50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
from PyQt5.QtCore import QTimer, pyqtSignal
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from PyQt5.QtWidgets import QLineEdit
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"""
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MusicTable.py holds a variable called self.search_string
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MusicTable.py had a function called load_music_table(), which loads data
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from the SQLite database to the QTableView. load_music_table()
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checks for the self.search_string
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in main.py, on self.lineEditSearch.textChanged(),
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this updates the self.search_string in MusicTable.py
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in MusicTable.py, when Ctrl+F is pressed, the line edit gets hidden or visible
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"""
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class SearchLineEdit(QLineEdit):
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textTypedSignal = pyqtSignal(str)
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def __init__(self, parent=None):
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super().__init__(parent)
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self.setVisible(False)
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self.timer = QTimer(self)
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self.timer.setSingleShot(True)
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self.timer.timeout.connect(self.on_typing_stopped)
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self.textChanged.connect(self.on_text_changed)
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def toggle_visibility(self) -> bool:
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"""
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Returns true if visible
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false if hidden
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This is used to bring focus back to the music table after toggling visibility
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"""
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if self.isHidden():
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self.setHidden(False)
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return True
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else:
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self.setHidden(True)
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self.setText(None)
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return False
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def on_text_changed(self):
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"""Reset a timer each time text is changed"""
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self.timer.start(1500)
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def on_typing_stopped(self):
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"""When timer reaches end, emit the text that is currently entered"""
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self.textTypedSignal.emit(self.text())
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