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Fix some cursor movement commands, from Anindya Mukherjee.

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This commit is contained in:
nicm
2021-01-22 10:21:24 +00:00
parent fb774b77d0
commit 8d185395e4
1 changed files with 56 additions and 42 deletions
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98
window-copy.c
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@@ -3981,11 +3981,12 @@ window_copy_cursor_start_of_line(struct window_mode_entry *wme)
struct window_copy_mode_data *data = wme->data;
struct screen *back_s = data->backing;
struct grid_reader gr;
u_int px, py, cy, yy, ny, hsize;
u_int px, py, cy, oldy, yy, ny, nd, hsize;
px = data->cx;
hsize = screen_hsize(back_s);
py = hsize + data->cy - data->oy;
oldy = data->cy;
grid_reader_start(&gr, back_s->grid, px, py);
grid_reader_cursor_start_of_line(&gr, 1);
@@ -3996,9 +3997,11 @@ window_copy_cursor_start_of_line(struct window_mode_entry *wme)
if (py < yy) {
ny = yy - py;
cy = 0;
nd = 1;
} else {
ny = 0;
cy = py - yy;
nd = oldy - cy + 1;
}
while (ny > 0) {
window_copy_cursor_up(wme, 1);
@@ -4006,7 +4009,7 @@ window_copy_cursor_start_of_line(struct window_mode_entry *wme)
}
window_copy_update_cursor(wme, px, cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
window_copy_redraw_lines(wme, data->cy, nd);
}
static void
@@ -4038,11 +4041,12 @@ window_copy_cursor_end_of_line(struct window_mode_entry *wme)
struct window_copy_mode_data *data = wme->data;
struct screen *back_s = data->backing;
struct grid_reader gr;
u_int px, py, cy, yy, ny, hsize;
u_int px, py, cy, oldy, yy, ny, nd, hsize;
px = data->cx;
hsize = screen_hsize(back_s);
py = hsize + data->cy - data->oy;
oldy = data->cy;
grid_reader_start(&gr, back_s->grid, px, py);
if (data->screen.sel != NULL && data->rectflag)
@@ -4054,10 +4058,14 @@ window_copy_cursor_end_of_line(struct window_mode_entry *wme)
/* Scroll down if we went off the visible screen. */
cy = py - hsize + data->oy;
yy = screen_size_y(back_s) - 1;
if (cy > yy)
if (cy > yy) {
ny = cy - yy;
else
oldy = yy;
nd = 1;
} else {
ny = 0;
nd = cy - oldy + 1;
}
while (ny > 0) {
window_copy_cursor_down(wme, 1);
ny--;
@@ -4067,7 +4075,7 @@ window_copy_cursor_end_of_line(struct window_mode_entry *wme)
else
window_copy_update_cursor(wme, px, cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
window_copy_redraw_lines(wme, oldy, nd);
}
static void
@@ -4433,41 +4441,39 @@ window_copy_cursor_next_word(struct window_mode_entry *wme,
{
struct window_copy_mode_data *data = wme->data;
struct screen *back_s = data->backing;
u_int px, py, xx, yy;
int expected = 0;
struct grid_reader gr;
u_int px, py, cy, oldy, yy, ny, nd, hsize;
px = data->cx;
py = screen_hsize(back_s) + data->cy - data->oy;
xx = window_copy_find_length(wme, py);
yy = screen_hsize(back_s) + screen_size_y(back_s) - 1;
hsize = screen_hsize(back_s);
py = hsize + data->cy - data->oy;
oldy = data->cy;
/*
* First skip past any nonword characters and then any word characters.
*
* expected is initially set to 0 for the former and then 1 for the
* latter.
*/
do {
while (px > xx ||
window_copy_in_set(wme, px, py, separators) == expected) {
/* Move down if we're past the end of the line. */
if (px > xx) {
if (py == yy)
return;
window_copy_cursor_down(wme, 0);
px = 0;
grid_reader_start(&gr, back_s->grid, px, py);
grid_reader_cursor_next_word(&gr, separators);
grid_reader_get_cursor(&gr, &px, &py);
py = screen_hsize(back_s) + data->cy - data->oy;
xx = window_copy_find_length(wme, py);
} else
px++;
}
expected = !expected;
} while (expected == 1);
window_copy_update_cursor(wme, px, data->cy);
/* Scroll down if we went off the visible screen. */
cy = py - hsize + data->oy;
yy = screen_size_y(back_s) - 1;
if (cy > yy) {
ny = cy - yy;
oldy = yy;
nd = 1;
} else {
ny = 0;
nd = cy - oldy + 1;
}
while (ny > 0) {
window_copy_cursor_down(wme, 1);
ny--;
}
if (cy > yy)
window_copy_update_cursor(wme, px, yy);
else
window_copy_update_cursor(wme, px, cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
window_copy_redraw_lines(wme, oldy, nd);
}
static void
@@ -4528,12 +4534,13 @@ window_copy_cursor_next_word_end(struct window_mode_entry *wme,
struct options *oo = wp->window->options;
struct screen *back_s = data->backing;
struct grid_reader gr;
u_int px, py, cy, yy, ny, hsize;
u_int px, py, cy, oldy, yy, ny, nd, hsize;
int keys;
px = data->cx;
hsize = screen_hsize(back_s);
py = hsize + data->cy - data->oy;
oldy = data->cy;
grid_reader_start(&gr, back_s->grid, px, py);
keys = options_get_number(oo, "mode-keys");
@@ -4547,10 +4554,14 @@ window_copy_cursor_next_word_end(struct window_mode_entry *wme,
/* Scroll down if we went off the visible screen. */
cy = py - hsize + data->oy;
yy = screen_size_y(back_s) - 1;
if (cy > yy)
if (cy > yy) {
ny = cy - yy;
else
oldy = yy;
nd = 1;
} else {
ny = 0;
nd = cy - oldy + 1;
}
while (ny > 0) {
window_copy_cursor_down(wme, 1);
ny--;
@@ -4560,7 +4571,7 @@ window_copy_cursor_next_word_end(struct window_mode_entry *wme,
else
window_copy_update_cursor(wme, px, cy);
if (window_copy_update_selection(wme, 1, no_reset))
window_copy_redraw_lines(wme, data->cy, 1);
window_copy_redraw_lines(wme, oldy, nd);
}
/* Compute the previous place where a word begins. */
@@ -4617,11 +4628,12 @@ window_copy_cursor_previous_word(struct window_mode_entry *wme,
struct window_copy_mode_data *data = wme->data;
struct screen *back_s = data->backing;
struct grid_reader gr;
u_int px, py, cy, yy, ny, hsize;
u_int px, py, cy, oldy, yy, ny, nd, hsize;
px = data->cx;
hsize = screen_hsize(back_s);
py = hsize + data->cy - data->oy;
oldy = data->cy;
grid_reader_start(&gr, back_s->grid, px, py);
grid_reader_cursor_previous_word(&gr, separators, already);
@@ -4632,9 +4644,11 @@ window_copy_cursor_previous_word(struct window_mode_entry *wme,
if (py < yy) {
ny = yy - py;
cy = 0;
nd = 1;
} else {
ny = 0;
cy = py - yy;
nd = oldy - cy + 1;
}
while (ny > 0) {
window_copy_cursor_up(wme, 1);
@@ -4642,7 +4656,7 @@ window_copy_cursor_previous_word(struct window_mode_entry *wme,
}
window_copy_update_cursor(wme, px, cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
window_copy_redraw_lines(wme, data->cy, nd);
}
static void