Annotation of src/usr.bin/tmux/screen-redraw.c, Revision 1.61
1.61 ! nicm 1: /* $OpenBSD: screen-redraw.c,v 1.60 2019/04/17 14:41:08 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 *);
1.1 nicm 31:
1.6 nicm 32: #define CELL_INSIDE 0
1.7 nicm 33: #define CELL_LEFTRIGHT 1
34: #define CELL_TOPBOTTOM 2
35: #define CELL_TOPLEFT 3
36: #define CELL_TOPRIGHT 4
37: #define CELL_BOTTOMLEFT 5
38: #define CELL_BOTTOMRIGHT 6
39: #define CELL_TOPJOIN 7
40: #define CELL_BOTTOMJOIN 8
41: #define CELL_LEFTJOIN 9
42: #define CELL_RIGHTJOIN 10
43: #define CELL_JOIN 11
44: #define CELL_OUTSIDE 12
1.6 nicm 45:
1.17 nicm 46: #define CELL_BORDERS " xqlkmjwvtun~"
47:
1.36 nicm 48: #define CELL_STATUS_OFF 0
49: #define CELL_STATUS_TOP 1
50: #define CELL_STATUS_BOTTOM 2
51:
1.15 nicm 52: /* Check if cell is on the border of a particular pane. */
1.39 nicm 53: static int
1.15 nicm 54: screen_redraw_cell_border1(struct window_pane *wp, u_int px, u_int py)
55: {
56: /* Inside pane. */
57: if (px >= wp->xoff && px < wp->xoff + wp->sx &&
58: py >= wp->yoff && py < wp->yoff + wp->sy)
59: return (0);
60:
61: /* Left/right borders. */
62: if ((wp->yoff == 0 || py >= wp->yoff - 1) && py <= wp->yoff + wp->sy) {
63: if (wp->xoff != 0 && px == wp->xoff - 1)
64: return (1);
65: if (px == wp->xoff + wp->sx)
1.36 nicm 66: return (2);
1.15 nicm 67: }
68:
69: /* Top/bottom borders. */
70: if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= wp->xoff + wp->sx) {
71: if (wp->yoff != 0 && py == wp->yoff - 1)
1.36 nicm 72: return (3);
1.15 nicm 73: if (py == wp->yoff + wp->sy)
1.36 nicm 74: return (4);
1.15 nicm 75: }
76:
77: /* Outside pane. */
78: return (-1);
79: }
80:
1.7 nicm 81: /* Check if a cell is on the pane border. */
1.39 nicm 82: static int
1.7 nicm 83: screen_redraw_cell_border(struct client *c, u_int px, u_int py)
1.1 nicm 84: {
85: struct window *w = c->session->curw->window;
86: struct window_pane *wp;
1.15 nicm 87: int retval;
1.1 nicm 88:
1.7 nicm 89: /* Check all the panes. */
1.1 nicm 90: TAILQ_FOREACH(wp, &w->panes, entry) {
1.3 nicm 91: if (!window_pane_visible(wp))
92: continue;
1.15 nicm 93: if ((retval = screen_redraw_cell_border1(wp, px, py)) != -1)
1.36 nicm 94: return (!!retval);
1.7 nicm 95: }
96:
97: return (0);
98: }
99:
100: /* Check if cell inside a pane. */
1.39 nicm 101: static int
1.36 nicm 102: screen_redraw_check_cell(struct client *c, u_int px, u_int py, int pane_status,
1.24 nicm 103: struct window_pane **wpp)
1.7 nicm 104: {
105: struct window *w = c->session->curw->window;
106: struct window_pane *wp;
107: int borders;
1.36 nicm 108: u_int right, line;
1.7 nicm 109:
1.39 nicm 110: *wpp = NULL;
111:
1.7 nicm 112: if (px > w->sx || py > w->sy)
113: return (CELL_OUTSIDE);
114:
1.36 nicm 115: if (pane_status != CELL_STATUS_OFF) {
116: TAILQ_FOREACH(wp, &w->panes, entry) {
