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#############################################################################
##
## Copyright (C) 2022 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the Qt for Python examples of the Qt Toolkit.
##
## $QT_BEGIN_LICENSE:BSD$
## You may use this file under the terms of the BSD license as follows:
##
## "Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions are
## met:
## * Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## * Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in
## the documentation and/or other materials provided with the
## distribution.
## * Neither the name of The Qt Company Ltd nor the names of its
## contributors may be used to endorse or promote products derived
## from this software without specific prior written permission.
##
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
##
## $QT_END_LICENSE$
##
#############################################################################
from PySide6.QtCore import Qt, Signal, Slot
from PySide6.QtGui import QPalette
from PySide6.QtWidgets import QPlainTextEdit
UNHANDLED_KEYS = [Qt.Key_Backspace, Qt.Key_Left, Qt.Key_Right, Qt.Key_Up,
Qt.Key_Down]
class Console(QPlainTextEdit):
get_data = Signal(bytearray)
def __init__(self, parent=None):
super().__init__(parent)
self.m_localEchoEnabled = False
self.document().setMaximumBlockCount(100)
p = self.palette()
p.setColor(QPalette.Base, Qt.black)
p.setColor(QPalette.Text, Qt.green)
self.setPalette(p)
@Slot(bytearray)
def put_data(self, data):
self.insertPlainText(data.decode("utf8"))
bar = self.verticalScrollBar()
bar.setValue(bar.maximum())
def set_local_echo_enabled(self, e):
self.m_localEchoEnabled = e
def keyPressEvent(self, e):
key = e.key()
if key not in UNHANDLED_KEYS:
if self.m_localEchoEnabled:
super().keyPressEvent(e)
self.get_data.emit(e.text().encode())
def mousePressEvent(self, e):
self.setFocus()
def mouseDoubleClickEvent(self, e):
pass
def contextMenuEvent(self, e):
pass
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