Annotation of src/usr.bin/tmux/screen-redraw.c, Revision 1.81
1.81 ! nicm 1: /* $OpenBSD: screen-redraw.c,v 1.80 2020/06/27 10:23:10 nicm Exp $ */
1.1 nicm 2:
3: /*
1.35 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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:
1.48 nicm 21: #include <stdlib.h>
1.1 nicm 22: #include <string.h>
23:
24: #include "tmux.h"
25:
1.50 nicm 26: static void screen_redraw_draw_borders(struct screen_redraw_ctx *);
27: static void screen_redraw_draw_panes(struct screen_redraw_ctx *);
28: static void screen_redraw_draw_status(struct screen_redraw_ctx *);
1.55 nicm 29: static void screen_redraw_draw_pane(struct screen_redraw_ctx *,
30: struct window_pane *);
1.79 nicm 31: static void screen_redraw_set_context(struct client *,
32: struct screen_redraw_ctx *);
1.1 nicm 33:
1.6 nicm 34: #define CELL_INSIDE 0
1.7 nicm 35: #define CELL_LEFTRIGHT 1
36: #define CELL_TOPBOTTOM 2
37: #define CELL_TOPLEFT 3
38: #define CELL_TOPRIGHT 4
39: #define CELL_BOTTOMLEFT 5
40: #define CELL_BOTTOMRIGHT 6
41: #define CELL_TOPJOIN 7
42: #define CELL_BOTTOMJOIN 8
43: #define CELL_LEFTJOIN 9
44: #define CELL_RIGHTJOIN 10
45: #define CELL_JOIN 11
46: #define CELL_OUTSIDE 12
1.6 nicm 47:
1.17 nicm 48: #define CELL_BORDERS " xqlkmjwvtun~"
49:
1.78 nicm 50: static const struct utf8_data screen_redraw_double_borders[] = {
51: { "", 0, 0, 0 },
52: { "\342\225\221", 0, 3, 1 }, /* U+2551 */
53: { "\342\225\220", 0, 3, 1 }, /* U+2550 */
54: { "\342\225\224", 0, 3, 1 }, /* U+2554 */
55: { "\342\225\227", 0, 3, 1 }, /* U+2557 */
56: { "\342\225\232", 0, 3, 1 }, /* U+255A */
57: { "\342\225\235", 0, 3, 1 }, /* U+255D */
58: { "\342\225\246", 0, 3, 1 }, /* U+2566 */
59: { "\342\225\251", 0, 3, 1 }, /* U+2569 */
60: { "\342\225\240", 0, 3, 1 }, /* U+2560 */
61: { "\342\225\243", 0, 3, 1 }, /* U+2563 */
62: { "\342\225\254", 0, 3, 1 }, /* U+256C */
63: { "\302\267", 0, 2, 1 } /* U+00B7 */
64: };
65:
66: static const struct utf8_data screen_redraw_heavy_borders[] = {
67: { "", 0, 0, 0 },
68: { "\342\224\203", 0, 3, 1 }, /* U+2503 */
69: { "\342\224\201", 0, 3, 1 }, /* U+2501 */
70: { "\342\224\223", 0, 3, 1 }, /* U+2513 */
71: { "\342\224\217", 0, 3, 1 }, /* U+250F */
72: { "\342\224\227", 0, 3, 1 }, /* U+2517 */
73: { "\342\224\233", 0, 3, 1 }, /* U+251B */
74: { "\342\224\263", 0, 3, 1 }, /* U+2533 */
75: { "\342\224\273", 0, 3, 1 }, /* U+253B */
76: { "\342\224\243", 0, 3, 1 }, /* U+2523 */
77: { "\342\224\253", 0, 3, 1 }, /* U+252B */
78: { "\342\225\213", 0, 3, 1 }, /* U+254B */
79: { "\302\267", 0, 2, 1 } /* U+00B7 */
1.75 nicm 80: };
81:
82: enum screen_redraw_border_type {
83: SCREEN_REDRAW_OUTSIDE,
84: SCREEN_REDRAW_INSIDE,
85: SCREEN_REDRAW_BORDER
86: };
87:
1.78 nicm 88: /* Get cell border character. */
89: static void
90: screen_redraw_border_set(struct window_pane *wp, int pane_lines, int cell_type,
91: struct grid_cell *gc)
92: {
93: u_int idx;
94:
95: switch (pane_lines) {
96: case PANE_LINES_NUMBER:
97: if (cell_type == CELL_OUTSIDE) {
98: gc->attr |= GRID_ATTR_CHARSET;
99: utf8_set(&gc->data, CELL_BORDERS[CELL_OUTSIDE]);
100: break;
101: }
102: gc->attr &= ~GRID_ATTR_CHARSET;
103: if (wp != NULL && window_pane_index(wp, &idx) == 0)
104: utf8_set(&gc->data, '0' + (idx % 10));
105: else
106: utf8_set(&gc->data, '*');
107: break;
108: case PANE_LINES_DOUBLE:
109: gc->attr &= ~GRID_ATTR_CHARSET;
110: utf8_copy(&gc->data, &screen_redraw_double_borders[cell_type]);
111: break;