117: if (!window_pane_visible(wp))
118: continue;
119:
120: if (pane_status == CELL_STATUS_TOP)
121: line = wp->yoff - 1;
122: else
123: line = wp->yoff + wp->sy;
124: right = wp->xoff + 2 + wp->status_size - 1;
125:
126: if (py == line && px >= wp->xoff + 2 && px <= right)
127: return (CELL_INSIDE);
128: }
129: }
130:
1.7 nicm 131: TAILQ_FOREACH(wp, &w->panes, entry) {
132: if (!window_pane_visible(wp))
133: continue;
1.24 nicm 134: *wpp = wp;
1.7 nicm 135:
136: /* If outside the pane and its border, skip it. */
137: if ((wp->xoff != 0 && px < wp->xoff - 1) ||
138: px > wp->xoff + wp->sx ||
139: (wp->yoff != 0 && py < wp->yoff - 1) ||
140: py > wp->yoff + wp->sy)
141: continue;
142:
143: /* If definitely inside, return so. */
144: if (!screen_redraw_cell_border(c, px, py))
145: return (CELL_INSIDE);
146:
1.14 nicm 147: /*
1.7 nicm 148: * Construct a bitmask of whether the cells to the left (bit
149: * 4), right, top, and bottom (bit 1) of this cell are borders.
150: */
151: borders = 0;
152: if (px == 0 || screen_redraw_cell_border(c, px - 1, py))
153: borders |= 8;
154: if (px <= w->sx && screen_redraw_cell_border(c, px + 1, py))
155: borders |= 4;
1.36 nicm 156: if (pane_status == CELL_STATUS_TOP) {
157: if (py != 0 && screen_redraw_cell_border(c, px, py - 1))
158: borders |= 2;
159: } else {
160: if (py == 0 || screen_redraw_cell_border(c, px, py - 1))
161: borders |= 2;
162: }
1.7 nicm 163: if (py <= w->sy && screen_redraw_cell_border(c, px, py + 1))
164: borders |= 1;
165:
1.14 nicm 166: /*
1.7 nicm 167: * Figure out what kind of border this cell is. Only one bit
168: * set doesn't make sense (can't have a border cell with no
169: * others connected).
170: */
171: switch (borders) {
172: case 15: /* 1111, left right top bottom */
173: return (CELL_JOIN);
174: case 14: /* 1110, left right top */
175: return (CELL_BOTTOMJOIN);
176: case 13: /* 1101, left right bottom */
177: return (CELL_TOPJOIN);
178: case 12: /* 1100, left right */
179: return (CELL_TOPBOTTOM);
180: case 11: /* 1011, left top bottom */
181: return (CELL_RIGHTJOIN);
182: case 10: /* 1010, left top */
183: return (CELL_BOTTOMRIGHT);
184: case 9: /* 1001, left bottom */
185: return (CELL_TOPRIGHT);
186: case 7: /* 0111, right top bottom */
187: return (CELL_LEFTJOIN);
188: case 6: /* 0110, right top */
189: return (CELL_BOTTOMLEFT);
190: case 5: /* 0101, right bottom */
191: return (CELL_TOPLEFT);
192: case 3: /* 0011, top bottom */
193: return (CELL_LEFTRIGHT);
1.1 nicm 194: }
195: }
196:
1.6 nicm 197: return (CELL_OUTSIDE);
1.1 nicm 198: }
199:
1.32 nicm 200: /* Check if the border of a particular pane. */
1.39 nicm 201: static int
1.36 nicm 202: screen_redraw_check_is(u_int px, u_int py, int type, int pane_status,
203: struct window *w, struct window_pane *wantwp, struct window_pane *wp)
1.24 nicm 204: {
