Annotation of src/usr.bin/tmux/screen-redraw.c, Revision 1.94
1.94 ! nicm 1: /* $OpenBSD: screen-redraw.c,v 1.93 2022/02/01 14:46:41 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
1.90 nicm 50: screen_redraw_border_set(struct window_pane *wp, enum pane_lines pane_lines,
51: int cell_type, struct grid_cell *gc)
1.78 nicm 52: {
53: u_int idx;
54:
55: switch (pane_lines) {
56: case PANE_LINES_NUMBER:
57: if (cell_type == CELL_OUTSIDE) {
58: gc->attr |= GRID_ATTR_CHARSET;
59: utf8_set(&gc->data, CELL_BORDERS[CELL_OUTSIDE]);
60: break;
61: }
62: gc->attr &= ~GRID_ATTR_CHARSET;
63: if (wp != NULL && window_pane_index(wp, &idx) == 0)
64: utf8_set(&gc->data, '0' + (idx % 10));
65: else
66: utf8_set(&gc->data, '*');
67: break;
68: case PANE_LINES_DOUBLE:
69: gc->attr &= ~GRID_ATTR_CHARSET;
1.90 nicm 70: utf8_copy(&gc->data, tty_acs_double_borders(cell_type));
1.78 nicm 71: break;
72: case PANE_LINES_HEAVY:
73: gc->attr &= ~GRID_ATTR_CHARSET;
1.90 nicm 74: utf8_copy(&gc->data, tty_acs_heavy_borders(cell_type));
1.78 nicm 75: break;
76: case PANE_LINES_SIMPLE:
77: gc->attr &= ~GRID_ATTR_CHARSET;
1.90 nicm 78: utf8_set(&gc->data, SIMPLE_BORDERS[cell_type]);
1.78 nicm 79: break;
80: default:
81: gc->attr |= GRID_ATTR_CHARSET;
82: utf8_set(&gc->data, CELL_BORDERS[cell_type]);
83: break;
84: }
85: }
86:
1.75 nicm 87: /* Return if window has only two panes. */
1.39 nicm 88: static int
1.75 nicm 89: screen_redraw_two_panes(struct window *w, int direction)
1.15 nicm 90: {
1.75 nicm 91: struct window_pane *wp;
92:
93: wp = TAILQ_NEXT(TAILQ_FIRST(&w->panes), entry);
94: if (wp == NULL)
95: return (0); /* one pane */
96: if (TAILQ_NEXT(wp, entry) != NULL)
97: return (0); /* more than two panes */
98: if (direction == 0 && wp->xoff == 0)
99: return (0);
100: if (direction == 1 && wp->yoff == 0)
101: return (0);
102: return (1);
103: }
104:
105: /* Check if cell is on the border of a pane. */
106: static enum screen_redraw_border_type
107: screen_redraw_pane_border(struct window_pane *wp, u_int px, u_int py,
108: int pane_status)
109: {
1.93 nicm 110: struct options *oo = wp->window->options;
111: int split = 0;
112: u_int ex = wp->xoff + wp->sx, ey = wp->yoff + wp->sy;
1.75 nicm 113:
1.15 nicm 114: /* Inside pane. */
1.75 nicm 115: if (px >= wp->xoff && px < ex && py >= wp->yoff && py < ey)
116: return (SCREEN_REDRAW_INSIDE);
1.15 nicm 117:
1.93 nicm 118: /* Get pane indicator. */
119: switch (options_get_number(oo, "pane-border-indicators")) {
120: case PANE_BORDER_COLOUR:
121: case PANE_BORDER_BOTH:
122: split = 1;
123: break;
124: }
125:
1.15 nicm 126: /* Left/right borders. */
1.75 nicm 127: if (pane_status == PANE_STATUS_OFF) {
1.93 nicm 128: if (screen_redraw_two_panes(wp->window, 0) && split) {
1.75 nicm 129: if (wp->xoff == 0 && px == wp->sx && py <= wp->sy / 2)
1.93 nicm 130: return (SCREEN_REDRAW_BORDER_RIGHT);
1.75 nicm 131: if (wp->xoff != 0 &&
132: px == wp->xoff - 1 &&
133: py > wp->sy / 2)
1.93 nicm 134: return (SCREEN_REDRAW_BORDER_LEFT);
1.75 nicm 135: } else {
136: if ((wp->yoff == 0 || py >= wp->yoff - 1) && py <= ey) {
137: if (wp->xoff != 0 && px == wp->xoff - 1)
1.93 nicm 138: return (SCREEN_REDRAW_BORDER_LEFT);
1.75 nicm 139: if (px == ex)
1.93 nicm 140: return (SCREEN_REDRAW_BORDER_RIGHT);
1.75 nicm 141: }
142: }
143: } else {
144: if ((wp->yoff == 0 || py >= wp->yoff - 1) && py <= ey) {
145: if (wp->xoff != 0 && px == wp->xoff - 1)
1.93 nicm 146: return (SCREEN_REDRAW_BORDER_LEFT);
1.75 nicm 147: if (px == ex)
1.93 nicm 148: return (SCREEN_REDRAW_BORDER_RIGHT);
1.75 nicm 149: }
1.15 nicm 150: }
151:
152: /* Top/bottom borders. */
1.75 nicm 153: if (pane_status == PANE_STATUS_OFF) {
1.93 nicm 154: if (screen_redraw_two_panes(wp->window, 1) && split) {
