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Fast up/down line scroll.

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This commit is contained in:
Nicholas Marriott 2007-11-21 15:55:02 +00:00
parent d5edaf988e
commit df158734c2
1 changed files with 84 additions and 4 deletions
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88
window-scroll.c
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@ -1,4 +1,4 @@
/* $Id: window-scroll.c,v 1.5 2007-11-21 15:35:53 nicm Exp $ */ /* $Id: window-scroll.c,v 1.6 2007-11-21 15:55:02 nicm Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -18,6 +18,8 @@
#include <sys/types.h> #include <sys/types.h>
#include <string.h>
#include "tmux.h" #include "tmux.h"
void window_scroll_init(struct window *); void window_scroll_init(struct window *);
@ -25,6 +27,9 @@ void window_scroll_resize(struct window *, u_int, u_int);
void window_scroll_draw(struct window *, struct buffer *, u_int, u_int); void window_scroll_draw(struct window *, struct buffer *, u_int, u_int);
void window_scroll_key(struct window *, int); void window_scroll_key(struct window *, int);
void window_scroll_up_1(struct window *);
void window_scroll_down_1(struct window *);
const struct window_mode window_scroll_mode = { const struct window_mode window_scroll_mode = {
window_scroll_init, window_scroll_init,
window_scroll_resize, window_scroll_resize,
@ -117,9 +122,8 @@ window_scroll_key(struct window *w, int key)
case 'k': case 'k':
case 'K': case 'K':
case KEYC_UP: case KEYC_UP:
if (data->oy < data->size) window_scroll_up_1(w);
data->oy++; return;
break;
case 'j': case 'j':
case 'J': case 'J':
case KEYC_DOWN: case KEYC_DOWN:
@ -144,3 +148,79 @@ window_scroll_key(struct window *w, int key)
if (ox != data->ox || oy != data->oy) if (ox != data->ox || oy != data->oy)
server_redraw_window_all(w); server_redraw_window_all(w);
} }
void
window_scroll_up_1(struct window *w)
{
struct window_scroll_mode_data *data = w->modedata;
struct screen *s = &w->screen;
struct client *c;
u_int i;
struct hdr hdr;
size_t size;
if (data->oy >= data->size)
return;
data->oy++;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session == NULL)
continue;
if (!session_has(c->session, w))
continue;
buffer_ensure(c->out, sizeof hdr);
buffer_add(c->out, sizeof hdr);
size = BUFFER_USED(c->out);
input_store_two(c->out, CODE_CURSORMOVE, 1, screen_size_y(s));
input_store_one(c->out, CODE_INSERTLINE, 1);
/* Redraw the top two lines to nuke the position display too. */
window_scroll_draw(w, c->out, 0, 2);
size = BUFFER_USED(c->out) - size;
hdr.type = MSG_DATA;
hdr.size = size;
memcpy(BUFFER_IN(c->out) - size - sizeof hdr, &hdr, sizeof hdr);
}
}
void
window_scroll_down_1(struct window *w)
{
struct window_scroll_mode_data *data = w->modedata;
struct screen *s = &w->screen;
struct client *c;
u_int i;
struct hdr hdr;
size_t size;
if (data->oy == 0)
return;
data->oy--;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session == NULL)
continue;
if (!session_has(c->session, w))
continue;
buffer_ensure(c->out, sizeof hdr);
buffer_add(c->out, sizeof hdr);
size = BUFFER_USED(c->out);
input_store_two(c->out, CODE_CURSORMOVE, 1, 1);
input_store_one(c->out, CODE_DELETELINE, 1);
input_store_two(c->out, CODE_CURSORMOVE, 1, screen_size_y(s));
window_scroll_draw(w, c->out, screen_last_y(s), 1);
size = BUFFER_USED(c->out) - size;
hdr.type = MSG_DATA;
hdr.size = size;
memcpy(BUFFER_IN(c->out) - size - sizeof hdr, &hdr, sizeof hdr);
}
}