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-rw-r--r--src/edit.zig12
-rw-r--r--src/terminal.zig5
2 files changed, 17 insertions, 0 deletions
diff --git a/src/edit.zig b/src/edit.zig
index bf65935e..b2909d87 100644
--- a/src/edit.zig
+++ b/src/edit.zig
@@ -2166,6 +2166,18 @@ test "Enter in insert mode keeps a tab-indented line's tabs, as o and O do" {
try std.testing.expect(std.mem.startsWith(u8, pane.file.?.content, "\t\tvalue = 1;\n\t\t\n"));
}
+test "insert on a terminal's text says it edits a copy the program's next drawing replaces" {
+ const p = try Pardes.init(std.testing.allocator, .{ .tty_only = true });
+ defer p.deinit();
+ while (p.nextEffect()) |_| {}
+ const pane = p.panes[0].?;
+ if (!pane.isTerminal()) return error.SkipZigTest;
+ pane.body.mode = .normal;
+ p.update(.{ .key = .{ .cp = 'i' } });
+ p.update(.{ .key = .{ .cp = 'x', .text = "x" } });
+ try std.testing.expect(std.mem.indexOf(u8, pane.msg[0..pane.msg_len], "a copy of the terminal's text") != null);
+}
+
test "insert and normal modes edit complete Unicode graphemes" {
const gpa = std.testing.allocator;
const p = try Pardes.init(gpa, .{ .cols = 60, .rows = 12 });
diff --git a/src/terminal.zig b/src/terminal.zig
index 140dae76..3bb1fbda 100644
--- a/src/terminal.zig
+++ b/src/terminal.zig
@@ -1637,6 +1637,11 @@ pub fn editText(p: *Pardes, pane: *Pane, lo: i32, hi: i32, col: i32) ?EditText {
if (pane.ovl) |overlay| p.gpa.free(overlay.text);
pane.ovl = .{ .row = row0, .rows = covered, .text = text };
}
+ // A terminal's text is its program's: edited here it is a copy, to run
+ // with Tab or B2, gone when the program draws again. Said at its first
+ // edit, so it never looks like an edit that was lost.
+ if (fresh) for (p.panes, 0..) |slot, id| if (slot == pane)
+ p.setMessage(id, "a copy of the terminal's text: Tab or B2 runs it; what the program draws next replaces it (Ctrl-b types to the program)");
return .{ .text = pane.ovl.?.text, .row0 = pane.ovl.?.row };
}