dist/info/display.c

1 /*	$NetBSD: display.c,v 1.1.1.1 2016/01/14 00:11:29 christos Exp $	*/
3 /* display.c -- How to display Info windows.
4    Id: display.c,v 1.7 2004/04/11 17:56:45 karl Exp
25 #include "display.h"
29 static void free_display (DISPLAY_LINE **display);
36 /* An array of display lines which tell us what is currently visible on
37    the display.  */
54 display_clear_display (DISPLAY_LINE **display)
58   for (i = 0; display[i]; i++)
60       display[i]->text[0] = '\0';
61       display[i]->textlen = 0;
62       display[i]->inverse = 0;
78   /* For every window in the list, check contents against the display. */
81       /* Only re-display visible windows which need updating. */
127   register char *nodetext;      /* Current character to display. */
135   DISPLAY_LINE **display = the_display;
137   /* If display is inhibited, that counts as an interrupted display. */
141   /* If the window has no height, or display is inhibited, quit now. */
153      check the contents of that buffer against the display.  If they
154      differ, update the display. */
297           entry = display[line_index + win->first_row];
340               /* Update the display text buffer. */
363              now, instead of continuing with the display. */
404       DISPLAY_LINE *entry = display[line_index + win->first_row];
418      Check the window's modeline against the one in the display, and update
425       /* This display line must both be in inverse, and have the same
427       if ((!display[line_index]->inverse) ||
428           (strcmp (display[line_index]->text, win->modeline) != 0))
434           strcpy (display[line_index]->text, win->modeline);
435           display[line_index]->inverse = 1;
436           display[line_index]->textlen = strlen (win->modeline);
474   /* Now do it in the display buffer so our contents match the screen. */
618   DISPLAY_LINE **display;
620   display = (DISPLAY_LINE **)xmalloc ((1 + height) * sizeof (DISPLAY_LINE *));
624       display[i] = (DISPLAY_LINE *)xmalloc (sizeof (DISPLAY_LINE));
625       display[i]->text = (char *)xmalloc (1 + width);
626       display[i]->textlen = 0;
627       display[i]->inverse = 0;
629   display[i] = (DISPLAY_LINE *)NULL;
630   return (display);
635 free_display (DISPLAY_LINE **display)
640   if (!display)
643   for (i = 0; (display_line = display[i]); i++)
648   free (display);