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
input_parse(struct window_pane *wp)
{
struct input_ctx *ictx = &wp->ictx;
u_char ch;
if (BUFFER_USED(wp->in) == 0)
return;
ictx->buf = BUFFER_OUT(wp->in);
ictx->len = BUFFER_USED(wp->in);
ictx->off = 0;
ictx->wp = wp;
log_debug2("entry; buffer=%zu", ictx->len);
if (wp->mode == NULL)
screen_write_start(&ictx->ctx, wp, &wp->base);
else
screen_write_start(&ictx->ctx, NULL, &wp->base);
if (ictx->off != ictx->len)
wp->window->flags |= WINDOW_ACTIVITY;
while (ictx->off < ictx->len) {
ch = ictx->buf[ictx->off++];
ictx->state(ch, ictx);
}
screen_write_stop(&ictx->ctx);
buffer_remove(wp->in, ictx->len);
}
void
window_copy_scroll_down(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 (ny > screen_hsize(&wp->base))
return;
if (data->oy > screen_hsize(&wp->base) - ny)
ny = screen_hsize(&wp->base) - data->oy;
if (ny == 0)
return;
data->oy += ny;
screen_write_start(&ctx, wp, NULL);
screen_write_cursormove(&ctx, 0, 0);
screen_write_insertline(&ctx, ny);
window_copy_write_lines(wp, &ctx, 0, ny);
if (s->sel.flag && screen_size_y(s) > ny) {
window_copy_update_selection(wp);
window_copy_write_line(wp, &ctx, ny);
} else if (ny == 1) /* nuke position */
window_copy_write_line(wp, &ctx, 1);
screen_write_cursormove(&ctx, data->cx, data->cy);
window_copy_update_selection(wp);
screen_write_stop(&ctx);
}
void
window_copy_resize(struct window_pane *wp, u_int sx, u_int sy)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
screen_resize(s, sx, sy);
if (data->backing != &wp->base)
screen_resize(data->backing, sx, sy);
if (data->cy > sy - 1)
data->cy = sy - 1;
if (data->cx > sx)
data->cx = sx;
if (data->oy > screen_hsize(data->backing))
data->oy = screen_hsize(data->backing);
window_copy_clear_selection(wp);
screen_write_start(&ctx, NULL, s);
window_copy_write_lines(wp, &ctx, 0, screen_size_y(s) - 1);
screen_write_stop(&ctx);
window_copy_redraw_screen(wp);
}
void
window_copy_vadd(struct window_pane *wp, const char *fmt, va_list ap)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *backing = data->backing;
struct screen_write_ctx back_ctx, ctx;
struct grid_cell gc;
int utf8flag;
u_int old_hsize;
if (backing == &wp->base)
return;
utf8flag = options_get_number(&wp->window->options, "utf8");
memcpy(&gc, &grid_default_cell, sizeof gc);
old_hsize = screen_hsize(data->backing);
screen_write_start(&back_ctx, NULL, backing);
if (data->backing_written) {
/*
* On the second or later line, do a CRLF before writing
* (so it's on a new line).
*/
screen_write_carriagereturn(&back_ctx);
screen_write_linefeed(&back_ctx, 0);
} else
data->backing_written = 1;
screen_write_vnputs(&back_ctx, 0, &gc, utf8flag, fmt, ap);
screen_write_stop(&back_ctx);
data->oy += screen_hsize(data->backing) - old_hsize;
screen_write_start(&ctx, wp, &data->screen);
/*
* If the history has changed, draw the top line.
* (If there's any history at all, it has changed.)
