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# Copyright (C) 2023 The Qt Company Ltd.
# Copyright (C) 2013 Riverbank Computing Limited.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from __future__ import annotations
from PySide6.QtCore import Slot, Qt
from PySide6.QtWidgets import (QHBoxLayout, QMainWindow,
QMessageBox, QPushButton, QSlider,
QVBoxLayout, QWidget)
from glwidget import GLWidget
def _main_window():
for t in qApp.topLevelWidgets(): # noqa: F821
if isinstance(t, QMainWindow):
return t
return None
class Window(QWidget):
instances = [] # Keep references when undocked
def __init__(self, parent=None):
super().__init__(parent)
self.instances.append(self)
self._gl_widget = GLWidget()
self._x_slider = self.create_slider()
self._x_slider.valueChanged.connect(self._gl_widget.set_xrotation)
self._gl_widget.x_rotation_changed.connect(self._x_slider.setValue)
self._y_slider = self.create_slider()
self._y_slider.valueChanged.connect(self._gl_widget.set_yrotation)
self._gl_widget.y_rotation_changed.connect(self._y_slider.setValue)
self._z_slider = self.create_slider()
self._z_slider.valueChanged.connect(self._gl_widget.set_zrotation)
self._gl_widget.z_rotation_changed.connect(self._z_slider.setValue)
mainLayout = QVBoxLayout(self)
w = QWidget()
container = QHBoxLayout(w)
container.addWidget(self._gl_widget)
container.addWidget(self._x_slider)
container.addWidget(self._y_slider)
container.addWidget(self._z_slider)
mainLayout.addWidget(w)
self._dock_btn = QPushButton("Undock")
self._dock_btn.clicked.connect(self.dock_undock)
mainLayout.addWidget(self._dock_btn)
self._x_slider.setValue(15 * 16)
self._y_slider.setValue(345 * 16)
self._z_slider.setValue(0 * 16)
self.setWindowTitle(self.tr("Hello GL"))
def create_slider(self):
slider = QSlider(Qt.Vertical)
slider.setRange(0, 360 * 16)
slider.setSingleStep(16)
slider.setPageStep(15 * 16)
slider.setTickInterval(15 * 16)
slider.setTickPosition(QSlider.TicksRight)
return slider
def closeEvent(self, event):
self.instances.remove(self)
event.accept()
def keyPressEvent(self, event):
if self.isWindow() and event.key() == Qt.Key_Escape:
self.close()
else:
super().keyPressEvent(event)
@Slot()
def dock_undock(self):
if self.parent():
self.undock()
else:
self.dock()
def dock(self):
mainWindow = _main_window()
if not mainWindow or not mainWindow.isVisible():
QMessageBox.information(self, "Cannot Dock",
"Main window already closed")
return
if mainWindow.centralWidget():
QMessageBox.information(self, "Cannot Dock",
"Main window already occupied")
return
self.setAttribute(Qt.WA_DeleteOnClose, False)
self._dock_btn.setText("Undock")
mainWindow.setCentralWidget(self)
def undock(self):
self.setParent(None)
self.setAttribute(Qt.WA_DeleteOnClose)
geometry = self.screen().availableGeometry()
x = geometry.x() + (geometry.width() - self.width()) / 2
y = geometry.y() + (geometry.height() - self.height()) / 2
self.move(x, y)
self._dock_btn.setText("Dock")
self.show()
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