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

 /* $Id: window-choose.c,v 1.7 2009-01-27 20:22:33 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;
 	struct window_choose_mode_item	*item;
 	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:
 		item = &ARRAY_ITEM(&data->list, data->selected);
 		data->callback(data->data, item->idx);
 		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;
 			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->selected < screen_size_y(s)) {
 			data->selected = 0;
 			data->top = 0;
 		} else {
 			data->selected -= screen_size_y(s);
 			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:
 		data->selected += screen_size_y(s);
 		if (data->selected > items - 1)
 			data->selected = items - 1;
 		data->top += screen_size_y(s);
 		if (data->top + screen_size_y(s) - 1 > data->selected) {
 			if (items < screen_size_y(s) - 1)
 				data->top = 0;
 			else
 				data->top = items - screen_size_y(s);
 		}
 		window_choose_redraw_screen(wp);
 		break;
 	default:
 		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-bg");
 		gc.bg = options_get_number(&wp->window->options, "mode-fg");
 		gc.attr |= options_get_number(&wp->window->options, "mode-attr");
 	}

 	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);
 }
	/* $Id: window-choose.c,v 1.7 2009-01-27 20:22:33 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;
	struct window_choose_mode_item *item;
	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:
	item = &ARRAY_ITEM(&data->list, data->selected);
	data->callback(data->data, item->idx);
	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;
	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->selected < screen_size_y(s)) {
	data->selected = 0;
	data->top = 0;
	} else {
	data->selected -= screen_size_y(s);
	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:
	data->selected += screen_size_y(s);
	if (data->selected > items - 1)
	data->selected = items - 1;
	data->top += screen_size_y(s);
	if (data->top + screen_size_y(s) - 1 > data->selected) {
	if (items < screen_size_y(s) - 1)
	data->top = 0;
	else
	data->top = items - screen_size_y(s);
	}
	window_choose_redraw_screen(wp);
	break;
	default:
	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-bg");
	gc.bg = options_get_number(&wp->window->options, "mode-fg");
	gc.attr \|= options_get_number(&wp->window->options, "mode-attr");
	}

	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);
	}