tmux  3.2a
About: tmux is a terminal multiplexer that lets you switch easily between several programs in one terminal.
  Fossies Dox: tmux-3.2a.tar.gz  ("unofficial" and yet experimental doxygen-generated source code documentation)  

screen-redraw.c
Go to the documentation of this file.
1 /* $OpenBSD$ */
2 
3 /*
4  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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 <stdlib.h>
22 #include <string.h>
23 
24 #include "tmux.h"
25 
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 *);
29 static void screen_redraw_draw_pane(struct screen_redraw_ctx *,
30  struct window_pane *);
31 static void screen_redraw_set_context(struct client *,
32  struct screen_redraw_ctx *);
33 
34 #define CELL_INSIDE 0
35 #define CELL_TOPBOTTOM 1
36 #define CELL_LEFTRIGHT 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
47 
48 #define CELL_BORDERS " xqlkmjwvtun~"
49 
50 #define START_ISOLATE "\342\201\246"
51 #define END_ISOLATE "\342\201\251"
52 
53 static const struct utf8_data screen_redraw_double_borders[] = {
54  { "", 0, 0, 0 },
55  { "\342\225\221", 0, 3, 1 }, /* U+2551 */
56  { "\342\225\220", 0, 3, 1 }, /* U+2550 */
57  { "\342\225\224", 0, 3, 1 }, /* U+2554 */
58  { "\342\225\227", 0, 3, 1 }, /* U+2557 */
59  { "\342\225\232", 0, 3, 1 }, /* U+255A */
60  { "\342\225\235", 0, 3, 1 }, /* U+255D */
61  { "\342\225\246", 0, 3, 1 }, /* U+2566 */
62  { "\342\225\251", 0, 3, 1 }, /* U+2569 */
63  { "\342\225\240", 0, 3, 1 }, /* U+2560 */
64  { "\342\225\243", 0, 3, 1 }, /* U+2563 */
65  { "\342\225\254", 0, 3, 1 }, /* U+256C */
66  { "\302\267", 0, 2, 1 } /* U+00B7 */
67 };
68 
69 static const struct utf8_data screen_redraw_heavy_borders[] = {
70  { "", 0, 0, 0 },
71  { "\342\224\203", 0, 3, 1 }, /* U+2503 */
72  { "\342\224\201", 0, 3, 1 }, /* U+2501 */
73  { "\342\224\223", 0, 3, 1 }, /* U+2513 */
74  { "\342\224\217", 0, 3, 1 }, /* U+250F */
75  { "\342\224\227", 0, 3, 1 }, /* U+2517 */
76  { "\342\224\233", 0, 3, 1 }, /* U+251B */
77  { "\342\224\263", 0, 3, 1 }, /* U+2533 */
78  { "\342\224\273", 0, 3, 1 }, /* U+253B */
79  { "\342\224\243", 0, 3, 1 }, /* U+2523 */
80  { "\342\224\253", 0, 3, 1 }, /* U+252B */
81  { "\342\225\213", 0, 3, 1 }, /* U+254B */
82  { "\302\267", 0, 2, 1 } /* U+00B7 */
83 };
84 
89 };
90 
91 /* Get cell border character. */
92 static void
93 screen_redraw_border_set(struct window_pane *wp, int pane_lines, int cell_type,
94  struct grid_cell *gc)
95 {
96  u_int idx;
97 
98  switch (pane_lines) {
99  case PANE_LINES_NUMBER:
100  if (cell_type == CELL_OUTSIDE) {
101  gc->attr |= GRID_ATTR_CHARSET;
103  break;
104  }
105  gc->attr &= ~~GRID_ATTR_CHARSET;
106  if (wp != NULL && window_pane_index(wp, &idx) == 0)
107  utf8_set(&gc->data, '0' + (idx % 10));
108  else
109  utf8_set(&gc->data, '*');
110  break;
111  case PANE_LINES_DOUBLE:
112  gc->attr &= ~~GRID_ATTR_CHARSET;
113  utf8_copy(&gc->data, &screen_redraw_double_borders[cell_type]);
114  break;
115  case PANE_LINES_HEAVY:
116  gc->attr &= ~~GRID_ATTR_CHARSET;
117  utf8_copy(&gc->data, &screen_redraw_heavy_borders[cell_type]);
118  break;
119  case PANE_LINES_SIMPLE:
120  gc->attr &= ~~GRID_ATTR_CHARSET;
121  utf8_set(&gc->data, " |-+++++++++."[cell_type]);
122  break;
123  default:
124  gc->attr |= GRID_ATTR_CHARSET;
125  utf8_set(&gc->data, CELL_BORDERS[cell_type]);
126  break;
127  }
128 }
129 
130 /* Return if window has only two panes. */
131 static int
132 screen_redraw_two_panes(struct window *w, int direction)
133 {
134  struct window_pane *wp;
135 
136  wp = TAILQ_NEXT(TAILQ_FIRST(&w->panes), entry);
137  if (wp == NULL)
138  return (0); /* one pane */
