try:
from PyQt6.QtWidgets import QPushButton, QWidget, QHBoxLayout, QLabel
from PyQt6.QtGui import QIcon, QPixmap, QColor, QPainter
from PyQt6.QtCore import Qt, QSize, QVariantAnimation, QAbstractAnimation, QPoint
from PyQt6.QtGui import QShowEvent
PYQT6_AVAILABLE = True
except ImportError:
PYQT6_AVAILABLE = False
class QPushButton:
def __init__(self, *args, **kwargs): pass
def setFixedSize(self, *args): pass
def setIconSize(self, *args): pass
def setFlat(self, *args): pass
def setIcon(self, *args): pass
def update(self): pass
class QWidget:
def __init__(self, *args, **kwargs): pass
def setFixedHeight(self, *args): pass
def setLayout(self, *args): pass
def setContentsMargins(self, *args): pass
def setStyleSheet(self, *args): pass
class Qt:
class AlignmentFlag: AlignVCenter = 0; AlignLeft = 0
class MouseButton: LeftButton = 0
class QSize:
def __init__(self, *args, **kwargs): pass
class QColor:
def __init__(self, *args, **kwargs): pass
class QPoint:
def __init__(self, *args, **kwargs): pass
class QVariantAnimation:
def __init__(self, *args, **kwargs): pass
def setDuration(self, *args): pass
def setStartValue(self, *args): pass
def setEndValue(self, *args): pass
class valueChanged:
@staticmethod
def connect(func): pass
class QPainter:
class RenderHint: Antialiasing = 0
def __init__(self, *args, **kwargs): pass
def setRenderHint(self, *args): pass
def fillRect(self, *args): pass
class QAbstractAnimation:
class Direction: Forward = 0; Backward = 0
class QLabel:
def __init__(self, *args, **kwargs): pass
def setPixmap(self, *args): pass
def setFixedSize(self, *args): pass
def setAlignment(self, *args): pass
def setStyleSheet(self, *args): pass
def setObjectName(self, *args): pass
class QHBoxLayout:
def __init__(self, *args, **kwargs): pass
def setContentsMargins(self, *args): pass
def setSpacing(self, *args): pass
def addWidget(self, *args): pass
def addStretch(self, *args): pass
class QShowEvent: pass
class QIcon:
def __init__(self, *args): pass
class QPixmap:
def __init__(self, *args, **kwargs): pass
def loadFromData(self, *args): pass
class AnimTitleButton(QPushButton):
"""Boton de titulo con animación de fondo suave (UWP Style)"""
def __init__(self, icon_svg, hover_color, parent=None):
super().__init__(parent)
self.setFixedSize(46, 32)
self.setIconSize(QSize(16, 16))
self.setFlat(True)
self.hover_color = hover_color
self.default_color = QColor(0, 0, 0, 0)
# Guardar el SVG para crear el QPixmap más tarde
self.icon_svg = icon_svg
self._icon_created = False
self._bg_color = self.default_color
self.anim = QVariantAnimation(self)
self.anim.setDuration(150)
self.anim.setStartValue(self.default_color)
self.anim.setEndValue(QColor(self.hover_color))
self.anim.valueChanged.connect(self._update_bg)
def _create_icon(self):
"""Crea el icono solo cuando sea necesario y seguro"""
if not self._icon_created:
try:
pm = QPixmap()
pm.loadFromData(self.icon_svg)
self.setIcon(QIcon(pm))
self._icon_created = True
except Exception as e:
print(f"Warning: Could not create icon: {e}")
# Crear un icono vacío como fallback
self.setIcon(QIcon())
def _update_bg(self, color):
self._bg_color = color
self.update()
def showEvent(self, event):
"""Asegurar que el icono se cree cuando el widget se muestra"""
super().showEvent(event)
self._create_icon()
def paintEvent(self, event):
painter = QPainter(self)
painter.setRenderHint(QPainter.RenderHint.Antialiasing)
painter.fillRect(self.rect(), self._bg_color)
super().paintEvent(event)
def enterEvent(self, event):
self.anim.setDirection(QAbstractAnimation.Direction.Forward)
self.anim.start()
super().enterEvent(event)
def leaveEvent(self, event):
self.anim.setDirection(QAbstractAnimation.Direction.Backward)
self.anim.start()
super().leaveEvent(event)
class TitleBar(QWidget):
"""Custom non-native title bar with UWP-style animated buttons."""
def __init__(self, parent=None, app_icon=None, title=""):
super().__init__(parent)
self._parent = parent
self.setFixedHeight(40)
self.setObjectName("customTitleBar")
self._drag_active = False
self._drag_offset = None
layout = QHBoxLayout(self)
layout.setContentsMargins(15, 0, 0, 0)
layout.setSpacing(10)
if app_icon:
icon_lbl = QLabel()
icon_lbl.setPixmap(app_icon.pixmap(20, 20))
icon_lbl.setFixedSize(20, 20)
layout.addWidget(icon_lbl)
self.title_label = QLabel(title)
self.title_label.setObjectName("titleLabel")
self.title_label.setAlignment(Qt.AlignmentFlag.AlignVCenter | Qt.AlignmentFlag.AlignLeft)
self.title_label.setStyleSheet("font-size: 13px; font-weight: 500; font-family: 'Segoe UI'; color: #eeeeee;")
layout.addWidget(self.title_label)
layout.addStretch()
self.setMouseTracking(True)
btnc = QWidget()
btnl = QHBoxLayout(btnc)
btnl.setContentsMargins(0, 0, 0, 0)
btnl.setSpacing(0)
self.svg_min = b'''\
'''
self.svg_max = b'''\
'''
self.svg_close = b'''\
'''
self.btn_min = AnimTitleButton(self.svg_min, "rgba(255, 255, 255, 0.1)")
self.btn_max = AnimTitleButton(self.svg_max, "rgba(255, 255, 255, 0.1)")
self.btn_close = AnimTitleButton(self.svg_close, "#e81123")
btnl.addWidget(self.btn_min)
btnl.addWidget(self.btn_max)
btnl.addWidget(self.btn_close)
layout.addWidget(btnc)
self.btn_min.clicked.connect(lambda: self.window().showMinimized())
self.btn_close.clicked.connect(lambda: self.window().close())
def toggle_maximize():
win = self.window()
if win.isMaximized():
win.showNormal()
else:
win.showMaximized()
self.btn_max.clicked.connect(toggle_maximize)
def is_maximized():
return self.window().isMaximized()
def mousePressEvent(event):
if event.button() == Qt.LeftButton and not is_maximized():
self._drag_active = True
self._drag_offset = event.globalPos() - self.window().frameGeometry().topLeft()
event.accept()
def mouseMoveEvent(event):
if self._drag_active and not is_maximized():
self.window().move(event.globalPos() - self._drag_offset)
event.accept()
def mouseReleaseEvent(event):
if event.button() == Qt.LeftButton:
self._drag_active = False
self._drag_offset = None
event.accept()
def mouseDoubleClickEvent(event):
if event.button() == Qt.LeftButton:
toggle_maximize()
self.mousePressEvent = mousePressEvent
self.mouseMoveEvent = mouseMoveEvent
self.mouseReleaseEvent = mouseReleaseEvent
self.mouseDoubleClickEvent = mouseDoubleClickEvent