Annotation of src/usr.bin/tmux/screen-redraw.c, Revision 1.96
1.96 ! nicm 1: /* $OpenBSD: screen-redraw.c,v 1.95 2022/03/16 17:00:17 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:
1.83 nicm 34: #define START_ISOLATE "\342\201\246"
35: #define END_ISOLATE "\342\201\251"
36:
1.93 nicm 37: /* Border in relation to a pane. */
1.75 nicm 38: enum screen_redraw_border_type {
39: SCREEN_REDRAW_OUTSIDE,
40: SCREEN_REDRAW_INSIDE,
1.93 nicm 41: SCREEN_REDRAW_BORDER_LEFT,
42: SCREEN_REDRAW_BORDER_RIGHT,
43: SCREEN_REDRAW_BORDER_TOP,
44: SCREEN_REDRAW_BORDER_BOTTOM
1.75 nicm 45: };
1.93 nicm 46: #define BORDER_MARKERS " +,.-"
1.75 nicm 47:
1.78 nicm 48: /* Get cell border character. */
49: static void
1.95 nicm 50: screen_redraw_border_set(struct window *w, struct window_pane *wp,
51: enum pane_lines pane_lines, int cell_type, struct grid_cell *gc)
1.78 nicm 52: {
53: u_int idx;
54:
1.95 nicm 55: if (cell_type == CELL_OUTSIDE && w->fill_character != NULL) {
56: utf8_copy(&gc->data, &w->fill_character[0]);
57: return;
58: }
59:
1.78 nicm 60: switch (pane_lines) {
61: case PANE_LINES_NUMBER:
62: if (cell_type == CELL_OUTSIDE) {
63: gc->attr |= GRID_ATTR_CHARSET;
64: utf8_set(&gc->data, CELL_BORDERS[CELL_OUTSIDE]);
65: break;
66: }
67: gc->attr &= ~GRID_ATTR_CHARSET;
68: if (wp != NULL && window_pane_index(wp, &idx) == 0)
69: utf8_set(&gc->data, '0' + (idx % 10));
70: else
71: utf8_set(&gc->data, '*');
72: break;
73: case PANE_LINES_DOUBLE:
74: gc->attr &= ~GRID_ATTR_CHARSET;
1.90 nicm 75: utf8_copy(&gc->data, tty_acs_double_borders(cell_type));
1.78 nicm 76: break;
77: case PANE_LINES_HEAVY:
78: gc->attr &= ~GRID_ATTR_CHARSET;
1.90 nicm 79: utf8_copy(&gc->data, tty_acs_heavy_borders(cell_type));
1.78 nicm 80: break;
81: case PANE_LINES_SIMPLE:
82: gc->attr &= ~GRID_ATTR_CHARSET;
1.90 nicm 83: utf8_set(&gc->data, SIMPLE_BORDERS[cell_type]);
1.78 nicm 84: break;
85: default:
86: gc->attr |= GRID_ATTR_CHARSET;
87: utf8_set(&gc->data, CELL_BORDERS[cell_type]);
88: break;
89: }
90: }
91:
1.75 nicm 92: /* Return if window has only two panes. */
1.39 nicm 93: static int
1.75 nicm 94: screen_redraw_two_panes(struct window *w, int direction)
1.15 nicm 95: {
1.75 nicm 96: struct window_pane *wp;
97:
98: wp = TAILQ_NEXT(TAILQ_FIRST(&w->panes), entry);
99: if (wp == NULL)
100: return (0); /* one pane */
101: if (TAILQ_NEXT(wp, entry) != NULL)
102: return (0); /* more than two panes */
103: if (direction == 0 && wp->xoff == 0)
104: return (0);
105: if (direction == 1 && wp->yoff == 0)
106: return (0);
107: return (1);
108: }
109:
110: /* Check if cell is on the border of a pane. */
111: static enum screen_redraw_border_type
112: screen_redraw_pane_border(struct window_pane *wp, u_int px, u_int py,
113: int pane_status)
114: {
1.93 nicm 115: struct options *oo = wp->window->options;
116: int split = 0;
117: u_int ex = wp->xoff + wp->sx, ey = wp->yoff + wp->sy;
1.75 nicm 118:
1.15 nicm 119: /* Inside pane. */
1.75 nicm 120: if (px >= wp->xoff && px < ex && py >= wp->yoff && py < ey)
121: return (SCREEN_REDRAW_INSIDE);
1.15 nicm 122:
1.93 nicm 123: /* Get pane indicator. */
124: switch (options_get_number(oo, "pane-border-indicators")) {
125: case PANE_BORDER_COLOUR:
126: case PANE_BORDER_BOTH:
127: split = 1;
128: break;
129: }
130:
1.15 nicm 131: /* Left/right borders. */
1.75 nicm 132: if (pane_status == PANE_STATUS_OFF) {
1.93 nicm 133: if (screen_redraw_two_panes(wp->window, 0) && split) {
1.75 nicm 134: if (wp->xoff == 0 && px == wp->sx && py <= wp->sy / 2)
