--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/UI/SearchWidget.py Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,218 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2012 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the search box for the shell, terminal and log viewer.
+"""
+
+from __future__ import unicode_literals
+
+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, terminal 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,
+ hideRegExp=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
+ @param hideRegExp flag indicating to hide the Regexp checkbox
+ @type bool
+ """
+ super(SearchWidget, self).__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 hideRegExp:
+ self.__ui.regexpCheckBox.setChecked(False)
+ self.__ui.regexpCheckBox.hide()
+
+ if not showLine:
+ if spacer:
+ spacerItem = QSpacerItem(
+ 20, 1, QSizePolicy.Minimum, QSizePolicy.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.Expanding)
+ self.__ui.findtextCombo.setSizePolicy(sizePolicy)
+
+ self.__mainWindow = mainWindow
+ self.__findBackwards = True
+
+ self.__ui.closeButton.setIcon(
+ UI.PixmapCache.getIcon("close.png"))
+ self.__ui.findPrevButton.setIcon(
+ UI.PixmapCache.getIcon("1leftarrow.png"))
+ self.__ui.findNextButton.setIcon(
+ UI.PixmapCache.getIcon("1rightarrow.png"))
+
+ 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_Escape:
+ self.__mainWindow.setFocus(Qt.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))