1.36 nicm 205: int border;
206:
1.24 nicm 207: /* Is this off the active pane border? */
1.36 nicm 208: border = screen_redraw_cell_border1(wantwp, px, py);
209: if (border == 0 || border == -1)
210: return (0);
211: if (pane_status == CELL_STATUS_TOP && border == 4)
212: return (0);
213: if (pane_status == CELL_STATUS_BOTTOM && border == 3)
1.24 nicm 214: return (0);
215:
216: /* If there are more than two panes, that's enough. */
217: if (window_count_panes(w) != 2)
218: return (1);
219:
220: /* Else if the cell is not a border cell, forget it. */
221: if (wp == NULL || (type == CELL_OUTSIDE || type == CELL_INSIDE))
222: return (1);
223:
1.36 nicm 224: /* With status lines mark the entire line. */
225: if (pane_status != CELL_STATUS_OFF)
226: return (1);
227:
1.24 nicm 228: /* Check if the pane covers the whole width. */
229: if (wp->xoff == 0 && wp->sx == w->sx) {
230: /* This can either be the top pane or the bottom pane. */
231: if (wp->yoff == 0) { /* top pane */
1.32 nicm 232: if (wp == wantwp)
1.24 nicm 233: return (px <= wp->sx / 2);
234: return (px > wp->sx / 2);
235: }
236: return (0);
237: }
238:
239: /* Check if the pane covers the whole height. */
240: if (wp->yoff == 0 && wp->sy == w->sy) {
241: /* This can either be the left pane or the right pane. */
242: if (wp->xoff == 0) { /* left pane */
1.32 nicm 243: if (wp == wantwp)
1.24 nicm 244: return (py <= wp->sy / 2);
245: return (py > wp->sy / 2);
246: }
247: return (0);
248: }
249:
1.36 nicm 250: return (1);
251: }
252:
253: /* Update pane status. */
1.39 nicm 254: static int
1.36 nicm 255: screen_redraw_make_pane_status(struct client *c, struct window *w,
256: struct window_pane *wp)
257: {
258: struct grid_cell gc;
259: const char *fmt;
260: struct format_tree *ft;
1.59 nicm 261: char *expanded;
262: u_int width, i;
1.36 nicm 263: struct screen_write_ctx ctx;
1.40 nicm 264: struct screen old;
1.36 nicm 265:
266: if (wp == w->active)
267: style_apply(&gc, w->options, "pane-active-border-style");
268: else
269: style_apply(&gc, w->options, "pane-border-style");
270:
271: fmt = options_get_string(w->options, "pane-border-format");
272:
1.46 nicm 273: ft = format_create(c, NULL, FORMAT_PANE|wp->id, 0);
1.36 nicm 274: format_defaults(ft, c, NULL, NULL, wp);
275:
1.59 nicm 276: expanded = format_expand_time(ft, fmt);
1.60 nicm 277: if (wp->sx < 4)
278: wp->status_size = width = 0;
279: else
280: wp->status_size = width = wp->sx - 4;
1.59 nicm 281:
1.40 nicm 282: memcpy(&old, &wp->status_screen, sizeof old);
1.59 nicm 283: screen_init(&wp->status_screen, width, 1, 0);
1.36 nicm 284: wp->status_screen.mode = 0;
285:
1.59 nicm 286: screen_write_start(&ctx, NULL, &wp->status_screen);
287:
288: gc.attr |= GRID_ATTR_CHARSET;
289: for (i = 0; i < width; i++)
290: screen_write_putc(&ctx, &gc, 'q');
291: gc.attr &= ~GRID_ATTR_CHARSET;
1.36 nicm 292:
1.56 nicm 293: screen_write_cursormove(&ctx, 0, 0, 0);
1.59 nicm 294: format_draw(&ctx, &gc, width, expanded, NULL);
1.36 nicm 295: screen_write_stop(&ctx);
296:
1.59 nicm 297: free(expanded);
1.36 nicm 298: format_free(ft);
1.40 nicm 299:
300: if (grid_compare(wp->status_screen.grid, old.grid) == 0) {
301: screen_free(&old);
302: return (0);
303: }
304: screen_free(&old);
305: return (1);
1.36 nicm 306: }
307:
308: /* Draw pane status. */
1.39 nicm 309: static void
1.52 nicm 310: screen_redraw_draw_pane_status(struct screen_redraw_ctx *ctx)
1.36 nicm 311: {
1.53 nicm 312: struct client *c = ctx->c;
1.36 nicm 313: struct window *w = c->session->curw->window;
314: struct tty *tty = &c->tty;
315: struct window_pane *wp;
1.55 nicm 316: struct screen *s;
317: u_int i, x, width, xoff, yoff, size;
318:
319: log_debug("%s: %s @%u", __func__, c->name, w->id);
1.36 nicm 320:
321: TAILQ_FOREACH(wp, &w->panes, entry) {
1.40 nicm 322: if (!window_pane_visible(wp))
323: continue;
1.55 nicm 324: s = &wp->status_screen;
325:
326: size = wp->status_size;
1.52 nicm 327: if (ctx->pane_status == CELL_STATUS_TOP)
1.36 nicm 328: yoff = wp->yoff - 1;
329: else
330: yoff = wp->yoff + wp->sy;
1.55 nicm 331: xoff = wp->xoff + 2;
332:
333: if (xoff + size <= ctx->ox ||
334: xoff >= ctx->ox + ctx->sx ||
335: yoff < ctx->oy ||
336: yoff >= ctx->oy + ctx->sy)
337: continue;
338:
339: if (xoff >= ctx->ox && xoff + size <= ctx->ox + ctx->sx) {
340: /* All visible. */
341: i = 0;
342: x = xoff - ctx->ox;
343: width = size;
344: } else if (xoff < ctx->ox && xoff + size > ctx->ox + ctx->sx) {
345: /* Both left and right not visible. */
346: i = ctx->ox;
347: x = 0;
348: width = ctx->sx;
349: } else if (xoff < ctx->ox) {
350: /* Left not visible. */
351: i = ctx->ox - xoff;
352: x = 0;
353: width = size - i;
354: } else {
355: /* Right not visible. */
356: i = 0;
357: x = xoff - ctx->ox;
358: width = size - x;
359: }
1.36 nicm 360:
1.61 ! nicm 361: if (ctx->statustop)
! 362: yoff += ctx->statuslines;
1.55 nicm 363: tty_draw_line(tty, NULL, s, i, 0, width, x, yoff - ctx->oy);
1.36 nicm 364: }
365: tty_cursor(tty, 0, 0);
1.24 nicm 366: }
367:
1.38 nicm 368: /* Update status line and change flags if unchanged. */
1.54 nicm 369: static int
370: screen_redraw_update(struct client *c, int flags)
1.38 nicm 371: {
372: struct window *w = c->session->curw->window;
373: struct window_pane *wp;
374: struct options *wo = w->options;
375: int redraw;
376:
377: if (c->message_string != NULL)
378: redraw = status_message_redraw(c);
379: else if (c->prompt_string != NULL)
380: redraw = status_prompt_redraw(c);
381: else
382: redraw = status_redraw(c);
1.54 nicm 383: if (!redraw && (~flags & CLIENT_REDRAWSTATUSALWAYS))
384: flags &= ~CLIENT_REDRAWSTATUS;
1.38 nicm 385:
