Annotation of src/usr.bin/tmux/window-choose.c, Revision 1.9
1.9 ! nicm 1: /* $OpenBSD: window-choose.c,v 1.8 2009/08/05 16:26:38 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(
30: struct window_pane *, struct client *, u_char, u_char, u_char);
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:
67: void
68: window_choose_vadd(struct window_pane *wp, int idx, const char *fmt, va_list ap)
69: {
70: struct window_choose_mode_data *data = wp->modedata;
71: struct window_choose_mode_item *item;
72:
73: ARRAY_EXPAND(&data->list, 1);
74: item = &ARRAY_LAST(&data->list);
75: xvasprintf(&item->name, fmt, ap);
76: item->idx = idx;
77: }
78:
79: void printflike3
80: window_choose_add(struct window_pane *wp, int idx, const char *fmt, ...)
81: {
82: va_list ap;
83:
84: va_start(ap, fmt);
85: window_choose_vadd(wp, idx, fmt, ap);
86: va_end(ap);
87: }
88:
89: void
1.3 nicm 90: window_choose_ready(struct window_pane *wp, u_int cur,
91: void (*callbackfn)(void *, int), void (*freefn)(void *), void *cdata)
1.1 nicm 92: {
93: struct window_choose_mode_data *data = wp->modedata;
94: struct screen *s = &data->screen;
95:
96: data->selected = cur;
97: if (data->selected > screen_size_y(s) - 1)
98: data->top = ARRAY_LENGTH(&data->list) - screen_size_y(s);
99:
1.3 nicm 100: data->callbackfn = callbackfn;
101: data->freefn = freefn;
1.1 nicm 102: data->data = cdata;
103:
104: window_choose_redraw_screen(wp);
105: }
106:
107: struct screen *
108: window_choose_init(struct window_pane *wp)
109: {
110: struct window_choose_mode_data *data;
111: struct screen *s;
1.5 nicm 112: int keys;
1.1 nicm 113:
114: wp->modedata = data = xmalloc(sizeof *data);
1.3 nicm 115:
116: data->callbackfn = NULL;
117: data->freefn = NULL;
118: data->data = NULL;
119:
1.1 nicm 120: ARRAY_INIT(&data->list);
121: data->top = 0;
122:
123: s = &data->screen;
124: screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
125: s->mode &= ~MODE_CURSOR;
1.7 nicm 126: if (options_get_number(&wp->window->options, "mode-mouse"))
127: s->mode |= MODE_MOUSE;
1.1 nicm 128:
1.5 nicm 129: keys = options_get_number(&wp->window->options, "mode-keys");
130: if (keys == MODEKEY_EMACS)
1.6 nicm 131: mode_key_init(&data->mdata, &mode_key_tree_emacs_choice);
1.5 nicm 132: else
1.6 nicm 133: mode_key_init(&data->mdata, &mode_key_tree_vi_choice);
1.1 nicm 134:
135: return (s);
136: }
137:
138: void
139: window_choose_free(struct window_pane *wp)
140: {
141: struct window_choose_mode_data *data = wp->modedata;
142: u_int i;
143:
1.3 nicm 144: if (data->freefn != NULL && data->data != NULL)
145: data->freefn(data->data);
1.1 nicm 146:
147: for (i = 0; i < ARRAY_LENGTH(&data->list); i++)
148: xfree(ARRAY_ITEM(&data->list, i).name);
149: ARRAY_FREE(&data->list);
150:
151: screen_free(&data->screen);
152: xfree(data);
153: }
154:
155: void
156: window_choose_resize(struct window_pane *wp, u_int sx, u_int sy)
157: {
158: struct window_choose_mode_data *data = wp->modedata;
159: struct screen *s = &data->screen;
160:
161: data->top = 0;
162: if (data->selected > sy - 1)
163: data->top = data->selected - (sy - 1);
164:
165: screen_resize(s, sx, sy);
166: window_choose_redraw_screen(wp);
167: }
168:
169: void
