-
Notifications
You must be signed in to change notification settings - Fork 0
/
gui.py
348 lines (303 loc) · 14.3 KB
/
gui.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
import sys
import json
import math
from PyQt5 import QtWidgets, QtCore
from PyQt5.QtCore import QRect, QPoint, QRectF, QPointF
from PyQt5.QtGui import QPainter, QColor
from PyQt5.QtGui import QPixmap
from PyQt5.QtWidgets import QLabel, QMainWindow
from PyQt5.QtWidgets import QWidget
from map import *
from tram_receiver import *
class MainWidget(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.dock_widget = QtWidgets.QDockWidget(self)
self.dock_widget.setFeatures(QtWidgets.QDockWidget.NoDockWidgetFeatures)
self.tram_routes = [str(i) for i in range(1, 35) if i not in [12, 28, 29, 30]]
self.trolley_routes = [str(i) for i in range(1, 21) if i != 2]
self.settings_file = 'settings.json'
self.init_ui()
self.mapper = MapReceiver()
self.render_map()
def init_ui(self):
refresh_action = QtWidgets.QAction('&Refresh', self)
refresh_action.setShortcut('Ctrl+R')
refresh_action.triggered.connect(self.draw_trams)
close_action = QtWidgets.QAction("&Close", self)
close_action.setShortcut("Ctrl+Q")
close_action.triggered.connect(sys.exit)
menu_bar = self.menuBar()
menu_bar.addAction(close_action)
menu_bar.addAction(refresh_action)
self.showMaximized()
self.dock_widget.setWidget(DockWidget(self.tram_routes, self.trolley_routes))
self.addDockWidget(QtCore.Qt.RightDockWidgetArea, self.dock_widget)
self.setWindowTitle("Где трамвай")
def render_map(self):
self.setCentralWidget(MapWidget(self.mapper, self.load_settings()))
def draw_trams(self):
self.centralWidget().update()
def closeEvent(self, e):
with open(self.settings_file, 'w') as file:
json.dump(self.centralWidget().get_settings(), file)
def load_settings(self):
with open(self.settings_file) as file:
return json.load(file)
class MapWidget(QWidget):
def __init__(self, mapper: MapReceiver, settings=None):
QWidget.__init__(self)
self.mapper = mapper
self.tile_size = 256
self.tile_drawn = []
self.lat = 56.842963648401295
self.lon = 60.6005859375
self.zoom = 15
self.delta = QPoint(0, 0)
self.to_rerender = False
self.load_settings(settings)
self.trammer = TransportReceiver()
self.drag_start = None
self.current_pos = None
def load_settings(self, settings):
if settings is None:
return
self.lat = settings['lat']
self.lon = settings['lon']
def get_settings(self):
return {
'lat': self.lat,
'lon': self.lon
}
def paintEvent(self, e):
zoom = 15
painter = QPainter()
painter.begin(self)
try:
if self.to_rerender:
self.rerender(painter)
else:
self.draw_tiles_from_corner(painter, self.lat, self.lon, zoom)
self.draw_trams(painter)
except Exception as e:
print(e)
painter.end()
def draw_tiles_from_corner(self, painter: QPainter, x, y, zoom):
geom = self.geometry()
corner_x, corner_y = self.mapper.coords_to_tile(x, y, zoom)
row_number = 0
for row in range(geom.top() - self.tile_size, geom.height(), self.tile_size):
col_number = 0
for column in range(geom.left() - self.tile_size, geom.right(), self.tile_size):
target_rect = QRect(column, row, self.tile_size, self.tile_size)
tile_rect = QRect(0, 0, self.tile_size, self.tile_size)
res_x = corner_x + col_number
res_y = corner_y + row_number
tile = self.mapper.get_tile_from_numbers(res_x, res_y, zoom)
tile.corner = target_rect.topLeft()
self.tile_drawn.append(tile)
painter.drawPixmap(target_rect, QPixmap(tile.path), tile_rect)
tile.widget_x = target_rect.x()
tile.widget_y = target_rect.y()
col_number += 1
row_number += 1
def rerender(self, painter: QPainter):
for tile in self.tile_drawn:
tile.widget_x += self.delta.x()
tile.widget_y += self.delta.y()
target_rect = QRectF(tile.widget_x, tile.widget_y, self.tile_size, self.tile_size)
tile_rect = QRectF(0, 0, self.tile_size, self.tile_size)
painter.drawPixmap(target_rect, QPixmap(tile.path), tile_rect)
self.fill_perimeter(painter)
self.clear_tiles()
def fill_perimeter(self, painter):
