Mercurial Repositories > eric / file comparison
comparison: src/eric7/HexEdit/HexEditGotoWidget.py
src/eric7/HexEdit/HexEditGotoWidget.py
- branch
- eric7
- changeset 9209
- b99e7fd55fd3
- parent 8881
- 54e42bc2437a
- child 9221
- bf71ee032bb4
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| 9208:3fc8dfeb6ebe | 9209:b99e7fd55fd3 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2016 - 2022 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a movement (goto) widget for the hex editor. | |
| 8 """ | |
| 9 | |
| 10 from PyQt6.QtCore import pyqtSlot, Qt, QRegularExpression | |
| 11 from PyQt6.QtGui import QRegularExpressionValidator | |
| 12 from PyQt6.QtWidgets import QWidget | |
| 13 | |
| 14 from .Ui_HexEditGotoWidget import Ui_HexEditGotoWidget | |
| 15 | |
| 16 import UI.PixmapCache | |
| 17 import Globals | |
| 18 | |
| 19 | |
| 20 class HexEditGotoWidget(QWidget, Ui_HexEditGotoWidget): | |
| 21 """ | |
| 22 Class implementing a movement (goto) widget for the hex editor. | |
| 23 """ | |
| 24 def __init__(self, editor, parent=None): | |
| 25 """ | |
| 26 Constructor | |
| 27 | |
| 28 @param editor reference to the hex editor widget | |
| 29 @type HexEditWidget | |
| 30 @param parent reference to the parent widget | |
| 31 @type QWidget | |
| 32 """ | |
| 33 super().__init__(parent) | |
| 34 self.setupUi(self) | |
| 35 | |
| 36 self.__editor = editor | |
| 37 | |
| 38 # keep this in sync with the logic in on_gotoButton_clicked() | |
| 39 self.__formatAndValidators = { | |
| 40 "hex": (self.tr("Hex"), QRegularExpressionValidator( | |
| 41 QRegularExpression("[0-9a-f:]*"))), | |
| 42 "dec": (self.tr("Dec"), QRegularExpressionValidator( | |
| 43 QRegularExpression("[0-9]*"))), | |
| 44 } | |
| 45 formatOrder = ["hex", "dec"] | |
| 46 | |
| 47 self.__currentFormat = "" | |
| 48 | |
| 49 self.closeButton.setIcon(UI.PixmapCache.getIcon("close")) | |
| 50 | |
| 51 for dataFormat in formatOrder: | |
| 52 formatStr, validator = self.__formatAndValidators[dataFormat] | |
| 53 self.formatCombo.addItem(formatStr, dataFormat) | |
| 54 | |
| 55 self.formatCombo.setCurrentIndex(0) | |
| 56 | |
| 57 @pyqtSlot() | |
| 58 def on_closeButton_clicked(self): | |
| 59 """ | |
| 60 Private slot to close the widget. | |
| 61 """ | |
| 62 self.__editor.setFocus(Qt.FocusReason.OtherFocusReason) | |
| 63 self.close() | |
| 64 | |
| 65 @pyqtSlot(int) | |
| 66 def on_formatCombo_currentIndexChanged(self, idx): | |
| 67 """ | |
| 68 Private slot to handle a selection of the format. | |
| 69 | |
| 70 @param idx index of the selected entry | |
| 71 @type int | |
| 72 """ | |
| 73 if idx >= 0: | |
| 74 dataFormat = self.formatCombo.itemData(idx) | |
| 75 | |
| 76 if dataFormat != self.__currentFormat: | |
| 77 txt = self.offsetEdit.text() | |
| 78 newTxt = self.__convertText( | |
| 79 txt, self.__currentFormat, dataFormat) | |
| 80 self.__currentFormat = dataFormat | |
| 81 | |
| 82 self.offsetEdit.setValidator( | |
| 83 self.__formatAndValidators[dataFormat][1]) | |
| 84 | |
| 85 self.offsetEdit.setText(newTxt) | |
| 86 | |
| 87 @pyqtSlot(str) | |
| 88 def on_offsetEdit_textChanged(self, offset): | |
| 89 """ | |
| 90 Private slot handling a change of the entered offset. | |
| 91 | |
| 92 @param offset entered offset | |
| 93 @type str | |
| 94 """ | |
| 95 self.gotoButton.setEnabled(bool(offset)) | |
| 96 | |
| 97 @pyqtSlot() | |
| 98 def on_gotoButton_clicked(self): | |
| 99 """ | |
| 100 Private slot to move the cursor and extend the selection. | |
| 101 """ | |
| 102 dataFormat = self.formatCombo.itemData(self.formatCombo.currentIndex()) | |
| 103 if dataFormat == "hex": | |
| 104 offset = self.offsetEdit.text().replace(":", "") | |
| 105 # get rid of ':' address separators | |
| 106 offset = int(offset, 16) | |
| 107 else: | |
| 108 offset = int(self.offsetEdit.text(), 10) | |
| 109 | |
| 110 fromCursor = self.cursorCheckBox.isChecked() | |
| 111 backwards = self.backCheckBox.isChecked() | |
| 112 extendSelection = self.selectionCheckBox.isChecked() | |
| 113 | |
| 114 self.__editor.goto(offset, fromCursor=fromCursor, backwards=backwards, | |
| 115 extendSelection=extendSelection) | |
| 116 | |
| 117 def show(self): | |
| 118 """ | |
| 119 Public slot to show the widget. | |
| 120 """ | |
| 121 self.offsetEdit.selectAll() | |
| 122 self.offsetEdit.setFocus() | |
| 123 super().show() | |
| 124 | |
| 125 def reset(self): | |
| 126 """ | |
| 127 Public slot to reset the input widgets. | |
| 128 """ | |
| 129 self.offsetEdit.clear() | |
| 130 self.formatCombo.setCurrentIndex(0) | |
| 131 self.cursorCheckBox.setChecked(False) | |
| 132 self.backCheckBox.setChecked(False) | |
| 133 self.selectionCheckBox.setChecked(False) | |
| 134 | |
| 135 def keyPressEvent(self, event): | |
| 136 """ | |
| 137 Protected slot to handle key press events. | |
| 138 | |
| 139 @param event reference to the key press event | |
| 140 @type QKeyEvent | |
| 141 """ | |
| 142 if event.key() == Qt.Key.Key_Escape: | |
| 143 self.close() | |
| 144 | |
| 145 def __convertText(self, txt, oldFormat, newFormat): | |
| 146 """ | |
| 147 Private method to convert text from one format into another. | |
| 148 | |
| 149 @param txt text to be converted | |
| 150 @type str | |
| 151 @param oldFormat current format of the text | |
| 152 @type str | |
| 153 @param newFormat format to convert to | |
| 154 @type str | |
| 155 @return converted text | |
| 156 @rtype str | |
| 157 """ | |
| 158 if txt and oldFormat and newFormat and oldFormat != newFormat: | |
| 159 # step 1: convert the text to an integer using the old format | |
| 160 if oldFormat == "hex": | |
| 161 txt = txt.replace(":", "") # get rid of ':' address separators | |
| 162 index = int(txt, 16) | |
| 163 else: | |
| 164 index = int(txt, 10) | |
| 165 | |
| 166 # step 2: convert the integer to text using the new format | |
| 167 if newFormat == "hex": | |
| 168 txt = "{0:x}".format(index) | |
| 169 txt = Globals.strGroup(txt, ":", 4) | |
| 170 else: | |
| 171 txt = "{0:d}".format(index) | |
| 172 | |
| 173 return txt |
