circlecloud/tmux
1
0
Fork 0
mirror of https://github.com/tmux/tmux.git synced 2025-11-05 01:56:07 +00:00
Code Issues Projects Releases Wiki Activity

Internal screen data rewrite for better 256 colour/UTF-8 support.

Browse Source
This commit is contained in:
Nicholas Marriott
2008-09-25 20:08:57 +00:00
parent 9edb4d4b85
commit efe557313a
24 changed files with 2474 additions and 2421 deletions
Download Patch File Download Diff File Expand all files Collapse all files

262
window-copy.c
View File

@@ -1,4 +1,4 @@
/* $Id: window-copy.c,v 1.30 2008-09-10 19:15:04 nicm Exp $ */
/* $Id: window-copy.c,v 1.31 2008-09-25 20:08:57 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -44,6 +44,7 @@ int window_copy_update_selection(struct window *);
void window_copy_copy_selection(struct window *, struct client *);
void window_copy_copy_line(
struct window *, char **, size_t *, u_int, u_int, u_int);
int window_copy_is_space(struct window *, u_int, u_int);
u_int window_copy_find_length(struct window *, u_int);
void window_copy_cursor_start_of_line(struct window *);
void window_copy_cursor_end_of_line(struct window *);
@@ -58,10 +59,6 @@ void window_copy_scroll_right(struct window *, u_int);
void window_copy_scroll_up(struct window *, u_int);
void window_copy_scroll_down(struct window *, u_int);
const char *space_characters = " -_@";
#define window_copy_is_space(w, x, y) \
(strchr(space_characters, (w)->base.grid_data[y][x]) != NULL)
const struct window_mode window_copy_mode = {
window_copy_init,
window_copy_free,
@@ -104,7 +101,7 @@ window_copy_init(struct window *w)
screen_write_start(&ctx, s, NULL, NULL);
for (i = 0; i < screen_size_y(s); i++)
window_copy_write_line(w, &ctx, i);
screen_write_move_cursor(&ctx, data->cx, data->cy);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
return (s);
@@ -124,10 +121,12 @@ window_copy_resize(struct window *w, u_int sx, u_int sy)
{
struct window_copy_mode_data *data = w->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
screen_resize(s, sx, sy);
screen_display_copy_area(&data->screen, &w->base,
0, 0, screen_size_x(s), screen_size_y(s), data->ox, data->oy);
screen_write_start(&ctx, s, NULL, NULL);
window_copy_write_lines(w, &ctx, 0, screen_size_y(s) - 1);
screen_write_stop(&ctx);
window_copy_update_selection(w);
}
@@ -156,8 +155,8 @@ window_copy_key(struct window *w, struct client *c, int key)
window_copy_cursor_down(w);
return;
case MODEKEY_PPAGE:
if (data->oy + screen_size_y(s) > w->base.hsize)
data->oy = w->base.hsize;
if (data->oy + screen_size_y(s) > screen_hsize(&w->base))
data->oy = screen_hsize(&w->base);
else
data->oy += screen_size_y(s);
window_copy_update_selection(w);
@@ -202,44 +201,38 @@ window_copy_key(struct window *w, struct client *c, int key)
}
void
window_copy_write_line(
struct window *w, struct screen_write_ctx *ctx, u_int py)
window_copy_write_line(struct window *w, struct screen_write_ctx *ctx, u_int py)
{
struct window_copy_mode_data *data = w->modedata;
struct screen *s = &data->screen;
struct grid_cell gc;
char hdr[32];
size_t size;
if (py == 0) {
screen_write_set_attributes(
ctx, ATTR_BRIGHT|ATTR_REVERSE, 8, 8);
screen_write_move_cursor(ctx, 0, 0);
size = screen_write_put_string_rjust(
ctx, "[%u,%u/%u]", data->ox, data->oy, w->base.hsize);
screen_write_set_attributes(ctx, 0, 8, 8);
memcpy(&gc, &grid_default_cell, sizeof gc);
size = xsnprintf(hdr, sizeof hdr,
"[%u,%u/%u]", data->ox, data->oy, screen_hsize(&w->base));
gc.attr |= GRID_ATTR_BRIGHT|GRID_ATTR_REVERSE;
screen_write_cursormove(ctx, screen_size_x(s) - size, 0);
screen_write_puts(ctx, &gc, "%s", hdr);
