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import os
import sys
import copy
import enum
import json
import time
import random
import shutil
import zipfile
from random import random as rand
from typing import List, Tuple, Union
from PyQt6 import QtGui, QtCore, QtWidgets, QtMultimedia, QtMultimediaWidgets
class InteractiveVariable:
"""
互动节点的变量
"""
def __init__(
self,
name: str,
var_id: str,
var_value: int,
show: bool = False,
random: bool = False,
):
"""
Args:
name (str) : 变量名
var_id (str) : 变量 id
var_value (int) : 变量的值
show (bool) : 是否显示
random (bool) : 是否为随机值(1-100)
"""
self.__var_id = var_id
self.__var_value = var_value
self.__name = name
self.__is_show = show
self.__random = random
def get_id(self) -> str:
return self.__var_id
def refresh_value(self) -> None:
"""
刷新变量数值
"""
if self.is_random():
self.__var_value = int(rand(0, 100))
def get_value(self) -> int:
return self.__var_value
def is_show(self) -> bool:
return self.__is_show
def is_random(self) -> bool:
return self.__random
def get_name(self) -> str:
return self.__name
def __str__(self):
return f"{self.__name} {self.__var_value}"
class InteractiveButtonAlign(enum.Enum):
"""
按钮的文字在按钮中的位置
``` text
-----
|xxx|----o (TEXT_LEFT)
-----
-----
o----|xxx| (TEXT_RIGHT)
-----
----------
|XXXXXXXX| (DEFAULT)
----------
```
- DEFAULT
- TEXT_UP
- TEXT_RIGHT
- TEXT_DOWN
- TEXT_LEFT
"""
DEFAULT = 0
TEXT_UP = 1
TEXT_RIGHT = 2
TEXT_DOWN = 3
TEXT_LEFT = 4
class InteractiveButton:
"""
互动视频节点按钮类
"""
def __init__(
self,
text: str,
x: int,
y: int,
align: Union[InteractiveButtonAlign, int] = InteractiveButtonAlign.DEFAULT,
):
"""
Args:
text (str) : 文字
x (int) : x 轴
y (int) : y 轴
align (InteractiveButtonAlign | int): 按钮的文字在按钮中的位置
"""
self.__text = text
self.__pos = (x, y)
if isinstance(align, InteractiveButtonAlign):
align = align.value
self.__align = align
def get_text(self) -> str:
return self.__text
def get_align(self) -> int:
return self.__align # type: ignore
def get_pos(self) -> Tuple[int, int]:
return self.__pos
def __str__(self):
return f"{self.__text} {self.__pos}"
class InteractiveJumpingCondition:
"""
节点跳转的公式，只有公式成立才会跳转
"""
def __init__(self, var: List[InteractiveVariable] = [], condition: str = "True"):
"""
Args:
var (List[InteractiveVariable]): 所有变量
condition (str) : 公式
"""
self.__vars = var
self.__command = condition
def get_result(self) -> bool:
"""
计算公式获得结果
Returns:
bool: 是否成立
"""
if self.__command == "":
return True
command = copy.copy(self.__command)
for var in self.__vars:
var_name = var.get_id()
var_value = var.get_value()
command = command.replace(var_name, str(var_value))
command = command.replace("&&", " and ")
command = command.replace("||", " or ")
command = command.replace("!", " not ")
command = command.replace("===", "==")
command = command.replace("!==", "!=")
command = command.replace("true", "True")
command = command.replace("false", "False")
return eval(command)
def __str__(self):
return f"{self.__command}"
class InteractiveJumpingCommand:
"""
节点跳转对变量的操作
"""
def __init__(self, var: List[InteractiveVariable] = [], command: str = ""):
"""
Args:
var (List[InteractiveVariable]): 所有变量
condition (str) : 公式
"""
self.__vars = var
self.__command = command
def run_command(self) -> List["InteractiveVariable"]:
"""
执行操作
Returns:
List[InteractiveVariable]
"""
if self.__command == "":
return self.__vars
for code in self.__command.split(";"):
var_name_ = code.split("=")[0]
var_new_value = code.split("=")[1]
for var in self.__vars:
var_name = var.get_id()
var_value = var.get_value()
var_new_value = var_new_value.replace(var_name, str(var_value))
var_new_value_calc = eval(var_new_value)
for var in self.__vars:
if var.get_id() == var_name_:
var._InteractiveVariable__var_value = var_new_value_calc # type: ignore
return self.__vars
class InteractiveNodeJumpingType(enum.Enum):
"""
对下一节点的跳转的方式
- ASK : 选择
- DEFAULT: 跳转到默认节点
- READY : 选择(只有一个选择)
"""
READY = 1
DEFAULT = 0
ASK = 2
class Button:
def __init__(self, id_, pos, text, condition, command):
