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Fix collapsed copy mode on resize and with the cursor below the output.

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Rebuilding the folded view wrote a linefeed for every source line, including
the blank lines at the end, so shrinking the window scrolled the collapsed
output into history. Stop at the last non-blank line and rebuild a folded view
at the new size when the window is resized.

When no cursor position could be restored, the fallback used the source row,
which can be past the bottom of the shorter folded view and was then used to
index the grid. Fall back to the nearest visible line and clamp to the screen.

Keep the unfolded source only while fold view is on, so plain copy mode is
back to the incremental sync with one copy of the history. Document
toggle-output -m, and rename struct input_osc_133_ctx to struct osc133_marker.
Line numbers started with L stay absolute when fold view is toggled.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
Michael Grant
2026-10-08 21:05:05 +02:00
parent 0d65a0f60c
commit b4810e5b2d
6 changed files with 243 additions and 174 deletions
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6
input.c
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@@ -3194,13 +3194,13 @@ input_osc_112(struct input_ctx *ictx, const char *p)
}
/* Save the running command's output start before clearing the screen. */
struct input_osc_133_ctx
struct osc133_marker
input_osc_133_save_marker(struct window_pane *wp, struct screen *s)
{
struct grid *gd = s->grid;
struct grid_line *gl;
struct osc133_data *od;
struct input_osc_133_ctx ctx = {0};
struct osc133_marker ctx = {0};
u_int y;
if (wp == NULL)
@@ -3241,7 +3241,7 @@ input_osc_133_save_marker(struct window_pane *wp, struct screen *s)
/* Restore the running command's output start if a screen clear removed it. */
void
input_osc_133_restore_marker(struct screen *s,
const struct input_osc_133_ctx *ctx)
const struct osc133_marker *ctx)
{
struct grid *gd = s->grid;
struct grid_line *gl;