From 46f84744afa3cd586450e3f49acdfcf09e3c7b57 Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Mon, 29 Aug 2022 08:04:55 +0200
Subject: Add rudimentary input mirroring

---
 src/main.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/main.c b/src/main.c
index 7a8b6e7..32be6c7 100644
--- a/src/main.c
+++ b/src/main.c
@@ -7,7 +7,10 @@
 #include "shorthand.h"
 #include "bd-font.c"
 
-#define TEXT_OVERLAY_SIZE 5
+#define TEXT_OVERLAY_SIZE 4
+
+static char text[2048];
+static u32 text_n = 0;
 
 //
 // Callbacks.
@@ -29,6 +32,12 @@ glfw_key_callback(GLFWwindow* window, int key, int scancode, int action, int mod
     }
 }
 
+void
+glfw_text_callback(GLFWwindow* window, unsigned int codepoint) {
+    (void)window;
+    text[text_n++] = codepoint;
+}
+
 // Letter for a the monospace text overlay layer.
 struct Letter {
     f32 x;
@@ -304,6 +313,7 @@ void
 setup_callbacks(Context *ctx) {
     glfwSetErrorCallback(glfw_error_callback);
     glfwSetKeyCallback(ctx->window, glfw_key_callback);
+    glfwSetCharCallback(ctx->window, glfw_text_callback);
 }
 
 void
@@ -355,7 +365,7 @@ add_text(Context *ctx, char *txt) {
 void
 update_text(Context *ctx) {
     clear_text(ctx);
-    add_text(ctx, "hello world!");
+    add_text(ctx, text);
 
     glBindBuffer(GL_ARRAY_BUFFER, ctx->text_overlay.vbo);
     glBufferData(GL_ARRAY_BUFFER,
-- 
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