1.75 nicm 155: if (wp->yoff == 0 && py == wp->sy && px <= wp->sx / 2)
1.93 nicm 156: return (SCREEN_REDRAW_BORDER_BOTTOM);
1.75 nicm 157: if (wp->yoff != 0 &&
158: py == wp->yoff - 1 &&
159: px > wp->sx / 2)
1.93 nicm 160: return (SCREEN_REDRAW_BORDER_TOP);
1.75 nicm 161: } else {
162: if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= ex) {
163: if (wp->yoff != 0 && py == wp->yoff - 1)
1.93 nicm 164: return (SCREEN_REDRAW_BORDER_TOP);
1.75 nicm 165: if (py == ey)
1.93 nicm 166: return (SCREEN_REDRAW_BORDER_BOTTOM);
1.75 nicm 167: }
168: }
169: } else if (pane_status == PANE_STATUS_TOP) {
170: if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= ex) {
171: if (wp->yoff != 0 && py == wp->yoff - 1)
1.93 nicm 172: return (SCREEN_REDRAW_BORDER_TOP);
1.75 nicm 173: }
174: } else {
175: if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= ex) {
176: if (py == ey)
1.93 nicm 177: return (SCREEN_REDRAW_BORDER_BOTTOM);
1.75 nicm 178: }
1.15 nicm 179: }
180:
181: /* Outside pane. */
1.75 nicm 182: return (SCREEN_REDRAW_OUTSIDE);
1.15 nicm 183: }
184:
1.75 nicm 185: /* Check if a cell is on a border. */
1.39 nicm 186: static int
1.75 nicm 187: screen_redraw_cell_border(struct client *c, u_int px, u_int py, int pane_status)
1.1 nicm 188: {
189: struct window *w = c->session->curw->window;
190: struct window_pane *wp;
1.75 nicm 191:
192: /* Outside the window? */
193: if (px > w->sx || py > w->sy)
194: return (0);
195:
196: /* On the window border? */
197: if (px == w->sx || py == w->sy)
198: return (1);
1.1 nicm 199:
1.7 nicm 200: /* Check all the panes. */
1.1 nicm 201: TAILQ_FOREACH(wp, &w->panes, entry) {
1.3 nicm 202: if (!window_pane_visible(wp))
203: continue;
1.75 nicm 204: switch (screen_redraw_pane_border(wp, px, py, pane_status)) {
205: case SCREEN_REDRAW_INSIDE:
206: return (0);
207: case SCREEN_REDRAW_OUTSIDE:
208: break;
1.93 nicm 209: default:
210: return (1);
1.75 nicm 211: }
1.7 nicm 212: }
213:
214: return (0);
215: }
216:
1.75 nicm 217: /* Work out type of border cell from surrounding cells. */
218: static int
219: screen_redraw_type_of_cell(struct client *c, u_int px, u_int py,
220: int pane_status)
221: {
222: struct window *w = c->session->curw->window;
223: u_int sx = w->sx, sy = w->sy;
224: int borders = 0;
225:
1.79 nicm 226: /* Is this outside the window? */
1.81 nicm 227: if (px > sx || py > sy)
1.79 nicm 228: return (CELL_OUTSIDE);
229:
1.75 nicm 230: /*
231: * Construct a bitmask of whether the cells to the left (bit 4), right,
232: * top, and bottom (bit 1) of this cell are borders.
233: */
234: if (px == 0 || screen_redraw_cell_border(c, px - 1, py, pane_status))
235: borders |= 8;
236: if (px <= sx && screen_redraw_cell_border(c, px + 1, py, pane_status))
237: borders |= 4;
238: if (pane_status == PANE_STATUS_TOP) {
239: if (py != 0 &&
240: screen_redraw_cell_border(c, px, py - 1, pane_status))
241: borders |= 2;
1.79 nicm 242: if (screen_redraw_cell_border(c, px, py + 1, pane_status))
243: borders |= 1;
1.80 nicm 244: } else if (pane_status == PANE_STATUS_BOTTOM) {
1.75 nicm 245: if (py == 0 ||
246: screen_redraw_cell_border(c, px, py - 1, pane_status))
1.79 nicm 247: borders |= 2;
248: if (py != sy - 1 &&
249: screen_redraw_cell_border(c, px, py + 1, pane_status))
1.80 nicm 250: borders |= 1;
251: } else {
252: if (py == 0 ||
253: screen_redraw_cell_border(c, px, py - 1, pane_status))
254: borders |= 2;
255: if (screen_redraw_cell_border(c, px, py + 1, pane_status))
1.79 nicm 256: borders |= 1;
1.75 nicm 257: }
258:
259: /*
260: * Figure out what kind of border this cell is. Only one bit set
261: * doesn't make sense (can't have a border cell with no others
262: * connected).
