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Store and restore cursor position when copy mode is resized, from Anindya
Mukherjee.
This commit is contained in:
parent
1f6c00f8ef
commit
e810f15272
2
grid.c
2
grid.c
@ -1285,7 +1285,7 @@ grid_reflow(struct grid *gd, u_int sx)
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/*
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* If the line is exactly right or the first character is wider
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* than the targe width, just move it across unchanged.
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* than the target width, just move it across unchanged.
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*/
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if (width == sx || first > sx) {
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grid_reflow_move(target, gl);
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48
screen.c
48
screen.c
@ -48,7 +48,7 @@ struct screen_title_entry {
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TAILQ_HEAD(screen_titles, screen_title_entry);
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static void screen_resize_y(struct screen *, u_int, int, u_int *);
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static void screen_reflow(struct screen *, u_int, u_int *, u_int *);
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static void screen_reflow(struct screen *, u_int, u_int *, u_int *, int);
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/* Free titles stack. */
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static void
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@ -219,27 +219,19 @@ screen_pop_title(struct screen *s)
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}
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}
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/* Resize screen and return cursor position. */
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/* Resize screen with options. */
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void
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screen_resize_cursor(struct screen *s, u_int sx, u_int sy, int reflow,
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int eat_empty, u_int *cx, u_int *cy)
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int eat_empty, int cursor)
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{
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u_int tcx, tcy;
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u_int cx = s->cx, cy = s->grid->hsize + s->cy;
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if (s->write_list != NULL)
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screen_write_free_list(s);
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if (cx == NULL)
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cx = &tcx;
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*cx = s->cx;
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if (cy == NULL)
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cy = т
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*cy = s->grid->hsize + s->cy;
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log_debug("%s: new size %ux%u, now %ux%u (cursor %u,%u = %u,%u)",
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__func__, sx, sy, screen_size_x(s), screen_size_y(s), s->cx, s->cy,
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*cx, *cy);
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cx, cy);
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if (sx < 1)
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sx = 1;
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@ -253,20 +245,21 @@ screen_resize_cursor(struct screen *s, u_int sx, u_int sy, int reflow,
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reflow = 0;
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if (sy != screen_size_y(s))
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screen_resize_y(s, sy, eat_empty, cy);
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screen_resize_y(s, sy, eat_empty, &cy);
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if (reflow)
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screen_reflow(s, sx, cx, cy);
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screen_reflow(s, sx, &cx, &cy, cursor);
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if (*cy >= s->grid->hsize) {
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s->cx = *cx;
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s->cy = (*cy) - s->grid->hsize;
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if (cy >= s->grid->hsize) {
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s->cx = cx;
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s->cy = cy - s->grid->hsize;
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} else {
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s->cx = 0;
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s->cy = 0;
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}
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log_debug("%s: cursor finished at %u,%u = %u,%u", __func__, s->cx,
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s->cy, *cx, *cy);
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s->cy, cx, cy);
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if (s->write_list != NULL)
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screen_write_make_list(s);
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@ -276,7 +269,7 @@ screen_resize_cursor(struct screen *s, u_int sx, u_int sy, int reflow,
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void
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screen_resize(struct screen *s, u_int sx, u_int sy, int reflow)
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{
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screen_resize_cursor(s, sx, sy, reflow, 1, NULL, NULL);
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screen_resize_cursor(s, sx, sy, reflow, 1, 1);
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}
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static void
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@ -524,17 +517,26 @@ screen_select_cell(struct screen *s, struct grid_cell *dst,
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/* Reflow wrapped lines. */
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static void
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screen_reflow(struct screen *s, u_int new_x, u_int *cx, u_int *cy)
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screen_reflow(struct screen *s, u_int new_x, u_int *cx, u_int *cy, int cursor)
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{
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u_int wx, wy;
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if (cursor) {
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grid_wrap_position(s->grid, *cx, *cy, &wx, &wy);
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log_debug("%s: cursor %u,%u is %u,%u", __func__, *cx, *cy, wx, wy);
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log_debug("%s: cursor %u,%u is %u,%u", __func__, *cx, *cy, wx,
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wy);
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}
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grid_reflow(s->grid, new_x);
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if (cursor) {
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grid_unwrap_position(s->grid, cx, cy, wx, wy);
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log_debug("%s: new cursor is %u,%u", __func__, *cx,* cy);
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log_debug("%s: new cursor is %u,%u", __func__, *cx, *cy);
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}
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else {
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*cx = 0;
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*cy = s->grid->hsize;
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}
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}
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/*