139  if (TAILQ_NEXT(wp, entry) != NULL)
140  return (0); /* more than two panes */
141  if (direction == 0 && wp->xoff == 0)
142  return (0);
143  if (direction == 1 && wp->yoff == 0)
144  return (0);
145  return (1);
146 }
147 
148 /* Check if cell is on the border of a pane. */
149 static enum screen_redraw_border_type
150 screen_redraw_pane_border(struct window_pane *wp, u_int px, u_int py,
151  int pane_status)
152 {
153  u_int ex = wp->xoff + wp->sx, ey = wp->yoff + wp->sy;
154 
155  /* Inside pane. */
156  if (px >= wp->xoff && px < ex && py >= wp->yoff && py < ey)
157  return (SCREEN_REDRAW_INSIDE);
158 
159  /* Left/right borders. */
160  if (pane_status == PANE_STATUS_OFF) {
161  if (screen_redraw_two_panes(wp->window, 0)) {
162  if (wp->xoff == 0 && px == wp->sx && py <= wp->sy / 2)
163  return (SCREEN_REDRAW_BORDER);
164  if (wp->xoff != 0 &&
165  px == wp->xoff - 1 &&
166  py > wp->sy / 2)
167  return (SCREEN_REDRAW_BORDER);
168  } else {
169  if ((wp->yoff == 0 || py >= wp->yoff - 1) && py <= ey) {
170  if (wp->xoff != 0 && px == wp->xoff - 1)
171  return (SCREEN_REDRAW_BORDER);
172  if (px == ex)
173  return (SCREEN_REDRAW_BORDER);
174  }
175  }
176  } else {
177  if ((wp->yoff == 0 || py >= wp->yoff - 1) && py <= ey) {
178  if (wp->xoff != 0 && px == wp->xoff - 1)
179  return (SCREEN_REDRAW_BORDER);
180  if (px == ex)
181  return (SCREEN_REDRAW_BORDER);
182  }
183  }
184 
185  /* Top/bottom borders. */
186  if (pane_status == PANE_STATUS_OFF) {
187  if (screen_redraw_two_panes(wp->window, 1)) {
188  if (wp->yoff == 0 && py == wp->sy && px <= wp->sx / 2)
189  return (SCREEN_REDRAW_BORDER);
190  if (wp->yoff != 0 &&
191  py == wp->yoff - 1 &&
192  px > wp->sx / 2)
193  return (SCREEN_REDRAW_BORDER);
194  } else {
195  if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= ex) {
196  if (wp->yoff != 0 && py == wp->yoff - 1)
197  return (SCREEN_REDRAW_BORDER);
198  if (py == ey)
199  return (SCREEN_REDRAW_BORDER);
200  }
201  }
202  } else if (pane_status == PANE_STATUS_TOP) {
203  if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= ex) {
204  if (wp->yoff != 0 && py == wp->yoff - 1)
205  return (SCREEN_REDRAW_BORDER);
206  }
207  } else {
208  if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= ex) {
209  if (py == ey)
210  return (SCREEN_REDRAW_BORDER);
211  }
212  }
213 
214  /* Outside pane. */
215  return (SCREEN_REDRAW_OUTSIDE);
216 }
217 
218 /* Check if a cell is on a border. */
219 static int
220 screen_redraw_cell_border(struct client *c, u_int px, u_int py, int pane_status)
221 {
222  struct window *w = c->session->curw->window;
223  struct window_pane *wp;
224 
225  /* Outside the window? */
226  if (px > w->sx || py > w->sy)
227  return (0);
228 
229  /* On the window border? */
230  if (px == w->sx || py == w->sy)
231  return (1);
232 
233  /* Check all the panes. */
234  TAILQ_FOREACH(wp, &w->panes, entry) {
235  if (!window_pane_visible(wp))
236  continue;
237  switch (screen_redraw_pane_border(wp, px, py, pane_status)) {
239  return (0);
241  return (1);
243  break;
244  }
245  }
246 
247  return (0);
248 }
249 
250 /* Work out type of border cell from surrounding cells. */
251 static int
252 screen_redraw_type_of_cell(struct client *c, u_int px, u_int py,
253  int pane_status)
254 {
255  struct window *w = c->session->curw->window;
256  u_int sx = w->sx, sy = w->sy;
257  int borders = 0;
258 
259  /* Is this outside the window? */
260  if (px > sx || py > sy)
261  return (CELL_OUTSIDE);
262 
263  /*
264  * Construct a bitmask of whether the cells to the left (bit 4), right,
265  * top, and bottom (bit 1) of this cell are borders.
