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Move more termbox usage into TerminalBuffer

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Signed-off-by: AnErrupTion <anerruption@disroot.org>
This commit is contained in:
AnErrupTion
2026-01-31 10:36:08 +01:00
parent 7934060d3b
commit 0c12008327
2 changed files with 108 additions and 69 deletions
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95
src/main.zig
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@@ -49,12 +49,12 @@ fn signalHandler(i: c_int) callconv(.c) void {
_ = std.c.waitpid(session_pid, &status, 0);
}
_ = termbox.tb_shutdown();
TerminalBuffer.shutdownStatic();
std.c.exit(i);
}
fn ttyControlTransferSignalHandler(_: c_int) callconv(.c) void {
_ = termbox.tb_shutdown();
TerminalBuffer.shutdownStatic();
}
const ConfigError = struct {
@@ -303,37 +303,8 @@ pub fn main() !void {
}
}
// Initialize termbox
try log_writer.writeAll("initializing termbox2\n");
_ = termbox.tb_init();
defer {
log_writer.writeAll("shutting down termbox2\n") catch {};
_ = termbox.tb_shutdown();
}
const act = std.posix.Sigaction{
.handler = .{ .handler = &signalHandler },
.mask = std.posix.sigemptyset(),
.flags = 0,
};
std.posix.sigaction(std.posix.SIG.TERM, &act, null);
if (config.full_color) {
_ = termbox.tb_set_output_mode(termbox.TB_OUTPUT_TRUECOLOR);
try log_writer.writeAll("termbox2 set to 24-bit color output mode\n");
} else {
try log_writer.writeAll("termbox2 set to eight-color output mode\n");
}
_ = termbox.tb_clear();
// Let's take some precautions here and clear the back buffer as well
try ttyClearScreen();
// Needed to reset termbox after auth
const tb_termios = try std.posix.tcgetattr(std.posix.STDIN_FILENO);
// Initialize terminal buffer
try log_writer.writeAll("initializing terminal buffer\n");
const labels_max_length = @max(lang.login.len, lang.password.len);
var seed: u64 = undefined;
@@ -349,10 +320,22 @@ pub fn main() !void {
.margin_box_h = config.margin_box_h,
.margin_box_v = config.margin_box_v,
.input_len = config.input_len,
.full_color = config.full_color,
.labels_max_length = labels_max_length,
.is_tty = true,
};
var buffer = TerminalBuffer.init(buffer_options, labels_max_length, random);
var buffer = try TerminalBuffer.init(buffer_options, &log_file, random);
defer {
log_writer.writeAll("shutting down terminal buffer\n") catch {};
TerminalBuffer.shutdownStatic();
}
try log_writer.print("screen resolution is {d}x{d}\n", .{ buffer.width, buffer.height });
const act = std.posix.Sigaction{
.handler = .{ .handler = &signalHandler },
.mask = std.posix.sigemptyset(),
.flags = 0,
};
std.posix.sigaction(std.posix.SIG.TERM, &act, null);
// Initialize components
var info_line = InfoLine.init(allocator, &buffer);
@@ -637,10 +620,10 @@ pub fn main() !void {
if (!update or animate) {
if (!update) std.Thread.sleep(std.time.ns_per_ms * 100);
_ = termbox.tb_present(); // Required to update tb_width() and tb_height()
const width: usize = @intCast(termbox.tb_width());
const height: usize = @intCast(termbox.tb_height());
// Required to update tb_width() and tb_height()
const new_dimensions = TerminalBuffer.presentBufferStatic();
const width = new_dimensions.width;
const height = new_dimensions.height;
if (width != buffer.width or height != buffer.height) {
// If it did change, then update the cell buffer, reallocate the current animation's buffers, and force a draw update
@@ -670,11 +653,11 @@ pub fn main() !void {
auth_fails = 0;
}
_ = termbox.tb_present();
_ = TerminalBuffer.presentBufferStatic();
continue;
}
_ = termbox.tb_clear();
try TerminalBuffer.clearScreenStatic(false);
var length: usize = config.edge_margin;
@@ -859,7 +842,7 @@ pub fn main() !void {
login.label.draw();
password.draw();
_ = termbox.tb_present();
_ = TerminalBuffer.presentBufferStatic();
}
var timeout: i32 = -1;
@@ -1021,7 +1004,7 @@ pub fn main() !void {
try log_writer.print("failed to clear info line: {s}\n", .{@errorName(err)});
};
info_line.label.draw();
_ = termbox.tb_present();
_ = TerminalBuffer.presentBufferStatic();
break :authenticate;
}
@@ -1031,7 +1014,7 @@ pub fn main() !void {
try log_writer.print("failed to clear info line: {s}\n", .{@errorName(err)});
};
info_line.label.draw();
_ = termbox.tb_present();
_ = TerminalBuffer.presentBufferStatic();
if (config.save) save_last_settings: {
// It isn't worth cluttering the code with precise error
@@ -1120,12 +1103,7 @@ pub fn main() !void {
try log_file.reinit();
}
// Take back control of the TTY
_ = termbox.tb_init();
if (config.full_color) {
_ = termbox.tb_set_output_mode(termbox.TB_OUTPUT_TRUECOLOR);
}
try buffer.reclaim();
const auth_err = shared_err.readError();
if (auth_err) |err| {
@@ -1148,18 +1126,14 @@ pub fn main() !void {
try log_writer.writeAll("logged out\n");
}
try std.posix.tcsetattr(std.posix.STDIN_FILENO, .FLUSH, tb_termios);
if (config.auth_fails == 0 or auth_fails < config.auth_fails) {
_ = termbox.tb_clear();
try ttyClearScreen();
try TerminalBuffer.clearScreenStatic(true);
update = true;
}
// Restore the cursor
_ = termbox.tb_set_cursor(0, 0);
_ = termbox.tb_present();
TerminalBuffer.setCursorStatic(0, 0);
_ = TerminalBuffer.presentBufferStatic();
},
else => {
if (!insert_mode) {
@@ -1208,13 +1182,6 @@ fn configErrorHandler(type_name: []const u8, key: []const u8, value: []const u8,
}) catch return;
}
fn ttyClearScreen() !void {
// Clear the TTY because termbox2 doesn't seem to do it properly
const capability = termbox.global.caps[termbox.TB_CAP_CLEAR_SCREEN];
const capability_slice = std.mem.span(capability);
_ = try std.posix.write(termbox.global.ttyfd, capability_slice);
}
fn addOtherEnvironment(session: *Session, lang: Lang, display_server: DisplayServer, exec: ?[]const u8) !void {
const name = switch (display_server) {
.shell => lang.shell,