--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/QScintilla/Shell.py Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,1435 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2002 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a graphical Python shell.
+"""
+
+import sys
+import re
+
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+from PyQt4.Qsci import QsciScintilla
+
+from E4Gui.E4Application import e4App
+
+import Lexers
+from QsciScintillaCompat import QsciScintillaCompat, QSCINTILLA_VERSION
+
+import Preferences
+import UI.PixmapCache
+from Utilities import toUnicode
+
+from Debugger.DebugClientCapabilities import HasShell, HasCompleter
+
+from ShellHistoryDialog import ShellHistoryDialog
+
+class Shell(QsciScintillaCompat):
+ """
+ Class implementing a graphical Python shell.
+
+ A user can enter commands that are executed in the remote
+ Python interpreter.
+ """
+ def __init__(self, dbs, vm, parent = None):
+ """
+ Constructor
+
+ @param dbs reference to the debug server object
+ @param vm reference to the viewmanager object
+ @param parent parent widget (QWidget)
+ """
+ QsciScintillaCompat.__init__(self, parent)
+ self.setUtf8(True)
+
+ self.vm = vm
+
+ self.linesepRegExp = r"\r\n|\n|\r"
+
+ self.passive = Preferences.getDebugger("PassiveDbgEnabled")
+ if self.passive:
+ self.setWindowTitle(self.trUtf8('Shell - Passive'))
+ else:
+ self.setWindowTitle(self.trUtf8('Shell'))
+
+ self.setWhatsThis(self.trUtf8(
+ """<b>The Shell Window</b>"""
+ """<p>This is simply an interpreter running in a window. The"""
+ """ interpreter is the one that is used to run the program being debugged."""
+ """ This means that you can execute any command while the program"""
+ """ being debugged is running.</p>"""
+ """<p>You can use the cursor keys while entering commands. There is also a"""
+ """ history of commands that can be recalled using the up and down cursor"""
+ """ keys. Pressing the up or down key after some text has been entered will"""
+ """ start an incremental search.</p>"""
+ """<p>The shell has some special commands. 'reset' kills the shell"""
+ """ and starts a new one. 'clear' clears the display of the shell window."""
+ """ 'start' is used to switch the shell language and must be followed by"""
+ """ a supported language. Supported languages are listed by the 'languages'"""
+ """ command. These commands (except 'languages') are available through the"""
+ """ context menu as well.</p>"""
+ """<p>Pressing the Tab key after some text has been entered will show"""
+ """ a list of possible commandline completions. The relevant entry may"""
+ """ be selected from this list. If only one entry is available, this will"""
+ """ inserted automatically.</p>"""
+ """<p>In passive debugging mode the shell is only available after the"""
+ """ program to be debugged has connected to the IDE until it has finished."""
+ """ This is indicated by a different prompt and by an indication in the"""
+ """ window caption.</p>"""
+ ))
+
+ self.connect(self, SIGNAL('userListActivated(int, const QString)'),
+ self.__completionListSelected)
+
+ self.__showStdOutErr = Preferences.getShell("ShowStdOutErr")
+ if self.__showStdOutErr:
+ self.connect(dbs, SIGNAL('clientProcessStdout'), self.__writeStdOut)
+ self.connect(dbs, SIGNAL('clientProcessStderr'), self.__writeStdErr)
+ self.connect(dbs, SIGNAL('clientOutput'), self.__write)
+ self.connect(dbs, SIGNAL('clientStatement'), self.__clientStatement)
+ self.connect(dbs, SIGNAL('clientGone'), self.__initialise)
+ self.connect(dbs, SIGNAL('clientRawInput'), self.__raw_input)
+ self.connect(dbs, SIGNAL('clientBanner'), self.__writeBanner)
+ self.connect(dbs, SIGNAL('clientCompletionList'), self.__showCompletions)
+ self.connect(dbs, SIGNAL('clientCapabilities'), self.__clientCapabilities)
+ self.connect(dbs, SIGNAL('clientException'), self.__clientError)
+ self.connect(dbs, SIGNAL('clientSyntaxError'), self.__clientError)
+ self.dbs = dbs
+
+ # Initialise instance variables.
+ self.__initialise()
+ self.prline = 0
+ self.prcol = 0
+ self.inDragDrop = False
+ self.lexer_ = None
+ self.completionText = ""
+
+ # Initialize history
+ self.historyLists = {}
+ self.maxHistoryEntries = Preferences.getShell("MaxHistoryEntries")
+ self.history = []
+ self.histidx = -1
+
+ self.clientType = ''
+
+ # clear QScintilla defined keyboard commands
+ # we do our own handling through the view manager
+ self.clearAlternateKeys()
+ self.clearKeys()
+ self.__actionsAdded = False
+
+ # Make sure we have prompts.
