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Factor out app_fitting_items()

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Přemysl Eric Janouch 2017-01-29 17:56:59 +01:00
parent d95eb500f7
commit 87a738161a
Signed by: p
GPG Key ID: B715679E3A361BE6
1 changed files with 14 additions and 8 deletions
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nncmpp.c
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@ -1135,11 +1135,17 @@ app_draw_header (void)
app_flush_header (&buf, attrs[false]);
}
static int
app_fitting_items (void)
{
// The raw number of items that would have fit on the terminal
return LINES - g.header_height;
}
static int
app_visible_items (void)
{
// This may eventually include a header bar and/or a status bar
return MAX (0, LINES - g.header_height);
return MAX (0, app_fitting_items ());
}
static void
@ -1220,8 +1226,8 @@ app_draw_view (void)
bool want_scrollbar = (int) tab->item_count > app_visible_items ();
int view_width = COLS - want_scrollbar;
int to_show = MIN (LINES - g.header_height,
(int) tab->item_count - tab->item_top);
int to_show =
MIN (app_fitting_items (), (int) tab->item_count - tab->item_top);
for (int row = 0; row < to_show; row++)
{
int item_index = tab->item_top + row;
@ -1560,12 +1566,12 @@ app_process_action (enum action action)
break;
case ACTION_GOTO_PAGE_PREVIOUS:
app_scroll ((int) g.header_height - LINES);
app_move_selection ((int) g.header_height - LINES);
app_scroll (-app_fitting_items ());
app_move_selection (-app_fitting_items ());
break;
case ACTION_GOTO_PAGE_NEXT:
app_scroll (LINES - (int) g.header_height);
app_move_selection (LINES - (int) g.header_height);
app_scroll (app_fitting_items ());
app_move_selection (app_fitting_items ());
break;
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -