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import curses
from .selector import Selector
class InventoryPad:
def __init__(self, title):
self.title = title
self.selector = Selector(self)
self.widget = None
self.items = []
def setWidget(self, widget):
self.widget = widget
def getSelector(self):
return self.selector
def change(self):
self.widget.change()
def setInventory(self, items):
self.items = items
self.widget.change()
def getNumItems(self):
return len(self.items)
def update(self):
win = self.widget.getWin()
height, width = win.getmaxyx()
height -= 1
selected = self.selector.getValue()
start = min(selected - height//2, len(self.items)-height)
start = max(start, 0)
end = start + height
win.erase()
win.addstr(0,0, (self.title + ":")[:width])
for i, item in enumerate(self.items[start:end]):
if i + start == selected:
win.addstr(i+1, 0, '*')
win.addstr(i+1, 1, item)
if end < len(self.items):
try:
win.addstr(height, width-1, "+")
except curses.error:
# ncurses has a weird problem:
# it always raises an error when drawing to the last character in the window
# it draws first and then raises the error
# therefore to draw in the last place of the window the last character needs to be ingored
# other solutions might be possible, but are more hacky
pass
if start > 0:
win.addstr(1, width-1, "-")
win.noutrefresh()
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