/
interface.py
252 lines (192 loc) · 8.97 KB
/
interface.py
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import sys
import math
import time
import numpy as np
import matplotlib
import matplotlib.pyplot as plt
matplotlib.use('qt5agg')
from matplotlib.widgets import Button, RadioButtons, Slider
class GUIInterface:
def __init__(self):
# based on the answer https://stackoverflow.com/a/43382060/3350732
# of user buvinj https://stackoverflow.com/users/3220983/buvinj
# from https://stackoverflow.com/questions/17280637/tkinter-messagebox-without-window
# self.root will store the root of tKinter which is used for message boxes,
# but we only use matplotlib for the main GUI window
# GUI INIT
self.waiting_time = 1 # initially the waiting time between plots is 1s
self.fig = plt.figure(figsize=(10, 8), dpi=80)
self.fig.canvas.set_window_title('OPTIMAL DEGREE-THREE SPANNERS OF THE SQUARE LATTICE')
def handle_close(evt):
print('Execution terminated')
plt.close('all')
sys.exit()
self.fig.canvas.mpl_connect('close_event', handle_close)
self.ax = self.fig.add_subplot(111, aspect='equal')
self.__init_axes()
self.fig.subplots_adjust(left=0.2, bottom=0.2)
widget_color = 'palegoldenrod'
self.progress_slider_ax = self.fig.add_axes([0.15, 0.08, 0.75, 0.04], facecolor=widget_color)
self.progress_slider = Slider(self.progress_slider_ax, 'Progress', 0, 100, valinit=0, dragging=False)
self.progress_slider.set_active(False)
self.in_pause = False
self.pause_button_ax = self.fig.add_axes([0.8, 0.01, 0.1, 0.04])
self.pause_button = Button(self.pause_button_ax, 'Pause', color=widget_color, hovercolor='lightgray')
self.pause_button.resume_label = self.pause_button_ax.text(0.5, 0.5, 'Resume', verticalalignment = 'center', horizontalalignment = 'center')
self.pause_button.resume_label.set_visible(False)
def pause_button_callback(mouse_event):
if self.in_pause:
self.in_pause = False
self.pause_button.label.set_visible(True)
self.pause_button.resume_label.set_visible(False)
else:
self.in_pause = True
self.pause_button.label.set_visible(False)
self.pause_button.resume_label.set_visible(True)
self.pause_button.on_clicked(pause_button_callback)
self.waiting_time_radios_ax = self.fig.add_axes([0.025, 0.5, 0.15, 0.15], facecolor=widget_color)
self.waiting_time_radios = RadioButtons(self.waiting_time_radios_ax, ('plotting time', '0.3s', '1s', '3s'), active=1)
def waiting_time_callback(label):
if label == 'plotting time':
self.waiting_time = 0.001
else:
self.waiting_time = float(label[:-1])
self.fig.canvas.draw_idle()
self.waiting_time_radios.on_clicked(waiting_time_callback)
self.fig.canvas.draw_idle()
plt.pause(self.waiting_time)
def notify_start(self, edges, forbidden_edges, to_prove):
self.current_tot = to_prove.tot
self.progress_slider.set_val(0)
self.is_uv_constraint = (to_prove.u is not None and to_prove.v is not None)
self.shortcut = None
self.pattern = None
self.unique_path = None
self.impossible_to_join = None
print('We now consider the proof of', to_prove.name)
print('Known lemmas so far:', str([lemma.name for lemma in to_prove.known_lemmas]))
def notify_end(self, to_prove):
print('Finished the proof of', to_prove.name)
def notify_finished(self):
print('The proof is complete!')
