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Don't redraw status line unless it has actually changed. Stops extraneous

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updates between clock/#() changes and doesn't require manual status-interval 0
when no updates are occuring.
This commit is contained in:
Nicholas Marriott
2009-02-10 00:18:06 +00:00
parent cc5a0ab0e4
commit b37399304f
5 changed files with 80 additions and 31 deletions
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57
status.c
View File

@ -1,4 +1,4 @@
/* $Id: status.c,v 1.71 2009-02-01 18:14:49 tcunha Exp $ */
/* $Id: status.c,v 1.72 2009-02-10 00:18:06 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -38,14 +38,14 @@ void status_prompt_add_history(struct client *);
char *status_prompt_complete(const char *);
/* Draw status for client on the last lines of given context. */
void
int
status_redraw(struct client *c)
{
struct screen_write_ctx ctx;
struct session *s = c->session;
struct winlink *wl;
struct window_pane *wp;
struct screen *sc = NULL;
struct screen *sc = NULL, old_status;
char *left, *right, *text, *ptr;
size_t llen, rlen, offset, xx, yy, sy;
size_t size, start, width;
@ -54,11 +54,9 @@ status_redraw(struct client *c)
left = right = NULL;
/* Resize the target screen. */
if (screen_size_x(&c->status) != c->sx) {
screen_free(&c->status);
screen_init(&c->status, c->sx, 1, 0);
}
/* Create the target screen. */
memcpy(&old_status, &c->status, sizeof old_status);
screen_init(&c->status, c->sx, 1, 0);
/* No status line? */
if (c->sy == 0 || !options_get_number(&s->options, "status"))
@ -285,6 +283,13 @@ out:
xfree(left);
if (right != NULL)
xfree(right);
if (grid_compare(c->status.grid, old_status.grid) == 0) {
screen_free(&old_status);
return (0);
}
screen_free(&old_status);
return (1);
}
char *
@ -484,20 +489,19 @@ status_print(struct session *s, struct winlink *wl, struct grid_cell *gc)
}
/* Draw client message on status line of present else on last line. */
void
int
status_message_redraw(struct client *c)
{
struct screen_write_ctx ctx;
struct session *s = c->session;
struct screen old_status;
size_t len;
struct grid_cell gc;
if (c->sx == 0 || c->sy == 0)
return;
if (screen_size_x(&c->status) != c->sx) {
screen_free(&c->status);
screen_init(&c->status, c->sx, 1, 0);
}
return (0);
memcpy(&old_status, &c->status, sizeof old_status);
screen_init(&c->status, c->sx, 1, 0);
len = strlen(c->message_string);
if (len > c->sx)
@ -516,24 +520,30 @@ status_message_redraw(struct client *c)
screen_write_putc(&ctx, &gc, ' ');
screen_write_stop(&ctx);
if (grid_compare(c->status.grid, old_status.grid) == 0) {
screen_free(&old_status);
return (0);
}
screen_free(&old_status);
return (1);
}
/* Draw client prompt on status line of present else on last line. */
void
int
status_prompt_redraw(struct client *c)
{
struct screen_write_ctx ctx;
struct session *s = c->session;
struct screen old_status;
size_t i, size, left, len, offset, n;
char ch;
struct grid_cell gc;
if (c->sx == 0 || c->sy == 0)
return;
if (screen_size_x(&c->status) != c->sx) {
screen_free(&c->status);
screen_init(&c->status, c->sx, 1, 0);
}
return (0);
memcpy(&old_status, &c->status, sizeof old_status);
screen_init(&c->status, c->sx, 1, 0);
offset = 0;
len = strlen(c->prompt_string);
@ -587,6 +597,13 @@ status_prompt_redraw(struct client *c)
screen_write_putc(&ctx, &gc, ch);
screen_write_stop(&ctx);
if (grid_compare(c->status.grid, old_status.grid) == 0) {
screen_free(&old_status);
return (0);
}
screen_free(&old_status);
return (1);
}
/* Handle keys in prompt. */