Two new commands, choose-window and choose-session which work only when bound to a key and allow the window or session to be selected from a list.

pull/1/head
Nicholas Marriott 2009-01-15 19:27:31 +00:00
parent c5c4cc7557
commit d29ca39e0e
12 changed files with 572 additions and 14 deletions

View File

@ -1,3 +1,8 @@
15 January 2009
* Two new commands, choose-window and choose-session which work only when bound
to a key and allow the window or session to be selected from a list.
14 January 2009
* Rework the prefix-time stuff. The option is now called repeat-time and
@ -923,7 +928,7 @@
(including mutt, emacs). No status bar yet and no key remapping or other
customisation.
$Id: CHANGES,v 1.210 2009-01-14 23:00:18 nicm Exp $
$Id: CHANGES,v 1.211 2009-01-15 19:27:31 nicm Exp $
LocalWords: showw utf UTF fulvio ciriaco joshe OSC APC gettime abc DEF OA clr
LocalWords: rivo nurges lscm Erdely eol smysession mysession ek dstname RB ms

View File

@ -1,4 +1,4 @@
# $Id: GNUmakefile,v 1.55 2009-01-14 23:08:23 nicm Exp $
# $Id: GNUmakefile,v 1.56 2009-01-15 19:27:31 nicm Exp $
.PHONY: clean
@ -35,8 +35,9 @@ SRCS= tmux.c server.c server-msg.c server-fn.c buffer.c buffer-poll.c status.c \
cmd-clock-mode.c cmd-lock-server.c cmd-set-password.c \
cmd-save-buffer.c cmd-select-pane.c cmd-split-window.c \
cmd-resize-pane-up.c cmd-resize-pane-down.c cmd-kill-pane.c \
cmd-up-pane.c cmd-down-pane.c \
cmd-up-pane.c cmd-down-pane.c cmd-choose-window.c cmd-choose-session.c \
window-clock.c window-scroll.c window-more.c window-copy.c \
window-choose.c \
options.c options-cmd.c paste.c colour.c utf8.c clock.c \
tty.c tty-term.c tty-keys.c tty-write.c

View File

@ -1,4 +1,4 @@
# $Id: Makefile,v 1.93 2009-01-14 19:56:55 nicm Exp $
# $Id: Makefile,v 1.94 2009-01-15 19:27:31 nicm Exp $
.SUFFIXES: .c .o .y .h
.PHONY: clean update-index.html upload-index.html
@ -39,8 +39,9 @@ SRCS= tmux.c server.c server-msg.c server-fn.c buffer.c buffer-poll.c status.c \
cmd-clock-mode.c cmd-lock-server.c cmd-set-password.c \
cmd-save-buffer.c cmd-select-pane.c cmd-split-window.c \
cmd-resize-pane-up.c cmd-resize-pane-down.c cmd-kill-pane.c \
cmd-up-pane.c cmd-down-pane.c \
cmd-up-pane.c cmd-down-pane.c cmd-choose-window.c cmd-choose-session.c \
window-clock.c window-scroll.c window-more.c window-copy.c \
window-choose.c \
options.c options-cmd.c paste.c colour.c utf8.c clock.c \
tty.c tty-term.c tty-keys.c tty-write.c

3
TODO
View File

@ -71,6 +71,9 @@
- fix rxvt cursor fg issue (text under cursor has non-white fg)
- key handling sucks a bit and needs to be reworked
- window selection mode a la C-a " in screen
generic choice code, then: choose-window and choose-session options
which build a list of options (name, idx), pass them choice code,
then convert the return idx back into pointer and select the item
for 0.6:
- document OPTIONS section in man page with description of new option handling