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3
tmux.h
3
tmux.h
@ -2527,8 +2527,7 @@ void screen_set_path(struct screen *, const char *);
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void screen_push_title(struct screen *);
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void screen_pop_title(struct screen *);
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void screen_resize(struct screen *, u_int, u_int, int);
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void screen_resize_cursor(struct screen *, u_int, u_int, int, int, u_int *,
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u_int *);
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void screen_resize_cursor(struct screen *, u_int, u_int, int, int, int);
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void screen_set_selection(struct screen *, u_int, u_int, u_int, u_int,
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u_int, int, struct grid_cell *);
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void screen_clear_selection(struct screen *);
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@ -306,8 +306,9 @@ window_copy_clone_screen(struct screen *src, struct screen *hint, u_int *cx,
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u_int *cy, int trim)
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{
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struct screen *dst;
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u_int sy;
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const struct grid_line *gl;
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u_int sy, wx, wy;
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int reflow;
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dst = xcalloc(1, sizeof *dst);
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@ -324,6 +325,12 @@ window_copy_clone_screen(struct screen *src, struct screen *hint, u_int *cx,
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screen_size_x(src), sy, screen_size_x(hint),
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screen_hsize(src) + screen_size_y(src));
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screen_init(dst, screen_size_x(src), sy, screen_hlimit(src));
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/*
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* Ensure history is on for the backing grid so lines are not deleted
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* during resizing.
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*/
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dst->grid->flags |= GRID_HISTORY;
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grid_duplicate_lines(dst->grid, 0, src->grid, 0, sy);
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dst->grid->sy = sy - screen_hsize(src);
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@ -337,8 +344,19 @@ window_copy_clone_screen(struct screen *src, struct screen *hint, u_int *cx,
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dst->cy = src->cy;
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}
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if (cx != NULL && cy != NULL) {
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*cx = dst->cx;
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*cy = screen_hsize(dst) + dst->cy;
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reflow = (screen_size_x(hint) != screen_size_x(dst));
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}
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else
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reflow = 0;
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if (reflow)
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grid_wrap_position(dst->grid, *cx, *cy, &wx, &wy);
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screen_resize_cursor(dst, screen_size_x(hint), screen_size_y(hint), 1,
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0, cx, cy);
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0, 0);
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if (reflow)
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grid_unwrap_position(dst->grid, cx, cy, wx, wy);
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return (dst);
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}
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@ -392,13 +410,12 @@ window_copy_init(struct window_mode_entry *wme,
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data->backing = window_copy_clone_screen(base, &data->screen, &cx, &cy,
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wme->swp != wme->wp);
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if (cy < screen_hsize(data->backing)) {
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data->cx = cx;
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if (cy < screen_hsize(data->backing)) {
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data->cy = 0;
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data->oy = screen_hsize(data->backing) - cy;
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} else {
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data->cx = data->backing->cx;
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data->cy = data->backing->cy;
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data->cy = cy - screen_hsize(data->backing);
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data->oy = 0;
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}
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@ -731,16 +748,28 @@ window_copy_resize(struct window_mode_entry *wme, u_int sx, u_int sy)
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{
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struct window_copy_mode_data *data = wme->data;
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struct screen *s = &data->screen;
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struct grid *gd = data->backing->grid;
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u_int cx, cy, wx, wy;
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int reflow;
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screen_resize(s, sx, sy, 0);
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screen_resize_cursor(data->backing, sx, sy, 1, 0, NULL, NULL);
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cx = data->cx;
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cy = gd->hsize + data->cy - data->oy;
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reflow = (gd->sx != sx);
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if (reflow)
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grid_wrap_position(gd, cx, cy, &wx, &wy);
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screen_resize_cursor(data->backing, sx, sy, 1, 0, 0);
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if (reflow)
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grid_unwrap_position(gd, &cx, &cy, wx, wy);
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if (data->cy > sy - 1)
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data->cy = sy - 1;
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if (data->cx > sx)
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data->cx = sx;
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if (data->oy > screen_hsize(data->backing))
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data->oy = screen_hsize(data->backing);
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data->cx = cx;
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if (cy < gd->hsize) {
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data->cy = 0;
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data->oy = gd->hsize - cy;
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} else {
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data->cy = cy - gd->hsize;
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data->oy = 0;
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}
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window_copy_size_changed(wme);
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window_copy_redraw_screen(wme);
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