mirror of
https://github.com/tmate-io/tmate.git
synced 2024-11-27 18:43:11 +01:00
b26ea8462e
Clean up by introducing a wrapper struct for mouse clicks rather than passing three u_chars around. As a side-effect this fixes incorrectly rejecting high cursor positions (because it was comparing them as signed char), reported by Tom Doherty.
1270 lines
31 KiB
C
1270 lines
31 KiB
C
/* $Id: window-copy.c,v 1.88 2009-10-12 00:18:19 tcunha Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
|
|
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
struct screen *window_copy_init(struct window_pane *);
|
|
void window_copy_free(struct window_pane *);
|
|
void window_copy_resize(struct window_pane *, u_int, u_int);
|
|
void window_copy_key(struct window_pane *, struct client *, int);
|
|
int window_copy_key_input(struct window_pane *, int);
|
|
void window_copy_mouse(
|
|
struct window_pane *, struct client *, struct mouse_event *);
|
|
|
|
void window_copy_redraw_lines(struct window_pane *, u_int, u_int);
|
|
void window_copy_redraw_screen(struct window_pane *);
|
|
void window_copy_write_line(
|
|
struct window_pane *, struct screen_write_ctx *, u_int);
|
|
void window_copy_write_lines(
|
|
struct window_pane *, struct screen_write_ctx *, u_int, u_int);
|
|
|
|
void window_copy_scroll_to(struct window_pane *, u_int, u_int);
|
|
int window_copy_search_compare(
|
|
struct grid *, u_int, u_int, struct grid *, u_int);
|
|
int window_copy_search_lr(
|
|
struct grid *, struct grid *, u_int *, u_int, u_int, u_int);
|
|
int window_copy_search_rl(
|
|
struct grid *, struct grid *, u_int *, u_int, u_int, u_int);
|
|
void window_copy_search_up(struct window_pane *, const char *);
|
|
void window_copy_search_down(struct window_pane *, const char *);
|
|
void window_copy_goto_line(struct window_pane *, const char *);
|
|
void window_copy_update_cursor(struct window_pane *, u_int, u_int);
|
|
void window_copy_start_selection(struct window_pane *);
|
|
int window_copy_update_selection(struct window_pane *);
|
|
void window_copy_copy_selection(struct window_pane *, struct client *);
|
|
void window_copy_copy_line(
|
|
struct window_pane *, char **, size_t *, u_int, u_int, u_int);
|
|
int window_copy_is_space(struct window_pane *, u_int, u_int);
|
|
u_int window_copy_find_length(struct window_pane *, u_int);
|
|
void window_copy_cursor_start_of_line(struct window_pane *);
|
|
void window_copy_cursor_back_to_indentation(struct window_pane *);
|
|
void window_copy_cursor_end_of_line(struct window_pane *);
|
|
void window_copy_cursor_left(struct window_pane *);
|
|
void window_copy_cursor_right(struct window_pane *);
|
|
void window_copy_cursor_up(struct window_pane *, int);
|
|
void window_copy_cursor_down(struct window_pane *, int);
|
|
void window_copy_cursor_next_word(struct window_pane *);
|
|
void window_copy_cursor_previous_word(struct window_pane *);
|
|
void window_copy_scroll_up(struct window_pane *, u_int);
|
|
void window_copy_scroll_down(struct window_pane *, u_int);
|
|
|
|
const struct window_mode window_copy_mode = {
|
|
window_copy_init,
|
|
window_copy_free,
|
|
window_copy_resize,
|
|
window_copy_key,
|
|
window_copy_mouse,
|
|
NULL,
|
|
};
|
|
|
|
enum window_copy_input_type {
|
|
WINDOW_COPY_OFF,
|
|
WINDOW_COPY_SEARCHUP,
|
|
WINDOW_COPY_SEARCHDOWN,
|
|
WINDOW_COPY_GOTOLINE,
|
|
};
|
|
|
|
struct window_copy_mode_data {
|
|
struct screen screen;
|
|
|
|
struct mode_key_data mdata;
|
|
|
|
u_int oy;
|
|
|
|
u_int selx;
|
|
u_int sely;
|
|
|
|
u_int cx;
|
|
u_int cy;
|
|
|
|
u_int lastcx; /* position in last line with content */
|
|
u_int lastsx; /* size of last line with content */
|
|
|
|
enum window_copy_input_type inputtype;
|
|
const char *inputprompt;
|
|
char *inputstr;
|
|
|
|
enum window_copy_input_type searchtype;
|
|
char *searchstr;
|
|
};
|
|
|
|
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->inputtype = WINDOW_COPY_OFF;
|
|
data->inputprompt = NULL;
|
|
data->inputstr = xstrdup("");
|
|
|
|
data->searchtype = WINDOW_COPY_OFF;
|
|
data->searchstr = NULL;
|
|
|
|
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_free(struct window_pane *wp)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
|
|
if (data->searchstr != NULL)
|
|
xfree(data->searchstr);
|
|
xfree(data->inputstr);
|
|
|
|
screen_free(&data->screen);
|
|
|
|
xfree(data);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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->cy > sy - 1)
|
|
data->cy = sy - 1;
|
|
if (data->cx > sx)
|
|
data->cx = sx;
|
|
|
|
screen_clear_selection(&data->screen);
|
|
|
|
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_key(struct window_pane *wp, struct client *c, int key)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
struct screen *s = &data->screen;
|
|
u_int n;
|
|
int keys;
|
|
|
|
if (data->inputtype != WINDOW_COPY_OFF) {
|
|
if (window_copy_key_input(wp, key) != 0)
|
|
goto input_off;
|
|
return;
|
|
}
|
|
|
|
switch (mode_key_lookup(&data->mdata, key)) {
|
|
case MODEKEYCOPY_CANCEL:
|
|
window_pane_reset_mode(wp);
|
|
break;
|
|
case MODEKEYCOPY_LEFT:
|
|
window_copy_cursor_left(wp);
|
|
return;
|
|
case MODEKEYCOPY_RIGHT:
|
|
window_copy_cursor_right(wp);
|
|
return;
|
|
case MODEKEYCOPY_UP:
|
|
window_copy_cursor_up(wp, 0);
|
|
return;
|
|
case MODEKEYCOPY_DOWN:
|
|
window_copy_cursor_down(wp, 0);
|
|
return;
|
|
case MODEKEYCOPY_SCROLLUP:
|
|
window_copy_cursor_up(wp, 1);
|
|
break;
|
|
case MODEKEYCOPY_SCROLLDOWN:
|
|
window_copy_cursor_down(wp, 1);
|
|
break;
|
|
case MODEKEYCOPY_PREVIOUSPAGE:
|
|
window_copy_pageup(wp);
|
|
break;
|
|
case MODEKEYCOPY_NEXTPAGE:
|
|
n = 1;
|
|
if (screen_size_y(s) > 2)
|
|
n = screen_size_y(s) - 2;
|
|
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;
|
|
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;
|
|
if (data->oy < n)
|
|
data->oy = 0;
|
|
else
|
|
data->oy -= n;
|
|
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:
|
|
screen_clear_selection(&data->screen);
|
|
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_NEXTWORD:
|
|
window_copy_cursor_next_word(wp);
|
|
break;
|
|
case MODEKEYCOPY_PREVIOUSWORD:
|
|
window_copy_cursor_previous_word(wp);
|
|
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:
|
|
switch (data->searchtype) {
|
|
case WINDOW_COPY_OFF:
|
|
case WINDOW_COPY_GOTOLINE:
|
|
break;
|
|
case WINDOW_COPY_SEARCHUP:
|
|
window_copy_search_up(wp, data->searchstr);
|
|
break;
|
|
case WINDOW_COPY_SEARCHDOWN:
|
|
window_copy_search_down(wp, data->searchstr);
|
|
break;
|
|
}
|
|
break;
|
|
case MODEKEYCOPY_GOTOLINE:
|
|
data->inputtype = WINDOW_COPY_GOTOLINE;
|
|
data->inputprompt = "Goto Line";
|
|
*data->inputstr = '\0';
|
|
goto input_on;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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;
|
|
|
|
switch (mode_key_lookup(&data->mdata, key)) {
|
|
case MODEKEYEDIT_CANCEL:
|
|
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:
|
|
switch (data->inputtype) {
|
|
case WINDOW_COPY_OFF:
|
|
break;
|
|
case WINDOW_COPY_SEARCHUP:
|
|
window_copy_search_up(wp, data->inputstr);
|
|
data->searchtype = data->inputtype;
|
|
data->searchstr = xstrdup(data->inputstr);
|
|
break;
|
|
case WINDOW_COPY_SEARCHDOWN:
|
|
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;
|
|
}
|
|
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_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_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_redraw_screen(wp);
|
|
}
|
|
|
|
int
|
|
window_copy_search_compare(
|
|
struct grid *gd, u_int px, u_int py, struct grid *sgd, u_int spx)
|
|
{
|
|
const struct grid_cell *gc, *sgc;
|
|
const struct grid_utf8 *gu, *sgu;
|
|
|
|
gc = grid_peek_cell(gd, px, py);
|
|
sgc = grid_peek_cell(sgd, spx, 0);
|
|
|
|
if ((gc->flags & GRID_FLAG_UTF8) != (sgc->flags & GRID_FLAG_UTF8))
|
|
return (0);
|
|
|
|
if (gc->flags & GRID_FLAG_UTF8) {
|
|
gu = grid_peek_utf8(gd, px, py);
|
|
sgu = grid_peek_utf8(sgd, spx, 0);
|
|
if (memcmp(gu->data, sgu->data, UTF8_SIZE) == 0)
|
|
return (1);
|
|
} else {
|
|
if (gc->data == sgc->data)
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
window_copy_search_lr(struct grid *gd,
|
|
struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last)
|
|
{
|
|
u_int ax, bx, px;
|
|
|
|
for (ax = first; ax < last; ax++) {
|
|
if (ax + sgd->sx >= gd->sx)
|
|
break;
|
|
for (bx = 0; bx < sgd->sx; bx++) {
|
|
px = ax + bx;
|
|
if (!window_copy_search_compare(gd, px, py, sgd, bx))
|
|
break;
|
|
}
|
|
if (bx == sgd->sx) {
|
|
*ppx = ax;
|
|
return (1);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
window_copy_search_rl(struct grid *gd,
|
|
struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last)
|
|
{
|
|
u_int ax, bx, px;
|
|
|
|
for (ax = last + 1; ax > first; ax--) {
|
|
if (gd->sx - (ax - 1) < sgd->sx)
|
|
continue;
|
|
for (bx = 0; bx < sgd->sx; bx++) {
|
|
px = ax - 1 + bx;
|
|
if (!window_copy_search_compare(gd, px, py, sgd, bx))
|
|
break;
|
|
}
|
|
if (bx == sgd->sx) {
|
|
*ppx = ax - 1;
|
|
return (1);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
window_copy_search_up(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, last, 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 == 0) {
|
|
if (fy == 0)
|
|
return;
|
|
fx = gd->sx - 1;
|
|
fy--;
|
|
} else
|
|
fx--;
|
|
n = wrapped = 0;
|
|
|
|
retry:
|
|
sgd = ss.grid;
|
|
for (i = fy + 1; i > 0; i--) {
|
|
last = screen_size_x(s);
|
|
if (i == fy + 1)
|
|
last = fx;
|
|
n = window_copy_search_rl(gd, sgd, &px, i - 1, 0, last);
|
|
if (n) {
|
|
window_copy_scroll_to(wp, px, i - 1);
|
|
break;
|
|
}
|
|
}
|
|
if (!n && !wrapped) {
|
|
fx = gd->sx - 1;
|
|
fy = gd->hsize + gd->sy - 1;
|
|
wrapped = 1;
|
|
goto retry;
|
|
}
|
|
|
|
screen_free(&ss);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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_redraw_screen(wp);
|
|
}
|
|
|
|
void
|
|
window_copy_write_line(
|
|
struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
struct screen *s = &data->screen;
|
|
struct options *oo = &wp->window->options;
|
|
struct grid_cell gc;
|
|
char hdr[32];
|
|
size_t last, xoff = 0, size = 0;
|
|
|
|
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");
|
|
|
|
last = screen_size_y(s) - 1;
|
|
if (py == 0) {
|
|
size = xsnprintf(hdr, sizeof hdr,
|
|
"[%u/%u]", data->oy, screen_hsize(&wp->base));
|
|
screen_write_cursormove(ctx, screen_size_x(s) - size, 0);