# A class that provides the button model.
self.node_id = id_
self.pos = pos
self.text = text
self.condition = condition
self.command = command
# 什么？别问我为什么不用 TypedDict / dataclass
def __str__(self) -> str:
return f"{self.pos} {self.text} {self.condition} {self.command}"
class ButtonLabel(QtWidgets.QLabel):
def __init__(self, parent: QtWidgets.QWidget = None):
super().__init__(parent=parent)
self.setObjectName(str(time.time()))
def prep_text(self, text: str, x: int, y: int):
self.setText(text)
self.setWordWrap(True)
self.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
font = QtGui.QFont()
font.setPointSize(12)
font.setBold(True)
self.setFont(font)
rect = QtCore.QRect(x, y, 200, 50)
self.setGeometry(rect)
self.setStyleSheet(
"border-width: 5px;\
border-style: solid;\
border-color: rgb(100, 100, 100);\
background-color: rgb(50, 50, 50);\
color: rgb(255, 255, 255);"
)
self.raise_()
return self
class MPlayer(object):
def setup(self, Form):
# UI
Form.setObjectName("Form")
Form.resize(800, 600)
sizePolicy = QtWidgets.QSizePolicy(
QtWidgets.QSizePolicy.Policy.Fixed, QtWidgets.QSizePolicy.Policy.Fixed
)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(Form.sizePolicy().hasHeightForWidth())
Form.setSizePolicy(sizePolicy)
Form.setMinimumSize(QtCore.QSize(800, 650))
Form.setMaximumSize(QtCore.QSize(800, 650))
Form.setBaseSize(QtCore.QSize(800, 650))
Form.setWindowTitle("MPlayer")
self.win: QtWidgets.QWidget = Form
self.player = QtMultimediaWidgets.QVideoWidget(Form)
self.player.setGeometry(QtCore.QRect(0, 0, 800, 450))
self.player.setObjectName("player")
self.mediaplayer = QtMultimedia.QMediaPlayer()
self.mediaplayer.setVideoOutput(self.player)
self.audio_output = QtMultimedia.QAudioOutput()
self.audio_output.setVolume(0.0)
self.mediaplayer.setAudioOutput(self.audio_output)
self.slider = QtWidgets.QSlider(Form)
self.slider.setGeometry(QtCore.QRect(120, 455, 571, 22))
self.slider.setOrientation(QtCore.Qt.Orientation.Horizontal)
self.slider.setObjectName("slider")
self.slider.setValue(100)
self.pp = QtWidgets.QPushButton(Form)
self.pp.setGeometry(QtCore.QRect(0, 450, 113, 32))
self.pp.setObjectName("pp")
self.pushButton = QtWidgets.QPushButton(Form)
self.pushButton.setGeometry(QtCore.QRect(0, 525, 113, 32))
self.pushButton.setObjectName("pushButton")
self.node = QtWidgets.QLabel(Form)
self.node.setGeometry(QtCore.QRect(120, 530, 191, 16))
self.node.setObjectName("node")
self.info = QtWidgets.QLabel(Form)
self.info.setGeometry(QtCore.QRect(320, 520, 471, 36))
self.info.setWordWrap(True)
font = QtGui.QFont()
font.setBold(True)
font.setWeight(75)
self.info.setFont(font)
self.info.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
self.info.setObjectName("info")
self.pushButton_2 = QtWidgets.QPushButton(Form)
self.pushButton_2.setGeometry(QtCore.QRect(0, 560, 113, 32))
self.pushButton_2.setObjectName("pushButton_2")
self.lineEdit = QtWidgets.QLineEdit(Form)
self.lineEdit.setEnabled(True)
self.lineEdit.setGeometry(QtCore.QRect(120, 565, 561, 21))
self.lineEdit.setText("")
