class Editor(QMainWindow):
def __init__(self):
super().__init__()
self.keyPressed = set()
self.codeBlocks = list()
self.index = -1
self.excuteNumber = 0
self.process = None
self.interpreter = None
BaseManager.register('Interpreter', Interpreter)
self.interpreterManager = BaseManager()
self.interpreterManager.start()
## set FontSize
font = self.font()
font.setPointSize(12)
self.setFont(font)
self.initUI()
self.restartProcess()
self.timer = QTimer(self)
self.timer.setInterval(1)
self.timer.timeout.connect(self.checkProcess)
self.timer.start()
def initUI(self):
# Widget of CodeBlocks
wgCodeBlocks = QWidget()
saCodeBlocks = QScrollArea()
saCodeBlocks.setWidget(wgCodeBlocks)
saCodeBlocks.setWidgetResizable(True)
saCodeBlocks.setAlignment(Qt.AlignTop)
self.vblCodeBlocks = QVBoxLayout()
self.vblCodeBlocks.setAlignment(Qt.AlignTop)
wgCodeBlocks.setLayout(self.vblCodeBlocks)
self.newCodeBlock()
# Widget of FileControl
self.fileControl = FileControl(self)
# Widget of BlockControl
self.blockControl = BlockControl(self)
# Widget of Viewer
self.viewer = Viewer()
# Layout of Editor
glEditor = QGridLayout()
glEditor.addWidget(saCodeBlocks, 0, 0, 10, 1)
glEditor.addWidget(self.fileControl, 0, 1, 1, 1)
glEditor.addWidget(self.blockControl, 1, 1, 1, 1)
glEditor.addWidget(self.viewer, 2, 1)
# Widget of Editor
wgEditor = QWidget()
wgEditor.setLayout(glEditor)
self.setCentralWidget(wgEditor)
self.mousePressEvent(None)
self.showMaximized()
def setCodeBoxLayout(self):
# remove all items of vblCodeBlocks
for i in reversed(range(self.vblCodeBlocks.count())):
self.vblCodeBlocks.itemAt(i).widget().setParent(None)
for codeBlock in self.codeBlocks:
self.vblCodeBlocks.addWidget(codeBlock)
def displayMemory(self):
memory = self.interpreter.getMemory()
pointer = self.interpreter.getPointer()
self.viewer.consistMemoryDisplay(memory, pointer)
# add new CodeBlock
def newCodeBlock(self):
codeBlock = CodeBlock(self)
self.codeBlocks.insert(self.index + 1, codeBlock)
self.index += 1
self.setCodeBoxLayout()
# remove CodeBlock
def deleteCodeBlock(self):
if len(self.codeBlocks) <= 1:
return
focusedTime = self.codeBlocks[self.index].focusedTime
self.codeBlocks.remove(self.codeBlocks[self.index])
self.index = min(len(self.codeBlocks) - 1, self.index)
self.codeBlocks[self.index].focusedTime = focusedTime
self.setCodeBoxLayout()
# excute CodeBlock
def executeCodeBlock(self):
code = self.codeBlocks[self.index].getCode()
stdin = self.viewer.teStdin.text()
try:
self.interpreter.setText(self.interpreter.execute(code, stdin))
except Exception as e:
self.interpreter.setText(str(e))
# restart Process
def restartProcess(self):
self.excuteNumber = 0
self.interpreter = self.interpreterManager.Interpreter()
for codeBlock in self.codeBlocks:
codeBlock.setNumber()
self.stopProcess()
def startProcess(self):
if self.process and self.process.is_alive():
return
self.excuteNumber += 1
self.codeBlocks[self.index].setNumber(self.excuteNumber)
self.blockControl.changeStatus(True)
self.process = Process(target=self.executeCodeBlock)
self.process.daemon = True
self.process.start()
def stopProcess(self):
if self.process:
self.process.terminate()
self.process = None
self.viewer.teStdout.setText("Process terminated")
@pyqtSlot()
def checkProcess(self):
if self.process and self.process.is_alive():
return
if self.process:
self.process.join()
self.process.terminate()
self.process = None
text = self.viewer.teStdout.text()
stdout = self.interpreter.getText()
if text == "Process terminated" or "Error" in stdout:
text = ""
text += self.interpreter.getText()
self.viewer.teStdout.setText(text)
self.blockControl.changeStatus(False)
if self.interpreter:
self.displayMemory()
# focus which textEdit to fix
def setCodeBoxFocus(self, index):
self.index = index
self.codeBlocks[self.index].teCodeBox.setFocus()
def mousePressEvent(self, event):
maxTime = 0
selectedCodeBlock = None
for index, codeBlock in enumerate(self.codeBlocks):
codeBlock.focusOut()
maxTime = max(maxTime, codeBlock.focusedTime)
if maxTime == codeBlock.focusedTime:
selectedCodeBlock = codeBlock
self.setCodeBoxFocus(index)
selectedCodeBlock.focusIn()
# process shortcut
def keyPressEvent(self, event):
self.keyPressed.add(event.key())
key = Shortcuts.shortcuts.get(frozenset(self.keyPressed), "No Matching")
if key == Shortcuts.Key_Ctrl_Enter:
self.startProcess()
elif key == Shortcuts.Key_Ctrl_R:
self.restartProcess()
elif key == Shortcuts.Key_Alt_Enter:
self.startProcess()
self.newCodeBlock()
elif key == Shortcuts.Key_Alt_BackSpace:
self.deleteCodeBlock()
self.mousePressEvent(event)
def keyReleaseEvent(self, event):
if event.key() in self.keyPressed:
self.keyPressed.remove(event.key())
def openFile(self, mode):
try:
filename = self.fileControl.getFilename()
if not filename:
raise Exception("Invalid Filename")
fileMode = open("./" + filename + ".gsc", mode)
return fileMode
except:
self.fileControl.setMessage("Please Give Valid Filename")
def loadFile(self):
fileInput = self.openFile("r")
if not fileInput:
return
codes = fileInput.read().split("##CodeBlock##\n")
if len(codes) > 1:
codes = codes[1:]
self.codeBlocks = [CodeBlock(self, code.strip()) for code in codes]
self.setCodeBoxLayout()
fileInput.close()
def saveFile(self):
fileOutput = self.openFile("w")
if not fileOutput:
return
code = str()
for codeBlock in self.codeBlocks:
if codeBlock.getCode():
code += ("##CodeBlock##\n" + codeBlock.getCode() + "\n")
fileOutput.write(code)
fileOutput.close()
