From fe02f2ab86fa1ad30100763efe30b1dd0be1cf7b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Andr=C3=A9=20Santoni?= <jean.andre.santoni@gmail.com>
Date: Fri, 20 Nov 2015 05:20:13 +0700
Subject: [PATCH] Implement core assignation switching

---
 core_info.c               | 12 +++++++++++
 core_info.h               |  2 ++
 menu/cbs/menu_cbs_left.c  | 45 +++++++++++++++++++++++++++++++++++----
 menu/cbs/menu_cbs_right.c | 45 +++++++++++++++++++++++++++++++++++----
 4 files changed, 96 insertions(+), 8 deletions(-)

diff --git a/core_info.c b/core_info.c
index 24bf4a438b..10ce0c5b9e 100644
--- a/core_info.c
+++ b/core_info.c
@@ -558,6 +558,18 @@ core_info_t *core_info_find(core_info_list_t *list,
    return NULL;
 }
 
+core_info_t *core_info_get(core_info_list_t *list, size_t i)
+{
+   core_info_t *info = (core_info_t*)&list->list[i];
+printf("%zu\n", i);
+   if (!info)
+      return NULL;
+   if (!info->path)
+      return NULL;
+
+   return info;
+}
+
 static int core_info_firmware_cmp(const void *a_, const void *b_)
 {
    const core_info_firmware_t *a = (const core_info_firmware_t*)a_;
diff --git a/core_info.h b/core_info.h
index 86337fa307..d369501a2f 100644
--- a/core_info.h
+++ b/core_info.h
@@ -111,6 +111,8 @@ bool core_info_get_display_name(const char *path, char *s, size_t len);
 
 void core_info_get_name(const char *path, char *s, size_t len);
 
+core_info_t *core_info_get(core_info_list_t *list, size_t i);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/menu/cbs/menu_cbs_left.c b/menu/cbs/menu_cbs_left.c
index 33937d1445..764bbacd66 100644
--- a/menu/cbs/menu_cbs_left.c
+++ b/menu/cbs/menu_cbs_left.c
@@ -302,11 +302,48 @@ static int action_left_video_resolution(unsigned type, const char *label,
 static int playlist_association_left(unsigned type, const char *label,
       bool wraparound)
 {
-   unsigned idx     = type - MENU_SETTINGS_PLAYLIST_ASSOCIATION_START;
-   rarch_system_info_t *system = rarch_system_info_get_ptr();
+   int i, next, found, current = 0;
+   char core_path[PATH_MAX_LENGTH]  = {0};
+   global_t *global                 = global_get_ptr();
+   settings_t *settings             = config_get_ptr();
+   const char *path                 = path_basename(label);
+   char new_playlist_cores[PATH_MAX_LENGTH] = {0};
 
-   (void)idx;
-   (void)system;
+   core_info_list_t *list = (global->core_info.list) ? global->core_info.list : NULL;
+   if (!list)
+      return NULL;
+
+   struct string_list *stnames = string_split(settings->playlist_names, ";");
+   struct string_list *stcores = string_split(settings->playlist_cores, ";");
+
+   if (!menu_playlist_find_associated_core(path, core_path, sizeof(core_path)))
+         strlcpy(core_path, "DETECT", sizeof(core_path));
+
+   for (i = 0; i < list->count; i++)
+   {
+      core_info_t *info = core_info_get(list, i);
+      if (!strcmp(info->path, core_path))
+         current = i;
+   }
+
+   next = current - 1;
+   if (next < 0)
+   {
+      if (wraparound)
+         next = list->count;
+      else
+         next = 0;
+   }
+
+   core_info_t *info = core_info_get(list, next);
+
+   found = string_list_find_elem(stnames, path);
+   if (found)
+      string_list_set(stcores, found-1, info->path);
+
+   string_list_join_concat(new_playlist_cores, sizeof(new_playlist_cores), stcores, ";");
+
+   strlcpy(settings->playlist_cores, new_playlist_cores, sizeof(settings->playlist_cores));
 
    return 0;
 }
diff --git a/menu/cbs/menu_cbs_right.c b/menu/cbs/menu_cbs_right.c
index df46bf703b..fa3bb82769 100644
--- a/menu/cbs/menu_cbs_right.c
+++ b/menu/cbs/menu_cbs_right.c
@@ -327,11 +327,48 @@ static int action_right_video_resolution(unsigned type, const char *label,
 static int playlist_association_right(unsigned type, const char *label,
       bool wraparound)
 {
-   unsigned idx     = type - MENU_SETTINGS_PLAYLIST_ASSOCIATION_START;
-   rarch_system_info_t *system = rarch_system_info_get_ptr();
+   int i, next, found, current = 0;
+   char core_path[PATH_MAX_LENGTH]  = {0};
+   global_t *global                 = global_get_ptr();
+   settings_t *settings             = config_get_ptr();
+   const char *path                 = path_basename(label);
+   char new_playlist_cores[PATH_MAX_LENGTH] = {0};
 
-   (void)system;
-   (void)idx;
+   core_info_list_t *list = (global->core_info.list) ? global->core_info.list : NULL;
+   if (!list)
+      return NULL;
+
+   struct string_list *stnames = string_split(settings->playlist_names, ";");
+   struct string_list *stcores = string_split(settings->playlist_cores, ";");
+
+   if (!menu_playlist_find_associated_core(path, core_path, sizeof(core_path)))
+         strlcpy(core_path, "DETECT", sizeof(core_path));
+
+   for (i = 0; i < list->count; i++)
+   {
+      core_info_t *info = core_info_get(list, i);
+      if (!strcmp(info->path, core_path))
+         current = i;
+   }
+
+   next = current + 1;
+   if (next >= list->count)
+   {
+      if (wraparound)
+         next = list->count-1;
+      else
+         next = 0;
+   }
+
+   core_info_t *info = core_info_get(list, next);
+
+   found = string_list_find_elem(stnames, path);
+   if (found)
+      string_list_set(stcores, found-1, info->path);
+
+   string_list_join_concat(new_playlist_cores, sizeof(new_playlist_cores), stcores, ";");
+
+   strlcpy(settings->playlist_cores, new_playlist_cores, sizeof(settings->playlist_cores));
 
    return 0;
 }