void
window_copy_scroll_up(struct window_pane *wp, u_int ny)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
if (data->oy < ny)
ny = data->oy;
if (ny == 0)
return;
data->oy -= ny;
screen_write_start(&ctx, wp, NULL);
screen_write_cursormove(&ctx, 0, 0);
screen_write_deleteline(&ctx, ny);
window_copy_write_lines(wp, &ctx, screen_size_y(s) - ny, ny);
window_copy_write_line(wp, &ctx, 0);
if (screen_size_y(s) > 1)
window_copy_write_line(wp, &ctx, 1);
if (screen_size_y(s) > 3)
window_copy_write_line(wp, &ctx, screen_size_y(s) - 2);
if (s->sel.flag && screen_size_y(s) > ny) {
window_copy_update_selection(wp);
window_copy_write_line(wp, &ctx, screen_size_y(s) - ny - 1);
}
screen_write_cursormove(&ctx, data->cx, data->cy);
window_copy_update_selection(wp);
screen_write_stop(&ctx);
}
void
window_copy_cursor_jump(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *back_s = data->backing;
const struct grid_cell *gc;
uint px, py, xx;
px = data->cx + 1;
py = screen_hsize(back_s) + data->cy - data->oy;
xx = window_copy_find_length(wp, py);
while (px < xx) {
gc = grid_peek_cell(back_s->grid, px, py);
if ((gc->flags & (GRID_FLAG_PADDING|GRID_FLAG_UTF8)) == 0
&& gc->data == data->jumpchar) {
window_copy_update_cursor(wp, px, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
return;
}
px++;
}
}
void
window_copy_cursor_jump_back(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *back_s = data->backing;
const struct grid_cell *gc;
uint px, py;
px = data->cx;
py = screen_hsize(back_s) + data->cy - data->oy;
if (px > 0)
px--;
for (;;) {
gc = grid_peek_cell(back_s->grid, px, py);
if ((gc->flags & (GRID_FLAG_PADDING|GRID_FLAG_UTF8)) == 0
&& gc->data == data->jumpchar) {
window_copy_update_cursor(wp, px, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
return;
}
if (px == 0)
break;
px--;
}
}
void
window_copy_cursor_down(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 == screen_size_y(s) - 1) {
window_copy_scroll_up(wp, 1);
if (scroll_only && data->cy > 0)
window_copy_redraw_lines(wp, data->cy - 1, 2);
} else {
window_copy_update_cursor(wp, data->cx, data->cy + 1);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy - 1, 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_scroll_to(struct window_pane *wp, u_int px, u_int py)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &wp->base;
struct grid *gd = s->grid;
u_int offset, gap;
data->cx = px;
gap = gd->sy / 4;
if (py < gd->sy) {
offset = 0;
data->cy = py;
} else if (py > gd->hsize + gd->sy - gap) {
offset = gd->hsize;
data->cy = py - gd->hsize;
} else {
offset = py + gap - gd->sy;
data->cy = py - offset;
}
data->oy = gd->hsize - offset;
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
}
void
window_copy_cursor_end_of_line(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *base_s = &wp->base;
struct grid *gd = base_s->grid;
u_int px, py;
py = screen_hsize(base_s) + data->cy - data->oy;
px = window_copy_find_length(wp, py);
if (data->cx == px) {
if (data->screen.sel.flag && data->rectflag)
px = screen_size_x(&wp->base);
if (gd->linedata[py].flags & GRID_LINE_WRAPPED) {
while (py < gd->sy + gd->hsize &&
gd->linedata[py].flags & GRID_LINE_WRAPPED) {
window_copy_cursor_down(wp, 0);
py = screen_hsize(base_s) + data->cy - data->oy;
}
px = window_copy_find_length(wp, py);
}
}
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_start_of_line(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
window_copy_update_cursor(wp, 0, 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, unused struct session *sess, struct mouse_event *m)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
u_int i;
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) {
for (i = 0; i < 5; i++)
window_copy_cursor_down(wp, 0);
}
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_ANY) {
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);
} else {
s->mode &= ~MODE_MOUSE_ANY;
s->mode |= MODE_MOUSE_STANDARD;
if (sess != NULL) {
window_copy_copy_selection(wp);
window_pane_reset_mode(wp);
}
}
return;
}
/* 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_ANY;
window_copy_update_cursor(wp, m->x, m->y);
window_copy_start_selection(wp);
window_copy_redraw_screen(wp);
}
}
void
window_copy_start_selection(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
data->selx = data->cx;
data->sely = screen_hsize(&wp->base) + data->cy - data->oy;
