Sat, 10 Apr 2021 18:38:27 +0200
Applied some more code simplifications suggested by the new Simplify checker (super(Foo, self) => super()).
# -*- coding: utf-8 -*- # Copyright (c) 2012 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> # """ Module implementing the search box for the shell and log viewer. """ from PyQt5.QtCore import pyqtSlot, pyqtSignal, Qt from PyQt5.QtWidgets import QWidget, QSpacerItem, QSizePolicy import UI.PixmapCache class SearchWidget(QWidget): """ Class implementing the search box for the shell and log viewer. @signal searchNext(text, caseSensitive, wholeWord, regexp) emitted when the user pressed the next button (string, boolean, boolean) @signal searchPrevious(text, caseSensitive, wholeWord, regexp) emitted when the user pressed the previous button (string, boolean, boolean) """ searchNext = pyqtSignal(str, bool, bool, bool) searchPrevious = pyqtSignal(str, bool, bool, bool) def __init__(self, mainWindow, parent=None, spacer=True, showLine=False): """ Constructor @param mainWindow reference to the main window @type QWidget @param parent reference to the parent widget @type QWidget @param spacer flag indicating to add a vertical spacer to the main layout @type bool @param showLine flag indicating to show all widget in one row @type bool """ super().__init__(parent) if showLine: from .Ui_SearchWidgetLine import Ui_SearchWidgetLine self.__ui = Ui_SearchWidgetLine() else: from .Ui_SearchWidget import Ui_SearchWidget self.__ui = Ui_SearchWidget() self.__ui.setupUi(self) if not showLine: if spacer: spacerItem = QSpacerItem( 20, 1, QSizePolicy.Policy.Minimum, QSizePolicy.Policy.Expanding ) self.__ui.verticalLayout.addItem(spacerItem) else: # change the size policy of the search combo if the spacer is # not wanted, i.e. it is below the to be searched widget sizePolicy = self.__ui.findtextCombo.sizePolicy() sizePolicy.setHorizontalPolicy(QSizePolicy.Policy.Expanding) self.__ui.findtextCombo.setSizePolicy(sizePolicy) self.__mainWindow = mainWindow self.__findBackwards = True self.__ui.closeButton.setIcon( UI.PixmapCache.getIcon("close")) self.__ui.findPrevButton.setIcon( UI.PixmapCache.getIcon("1leftarrow")) self.__ui.findNextButton.setIcon( UI.PixmapCache.getIcon("1rightarrow")) self.findHistory = [] self.__ui.findtextCombo.setCompleter(None) self.__ui.findtextCombo.lineEdit().returnPressed.connect( self.__findByReturnPressed) msh = self.minimumSizeHint() self.resize(max(self.width(), msh.width()), msh.height()) @pyqtSlot() def on_closeButton_clicked(self): """ Private slot to close the widget. """ self.close() def keyPressEvent(self, event): """ Protected slot to handle key press events. @param event reference to the key press event (QKeyEvent) """ if event.key() == Qt.Key.Key_Escape: self.__mainWindow.setFocus(Qt.FocusReason.ActiveWindowFocusReason) event.accept() self.close() @pyqtSlot() def on_findNextButton_clicked(self): """ Private slot to find the next occurrence. """ txt = self.__ui.findtextCombo.currentText() if not txt and not self.isVisible(): self.showFind() return self.__findBackwards = False # This moves any previous occurrence of this statement to the head # of the list and updates the combobox if txt in self.findHistory: self.findHistory.remove(txt) self.findHistory.insert(0, txt) self.__ui.findtextCombo.clear() self.__ui.findtextCombo.addItems(self.findHistory) self.searchNext.emit( txt, self.__ui.caseCheckBox.isChecked(), self.__ui.wordCheckBox.isChecked(), self.__ui.regexpCheckBox.isChecked(), ) @pyqtSlot() def on_findPrevButton_clicked(self): """ Private slot to find the previous occurrence. """ txt = self.__ui.findtextCombo.currentText() if not txt and not self.isVisible(): self.showFind() return self.__findBackwards = True # This moves any previous occurrence of this statement to the head # of the list and updates the combobox if txt in self.findHistory: self.findHistory.remove(txt) self.findHistory.insert(0, txt) self.__ui.findtextCombo.clear() self.__ui.findtextCombo.addItems(self.findHistory) self.searchPrevious.emit( txt, self.__ui.caseCheckBox.isChecked(), self.__ui.wordCheckBox.isChecked(), self.__ui.regexpCheckBox.isChecked(), ) @pyqtSlot(str) def on_findtextCombo_editTextChanged(self, txt): """ Private slot to enable/disable the find buttons. @param txt text of the combobox (string) """ self.__setSearchButtons(txt != "") def __setSearchButtons(self, enabled): """ Private slot to set the state of the search buttons. @param enabled flag indicating the state (boolean) """ self.__ui.findPrevButton.setEnabled(enabled) self.__ui.findNextButton.setEnabled(enabled) def __findByReturnPressed(self): """ Private slot to handle the returnPressed signal of the findtext combobox. """ if self.__findBackwards: self.on_findPrevButton_clicked() else: self.on_findNextButton_clicked() def showFind(self, txt=""): """ Public method to display this widget. @param txt text to be shown in the combo (string) """ self.__ui.findtextCombo.clear() self.__ui.findtextCombo.addItems(self.findHistory) self.__ui.findtextCombo.setEditText(txt) self.__ui.findtextCombo.setFocus() self.__setSearchButtons(txt != "") self.show() def searchStringFound(self, found): """ Public slot to indicate that the search string was found. @param found flag indicating success (boolean) """ if found: self.__ui.statusLabel.clear() else: txt = self.__ui.findtextCombo.currentText() self.__ui.statusLabel.setText( self.tr("'{0}' was not found.").format(txt))