gc.attr &= ~(GRID_ATTR_BRIGHT|GRID_ATTR_REVERSE);
} else
size = 0;
screen_write_move_cursor(ctx, 0, py);
screen_write_copy_area(
ctx, &w->base, screen_size_x(s) - size, 1, data->ox, data->oy);
screen_write_cursormove(ctx, 0, py);
screen_write_copy(ctx, &w->base, data->ox, (screen_hsize(&w->base) -
data->oy) + py, screen_size_x(s) - size, 1);
}
void
window_copy_write_lines(
struct window *w, struct screen_write_ctx *ctx, u_int py, u_int ny)
{
struct window_copy_mode_data *data = w->modedata;
struct screen *s = &data->screen;
u_int yy;
if (py == 0) {
window_copy_write_line(w, ctx, 0);
if (ny == 1)
return;
py++;
ny--;
}
screen_write_move_cursor(ctx, 0, py);
screen_write_copy_area(
ctx, &w->base, screen_size_x(s), ny, data->ox, data->oy);
for (yy = py; yy < py + ny; yy++)
window_copy_write_line(w, ctx, py);
}
void
@@ -249,21 +242,19 @@ window_copy_write_column(
struct window_copy_mode_data *data = w->modedata;
struct screen *s = &data->screen;
screen_write_move_cursor(ctx, px, 0);
screen_write_copy_area(
ctx, &w->base, 1, screen_size_y(s), data->ox, data->oy);
screen_write_cursormove(ctx, px, 0);
screen_write_copy(ctx, &w->base,
data->ox, screen_hsize(&w->base) - data->oy, 1, screen_size_y(s));
}
void
window_copy_write_columns(
struct window *w, struct screen_write_ctx *ctx, u_int px, u_int nx)
{
struct window_copy_mode_data *data = w->modedata;
struct screen *s = &data->screen;
u_int xx;
screen_write_move_cursor(ctx, px, 0);
screen_write_copy_area(
ctx, &w->base, nx, screen_size_y(s), data->ox, data->oy);
for (xx = px; xx < px + nx; xx++)
window_copy_write_column(w, ctx, px);
}
void
@@ -276,7 +267,7 @@ window_copy_redraw_lines(struct window *w, u_int py, u_int ny)
screen_write_start_window(&ctx, w);
for (i = py; i < py + ny; i++)
window_copy_write_line(w, &ctx, i);
screen_write_move_cursor(&ctx, data->cx, data->cy);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
}
@@ -295,7 +286,7 @@ window_copy_update_cursor(struct window *w)
struct screen_write_ctx ctx;
screen_write_start_window(&ctx, w);
screen_write_move_cursor(&ctx, data->cx, data->cy);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
}
@@ -305,8 +296,8 @@ window_copy_start_selection(struct window *w)
struct window_copy_mode_data *data = w->modedata;
struct screen *s = &data->screen;
data->selx = screen_x(&w->base, data->cx) + data->ox;
data->sely = screen_y(&w->base, data->cy) - data->oy;
data->selx = data->cx + data->ox;
data->sely = screen_hsize(&w->base) + data->cy - data->oy;
s->sel.flag = 1;
window_copy_update_selection(w);
@@ -323,8 +314,8 @@ window_copy_update_selection(struct window *w)
return (0);
/* Find top-left of screen. */
tx = screen_x(&w->base, 0) + data->ox;
ty = screen_y(&w->base, 0) - data->oy;
tx = data->ox;
ty = screen_hsize(&w->base) - data->oy;
/* Adjust the selection. */
sx = data->selx;
@@ -333,28 +324,26 @@ window_copy_update_selection(struct window *w)
/* Above it. */
sx = 0;
sy = 0;
} else if (sy > ty + screen_last_y(s)) {
} else if (sy > ty + screen_size_y(s) - 1) {
/* Below it. */
sx = screen_last_x(s);
sy = screen_last_y(s);
sx = screen_size_x(s) - 1;
sy = screen_size_y(s) - 1;
} else if (sx < tx) {
/* To the left. */
sx = 0;
} else if (sx > tx + screen_last_x(s)) {
} else if (sx > tx + screen_size_x(s) - 1) {
/* To the right. */
sx = 0;
sy++;
if (sy > screen_last_y(s))
sy = screen_last_y(s);
if (sy > screen_size_y(s) - 1)
sy = screen_size_y(s) - 1;
} else {
sx -= tx;
sy -= ty;
}
sx = screen_x(s, sx);
sy = screen_x(s, sy);
sy = screen_hsize(s) + sy;
screen_set_selection(
s, sx, sy, screen_x(s, data->cx), screen_y(s, data->cy));
