core: input: fix coding style issue

Fix a coding style issue in the input system. All API-level types should
be fully opaque.

Signed-off-by: Danny Holman <dholman@gymli.org>

1 files changed, 16 insertions, 8 deletions

diff --git a/ui/input.c b/ui/input.c
index e434d46..de4df9c 100644
--- a/ui/input.c
+++ b/ui/input.c
@@ -3,21 +3,27 @@
 #include <rune/core/callbacks.h>
 #include <rune/core/logging.h>
 #include <rune/core/alloc.h>
+#include <string.h>
+
+typedef struct callback {
+        void *data;
+        void (*callback_ptr)(void*);
+} callback_t;
 
 static int keyboard_mode;
-static void (*key_hooks[256])(void);
+static callback_t callbacks[256];
 
 void _key_callback(GLFWwindow *window, int key, int scancode, int action, int mods) {
-        scancode -= 8;
-        if (action == GLFW_PRESS && key_hooks[scancode] != NULL)
-                (*key_hooks[scancode])();
+        if ((action == GLFW_PRESS) && (callbacks[scancode].callback_ptr != NULL))
+                (*callbacks[scancode].callback_ptr)(callbacks[scancode].data);
 }
 
-int rune_input_init(struct rune_window *window) {
+int rune_input_init(window_t *window) {
         keyboard_mode = KB_MODE_RAW;
         glfwSetKeyCallback(window->window, _key_callback);
         for (int i = 0; i < 256; i++)
-                key_hooks[i] = NULL;
+                memset(&callbacks[i], 0, sizeof(callback_t));
+        log_output(LOG_DEBUG, "Initialized keyboard input");
 }
 
 void set_keyboard_mode(int mode) {
@@ -32,8 +38,10 @@ int get_keyboard_mode(void) {
         return keyboard_mode;
 }
 
-void register_key_hook(uint8_t scancode, void (*func)(void)) {
-        key_hooks[scancode] = func;
+void register_input_callback(uint8_t scancode, void (*func)(void*), void *data) {
+        callbacks[scancode].data = data;
+        callbacks[scancode].callback_ptr = func;
+        log_output(LOG_DEBUG, "Registered scancode %d with callback function address %x", scancode, func);
 }
 
 void rune_input_tick(void) {