From 1d3148201c62fe3e9b65866cfe3c67ec495e0c4b Mon Sep 17 00:00:00 2001
From: Kinzie <me@kinzie.dev>
Date: Mon, 13 May 2024 13:21:02 +0100
Subject: [PATCH] Custom info text

---
 src/config/Config.zig      |  2 ++
 src/main.zig               | 12 +++++++++---
 src/tui/TerminalBuffer.zig | 14 ++++++++++++++
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/src/config/Config.zig b/src/config/Config.zig
index 0c584d5..a3baab3 100644
--- a/src/config/Config.zig
+++ b/src/config/Config.zig
@@ -10,6 +10,7 @@ bg: u8 = 0,
 bigclock: bool = false,
 blank_box: bool = true,
 border_fg: u8 = 8,
+box_title: ?[]const u8 = null,
 clear_password: bool = false,
 clock: ?[:0]const u8 = null,
 console_dev: [:0]const u8 = "/dev/console",
@@ -17,6 +18,7 @@ default_input: Input = .login,
 fg: u8 = 8,
 hide_borders: bool = false,
 hide_key_hints: bool = false,
+initial_info_text: ?[]const u8 = null,
 input_len: u8 = 34,
 lang: []const u8 = "en",
 load: bool = true,
diff --git a/src/main.zig b/src/main.zig
index a638a0b..bd2d4b0 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -129,8 +129,10 @@ pub fn main() !void {
 
     interop.setNumlock(config.numlock) catch {};
 
-    // Initialize information line with host name
-    get_host_name: {
+    if (config.initial_info_text) |text| {
+        try info_line.setText(text);
+    } else get_host_name: {
+        // Initialize information line with host name
         var name_buf: [std.posix.HOST_NAME_MAX]u8 = undefined;
         const hostname = std.posix.gethostname(&name_buf) catch {
             try info_line.setText(lang.err_hostname);
@@ -395,9 +397,13 @@ pub fn main() !void {
                     }
                 }
 
+                if (config.box_title) |title| {
+                    buffer.drawConfinedLabel(title, buffer.box_x, buffer.box_y - 1, buffer.box_width);
+                }
+
                 if (config.vi_mode) {
                     const label_txt = if (insert_mode) lang.insert else lang.normal;
-                    buffer.drawLabel(label_txt, buffer.box_x, buffer.box_y - 1);
+                    buffer.drawLabel(label_txt, buffer.box_x, buffer.box_y + buffer.box_height);
                 }
 
                 draw_lock_state: {
diff --git a/src/tui/TerminalBuffer.zig b/src/tui/TerminalBuffer.zig
index 0a746a6..201aa1f 100644
--- a/src/tui/TerminalBuffer.zig
+++ b/src/tui/TerminalBuffer.zig
@@ -170,6 +170,20 @@ pub fn drawLabel(self: TerminalBuffer, text: []const u8, x: u64, y: u64) void {
     }
 }
 
+pub fn drawConfinedLabel(self: TerminalBuffer, text: []const u8, x: u64, y: u64, max_length: u64) void {
+    var confined_text = text;
+    if (text.len > max_length) confined_text = text[0..max_length];
+
+    const yc: c_int = @intCast(y);
+    const utf8view = std.unicode.Utf8View.init(confined_text) catch return;
+    var utf8 = utf8view.iterator();
+
+    var i = x;
+    while (utf8.nextCodepoint()) |codepoint| : (i += 1) {
+        termbox.tb_change_cell(@intCast(i), yc, codepoint, self.fg, self.bg);
+    }
+}
+
 pub fn drawCharMultiple(self: TerminalBuffer, char: u8, x: u64, y: u64, length: u64) void {
     const yc: c_int = @intCast(y);
     const cell = utils.initCell(char, self.fg, self.bg);