def notify_shortcut(self, edges, forbidden_edges, shortcut):
self.shortcut = shortcut
self.__visualize(edges, forbidden_edges)
self.shortcut = None
def notify_pattern(self, edges, forbidden_edges, pattern):
self.pattern = pattern
self.__visualize(edges, forbidden_edges)
self.pattern = None
def notify_unique_path(self, edges, forbidden_edges, unique_path):
self.unique_path = unique_path
self.__visualize(edges, forbidden_edges)
self.unique_path = None
def notify_impossible_to_join(self, edges, forbidden_edges, p, q):
self.impossible_to_join = (p, q)
self.__visualize(edges, forbidden_edges)
self.impossible_to_join = None
def notify_branch(self, edges, forbidden_edges, tot):
self.__visualize(edges, forbidden_edges)
self.progress_slider.set_val(100*tot/self.current_tot)
def __curly_path(self, a, b, col):
# modified from the answer https://stackoverflow.com/a/50918519/3350732
# of user hayk-hakobyan https://stackoverflow.com/users/4888158/hayk-hakobyan
# from https://stackoverflow.com/questions/45365158/matplotlib-wavy-arrow
xa, ya = a
xb, yb = b
dist = np.hypot(xb - xa, yb - ya)
theta = np.arctan2(yb - ya, xb - xa)
n = 3 * round(dist)
x = np.linspace(0, dist, 200)
y = 0.2 * np.sin(2*np.pi * x * n / dist)
for i in range(200):
old_x, old_y = x[i], y[i]
x[i] = np.cos(theta)*old_x - np.sin(theta)*old_y
y[i] = np.sin(theta)*old_x + np.cos(theta)*old_y
self.ax.plot(x + xa, y + ya, linewidth=3, color=col)
def __init_axes(self):
x_ticks = range(-5, 7)
y_ticks = range(-5, 7)
self.ax.set_xticks(x_ticks)
self.ax.set_yticks(y_ticks)
self.ax.set_xlim([-5, 6])
self.ax.set_ylim([-5, 6])
self.ax.grid(which='both')
def __visualize(self, edges, forbidden_edges):
while self.in_pause:
self.fig.canvas.start_event_loop(0.01)
self.ax.cla()
self.__init_axes()
for seg in edges:
a, b = seg
xa, ya = a
xb, yb = b
self.ax.plot((xa, xb), (ya, yb), color='blue')
for seg in forbidden_edges:
a, b = seg
xa, ya = a
xb, yb = b
self.ax.plot((xa, xb), (ya, yb), color='lightsalmon')
if self.shortcut is not None:
ls_x = []
ls_y = []
for pt in self.shortcut:
x, y = pt
ls_x.append(x)
ls_y.append(y)
len_shortcut = len(self.shortcut)
for i in range(len_shortcut - 1):
a, b = self.shortcut[i], self.shortcut[i+1]
if (a, b) in edges:
xa, ya = a
xb, yb = b
self.ax.plot((xa, xb), (ya, yb), linewidth=4, linestyle='--', color='magenta')
else:
self.__curly_path(a, b, 'magenta')
if self.unique_path is not None:
ls_x = []
ls_y = []
for pt in self.unique_path:
x, y = pt
ls_x.append(x)
ls_y.append(y)
self.ax.plot(ls_x, ls_y, linestyle='--', linewidth=4, color='limegreen')
if self.pattern is not None:
for seg in self.pattern:
a, b = seg
xa, ya = a
xb, yb = b
self.ax.plot((xa, xb), (ya, yb), linewidth=5, color='darkviolet')
if self.impossible_to_join is not None:
a, b = self.impossible_to_join
self.__curly_path(a, b, 'red')
if self.is_uv_constraint:
self.ax.plot([0], [0], marker='o', markersize=8, color='magenta')
self.ax.plot([1], [2], marker='o', markersize=8, color='magenta')
self.fig.canvas.draw_idle()
self.fig.canvas.start_event_loop(self.waiting_time)
class TextInterface:
def __init__(self):
self.cp_expand = 0
self.current_tot = 0
def notify_start(self, edges, forbidden_edges, to_prove):
self.cp_expand = 0
self.current_tot = to_prove.tot
print('We now consider the proof of', to_prove.name)
print('Known lemmas so far:', str([lemma.name for lemma in to_prove.known_lemmas]))
input('Press any key to continue')
def notify_end(self, to_prove):
print('Finished the proof of', to_prove.name)
def notify_finished(self):
print('The proof is complete!')
def notify_shortcut(self, edges, forbidden_edges, shortcut):
print('SHORTCUT:', shortcut)
def notify_pattern(self, edges, forbidden_edges, pattern):
print('PATTERN:', pattern)
def notify_unique_path(self, edges, forbidden_edges, unique_path):
print('UNIQUE PATH:', unique_path)
def notify_impossible_to_join(self, edges, forbidden_edges, p, q):
print('IMPOSSIBLE TO JOIN', p, 'AND', q)
def notify_branch(self, edges, forbidden_edges, tot):
self.cp_expand += 1
print('PROGRESS:', str(self.cp_expand) + '/' + str(self.current_tot))