266  */
267  if (px == 0 || screen_redraw_cell_border(c, px - 1, py, pane_status))
268  borders |= 8;
269  if (px <= sx && screen_redraw_cell_border(c, px + 1, py, pane_status))
270  borders |= 4;
271  if (pane_status == PANE_STATUS_TOP) {
272  if (py != 0 &&
273  screen_redraw_cell_border(c, px, py - 1, pane_status))
274  borders |= 2;
275  if (screen_redraw_cell_border(c, px, py + 1, pane_status))
276  borders |= 1;
277  } else if (pane_status == PANE_STATUS_BOTTOM) {
278  if (py == 0 ||
279  screen_redraw_cell_border(c, px, py - 1, pane_status))
280  borders |= 2;
281  if (py != sy - 1 &&
282  screen_redraw_cell_border(c, px, py + 1, pane_status))
283  borders |= 1;
284  } else {
285  if (py == 0 ||
286  screen_redraw_cell_border(c, px, py - 1, pane_status))
287  borders |= 2;
288  if (screen_redraw_cell_border(c, px, py + 1, pane_status))
289  borders |= 1;
290  }
291 
292  /*
293  * Figure out what kind of border this cell is. Only one bit set
294  * doesn't make sense (can't have a border cell with no others
295  * connected).
296  */
297  switch (borders) {
298  case 15: /* 1111, left right top bottom */
299  return (CELL_JOIN);
300  case 14: /* 1110, left right top */
301  return (CELL_BOTTOMJOIN);
302  case 13: /* 1101, left right bottom */
303  return (CELL_TOPJOIN);
304  case 12: /* 1100, left right */
305  return (CELL_LEFTRIGHT);
306  case 11: /* 1011, left top bottom */
307  return (CELL_RIGHTJOIN);
308  case 10: /* 1010, left top */
309  return (CELL_BOTTOMRIGHT);
310  case 9: /* 1001, left bottom */
311  return (CELL_TOPRIGHT);
312  case 7: /* 0111, right top bottom */
313  return (CELL_LEFTJOIN);
314  case 6: /* 0110, right top */
315  return (CELL_BOTTOMLEFT);
316  case 5: /* 0101, right bottom */
317  return (CELL_TOPLEFT);
318  case 3: /* 0011, top bottom */
319  return (CELL_TOPBOTTOM);
320  }
321  return (CELL_OUTSIDE);
322 }
323 
324 /* Check if cell inside a pane. */
325 static int
326 screen_redraw_check_cell(struct client *c, u_int px, u_int py, int pane_status,
327  struct window_pane **wpp)
328 {
329  struct window *w = c->session->curw->window;
330  struct window_pane *wp, *active;
331  int border;
332  u_int right, line;
333 
334  *wpp = NULL;
335 
336  if (px > w->sx || py > w->sy)
337  return (CELL_OUTSIDE);
338  if (px == w->sx || py == w->sy) /* window border */
339  return (screen_redraw_type_of_cell(c, px, py, pane_status));
340 
341  if (pane_status != PANE_STATUS_OFF) {
342  active = wp = server_client_get_pane(c);
343  do {
344  if (!window_pane_visible(wp))
345  goto next1;
346 
347  if (pane_status == PANE_STATUS_TOP)
348  line = wp->yoff - 1;
349  else
350  line = wp->yoff + wp->sy;
351  right = wp->xoff + 2 + wp->status_size - 1;
352 
353  if (py == line && px >= wp->xoff + 2 && px <= right)
354  return (CELL_INSIDE);
355 
356  next1:
357  wp = TAILQ_NEXT(wp, entry);
358  if (wp == NULL)
359  wp = TAILQ_FIRST(&w->panes);
360  } while (wp != active);
361  }
362 
363  active = wp = server_client_get_pane(c);
364  do {
365  if (!window_pane_visible(wp))
366  goto next2;
367  *wpp = wp;
368 
369  /*
370  * If definitely inside, return. If not on border, skip.
371  * Otherwise work out the cell.
372  */
373  border = screen_redraw_pane_border(wp, px, py, pane_status);
374  if (border == SCREEN_REDRAW_INSIDE)
375  return (CELL_INSIDE);
376  if (border == SCREEN_REDRAW_OUTSIDE)
377  goto next2;
378  return (screen_redraw_type_of_cell(c, px, py, pane_status));
379 
380  next2:
381  wp = TAILQ_NEXT(wp, entry);
382  if (wp == NULL)
383  wp = TAILQ_FIRST(&w->panes);
384  } while (wp != active);
385 
386  return (CELL_OUTSIDE);
387 }
388 
389 /* Check if the border of a particular pane. */
390 static int
391 screen_redraw_check_is(u_int px, u_int py, int pane_status,
392  struct window_pane *wp)
393 {
394  enum screen_redraw_border_type border;
395 
396  border = screen_redraw_pane_border(wp, px, py, pane_status);
397  if (border == SCREEN_REDRAW_BORDER)
398  return (1);
399  return (0);
400 }
401 
402 /* Update pane status. */
403 static int
405  struct screen_redraw_ctx *rctx, int pane_lines)
406 {
407  struct window *w = wp->window;