+ if self.passive:
+ sys.ps1 = self.trUtf8("Passive >>> ")
+ else:
+ try:
+ sys.ps1
+ except AttributeError:
+ sys.ps1 = ">>> "
+ try:
+ sys.ps2
+ except AttributeError:
+ sys.ps2 = "... "
+
+ if self.passive:
+ self.__getBanner()
+
+ # Create a little language context menu
+ self.lmenu = QMenu(self.trUtf8('Start'))
+ self.clientLanguages = self.dbs.getSupportedLanguages(shellOnly = True)
+ self.clientLanguages.sort()
+ for language in self.clientLanguages:
+ act = self.lmenu.addAction(language)
+ act.setData(QVariant(language))
+ self.connect(self.lmenu, SIGNAL("triggered(QAction *)"), self.__startDebugClient)
+
+ # Create the history context menu
+ self.hmenu = QMenu(self.trUtf8('History'))
+ self.hmenu.addAction(self.trUtf8('Select entry'), self.__selectHistory)
+ self.hmenu.addAction(self.trUtf8('Show'), self.__showHistory)
+ self.hmenu.addAction(self.trUtf8('Clear'), self.__clearHistory)
+
+ # Create a little context menu
+ self.menu = QMenu(self)
+ self.menu.addAction(self.trUtf8('Cut'), self.cut)
+ self.menu.addAction(self.trUtf8('Copy'), self.copy)
+ self.menu.addAction(self.trUtf8('Paste'), self.paste)
+ self.menu.addMenu(self.hmenu)
+ self.menu.addSeparator()
+ self.menu.addAction(self.trUtf8('Clear'), self.clear)
+ self.menu.addAction(self.trUtf8('Reset'), self.__reset)
+ self.menu.addAction(self.trUtf8('Reset and Clear'),
+ self.__resetAndClear)
+ self.menu.addSeparator()
+ self.menu.addMenu(self.lmenu)
+ self.menu.addSeparator()
+ self.menu.addAction(self.trUtf8("Configure..."), self.__configure)
+
+ self.__bindLexer()
+ self.__setTextDisplay()
+ self.__setMargin0()
+
+ # set the autocompletion and calltips function
+ self.__setAutoCompletion()
+ self.__setCallTips()
+
+ self.setWindowIcon(UI.PixmapCache.getIcon("eric.png"))
+
+ self.incrementalSearchString = ""
+ self.incrementalSearchActive = False
+
+ self.supportedEditorCommands = {
+ QsciScintilla.SCI_LINEDELETE : self.__clearCurrentLine,
+ QsciScintilla.SCI_TAB : self.__QScintillaTab,
+ QsciScintilla.SCI_NEWLINE : self.__QScintillaNewline,
+
+ QsciScintilla.SCI_DELETEBACK : self.__QScintillaDeleteBack,
+ QsciScintilla.SCI_CLEAR : self.__QScintillaDelete,
+ QsciScintilla.SCI_DELWORDLEFT : self.__QScintillaDeleteWordLeft,
+ QsciScintilla.SCI_DELWORDRIGHT : self.__QScintillaDeleteWordRight,
+ QsciScintilla.SCI_DELLINELEFT : self.__QScintillaDeleteLineLeft,
+ QsciScintilla.SCI_DELLINERIGHT : self.__QScintillaDeleteLineRight,
+
+ QsciScintilla.SCI_CHARLEFT : self.__QScintillaCharLeft,
+ QsciScintilla.SCI_CHARRIGHT : self.__QScintillaCharRight,
+ QsciScintilla.SCI_WORDLEFT : self.__QScintillaWordLeft,
+ QsciScintilla.SCI_WORDRIGHT : self.__QScintillaWordRight,
+ QsciScintilla.SCI_VCHOME : self.__QScintillaVCHome,
+ QsciScintilla.SCI_LINEEND : self.__QScintillaLineEnd,
+ QsciScintilla.SCI_LINEUP : self.__QScintillaLineUp,
+ QsciScintilla.SCI_LINEDOWN : self.__QScintillaLineDown,
+
+ QsciScintilla.SCI_PAGEUP : self.__QScintillaAutoCompletionCommand,
+ QsciScintilla.SCI_PAGEDOWN : self.__QScintillaAutoCompletionCommand,
+ QsciScintilla.SCI_CANCEL : self.__QScintillaAutoCompletionCommand,
+
+ QsciScintilla.SCI_CHARLEFTEXTEND : self.__QScintillaCharLeftExtend,
+ QsciScintilla.SCI_CHARRIGHTEXTEND : self.extendSelectionRight,
+ QsciScintilla.SCI_WORDLEFTEXTEND : self.__QScintillaWordLeftExtend,
+ QsciScintilla.SCI_WORDRIGHTEXTEND : self.extendSelectionWordRight,
+ QsciScintilla.SCI_VCHOMEEXTEND : self.__QScintillaVCHomeExtend,
+ QsciScintilla.SCI_LINEENDEXTEND : self.extendSelectionToEOL,
+ }
+
+ def closeShell(self):
+ """
+ Public method to shutdown the shell.
+ """
+ for key in self.historyLists.keys():
+ self.saveHistory(key)
+
+ def __bindLexer(self, language = 'Python'):
+ """
+ Private slot to set the lexer.
+
+ @param language lexer language to set (string)
+ """
+ self.language = language
+ if Preferences.getShell("SyntaxHighlightingEnabled"):
+ self.lexer_ = Lexers.getLexer(self.language, self)
+ else:
+ self.lexer_ = None
+
+ if self.lexer_ is None:
+ self.setLexer(None)
+ font = Preferences.getShell("MonospacedFont")
+ self.monospacedStyles(font)
+ return
+
+ # get the font for style 0 and set it as the default font
+ key = 'Scintilla/%s/style0/font' % self.lexer_.language()
+ fontVariant = Preferences.Prefs.settings.value(key)
+ if fontVariant.isValid():
+ fdesc = fontVariant.toStringList()
+ font = QFont(fdesc[0], int(fdesc[1]))
+ self.lexer_.setDefaultFont(font)
+ self.setLexer(self.lexer_)
+ self.lexer_.readSettings(Preferences.Prefs.settings, "Scintilla")
+
+ # initialize the lexer APIs settings
+ api = self.vm.getAPIsManager().getAPIs(self.language)
+ if api is not None:
+ api = api.getQsciAPIs()
+ if api is not None:
+ self.lexer_.setAPIs(api)
+
+ def __setMargin0(self):
+ """
+ Private method to configure margin 0.
+ """
+ # set the settings for all margins
+ self.setMarginsFont(Preferences.getShell("MarginsFont"))
+ self.setMarginsForegroundColor(Preferences.getEditorColour("MarginsForeground"))
+ self.setMarginsBackgroundColor(Preferences.getEditorColour("MarginsBackground"))
+
+ # set margin 0 settings
+ linenoMargin = Preferences.getShell("LinenoMargin")
+ self.setMarginLineNumbers(0, linenoMargin)
+ if linenoMargin:
+ self.setMarginWidth(0, ' ' + '8' * Preferences.getShell("LinenoWidth"))
+ else:
+ self.setMarginWidth(0, 0)
+
+ # disable margins 1 and 2
+ self.setMarginWidth(1, 0)
+ self.setMarginWidth(2, 0)
+
+ def __setTextDisplay(self):
+ """
+ Private method to configure the text display.
