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Add circular loop to difficulty selector

master
En Yi 2018-07-19 15:46:21 +08:00
parent a779b95065
commit 96b7a4f059
1 changed files with 19 additions and 20 deletions
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39
graphic_components/scoreboard.py
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@ -36,13 +36,16 @@ class HighScoreBoard(QWidget):
class DifficultySwitch(QHBoxLayout):
difficultySelected = pyqtSignal(str)
def __init__(self):
super().__init__()
circular_text = hs.DIFFICULTIES.copy()
circular_text.insert(0, hs.DIFFICULTIES[-1])
circular_text.append(hs.DIFFICULTIES[0])
self.max_length = max(len(diff) for diff in hs.DIFFICULTIES)
self.full_text = ''.join(d.center(self.max_length) for d in hs.DIFFICULTIES)
self.full_text = ''.join(d.center(self.max_length) for d in circular_text)
left_btn = QPushButton('<')
self.difficulty_display = QLabel('Normal')
self.difficulty_display.setAlignment(Qt.AlignCenter)
@ -55,45 +58,41 @@ class DifficultySwitch(QHBoxLayout):
self.show_pos = 0
self.reach_end = True
self.anim = QPropertyAnimation(self, b'show_pos')
self.anim.setDuration((len(hs.DIFFICULTIES) - 1) * self.max_length * 20)
self.anim.setStartValue(0)
self.anim.setEndValue((len(hs.DIFFICULTIES) - 1) * self.max_length)
self.anim.setDuration(((len(hs.DIFFICULTIES) + 1) * self.max_length + 2) * 20)
self.anim.setStartValue(-2)
self.anim.setEndValue((len(hs.DIFFICULTIES) + 2) * self.max_length + 1)
left_btn.clicked.connect(lambda: self.shift_difficulty(QAbstractAnimation.Backward))
right_btn.clicked.connect(lambda: self.shift_difficulty(QAbstractAnimation.Forward))
self.anim.valueChanged.connect(self.pause_anim)
self.anim.start()
@pyqtProperty(int)
def show_pos(self):
"""
int : The value for the animation
When the value is set, the text to be printed is generated accordingly.
It determines whether actual text is to be printed, and retains the
paragraphs when printing garbage.
When the value is set, the text to be shown is selected from the full text.
"""
return self._shown_length
@show_pos.setter
def show_pos(self, value):
self._shown_length = value
self.difficulty_display.setText(self.full_text[value:value+9])
self.difficulty_display.setText(self.full_text[value:value+self.max_length])
def shift_difficulty(self, direction):
if not self.anim.state() == QAbstractAnimation.Running:
if (direction == QAbstractAnimation.Forward and self.show_pos < self.anim.endValue()) \
or (direction == QAbstractAnimation.Backward and self.show_pos > self.anim.startValue()):
self.anim.setDirection(direction)
if self.anim.state() == QAbstractAnimation.Paused:
self.anim.resume()
else:
self.anim.start()
self.anim.setDirection(direction)
self.anim.resume()
def pause_anim(self, value):
if value == (len(hs.DIFFICULTIES)+1) * self.max_length:
self.show_pos = self.max_length
elif value == 0:
self.show_pos = len(hs.DIFFICULTIES) * self.max_length
if value % 9 == 0:
if value == self.anim.endValue() or value == self.anim.endValue():
self.reach_end = True
else:
self.anim.pause()
self.anim.pause()
self.difficultySelected.emit(self.difficulty_display.text())
class ScoreGrid(QGridLayout):