408  struct grid_cell gc;
409  const char *fmt;
410  struct format_tree *ft;
411  char *expanded;
412  int pane_status = rctx->pane_status;
413  u_int width, i, cell_type, px, py;
414  struct screen_write_ctx ctx;
415  struct screen old;
416 
417  ft = format_create(c, NULL, FORMAT_PANE|wp->id, FORMAT_STATUS);
418  format_defaults(ft, c, c->session, c->session->curw, wp);
419 
420  if (wp == server_client_get_pane(c))
421  style_apply(&gc, w->options, "pane-active-border-style", ft);
422  else
423  style_apply(&gc, w->options, "pane-border-style", ft);
424  fmt = options_get_string(w->options, "pane-border-format");
425 
426  expanded = format_expand_time(ft, fmt);
427  if (wp->sx < 4)
428  wp->status_size = width = 0;
429  else
430  wp->status_size = width = wp->sx - 4;
431 
432  memcpy(&old, &wp->status_screen, sizeof old);
433  screen_init(&wp->status_screen, width, 1, 0);
434  wp->status_screen.mode = 0;
435 
436  screen_write_start(&ctx, &wp->status_screen);
437 
438  for (i = 0; i < width; i++) {
439  px = wp->xoff + 2 + i;
440  if (rctx->pane_status == PANE_STATUS_TOP)
441  py = wp->yoff - 1;
442  else
443  py = wp->yoff + wp->sy;
444  cell_type = screen_redraw_type_of_cell(c, px, py, pane_status);
445  screen_redraw_border_set(wp, pane_lines, cell_type, &gc);
446  screen_write_cell(&ctx, &gc);
447  }
448  gc.attr &= ~~GRID_ATTR_CHARSET;
449 
450  screen_write_cursormove(&ctx, 0, 0, 0);
451  format_draw(&ctx, &gc, width, expanded, NULL);
452  screen_write_stop(&ctx);
453 
454  free(expanded);
455  format_free(ft);
456 
457  if (grid_compare(wp->status_screen.grid, old.grid) == 0) {
458  screen_free(&old);
459  return (0);
460  }
461  screen_free(&old);
462  return (1);
463 }
464 
465 /* Draw pane status. */
466 static void
468 {
469  struct client *c = ctx->c;
470  struct window *w = c->session->curw->window;
471  struct tty *tty = &c->tty;
472  struct window_pane *wp;
473  struct screen *s;
474  u_int i, x, width, xoff, yoff, size;
475 
476  log_debug("%s: %s @%u", __func__, c->name, w->id);
477 
478  TAILQ_FOREACH(wp, &w->panes, entry) {
479  if (!window_pane_visible(wp))
480  continue;
481  s = &wp->status_screen;
482 
483  size = wp->status_size;
484  if (ctx->pane_status == PANE_STATUS_TOP)
485  yoff = wp->yoff - 1;
486  else
487  yoff = wp->yoff + wp->sy;
488  xoff = wp->xoff + 2;
489 
490  if (xoff + size <= ctx->ox ||
491  xoff >= ctx->ox + ctx->sx ||
492  yoff < ctx->oy ||
493  yoff >= ctx->oy + ctx->sy)
494  continue;
495 
496  if (xoff >= ctx->ox && xoff + size <= ctx->ox + ctx->sx) {
497  /* All visible. */
498  i = 0;
499  x = xoff - ctx->ox;
500  width = size;
501  } else if (xoff < ctx->ox && xoff + size > ctx->ox + ctx->sx) {
502  /* Both left and right not visible. */
503  i = ctx->ox;
504  x = 0;
505  width = ctx->sx;
506  } else if (xoff < ctx->ox) {
507  /* Left not visible. */
508  i = ctx->ox - xoff;
509  x = 0;
510  width = size - i;
511  } else {
512  /* Right not visible. */
513  i = 0;
514  x = xoff - ctx->ox;
515  width = size - x;
516  }
517 
518  if (ctx->statustop)
519  yoff += ctx->statuslines;
520  tty_draw_line(tty, s, i, 0, width, x, yoff - ctx->oy,
521  &grid_default_cell, NULL);
522  }
523  tty_cursor(tty, 0, 0);
524 }
525 
526 /* Update status line and change flags if unchanged. */
527 static int
528 screen_redraw_update(struct client *c, int flags)
529 {
530  struct window *w = c->session->curw->window;
531  struct window_pane *wp;
532  struct options *wo = w->options;
533  int redraw, lines;
534  struct screen_redraw_ctx ctx;
535 
536  if (c->message_string != NULL)
537  redraw = status_message_redraw(c);
538  else if (c->prompt_string != NULL)
539  redraw = status_prompt_redraw(c);
540  else
541  redraw = status_redraw(c);
542  if (!redraw && (~flags & CLIENT_REDRAWSTATUSALWAYS))
543  flags &= ~~CLIENT_REDRAWSTATUS;
544 
545  if (c->overlay_draw != NULL)
546  flags |= CLIENT_REDRAWOVERLAY;
547 
548  if (options_get_number(wo, "pane-border-status") != PANE_STATUS_OFF) {
550  lines = options_get_number(wo, "pane-border-lines");
551  redraw = 0;
552  TAILQ_FOREACH(wp, &w->panes, entry) {
