Annotation of src/usr.bin/tmux/window-choose.c, Revision 1.11
1.11 ! nicm 1: /* $OpenBSD: window-choose.c,v 1.10 2009/10/11 07:01:10 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20:
21: #include <string.h>
22:
23: #include "tmux.h"
24:
25: struct screen *window_choose_init(struct window_pane *);
26: void window_choose_free(struct window_pane *);
27: void window_choose_resize(struct window_pane *, u_int, u_int);
28: void window_choose_key(struct window_pane *, struct client *, int);
29: void window_choose_mouse(
1.10 nicm 30: struct window_pane *, struct client *, struct mouse_event *);
1.1 nicm 31:
32: void window_choose_redraw_screen(struct window_pane *);
33: void window_choose_write_line(
34: struct window_pane *, struct screen_write_ctx *, u_int);
35:
36: void window_choose_scroll_up(struct window_pane *);
37: void window_choose_scroll_down(struct window_pane *);
38:
39: const struct window_mode window_choose_mode = {
40: window_choose_init,
41: window_choose_free,
42: window_choose_resize,
43: window_choose_key,
44: window_choose_mouse,
45: NULL,
46: };
47:
48: struct window_choose_mode_item {
49: char *name;
50: int idx;
51: };
52:
53: struct window_choose_mode_data {
54: struct screen screen;
55:
56: struct mode_key_data mdata;
57:
58: ARRAY_DECL(, struct window_choose_mode_item) list;
59: u_int top;
60: u_int selected;
61:
1.3 nicm 62: void (*callbackfn)(void *, int);
63: void (*freefn)(void *);
1.1 nicm 64: void *data;
65: };
66:
1.11 ! nicm 67: int window_choose_key_index(struct window_choose_mode_data *, u_int);
! 68: int window_choose_index_key(struct window_choose_mode_data *, int);
! 69:
1.1 nicm 70: void
71: window_choose_vadd(struct window_pane *wp, int idx, const char *fmt, va_list ap)
72: {
73: struct window_choose_mode_data *data = wp->modedata;
74: struct window_choose_mode_item *item;
75:
76: ARRAY_EXPAND(&data->list, 1);
77: item = &ARRAY_LAST(&data->list);
78: xvasprintf(&item->name, fmt, ap);
79: item->idx = idx;
80: }
81:
82: void printflike3
83: window_choose_add(struct window_pane *wp, int idx, const char *fmt, ...)
84: {
85: va_list ap;
86:
87: va_start(ap, fmt);
88: window_choose_vadd(wp, idx, fmt, ap);
89: va_end(ap);
90: }
91:
92: void
1.3 nicm 93: window_choose_ready(struct window_pane *wp, u_int cur,
94: void (*callbackfn)(void *, int), void (*freefn)(void *), void *cdata)
1.1 nicm 95: {
96: struct window_choose_mode_data *data = wp->modedata;
97: struct screen *s = &data->screen;
98:
99: data->selected = cur;
100: if (data->selected > screen_size_y(s) - 1)
101: data->top = ARRAY_LENGTH(&data->list) - screen_size_y(s);
102:
1.3 nicm 103: data->callbackfn = callbackfn;
104: data->freefn = freefn;
1.1 nicm 105: data->data = cdata;
106:
107: window_choose_redraw_screen(wp);
108: }
109:
110: struct screen *
111: window_choose_init(struct window_pane *wp)
112: {
113: struct window_choose_mode_data *data;
114: struct screen *s;
1.5 nicm 115: int keys;
1.1 nicm 116:
117: wp->modedata = data = xmalloc(sizeof *data);
1.3 nicm 118:
119: data->callbackfn = NULL;
120: data->freefn = NULL;
121: data->data = NULL;
122:
1.1 nicm 123: ARRAY_INIT(&data->list);
124: data->top = 0;
125:
126: s = &data->screen;
127: screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
128: s->mode &= ~MODE_CURSOR;
1.7 nicm 129: if (options_get_number(&wp->window->options, "mode-mouse"))
130: s->mode |= MODE_MOUSE;
1.1 nicm 131:
1.5 nicm 132: keys = options_get_number(&wp->window->options, "mode-keys");
133: if (keys == MODEKEY_EMACS)
1.6 nicm 134: mode_key_init(&data->mdata, &mode_key_tree_emacs_choice);
1.5 nicm 135: else
1.6 nicm 136: mode_key_init(&data->mdata, &mode_key_tree_vi_choice);
1.1 nicm 137:
138: return (s);
139: }
140:
141: void
142: window_choose_free(struct window_pane *wp)
143: {
144: struct window_choose_mode_data *data = wp->modedata;
145: u_int i;
146:
1.3 nicm 147: if (data->freefn != NULL && data->data != NULL)
148: data->freefn(data->data);
1.1 nicm 149:
150: for (i = 0; i < ARRAY_LENGTH(&data->list); i++)
151: xfree(ARRAY_ITEM(&data->list, i).name);
152: ARRAY_FREE(&data->list);
153:
154: screen_free(&data->screen);
155: xfree(data);
156: }
157:
158: void
159: window_choose_resize(struct window_pane *wp, u_int sx, u_int sy)
160: {
161: struct window_choose_mode_data *data = wp->modedata;
162: struct screen *s = &data->screen;
163:
164: data->top = 0;
165: if (data->selected > sy - 1)
166: data->top = data->selected - (sy - 1);
167:
168: screen_resize(s, sx, sy);
169: window_choose_redraw_screen(wp);
170: }
171:
172: void
173: window_choose_key(struct window_pane *wp, unused struct client *c, int key)
174: {
175: struct window_choose_mode_data *data = wp->modedata;
176: struct screen *s = &data->screen;
177: struct screen_write_ctx ctx;
178: struct window_choose_mode_item *item;
1.11 ! nicm 179: u_int items;
! 180: int idx;
1.1 nicm 181:
182: items = ARRAY_LENGTH(&data->list);
183:
184: switch (mode_key_lookup(&data->mdata, key)) {
1.5 nicm 185: case MODEKEYCHOICE_CANCEL:
1.3 nicm 186: data->callbackfn(data->data, -1);
1.1 nicm 187: window_pane_reset_mode(wp);
188: break;
1.5 nicm 189: case MODEKEYCHOICE_CHOOSE:
1.1 nicm 190: item = &ARRAY_ITEM(&data->list, data->selected);
1.3 nicm 191: data->callbackfn(data->data, item->idx);
1.1 nicm 192: window_pane_reset_mode(wp);
193: break;
1.5 nicm 194: case MODEKEYCHOICE_UP:
1.1 nicm 195: if (items == 0)
196: break;
197: if (data->selected == 0) {
198: data->selected = items - 1;
199: if (data->selected > screen_size_y(s) - 1)
200: data->top = items - screen_size_y(s);
201: window_choose_redraw_screen(wp);
202: break;
203: }
204: data->selected--;
205: if (data->selected < data->top)
206: window_choose_scroll_up(wp);
207: else {
208: screen_write_start(&ctx, wp, NULL);
209: window_choose_write_line(
210: wp, &ctx, data->selected - data->top);
211: window_choose_write_line(
212: wp, &ctx, data->selected + 1 - data->top);
213: screen_write_stop(&ctx);
214: }
215: break;
1.5 nicm 216: case MODEKEYCHOICE_DOWN:
1.1 nicm 217: if (items == 0)
218: break;
219: if (data->selected == items - 1) {
220: data->selected = 0;
221: data->top = 0;
222: window_choose_redraw_screen(wp);
223: break;
224: }
225: data->selected++;
1.5 nicm 226:
1.1 nicm 227: if (data->selected >= data->top + screen_size_y(&data->screen))
228: window_choose_scroll_down(wp);
229: else {