386: if (options_get_number(wo, "pane-border-status") != CELL_STATUS_OFF) {
387: redraw = 0;
388: TAILQ_FOREACH(wp, &w->panes, entry) {
389: if (screen_redraw_make_pane_status(c, w, wp))
390: redraw = 1;
391: }
392: if (redraw)
1.54 nicm 393: flags |= CLIENT_REDRAWBORDERS;
1.38 nicm 394: }
1.54 nicm 395: return (flags);
1.38 nicm 396: }
397:
1.52 nicm 398: /* Set up redraw context. */
399: static void
400: screen_redraw_set_context(struct client *c, struct screen_redraw_ctx *ctx)
401: {
1.53 nicm 402: struct session *s = c->session;
403: struct options *oo = s->options;
404: struct window *w = s->curw->window;
405: struct options *wo = w->options;
1.61 ! nicm 406: u_int lines;
1.52 nicm 407:
408: memset(ctx, 0, sizeof *ctx);
409: ctx->c = c;
410:
1.61 ! nicm 411: lines = status_line_size(c);
1.55 nicm 412: if (c->message_string != NULL || c->prompt_string != NULL)
1.61 ! nicm 413: lines = (lines == 0) ? 1 : lines;
! 414: if (lines != 0 && options_get_number(oo, "status-position") == 0)
! 415: ctx->statustop = 1;
! 416: ctx->statuslines = lines;
! 417:
1.52 nicm 418: ctx->pane_status = options_get_number(wo, "pane-border-status");
419:
1.55 nicm 420: tty_window_offset(&c->tty, &ctx->ox, &ctx->oy, &ctx->sx, &ctx->sy);
421:
422: log_debug("%s: %s @%u ox=%u oy=%u sx=%u sy=%u %u/%d", __func__, c->name,
1.61 ! nicm 423: w->id, ctx->ox, ctx->oy, ctx->sx, ctx->sy, ctx->statuslines,
! 424: ctx->statustop);
1.52 nicm 425: }
426:
1.4 nicm 427: /* Redraw entire screen. */
1.1 nicm 428: void
1.53 nicm 429: screen_redraw_screen(struct client *c)
1.1 nicm 430: {
1.53 nicm 431: struct screen_redraw_ctx ctx;
1.54 nicm 432: int flags;
1.18 nicm 433:
434: if (c->flags & CLIENT_SUSPENDED)
435: return;
1.1 nicm 436:
1.54 nicm 437: flags = screen_redraw_update(c, c->flags);
1.52 nicm 438: screen_redraw_set_context(c, &ctx);
1.51 nicm 439:
1.54 nicm 440: if (flags & (CLIENT_REDRAWWINDOW|CLIENT_REDRAWBORDERS)) {
1.53 nicm 441: if (ctx.pane_status != CELL_STATUS_OFF)
442: screen_redraw_draw_pane_status(&ctx);
1.50 nicm 443: screen_redraw_draw_borders(&ctx);
1.53 nicm 444: }
1.54 nicm 445: if (flags & CLIENT_REDRAWWINDOW)
1.50 nicm 446: screen_redraw_draw_panes(&ctx);
1.61 ! nicm 447: if (ctx.statuslines != 0 &&
1.54 nicm 448: (flags & (CLIENT_REDRAWSTATUS|CLIENT_REDRAWSTATUSALWAYS)))
1.50 nicm 449: screen_redraw_draw_status(&ctx);
1.61 ! nicm 450: if (c->overlay_draw != NULL)
! 451: c->overlay_draw(c, &ctx);
1.52 nicm 452: tty_reset(&c->tty);
1.26 nicm 453: }
1.4 nicm 454:
1.55 nicm 455: /* Redraw a single pane. */
1.26 nicm 456: void
457: screen_redraw_pane(struct client *c, struct window_pane *wp)
458: {
1.55 nicm 459: struct screen_redraw_ctx ctx;
1.26 nicm 460:
461: if (!window_pane_visible(wp))
1.4 nicm 462: return;
1.1 nicm 463:
1.55 nicm 464: screen_redraw_set_context(c, &ctx);
1.26 nicm 465:
1.55 nicm 466: screen_redraw_draw_pane(&ctx, wp);