553  if (screen_redraw_make_pane_status(c, wp, &ctx, lines))
554  redraw = 1;
555  }
556  if (redraw)
557  flags |= CLIENT_REDRAWBORDERS;
558  }
559  return (flags);
560 }
561 
562 /* Set up redraw context. */
563 static void
565 {
566  struct session *s = c->session;
567  struct options *oo = s->options;
568  struct window *w = s->curw->window;
569  struct options *wo = w->options;
570  u_int lines;
571 
572  memset(ctx, 0, sizeof *ctx);
573  ctx->c = c;
574 
575  lines = status_line_size(c);
576  if (c->message_string != NULL || c->prompt_string != NULL)
577  lines = (lines == 0) ? 1 : lines;
578  if (lines != 0 && options_get_number(oo, "status-position") == 0)
579  ctx->statustop = 1;
580  ctx->statuslines = lines;
581 
582  ctx->pane_status = options_get_number(wo, "pane-border-status");
583  ctx->pane_lines = options_get_number(wo, "pane-border-lines");
584 
585  tty_window_offset(&c->tty, &ctx->ox, &ctx->oy, &ctx->sx, &ctx->sy);
586 
587  log_debug("%s: %s @%u ox=%u oy=%u sx=%u sy=%u %u/%d", __func__, c->name,
588  w->id, ctx->ox, ctx->oy, ctx->sx, ctx->sy, ctx->statuslines,
589  ctx->statustop);
590 }
591 
592 /* Redraw entire screen. */
593 void
595 {
596  struct screen_redraw_ctx ctx;
597  int flags;
598 
599  if (c->flags & CLIENT_SUSPENDED)
600  return;
601 
602  flags = screen_redraw_update(c, c->flags);
603  if ((flags & CLIENT_ALLREDRAWFLAGS) == 0)
604  return;
605 
607  tty_sync_start(&c->tty);
608  tty_update_mode(&c->tty, c->tty.mode, NULL);
609 
611  log_debug("%s: redrawing borders", c->name);
612  if (ctx.pane_status != PANE_STATUS_OFF)
615  }
616  if (flags & CLIENT_REDRAWWINDOW) {
617  log_debug("%s: redrawing panes", c->name);
619  }
620  if (ctx.statuslines != 0 &&
622  log_debug("%s: redrawing status", c->name);
624  }
625  if (c->overlay_draw != NULL && (flags & CLIENT_REDRAWOVERLAY)) {
626  log_debug("%s: redrawing overlay", c->name);
627  c->overlay_draw(c, &ctx);
628  }
629 
630  tty_reset(&c->tty);
631 }
632 
633 /* Redraw a single pane. */
634 void
636 {
637  struct screen_redraw_ctx ctx;
638 
639  if (c->overlay_draw != NULL || !window_pane_visible(wp))
640  return;
641 
643  tty_sync_start(&c->tty);
644  tty_update_mode(&c->tty, c->tty.mode, NULL);
645 
646  screen_redraw_draw_pane(&ctx, wp);
647 
648  tty_reset(&c->tty);
649 }
650 
651 /* Get border cell style. */
652 static const struct grid_cell *
654  u_int y, struct window_pane *wp)
655 {
656  struct client *c = ctx->c;
657  struct session *s = c->session;
658  struct window *w = s->curw->window;
659  struct window_pane *active = server_client_get_pane(c);
660  struct options *oo = w->options;
661  struct format_tree *ft;
662 
663  if (wp->border_gc_set)
664  return (&wp->border_gc);
665  wp->border_gc_set = 1;
666 
667  ft = format_create_defaults(NULL, c, s, s->curw, wp);
668  if (screen_redraw_check_is(x, y, ctx->pane_status, active))
669  style_apply(&wp->border_gc, oo, "pane-active-border-style", ft);
670  else
671  style_apply(&wp->border_gc, oo, "pane-border-style", ft);
672  format_free(ft);
673 
674  return (&wp->border_gc);
675 }
676 
677 /* Draw a border cell. */
678 static void
680 {
681  struct client *c = ctx->c;
682  struct session *s = c->session;
683  struct tty *tty = &c->tty;
684  struct window_pane *wp;
685  u_int cell_type, x = ctx->ox + i, y = ctx->oy + j;
686  int pane_status = ctx->pane_status, isolates;
687  struct grid_cell gc;
688  const struct grid_cell *tmp;
689 
690  if (c->overlay_check != NULL && !c->overlay_check(c, x, y))
691  return;
692 
693  cell_type = screen_redraw_check_cell(c, x, y, pane_status, &wp);
694  if (cell_type == CELL_INSIDE)
695  return;
696 
697  if (wp == NULL)
698  memcpy(&gc, &grid_default_cell, sizeof gc);
699  else {
700  tmp = screen_redraw_draw_borders_style(ctx, x, y, wp);
701  if (tmp == NULL)
702  return;
703  memcpy(&gc, tmp, sizeof gc);
704 
705  if (server_is_marked(s, s->curw, marked_pane.wp) &&
706  screen_redraw_check_is(x, y, pane_status, marked_pane.wp))
707  gc.attr ^= GRID_ATTR_REVERSE;
708  }
709  screen_redraw_border_set(wp, ctx->pane_lines, cell_type, &gc);
710 
711  if (cell_type == CELL_TOPBOTTOM &&
