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

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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
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135
status.c
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@ -1,4 +1,4 @@
/* $Id: status.c,v 1.45 2008-09-08 22:03:54 nicm Exp $ */
/* $Id: status.c,v 1.46 2008-09-25 20:08:54 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -25,7 +25,7 @@
#include "tmux.h"
size_t status_width(struct winlink *);
char *status_print(struct session *, struct winlink *, u_short *);
char *status_print(struct session *, struct winlink *, struct grid_cell *);
/* Draw status for client on the last lines of given context. */
void
@ -38,8 +38,7 @@ status_redraw(struct client *c)
char lbuf[BUFSIZ], rbuf[BUFSIZ];
size_t llen, rlen, offset, xx, yy;
size_t size, start, width;
u_short attr;
u_char fg, bg;
struct grid_cell gc;
struct tm *tm;
time_t t;
int larrow, rarrow;
@ -50,8 +49,8 @@ status_redraw(struct client *c)
if (gettimeofday(&c->status_timer, NULL) != 0)
fatal("gettimeofday");
fg = options_get_number(&s->options, "status-fg");
bg = options_get_number(&s->options, "status-bg");
gc.fg = options_get_number(&s->options, "status-fg");
gc.bg = options_get_number(&s->options, "status-bg");
yy = c->sy - 1;
if (yy == 0)
@ -138,24 +137,22 @@ draw:
/* Begin drawing and move to the starting position. */
screen_redraw_start_client(&ctx, c);
screen_redraw_set_attributes(&ctx, 0, fg, bg);
if (llen != 0) {
screen_redraw_move_cursor(&ctx, 0, yy);
screen_redraw_write_string(&ctx, "%s ", lbuf);
ctx.write(ctx.data, TTY_CURSORMOVE, 0, yy);
screen_redraw_puts(&ctx, &gc, "%s ", lbuf);
if (larrow)
ctx.write(ctx.data, TTY_CHARACTER, ' ');
screen_redraw_putc(&ctx, &gc, ' ');
} else {
if (larrow)
screen_redraw_move_cursor(&ctx, 1, yy);
ctx.write(ctx.data, TTY_CURSORMOVE, 1, yy);
else
screen_redraw_move_cursor(&ctx, 0, yy);
ctx.write(ctx.data, TTY_CURSORMOVE, 0, yy);
}
/* Draw each character in succession. */
offset = 0;
RB_FOREACH(wl, winlinks, &s->windows) {
text = status_print(s, wl, &attr);
screen_redraw_set_attributes(&ctx, attr, fg, bg);
text = status_print(s, wl, &gc);
if (larrow == 1 && offset < start) {
if (session_alert_has(s, wl, WINDOW_ACTIVITY))
@ -166,7 +163,7 @@ draw:
for (ptr = text; *ptr != '\0'; ptr++) {
if (offset >= start && offset < start + width)
ctx.write(ctx.data, TTY_CHARACTER, *ptr);
screen_redraw_putc(&ctx, &gc, *ptr);
offset++;
}
@ -177,10 +174,10 @@ draw:
rarrow = -1;
}
gc.attr &= ~GRID_ATTR_REVERSE;
if (offset < start + width) {
if (offset >= start) {
screen_redraw_set_attributes(&ctx, 0, fg, bg);
ctx.write(ctx.data, TTY_CHARACTER, ' ');
screen_redraw_putc(&ctx, &gc, ' ');
}
offset++;
}
@ -189,52 +186,50 @@ draw:
}
/* Fill the remaining space if any. */
screen_redraw_set_attributes(&ctx, 0, fg, bg);
while (offset++ < xx)
