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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
"""PySide6 port of the widgets/desktop/screenshot example from Qt v6.x"""
import sys
from PySide6.QtCore import QDir, QPoint, QRect, QStandardPaths, Qt, QTimer
from PySide6.QtGui import QGuiApplication, QImageWriter
from PySide6.QtWidgets import (QApplication, QCheckBox, QDialog, QFileDialog,
QGridLayout, QGroupBox, QHBoxLayout, QLabel,
QMessageBox, QPushButton, QSizePolicy, QSpinBox,
QVBoxLayout, QWidget)
class Screenshot(QWidget):
def __init__(self):
super().__init__()
self.screenshot_label = QLabel(self)
self.screenshot_label.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.screenshot_label.setAlignment(Qt.AlignCenter)
screen_geometry: QRect = self.screen().geometry()
self.screenshot_label.setMinimumSize(
screen_geometry.width() / 8, screen_geometry.height() / 8
)
main_layout = QVBoxLayout(self)
main_layout.addWidget(self.screenshot_label)
options_group_box = QGroupBox("Options", self)
self.delay_spinbox = QSpinBox(options_group_box)
self.delay_spinbox.setSuffix(" s")
self.delay_spinbox.setMaximum(60)
self.delay_spinbox.valueChanged.connect(self.update_checkbox)
self.hide_this_window_checkbox = QCheckBox("Hide This Window", options_group_box)
options_group_box_layout = QGridLayout(options_group_box)
options_group_box_layout.addWidget(QLabel("Screenshot Delay:", self), 0, 0)
options_group_box_layout.addWidget(self.delay_spinbox, 0, 1)
options_group_box_layout.addWidget(self.hide_this_window_checkbox, 1, 0, 1, 2)
main_layout.addWidget(options_group_box)
buttons_layout = QHBoxLayout()
self.new_screenshot_button = QPushButton("New Screenshot", self)
self.new_screenshot_button.clicked.connect(self.new_screenshot)
buttons_layout.addWidget(self.new_screenshot_button)
save_screenshot_button = QPushButton("Save Screenshot", self)
save_screenshot_button.clicked.connect(self.save_screenshot)
buttons_layout.addWidget(save_screenshot_button)
quit_screenshot_button = QPushButton("Quit", self)
quit_screenshot_button.setShortcut(Qt.CTRL | Qt.Key_Q)
quit_screenshot_button.clicked.connect(self.close)
buttons_layout.addWidget(quit_screenshot_button)
buttons_layout.addStretch()
main_layout.addLayout(buttons_layout)
self.shoot_screen()
self.delay_spinbox.setValue(5)
self.setWindowTitle("Screenshot")
self.resize(300, 200)
def resizeEvent(self, event):
scaled_size = self.original_pixmap.size()
scaled_size.scale(self.screenshot_label.size(), Qt.KeepAspectRatio)
if scaled_size != self.screenshot_label.pixmap().size():
self.update_screenshot_label()
def new_screenshot(self):
if self.hide_this_window_checkbox.isChecked():
self.hide()
self.new_screenshot_button.setDisabled(True)
QTimer.singleShot(self.delay_spinbox.value() * 1000, self.shoot_screen)
def save_screenshot(self):
fmt = "png" # In order to avoid shadowing built-in format
initial_path = QStandardPaths.writableLocation(QStandardPaths.PicturesLocation)
if not initial_path:
initial_path = QDir.currentPath()
initial_path += f"/untitled.{fmt}"
fileDialog = QFileDialog(self, "Save As", initial_path)
fileDialog.setAcceptMode(QFileDialog.AcceptSave)
fileDialog.setFileMode(QFileDialog.AnyFile)
fileDialog.setDirectory(initial_path)
mime_types = []
for bf in QImageWriter.supportedMimeTypes():
mime_types.append(bf.data().decode("utf8"))
fileDialog.setMimeTypeFilters(mime_types)
fileDialog.selectMimeTypeFilter("image/" + fmt)
fileDialog.setDefaultSuffix(fmt)
if fileDialog.exec() != QDialog.Accepted:
return
file_name = fileDialog.selectedFiles()[0]
if not self.original_pixmap.save(file_name):
path = QDir.toNativeSeparators(file_name)
QMessageBox.warning(
self,
"Save Error",
f"The image could not be saved to {path}.",
)
def shoot_screen(self):
screen = QGuiApplication.primaryScreen()
window = self.windowHandle()
if window:
screen = window.screen()
if not screen:
return
if self.delay_spinbox.value() != 0:
QApplication.beep()
self.original_pixmap = screen.grabWindow(0)
self.update_screenshot_label()
self.new_screenshot_button.setDisabled(False)
if self.hide_this_window_checkbox.isChecked():
self.show()
def update_checkbox(self):
if self.delay_spinbox.value() == 0:
self.hide_this_window_checkbox.setDisabled(True)
self.hide_this_window_checkbox.setChecked(False)
else:
self.hide_this_window_checkbox.setDisabled(False)
def update_screenshot_label(self):
self.screenshot_label.setPixmap(
self.original_pixmap.scaled(
self.screenshot_label.size(),
Qt.KeepAspectRatio,
Qt.SmoothTransformation,
)
)
if __name__ == "__main__":
app = QApplication(sys.argv)
screenshot = Screenshot()
screenshot.move(screenshot.screen().availableGeometry().topLeft() + QPoint(20, 20))
screenshot.show()
sys.exit(app.exec())
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