712  (c->flags & CLIENT_UTF8) &&
714  isolates = 1;
715  else
716  isolates = 0;
717 
718  if (ctx->statustop)
719  tty_cursor(tty, i, ctx->statuslines + j);
720  else
721  tty_cursor(tty, i, j);
722  if (isolates)
724  tty_cell(tty, &gc, &grid_default_cell, NULL);
725  if (isolates)
727 }
728 
729 /* Draw the borders. */
730 static void
732 {
733  struct client *c = ctx->c;
734  struct session *s = c->session;
735  struct window *w = s->curw->window;
736  struct window_pane *wp;
737  u_int i, j;
738 
739  log_debug("%s: %s @%u", __func__, c->name, w->id);
740 
741  TAILQ_FOREACH(wp, &w->panes, entry)
742  wp->border_gc_set = 0;
743 
744  for (j = 0; j < c->tty.sy - ctx->statuslines; j++) {
745  for (i = 0; i < c->tty.sx; i++)
747  }
748 }
749 
750 /* Draw the panes. */
751 static void
753 {
754  struct client *c = ctx->c;
755  struct window *w = c->session->curw->window;
756  struct window_pane *wp;
757 
758  log_debug("%s: %s @%u", __func__, c->name, w->id);
759 
760  TAILQ_FOREACH(wp, &w->panes, entry) {
761  if (window_pane_visible(wp))
762  screen_redraw_draw_pane(ctx, wp);
763  }
764 }
765 
766 /* Draw the status line. */
767 static void
769 {
770  struct client *c = ctx->c;
771  struct window *w = c->session->curw->window;
772  struct tty *tty = &c->tty;
773  struct screen *s = c->status.active;
774  u_int i, y;
775 
776  log_debug("%s: %s @%u", __func__, c->name, w->id);
777 
778  if (ctx->statustop)
779  y = 0;
780  else
781  y = c->tty.sy - ctx->statuslines;
782  for (i = 0; i < ctx->statuslines; i++) {
783  tty_draw_line(tty, s, 0, i, UINT_MAX, 0, y + i,
784  &grid_default_cell, NULL);
785  }
786 }
787 
788 /* Draw one pane. */
789 static void
791 {
792  struct client *c = ctx->c;
793  struct window *w = c->session->curw->window;
794  struct tty *tty = &c->tty;
795  struct screen *s;
796  struct grid_cell defaults;
797  u_int i, j, top, x, y, width;
798 
799  log_debug("%s: %s @%u %%%u", __func__, c->name, w->id, wp->id);
800 
801  if (wp->xoff + wp->sx <= ctx->ox || wp->xoff >= ctx->ox + ctx->sx)
802  return;
803  if (ctx->statustop)
804  top = ctx->statuslines;
805  else
806  top = 0;
807 
808  s = wp->screen;
809  for (j = 0; j < wp->sy; j++) {
810  if (wp->yoff + j < ctx->oy || wp->yoff + j >= ctx->oy + ctx->sy)
811  continue;
812  y = top + wp->yoff + j - ctx->oy;
813 
814  if (wp->xoff >= ctx->ox &&
815  wp->xoff + wp->sx <= ctx->ox + ctx->sx) {
816  /* All visible. */
817  i = 0;
818  x = wp->xoff - ctx->ox;
819  width = wp->sx;
820  } else if (wp->xoff < ctx->ox &&
821  wp->xoff + wp->sx > ctx->ox + ctx->sx) {
822  /* Both left and right not visible. */
823  i = ctx->ox;
824  x = 0;
825  width = ctx->sx;
826  } else if (wp->xoff < ctx->ox) {
827  /* Left not visible. */
828  i = ctx->ox - wp->xoff;
829  x = 0;
830  width = wp->sx - i;
831  } else {
832  /* Right not visible. */
833  i = 0;
834  x = wp->xoff - ctx->ox;
835  width = ctx->sx - x;
836  }
837  log_debug("%s: %s %%%u line %u,%u at %u,%u, width %u",
838  __func__, c->name, wp->id, i, j, x, y, width);
839 
840  tty_default_colours(&defaults, wp);
841  tty_draw_line(tty, s, i, j, width, x, y, &defaults,
842  wp->palette);
843  }
844 }
void format_draw(struct screen_write_ctx *octx, const struct grid_cell *base, u_int available, const char *expanded, struct style_ranges *srs)
Definition: format-draw.c:649
struct format_tree * format_create_defaults(struct cmdq_item *item, struct client *c, struct session *s, struct winlink *wl, struct window_pane *wp)
Definition: format.c:4652
void format_defaults(struct format_tree *ft, struct client *c, struct session *s, struct winlink *wl, struct window_pane *wp)
Definition: format.c:4684
struct format_tree * format_create(struct client *c, struct cmdq_item *item, int tag, int flags)
Definition: format.c:3042
void format_free(struct format_tree *ft)
Definition: format.c:3066
char * format_expand_time(struct format_tree *ft, const char *fmt)
Definition: format.c:4597
const struct grid_cell grid_default_cell
Definition: grid.c:39
int grid_compare(struct grid *ga, struct grid *gb)
Definition: grid.c:310
void log_debug(const char *msg,...)
