window-more.c - tmux - Rivoreo Source Code Repositories

 /* $Id: window-more.c,v 1.4 2007-11-22 18:09:43 nicm Exp $ */

 /*
  * Copyright (c) 2007 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"

 void	window_more_init(struct window *);
 void	window_more_resize(struct window *, u_int, u_int);
 void	window_more_draw(struct window *, struct buffer *, u_int, u_int);
 void	window_more_key(struct window *, int);

 void	window_more_draw_position(struct window *, struct screen_draw_ctx *);
 void	window_more_draw_line(struct window *, struct screen_draw_ctx *, u_int);

 void	window_more_up_1(struct window *);
 void	window_more_down_1(struct window *);

 const struct window_mode window_more_mode = {
 	window_more_init,
 	window_more_resize,
 	window_more_draw,
 	window_more_key
 };

 struct window_more_mode_data {
 	ARRAY_DECL(, char *)	list;
 	u_int			top;
 };

 void
 window_more_vadd(struct window *w, const char *fmt, va_list ap)
 {
 	struct window_more_mode_data	*data = w->modedata;
 	char   				*s;

 	xvasprintf(&s, fmt, ap);
 	ARRAY_ADD(&data->list, s);
 }

 void
 window_more_add(struct window *w, const char *fmt, ...)
 {
 	va_list	ap;

 	va_start(ap, fmt);
 	window_more_vadd(w, fmt, ap);
 	va_end(ap);
 }

 void
 window_more_init(struct window *w)
 {
 	struct window_more_mode_data	*data;

 	w->modedata = data = xmalloc(sizeof *data);
 	ARRAY_INIT(&data->list);
 	data->top = 0;

 	w->screen.mode |= MODE_BACKGROUND;
 	w->screen.mode &= ~MODE_BGCURSOR;
 }

 void
 window_more_resize(unused struct window *w, unused u_int sx, unused u_int sy)
 {
 }

 void
 window_more_draw_position(struct window *w, struct screen_draw_ctx *ctx)
 {
 	struct window_more_mode_data	*data = w->modedata;
 	char				*ptr, buf[32];
 	size_t	 			 len;
 	char				*line;
 	size_t				 n;


 	len = xsnprintf(
 	    buf, sizeof buf, "[%u/%u]", data->top, ARRAY_LENGTH(&data->list));
 	if (len <= screen_size_x(ctx->s))
 		ptr = buf;
 	else {
 		ptr = buf + len - screen_size_x(ctx->s);
 		len -= len - screen_size_x(ctx->s);
 	}

 	screen_draw_move(ctx, 0, 0);

 	if (data->top < ARRAY_LENGTH(&data->list)) {
 		line = ARRAY_ITEM(&data->list, data->top);
 		n = strlen(line);
 		if (n > screen_size_x(ctx->s) - len)
 			n = screen_size_x(ctx->s) - len;
 		buffer_write(ctx->b, line, n);
 	} else
 		n = 0;
 	for (; n < screen_size_x(ctx->s) - len; n++)
 		input_store8(ctx->b, SCREEN_DEFDATA);

 	screen_draw_move(ctx, screen_size_x(ctx->s) - len, 0);
 	screen_draw_set_attributes(ctx, 0, status_colour);
 	buffer_write(ctx->b, buf, len);
 }

 void
 window_more_draw_line(struct window *w, struct screen_draw_ctx *ctx, u_int py)
 {
 	struct window_more_mode_data	*data = w->modedata;
 	char				*line;
 	size_t				 n;
 	u_int				 p;

 	screen_draw_move(ctx, 0, py);
 	screen_draw_set_attributes(ctx, SCREEN_DEFATTR, SCREEN_DEFCOLR);

 	p = data->top + py;
 	if (p >= ARRAY_LENGTH(&data->list)) {
 		input_store_zero(ctx->b, CODE_CLEARLINE);
 		return;
 	}

 	line = ARRAY_ITEM(&data->list, p);
 	n = strlen(line);
 	if (n > screen_size_x(ctx->s))
 		n = screen_size_x(ctx->s);
 	buffer_write(ctx->b, line, n);
 	for (; n < screen_size_x(ctx->s); n++)
 		input_store8(ctx->b, SCREEN_DEFDATA);
 }

 void
 window_more_draw(struct window *w, struct buffer *b, u_int py, u_int ny)
 {
 	struct screen			*s = &w->screen;
 	struct screen_draw_ctx		 ctx;
 	u_int				 i;

 	screen_draw_start(&ctx, s, b, 0, 0);

 	for (i = py; i < py + ny; i++) {
 		if (i == 0)
 			continue;
 		window_more_draw_line(w, &ctx, i);
 	}
 	if (py == 0)
 		window_more_draw_position(w, &ctx);

 	screen_draw_stop(&ctx);
 }

 void
 window_more_key(struct window *w, int key)
 {
 	struct window_more_mode_data	*data = w->modedata;
 	u_int				 top, sy, i;

 	sy = screen_size_y(&w->screen);

 	top = data->top;