105
cmd-choose-session.c Normal file
View File

@ -0,0 +1,105 @@
/* $Id: cmd-choose-session.c,v 1.1 2009-01-15 19:27:31 nicm Exp $ */
/*
* Copyright (c) 2009 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 "tmux.h"
/*
* Enter choice mode to choose a session.
*/
void cmd_choose_session_exec(struct cmd *, struct cmd_ctx *);
void cmd_choose_session_callback(void *, int);
const struct cmd_entry cmd_choose_session_entry = {
"choose-session", NULL,
CMD_TARGET_WINDOW_USAGE,
0,
cmd_target_init,
cmd_target_parse,
cmd_choose_session_exec,
cmd_target_send,
cmd_target_recv,
cmd_target_free,
cmd_target_print
};
struct cmd_choose_session_data {
u_int client;
};
void
cmd_choose_session_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_target_data *data = self->data;
struct cmd_choose_session_data *cdata;
struct winlink *wl;
struct session *s;
u_int i, idx, cur;
if (ctx->curclient == NULL)
return;
if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
return;
if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
return;
idx = 0;
for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
s = ARRAY_ITEM(&sessions, i);
if (s == NULL)
continue;
if (s == ctx->curclient->session)
cur = idx;
idx++;
window_choose_add(wl->window->active, i,
"%s: %u windows [%ux%u]", s->name,
winlink_count(&s->windows), s->sx, s->sy);
}
cdata = xmalloc(sizeof *cdata);
cdata->client = server_client_index(ctx->curclient);
window_choose_ready(
wl->window->active, cur, cmd_choose_session_callback, cdata);
if (ctx->cmdclient != NULL)
server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
}
void
cmd_choose_session_callback(void *data, int idx)
{
struct cmd_choose_session_data *cdata = data;
struct client *c;
if (idx != -1 && cdata->client <= ARRAY_LENGTH(&clients) - 1) {
c = ARRAY_ITEM(&clients, cdata->client);
if (c != NULL && (u_int) idx <= ARRAY_LENGTH(&sessions) - 1) {
c->session = ARRAY_ITEM(&sessions, idx);
recalculate_sizes();
server_redraw_client(c);
}
}
xfree(cdata);
}

102
cmd-choose-window.c Normal file
View File

@ -0,0 +1,102 @@
/* $Id: cmd-choose-window.c,v 1.1 2009-01-15 19:27:31 nicm Exp $ */
/*
* Copyright (c) 2009 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 "tmux.h"
/*
* Enter choice mode to chosoe a window.
*/
void cmd_choose_window_exec(struct cmd *, struct cmd_ctx *);
void cmd_choose_window_callback(void *, int);
const struct cmd_entry cmd_choose_window_entry = {
"choose-window", NULL,
CMD_TARGET_WINDOW_USAGE,
0,
cmd_target_init,
cmd_target_parse,
cmd_choose_window_exec,
cmd_target_send,
cmd_target_recv,
cmd_target_free,
cmd_target_print
};
struct cmd_choose_window_data {
u_int session;
};
void
cmd_choose_window_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_target_data *data = self->data;
struct cmd_choose_window_data *cdata;
struct session *s = ctx->curclient->session;
struct winlink *wl, *wm;
struct window *w;
u_int idx, cur;
if (ctx->curclient == NULL)
return;
if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
return;
if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
return;
idx = 0;
RB_FOREACH(wm, winlinks, &s->windows) {
w = wm->window;
if (wm == s->curw)
cur = idx;
idx++;
window_choose_add(wl->window->active,
wm->idx, "%3d: %s [%ux%u]", wm->idx, w->name, w->sx, w->sy);
}
cdata = xmalloc(sizeof *cdata);
if (session_index(s, &cdata->session) != 0)
fatalx("session not found");
window_choose_ready(
wl->window->active, cur, cmd_choose_window_callback, cdata);
if (ctx->cmdclient != NULL)
server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
}
void
cmd_choose_window_callback(void *data, int idx)
{
struct cmd_choose_window_data *cdata = data;
struct session *s;
if (idx != -1 && cdata->session <= ARRAY_LENGTH(&sessions) - 1) {
s = ARRAY_ITEM(&sessions, cdata->session);
if (s != NULL && session_select(s, idx) != -1)
server_redraw_session(s);
}
xfree(cdata);
}

4
cmd.c
View File

@ -1,4 +1,4 @@
/* $Id: cmd.c,v 1.78 2009-01-14 19:56:55 nicm Exp $ */
/* $Id: cmd.c,v 1.79 2009-01-15 19:27:31 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -28,6 +28,8 @@
const struct cmd_entry *cmd_table[] = {
&cmd_attach_session_entry,
&cmd_bind_key_entry,
&cmd_choose_session_entry,
&cmd_choose_window_entry,
&cmd_clock_mode_entry,
&cmd_command_prompt_entry,
&cmd_copy_mode_entry,