230: screen_write_start(&ctx, wp, NULL);
231: window_choose_write_line(
232: wp, &ctx, data->selected - data->top);
233: window_choose_write_line(
234: wp, &ctx, data->selected - 1 - data->top);
235: screen_write_stop(&ctx);
236: }
237: break;
1.5 nicm 238: case MODEKEYCHOICE_PAGEUP:
1.1 nicm 239: if (data->selected < screen_size_y(s)) {
240: data->selected = 0;
241: data->top = 0;
242: } else {
243: data->selected -= screen_size_y(s);
244: if (data->top < screen_size_y(s))
245: data->top = 0;
246: else
247: data->top -= screen_size_y(s);
248: }
249: window_choose_redraw_screen(wp);
250: break;
1.5 nicm 251: case MODEKEYCHOICE_PAGEDOWN:
1.1 nicm 252: data->selected += screen_size_y(s);
253: if (data->selected > items - 1)
254: data->selected = items - 1;
255: data->top += screen_size_y(s);
256: if (screen_size_y(s) < items) {
257: if (data->top + screen_size_y(s) > items)
258: data->top = items - screen_size_y(s);
259: } else
260: data->top = 0;
261: if (data->selected < data->top)
262: data->top = data->selected;
263: window_choose_redraw_screen(wp);
264: break;
265: default:
1.11 ! nicm 266: idx = window_choose_index_key(data, key);
! 267: if (idx < 0 || (u_int) idx >= ARRAY_LENGTH(&data->list))
! 268: break;
! 269: data->selected = idx;
! 270:
! 271: item = &ARRAY_ITEM(&data->list, data->selected);
! 272: data->callbackfn(data->data, item->idx);
! 273: window_pane_reset_mode(wp);
1.1 nicm 274: break;
275: }
276: }
277:
278: void
1.10 nicm 279: window_choose_mouse(
280: struct window_pane *wp, unused struct client *c, struct mouse_event *m)
1.1 nicm 281: {
282: struct window_choose_mode_data *data = wp->modedata;
283: struct screen *s = &data->screen;
284: struct window_choose_mode_item *item;
285: u_int idx;
286:
1.10 nicm 287: if ((m->b & 3) == 3)
1.1 nicm 288: return;
1.10 nicm 289: if (m->x >= screen_size_x(s))
1.1 nicm 290: return;
1.10 nicm 291: if (m->y >= screen_size_y(s))
1.1 nicm 292: return;
293:
1.10 nicm 294: idx = data->top + m->y;
1.1 nicm 295: if (idx >= ARRAY_LENGTH(&data->list))
296: return;
297: data->selected = idx;
298:
299: item = &ARRAY_ITEM(&data->list, data->selected);
1.3 nicm 300: data->callbackfn(data->data, item->idx);
1.1 nicm 301: window_pane_reset_mode(wp);
302: }
303:
304: void
305: window_choose_write_line(
306: struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
307: {
308: struct window_choose_mode_data *data = wp->modedata;
309: struct window_choose_mode_item *item;
1.9 nicm 310: struct options *oo = &wp->window->options;
1.1 nicm 311: struct screen *s = &data->screen;
312: struct grid_cell gc;
1.2 nicm 313: int utf8flag;
1.11 ! nicm 314: char key;
1.1 nicm 315:
1.3 nicm 316: if (data->callbackfn == NULL)
1.1 nicm 317: fatalx("called before callback assigned");
318:
1.2 nicm 319: utf8flag = options_get_number(&wp->window->options, "utf8");
1.1 nicm 320: memcpy(&gc, &grid_default_cell, sizeof gc);
321: if (data->selected == data->top + py) {
1.9 nicm 322: colour_set_fg(&gc, options_get_number(oo, "mode-fg"));
323: colour_set_bg(&gc, options_get_number(oo, "mode-bg"));
324: gc.attr |= options_get_number(oo, "mode-attr");
1.1 nicm 325: }
326:
327: screen_write_cursormove(ctx, 0, py);
