from PyQt5.QtCore import Qt, pyqtSignal
from PyQt5.QtWidgets import (
QWidget, QHBoxLayout, QPushButton, QComboBox, QSizePolicy
)
class FilterWidget(QWidget):
filterBtnClicked = pyqtSignal(str)
def __init__(self, parent=None):
super(FilterWidget, self).__init__(parent)
self.init_ui()
def init_ui(self):
layout = QHBoxLayout(self)
self.filter_combo_box = QComboBox()
self.filter_combo_box.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Minimum)
self.filter_combo_box.setEditable(True)
self.filter_combo_box.setMaxVisibleItems(25)
self.filter_combo_box.setMaximumSize(440, 24)
self.filter_combo_box.setMinimumSize(220, 24)
self.filter_combo_box.keyPressEvent = self.on_filter_combo_box_key_pressed
layout.addWidget(self.filter_combo_box)
self.filter_btn = QPushButton("Filter", self)
self.filter_btn.clicked.connect(self.on_filter_btn_clicked)
self.filter_btn.setMinimumSize(40, 24)
self.filter_btn.setMaximumSize(40, 24)
layout.addWidget(self.filter_btn)
self.setMaximumSize(500, 40)
def set_sample_filters(self, filters):
for f in filters:
self.filter_combo_box.addItem(f)
def add_sample_filter(self, sample_filter):
self.filter_combo_box.addItem(sample_filter)
def on_filter_btn_clicked(self):
self.filterBtnClicked.emit(self.filter_combo_box.currentText())
def on_filter_combo_box_key_pressed(self, event):
"""Checks if enter is pressed on filterEdit"""
key = event.key()
if key in (Qt.Key_Return, Qt.Key_Enter):
self.on_filter_btn_clicked()
QComboBox.keyPressEvent(self.filter_combo_box, event)
