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Rare/rare/utils/extra_widgets.py

255 lines
8.2 KiB
Python

import os
from PyQt5.QtCore import Qt, QRect, QSize, QPoint, pyqtSignal
from PyQt5.QtGui import QMovie
from PyQt5.QtWidgets import QLayout, QStyle, QSizePolicy, QLabel, QFileDialog, QHBoxLayout, QWidget, QPushButton, \
QStyleOptionTab, QStylePainter, QTabBar
from qtawesome import icon
from rare import resources_path
from rare.ui.utils.pathedit import Ui_PathEdit
class FlowLayout(QLayout):
def __init__(self, parent=None, margin=-1, hspacing=-1, vspacing=-1):
super(FlowLayout, self).__init__(parent)
self._hspacing = hspacing
self._vspacing = vspacing
self._items = []
self.setContentsMargins(margin, margin, margin, margin)
def __del__(self):
del self._items[:]
def addItem(self, item):
self._items.append(item)
def horizontalSpacing(self):
if self._hspacing >= 0:
return self._hspacing
else:
return self.smartSpacing(
QStyle.PM_LayoutHorizontalSpacing)
def verticalSpacing(self):
if self._vspacing >= 0:
return self._vspacing
else:
return self.smartSpacing(
QStyle.PM_LayoutVerticalSpacing)
def count(self):
return len(self._items)
def itemAt(self, index):
if 0 <= index < len(self._items):
return self._items[index]
def takeAt(self, index):
if 0 <= index < len(self._items):
return self._items.pop(index)
def expandingDirections(self):
return Qt.Orientations(0)
def hasHeightForWidth(self):
return True
def heightForWidth(self, width):
return self.doLayout(QRect(0, 0, width, 0), True)
def setGeometry(self, rect):
super(FlowLayout, self).setGeometry(rect)
self.doLayout(rect, False)
def sizeHint(self):
return self.minimumSize()
def minimumSize(self):
size = QSize()
for item in self._items:
size = size.expandedTo(item.minimumSize())
left, top, right, bottom = self.getContentsMargins()
size += QSize(left + right, top + bottom)
return size
def doLayout(self, rect, testonly):
left, top, right, bottom = self.getContentsMargins()
effective = rect.adjusted(+left, +top, -right, -bottom)
x = effective.x()
y = effective.y()
lineheight = 0
for item in self._items:
widget = item.widget()
if not widget.isVisible():
continue
hspace = self.horizontalSpacing()
if hspace == -1:
hspace = widget.style().layoutSpacing(
QSizePolicy.PushButton,
QSizePolicy.PushButton, Qt.Horizontal)
vspace = self.verticalSpacing()
if vspace == -1:
vspace = widget.style().layoutSpacing(
QSizePolicy.PushButton,
QSizePolicy.PushButton, Qt.Vertical)
nextX = x + item.sizeHint().width() + hspace
if nextX - hspace > effective.right() and lineheight > 0:
x = effective.x()
y = y + lineheight + vspace
nextX = x + item.sizeHint().width() + hspace
lineheight = 0
if not testonly:
item.setGeometry(
QRect(QPoint(x, y), item.sizeHint()))
x = nextX
lineheight = max(lineheight, item.sizeHint().height())
return y + lineheight - rect.y() + bottom
def smartSpacing(self, pm):
parent = self.parent()
if parent is None:
return -1
elif parent.isWidgetType():
return parent.style().pixelMetric(pm, None, parent)
else:
return parent.spacing()
class PathEdit(QWidget, Ui_PathEdit):
def __init__(self,
text: str = "",
file_type: QFileDialog.FileType = QFileDialog.AnyFile,
type_filter: str = None,
name_filter: str = None,
edit_func: callable = None,
save_func: callable = None):
super(PathEdit, self).__init__()
self.setupUi(self)
self.type_filter = type_filter
self.name_filter = name_filter
self.file_type = file_type
self.edit_func = edit_func
self.save_func = save_func
if text:
self.text_edit.setText(text)
if self.edit_func is not None:
self.text_edit.textChanged.connect(self.edit_func)
if self.save_func is None:
self.save_path_button.setVisible(False)
else:
self.text_edit.textChanged.connect(lambda t: self.save_path_button.setDisabled(False))
self.save_path_button.clicked.connect(self.save)
self.save_path_button.setDisabled(True)
self.path_select.clicked.connect(self.set_path)
def text(self):
return self.text_edit.text()
def setText(self, text: str):
self.text_edit.setText(text)
def save(self):
self.save_func()
self.save_path_button.setDisabled(True)
def set_path(self):
dlg_path = self.text_edit.text()
if not dlg_path:
dlg_path = os.path.expanduser("~/")
dlg = QFileDialog(self, self.tr("Choose path"), dlg_path)
dlg.setFileMode(self.file_type)
if self.type_filter:
dlg.setFilter([self.type_filter])
if self.name_filter:
dlg.setNameFilter(self.name_filter)
if dlg.exec_():
names = dlg.selectedFiles()
self.text_edit.setText(names[0])
class SideTabBar(QTabBar):
def __init__(self):
super(SideTabBar, self).__init__()
self.setObjectName("settings_bar")
def tabSizeHint(self, index):
# width = QTabBar.tabSizeHint(self, index).width()
return QSize(200, 30)
def paintEvent(self, event):
painter = QStylePainter(self)
opt = QStyleOptionTab()
for i in range(self.count()):
self.initStyleOption(opt, i)
painter.drawControl(QStyle.CE_TabBarTabShape, opt)
painter.save()
s = opt.rect.size()
s.transpose()
r = QRect(QPoint(), s)
r.moveCenter(opt.rect.center())
opt.rect = r
c = self.tabRect(i).center()
painter.translate(c)
painter.rotate(90)
painter.translate(-c)
painter.drawControl(QStyle.CE_TabBarTabLabel, opt);
painter.restore()
class WaitingSpinner(QLabel):
def __init__(self):
super(WaitingSpinner, self).__init__()
self.setStyleSheet("""
margin-left: auto;
margin-right: auto;
""")
self.movie = QMovie(os.path.join(resources_path, "images", "loader.gif"))
self.setMovie(self.movie)
self.movie.start()
class SelectViewWidget(QWidget):
toggled = pyqtSignal()
def __init__(self, icon_view: bool):
super(SelectViewWidget, self).__init__()
self.icon_view = icon_view
self.setStyleSheet("""QPushButton{border: none; background-color: transparent}""")
self.icon_view_button = QPushButton()
self.list_view = QPushButton()
if icon_view:
self.icon_view_button.setIcon(icon("mdi.view-grid-outline", color="orange"))
self.list_view.setIcon(icon("fa5s.list"))
else:
self.icon_view_button.setIcon(icon("mdi.view-grid-outline"))
self.list_view.setIcon(icon("fa5s.list", color="orange"))
self.icon_view_button.clicked.connect(self.icon)
self.list_view.clicked.connect(self.list)
self.layout = QHBoxLayout()
self.layout.addWidget(self.icon_view_button)
self.layout.addWidget(self.list_view)
self.setLayout(self.layout)
def isChecked(self):
return self.icon_view
def icon(self):
self.icon_view_button.setIcon(icon("mdi.view-grid-outline", color="orange"))
self.list_view.setIcon(icon("fa5s.list"))
self.icon_view = False
self.toggled.emit()
def list(self):
self.icon_view_button.setIcon(icon("mdi.view-grid-outline"))
self.list_view.setIcon(icon("fa5s.list", color="orange"))
self.icon_view = True
self.toggled.emit()