112: case PANE_LINES_HEAVY:
113: gc->attr &= ~GRID_ATTR_CHARSET;
114: utf8_copy(&gc->data, &screen_redraw_heavy_borders[cell_type]);
115: break;
116: case PANE_LINES_SIMPLE:
117: gc->attr &= ~GRID_ATTR_CHARSET;
118: utf8_set(&gc->data, " |-+++++++++."[cell_type]);
119: break;
120: default:
121: gc->attr |= GRID_ATTR_CHARSET;
122: utf8_set(&gc->data, CELL_BORDERS[cell_type]);
123: break;
124: }
125: }
126:
1.75 nicm 127: /* Return if window has only two panes. */
1.39 nicm 128: static int
1.75 nicm 129: screen_redraw_two_panes(struct window *w, int direction)
1.15 nicm 130: {
1.75 nicm 131: struct window_pane *wp;
132:
133: wp = TAILQ_NEXT(TAILQ_FIRST(&w->panes), entry);
134: if (wp == NULL)
135: return (0); /* one pane */
136: if (TAILQ_NEXT(wp, entry) != NULL)
137: return (0); /* more than two panes */
138: if (direction == 0 && wp->xoff == 0)
139: return (0);
140: if (direction == 1 && wp->yoff == 0)
141: return (0);
142: return (1);
143: }
144:
145: /* Check if cell is on the border of a pane. */
146: static enum screen_redraw_border_type
147: screen_redraw_pane_border(struct window_pane *wp, u_int px, u_int py,
148: int pane_status)
149: {
150: u_int ex = wp->xoff + wp->sx, ey = wp->yoff + wp->sy;
151:
1.15 nicm 152: /* Inside pane. */
1.75 nicm 153: if (px >= wp->xoff && px < ex && py >= wp->yoff && py < ey)
154: return (SCREEN_REDRAW_INSIDE);
1.15 nicm 155:
156: /* Left/right borders. */
1.75 nicm 157: if (pane_status == PANE_STATUS_OFF) {
158: if (screen_redraw_two_panes(wp->window, 0)) {
159: if (wp->xoff == 0 && px == wp->sx && py <= wp->sy / 2)
160: return (SCREEN_REDRAW_BORDER);
161: if (wp->xoff != 0 &&
162: px == wp->xoff - 1 &&
163: py > wp->sy / 2)
164: return (SCREEN_REDRAW_BORDER);
165: } else {
166: if ((wp->yoff == 0 || py >= wp->yoff - 1) && py <= ey) {
167: if (wp->xoff != 0 && px == wp->xoff - 1)
168: return (SCREEN_REDRAW_BORDER);
169: if (px == ex)
170: return (SCREEN_REDRAW_BORDER);
171: }
172: }
173: } else {
174: if ((wp->yoff == 0 || py >= wp->yoff - 1) && py <= ey) {
175: if (wp->xoff != 0 && px == wp->xoff - 1)
176: return (SCREEN_REDRAW_BORDER);
177: if (px == ex)
178: return (SCREEN_REDRAW_BORDER);
179: }
1.15 nicm 180: }
181:
182: /* Top/bottom borders. */
1.75 nicm 183: if (pane_status == PANE_STATUS_OFF) {
184: if (screen_redraw_two_panes(wp->window, 1)) {
185: if (wp->yoff == 0 && py == wp->sy && px <= wp->sx / 2)
186: return (SCREEN_REDRAW_BORDER);
187: if (wp->yoff != 0 &&
188: py == wp->yoff - 1 &&
189: px > wp->sx / 2)
190: return (SCREEN_REDRAW_BORDER);
191: } else {
192: if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= ex) {
193: if (wp->yoff != 0 && py == wp->yoff - 1)
194: return (SCREEN_REDRAW_BORDER);
195: if (py == ey)
196: return (SCREEN_REDRAW_BORDER);
197: }
198: }
199: } else if (pane_status == PANE_STATUS_TOP) {
200: if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= ex) {
201: if (wp->yoff != 0 && py == wp->yoff - 1)
202: return (SCREEN_REDRAW_BORDER);
203: }
204: } else {
205: if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= ex) {
206: if (py == ey)
207: return (SCREEN_REDRAW_BORDER);
208: }
1.15 nicm 209: }
210:
211: /* Outside pane. */
1.75 nicm 212: return (SCREEN_REDRAW_OUTSIDE);
1.15 nicm 213: }
214:
1.75 nicm 215: /* Check if a cell is on a border. */
1.39 nicm 216: static int
1.75 nicm 217: screen_redraw_cell_border(struct client *c, u_int px, u_int py, int pane_status)
1.1 nicm 218: {
219: struct window *w = c->session->curw->window;
