71 lines
2.1 KiB
Python
71 lines
2.1 KiB
Python
import sys
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from functools import partial
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from PyQt5.QtWidgets import (
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QApplication, QWidget, QListWidget, QListWidgetItem,
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QPushButton, QLabel, QHBoxLayout, QVBoxLayout
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)
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class ListItemWidget(QWidget):
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def __init__(self, text, index, on_start, on_stop):
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super().__init__()
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self.text = text
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self.index = index
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layout = QHBoxLayout(self)
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label = QLabel(text)
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layout.addWidget(label)
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layout.addStretch() # schiebt die Buttons nach rechts
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btn1 = QPushButton("Start")
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btn2 = QPushButton("Stop")
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# Variante A: partial – übergibt index (und ignoriert das Qt-"checked")
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btn1.clicked.connect(partial(on_start, index))
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btn2.clicked.connect(partial(on_stop, index))
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# Variante B (gleichwertig): lambda
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# btn1.clicked.connect(lambda checked=False, i=index: on_start(i))
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# btn2.clicked.connect(lambda checked=False, i=index: on_stop(i))
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layout.addWidget(btn1)
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layout.addWidget(btn2)
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layout.setContentsMargins(5, 2, 5, 2)
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class MainWindow(QWidget):
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def __init__(self):
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super().__init__()
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self.setWindowTitle("Liste mit 2 Köpfen")
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self.resize(360, 280)
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main_layout = QVBoxLayout(self)
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self.list_widget = QListWidget()
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main_layout.addWidget(self.list_widget)
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# Beispiel-Daten
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for i in range(5):
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self.add_list_item(f"Eintrag {i+1}", i+1, self.handle_start, self.handle_stop)
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def add_list_item(self, text, index, btn1f, btn2f):
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item = QListWidgetItem()
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widget = ListItemWidget(text, index, btn1f, btn2f)
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item.setSizeHint(widget.sizeHint())
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self.list_widget.addItem(item)
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self.list_widget.setItemWidget(item, widget)
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# Die Aktionen, die beim Klick ausgeführt werden sollen
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def handle_start(self, index):
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print(f"Start gedrückt bei Eintrag {index}")
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def handle_stop(self, index):
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print(f"Stop gedrückt bei Eintrag {index}")
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def startGUI():
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app = QApplication(sys.argv)
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w = MainWindow()
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w.show()
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sys.exit(app.exec_()) |