1.93 nicm 135: return (SCREEN_REDRAW_BORDER_RIGHT);
1.75 nicm 136: if (wp->xoff != 0 &&
137: px == wp->xoff - 1 &&
138: py > wp->sy / 2)
1.93 nicm 139: return (SCREEN_REDRAW_BORDER_LEFT);
1.75 nicm 140: } else {
141: if ((wp->yoff == 0 || py >= wp->yoff - 1) && py <= ey) {
142: if (wp->xoff != 0 && px == wp->xoff - 1)
1.93 nicm 143: return (SCREEN_REDRAW_BORDER_LEFT);
1.75 nicm 144: if (px == ex)
1.93 nicm 145: return (SCREEN_REDRAW_BORDER_RIGHT);
1.75 nicm 146: }
147: }
148: } else {
149: if ((wp->yoff == 0 || py >= wp->yoff - 1) && py <= ey) {
150: if (wp->xoff != 0 && px == wp->xoff - 1)
1.93 nicm 151: return (SCREEN_REDRAW_BORDER_LEFT);
1.75 nicm 152: if (px == ex)
1.93 nicm 153: return (SCREEN_REDRAW_BORDER_RIGHT);
1.75 nicm 154: }
1.15 nicm 155: }
156:
157: /* Top/bottom borders. */
1.75 nicm 158: if (pane_status == PANE_STATUS_OFF) {
1.93 nicm 159: if (screen_redraw_two_panes(wp->window, 1) && split) {
1.75 nicm 160: if (wp->yoff == 0 && py == wp->sy && px <= wp->sx / 2)
1.93 nicm 161: return (SCREEN_REDRAW_BORDER_BOTTOM);
1.75 nicm 162: if (wp->yoff != 0 &&
163: py == wp->yoff - 1 &&
164: px > wp->sx / 2)
1.93 nicm 165: return (SCREEN_REDRAW_BORDER_TOP);
1.75 nicm 166: } else {
167: if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= ex) {
168: if (wp->yoff != 0 && py == wp->yoff - 1)
1.93 nicm 169: return (SCREEN_REDRAW_BORDER_TOP);
1.75 nicm 170: if (py == ey)
1.93 nicm 171: return (SCREEN_REDRAW_BORDER_BOTTOM);
1.75 nicm 172: }
173: }
174: } else if (pane_status == PANE_STATUS_TOP) {
175: if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= ex) {
176: if (wp->yoff != 0 && py == wp->yoff - 1)
1.93 nicm 177: return (SCREEN_REDRAW_BORDER_TOP);
1.75 nicm 178: }
179: } else {
180: if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= ex) {
181: if (py == ey)
1.93 nicm 182: return (SCREEN_REDRAW_BORDER_BOTTOM);
1.75 nicm 183: }
1.15 nicm 184: }
185:
186: /* Outside pane. */
1.75 nicm 187: return (SCREEN_REDRAW_OUTSIDE);
1.15 nicm 188: }
189:
1.75 nicm 190: /* Check if a cell is on a border. */
1.39 nicm 191: static int
1.75 nicm 192: screen_redraw_cell_border(struct client *c, u_int px, u_int py, int pane_status)
1.1 nicm 193: {
194: struct window *w = c->session->curw->window;
195: struct window_pane *wp;
1.75 nicm 196:
197: /* Outside the window? */
198: if (px > w->sx || py > w->sy)
199: return (0);
200:
201: /* On the window border? */
202: if (px == w->sx || py == w->sy)
203: return (1);
1.1 nicm 204:
1.7 nicm 205: /* Check all the panes. */
1.1 nicm 206: TAILQ_FOREACH(wp, &w->panes, entry) {
1.3 nicm 207: if (!window_pane_visible(wp))
208: continue;
1.75 nicm 209: switch (screen_redraw_pane_border(wp, px, py, pane_status)) {
210: case SCREEN_REDRAW_INSIDE:
211: return (0);
212: case SCREEN_REDRAW_OUTSIDE:
213: break;
1.93 nicm 214: default:
215: return (1);
1.75 nicm 216: }
1.7 nicm 217: }
218:
219: return (0);
220: }
221:
1.75 nicm 222: /* Work out type of border cell from surrounding cells. */
223: static int
224: screen_redraw_type_of_cell(struct client *c, u_int px, u_int py,
225: int pane_status)
226: {
227: struct window *w = c->session->curw->window;
228: u_int sx = w->sx, sy = w->sy;
229: int borders = 0;
230:
1.79 nicm 231: /* Is this outside the window? */
1.81 nicm 232: if (px > sx || py > sy)
1.79 nicm 233: return (CELL_OUTSIDE);
234:
1.75 nicm 235: /*
236: * Construct a bitmask of whether the cells to the left (bit 4), right,
237: * top, and bottom (bit 1) of this cell are borders.