self.lineEdit.setObjectName("lineEdit")
self.lineEdit.setPlaceholderText("Type in the path to your ivi file. ")
self.pushButton_3 = QtWidgets.QPushButton(Form)
self.pushButton_3.setGeometry(QtCore.QRect(690, 560, 108, 32))
self.pushButton_3.setObjectName("pushButton_3")
self.pushButton_4 = QtWidgets.QPushButton(Form)
self.pushButton_4.setGeometry(QtCore.QRect(0, 485, 113, 32))
self.pushButton_4.setObjectName("pushButton_4")
self.horizontalSlider = QtWidgets.QSlider(Form)
self.horizontalSlider.setGeometry(QtCore.QRect(120, 490, 571, 22))
self.horizontalSlider.setOrientation(QtCore.Qt.Orientation.Horizontal)
self.horizontalSlider.setObjectName("horizontalSlider")
self.label = QtWidgets.QLabel(Form)
self.label.setGeometry(QtCore.QRect(699, 449, 81, 31))
self.label.setObjectName("label")
self.label_2 = QtWidgets.QLabel(Form)
self.label_2.setGeometry(QtCore.QRect(700, 490, 60, 16))
self.label_2.setObjectName("label_2")
# Slot & String
self.pp.setEnabled(False)
self.pushButton.setEnabled(False)
self.retranslateUi(Form)
self.win.closeEvent = self.on_close_check
self.pushButton_2.clicked.connect(self.open_ivi)
self.pushButton_3.clicked.connect(self.close_ivi)
self.pushButton_4.clicked.connect(self.sound_on_off_event)
self.pp.clicked.connect(self.pp_button)
self.horizontalSlider.valueChanged.connect(self.volume_change_event)
self.slider.sliderReleased.connect(self.position_change_event)
self.slider.sliderPressed.connect(self.position_start_change_event)
self.pushButton.clicked.connect(self.back_to_previous)
# InteractiveVariables
self.current_node = 0
self.variables: List[InteractiveVariable] = []
self.state_log = []
self.graph = None
self.choice_buttons: List[Button] = []
self.choice_labels: List[ButtonLabel] = []
# Video Play Variables & Functions
self.temp_dir = ""
self.is_draging_slider = False
self.is_stoping = False
self.win.startTimer(100)
self.has_end = False
self.final_position = -1
# Timer & Refresh
def timerEvent(*args, **kwargs):
# 创建要跳转的节点
if self.has_end:
if len(self.choice_labels) != 0:
for lbl in self.choice_labels:
lbl.raise_()
self.player.lower()
else:
children = self.graph[str(self.current_node)]["sub"]
if len(children) == 0:
# 已结束
pass
else:
# 跳转类型
if (
self.graph[str(children[0])]["jump_type"]
== InteractiveNodeJumpingType.DEFAULT.value
):
# 直接跳转
for node_id in children:
btn = Button(
node_id,
[0, 0],
"",
self.graph[str(node_id)]["condition"],
self.graph[str(node_id)]["command"],
)
condition = InteractiveJumpingCondition(
self.variables, btn.condition
)
if condition.get_result():
# 可以跳转
native_command = InteractiveJumpingCommand(
self.variables, btn.command
)
self.variables = native_command.run_command()
btn_id = btn.node_id
self.set_source(self.graph[str(btn_id)]["cid"])
self.current_node = btn.node_id
self.volume_change_event()
title = self.graph[str(node_id)]["title"]
self.node.setText(f"(当前节点: {title})")
break
else:
# 进行选择
def get_info(node_id: int):
return self.graph[str(node_id)]
cnt = 0
for idx, child in enumerate(children):
pos_x = cnt * 200
pos_y = 600
cur_info = get_info(child)
