Mercurial Repositories > eric / file comparison
comparison: Debugger/CallTraceViewer.py
Debugger/CallTraceViewer.py
- changeset 2170
- f4e0f6133ace
- child 2171
- c7dd548d67d8
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| 2169:a890aab08ae4 | 2170:f4e0f6133ace |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2012 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the Call Trace viewer widget. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import pyqtSlot, pyqtSignal | |
| 11 from PyQt4.QtGui import QWidget, QTreeWidgetItem | |
| 12 | |
| 13 from .Ui_CallTraceViewer import Ui_CallTraceViewer | |
| 14 | |
| 15 import UI.PixmapCache | |
| 16 import Preferences | |
| 17 | |
| 18 | |
| 19 class CallTraceViewer(QWidget, Ui_CallTraceViewer): | |
| 20 """ | |
| 21 Class implementing the Call Trace viewer widget. | |
| 22 | |
| 23 @signal sourceFile(str, int) emitted to show the source of a call/return point | |
| 24 """ | |
| 25 sourceFile = pyqtSignal(str, int) | |
| 26 | |
| 27 def __init__(self, debugServer, parent=None): | |
| 28 """ | |
| 29 Constructor | |
| 30 | |
| 31 @param parent reference to the parent widget (QWidget) | |
| 32 """ | |
| 33 super().__init__(parent) | |
| 34 self.setupUi(self) | |
| 35 | |
| 36 self.__dbs = debugServer | |
| 37 | |
| 38 self.startTraceButton.setIcon(UI.PixmapCache.getIcon("callTraceStart.png")) | |
| 39 self.stopTraceButton.setIcon(UI.PixmapCache.getIcon("callTraceStop.png")) | |
| 40 self.resizeButton.setIcon(UI.PixmapCache.getIcon("resizeColumns.png")) | |
| 41 self.clearButton.setIcon(UI.PixmapCache.getIcon("editDelete.png")) | |
| 42 self.saveButton.setIcon(UI.PixmapCache.getIcon("fileSave.png")) | |
| 43 | |
| 44 self.__headerItem = QTreeWidgetItem(["", self.trUtf8("From"), self.trUtf8("To")]) | |
| 45 self.__headerItem.setIcon(0, UI.PixmapCache.getIcon("callReturn.png")) | |
| 46 self.callTrace.setHeaderItem(self.__headerItem) | |
| 47 | |
| 48 self.__callStack = [] | |
| 49 | |
| 50 self.__entryFormat = "{0}:{1} ({2})" | |
| 51 | |
| 52 self.__callTraceEnabled = Preferences.toBool( | |
| 53 Preferences.Prefs.settings.value("CallTrace/Enabled", False)) | |
| 54 | |
| 55 if self.__callTraceEnabled: | |
| 56 self.stopTraceButton.setEnabled(False) | |
| 57 else: | |
| 58 self.startTraceButton.setEnabled(False) | |
| 59 | |
| 60 self.__dbs.callTraceInfo.connect(self.__addCallTraceInfo) | |
| 61 | |
| 62 @pyqtSlot() | |
| 63 def on_startTraceButton_clicked(self): | |
| 64 """ | |
| 65 Private slot to start call tracing. | |
| 66 """ | |
| 67 self.__dbs.setCallTraceEnabled(True) | |
| 68 self.stopTraceButton.setEnabled(True) | |
| 69 self.startTraceButton.setEnabled(False) | |
| 70 Preferences.Prefs.settings.setValue("CallTrace/Enabled", True) | |
| 71 | |
| 72 @pyqtSlot() | |
| 73 def on_stopTraceButton_clicked(self): | |
| 74 """ | |
| 75 Private slot to start call tracing. | |
| 76 """ | |
| 77 self.__dbs.setCallTraceEnabled(False) | |
| 78 self.stopTraceButton.setEnabled(False) | |
| 79 self.startTraceButton.setEnabled(True) | |
| 80 Preferences.Prefs.settings.setValue("CallTrace/Enabled", False) | |
| 81 | |
| 82 @pyqtSlot() | |
| 83 def on_resizeButton_clicked(self): | |
| 84 """ | |
| 85 Private slot to resize the columns of the call trace to their contents. | |
| 86 """ | |
| 87 for column in range(self.callTrace.columnCount()): | |
| 88 self.callTrace.resizeColumnToContents(column) | |
| 89 | |
| 90 @pyqtSlot() | |
| 91 def on_clearButton_clicked(self): | |
| 92 """ | |
| 93 Private slot to clear the call trace. | |
| 94 """ | |
| 95 self.clear() | |
| 96 | |
| 97 @pyqtSlot() | |
| 98 def on_saveButton_clicked(self): | |
| 99 """ | |
| 100 Slot documentation goes here. | |
| 101 """ | |
| 102 # TODO: not implemented yet | |
| 103 raise NotImplementedError | |
| 104 | |
| 105 @pyqtSlot(QTreeWidgetItem, int) | |
| 106 def on_callTrace_itemDoubleClicked(self, item, column): | |
| 107 """ | |
| 108 Slot documentation goes here. | |
| 109 """ | |
| 110 # TODO: not implemented yet | |
| 111 raise NotImplementedError | |
| 112 | |
| 113 def clear(self): | |
| 114 """ | |
| 115 Public slot to clear the call trace info. | |
| 116 """ | |
| 117 self.callTrace.clear() | |
| 118 self.__callStack = [] | |
| 119 | |
| 120 def __addCallTraceInfo(self, isCall, fromFile, fromLine, fromFunction, | |
| 121 toFile, toLine, toFunction): | |
| 122 """ | |
| 123 Private method to add an entry to the call trace viewer. | |
| 124 | |
| 125 @param isCall flag indicating a 'call' (boolean) | |
| 126 @param fromFile name of the originating file (string) | |
| 127 @param fromLine line number in the originating file (string) | |
| 128 @param fromFunction name of the originating function (string) | |
| 129 @param toFile name of the target file (string) | |
| 130 @param toLine line number in the target file (string) | |
| 131 @param toFunction name of the target function (string) | |
| 132 """ | |
| 133 if isCall: | |
| 134 icon = UI.PixmapCache.getIcon("forward.png") | |
| 135 else: | |
| 136 icon = UI.PixmapCache.getIcon("back.png") | |
| 137 parentItem = self.__callStack[-1] if self.__callStack else self.callTrace | |
| 138 | |
| 139 itm = QTreeWidgetItem(parentItem, ["", | |
| 140 self.__entryFormat.format(fromFile, fromLine, fromFunction), | |
| 141 self.__entryFormat.format(toFile, toLine, toFunction)]) | |
| 142 itm.setIcon(0, icon) | |
| 143 itm.setExpanded(True) | |
| 144 | |
| 145 if isCall: | |
| 146 self.__callStack.append(itm) | |
| 147 else: | |
| 148 self.__callStack.pop(-1) | |
| 149 | |
| 150 def isCallTraceEnabled(self): | |
| 151 """ | |
| 152 Public method to get the state of the call trace function. | |
| 153 | |
| 154 @return flag indicating the state of the call trace function (boolean) | |
| 155 """ | |
| 156 return self.__callTraceEnabled |
