1 files changed, 63 insertions, 0 deletions
diff --git a/src/sdl/action.c b/src/sdl/action.c
new file mode 100644
index 0000000..a4dcb79
--- /dev/null
+++ b/src/sdl/action.c
@@ -0,0 +1,63 @@
+#include "../libsok/sok.h"
+#include "action.h"
+
+#define CASE_DIGIT \
+  case SDLK_0: \
+  case SDLK_1: \
+  case SDLK_2: \
+  case SDLK_3: \
+  case SDLK_4: \
+  case SDLK_5: \
+  case SDLK_6: \
+  case SDLK_7: \
+  case SDLK_8: \
+  case SDLK_9:
+
+static const sok_dir_t
+keycode_to_dir(const SDL_Keycode code) {
+  switch (code) {
+  case SDLK_UP:     return SOK_DIR_UP;
+  case SDLK_LEFT:   return SOK_DIR_LEFT;
+  case SDLK_DOWN:   return SOK_DIR_DOWN;
+  case SDLK_RIGHT:  return SOK_DIR_RIGHT;
+  default:          return SOK_DIR_LAST;
+  }
+}
+
+action_t
+get_action(
+  const SDL_Keycode code
+) {
+  switch (code) {
+  case SDLK_ESCAPE:
+  case SDLK_q:
+    return (action_t) { .type = ACTION_QUIT };
+  case SDLK_UP:
+  case SDLK_DOWN:
+  case SDLK_LEFT:
+  case SDLK_RIGHT:
+    return (action_t) {
+      .type = ACTION_MOVE,
+      .data = keycode_to_dir(code)
+    };
+  case SDLK_u:
+    return (action_t) { .type = ACTION_UNDO };
+  case SDLK_n:
+    return (action_t) { .type = ACTION_NEXT };
+  CASE_DIGIT
+    return (action_t) {
+      .type = ACTION_WARP_BUF_PUSH,
+      .data = (code - SDLK_0),
+    };
+  case SDLK_DELETE:
+    return (action_t) { .type = ACTION_WARP_BUF_POP };
+  case SDLK_RETURN:
+    return (action_t) { .type = ACTION_WARP };
+  case 'r':
+    return (action_t) { .type = ACTION_RESET };
+  case 's':
+    return (action_t) { .type = ACTION_SOLVE };
+  default:
+    return (action_t) { .type = ACTION_NONE };
+  }
+}