class CppEditor(QsciScintilla):
'''
classdocs
'''
def __init__(self, parent=None, fileName=None, readOnlyFiles=[]):
'''
Constructor
'''
super(CppEditor, self).__init__(parent)
self.parent = parent
self.roFiles = readOnlyFiles
self.setAcceptDrops(False) # drag&drop is on its parent
# Set the default font
font = QtGui.QFont()
font.setFamily('Courier')
font.setFixedPitch(True)
font.setPointSize(10)
self.setFont(font)
self.setMarginsFont(font)
# C/C++ lexer
self.lexer = QsciLexerCPP(self, True)
self.lexer.setDefaultFont(font)
self.libraryAPIs = QsciAPIs(QsciLexerCPP(self, True))
self.setLexer(self.lexer)
self.SendScintilla(QsciScintilla.SCI_STYLESETFONT, 1, 'Courier')
# Auto-indent
self.setTabWidth(4)
#self.setIndentationsUseTabs(False)
self.setAutoIndent(True)
# Current line visible with special background color
self.setCaretLineVisible(True)
self.setCaretLineBackgroundColor(QtGui.QColor("#ffe4e4"))
# Enable brace matching
self.setBraceMatching(QsciScintilla.SloppyBraceMatch)
# Enable folding visual- use boxes
self.setFolding(QsciScintilla.BoxedTreeFoldStyle)
# show line numbers
fontmetrics = QtGui.QFontMetrics(font)
self.setMarginsFont(font)
self.setMarginWidth(0, fontmetrics.width("00000") + 4)
self.setMarginLineNumbers(0, True)
self.setMarginsBackgroundColor(QtGui.QColor("#ccccee"))
# not too small
self.setMinimumSize(400, 200)
# set the length of the string before the editor tries to auto-complete
self.setAutoCompletionThreshold(3)
# tell the editor we are using a QsciAPI for the auto-completion
self.setAutoCompletionSource(QsciScintilla.AcsAPIs)
# removed remaining right side characters from the current cursor
self.setAutoCompletionReplaceWord(True)
# "CTRL+Space" autocomplete
self.shortcut_ctrl_space = QtGui.QShortcut(
QtGui.QKeySequence("Ctrl+Space"), self)
self.connect(self.shortcut_ctrl_space, QtCore.SIGNAL('activated()'),
self.autoCompleteFromAll)
if fileName:
self.curFile = fileName
self.loadFile(fileName)
self.isUntitled = False
else:
self.curFile = PROJECT_NONAME + USER_CODE_EXT
self.setText(__default_content__)
self.isUntitled = True
self.updateApiKeywords()
self.isModified = False
self.connect(self, QtCore.SIGNAL('textChanged()'), self.onTextChanged)
def onTextChanged(self):
self.isModified = True
self.parent.onChildContentChanged()
def loadFile(self, fileName):
qfile = QtCore.QFile(fileName)
if not qfile.open(QtCore.QFile.ReadOnly | QtCore.QFile.Text):
QtGui.QMessageBox.warning(
self, PROJECT_ALIAS,
"Cannot read file %s:\n%s." % (fileName, qfile.errorString()))
return False
ret = True
try:
# workaround for OS X QFile.readAll()
f = open(qfile.fileName(), 'r')
self.clear()
for line in f.readlines():
self.append(line)
except:
QtGui.QMessageBox.warning(self, PROJECT_ALIAS,
"failed to read %s." % fileName)
ret = False
finally:
f.close()
qfile.close()
return ret
def saveFile(self, fileName):
if str(fileName).find(' ') >= 0:
QtGui.QMessageBox.warning(
self, PROJECT_ALIAS,
'File path "%s" contains space(s). Please save to a valid location.'