View File

@ -1,4 +1,4 @@
/* $Id: key-bindings.c,v 1.51 2009-01-14 22:14:51 nicm Exp $ */
/* $Id: key-bindings.c,v 1.52 2009-01-15 19:27:31 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -105,9 +105,9 @@ key_bindings_init(void)
{ 'o', &cmd_down_pane_entry },
{ 'p', &cmd_previous_window_entry },
{ 'r', &cmd_refresh_client_entry },
{ 's', &cmd_list_sessions_entry },
{ 's', &cmd_choose_session_entry },
{ 't', &cmd_clock_mode_entry },
{ 'w', &cmd_list_windows_entry },
{ 'w', &cmd_choose_window_entry },
{ 'x', &cmd_kill_pane_entry, },
{ KEYC_UP, &cmd_up_pane_entry },
{ KEYC_DOWN, &cmd_down_pane_entry },

View File

@ -1,4 +1,4 @@
/* $Id: mode-key.c,v 1.5 2009-01-09 16:45:58 nicm Exp $ */
/* $Id: mode-key.c,v 1.6 2009-01-15 19:27:31 nicm Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@ -32,6 +32,7 @@ const struct mode_key_entry mode_key_table_vi[] = {
{ MODEKEY_COPYSEL, '\r' },
{ MODEKEY_DOWN, 'j' },
{ MODEKEY_DOWN, KEYC_DOWN },
{ MODEKEY_ENTER, '\r' },
{ MODEKEY_EOL, '$' },
{ MODEKEY_LEFT, 'h' },
{ MODEKEY_LEFT, KEYC_LEFT },
@ -55,6 +56,7 @@ const struct mode_key_entry mode_key_table_emacs[] = {
{ MODEKEY_COPYSEL, '\027' },
{ MODEKEY_COPYSEL, KEYC_ADDESC('w') },
{ MODEKEY_DOWN, KEYC_DOWN },
{ MODEKEY_ENTER, '\r' },
{ MODEKEY_EOL, '\005' },
{ MODEKEY_LEFT, '\002' },
{ MODEKEY_LEFT, KEYC_LEFT },

View File

@ -1,4 +1,4 @@
/* $Id: server.c,v 1.102 2009-01-14 22:29:28 nicm Exp $ */
/* $Id: server.c,v 1.103 2009-01-15 19:27:31 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -58,6 +58,18 @@ void server_check_timers(struct client *);
void server_second_timers(void);
int server_update_socket(const char *);
int
server_client_index(struct client *c)
{
u_int i;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
if (c == ARRAY_ITEM(&clients, i))
return (i);
}
return (-1);
}
/* Fork new server. */
int
server_start(const char *path)
@ -645,7 +657,7 @@ server_handle_client(struct client *c)
/* Dispatch the command. */
key_bindings_dispatch(bd, c);
}
}
wp = wl->window->active; /* could die - reset again */
/* Ensure the cursor is in the right place and correctly on or off. */

17
tmux.h
View File

@ -1,4 +1,4 @@
/* $Id: tmux.h,v 1.234 2009-01-14 22:16:57 nicm Exp $ */
/* $Id: tmux.h,v 1.235 2009-01-15 19:27:31 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -19,7 +19,7 @@
#ifndef TMUX_H
#define TMUX_H
#define PROTOCOL_VERSION -7
#define PROTOCOL_VERSION -8
/* Shut up gcc warnings about empty if bodies. */
#define RB_AUGMENT(x) do {} while (0)
@ -904,6 +904,7 @@ enum mode_key {
MODEKEY_CLEARSEL,
MODEKEY_COPYSEL,
MODEKEY_DOWN,
MODEKEY_ENTER,
MODEKEY_EOL,
MODEKEY_LEFT,
MODEKEY_NONE,
@ -1082,6 +1083,8 @@ struct winlink *cmd_find_window(
extern const struct cmd_entry *cmd_table[];
extern const struct cmd_entry cmd_attach_session_entry;
extern const struct cmd_entry cmd_bind_key_entry;
extern const struct cmd_entry cmd_choose_session_entry;
extern const struct cmd_entry cmd_choose_window_entry;
extern const struct cmd_entry cmd_clock_mode_entry;
extern const struct cmd_entry cmd_command_prompt_entry;
extern const struct cmd_entry cmd_copy_mode_entry;
@ -1227,6 +1230,7 @@ const char *key_string_lookup_key(int);
/* server.c */
extern struct clients clients;
int server_client_index(struct client *);
int server_start(const char *);
/* server-msg.c */
@ -1428,6 +1432,15 @@ extern const struct window_mode window_more_mode;
void window_more_vadd(struct window_pane *, const char *, va_list);
void printflike2 window_more_add(struct window_pane *, const char *, ...);
/* window-choose.c */
extern const struct window_mode window_choose_mode;
void window_choose_vadd(
struct window_pane *, int, const char *, va_list);
void printflike3 window_choose_add(
struct window_pane *, int, const char *, ...);
void window_choose_ready(struct window_pane *,
u_int, void (*)(void *, int), void *);
/* session.c */
extern struct sessions sessions;
void session_alert_add(struct session *, struct window *, int);