238: */
239: if (px == 0 || screen_redraw_cell_border(c, px - 1, py, pane_status))
240: borders |= 8;
241: if (px <= sx && screen_redraw_cell_border(c, px + 1, py, pane_status))
242: borders |= 4;
243: if (pane_status == PANE_STATUS_TOP) {
244: if (py != 0 &&
245: screen_redraw_cell_border(c, px, py - 1, pane_status))
246: borders |= 2;
1.79 nicm 247: if (screen_redraw_cell_border(c, px, py + 1, pane_status))
248: borders |= 1;
1.80 nicm 249: } else if (pane_status == PANE_STATUS_BOTTOM) {
1.75 nicm 250: if (py == 0 ||
251: screen_redraw_cell_border(c, px, py - 1, pane_status))
1.79 nicm 252: borders |= 2;
253: if (py != sy - 1 &&
254: screen_redraw_cell_border(c, px, py + 1, pane_status))
1.80 nicm 255: borders |= 1;
256: } else {
257: if (py == 0 ||
258: screen_redraw_cell_border(c, px, py - 1, pane_status))
259: borders |= 2;
260: if (screen_redraw_cell_border(c, px, py + 1, pane_status))
1.79 nicm 261: borders |= 1;
1.75 nicm 262: }
263:
264: /*
265: * Figure out what kind of border this cell is. Only one bit set
266: * doesn't make sense (can't have a border cell with no others
267: * connected).
268: */
269: switch (borders) {
270: case 15: /* 1111, left right top bottom */
271: return (CELL_JOIN);
272: case 14: /* 1110, left right top */
273: return (CELL_BOTTOMJOIN);
274: case 13: /* 1101, left right bottom */
275: return (CELL_TOPJOIN);
276: case 12: /* 1100, left right */
1.83 nicm 277: return (CELL_LEFTRIGHT);
1.75 nicm 278: case 11: /* 1011, left top bottom */
279: return (CELL_RIGHTJOIN);
280: case 10: /* 1010, left top */
281: return (CELL_BOTTOMRIGHT);
282: case 9: /* 1001, left bottom */
283: return (CELL_TOPRIGHT);
284: case 7: /* 0111, right top bottom */
285: return (CELL_LEFTJOIN);
286: case 6: /* 0110, right top */
287: return (CELL_BOTTOMLEFT);
288: case 5: /* 0101, right bottom */
289: return (CELL_TOPLEFT);
290: case 3: /* 0011, top bottom */
1.83 nicm 291: return (CELL_TOPBOTTOM);
1.75 nicm 292: }
293: return (CELL_OUTSIDE);
294: }
295:
1.7 nicm 296: /* Check if cell inside a pane. */
1.39 nicm 297: static int
1.36 nicm 298: screen_redraw_check_cell(struct client *c, u_int px, u_int py, int pane_status,
1.24 nicm 299: struct window_pane **wpp)
1.7 nicm 300: {
301: struct window *w = c->session->curw->window;
1.77 nicm 302: struct window_pane *wp, *active;
1.75 nicm 303: int border;
1.36 nicm 304: u_int right, line;
1.7 nicm 305:
1.39 nicm 306: *wpp = NULL;
307:
1.81 nicm 308: if (px > w->sx || py > w->sy)
1.7 nicm 309: return (CELL_OUTSIDE);
1.75 nicm 310: if (px == w->sx || py == w->sy) /* window border */
311: return (screen_redraw_type_of_cell(c, px, py, pane_status));
1.7 nicm 312:
1.64 nicm 313: if (pane_status != PANE_STATUS_OFF) {
1.77 nicm 314: active = wp = server_client_get_pane(c);
1.75 nicm 315: do {
1.36 nicm 316: if (!window_pane_visible(wp))
1.75 nicm 317: goto next1;
1.36 nicm 318:
1.64 nicm 319: if (pane_status == PANE_STATUS_TOP)
1.36 nicm 320: line = wp->yoff - 1;
321: else
322: line = wp->yoff + wp->sy;
323: right = wp->xoff + 2 + wp->status_size - 1;
324:
325: if (py == line && px >= wp->xoff + 2 && px <= right)
326: return (CELL_INSIDE);
1.75 nicm 327:
328: next1:
329: wp = TAILQ_NEXT(wp, entry);
330: if (wp == NULL)
331: wp = TAILQ_FIRST(&w->panes);
1.77 nicm 332: } while (wp != active);
1.36 nicm 333: }
334:
1.77 nicm 335: active = wp = server_client_get_pane(c);
1.75 nicm 336: do {
1.7 nicm 337: if (!window_pane_visible(wp))
1.75 nicm 338: goto next2;
1.24 nicm 339: *wpp = wp;
1.7 nicm 340:
1.14 nicm 341: /*
1.75 nicm 342: * If definitely inside, return. If not on border, skip.
343: * Otherwise work out the cell.