|
|
screen_write_puts(ctx, &gc, "%s", hdr);
|
|
} else if (py == last && data->inputtype != WINDOW_COPY_OFF) {
|
|
xoff = size = xsnprintf(hdr, sizeof hdr,
|
|
"%s: %s", data->inputprompt, data->inputstr);
|
|
screen_write_cursormove(ctx, 0, last);
|
|
screen_write_puts(ctx, &gc, "%s", hdr);
|
|
} else
|
|
size = 0;
|
|
|
|
screen_write_cursormove(ctx, xoff, py);
|
|
screen_write_copy(ctx, &wp->base, xoff, (screen_hsize(&wp->base) -
|
|
data->oy) + py, screen_size_x(s) - size, 1);
|
|
|
|
if (py == data->cy && data->cx == screen_size_x(s)) {
|
|
memcpy(&gc, &grid_default_cell, sizeof gc);
|
|
screen_write_cursormove(ctx, screen_size_x(s) - 1, py);
|
|
screen_write_putc(ctx, &gc, '$');
|
|
}
|
|
}
|
|
|
|
void
|
|
window_copy_write_lines(
|
|
struct window_pane *wp, struct screen_write_ctx *ctx, u_int py, u_int ny)
|
|
{
|
|
u_int yy;
|
|
|
|
for (yy = py; yy < py + ny; yy++)
|
|
window_copy_write_line(wp, ctx, py);
|
|
}
|
|
|
|
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_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_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_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);
|
|
}
|
|
|
|
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;
|
|
|
|
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 */
|
|
sx = 0;
|
|
sy = 0;
|
|
} else if (sy > ty + screen_size_y(s) - 1) { /* below screen */
|
|
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, &gc);
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
window_copy_copy_selection(struct window_pane *wp, struct client *c)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
struct screen *s = &data->screen;
|
|
char *buf;
|
|
size_t off;
|
|
u_int i, xx, yy, sx, sy, ex, ey, limit;
|
|
|
|
if (!s->sel.flag)
|
|
return;
|
|
|
|
buf = xmalloc(1);
|
|
off = 0;
|
|
|
|
*buf = '\0';
|
|
|
|
/*
|
|
* The selection extends from selx,sely to (adjusted) cx,cy on
|
|
* the base screen.
|
|
*/
|
|
|
|
/* Find start and end. */
|
|
xx = data->cx;
|
|
yy = screen_hsize(&wp->base) + data->cy - data->oy;
|
|
if (yy < data->sely || (yy == data->sely && xx < data->selx)) {
|
|
sx = xx; sy = yy;
|
|
ex = data->selx; ey = data->sely;
|
|
} else {
|
|
sx = data->selx; sy = data->sely;
|
|
ex = xx; ey = yy;
|
|
}
|
|
|
|
/* Trim ex to end of line. */
|
|
xx = window_copy_find_length(wp, ey);
|
|
if (ex > xx)
|
|
ex = xx;
|
|
|
|
/* Copy the lines. */
|
|
if (sy == ey)
|
|
window_copy_copy_line(wp, &buf, &off, sy, sx, ex);
|
|
else {
|
|
xx = screen_size_x(s);
|
|
window_copy_copy_line(wp, &buf, &off, sy, sx, xx);
|
|
if (ey - sy > 1) {
|
|
for (i = sy + 1; i < ey; i++)
|
|
window_copy_copy_line(wp, &buf, &off, i, 0, xx);
|
|
}
|
|
window_copy_copy_line(wp, &buf, &off, ey, 0, ex);
|
|
}
|
|
|
|
/* Don't bother if no data. */
|
|
if (off == 0) {
|
|
xfree(buf);
|
|
return;
|
|
}
|
|
off--; /* remove final \n */
|
|
|
|
/* Add the buffer to the stack. */
|
|
limit = options_get_number(&c->session->options, "buffer-limit");
|
|
paste_add(&c->session->buffers, buf, off, limit);
|
|
}
|
|
|
|
void
|
|
window_copy_copy_line(struct window_pane *wp,
|
|
char **buf, size_t *off, u_int sy, u_int sx, u_int ex)
|
|
{
|
|
struct grid *gd = wp->base.grid;
|
|
const struct grid_cell *gc;
|
|
const struct grid_utf8 *gu;
|
|
struct grid_line *gl;
|
|
u_int i, j, xx, wrapped = 0;
|
|
|
|
if (sx > ex)
|
|
return;
|
|
|
|
/*
|
|
* Work out if the line was wrapped at the screen edge and all of it is
|
|
* on screen.
