a modern tui library written in zig
rockorager.dev
render: advance by width of grapheme
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
+18
-8
src/vaxis.zig
+18
-8
src/vaxis.zig
···
10
const Window = @import("Window.zig");
11
const Options = @import("Options.zig");
12
const Style = @import("cell.zig").Style;
13
14
/// Vaxis is the entrypoint for a Vaxis application. The provided type T should
15
/// be a tagged union which contains all of the events the application will
···
73
pub fn deinit(self: *Self, alloc: ?std.mem.Allocator) void {
74
if (self.tty) |_| {
75
var tty = &self.tty.?;
76
if (self.alt_screen) {
77
_ = tty.write(ctlseqs.rmcup) catch {};
78
-
tty.flush() catch {};
79
}
80
-
if (self.kitty_keyboard) {
81
-
_ = tty.write(ctlseqs.csi_u_pop) catch {};
82
-
tty.flush() catch {};
83
-
}
84
tty.deinit();
85
}
86
if (alloc) |a| {
···
242
var cursor: Style = .{};
243
244
var i: usize = 0;
245
-
while (i < self.screen.buf.len) : (i += 1) {
246
const cell = self.screen.buf[i];
247
-
defer col += 1;
248
-
if (col == self.screen.width) {
249
row += 1;
250
col = 0;
251
}
···
422
}
423
424
pub fn enableKittyKeyboard(self: *Self, flags: Key.KittyFlags) !void {
425
const flag_int: u5 = @bitCast(flags);
426
try std.fmt.format(
427
self.tty.?.buffered_writer.writer(),
···
430
flag_int,
431
},
432
);
433
}
434
};
435
}
···
10
const Window = @import("Window.zig");
11
const Options = @import("Options.zig");
12
const Style = @import("cell.zig").Style;
13
+
const strWidth = @import("ziglyph").display_width.strWidth;
14
15
/// Vaxis is the entrypoint for a Vaxis application. The provided type T should
16
/// be a tagged union which contains all of the events the application will
···
74
pub fn deinit(self: *Self, alloc: ?std.mem.Allocator) void {
75
if (self.tty) |_| {
76
var tty = &self.tty.?;
77
+
if (self.kitty_keyboard) {
78
+
_ = tty.write(ctlseqs.csi_u_pop) catch {};
79
+
}
80
if (self.alt_screen) {
81
_ = tty.write(ctlseqs.rmcup) catch {};
82
}
83
+
tty.flush() catch {};
84
tty.deinit();
85
}
86
if (alloc) |a| {
···
242
var cursor: Style = .{};
243
244
var i: usize = 0;
245
+
while (i < self.screen.buf.len) {
246
const cell = self.screen.buf[i];
247
+
defer {
248
+
// advance by the width of this char mod 1
249
+
const width = blk: {
250
+
if (cell.char.width > 0) break :blk cell.char.width;
251
+
break :blk strWidth(cell.char.grapheme, .half) catch 1;
252
+
};
253
+
col += width;
254
+
i += width;
255
+
}
256
+
if (col >= self.screen.width) {
257
row += 1;
258
col = 0;
259
}
···
430
}
431
432
pub fn enableKittyKeyboard(self: *Self, flags: Key.KittyFlags) !void {
433
+
self.kitty_keyboard = true;
434
const flag_int: u5 = @bitCast(flags);
435
try std.fmt.format(
436
self.tty.?.buffered_writer.writer(),
···
439
flag_int,
440
},
441
);
442
+
try self.tty.?.flush();
443
}
444
};
445
}