1.7 nicm 344: */
1.75 nicm 345: border = screen_redraw_pane_border(wp, px, py, pane_status);
346: if (border == SCREEN_REDRAW_INSIDE)
347: return (CELL_INSIDE);
348: if (border == SCREEN_REDRAW_OUTSIDE)
349: goto next2;
350: return (screen_redraw_type_of_cell(c, px, py, pane_status));
351:
352: next2:
353: wp = TAILQ_NEXT(wp, entry);
354: if (wp == NULL)
355: wp = TAILQ_FIRST(&w->panes);
1.77 nicm 356: } while (wp != active);
1.1 nicm 357:
1.6 nicm 358: return (CELL_OUTSIDE);
1.1 nicm 359: }
360:
1.32 nicm 361: /* Check if the border of a particular pane. */
1.39 nicm 362: static int
1.75 nicm 363: screen_redraw_check_is(u_int px, u_int py, int pane_status,
364: struct window_pane *wp)
1.24 nicm 365: {
1.75 nicm 366: enum screen_redraw_border_type border;
1.36 nicm 367:
1.75 nicm 368: border = screen_redraw_pane_border(wp, px, py, pane_status);
1.93 nicm 369: if (border != SCREEN_REDRAW_INSIDE && border != SCREEN_REDRAW_OUTSIDE)
1.24 nicm 370: return (1);
1.75 nicm 371: return (0);
1.36 nicm 372: }
373:
374: /* Update pane status. */
1.39 nicm 375: static int
1.79 nicm 376: screen_redraw_make_pane_status(struct client *c, struct window_pane *wp,
1.90 nicm 377: struct screen_redraw_ctx *rctx, enum pane_lines pane_lines)
1.36 nicm 378: {
1.79 nicm 379: struct window *w = wp->window;
1.36 nicm 380: struct grid_cell gc;
381: const char *fmt;
382: struct format_tree *ft;
1.59 nicm 383: char *expanded;
1.79 nicm 384: int pane_status = rctx->pane_status;
1.82 nicm 385: u_int width, i, cell_type, px, py;
1.36 nicm 386: struct screen_write_ctx ctx;
1.40 nicm 387: struct screen old;
1.36 nicm 388:
1.75 nicm 389: ft = format_create(c, NULL, FORMAT_PANE|wp->id, FORMAT_STATUS);
390: format_defaults(ft, c, c->session, c->session->curw, wp);
391:
1.77 nicm 392: if (wp == server_client_get_pane(c))
1.75 nicm 393: style_apply(&gc, w->options, "pane-active-border-style", ft);
1.36 nicm 394: else
1.75 nicm 395: style_apply(&gc, w->options, "pane-border-style", ft);
1.92 nicm 396: fmt = options_get_string(wp->options, "pane-border-format");
1.36 nicm 397:
1.59 nicm 398: expanded = format_expand_time(ft, fmt);
1.60 nicm 399: if (wp->sx < 4)
400: wp->status_size = width = 0;
401: else
402: wp->status_size = width = wp->sx - 4;
1.59 nicm 403:
1.40 nicm 404: memcpy(&old, &wp->status_screen, sizeof old);
1.59 nicm 405: screen_init(&wp->status_screen, width, 1, 0);
1.36 nicm 406: wp->status_screen.mode = 0;
407:
1.76 nicm 408: screen_write_start(&ctx, &wp->status_screen);
1.59 nicm 409:
1.79 nicm 410: for (i = 0; i < width; i++) {
411: px = wp->xoff + 2 + i;
412: if (rctx->pane_status == PANE_STATUS_TOP)
1.82 nicm 413: py = wp->yoff - 1;
1.79 nicm 414: else
1.82 nicm 415: py = wp->yoff + wp->sy;
1.79 nicm 416: cell_type = screen_redraw_type_of_cell(c, px, py, pane_status);
1.95 nicm 417: screen_redraw_border_set(w, wp, pane_lines, cell_type, &gc);
1.78 nicm 418: screen_write_cell(&ctx, &gc);
1.79 nicm 419: }
1.59 nicm 420: gc.attr &= ~GRID_ATTR_CHARSET;
1.36 nicm 421:
1.56 nicm 422: screen_write_cursormove(&ctx, 0, 0, 0);
1.91 nicm 423: format_draw(&ctx, &gc, width, expanded, NULL, 0);
1.36 nicm 424: screen_write_stop(&ctx);
425:
1.59 nicm 426: free(expanded);
1.36 nicm 427: format_free(ft);
1.40 nicm 428:
429: if (grid_compare(wp->status_screen.grid, old.grid) == 0) {
430: screen_free(&old);
431: return (0);
432: }
433: screen_free(&old);
434: return (1);
1.36 nicm 435: }
436:
437: /* Draw pane status. */
1.39 nicm 438: static void
1.52 nicm 439: screen_redraw_draw_pane_status(struct screen_redraw_ctx *ctx)
1.36 nicm 440: {
