Annotation of src/usr.bin/tmux/window-choose.c, Revision 1.5
1.5 ! nicm 1: /* $OpenBSD: window-choose.c,v 1.4 2009/07/27 18:51:46 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;
126: s->mode |= MODE_MOUSE;
127:
1.5 ! nicm 128: keys = options_get_number(&wp->window->options, "mode-keys");
! 129: if (keys == MODEKEY_EMACS)
! 130: mode_key_init(&data->mdata, mode_key_emacs_choice);
! 131: else
! 132: mode_key_init(&data->mdata, mode_key_vi_choice);
1.1 nicm 133:
134: return (s);
135: }
136:
137: void
138: window_choose_free(struct window_pane *wp)
139: {
140: struct window_choose_mode_data *data = wp->modedata;
141: u_int i;
142:
1.3 nicm 143: if (data->freefn != NULL && data->data != NULL)
144: data->freefn(data->data);
1.1 nicm 145:
146: for (i = 0; i < ARRAY_LENGTH(&data->list); i++)
147: xfree(ARRAY_ITEM(&data->list, i).name);
148: ARRAY_FREE(&data->list);
149:
150: screen_free(&data->screen);
151: xfree(data);
152: }
153:
154: void
155: window_choose_resize(struct window_pane *wp, u_int sx, u_int sy)
156: {
157: struct window_choose_mode_data *data = wp->modedata;
158: struct screen *s = &data->screen;
159:
160: data->top = 0;
161: if (data->selected > sy - 1)
162: data->top = data->selected - (sy - 1);
163:
164: screen_resize(s, sx, sy);
165: window_choose_redraw_screen(wp);
166: }
167:
168: void
169: window_choose_key(struct window_pane *wp, unused struct client *c, int key)
170: {
171: struct window_choose_mode_data *data = wp->modedata;
172: struct screen *s = &data->screen;
173: struct screen_write_ctx ctx;
174: struct window_choose_mode_item *item;
175: u_int items;
176:
177: items = ARRAY_LENGTH(&data->list);
178:
179: switch (mode_key_lookup(&data->mdata, key)) {
1.5 ! nicm 180: case MODEKEYCHOICE_CANCEL:
1.3 nicm 181: data->callbackfn(data->data, -1);
1.1 nicm 182: window_pane_reset_mode(wp);
183: break;
1.5 ! nicm 184: case MODEKEYCHOICE_CHOOSE:
1.1 nicm 185: item = &ARRAY_ITEM(&data->list, data->selected);
1.3 nicm 186: data->callbackfn(data->data, item->idx);
1.1 nicm 187: window_pane_reset_mode(wp);
188: break;
1.5 ! nicm 189: case MODEKEYCHOICE_UP:
1.1 nicm 190: if (items == 0)
191: break;
192: if (data->selected == 0) {
193: data->selected = items - 1;
194: if (data->selected > screen_size_y(s) - 1)
195: data->top = items - screen_size_y(s);
196: window_choose_redraw_screen(wp);
197: break;
198: }
199: data->selected--;
200: if (data->selected < data->top)
201: window_choose_scroll_up(wp);
202: else {
203: screen_write_start(&ctx, wp, NULL);
204: window_choose_write_line(
205: wp, &ctx, data->selected - data->top);
206: window_choose_write_line(
207: wp, &ctx, data->selected + 1 - data->top);
208: screen_write_stop(&ctx);
209: }
210: break;
1.5 ! nicm 211: case MODEKEYCHOICE_DOWN:
1.1 nicm 212: if (items == 0)
213: break;
214: if (data->selected == items - 1) {
215: data->selected = 0;
216: data->top = 0;
217: window_choose_redraw_screen(wp);
218: break;
219: }
220: data->selected++;
1.5 ! nicm 221:
1.1 nicm 222: if (data->selected >= data->top + screen_size_y(&data->screen))
223: window_choose_scroll_down(wp);
224: else {
225: screen_write_start(&ctx, wp, NULL);
226: window_choose_write_line(
227: wp, &ctx, data->selected - data->top);
228: window_choose_write_line(
229: wp, &ctx, data->selected - 1 - data->top);
230: screen_write_stop(&ctx);
231: }
232: break;
1.5 ! nicm 233: case MODEKEYCHOICE_PAGEUP:
1.1 nicm 234: if (data->selected < screen_size_y(s)) {
235: data->selected = 0;
236: data->top = 0;
237: } else {
238: data->selected -= screen_size_y(s);
239: if (data->top < screen_size_y(s))
240: data->top = 0;
241: else
242: data->top -= screen_size_y(s);
243: }
244: window_choose_redraw_screen(wp);
245: break;
1.5 ! nicm 246: case MODEKEYCHOICE_PAGEDOWN:
1.1 nicm 247: data->selected += screen_size_y(s);
248: if (data->selected > items - 1)