*/
if (screen_hsize(data->backing))
window_copy_redraw_lines(wp, 0, 1);
/* Write the line, if it's visible. */
if (backing->cy + data->oy < screen_size_y(backing))
window_copy_redraw_lines(wp, backing->cy, 1);
screen_write_stop(&ctx);
}
void
window_copy_search_down(struct window_pane *wp, const char *searchstr)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &wp->base, ss;
struct screen_write_ctx ctx;
struct grid *gd = s->grid, *sgd;
struct grid_cell gc;
size_t searchlen;
u_int i, first, fx, fy, px;
int utf8flag, n, wrapped;
if (*searchstr == '\0')
return;
utf8flag = options_get_number(&wp->window->options, "utf8");
searchlen = screen_write_strlen(utf8flag, "%s", searchstr);
screen_init(&ss, searchlen, 1, 0);
screen_write_start(&ctx, NULL, &ss);
memcpy(&gc, &grid_default_cell, sizeof gc);
screen_write_nputs(&ctx, -1, &gc, utf8flag, "%s", searchstr);
screen_write_stop(&ctx);
fx = data->cx;
fy = gd->hsize - data->oy + data->cy;
if (fx == gd->sx - 1) {
if (fy == gd->hsize + gd->sy)
return;
fx = 0;
fy++;
} else
fx++;
n = wrapped = 0;
retry:
sgd = ss.grid;
for (i = fy + 1; i < gd->hsize + gd->sy; i++) {
first = 0;
if (i == fy + 1)
first = fx;
n = window_copy_search_lr(gd, sgd, &px, i - 1, first, gd->sx);
if (n) {
window_copy_scroll_to(wp, px, i - 1);
break;
}
}
if (!n && !wrapped) {
fx = 0;
fy = 0;
wrapped = 1;
goto retry;
}
screen_free(&ss);
}
enum cmd_retval
cmd_send_keys_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct window_pane *wp;
struct session *s;
struct input_ctx *ictx;
const u_char *str;
int i, key;
if (cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp) == NULL)
return (CMD_RETURN_ERROR);
if (self->entry == &cmd_send_prefix_entry) {
if (args_has(args, '2'))
key = options_get_number(&s->options, "prefix2");
else
key = options_get_number(&s->options, "prefix");
window_pane_key(wp, s, key);
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 'R')) {
ictx = &wp->ictx;
memcpy(&ictx->cell, &grid_default_cell, sizeof ictx->cell);
memcpy(&ictx->old_cell, &ictx->cell, sizeof ictx->old_cell);
ictx->old_cx = 0;
ictx->old_cy = 0;
if (wp->mode == NULL)
screen_write_start(&ictx->ctx, wp, &wp->base);
else
screen_write_start(&ictx->ctx, NULL, &wp->base);
screen_write_reset(&ictx->ctx);
screen_write_stop(&ictx->ctx);
}
for (i = 0; i < args->argc; i++) {
str = args->argv[i];
if (!args_has(args, 'l') &&
(key = key_string_lookup_string(str)) != KEYC_NONE) {
window_pane_key(wp, s, key);
} else {
for (; *str != '\0'; str++)
window_pane_key(wp, s, *str);
}
}
return (CMD_RETURN_NORMAL);
}
struct screen *
window_copy_init(struct window_pane *wp)
{
struct window_copy_mode_data *data;
struct screen *s;
struct screen_write_ctx ctx;
u_int i;
int keys;
wp->modedata = data = xmalloc(sizeof *data);
data->oy = 0;
data->cx = wp->base.cx;
data->cy = wp->base.cy;
data->lastcx = 0;
data->lastsx = 0;
data->rectflag = 0;
data->inputtype = WINDOW_COPY_OFF;
data->inputprompt = NULL;
data->inputstr = xstrdup("");
data->numprefix = 0;
data->searchtype = WINDOW_COPY_OFF;
data->searchstr = NULL;
wp->flags |= PANE_FREEZE;
bufferevent_disable(wp->event, EV_READ|EV_WRITE);
s = &data->screen;
screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
if (options_get_number(&wp->window->options, "mode-mouse"))
s->mode |= MODE_MOUSE;
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);
s->cx = data->cx;
s->cy = data->cy;
screen_write_start(&ctx, NULL, s);
for (i = 0; i < screen_size_y(s); i++)
window_copy_write_line(wp, &ctx, i);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
return (s);
}
void
window_copy_redraw_lines(struct window_pane *wp, u_int py, u_int ny)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen_write_ctx ctx;
u_int i;
screen_write_start(&ctx, wp, NULL);
for (i = py; i < py + ny; i++)
