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MessageBox.py
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118 lines (88 loc) · 4.12 KB
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####################################################################################################
#
# CodeReview - A Code Review GUI
# Copyright (C) 2015 Fabrice Salvaire
#
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU
# General Public License as published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with this program. If
# not, see <http://www.gnu.org/licenses/>.
#
####################################################################################################
####################################################################################################
import collections
import time
from PyQt5 import QtCore, QtGui, QtWidgets
####################################################################################################
from CodeReview.GUI.Widgets.IconLoader import IconLoader
####################################################################################################
class MessageBox(QtWidgets.QWidget):
##############################################
def __init__(self, parent):
super(MessageBox, self).__init__(parent)
self._application = QtWidgets.QApplication.instance()
self._message_queue = collections.deque()
self.hide()
self.setMaximumSize(QtCore.QSize(16777215, 50))
self.setPalette(self._palette)
self.setAutoFillBackground(True)
icon_loader = IconLoader()
self._icon_label = QtWidgets.QLabel(parent)
warning_icon = icon_loader['dialog-warning@48']
warning_pixmap = warning_icon.pixmap(warning_icon.availableSizes()[0])
self._icon_label.setPixmap(warning_pixmap)
self._message_text_browser = QtWidgets.QTextBrowser(self)
self._message_text_browser.setFrameShadow(QtWidgets.QFrame.Plain)
push_button = QtWidgets.QPushButton(self)
push_button.setText('OK')
push_button.clicked.connect(self._hide)
horizontal_layout = QtWidgets.QHBoxLayout(self)
horizontal_layout.setContentsMargins(0, 0, 0, 0)
for widget in self._icon_label, self._message_text_browser, push_button:
horizontal_layout.addWidget(widget)
##############################################
@property
def _palette(self):
palette = QtGui.QPalette()
brush = QtGui.QBrush(QtGui.QColor(255, 155, 155))
brush.setStyle(QtCore.Qt.SolidPattern)
for group in QtGui.QPalette.Disabled, QtGui.QPalette.Active, QtGui.QPalette.Inactive:
for role in QtGui.QPalette.Button, QtGui.QPalette.Base, QtGui.QPalette.Window:
palette.setBrush(group, role, brush)
return palette
##############################################
def push_message(self, message):
self._message_queue.appendleft(message)
self._show_message()
##############################################
def _show_message(self):
# Show the last message
message = self._message_queue[0]
if self.isVisible():
# Flash user
self._message_text_browser.clear()
self._icon_label.setVisible(False)
self._application.processEvents()
time.sleep(.25)
self._icon_label.setVisible(True)
self._message_text_browser.setHtml(message)
self.setVisible(True)
##############################################
def _hide(self):
# The last message was seen
self._message_queue.popleft()
if self._message_queue:
self._show_message()
else:
self.hide()
####################################################################################################
#
# End
#
####################################################################################################