self.fill_top_row(painter)
self.fill_bottom_row(painter)
self.fill_left_column(painter)
self.fill_right_column(painter)
def fill_top_row(self, painter: QPainter):
top_tile = min(self.get_tiles_on_screen(), key=lambda tile: tile.widget_y)
if top_tile.widget_y > -self.tile_size:
row = top_tile.widget_y - self.tile_size
col_number = 0
res_row = top_tile.y - 1
for column in range(int(top_tile.widget_x), self.geometry().width() + 1, self.tile_size):
res_col = top_tile.x + col_number
tile = self.mapper.get_tile_from_numbers(res_col, res_row, self.zoom)
target_rect = QRectF(column, row, self.tile_size, self.tile_size)
tile_rect = QRectF(0, 0, self.tile_size, self.tile_size)
self.tile_drawn.append(tile)
painter.drawPixmap(target_rect, QPixmap(tile.path), tile_rect)
tile.widget_x = target_rect.x()
tile.widget_y = target_rect.y()
col_number += 1
def fill_bottom_row(self, painter: QPainter):
bottom_tile = max(self.get_tiles_on_screen(), key=lambda cur_tile: cur_tile.widget_y)
if bottom_tile.widget_y < self.geometry().height():
row = bottom_tile.widget_y + self.tile_size
col_number = 0
res_row = bottom_tile.y + 1
for column in range(int(bottom_tile.widget_x), self.geometry().width() + 1, self.tile_size):
res_col = bottom_tile.x + col_number
tile = self.mapper.get_tile_from_numbers(res_col, res_row, self.zoom)
target_rect = QRectF(column, row, self.tile_size, self.tile_size)
tile_rect = QRectF(0, 0, self.tile_size, self.tile_size)
self.tile_drawn.append(tile)
painter.drawPixmap(target_rect, QPixmap(tile.path), tile_rect)
tile.widget_x = target_rect.x()
tile.widget_y = target_rect.y()
col_number += 1
def fill_left_column(self, painter: QPainter):
left_tile = min(self.get_tiles_on_screen(), key=lambda tile: tile.widget_x)
if left_tile.widget_x > -self.tile_size:
column = left_tile.widget_x - self.tile_size
row_number = 0
res_col = left_tile.x - 1
for row in range(int(left_tile.widget_y), self.geometry().height() + 1, self.tile_size):
res_row = left_tile.y + row_number
tile = self.mapper.get_tile_from_numbers(res_col, res_row, self.zoom)
target_rect = QRectF(column, row, self.tile_size, self.tile_size)
tile_rect = QRectF(0, 0, self.tile_size, self.tile_size)
self.tile_drawn.append(tile)
painter.drawPixmap(target_rect, QPixmap(tile.path), tile_rect)
tile.widget_x = target_rect.x()
tile.widget_y = target_rect.y()
row_number += 1
def fill_right_column(self, painter: QPainter):
right_tile = max(self.get_tiles_on_screen(), key=lambda tile: tile.widget_x)
if right_tile.widget_x < self.geometry().width() + 256:
column = right_tile.widget_x + self.tile_size
row_number = 0
res_col = right_tile.x + 1
for row in range(int(right_tile.widget_y), self.geometry().height() + 1, self.tile_size):
res_row = right_tile.y + row_number
tile = self.mapper.get_tile_from_numbers(res_col, res_row, self.zoom)
target_rect = QRectF(column, row, self.tile_size, self.tile_size)
tile_rect = QRectF(0, 0, self.tile_size, self.tile_size)
self.tile_drawn.append(tile)
painter.drawPixmap(target_rect, QPixmap(tile.path), tile_rect)
tile.widget_x = target_rect.x()
tile.widget_y = target_rect.y()
row_number += 1
def clear_tiles(self):
geom = self.geometry()
bounds = QRect(-self.tile_size, -self.tile_size, geom.width() + self.tile_size, geom.height() + self.tile_size)
tiles = [tile for tile in self.tile_drawn if
self.fully_outside(QRect(tile.widget_x, tile.widget_y, self.tile_size, self.tile_size), bounds)]
for tile in tiles:
self.tile_drawn.remove(tile)
def outside_bounds(self, rect: QRect, bounds: QRect):
return rect.top() < bounds.top() or rect.bottom() > bounds.bottom() or rect.left() < bounds.left() or rect.right() > bounds.right()
def fully_outside(self, rect: QRect, bounds: QRect):
return rect.bottom() < bounds.top() or rect.right() < bounds.left() or rect.top() > bounds.bottom() or rect.left() > bounds.right()
def get_tiles_on_screen(self):
geom = self.geometry()
return [tile for tile in self.tile_drawn if
