/tags/TMUX_1_2/window-choose.c
C | 457 lines | 377 code | 62 blank | 18 comment | 78 complexity | 59e8e419cc04dc98cce008b7f223175d MD5 | raw file
- /* $Id: window-choose.c,v 1.29 2010-02-02 23:55:21 tcunha 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_mouse(
- struct window_pane *, struct client *, struct mouse_event *);
- 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,
- window_choose_mouse,
- NULL,
- };
- struct window_choose_mode_item {
- char *name;
- int idx;
- };
- struct window_choose_mode_data {
- struct screen screen;
- struct mode_key_data mdata;
- ARRAY_DECL(, struct window_choose_mode_item) list;
- u_int top;
- u_int selected;
- void (*callbackfn)(void *, int);
- void (*freefn)(void *);
- void *data;
- };
- int window_choose_key_index(struct window_choose_mode_data *, u_int);
- int window_choose_index_key(struct window_choose_mode_data *, int);
- 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 (*callbackfn)(void *, int), void (*freefn)(void *), 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->callbackfn = callbackfn;
- data->freefn = freefn;
- 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;
- int keys;
- wp->modedata = data = xmalloc(sizeof *data);
- data->callbackfn = NULL;
- data->freefn = NULL;
- data->data = 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;
- if (options_get_number(&wp->window->options, "mode-mouse"))
- s->mode |= MODE_MOUSE;
- keys = options_get_number(&wp->window->options, "mode-keys");
- if (keys == MODEKEY_EMACS)
- mode_key_init(&data->mdata, &mode_key_tree_emacs_choice);
- else
- mode_key_init(&data->mdata, &mode_key_tree_vi_choice);
- return (s);
- }
- void
- window_choose_free(struct window_pane *wp)
- {
- struct window_choose_mode_data *data = wp->modedata;
- u_int i;
- if (data->freefn != NULL && data->data != NULL)
- data->freefn(data->data);
- 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);
- }
- /* ARGSUSED */
- 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;
- u_int items;
- int idx;
- items = ARRAY_LENGTH(&data->list);
- switch (mode_key_lookup(&data->mdata, key)) {
- case MODEKEYCHOICE_CANCEL:
- data->callbackfn(data->data, -1);
- window_pane_reset_mode(wp);
- break;
- case MODEKEYCHOICE_CHOOSE:
- item = &ARRAY_ITEM(&data->list, data->selected);
- data->callbackfn(data->data, item->idx);
- window_pane_reset_mode(wp);
- break;
- case MODEKEYCHOICE_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 MODEKEYCHOICE_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(s)) {
- 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);
- } else
- window_choose_scroll_down(wp);
- break;
- case MODEKEYCHOICE_SCROLLUP:
- if (items == 0 || data->top == 0)
- break;
- if (data->selected == data->top + screen_size_y(s) - 1) {
- data->selected--;
- window_choose_scroll_up(wp);
- screen_write_start(&ctx, wp, NULL);
- window_choose_write_line(
- wp, &ctx, screen_size_y(s) - 1);
- screen_write_stop(&ctx);
- } else
- window_choose_scroll_up(wp);
- break;
- case MODEKEYCHOICE_SCROLLDOWN:
- if (items == 0 ||
- data->top + screen_size_y(&data->screen) >= items)
- break;
- if (data->selected == data->top) {
- data->selected++;
- window_choose_scroll_down(wp);
- screen_write_start(&ctx, wp, NULL);
- window_choose_write_line(wp, &ctx, 0);
- screen_write_stop(&ctx);
- } else
- window_choose_scroll_down(wp);
- break;
- case MODEKEYCHOICE_PAGEUP:
- 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 MODEKEYCHOICE_PAGEDOWN:
- data->selected += screen_size_y(s);
- if (data->selected > items - 1)
- data->selected = items - 1;
- data->top += screen_size_y(s);
- if (screen_size_y(s) < items) {
- if (data->top + screen_size_y(s) > items)
- data->top = items - screen_size_y(s);
- } else
- data->top = 0;
- if (data->selected < data->top)
- data->top = data->selected;
- window_choose_redraw_screen(wp);
- break;
- default:
- idx = window_choose_index_key(data, key);
- if (idx < 0 || (u_int) idx >= ARRAY_LENGTH(&data->list))
- break;
- data->selected = idx;
- item = &ARRAY_ITEM(&data->list, data->selected);
- data->callbackfn(data->data, item->idx);
- window_pane_reset_mode(wp);
- break;
- }
- }
- /* ARGSUSED */
- void
- window_choose_mouse(
- struct window_pane *wp, unused struct client *c, struct mouse_event *m)
- {
- struct window_choose_mode_data *data = wp->modedata;
- struct screen *s = &data->screen;
- struct window_choose_mode_item *item;
- u_int idx;
- if ((m->b & 3) == 3)
- return;
- if (m->x >= screen_size_x(s))
- return;
- if (m->y >= screen_size_y(s))
- return;
- idx = data->top + m->y;
- if (idx >= ARRAY_LENGTH(&data->list))
- return;
- data->selected = idx;
- item = &ARRAY_ITEM(&data->list, data->selected);
- data->callbackfn(data->data, item->idx);
- window_pane_reset_mode(wp);
- }
- 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 options *oo = &wp->window->options;
- struct screen *s = &data->screen;
- struct grid_cell gc;
- int utf8flag, key;
- if (data->callbackfn == NULL)
- fatalx("called before callback assigned");
- utf8flag = options_get_number(&wp->window->options, "utf8");
- memcpy(&gc, &grid_default_cell, sizeof gc);
- if (data->selected == data->top + py) {
- colour_set_fg(&gc, options_get_number(oo, "mode-fg"));
- colour_set_bg(&gc, options_get_number(oo, "mode-bg"));
- gc.attr |= options_get_number(oo, "mode-attr");
- }
- screen_write_cursormove(ctx, 0, py);
- if (data->top + py < ARRAY_LENGTH(&data->list)) {
- item = &ARRAY_ITEM(&data->list, data->top + py);
- key = window_choose_key_index(data, data->top + py);
- if (key != -1) {
- screen_write_nputs(ctx, screen_size_x(s) - 1,
- &gc, utf8flag, "(%c) %s", key, item->name);
- } else {
- screen_write_nputs(ctx, screen_size_x(s) - 1,
- &gc, utf8flag, " %s", item->name);
- }
- }
- while (s->cx < screen_size_x(s))
- screen_write_putc(ctx, &gc, ' ');
- }
- int
- window_choose_key_index(struct window_choose_mode_data *data, u_int idx)
- {
- static const char keys[] = "0123456789abcdefghijklmnopqrstuvwxyz";
- const char *ptr;
- int mkey;
- for (ptr = keys; *ptr != '\0'; ptr++) {
- mkey = mode_key_lookup(&data->mdata, *ptr);
- if (mkey != MODEKEY_NONE && mkey != MODEKEY_OTHER)
- continue;
- if (idx-- == 0)
- return (*ptr);
- }
- return (-1);
- }
- int
- window_choose_index_key(struct window_choose_mode_data *data, int key)
- {
- static const char keys[] = "0123456789abcdefghijklmnopqrstuvwxyz";
- const char *ptr;
- int mkey;
- u_int idx = 0;
- for (ptr = keys; *ptr != '\0'; ptr++) {
- mkey = mode_key_lookup(&data->mdata, *ptr);
- if (mkey != MODEKEY_NONE && mkey != MODEKEY_OTHER)
- continue;
- if (key == *ptr)
- return (idx);
- idx++;
- }
- return (-1);
- }
- 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);
- }