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terminal/new: pagelist resize rows and cols

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This commit is contained in:
Mitchell Hashimoto
2024-02-29 22:22:46 -08:00
parent 437980a28d
commit df1c935a3a
1 changed files with 42 additions and 3 deletions
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45
src/terminal/new/PageList.zig
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@ -368,9 +368,7 @@ pub fn resize(self: *PageList, opts: Resize) !void {
fn resizeWithoutReflow(self: *PageList, opts: Resize) !void {
assert(!opts.reflow);
// If we're only changing the number of rows, it is a very fast operation.
if (opts.cols == null) {
const rows = opts.rows orelse return;
if (opts.rows) |rows| {
switch (std.math.order(rows, self.rows)) {
.eq => {},
@ -1950,3 +1948,44 @@ test "PageList resize (no reflow) less cols then more cols" {
try testing.expectEqual(@as(usize, 5), cells.len);
}
}
test "PageList resize (no reflow) less rows and cols" {
const testing = std.testing;
const alloc = testing.allocator;
var s = try init(alloc, 10, 10, 0);
defer s.deinit();
// Resize less
try s.resize(.{ .cols = 5, .rows = 7, .reflow = false });
try testing.expectEqual(@as(usize, 5), s.cols);
try testing.expectEqual(@as(usize, 7), s.rows);
var it = s.rowIterator(.{ .screen = .{} }, null);
while (it.next()) |offset| {
const rac = offset.rowAndCell(0);
const cells = offset.page.data.getCells(rac.row);
try testing.expectEqual(@as(usize, 5), cells.len);
}
}
test "PageList resize (no reflow) more rows and less cols" {
const testing = std.testing;
const alloc = testing.allocator;
var s = try init(alloc, 10, 10, 0);
defer s.deinit();
// Resize less
try s.resize(.{ .cols = 5, .rows = 20, .reflow = false });
try testing.expectEqual(@as(usize, 5), s.cols);
try testing.expectEqual(@as(usize, 20), s.rows);
try testing.expectEqual(@as(usize, 20), s.totalRows());
var it = s.rowIterator(.{ .screen = .{} }, null);
while (it.next()) |offset| {
const rac = offset.rowAndCell(0);
const cells = offset.page.data.getCells(rac.row);
try testing.expectEqual(@as(usize, 5), cells.len);
}
}