% fileName)
return None
qfile = QtCore.QFile(fileName)
if not qfile.open(QtCore.QFile.WriteOnly | QtCore.QFile.Text):
QtGui.QMessageBox.warning(
self, PROJECT_ALIAS,
"Cannot write file %s:\n%s." % (fileName, qfile.errorString()))
return None
try:
qfile.writeData(self.text())
except:
QtGui.QMessageBox.warning(self, PROJECT_ALIAS,
"Failed to save %s." % fileName)
qfile.close()
return None
qfile.close()
self.curFile = fileName
self.isUntitled = False
self.isModified = False
return fileName
def saveAs(self):
fileName = QtGui.QFileDialog.getSaveFileName(
self, "Save As", self.curFile,
PROJECT_ALIAS + " (*" + USER_CODE_EXT + ");;" +
"C source (*.c);;C++ source (*.cpp);;Text File (*.txt);;All files (*.*)"
)
if not fileName:
return None
return self.saveFile(fileName)
def save(self):
f1 = os.path.abspath(self.curFile)
for fname in self.roFiles:
if f1 == os.path.abspath(fname): # same file
if QtGui.QMessageBox.question(self.parent, "Project is read-only",
"This project is marked as \"read-only\".\n" + \
"Please click \"Cancel\" and save this to another location.\n\n" + \
"Continue saving the current project anyway?", "OK", "Cancel"):
return None
#return self.saveAs()
return self.saveFile(self.curFile)
if self.isUntitled:
return self.saveAs()
else:
return self.saveFile(self.curFile)
def currentFile(self):
return self.curFile
def modified(self):
return self.isModified
def updateApiKeywords(self):
self.libraryAPIs.clear()
self.apiKeywords = self.parent.getDefaultKeywords()
headerfiles = []
for line in range(self.lines()):
txt = str(self.text(line)).strip()
if txt.find('int') == 0: # e.g. reached "int main()"
break
elif txt.find('#include') == 0:
txt = ''.join(txt.split())
temp = txt[len('#includes') - 1:]
header = temp[1:-1] # get the header file
hfile = os.path.join('libraries', header[:-2], header)
if os.path.isfile(hfile):
if not (hfile in headerfiles): headerfiles.append(hfile)
if len(headerfiles):
#print 'parsing: ', headerfiles
self.apiKeywords += getLibraryKeywords(headerfiles)
#self.apiKeywords = list(set(self.apiKeywords)) # remove duplicates
for keyword in self.apiKeywords:
self.libraryAPIs.add(keyword)
self.libraryAPIs.prepare()
self.lexer.setAPIs(self.libraryAPIs)
def insertIncludeDirective(self, library=''):
directive = '#include <' + library + '.h>\r\n'
insert_pos = 0
found_inc = False
for line in range(self.lines()):
txt = str(self.text(line)).strip()
if txt.find('int') == 0: # e.g. reached "int main()"
insert_pos = line - 1
break
elif txt.find('#include') == 0:
found_inc = True
elif found_inc:
insert_pos = line
break
if insert_pos < 0 or insert_pos >= self.lines():
insert_pos = 0
self.insertAt(directive, insert_pos, 0)
self.updateApiKeywords()
class CppEditor(QsciScintilla):
'''
classdocs
'''
def __init__(self, parent=None, fileName=None, readOnlyFiles=[]):
'''
Constructor
'''
super(CppEditor, self).__init__(parent)
self.parent = parent
self.roFiles = readOnlyFiles
self.setAcceptDrops(False) # drag&drop is on its parent
# Set the default font
font = QtGui.QFont()
font.setFamily('Courier')
font.setFixedPitch(True)
font.setPointSize(10)
self.setFont(font)
self.setMarginsFont(font)
# C/C++ lexer
self.lexer = QsciLexerCPP(self, True)
self.lexer.setDefaultFont(font)
self.libraryAPIs = QsciAPIs(QsciLexerCPP(self,True))
self.setLexer(self.lexer)
self.SendScintilla(QsciScintilla.SCI_STYLESETFONT, 1, 'Courier')
# Auto-indent
self.setTabWidth(4)
#self.setIndentationsUseTabs(False)
self.setAutoIndent(True)
# Current line visible with special background color
self.setCaretLineVisible(True)
self.setCaretLineBackgroundColor(QtGui.QColor("#ffe4e4"))
# Enable brace matching
self.setBraceMatching(QsciScintilla.SloppyBraceMatch)
# Enable folding visual- use boxes
self.setFolding(QsciScintilla.BoxedTreeFoldStyle)
# show line numbers
fontmetrics = QtGui.QFontMetrics(font)
self.setMarginsFont(font)
self.setMarginWidth(0, fontmetrics.width("00000") + 4)
self.setMarginLineNumbers(0, True)
self.setMarginsBackgroundColor(QtGui.QColor("#ccccee"))
# not too small
self.setMinimumSize(400, 200)
# set the length of the string before the editor tries to auto-complete
self.setAutoCompletionThreshold(3)