+ """
+ self.setTabWidth(Preferences.getEditor("TabWidth"))
+ if Preferences.getEditor("ShowWhitespace"):
+ self.setWhitespaceVisibility(QsciScintilla.WsVisible)
+ else:
+ self.setWhitespaceVisibility(QsciScintilla.WsInvisible)
+ self.setEolVisibility(Preferences.getEditor("ShowEOL"))
+ if Preferences.getEditor("BraceHighlighting"):
+ self.setBraceMatching(QsciScintilla.SloppyBraceMatch)
+ else:
+ self.setBraceMatching(QsciScintilla.NoBraceMatch)
+ self.setMatchedBraceForegroundColor(
+ Preferences.getEditorColour("MatchingBrace"))
+ self.setMatchedBraceBackgroundColor(
+ Preferences.getEditorColour("MatchingBraceBack"))
+ self.setUnmatchedBraceForegroundColor(
+ Preferences.getEditorColour("NonmatchingBrace"))
+ self.setUnmatchedBraceBackgroundColor(
+ Preferences.getEditorColour("NonmatchingBraceBack"))
+ if Preferences.getEditor("CustomSelectionColours"):
+ self.setSelectionBackgroundColor(\
+ Preferences.getEditorColour("SelectionBackground"))
+ else:
+ self.setSelectionBackgroundColor(\
+ QApplication.palette().color(QPalette.Highlight))
+ if Preferences.getEditor("ColourizeSelText"):
+ self.resetSelectionForegroundColor()
+ elif Preferences.getEditor("CustomSelectionColours"):
+ self.setSelectionForegroundColor(\
+ Preferences.getEditorColour("SelectionForeground"))
+ else:
+ self.setSelectionForegroundColor(\
+ QApplication.palette().color(QPalette.HighlightedText))
+ self.setSelectionToEol(Preferences.getEditor("ExtendSelectionToEol"))
+ self.setCaretForegroundColor(
+ Preferences.getEditorColour("CaretForeground"))
+ self.setCaretLineBackgroundColor(
+ Preferences.getEditorColour("CaretLineBackground"))
+ self.setCaretLineVisible(Preferences.getEditor("CaretLineVisible"))
+ self.caretWidth = Preferences.getEditor("CaretWidth")
+ self.setCaretWidth(self.caretWidth)
+ if Preferences.getShell("WrapEnabled"):
+ self.setWrapMode(QsciScintilla.WrapWord)
+ else:
+ self.setWrapMode(QsciScintilla.WrapNone)
+ self.useMonospaced = Preferences.getShell("UseMonospacedFont")
+ self.__setMonospaced(self.useMonospaced)
+
+ def __setMonospaced(self, on):
+ """
+ Private method to set/reset a monospaced font.
+
+ @param on flag to indicate usage of a monospace font (boolean)
+ """
+ if on:
+ f = Preferences.getShell("MonospacedFont")
+ self.monospacedStyles(f)
+ else:
+ if not self.lexer_:
+ self.clearStyles()
+ self.__setMargin0()
+ self.setFont(Preferences.getShell("MonospacedFont"))
+
+ self.useMonospaced = on
+
+ def __setAutoCompletion(self, language = 'Python'):
+ """
+ Private method to configure the autocompletion function.
+
+ @param language of the autocompletion set to set (string)
+ """
+ self.setAutoCompletionCaseSensitivity(
+ Preferences.getEditor("AutoCompletionCaseSensitivity"))
+ self.setAutoCompletionThreshold(-1)
+
+ self.racEnabled = Preferences.getShell("AutoCompletionEnabled")
+
+ def __setCallTips(self, language = 'Python'):
+ """
+ Private method to configure the calltips function.
+
+ @param language of the calltips set to set (string)
+ """
+ if Preferences.getShell("CallTipsEnabled"):
+ self.setCallTipsBackgroundColor(
+ Preferences.getEditorColour("CallTipsBackground"))
+ self.setCallTipsVisible(Preferences.getEditor("CallTipsVisible"))
+ calltipsStyle = Preferences.getEditor("CallTipsStyle")
+ if calltipsStyle == QsciScintilla.CallTipsNoContext:
+ self.setCallTipsStyle(QsciScintilla.CallTipsNoContext)
+ elif calltipsStyle == QsciScintilla.CallTipsNoAutoCompletionContext:
+ self.setCallTipsStyle(QsciScintilla.CallTipsNoAutoCompletionContext)
+ else:
+ self.setCallTipsStyle(QsciScintilla.CallTipsContext)
+ else:
+ self.setCallTipsStyle(QsciScintilla.CallTipsNone)
+
+ def setDebuggerUI(self, ui):
+ """
+ Public method to set the debugger UI.
+
+ @param ui reference to the debugger UI object (DebugUI)
+ """
+ self.connect(ui, SIGNAL('exceptionInterrupt'), self.__writePrompt)
+
+ def __initialise(self):
+ """
+ Private method to get ready for a new remote interpreter.
+ """
+ self.buff = ""
+ self.inContinue = False
+ self.inRawMode = False
+ self.echoInput = True
+ self.clientCapabilities = 0
+
+ def __clientCapabilities(self, cap, clType):
+ """
+ Private slot to handle the reporting of the clients capabilities.
+
+ @param cap client capabilities (integer)
+ @param clType type of the debug client (string)
+ """
+ self.clientCapabilities = cap
+ if clType != self.clientType:
+ self.clientType = clType
+ self.__bindLexer(clType)
+ self.__setMargin0()
+ self.__setAutoCompletion(clType)
+ self.__setCallTips(clType)
+ self.racEnabled = Preferences.getShell("AutoCompletionEnabled") and \
+ (cap & HasCompleter) > 0
+
+ if not self.historyLists.has_key(clType):
+ # load history list
+ self.loadHistory(clType)
+ self.history = self.historyLists[clType]
+ self.histidx = -1
+
+ def loadHistory(self, clientType):
+ """
+ Public method to load the history for the given client type.