screen_set_selection(s, sx, sy, data->cx, screen_hsize(s) + data->cy);
return (1);
}
@@ -381,8 +370,8 @@ window_copy_copy_selection(struct window *w, struct client *c)
*/
/* Find start and end. */
xx = screen_x(&w->base, data->cx) + data->ox;
yy = screen_y(&w->base, data->cy) - data->oy;
xx = data->cx + data->ox;
yy = screen_hsize(&w->base) + data->cy - data->oy;
if (xx < data->selx || (yy == data->sely && xx < data->selx)) {
sx = xx; sy = yy;
ex = data->selx; ey = data->sely;
@@ -425,7 +414,8 @@ void
window_copy_copy_line(
struct window *w, char **buf, size_t *off, u_int sy, u_int sx, u_int ex)
{
u_char i, xx;
const struct grid_cell *gc;
u_char i, j, xx, data[4];
if (sx > ex)
return;
@@ -438,9 +428,15 @@ window_copy_copy_line(
if (sx < ex) {
for (i = sx; i < ex; i++) {
*buf = xrealloc(*buf, 1, (*off) + 1);
(*buf)[*off] = w->base.grid_data[sy][i];
(*off)++;
gc = grid_peek_cell(w->base.grid, i, sy);
utf8_split(gc->data, data);
*buf = xrealloc(*buf, 1, (*off) + 4);
for (j = 0; j < sizeof data; j++) {
if (data[j] == 0xff)
break;
(*buf)[(*off)++] = data[j];
}
}
}
@@ -449,14 +445,33 @@ window_copy_copy_line(
(*off)++;
}
int
window_copy_is_space(struct window *w, u_int px, u_int py)
{
const struct grid_cell *gc;
const char *spaces = " -_@";
gc = grid_peek_cell(w->base.grid, px, py);
if (gc->flags & GRID_FLAG_PADDING)
return (0);
if (gc->data == 0x00 || gc->data > 0xff)
return (0);
return (strchr(spaces, gc->data) != NULL);
}
u_int
window_copy_find_length(struct window *w, u_int py)
{
u_int px;
const struct grid_cell *gc;
u_int px;
px = w->base.grid_size[py];
while (px > 0 && w->base.grid_data[py][px - 1] == ' ')
px = w->base.grid->size[py];
while (px > 0) {
gc = grid_peek_cell(w->base.grid, px - 1, py);
if (gc->data != 0x20)
break;
px--;
}
return (px);
}
@@ -482,32 +497,32 @@ window_copy_cursor_end_of_line(struct window *w)
struct screen *s = &data->screen;
u_int px, py;
py = screen_y(&w->base, data->cy) - data->oy;
py = screen_hsize(&w->base) + data->cy - data->oy;
px = window_copy_find_length(w, py);
/* On screen. */
if (px > data->ox && px <= data->ox + screen_last_x(s))
if (px > data->ox && px <= data->ox + screen_size_x(s) - 1)
data->cx = px - data->ox;
/* Off right of screen. */
if (px > data->ox + screen_last_x(s)) {
if (px > data->ox + screen_size_x(s) - 1) {
/* Move cursor to last and scroll screen. */
window_copy_scroll_left(w,
px - data->ox - screen_last_x(s));
data->cx = screen_last_x(s);
window_copy_scroll_left(
w, px - data->ox - (screen_size_x(s) - 1));
data->cx = screen_size_x(s) - 1;
}
/* Off left of screen. */
if (px <= data->ox) {
if (px < screen_last_x(s)) {
if (px < screen_size_x(s) - 1) {
/* Short enough to fit on screen. */
window_copy_scroll_right(w, data->ox);
data->cx = px;
} else {
/* Too long to fit on screen. */
window_copy_scroll_right(
w, data->ox - (px - screen_last_x(s)));
data->cx = screen_last_x(s);
w, data->ox - (px - (screen_size_x(s) - 1)));
data->cx = screen_size_x(s) - 1;
}
}
@@ -544,7 +559,7 @@ window_copy_cursor_right(struct window *w)
struct window_copy_mode_data *data = w->modedata;
u_int px, py;
py = screen_y(&w->base, data->cy) - data->oy;
py = screen_hsize(&w->base) + data->cy - data->oy;
px = window_copy_find_length(w, py);
if (data->cx >= px) {
@@ -565,7 +580,7 @@ window_copy_cursor_up(struct window *w)
struct window_copy_mode_data *data = w->modedata;
u_int ox, oy, px, py;
oy = screen_y(&w->base, data->cy) - data->oy;
oy = screen_hsize(&w->base) + data->cy - data->oy;
ox = window_copy_find_length(w, oy);
if (data->cy == 0)
@@ -578,7 +593,7 @@ window_copy_cursor_up(struct window *w)