263: */
264: switch (borders) {
265: case 15: /* 1111, left right top bottom */
266: return (CELL_JOIN);
267: case 14: /* 1110, left right top */
268: return (CELL_BOTTOMJOIN);
269: case 13: /* 1101, left right bottom */
270: return (CELL_TOPJOIN);
271: case 12: /* 1100, left right */
1.83 nicm 272: return (CELL_LEFTRIGHT);
1.75 nicm 273: case 11: /* 1011, left top bottom */
274: return (CELL_RIGHTJOIN);
275: case 10: /* 1010, left top */
276: return (CELL_BOTTOMRIGHT);
277: case 9: /* 1001, left bottom */
278: return (CELL_TOPRIGHT);
279: case 7: /* 0111, right top bottom */
280: return (CELL_LEFTJOIN);
281: case 6: /* 0110, right top */
282: return (CELL_BOTTOMLEFT);
283: case 5: /* 0101, right bottom */
284: return (CELL_TOPLEFT);
285: case 3: /* 0011, top bottom */
1.83 nicm 286: return (CELL_TOPBOTTOM);
1.75 nicm 287: }
288: return (CELL_OUTSIDE);
289: }
290:
1.7 nicm 291: /* Check if cell inside a pane. */
1.39 nicm 292: static int
1.36 nicm 293: screen_redraw_check_cell(struct client *c, u_int px, u_int py, int pane_status,
1.24 nicm 294: struct window_pane **wpp)
1.7 nicm 295: {
296: struct window *w = c->session->curw->window;
1.77 nicm 297: struct window_pane *wp, *active;
1.75 nicm 298: int border;
1.36 nicm 299: u_int right, line;
1.7 nicm 300:
1.39 nicm 301: *wpp = NULL;
302:
1.81 nicm 303: if (px > w->sx || py > w->sy)
1.7 nicm 304: return (CELL_OUTSIDE);
1.75 nicm 305: if (px == w->sx || py == w->sy) /* window border */
306: return (screen_redraw_type_of_cell(c, px, py, pane_status));
1.7 nicm 307:
1.64 nicm 308: if (pane_status != PANE_STATUS_OFF) {
1.77 nicm 309: active = wp = server_client_get_pane(c);
1.75 nicm 310: do {
1.36 nicm 311: if (!window_pane_visible(wp))
1.75 nicm 312: goto next1;
1.36 nicm 313:
1.64 nicm 314: if (pane_status == PANE_STATUS_TOP)
1.36 nicm 315: line = wp->yoff - 1;
316: else
317: line = wp->yoff + wp->sy;
318: right = wp->xoff + 2 + wp->status_size - 1;
319:
320: if (py == line && px >= wp->xoff + 2 && px <= right)
321: return (CELL_INSIDE);
1.75 nicm 322:
323: next1:
324: wp = TAILQ_NEXT(wp, entry);
325: if (wp == NULL)
326: wp = TAILQ_FIRST(&w->panes);
1.77 nicm 327: } while (wp != active);
1.36 nicm 328: }
329:
1.77 nicm 330: active = wp = server_client_get_pane(c);
1.75 nicm 331: do {
1.7 nicm 332: if (!window_pane_visible(wp))
1.75 nicm 333: goto next2;
1.24 nicm 334: *wpp = wp;
1.7 nicm 335:
1.14 nicm 336: /*
1.75 nicm 337: * If definitely inside, return. If not on border, skip.
338: * Otherwise work out the cell.