+
+ @param clientType type of the debug client (string)
+ """
+ hVariant = Preferences.Prefs.settings.value("Shell/Histories/" + clientType)
+ if hVariant.isValid():
+ hl = hVariant.toStringList()
+ self.historyLists[clientType] = hl[-self.maxHistoryEntries:]
+ else:
+ self.historyLists[clientType] = []
+
+ def reloadHistory(self):
+ """
+ Public method to reload the history of the currently selected client type.
+ """
+ self.loadHistory(self.clientType)
+ self.history = self.historyLists[self.clientType]
+ self.histidx = -1
+
+ def saveHistory(self, clientType):
+ """
+ Public method to save the history for the given client type.
+
+ @param clientType type of the debug client (string)
+ """
+ if self.historyLists.has_key(clientType):
+ Preferences.Prefs.settings.setValue(\
+ "Shell/Histories/" + clientType, QVariant(self.historyLists[clientType]))
+
+ def getHistory(self, clientType):
+ """
+ Public method to get the history for the given client type.
+
+ @param clientType type of the debug client (string).
+ If it is None, the current history is returned.
+ @return reference to the history list (list of strings)
+ """
+ if clientType is None:
+ return self.history
+ elif clientType in self.historyLists:
+ return self.historyLists[clientType]
+ else:
+ return []
+
+ def __clearHistory(self):
+ """
+ Private slot to clear the current history.
+ """
+ self.history = []
+
+ def __selectHistory(self):
+ """
+ Private slot to select a history entry to execute.
+ """
+ cmd, ok = QInputDialog.getItem(\
+ self,
+ self.trUtf8("Select History"),
+ self.trUtf8("Select the history entry to execute (most recent shown last)."),
+ self.history,
+ 0, False)
+ if ok:
+ self.__insertHistory(cmd)
+
+ def __showHistory(self):
+ """
+ Private slot to show the shell history dialog.
+ """
+ dlg = ShellHistoryDialog(self.history, self.vm, self)
+ if dlg.exec_() == QDialog.Accepted:
+ self.historyLists[self.clientType] = dlg.getHistory()
+ self.history = self.historyLists[self.clientType]
+ self.histidx = -1
+
+ def getClientType(self):
+ """
+ Public slot to get the clients type.
+
+ @return client type (string)
+ """
+ return self.clientType
+
+ def __getBanner(self):
+ """
+ Private method to get the banner for the remote interpreter.
+
+ It requests the interpreter version and platform running on the
+ debug client side.
+ """
+ if self.passive:
+ self.__writeBanner('','','')
+ else:
+ self.dbs.remoteBanner()
+
+ def __writeBanner(self, version, platform, dbgclient):
+ """
+ Private method to write a banner with info from the debug client.
+
+ @param version interpreter version string (string)
+ @param platform platform of the remote interpreter (string)
+ @param dbgclient debug client variant used (string)
+ """
+ QsciScintillaCompat.clear(self)
+ if self.passive and not self.dbs.isConnected():
+ self.__write(self.trUtf8('Passive Debug Mode'))
+ self.__write(self.trUtf8('\nNot connected'))
+ else:
+ version = version.replace("#", self.trUtf8("No."))
+ if platform != "" and dbgclient != "":
+ self.__write(self.trUtf8('{0} on {1}, {2}')
+ .format(version, platform, dbgclient))
+ else:
+ self.__write(version)
+ self.__write('\n')
+
+ self.__write(sys.ps1)
+
+ def __writePrompt(self):
+ """
+ Private method to write the prompt.
+ """
+ self.__write(self.inContinue and sys.ps2 or sys.ps1)
+
+ def __clientStatement(self, more):
+ """
+ Private method to handle the response from the debugger client.
+
+ @param more flag indicating that more user input is required (boolean)
+ """
+ if not self.inRawMode:
+ self.inContinue = more
+ self.__writePrompt()
+ self.inCommandExecution = False
+
+ def __clientError(self):
+ """
+ Private method to handle an error in the client.
+ """
+ self.inCommandExecution = False
+ self.interruptCommandExecution = True
+ self.inContinue = False
+
+ def __getEndPos(self):
+ """
+ Private method to return the line and column of the last character.
+
+ @return tuple of two values (int, int) giving the line and column
+ """
+ line = self.lines() - 1
+ return (line, self.lineLength(line))
+
+ def __write(self, s):
+ """
+ Private method to display some text.
+
+ @param s text to be displayed (string)
+ """
+ line, col = self.__getEndPos()
+ self.setCursorPosition(line, col)
+ self.insert(toUnicode(s))
+ self.prline, self.prcol = self.getCursorPosition()
+ self.ensureCursorVisible()
+ self.ensureLineVisible(self.prline)
+
+ def __writeStdOut(self, s):
+ """
+ Private method to display some text with StdOut label.
+
+ @param s text to be displayed (string)
+ """
+ self.__write(self.trUtf8("StdOut: {0}").format(s))
+
+ def __writeStdErr(self, s):
+ """
+ Private method to display some text with StdErr label.
+
+ @param s text to be displayed (string)
+ """
+ self.__write(self.trUtf8("StdErr: {0}").format(s))
+
+ def __raw_input(self, s, echo):
+ """
+ Private method to handle raw input.
+
+ @param s prompt to be displayed (string)
+ @param echo Flag indicating echoing of the input (boolean)
+ """
+ self.setFocus()
+ self.inRawMode = True
+ self.echoInput = echo
+ self.__write(s)
+ line, col = self.__getEndPos()
+ self.setCursorPosition(line,col)
+ self.prompt = self.text(line)\
+ .replace(sys.ps1, "").replace(sys.ps2, "")
+ # move cursor to end of line
+ self.moveCursorToEOL()
+
+ def paste(self):
+ """
+ Reimplemented slot to handle the paste action.
+ """
+ lines = QApplication.clipboard().text()
+ self.executeLines(lines)
+
+ def __middleMouseButton(self):
+ """
+ Private method to handle the middle mouse button press.
+ """
+ lines = QApplication.clipboard().text(QClipboard.Selection)
+ self.executeLines(lines)
+
+ def executeLines(self, lines):
+ """
+ Public method to execute a set of lines as multiple commands.
