mirror of
https://github.com/Febbweiss/mopidy-touchscreen.git
synced 2026-03-04 22:25:39 +00:00
103 lines
3.9 KiB
Python
103 lines
3.9 KiB
Python
from .screen_objects import ScreenObjectsManager
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import logging
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import pygame
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from .touch_manager import TouchManager
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from .touch_manager import TouchEvent
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from .screen_objects import *
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logger = logging.getLogger(__name__)
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class ListView():
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def __init__(self, pos, size, base_size, fonts):
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self.size = size
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self.pos = pos
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self.base_size = base_size
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self.screen_objects = ScreenObjectsManager()
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self.max_rows = self.size[1] / self.base_size
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self.current_item = 0
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self.fonts = fonts
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self.list_size = 0
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self.list = []
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self.scrollbar = False
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self.set_list([])
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self.selected = []
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def set_list(self, item_list):
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self.list = item_list
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self.list_size = len(item_list)
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if self.max_rows < self.list_size:
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self.scrollbar = True
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scroll_bar = ScrollBar((self.pos[0]+self.size[0]-self.base_size,self.pos[1]), (self.base_size, self.size[1]),self.list_size,self.max_rows)
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self.screen_objects.set_touch_object("scrollbar", scroll_bar)
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else:
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self.scrollbar = False
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self.load_new_item_position(0)
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def load_new_item_position(self, item_pos):
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self.current_item = item_pos
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if self.scrollbar:
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self.screen_objects.clear_touch(["scrollbar"])
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else:
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self.screen_objects.clear_touch(None)
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i = self.current_item
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z = 0
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if self.scrollbar:
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width = self.size[0] - self.base_size
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else:
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width = self.size[0]
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while i < self.list_size and z < self.max_rows:
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item = TouchAndTextItem(self.fonts['base'], self.list[i], (self.pos[0], self.pos[1]+self.base_size*z), (width, -1))
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self.screen_objects.set_touch_object(str(i), item)
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i += 1
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z += 1
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def render(self, surface):
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self.screen_objects.render(surface)
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def touch_event(self, touch_event):
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if touch_event.type == TouchManager.click:
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objects = self.screen_objects.get_touch_objects_in_pos(touch_event.current_pos)
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if objects is not None:
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for key in objects:
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if key == "scrollbar":
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direction = self.screen_objects.get_touch_object(key).touch(touch_event.current_pos)
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if direction != 0:
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self.move_to(direction)
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else:
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return int(key)
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elif touch_event.type == TouchManager.swipe:
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if touch_event.direction == TouchManager.up:
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self.move_to(-1)
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elif touch_event.direction == TouchManager.down:
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self.move_to(1)
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def move_to(self, direction):
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if self.scrollbar:
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if direction == 1:
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self.current_item += self.max_rows
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if self.current_item + self.max_rows > self.list_size:
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self.current_item = self.list_size - self.max_rows
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self.load_new_item_position(self.current_item)
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self.screen_objects.get_touch_object("scrollbar").set_item(self.current_item)
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elif direction == -1:
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self.current_item -= self.max_rows
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if self.current_item < 0:
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self.current_item = 0
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self.load_new_item_position(self.current_item)
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self.screen_objects.get_touch_object("scrollbar").set_item(self.current_item)
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self.set_selected(self.selected)
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def set_selected(self, selected):
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for number in self.selected:
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try:
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self.screen_objects.get_touch_object(str(number)).set_active(False)
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except KeyError:
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pass
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for number in selected:
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try:
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self.screen_objects.get_touch_object(str(number)).set_active(True)
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except KeyError:
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pass
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self.selected = selected |