Annotation of src/usr.bin/tmux/window-choose.c, Revision 1.12
1.12 ! nicm 1: /* $OpenBSD: window-choose.c,v 1.11 2009/11/17 13:06:11 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:
1.12 ! nicm 172: /* ARGSUSED */
1.1 nicm 173: void
174: window_choose_key(struct window_pane *wp, unused struct client *c, int key)
175: {
176: struct window_choose_mode_data *data = wp->modedata;
177: struct screen *s = &data->screen;
178: struct screen_write_ctx ctx;
179: struct window_choose_mode_item *item;
1.11 nicm 180: u_int items;
181: int idx;
1.1 nicm 182:
183: items = ARRAY_LENGTH(&data->list);
184:
185: switch (mode_key_lookup(&data->mdata, key)) {
1.5 nicm 186: case MODEKEYCHOICE_CANCEL:
1.3 nicm 187: data->callbackfn(data->data, -1);
1.1 nicm 188: window_pane_reset_mode(wp);
189: break;
1.5 nicm 190: case MODEKEYCHOICE_CHOOSE:
1.1 nicm 191: item = &ARRAY_ITEM(&data->list, data->selected);
1.3 nicm 192: data->callbackfn(data->data, item->idx);
1.1 nicm 193: window_pane_reset_mode(wp);
194: break;
1.5 nicm 195: case MODEKEYCHOICE_UP:
1.1 nicm 196: if (items == 0)
197: break;
198: if (data->selected == 0) {
199: data->selected = items - 1;
200: if (data->selected > screen_size_y(s) - 1)
201: data->top = items - screen_size_y(s);
202: window_choose_redraw_screen(wp);
203: break;
204: }
205: data->selected--;
206: if (data->selected < data->top)
207: window_choose_scroll_up(wp);
208: else {
209: screen_write_start(&ctx, wp, NULL);
210: window_choose_write_line(
211: wp, &ctx, data->selected - data->top);
212: window_choose_write_line(
213: wp, &ctx, data->selected + 1 - data->top);
214: screen_write_stop(&ctx);
215: }
216: break;
1.5 nicm 217: case MODEKEYCHOICE_DOWN:
1.1 nicm 218: if (items == 0)
219: break;
220: if (data->selected == items - 1) {
221: data->selected = 0;
222: data->top = 0;
223: window_choose_redraw_screen(wp);
224: break;
225: }
226: data->selected++;
1.5 nicm 227:
1.1 nicm 228: if (data->selected >= data->top + screen_size_y(&data->screen))
229: window_choose_scroll_down(wp);
230: else {
231: screen_write_start(&ctx, wp, NULL);
232: window_choose_write_line(
233: wp, &ctx, data->selected - data->top);
234: window_choose_write_line(
235: wp, &ctx, data->selected - 1 - data->top);
236: screen_write_stop(&ctx);
237: }
238: break;
1.5 nicm 239: case MODEKEYCHOICE_PAGEUP:
1.1 nicm 240: if (data->selected < screen_size_y(s)) {
241: data->selected = 0;
242: data->top = 0;
243: } else {
244: data->selected -= screen_size_y(s);
245: if (data->top < screen_size_y(s))
246: data->top = 0;
247: else
248: data->top -= screen_size_y(s);
249: }
250: window_choose_redraw_screen(wp);
251: break;
1.5 nicm 252: case MODEKEYCHOICE_PAGEDOWN:
1.1 nicm 253: data->selected += screen_size_y(s);
254: if (data->selected > items - 1)
255: data->selected = items - 1;
256: data->top += screen_size_y(s);
257: if (screen_size_y(s) < items) {
258: if (data->top + screen_size_y(s) > items)
259: data->top = items - screen_size_y(s);
260: } else
261: data->top = 0;
262: if (data->selected < data->top)
263: data->top = data->selected;
264: window_choose_redraw_screen(wp);
265: break;
266: default:
1.11 nicm 267: idx = window_choose_index_key(data, key);
268: if (idx < 0 || (u_int) idx >= ARRAY_LENGTH(&data->list))
269: break;
270: data->selected = idx;
271:
272: item = &ARRAY_ITEM(&data->list, data->selected);
273: data->callbackfn(data->data, item->idx);
274: window_pane_reset_mode(wp);
1.1 nicm 275: break;
276: }
277: }
278:
1.12 ! nicm 279: /* ARGSUSED */
1.1 nicm 280: void
1.10 nicm 281: window_choose_mouse(
282: struct window_pane *wp, unused struct client *c, struct mouse_event *m)
1.1 nicm 283: {
284: struct window_choose_mode_data *data = wp->modedata;
285: struct screen *s = &data->screen;
286: struct window_choose_mode_item *item;
287: u_int idx;
288:
1.10 nicm 289: if ((m->b & 3) == 3)
1.1 nicm 290: return;
1.10 nicm 291: if (m->x >= screen_size_x(s))
1.1 nicm 292: return;
1.10 nicm 293: if (m->y >= screen_size_y(s))
1.1 nicm 294: return;
295:
1.10 nicm 296: idx = data->top + m->y;
1.1 nicm 297: if (idx >= ARRAY_LENGTH(&data->list))
298: return;
299: data->selected = idx;
300:
301: item = &ARRAY_ITEM(&data->list, data->selected);
1.3 nicm 302: data->callbackfn(data->data, item->idx);
1.1 nicm 303: window_pane_reset_mode(wp);
304: }
305:
306: void
307: window_choose_write_line(
308: struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
309: {
310: struct window_choose_mode_data *data = wp->modedata;
311: struct window_choose_mode_item *item;
1.9 nicm 312: struct options *oo = &wp->window->options;
1.1 nicm 313: struct screen *s = &data->screen;
314: struct grid_cell gc;
1.2 nicm 315: int utf8flag;
1.11 nicm 316: char key;
1.1 nicm 317:
1.3 nicm 318: if (data->callbackfn == NULL)
1.1 nicm 319: fatalx("called before callback assigned");
320:
1.2 nicm 321: utf8flag = options_get_number(&wp->window->options, "utf8");
1.1 nicm 322: memcpy(&gc, &grid_default_cell, sizeof gc);
323: if (data->selected == data->top + py) {
1.9 nicm 324: colour_set_fg(&gc, options_get_number(oo, "mode-fg"));
325: colour_set_bg(&gc, options_get_number(oo, "mode-bg"));
326: gc.attr |= options_get_number(oo, "mode-attr");
1.1 nicm 327: }
328:
329: screen_write_cursormove(ctx, 0, py);
330: if (data->top + py < ARRAY_LENGTH(&data->list)) {
331: item = &ARRAY_ITEM(&data->list, data->top + py);
1.11 nicm 332: key = window_choose_key_index(data, data->top + py);
333: if (key != -1) {
334: screen_write_nputs(ctx, screen_size_x(s) - 1,
335: &gc, utf8flag, "(%c) %s", key, item->name);
336: } else {
337: screen_write_nputs(ctx, screen_size_x(s) - 1,
338: &gc, utf8flag, " %s", item->name);
339: }
340:
1.1 nicm 341: }
342: while (s->cx < screen_size_x(s))
343: screen_write_putc(ctx, &gc, ' ');
1.11 nicm 344: }
345:
346: int
347: window_choose_key_index(struct window_choose_mode_data *data, u_int idx)
348: {
349: static const char keys[] = "0123456789abcdefghijklmnopqrstuvwxyz";
350: const char *ptr;
351: int mkey;
352:
353: for (ptr = keys; *ptr != '\0'; ptr++) {
354: mkey = mode_key_lookup(&data->mdata, *ptr);
355: if (mkey != MODEKEY_NONE && mkey != MODEKEY_OTHER)
356: continue;
357: if (idx-- == 0)
358: return (*ptr);
359: }
360: return (-1);
361: }
362:
363: int
364: window_choose_index_key(struct window_choose_mode_data *data, int key)
365: {
366: static const char keys[] = "0123456789abcdefghijklmnopqrstuvwxyz";
367: const char *ptr;
368: int mkey;
369: u_int idx = 0;
370:
371: for (ptr = keys; *ptr != '\0'; ptr++) {
372: mkey = mode_key_lookup(&data->mdata, *ptr);
373: if (mkey != MODEKEY_NONE && mkey != MODEKEY_OTHER)
374: continue;
375: if (key == *ptr)
376: return (idx);
377: idx++;
378: }
379: return (-1);
1.1 nicm 380: }
381:
382: void
383: window_choose_redraw_screen(struct window_pane *wp)
384: {
385: struct window_choose_mode_data *data = wp->modedata;
386: struct screen *s = &data->screen;
387: struct screen_write_ctx ctx;
388: u_int i;
389:
390: screen_write_start(&ctx, wp, NULL);
391: for (i = 0; i < screen_size_y(s); i++)
392: window_choose_write_line(wp, &ctx, i);
393: screen_write_stop(&ctx);
394: }
395:
396: void
397: window_choose_scroll_up(struct window_pane *wp)
398: {
399: struct window_choose_mode_data *data = wp->modedata;
400: struct screen_write_ctx ctx;
401:
402: if (data->top == 0)
403: return;
404: data->top--;
405:
406: screen_write_start(&ctx, wp, NULL);
407: screen_write_cursormove(&ctx, 0, 0);
408: screen_write_insertline(&ctx, 1);
409: window_choose_write_line(wp, &ctx, 0);
410: if (screen_size_y(&data->screen) > 1)
411: window_choose_write_line(wp, &ctx, 1);
412: screen_write_stop(&ctx);
413: }
414:
415: void
416: window_choose_scroll_down(struct window_pane *wp)
417: {
418: struct window_choose_mode_data *data = wp->modedata;
419: struct screen *s = &data->screen;
420: struct screen_write_ctx ctx;
421:
422: if (data->top >= ARRAY_LENGTH(&data->list))
423: return;
424: data->top++;
425:
426: screen_write_start(&ctx, wp, NULL);
427: screen_write_cursormove(&ctx, 0, 0);
428: screen_write_deleteline(&ctx, 1);
429: window_choose_write_line(wp, &ctx, screen_size_y(s) - 1);
430: if (screen_size_y(&data->screen) > 1)
431: window_choose_write_line(wp, &ctx, screen_size_y(s) - 2);
432: screen_write_stop(&ctx);
433: }
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