Mercurial Repositories > eric / file comparison
comparison: UI/SearchWidget.py
UI/SearchWidget.py
- changeset 1823
- 21d988eaf1bf
- child 1830
- f2fccb8c2ab4
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| 1822:6ee4a434e64c | 1823:21d988eaf1bf |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2012 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the search box for the shel, terminal and log viewer. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import pyqtSlot, pyqtSignal, Qt | |
| 11 from PyQt4.QtGui import QWidget | |
| 12 | |
| 13 from .Ui_SearchWidget import Ui_SearchWidget | |
| 14 | |
| 15 import UI.PixmapCache | |
| 16 | |
| 17 | |
| 18 class SearchWidget(QWidget, Ui_SearchWidget): | |
| 19 """ | |
| 20 Class implementing the search box for the shel, terminal and log viewer. | |
| 21 | |
| 22 @signal searchNext(text, caseSensitive, wholeWord) emitted when the user pressed | |
| 23 the next button (string, boolean, boolean) | |
| 24 @signal searchPrevious(text, caseSensitive, wholeWord) emitted when the user pressed | |
| 25 the previous button (string, boolean, boolean) | |
| 26 """ | |
| 27 searchNext = pyqtSignal(str, bool, bool) | |
| 28 searchPrevious = pyqtSignal(str, bool, bool) | |
| 29 | |
| 30 def __init__(self, mainWindow, parent=None): | |
| 31 """ | |
| 32 Constructor | |
| 33 | |
| 34 @param parent reference to the parent widget (QWidget) | |
| 35 """ | |
| 36 super().__init__(parent) | |
| 37 self.setupUi(self) | |
| 38 | |
| 39 self.__mainWindow = mainWindow | |
| 40 self.__findBackwards = True | |
| 41 | |
| 42 self.closeButton.setIcon(UI.PixmapCache.getIcon("close.png")) | |
| 43 self.findPrevButton.setIcon(UI.PixmapCache.getIcon("1leftarrow.png")) | |
| 44 self.findNextButton.setIcon(UI.PixmapCache.getIcon("1rightarrow.png")) | |
| 45 | |
| 46 self.findHistory = [] | |
| 47 | |
| 48 self.findtextCombo.lineEdit().returnPressed.connect(self.__findByReturnPressed) | |
| 49 | |
| 50 @pyqtSlot() | |
| 51 def on_closeButton_clicked(self): | |
| 52 """ | |
| 53 Private slot to close the widget. | |
| 54 """ | |
| 55 self.close() | |
| 56 | |
| 57 def keyPressEvent(self, event): | |
| 58 """ | |
| 59 Protected slot to handle key press events. | |
| 60 | |
| 61 @param event reference to the key press event (QKeyEvent) | |
| 62 """ | |
| 63 if event.key() == Qt.Key_Escape: | |
| 64 self.__mainWindow.setFocus(Qt.ActiveWindowFocusReason) | |
| 65 event.accept() | |
| 66 self.close() | |
| 67 | |
| 68 @pyqtSlot() | |
| 69 def on_findNextButton_clicked(self): | |
| 70 """ | |
| 71 Private slot to find the next occurrence. | |
| 72 """ | |
| 73 txt = self.findtextCombo.currentText() | |
| 74 self.__findBackwards = False | |
| 75 | |
| 76 # This moves any previous occurrence of this statement to the head | |
| 77 # of the list and updates the combobox | |
| 78 if txt in self.findHistory: | |
| 79 self.findHistory.remove(txt) | |
| 80 self.findHistory.insert(0, txt) | |
| 81 self.findtextCombo.clear() | |
| 82 self.findtextCombo.addItems(self.findHistory) | |
| 83 | |
| 84 self.searchNext.emit(txt, | |
| 85 self.caseCheckBox.isChecked(), | |
| 86 self.wordCheckBox.isChecked()) | |
| 87 | |
| 88 @pyqtSlot() | |
| 89 def on_findPrevButton_clicked(self): | |
| 90 """ | |
| 91 Private slot to find the previous occurrence. | |
| 92 """ | |
| 93 txt = self.findtextCombo.currentText() | |
| 94 self.__findBackwards = True | |
| 95 | |
| 96 # This moves any previous occurrence of this statement to the head | |
| 97 # of the list and updates the combobox | |
| 98 if txt in self.findHistory: | |
| 99 self.findHistory.remove(txt) | |
| 100 self.findHistory.insert(0, txt) | |
| 101 self.findtextCombo.clear() | |
| 102 self.findtextCombo.addItems(self.findHistory) | |
| 103 | |
| 104 self.searchPrevious.emit(txt, | |
| 105 self.caseCheckBox.isChecked(), | |
| 106 self.wordCheckBox.isChecked()) | |
| 107 | |
| 108 @pyqtSlot(str) | |
| 109 def on_findtextCombo_editTextChanged(self, txt): | |
| 110 """ | |
| 111 Private slot to enable/disable the find buttons. | |
| 112 | |
| 113 @param txt text of the combobox (string) | |
| 114 """ | |
| 115 self.__setSearchButtons(txt != "") | |
| 116 | |
| 117 def __setSearchButtons(self, enabled): | |
| 118 """ | |
| 119 Private slot to set the state of the search buttons. | |
| 120 | |
| 121 @param enabled flag indicating the state (boolean) | |
| 122 """ | |
| 123 self.findPrevButton.setEnabled(enabled) | |
| 124 self.findNextButton.setEnabled(enabled) | |
| 125 | |
| 126 def __findByReturnPressed(self): | |
| 127 """ | |
| 128 Private slot to handle the returnPressed signal of the findtext combobox. | |
| 129 """ | |
| 130 if self.__findBackwards: | |
| 131 self.on_findPrevButton_clicked() | |
| 132 else: | |
| 133 self.on_findNextButton_clicked() | |
| 134 | |
| 135 def showFind(self, txt=""): | |
| 136 """ | |
| 137 Public method to display this widget. | |
| 138 | |
| 139 @param txt text to be shown in the combo (string) | |
| 140 """ | |
| 141 self.findtextCombo.clear() | |
| 142 self.findtextCombo.addItems(self.findHistory) | |
| 143 self.findtextCombo.setEditText(txt) | |
| 144 self.findtextCombo.setFocus() | |
| 145 | |
| 146 self.__setSearchButtons(txt != "") | |
| 147 | |
| 148 self.show() |