1.7 nicm 339: */
1.75 nicm 340: border = screen_redraw_pane_border(wp, px, py, pane_status);
341: if (border == SCREEN_REDRAW_INSIDE)
342: return (CELL_INSIDE);
343: if (border == SCREEN_REDRAW_OUTSIDE)
344: goto next2;
345: return (screen_redraw_type_of_cell(c, px, py, pane_status));
346:
347: next2:
348: wp = TAILQ_NEXT(wp, entry);
349: if (wp == NULL)
350: wp = TAILQ_FIRST(&w->panes);
1.77 nicm 351: } while (wp != active);
1.1 nicm 352:
1.6 nicm 353: return (CELL_OUTSIDE);
1.1 nicm 354: }
355:
1.32 nicm 356: /* Check if the border of a particular pane. */
1.39 nicm 357: static int
1.75 nicm 358: screen_redraw_check_is(u_int px, u_int py, int pane_status,
359: struct window_pane *wp)
1.24 nicm 360: {
1.75 nicm 361: enum screen_redraw_border_type border;
1.36 nicm 362:
1.75 nicm 363: border = screen_redraw_pane_border(wp, px, py, pane_status);
1.93 nicm 364: if (border != SCREEN_REDRAW_INSIDE && border != SCREEN_REDRAW_OUTSIDE)
1.24 nicm 365: return (1);
1.75 nicm 366: return (0);
1.36 nicm 367: }
368:
369: /* Update pane status. */
1.39 nicm 370: static int
1.79 nicm 371: screen_redraw_make_pane_status(struct client *c, struct window_pane *wp,
1.90 nicm 372: struct screen_redraw_ctx *rctx, enum pane_lines pane_lines)
1.36 nicm 373: {
1.79 nicm 374: struct window *w = wp->window;
1.36 nicm 375: struct grid_cell gc;
376: const char *fmt;
377: struct format_tree *ft;
1.59 nicm 378: char *expanded;
1.79 nicm 379: int pane_status = rctx->pane_status;
1.82 nicm 380: u_int width, i, cell_type, px, py;
1.36 nicm 381: struct screen_write_ctx ctx;
1.40 nicm 382: struct screen old;
1.36 nicm 383:
1.75 nicm 384: ft = format_create(c, NULL, FORMAT_PANE|wp->id, FORMAT_STATUS);
385: format_defaults(ft, c, c->session, c->session->curw, wp);
386:
1.77 nicm 387: if (wp == server_client_get_pane(c))
1.75 nicm 388: style_apply(&gc, w->options, "pane-active-border-style", ft);
1.36 nicm 389: else
1.75 nicm 390: style_apply(&gc, w->options, "pane-border-style", ft);
1.92 nicm 391: fmt = options_get_string(wp->options, "pane-border-format");
1.36 nicm 392:
1.59 nicm 393: expanded = format_expand_time(ft, fmt);
1.60 nicm 394: if (wp->sx < 4)
395: wp->status_size = width = 0;
396: else
397: wp->status_size = width = wp->sx - 4;
1.59 nicm 398:
1.40 nicm 399: memcpy(&old, &wp->status_screen, sizeof old);
1.59 nicm 400: screen_init(&wp->status_screen, width, 1, 0);
1.36 nicm 401: wp->status_screen.mode = 0;
402:
1.76 nicm 403: screen_write_start(&ctx, &wp->status_screen);
1.59 nicm 404:
1.79 nicm 405: for (i = 0; i < width; i++) {
406: px = wp->xoff + 2 + i;
407: if (rctx->pane_status == PANE_STATUS_TOP)
1.82 nicm 408: py = wp->yoff - 1;
1.79 nicm 409: else
1.82 nicm 410: py = wp->yoff + wp->sy;
1.79 nicm 411: cell_type = screen_redraw_type_of_cell(c, px, py, pane_status);
412: screen_redraw_border_set(wp, pane_lines, cell_type, &gc);
1.78 nicm 413: screen_write_cell(&ctx, &gc);
1.79 nicm 414: }
1.59 nicm 415: gc.attr &= ~GRID_ATTR_CHARSET;
1.36 nicm 416:
1.56 nicm 417: screen_write_cursormove(&ctx, 0, 0, 0);
1.91 nicm 418: format_draw(&ctx, &gc, width, expanded, NULL, 0);
1.36 nicm 419: screen_write_stop(&ctx);
420:
1.59 nicm 421: free(expanded);
1.36 nicm 422: format_free(ft);
1.40 nicm 423:
424: if (grid_compare(wp->status_screen.grid, old.grid) == 0) {
425: screen_free(&old);
426: return (0);
427: }
428: screen_free(&old);
429: return (1);
1.36 nicm 430: }
431:
432: /* Draw pane status. */
1.39 nicm 433: static void
1.52 nicm 434: screen_redraw_draw_pane_status(struct screen_redraw_ctx *ctx)
1.36 nicm 435: {