 	switch (key) {
 	case 'Q':
 	case 'q':
 		for (i = 0; i < ARRAY_LENGTH(&data->list); i++)
 			xfree(ARRAY_ITEM(&data->list, i));
 		ARRAY_FREE(&data->list);

 		w->mode = NULL;
 		xfree(w->modedata);

 		w->screen.mode &= ~MODE_BACKGROUND;

 		recalculate_sizes();
 		server_redraw_window_all(w);
 		return;
 	case 'k':
 	case 'K':
 	case KEYC_UP:
 		window_more_up_1(w);
 		return;
 	case 'j':
 	case 'J':
 	case KEYC_DOWN:
 		window_more_down_1(w);
 		return;
 	case '\025':	/* C-u */
 	case KEYC_PPAGE:
 		if (data->top < sy)
 			data->top = 0;
 		else
 			data->top -= sy;
 		break;
 	case '\006':	/* C-f */
 	case KEYC_NPAGE:
 		if (data->top + sy > ARRAY_LENGTH(&data->list))
 			data->top = ARRAY_LENGTH(&data->list);
 		else
 			data->top += sy;
 		break;
 	}
 	if (top != data->top)
 		server_redraw_window_all(w);
 }

 void
 window_more_up_1(struct window *w)
 {
 	struct window_more_mode_data	*data = w->modedata;
 	struct screen			*s = &w->screen;
 	struct screen_draw_ctx		 ctx;
 	struct client			*c;
 	u_int		 		 i;
 	struct hdr			 hdr;
 	size_t				 size;

 	if (data->top == 0)
 		return;
 	data->top--;

 	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);

 		screen_draw_start(&ctx, s, c->out, 0, 0);
 		screen_draw_move(&ctx, 0, 0);
 		input_store_one(c->out, CODE_INSERTLINE, 1);
 		window_more_draw_position(w, &ctx);
 		window_more_draw_line(w, &ctx, 1);
 		screen_draw_stop(&ctx);

 		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_more_down_1(struct window *w)
 {
 	struct window_more_mode_data	*data = w->modedata;
 	struct screen			*s = &w->screen;
 	struct screen_draw_ctx		 ctx;
 	struct client			*c;
 	u_int		 		 i;
 	struct hdr			 hdr;
 	size_t				 size;

 	if (data->top >= ARRAY_LENGTH(&data->list))
 		return;
 	data->top++;

 	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);

 		screen_draw_start(&ctx, s, c->out, 0, 0);
 		screen_draw_move(&ctx, 0, 0);
 		input_store_one(c->out, CODE_DELETELINE, 1);
 		window_more_draw_line(w, &ctx, screen_last_y(s));
 		window_more_draw_position(w, &ctx);
 		screen_draw_stop(&ctx);

 		size = BUFFER_USED(c->out) - size;
 		hdr.type = MSG_DATA;
 		hdr.size = size;
 		memcpy(BUFFER_IN(c->out) - size - sizeof hdr, &hdr, sizeof hdr);
 	}
 }
	/* $Id: window-more.c,v 1.4 2007-11-22 18:09:43 nicm Exp $ */

	/*
	* Copyright (c) 2007 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"

	void window_more_init(struct window *);
	void window_more_resize(struct window *, u_int, u_int);
	void window_more_draw(struct window , struct buffer , u_int, u_int);
	void window_more_key(struct window *, int);

	void window_more_draw_position(struct window , struct screen_draw_ctx );
	void window_more_draw_line(struct window , struct screen_draw_ctx , u_int);

	void window_more_up_1(struct window *);
	void window_more_down_1(struct window *);

	const struct window_mode window_more_mode = {
	window_more_init,
	window_more_resize,
	window_more_draw,
	window_more_key
	};

	struct window_more_mode_data {
	ARRAY_DECL(, char *) list;
	u_int top;
	};

	void
	window_more_vadd(struct window w, const char fmt, va_list ap)
	{
	struct window_more_mode_data *data = w->modedata;
	char *s;

	xvasprintf(&s, fmt, ap);
	ARRAY_ADD(&data->list, s);
	}

	void
	window_more_add(struct window w, const char fmt, ...)
	{
	va_list ap;

	va_start(ap, fmt);
	window_more_vadd(w, fmt, ap);
	va_end(ap);
	}

	void
	window_more_init(struct window *w)
	{
	struct window_more_mode_data *data;

	w->modedata = data = xmalloc(sizeof *data);
	ARRAY_INIT(&data->list);
	data->top = 0;

	w->screen.mode \|= MODE_BACKGROUND;
	w->screen.mode &= ~MODE_BGCURSOR;
	}

	void
	window_more_resize(unused struct window *w, unused u_int sx, unused u_int sy)
	{
	}

	void
	window_more_draw_position(struct window w, struct screen_draw_ctx ctx)
	{
	struct window_more_mode_data *data = w->modedata;
	char *ptr, buf[32];
	size_t len;
	char *line;
	size_t n;


	len = xsnprintf(
	buf, sizeof buf, "[%u/%u]", data->top, ARRAY_LENGTH(&data->list));
	if (len <= screen_size_x(ctx->s))
	ptr = buf;
	else {
	ptr = buf + len - screen_size_x(ctx->s);
	len -= len - screen_size_x(ctx->s);
	}