312
window-choose.c Normal file
View File

@ -0,0 +1,312 @@
/* $Id: window-choose.c,v 1.1 2009-01-15 19:27:31 nicm Exp $ */
/*
* Copyright (c) 2009 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 <string.h>
#include "tmux.h"
struct screen *window_choose_init(struct window_pane *);
void window_choose_free(struct window_pane *);
void window_choose_resize(struct window_pane *, u_int, u_int);
void window_choose_key(struct window_pane *, struct client *, int);
void window_choose_redraw_screen(struct window_pane *);
void window_choose_write_line(
struct window_pane *, struct screen_write_ctx *, u_int);
void window_choose_scroll_up(struct window_pane *);
void window_choose_scroll_down(struct window_pane *);
const struct window_mode window_choose_mode = {
window_choose_init,
window_choose_free,
window_choose_resize,
window_choose_key,
NULL
};
struct window_choose_mode_item {
char *name;
int idx;
};
struct window_choose_mode_data {
struct screen screen;
ARRAY_DECL(, struct window_choose_mode_item) list;
u_int top;
u_int selected;
void (*callback)(void *, int);
void *data;
};
void
window_choose_vadd(struct window_pane *wp, int idx, const char *fmt, va_list ap)
{
struct window_choose_mode_data *data = wp->modedata;
struct window_choose_mode_item *item;
ARRAY_EXPAND(&data->list, 1);
item = &ARRAY_LAST(&data->list);
xvasprintf(&item->name, fmt, ap);
item->idx = idx;
}
void printflike3
window_choose_add(struct window_pane *wp, int idx, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
window_choose_vadd(wp, idx, fmt, ap);
va_end(ap);
}
void
window_choose_ready(struct window_pane *wp,
u_int cur, void (*callback)(void *, int), void *cdata)
{
struct window_choose_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
data->selected = cur;
if (data->selected > screen_size_y(s) - 1)
data->top = ARRAY_LENGTH(&data->list) - screen_size_y(s);
data->callback = callback;
data->data = cdata;
window_choose_redraw_screen(wp);
}
struct screen *
window_choose_init(struct window_pane *wp)
{
struct window_choose_mode_data *data;
struct screen *s;
wp->modedata = data = xmalloc(sizeof *data);
data->callback = NULL;
ARRAY_INIT(&data->list);
data->top = 0;
s = &data->screen;
screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
s->mode &= ~MODE_CURSOR;
return (s);
}
void
window_choose_free(struct window_pane *wp)
{
struct window_choose_mode_data *data = wp->modedata;
u_int i;
for (i = 0; i < ARRAY_LENGTH(&data->list); i++)
xfree(ARRAY_ITEM(&data->list, i).name);
ARRAY_FREE(&data->list);
screen_free(&data->screen);
xfree(data);
}
void
window_choose_resize(struct window_pane *wp, u_int sx, u_int sy)
{
struct window_choose_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
data->top = 0;
if (data->selected > sy - 1)
data->top = data->selected - (sy - 1);
screen_resize(s, sx, sy);
window_choose_redraw_screen(wp);
}
void
window_choose_key(struct window_pane *wp, unused struct client *c, int key)
{
struct window_choose_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
int table;
u_int items;
items = ARRAY_LENGTH(&data->list);
table = options_get_number(&wp->window->options, "mode-keys");
switch (mode_key_lookup(table, key)) {
case MODEKEY_QUIT:
data->callback(data->data, -1);
window_pane_reset_mode(wp);
break;
case MODEKEY_ENTER:
data->callback(data->data, data->selected);
window_pane_reset_mode(wp);
break;
case MODEKEY_UP:
if (items == 0)