220: struct window_pane *wp;
1.75 nicm 221:
222: /* Outside the window? */
223: if (px > w->sx || py > w->sy)
224: return (0);
225:
226: /* On the window border? */
227: if (px == w->sx || py == w->sy)
228: return (1);
1.1 nicm 229:
1.7 nicm 230: /* Check all the panes. */
1.1 nicm 231: TAILQ_FOREACH(wp, &w->panes, entry) {
1.3 nicm 232: if (!window_pane_visible(wp))
233: continue;
1.75 nicm 234: switch (screen_redraw_pane_border(wp, px, py, pane_status)) {
235: case SCREEN_REDRAW_INSIDE:
236: return (0);
237: case SCREEN_REDRAW_BORDER:
238: return (1);
239: case SCREEN_REDRAW_OUTSIDE:
240: break;
241: }
1.7 nicm 242: }
243:
244: return (0);
245: }
246:
1.75 nicm 247: /* Work out type of border cell from surrounding cells. */
248: static int
249: screen_redraw_type_of_cell(struct client *c, u_int px, u_int py,
250: int pane_status)
251: {
252: struct window *w = c->session->curw->window;
253: u_int sx = w->sx, sy = w->sy;
254: int borders = 0;
255:
1.79 nicm 256: /* Is this outside the window? */
1.81 ! nicm 257: if (px > sx || py > sy)
1.79 nicm 258: return (CELL_OUTSIDE);
259:
1.75 nicm 260: /*
261: * Construct a bitmask of whether the cells to the left (bit 4), right,
262: * top, and bottom (bit 1) of this cell are borders.
263: */
264: if (px == 0 || screen_redraw_cell_border(c, px - 1, py, pane_status))
265: borders |= 8;
266: if (px <= sx && screen_redraw_cell_border(c, px + 1, py, pane_status))
267: borders |= 4;
268: if (pane_status == PANE_STATUS_TOP) {
269: if (py != 0 &&
270: screen_redraw_cell_border(c, px, py - 1, pane_status))
271: borders |= 2;
1.79 nicm 272: if (screen_redraw_cell_border(c, px, py + 1, pane_status))
273: borders |= 1;
1.80 nicm 274: } else if (pane_status == PANE_STATUS_BOTTOM) {
1.75 nicm 275: if (py == 0 ||
276: screen_redraw_cell_border(c, px, py - 1, pane_status))
1.79 nicm 277: borders |= 2;
278: if (py != sy - 1 &&
279: screen_redraw_cell_border(c, px, py + 1, pane_status))
1.80 nicm 280: borders |= 1;
281: } else {
282: if (py == 0 ||
283: screen_redraw_cell_border(c, px, py - 1, pane_status))
284: borders |= 2;
285: if (screen_redraw_cell_border(c, px, py + 1, pane_status))
1.79 nicm 286: borders |= 1;
1.75 nicm 287: }
288:
289: /*
290: * Figure out what kind of border this cell is. Only one bit set
291: * doesn't make sense (can't have a border cell with no others
292: * connected).
293: */
294: switch (borders) {
295: case 15: /* 1111, left right top bottom */
296: return (CELL_JOIN);
297: case 14: /* 1110, left right top */
298: return (CELL_BOTTOMJOIN);
299: case 13: /* 1101, left right bottom */
300: return (CELL_TOPJOIN);
301: case 12: /* 1100, left right */
302: return (CELL_TOPBOTTOM);
303: case 11: /* 1011, left top bottom */
304: return (CELL_RIGHTJOIN);
305: case 10: /* 1010, left top */
306: return (CELL_BOTTOMRIGHT);
307: case 9: /* 1001, left bottom */
308: return (CELL_TOPRIGHT);
309: case 7: /* 0111, right top bottom */
310: return (CELL_LEFTJOIN);
311: case 6: /* 0110, right top */
312: return (CELL_BOTTOMLEFT);
313: case 5: /* 0101, right bottom */
314: return (CELL_TOPLEFT);
315: case 3: /* 0011, top bottom */
316: return (CELL_LEFTRIGHT);
317: }
318: return (CELL_OUTSIDE);
319: }
320:
1.7 nicm 321: /* Check if cell inside a pane. */
1.39 nicm 322: static int
1.36 nicm 323: screen_redraw_check_cell(struct client *c, u_int px, u_int py, int pane_status,
1.24 nicm 324: struct window_pane **wpp)
1.7 nicm 325: {