|
|
*/
|
|
gl = &gd->linedata[sy];
|
|
if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx)
|
|
wrapped = 1;
|
|
|
|
/* If the line was wrapped, don't strip spaces (use the full length). */
|
|
if (wrapped)
|
|
xx = gl->cellsize;
|
|
else
|
|
xx = window_copy_find_length(wp, sy);
|
|
if (ex > xx)
|
|
ex = xx;
|
|
if (sx > xx)
|
|
sx = xx;
|
|
|
|
if (sx < ex) {
|
|
for (i = sx; i < ex; i++) {
|
|
gc = grid_peek_cell(gd, i, sy);
|
|
if (gc->flags & GRID_FLAG_PADDING)
|
|
continue;
|
|
if (!(gc->flags & GRID_FLAG_UTF8)) {
|
|
*buf = xrealloc(*buf, 1, (*off) + 1);
|
|
(*buf)[(*off)++] = gc->data;
|
|
} else {
|
|
gu = grid_peek_utf8(gd, i, sy);
|
|
*buf = xrealloc(*buf, 1, (*off) + UTF8_SIZE);
|
|
for (j = 0; j < UTF8_SIZE; j++) {
|
|
if (gu->data[j] == 0xff)
|
|
break;
|
|
(*buf)[(*off)++] = gu->data[j];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Only add a newline if the line wasn't wrapped. */
|
|
if (!wrapped) {
|
|
*buf = xrealloc(*buf, 1, (*off) + 1);
|
|
(*buf)[(*off)++] = '\n';
|
|
}
|
|
}
|
|
|
|
int
|
|
window_copy_is_space(struct window_pane *wp, u_int px, u_int py)
|
|
{
|
|
const struct grid_cell *gc;
|
|
const char *spaces = " -_@";
|
|
|
|
gc = grid_peek_cell(wp->base.grid, px, py);
|
|
if (gc->flags & (GRID_FLAG_PADDING|GRID_FLAG_UTF8))
|
|
return (0);
|
|
if (gc->data == 0x00 || gc->data == 0x7f)
|
|
return (0);
|
|
return (strchr(spaces, gc->data) != NULL);
|
|
}
|
|
|
|
u_int
|
|
window_copy_find_length(struct window_pane *wp, u_int py)
|
|
{
|
|
const struct grid_cell *gc;
|
|
u_int px;
|
|
|
|
/*
|
|
* If the pane has been resized, its grid can contain old overlong
|
|
* lines. grid_peek_cell does not allow accessing cells beyond the
|
|
* width of the grid, and screen_write_copy treats them as spaces, so
|
|
* ignore them here too.