ctx.write(ctx.data, TTY_CHARACTER, ' ');
screen_redraw_putc(&ctx, &gc, ' ');
/* Draw the last item. */
if (rlen != 0) {
screen_redraw_move_cursor(&ctx, c->sx - rlen - 1, yy);
screen_redraw_write_string(&ctx, " %s", rbuf);
ctx.write(ctx.data, TTY_CURSORMOVE, c->sx - rlen - 1, yy);
screen_redraw_puts(&ctx, &gc, " %s", rbuf);
}
/* Draw the arrows. */
if (larrow != 0) {
if (larrow == -1) {
screen_redraw_set_attributes(
&ctx, ATTR_REVERSE, fg, bg);
} else
screen_redraw_set_attributes(&ctx, 0, fg, bg);
if (llen != 0)
screen_redraw_move_cursor(&ctx, llen + 1, yy);
if (larrow == -1)
gc.attr |= GRID_ATTR_REVERSE;
else
screen_redraw_move_cursor(&ctx, 0, yy);
ctx.write(ctx.data, TTY_CHARACTER, '<');
gc.attr &= ~GRID_ATTR_REVERSE;
if (llen != 0)
ctx.write(ctx.data, TTY_CURSORMOVE, llen + 1, yy);
else
ctx.write(ctx.data, TTY_CURSORMOVE, 0, yy);
screen_redraw_putc(&ctx, &gc, '<');
gc.attr &= ~GRID_ATTR_REVERSE;
}
if (rarrow != 0) {
if (rarrow == -1) {
screen_redraw_set_attributes(
&ctx, ATTR_REVERSE, fg, bg);
} else
screen_redraw_set_attributes(&ctx, 0, fg, bg);
if (rlen != 0)
screen_redraw_move_cursor(&ctx, c->sx - rlen - 2, yy);
if (rarrow == -1)
gc.attr |= GRID_ATTR_REVERSE;
else
screen_redraw_move_cursor(&ctx, c->sx - 1, yy);
ctx.write(ctx.data, TTY_CHARACTER, '>');
gc.attr &= ~GRID_ATTR_REVERSE;
if (rlen != 0)
ctx.write(ctx.data, TTY_CURSORMOVE, c->sx - rlen - 2, yy);
else
ctx.write(ctx.data, TTY_CURSORMOVE, c->sx - 1, yy);
screen_redraw_putc(&ctx, &gc, '>');
gc.attr &= ~GRID_ATTR_REVERSE;
}
screen_redraw_stop(&ctx);
return;
blank:
/* Just draw the whole line as blank. */
screen_redraw_start_client(&ctx, c);
screen_redraw_set_attributes(&ctx, 0, fg, bg);
screen_redraw_move_cursor(&ctx, 0, yy);
ctx.write(ctx.data, TTY_CURSORMOVE, 0, yy);
for (offset = 0; offset < c->sx; offset++)
ctx.write(ctx.data, TTY_CHARACTER, ' ');
screen_redraw_putc(&ctx, &gc, ' ');
screen_redraw_stop(&ctx);
return;
@ -247,10 +242,9 @@ off:
screen_redraw_start_client(&ctx, c);
/* If the screen is too small, use blank. */
if (screen_size_y(c->session->curw->window->screen) < c->sy) {
screen_redraw_move_cursor(&ctx, 0, c->sy - 1);
screen_redraw_set_attributes(&ctx, 0, 8, 8);
ctx.write(ctx.data, TTY_CURSORMOVE, 0, c->sy - 1);
for (offset = 0; offset < c->sx; offset++)
ctx.write(ctx.data, TTY_CHARACTER, ' ');
screen_redraw_putc(&ctx, &gc, ' ');
} else
screen_redraw_lines(&ctx, c->sy - 1, 1);
screen_redraw_stop(&ctx);
@ -276,7 +270,7 @@ status_width(struct winlink *wl)
}
char *
status_print(struct session *s, struct winlink *wl, u_short *attr)
status_print(struct session *s, struct winlink *wl, struct grid_cell *gc)
{
char *text, flag;
@ -286,14 +280,14 @@ status_print(struct session *s, struct winlink *wl, u_short *attr)
if (wl == s->curw)
flag = '*';
*attr = 0;
gc->attr &= ~GRID_ATTR_REVERSE;
if (session_alert_has(s, wl, WINDOW_ACTIVITY)) {
flag = '#';