1.53 nicm 436: struct client *c = ctx->c;
1.36 nicm 437: struct window *w = c->session->curw->window;
438: struct tty *tty = &c->tty;
439: struct window_pane *wp;
1.55 nicm 440: struct screen *s;
441: u_int i, x, width, xoff, yoff, size;
442:
443: log_debug("%s: %s @%u", __func__, c->name, w->id);
1.36 nicm 444:
445: TAILQ_FOREACH(wp, &w->panes, entry) {
1.40 nicm 446: if (!window_pane_visible(wp))
447: continue;
1.55 nicm 448: s = &wp->status_screen;
449:
450: size = wp->status_size;
1.64 nicm 451: if (ctx->pane_status == PANE_STATUS_TOP)
1.36 nicm 452: yoff = wp->yoff - 1;
453: else
454: yoff = wp->yoff + wp->sy;
1.55 nicm 455: xoff = wp->xoff + 2;
456:
457: if (xoff + size <= ctx->ox ||
458: xoff >= ctx->ox + ctx->sx ||
459: yoff < ctx->oy ||
460: yoff >= ctx->oy + ctx->sy)
461: continue;
462:
463: if (xoff >= ctx->ox && xoff + size <= ctx->ox + ctx->sx) {
464: /* All visible. */
465: i = 0;
466: x = xoff - ctx->ox;
467: width = size;
468: } else if (xoff < ctx->ox && xoff + size > ctx->ox + ctx->sx) {
469: /* Both left and right not visible. */
470: i = ctx->ox;
471: x = 0;
472: width = ctx->sx;
473: } else if (xoff < ctx->ox) {
474: /* Left not visible. */
475: i = ctx->ox - xoff;
476: x = 0;
477: width = size - i;
478: } else {
479: /* Right not visible. */
480: i = 0;
481: x = xoff - ctx->ox;
482: width = size - x;
483: }
1.36 nicm 484:
1.61 nicm 485: if (ctx->statustop)
486: yoff += ctx->statuslines;
1.76 nicm 487: tty_draw_line(tty, s, i, 0, width, x, yoff - ctx->oy,
488: &grid_default_cell, NULL);
1.36 nicm 489: }
490: tty_cursor(tty, 0, 0);
1.24 nicm 491: }
492:
1.38 nicm 493: /* Update status line and change flags if unchanged. */
1.54 nicm 494: static int
495: screen_redraw_update(struct client *c, int flags)
1.38 nicm 496: {
1.90 nicm 497: struct window *w = c->session->curw->window;
498: struct window_pane *wp;
499: struct options *wo = w->options;
500: int redraw;
501: enum pane_lines lines;
502: struct screen_redraw_ctx ctx;
1.38 nicm 503:
504: if (c->message_string != NULL)
505: redraw = status_message_redraw(c);
506: else if (c->prompt_string != NULL)
507: redraw = status_prompt_redraw(c);
508: else
509: redraw = status_redraw(c);
1.54 nicm 510: if (!redraw && (~flags & CLIENT_REDRAWSTATUSALWAYS))
511: flags &= ~CLIENT_REDRAWSTATUS;
1.38 nicm 512:
1.63 nicm 513: if (c->overlay_draw != NULL)
514: flags |= CLIENT_REDRAWOVERLAY;
515:
1.64 nicm 516: if (options_get_number(wo, "pane-border-status") != PANE_STATUS_OFF) {
1.79 nicm 517: screen_redraw_set_context(c, &ctx);
1.78 nicm 518: lines = options_get_number(wo, "pane-border-lines");
1.38 nicm 519: redraw = 0;
520: TAILQ_FOREACH(wp, &w->panes, entry) {
1.79 nicm 521: if (screen_redraw_make_pane_status(c, wp, &ctx, lines))
1.38 nicm 522: redraw = 1;
523: }
524: if (redraw)
1.54 nicm 525: flags |= CLIENT_REDRAWBORDERS;
1.38 nicm 526: }
1.54 nicm 527: return (flags);
1.38 nicm 528: }
529:
1.52 nicm 530: /* Set up redraw context. */
531: static void
532: screen_redraw_set_context(struct client *c, struct screen_redraw_ctx *ctx)
533: {
1.53 nicm 534: struct session *s = c->session;
535: struct options *oo = s->options;
536: struct window *w = s->curw->window;
537: struct options *wo = w->options;
1.61 nicm 538: u_int lines;
1.52 nicm 539:
540: memset(ctx, 0, sizeof *ctx);
541: ctx->c = c;
542:
1.61 nicm 543: lines = status_line_size(c);
1.55 nicm 544: if (c->message_string != NULL || c->prompt_string != NULL)
1.61 nicm 545: lines = (lines == 0) ? 1 : lines;
546: if (lines != 0 && options_get_number(oo, "status-position") == 0)
547: ctx->statustop = 1;
