mirror of https://github.com/fairyglade/ly.git
62 lines
1.6 KiB
Zig
62 lines
1.6 KiB
Zig
const std = @import("std");
|
|
const TerminalBuffer = @import("../TerminalBuffer.zig");
|
|
const generic = @import("generic.zig");
|
|
const utils = @import("../utils.zig");
|
|
|
|
const Allocator = std.mem.Allocator;
|
|
|
|
const MessageLabel = generic.CyclableLabel(Message);
|
|
|
|
const InfoLine = @This();
|
|
|
|
const Message = struct {
|
|
width: u8,
|
|
text: []const u8,
|
|
bg: u32,
|
|
fg: u32,
|
|
};
|
|
|
|
label: MessageLabel,
|
|
|
|
pub fn init(allocator: Allocator, buffer: *TerminalBuffer) InfoLine {
|
|
return .{
|
|
.label = MessageLabel.init(allocator, buffer, drawItem),
|
|
};
|
|
}
|
|
|
|
pub fn deinit(self: InfoLine) void {
|
|
self.label.deinit();
|
|
}
|
|
|
|
pub fn addMessage(self: *InfoLine, text: []const u8, bg: u32, fg: u32) !void {
|
|
if (text.len == 0) return;
|
|
|
|
try self.label.addItem(.{
|
|
.width = try utils.strWidth(text),
|
|
.text = text,
|
|
.bg = bg,
|
|
.fg = fg,
|
|
});
|
|
}
|
|
|
|
pub fn clearRendered(allocator: Allocator, buffer: TerminalBuffer) !void {
|
|
// Draw over the area
|
|
const y = buffer.box_y + buffer.margin_box_v;
|
|
const spaces = try allocator.alloc(u8, buffer.box_width);
|
|
defer allocator.free(spaces);
|
|
|
|
@memset(spaces, ' ');
|
|
|
|
buffer.drawLabel(spaces, buffer.box_x, y);
|
|
}
|
|
|
|
fn drawItem(label: *MessageLabel, message: Message, _: usize, _: usize) bool {
|
|
if (message.width == 0 or label.buffer.box_width <= message.width) return false;
|
|
|
|
const x = label.buffer.box_x + ((label.buffer.box_width - message.width) / 2);
|
|
label.first_char_x = x + message.width;
|
|
|
|
TerminalBuffer.drawColorLabel(message.text, x, label.y, message.fg, message.bg);
|
|
return true;
|
|
}
|