326: struct window *w = c->session->curw->window;
1.77 nicm 327: struct window_pane *wp, *active;
1.75 nicm 328: int border;
1.36 nicm 329: u_int right, line;
1.7 nicm 330:
1.39 nicm 331: *wpp = NULL;
332:
1.81 ! nicm 333: if (px > w->sx || py > w->sy)
1.7 nicm 334: return (CELL_OUTSIDE);
1.75 nicm 335: if (px == w->sx || py == w->sy) /* window border */
336: return (screen_redraw_type_of_cell(c, px, py, pane_status));
1.7 nicm 337:
1.64 nicm 338: if (pane_status != PANE_STATUS_OFF) {
1.77 nicm 339: active = wp = server_client_get_pane(c);
1.75 nicm 340: do {
1.36 nicm 341: if (!window_pane_visible(wp))
1.75 nicm 342: goto next1;
1.36 nicm 343:
1.64 nicm 344: if (pane_status == PANE_STATUS_TOP)
1.36 nicm 345: line = wp->yoff - 1;
346: else
347: line = wp->yoff + wp->sy;
348: right = wp->xoff + 2 + wp->status_size - 1;
349:
350: if (py == line && px >= wp->xoff + 2 && px <= right)
351: return (CELL_INSIDE);
1.75 nicm 352:
353: next1:
354: wp = TAILQ_NEXT(wp, entry);
355: if (wp == NULL)
356: wp = TAILQ_FIRST(&w->panes);
1.77 nicm 357: } while (wp != active);
1.36 nicm 358: }
359:
1.77 nicm 360: active = wp = server_client_get_pane(c);
1.75 nicm 361: do {
1.7 nicm 362: if (!window_pane_visible(wp))
1.75 nicm 363: goto next2;
1.24 nicm 364: *wpp = wp;
1.7 nicm 365:
1.14 nicm 366: /*
1.75 nicm 367: * If definitely inside, return. If not on border, skip.
368: * Otherwise work out the cell.
1.7 nicm 369: */
1.75 nicm 370: border = screen_redraw_pane_border(wp, px, py, pane_status);
371: if (border == SCREEN_REDRAW_INSIDE)
372: return (CELL_INSIDE);
373: if (border == SCREEN_REDRAW_OUTSIDE)
374: goto next2;
375: return (screen_redraw_type_of_cell(c, px, py, pane_status));
376:
377: next2:
378: wp = TAILQ_NEXT(wp, entry);
379: if (wp == NULL)
380: wp = TAILQ_FIRST(&w->panes);
1.77 nicm 381: } while (wp != active);
1.1 nicm 382:
1.6 nicm 383: return (CELL_OUTSIDE);
1.1 nicm 384: }
385:
1.32 nicm 386: /* Check if the border of a particular pane. */
1.39 nicm 387: static int
1.75 nicm 388: screen_redraw_check_is(u_int px, u_int py, int pane_status,
389: struct window_pane *wp)
1.24 nicm 390: {
1.75 nicm 391: enum screen_redraw_border_type border;
1.36 nicm 392:
1.75 nicm 393: border = screen_redraw_pane_border(wp, px, py, pane_status);
394: if (border == SCREEN_REDRAW_BORDER)
1.24 nicm 395: return (1);
1.75 nicm 396: return (0);
1.36 nicm 397: }
398:
399: /* Update pane status. */
1.39 nicm 400: static int
1.79 nicm 401: screen_redraw_make_pane_status(struct client *c, struct window_pane *wp,
402: struct screen_redraw_ctx *rctx, int pane_lines)
1.36 nicm 403: {
1.79 nicm 404: struct window *w = wp->window;
1.36 nicm 405: struct grid_cell gc;
406: const char *fmt;
407: struct format_tree *ft;
1.59 nicm 408: char *expanded;
1.79 nicm 409: int pane_status = rctx->pane_status;
410: u_int width, i, cell_type, top, px, py;
1.36 nicm 411: struct screen_write_ctx ctx;
1.40 nicm 412: struct screen old;
1.36 nicm 413:
1.75 nicm 414: ft = format_create(c, NULL, FORMAT_PANE|wp->id, FORMAT_STATUS);
415: format_defaults(ft, c, c->session, c->session->curw, wp);
416:
1.77 nicm 417: if (wp == server_client_get_pane(c))
1.75 nicm 418: style_apply(&gc, w->options, "pane-active-border-style", ft);
1.36 nicm 419: else
1.75 nicm 420: style_apply(&gc, w->options, "pane-border-style", ft);
1.36 nicm 421: fmt = options_get_string(w->options, "pane-border-format");
422:
1.59 nicm 423: expanded = format_expand_time(ft, fmt);
1.60 nicm 424: if (wp->sx < 4)
