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사용자 지정 진행률 표시 줄에 일부 진드기를 페인하려고하지만 선이 전혀 표시되지 않는 이유가 명확하지 않습니다.Pyside의 사용자 지정 QProgressBar에 틱을 페인트합니다.
당신은 당신의paintEvent 기능을 변경해야
import sys
import os
sys.path.append('Z:\\pipeline\\site-packages')
sys.path.append(os.path.dirname(os.path.abspath(__file__)))
from PySide import QtGui, QtCore
class QProgressBarPro(QtGui.QProgressBar):
progressClicked = QtCore.Signal()
progressChanging = QtCore.Signal()
progressChanged = QtCore.Signal()
def __init__(self, parent=None):
super(QProgressBarPro, self).__init__(parent)
self.default_value = 50.0
self.lmb_pressed = False
self.setFormat('%p')
self.setRange(0.0, 100.0)
self.stepEnabled = True
self.step = 5
self.setToolTip('<strong>Press+Hold+Ctrl</strong> for percise values<br><strong>Right-Click</strong> to reset default value')
def step_round(self, x, base=5):
return int(base * round(float(x)/base))
def set_value_from_cursor(self, xpos):
width = self.frameGeometry().width()
percent = float(xpos)/width
val = self.maximum() * percent
if self.stepEnabled:
modifiers = QtGui.QApplication.keyboardModifiers()
if modifiers != QtCore.Qt.ControlModifier:
val = self.step_round(val, self.step)
self.setValue(val)
def mousePressEvent(self, event):
self.progressClicked.emit()
mouse_button = event.button()
if mouse_button == QtCore.Qt.RightButton:
self.setValue(self.default_value)
else:
xpos = event.pos().x()
self.set_value_from_cursor(xpos)
self.lmb_pressed = True
self.progressChanging.emit()
def mouseReleaseEvent(self, event):
self.lmb_pressed = False
self.progressChanged.emit()
def mouseMoveEvent(self, event):
if self.lmb_pressed:
xpos = event.pos().x()
self.set_value_from_cursor(xpos)
self.progressChanging.emit()
def paintEvent(self, event):
painter = QtGui.QPainter()
painter.drawLine(10, 0, 10, 10)
QtGui.QProgressBar.paintEvent(self, event)
# DEMO
class Example(QtGui.QWidget):
def __init__(self):
super(Example, self).__init__()
self.initUI()
def initUI(self):
self.ui_progress = QProgressBarPro()
self.ui_progress.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
self.ui_progress.setValue(10)
gdl = QtGui.QVBoxLayout()
gdl.addWidget(self.ui_progress)
self.setLayout(gdl)
self.resize(300, 300)
self.setWindowTitle('Tooltips')
self.show()
def main():
app = QtGui.QApplication(sys.argv)
ex = Example()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