window_copy_update_cursor(w);
}
py = screen_y(&w->base, data->cy) - data->oy;
py = screen_hsize(&w->base) + data->cy - data->oy;
px = window_copy_find_length(w, py);
if (data->cx + data->ox >= px || data->cx + data->ox >= ox)
@@ -592,10 +607,10 @@ window_copy_cursor_down(struct window *w)
struct screen *s = &data->screen;
u_int ox, oy, px, py;
oy = screen_y(&w->base, data->cy) - data->oy;
oy = screen_hsize(&w->base) + data->cy - data->oy;
ox = window_copy_find_length(w, oy);
if (data->cy == screen_last_y(s))
if (data->cy == screen_size_y(s) - 1)
window_copy_scroll_up(w, 1);
else {
data->cy++;
@@ -605,7 +620,7 @@ window_copy_cursor_down(struct window *w)
window_copy_update_cursor(w);
}
py = screen_y(&w->base, data->cy) - data->oy;
py = screen_hsize(&w->base) + data->cy - data->oy;
px = window_copy_find_length(w, py);
if (data->cx + data->ox >= px || data->cx + data->ox >= ox)
@@ -620,7 +635,7 @@ window_copy_cursor_next_word(struct window *w)
u_int px, py, xx, skip;
px = data->ox + data->cx;
py = screen_y(&w->base, data->cy) - data->oy;
py = screen_hsize(&w->base) + data->cy - data->oy;
xx = window_copy_find_length(w, py);
skip = 1;
@@ -638,7 +653,7 @@ window_copy_cursor_next_word(struct window *w)
}
while (px >= xx) {
if (data->cy == screen_last_y(s)) {
if (data->cy == screen_size_y(s) - 1) {
if (data->oy == 0)
goto out;
}
@@ -646,7 +661,8 @@ window_copy_cursor_next_word(struct window *w)
px = 0;
window_copy_cursor_down(w);
py = screen_y(&w->base, data->cy) - data->oy;
py =screen_hsize(
&w->base) + data->cy - data->oy;
xx = window_copy_find_length(w, py);
}
}
@@ -666,28 +682,28 @@ window_copy_cursor_next_word(struct window *w)
out:
/* On screen. */
if (px > data->ox && px <= data->ox + screen_last_x(s))
if (px > data->ox && px <= data->ox + screen_size_x(s) - 1)
data->cx = px - data->ox;
/* Off right of screen. */
if (px > data->ox + screen_last_x(s)) {
if (px > data->ox + screen_size_x(s) - 1) {
/* Move cursor to last and scroll screen. */
window_copy_scroll_left(w,
px - data->ox - screen_last_x(s));
data->cx = screen_last_x(s);
window_copy_scroll_left(
w, px - data->ox - (screen_size_x(s) - 1));
data->cx = screen_size_x(s) - 1;
}
/* Off left of screen. */
if (px <= data->ox) {
if (px < screen_last_x(s)) {
if (px < screen_size_x(s) - 1) {
/* Short enough to fit on screen. */
window_copy_scroll_right(w, data->ox);
data->cx = px;
} else {
/* Too long to fit on screen. */
window_copy_scroll_right(
w, data->ox - (px - screen_last_x(s)));
data->cx = screen_last_x(s);
w, data->ox - (px - (screen_size_x(s) - 1)));
data->cx = screen_size_x(s) - 1;
}
}
@@ -705,7 +721,7 @@ window_copy_cursor_previous_word(struct window *w)
u_int ox, px, py, skip;
ox = px = data->ox + data->cx;
py = screen_y(&w->base, data->cy) - data->oy;
py = screen_hsize(&w->base) + data->cy - data->oy;
skip = 1;
if (px != 0) {
@@ -719,13 +735,15 @@ window_copy_cursor_previous_word(struct window *w)
break;
while (px == 0) {
if (data->cy == 0 && (w->base.hsize == 0 ||
data->oy >= w->base.hsize - 1))
if (data->cy == 0 &&
(screen_hsize(&w->base) == 0 ||
data->oy >= screen_hsize(&w->base) - 1))
goto out;
window_copy_cursor_up(w);
py = screen_y(&w->base, data->cy) - data->oy;
py = screen_hsize(
&w->base) + data->cy - data->oy;
px = window_copy_find_length(w, py);
}
goto out;
@@ -746,28 +764,28 @@ window_copy_cursor_previous_word(struct window *w)
out:
/* On screen. */
if (px > data->ox && px <= data->ox + screen_last_x(s))
if (px > data->ox && px <= data->ox + screen_size_x(s) - 1)
data->cx = px - data->ox;
/* Off right of screen. */
if (px > data->ox + screen_last_x(s)) {