425: wp->status_size = width = 0;
426: else
427: wp->status_size = width = wp->sx - 4;
1.59 nicm 428:
1.40 nicm 429: memcpy(&old, &wp->status_screen, sizeof old);
1.59 nicm 430: screen_init(&wp->status_screen, width, 1, 0);
1.36 nicm 431: wp->status_screen.mode = 0;
432:
1.76 nicm 433: screen_write_start(&ctx, &wp->status_screen);
1.59 nicm 434:
1.79 nicm 435: if (rctx->statustop)
436: top = rctx->statuslines;
437: else
438: top = 0;
439: for (i = 0; i < width; i++) {
440: px = wp->xoff + 2 + i;
441: if (rctx->pane_status == PANE_STATUS_TOP)
442: py = top + wp->yoff - 1;
443: else
444: py = top + wp->yoff + wp->sy;
445: cell_type = screen_redraw_type_of_cell(c, px, py, pane_status);
446: screen_redraw_border_set(wp, pane_lines, cell_type, &gc);
1.78 nicm 447: screen_write_cell(&ctx, &gc);
1.79 nicm 448: }
1.59 nicm 449: gc.attr &= ~GRID_ATTR_CHARSET;
1.36 nicm 450:
1.56 nicm 451: screen_write_cursormove(&ctx, 0, 0, 0);
1.59 nicm 452: format_draw(&ctx, &gc, width, expanded, NULL);
1.36 nicm 453: screen_write_stop(&ctx);
454:
1.59 nicm 455: free(expanded);
1.36 nicm 456: format_free(ft);
1.40 nicm 457:
458: if (grid_compare(wp->status_screen.grid, old.grid) == 0) {
459: screen_free(&old);
460: return (0);
461: }
462: screen_free(&old);
463: return (1);
1.36 nicm 464: }
465:
466: /* Draw pane status. */
1.39 nicm 467: static void
1.52 nicm 468: screen_redraw_draw_pane_status(struct screen_redraw_ctx *ctx)
1.36 nicm 469: {
1.53 nicm 470: struct client *c = ctx->c;
1.36 nicm 471: struct window *w = c->session->curw->window;
472: struct tty *tty = &c->tty;
473: struct window_pane *wp;
1.55 nicm 474: struct screen *s;
475: u_int i, x, width, xoff, yoff, size;
476:
477: log_debug("%s: %s @%u", __func__, c->name, w->id);
1.36 nicm 478:
479: TAILQ_FOREACH(wp, &w->panes, entry) {
1.40 nicm 480: if (!window_pane_visible(wp))
481: continue;
1.55 nicm 482: s = &wp->status_screen;
483:
484: size = wp->status_size;
1.64 nicm 485: if (ctx->pane_status == PANE_STATUS_TOP)
1.36 nicm 486: yoff = wp->yoff - 1;
487: else
488: yoff = wp->yoff + wp->sy;
1.55 nicm 489: xoff = wp->xoff + 2;
490:
491: if (xoff + size <= ctx->ox ||
492: xoff >= ctx->ox + ctx->sx ||
493: yoff < ctx->oy ||
494: yoff >= ctx->oy + ctx->sy)
495: continue;
496:
497: if (xoff >= ctx->ox && xoff + size <= ctx->ox + ctx->sx) {
498: /* All visible. */
499: i = 0;
500: x = xoff - ctx->ox;
501: width = size;
502: } else if (xoff < ctx->ox && xoff + size > ctx->ox + ctx->sx) {
503: /* Both left and right not visible. */
504: i = ctx->ox;
505: x = 0;
506: width = ctx->sx;
507: } else if (xoff < ctx->ox) {
508: /* Left not visible. */
509: i = ctx->ox - xoff;
510: x = 0;
511: width = size - i;
512: } else {
513: /* Right not visible. */
514: i = 0;
515: x = xoff - ctx->ox;
516: width = size - x;
517: }
1.36 nicm 518:
1.61 nicm 519: if (ctx->statustop)
520: yoff += ctx->statuslines;
1.76 nicm 521: tty_draw_line(tty, s, i, 0, width, x, yoff - ctx->oy,
522: &grid_default_cell, NULL);
1.36 nicm 523: }
524: tty_cursor(tty, 0, 0);
1.24 nicm 525: }
526:
1.38 nicm 527: /* Update status line and change flags if unchanged. */
1.54 nicm 528: static int
529: screen_redraw_update(struct client *c, int flags)
1.38 nicm 530: {
531: struct window *w = c->session->curw->window;
532: struct window_pane *wp;
533: struct options *wo = w->options;
1.78 nicm 534: int redraw, lines;
1.79 nicm 535: struct screen_redraw_ctx ctx;
1.38 nicm 536:
537: if (c->message_string != NULL)