# 生成 Button 对象
self.choice_buttons.append(
Button(
child,
[pos_x, pos_y],
cur_info["button"]["text"],
cur_info["condition"],
cur_info["command"],
)
)
# 生成 ButtonLabel 对象
if cur_info["button"]["pos"][0] == None:
if idx != 0:
previous_info = get_info(children[idx - 1])
curtext, previoustext = (
cur_info["button"]["text"],
previous_info["button"]["text"],
)
if curtext[2:] == previoustext[2:]:
# 可确定与上一个按钮同一个位置（即概率按钮）
# 不再生成单独的 label
self.choice_buttons[-1].pos[0] -= 200
continue
cnt += 1
lbl = ButtonLabel(self.win)
lbl.prep_text(
cur_info["button"]["text"], pos_x, pos_y
)
lbl.show()
self.choice_labels.append(lbl)
continue
if idx != 0:
previous_info = get_info(children[idx - 1])
curpos, previouspos = (
cur_info["button"]["pos"],
previous_info["button"]["pos"],
)
if (abs(curpos[0] - previouspos[0]) <= 5) and (
abs(curpos[1] - previouspos[1]) <= 5
):
# 可确定与上一个按钮同一个位置（即概率按钮）
# 不再生成单独的 label
self.choice_buttons[-1].pos[0] -= 200
else:
# 生成 label
cnt += 1
lbl = ButtonLabel(self.win)
lbl.prep_text(
cur_info["button"]["text"], pos_x, pos_y
)
lbl.show()
self.choice_labels.append(lbl)
else:
# 生成 label
cnt += 1
lbl = ButtonLabel(self.win)
lbl.prep_text(
cur_info["button"]["text"], pos_x, pos_y
)
lbl.show()
self.choice_labels.append(lbl)
pass
add_space = int((800 - cnt * 200) / 2)
for idx, lbl in enumerate(self.choice_labels):
lbl.setGeometry(
QtCore.QRect(
lbl.geometry().left() + add_space,
lbl.geometry().top(),
lbl.geometry().width(),
lbl.geometry().height(),
)
)
for btn in self.choice_buttons:
btn.pos[0] += add_space
# 处理进度条
if self.is_draging_slider:
return
if self.mediaplayer.duration() == 0:
self.slider.setValue(100)
self.label.setText("--:--/--:--")
return
if (
(self.mediaplayer.duration() // 1000)
== ((self.mediaplayer.position() // 1000))
) and (not self.has_end):
self.has_end = True
self.mediaplayer.pause()
self.final_position = self.mediaplayer.position()
self.mediaplayer.setAudioOutput(
QtMultimedia.QAudioOutput().setVolume(0)
)
self.slider.setValue(100)
duration = self.mediaplayer.duration() // 1000
duration_sec = duration % 60
duration_min = duration // 60
if duration_sec < 10:
duration_sec = "0" + str(duration_sec)
if duration_min < 10:
duration_min = "0" + str(duration_min)
self.label.setText(
f"{duration_min}:{duration_sec}/{duration_min}:{duration_sec}"
)
self.player.lower()
for lbl in self.choice_labels:
lbl.raise_()
return
elif self.has_end:
self.has_end = True
self.slider.setValue(100)
self.mediaplayer.setPosition(self.final_position)
self.mediaplayer.setAudioOutput(
QtMultimedia.QAudioOutput().setVolume(0)
)
duration = self.mediaplayer.duration() // 1000
duration_sec = duration % 60
duration_min = duration // 60
if duration_sec < 10:
duration_sec = "0" + str(duration_sec)
if duration_min < 10:
duration_min = "0" + str(duration_min)
self.label.setText(
f"{duration_min}:{duration_sec}/{duration_min}:{duration_sec}"
)
self.player.lower()
for lbl in self.choice_labels:
lbl.raise_()
return
else:
self.has_end = False
self.choice_buttons = []
for lbl in self.choice_labels:
lbl.hide()
self.choice_labels = []
self.last_position = self.mediaplayer.position()
self.slider.setValue(
int(self.mediaplayer.position() / self.mediaplayer.duration() * 100)
)
duration = self.mediaplayer.duration() // 1000
position = self.mediaplayer.position() // 1000
duration_sec = duration % 60
duration_min = duration // 60
position_sec = position % 60
position_min = position // 60
if duration_sec < 10:
duration_sec = "0" + str(duration_sec)
if duration_min < 10:
duration_min = "0" + str(duration_min)
if position_sec < 10:
position_sec = "0" + str(position_sec)
if position_min < 10:
position_min = "0" + str(position_min)
self.label.setText(
f"{position_min}:{position_sec}/{duration_min}:{duration_sec}"
)
# 将选择的按钮置于最上层
for lbl in self.choice_labels:
lbl.raise_()
self.win.timerEvent = timerEvent
# Click & Jump
def mouseReleaseEvent(event: QtGui.QMouseEvent):
pos = event.position()
pos = [pos.x(), pos.y()]
for var in self.variables:
if var.is_random():
var._InteractiveVariable__var_value = random.random() * 100
for btn in self.choice_buttons:
if (
(pos[0] - btn.pos[0] <= 200)
and (pos[0] - btn.pos[0] >= 0)
and (pos[1] - btn.pos[1] <= 50)
and (pos[1] - btn.pos[1] >= 0)
):
condition = InteractiveJumpingCondition(
self.variables, btn.condition
)
if condition.get_result():
# 可以跳转
native_command = InteractiveJumpingCommand(
self.variables, btn.command
)
self.variables = native_command.run_command()
btn_id = btn.node_id
self.set_source(self.graph[str(btn_id)]["cid"])
self.current_node = btn.node_id
self.volume_change_event()
title = self.graph[str(btn.node_id)]["title"]
self.node.setText(f"(当前节点: {title})")
break
self.win.mouseReleaseEvent = mouseReleaseEvent
def start_playing(self):
self.mediaplayer.play()
self.is_stoping = False
def stop_playing(self):
self.mediaplayer.stop()
self.is_stoping = True
def pause_playing(self):
self.mediaplayer.pause()
self.is_stoping = True
def retranslateUi(self, Form):
_translate = QtCore.QCoreApplication.translate
self.pp.setText(_translate("Form", "Pause"))
self.pushButton.setText(_translate("Form", "<- Previous"))
self.node.setText(_translate("Form", "(当前节点: 无)"))
self.info.setText(_translate("Form", "视频标题(BVID)"))
self.pushButton_2.setText(_translate("Form", "Open"))
self.pushButton_3.setText(_translate("Form", "Close"))
self.pushButton_4.setText(_translate("Form", "Sound: Off"))
self.label.setText(_translate("Form", "--:--/--:--"))
self.label_2.setText(_translate("Form", "0"))
def set_source(self, cid: int):
wintitle = "MPlayer"
for var in self.variables:
if var.is_show():
wintitle += f" - {var.get_name()}: {int(var.get_value())}"
for lbl in self.choice_labels:
lbl.hide()
self.choice_labels = []
self.choice_buttons = []
self.win.setWindowTitle(wintitle)
self.state_log.append({"cid": cid, "vars": copy.deepcopy(self.variables)})
self.has_end = False
self.mediaplayer.setAudioOutput(
QtMultimedia.QAudioOutput().setVolume(self.horizontalSlider.value() / 100)
)
self.stop_playing()
self.pp.setText("Pause")
dest = self.temp_dir + str(cid) + ".mp4"
self.mediaplayer.setSource(QtCore.QUrl(dest))
self.mediaplayer.setPosition(0)
if self.mediaplayer.duration() <= 7:
self.mediaplayer.setPosition(self.mediaplayer.duration())
self.start_playing()
def extract_ivi(self, path: str):
curtime = str(time.time())
try:
os.mkdir(".mplayer")
except:
pass
os.mkdir(".mplayer/" + curtime)
self.temp_dir = ".mplayer/" + curtime + "/"
ivi = zipfile.ZipFile(path)
ivi.extractall(self.temp_dir)
bilivideo_parser = json.JSONDecoder()
self.node.setText("(当前节点: 视频主节点)")
self.info.setText(
bilivideo_parser.decode(
open(self.temp_dir + "bilivideo.json", "r", encoding="utf-8").read()
)["title"]
+ "("
+ bilivideo_parser.decode(
open(self.temp_dir + "bilivideo.json", "r", encoding="utf-8").read()
)["bvid"]
+ ")"
)
self.graph = json.load(
open(self.temp_dir + "ivideo.json", "r", encoding="utf-8")
)
self.current_node = 1
variables = self.graph["1"]["vars"]
for var in variables:
self.variables.append(
InteractiveVariable(
var["name"], var["id"], var["value"], var["show"], var["random"]
)
)
self.set_source(self.graph["1"]["cid"])
self.volume_change_event()
def close_ivi(self):
self.player.hide()
self.player = QtMultimediaWidgets.QVideoWidget(self.win)
self.player.setGeometry(QtCore.QRect(0, 0, 800, 450))
self.player.setObjectName("player")
self.player.show()
self.current_node = 0
self.variables = []
self.state_log = []
self.choice_buttons = []
for lbl in self.choice_labels:
lbl.hide()
self.choice_labels = []
self.graph = None
self.stop_playing()
self.pp.setText("Pause")
self.has_end = False
self.mediaplayer = QtMultimedia.QMediaPlayer() # Clear the multimedia source
self.mediaplayer.setVideoOutput(self.player)
self.mediaplayer.setAudioOutput(QtMultimedia.QAudioOutput())
self.volume_change_event()
shutil.rmtree(self.temp_dir)
while True:
if not os.path.exists(self.temp_dir):
break
try:
os.rmdir(".mplayer")
except:
# Not empty
pass
self.temp_dir = ""
self.node.setText("(当前节点: 无)")
self.info.setText("视频标题(BVID)")
self.win.setWindowTitle("MPlayer")
self.lineEdit.setText("")
self.pp.setEnabled(False)
self.pushButton.setEnabled(False)
def open_ivi(self):
if self.current_node != 0:
return
try:
if self.lineEdit.text() != "":
self.extract_ivi(self.lineEdit.text())
else:
dialog = QtWidgets.QFileDialog()
filename, _ = dialog.getOpenFileName(
self.win,
"Choose an 'ivi' file to open. ",
filter="Bilibili Interactive Video (*.ivi)",
)
self.extract_ivi(filename)
self.lineEdit.setText(filename)
self.pp.setEnabled(True)
self.pushButton.setEnabled(True)
except Exception as e:
warning = QtWidgets.QMessageBox()
warning.warning(self.win, "Oops...", str(e))
def volume_change_event(self):
if self.horizontalSlider.value() == 0:
self.pushButton_4.setText("Sound: Off")
else:
self.pushButton_4.setText("Sound: On")
position = self.mediaplayer.position()
if (not self.has_end) or (not self.is_stoping):
pass
else:
self.pause_playing()
volume = self.horizontalSlider.value()
self.label_2.setText(str(volume))
self.audio_output.setVolume(float(volume / 100))
self.mediaplayer.setAudioOutput(self.audio_output)
