477 lines
17 KiB
Python
477 lines
17 KiB
Python
import os
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from logging import getLogger
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from typing import Callable, Tuple
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from PyQt5.QtCore import Qt, QCoreApplication, QRect, QSize, QPoint, pyqtSignal, QFileInfo
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from PyQt5.QtGui import QMovie, QPixmap, QFontMetrics, QImage
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from PyQt5.QtWidgets import QLayout, QStyle, QSizePolicy, QLabel, QFileDialog, QHBoxLayout, QWidget, QPushButton, \
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QStyleOptionTab, QStylePainter, QTabBar, QLineEdit, QToolButton, QTabWidget, QCompleter, QFileSystemModel, \
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QStyledItemDelegate, QFileIconProvider
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from qtawesome import icon as qta_icon
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from rare import cache_dir
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from rare.utils.qt_requests import QtRequestManager
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logger = getLogger("ExtraWidgets")
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class FlowLayout(QLayout):
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def __init__(self, parent=None, margin=-1, hspacing=-1, vspacing=-1):
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super(FlowLayout, self).__init__(parent)
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self._hspacing = hspacing
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self._vspacing = vspacing
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self._items = []
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self.setContentsMargins(margin, margin, margin, margin)
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def __del__(self):
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del self._items[:]
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def addItem(self, item):
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self._items.append(item)
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def horizontalSpacing(self):
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if self._hspacing >= 0:
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return self._hspacing
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else:
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return self.smartSpacing(
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QStyle.PM_LayoutHorizontalSpacing)
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def verticalSpacing(self):
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if self._vspacing >= 0:
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return self._vspacing
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else:
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return self.smartSpacing(
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QStyle.PM_LayoutVerticalSpacing)
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def count(self):
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return len(self._items)
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def itemAt(self, index):
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if 0 <= index < len(self._items):
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return self._items[index]
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def takeAt(self, index):
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if 0 <= index < len(self._items):
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return self._items.pop(index)
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def expandingDirections(self):
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return Qt.Orientations(0)
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def hasHeightForWidth(self):
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return True
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def heightForWidth(self, width):
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return self.doLayout(QRect(0, 0, width, 0), True)
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def setGeometry(self, rect):
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super(FlowLayout, self).setGeometry(rect)
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self.doLayout(rect, False)
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def sizeHint(self):
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return self.minimumSize()
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def minimumSize(self):
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size = QSize()
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for item in self._items:
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size = size.expandedTo(item.minimumSize())
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left, top, right, bottom = self.getContentsMargins()
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size += QSize(left + right, top + bottom)
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return size
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def doLayout(self, rect, testonly):
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left, top, right, bottom = self.getContentsMargins()
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effective = rect.adjusted(+left, +top, -right, -bottom)
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x = effective.x()
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y = effective.y()
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lineheight = 0
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for item in self._items:
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widget = item.widget()
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if not widget.isVisible():
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continue
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hspace = self.horizontalSpacing()
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if hspace == -1:
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hspace = widget.style().layoutSpacing(
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QSizePolicy.PushButton,
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QSizePolicy.PushButton, Qt.Horizontal)
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vspace = self.verticalSpacing()
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if vspace == -1:
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vspace = widget.style().layoutSpacing(
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QSizePolicy.PushButton,
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QSizePolicy.PushButton, Qt.Vertical)
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nextX = x + item.sizeHint().width() + hspace
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if nextX - hspace > effective.right() and lineheight > 0:
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x = effective.x()
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y = y + lineheight + vspace
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nextX = x + item.sizeHint().width() + hspace
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lineheight = 0
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if not testonly:
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item.setGeometry(
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QRect(QPoint(x, y), item.sizeHint()))
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x = nextX
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lineheight = max(lineheight, item.sizeHint().height())
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return y + lineheight - rect.y() + bottom
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def smartSpacing(self, pm):
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parent = self.parent()
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if parent is None:
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return -1
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elif parent.isWidgetType():
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return parent.style().pixelMetric(pm, None, parent)
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else:
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return parent.spacing()
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class IndicatorLineEdit(QWidget):
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textChanged = pyqtSignal(str)
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is_valid = False