+
+ @param lines multiple lines of text to be executed as single
+ commands (string)
+ """
+ for line in lines.splitlines(True):
+ if line.endswith("\r\n"):
+ fullline = True
+ cmd = line[:-2]
+ elif line.endswith("\r") or line.endswith("\n"):
+ fullline = True
+ cmd = line[:-1]
+ else:
+ fullline = False
+
+ self.__insertTextAtEnd(line)
+ if fullline:
+ self.__executeCommand(cmd)
+ if self.interruptCommandExecution:
+ self.__executeCommand("")
+ break
+
+ def __clearCurrentLine(self):
+ """
+ Private method to clear the line containing the cursor.
+ """
+ line, col = self.getCursorPosition()
+ if self.text(line).startswith(sys.ps1):
+ col = len(sys.ps1)
+ elif self.text(line).startswith(sys.ps2):
+ col = len(sys.ps2)
+ else:
+ col = 0
+ self.setCursorPosition(line, col)
+ self.deleteLineRight()
+
+ def __insertText(self, s):
+ """
+ Private method to insert some text at the current cursor position.
+
+ @param s text to be inserted (string)
+ """
+ line, col = self.getCursorPosition()
+ self.insertAt(s, line, col)
+ self.setCursorPosition(line, col + len(s))
+
+ def __insertTextAtEnd(self, s):
+ """
+ Private method to insert some text at the end of the command line.
+
+ @param s text to be inserted (string)
+ """
+ line, col = self.__getEndPos()
+ self.setCursorPosition(line, col)
+ self.insert(s)
+ self.prline, self.prcol = self.getCursorPosition()
+
+ def __insertTextNoEcho(self, s):
+ """
+ Private method to insert some text at the end of the buffer without echoing it.
+
+ @param s text to be inserted (string)
+ """
+ self.buff += s
+ self.prline, self.prcol = self.getCursorPosition()
+
+ def mousePressEvent(self, event):
+ """
+ Protected method to handle the mouse press event.
+
+ @param event the mouse press event (QMouseEvent)
+ """
+ self.setFocus()
+ if event.button() == Qt.MidButton:
+ self.__middleMouseButton()
+ else:
+ QsciScintillaCompat.mousePressEvent(self, event)
+
+ def editorCommand(self, cmd):
+ """
+ Public method to perform an editor command.
+
+ @param cmd the scintilla command to be performed
+ """
+ try:
+ self.supportedEditorCommands[cmd]()
+ except TypeError:
+ self.supportedEditorCommands[cmd](cmd)
+ except KeyError:
+ pass
+
+ def __isCursorOnLastLine(self):
+ """
+ Private method to check, if the cursor is on the last line.
+ """
+ cline, ccol = self.getCursorPosition()
+ return cline == self.lines() - 1
+
+ def keyPressEvent(self, ev):
+ """
+ Re-implemented to handle the user input a key at a time.
+
+ @param ev key event (QKeyEvent)
+ """
+ txt = ev.text()
+ key = ev.key()
+
+ # See it is text to insert.
+ if len(txt) and txt >= " ":
+ if not self.__isCursorOnLastLine():
+ line, col = self.__getEndPos()
+ self.setCursorPosition(line, col)
+ self.prline, self.prcol = self.getCursorPosition()
+ if self.echoInput:
+ ac = self.isListActive()
+ QsciScintillaCompat.keyPressEvent(self, ev)
+ self.incrementalSearchActive = True
+ if ac and \
+ self.racEnabled:
+ self.dbs.remoteCompletion(self.completionText + txt)
+ else:
+ self.__insertTextNoEcho(txt)
+ else:
+ ev.ignore()
+
+ def __QScintillaTab(self, cmd):
+ """
+ Private method to handle the Tab key.
+
+ @param cmd QScintilla command
+ """
+ if self.isListActive():
+ self.SendScintilla(cmd)
+ elif self.__isCursorOnLastLine():
+ line, index = self.getCursorPosition()
+ buf = self.text(line).replace(sys.ps1, "").replace(sys.ps2, "")
+ if self.inContinue and not buf[:index-len(sys.ps2)].strip():
+ self.SendScintilla(cmd)
+ elif self.racEnabled:
+ self.dbs.remoteCompletion(buf)
+
+ def __QScintillaLeftDeleteCommand(self, method):
+ """
+ Private method to handle a QScintilla delete command working to the left.
+
+ @param method shell method to execute
+ """
+ if self.__isCursorOnLastLine():
+ line, col = self.getCursorPosition()
+ db = 0
+ ac = self.isListActive()
+ oldLength = len(self.text(line))
+
+ if self.text(line).startswith(sys.ps1):
+ if col > len(sys.ps1):
+ method()
+ db = 1
+ elif self.text(line).startswith(sys.ps2):
+ if col > len(sys.ps2):
+ method()
+ db = 1
+ elif col > 0:
+ method()
+ db = 1
+ if db and ac and self.racEnabled and self.completionText:
+ delta = len(self.text(line)) - oldLength
+ self.dbs.remoteCompletion(self.completionText[:delta])
+
+ def __QScintillaDeleteBack(self):
+ """
+ Private method to handle the Backspace key.
+ """
+ self.__QScintillaLeftDeleteCommand(self.deleteBack)
+
+ def __QScintillaDeleteWordLeft(self):
+ """
+ Private method to handle the Delete Word Left command.
+ """
+ self.__QScintillaLeftDeleteCommand(self.deleteWordLeft)
+
+ def __QScintillaDelete(self):
+ """
+ Private method to handle the delete command.
+ """
+ if self.__isCursorOnLastLine():
+ if self.hasSelectedText():
+ lineFrom, indexFrom, lineTo, indexTo = self.getSelection()
+ if self.text(lineFrom).startswith(sys.ps1):
+ if indexFrom >= len(sys.ps1):
+ self.delete()
+ elif self.text(lineFrom).startswith(sys.ps2):
+ if indexFrom >= len(sys.ps2):
+ self.delete()
+ elif indexFrom >= 0:
+ self.delete()
+ else:
+ self.delete()
+
+ def __QScintillaDeleteLineLeft(self):
+ """
+ Private method to handle the Delete Line Left command.