538: redraw = status_message_redraw(c);
539: else if (c->prompt_string != NULL)
540: redraw = status_prompt_redraw(c);
541: else
542: redraw = status_redraw(c);
1.54 nicm 543: if (!redraw && (~flags & CLIENT_REDRAWSTATUSALWAYS))
544: flags &= ~CLIENT_REDRAWSTATUS;
1.38 nicm 545:
1.63 nicm 546: if (c->overlay_draw != NULL)
547: flags |= CLIENT_REDRAWOVERLAY;
548:
1.64 nicm 549: if (options_get_number(wo, "pane-border-status") != PANE_STATUS_OFF) {
1.79 nicm 550: screen_redraw_set_context(c, &ctx);
1.78 nicm 551: lines = options_get_number(wo, "pane-border-lines");
1.38 nicm 552: redraw = 0;
553: TAILQ_FOREACH(wp, &w->panes, entry) {
1.79 nicm 554: if (screen_redraw_make_pane_status(c, wp, &ctx, lines))
1.38 nicm 555: redraw = 1;
556: }
557: if (redraw)
1.54 nicm 558: flags |= CLIENT_REDRAWBORDERS;
1.38 nicm 559: }
1.54 nicm 560: return (flags);
1.38 nicm 561: }
562:
1.52 nicm 563: /* Set up redraw context. */
564: static void
565: screen_redraw_set_context(struct client *c, struct screen_redraw_ctx *ctx)
566: {
1.53 nicm 567: struct session *s = c->session;
568: struct options *oo = s->options;
569: struct window *w = s->curw->window;
570: struct options *wo = w->options;
1.61 nicm 571: u_int lines;
1.52 nicm 572:
573: memset(ctx, 0, sizeof *ctx);
574: ctx->c = c;
575:
1.61 nicm 576: lines = status_line_size(c);
1.55 nicm 577: if (c->message_string != NULL || c->prompt_string != NULL)
1.61 nicm 578: lines = (lines == 0) ? 1 : lines;
579: if (lines != 0 && options_get_number(oo, "status-position") == 0)
580: ctx->statustop = 1;
581: ctx->statuslines = lines;
582:
1.52 nicm 583: ctx->pane_status = options_get_number(wo, "pane-border-status");
1.78 nicm 584: ctx->pane_lines = options_get_number(wo, "pane-border-lines");
1.52 nicm 585:
1.55 nicm 586: tty_window_offset(&c->tty, &ctx->ox, &ctx->oy, &ctx->sx, &ctx->sy);
587:
588: log_debug("%s: %s @%u ox=%u oy=%u sx=%u sy=%u %u/%d", __func__, c->name,
1.61 nicm 589: w->id, ctx->ox, ctx->oy, ctx->sx, ctx->sy, ctx->statuslines,
590: ctx->statustop);
1.52 nicm 591: }
592:
1.4 nicm 593: /* Redraw entire screen. */
1.1 nicm 594: void
1.53 nicm 595: screen_redraw_screen(struct client *c)
1.1 nicm 596: {
1.53 nicm 597: struct screen_redraw_ctx ctx;
1.54 nicm 598: int flags;
1.18 nicm 599:
600: if (c->flags & CLIENT_SUSPENDED)
601: return;
1.1 nicm 602:
1.54 nicm 603: flags = screen_redraw_update(c, c->flags);
1.74 nicm 604: if ((flags & CLIENT_ALLREDRAWFLAGS) == 0)
605: return;
606:
1.52 nicm 607: screen_redraw_set_context(c, &ctx);
1.74 nicm 608: tty_update_mode(&c->tty, c->tty.mode, NULL);
1.67 nicm 609: tty_sync_start(&c->tty);
1.51 nicm 610:
1.54 nicm 611: if (flags & (CLIENT_REDRAWWINDOW|CLIENT_REDRAWBORDERS)) {
1.70 nicm 612: log_debug("%s: redrawing borders", c->name);
1.64 nicm 613: if (ctx.pane_status != PANE_STATUS_OFF)
1.53 nicm 614: screen_redraw_draw_pane_status(&ctx);
1.50 nicm 615: screen_redraw_draw_borders(&ctx);
1.53 nicm 616: }
1.70 nicm 617: if (flags & CLIENT_REDRAWWINDOW) {
618: log_debug("%s: redrawing panes", c->name);
1.50 nicm 619: screen_redraw_draw_panes(&ctx);
1.70 nicm 620: }
1.61 nicm 621: if (ctx.statuslines != 0 &&
1.70 nicm 622: (flags & (CLIENT_REDRAWSTATUS|CLIENT_REDRAWSTATUSALWAYS))) {
623: log_debug("%s: redrawing status", c->name);
1.50 nicm 624: screen_redraw_draw_status(&ctx);
1.70 nicm 625: }
626: if (c->overlay_draw != NULL && (flags & CLIENT_REDRAWOVERLAY)) {
627: log_debug("%s: redrawing overlay", c->name);