1.53 nicm 441: struct client *c = ctx->c;
1.36 nicm 442: struct window *w = c->session->curw->window;
443: struct tty *tty = &c->tty;
444: struct window_pane *wp;
1.55 nicm 445: struct screen *s;
446: u_int i, x, width, xoff, yoff, size;
447:
448: log_debug("%s: %s @%u", __func__, c->name, w->id);
1.36 nicm 449:
450: TAILQ_FOREACH(wp, &w->panes, entry) {
1.40 nicm 451: if (!window_pane_visible(wp))
452: continue;
1.55 nicm 453: s = &wp->status_screen;
454:
455: size = wp->status_size;
1.64 nicm 456: if (ctx->pane_status == PANE_STATUS_TOP)
1.36 nicm 457: yoff = wp->yoff - 1;
458: else
459: yoff = wp->yoff + wp->sy;
1.55 nicm 460: xoff = wp->xoff + 2;
461:
462: if (xoff + size <= ctx->ox ||
463: xoff >= ctx->ox + ctx->sx ||
464: yoff < ctx->oy ||
465: yoff >= ctx->oy + ctx->sy)
466: continue;
467:
468: if (xoff >= ctx->ox && xoff + size <= ctx->ox + ctx->sx) {
469: /* All visible. */
470: i = 0;
471: x = xoff - ctx->ox;
472: width = size;
473: } else if (xoff < ctx->ox && xoff + size > ctx->ox + ctx->sx) {
474: /* Both left and right not visible. */
475: i = ctx->ox;
476: x = 0;
477: width = ctx->sx;
478: } else if (xoff < ctx->ox) {
479: /* Left not visible. */
480: i = ctx->ox - xoff;
481: x = 0;
482: width = size - i;
483: } else {
484: /* Right not visible. */
485: i = 0;
486: x = xoff - ctx->ox;
487: width = size - x;
488: }
1.36 nicm 489:
1.61 nicm 490: if (ctx->statustop)
491: yoff += ctx->statuslines;
1.76 nicm 492: tty_draw_line(tty, s, i, 0, width, x, yoff - ctx->oy,
493: &grid_default_cell, NULL);
1.36 nicm 494: }
495: tty_cursor(tty, 0, 0);
1.24 nicm 496: }
497:
1.38 nicm 498: /* Update status line and change flags if unchanged. */
1.54 nicm 499: static int
500: screen_redraw_update(struct client *c, int flags)
1.38 nicm 501: {
1.90 nicm 502: struct window *w = c->session->curw->window;
503: struct window_pane *wp;
504: struct options *wo = w->options;
505: int redraw;
506: enum pane_lines lines;
507: struct screen_redraw_ctx ctx;
1.38 nicm 508:
509: if (c->message_string != NULL)
510: redraw = status_message_redraw(c);
511: else if (c->prompt_string != NULL)
512: redraw = status_prompt_redraw(c);
513: else
514: redraw = status_redraw(c);
1.54 nicm 515: if (!redraw && (~flags & CLIENT_REDRAWSTATUSALWAYS))
516: flags &= ~CLIENT_REDRAWSTATUS;
1.38 nicm 517:
1.63 nicm 518: if (c->overlay_draw != NULL)
519: flags |= CLIENT_REDRAWOVERLAY;
520:
1.64 nicm 521: if (options_get_number(wo, "pane-border-status") != PANE_STATUS_OFF) {
1.79 nicm 522: screen_redraw_set_context(c, &ctx);
1.78 nicm 523: lines = options_get_number(wo, "pane-border-lines");
1.38 nicm 524: redraw = 0;
525: TAILQ_FOREACH(wp, &w->panes, entry) {
1.79 nicm 526: if (screen_redraw_make_pane_status(c, wp, &ctx, lines))
1.38 nicm 527: redraw = 1;
528: }
529: if (redraw)
1.54 nicm 530: flags |= CLIENT_REDRAWBORDERS;
1.38 nicm 531: }
1.54 nicm 532: return (flags);
1.38 nicm 533: }
534:
1.52 nicm 535: /* Set up redraw context. */
536: static void
537: screen_redraw_set_context(struct client *c, struct screen_redraw_ctx *ctx)
538: {
1.53 nicm 539: struct session *s = c->session;
540: struct options *oo = s->options;
541: struct window *w = s->curw->window;
542: struct options *wo = w->options;
1.61 nicm 543: u_int lines;
1.52 nicm 544:
545: memset(ctx, 0, sizeof *ctx);
546: ctx->c = c;
547:
1.61 nicm 548: lines = status_line_size(c);
1.55 nicm 549: if (c->message_string != NULL || c->prompt_string != NULL)
1.61 nicm 550: lines = (lines == 0) ? 1 : lines;
551: if (lines != 0 && options_get_number(oo, "status-position") == 0)
552: ctx->statustop = 1;
