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gui.py
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"""
Graphical user interface for the MKDD Extender.
"""
import argparse
import atexit
import collections
import concurrent.futures
import configparser
import contextlib
import datetime
import gc
import itertools
import json
import logging
import os
import platform
import queue
import re
import shutil
import signal
import subprocess
import sys
import tempfile
import textwrap
import threading
import time
import traceback
import wave
from typing import Any
from PIL import Image
from PySide6 import QtCore, QtGui, QtMultimedia, QtWidgets
import ast_converter
import mkdd_extender
import rarc
FONT_FAMILIES = 'Liberation Mono, FreeMono, Nimbus Mono, Consolas, Courier New'
script_path = os.path.realpath(__file__)
script_dir = os.path.dirname(script_path)
tools_dir = os.path.join(script_dir, 'tools')
data_dir = os.path.join(script_dir, 'data')
gui_dir = os.path.join(data_dir, 'gui')
placeholder_race_track_dir = os.path.join(data_dir, 'courses', 'dstestcircle')
placeholder_battle_stage_dir = os.path.join(data_dir, 'courses', 'dstestcircle_battlestage')
def set_dark_theme(app: QtWidgets.QApplication):
app.setStyle("Fusion")
role_colors = []
role_colors.append((QtGui.QPalette.Window, QtGui.QColor(60, 60, 60)))
role_colors.append((QtGui.QPalette.WindowText, QtGui.QColor(200, 200, 200)))
role_colors.append((QtGui.QPalette.Base, QtGui.QColor(25, 25, 25)))
role_colors.append((QtGui.QPalette.AlternateBase, QtGui.QColor(60, 60, 60)))
role_colors.append((QtGui.QPalette.ToolTipBase, QtGui.QColor(40, 40, 40)))
role_colors.append((QtGui.QPalette.ToolTipText, QtGui.QColor(200, 200, 200)))
role_colors.append((QtGui.QPalette.PlaceholderText, QtGui.QColor(160, 160, 160)))
role_colors.append((QtGui.QPalette.Text, QtGui.QColor(200, 200, 200)))
role_colors.append((QtGui.QPalette.Button, QtGui.QColor(55, 55, 55)))
role_colors.append((QtGui.QPalette.ButtonText, QtGui.QColor(200, 200, 200)))
role_colors.append((QtGui.QPalette.BrightText, QtCore.Qt.white))
role_colors.append((QtGui.QPalette.Light, QtGui.QColor(65, 65, 65)))
role_colors.append((QtGui.QPalette.Midlight, QtGui.QColor(60, 60, 60)))
role_colors.append((QtGui.QPalette.Dark, QtGui.QColor(45, 45, 45)))
role_colors.append((QtGui.QPalette.Mid, QtGui.QColor(50, 50, 50)))
role_colors.append((QtGui.QPalette.Shadow, QtCore.Qt.black))
role_colors.append((QtGui.QPalette.Highlight, QtGui.QColor(45, 140, 225)))
role_colors.append((QtGui.QPalette.HighlightedText, QtCore.Qt.black))
role_colors.append((QtGui.QPalette.Link, QtGui.QColor(40, 130, 220)))
role_colors.append((QtGui.QPalette.LinkVisited, QtGui.QColor(110, 70, 150)))
palette = QtGui.QPalette()
for role, color in role_colors:
palette.setColor(QtGui.QPalette.Disabled, role, QtGui.QColor(color).darker())
palette.setColor(QtGui.QPalette.Active, role, color)
palette.setColor(QtGui.QPalette.Inactive, role, color)
app.setPalette(palette)
# The application's palette doesn't seem to cover the tool tip colors.
QtWidgets.QToolTip.setPalette(palette)
# Further global customization for the tool tips.
padding = QtGui.QFontMetrics(QtGui.QFont()).height() // 2
app.setStyleSheet(f"""
QToolTip, HelpDialog > QLabel {{
padding: {padding}px;
border: 1px solid #202020;
background: #282828;
}}
QFrame[frameShape="4"][frameShadow="16"],
QFrame[frameShape="5"][frameShadow="16"] {{
color: rgb(70, 70, 70);
}}
""")
@contextlib.contextmanager
def blocked_signals(obj: QtCore.QObject):
# QSignalBlocker may or may not be available in some versions of the different Qt bindings.
signals_were_blocked = obj.blockSignals(True)
try:
yield
finally:
if not signals_were_blocked:
obj.blockSignals(False)
def style_message(text: str) -> str:
# Since it seems impossible to set a style sheet that affects the <code> and <pre> tags, the
# style attribute will be embedded in the text. Padding doesn't seem to work either; a space in
# inserted instead. Also, border doesn't seem to work, hence that is has not been added.
code_style_attr = 'style="background: #555; color: #CCC"'
text = text.replace('<code>', f'<code {code_style_attr}> ')
text = text.replace('</code>', ' </code>')
pre_style_attr = 'style="background: #555; color: #CCC"'
text = text.replace('<pre>', f'<pre {pre_style_attr}>')
# For convenience, also add nowrap to <b> tags here with another replace action.
b_style_attr = 'style="white-space: nowrap;"'
text = text.replace('<b>', f'<b {b_style_attr}>')
return text
def human_readable_duration(sample_count: int, sample_rate: int) -> str:
duration = round(sample_count / sample_rate * 1000)
minutes = duration // 1000 // 60
seconds = duration // 1000 - minutes * 60
milliseconds = duration - (minutes * 60 + seconds) * 1000
text = []
if minutes:
text.append(f'{minutes} min')
if seconds:
text.append(f'{seconds} s')
if milliseconds:
text.append(f'{milliseconds} ms')
if not text:
text.append('0 s')
text.append(f' <small><small>({sample_count} samples)</small></small>')
return ' '.join(text)
def markdown_to_html(title: str, text: str) -> str:
code_blocks = []
while text.count('```\n') >= 2:
start_offset = text.index('```\n')
end_offset = text.index('```\n', start_offset + 4) + 3
code_block = text[start_offset + 4:end_offset - 4]
text = text[:start_offset] + f'CODE_BLOCK_{len(code_blocks):04}' + text[end_offset:]
code_blocks.append(code_block)
default_font_size = QtGui.QFont().pointSize()
inline_code_padding = (f'<span style="font-size: {int(default_font_size / 2.5)}px;">'
' </span>')
html = f'<h3>{title}</h3>\n'
for paragraph in text.split('\n\n'):
paragraph = paragraph.strip()
paragraph = re.sub(r'\[(.+)\]\((.+)\)', r'<a href="\2">\1</a>', paragraph)
paragraph = re.sub(r'(^|\s)(http.+)(\s|$)', r'<a href="\2">\2</a>', paragraph)
if paragraph.startswith('- '):
unordered_list = ''
for line in paragraph.splitlines():
unordered_list += f'<li>{line[1:].strip()}</li>\n'
paragraph = f'<ul>{unordered_list}</ul>\n'
else:
paragraph = paragraph.replace('\n', ' ')
paragraph = re.sub(r'^---(.*)', r'<hr/>\1', paragraph)
paragraph = re.sub(r'\b_(.+)_\b', r'<em>\1</em>', paragraph)
paragraph = re.sub(r'\*\*([^\*]+)\*\*', r'<b style="white-space: nowrap;">\1</b>',
paragraph)
paragraph = re.sub(
r'`([^`]+)`', '<code style="background: #1B1B1B; white-space: nowrap;">'
f'{inline_code_padding}\\1{inline_code_padding}</code>', paragraph)
html += f'<p>{paragraph}</p>\n'
code_block_padding = int(default_font_size / 2.0)
open_tag = (f'<table cellpadding="{code_block_padding}" bgcolor="#1B1B1B" width="100%"><tr><td>'
f'<pre style="font-size: {int(default_font_size * 0.9)}pt;">')
end_tag = '</pre></td></tr></table>'
for i, code_block in enumerate(code_blocks):
html = html.replace(f'CODE_BLOCK_{i:04}', f'{open_tag}\n{code_block}\n{end_tag}')
return html
def show_message(icon_name: str,
title: str,
text: str,
detailed_text: str = None,
parent: QtWidgets.QWidget = None):
text = style_message(text)
message_box = QtWidgets.QMessageBox(QtWidgets.QMessageBox.NoIcon, title, text,
QtWidgets.QMessageBox.NoButton, parent)
icon_path = os.path.join(gui_dir, f'{icon_name}.svg')
icon = QtGui.QIcon(icon_path)
icon_size = message_box.fontMetrics().averageCharWidth() * 6
message_box.setIconPixmap(icon.pixmap(icon.actualSize(QtCore.QSize(icon_size, icon_size))))
if detailed_text:
message_box.setDetailedText(detailed_text)
# In order to customize the detailed text, it is assumed that QTextEdit is used, and that
# a button with the action role is present.
font_size = round(message_box.font().pointSize() * 0.75)
for text_edit in message_box.findChildren(QtWidgets.QTextEdit):
text_edit.setStyleSheet(
f'QTextEdit {{ font-family: {FONT_FAMILIES}; font-size: {font_size}pt; }}')
