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terminal: erase display below should unwrap soft wrapped state

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This commit is contained in:
Mitchell Hashimoto
2023-03-01 21:30:31 -08:00
parent 56cb1dd55b
commit 05fe2a83b1
2 changed files with 24 additions and 18 deletions
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15
src/terminal/Screen.zig
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@ -1876,22 +1876,21 @@ pub fn resize(self: *Screen, rows: usize, cols: usize) !void {
while (iter.next()) |old_row| {
// If we're past the end, scroll
if (y >= self.rows) {
y -= 1;
try self.scroll(.{ .delta = 1 });
y -= 1;
}
// Get this row
var new_row = self.getRow(.{ .active = y });
try new_row.copyRow(old_row);
// We need to check if our cursor was on this line. If so,
// we set the new cursor.
if (cursor_pos.y == iter.value - 1) {
assert(new_cursor == null); // should only happen once
new_cursor = .{ .y = self.rowsWritten() - 1, .x = cursor_pos.x };
new_cursor = .{ .y = self.history + y, .x = cursor_pos.x };
}
// If no reflow, just keep going.
// At this point, we're always at x == 0 so we can just copy
// the row (we know old.cols < self.cols).
var new_row = self.getRow(.{ .active = y });
try new_row.copyRow(old_row);
if (!old_row.header().flags.wrap) {
// If we have no reflow, we attempt to extend any stylized
// cells at the end of the line if there is one.
@ -1955,7 +1954,7 @@ pub fn resize(self: *Screen, rows: usize, cols: usize) !void {
cursor_pos.x < copy_len and
new_cursor == null)
{
new_cursor = .{ .y = self.rowsWritten() - 1, .x = x + cursor_pos.x };
new_cursor = .{ .y = self.history + y, .x = x + cursor_pos.x };
}
// We copied the full amount left in this wrapped row.

23
src/terminal/Terminal.zig
View File

@ -912,19 +912,26 @@ pub fn eraseDisplay(
.below => {
// All lines to the right (including the cursor)
var x: usize = self.screen.cursor.x;
while (x < self.cols) : (x += 1) {
const cell = self.screen.getCellPtr(.active, self.screen.cursor.y, x);
{
const row = self.screen.getRow(.{ .active = self.screen.cursor.y });
row.setWrapped(false);
row.setDirty(true);
for (self.screen.cursor.x..self.cols) |x| {
if (row.header().flags.grapheme) row.clearGraphemes(x);
const cell = row.getCellPtr(x);
cell.* = self.screen.cursor.pen;
cell.char = 0;
}
}
// All lines below
var y: usize = self.screen.cursor.y + 1;
while (y < self.rows) : (y += 1) {
x = 0;
while (x < self.cols) : (x += 1) {
const cell = self.screen.getCellPtr(.active, y, x);
for ((self.screen.cursor.y + 1)..self.rows) |y| {
const row = self.screen.getRow(.{ .active = y });
row.setWrapped(false);
row.setDirty(true);
for (0..self.cols) |x| {
if (row.header().flags.grapheme) row.clearGraphemes(x);
const cell = row.getCellPtr(x);
cell.* = self.screen.cursor.pen;
cell.char = 0;
}