	screen_draw_move(ctx, 0, 0);

	if (data->top < ARRAY_LENGTH(&data->list)) {
	line = ARRAY_ITEM(&data->list, data->top);
	n = strlen(line);
	if (n > screen_size_x(ctx->s) - len)
	n = screen_size_x(ctx->s) - len;
	buffer_write(ctx->b, line, n);
	} else
	n = 0;
	for (; n < screen_size_x(ctx->s) - len; n++)
	input_store8(ctx->b, SCREEN_DEFDATA);

	screen_draw_move(ctx, screen_size_x(ctx->s) - len, 0);
	screen_draw_set_attributes(ctx, 0, status_colour);
	buffer_write(ctx->b, buf, len);
	}

	void
	window_more_draw_line(struct window w, struct screen_draw_ctx ctx, u_int py)
	{
	struct window_more_mode_data *data = w->modedata;
	char *line;
	size_t n;
	u_int p;

	screen_draw_move(ctx, 0, py);
	screen_draw_set_attributes(ctx, SCREEN_DEFATTR, SCREEN_DEFCOLR);

	p = data->top + py;
	if (p >= ARRAY_LENGTH(&data->list)) {
	input_store_zero(ctx->b, CODE_CLEARLINE);
	return;
	}

	line = ARRAY_ITEM(&data->list, p);
	n = strlen(line);
	if (n > screen_size_x(ctx->s))
	n = screen_size_x(ctx->s);
	buffer_write(ctx->b, line, n);
	for (; n < screen_size_x(ctx->s); n++)
	input_store8(ctx->b, SCREEN_DEFDATA);
	}

	void
	window_more_draw(struct window w, struct buffer b, u_int py, u_int ny)
	{
	struct screen *s = &w->screen;
	struct screen_draw_ctx ctx;
	u_int i;

	screen_draw_start(&ctx, s, b, 0, 0);

	for (i = py; i < py + ny; i++) {
	if (i == 0)
	continue;
	window_more_draw_line(w, &ctx, i);
	}
	if (py == 0)
	window_more_draw_position(w, &ctx);

	screen_draw_stop(&ctx);
	}

	void
	window_more_key(struct window *w, int key)
	{
	struct window_more_mode_data *data = w->modedata;
	u_int top, sy, i;

	sy = screen_size_y(&w->screen);

	top = data->top;

	switch (key) {
	case 'Q':
	case 'q':
	for (i = 0; i < ARRAY_LENGTH(&data->list); i++)
	xfree(ARRAY_ITEM(&data->list, i));
	ARRAY_FREE(&data->list);

	w->mode = NULL;
	xfree(w->modedata);

	w->screen.mode &= ~MODE_BACKGROUND;

	recalculate_sizes();
	server_redraw_window_all(w);
	return;
	case 'k':
	case 'K':
	case KEYC_UP:
	window_more_up_1(w);
	return;
	case 'j':
	case 'J':
	case KEYC_DOWN:
	window_more_down_1(w);
	return;
	case '\025': /* C-u */
	case KEYC_PPAGE:
	if (data->top < sy)
	data->top = 0;
	else
	data->top -= sy;
	break;
	case '\006': /* C-f */
	case KEYC_NPAGE:
	if (data->top + sy > ARRAY_LENGTH(&data->list))
	data->top = ARRAY_LENGTH(&data->list);
	else
	data->top += sy;
	break;
	}
	if (top != data->top)
	server_redraw_window_all(w);
	}

	void
	window_more_up_1(struct window *w)
	{
	struct window_more_mode_data *data = w->modedata;
	struct screen *s = &w->screen;
	struct screen_draw_ctx ctx;
	struct client *c;
	u_int i;
	struct hdr hdr;
	size_t size;

	if (data->top == 0)
	return;
	data->top--;

	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);

	screen_draw_start(&ctx, s, c->out, 0, 0);
	screen_draw_move(&ctx, 0, 0);
	input_store_one(c->out, CODE_INSERTLINE, 1);
	window_more_draw_position(w, &ctx);
	window_more_draw_line(w, &ctx, 1);
	screen_draw_stop(&ctx);

	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_more_down_1(struct window *w)
	{
	struct window_more_mode_data *data = w->modedata;
	struct screen *s = &w->screen;
	struct screen_draw_ctx ctx;
	struct client *c;
	u_int i;
	struct hdr hdr;
	size_t size;

	if (data->top >= ARRAY_LENGTH(&data->list))
	return;
	data->top++;

	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);

	screen_draw_start(&ctx, s, c->out, 0, 0);
	screen_draw_move(&ctx, 0, 0);
	input_store_one(c->out, CODE_DELETELINE, 1);
	window_more_draw_line(w, &ctx, screen_last_y(s));
	window_more_draw_position(w, &ctx);
	screen_draw_stop(&ctx);

	size = BUFFER_USED(c->out) - size;
	hdr.type = MSG_DATA;
	hdr.size = size;
	memcpy(BUFFER_IN(c->out) - size - sizeof hdr, &hdr, sizeof hdr);
	}
	}