# If a detailed message is present, make sure the size is sufficient to show a few
# words per line, and several lines (e.g. stack traces).
char_width = text_edit.fontMetrics().averageCharWidth()
char_height = text_edit.fontMetrics().height()
text_edit.setFixedWidth(char_width * 80)
text_edit.setFixedHeight(char_height * min(30, len(detailed_text.split('\n')) + 2))
text_edit.setLineWrapMode(QtWidgets.QTextEdit.NoWrap)
buttons = message_box.buttons()
assert len(buttons) == 1, 'Expected a single button in the message box'
if len(buttons) == 1:
show_details_button = buttons[0]
show_details_button.click()
show_details_button.setFocusPolicy(QtCore.Qt.NoFocus)
show_details_button.hide()
# If seems something shows the button at a later time, so hide also in the next tick.
QtCore.QTimer.singleShot(0, show_details_button.hide)
# Also, when the message box is brought to the front after being in the background,
# something makes the button visible again; give a null size to ensure it doesn't come
# back.
show_details_button.setFixedSize(0, 0)
message_box.addButton(QtWidgets.QPushButton('Close', message_box),
QtWidgets.QMessageBox.AcceptRole)
message_box.exec()
def show_long_message(icon_name: str, title: str, text: str, parent: QtWidgets.QWidget = None):
text = style_message(text)
message_box = QtWidgets.QDialog(parent)
message_box.setWindowTitle(title)
message_box.setModal(True)
char_width = message_box.fontMetrics().averageCharWidth()
char_height = message_box.fontMetrics().height()
icon_path = os.path.join(gui_dir, f'{icon_name}.svg')
icon = QtGui.QIcon(icon_path)
icon_size = char_width * 6
icon_label = QtWidgets.QLabel()
icon_label.setPixmap(icon.pixmap(icon.actualSize(QtCore.QSize(icon_size, icon_size))))
icon_layout = QtWidgets.QVBoxLayout()
icon_layout.addWidget(icon_label)
icon_layout.addStretch()
text_browser = QtWidgets.QTextBrowser()
text_browser.setOpenExternalLinks(True)
text_browser.setFrameShape(QtWidgets.QFrame.NoFrame)
text_browser.viewport().setAutoFillBackground(False)
text_browser.setText(text)
close_button = QtWidgets.QPushButton('Close')
close_button.clicked.connect(message_box.close)
close_button_layout = QtWidgets.QHBoxLayout()
close_button_layout.addStretch()
close_button_layout.addWidget(close_button)
main_layout = QtWidgets.QVBoxLayout()
main_layout.addWidget(text_browser)
main_layout.addLayout(close_button_layout)
outer_layout = QtWidgets.QHBoxLayout(message_box)
outer_layout.addLayout(icon_layout)
outer_layout.addLayout(main_layout)
message_box.setMinimumWidth(char_width * 60)
message_box.setMinimumHeight(char_height * 40)
message_box.exec()
def open_directory(dirpath: str):
if mkdd_extender.windows:
os.startfile(dirpath) # pylint: disable=no-member
else:
subprocess.check_call(('open' if mkdd_extender.macos else 'xdg-open', dirpath))
def open_and_select_in_directory(path: str):
path = os.path.normpath(path)
if mkdd_extender.windows:
explorer_path = os.path.join(os.environ['WINDIR'], 'explorer.exe')
subprocess.check_call((explorer_path, '/select,', path))
elif mkdd_extender.macos:
open_directory(os.path.dirname(path))
subprocess.check_call(('open', '--reveal', path))
else:
subprocess.check_call((
'dbus-send',
'--session',
'--dest=org.freedesktop.FileManager1',
'--type=method_call',
'/org/freedesktop/FileManager1',
'org.freedesktop.FileManager1.ShowItems',
f'array:string:file://{path}',
'string:""',
))
class PathEdit(QtWidgets.QWidget):
path_changed = QtCore.Signal(str)
def __init__(self,
caption: str,
accept_mode: QtWidgets.QFileDialog.AcceptMode,
file_mode: QtWidgets.QFileDialog.FileMode,
name_filters: 'tuple[str]' = tuple(),
parent: QtWidgets.QWidget = None):
super().__init__(parent=parent)
self._caption = caption
self._accept_mode = accept_mode
self._file_mode = file_mode
self._name_filters = name_filters
self._last_dir = ''
self._line_edit = QtWidgets.QLineEdit()
browse_button = QtWidgets.QPushButton('Browse')
browse_button.setAutoDefault(False)
browse_button.clicked.connect(self._show_file_dialog)
layout = QtWidgets.QHBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(2)
layout.addWidget(self._line_edit)
layout.addWidget(browse_button)
self._line_edit.textChanged.connect(self._on_line_edit_textChanged)
def get_path(self) -> str:
text = self._line_edit.text()
return os.path.normpath(text) if text else text
def get_last_dir(self) -> str:
return self._last_dir
def set_path(self, path: str):
self._line_edit.setText(path)
def set_last_dir(self, last_dir: str):
self._last_dir = os.path.normpath(last_dir) if last_dir else last_dir
def _show_file_dialog(self):
path = self._line_edit.text()
name = os.path.basename(path)
dirpath = os.path.dirname(path) or self._last_dir or os.path.expanduser('~')
file_dialog = QtWidgets.QFileDialog(self, self._caption, dirpath)
file_dialog.setAcceptMode(self._accept_mode)
file_dialog.setFileMode(self._file_mode)
file_dialog.setNameFilters(self._name_filters)
file_dialog.selectFile(name)
dialog_code = file_dialog.exec_()
if dialog_code == QtWidgets.QDialog.Accepted and file_dialog.selectedFiles():
with blocked_signals(self._line_edit):