Definition: log.c:130
const char * options_get_string(struct options *oo, const char *name)
Definition: options.c:686
long long options_get_number(struct options *oo, const char *name)
Definition: options.c:699
#define CELL_RIGHTJOIN
Definition: screen-redraw.c:44
static int screen_redraw_make_pane_status(struct client *c, struct window_pane *wp, struct screen_redraw_ctx *rctx, int pane_lines)
#define CELL_BOTTOMRIGHT
Definition: screen-redraw.c:40
#define CELL_BOTTOMLEFT
Definition: screen-redraw.c:39
static void screen_redraw_draw_status(struct screen_redraw_ctx *)
#define CELL_TOPJOIN
Definition: screen-redraw.c:41
static void screen_redraw_set_context(struct client *, struct screen_redraw_ctx *)
static int screen_redraw_check_cell(struct client *c, u_int px, u_int py, int pane_status, struct window_pane **wpp)
static void screen_redraw_draw_pane_status(struct screen_redraw_ctx *ctx)
static const struct grid_cell * screen_redraw_draw_borders_style(struct screen_redraw_ctx *ctx, u_int x, u_int y, struct window_pane *wp)
#define CELL_TOPBOTTOM
Definition: screen-redraw.c:35
static const struct utf8_data screen_redraw_double_borders[]
Definition: screen-redraw.c:53
static void screen_redraw_draw_pane(struct screen_redraw_ctx *, struct window_pane *)
#define CELL_BOTTOMJOIN
Definition: screen-redraw.c:42
void screen_redraw_screen(struct client *c)
static int screen_redraw_cell_border(struct client *c, u_int px, u_int py, int pane_status)
#define CELL_LEFTJOIN
Definition: screen-redraw.c:43
#define CELL_LEFTRIGHT
Definition: screen-redraw.c:36
#define START_ISOLATE
Definition: screen-redraw.c:50
static void screen_redraw_draw_panes(struct screen_redraw_ctx *)
#define CELL_JOIN
Definition: screen-redraw.c:45
static int screen_redraw_two_panes(struct window *w, int direction)
#define CELL_BORDERS
Definition: screen-redraw.c:48
static const struct utf8_data screen_redraw_heavy_borders[]
Definition: screen-redraw.c:69
screen_redraw_border_type
Definition: screen-redraw.c:85
@ SCREEN_REDRAW_INSIDE
Definition: screen-redraw.c:87
@ SCREEN_REDRAW_BORDER
Definition: screen-redraw.c:88
@ SCREEN_REDRAW_OUTSIDE
Definition: screen-redraw.c:86
#define CELL_TOPLEFT
Definition: screen-redraw.c:37
#define CELL_TOPRIGHT
Definition: screen-redraw.c:38
static enum screen_redraw_border_type screen_redraw_pane_border(struct window_pane *wp, u_int px, u_int py, int pane_status)
static void screen_redraw_draw_borders_cell(struct screen_redraw_ctx *ctx, u_int i, u_int j)
static int screen_redraw_type_of_cell(struct client *c, u_int px, u_int py, int pane_status)
void screen_redraw_pane(struct client *c, struct window_pane *wp)
static void screen_redraw_border_set(struct window_pane *wp, int pane_lines, int cell_type, struct grid_cell *gc)
Definition: screen-redraw.c:93
static void screen_redraw_draw_borders(struct screen_redraw_ctx *)
#define CELL_INSIDE
Definition: screen-redraw.c:34
#define END_ISOLATE
Definition: screen-redraw.c:51
#define CELL_OUTSIDE
Definition: screen-redraw.c:46
static int screen_redraw_check_is(u_int px, u_int py, int pane_status, struct window_pane *wp)
static int screen_redraw_update(struct client *c, int flags)
void screen_write_start(struct screen_write_ctx *ctx, struct screen *s)
Definition: screen-write.c:284
void screen_write_cell(struct screen_write_ctx *ctx, const struct grid_cell *gc)
void screen_write_cursormove(struct screen_write_ctx *ctx, int px, int py, int origin)
void screen_write_stop(struct screen_write_ctx *ctx)
Definition: screen-write.c:296
void screen_init(struct screen *s, u_int sx, u_int sy, u_int hlimit)
Definition: screen.c:74
void screen_free(struct screen *s)
Definition: screen.c:122
struct window_pane * server_client_get_pane(struct client *c)
int server_is_marked(struct session *s, struct winlink *wl, struct window_pane *wp)
Definition: server.c:84
struct cmd_find_state marked_pane
Definition: server.c:51
int status_redraw(struct client *c)
Definition: status.c:326
u_int status_line_size(struct client *c)
Definition: status.c:223
int status_prompt_redraw(struct client *c)
Definition: status.c:657
int status_message_redraw(struct client *c)
Definition: status.c:496
Definition: tmux.h:1608
struct tty tty
