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terminal: CHT

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This commit is contained in:
Mitchell Hashimoto
2023-10-06 16:58:48 -07:00
parent 73c079e07f
commit e4b844dea6
5 changed files with 119 additions and 3 deletions
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39
src/terminal/Terminal.zig
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@@ -1497,7 +1497,7 @@ pub fn horizontalTab(self: *Terminal) !void {
const tracy = trace(@src());
defer tracy.end();
while (self.screen.cursor.x < self.cols - 1) {
while (self.screen.cursor.x < self.scrolling_region.right) {
// Move the cursor right
self.screen.cursor.x += 1;
@@ -2294,6 +2294,43 @@ test "Terminal: horizontal tabs" {
try testing.expectEqual(@as(usize, 19), t.screen.cursor.x);
}
test "Terminal: horizontal tabs starting on tabstop" {
const alloc = testing.allocator;
var t = try init(alloc, 20, 5);
defer t.deinit(alloc);
t.screen.cursor.x = 8;
try t.print('X');
t.screen.cursor.x = 8;
try t.horizontalTab();
try t.print('A');
{
var str = try t.plainString(testing.allocator);
defer testing.allocator.free(str);
try testing.expectEqualStrings(" X A", str);
}
}
test "Terminal: horizontal tabs with right margin" {
const alloc = testing.allocator;
var t = try init(alloc, 20, 5);
defer t.deinit(alloc);
t.scrolling_region.left = 2;
t.scrolling_region.right = 5;
t.screen.cursor.x = 0;
try t.print('X');
try t.horizontalTab();
try t.print('A');
{
var str = try t.plainString(testing.allocator);
defer testing.allocator.free(str);
try testing.expectEqualStrings("X A", str);
}
}
test "Terminal: horizontal tabs back" {
const alloc = testing.allocator;
var t = try init(alloc, 20, 5);