# Clear to force a value change, even if wasn't really changed from the file dialog.
self._line_edit.setText(str())
path = file_dialog.selectedFiles()[0]
self._line_edit.setText(os.path.normpath(path) if path else path)
def _on_line_edit_textChanged(self, text: str):
text = os.path.normpath(text) if text else text
current_dir = os.path.dirname(text)
if current_dir and os.path.isdir(current_dir):
self._last_dir = current_dir
self.path_changed.emit(text)
class VerticalLabel(QtWidgets.QWidget):
def __init__(self, text: str = '', parent: QtWidgets.QWidget = None):
super().__init__(parent=parent)
self._text = text
def setText(self, text: str):
if self._text != text:
self._text = text
self.update()
def minimumSizeHint(self) -> QtCore.QSize:
font_metrics = self.fontMetrics()
width = font_metrics.height()
margin = round(width * 0.5)
height = font_metrics.horizontalAdvance(self._text)
width += margin * 2
height += margin * 2
return QtCore.QSize(width, height)
def paintEvent(self, event: QtGui.QPaintEvent):
_ = event
painter = QtGui.QPainter(self)
rect = self.rect()
painter.fillRect(rect.marginsRemoved(QtCore.QMargins(0, 0, 0, 1)),
self.palette().base().color().darker())
painter.translate(rect.center())
painter.rotate(90)
painter.translate(-rect.center())
rect = QtCore.QRect(round((rect.width() - rect.height()) / 2), 0, rect.height(),
rect.height())
painter.drawText(rect, QtCore.Qt.AlignCenter | QtCore.Qt.AlignHCenter, self._text)
class CollapsibleGroupBox(QtWidgets.QWidget):
toggled = QtCore.Signal(bool)
_arrow_tip_down_icon_path = os.path.join(gui_dir, 'arrow_tip_down.svg').replace('\\', '/')
_arrow_tip_right_icon_path = os.path.join(gui_dir, 'arrow_tip_right.svg').replace('\\', '/')
def __init__(self, title: str = '', parent: QtWidgets.QWidget = None):
super().__init__(parent=parent)
self._checkbox = QtWidgets.QCheckBox(title)
self._checkbox.setChecked(True)
indicator_height = self.fontMetrics().height()
self._checkbox.setStyleSheet(
textwrap.dedent(f"""\
QCheckBox::indicator {{
width: {indicator_height}px;
height: {indicator_height}px;
}}
QCheckBox::indicator:checked {{
image: url("{self._arrow_tip_down_icon_path}");
}}
QCheckBox::indicator:unchecked {{
image: url("{self._arrow_tip_right_icon_path}");
}}
QCheckBox::indicator:checked:pressed,
QCheckBox::indicator:unchecked:pressed {{
background-color: {self.palette().base().color().name()};
}}
"""))
self._widget = QtWidgets.QGroupBox()
layout = QtWidgets.QVBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
layout.addWidget(self._checkbox)
layout.addWidget(self._widget)
self._checkbox.toggled.connect(self._widget.setVisible)
self._checkbox.toggled.connect(self.toggled)
def setLayout(self, layout: QtWidgets.QLayout):
self._widget.setLayout(layout)
def layout(self) -> QtWidgets.QLayout:
return self._widget.layout()
def set_expanded(self, expanded: bool):
self._checkbox.setChecked(expanded)
class HelpDialog(QtWidgets.QDialog):
def __init__(self, text: str, parent: QtWidgets.QWidget | None = None):
super().__init__(parent, QtCore.Qt.Popup | QtCore.Qt.FramelessWindowHint)
label = QtWidgets.QLabel()
label.setText(text)
label.setWordWrap(True)
label.setTextInteractionFlags(QtCore.Qt.TextBrowserInteraction)
label.setOpenExternalLinks(True)