548: ctx->statuslines = lines;
549:
1.52 nicm 550: ctx->pane_status = options_get_number(wo, "pane-border-status");
1.78 nicm 551: ctx->pane_lines = options_get_number(wo, "pane-border-lines");
1.52 nicm 552:
1.55 nicm 553: tty_window_offset(&c->tty, &ctx->ox, &ctx->oy, &ctx->sx, &ctx->sy);
554:
555: log_debug("%s: %s @%u ox=%u oy=%u sx=%u sy=%u %u/%d", __func__, c->name,
1.61 nicm 556: w->id, ctx->ox, ctx->oy, ctx->sx, ctx->sy, ctx->statuslines,
557: ctx->statustop);
1.52 nicm 558: }
559:
1.4 nicm 560: /* Redraw entire screen. */
1.1 nicm 561: void
1.53 nicm 562: screen_redraw_screen(struct client *c)
1.1 nicm 563: {
1.53 nicm 564: struct screen_redraw_ctx ctx;
1.54 nicm 565: int flags;
1.18 nicm 566:
567: if (c->flags & CLIENT_SUSPENDED)
568: return;
1.1 nicm 569:
1.54 nicm 570: flags = screen_redraw_update(c, c->flags);
1.74 nicm 571: if ((flags & CLIENT_ALLREDRAWFLAGS) == 0)
572: return;
573:
1.52 nicm 574: screen_redraw_set_context(c, &ctx);
1.84 nicm 575: tty_sync_start(&c->tty);
1.74 nicm 576: tty_update_mode(&c->tty, c->tty.mode, NULL);
1.51 nicm 577:
1.54 nicm 578: if (flags & (CLIENT_REDRAWWINDOW|CLIENT_REDRAWBORDERS)) {
1.70 nicm 579: log_debug("%s: redrawing borders", c->name);
1.64 nicm 580: if (ctx.pane_status != PANE_STATUS_OFF)
1.53 nicm 581: screen_redraw_draw_pane_status(&ctx);
1.50 nicm 582: screen_redraw_draw_borders(&ctx);
1.53 nicm 583: }
1.70 nicm 584: if (flags & CLIENT_REDRAWWINDOW) {
585: log_debug("%s: redrawing panes", c->name);
1.50 nicm 586: screen_redraw_draw_panes(&ctx);
1.70 nicm 587: }
1.61 nicm 588: if (ctx.statuslines != 0 &&
1.70 nicm 589: (flags & (CLIENT_REDRAWSTATUS|CLIENT_REDRAWSTATUSALWAYS))) {
590: log_debug("%s: redrawing status", c->name);
1.50 nicm 591: screen_redraw_draw_status(&ctx);
1.70 nicm 592: }
593: if (c->overlay_draw != NULL && (flags & CLIENT_REDRAWOVERLAY)) {
594: log_debug("%s: redrawing overlay", c->name);
1.88 nicm 595: c->overlay_draw(c, c->overlay_data, &ctx);
1.70 nicm 596: }
1.67 nicm 597:
1.52 nicm 598: tty_reset(&c->tty);
1.26 nicm 599: }
1.4 nicm 600:
1.55 nicm 601: /* Redraw a single pane. */
1.26 nicm 602: void
603: screen_redraw_pane(struct client *c, struct window_pane *wp)
604: {
1.55 nicm 605: struct screen_redraw_ctx ctx;
1.26 nicm 606:
1.85 nicm 607: if (!window_pane_visible(wp))
1.4 nicm 608: return;
1.1 nicm 609:
1.55 nicm 610: screen_redraw_set_context(c, &ctx);
1.84 nicm 611: tty_sync_start(&c->tty);
1.74 nicm 612: tty_update_mode(&c->tty, c->tty.mode, NULL);
1.26 nicm 613:
1.55 nicm 614: screen_redraw_draw_pane(&ctx, wp);
1.67 nicm 615:
1.26 nicm 616: tty_reset(&c->tty);
617: }
618:
1.75 nicm 619: /* Get border cell style. */
620: static const struct grid_cell *
621: screen_redraw_draw_borders_style(struct screen_redraw_ctx *ctx, u_int x,
622: u_int y, struct window_pane *wp)
623: {
624: struct client *c = ctx->c;
625: struct session *s = c->session;
626: struct window *w = s->curw->window;
1.77 nicm 627: struct window_pane *active = server_client_get_pane(c);
1.75 nicm 628: struct options *oo = w->options;
629: struct format_tree *ft;
630:
631: if (wp->border_gc_set)
632: return (&wp->border_gc);
633: wp->border_gc_set = 1;
634:
635: ft = format_create_defaults(NULL, c, s, s->curw, wp);
1.78 nicm 636: if (screen_redraw_check_is(x, y, ctx->pane_status, active))
637: style_apply(&wp->border_gc, oo, "pane-active-border-style", ft);
638: else
639: style_apply(&wp->border_gc, oo, "pane-border-style", ft);
640: format_free(ft);
1.75 nicm 641:
1.78 nicm 642: return (&wp->border_gc);
1.75 nicm 643: }
644:
1.50 nicm 645: /* Draw a border cell. */
