1 files changed, 59 insertions, 1 deletions

diff --git a/src/ctrl/src/input.c b/src/ctrl/src/input.c
index 5fe643e..cbfd576 100644
--- a/src/ctrl/src/input.c
+++ b/src/ctrl/src/input.c
@@ -1,8 +1,10 @@
+#include <errno.h>
+#include <string.h>
+
 #include <engine/core/dltools.h>
 #include <engine/core/logging.h>
 #include <engine/core/platform.h>
 #include <engine/ctrl/input.h>
-#include <string.h>
 
 extern input_callback_t* callbacks[128];
 extern usize callbacks_len;
@@ -330,3 +332,59 @@ void i_bind_alt(binding_t* b, scancode_t s) {
 
   b->scancode_alt = s;
 }
+
+/* Pushes an input context onto the input handling stack */
+void i_ctx_push(i_ctx* ctx) {
+  if (GLOBAL_PLATFORM->bindings == NULL) {
+    GLOBAL_PLATFORM->bindings = calloc(8, sizeof(i_ctx*));
+    GLOBAL_PLATFORM->bindings_sz = 8;
+  }
+
+  if (GLOBAL_PLATFORM->bindings_len + 1 >= GLOBAL_PLATFORM->bindings_sz) {
+    void* m =
+        realloc(GLOBAL_PLATFORM->bindings, GLOBAL_PLATFORM->bindings_sz + 8);
+    if (m == NULL) {
+      ERROR("Failed to allocate 8 bytes (%d): %s", errno, strerror(errno));
+      exit(EXIT_FAILURE);
+    }
+    GLOBAL_PLATFORM->bindings_sz += 8;
+  }
+
+  LOG("Bindings in ctx[%d]:", GLOBAL_PLATFORM->bindings_len);
+  for (isize i = 0; i < ctx->len; i++) {
+    switch (ctx->bindings[i].action.type) {
+    case InputType_error:
+      LOG("(error)");
+      break;
+
+    case InputType_action:
+      LOG("(action) %s", ctx->bindings[i].action.action.callback_str);
+      break;
+
+    case InputType_state:
+      LOG("(+state) %s", ctx->bindings[i].action.state.activate_str);
+      LOG("(-state) %s", ctx->bindings[i].action.state.deactivate_str);
+      break;
+
+    case InputType_range:
+      LOG("(range) --unhandled--");
+      break;
+    }
+  }
+
+  GLOBAL_PLATFORM->bindings[GLOBAL_PLATFORM->bindings_len++] = ctx;
+}
+
+/* Pops an input context from the input stack */
+void i_ctx_pop(void) {
+  if (GLOBAL_PLATFORM->bindings == NULL || GLOBAL_PLATFORM->bindings_sz == 0)
+    return;
+  i_ctx_t_free(GLOBAL_PLATFORM->bindings[--GLOBAL_PLATFORM->bindings_len]);
+}
+
+/* Removes all input contexts from the input stack */
+void i_ctx_reset(void) {
+  while (GLOBAL_PLATFORM->bindings_len > 0) {
+    i_ctx_t_free(GLOBAL_PLATFORM->bindings[--GLOBAL_PLATFORM->bindings_len]);
+  }
+}