# Several of these settings are taken from `qtooltip.cpp`.
label.setForegroundRole(QtGui.QPalette.ToolTipText)
label.setBackgroundRole(QtGui.QPalette.ToolTipBase)
label.setPalette(QtWidgets.QToolTip.palette())
label.ensurePolished()
label.setMargin(int(label.fontMetrics().height() * 0.75))
label.setFrameStyle(QtWidgets.QFrame.NoFrame)
label.setAlignment(QtCore.Qt.AlignLeft)
label.setIndent(1)
layout = QtWidgets.QVBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(label)
class HelpButton(QtWidgets.QPushButton):
_normal_icon = None
_hover_icon = None
_pressed_icon = None
def __init__(self, text: str, parent: QtWidgets.QWidget | None = None):
super().__init__(parent=parent)
self._text = text
self._pressed = False
if HelpButton._normal_icon is None:
HelpButton._normal_icon = QtGui.QIcon(os.path.join(gui_dir, 'help_normal.svg'))
HelpButton._hover_icon = QtGui.QIcon(os.path.join(gui_dir, 'help_hover.svg'))
HelpButton._pressed_icon = QtGui.QIcon(os.path.join(gui_dir, 'help_pressed.svg'))
self.setFlat(True)
self.setStyleSheet('QPushButton { border-style: outset; border-width: 0px; }')
font_height = self.fontMetrics().height()
size = int(font_height * 0.95) // 2 * 2
self.setFixedSize(size, size)
self.setIconSize(QtCore.QSize(size, size))
self.setIcon(HelpButton._normal_icon)
self.clicked.connect(self._on_clicked)
def enterEvent(self, event):
super().enterEvent(event)
if not self._pressed:
self.setIcon(HelpButton._hover_icon)
def leaveEvent(self, event):
super().leaveEvent(event)
if not self._pressed:
self.setIcon(HelpButton._normal_icon)
def mousePressEvent(self, event):
super().mousePressEvent(event)
if event.button() == QtCore.Qt.LeftButton:
self.setIcon(HelpButton._pressed_icon)
def mouseReleaseEvent(self, event):
super().mouseReleaseEvent(event)
if event.button() == QtCore.Qt.LeftButton:
contained = self.geometry().contains(event.position().toPoint())
self.setIcon(HelpButton._hover_icon if contained else HelpButton._normal_icon)
def _on_clicked(self):
self.setIcon(HelpButton._pressed_icon)
parent_widget = self.parentWidget()
dialog = HelpDialog(self._text, parent_widget)
anchor_pos = parent_widget.mapToGlobal(self.geometry().topLeft())
char_width = self.fontMetrics().averageCharWidth()
dialog.ensurePolished()
dialog.move(anchor_pos.x() - dialog.sizeHint().width() - char_width, anchor_pos.y())
dialog.deleteLater()
self._pressed = True
dialog.exec()
self._pressed = False
pos = self.mapFromGlobal(QtGui.QCursor.pos())
contained = self.geometry().contains(pos)
self.setIcon(HelpButton._hover_icon if contained else HelpButton._normal_icon)
class CopyableImageWidget(QtWidgets.QLabel):
def __init__(self, pixmap: QtGui.QPixmap, parent: QtWidgets.QWidget = None):
super().__init__(parent=parent)
self._pixmap = pixmap
self.setPixmap(pixmap)
menu = QtWidgets.QMenu(self)
copy_action = menu.addAction('Copy to Clipboard')
copy_action.triggered.connect(self._on_copy_action_triggered)
self.customContextMenuRequested.connect(lambda pos: menu.exec_(self.mapToGlobal(pos)))
self.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
def _on_copy_action_triggered(self):
QtWidgets.QApplication.instance().clipboard().setImage(self._pixmap.toImage())
class SpinnableSlider(QtWidgets.QWidget):
value_changed = QtCore.Signal(int)
def __init__(self, parent=None):
super().__init__(parent=parent)
self.setContentsMargins(0, 0, 0, 0)
self.__slider = QtWidgets.QSlider()
self.__slider.setOrientation(QtCore.Qt.Horizontal)
self.__slider.valueChanged.connect(self._on_value_changed)
self.__spinbox = QtWidgets.QSpinBox()
self.__spinbox.valueChanged.connect(self._on_value_changed)
layout = QtWidgets.QHBoxLayout(self)
layout.setSpacing(2)
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self.__slider)
layout.addWidget(self.__spinbox)
def set_range(self, min_value: int, max_value: int, value: int):
self.__slider.setMinimum(min_value)
self.__slider.setMaximum(max_value)
