Mercurial > boomslang
view pyntnclick/widgets/toollist.py @ 557:65e36149b273 pyntnclick
Remove useless widgets modules
author | Stefano Rivera <stefano@rivera.za.net> |
---|---|
date | Sat, 11 Feb 2012 14:13:49 +0200 |
parents | c0474fe18b96 |
children | f9f04cb35697 |
line wrap: on
line source
from pygame.constants import KEYUP, K_1, K_PAGEDOWN, K_PAGEUP from mamba.widgets.base import Container from mamba.widgets.text import TextButton class ToolListWidget(Container): """List of other widgets, with some paging trickery""" def __init__(self, rect, widget_list, page_length, start_key=K_1, padding=2): widget_list.sort(key=lambda w: w.text) self.widget_list = widget_list self.page_length = page_length self.padding = padding self.page = 0 self.start_key = start_key super(ToolListWidget, self).__init__(rect) self.prev_but = None self.next_but = None self.fill_page() # We do this to avoid needing to worry about focus too much self.add_callback(KEYUP, self.handle_key) self.focussable = True def fill_page(self): for widget in self.children[:]: self.remove(widget) self.hot_keys = {} start_page = self.page * self.page_length end_page = start_page + self.page_length button_height = self.rect.top + self.padding button_left = self.rect.left + self.padding key = self.start_key for widget in self.widget_list[start_page:end_page]: widget.rect.topleft = (button_left, button_height) self.add(widget) if key: self.hot_keys[key] = widget key += 1 button_height += widget.rect.height + self.padding if not self.prev_but: self.prev_but = TextButton((button_left, button_height), u'\N{LEFTWARDS ARROW}') self.prev_but.add_callback('clicked', self.change_page, -1) else: self.prev_but.rect.top = max(button_height, self.prev_but.rect.top) if not self.next_but: self.next_but = TextButton((button_left + 100, button_height), u'\N{RIGHTWARDS ARROW}') self.next_but.add_callback('clicked', self.change_page, 1) else: self.next_but.rect.top = max(button_height, self.next_but.rect.top) if start_page > 0: self.prev_but.enable() else: self.prev_but.disable() if end_page < len(self.widget_list): self.next_but.enable() else: self.next_but.disable() self.add(self.prev_but) self.add(self.next_but) for widget in self.children[:]: if widget in self.widget_list: # Standardise widdths widget.rect.width = self.rect.width - 2 widget.prepare() def handle_key(self, ev, widget): if hasattr(self.parent, 'paused') and self.parent.paused: # No hotjets when pasued return False if ev.key in self.hot_keys: widget = self.hot_keys[ev.key] return widget.forced_click() elif ev.key == K_PAGEDOWN and self.prev_but: return self.prev_but.forced_click() elif ev.key == K_PAGEUP and self.next_but: return self.next_but.forced_click() def change_page(self, ev, widget, change): self.page += change self.fill_page() return True