553: ctx->statuslines = lines;
554:
1.52 nicm 555: ctx->pane_status = options_get_number(wo, "pane-border-status");
1.78 nicm 556: ctx->pane_lines = options_get_number(wo, "pane-border-lines");
1.52 nicm 557:
1.55 nicm 558: tty_window_offset(&c->tty, &ctx->ox, &ctx->oy, &ctx->sx, &ctx->sy);
559:
560: log_debug("%s: %s @%u ox=%u oy=%u sx=%u sy=%u %u/%d", __func__, c->name,
1.61 nicm 561: w->id, ctx->ox, ctx->oy, ctx->sx, ctx->sy, ctx->statuslines,
562: ctx->statustop);
1.52 nicm 563: }
564:
1.4 nicm 565: /* Redraw entire screen. */
1.1 nicm 566: void
1.53 nicm 567: screen_redraw_screen(struct client *c)
1.1 nicm 568: {
1.53 nicm 569: struct screen_redraw_ctx ctx;
1.54 nicm 570: int flags;
1.18 nicm 571:
572: if (c->flags & CLIENT_SUSPENDED)
573: return;
1.1 nicm 574:
1.54 nicm 575: flags = screen_redraw_update(c, c->flags);
1.74 nicm 576: if ((flags & CLIENT_ALLREDRAWFLAGS) == 0)
577: return;
578:
1.52 nicm 579: screen_redraw_set_context(c, &ctx);
1.84 nicm 580: tty_sync_start(&c->tty);
1.74 nicm 581: tty_update_mode(&c->tty, c->tty.mode, NULL);
1.51 nicm 582:
1.54 nicm 583: if (flags & (CLIENT_REDRAWWINDOW|CLIENT_REDRAWBORDERS)) {
1.70 nicm 584: log_debug("%s: redrawing borders", c->name);
1.64 nicm 585: if (ctx.pane_status != PANE_STATUS_OFF)
1.53 nicm 586: screen_redraw_draw_pane_status(&ctx);
1.50 nicm 587: screen_redraw_draw_borders(&ctx);
1.53 nicm 588: }
1.70 nicm 589: if (flags & CLIENT_REDRAWWINDOW) {
590: log_debug("%s: redrawing panes", c->name);
1.50 nicm 591: screen_redraw_draw_panes(&ctx);
1.70 nicm 592: }
1.61 nicm 593: if (ctx.statuslines != 0 &&
1.70 nicm 594: (flags & (CLIENT_REDRAWSTATUS|CLIENT_REDRAWSTATUSALWAYS))) {
595: log_debug("%s: redrawing status", c->name);
1.50 nicm 596: screen_redraw_draw_status(&ctx);
1.70 nicm 597: }
598: if (c->overlay_draw != NULL && (flags & CLIENT_REDRAWOVERLAY)) {
599: log_debug("%s: redrawing overlay", c->name);
1.88 nicm 600: c->overlay_draw(c, c->overlay_data, &ctx);
1.70 nicm 601: }
1.67 nicm 602:
1.52 nicm 603: tty_reset(&c->tty);
1.26 nicm 604: }
1.4 nicm 605:
1.55 nicm 606: /* Redraw a single pane. */
1.26 nicm 607: void
608: screen_redraw_pane(struct client *c, struct window_pane *wp)
609: {
1.55 nicm 610: struct screen_redraw_ctx ctx;
1.26 nicm 611:
1.85 nicm 612: if (!window_pane_visible(wp))
1.4 nicm 613: return;
1.1 nicm 614:
1.55 nicm 615: screen_redraw_set_context(c, &ctx);
1.84 nicm 616: tty_sync_start(&c->tty);
1.74 nicm 617: tty_update_mode(&c->tty, c->tty.mode, NULL);
1.26 nicm 618:
1.55 nicm 619: screen_redraw_draw_pane(&ctx, wp);
1.67 nicm 620:
1.26 nicm 621: tty_reset(&c->tty);
622: }
623:
1.75 nicm 624: /* Get border cell style. */
625: static const struct grid_cell *
626: screen_redraw_draw_borders_style(struct screen_redraw_ctx *ctx, u_int x,
627: u_int y, struct window_pane *wp)
628: {
629: struct client *c = ctx->c;
630: struct session *s = c->session;
631: struct window *w = s->curw->window;
1.77 nicm 632: struct window_pane *active = server_client_get_pane(c);
1.75 nicm 633: struct options *oo = w->options;
634: struct format_tree *ft;
635:
636: if (wp->border_gc_set)
637: return (&wp->border_gc);
638: wp->border_gc_set = 1;
639:
640: ft = format_create_defaults(NULL, c, s, s->curw, wp);
1.78 nicm 641: if (screen_redraw_check_is(x, y, ctx->pane_status, active))
642: style_apply(&wp->border_gc, oo, "pane-active-border-style", ft);
643: else
644: style_apply(&wp->border_gc, oo, "pane-border-style", ft);
645: format_free(ft);
1.75 nicm 646:
1.78 nicm 647: return (&wp->border_gc);
1.75 nicm 648: }
649:
1.50 nicm 650: /* Draw a border cell. */