self.__spinbox.setMinimum(min_value)
self.__spinbox.setMaximum(max_value)
self.__slider.setValue(value)
self.__spinbox.setValue(value)
def set_value(self, value: int):
self.__slider.setValue(value)
def get_value(self) -> int:
return self.__slider.value()
def set_read_only(self, read_only: bool):
self.__slider.setDisabled(bool(read_only))
self.__spinbox.setReadOnly(bool(read_only))
def _on_value_changed(self, value: int):
with blocked_signals(self.__slider):
self.__slider.setValue(value)
with blocked_signals(self.__spinbox):
self.__spinbox.setValue(value)
self.value_changed.emit(value)
class SelectionStyledItemDelegate(QtWidgets.QStyledItemDelegate):
def initStyleOption(self, option: QtWidgets.QStyleOptionViewItem, index: QtCore.QModelIndex):
super().initStyleOption(option, index)
selected = option.state & QtWidgets.QStyle.State_Selected
if selected:
option.backgroundBrush = option.palette.highlight().color().darker()
option.showDecorationSelected = True
option.state = (option.state & ~QtWidgets.QStyle.State_Selected
& ~QtWidgets.QStyle.State_HasFocus)
class DropWidget(QtWidgets.QWidget):
def __init__(self, parent=None):
super().__init__(parent=parent)
self._source_ids = tuple()
self._overlay_widget = None
self.setAcceptDrops(True)
def set_sources(self, sources: 'list[QtCore.QObject]'):
self._source_ids = tuple(id(src) for src in sources)
def dragEnterEvent(self, event: QtGui.QDragEnterEvent):
if id(event.source()) in self._source_ids:
event.accept()
self._overlay_widget = QtWidgets.QWidget(self)
self._overlay_widget.setAutoFillBackground(True)
palette = self._overlay_widget.palette()
color = palette.color(QtGui.QPalette.Text)
palette.setColor(QtGui.QPalette.Window, color)
self._overlay_widget.setPalette(palette)
self._overlay_widget.setVisible(True)
rect = self.rect()
rect.setWidth(rect.width() - 1)
rect.setHeight(rect.height() - 1)
self._overlay_widget.setGeometry(rect)
if rect.width() > 2 and rect.height() > 2:
inner_rect = QtCore.QRect(1, 1, rect.width() - 2, rect.height() - 2)
region = QtGui.QRegion(rect).xored(QtGui.QRegion(inner_rect))
self._overlay_widget.setMask(region)
def dragLeaveEvent(self, event: QtGui.QDragLeaveEvent):
_ = event
self._overlay_widget.deleteLater()
self._overlay_widget = None
def dropEvent(self, event: QtGui.QDropEvent):
event.accept()
self._overlay_widget.deleteLater()
self._overlay_widget = None
class DragTableWidget(QtWidgets.QTableWidget):
def supportedDropActions(self):
return super().supportedDropActions() & ~QtCore.Qt.MoveAction
class DragDropTableHeaderWidget(QtWidgets.QWidget):
_MARGIN = 0.25
def __init__(self, parent: QtWidgets.QWidget = None):
super().__init__(parent=parent)
self._columns = []
palette = self.palette()
palette.setBrush(self.backgroundRole(), palette.button())
self.setPalette(palette)
self.setAutoFillBackground(True)
layout = QtWidgets.QHBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
def add_column(self, emoji: str, label: str, tool_tip: str):
widget = QtWidgets.QLabel(f'{emoji} {label}')
widget.setAlignment(QtCore.Qt.AlignCenter)
widget.setToolTip(tool_tip)
widget.setSizePolicy(QtWidgets.QSizePolicy.Ignored, QtWidgets.QSizePolicy.Maximum)
margin = int(self.fontMetrics().height() * self._MARGIN)
color = self.palette().dark().color().name()
first = not self.layout().count()
widget.setStyleSheet(
textwrap.dedent(f"""\
QLabel {{
padding: {margin}px;
border: 0px;
border-top: 1px solid {color};
border-right: 1px solid {color};
border-left: {1 if first else 0}px solid {color};
}}
"""))
self._columns.append((emoji, label, widget))
self.layout().addWidget(widget)
def resizeEvent(self, event: QtGui.QResizeEvent):
super().resizeEvent(event)
font_metrics = self.fontMetrics()
margin = int(font_metrics.height() * self._MARGIN)
available_width = self.width() / len(self._columns)
overflow = False
for emoji, label, _widget in self._columns:
width = font_metrics.horizontalAdvance(f'{emoji} {label}')
