def __init__(self, parent=None):
super(ProgramaImpressor, self).__init__(parent)
rotuloNome = QtWidgets.QLabel("Nome: ")
rotuloEndereco = QtWidgets.QLabel(u"Endereço: ")
rotuloOutros = QtWidgets.QLabel("Diversos: ")
self.impressor = QtPrintSupport.QPrinter()
self.txtnome = QtWidgets.QLineEdit()
self.txtendereco = QtWidgets.QLineEdit()
self.txtdiversos = QtWidgets.QTextEdit()
self.btnimprimir = QtWidgets.QPushButton("&Imprimir")
layoutHorizontal = QtWidgets.QHBoxLayout()
layoutHorizontal2 = QtWidgets.QHBoxLayout()
layoutHorizontal3 = QtWidgets.QHBoxLayout()
layoutVertical = QtWidgets.QVBoxLayout()
layoutHorizontal.addWidget(rotuloNome)
layoutHorizontal.addWidget(self.txtnome)
layoutHorizontal2.addWidget(rotuloEndereco)
layoutHorizontal2.addWidget(self.txtendereco)
layoutHorizontal3.addWidget(rotuloOutros)
layoutHorizontal3.addWidget(self.txtdiversos)
layoutVertical.addLayout(layoutHorizontal)
layoutVertical.addLayout(layoutHorizontal2)
layoutVertical.addLayout(layoutHorizontal3)
layoutVertical.addWidget(self.btnimprimir)
self.setLayout(layoutVertical)
self.dialogo = QtPrintSupport.QPrintPreviewDialog()
self.html = u""
self.documento = QWebEngineView()
self.dialogo.paintRequested.connect(self.documento.print_)
self.documento.loadFinished['bool'].connect(self.previaImpressao)
self.btnimprimir.clicked.connect(self.imprimir)
def handle_preview_handler(self):
""" """
self.hide()
dlg1 = P.QPrintPreviewDialog()
dlg1.paintRequested.connect(self.handle_paint_request)
dlg1.exec_()
self.show()
def printPreview(ui):
printer = QtPrintSupport.QPrinter()
dialog = QtPrintSupport.QPrintPreviewDialog(printer)
dialog.paintRequested.connect(lambda:print(printer,ui))
if( dialog.exec() == 0 ):
return False
else:
return True
def files(self, action): # Function open/save files.
fd = QtWidgets.QFileDialog() # File dialog instance.
if action.text() == "Open": # For opening of the files.
fdf = fd.getOpenFileNames(self,
caption="Open Files",
directory=QtCore.QDir.homePath())
if len(fdf[0]) > 0: # Checks if the file dialog
self.text_edit.clear() # has a selected files for
for of in fdf[0]: # open. Each file of the
self.tabwid.setCurrentIndex(2) # selected will be open.
try: # Will try to open file as
openf = open(of, 'r') # simple .txt or .html and,
self.text_edit.append(str(openf.read()))
continue # read content to text field.
except Exception: # If successfull continue.
pass # If unread or error - pass.
try: # Try to open file in the
openf = open(of, 'rb') # binary mode .py or other.
self.text_edit.append(str(openf.read()))
except Exception: # Content to the field, if
pass # error - pass (do nothing).
if action.text() == "Save": # For saving of the files.
fdf = fd.getSaveFileName(self,
caption="Save Files",
directory=QtCore.QDir.homePath())
if fdf[0] != "": # Checks if files selected.
self.tabwid.setCurrentIndex(2) # Open TabWid with Text Field.
try: # Will try to save file as
open(fdf[0], 'w').write(self.text_edit.toPlainText())
success = True # .txt file with plain text of
except Exception: # text field. And success is
pass # True. An error - pass.
if success != True: # If file not saved as .txt
try: # will try to save file in the
open(fdf[0], 'wb').write(self.text_edit.toPlainText())
success = True # binary mode, as plain text.
except Exception: # An exception - will pass.
pass # If success is True will
if success == True: # shown information message.
self.info_message(fpath=fdf[0],
txt="File saved as",
types="info")
else: # If not True, critical.
self.info_message(fpath=fdf[0],
txt="File don`t saved",
types="critical")
if action.text() == "Print":
print_dialog = QtPrintSupport.QPrintDialog(self.print_device)
if print_dialog.exec_() == QtWidgets.QDialog.Accepted:
self.text_edit.print_(print_dialog.printer())
if action.text() == "Print Preview": # Print preview dialog.
print_dialog = QtPrintSupport.QPrintPreviewDialog(
self.print_device)
print_dialog.setWindowTitle("Print Preview")
print_dialog.setWindowIcon(QtGui.QIcon("Icons/python1.png"))
print_dialog.paintRequested.connect(self.text_edit.print_)
print_dialog.exec_() # Executes dialog window.
def previewCall(self):
dialog = QtPrintSupport.QPrintPreviewDialog()
dialog.paintRequested.connect(self.ui.textBrowser.print_)
dialog.exec_()
def print(self):
dialog = QtPrintSupport.QPrintPreviewDialog()
dialog.paintRequested.connect(self.text_edit_widget.print_)
dialog.exec_()