texinfo/info/window.c

1 /* window.c -- windows in Info.
36 /* The list of windows in Info. */
37 WINDOW *windows = NULL;
58   windows = xmalloc (sizeof (WINDOW));
59   active_window = windows;
65   /* None of these windows has a goal column yet. */
70   /* The active and echo_area windows are visible.
87   /* The echo area uses a different keymap than normal info windows. */
96    after deleting the window from our chain of windows.  If DELETER is NULL,
121   /* Find out how many windows will change. */
122   for (numwins = 0, win = windows; win; win = win->next, numwins++);
124   /* See if some windows will need to be deleted.  This is the case if
126      the number of windows is less than WINDOW_MIN_SIZE.  In that case,
127      delete some windows and try again until there is either enough
128      space to divy up among the windows, or until there is only one
134       if (!windows->next)
136           windows->height = 0;
137           maybe_free (windows->line_starts);
138           windows->line_starts = NULL;
139           windows->line_count = 0;
143       /* If we have some temporary windows, delete one of them. */
144       for (win = windows; win; win = win->next)
150         win = windows;
169   if ((!windows->next) && ((windows->height == 0) && (delta_height < 0)))
172   /* Divide the change in height among the available windows. */
180   for (win = windows; win; win = win->next)
215   /* If the screen got smaller, check over the windows just shrunk to
216      keep them within bounds.  Some of the windows may have gotten smaller
217      than WINDOW_MIN_HEIGHT in which case some of the other windows are
220      windows. */
221   if ((delta_each < 0) && ((windows->height != 0) && windows->next))
226       win = windows;
235               /* Split the space among the available windows. */
239               for (win = windows; win; win = win->next)
302   /* Readjust the new and old windows so that their modelines and contents
326     windows = window;
374    the previous and next windows in the chain.  If there is only one user
383   if (!windows->next || amount == 0)
387   for (win = windows; win; win = win->next)
412       /* If we have two neighboring windows, choose the smaller one to get
444       /* If there aren't two neighboring windows, or if one of the neighbors
503 /* Tile all of the windows currently displayed in the global variable
504    WINDOWS.  If argument STYLE is TILE_INTERNALS, tile windows displaying
506    windows. */
517   for (win = windows; win; win = win->next)
529      of the screen by the number of windows. */
534   for (win = windows; win; win = win->next)
548   for (win = windows; win; win = win->next)
609 /* Delete WINDOW from the list of known windows.  If this window was the
629     windows = next;
659     window_to_fix = windows;
909 /* Global variable control redisplay of scrolled windows.  If non-zero, it
1084   /* Only make modelines for those windows which have one. */
1155     /* Special internal windows have no filename. */