if width + margin * 4 >= available_width:
overflow = True
break
for emoji, label, widget in self._columns:
widget.setText(emoji if overflow else f'{emoji} {label}')
class DragDropTableWidget(QtWidgets.QTableWidget):
def __init__(self, rows: int, columns: int, parent: QtWidgets.QWidget = None):
super().__init__(rows, columns, parent=parent)
self._rows = rows
self._columns = columns
self.__companion_tables = []
self.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers)
self.setDragDropMode(QtWidgets.QAbstractItemView.DragDrop)
self.setDefaultDropAction(QtCore.Qt.MoveAction)
self.itemSelectionChanged.connect(self._on_itemSelectionChanged)
self.setItemDelegate(SelectionStyledItemDelegate(self))
self.setVerticalScrollMode(QtWidgets.QAbstractItemView.ScrollPerPixel)
self.setHorizontalScrollMode(QtWidgets.QAbstractItemView.ScrollPerPixel)
self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.horizontalHeader().setSectionResizeMode(QtWidgets.QHeaderView.Stretch)
self.horizontalHeader().setMinimumSectionSize(0)
self.horizontalHeader().hide()
self.verticalHeader().setSectionResizeMode(QtWidgets.QHeaderView.Stretch)
self.verticalHeader().hide()
self.setContextMenuPolicy(QtCore.Qt.ActionsContextMenu)
self.clear_selection_action = QtGui.QAction('Clear Selection', self)
self.clear_selection_action.setShortcut(QtGui.QKeySequence(QtCore.Qt.Key_Delete))
self.clear_selection_action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut)
self.clear_page_action = QtGui.QAction('Clear Page', self)
self.clear_all_pages_action = QtGui.QAction('Clear All Pages', self)
self.addAction(self.clear_selection_action)
self.addAction(self.clear_page_action)
self.addAction(self.clear_all_pages_action)
def add_companion_table(self, table: QtWidgets.QTableWidget):
self.__companion_tables.append(table)
def dropEvent(self, event: QtGui.QDropEvent):
# When a drop occurs on the edge between two items, Qt may try to insert a row. This is a
# workaround that modifies the drop position to match the center of the target item,
# minimizing the probability of dropping over an edge. Also, dropped items are not
# reselected in the target table, which this code addresses.
if not event.isAccepted():
target_model_index = self.indexAt(event.pos())
if target_model_index.isValid():
rect = self.visualRect(target_model_index)
centered_pos = QtCore.QPointF(rect.x() + rect.width() / 2,
rect.y() + rect.height() / 2)
synthetic_event = QtGui.QDropEvent(centered_pos, event.dropAction(),
event.mimeData(), event.mouseButtons(),
event.keyboardModifiers(), event.type())
# Find in the companion tables (and ourselves) the list of selected indexes, so that
# the selection in this table can be replicated after dropping the items.
target_indexes = []
dropping_model_indexes = None
for table in [self] + self.__companion_tables:
indexes = table.selectionModel().selectedIndexes()
if indexes:
assert dropping_model_indexes is None
dropping_model_indexes = indexes
if dropping_model_indexes:
min_row = min(mi.row() for mi in dropping_model_indexes)
min_column = min(mi.column() for mi in dropping_model_indexes)
for mi in dropping_model_indexes:
row = mi.row() - min_row + target_model_index.row()
column = mi.column() - min_column + target_model_index.column()
target_indexes.append((row, column))
super().dropEvent(synthetic_event)
def select_later():
item_selection = QtCore.QItemSelection()
for row, column in target_indexes:
model_index = self.model().index(row, column)
item_selection.select(model_index, model_index)
if target_indexes:
self.setCurrentCell(*target_indexes[0])
self.selectionModel().select(item_selection,
QtCore.QItemSelectionModel.ClearAndSelect)
QtCore.QTimer.singleShot(0, select_later)
if synthetic_event.isAccepted():
event.accept()
self._create_missing_items()
return
super().dropEvent(event)
def startDrag(self, supportedActions: QtCore.Qt.DropActions):