+ """
+ if self.__isCursorOnLastLine():
+ if self.isListActive():
+ self.cancelList()
+
+ line, col = self.getCursorPosition()
+ if self.text(line).startswith(sys.ps1):
+ prompt = sys.ps1
+ elif self.text(line).startswith(sys.ps2):
+ prompt = sys.ps2
+ else:
+ prompt = ""
+
+ self.deleteLineLeft()
+ self.insertAt(prompt, line, 0)
+ self.setCursorPosition(line, len(prompt))
+
+ def __QScintillaNewline(self, cmd):
+ """
+ Private method to handle the Return key.
+
+ @param cmd QScintilla command
+ """
+ if self.__isCursorOnLastLine():
+ if self.isListActive():
+ self.SendScintilla(cmd)
+ else:
+ self.incrementalSearchString = ""
+ self.incrementalSearchActive = False
+ line, col = self.__getEndPos()
+ self.setCursorPosition(line,col)
+ buf = self.text(line).replace(sys.ps1, "").replace(sys.ps2, "")
+ self.insert('\n')
+ self.__executeCommand(buf)
+
+ def __QScintillaLeftCommand(self, method, allLinesAllowed = False):
+ """
+ Private method to handle a QScintilla command working to the left.
+
+ @param method shell method to execute
+ @param allLinesAllowed flag indicating that the command may be executed
+ on any line (boolean)
+ """
+ if self.__isCursorOnLastLine() or allLinesAllowed:
+ line, col = self.getCursorPosition()
+ if self.text(line).startswith(sys.ps1):
+ if col > len(sys.ps1):
+ method()
+ elif self.text(line).startswith(sys.ps2):
+ if col > len(sys.ps2):
+ method()
+ elif col > 0:
+ method()
+
+ def __QScintillaCharLeft(self):
+ """
+ Private method to handle the Cursor Left command.
+ """
+ self.__QScintillaLeftCommand(self.moveCursorLeft)
+
+ def __QScintillaWordLeft(self):
+ """
+ Private method to handle the Cursor Word Left command.
+ """
+ self.__QScintillaLeftCommand(self.moveCursorWordLeft)
+
+ def __QScintillaRightCommand(self, method):
+ """
+ Private method to handle a QScintilla command working to the right.
+
+ @param method shell method to execute
+ """
+ if self.__isCursorOnLastLine():
+ method()
+
+ def __QScintillaCharRight(self):
+ """
+ Private method to handle the Cursor Right command.
+ """
+ self.__QScintillaRightCommand(self.moveCursorRight)
+
+ def __QScintillaWordRight(self):
+ """
+ Private method to handle the Cursor Word Right command.
+ """
+ self.__QScintillaRightCommand(self.moveCursorWordRight)
+
+ def __QScintillaDeleteWordRight(self):
+ """
+ Private method to handle the Delete Word Right command.
+ """
+ self.__QScintillaRightCommand(self.deleteWordRight)
+
+ def __QScintillaDeleteLineRight(self):
+ """
+ Private method to handle the Delete Line Right command.
+ """
+ self.__QScintillaRightCommand(self.deleteLineRight)
+
+ def __QScintillaVCHome(self, cmd):
+ """
+ Private method to handle the Home key.
+
+ @param cmd QScintilla command
+ """
+ if self.isListActive():
+ self.SendScintilla(cmd)
+ elif self.__isCursorOnLastLine():
+ line, col = self.getCursorPosition()
+ if self.text(line).startswith(sys.ps1):
+ col = len(sys.ps1)
+ elif self.text(line).startswith(sys.ps2):
+ col = len(sys.ps2)
+ else:
+ col = 0
+ self.setCursorPosition(line, col)
+
+ def __QScintillaLineEnd(self, cmd):
+ """
+ Private method to handle the End key.
+
+ @param cmd QScintilla command
+ """
+ if self.isListActive():
+ self.SendScintilla(cmd)
+ elif self.__isCursorOnLastLine():
+ self.moveCursorToEOL()
+
+ def __QScintillaLineUp(self, cmd):
+ """
+ Private method to handle the Up key.
+
+ @param cmd QScintilla command
+ """
+ if self.isListActive():
+ self.SendScintilla(cmd)
+ else:
+ line, col = self.__getEndPos()
+ buf = self.text(line).replace(sys.ps1, "").replace(sys.ps2, "")
+ if buf and self.incrementalSearchActive:
+ if self.incrementalSearchString:
+ idx = self.__rsearchHistory(self.incrementalSearchString,
+ self.histidx)
+ if idx >= 0:
+ self.histidx = idx
+ self.__useHistory()
+ else:
+ idx = self.__rsearchHistory(buf)
+ if idx >= 0:
+ self.histidx = idx
+ self.incrementalSearchString = buf
+ self.__useHistory()
+ else:
+ if self.histidx < 0:
+ self.histidx = len(self.history)
+ if self.histidx > 0:
+ self.histidx = self.histidx - 1
+ self.__useHistory()
+
+ def __QScintillaLineDown(self, cmd):
+ """
+ Private method to handle the Down key.
+
+ @param cmd QScintilla command
+ """
+ if self.isListActive():
+ self.SendScintilla(cmd)
+ else:
+ line, col = self.__getEndPos()
+ buf = self.text(line).replace(sys.ps1, "").replace(sys.ps2, "")
+ if buf and self.incrementalSearchActive:
+ if self.incrementalSearchString:
+ idx = self.__searchHistory(self.incrementalSearchString, self.histidx)
+ if idx >= 0:
+ self.histidx = idx
+ self.__useHistory()
+ else:
+ idx = self.__searchHistory(buf)
+ if idx >= 0:
+ self.histidx = idx
+ self.incrementalSearchString = buf
+ self.__useHistory()
+ else:
+ if self.histidx >= 0 and self.histidx < len(self.history):
+ self.histidx += 1
+ self.__useHistory()
+
+ def __QScintillaCharLeftExtend(self):
+ """
+ Private method to handle the Extend Selection Left command.
