Difficult-Rocket/bin/pyglet/gui/frame.py
2021-04-02 23:31:04 +08:00

123 lines
5.4 KiB
Python

# ----------------------------------------------------------------------------
# pyglet
# Copyright (c) 2006-2008 Alex Holkner
# Copyright (c) 2008-2020 pyglet contributors
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of pyglet nor the names of its
# contributors may be used to endorse or promote products
# derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# ----------------------------------------------------------------------------
import pyglet
from .ninepatch import NinePatch, NinePatchGroup
class Frame:
def __init__(self, window, cell_size=64, order=0):
window.push_handlers(self)
self._cell_size = cell_size
self._cells = {}
self._active_widgets = set()
self._order = order
self._mouse_pos = 0, 0
def _hash(self, x, y):
"""Normalize position to cell"""
return int(x / self._cell_size), int(y / self._cell_size)
def add_widget(self, widget):
"""Insert Widget into the appropriate cell"""
min_vec, max_vec = self._hash(*widget.aabb[0:2]), self._hash(*widget.aabb[2:4])
for i in range(min_vec[0], max_vec[0] + 1):
for j in range(min_vec[1], max_vec[1] + 1):
self._cells.setdefault((i, j), set()).add(widget)
# TODO: return ID and track Widgets for later deletion.
widget.update_groups(self._order)
def on_mouse_press(self, x, y, buttons, modifiers):
"""Pass the event to any widgets within range of the mouse"""
for widget in self._cells.get(self._hash(x, y), set()):
widget.dispatch_event('on_mouse_press', x, y, buttons, modifiers)
self._active_widgets.add(widget)
def on_mouse_release(self, x, y, buttons, modifiers):
"""Pass the event to any widgets that are currently active"""
for widget in self._active_widgets:
widget.dispatch_event('on_mouse_release', x, y, buttons, modifiers)
self._active_widgets.clear()
def on_mouse_drag(self, x, y, dx, dy, buttons, modifiers):
"""Pass the event to any widgets that are currently active"""
for widget in self._active_widgets:
widget.dispatch_event('on_mouse_drag', x, y, dx, dy, buttons, modifiers)
self._mouse_pos = x, y
def on_mouse_scroll(self, x, y, index, direction):
"""Pass the event to any widgets within range of the mouse"""
for widget in self._cells.get(self._hash(x, y), set()):
widget.dispatch_event('on_mouse_scroll', x, y, index, direction)
def on_mouse_motion(self, x, y, dx, dy):
"""Pass the event to any widgets within range of the mouse"""
for widget in self._active_widgets:
widget.dispatch_event('on_mouse_motion', x, y, dx, dy)
for widget in self._cells.get(self._hash(x, y), set()):
widget.dispatch_event('on_mouse_motion', x, y, dx, dy)
self._active_widgets.add(widget)
self._mouse_pos = x, y
def on_text(self, text):
for widget in self._cells.get(self._hash(*self._mouse_pos), set()):
widget.dispatch_event('on_text', text)
def on_text_motion(self, motion):
for widget in self._cells.get(self._hash(*self._mouse_pos), set()):
widget.dispatch_event('on_text_motion', motion)
def on_text_motion_select(self, motion):
for widget in self._cells.get(self._hash(*self._mouse_pos), set()):
widget.dispatch_event('on_text_motion_select', motion)
class NinePatchFrame(Frame):
def __init__(self, x, y, width, height, window, image, group=None, batch=None, cell_size=128, order=0):
super().__init__(window, cell_size, order)
self._npatch = NinePatch(image)
self._npatch.get_vertices(x, y, width, height)
self._group = NinePatchGroup(image.get_texture(), order, group)
self._batch = batch or pyglet.graphics.Batch()
vertices = self._npatch.get_vertices(x, y, width, height)
indices = self._npatch.indices
tex_coords = self._npatch.tex_coords
self._vlist = self._batch.add_indexed(16, pyglet.gl.GL_QUADS, self._group, indices,
('v2i', vertices), ('t2f', tex_coords))