646: static void
1.75 nicm 647: screen_redraw_draw_borders_cell(struct screen_redraw_ctx *ctx, u_int i, u_int j)
1.50 nicm 648: {
1.53 nicm 649: struct client *c = ctx->c;
650: struct session *s = c->session;
1.86 nicm 651: struct window *w = s->curw->window;
652: struct options *oo = w->options;
1.53 nicm 653: struct tty *tty = &c->tty;
1.86 nicm 654: struct format_tree *ft;
1.93 nicm 655: struct window_pane *wp, *active = server_client_get_pane(c);
1.89 nicm 656: struct grid_cell gc;
657: const struct grid_cell *tmp;
658: struct overlay_ranges r;
1.78 nicm 659: u_int cell_type, x = ctx->ox + i, y = ctx->oy + j;
1.93 nicm 660: int arrows = 0, border;
1.83 nicm 661: int pane_status = ctx->pane_status, isolates;
1.50 nicm 662:
1.89 nicm 663: if (c->overlay_check != NULL) {
664: c->overlay_check(c, c->overlay_data, x, y, 1, &r);
665: if (r.nx[0] + r.nx[1] == 0)
666: return;
667: }
1.75 nicm 668:
1.78 nicm 669: cell_type = screen_redraw_check_cell(c, x, y, pane_status, &wp);
670: if (cell_type == CELL_INSIDE)
1.50 nicm 671: return;
672:
1.86 nicm 673: if (wp == NULL) {
674: if (!ctx->no_pane_gc_set) {
675: ft = format_create_defaults(NULL, c, s, s->curw, NULL);
676: memcpy(&ctx->no_pane_gc, &grid_default_cell, sizeof gc);
677: style_add(&ctx->no_pane_gc, oo, "pane-border-style",
678: ft);
679: format_free(ft);
680: ctx->no_pane_gc_set = 1;
681: }
682: memcpy(&gc, &ctx->no_pane_gc, sizeof gc);
683: } else {
1.78 nicm 684: tmp = screen_redraw_draw_borders_style(ctx, x, y, wp);
685: if (tmp == NULL)
1.75 nicm 686: return;
1.78 nicm 687: memcpy(&gc, tmp, sizeof gc);
1.75 nicm 688:
689: if (server_is_marked(s, s->curw, marked_pane.wp) &&
1.78 nicm 690: screen_redraw_check_is(x, y, pane_status, marked_pane.wp))
691: gc.attr ^= GRID_ATTR_REVERSE;
1.75 nicm 692: }
1.78 nicm 693: screen_redraw_border_set(wp, ctx->pane_lines, cell_type, &gc);
1.75 nicm 694:
1.83 nicm 695: if (cell_type == CELL_TOPBOTTOM &&
696: (c->flags & CLIENT_UTF8) &&
697: tty_term_has(tty->term, TTYC_BIDI))
698: isolates = 1;
699: else
700: isolates = 0;
701:
1.61 nicm 702: if (ctx->statustop)
703: tty_cursor(tty, i, ctx->statuslines + j);
1.50 nicm 704: else
1.55 nicm 705: tty_cursor(tty, i, j);
1.83 nicm 706: if (isolates)
707: tty_puts(tty, END_ISOLATE);
1.93 nicm 708:
709: switch (options_get_number(oo, "pane-border-indicators")) {
710: case PANE_BORDER_ARROWS:
711: case PANE_BORDER_BOTH:
712: arrows = 1;
713: break;
714: }
715:
716: if (wp != NULL && arrows) {
717: border = screen_redraw_pane_border(active, x, y, pane_status);
718: if (((i == wp->xoff + 1 &&
719: (cell_type == CELL_LEFTRIGHT ||
720: (cell_type == CELL_TOPJOIN &&
721: border == SCREEN_REDRAW_BORDER_BOTTOM) ||
722: (cell_type == CELL_BOTTOMJOIN &&
723: border == SCREEN_REDRAW_BORDER_TOP))) ||
724: (j == wp->yoff + 1 &&
725: (cell_type == CELL_TOPBOTTOM ||
726: (cell_type == CELL_LEFTJOIN &&
727: border == SCREEN_REDRAW_BORDER_RIGHT) ||
728: (cell_type == CELL_RIGHTJOIN &&
729: border == SCREEN_REDRAW_BORDER_LEFT)))) &&
1.94 ! nicm 730: screen_redraw_check_is(x, y, pane_status, active)) {
! 731: gc.attr |= GRID_ATTR_CHARSET;
1.93 nicm 732: utf8_set(&gc.data, BORDER_MARKERS[border]);
1.94 ! nicm 733: }
1.93 nicm 734: }
735:
1.78 nicm 736: tty_cell(tty, &gc, &grid_default_cell, NULL);
1.83 nicm 737: if (isolates)
738: tty_puts(tty, START_ISOLATE);
1.50 nicm 739: }
740:
1.26 nicm 741: /* Draw the borders. */
1.39 nicm 742: static void
1.50 nicm 743: screen_redraw_draw_borders(struct screen_redraw_ctx *ctx)
1.26 nicm 744: {
1.50 nicm 745: struct client *c = ctx->c;
