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terminal_qt.py
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terminal_qt.py
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#!/usr/bin/env python
# -*- coding: UTF-8 -*-
# vim: set fileencoding=UTF-8 :
#
# iCeDeROM: In-Circuit Evaluate Debug and Edit for Research on Microelectronics
# Module 'terminal_qt' (provides QtWidget for modules.cli.terminal iCeDeROM Module.
# (C) 2014-2015 Tomasz Bolesław CEDRO (http://www.tomek.cedro.info)
# All rights reserved, so far :-)
import os
from PyQt4 import QtCore,QtGui
class module(object):
"""
Provides Qt Widget for modules.cli.terminal iCeDeROM module.
"""
def __init__(self, **params):
"""Create Qt Widget for Terminal CLI."""
self.name='terminal_qt'
if not params.has_key('iCeDeROM'):
raise KeyError('iCeDeROM parameter reference mandatory!')
if not params['iCeDeROM'].modules.has_key('gui'):
raise RuntimeError('Terminal QtWidget requires GUI running!')
self.iCeDeROM=params['iCeDeROM']
self.parent=params['parent'] if params.has_key('parent') else None
self.windows=dict()
self.texts=dict()
self.fonts=dict()
self.layouts=dict()
self.menus=dict()
self.actions=dict()
self.tabs=dict()
self.groups=dict()
self.trees=dict()
self.buttons=dict()
self.logFileEnabled=False
self.logFileName=self.parent.logFileName
self.createQtWidget(**params)
self.setupQtWidget(**params)
def setup(self, **params):
return
def start(self, **params):
if self.iCeDeROM.ui!='qt':
raise RuntimeError('Interface QtWidget requires Qt GUI running!')
self.iCeDeROM.modules['gui'].mdi.addSubWindow(self.windows[self.name])
self.iCeDeROM.modules['gui'].tabs['system'].setUpdatesEnabled(False)
self.tabs['config_id']=self.iCeDeROM.modules['gui'].tabs['system'].addTab(self.tabs['config'], 'Terminal')
self.iCeDeROM.modules['gui'].tabs['system'].setUpdatesEnabled(True)
self.windows[self.name].show()
def stop(self, **params):
if self.iCeDeROM.ui!='qt':
raise RuntimeError('Interface QtWidget requires Qt GUI running!')
self.iCeDeROM.modules['gui'].tabs['system'].setUpdatesEnabled(False)
self.iCeDeROM.modules['gui'].tabs['system'].delTab(self.tabs['config_id'])
self.iCeDeROM.modules['gui'].tabs['system'].setUpdatesEnabled(True)
self.windows[self.name].hide()
def createQtWidget(self, **params):
if self.iCeDeROM.ui!='qt':
raise Warning('Interface QtWidget requires Qt GUI running!')
self.createQtWidgetMdiWindow(**params)
self.createQtWidgetMenu(**params)
self.createQtWidgetConfigTab(**params)
def createQtWidgetMdiWindow(self, **params):
self.windows[self.name]=QtGui.QMainWindow()
self.texts[self.name]=QtGui.QTextEdit(self.windows[self.name])
self.fonts[self.name]=QtGui.QFont('courier')
def createQtWidgetMenu(self, **params):
self.menu=QtGui.QMenu('Terminal')
def createQtWidgetConfigTab(self, **params):
self.tabs['config']=QtGui.QTabWidget()
self.layouts['terminal_config']=QtGui.QVBoxLayout(self.tabs['config'])
self.groups['config']=QtGui.QGroupBox('Terminal Configuration')
self.layouts['config']=QtGui.QVBoxLayout(self.groups['config'])
self.trees['config']=QtGui.QTreeWidget()
def setupQtWidget(self, **params):
if self.iCeDeROM.ui!='qt':
raise Warning('Interface QtWidget requires Qt GUI running!')
