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
|
from config import Config
from game import Game
class BossKey():
"""Object which manages the 'boss key' feature
When a key is pressed, then the screen switches to a "work"
related image
"""
FG = "#ffaa00"
BG = "#aaaaaa"
BG2 = "#ffffff"
FG2 = "#555555"
TEXT_SIZE = 30
def __init__(self, game: Game, pause_callback) -> None:
"""Initialises the boss key feature
:param game: The game which to use
:type game: Game
:param pause_callback: The function to call to pause the game
:rtype: None
"""
self.game = game
self.canvas = game.canvas
self.width, self.height = game.w * Config.SCALE, game.h * Config.SCALE
self.shapes = []
self.game.inputs.add_keypress_handler(self.on_key)
self.hidden = True
self.pause_callback = pause_callback
def on_key(self, event):
"""Handle key press events
:param event: The key press event
"""
if event.keysym == self.game.inputs.settings.boss \
and self.hidden:
self.pause_callback()
self.create_shapes()
self.hidden = False
return True
if not self.hidden:
self.delete_shapes()
self.hidden = True
return True
return False
def create_rectangle(self, x, y, w, h, color):
"""Create a rectangle object
:param x: x coordinate
:param y: y coordinate
:param w: width
:param h: height
:param color: The colour of the rectangle
"""
self.shapes.append(self.canvas.create_rectangle(
x, y, x+w, y+h, fill=color, state="disabled"))
def write_text(self, x, y, text):
"""Create a text object
:param x: x coordiante
:param y: y coordinate
:param text: The text used for this label
"""
self.shapes.append(self.canvas.create_text(
x, y, text=text, fill=BossKey.BG2,
font=(f"Helvetica {BossKey.TEXT_SIZE} bold"), state="disabled"))
def create_shapes(self):
"""Create all the shapes needed for the calculator"""
width = self.width
height = self.height
padding = width // 50
num_rows = 5
num_cols = 4
grid_width = width // num_cols
grid_height = height // (num_rows+1)
self.create_rectangle(0, 0, width, height, BossKey.BG)
self.create_rectangle(padding,
padding,
width - padding*2,
grid_height-padding*2,
BossKey.FG2)
symbols = [
"(", ")", "%", "AC",
"7", "8", "9", "/",
"4", "5", "6", "x",
"1", "2", "3", "-",
"0", ".", "=", "+"
]
for row in range(num_rows):
for col in range(num_cols):
color = BossKey.FG2
if row == 0 or col == num_cols - 1:
color = BossKey.FG
x = col*grid_width+padding
y = row*grid_height+padding+grid_height
w = grid_width-padding*2
h = grid_height-padding*2
self.create_rectangle(x, y, w, h, color)
offset_x = x + padding + (
grid_width
- padding*2
- BossKey.TEXT_SIZE) // 2
offset_y = y + padding + (
grid_height-padding * 2
- BossKey.TEXT_SIZE) // 2
symbol = symbols[col + row*num_cols]
self.write_text(offset_x, offset_y, symbol)
def delete_shapes(self):
"""Remove all the shapes used for the calculator"""
for shape in self.shapes:
self.canvas.delete(shape)
|
