Enable true color output (closes #705)

Signed-off-by: AnErrupTion <anerruption@disroot.org>

src/tui/TerminalBuffer.zig

@@ -14,9 +14,9 @@ random: Random,
 width: usize,
 height: usize,
 buffer: [*]termbox.tb_cell,
-fg: u16,
-bg: u16,
-border_fg: u16,
+fg: u32,
+bg: u32,
+border_fg: u32,
 box_chars: struct {
     left_up: u32,
     left_down: u32,
@@ -170,7 +170,7 @@ pub fn drawLabel(self: TerminalBuffer, text: []const u8, x: usize, y: usize) voi
     drawColorLabel(text, x, y, self.fg, self.bg);
 }
 
-pub fn drawColorLabel(text: []const u8, x: usize, y: usize, fg: u16, bg: u16) void {
+pub fn drawColorLabel(text: []const u8, x: usize, y: usize, fg: u32, bg: u32) void {
     const yc: c_int = @intCast(y);
     const utf8view = std.unicode.Utf8View.init(text) catch return;
     var utf8 = utf8view.iterator();

src/tui/components/InfoLine.zig

@@ -12,8 +12,8 @@ const InfoLine = @This();
 const Message = struct {
     width: u8,
     text: []const u8,
-    bg: u16,
-    fg: u16,
+    bg: u32,
+    fg: u32,
 };
 
 label: MessageLabel,
@@ -28,7 +28,7 @@ pub fn deinit(self: InfoLine) void {
     self.label.deinit();
 }
 
-pub fn addMessage(self: *InfoLine, text: []const u8, bg: u16, fg: u16) !void {
+pub fn addMessage(self: *InfoLine, text: []const u8, bg: u32, fg: u32) !void {
     if (text.len == 0) return;
 
     try self.label.addItem(.{

src/tui/utils.zig

@@ -5,11 +5,11 @@ const termbox = interop.termbox;
 
 pub const Cell = struct {
     ch: u32,
-    fg: u16,
-    bg: u16,
+    fg: u32,
+    bg: u32,
 };
 
-pub fn initCell(ch: u32, fg: u16, bg: u16) Cell {
+pub fn initCell(ch: u32, fg: u32, bg: u32) Cell {
     return .{
         .ch = ch,
         .fg = fg,