Definition: tmux.h:1640
overlay_check_cb overlay_check
Definition: tmux.h:1752
struct status_line status
Definition: tmux.h:1652
char * prompt_string
Definition: tmux.h:1723
const char * name
Definition: tmux.h:1609
struct session * session
Definition: tmux.h:1743
uint64_t flags
Definition: tmux.h:1703
overlay_draw_cb overlay_draw
Definition: tmux.h:1754
char * message_string
Definition: tmux.h:1720
struct window_pane * wp
Definition: tmux.h:1454
struct window_pane * wp
Definition: format.c:136
struct session * s
Definition: format.c:133
struct client * c
Definition: format.c:132
struct utf8_data data
Definition: tmux.h:689
u_short attr
Definition: tmux.h:690
int pane_lines
Definition: tmux.h:872
int pane_status
Definition: tmux.h:871
struct client * c
Definition: tmux.h:866
u_int statuslines
Definition: tmux.h:868
Definition: tmux.h:816
int mode
Definition: tmux.h:832
struct grid * grid
Definition: tmux.h:821
Definition: tmux.h:1179
struct winlink * curw
Definition: tmux.h:1192
struct options * options
Definition: tmux.h:1199
struct screen * active
Definition: tmux.h:1560
Definition: tmux.h:1304
u_int sx
Definition: tmux.h:1308
struct tty_term * term
Definition: tmux.h:1357
u_int sy
Definition: tmux.h:1309
int mode
Definition: tmux.h:1324
struct screen * screen
Definition: tmux.h:1020
int * palette
Definition: tmux.h:1014
int border_gc_set
Definition: tmux.h:1031
u_int xoff
Definition: tmux.h:971
u_int yoff
Definition: tmux.h:972
size_t status_size
Definition: tmux.h:1024
struct grid_cell border_gc
Definition: tmux.h:1032
u_int sy
Definition: tmux.h:969
struct window * window
Definition: tmux.h:962
u_int sx
Definition: tmux.h:968
struct screen status_screen
Definition: tmux.h:1023
u_int id
Definition: tmux.h:959
Definition: tmux.h:1041
u_int id
Definition: tmux.h:1042
struct options * options
Definition: tmux.h:1085
u_int sx
Definition: tmux.h:1063
struct window_panes panes
Definition: tmux.h:1056
u_int sy
Definition: tmux.h:1064
void style_apply(struct grid_cell *gc, struct options *oo, const char *name, struct format_tree *ft)
Definition: style.c:298
void tty_cell(struct tty *, const struct grid_cell *, const struct grid_cell *, int *)
Definition: tty.c:1930
#define PANE_LINES_NUMBER
Definition: tmux.h:1129
@ TTYC_BIDI
Definition: tmux.h:280
void tty_default_colours(struct grid_cell *, struct window_pane *)
Definition: tty.c:2668
#define CLIENT_UTF8
Definition: tmux.h:1670
void tty_puts(struct tty *, const char *)
Definition: tty.c:556
#define CLIENT_REDRAWSTATUSALWAYS
Definition: tmux.h:1678
#define GRID_ATTR_CHARSET
Definition: tmux.h:657
int window_pane_index(struct window_pane *, u_int *)
Definition: window.c:756
void tty_sync_start(struct tty *)
Definition: tty.c:1438
void tty_reset(struct tty *)
Definition: tty.c:1963
void tty_draw_line(struct tty *, struct screen *, u_int, u_int, u_int, u_int, u_int, const struct grid_cell *, int *)
Definition: tty.c:1281
int tty_term_has(struct tty_term *, enum tty_code_code)
Definition: tty-term.c:746
#define PANE_STATUS_BOTTOM
Definition: tmux.h:1122
#define PANE_STATUS_TOP
Definition: tmux.h:1121
#define CLIENT_REDRAWOVERLAY
Definition: tmux.h:1679
#define PANE_LINES_HEAVY
Definition: tmux.h:1127
void utf8_copy(struct utf8_data *, const struct utf8_data *)
Definition: utf8.c:203
#define PANE_STATUS_OFF
Definition: tmux.h:1120
void tty_update_mode(struct tty *, int, struct screen *)
Definition: tty.c:658
void utf8_set(struct utf8_data *, u_char)
Definition: utf8.c:193
#define FORMAT_PANE
Definition: tmux.h:1974
int window_pane_visible(struct window_pane *)
Definition: window.c:1189
#define CLIENT_ALLREDRAWFLAGS
Definition: tmux.h:1688
#define CLIENT_REDRAWWINDOW
Definition: tmux.h:1657
#define CLIENT_REDRAWSTATUS
Definition: tmux.h:1658
#define PANE_LINES_SIMPLE
Definition: tmux.h:1128
#define PANE_LINES_DOUBLE
Definition: tmux.h:1126
#define GRID_ATTR_REVERSE
Definition: tmux.h:654
#define CLIENT_REDRAWBORDERS
Definition: tmux.h:1664
void tty_cursor(struct tty *, u_int, u_int)
Definition: tty.c:2111
#define FORMAT_STATUS
Definition: tmux.h:1969
#define CLIENT_SUSPENDED
Definition: tmux.h:1660
int tty_window_offset(struct tty *, u_int *, u_int *, u_int *, u_int *)
Definition: tty.c:780