1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
##
## This file is part of the example classes of the Qt Toolkit.
##
## This file may be used under the terms of the GNU General Public
## License version 2.0 as published by the Free Software Foundation
## and appearing in the file LICENSE.GPL included in the packaging of
## this file. Please review the following information to ensure GNU
## General Public Licensing requirements will be met:
## http://www.trolltech.com/products/qt/opensource.html
##
## If you are unsure which license is appropriate for your use, please
## review the following information:
## http://www.trolltech.com/products/qt/licensing.html or contact the
## sales department at sales@trolltech.com.
##
## This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
## WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
##
#############################################################################
from PyQt4 import QtCore, QtGui
class Screenshot(QtGui.QWidget):
def __init__(self):
super(Screenshot, self).__init__()
self.screenshotLabel = QtGui.QLabel()
self.screenshotLabel.setSizePolicy(QtGui.QSizePolicy.Expanding,
QtGui.QSizePolicy.Expanding)
self.screenshotLabel.setAlignment(QtCore.Qt.AlignCenter)
self.screenshotLabel.setMinimumSize(240, 160)
self.createOptionsGroupBox()
self.createButtonsLayout()
mainLayout = QtGui.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(), QtCore.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)
QtCore.QTimer.singleShot(self.delaySpinBox.value() * 1000,
self.shootScreen)
def saveScreenshot(self):
format = 'png'
initialPath = QtCore.QDir.currentPath() + "/untitled." + format
fileName = QtGui.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:
QtGui.qApp.beep()
# Garbage collect any existing image first.
self.originalPixmap = None
self.originalPixmap = QtGui.QPixmap.grabWindow(QtGui.QApplication.desktop().winId())
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 = QtGui.QGroupBox("Options")
self.delaySpinBox = QtGui.QSpinBox()
self.delaySpinBox.setSuffix(" s")
self.delaySpinBox.setMaximum(60)
self.delaySpinBox.valueChanged.connect(self.updateCheckBox)
self.delaySpinBoxLabel = QtGui.QLabel("Screenshot Delay:")
self.hideThisWindowCheckBox = QtGui.QCheckBox("Hide This Window")
optionsGroupBoxLayout = QtGui.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 = QtGui.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 = QtGui.QPushButton(text)
button.clicked.connect(member)
return button
def updateScreenshotLabel(self):
self.screenshotLabel.setPixmap(self.originalPixmap.scaled(
self.screenshotLabel.size(), QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation))
if __name__ == '__main__':
import sys
app = QtGui.QApplication(sys.argv)
screenshot = Screenshot()
screenshot.show()
sys.exit(app.exec_())
|
