def setItems(self, items, item_ids):
if self.vscroll is not None:
self.removeChild(self.vscroll)
self.vscroll = VScrollPanel(self)
self.vscroll.setFixedHeight(200)
self.vscroll.setFixedWidth(self.item_width)
self.itemwidget = Widget(self.vscroll)
self.itemwidget.setLayout(
BoxLayout(Orientation.Vertical, Alignment.Middle, 0, 0))
def label_click_handler(button):
self.selected = int(button.id())
if self.cb is not None:
self.cb(self.selected)
self.list_items = []
for i, item in enumerate(items):
list_item = Button(self.itemwidget, item)
list_item.setFixedWidth(self.item_width)
list_item.setCallback(
lambda button=list_item: label_click_handler(button))
list_item.setId(str(item_ids[i]))
list_item.setTooltip(item)
list_item.setFontSize(14)
list_item.setFlags(Button.Flags.RadioButton)
self.list_items.append(list_item)
self.selected = None
self.setSelectedIndex(0)
window.setFixedSize((width, height))
# attach a vertical scroll panel
vscroll = VScrollPanel(window)
vscroll.setFixedSize((width, height))
# vscroll should only have *ONE* child. this is what `wrapper` is for
wrapper = Widget(vscroll)
wrapper.setFixedSize((width, height))
wrapper.setLayout(GridLayout()) # defaults: 2 columns
# NOTE: don't __dict__ crawl in real code!
# this is just because it's more convenient to do this for enumerating all
# of the icons -- see cpp example for alternative...
for key in entypo.__dict__.keys():
if key.startswith("ICON_"):
b = Button(wrapper, "entypo.{0}".format(key), entypo.__dict__[key])
b.setIconPosition(Button.IconPosition.Left)
b.setFixedWidth(half_width)
screen.performLayout()
screen.drawAll()
screen.setVisible(True)
nanogui.mainloop()
del screen
gc.collect()
nanogui.shutdown()