1.26 nicm 467: tty_reset(&c->tty);
468: }
469:
1.50 nicm 470: /* Draw a border cell. */
471: static void
1.55 nicm 472: screen_redraw_draw_borders_cell(struct screen_redraw_ctx *ctx, u_int i, u_int j,
473: struct grid_cell *m_active_gc, struct grid_cell *active_gc,
474: struct grid_cell *m_other_gc, struct grid_cell *other_gc)
1.50 nicm 475: {
1.53 nicm 476: struct client *c = ctx->c;
477: struct session *s = c->session;
478: struct window *w = s->curw->window;
479: struct tty *tty = &c->tty;
480: struct window_pane *wp;
481: struct window_pane *active = w->active;
482: struct window_pane *marked = marked_pane.wp;
1.55 nicm 483: u_int type, x = ctx->ox + i, y = ctx->oy + j;
1.53 nicm 484: int flag, pane_status = ctx->pane_status;
1.50 nicm 485:
486: type = screen_redraw_check_cell(c, x, y, pane_status, &wp);
487: if (type == CELL_INSIDE)
488: return;
489: flag = screen_redraw_check_is(x, y, type, pane_status, w, active, wp);
490:
491: if (server_is_marked(s, s->curw, marked_pane.wp) &&
492: screen_redraw_check_is(x, y, type, pane_status, w, marked, wp)) {
493: if (flag)
494: tty_attributes(tty, m_active_gc, NULL);
495: else
496: tty_attributes(tty, m_other_gc, NULL);
497: } else if (flag)
498: tty_attributes(tty, active_gc, NULL);
499: else
500: tty_attributes(tty, other_gc, NULL);
1.61 ! nicm 501: if (ctx->statustop)
! 502: tty_cursor(tty, i, ctx->statuslines + j);
1.50 nicm 503: else
1.55 nicm 504: tty_cursor(tty, i, j);
1.50 nicm 505: tty_putc(tty, CELL_BORDERS[type]);
506: }
507:
1.26 nicm 508: /* Draw the borders. */
1.39 nicm 509: static void
1.50 nicm 510: screen_redraw_draw_borders(struct screen_redraw_ctx *ctx)
1.26 nicm 511: {
1.50 nicm 512: struct client *c = ctx->c;
1.32 nicm 513: struct session *s = c->session;
514: struct window *w = s->curw->window;
1.55 nicm 515: struct tty *tty = &c->tty;
1.33 nicm 516: struct options *oo = w->options;
1.32 nicm 517: struct grid_cell m_active_gc, active_gc, m_other_gc, other_gc;
1.55 nicm 518: u_int i, j;
519:
520: log_debug("%s: %s @%u", __func__, c->name, w->id);
1.26 nicm 521:
1.25 nicm 522: style_apply(&other_gc, oo, "pane-border-style");
523: style_apply(&active_gc, oo, "pane-active-border-style");
1.26 nicm 524: active_gc.attr = other_gc.attr = GRID_ATTR_CHARSET;
1.15 nicm 525:
1.32 nicm 526: memcpy(&m_other_gc, &other_gc, sizeof m_other_gc);
527: m_other_gc.attr ^= GRID_ATTR_REVERSE;
528: memcpy(&m_active_gc, &active_gc, sizeof m_active_gc);
529: m_active_gc.attr ^= GRID_ATTR_REVERSE;
530:
1.61 ! nicm 531: for (j = 0; j < tty->sy - ctx->statuslines; j++) {
1.55 nicm 532: for (i = 0; i < tty->sx; i++) {
533: screen_redraw_draw_borders_cell(ctx, i, j,
534: &m_active_gc, &active_gc, &m_other_gc, &other_gc);
1.1 nicm 535: }
1.28 nicm 536: }
1.26 nicm 537: }
1.1 nicm 538:
1.26 nicm 539: /* Draw the panes. */