self.setupQtWidgetMdiWindow(**params)
self.setupQtWidgetMenu(**params)
self.setupQtWidgetConfigTab(**params)
def setupQtWidgetMdiWindow(self, **params):
self.windows[self.name].setWindowTitle('Terminal')
self.windows[self.name].setCentralWidget(self.texts[self.name])
self.texts[self.name].setReadOnly(False)
self.texts[self.name].setFont(self.fonts[self.name])
self.texts[self.name].setAcceptRichText(False)
self.texts[self.name].keyPressEvent=self.keyPressEvent
self.texts[self.name].insertFromMimeData=self.insertFromMimeData
self.texts[self.name].startTimer(0)
self.texts[self.name].timerEvent=self.timerEvent
def setupQtWidgetMenu(self, **params):
self.actions['source']=self.menu.addAction('Test',self.test)
self.iCeDeROM.modules['gui'].menus['modules'].addMenu(self.menu)
def setupQtWidgetConfigTab(self, **params):
self.layouts['terminal_config'].addWidget(self.groups['config'])
self.groups['config'].setLayout(self.layouts['config'])
self.layouts['config'].addWidget(self.trees['config'])
self.layouts['config'].setContentsMargins(0,0,0,0)
self.layouts['config'].setSpacing(0)
self.trees['config'].setMinimumHeight(100)
self.trees['config'].setSizePolicy(QtGui.QSizePolicy(
QtGui.QSizePolicy.Minimum,
QtGui.QSizePolicy.Minimum))
#Populate the TreeWidget
self.trees['config'].setHeaderItem(QtGui.QTreeWidgetItem(
['parameter','value','descrption']))
self.trees['config'].setColumnWidth(0,150)
self.trees['config'].setColumnWidth(1,100)
#DEVICE branch
self.trees['logfile']=QtGui.QTreeWidgetItem(self.trees['config'], ['LogFile'])
self.trees['logtofile']=QtGui.QTreeWidgetItem(self.trees['logfile'],
['Log To File','','Stream Terminal data to a local file.'])
self.buttons['logtofile']=QtGui.QCheckBox()
self.buttons['logtofile'].connect(
self.buttons['logtofile'],QtCore.SIGNAL('stateChanged(int)'),self.logFileToggle)
self.trees['config'].setItemWidget(self.trees['logtofile'],1,self.buttons['logtofile'])
self.trees['logfilename']=QtGui.QTreeWidgetItem(self.trees['logfile'],
['Filename','',self.logFileName])
self.buttons['logfilename']=QtGui.QPushButton('Select')
self.trees['config'].setItemWidget(self.trees['logfilename'],1,self.buttons['logfilename'])
self.buttons['logfilename'].connect(
self.buttons['logfilename'],QtCore.SIGNAL('clicked()'),self.logFileSelect)
self.trees['config'].expandAll()
def logFileToggle(self):
if self.buttons['logtofile'].isChecked():
if os.access(self.logFileName,os.F_OK):
res=self.iCeDeROM.modules['gui'].dialogs['message'].information(
self.iCeDeROM.modules['gui'].window,
'File Question', 'File already exist! Do you want to overwrite?',
QtGui.QMessageBox.Yes|QtGui.QMessageBox.No)
if res==QtGui.QMessageBox.Yes:
print 'WRITING\n'
self.parent.logFileStart(self.logFileName)
else:
self.parent.logFileStop()
def logFileSelect(self):
filename=self.iCeDeROM.modules['gui'].dialogs['file'].getSaveFileName(
self.iCeDeROM.modules['gui'].window,'Save File')
if filename=='': return
self.logFileName=str(filename)
self.trees['logfilename'].setText(2,self.logFileName)
def keyPressEvent(self, QKeyEvent):
'''Handle keystrokes.'''
if self.iCeDeROM.modules['interface'].device==None: return
try:
self.parent.write(QKeyEvent.text())
except:
self.iCeDeROM.modules['log'].log.exception('Write failed!')
def insertFromMimeData(self, QMimeData):
'''Handle Paste-From-Clipboard and Drag-And-Drop.'''
if self.iCeDeROM.modules['interface'].device==None: return
try:
self.parent.write(QMimeData.text())
except:
self.iCeDeROM.modules['log'].log.exception('Paste failed!')
def timerEvent(self, QTimerEvent):
if self.iCeDeROM.modules['interface'].device==None: return
self.write(self.parent.read(32))
def write(self, data):
if data=='': return
self.texts[self.name].insertPlainText(data)
self.texts[self.name].moveCursor(QtGui.QTextCursor.End, QtGui.QTextCursor.MoveAnchor)
def test(self):
self.iCeDeROM.modules['gui'].dialogs['message'].information(self,'Terminal','This is a Terminal Menu Test...')