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def __init__(self,
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text: str = "",
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ph_text: str = "",
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completer: QCompleter = None,
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edit_func: Callable[[str], Tuple[bool, str]] = None,
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save_func: Callable[[str], None] = None,
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horiz_policy: QSizePolicy = QSizePolicy.Expanding,
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parent=None):
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super(IndicatorLineEdit, self).__init__(parent=parent)
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self.setObjectName("IndicatorLineEdit")
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self.layout = QHBoxLayout(self)
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self.layout.setObjectName("layout")
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self.layout.setContentsMargins(0, 0, 0, 0)
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# Add line_edit
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self.line_edit = QLineEdit(self)
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self.line_edit.setObjectName("line_edit")
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self.line_edit.setPlaceholderText(ph_text)
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self.line_edit.setSizePolicy(horiz_policy, QSizePolicy.Fixed)
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# Add hint_label to line_edit
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self.line_edit.setLayout(QHBoxLayout())
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self.hint_label = QLabel()
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self.hint_label.setObjectName('HintLabel')
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self.hint_label.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
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self.line_edit.layout().setContentsMargins(0, 0, 10, 0)
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self.line_edit.layout().addWidget(self.hint_label)
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# Add completer
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if completer is not None:
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completer.popup().setItemDelegate(QStyledItemDelegate(self))
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completer.popup().setAlternatingRowColors(True)
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self.line_edit.setCompleter(completer)
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self.layout.addWidget(self.line_edit)
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if edit_func is not None:
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self.indicator_label = QLabel()
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self.indicator_label.setPixmap(qta_icon("ei.info-circle", color="gray").pixmap(16, 16))
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self.indicator_label.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
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self.layout.addWidget(self.indicator_label)
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if not ph_text:
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_translate = QCoreApplication.translate
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self.line_edit.setPlaceholderText(_translate(self.__class__.__name__, "Default"))
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self.edit_func = edit_func
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self.save_func = save_func
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self.line_edit.textChanged.connect(self.__edit)
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if self.edit_func is None:
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self.line_edit.textChanged.connect(self.__save)
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# lk: this can be placed here to trigger __edit
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# lk: it going to save the input again if it is valid which
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# lk: is ok to do given the checks don't misbehave (they shouldn't)
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# lk: however it is going to edit any "understood" bad input to good input
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# lk: and we might not want that (but the validity check reports on the edited string)
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# lk: it is also going to trigger this widget's textChanged signal but that gets lost
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if text:
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self.line_edit.setText(text)
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def text(self) -> str:
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return self.line_edit.text()
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def setText(self, text: str):
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self.line_edit.setText(text)
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def setHintText(self, text: str):
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self.hint_label.setFrameRect(self.line_edit.rect())
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self.hint_label.setText(text)
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def __indicator(self, res):
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color = "green" if res else "red"
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self.indicator_label.setPixmap(qta_icon("ei.info-circle", color=color).pixmap(16, 16))
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def __edit(self, text):
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if self.edit_func is not None:
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self.line_edit.blockSignals(True)
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self.is_valid, text = self.edit_func(text)
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if text != self.line_edit.text():
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self.line_edit.setText(text)
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self.line_edit.blockSignals(False)
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self.__indicator(self.is_valid)
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if self.is_valid:
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self.__save(text)
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self.textChanged.emit(text)
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def __save(self, text):
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if self.save_func is not None:
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self.save_func(text)
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class PathEditIconProvider(QFileIconProvider):
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icons = [
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'mdi.file-cancel', # Unknown
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'mdi.desktop-classic', # Computer
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'mdi.desktop-mac', # Desktop
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'mdi.trash-can', # Trashcan
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'mdi.server-network', # Network
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'mdi.harddisk', # Drive
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'mdi.folder', # Folder
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'mdi.file', # File
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'mdi.cog', # Executable
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]
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def __init__(self):
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super(PathEditIconProvider, self).__init__()
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self.icon_types = dict()
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for idx, icn in enumerate(self.icons):
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self.icon_types.update({idx-1: qta_icon(icn, color='#eeeeee')})
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def icon(self, info_type):
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if isinstance(info_type, QFileInfo):
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if info_type.isRoot():
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return self.icon_types[4]
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if info_type.isDir():
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return self.icon_types[5]
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if info_type.isFile():
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return self.icon_types[6]
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if info_type.isExecutable():
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return self.icon_types[7]
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return self.icon_types[-1]
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return self.icon_types[int(info_type)]
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class PathEdit(IndicatorLineEdit):
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completer = QCompleter()
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compl_model = QFileSystemModel()
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def __init__(self,
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path: str = "",
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file_type: QFileDialog.FileType = QFileDialog.AnyFile,
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type_filter: str = "",
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name_filter: str = "",
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ph_text: str = "",
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edit_func: Callable[[str], Tuple[bool, str]] = None,
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save_func: Callable[[str], None] = None,
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horiz_policy: QSizePolicy = QSizePolicy.Expanding,
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parent=None):
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self.compl_model.setOptions(QFileSystemModel.DontWatchForChanges |
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QFileSystemModel.DontResolveSymlinks |
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QFileSystemModel.DontUseCustomDirectoryIcons)
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self.compl_model.setIconProvider(PathEditIconProvider())
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self.compl_model.setRootPath(path)
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self.completer.setModel(self.compl_model)
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super(PathEdit, self).__init__(text=path, ph_text=ph_text, completer=self.completer,
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edit_func=edit_func, save_func=save_func,
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horiz_policy=horiz_policy, parent=parent)
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self.setObjectName("PathEdit")
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self.line_edit.setMinimumSize(QSize(300, 0))
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self.path_select = QToolButton(self)
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self.path_select.setObjectName("path_select")
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self.layout.addWidget(self.path_select)
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_translate = QCoreApplication.translate
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self.path_select.setText(_translate("PathEdit", "Browse..."))
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self.type_filter = type_filter
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self.name_filter = name_filter
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self.file_type = file_type
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self.path_select.clicked.connect(self.__set_path)
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def __set_path(self):
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dlg_path = self.line_edit.text()
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if not dlg_path:
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dlg_path = os.path.expanduser("~/")
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dlg = QFileDialog(self, self.tr("Choose path"), dlg_path)
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dlg.setFileMode(self.file_type)
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if self.type_filter:
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dlg.setFilter([self.type_filter])
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if self.name_filter:
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dlg.setNameFilter(self.name_filter)
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if dlg.exec_():
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names = dlg.selectedFiles()
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self.line_edit.setText(names[0])
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self.compl_model.setRootPath(names[0])
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class SideTabBar(QTabBar):
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def __init__(self, parent=None):
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super(SideTabBar, self).__init__(parent=parent)
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self.setObjectName("SideTabBar")
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self.fm = QFontMetrics(self.font())
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def tabSizeHint(self, index):
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# width = QTabBar.tabSizeHint(self, index).width()
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return QSize(200, self.fm.height() + 18)
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def paintEvent(self, event):
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painter = QStylePainter(self)
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opt = QStyleOptionTab()
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for i in range(self.count()):
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self.initStyleOption(opt, i)
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painter.drawControl(QStyle.CE_TabBarTabShape, opt)
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painter.save()
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s = opt.rect.size()
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s.transpose()
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r = QRect(QPoint(), s)
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r.moveCenter(opt.rect.center())
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opt.rect = r
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c = self.tabRect(i).center()
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painter.translate(c)
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painter.rotate(90)
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painter.translate(-c)
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painter.drawControl(QStyle.CE_TabBarTabLabel, opt)
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painter.restore()
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class SideTabWidget(QTabWidget):
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back_clicked = pyqtSignal()
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def __init__(self, show_back: bool = False, parent=None):
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super(SideTabWidget, self).__init__(parent=parent)
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self.setTabBar(SideTabBar())
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self.setDocumentMode(True)
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self.setTabPosition(QTabWidget.West)
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if show_back:
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self.addTab(QWidget(), qta_icon("mdi.keyboard-backspace"), self.tr("Back"))
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self.tabBarClicked.connect(self.back_func)
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def back_func(self, tab):
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# shortcut for tab == 0
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if not tab:
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self.back_clicked.emit()
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class WaitingSpinner(QLabel):
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def __init__(self):
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super(WaitingSpinner, self).__init__()
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self.setStyleSheet("""
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margin-left: auto;
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margin-right: auto;
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""")
