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comparison ui.c @ 585:199fd3371035

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Improve screen update economy by only refreshing when needed.
author Matti Hamalainen <ccr@tnsp.org>
date Sun, 07 Jul 2013 02:08:46 +0300
parents 97a49a6cc959
children 2c6945599b16
comparison
equal deleted inserted replaced
584:6d23385c0643 585:199fd3371035
330 330
331 331
332 void nnwin_update(BOOL force, BOOL mask, nn_editbuf_t *ebuf, char *username, int usercolor) 332 void nnwin_update(BOOL force, BOOL mask, nn_editbuf_t *ebuf, char *username, int usercolor)
333 { 333 {
334 int sx, sy; 334 int sx, sy;
335 335 BOOL changed = FALSE;
336 // Save cursor position
337 getyx(stdscr, sy, sx);
338 336
339 // Clear screen if forced or main or editbuf are dirty 337 // Clear screen if forced or main or editbuf are dirty
340 if (force || (currWin != NULL && currWin->dirty) || (ebuf != NULL && ebuf->dirty)) 338 if (force || (currWin != NULL && currWin->dirty) || (ebuf != NULL && ebuf->dirty))
341 { 339 {
340 // Save cursor position
341 getyx(stdscr, sy, sx);
342
342 wattrset(stdscr, A_NORMAL); 343 wattrset(stdscr, A_NORMAL);
343 wbkgdset(stdscr, COLOR_PAIR(0)); 344 wbkgdset(stdscr, COLOR_PAIR(0));
344 werase(stdscr); 345 werase(stdscr);
345 force = TRUE; 346 force = TRUE;
347 changed = TRUE;
348 }
349 else
350 {
351 // Save cursor position
352 getyx(stdscr, sy, sx);
346 } 353 }
347 354
348 // Check if update is forced or if the window is dirty 355 // Check if update is forced or if the window is dirty
349 if (currWin != NULL && (force || currWin->dirty)) 356 if (currWin != NULL && (force || currWin->dirty))
350 { 357 {
351 int y, offs; 358 int y, offs;
352 qringbuf_t *buf = currWin->data; 359 qringbuf_t *buf = currWin->data;
360
361 changed = TRUE;
353 362
354 for (y = scrHeight - 4, offs = buf->size - 1 - currWin->pos; offs >= 0 && y > 0; offs--) 363 for (y = scrHeight - 4, offs = buf->size - 1 - currWin->pos; offs >= 0 && y > 0; offs--)
355 { 364 {
356 nn_line_t *line = (nn_line_t *) buf->data[offs]; 365 nn_line_t *line = (nn_line_t *) buf->data[offs];
357 if (line != NULL) 366 if (line != NULL)
387 396
388 currWin->dirty = FALSE; 397 currWin->dirty = FALSE;
389 } 398 }
390 399
391 // Update statusline 400 // Update statusline
401 if (changed || force)
392 { 402 {
393 char tmpStamp[32], tmpStr[128]; 403 char tmpStamp[32], tmpStr[128];
394 int i; 404 int i;
395 405
396 str_get_timestamp(tmpStamp, sizeof(tmpStamp), "%H:%M:%S"); 406 str_get_timestamp(tmpStamp, sizeof(tmpStamp), "%H:%M:%S");
426 { 436 {
427 snprintf(tmpStr, sizeof(tmpStr), "%d ", i + 1); 437 snprintf(tmpStr, sizeof(tmpStr), "%d ", i + 1);
428 waddstr(stdscr, tmpStr); 438 waddstr(stdscr, tmpStr);
429 } 439 }
430 } 440 }
431 } 441
432 442 // Restore cursor position
433 // Restore cursor position 443 wmove(stdscr, sy, sx);
434 wmove(stdscr, sy, sx); 444 }
435 445
436 // Update editbuf if needed 446 // Update editbuf if needed
437 if (appCursesInit && ebuf != NULL && (force || ebuf->dirty)) 447 if (ebuf != NULL && (force || ebuf->dirty))
438 { 448 {
439 int yoffs = ebuf->pos / scrWidth, 449 int yoffs = ebuf->pos / scrWidth,
440 xoffs = ebuf->pos % scrWidth; 450 xoffs = ebuf->pos % scrWidth;
441 451
442 wmove(stdscr, scrHeight - 3, 0); 452 wmove(stdscr, scrHeight - 3, 0);
458 waddnstr(stdscr, tmp, ebuf->len); 468 waddnstr(stdscr, tmp, ebuf->len);
459 th_free(tmp); 469 th_free(tmp);
460 } 470 }
461 wmove(stdscr, scrHeight - 3 + yoffs, xoffs); 471 wmove(stdscr, scrHeight - 3 + yoffs, xoffs);
462 472
463 } 473 changed = TRUE;
464 474 }
465 wrefresh(stdscr); 475
476 if (changed)
477 wrefresh(stdscr);
466 } 478 }
467 479
468 480
469 void nnwin_input_process(nn_editbuf_t *editBuf, nn_editstate_t *editState, 481 void nnwin_input_process(nn_editbuf_t *editBuf, nn_editstate_t *editState,
470 BOOL (*callback)(int, nn_editbuf_t *, nn_editstate_t *)) 482 BOOL (*callback)(int, nn_editbuf_t *, nn_editstate_t *))