basetop.cc 1.9 KB

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  1. /*
  2. * dselect - Debian package maintenance user interface
  3. * bdrawtop.cc - base list class redraw of top
  4. *
  5. * Copyright (C) 1994,1995 Ian Jackson <ian@chiark.greenend.org.uk>
  6. *
  7. * This is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as
  9. * published by the Free Software Foundation; either version 2,
  10. * or (at your option) any later version.
  11. *
  12. * This is distributed in the hope that it will be useful, but
  13. * WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public
  18. * License along with this; if not, write to the Free Software
  19. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20. */
  21. extern "C" {
  22. #include <config.h>
  23. }
  24. #include <stdio.h>
  25. #include <string.h>
  26. #include <assert.h>
  27. #include <ctype.h>
  28. extern "C" {
  29. #include <dpkg.h>
  30. #include <dpkg-db.h>
  31. }
  32. #include "dselect.h"
  33. void baselist::refreshlist() {
  34. redrawitemsrange(topofscreen,lesserint(nitems,topofscreen+list_height));
  35. int y, x, maxy, maxx;
  36. y= lesserint(list_row + list_height - 1,
  37. list_row + nitems - topofscreen - 1);
  38. x= lesserint(total_width - leftofscreen - 1,
  39. xmax - 1);
  40. pnoutrefresh(listpad, topofscreen,leftofscreen, list_row,0, y,x);
  41. getmaxyx(listpad,maxy,maxx);
  42. y++;
  43. while (y < list_row + list_height - 1) {
  44. pnoutrefresh(listpad, maxy-1,leftofscreen, y,0, y,x);
  45. y++;
  46. }
  47. }
  48. void baselist::redrawitemsrange(int start, int end) {
  49. if (ldrawnstart==-1) { ldrawnstart= ldrawnend= end; }
  50. while (ldrawnstart > start) { ldrawnstart--; redraw1item(ldrawnstart); }
  51. while (ldrawnend < end) { redraw1item(ldrawnend); ldrawnend++; }
  52. }
  53. void baselist::refreshcolheads() {
  54. pnoutrefresh(colheadspad, 0,leftofscreen, colheads_row,0,
  55. colheads_row, lesserint(total_width - leftofscreen - 1, xmax - 1));
  56. }