1.39 nicm 540: static void
1.50 nicm 541: screen_redraw_draw_panes(struct screen_redraw_ctx *ctx)
1.26 nicm 542: {
1.50 nicm 543: struct client *c = ctx->c;
1.26 nicm 544: struct window *w = c->session->curw->window;
545: struct window_pane *wp;
1.47 nicm 546:
1.55 nicm 547: log_debug("%s: %s @%u", __func__, c->name, w->id);
548:
1.1 nicm 549: TAILQ_FOREACH(wp, &w->panes, entry) {
1.61 ! nicm 550: if (window_pane_visible(wp))
! 551: screen_redraw_draw_pane(ctx, wp);
1.1 nicm 552: }
553: }
554:
1.26 nicm 555: /* Draw the status line. */
1.39 nicm 556: static void
1.50 nicm 557: screen_redraw_draw_status(struct screen_redraw_ctx *ctx)
1.1 nicm 558: {
1.50 nicm 559: struct client *c = ctx->c;
1.55 nicm 560: struct window *w = c->session->curw->window;
1.26 nicm 561: struct tty *tty = &c->tty;
1.58 nicm 562: struct screen *s = c->status.active;
1.47 nicm 563: u_int i, y;
1.23 nicm 564:
1.55 nicm 565: log_debug("%s: %s @%u", __func__, c->name, w->id);
566:
1.61 ! nicm 567: if (ctx->statustop)
1.47 nicm 568: y = 0;
1.26 nicm 569: else
1.61 ! nicm 570: y = c->tty.sy - ctx->statuslines;
! 571: for (i = 0; i < ctx->statuslines; i++)
1.55 nicm 572: tty_draw_line(tty, NULL, s, 0, i, UINT_MAX, 0, y + i);
573: }
574:
575: /* Draw one pane. */
576: static void
577: screen_redraw_draw_pane(struct screen_redraw_ctx *ctx, struct window_pane *wp)
578: {
579: struct client *c = ctx->c;
580: struct window *w = c->session->curw->window;
581: struct tty *tty = &c->tty;
582: struct screen *s;
583: u_int i, j, top, x, y, width;
584:
585: log_debug("%s: %s @%u %%%u", __func__, c->name, w->id, wp->id);
586:
587: if (wp->xoff + wp->sx <= ctx->ox || wp->xoff >= ctx->ox + ctx->sx)
588: return;
1.61 ! nicm 589: if (ctx->statustop)
! 590: top = ctx->statuslines;
1.55 nicm 591: else
592: top = 0;
593:
594: s = wp->screen;
595: for (j = 0; j < wp->sy; j++) {
596: if (wp->yoff + j < ctx->oy || wp->yoff + j >= ctx->oy + ctx->sy)
597: continue;
598: y = top + wp->yoff + j - ctx->oy;
599:
600: if (wp->xoff >= ctx->ox &&
601: wp->xoff + wp->sx <= ctx->ox + ctx->sx) {
602: /* All visible. */
603: i = 0;
604: x = wp->xoff - ctx->ox;
605: width = wp->sx;
606: } else if (wp->xoff < ctx->ox &&
607: wp->xoff + wp->sx > ctx->ox + ctx->sx) {
608: /* Both left and right not visible. */
609: i = ctx->ox;
610: x = 0;
611: width = ctx->sx;
612: } else if (wp->xoff < ctx->ox) {
613: /* Left not visible. */
614: i = ctx->ox - wp->xoff;
615: x = 0;
616: width = wp->sx - i;
617: } else {
618: /* Right not visible. */
619: i = 0;
620: x = wp->xoff - ctx->ox;
621: width = ctx->sx - x;
622: }
623: log_debug("%s: %s %%%u line %u,%u at %u,%u, width %u",
624: __func__, c->name, wp->id, i, j, x, y, width);
625:
626: tty_draw_line(tty, wp, s, i, j, width, x, y);
627: }
1.1 nicm 628: }
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