CACA: use key thread (partially fix #3661)

(cherry picked from commit 031dec33fbe1cde74e6ef1680638435d335daafe)

modules/video_output/Modules.am

@@ -5,7 +5,7 @@ SUBDIRS = msw
 LIBTOOL=@LIBTOOL@ --tag=CC
 
 SOURCES_aa = aa.c
-SOURCES_caca = caca.c
+SOURCES_caca = caca.c keythread.h keythread.c
 SOURCES_fb = fb.c
 SOURCES_omapfb = omapfb.c
 SOURCES_ggi = ggi.c

modules/video_output/caca.c

@@ -34,6 +34,7 @@
 #include <vlc_plugin.h>
 #include <vlc_vout_display.h>
 #include <vlc_picture_pool.h>
+#include "keythread.h"
 
 #include <caca.h>
 
@@ -72,6 +73,7 @@ struct vout_display_sys_t {
     cucul_dither_t *dither;
 
     picture_pool_t *pool;
+    key_thread_t   *keys;
 };
 
 /**
@@ -187,6 +189,7 @@ static int Open(vlc_object_t *object)
     vout_display_SendEventFullscreen(vd, false);
     Refresh(vd);
 
+    sys->keys = vlc_CreateKeyThread(vd);
     return VLC_SUCCESS;
 
 error:
@@ -216,6 +219,7 @@ static void Close(vlc_object_t *object)
     vout_display_t *vd = (vout_display_t *)object;
     vout_display_sys_t *sys = vd->sys;
 
+    vlc_DestroyKeyThread(sys->keys);
     if (sys->pool)
         picture_pool_Delete(sys->pool);
     if (sys->dither)
@@ -476,7 +480,7 @@ static void Manage(vout_display_t *vd)
                     const int vlc = keys[i].vlc;
 
                     if (vlc >= 0)
-                        vout_display_SendEventKey(vd, vlc);
+                        vlc_EmitKey(sys->keys, vlc);
                     return;
                 }
             }