170: window_choose_key(struct window_pane *wp, unused struct client *c, int key)
171: {
172: struct window_choose_mode_data *data = wp->modedata;
173: struct screen *s = &data->screen;
174: struct screen_write_ctx ctx;
175: struct window_choose_mode_item *item;
176: u_int items;
177:
178: items = ARRAY_LENGTH(&data->list);
179:
180: switch (mode_key_lookup(&data->mdata, key)) {
1.5 nicm 181: case MODEKEYCHOICE_CANCEL:
1.3 nicm 182: data->callbackfn(data->data, -1);
1.1 nicm 183: window_pane_reset_mode(wp);
184: break;
1.5 nicm 185: case MODEKEYCHOICE_CHOOSE:
1.1 nicm 186: item = &ARRAY_ITEM(&data->list, data->selected);
1.3 nicm 187: data->callbackfn(data->data, item->idx);
1.1 nicm 188: window_pane_reset_mode(wp);
189: break;
1.5 nicm 190: case MODEKEYCHOICE_UP:
1.1 nicm 191: if (items == 0)
192: break;
193: if (data->selected == 0) {
194: data->selected = items - 1;
195: if (data->selected > screen_size_y(s) - 1)
196: data->top = items - screen_size_y(s);
197: window_choose_redraw_screen(wp);
198: break;
199: }
200: data->selected--;
201: if (data->selected < data->top)
202: window_choose_scroll_up(wp);
203: else {
204: screen_write_start(&ctx, wp, NULL);
205: window_choose_write_line(
206: wp, &ctx, data->selected - data->top);
207: window_choose_write_line(
208: wp, &ctx, data->selected + 1 - data->top);
209: screen_write_stop(&ctx);
210: }
211: break;
1.5 nicm 212: case MODEKEYCHOICE_DOWN:
1.1 nicm 213: if (items == 0)
214: break;
215: if (data->selected == items - 1) {
216: data->selected = 0;
217: data->top = 0;
218: window_choose_redraw_screen(wp);
219: break;
220: }
221: data->selected++;
1.5 nicm 222:
1.1 nicm 223: if (data->selected >= data->top + screen_size_y(&data->screen))
224: window_choose_scroll_down(wp);
225: else {
226: screen_write_start(&ctx, wp, NULL);
227: window_choose_write_line(
228: wp, &ctx, data->selected - data->top);
229: window_choose_write_line(
230: wp, &ctx, data->selected - 1 - data->top);
231: screen_write_stop(&ctx);
232: }
233: break;
1.5 nicm 234: case MODEKEYCHOICE_PAGEUP:
1.1 nicm 235: if (data->selected < screen_size_y(s)) {
236: data->selected = 0;
237: data->top = 0;
238: } else {
239: data->selected -= screen_size_y(s);
240: if (data->top < screen_size_y(s))
241: data->top = 0;
242: else
243: data->top -= screen_size_y(s);
244: }
245: window_choose_redraw_screen(wp);
246: break;
1.5 nicm 247: case MODEKEYCHOICE_PAGEDOWN:
1.1 nicm 248: data->selected += screen_size_y(s);
249: if (data->selected > items - 1)
250: data->selected = items - 1;
251: data->top += screen_size_y(s);
252: if (screen_size_y(s) < items) {
253: if (data->top + screen_size_y(s) > items)
254: data->top = items - screen_size_y(s);
255: } else
256: data->top = 0;
257: if (data->selected < data->top)
258: data->top = data->selected;
259: window_choose_redraw_screen(wp);
260: break;
261: default:
262: break;
263: }
264: }
265:
266: void
267: window_choose_mouse(struct window_pane *wp,
268: unused struct client *c, u_char b, u_char x, u_char y)
269: {
270: struct window_choose_mode_data *data = wp->modedata;
271: struct screen *s = &data->screen;
272: struct window_choose_mode_item *item;
273: u_int idx;
274:
275: if ((b & 3) == 3)
276: return;