1.61 nicm 628: c->overlay_draw(c, &ctx);
1.70 nicm 629: }
1.67 nicm 630:
1.52 nicm 631: tty_reset(&c->tty);
1.26 nicm 632: }
1.4 nicm 633:
1.55 nicm 634: /* Redraw a single pane. */
1.26 nicm 635: void
636: screen_redraw_pane(struct client *c, struct window_pane *wp)
637: {
1.55 nicm 638: struct screen_redraw_ctx ctx;
1.26 nicm 639:
1.63 nicm 640: if (c->overlay_draw != NULL || !window_pane_visible(wp))
1.4 nicm 641: return;
1.1 nicm 642:
1.55 nicm 643: screen_redraw_set_context(c, &ctx);
1.74 nicm 644: tty_update_mode(&c->tty, c->tty.mode, NULL);
1.67 nicm 645: tty_sync_start(&c->tty);
1.26 nicm 646:
1.55 nicm 647: screen_redraw_draw_pane(&ctx, wp);
1.67 nicm 648:
1.26 nicm 649: tty_reset(&c->tty);
650: }
651:
1.75 nicm 652: /* Get border cell style. */
653: static const struct grid_cell *
654: screen_redraw_draw_borders_style(struct screen_redraw_ctx *ctx, u_int x,
655: u_int y, struct window_pane *wp)
656: {
657: struct client *c = ctx->c;
658: struct session *s = c->session;
659: struct window *w = s->curw->window;
1.77 nicm 660: struct window_pane *active = server_client_get_pane(c);
1.75 nicm 661: struct options *oo = w->options;
662: struct format_tree *ft;
663:
664: if (wp->border_gc_set)
665: return (&wp->border_gc);
666: wp->border_gc_set = 1;
667:
668: ft = format_create_defaults(NULL, c, s, s->curw, wp);
1.78 nicm 669: if (screen_redraw_check_is(x, y, ctx->pane_status, active))
670: style_apply(&wp->border_gc, oo, "pane-active-border-style", ft);
671: else
672: style_apply(&wp->border_gc, oo, "pane-border-style", ft);
673: format_free(ft);
1.75 nicm 674:
1.78 nicm 675: return (&wp->border_gc);
1.75 nicm 676: }
677:
1.50 nicm 678: /* Draw a border cell. */
679: static void
1.75 nicm 680: screen_redraw_draw_borders_cell(struct screen_redraw_ctx *ctx, u_int i, u_int j)
1.50 nicm 681: {
1.53 nicm 682: struct client *c = ctx->c;
683: struct session *s = c->session;
684: struct tty *tty = &c->tty;
685: struct window_pane *wp;
1.78 nicm 686: u_int cell_type, x = ctx->ox + i, y = ctx->oy + j;
1.75 nicm 687: int pane_status = ctx->pane_status;
1.78 nicm 688: struct grid_cell gc;
689: const struct grid_cell *tmp;
1.50 nicm 690:
1.66 nicm 691: if (c->overlay_check != NULL && !c->overlay_check(c, x, y))
692: return;
1.75 nicm 693:
1.78 nicm 694: cell_type = screen_redraw_check_cell(c, x, y, pane_status, &wp);
695: if (cell_type == CELL_INSIDE)
1.50 nicm 696: return;
697:
1.75 nicm 698: if (wp == NULL)
1.78 nicm 699: memcpy(&gc, &grid_default_cell, sizeof gc);
1.75 nicm 700: else {
1.78 nicm 701: tmp = screen_redraw_draw_borders_style(ctx, x, y, wp);
702: if (tmp == NULL)
1.75 nicm 703: return;
1.78 nicm 704: memcpy(&gc, tmp, sizeof gc);
1.75 nicm 705:
706: if (server_is_marked(s, s->curw, marked_pane.wp) &&
1.78 nicm 707: screen_redraw_check_is(x, y, pane_status, marked_pane.wp))
708: gc.attr ^= GRID_ATTR_REVERSE;
1.75 nicm 709: }
1.78 nicm 710: screen_redraw_border_set(wp, ctx->pane_lines, cell_type, &gc);
1.75 nicm 711:
1.61 nicm 712: if (ctx->statustop)
713: tty_cursor(tty, i, ctx->statuslines + j);
1.50 nicm 714: else
1.55 nicm 715: tty_cursor(tty, i, j);
1.78 nicm 716: tty_cell(tty, &gc, &grid_default_cell, NULL);
1.50 nicm 717: }
718:
1.26 nicm 719: /* Draw the borders. */
1.39 nicm 720: static void
1.50 nicm 721: screen_redraw_draw_borders(struct screen_redraw_ctx *ctx)
1.26 nicm 722: {
1.50 nicm 723: struct client *c = ctx->c;
1.32 nicm 724: struct session *s = c->session;
725: struct window *w = s->curw->window;