s->sel.flag = 1;
window_copy_update_selection(wp);
}
void
window_copy_cursor_left(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
if (data->cx == 0) {
window_copy_cursor_up(wp, 0);
window_copy_cursor_end_of_line(wp);
} 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);
}
}
void
window_copy_goto_line(struct window_pane *wp, const char *linestr)
{
struct window_copy_mode_data *data = wp->modedata;
const char *errstr;
u_int lineno;
lineno = strtonum(linestr, 0, screen_hsize(&wp->base), &errstr);
if (errstr != NULL)
return;
data->oy = lineno;
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
}
void
window_copy_rectangle_toggle(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
u_int px, py;
data->rectflag = !data->rectflag;
py = screen_hsize(&wp->base) + data->cy - data->oy;
px = window_copy_find_length(wp, py);
if (data->cx > px)
window_copy_update_cursor(wp, px, data->cy);
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
}
void
window_copy_pageup(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
u_int n;
n = 1;
if (screen_size_y(s) > 2)
n = screen_size_y(s) - 2;
if (data->oy + n > screen_hsize(&wp->base))
data->oy = screen_hsize(&wp->base);
else
data->oy += n;
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
}
/* ARGSUSED */
void
window_copy_mouse(
struct window_pane *wp, unused struct client *c, struct mouse_event *m)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
if ((m->b & 3) == 3)
return;
if (m->x >= screen_size_x(s))
return;
if (m->y >= screen_size_y(s))
return;
window_copy_update_cursor(wp, m->x, m->y);
if (window_copy_update_selection(wp))
window_copy_redraw_screen(wp);
}
void
window_copy_cursor_start_of_line(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *back_s = data->backing;
struct grid *gd = back_s->grid;
u_int py;
if (data->cx == 0) {
py = screen_hsize(back_s) + data->cy - data->oy;
while (py > 0 && gd->linedata[py-1].flags & GRID_LINE_WRAPPED) {
window_copy_cursor_up(wp, 0);
py = screen_hsize(back_s) + data->cy - data->oy;
}
}
window_copy_update_cursor(wp, 0, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
}
void
window_copy_cursor_next_word_end(struct window_pane *wp, const char *separators)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *base_s = &wp->base;
u_int px, py, xx, yy;
int expected = 1;
px = data->cx;
py = screen_hsize(base_s) + data->cy - data->oy;
xx = window_copy_find_length(wp, py);
yy = screen_hsize(base_s) + screen_size_y(base_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(base_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);
}
void
window_copy_key(struct window_pane *wp, struct client *c, int key)
{
const char *word_separators;
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
u_int n, np;
int keys;
enum mode_key_cmd cmd;
np = data->numprefix;
if (np == 0)
np = 1;
if (data->inputtype == WINDOW_COPY_NUMERICPREFIX) {
if (window_copy_key_numeric_prefix(wp, key) == 0)
return;
data->inputtype = WINDOW_COPY_OFF;
window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
} else if (data->inputtype != WINDOW_COPY_OFF) {
if (window_copy_key_input(wp, key) != 0)
goto input_off;
return;
}
cmd = mode_key_lookup(&data->mdata, key);
switch (cmd) {
case MODEKEYCOPY_CANCEL:
for (; np != 0; np--)
window_pane_reset_mode(wp);
break;
case MODEKEYCOPY_LEFT:
for (; np != 0; np--)
window_copy_cursor_left(wp);
break;
case MODEKEYCOPY_RIGHT:
for (; np != 0; np--)
window_copy_cursor_right(wp);
break;
case MODEKEYCOPY_UP:
for (; np != 0; np--)
window_copy_cursor_up(wp, 0);
break;
case MODEKEYCOPY_DOWN:
for (; np != 0; np--)
window_copy_cursor_down(wp, 0);
break;
case MODEKEYCOPY_SCROLLUP:
for (; np != 0; np--)
window_copy_cursor_up(wp, 1);
break;
case MODEKEYCOPY_SCROLLDOWN:
for (; np != 0; np--)
window_copy_cursor_down(wp, 1);
break;
case MODEKEYCOPY_PREVIOUSPAGE:
for (; np != 0; np--)
window_copy_pageup(wp);
break;
case MODEKEYCOPY_NEXTPAGE:
n = 1;
if (screen_size_y(s) > 2)
n = screen_size_y(s) - 2;
for (; np != 0; np--) {
if (data->oy < n)
data->oy = 0;
else
data->oy -= n;
}
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
break;
case MODEKEYCOPY_HALFPAGEUP:
n = screen_size_y(s) / 2;
for (; np != 0; np--) {
if (data->oy + n > screen_hsize(&wp->base))
data->oy = screen_hsize(&wp->base);
else
data->oy += n;
}
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
