KEYDOWN?KEY_ACTION_DOWN:KEY_ACTION_UP, 0);
+      break;
     case SDL_QUIT:
       done = true;
     }
diff --git a/src/sdl.h b/src/sdl.h
index 477bacf..010a750 100644
--- a/src/sdl.h
+++ b/src/sdl.h
@@ -19,6 +19,34 @@
 
 #ifdef HAVE_SDL
 
+static const short keyCodes[] = {
+  0x14, //SDLK_CAPSLOCK
+  0x70, //SDLK_F1
+  0x71, //SDLK_F2
+  0x72, //SDLK_F3
+  0x73, //SDLK_F4
+  0x74, //SDLK_F5
+  0x75, //SDLK_F6
+  0x76, //SDLK_F7
+  0x77, //SDLK_F8
+  0x78, //SDLK_F9
+  0x79, //SDLK_F10
+  0x7A, //SDLK_F11
+  0x7B, //SDLK_F12
+  0, //SDLK_PRINTSCREEN
+  0x91, //SDLK_SCROLLLOCK
+  0x13, //SDLK_PAUSE
+  0x9B, //SDLK_INSERT
+  0x24, //SDLK_HOME
+  0x21, //SDLK_PAGEUP
+  0x23, //SDLK_END
+  0x22, //SDLK_PAGEDOWN
+  0x27, //SDLK_RIGHT
+  0x25, //SDLK_LEFT
+  0x28, //SDLK_DOWN
+  0x26, //SDLK_UP
+};
+
 void sdl_loop();
 
 #endif /* HAVE_SDL */
diff --git a/src/video/sdl.c b/src/video/sdl.c
index b33b711..d2c82d5 100644
--- a/src/video/sdl.c
+++ b/src/video/sdl.c
@@ -101,9 +101,6 @@ static int sdl_submit_decode_unit(PDECODE_UNIT decodeUnit) {
     fprintf(stderr, "Video decode buffer too small");
     exit(1);
   }
-  
-  SDL_Event event;
-  SDL_PollEvent(&event);
 
   return DR_OK;
 }