651: static void
1.75 nicm 652: screen_redraw_draw_borders_cell(struct screen_redraw_ctx *ctx, u_int i, u_int j)
1.50 nicm 653: {
1.53 nicm 654: struct client *c = ctx->c;
655: struct session *s = c->session;
1.86 nicm 656: struct window *w = s->curw->window;
657: struct options *oo = w->options;
1.53 nicm 658: struct tty *tty = &c->tty;
1.86 nicm 659: struct format_tree *ft;
1.93 nicm 660: struct window_pane *wp, *active = server_client_get_pane(c);
1.89 nicm 661: struct grid_cell gc;
662: const struct grid_cell *tmp;
663: struct overlay_ranges r;
1.78 nicm 664: u_int cell_type, x = ctx->ox + i, y = ctx->oy + j;
1.93 nicm 665: int arrows = 0, border;
1.83 nicm 666: int pane_status = ctx->pane_status, isolates;
1.50 nicm 667:
1.89 nicm 668: if (c->overlay_check != NULL) {
669: c->overlay_check(c, c->overlay_data, x, y, 1, &r);
670: if (r.nx[0] + r.nx[1] == 0)
671: return;
672: }
1.75 nicm 673:
1.78 nicm 674: cell_type = screen_redraw_check_cell(c, x, y, pane_status, &wp);
675: if (cell_type == CELL_INSIDE)
1.50 nicm 676: return;
677:
1.86 nicm 678: if (wp == NULL) {
679: if (!ctx->no_pane_gc_set) {
680: ft = format_create_defaults(NULL, c, s, s->curw, NULL);
681: memcpy(&ctx->no_pane_gc, &grid_default_cell, sizeof gc);
682: style_add(&ctx->no_pane_gc, oo, "pane-border-style",
683: ft);
684: format_free(ft);
685: ctx->no_pane_gc_set = 1;
686: }
687: memcpy(&gc, &ctx->no_pane_gc, sizeof gc);
688: } else {
1.78 nicm 689: tmp = screen_redraw_draw_borders_style(ctx, x, y, wp);
690: if (tmp == NULL)
1.75 nicm 691: return;
1.78 nicm 692: memcpy(&gc, tmp, sizeof gc);
1.75 nicm 693:
694: if (server_is_marked(s, s->curw, marked_pane.wp) &&
1.78 nicm 695: screen_redraw_check_is(x, y, pane_status, marked_pane.wp))
696: gc.attr ^= GRID_ATTR_REVERSE;
1.75 nicm 697: }
1.95 nicm 698: screen_redraw_border_set(w, wp, ctx->pane_lines, cell_type, &gc);
1.75 nicm 699:
1.83 nicm 700: if (cell_type == CELL_TOPBOTTOM &&
701: (c->flags & CLIENT_UTF8) &&
702: tty_term_has(tty->term, TTYC_BIDI))
703: isolates = 1;
704: else
705: isolates = 0;
706:
1.61 nicm 707: if (ctx->statustop)
708: tty_cursor(tty, i, ctx->statuslines + j);
1.50 nicm 709: else
1.55 nicm 710: tty_cursor(tty, i, j);
1.83 nicm 711: if (isolates)
712: tty_puts(tty, END_ISOLATE);
1.93 nicm 713:
714: switch (options_get_number(oo, "pane-border-indicators")) {
715: case PANE_BORDER_ARROWS:
716: case PANE_BORDER_BOTH:
717: arrows = 1;
718: break;
719: }
720:
721: if (wp != NULL && arrows) {
722: border = screen_redraw_pane_border(active, x, y, pane_status);
723: if (((i == wp->xoff + 1 &&
724: (cell_type == CELL_LEFTRIGHT ||
725: (cell_type == CELL_TOPJOIN &&
726: border == SCREEN_REDRAW_BORDER_BOTTOM) ||
727: (cell_type == CELL_BOTTOMJOIN &&
728: border == SCREEN_REDRAW_BORDER_TOP))) ||
729: (j == wp->yoff + 1 &&
730: (cell_type == CELL_TOPBOTTOM ||
731: (cell_type == CELL_LEFTJOIN &&
732: border == SCREEN_REDRAW_BORDER_RIGHT) ||
733: (cell_type == CELL_RIGHTJOIN &&
734: border == SCREEN_REDRAW_BORDER_LEFT)))) &&
1.94 nicm 735: screen_redraw_check_is(x, y, pane_status, active)) {
736: gc.attr |= GRID_ATTR_CHARSET;
1.93 nicm 737: utf8_set(&gc.data, BORDER_MARKERS[border]);
1.94 nicm 738: }
1.93 nicm 739: }
740:
1.96 ! nicm 741: tty_cell(tty, &gc, &grid_default_cell, NULL, NULL);
1.83 nicm 742: if (isolates)
743: tty_puts(tty, START_ISOLATE);
1.50 nicm 744: }
745:
1.26 nicm 746: /* Draw the borders. */
1.39 nicm 747: static void
1.50 nicm 748: screen_redraw_draw_borders(struct screen_redraw_ctx *ctx)
1.26 nicm 749: {
1.50 nicm 750: struct client *c = ctx->c;