249: data->selected = items - 1;
250: data->top += screen_size_y(s);
251: if (screen_size_y(s) < items) {
252: if (data->top + screen_size_y(s) > items)
253: data->top = items - screen_size_y(s);
254: } else
255: data->top = 0;
256: if (data->selected < data->top)
257: data->top = data->selected;
258: window_choose_redraw_screen(wp);
259: break;
260: default:
261: break;
262: }
263: }
264:
265: void
266: window_choose_mouse(struct window_pane *wp,
267: unused struct client *c, u_char b, u_char x, u_char y)
268: {
269: struct window_choose_mode_data *data = wp->modedata;
270: struct screen *s = &data->screen;
271: struct window_choose_mode_item *item;
272: u_int idx;
273:
274: if ((b & 3) == 3)
275: return;
276: if (x >= screen_size_x(s))
277: return;
278: if (y >= screen_size_y(s))
279: return;
280:
281: idx = data->top + y;
282: if (idx >= ARRAY_LENGTH(&data->list))
283: return;
284: data->selected = idx;
285:
286: item = &ARRAY_ITEM(&data->list, data->selected);
1.3 nicm 287: data->callbackfn(data->data, item->idx);
1.1 nicm 288: window_pane_reset_mode(wp);
289: }
290:
291: void
292: window_choose_write_line(
293: struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
294: {
295: struct window_choose_mode_data *data = wp->modedata;
296: struct window_choose_mode_item *item;
297: struct screen *s = &data->screen;
298: struct grid_cell gc;
1.2 nicm 299: int utf8flag;
1.1 nicm 300:
1.3 nicm 301: if (data->callbackfn == NULL)
1.1 nicm 302: fatalx("called before callback assigned");
303:
1.2 nicm 304: utf8flag = options_get_number(&wp->window->options, "utf8");
1.1 nicm 305: memcpy(&gc, &grid_default_cell, sizeof gc);
306: if (data->selected == data->top + py) {
307: gc.fg = options_get_number(&wp->window->options, "mode-bg");
308: gc.bg = options_get_number(&wp->window->options, "mode-fg");
309: gc.attr |= options_get_number(&wp->window->options, "mode-attr");
310: }
311:
312: screen_write_cursormove(ctx, 0, py);
313: if (data->top + py < ARRAY_LENGTH(&data->list)) {
314: item = &ARRAY_ITEM(&data->list, data->top + py);
1.2 nicm 315: screen_write_nputs(
316: ctx, screen_size_x(s) - 1, &gc, utf8flag, "%s", item->name);
1.1 nicm 317: }
318: while (s->cx < screen_size_x(s))
319: screen_write_putc(ctx, &gc, ' ');
320: }
321:
322: void
323: window_choose_redraw_screen(struct window_pane *wp)
324: {
325: struct window_choose_mode_data *data = wp->modedata;
326: struct screen *s = &data->screen;
327: struct screen_write_ctx ctx;
328: u_int i;
329:
330: screen_write_start(&ctx, wp, NULL);
331: for (i = 0; i < screen_size_y(s); i++)
332: window_choose_write_line(wp, &ctx, i);
333: screen_write_stop(&ctx);
334: }
335:
336: void
337: window_choose_scroll_up(struct window_pane *wp)
338: {
339: struct window_choose_mode_data *data = wp->modedata;
340: struct screen_write_ctx ctx;
341:
342: if (data->top == 0)
343: return;
344: data->top--;
345:
346: screen_write_start(&ctx, wp, NULL);
347: screen_write_cursormove(&ctx, 0, 0);
348: screen_write_insertline(&ctx, 1);
349: window_choose_write_line(wp, &ctx, 0);
350: if (screen_size_y(&data->screen) > 1)
351: window_choose_write_line(wp, &ctx, 1);
352: screen_write_stop(&ctx);
353: }
354:
355: void
356: window_choose_scroll_down(struct window_pane *wp)
357: {
358: struct window_choose_mode_data *data = wp->modedata;
359: struct screen *s = &data->screen;
360: struct screen_write_ctx ctx;
361:
362: if (data->top >= ARRAY_LENGTH(&data->list))
363: return;
364: data->top++;
365:
366: screen_write_start(&ctx, wp, NULL);
367: screen_write_cursormove(&ctx, 0, 0);
368: screen_write_deleteline(&ctx, 1);
369: window_choose_write_line(wp, &ctx, screen_size_y(s) - 1);
370: if (screen_size_y(&data->screen) > 1)
371: window_choose_write_line(wp, &ctx, screen_size_y(s) - 2);
372: screen_write_stop(&ctx);
373: }
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