# Reimplemented to disallow drag start actions on empty cells.
model = self.model()
for index in self.selectionModel().selectedIndexes():
if model.data(index):
super().startDrag(supportedActions)
break
def _on_itemSelectionChanged(self):
self._create_missing_items()
def _on_itemChanged(self, item: QtWidgets.QTableWidgetItem):
# The QTableWidget's drag and drop default behavior can be odd when movable rows have been
# disabled: it may append rows when an item is dropped between two cells. In case things go
# wrong, the number of rows will be trimmed.
if item.row() >= self._rows:
self.setRowCount(self._rows)
if item.column() >= self._columns:
self.setColumnCount(self._columns)
def _create_missing_items(self):
# Make sure that all cells have an item, even if it's empty. Again, this is to prevent some
# misbehavior when attempting to move itemless cells between different tables.
for row in range(self.rowCount()):
for column in range(self.columnCount()):
item = self.item(row, column)
if item is None:
self.setItem(row, column, QtWidgets.QTableWidgetItem(str()))
class ASTPlayer(QtWidgets.QWidget):
_play_icon = None
_pause_icon = None
_audio_tmp_dir = None
def __init__(self, filepath: str, parent: QtWidgets.QWidget = None):
super().__init__(parent=parent)
self._ast_filepath = filepath
self._wav_filepath = None
self._media_player = None
self._audio_output = None
if ASTPlayer._play_icon is None:
play_icon_path = os.path.join(gui_dir, 'play.svg')
ASTPlayer._play_icon = QtGui.QIcon(play_icon_path)
if ASTPlayer._pause_icon is None:
pause_icon_path = os.path.join(gui_dir, 'pause.svg')
ASTPlayer._pause_icon = QtGui.QIcon(pause_icon_path)
self._play_button = QtWidgets.QPushButton(ASTPlayer._play_icon, '')
self._play_button.setCheckable(True)
height = self._play_button.sizeHint().height()
self._play_button.setFixedSize(height, height)
self._play_button.clicked.connect(self._on_play_button_clicked)
self._timeline_slider = QtWidgets.QSlider()
self._timeline_slider.setOrientation(QtCore.Qt.Horizontal)
self._timeline_slider.setEnabled(False)
self._timeline_slider.setMaximum(0)
layout = QtWidgets.QHBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self._play_button)
layout.addWidget(self._timeline_slider)
def _initialize_media_player(self):
if self._media_player is not None:
return
if not self._wav_filepath or not os.path.isfile(self._wav_filepath):
error_message = None
exception_info = None
try:
progress_dialog = ProgressDialog('Converting AST audio file...',
self._convert_audio_file, self)
progress_dialog.execute_and_wait()
except mkdd_extender.MKDDExtenderError as e:
if e.text is None or e.detailed_text is None:
error_message = str(e)
else:
error_message = e.text
exception_info = e.detailed_text
except AssertionError as e:
error_message = str(e) or 'Assertion error.'
exception_info = traceback.format_exc()
except Exception as e:
error_message = str(e)
exception_info = traceback.format_exc()
if error_message is not None:
error_message = error_message or 'Unknown error.'
icon_name = 'error'
title = 'Error'
text = error_message
detailed_text = exception_info
show_message(icon_name, title, text, detailed_text, self)
if not self._wav_filepath or not os.path.isfile(self._wav_filepath):
return
self._media_player = QtMultimedia.QMediaPlayer()
self._audio_output = QtMultimedia.QAudioOutput()
self._audio_output.setVolume(0.5)
self._media_player.setAudioOutput(self._audio_output)
self._media_player.playbackStateChanged.connect(self._on_media_player_playbackStateChanged)
self._media_player.seekableChanged.connect(self._on_media_player_seekableChanged)
self._media_player.durationChanged.connect(self._on_media_player_durationChanged)
self._media_player.positionChanged.connect(self._on_media_player_positionChanged)
self._media_player.setSource(QtCore.QUrl.fromLocalFile(self._wav_filepath))
self._timeline_slider.valueChanged.connect(self._on_timeline_slider_valueChanged)
def _convert_audio_file(self):
if ASTPlayer._audio_tmp_dir is None:
ASTPlayer._audio_tmp_dir = tempfile.mkdtemp(prefix=mkdd_extender.TEMP_DIR_PREFIX)
atexit.register(shutil.rmtree, ASTPlayer._audio_tmp_dir, ignore_errors=True)
wav_filepath = os.path.join(ASTPlayer._audio_tmp_dir, f'{hash(self._ast_filepath)}.wav')
if not os.path.isfile(wav_filepath):
ast_converter.convert_to_wav(self._ast_filepath, wav_filepath)
self._wav_filepath = wav_filepath
def _on_play_button_clicked(self, checked: bool = False):
if checked:
self._initialize_media_player()
if self._media_player is not None: