From 46efa1936ec44ece2167480ccf4fa1b3af1218bc Mon Sep 17 00:00:00 2001
From: Jack Jamison <jackqjamison@gmail.com>
Date: Thu, 16 Oct 2025 11:53:16 -0400
Subject: you can type

---
 graphics.c    | 13 +++++++------
 graphics.h    |  3 ++-
 input_field.c | 11 ++++++++++-
 main.c        |  2 +-
 4 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/graphics.c b/graphics.c
index 86b22d4..1ee8b08 100644
--- a/graphics.c
+++ b/graphics.c
@@ -146,7 +146,7 @@ typedef struct {
 	float x, y, u, v;
 } vert_t;
 
-void initTextBuffer(client_state* state, text_buffer_t* buffer, char* text, size_t text_len) {
+void init_text_buffer(client_state* state, text_buffer_t* buffer, char* text, size_t text_len) {
 	// generate openg bullshit
 	glGenVertexArrays(1, &buffer->vao);
 	glBindVertexArray(buffer->vao);
@@ -197,11 +197,6 @@ void initTextBuffer(client_state* state, text_buffer_t* buffer, char* text, size
 		pen_x += m->advance_x;
 	}
 
-	for (int i = 0, n = 0; i < sizeof(vertices) / sizeof(vert_t); ++i, !(i % 4) ? n++ : false) {
-		vert_t v = vertices[i];
-		printf("%c: (%f, %f, %f, %f)\n", text[n], v.x, v.y, v.u, v.v);
-	}
-
 	// vertex buffer
 	glBindBuffer(GL_ARRAY_BUFFER, buffer->vbo);
 	glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
@@ -216,3 +211,9 @@ void initTextBuffer(client_state* state, text_buffer_t* buffer, char* text, size
 	glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(vert_t), (void*)(2 * sizeof(float)));
 	glEnableVertexAttribArray(1);
 }
+
+void destroy_text_buffer(text_buffer_t* buffer) {
+	glDeleteVertexArrays(1, &buffer->vao);
+    glDeleteBuffers(1, &buffer->vbo);
+    glDeleteBuffers(1, &buffer->ebo);
+}
diff --git a/graphics.h b/graphics.h
index fc46ee8..f1f81b5 100644
--- a/graphics.h
+++ b/graphics.h
@@ -6,6 +6,7 @@
 bool init_gl(client_state* state);
 void render_frame(client_state* state);
 
-void initTextBuffer(client_state* state, text_buffer_t* buffer, char* text, size_t text_len);
+void init_text_buffer(client_state* state, text_buffer_t* buffer, char* text, size_t text_len);
+void destroy_text_buffer(text_buffer_t* buffer);
 
 #endif
diff --git a/input_field.c b/input_field.c
index 114019a..4bd09bb 100644
--- a/input_field.c
+++ b/input_field.c
@@ -2,6 +2,12 @@
 
 #include "input_field.h"
 #include "array.h"
+#include "graphics.h"
+
+void regenerate_text_buffer(client_state* state) {
+	destroy_text_buffer(&state->input_buffer_text);
+	init_text_buffer(state, &state->input_buffer_text, state->input_buffer, array_size(state->input_buffer));
+}
 
 bool type_key(client_state* state, xkb_keysym_t keysym) {
 	bool ctrl = xkb_state_mod_name_is_active(state->xkb_state, XKB_MOD_NAME_CTRL, XKB_STATE_MODS_EFFECTIVE);
@@ -18,6 +24,7 @@ bool type_key(client_state* state, xkb_keysym_t keysym) {
 	// submit line
 	if (keysym == XKB_KEY_Return || keysym == XKB_KEY_KP_Enter) {
 		submit_line(state);
+		regenerate_text_buffer(state);
 		return false;
 	}
 
@@ -28,6 +35,7 @@ bool type_key(client_state* state, xkb_keysym_t keysym) {
 		} else {
 			array_pop(state->input_buffer);
 		}
+		regenerate_text_buffer(state);
 		return true;
 	}
 
@@ -36,8 +44,9 @@ bool type_key(client_state* state, xkb_keysym_t keysym) {
 	int len = xkb_keysym_to_utf8(keysym, buf, sizeof(buf));
 	if (len > 0) {
 		for (int i = 0; i < strlen(buf); i++) {
-			array_add(state->input_buffer, buf[i]);
+		array_add(state->input_buffer, buf[i]);
 		}
+		regenerate_text_buffer(state);
 		return true;
 	}
 
diff --git a/main.c b/main.c
index 13a6328..3ddc29f 100644
--- a/main.c
+++ b/main.c
@@ -74,7 +74,7 @@ int main() {
 	// create font altas textures
 	atlas_create_texture(&state);
 
-	initTextBuffer(&state, &state.input_buffer_text, "this is a gtest", strlen("this is a gtest"));
+	init_text_buffer(&state, &state.input_buffer_text, "", 0);
 
 	// event loop
 	while (state.running) {
-- 
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