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self.movie = QMovie(":/images/loader.gif")
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self.setMovie(self.movie)
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self.movie.start()
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class SelectViewWidget(QWidget):
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toggled = pyqtSignal()
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def __init__(self, icon_view: bool):
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super(SelectViewWidget, self).__init__()
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self.icon_view = icon_view
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self.setStyleSheet("""QPushButton{border: none; background-color: transparent}""")
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self.icon_view_button = QPushButton()
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self.list_view = QPushButton()
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if icon_view:
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self.icon_view_button.setIcon(qta_icon("mdi.view-grid-outline", color="orange"))
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self.list_view.setIcon(qta_icon("fa5s.list"))
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else:
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self.icon_view_button.setIcon(qta_icon("mdi.view-grid-outline"))
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self.list_view.setIcon(qta_icon("fa5s.list", color="orange"))
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self.icon_view_button.clicked.connect(self.icon)
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self.list_view.clicked.connect(self.list)
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self.layout = QHBoxLayout()
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self.layout.addWidget(self.icon_view_button)
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self.layout.addWidget(self.list_view)
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self.setLayout(self.layout)
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def isChecked(self):
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return self.icon_view
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def icon(self):
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self.icon_view_button.setIcon(qta_icon("mdi.view-grid-outline", color="orange"))
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self.list_view.setIcon(qta_icon("fa5s.list"))
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self.icon_view = False
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self.toggled.emit()
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def list(self):
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self.icon_view_button.setIcon(qta_icon("mdi.view-grid-outline"))
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self.list_view.setIcon(qta_icon("fa5s.list", color="orange"))
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self.icon_view = True
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self.toggled.emit()
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class ImageLabel(QLabel):
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image = None
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img_size = None
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name = str()
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def __init__(self):
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super(ImageLabel, self).__init__()
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self.path = cache_dir
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self.manager = QtRequestManager("bytes")
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def update_image(self, url, name="", size: tuple = (240, 320)):
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self.setFixedSize(*size)
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self.img_size = size
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self.name = name
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for c in r'<>?":|\/* ':
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self.name = self.name.replace(c, "")
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if self.img_size[0] > self.img_size[1]:
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name_extension = "wide"
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else:
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name_extension = "tall"
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self.name = f"{self.name}_{name_extension}.png"
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if not os.path.exists(os.path.join(self.path, self.name)):
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self.manager.get(url, self.image_ready)
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# self.request.finished.connect(self.image_ready)
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else:
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self.show_image()
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def image_ready(self, data):
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try:
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self.setPixmap(QPixmap())
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except Exception:
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logger.warning("C++ object already removed, when image ready")
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return
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image = QImage()
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image.loadFromData(data)
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image = image.scaled(*self.img_size[:2], Qt.KeepAspectRatio, transformMode=Qt.SmoothTransformation)
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pixmap = QPixmap().fromImage(image)
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self.setPixmap(pixmap)
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def show_image(self):
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self.image = QPixmap(os.path.join(self.path, self.name)).scaled(*self.img_size,
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transformMode=Qt.SmoothTransformation)
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self.setPixmap(self.image)
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class ButtonLineEdit(QLineEdit):
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buttonClicked = pyqtSignal()
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def __init__(self, icon_name, placeholder_text: str, parent=None):
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super(ButtonLineEdit, self).__init__(parent)
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self.button = QToolButton(self)
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self.button.setIcon(qta_icon(icon_name, color="white"))
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self.button.setStyleSheet('border: 0px; padding: 0px;')
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self.button.setCursor(Qt.ArrowCursor)
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self.button.clicked.connect(self.buttonClicked.emit)
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self.setPlaceholderText(placeholder_text)
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frameWidth = self.style().pixelMetric(QStyle.PM_DefaultFrameWidth)
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buttonSize = self.button.sizeHint()
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self.setStyleSheet('QLineEdit {padding-right: %dpx; }' % (buttonSize.width() + frameWidth + 1))
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self.setMinimumSize(max(self.minimumSizeHint().width(), buttonSize.width() + frameWidth * 2 + 2),
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max(self.minimumSizeHint().height(), buttonSize.height() + frameWidth * 2 + 2))
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def resizeEvent(self, event):
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buttonSize = self.button.sizeHint()
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frameWidth = self.style().pixelMetric(QStyle.PM_DefaultFrameWidth)
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self.button.move(self.rect().right() - frameWidth - buttonSize.width(),
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(self.rect().bottom() - buttonSize.height() + 1) // 2)
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super(ButtonLineEdit, self).resizeEvent(event)
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