not self.outside_bounds(QRect(tile.widget_x, tile.widget_y, self.tile_size, self.tile_size),
geom)]
def point_is_outside(self, point: QPointF, bounds: QRectF):
return point.x() < bounds.left() or point.x() > bounds.right() or point.y() < bounds.top() or point.y() > bounds.bottom()
def draw_trams(self, painter: QPainter):
trams = self.trammer.get_trams()
last_tile = self.tile_drawn[-1]
right_bottom = self.mapper.tile_too_coords(last_tile.x + 1, last_tile.y + 1, self.zoom)
right_bottom = QPointF(right_bottom[1], right_bottom[0])
width = math.fabs(right_bottom.x() - self.lon)
height = math.fabs(right_bottom.y() - self.lat)
bounds = QRectF(self.lon, right_bottom.y(), width, height)
for tram in trams:
location = QPointF(tram.lon, tram.lat)
if self.point_is_outside(location, bounds):
continue
coords = self.count_tram_tile_coords(tram)
if coords is not None:
x, y = coords
painter.setBrush(QColor(255, 0, 0))
painter.drawEllipse(x, y, 10, 10)
painter.drawText(x, y, tram.route)
def count_tram_tile_coords(self, tram):
tile = self.mapper.coords_to_tile(tram.lat, tram.lon, self.zoom)
drawn_tile = self.find_tile(tile[0], tile[1])
if drawn_tile is None:
return
tile_lat, tile_lon = self.mapper.tile_too_coords(tile[0], tile[1], self.zoom)
dy = self.mapper.get_distance((tile_lat, tile_lon), (tram.lat, tile_lon))
dx = self.mapper.get_distance((tile_lat, tile_lon), (tile_lat, tram.lon))
resolution = self.mapper.get_resolution(tram.lat, self.zoom)
tile_dy = dy / resolution
tile_dx = dx / resolution
return drawn_tile.widget_x + tile_dx, drawn_tile.widget_y + tile_dy
def find_tile(self, x, y):
for tile in self.tile_drawn:
if tile.x == x and tile.y == y:
return tile
return None
def find_tile_by_drawn_coords(self, x, y):
for tile in self.tile_drawn:
if x - tile.widget_x <= 256 and y - tile.widget_y <= 256:
return tile
return None
def mousePressEvent(self, event):
self.drag_start = event.localPos()
def mouseMoveEvent(self, event):
self.current_pos = event.localPos()
tile = self.find_tile_by_drawn_coords(self.current_pos.x(), self.current_pos.y())
if tile is None:
return
delta = self.current_pos - self.drag_start
new_x, new_y = tile.x + delta.x() / 256, tile.y + delta.y() / 256
new_lat, new_lon = self.mapper.tile_too_coords(new_x, new_y, self.zoom)
old_lat, old_lon = self.mapper.tile_too_coords(tile.x, tile.y, self.zoom)
coords_delta = (new_lat - old_lat, new_lon - old_lon)
self.lat -= coords_delta[0]
self.lon -= coords_delta[1]
self.drag_start = self.current_pos
self.delta = delta
self.to_rerender = True
self.update()
class DockWidget(QWidget):
def __init__(self, tram_routes, trolley_routes):
QWidget.__init__(self)
self.tram_widget = TramPickWidget(tram_routes)
self.trolley_widget = TrolleyPickWidget(trolley_routes)
self.init_ui()
def init_ui(self):
layout = QtWidgets.QGridLayout()
layout.addWidget(QLabel('Трамваи'), 0, 0)
layout.addWidget(self.tram_widget, 1, 0)
layout.addWidget(QLabel('Троллейбусы'), 2, 0)
layout.addWidget(self.trolley_widget, 3, 0)
self.setLayout(layout)
class TransportPickWidget(QWidget):
def __init__(self, routes):
QWidget.__init__(self)
self.routes = routes
self.route_checkboxes = []
self.init_ui()
def init_ui(self):
self.layout = QtWidgets.QGridLayout()
column = 0
column_length = 5
for i in range(len(self.routes)):
if i % column_length == 0:
column += 1
widget = QWidget()
layout = QtWidgets.QGridLayout()
label = QLabel(self.routes[i])
layout.addWidget(label, 0, 0)
check = QtWidgets.QCheckBox()
layout.addWidget(check, 0, 1)
self.route_checkboxes.append(widget)
widget.setLayout(layout)
self.layout.addWidget(widget, i % column_length, column)
self.layout.addWidget(QWidget(), column_length, 0, -1, -1)
self.layout.setRowStretch(column_length, 1)
self.setLayout(self.layout)
class TramPickWidget(TransportPickWidget):
def __init__(self, routes):
super().__init__(routes)
self.init_ui()
class TrolleyPickWidget(TransportPickWidget):
def __init__(self, routes):
super().__init__(routes)
self.init_ui()