void
window_copy_cursor_up(struct window_pane *wp, int scroll_only)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
u_int ox, oy, px, py;
oy = screen_hsize(&wp->base) + data->cy - data->oy;
ox = window_copy_find_length(wp, oy);
if (ox != 0) {
data->lastcx = data->cx;
data->lastsx = ox;
}
data->cx = data->lastcx;
if (scroll_only || data->cy == 0) {
window_copy_scroll_down(wp, 1);
if (scroll_only) {
if (data->cy == screen_size_y(s) - 1)
window_copy_redraw_lines(wp, data->cy, 1);
else
window_copy_redraw_lines(wp, data->cy, 2);
}
} else {
window_copy_update_cursor(wp, data->cx, data->cy - 1);
if (window_copy_update_selection(wp)) {
if (data->cy == screen_size_y(s) - 1)
window_copy_redraw_lines(wp, data->cy, 1);
else
window_copy_redraw_lines(wp, data->cy, 2);
}
}
if (!data->screen.sel.flag || !data->rectflag) {
py = screen_hsize(&wp->base) + data->cy - data->oy;
px = window_copy_find_length(wp, py);
if ((data->cx >= data->lastsx && data->cx != px) ||
data->cx > px)
window_copy_cursor_end_of_line(wp);
}
}
void
window_copy_cursor_next_word_end(struct window_pane *wp, const char *separators)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *back_s = data->backing;
u_int px, py, xx, yy;
int expected = 1;
px = data->cx;
py = screen_hsize(back_s) + data->cy - data->oy;
xx = window_copy_find_length(wp, py);
yy = screen_hsize(back_s) + screen_size_y(back_s) - 1;
/*
* First skip past any word characters, then any nonword characters.
*
* expected is initially set to 1 for the former and then 0 for the
* latter.
*/
do {
while (px > xx ||
window_copy_in_set(wp, 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(wp, 0);
px = 0;
py = screen_hsize(back_s) + data->cy - data->oy;
xx = window_copy_find_length(wp, py);
} else
px++;
}
expected = !expected;
} while (expected == 0);
window_copy_update_cursor(wp, px, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
}
void
window_copy_cursor_right(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
u_int px, py;
if (data->screen.sel.flag && data->rectflag)
px = screen_size_x(&data->screen);
else {
py = screen_hsize(&wp->base) + data->cy - data->oy;
px = window_copy_find_length(wp, py);
}
if (data->cx >= px) {
window_copy_cursor_start_of_line(wp);
window_copy_cursor_down(wp, 0);
} else {
window_copy_update_cursor(wp, data->cx + 1, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
}
}
/* Move to the previous place where a word begins. */
void
window_copy_cursor_previous_word(struct window_pane *wp, const char *separators)
{
struct window_copy_mode_data *data = wp->modedata;
u_int px, py;
px = data->cx;
py = screen_hsize(&wp->base) + data->cy - data->oy;
/* Move back to the previous word character. */
for (;;) {
if (px > 0) {
px--;
if (!window_copy_in_set(wp, px, py, separators))
break;
} else {
if (data->cy == 0 &&
(screen_hsize(&wp->base) == 0 ||
data->oy >= screen_hsize(&wp->base) - 1))
goto out;
window_copy_cursor_up(wp, 0);
py = screen_hsize(&wp->base) + data->cy - data->oy;
px = window_copy_find_length(wp, py);
}
}
/* Move back to the beginning of this word. */
while (px > 0 && !window_copy_in_set(wp, px - 1, py, separators))
px--;
out:
window_copy_update_cursor(wp, px, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
}
void
window_copy_cursor_back_to_indentation(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
u_int px, py, xx;
const struct grid_cell *gc;
px = 0;
py = screen_hsize(&wp->base) + data->cy - data->oy;
xx = window_copy_find_length(wp, py);
while (px < xx) {
gc = grid_peek_cell(wp->base.grid, px, py);
if (gc->flags & GRID_FLAG_UTF8)
break;
if (gc->data != ' ')
break;
px++;
}
window_copy_update_cursor(wp, px, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
}
/* ARGSUSED */
void
window_copy_mouse(
struct window_pane *wp, struct session *sess, struct mouse_event *m)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
u_int i, old_cy;
if (m->x >= screen_size_x(s))
return;
if (m->y >= screen_size_y(s))
return;
/* If mouse wheel (buttons 4 and 5), scroll. */
if ((m->b & MOUSE_45)) {
if ((m->b & MOUSE_BUTTON) == MOUSE_1) {
for (i = 0; i < 5; i++)
window_copy_cursor_up(wp, 0);
} else if ((m->b & MOUSE_BUTTON) == MOUSE_2) {
old_cy = data->cy;
for (i = 0; i < 5; i++)
window_copy_cursor_down(wp, 0);
if (old_cy == data->cy)
goto reset_mode;
}
return;
}
/*
* If already reading motion, move the cursor while buttons are still
* pressed, or stop the selection on their release.
*/
if (s->mode & MODE_MOUSE_BUTTON) {
if ((m->b & MOUSE_BUTTON) != MOUSE_UP) {
window_copy_update_cursor(wp, m->x, m->y);
if (window_copy_update_selection(wp))
window_copy_redraw_screen(wp);
return;
}
goto reset_mode;
}
/* Otherwise if other buttons pressed, start selection and motion. */
if ((m->b & MOUSE_BUTTON) != MOUSE_UP) {
s->mode &= ~MODE_MOUSE_STANDARD;
s->mode |= MODE_MOUSE_BUTTON;
window_copy_update_cursor(wp, m->x, m->y);
window_copy_start_selection(wp);
window_copy_redraw_screen(wp);
}
return;
reset_mode:
s->mode &= ~MODE_MOUSE_BUTTON;
s->mode |= MODE_MOUSE_STANDARD;
if (sess != NULL) {
window_copy_copy_selection(wp);
window_pane_reset_mode(wp);
}
}
