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Diffstat (limited to 'examples/widgets/desktop/screenshot/screenshot.py')
| -rw-r--r-- | examples/widgets/desktop/screenshot/screenshot.py | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/examples/widgets/desktop/screenshot/screenshot.py b/examples/widgets/desktop/screenshot/screenshot.py new file mode 100644 index 000000000..a5688da7a --- /dev/null +++ b/examples/widgets/desktop/screenshot/screenshot.py @@ -0,0 +1,156 @@ +# 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, + Slot) +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() + + @Slot() + 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) + + @Slot() + 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() + + @Slot() + 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()) |