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SequencePlayerDialog.py
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# -*- coding: utf-8 -*-
from __future__ import print_function
from PySide2 import QtGui
from PySide2 import QtWidgets
from PySide2 import QtCore
from PySide2.QtCore import Qt
from PySide2.QtCore import Signal
from DisplayWidget import DisplayWidget
from SequenceGrabber import SequenceGrabber
import sys
import math
import pyseq
class SequencePlayerDialog(QtWidgets.QDialog):
request_time = Signal(object)
load_file = Signal(object)
def __init__(self, parent=None,seq=None):
super(SequencePlayerDialog, self).__init__(parent)
self.mw = parent
self.seq = seq
self.maximum = len(seq) - 1
self.captured = False
self.display = DisplayWidget()
self.timeline = QtWidgets.QScrollBar(Qt.Horizontal)
self.seq_grabber = SequenceGrabber(mw=self.mw,seq=self.seq)
self.frame_capture = QtWidgets.QPushButton("Set thumbnail")
# self.frame_capture.setEnabled(False)
self.frame_capture.setFixedWidth(120)
self.frame_capture.clicked.connect(self.frame_captured)
self.frame_control = QtWidgets.QSpinBox()
self.frame_control.setFixedWidth(100)
self.timeline.valueChanged.connect(self.slider_changed)
self.frame_control.valueChanged.connect(self.frame_changed)
self.request_time.connect(self.seq_grabber.request_time)
# self.load_file.connect(self.seq_grabber.set_container)
self.seq_grabber.frame_ready.connect(self.display.setPixmap)
# self.seq_grabber.update_frame_range.connect(self.set_frame_range)
self.frame_grabber_thread = QtCore.QThread()
self.seq_grabber.moveToThread(self.frame_grabber_thread)
self.frame_grabber_thread.start()
control_layout = QtWidgets.QHBoxLayout()
control_layout.addWidget(self.frame_control)
control_layout.addWidget(self.timeline)
control_layout.addWidget(self.frame_capture)
layout = QtWidgets.QVBoxLayout()
layout.addWidget(self.display)
layout.addLayout(control_layout)
self.setLayout(layout)
self.setAcceptDrops(False)
self.setWindowTitle(self.tr("Sequence Preview"))
self.set_frame_range()
@QtCore.Slot(object, object)
def set_frame_range(self):
self.timeline.setMinimum(self.seq.start())
self.timeline.setMaximum(self.seq.end())
self.frame_control.setMinimum(self.seq.start())
self.frame_control.setMaximum(self.seq.end())
self.frame_control.setSingleStep(1)
self.maximum = self.seq.end()
def slider_changed(self, value):
self.frame_changed(value)
def frame_changed(self, value):
self.timeline.blockSignals(True)
self.frame_control.blockSignals(True)
self.timeline.setValue(value)
self.frame_control.setValue(value)
self.timeline.blockSignals(False)
self.frame_control.blockSignals(False)
self.seq_grabber.active_time = value
self.request_time.emit(value)
def frame_captured(self):
if self.display.pixmap:
self.mw.selectedframe = self.display.pixmap
self.captured = True
self.accept()
self.close()
def keyPressEvent(self, event):
modifiers = QtWidgets.QApplication.keyboardModifiers()
if event.key() in (Qt.Key_Right, Qt.Key_Left):
direction = 1
if event.key() == Qt.Key_Left:
direction = -1
if modifiers == Qt.ShiftModifier:
direction *= 10
nextdirection = self.frame_control.value() + direction
if nextdirection < self.timeline.minimum() or nextdirection > self.timeline.maximum():
super(SequencePlayerDialog, self).keyPressEvent(event)
else:
self.frame_changed(nextdirection)
else:
super(SequencePlayerDialog, self).keyPressEvent(event)
def mousePressEvent(self, event):
# clear focus of spinbox
focused_widget = QtWidgets.QApplication.focusWidget()
if focused_widget:
focused_widget.clearFocus()
super(SequencePlayerDialog, self).mousePressEvent(event)
def dragEnterEvent(self, event):
event.accept()
def dropEvent(self, event):
mime = event.mimeData()
event.accept()
if mime.hasUrls():
path = str(mime.urls()[0].path())
self.set_file(path)
def closeEvent(self, event):
self.seq_grabber.active_time = -1
self.frame_grabber_thread.quit()
self.frame_grabber_thread.wait()
event.accept()
if self.mw.selectedframe and self.captured:
self.accept()
else:
self.reject()