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from typing import List, Union, Tuple
import numpy as np
from qtpy.QtWidgets import QGraphicsOpacityEffect, QLabel, QColorDialog, QMenu
from qtpy.QtCore import Qt, QPropertyAnimation, QEasingCurve, Signal
from qtpy.QtGui import QMouseEvent, QWheelEvent, QColor
from utils.shared import CONFIG_FONTSIZE_CONTENT
from utils import shared
class FadeLabel(QLabel):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# https://stackoverflow.com/questions/57828052/qpropertyanimation-not-working-with-window-opacity
effect = QGraphicsOpacityEffect(self, opacity=1.0)
self.setGraphicsEffect(effect)
self.fadeAnimation = QPropertyAnimation(
self,
propertyName=b"opacity",
targetObject=effect,
duration=1200,
startValue=1.0,
endValue=0.,
)
self.fadeAnimation.setEasingCurve(QEasingCurve.Type.InQuint)
self.fadeAnimation.finished.connect(self.hide)
self.setHidden(True)
self.gv = None
def startFadeAnimation(self):
self.show()
self.fadeAnimation.stop()
self.fadeAnimation.start()
def wheelEvent(self, event: QWheelEvent) -> None:
if self.gv is not None:
self.gv.wheelEvent(event)
return super().wheelEvent(event)
class ColorPickerLabel(QLabel):
colorChanged = Signal(bool)
apply_color = Signal(str, tuple)
changingColor = Signal()
def __init__(self, parent=None, param_name='', *args, **kwargs):
super().__init__(parent=parent, *args, **kwargs)
self.color: QColor = None
self.param_name = param_name
def mousePressEvent(self, event: QMouseEvent):
btn = event.button()
if btn == Qt.MouseButton.LeftButton:
self.changingColor.emit()
color = QColorDialog.getColor()
is_valid = color.isValid()
if is_valid:
self.setPickerColor(color)
self.colorChanged.emit(is_valid)
elif btn == Qt.MouseButton.RightButton:
menu = QMenu(self)
apply_act = menu.addAction(self.tr("Apply Color"))
rst = menu.exec(event.globalPosition().toPoint())
if rst == apply_act and self.color is not None:
self.apply_color.emit(self.param_name, self.rgb())
def setPickerColor(self, color: Union[QColor, List, Tuple]):
if not isinstance(color, QColor):
if isinstance(color, np.ndarray):
color = np.round(color).astype(np.uint8).tolist()
color = QColor(*color)
self.color = color
r, g, b, a = color.getRgb()
rgba = f'rgba({r}, {g}, {b}, {a})'
self.setStyleSheet("background-color: " + rgba)
def rgb(self) -> List:
color = self.color
return (color.red(), color.green(), color.blue())
def rgba(self) -> List:
color = self.color
return (color.red(), color.green(), color.blue(), color.alpha())
class SmallColorPickerLabel(ColorPickerLabel):
pass
class ClickableLabel(QLabel):
clicked = Signal()
def __init__(self, text=None, parent=None, *args, **kwargs):
super().__init__(parent=parent, *args, **kwargs)
if text is not None:
self.setText(text)
def mousePressEvent(self, e: QMouseEvent) -> None:
if e.button() == Qt.MouseButton.LeftButton:
self.clicked.emit()
return super().mousePressEvent(e)
class ConfigClickableLabel(ClickableLabel):
pass
class CheckableLabel(QLabel):
checkStateChanged = Signal(bool)
def __init__(self, checked_text: str, unchecked_text: str, default_checked: bool = False, *args, **kwargs):
super().__init__(*args, **kwargs)
self.checked_text = checked_text
self.unchecked_text = unchecked_text
self.checked = default_checked
self.setAlignment(Qt.AlignmentFlag.AlignCenter)
if default_checked:
self.setText(checked_text)
else:
self.setText(unchecked_text)
def mousePressEvent(self, e: QMouseEvent) -> None:
if e.button() == Qt.MouseButton.LeftButton:
self.setChecked(not self.checked)
self.checkStateChanged.emit(self.checked)
return super().mousePressEvent(e)
def setChecked(self, checked: bool):
self.checked = checked
if checked:
self.setText(self.checked_text)
else:
self.setText(self.unchecked_text)
class TextCheckerLabel(QLabel):
checkStateChanged = Signal(bool)
def __init__(self, text: str, checked: bool = False, *args, **kwargs):
super().__init__(*args, **kwargs)
self.setText(text)
self.setCheckState(checked)
self.setAlignment(Qt.AlignmentFlag.AlignCenter)
self.setCursor(Qt.CursorShape.PointingHandCursor)
def setCheckState(self, checked: bool):
self.checked = checked
if checked:
self.setStyleSheet("QLabel { background-color: rgb(30, 147, 229); color: white; }")
else:
self.setStyleSheet("")
def isChecked(self):
return self.checked
def mousePressEvent(self, event: QMouseEvent):
if event.button() == Qt.MouseButton.LeftButton:
self.setCheckState(not self.checked)
self.checkStateChanged.emit(self.checked)
class ParamNameLabel(QLabel):
def __init__(self, param_name: str, alignment = None, *args, **kwargs) -> None:
super().__init__(*args, **kwargs)
if alignment is None:
self.setAlignment(Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignVCenter)
else:
self.setAlignment(alignment)
font = self.font()
font.setPointSizeF(CONFIG_FONTSIZE_CONTENT-2)
self.setFont(font)
self.setText(param_name)
self.setAttribute(Qt.WidgetAttribute.WA_TranslucentBackground, True)
class SmallParamLabel(QLabel):
def __init__(self, param_name: str, alignment = None, *args, **kwargs) -> None:
super().__init__(*args, **kwargs)
if alignment is None:
self.setAlignment(Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignVCenter)
else:
self.setAlignment(alignment)
self.setText(param_name)
self.setAttribute(Qt.WidgetAttribute.WA_TranslucentBackground, True)
class SizeControlLabel(QLabel):
btn_released = Signal()
size_ctrl_changed = Signal(int)
def __init__(self, parent=None, direction=0, text='', alignment=None, transparent_bg=True):
super().__init__(parent)
if text:
self.setText(text)
if direction == 0:
self.setCursor(Qt.CursorShape.SizeHorCursor)
else:
self.setCursor(Qt.CursorShape.SizeVerCursor)
self.cur_pos = 0
self.direction = direction
self.mouse_pressed = False
if transparent_bg:
self.setAttribute(Qt.WidgetAttribute.WA_TranslucentBackground, True)
if alignment is not None:
self.setAlignment(alignment)
def mousePressEvent(self, e: QMouseEvent) -> None:
if e.button() == Qt.MouseButton.LeftButton:
self.mouse_pressed = True
if shared.FLAG_QT6:
g_pos = e.globalPosition().toPoint()
else:
g_pos = e.globalPos()
self.cur_pos = g_pos.x() if self.direction == 0 else g_pos.y()
return super().mousePressEvent(e)
def mouseReleaseEvent(self, e: QMouseEvent) -> None:
if e.button() == Qt.MouseButton.LeftButton:
self.mouse_pressed = False
self.btn_released.emit()
return super().mouseReleaseEvent(e)
def mouseMoveEvent(self, e: QMouseEvent) -> None:
if self.mouse_pressed:
if shared.FLAG_QT6:
g_pos = e.globalPosition().toPoint()
else:
g_pos = e.globalPos()
if self.direction == 0:
new_pos = g_pos.x()
self.size_ctrl_changed.emit(new_pos - self.cur_pos)
else:
new_pos = g_pos.y()
self.size_ctrl_changed.emit(self.cur_pos - new_pos)
self.cur_pos = new_pos
return super().mouseMoveEvent(e)
class SmallSizeControlLabel(SizeControlLabel):
pass |