+ """
+ self.__QScintillaLeftCommand(self.extendSelectionLeft, True)
+
+ def __QScintillaWordLeftExtend(self):
+ """
+ Private method to handle the Extend Selection Left one word command.
+ """
+ self.__QScintillaLeftCommand(self.extendSelectionWordLeft, True)
+
+ def __QScintillaVCHomeExtend(self):
+ """
+ Private method to handle the Extend Selection to start of line command.
+ """
+ line, col = self.getCursorPosition()
+ if self.text(line).startswith(sys.ps1):
+ col = len(sys.ps1)
+ elif self.text(line).startswith(sys.ps2):
+ col = len(sys.ps2)
+ else:
+ col = 0
+
+ self.extendSelectionToBOL()
+ while col > 0:
+ self.extendSelectionRight()
+ col -= 1
+
+ def __QScintillaAutoCompletionCommand(self, cmd):
+ """
+ Private method to handle a command for autocompletion only.
+
+ @param cmd QScintilla command
+ """
+ if self.isListActive() or self.isCallTipActive():
+ self.SendScintilla(cmd)
+
+ def __executeCommand(self, cmd):
+ """
+ Private slot to execute a command.
+
+ @param cmd command to be executed by debug client (string)
+ """
+ if not self.inRawMode:
+ self.inCommandExecution = True
+ self.interruptCommandExecution = False
+ if not cmd:
+ cmd = ''
+ if len(self.history) == 0 or self.history[-1] != cmd:
+ if len(self.history) == self.maxHistoryEntries:
+ del self.history[0]
+ self.history.append(cmd)
+ self.histidx = -1
+ if cmd.startswith('start '):
+ if not self.passive:
+ cmdList = cmd.split(None, 1)
+ if len(cmdList) < 2:
+ self.dbs.startClient(False) # same as reset
+ else:
+ language = cmdList[1]
+ if not language in self.clientLanguages:
+ language = cmdList[1].capitalize()
+ if not language in self.clientLanguages:
+ language = ""
+ if language:
+ self.dbs.startClient(False, language)
+ else:
+ # language not supported or typo
+ self.__write(\
+ self.trUtf8('Shell language "{0}" not supported.\n')\
+ .format(cmdList[1]))
+ self.__clientStatement(False)
+ return
+ cmd = ''
+ elif cmd == 'languages':
+ s = '%s\n' % ', '.join(self.clientLanguages)
+ self.__write(s)
+ self.__clientStatement(False)
+ return
+ elif cmd == 'clear':
+ # Display the banner.
+ self.__getBanner()
+ if not self.passive:
+ return
+ else:
+ cmd = ''
+ elif cmd == 'reset':
+ self.dbs.startClient(False)
+ if self.passive:
+ return
+ else:
+ cmd = ''
+
+ self.dbs.remoteStatement(cmd)
+ while self.inCommandExecution: QApplication.processEvents()
+ else:
+ if not self.echoInput:
+ cmd = self.buff
+ self.inRawMode = False
+ self.echoInput = True
+ if not cmd:
+ cmd = ''
+ else:
+ cmd = cmd.replace(self.prompt, "")
+ self.dbs.remoteRawInput(cmd)
+
+ def __useHistory(self):
+ """
+ Private method to display a command from the history.
+ """
+ if self.histidx < len(self.history):
+ cmd = self.history[self.histidx]
+ else:
+ cmd = ""
+ self.incrementalSearchString = ""
+ self.incrementalSearchActive = False
+
+ self.__insertHistory(cmd)
+
+ def __insertHistory(self, cmd):
+ """
+ Private method to insert a command selected from the history.
+
+ @param cmd history entry to be inserted (string)
+ """
+ self.setCursorPosition(self.prline,self.prcol)
+ self.setSelection(self.prline,self.prcol,\
+ self.prline,self.lineLength(self.prline))
+ self.removeSelectedText()
+ self.__insertText(cmd)
+
+ def __searchHistory(self, txt, startIdx = -1):
+ """
+ Private method used to search the history.
+
+ @param txt text to match at the beginning (string)
+ @param startIdx index to start search from (integer)
+ @return index of found entry (integer)
+ """
+ if startIdx == -1:
+ idx = 0
+ else:
+ idx = startIdx + 1
+ while idx < len(self.history) and \
+ not self.history[idx].startswith(txt):
+ idx += 1
+ return idx
+
+ def __rsearchHistory(self, txt, startIdx = -1):
+ """
+ Private method used to reverse search the history.
+
+ @param txt text to match at the beginning (string)
+ @param startIdx index to start search from (integer)
+ @return index of found entry (integer)
+ """
+ if startIdx == -1:
+ idx = len(self.history) - 1
+ else:
+ idx = startIdx - 1
+ while idx >= 0 and \
+ not self.history[idx].startswith(txt):
+ idx -= 1
+ return idx
+
+ def focusNextPrevChild(self, next):
+ """
+ Reimplemented to stop Tab moving to the next window.
+
+ While the user is entering a multi-line command, the movement to
+ the next window by the Tab key being pressed is suppressed.
+
+ @param next next window
+ @return flag indicating the movement
+ """
+ if next and self.inContinue:
+ return False
+
+ return QsciScintillaCompat.focusNextPrevChild(self,next)
+
+ def contextMenuEvent(self,ev):
+ """
+ Reimplemented to show our own context menu.
+
+ @param ev context menu event (QContextMenuEvent)
+ """
+ self.menu.popup(ev.globalPos())
+ ev.accept()
+
+ def clear(self):
+ """
+ Public slot to clear the display.
+ """
+ # Display the banner.
+ self.__getBanner()
+
+ def __resetAndClear(self):
+ """
+ Private slot to handle the 'reset and clear' context menu entry.
+ """
+ self.__reset()
+ self.clear()
+
+ def __reset(self):
+ """
+ Private slot to handle the 'reset' context menu entry.
+ """
+ self.dbs.startClient(False)
+
+ def __startDebugClient(self, action):
+ """
+ Private slot to start a debug client accoding to the action triggered.