if (px > data->ox + screen_size_x(s) - 1) {
/* Move cursor to last and scroll screen. */
window_copy_scroll_left(w,
px - data->ox - screen_last_x(s));
data->cx = screen_last_x(s);
window_copy_scroll_left(
w, px - data->ox - (screen_size_x(s) - 1));
data->cx = screen_size_x(s) - 1;
}
/* Off left of screen. */
if (px <= data->ox) {
if (px < screen_last_x(s)) {
if (px < screen_size_x(s) - 1) {
/* Short enough to fit on screen. */
window_copy_scroll_right(w, data->ox);
data->cx = px;
} else {
/* Too long to fit on screen. */
window_copy_scroll_right(
w, data->ox - (px - screen_last_x(s)));
data->cx = screen_last_x(s);
w, data->ox - (px - (screen_size_x(s) - 1)));
data->cx = screen_size_x(s) - 1;
}
}
@@ -794,8 +812,8 @@ window_copy_scroll_left(struct window *w, u_int nx)
screen_write_start_window(&ctx, w);
for (i = 1; i < screen_size_y(s); i++) {
screen_write_move_cursor(&ctx, 0, i);
screen_write_delete_characters(&ctx, nx);
screen_write_cursormove(&ctx, 0, i);
screen_write_deletecharacter(&ctx, nx);
}
window_copy_write_columns(w, &ctx, screen_size_x(s) - nx, nx);
window_copy_write_line(w, &ctx, 0);
@@ -803,7 +821,7 @@ window_copy_scroll_left(struct window *w, u_int nx)
window_copy_update_selection(w);
window_copy_write_lines(w, &ctx, data->cy, 1);
}
screen_write_move_cursor(&ctx, data->cx, data->cy);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
}
@@ -824,14 +842,14 @@ window_copy_scroll_right(struct window *w, u_int nx)
screen_write_start_window(&ctx, w);
for (i = 1; i < screen_size_y(s); i++) {
screen_write_move_cursor(&ctx, 0, i);
screen_write_insert_characters(&ctx, nx);
screen_write_cursormove(&ctx, 0, i);
screen_write_insertcharacter(&ctx, nx);
}
window_copy_write_columns(w, &ctx, 0, nx);
window_copy_write_line(w, &ctx, 0);
if (s->sel.flag)
window_copy_write_lines(w, &ctx, data->cy, 1);
screen_write_move_cursor(&ctx, data->cx, data->cy);
window_copy_write_line(w, &ctx, data->cy);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
}
@@ -850,13 +868,13 @@ window_copy_scroll_up(struct window *w, u_int ny)
window_copy_update_selection(w);
screen_write_start_window(&ctx, w);
screen_write_move_cursor(&ctx, 0, 0);
screen_write_delete_lines(&ctx, ny);
screen_write_cursormove(&ctx, 0, 0);
screen_write_deleteline(&ctx, ny);
window_copy_write_lines(w, &ctx, screen_size_y(s) - ny, ny);
window_copy_write_line(w, &ctx, 0);
if (s->sel.flag && screen_size_y(s) > ny)
window_copy_write_lines(w, &ctx, screen_size_y(s) - ny - 1, 1);
screen_write_move_cursor(&ctx, data->cx, data->cy);
window_copy_write_line(w, &ctx, screen_size_y(s) - ny - 1);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
}
@@ -867,24 +885,24 @@ window_copy_scroll_down(struct window *w, u_int ny)
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
if (ny > w->base.hsize)
if (ny > screen_hsize(&w->base))
return;
if (data->oy > w->base.hsize - ny)
ny = w->base.hsize - data->oy;
if (data->oy > screen_hsize(&w->base) - ny)
ny = screen_hsize(&w->base) - data->oy;
if (ny == 0)
return;
data->oy += ny;
window_copy_update_selection(w);
screen_write_start_window(&ctx, w);
screen_write_move_cursor(&ctx, 0, 0);
screen_write_insert_lines(&ctx, ny);
screen_write_cursormove(&ctx, 0, 0);
screen_write_insertline(&ctx, ny);
window_copy_write_lines(w, &ctx, 0, ny);
if (s->sel.flag && screen_size_y(s) > ny)
window_copy_write_lines(w, &ctx, ny, 1);
window_copy_write_line(w, &ctx, ny);
else if (ny == 1) /* nuke position */
window_copy_write_line(w, &ctx, 1);
screen_write_move_cursor(&ctx, data->cx, data->cy);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
}