328: if (data->top + py < ARRAY_LENGTH(&data->list)) {
329: item = &ARRAY_ITEM(&data->list, data->top + py);
1.11 ! nicm 330: key = window_choose_key_index(data, data->top + py);
! 331: if (key != -1) {
! 332: screen_write_nputs(ctx, screen_size_x(s) - 1,
! 333: &gc, utf8flag, "(%c) %s", key, item->name);
! 334: } else {
! 335: screen_write_nputs(ctx, screen_size_x(s) - 1,
! 336: &gc, utf8flag, " %s", item->name);
! 337: }
! 338:
1.1 nicm 339: }
340: while (s->cx < screen_size_x(s))
341: screen_write_putc(ctx, &gc, ' ');
1.11 ! nicm 342: }
! 343:
! 344: int
! 345: window_choose_key_index(struct window_choose_mode_data *data, u_int idx)
! 346: {
! 347: static const char keys[] = "0123456789abcdefghijklmnopqrstuvwxyz";
! 348: const char *ptr;
! 349: int mkey;
! 350:
! 351: for (ptr = keys; *ptr != '\0'; ptr++) {
! 352: mkey = mode_key_lookup(&data->mdata, *ptr);
! 353: if (mkey != MODEKEY_NONE && mkey != MODEKEY_OTHER)
! 354: continue;
! 355: if (idx-- == 0)
! 356: return (*ptr);
! 357: }
! 358: return (-1);
! 359: }
! 360:
! 361: int
! 362: window_choose_index_key(struct window_choose_mode_data *data, int key)
! 363: {
! 364: static const char keys[] = "0123456789abcdefghijklmnopqrstuvwxyz";
! 365: const char *ptr;
! 366: int mkey;
! 367: u_int idx = 0;
! 368:
! 369: for (ptr = keys; *ptr != '\0'; ptr++) {
! 370: mkey = mode_key_lookup(&data->mdata, *ptr);
! 371: if (mkey != MODEKEY_NONE && mkey != MODEKEY_OTHER)
! 372: continue;
! 373: if (key == *ptr)
! 374: return (idx);
! 375: idx++;
! 376: }
! 377: return (-1);
1.1 nicm 378: }
379:
380: void
381: window_choose_redraw_screen(struct window_pane *wp)
382: {
383: struct window_choose_mode_data *data = wp->modedata;
384: struct screen *s = &data->screen;
385: struct screen_write_ctx ctx;
386: u_int i;
387:
388: screen_write_start(&ctx, wp, NULL);
389: for (i = 0; i < screen_size_y(s); i++)
390: window_choose_write_line(wp, &ctx, i);
391: screen_write_stop(&ctx);
392: }
393:
394: void
395: window_choose_scroll_up(struct window_pane *wp)
396: {
397: struct window_choose_mode_data *data = wp->modedata;
398: struct screen_write_ctx ctx;
399:
400: if (data->top == 0)
401: return;
402: data->top--;
403:
404: screen_write_start(&ctx, wp, NULL);
405: screen_write_cursormove(&ctx, 0, 0);
406: screen_write_insertline(&ctx, 1);
407: window_choose_write_line(wp, &ctx, 0);
408: if (screen_size_y(&data->screen) > 1)
409: window_choose_write_line(wp, &ctx, 1);
410: screen_write_stop(&ctx);
411: }
412:
413: void
414: window_choose_scroll_down(struct window_pane *wp)
415: {
416: struct window_choose_mode_data *data = wp->modedata;
417: struct screen *s = &data->screen;
418: struct screen_write_ctx ctx;
419:
420: if (data->top >= ARRAY_LENGTH(&data->list))
421: return;
422: data->top++;
423:
424: screen_write_start(&ctx, wp, NULL);
425: screen_write_cursormove(&ctx, 0, 0);
426: screen_write_deleteline(&ctx, 1);
427: window_choose_write_line(wp, &ctx, screen_size_y(s) - 1);
428: if (screen_size_y(&data->screen) > 1)
429: window_choose_write_line(wp, &ctx, screen_size_y(s) - 2);
430: screen_write_stop(&ctx);
431: }
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