+
+ @param action context menu action that was triggered (QAction)
+ """
+ language = action.data().toString()
+ self.dbs.startClient(False, language)
+
+ def handlePreferencesChanged(self):
+ """
+ Public slot to handle the preferencesChanged signal.
+ """
+ # rebind the lexer
+ self.__bindLexer(self.language)
+ self.recolor()
+
+ # set margin 0 configuration
+ self.__setTextDisplay()
+ self.__setMargin0()
+
+ # set the autocompletion and calltips function
+ self.__setAutoCompletion()
+ self.__setCallTips()
+
+ # do the history related stuff
+ self.maxHistoryEntries = Preferences.getShell("MaxHistoryEntries")
+ for key in self.historyLists.keys():
+ self.historyLists[key] = \
+ self.historyLists[key][-self.maxHistoryEntries:]
+
+ # do stdout /stderr stuff
+ showStdOutErr = Preferences.getShell("ShowStdOutErr")
+ if self.__showStdOutErr != showStdOutErr:
+ if showStdOutErr:
+ self.connect(self.dbs, SIGNAL('clientProcessStdout'),
+ self.__writeStdOut)
+ self.connect(self.dbs, SIGNAL('clientProcessStderr'),
+ self.__writeStdErr)
+ else:
+ self.disconnect(self.dbs, SIGNAL('clientProcessStdout'),
+ self.__writeStdOut)
+ self.disconnect(self.dbs, SIGNAL('clientProcessStderr'),
+ self.__writeStdErr)
+ self.__showStdOutErr = showStdOutErr
+
+ def __showCompletions(self, completions, text):
+ """
+ Private method to display the possible completions.
+
+ @param completions list of possible completions (list of strings)
+ @param text text that is about to be completed (string)
+ """
+ if len(completions) == 0:
+ return
+
+ if len(completions) > 1:
+ completions.sort()
+ self.showUserList(1, completions)
+ self.completionText = text
+ else:
+ txt = completions[0]
+ if text != "":
+ txt = txt.replace(text, "")
+ self.__insertText(txt)
+ self.completionText = ""
+
+ def __completionListSelected(self, id, txt):
+ """
+ Private slot to handle the selection from the completion list.
+
+ @param id the ID of the user list (should be 1) (integer)
+ @param txt the selected text (string)
+ """
+ if id == 1:
+ if self.completionText != "":
+ txt = txt.replace(self.completionText, "")
+ self.__insertText(txt)
+ self.completionText = ""
+
+ #################################################################
+ ## Drag and Drop Support
+ #################################################################
+
+ def dragEnterEvent(self, event):
+ """
+ Protected method to handle the drag enter event.
+
+ @param event the drag enter event (QDragEnterEvent)
+ """
+ self.inDragDrop = event.mimeData().hasUrls() or event.mimeData().hasText()
+ if self.inDragDrop:
+ event.acceptProposedAction()
+ else:
+ QsciScintillaCompat.dragEnterEvent(self, event)
+
+ def dragMoveEvent(self, event):
+ """
+ Protected method to handle the drag move event.
+
+ @param event the drag move event (QDragMoveEvent)
+ """
+ if self.inDragDrop:
+ event.accept()
+ else:
+ QsciScintillaCompat.dragMoveEvent(self, event)
+
+ def dragLeaveEvent(self, event):
+ """
+ Protected method to handle the drag leave event.
+
+ @param event the drag leave event (QDragLeaveEvent)
+ """
+ if self.inDragDrop:
+ self.inDragDrop = False
+ event.accept()
+ else:
+ QsciScintillaCompat.dragLeaveEvent(self, event)
+
+ def dropEvent(self, event):
+ """
+ Protected method to handle the drop event.
+
+ @param event the drop event (QDropEvent)
+ """
+ if event.mimeData().hasUrls():
+ for url in event.mimeData().urls():
+ fname = url.toLocalFile()
+ if fname:
+ if not QFileInfo(fname).isDir():
+ self.vm.openSourceFile(fname)
+ else:
+ QMessageBox.information(None,
+ self.trUtf8("Drop Error"),
+ self.trUtf8("""<p><b>{0}</b> is not a file.</p>""")
+ .format(fname))
+ event.acceptProposedAction()
+ elif event.mimeData().hasText():
+ s = event.mimeData().text()
+ if s:
+ event.acceptProposedAction()
+ self.executeLines(s)
+ del s
+ else:
+ QsciScintillaCompat.dropEvent(self, event)
+
+ self.inDragDrop = False
+
+ def focusInEvent(self, event):
+ """
+ Public method called when the shell receives focus.
+
+ @param event the event object (QFocusEvent)
+ """
+ if not self.__actionsAdded:
+ self.addActions(self.vm.editorActGrp.actions())
+ self.addActions(self.vm.copyActGrp.actions())
+ self.addActions(self.vm.viewActGrp.actions())
+
+ try:
+ self.vm.editActGrp.setEnabled(False)
+ self.vm.editorActGrp.setEnabled(True)
+ self.vm.copyActGrp.setEnabled(True)
+ self.vm.viewActGrp.setEnabled(True)
+ except AttributeError:
+ pass
+ self.setCaretWidth(self.caretWidth)
+ QsciScintillaCompat.focusInEvent(self, event)
+
+ def focusOutEvent(self, event):
+ """
+ Public method called when the shell loses focus.
+
+ @param event the event object (QFocusEvent)
+ """
+ try:
+ self.vm.editorActGrp.setEnabled(False)
+ except AttributeError:
+ pass
+ self.setCaretWidth(0)
+ QsciScintillaCompat.focusOutEvent(self, event)
+
+ def insert(self, txt):
+ """
+ Public slot to insert text at the current cursor position.
+
+ The cursor is advanced to the end of the inserted text.
+
+ @param txt text to be inserted (string)
+ """
+ l = len(txt)
+ line, col = self.getCursorPosition()
+ self.insertAt(txt, line, col)
+ if re.search(self.linesepRegExp, txt) is not None:
+ line += 1
+ self.setCursorPosition(line, col + l)
+
+ def __configure(self):
+ """
+ Private method to open the configuration dialog.
+ """
+ e4App().getObject("UserInterface").showPreferences("shellPage")