# tell the editor we are using a QsciAPI for the auto-completion
self.setAutoCompletionSource(QsciScintilla.AcsAPIs)
# removed remaining right side characters from the current cursor
self.setAutoCompletionReplaceWord(True)
# "CTRL+Space" autocomplete
self.shortcut_ctrl_space = QtGui.QShortcut(QtGui.QKeySequence("Ctrl+Space"), self)
self.connect(self.shortcut_ctrl_space,
QtCore.SIGNAL('activated()'), self.autoCompleteFromAll)
if fileName:
self.curFile = fileName
self.loadFile(fileName)
self.isUntitled = False
else:
self.curFile = PROJECT_NONAME + USER_CODE_EXT
self.setText( __default_content__ )
self.isUntitled = True
self.updateApiKeywords()
self.isModified = False
self.connect(self, QtCore.SIGNAL('textChanged()'), self.onTextChanged )
def onTextChanged(self):
self.isModified = True
self.parent.onChildContentChanged()
def loadFile(self, fileName):
qfile = QtCore.QFile(fileName)
if not qfile.open(QtCore.QFile.ReadOnly | QtCore.QFile.Text):
QtGui.QMessageBox.warning(self, PROJECT_ALIAS,
"Cannot read file %s:\n%s." % (fileName, qfile.errorString()))
return False
ret = True
try:
# workaround for OS X QFile.readAll()
f = open(qfile.fileName(), 'r')
self.clear()
for line in f.readlines():
self.append(line)
except:
QtGui.QMessageBox.warning(self, PROJECT_ALIAS,
"failed to read %s." % fileName )
ret = False
finally:
f.close()
qfile.close()
return ret
def saveFile(self, fileName):
if str(fileName).find(' ')>=0:
QtGui.QMessageBox.warning(self, PROJECT_ALIAS,
'File path "%s" contains space(s). Please save to a valid location.'%fileName)
return None
qfile = QtCore.QFile(fileName)
if not qfile.open(QtCore.QFile.WriteOnly | QtCore.QFile.Text):
QtGui.QMessageBox.warning(self, PROJECT_ALIAS,
"Cannot write file %s:\n%s." % (fileName, qfile.errorString()))
return None
try:
qfile.writeData(self.text())
except:
QtGui.QMessageBox.warning(self, PROJECT_ALIAS,
"Failed to save %s." % fileName )
qfile.close()
return None
qfile.close()
self.curFile = fileName
self.isUntitled = False
self.isModified = False
return fileName
def saveAs(self):
fileName = QtGui.QFileDialog.getSaveFileName(self, "Save As",
self.curFile, PROJECT_ALIAS + " (*" + USER_CODE_EXT + ");;" +
"C source (*.c);;C++ source (*.cpp);;Text File (*.txt);;All files (*.*)" )
if not fileName:
return None
return self.saveFile(fileName)
def save(self):
f1 = os.path.abspath(self.curFile)
for fname in self.roFiles:
if f1 == os.path.abspath(fname): # same file
if QtGui.QMessageBox.question(self.parent, "Project is read-only",
"This project is marked as \"read-only\".\n" + \
"Please click \"Cancel\" and save this to another location.\n\n" + \
"Continue saving the current project anyway?", "OK", "Cancel"):
return None
#return self.saveAs()
return self.saveFile(self.curFile)
if self.isUntitled:
return self.saveAs()
else:
return self.saveFile(self.curFile)
def currentFile(self):
return self.curFile
def modified(self):
return self.isModified
def updateApiKeywords(self):
self.libraryAPIs.clear()
self.apiKeywords = self.parent.getDefaultKeywords()
headerfiles = []
for line in range(self.lines()):
txt = str(self.text(line)).strip()
if txt.find('int') == 0: # e.g. reached "int main()"
break
elif txt.find('#include') == 0:
txt = ''.join(txt.split())
temp = txt[len('#includes')-1 : ]
header = temp[1:-1] # get the header file
hfile = os.path.join('libraries', header[:-2], header)
if os.path.isfile(hfile):
if not (hfile in headerfiles): headerfiles.append( hfile )
if len( headerfiles ):
#print 'parsing: ', headerfiles
self.apiKeywords += getLibraryKeywords( headerfiles )
#self.apiKeywords = list(set(self.apiKeywords)) # remove duplicates
for keyword in self.apiKeywords:
self.libraryAPIs.add( keyword )
self.libraryAPIs.prepare()
self.lexer.setAPIs(self.libraryAPIs)
def insertIncludeDirective(self, library=''):
directive = '#include <' + library + '.h>\r\n'
insert_pos = 0
found_inc = False
for line in range(self.lines()):
txt = str(self.text(line)).strip()
if txt.find('int') == 0: # e.g. reached "int main()"
insert_pos = line - 1
break
elif txt.find('#include') == 0:
found_inc = True
elif found_inc:
insert_pos = line
break
if insert_pos < 0 or insert_pos >= self.lines():
insert_pos = 0
self.insertAt(directive, insert_pos, 0)
self.updateApiKeywords()