*attr = ATTR_REVERSE;
gc->attr |= GRID_ATTR_REVERSE;
}
if (session_alert_has(s, wl, WINDOW_BELL)) {
flag = '!';
*attr = ATTR_REVERSE;
gc->attr |= GRID_ATTR_REVERSE;
}
xasprintf(&text, "%d:%s%c", wl->idx, wl->window->name, flag);
@ -306,6 +300,7 @@ status_message_redraw(struct client *c)
{
struct screen_redraw_ctx ctx;
size_t xx, yy;
struct grid_cell gc;
if (c->sx == 0 || c->sy == 0)
return;
@ -315,16 +310,19 @@ status_message_redraw(struct client *c)
xx = c->sx;
yy = c->sy - 1;
screen_redraw_start_client(&ctx, c);
screen_redraw_set_attributes(&ctx, ATTR_REVERSE, 8, 8);
memcpy(&gc, &grid_default_cell, sizeof gc);
gc.attr |= GRID_ATTR_REVERSE;
screen_redraw_move_cursor(&ctx, 0, yy);
screen_redraw_write_string(&ctx, "%.*s", (int) xx, c->message_string);
screen_redraw_start_client(&ctx, c);
ctx.write(ctx.data, TTY_CURSORMOVE, 0, yy);
screen_redraw_puts(&ctx, &gc, "%.*s", (int) xx, c->message_string);
for (; xx < c->sx; xx++)
ctx.write(ctx.data, TTY_CHARACTER, ' ');
screen_redraw_putc(&ctx, &gc, ' ');
screen_redraw_stop(&ctx);
tty_write_client(c, TTY_CURSOROFF);
tty_write_client(c, TTY_CURSORMODE, 0);
}
/* Draw client prompt on status line of present else on last line. */
@ -334,6 +332,7 @@ status_prompt_redraw(struct client *c)
struct screen_redraw_ctx ctx;
size_t i, xx, yy, left, size, offset;
char ch;
struct grid_cell gc;
if (c->sx == 0 || c->sy == 0)
return;
@ -344,11 +343,13 @@ status_prompt_redraw(struct client *c)
xx = c->sx;
yy = c->sy - 1;
screen_redraw_start_client(&ctx, c);
screen_redraw_set_attributes(&ctx, ATTR_REVERSE, 8, 8);
memcpy(&gc, &grid_default_cell, sizeof gc);
gc.attr |= GRID_ATTR_REVERSE;
screen_redraw_move_cursor(&ctx, 0, yy);
screen_redraw_write_string(&ctx, "%.*s", (int) xx, c->prompt_string);
screen_redraw_start_client(&ctx, c);
ctx.write(ctx.data, TTY_CURSORMOVE, 0, yy);
screen_redraw_puts(&ctx, &gc, "%.*s", (int) xx, c->prompt_string);
left = c->sx - xx;
if (left != 0) {
@ -360,29 +361,29 @@ status_prompt_redraw(struct client *c)
left--;
size = left;
}
screen_redraw_write_string(
&ctx, "%.*s", (int) left, c->prompt_buffer + offset);
screen_redraw_puts(
&ctx, &gc, "%.*s", (int) left, c->prompt_buffer + offset);
for (i = xx + size; i < c->sx; i++) {
ctx.write(ctx.data, TTY_CHARACTER, ' ');
screen_redraw_putc(&ctx, &gc, ' ');
ctx.s->cx++;
}
}
/* Draw a fake cursor. */
screen_redraw_set_attributes(&ctx, 0, 8, 8);
screen_redraw_move_cursor(&ctx, xx + c->prompt_index - offset, yy);
ctx.write(ctx.data, TTY_CURSORMOVE, xx + c->prompt_index - offset, yy);
if (c->prompt_index == strlen(c->prompt_buffer))
ch = ' ';
else
ch = c->prompt_buffer[c->prompt_index];
if (ch == '\0')
ch = ' ';
tty_write_client(c, TTY_CHARACTER, ch);
gc.attr &= ~GRID_ATTR_REVERSE;
screen_redraw_putc(&ctx, &gc, ch);
screen_redraw_stop(&ctx);
tty_write_client(c, TTY_CURSOROFF);
tty_write_client(c, TTY_CURSORMODE, 0);
}
/* Handle keys in prompt. */