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terminal: index handles left/right regions

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This commit is contained in:
Mitchell Hashimoto
2023-10-12 08:20:46 -07:00
parent bf91367db9
commit 17430a1250
2 changed files with 36 additions and 11 deletions
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26
src/terminal/Terminal.zig
View File

@ -953,11 +953,7 @@ pub fn index(self: *Terminal) !void {
{
try self.screen.scroll(.{ .screen = 1 });
} else {
self.screen.scrollRegionUp(
.{ .active = self.scrolling_region.top },
.{ .active = self.scrolling_region.bottom },
1,
);
try self.scrollUp(1);
}
return;
@ -3744,18 +3740,26 @@ test "Terminal: index inside left/right margin" {
var t = try init(alloc, 10, 5);
defer t.deinit(alloc);
try t.printString("AAAAAA");
t.carriageReturn();
try t.linefeed();
try t.printString("AAAAAA");
t.carriageReturn();
try t.linefeed();
try t.printString("AAAAAA");
t.modes.set(.enable_left_and_right_margin, true);
t.setTopAndBottomMargin(1, 3);
t.scrolling_region.left = 3;
t.scrolling_region.right = 5;
t.setCursorPos(3, 3);
try t.print('A');
t.setLeftAndRightMargin(1, 3);
t.setCursorPos(3, 1);
try t.index();
try t.print('X');
try testing.expectEqual(@as(usize, 2), t.screen.cursor.y);
try testing.expectEqual(@as(usize, 0), t.screen.cursor.x);
{
var str = try t.plainString(testing.allocator);
defer testing.allocator.free(str);
try testing.expectEqualStrings("\n A\n X", str);
try testing.expectEqualStrings("AAAAAA\nAAAAAA\n AAA", str);
}
}

21
website/app/vt/ind/page.mdx
View File

@ -136,3 +136,24 @@ printf "X"
|__________|
|XcA_______|
```
### IND V-7: Inside of Left/Right Scroll Region
```bash
printf "\033[1;1H" # move to top-left
printf "\033[0J" # clear screen
printf "AAAAAA\n"
printf "AAAAAA\n"
printf "AAAAAA"
printf "\033[?69h" # enable left/right margins
printf "\033[1;3s" # set scroll region left/right
printf "\033[1;3r" # set scroll region top/bottom
printf "\033[3;1H" # Move to bottom left
printf "\033D" # index
```
```
|AAAAAA____|
|AAAAAA____|
|c__AAA____|
```