window_copy_write_line(wp, &ctx, i);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
}
void
window_more_redraw_screen(struct window_pane *wp)
{
struct window_more_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
u_int i;
screen_write_start(&ctx, wp, NULL);
for (i = 0; i < screen_size_y(s); i++)
window_more_write_line(wp, &ctx, i);
screen_write_stop(&ctx);
}
void
window_clock_draw_screen(struct window_pane *wp)
{
struct window_clock_mode_data *data = wp->modedata;
struct screen_write_ctx ctx;
int colour, style;
colour = options_get_number(&wp->window->options, "clock-mode-colour");
style = options_get_number(&wp->window->options, "clock-mode-style");
screen_write_start(&ctx, NULL, &data->screen);
clock_draw(&ctx, colour, style);
screen_write_stop(&ctx);
}
/* Reset input state and clear screen. */
void
input_reset(struct window_pane *wp)
{
struct input_ctx *ictx = wp->ictx;
input_reset_cell(ictx);
if (wp->mode == NULL)
screen_write_start(&ictx->ctx, wp, &wp->base);
else
screen_write_start(&ictx->ctx, NULL, &wp->base);
screen_write_reset(&ictx->ctx);
screen_write_stop(&ictx->ctx);
}
void
window_more_scroll_up(struct window_pane *wp)
{
struct window_more_mode_data *data = wp->modedata;
struct screen_write_ctx ctx;
if (data->top == 0)
return;
data->top--;
screen_write_start(&ctx, wp, NULL);
screen_write_cursormove(&ctx, 0, 0);
screen_write_insertline(&ctx, 1);
window_more_write_line(wp, &ctx, 0);
window_more_write_line(wp, &ctx, 1);
screen_write_stop(&ctx);
}
void
window_more_scroll_down(struct window_pane *wp)
{
struct window_more_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
if (data->top >= ARRAY_LENGTH(&data->list))
return;
data->top++;
screen_write_start(&ctx, wp, NULL);
screen_write_cursormove(&ctx, 0, 0);
screen_write_deleteline(&ctx, 1);
window_more_write_line(wp, &ctx, screen_size_y(s) - 1);
window_more_write_line(wp, &ctx, 0);
screen_write_stop(&ctx);
}
void
window_copy_update_cursor(struct window_pane *wp, u_int cx, u_int cy)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
u_int old_cx, old_cy;
old_cx = data->cx; old_cy = data->cy;
data->cx = cx; data->cy = cy;
if (old_cx == screen_size_x(s))
window_copy_redraw_lines(wp, old_cy, 1);
if (data->cx == screen_size_x(s))
window_copy_redraw_lines(wp, data->cy, 1);
else {
screen_write_start(&ctx, wp, NULL);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
}
}
void
window_more_vadd(struct window_pane *wp, const char *fmt, va_list ap)
{
struct window_more_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
char *msg;
u_int size;
xvasprintf(&msg, fmt, ap);
ARRAY_ADD(&data->list, msg);
screen_write_start(&ctx, wp, NULL);
size = ARRAY_LENGTH(&data->list) - 1;
if (size >= data->top && size <= data->top + screen_size_y(s) - 1) {
window_more_write_line(wp, &ctx, size - data->top);
if (size != data->top)
window_more_write_line(wp, &ctx, 0);
} else
window_more_write_line(wp, &ctx, 0);
screen_write_stop(&ctx);
}
void
window_copy_init_from_pane(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
u_int i;
if (wp->mode != &window_copy_mode)
fatalx("not in copy mode");
data->backing = &wp->base;
data->cx = data->backing->cx;
data->cy = data->backing->cy;
s->cx = data->cx;
s->cy = data->cy;
screen_write_start(&ctx, NULL, s);
for (i = 0; i < screen_size_y(s); i++)
window_copy_write_line(wp, &ctx, i);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
}
/* Parse input. */
void
input_parse(struct window_pane *wp)
{
struct input_ctx *ictx = &wp->ictx;
const struct input_transition *itr;
struct evbuffer *evb = wp->event->input;
u_char *buf;
size_t len, off;
if (EVBUFFER_LENGTH(evb) == 0)
return;
wp->window->flags |= WINDOW_ACTIVITY;
wp->window->flags &= ~WINDOW_SILENCE;
/*
* Open the screen. Use NULL wp if there is a mode set as don't want to
* update the tty.