1.32 nicm 751: struct session *s = c->session;
752: struct window *w = s->curw->window;
1.75 nicm 753: struct window_pane *wp;
1.55 nicm 754: u_int i, j;
755:
756: log_debug("%s: %s @%u", __func__, c->name, w->id);
1.26 nicm 757:
1.75 nicm 758: TAILQ_FOREACH(wp, &w->panes, entry)
759: wp->border_gc_set = 0;
760:
761: for (j = 0; j < c->tty.sy - ctx->statuslines; j++) {
762: for (i = 0; i < c->tty.sx; i++)
763: screen_redraw_draw_borders_cell(ctx, i, j);
1.28 nicm 764: }
1.26 nicm 765: }
1.1 nicm 766:
1.26 nicm 767: /* Draw the panes. */
1.39 nicm 768: static void
1.50 nicm 769: screen_redraw_draw_panes(struct screen_redraw_ctx *ctx)
1.26 nicm 770: {
1.50 nicm 771: struct client *c = ctx->c;
1.26 nicm 772: struct window *w = c->session->curw->window;
773: struct window_pane *wp;
1.47 nicm 774:
1.55 nicm 775: log_debug("%s: %s @%u", __func__, c->name, w->id);
776:
1.1 nicm 777: TAILQ_FOREACH(wp, &w->panes, entry) {
1.61 nicm 778: if (window_pane_visible(wp))
779: screen_redraw_draw_pane(ctx, wp);
1.1 nicm 780: }
781: }
782:
1.26 nicm 783: /* Draw the status line. */
1.39 nicm 784: static void
1.50 nicm 785: screen_redraw_draw_status(struct screen_redraw_ctx *ctx)
1.1 nicm 786: {
1.50 nicm 787: struct client *c = ctx->c;
1.55 nicm 788: struct window *w = c->session->curw->window;
1.26 nicm 789: struct tty *tty = &c->tty;
1.58 nicm 790: struct screen *s = c->status.active;
1.47 nicm 791: u_int i, y;
1.23 nicm 792:
1.55 nicm 793: log_debug("%s: %s @%u", __func__, c->name, w->id);
794:
1.61 nicm 795: if (ctx->statustop)
1.47 nicm 796: y = 0;
1.26 nicm 797: else
1.61 nicm 798: y = c->tty.sy - ctx->statuslines;
1.76 nicm 799: for (i = 0; i < ctx->statuslines; i++) {
800: tty_draw_line(tty, s, 0, i, UINT_MAX, 0, y + i,
801: &grid_default_cell, NULL);
802: }
1.55 nicm 803: }
804:
805: /* Draw one pane. */
806: static void
807: screen_redraw_draw_pane(struct screen_redraw_ctx *ctx, struct window_pane *wp)
808: {
1.87 nicm 809: struct client *c = ctx->c;
810: struct window *w = c->session->curw->window;
811: struct tty *tty = &c->tty;
812: struct screen *s = wp->screen;
813: struct colour_palette *palette = &wp->palette;
814: struct grid_cell defaults;
815: u_int i, j, top, x, y, width;
1.55 nicm 816:
817: log_debug("%s: %s @%u %%%u", __func__, c->name, w->id, wp->id);
818:
819: if (wp->xoff + wp->sx <= ctx->ox || wp->xoff >= ctx->ox + ctx->sx)
820: return;
1.61 nicm 821: if (ctx->statustop)
822: top = ctx->statuslines;
1.55 nicm 823: else
824: top = 0;
825: for (j = 0; j < wp->sy; j++) {
826: if (wp->yoff + j < ctx->oy || wp->yoff + j >= ctx->oy + ctx->sy)
827: continue;
828: y = top + wp->yoff + j - ctx->oy;
829:
830: if (wp->xoff >= ctx->ox &&
831: wp->xoff + wp->sx <= ctx->ox + ctx->sx) {
832: /* All visible. */
833: i = 0;
834: x = wp->xoff - ctx->ox;
835: width = wp->sx;
836: } else if (wp->xoff < ctx->ox &&
837: wp->xoff + wp->sx > ctx->ox + ctx->sx) {
838: /* Both left and right not visible. */
839: i = ctx->ox;
840: x = 0;
841: width = ctx->sx;
842: } else if (wp->xoff < ctx->ox) {
843: /* Left not visible. */
844: i = ctx->ox - wp->xoff;
845: x = 0;
846: width = wp->sx - i;
847: } else {
848: /* Right not visible. */
849: i = 0;
850: x = wp->xoff - ctx->ox;
851: width = ctx->sx - x;
852: }
853: log_debug("%s: %s %%%u line %u,%u at %u,%u, width %u",
854: __func__, c->name, wp->id, i, j, x, y, width);
855:
1.76 nicm 856: tty_default_colours(&defaults, wp);
1.87 nicm 857: tty_draw_line(tty, s, i, j, width, x, y, &defaults, palette);
1.55 nicm 858: }
1.1 nicm 859: }
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