feat: Initial usage of xkb.

wlgol.c

@@ -11,6 +11,8 @@
 
 #include <xdg-shell.h>
 #include <wayland-client.h>
+#include <xkbcommon/xkbcommon.h>
+#include <xkbcommon/xkbcommon-keysyms.h>
 
 #include <tkeyboard.h>
 #include <tpointer.h>
@@ -142,6 +144,18 @@ const struct wl_buffer_listener wl_buffer_listener = {
 
 void redraw(); // forward declaration
 
+static void handle_key(uint32_t key, uint32_t state, xkb_keysym_t sym, void *user_data)
+{
+	(void)key;
+	(void)user_data;
+
+	if (state == WL_KEYBOARD_KEY_STATE_PRESSED && sym == XKB_KEY_Escape)
+	{
+		printf("Escape pressed, exiting.\n");
+		running = 0;
+	}
+}
+
 void wl_callack_done(void *data, struct wl_callback *callback, uint32_t time)
 {
 	if (canvas.frame)
@@ -187,6 +201,7 @@ int main(void)
 	wl_surface_commit(canvas.surface);
 
 	keyboard_data.keyboard = wl_seat_get_keyboard(wl_seat);
+	keyboard_set_handler(&keyboard_data, handle_key, NULL);
 	wl_keyboard_add_listener(keyboard_data.keyboard, &keyboard_listener, &keyboard_data);
 
 	pointer_init_cursor(&pointer_data, compositor, shm);
@@ -230,6 +245,19 @@ int main(void)
 	xdg_surface_destroy(xdg_surface);
 	wl_surface_destroy(canvas.surface);
 	wl_shm_pool_destroy(pool);
+	wl_keyboard_destroy(keyboard_data.keyboard);
+	if (keyboard_data.xkb_state != NULL)
+	{
+		xkb_state_unref(keyboard_data.xkb_state);
+	}
+	if (keyboard_data.xkb_keymap != NULL)
+	{
+		xkb_keymap_unref(keyboard_data.xkb_keymap);
+	}
+	if (keyboard_data.xkb_context != NULL)
+	{
+		xkb_context_unref(keyboard_data.xkb_context);
+	}
 	wl_registry_destroy(registry);
 	wl_display_disconnect(display);
 }