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October 21, 2018 17:52
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screenshot with Qt5
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#!/usr/bin/env python | |
############################################################################# | |
## | |
## Copyright (C) 2013 Riverbank Computing Limited. | |
## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). | |
## All rights reserved. | |
## | |
## This file is part of the examples of PyQt. | |
## | |
## $QT_BEGIN_LICENSE:BSD$ | |
## 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 Nokia Corporation and its Subsidiary(-ies) 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 PyQt5.QtCore import QDir, Qt, QTimer | |
from PyQt5.QtGui import QPixmap | |
from PyQt5.QtWidgets import (QApplication, QCheckBox, QFileDialog, QGridLayout, | |
QGroupBox, QHBoxLayout, QLabel, QPushButton, QSizePolicy, QSpinBox, | |
QVBoxLayout, QWidget) | |
class Screenshot(QWidget): | |
def __init__(self): | |
super(Screenshot, self).__init__() | |
self.screenshotLabel = QLabel() | |
self.screenshotLabel.setSizePolicy(QSizePolicy.Expanding, | |
QSizePolicy.Expanding) | |
self.screenshotLabel.setAlignment(Qt.AlignCenter) | |
self.screenshotLabel.setMinimumSize(240, 160) | |
self.createOptionsGroupBox() | |
self.createButtonsLayout() | |
mainLayout = QVBoxLayout() | |
mainLayout.addWidget(self.screenshotLabel) | |
mainLayout.addWidget(self.optionsGroupBox) | |
mainLayout.addLayout(self.buttonsLayout) | |
self.setLayout(mainLayout) | |
self.shootScreen() | |
self.delaySpinBox.setValue(5) | |
self.setWindowTitle("Screenshot") | |
self.resize(300, 200) | |
def resizeEvent(self, event): | |
scaledSize = self.originalPixmap.size() | |
scaledSize.scale(self.screenshotLabel.size(), Qt.KeepAspectRatio) | |
if not self.screenshotLabel.pixmap() or scaledSize != self.screenshotLabel.pixmap().size(): | |
self.updateScreenshotLabel() | |
def newScreenshot(self): | |
if self.hideThisWindowCheckBox.isChecked(): | |
self.hide() | |
self.newScreenshotButton.setDisabled(True) | |
QTimer.singleShot(self.delaySpinBox.value() * 1000, | |
self.shootScreen) | |
def saveScreenshot(self): | |
format = 'png' | |
initialPath = QDir.currentPath() + "/untitled." + format | |
fileName, _ = QFileDialog.getSaveFileName(self, "Save As", initialPath, | |
"%s Files (*.%s);;All Files (*)" % (format.upper(), format)) | |
if fileName: | |
self.originalPixmap.save(fileName, format) | |
def shootScreen(self): | |
if self.delaySpinBox.value() != 0: | |
QApplication.instance().beep() | |
screen = QApplication.primaryScreen() | |
if screen is not None: | |
self.originalPixmap = screen.grabWindow(0) | |
else: | |
self.originalPixmap = QPixmap() | |
self.updateScreenshotLabel() | |
self.newScreenshotButton.setDisabled(False) | |
if self.hideThisWindowCheckBox.isChecked(): | |
self.show() | |
def updateCheckBox(self): | |
if self.delaySpinBox.value() == 0: | |
self.hideThisWindowCheckBox.setDisabled(True) | |
else: | |
self.hideThisWindowCheckBox.setDisabled(False) | |
def createOptionsGroupBox(self): | |
self.optionsGroupBox = QGroupBox("Options") | |
self.delaySpinBox = QSpinBox() | |
self.delaySpinBox.setSuffix(" s") | |
self.delaySpinBox.setMaximum(60) | |
self.delaySpinBox.valueChanged.connect(self.updateCheckBox) | |
self.delaySpinBoxLabel = QLabel("Screenshot Delay:") | |
self.hideThisWindowCheckBox = QCheckBox("Hide This Window") | |
optionsGroupBoxLayout = QGridLayout() | |
optionsGroupBoxLayout.addWidget(self.delaySpinBoxLabel, 0, 0) | |
optionsGroupBoxLayout.addWidget(self.delaySpinBox, 0, 1) | |
optionsGroupBoxLayout.addWidget(self.hideThisWindowCheckBox, 1, 0, 1, 2) | |
self.optionsGroupBox.setLayout(optionsGroupBoxLayout) | |
def createButtonsLayout(self): | |
self.newScreenshotButton = self.createButton("New Screenshot", | |
self.newScreenshot) | |
self.saveScreenshotButton = self.createButton("Save Screenshot", | |
self.saveScreenshot) | |
self.quitScreenshotButton = self.createButton("Quit", self.close) | |
self.buttonsLayout = QHBoxLayout() | |
self.buttonsLayout.addStretch() | |
self.buttonsLayout.addWidget(self.newScreenshotButton) | |
self.buttonsLayout.addWidget(self.saveScreenshotButton) | |
self.buttonsLayout.addWidget(self.quitScreenshotButton) | |
def createButton(self, text, member): | |
button = QPushButton(text) | |
button.clicked.connect(member) | |
return button | |
def updateScreenshotLabel(self): | |
self.screenshotLabel.setPixmap(self.originalPixmap.scaled( | |
self.screenshotLabel.size(), Qt.KeepAspectRatio, | |
Qt.SmoothTransformation)) | |
if __name__ == '__main__': | |
import sys | |
app = QApplication(sys.argv) | |
screenshot = Screenshot() | |
screenshot.show() | |
sys.exit(app.exec_()) |
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