if (not self.has_end) or (not self.is_stoping):
pass
else:
self.mediaplayer.setPosition(position)
self.start_playing()
def position_start_change_event(self):
self.mediaplayer.pause()
self.is_draging_slider = True
def position_change_event(self):
volume = self.slider.value()
if volume != 100 and self.has_end:
self.slider.setValue(100)
return
self.mediaplayer.setPosition(int(self.mediaplayer.duration() * volume / 100))
if not self.is_stoping:
self.start_playing()
self.is_draging_slider = False
def sound_on_off_event(self):
if "on" in self.pushButton_4.text().lower():
self.pushButton_4.setText("Sound: Off")
curpos = self.mediaplayer.position()
self.mediaplayer.pause()
volume = self.horizontalSlider.value()
self.label_2.setText(str(volume))
self.audio_output = QtMultimedia.QAudioOutput()
self.audio_output.setVolume(0.0)
self.mediaplayer.setAudioOutput(self.audio_output)
self.mediaplayer.setPosition(curpos)
if not self.is_stoping:
self.start_playing()
self.horizontalSlider.setSliderPosition(0)
else:
self.pushButton_4.setText("Sound: On")
curpos = self.mediaplayer.position()
self.mediaplayer.pause()
volume = self.horizontalSlider.value()
self.label_2.setText(str(volume))
self.audio_output = QtMultimedia.QAudioOutput()
self.audio_output.setVolume(1.0)
self.mediaplayer.setAudioOutput(self.audio_output)
self.mediaplayer.setPosition(curpos)
if not self.is_stoping:
self.start_playing()
self.horizontalSlider.setSliderPosition(100)
def pp_button(self):
if self.is_stoping:
self.start_playing()
self.pp.setText("Pause")
else:
self.pause_playing()
self.pp.setText("Play")
def on_close_check(self, event):
if self.current_node != 0:
reply = QtWidgets.QMessageBox.question(
self.win,
"WARNING",
"IVI file is playing. Are you sure want to exit? ",
QtWidgets.QMessageBox.StandardButton.Yes
| QtWidgets.QMessageBox.StandardButton.No,
QtWidgets.QMessageBox.StandardButton.No,
)
if reply == QtWidgets.QMessageBox.StandardButton.Yes:
self.close_ivi()
event.accept()
else:
event.ignore()
else:
event.accept()
def back_to_previous(self):
if len(self.state_log) < 2:
QtWidgets.QMessageBox.warning(
self.win,
"WTF???",
"MPlayer can't find the previous node. \nMaybe there's not any node or only one node?",
)
return
new_cid = copy.deepcopy(self.state_log[-2]["cid"])
new_vars = copy.deepcopy(self.state_log[-2]["vars"])
self.state_log.pop()
for key in self.graph.keys():
if self.graph[key]["cid"] == new_cid:
new_node_id = int(key)
self.current_node = new_node_id
self.variables = new_vars
self.set_source(new_cid)
self.state_log.pop()
title = self.graph[str(new_node_id)]["title"]
self.node.setText(f"(当前节点: {title})")
self.volume_change_event()
return
def main():
app = QtWidgets.QApplication(sys.argv)
win = QtWidgets.QMainWindow()
ui = MPlayer()
ui.setup(win)
win.show()
sys.exit(app.exec())
def prepopen(path: str):
app = QtWidgets.QApplication(sys.argv)
win = QtWidgets.QMainWindow()
ui = MPlayer()
ui.setup(win)
ui.lineEdit.setText(path)
ui.open_ivi()
win.show()
sys.exit(app.exec())
if __name__ == "__main__":
main()
|