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fix tabstops off by one

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This commit is contained in:
Mitchell Hashimoto
2022-06-25 11:08:20 -07:00
parent 96d2de8f60
commit b42c54e964
1 changed files with 3 additions and 3 deletions
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6
src/terminal/Terminal.zig
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@ -507,7 +507,7 @@ pub fn horizontalTab(self: *Terminal) !void {
// If the last cursor position was a tabstop we return. We do // If the last cursor position was a tabstop we return. We do
// "last cursor position" because we want a space to be written // "last cursor position" because we want a space to be written
// at the tabstop unless we're at the end (the while condition). // at the tabstop unless we're at the end (the while condition).
if (self.tabstops.get(self.cursor.x - 1)) return; if (self.tabstops.get(self.cursor.x)) return;
} }
} }
@ -515,7 +515,7 @@ pub fn horizontalTab(self: *Terminal) !void {
/// TODO: test /// TODO: test
pub fn tabClear(self: *Terminal, cmd: csi.TabClear) void { pub fn tabClear(self: *Terminal, cmd: csi.TabClear) void {
switch (cmd) { switch (cmd) {
.current => self.tabstops.unset(self.cursor.x - 1), .current => self.tabstops.unset(self.cursor.x),
.all => self.tabstops.reset(0), .all => self.tabstops.reset(0),
else => log.warn("invalid or unknown tab clear setting: {}", .{cmd}), else => log.warn("invalid or unknown tab clear setting: {}", .{cmd}),
} }
@ -524,7 +524,7 @@ pub fn tabClear(self: *Terminal, cmd: csi.TabClear) void {
/// Set a tab stop on the current cursor. /// Set a tab stop on the current cursor.
/// TODO: test /// TODO: test
pub fn tabSet(self: *Terminal) void { pub fn tabSet(self: *Terminal) void {
self.tabstops.set(self.cursor.x - 1); self.tabstops.set(self.cursor.x);
} }
/// Carriage return moves the cursor to the first column. /// Carriage return moves the cursor to the first column.