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);
}
}
int
window_copy_update_selection(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct options *oo = &wp->window->options;
struct grid_cell gc;
u_int sx, sy, ty, cy;
if (!s->sel.flag)
return (0);
/* Set colours. */
memcpy(&gc, &grid_default_cell, sizeof gc);
colour_set_fg(&gc, options_get_number(oo, "mode-fg"));
colour_set_bg(&gc, options_get_number(oo, "mode-bg"));
gc.attr |= options_get_number(oo, "mode-attr");
/* Find top of screen. */
ty = screen_hsize(&wp->base) - data->oy;
/* Adjust the selection. */
sx = data->selx;
sy = data->sely;
if (sy < ty) { /* above screen */
if (!data->rectflag)
sx = 0;
sy = 0;
} else if (sy > ty + screen_size_y(s) - 1) { /* below screen */
if (!data->rectflag)
sx = screen_size_x(s) - 1;
sy = screen_size_y(s) - 1;
} else
sy -= ty;
sy = screen_hsize(s) + sy;
screen_set_selection(s,
sx, sy, data->cx, screen_hsize(s) + data->cy, data->rectflag, &gc);
if (data->rectflag) {
/*
* Can't rely on the caller to redraw the right lines for
* rectangle selection - find the highest line and the number
* of lines, and redraw just past that in both directions
*/
cy = data->cy;
if (sy < cy)
window_copy_redraw_lines(wp, sy, cy - sy + 1);
else
window_copy_redraw_lines(wp, cy, sy - cy + 1);
}
return (1);
}
void
window_copy_redraw_screen(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
window_copy_redraw_lines(wp, 0, screen_size_y(&data->screen));
}
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_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_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_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_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);
}
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_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);
}
}
int
window_copy_key_numeric_prefix(struct window_pane *wp, int key)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
key &= 0xff;
if (key < '0' || key > '9')
return 1;
if (data->numprefix >= 100) /* no more than three digits */
return 0;
data->numprefix = data->numprefix * 10 + key - '0';
window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
return 0;
}
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);
}
int
window_copy_key_input(struct window_pane *wp, int key)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
size_t inputlen;
u_int np;
switch (mode_key_lookup(&data->mdata, key)) {
case MODEKEYEDIT_CANCEL:
data->numprefix = 0;
return (-1);
case MODEKEYEDIT_BACKSPACE:
inputlen = strlen(data->inputstr);
if (inputlen > 0)
data->inputstr[inputlen - 1] = '\0';
break;
case MODEKEYEDIT_DELETELINE:
*data->inputstr = '\0';
break;
case MODEKEYEDIT_ENTER:
np = data->numprefix;
if (np == 0)
np = 1;
switch (data->inputtype) {
case WINDOW_COPY_OFF:
case WINDOW_COPY_NUMERICPREFIX:
break;
case WINDOW_COPY_SEARCHUP:
for (; np != 0; np--)
window_copy_search_up(wp, data->inputstr);
data->searchtype = data->inputtype;
data->searchstr = xstrdup(data->inputstr);
break;
case WINDOW_COPY_SEARCHDOWN:
for (; np != 0; np--)
window_copy_search_down(wp, data->inputstr);
data->searchtype = data->inputtype;
data->searchstr = xstrdup(data->inputstr);
break;
case WINDOW_COPY_GOTOLINE:
window_copy_goto_line(wp, data->inputstr);
*data->inputstr = '\0';
break;
}
data->numprefix = 0;
return (1);
case MODEKEY_OTHER:
if (key < 32 || key > 126)
break;
inputlen = strlen(data->inputstr) + 2;
data->inputstr = xrealloc(data->inputstr, 1, inputlen);
data->inputstr[inputlen - 2] = key;
data->inputstr[inputlen - 1] = '\0';
break;
default:
break;
}
window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
return (0);
}
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);
}