*/
if (wp->mode == NULL)
screen_write_start(&ictx->ctx, wp, &wp->base);
else
screen_write_start(&ictx->ctx, NULL, &wp->base);
ictx->wp = wp;
buf = EVBUFFER_DATA(evb);
len = EVBUFFER_LENGTH(evb);
notify_input(wp, evb);
off = 0;
/* Parse the input. */
while (off < len) {
ictx->ch = buf[off++];
log_debug("%s: '%c' %s", __func__, ictx->ch, ictx->state->name);
/* Find the transition. */
itr = ictx->state->transitions;
while (itr->first != -1 && itr->last != -1) {
if (ictx->ch >= itr->first && ictx->ch <= itr->last)
break;
itr++;
}
if (itr->first == -1 || itr->last == -1) {
/* No transition? Eh? */
fatalx("No transition from state!");
}
/*
* Execute the handler, if any. Don't switch state if it
* returns non-zero.
*/
if (itr->handler != NULL && itr->handler(ictx) != 0)
continue;
/* And switch state, if necessary. */
if (itr->state != NULL)
input_set_state(wp, itr);
/* If not in ground state, save input. */
if (ictx->state != &input_state_ground)
evbuffer_add(ictx->since_ground, &ictx->ch, 1);
}
/* Close the screen. */
screen_write_stop(&ictx->ctx);
evbuffer_drain(evb, len);
}
void
window_clock_draw_screen(struct window_pane *wp)
{
struct window_clock_mode_data *data = wp->modedata;
struct screen_write_ctx ctx;
int colour, style;
struct screen *s = &data->screen;
struct grid_cell gc;
char tim[64], *ptr;
time_t t;
struct tm *tm;
u_int i, j, x, y, idx;
colour = options_get_number(&wp->window->options, "clock-mode-colour");
style = options_get_number(&wp->window->options, "clock-mode-style");
screen_write_start(&ctx, NULL, s);
t = time(NULL);
tm = localtime(&t);
if (style == 0) {
strftime(tim, sizeof tim, "%l:%M ", localtime(&t));
if (tm->tm_hour >= 12)
strlcat(tim, "PM", sizeof tim);
else
strlcat(tim, "AM", sizeof tim);
} else
strftime(tim, sizeof tim, "%H:%M", tm);
screen_write_clearscreen(&ctx);
if (screen_size_x(s) < 6 * strlen(tim) || screen_size_y(s) < 6) {
if (screen_size_x(s) >= strlen(tim) && screen_size_y(s) != 0) {
x = (screen_size_x(s) / 2) - (strlen(tim) / 2);
y = screen_size_y(s) / 2;
screen_write_cursormove(&ctx, x, y);
memcpy(&gc, &grid_default_cell, sizeof gc);
colour_set_fg(&gc, colour);
screen_write_puts(&ctx, &gc, "%s", tim);
}
screen_write_stop(&ctx);
return;
}
x = (screen_size_x(s) / 2) - 3 * strlen(tim);
y = (screen_size_y(s) / 2) - 3;
memcpy(&gc, &grid_default_cell, sizeof gc);
colour_set_bg(&gc, colour);
for (ptr = tim; *ptr != '\0'; ptr++) {
if (*ptr >= '0' && *ptr <= '9')
idx = *ptr - '0';
else if (*ptr == ':')
idx = 10;
else if (*ptr == 'A')
idx = 11;
else if (*ptr == 'P')
idx = 12;
else if (*ptr == 'M')
idx = 13;
else {
x += 6;
continue;
}
for (j = 0; j < 5; j++) {
for (i = 0; i < 5; i++) {
screen_write_cursormove(&ctx, x + i, y + j);
if (window_clock_table[idx][j][i])
screen_write_putc(&ctx, &gc, ' ');
}
}
x += 6;
}
screen_write_stop(&ctx);
}