|
|
*/
|
|
px = wp->base.grid->linedata[py].cellsize;
|
|
if (px > screen_size_x(&wp->base))
|
|
px = screen_size_x(&wp->base);
|
|
while (px > 0) {
|
|
gc = grid_peek_cell(wp->base.grid, px - 1, py);
|
|
if (gc->flags & GRID_FLAG_UTF8)
|
|
break;
|
|
if (gc->data != ' ')
|
|
break;
|
|
px--;
|
|
}
|
|
return (px);
|
|
}
|
|
|
|
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_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);
|
|
|
|
/*
|
|
* Don't use window_copy_is_space because that treats some word
|
|
* delimiters as spaces.
|
|
*/
|
|
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_cursor_end_of_line(struct window_pane *wp)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
u_int px, py;
|
|
|
|
py = screen_hsize(&wp->base) + 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_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_cursor_right(struct window_pane *wp)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
u_int px, py;
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
void
|
|
window_copy_cursor_up(struct window_pane *wp, int scroll_only)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
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 && window_copy_update_selection(wp))
|
|
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))
|
|
window_copy_redraw_lines(wp, data->cy, 2);
|
|
}
|
|
|
|
py = screen_hsize(&wp->base) + data->cy - data->oy;
|
|
px = window_copy_find_length(wp, py);
|
|
if (data->cx >= data->lastsx || data->cx > px)
|
|
window_copy_cursor_end_of_line(wp);
|
|
}
|
|
|
|
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 && window_copy_update_selection(wp))
|
|
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);
|
|
}
|
|
|
|
py = screen_hsize(&wp->base) + data->cy - data->oy;
|
|
px = window_copy_find_length(wp, py);
|
|
if (data->cx >= data->lastsx || data->cx > px)
|
|
window_copy_cursor_end_of_line(wp);
|
|
}
|
|
|
|
void
|
|
window_copy_cursor_next_word(struct window_pane *wp)
|
|
{
|
|
struct window_copy_mode_data *data = wp->modedata;
|
|
struct screen *s = &data->screen;
|
|
u_int px, py, xx, skip;
|
|
|
|
px = data->cx;
|
|
py = screen_hsize(&wp->base) + data->cy - data->oy;
|
|
xx = window_copy_find_length(wp, py);
|
|
|
|
skip = 1;
|
|
if (px < xx) {
|
|
/* If currently on a space, skip space. */
|
|
if (window_copy_is_space(wp, px, py))
|
|
skip = 0;
|
|
} else
|
|
skip = 0;
|
|
for (;;) {
|
|
if (px >= xx) {
|
|
if (skip) {
|
|
px = xx;
|
|
break;
|
|
}
|
|
|
|
while (px >= xx) {
|
|
if (data->cy == screen_size_y(s) - 1) {
|
|
if (data->oy == 0)
|
|
goto out;
|
|
}
|
|
|
|
px = 0;
|
|
window_copy_cursor_down(wp, 0);
|
|
|
|
py =screen_hsize(
|
|
&wp->base) + data->cy - data->oy;
|
|
xx = window_copy_find_length(wp, py);
|
|
}
|
|
}
|
|
|
|
if (skip) {
|
|
/* Currently skipping non-space (until space). */
|
|
if (window_copy_is_space(wp, px, py))
|
|
break;
|
|
} else {
|
|
/* Currently skipping space (until non-space). */
|
|
if (!window_copy_is_space(wp, px, py))
|
|
skip = 1;
|
|
}
|
|
|
|
px++;
|
|
}
|
|
|
|
out:
|
|
window_copy_update_cursor(wp, px, 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)
|
|
{
|
|
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_is_space(wp, px, py))
|
|
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_is_space(wp, px - 1, py))
|
|
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_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;
|
|
window_copy_update_selection(wp);
|
|
|
|
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);
|
|
window_copy_write_line(wp, &ctx, 1);
|
|
if (s->sel.flag && screen_size_y(s) > ny)
|
|
window_copy_write_line(wp, &ctx, screen_size_y(s) - ny - 1);
|
|
screen_write_cursormove(&ctx, data->cx, data->cy);
|
|
screen_write_stop(&ctx);
|
|
}
|
|
|
|
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;
|
|
window_copy_update_selection(wp);
|
|
|
|
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_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);
|
|
screen_write_stop(&ctx);
|
|
}
|