1.32 nicm 746: struct session *s = c->session;
747: struct window *w = s->curw->window;
1.75 nicm 748: struct window_pane *wp;
1.55 nicm 749: u_int i, j;
750:
751: log_debug("%s: %s @%u", __func__, c->name, w->id);
1.26 nicm 752:
1.75 nicm 753: TAILQ_FOREACH(wp, &w->panes, entry)
754: wp->border_gc_set = 0;
755:
756: for (j = 0; j < c->tty.sy - ctx->statuslines; j++) {
757: for (i = 0; i < c->tty.sx; i++)
758: screen_redraw_draw_borders_cell(ctx, i, j);
1.28 nicm 759: }
1.26 nicm 760: }
1.1 nicm 761:
1.26 nicm 762: /* Draw the panes. */
1.39 nicm 763: static void
1.50 nicm 764: screen_redraw_draw_panes(struct screen_redraw_ctx *ctx)
1.26 nicm 765: {
1.50 nicm 766: struct client *c = ctx->c;
1.26 nicm 767: struct window *w = c->session->curw->window;
768: struct window_pane *wp;
1.47 nicm 769:
1.55 nicm 770: log_debug("%s: %s @%u", __func__, c->name, w->id);
771:
1.1 nicm 772: TAILQ_FOREACH(wp, &w->panes, entry) {
1.61 nicm 773: if (window_pane_visible(wp))
774: screen_redraw_draw_pane(ctx, wp);
1.1 nicm 775: }
776: }
777:
1.26 nicm 778: /* Draw the status line. */
1.39 nicm 779: static void
1.50 nicm 780: screen_redraw_draw_status(struct screen_redraw_ctx *ctx)
1.1 nicm 781: {
1.50 nicm 782: struct client *c = ctx->c;
1.55 nicm 783: struct window *w = c->session->curw->window;
1.26 nicm 784: struct tty *tty = &c->tty;
1.58 nicm 785: struct screen *s = c->status.active;
1.47 nicm 786: u_int i, y;
1.23 nicm 787:
1.55 nicm 788: log_debug("%s: %s @%u", __func__, c->name, w->id);
789:
1.61 nicm 790: if (ctx->statustop)
1.47 nicm 791: y = 0;
1.26 nicm 792: else
1.61 nicm 793: y = c->tty.sy - ctx->statuslines;
1.76 nicm 794: for (i = 0; i < ctx->statuslines; i++) {
795: tty_draw_line(tty, s, 0, i, UINT_MAX, 0, y + i,
796: &grid_default_cell, NULL);
797: }
1.55 nicm 798: }
799:
800: /* Draw one pane. */
801: static void
802: screen_redraw_draw_pane(struct screen_redraw_ctx *ctx, struct window_pane *wp)
803: {
1.87 nicm 804: struct client *c = ctx->c;
805: struct window *w = c->session->curw->window;
806: struct tty *tty = &c->tty;
807: struct screen *s = wp->screen;
808: struct colour_palette *palette = &wp->palette;
809: struct grid_cell defaults;
810: u_int i, j, top, x, y, width;
1.55 nicm 811:
812: log_debug("%s: %s @%u %%%u", __func__, c->name, w->id, wp->id);
813:
814: if (wp->xoff + wp->sx <= ctx->ox || wp->xoff >= ctx->ox + ctx->sx)
815: return;
1.61 nicm 816: if (ctx->statustop)
817: top = ctx->statuslines;
1.55 nicm 818: else
819: top = 0;
820: for (j = 0; j < wp->sy; j++) {
821: if (wp->yoff + j < ctx->oy || wp->yoff + j >= ctx->oy + ctx->sy)
822: continue;
823: y = top + wp->yoff + j - ctx->oy;
824:
825: if (wp->xoff >= ctx->ox &&
826: wp->xoff + wp->sx <= ctx->ox + ctx->sx) {
827: /* All visible. */
828: i = 0;
829: x = wp->xoff - ctx->ox;
830: width = wp->sx;
831: } else if (wp->xoff < ctx->ox &&
832: wp->xoff + wp->sx > ctx->ox + ctx->sx) {
833: /* Both left and right not visible. */
834: i = ctx->ox;
835: x = 0;
836: width = ctx->sx;
837: } else if (wp->xoff < ctx->ox) {
838: /* Left not visible. */
839: i = ctx->ox - wp->xoff;
840: x = 0;
841: width = wp->sx - i;
842: } else {
843: /* Right not visible. */
844: i = 0;
845: x = wp->xoff - ctx->ox;
846: width = ctx->sx - x;
847: }
848: log_debug("%s: %s %%%u line %u,%u at %u,%u, width %u",
849: __func__, c->name, wp->id, i, j, x, y, width);
850:
1.76 nicm 851: tty_default_colours(&defaults, wp);
1.87 nicm 852: tty_draw_line(tty, s, i, j, width, x, y, &defaults, palette);
1.55 nicm 853: }
1.1 nicm 854: }
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