1.75 nicm 726: struct window_pane *wp;
1.55 nicm 727: u_int i, j;
728:
729: log_debug("%s: %s @%u", __func__, c->name, w->id);
1.26 nicm 730:
1.75 nicm 731: TAILQ_FOREACH(wp, &w->panes, entry)
732: wp->border_gc_set = 0;
733:
734: for (j = 0; j < c->tty.sy - ctx->statuslines; j++) {
735: for (i = 0; i < c->tty.sx; i++)
736: screen_redraw_draw_borders_cell(ctx, i, j);
1.28 nicm 737: }
1.26 nicm 738: }
1.1 nicm 739:
1.26 nicm 740: /* Draw the panes. */
1.39 nicm 741: static void
1.50 nicm 742: screen_redraw_draw_panes(struct screen_redraw_ctx *ctx)
1.26 nicm 743: {
1.50 nicm 744: struct client *c = ctx->c;
1.26 nicm 745: struct window *w = c->session->curw->window;
746: struct window_pane *wp;
1.47 nicm 747:
1.55 nicm 748: log_debug("%s: %s @%u", __func__, c->name, w->id);
749:
1.1 nicm 750: TAILQ_FOREACH(wp, &w->panes, entry) {
1.61 nicm 751: if (window_pane_visible(wp))
752: screen_redraw_draw_pane(ctx, wp);
1.1 nicm 753: }
754: }
755:
1.26 nicm 756: /* Draw the status line. */
1.39 nicm 757: static void
1.50 nicm 758: screen_redraw_draw_status(struct screen_redraw_ctx *ctx)
1.1 nicm 759: {
1.50 nicm 760: struct client *c = ctx->c;
1.55 nicm 761: struct window *w = c->session->curw->window;
1.26 nicm 762: struct tty *tty = &c->tty;
1.58 nicm 763: struct screen *s = c->status.active;
1.47 nicm 764: u_int i, y;
1.23 nicm 765:
1.55 nicm 766: log_debug("%s: %s @%u", __func__, c->name, w->id);
767:
1.61 nicm 768: if (ctx->statustop)
1.47 nicm 769: y = 0;
1.26 nicm 770: else
1.61 nicm 771: y = c->tty.sy - ctx->statuslines;
1.76 nicm 772: for (i = 0; i < ctx->statuslines; i++) {
773: tty_draw_line(tty, s, 0, i, UINT_MAX, 0, y + i,
774: &grid_default_cell, NULL);
775: }
1.55 nicm 776: }
777:
778: /* Draw one pane. */
779: static void
780: screen_redraw_draw_pane(struct screen_redraw_ctx *ctx, struct window_pane *wp)
781: {
782: struct client *c = ctx->c;
783: struct window *w = c->session->curw->window;
784: struct tty *tty = &c->tty;
785: struct screen *s;
1.76 nicm 786: struct grid_cell defaults;
1.55 nicm 787: u_int i, j, top, x, y, width;
788:
789: log_debug("%s: %s @%u %%%u", __func__, c->name, w->id, wp->id);
790:
791: if (wp->xoff + wp->sx <= ctx->ox || wp->xoff >= ctx->ox + ctx->sx)
792: return;
1.61 nicm 793: if (ctx->statustop)
794: top = ctx->statuslines;
1.55 nicm 795: else
796: top = 0;
797:
798: s = wp->screen;
799: for (j = 0; j < wp->sy; j++) {
800: if (wp->yoff + j < ctx->oy || wp->yoff + j >= ctx->oy + ctx->sy)
801: continue;
802: y = top + wp->yoff + j - ctx->oy;
803:
804: if (wp->xoff >= ctx->ox &&
805: wp->xoff + wp->sx <= ctx->ox + ctx->sx) {
806: /* All visible. */
807: i = 0;
808: x = wp->xoff - ctx->ox;
809: width = wp->sx;
810: } else if (wp->xoff < ctx->ox &&
811: wp->xoff + wp->sx > ctx->ox + ctx->sx) {
812: /* Both left and right not visible. */
813: i = ctx->ox;
814: x = 0;
815: width = ctx->sx;
816: } else if (wp->xoff < ctx->ox) {
817: /* Left not visible. */
818: i = ctx->ox - wp->xoff;
819: x = 0;
820: width = wp->sx - i;
821: } else {
822: /* Right not visible. */
823: i = 0;
824: x = wp->xoff - ctx->ox;
825: width = ctx->sx - x;
826: }
827: log_debug("%s: %s %%%u line %u,%u at %u,%u, width %u",
828: __func__, c->name, wp->id, i, j, x, y, width);
829:
1.76 nicm 830: tty_default_colours(&defaults, wp);
831: tty_draw_line(tty, s, i, j, width, x, y, &defaults,
832: wp->palette);
1.55 nicm 833: }
1.1 nicm 834: }
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