From c754be2c9d2049c5636b84860b8eb94727adbd63 Mon Sep 17 00:00:00 2001
From: That-One-Nerd <develop@thatonenerd.net>
Date: Wed, 25 Jun 2025 13:36:12 -0400
Subject: [PATCH] Incomplete list drawing code. More to come.

---
 .vscode/c_cpp_properties.json | 22 ++++++++++++
 .vscode/settings.json         |  6 ++++
 src/main.c                    | 19 -----------
 src/main.cpp                  | 63 +++++++++++++++++++++++++++++++++++
 src/main.h                    | 20 +++++++++++
 5 files changed, 111 insertions(+), 19 deletions(-)
 create mode 100644 .vscode/c_cpp_properties.json
 create mode 100644 .vscode/settings.json
 delete mode 100644 src/main.c
 create mode 100644 src/main.cpp
 create mode 100644 src/main.h

diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
new file mode 100644
index 0000000..49f7e81
--- /dev/null
+++ b/.vscode/c_cpp_properties.json
@@ -0,0 +1,22 @@
+{
+    "configurations": [
+        {
+            "name": "CEdev",
+            "includePath": [
+                "${workspaceFolder}/**",
+                "C:/Users/kyley/Desktop/Coding/Lib/CEdev/include/**"
+            ],
+            "defines": [
+                "_DEBUG",
+                "UNICODE",
+                "_UNICODE"
+            ],
+            "windowsSdkVersion": "10.0.26100.0",
+            "compilerPath": "C:\\Users\\kyley\\Desktop\\Coding\\Lib\\CEdev\\bin\\ez80-clang.exe",
+            "cStandard": "c17",
+            "cppStandard": "c++17",
+            "intelliSenseMode": "linux-clang-x64"
+        }
+    ],
+    "version": 4
+}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..4b61741
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,6 @@
+{
+    "files.associations": {
+        "screen.h": "c",
+        "getcsc.h": "c"
+    }
+}
\ No newline at end of file
diff --git a/src/main.c b/src/main.c
deleted file mode 100644
index e7d2a5c..0000000
--- a/src/main.c
+++ /dev/null
@@ -1,19 +0,0 @@
-#include <ti/screen.h>
-#include <ti/getcsc.h>
-#include <stdlib.h>
-
-/* Main function, called first */
-int main(void)
-{
-    /* Clear the homescreen */
-    os_ClrHome();
-
-    /* Print a string */
-    os_PutStrFull("Hello, World.");
-
-    /* Waits for a key */
-    while (!os_GetCSC());
-
-    /* Return 0 for success */
-    return 0;
-}
diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..886a044
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,63 @@
+#include <ti/screen.h>
+#include <ti/getcsc.h>
+#include <stdlib.h>
+#include "main.h"
+
+void demo_func()
+{
+    os_PutStrLine("and this is the demo func!\n");
+}
+
+list_item modes[] = {
+    { "Option 1", demo_func },
+    { "Option 2", nullptr },
+    { "Option 3", nullptr },
+    { "Option 4", nullptr },
+    { "Option 5", nullptr },
+    { "Option 6", nullptr },
+    { "Option 7", nullptr },
+    { "Option 8", nullptr },
+    { "Option 9", nullptr },
+    { "Option 10", demo_func },
+    { nullptr, nullptr }
+};
+
+/* Main function, called first */
+int main(void)
+{
+    /* Clear the homescreen */
+    os_ClrHome();
+
+    list_config config;
+    config.start_row = 1;
+    config.end_row = 5;
+    display_list(modes, config);
+
+    /* Waits for a key */
+    while (!os_GetCSC());
+
+    /* Return 0 for success */
+    return 0;
+}
+
+int display_list(const list_item* list, const list_config& config)
+{
+    size_t item_count = 0;
+    for (size_t i = 0; true; i++)
+    {
+        const list_item& item = list[i];
+        if (item.display_name == nullptr) break;
+        item_count++;
+    }
+    if (item_count == 0) return -1; // No list to display.
+
+    uint8_t max_on_screen = MIN(config.end_row - config.start_row, 10 - config.start_row) + 1;
+    uint24_t offset = 0;
+    for (size_t i = 0, j = offset; i < max_on_screen && j < item_count; i++, j++)
+    {
+        os_SetCursorPos(config.start_row + i, 0);
+        os_PutStrLine(list[j].display_name);
+    }
+
+    return -1;
+}
diff --git a/src/main.h b/src/main.h
new file mode 100644
index 0000000..496665b
--- /dev/null
+++ b/src/main.h
@@ -0,0 +1,20 @@
+#pragma once
+
+#include <inttypes.h>
+
+#define MAX(a, b) (a > b ? a : b)
+#define MIN(a, b) (a < b ? a : b)
+
+typedef struct
+{
+    const char* display_name;
+    void (*select_func)();
+} list_item;
+
+typedef struct
+{
+    uint8_t start_row;
+    uint8_t end_row;
+} list_config;
+
+int display_list(const list_item* list, const list_config& config);