277: if (x >= screen_size_x(s))
278: return;
279: if (y >= screen_size_y(s))
280: return;
281:
282: idx = data->top + y;
283: if (idx >= ARRAY_LENGTH(&data->list))
284: return;
285: data->selected = idx;
286:
287: item = &ARRAY_ITEM(&data->list, data->selected);
1.3 nicm 288: data->callbackfn(data->data, item->idx);
1.1 nicm 289: window_pane_reset_mode(wp);
290: }
291:
292: void
293: window_choose_write_line(
294: struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
295: {
296: struct window_choose_mode_data *data = wp->modedata;
297: struct window_choose_mode_item *item;
1.9 ! nicm 298: struct options *oo = &wp->window->options;
1.1 nicm 299: struct screen *s = &data->screen;
300: struct grid_cell gc;
1.2 nicm 301: int utf8flag;
1.1 nicm 302:
1.3 nicm 303: if (data->callbackfn == NULL)
1.1 nicm 304: fatalx("called before callback assigned");
305:
1.2 nicm 306: utf8flag = options_get_number(&wp->window->options, "utf8");
1.1 nicm 307: memcpy(&gc, &grid_default_cell, sizeof gc);
308: if (data->selected == data->top + py) {
1.9 ! nicm 309: colour_set_fg(&gc, options_get_number(oo, "mode-fg"));
! 310: colour_set_bg(&gc, options_get_number(oo, "mode-bg"));
! 311: gc.attr |= options_get_number(oo, "mode-attr");
1.1 nicm 312: }
313:
314: screen_write_cursormove(ctx, 0, py);
315: if (data->top + py < ARRAY_LENGTH(&data->list)) {
316: item = &ARRAY_ITEM(&data->list, data->top + py);
1.2 nicm 317: screen_write_nputs(
318: ctx, screen_size_x(s) - 1, &gc, utf8flag, "%s", item->name);
1.1 nicm 319: }
320: while (s->cx < screen_size_x(s))
321: screen_write_putc(ctx, &gc, ' ');
322: }
323:
324: void
325: window_choose_redraw_screen(struct window_pane *wp)
326: {
327: struct window_choose_mode_data *data = wp->modedata;
328: struct screen *s = &data->screen;
329: struct screen_write_ctx ctx;
330: u_int i;
331:
332: screen_write_start(&ctx, wp, NULL);
333: for (i = 0; i < screen_size_y(s); i++)
334: window_choose_write_line(wp, &ctx, i);
335: screen_write_stop(&ctx);
336: }
337:
338: void
339: window_choose_scroll_up(struct window_pane *wp)
340: {
341: struct window_choose_mode_data *data = wp->modedata;
342: struct screen_write_ctx ctx;
343:
344: if (data->top == 0)
345: return;
346: data->top--;
347:
348: screen_write_start(&ctx, wp, NULL);
349: screen_write_cursormove(&ctx, 0, 0);
350: screen_write_insertline(&ctx, 1);
351: window_choose_write_line(wp, &ctx, 0);
352: if (screen_size_y(&data->screen) > 1)
353: window_choose_write_line(wp, &ctx, 1);
354: screen_write_stop(&ctx);
355: }
356:
357: void
358: window_choose_scroll_down(struct window_pane *wp)
359: {
360: struct window_choose_mode_data *data = wp->modedata;
361: struct screen *s = &data->screen;
362: struct screen_write_ctx ctx;
363:
364: if (data->top >= ARRAY_LENGTH(&data->list))
365: return;
366: data->top++;
367:
368: screen_write_start(&ctx, wp, NULL);
369: screen_write_cursormove(&ctx, 0, 0);
370: screen_write_deleteline(&ctx, 1);
371: window_choose_write_line(wp, &ctx, screen_size_y(s) - 1);
372: if (screen_size_y(&data->screen) > 1)
373: window_choose_write_line(wp, &ctx, screen_size_y(s) - 2);
374: screen_write_stop(&ctx);
375: }
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