break;
case MODEKEYCOPY_HALFPAGEDOWN:
n = screen_size_y(s) / 2;
for (; np != 0; np--) {
if (data->oy < n)
data->oy = 0;
else
data->oy -= n;
}
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
break;
case MODEKEYCOPY_TOPLINE:
data->cx = 0;
data->cy = 0;
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
break;
case MODEKEYCOPY_MIDDLELINE:
data->cx = 0;
data->cy = (screen_size_y(s) - 1) / 2;
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
break;
case MODEKEYCOPY_BOTTOMLINE:
data->cx = 0;
data->cy = screen_size_y(s) - 1;
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
break;
case MODEKEYCOPY_HISTORYTOP:
data->cx = 0;
data->cy = 0;
data->oy = screen_hsize(&wp->base);
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
break;
case MODEKEYCOPY_HISTORYBOTTOM:
data->cx = 0;
data->cy = screen_size_y(s) - 1;
data->oy = 0;
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
break;
case MODEKEYCOPY_STARTSELECTION:
window_copy_start_selection(wp);
window_copy_redraw_screen(wp);
break;
case MODEKEYCOPY_CLEARSELECTION:
window_copy_clear_selection(wp);
window_copy_redraw_screen(wp);
break;
case MODEKEYCOPY_COPYSELECTION:
if (c != NULL && c->session != NULL) {
window_copy_copy_selection(wp, c);
window_pane_reset_mode(wp);
}
break;
case MODEKEYCOPY_STARTOFLINE:
window_copy_cursor_start_of_line(wp);
break;
case MODEKEYCOPY_BACKTOINDENTATION:
window_copy_cursor_back_to_indentation(wp);
break;
case MODEKEYCOPY_ENDOFLINE:
window_copy_cursor_end_of_line(wp);
break;
case MODEKEYCOPY_NEXTSPACE:
for (; np != 0; np--)
window_copy_cursor_next_word(wp, " ");
break;
case MODEKEYCOPY_NEXTSPACEEND:
for (; np != 0; np--)
window_copy_cursor_next_word_end(wp, " ");
break;
case MODEKEYCOPY_NEXTWORD:
word_separators =
options_get_string(&wp->window->options, "word-separators");
for (; np != 0; np--)
window_copy_cursor_next_word(wp, word_separators);
break;
case MODEKEYCOPY_NEXTWORDEND:
word_separators =
options_get_string(&wp->window->options, "word-separators");
for (; np != 0; np--)
window_copy_cursor_next_word_end(wp, word_separators);
break;
case MODEKEYCOPY_PREVIOUSSPACE:
for (; np != 0; np--)
window_copy_cursor_previous_word(wp, " ");
break;
case MODEKEYCOPY_PREVIOUSWORD:
word_separators =
options_get_string(&wp->window->options, "word-separators");
for (; np != 0; np--)
window_copy_cursor_previous_word(wp, word_separators);
break;
case MODEKEYCOPY_SEARCHUP:
data->inputtype = WINDOW_COPY_SEARCHUP;
data->inputprompt = "Search Up";
goto input_on;
case MODEKEYCOPY_SEARCHDOWN:
data->inputtype = WINDOW_COPY_SEARCHDOWN;
data->inputprompt = "Search Down";
goto input_on;
case MODEKEYCOPY_SEARCHAGAIN:
case MODEKEYCOPY_SEARCHREVERSE:
switch (data->searchtype) {
case WINDOW_COPY_OFF:
case WINDOW_COPY_GOTOLINE:
case WINDOW_COPY_NUMERICPREFIX:
break;
case WINDOW_COPY_SEARCHUP:
if (cmd == MODEKEYCOPY_SEARCHAGAIN) {
for (; np != 0; np--) {
window_copy_search_up(
wp, data->searchstr);
}
} else {
for (; np != 0; np--) {
window_copy_search_down(
wp, data->searchstr);
}
}
break;
case WINDOW_COPY_SEARCHDOWN:
if (cmd == MODEKEYCOPY_SEARCHAGAIN) {
for (; np != 0; np--) {
window_copy_search_down(
wp, data->searchstr);
}
} else {
for (; np != 0; np--) {
window_copy_search_up(
wp, data->searchstr);
}
}
break;
}
break;
case MODEKEYCOPY_GOTOLINE:
data->inputtype = WINDOW_COPY_GOTOLINE;
data->inputprompt = "Goto Line";
*data->inputstr = '\0';
goto input_on;
case MODEKEYCOPY_STARTNUMBERPREFIX:
key &= 0xff;
if (key >= '0' && key <= '9') {
data->inputtype = WINDOW_COPY_NUMERICPREFIX;
data->numprefix = 0;
window_copy_key_numeric_prefix(wp, key);
return;
}
break;
case MODEKEYCOPY_RECTANGLETOGGLE:
window_copy_rectangle_toggle(wp);
break;
default:
break;
}
data->numprefix = 0;
return;
input_on:
keys = options_get_number(&wp->window->options, "mode-keys");
if (keys == MODEKEY_EMACS)
mode_key_init(&data->mdata, &mode_key_tree_emacs_edit);
else
mode_key_init(&data->mdata, &mode_key_tree_vi_edit);
window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
return;
input_off:
keys = options_get_number(&wp->window->options, "mode-keys");
if (keys == MODEKEY_EMACS)
mode_key_init(&data->mdata, &mode_key_tree_emacs_copy);
else
mode_key_init(&data->mdata, &mode_key_tree_vi_copy);
data->inputtype = WINDOW_COPY_OFF;
data->inputprompt = NULL;
window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
}