class QSmoothlyHoveredPushButton(QPushButton):
def __init__(self,
text='',
parent=None,
foreground_color=QColor('black'),
background_color=QColor('white'),
duration=1000):
super().__init__(text, parent)
self.setFont(parent.font())
self.foreground_color = foreground_color
self.background_color = background_color
self.animation = QVariantAnimation()
self.animation.valueChanged.connect(self._on_value_changed)
self.animation.setStartValue(foreground_color)
self.animation.setEndValue(background_color)
self.animation.setDuration(duration)
self._update_stylesheet(background_color, foreground_color,
foreground_color)
self.setCursor(Qt.PointingHandCursor)
def _on_value_changed(self, color):
if self.animation.direction() == QAbstractAnimation.Forward:
foreground = self.foreground_color
else:
foreground = self.background_color
self._update_stylesheet(color, foreground, self.foreground_color)
def _update_stylesheet(self, background, foreground, border):
user_stylesheet = '\n'.join(self.styleSheet().splitlines()[3:])
super().setStyleSheet(
f'background-color: {background.name()} !important;\n'
f'color: {foreground.name()} !important;\n'
f'border: 2px solid {border.name()} !important;\n'
f'padding: 5px 20px;\n' + user_stylesheet)
def enterEvent(self, event):
self.animation.setDirection(QAbstractAnimation.Backward)
self.animation.start()
super().enterEvent(event)
def leaveEvent(self, event):
self.animation.setDirection(QAbstractAnimation.Forward)
self.animation.start()
super().leaveEvent(event)
def setStyleSheet(self, sheet):
base_sheet = '\n'.join(self.styleSheet().splitlines()[:3]) + '\n'
super().setStyleSheet(base_sheet + sheet)
class FancyPushButton(QtWidgets.QPushButton):
clicked = pyqtSignal()
"""
Button with animation effect. color1 is the color on the right, color2 on the left.
"""
def __init__(self, width, height, parent=None, *args, **kwargs):
super().__init__(parent)
self.setMinimumSize(width, height)
if len(kwargs) == 0:
self.color1 = QColor(240, 53, 218)
self.color2 = QColor(61, 217, 245)
else:
self.color1 = QColor(
kwargs.get('color1', None)[0],
kwargs.get('color1', None)[1],
kwargs.get('color1', None)[2])
self.color2 = QColor(
kwargs.get('color2', None)[0],
kwargs.get('color2', None)[1],
kwargs.get('color2', None)[2])
self._animation = QVariantAnimation(self,
valueChanged=self._animate,
startValue=0.00001,
endValue=0.9999,
duration=250)
# self.setStyleSheet("QPushButton:disabled {color:white;background-color: grey; border-style: outset;border-radius: 8px;border-width: 2px;font: bold 12px;padding: 6px}")
def _animate(self, value):
qss = """
font: 75 8pt "Microsoft YaHei UI";
font-weight: bold;
color: rgb(255, 255, 255);
border-style: solid;
border-radius:8px;
"""
grad = "background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:0, stop:0 {color1}, stop:{value} {color2}, stop: 1.0 {color1});".format(
color1=self.color1.name(), color2=self.color2.name(), value=value)
qss += grad
self.setStyleSheet(qss)
def enterEvent(self, event):
self._animation.setDirection(QAbstractAnimation.Forward)
self._animation.start()
super().enterEvent(event)
def leaveEvent(self, event):
self._animation.setDirection(QAbstractAnimation.Backward)
self._animation.start()
super().enterEvent(event)
def mousePressEvent(self, event):
self._animation.setDirection(QAbstractAnimation.Forward)
self._animation.start()
self.clicked.emit()
super().enterEvent(event)
class SharpButton(QPushButton):
def __init__(self,
primaryColor="rgb(0, 179, 60)",
secondaryColor="rgb(204, 255, 221)",
font_family="Verdana",
font_size="13px",
font_weight="normal",
border_style="solid",
border_width="2px",
border_radius="0px"):
super().__init__()
self.setCursor(QCursor(Qt.PointingHandCursor))
self.primaryColor = primaryColor
self.secondaryColor = secondaryColor
p1, p2, p3 = rgbStringToInt(self.primaryColor)
s1, s2, s3 = rgbStringToInt(self.secondaryColor)
self.color = self.primaryColor
self.background_color = self.secondaryColor
self.animation = QVariantAnimation(startValue=QColor(p1, p2, p3),
endValue=QColor(s1, s2, s3),
valueChanged=self.onHover,
duration=400)
self.font_family = font_family
self.font_size = font_size
self.font_weight = font_weight
self.border_style = border_style
self.border_color = primaryColor
self.pressed_border_color = "rgb(152, 208, 245)"
self.border_width = border_width
self.border_radius = border_radius
self.renderStyleSheet()
def renderStyleSheet(self):
self.styleSheet = "QPushButton{"
self.styleSheet += "color: " + self.color + ";"
self.styleSheet += "background-color: " + self.background_color + ";"
self.styleSheet += "border-style: " + self.border_style + ";"
self.styleSheet += "border-color: " + self.border_color + ";"
self.styleSheet += "border-width: " + self.border_width + ";"
self.styleSheet += "border-radius: " + self.border_radius + ";"
self.styleSheet += "font-family: " + self.font_family + ";"
self.styleSheet += "font-size: " + self.font_size + ";"
self.styleSheet += "font-weight: " + self.font_weight + ";"
self.styleSheet += "}"
self.styleSheet += "QPushButton::pressed{"
self.styleSheet += "border-color: " + self.pressed_border_color + ";"
self.styleSheet += "}"
self.setStyleSheet(self.styleSheet)
def onHover(self, color):
if self.animation.direction() == QAbstractAnimation.Forward:
self.color = self.primaryColor
else:
self.color = self.secondaryColor
self.background_color = color.name()
self.renderStyleSheet()
def enterEvent(self, event):
self.animation.setDirection(QAbstractAnimation.Backward)
self.animation.start()
super().enterEvent(event)
def leaveEvent(self, event):
self.animation.setDirection(QAbstractAnimation.Forward)
self.animation.start()
super().leaveEvent(event)