break;
if (data->selected == 0) {
data->selected = items - 1;
if (data->selected > screen_size_y(s) - 1)
data->top = items - screen_size_y(s);
window_choose_redraw_screen(wp);
break;
}
data->selected--;
if (data->selected < data->top)
window_choose_scroll_up(wp);
else {
screen_write_start(&ctx, wp, NULL);
window_choose_write_line(
wp, &ctx, data->selected - data->top);
window_choose_write_line(
wp, &ctx, data->selected + 1 - data->top);
screen_write_stop(&ctx);
}
break;
case MODEKEY_DOWN:
if (items == 0)
break;
if (data->selected == items - 1) {
data->selected = 0;
if (data->top != 0)
data->top = 0;
window_choose_redraw_screen(wp);
break;
}
data->selected++;
if (data->selected >= data->top + screen_size_y(&data->screen))
window_choose_scroll_down(wp);
else {
screen_write_start(&ctx, wp, NULL);
window_choose_write_line(
wp, &ctx, data->selected - data->top);
window_choose_write_line(
wp, &ctx, data->selected - 1 - data->top);
screen_write_stop(&ctx);
}
break;
case MODEKEY_PPAGE:
if (data->top < screen_size_y(s))
data->top = 0;
else
data->top -= screen_size_y(s);
window_choose_redraw_screen(wp);
break;
case MODEKEY_NONE:
if (key != ' ')
break;
/* FALLTHROUGH */
case MODEKEY_NPAGE:
if (data->top + screen_size_y(s) > ARRAY_LENGTH(&data->list))
data->top = ARRAY_LENGTH(&data->list);
else
data->top += screen_size_y(s);
window_choose_redraw_screen(wp);
break;
}
}
void
window_choose_write_line(
struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
{
struct window_choose_mode_data *data = wp->modedata;
struct window_choose_mode_item *item;
struct screen *s = &data->screen;
struct grid_cell gc;
if (data->callback == NULL)
fatalx("called before callback assigned");
memcpy(&gc, &grid_default_cell, sizeof gc);
if (data->selected == data->top + py) {
gc.fg = options_get_number(&wp->window->options, "mode-fg");
gc.bg = options_get_number(&wp->window->options, "mode-bg");
}
screen_write_cursormove(ctx, 0, py);
if (data->top + py < ARRAY_LENGTH(&data->list)) {
item = &ARRAY_ITEM(&data->list, data->top + py);
screen_write_puts(
ctx, &gc, "%.*s", (int) screen_size_x(s), item->name);
}
while (s->cx < screen_size_x(s))
screen_write_putc(ctx, &gc, ' ');
}
void
window_choose_redraw_screen(struct window_pane *wp)
{
struct window_choose_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
u_int i;
screen_write_start(&ctx, wp, NULL);
for (i = 0; i < screen_size_y(s); i++)
window_choose_write_line(wp, &ctx, i);
screen_write_stop(&ctx);
}
void
window_choose_scroll_up(struct window_pane *wp)
{
struct window_choose_mode_data *data = wp->modedata;
struct screen_write_ctx ctx;
if (data->top == 0)
return;
data->top--;
screen_write_start(&ctx, wp, NULL);
screen_write_cursormove(&ctx, 0, 0);
screen_write_insertline(&ctx, 1);
window_choose_write_line(wp, &ctx, 0);
if (screen_size_y(&data->screen) > 1)
window_choose_write_line(wp, &ctx, 1);
screen_write_stop(&ctx);
}
void
window_choose_scroll_down(struct window_pane *wp)
{
struct window_choose_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
if (data->top >= ARRAY_LENGTH(&data->list))
return;
data->top++;
screen_write_start(&ctx, wp, NULL);
screen_write_cursormove(&ctx, 0, 0);
screen_write_deleteline(&ctx, 1);
window_choose_write_line(wp, &ctx, screen_size_y(s) - 1);
if (screen_size_y(&data->screen) > 1)
window_choose_write_line(wp, &ctx, screen_size_y(s) - 2);
screen_write_stop(&ctx);
}