diff options
Diffstat (limited to 'src/ninep')
| -rw-r--r-- | src/ninep/pane.zig | 3 | ||||
| -rw-r--r-- | src/ninep/pty.zig | 31 |
2 files changed, 26 insertions, 8 deletions
diff --git a/src/ninep/pane.zig b/src/ninep/pane.zig index 50fc220e..ad6a6a28 100644 --- a/src/ninep/pane.zig +++ b/src/ninep/pane.zig @@ -63,6 +63,9 @@ pub const State = struct { lock: ?u32 = null, /// The host started a shell it could not teach to mark its prompts. unmarked: bool = false, + /// The pty's size as pty/ctl's winsize last set it, until the pane's own + /// grid resizes and gives the pty its size again. + winsize: ?[2]u16 = null, /// Installed during this update; /log hears about it once the update ends /// and the pane has its file, name and place. unannounced: bool = false, diff --git a/src/ninep/pty.zig b/src/ninep/pty.zig index 7a5187fe..37132f90 100644 --- a/src/ninep/pty.zig +++ b/src/ninep/pty.zig @@ -60,6 +60,7 @@ fn verb(p: *Pardes, id: usize, line: []const u8, apply: bool) bool { if (words.next() != null) return false; if (!apply) return true; p.emit(.{ .resize_pty = .{ .pane = @intCast(id), .cols = cols, .rows = rows } }); + pane.fs.winsize = .{ cols, rows }; }, .sig => { const which = signalNamed(words.next() orelse return false) orelse return false; @@ -79,13 +80,20 @@ fn verb(p: *Pardes, id: usize, line: []const u8, apply: bool) bool { /// ctl reads back its state in the words it takes, as a Plan 9 ctl does. pub fn readCtl(p: *Pardes, req: Req, pane: *Pane) Reply { - p.fs.stage(p.gpa).print(p.gpa, "winsize {d} {d}\n", .{ pane.cols, pane.rows }) catch + const size = winsize(pane); + p.fs.stage(p.gpa).print(p.gpa, "winsize {d} {d}\n", .{ size[0], size[1] }) catch return Reply.fail(req.tag, E.NOMEM); return tree.stagedReply(p, req); } -/// Three right-aligned fields: cols, rows and busy: whether a run written now -/// would be told `busy` (a command runs, or text is typed at the prompt). +/// The pty's size: what ctl's winsize set, else the pane's grid. +fn winsize(pane: *const Pane) [2]u16 { + return pane.fs.winsize orelse .{ pane.cols, pane.rows }; +} + +/// Three right-aligned fields: the pty's cols and rows, and busy: whether a +/// run written now would be told `busy` (a command runs, or text is typed at +/// the prompt). A newline ends the line, as a Plan 9 status file's does. pub const status_len: u64 = 36; pub fn readStatus(p: *Pardes, req: Req, id: usize, pane: *Pane) Reply { @@ -97,7 +105,8 @@ pub fn readStatus(p: *Pardes, req: Req, id: usize, pane: *Pane) Reply { const busy = p.hostTtyTaken(id) or (!pane.fs.unmarked and (waitingRun(p, pane) != null or (if (marks) |m| m.prompts > 0 and (m.phase != .input or !pardes.panes.Terminal.promptInputEmpty(pane)) else false))); const out = p.fs.stage(p.gpa); - out.print(p.gpa, "{d:>11} {d:>11} {d:>11} ", .{ pane.cols, pane.rows, @intFromBool(busy) }) catch {}; + const size = winsize(pane); + out.print(p.gpa, "{d:>11} {d:>11} {d:>11}\n", .{ size[0], size[1], @intFromBool(busy) }) catch {}; return tree.stagedReply(p, req); } @@ -466,6 +475,12 @@ test "every pty/ctl verb, and every refusal" { try testing.expectEqual(@as(u16, 44), ws.winsize.?.rows); try testing.expectEqual(cols, pane.cols); try testing.expectEqual(rows, pane.rows); + // ctl and status read back the pty's size, until the pane resizes. + try testing.expectEqualStrings("winsize 132 44\n", rd(p, ctl, 0, 64).bytes); + try testing.expect(std.mem.startsWith(u8, rd(p, Node.of(serialOf(p), .pty_status), 0, 64).bytes, " 132 44 ")); + p.update(.{ .resize = .{ .cols = 76, .rows = 24 } }); + try testing.expect(pane.cols != 132); + try testing.expectEqualStrings(try std.fmt.bufPrint(&said, "winsize {d} {d}\n", .{ pane.cols, pane.rows }), rd(p, ctl, 0, 64).bytes); for ([_]struct { line: []const u8, want: pardes.PtySignal }{ .{ .line = "sig INT", .want = .int }, @@ -556,7 +571,7 @@ test "pty/status reports the grid and who holds the tty" { const a = rd(p, status, 0, 256); try testing.expectEqual(Status.ok, a.reply.status); var want: [64]u8 = undefined; - const whole = try std.fmt.bufPrint(&want, "{d:>11} {d:>11} {d:>11} ", .{ pane.cols, pane.rows, 0 }); + const whole = try std.fmt.bufPrint(&want, "{d:>11} {d:>11} {d:>11}\n", .{ pane.cols, pane.rows, 0 }); try testing.expectEqualStrings(whole, a.bytes); try testing.expectEqual(@as(usize, 3 * 12), a.bytes.len); try testing.expectEqualStrings(whole[12..], rd(p, status, 12, 256).bytes); @@ -565,7 +580,7 @@ test "pty/status reports the grid and who holds the tty" { p.host = .{ .ctx = &probe, .vtable = &th.FakeTty.vtable }; const held = rd(p, status, 0, 256); try testing.expectEqualStrings( - try std.fmt.bufPrint(&want, "{d:>11} {d:>11} {d:>11} ", .{ pane.cols, pane.rows, 1 }), + try std.fmt.bufPrint(&want, "{d:>11} {d:>11} {d:>11}\n", .{ pane.cols, pane.rows, 1 }), held.bytes, ); } @@ -647,12 +662,12 @@ test "run answers how its command ended once the shell is back at a prompt" { // Before its first prompt the shell cannot take a line yet: the line // waits for it, and pty/status does not call the shell busy meanwhile. const status = Node.of(serialOf(p), .pty_status); - try testing.expect(std.mem.endsWith(u8, rd(p, status, 0, 64).bytes, " 0 ")); + try testing.expect(std.mem.endsWith(u8, rd(p, status, 0, 64).bytes, " 0\n")); const early = call(p, .{ .tag = 1, .op = .open, .node = node }); const waiting = call(p, .{ .tag = 2, .op = .write, .node = node, .handle = early.reply.handle, .data = "true\n" }); try testing.expectEqualStrings("", waiting.pty()); try testing.expectEqual(Status.again, call(p, .{ .tag = 3, .op = .read, .node = node, .handle = early.reply.handle, .size = 64 }).reply.status); - try testing.expect(std.mem.endsWith(u8, rd(p, status, 0, 64).bytes, " 1 ")); + try testing.expect(std.mem.endsWith(u8, rd(p, status, 0, 64).bytes, " 1\n")); // A respawn before that prompt keeps it waiting for the new shell's. p.acknowledgeShell(0, "/bin/sh", true); try testing.expectEqual(Status.again, call(p, .{ .tag = 3, .op = .read, .node = node, .handle = early.reply.handle, .size = 64 }).reply.status); |