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111 lines
3.2 KiB
Python
111 lines
3.2 KiB
Python
import time
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import pyglet
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from pyglet import graphics
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from pyglet import text
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from pyglet import event
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from pyglet.gl import *
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class SimpleMenu(event.EventDispatcher, graphics.Batch):
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def __init__(self, parent, x, y, options):
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super(SimpleMenu, self).__init__()
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self.parent = parent
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self.x, self.y = x, y
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self.options = []
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y = y
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self.width = 0
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for option in options:
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l = text.Label(option, x=x, y=y, color=(0, 0, 0, 255), anchor_y='top', batch=self)
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self.options.append(l)
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self.width = max(self.width, l.content_width)
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y -= l.content_height
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self.height = abs(self.y - y)
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# add some padding
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self.height += 4
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self.width += 4
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# adjust menu position to make sure whole menu is visible
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if self.x < 0:
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self.x = 0
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if self.x + self.width> parent.width:
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self.x = parent.width - self.width
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if self.y - self.height < 0:
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self.y = self.height
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if self.y > parent.height:
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self.y = parent.height
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# reposition the items
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y = self.y - 2
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for option in self.options:
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option.x = self.x + 2
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option.y = y
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y -= l.content_height
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self.created_time = time.time()
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parent.push_handlers(self)
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def on_mouse_motion(self, x, y, dx, dy):
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ret = event.EVENT_UNHANDLED
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for option in self.options:
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if (option.x < x < option.x + self.width and
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option.y - option.content_height < y < option.y):
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option.color = (200, 0, 0, 255)
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ret = event.EVENT_HANDLED
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elif option.color != (0, 0, 0, 255):
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option.color = (0, 0, 0, 255)
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return ret
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def on_mouse_drag(self, x, y, dx, dy, buttons, modifiers):
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return self.on_mouse_motion(x, y, dx, dy)
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def on_mouse_press(self, x, y, buttons, modifiers):
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# determine action to take
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selected_option = None
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for option in self.options:
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if (option.x < x < option.x + self.width and
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option.y - option.content_height < y < option.y):
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selected_option = option.text
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break
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self.parent.remove_handlers(self)
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self.options = None
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self.dispatch_event('on_close', selected_option)
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return event.EVENT_HANDLED
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def on_mouse_release(self, x, y, button, modifiers):
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if time.time() - self.created_time > .5:
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return self.on_mouse_press(x, y, button, modifiers)
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return event.EVENT_UNHANDLED
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def draw(self):
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glColor4f(255, 255, 255, 255)
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glRectf(self.x, self.y, self.x + self.width, self.y - self.height)
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super(SimpleMenu, self).draw()
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SimpleMenu.register_event_type('on_close')
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if __name__ == '__main__':
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win = pyglet.window.Window(height=400)
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m = None
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@win.event
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def on_draw():
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win.clear()
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if m: m.draw()
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m = SimpleMenu(win, 0, 0, ['New', 'Load', 'Save', 'Quit'])
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@m.event
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def on_close(selected_option):
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print selected_option
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if selected_option == 'Quit':
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pyglet.app.exit()
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global m
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m = None
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pyglet.app.run()
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