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views/widgets/modern_message_box.py
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316
views/widgets/modern_message_box.py
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"""
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Moderne, schöne MessageBox als Alternative zu den hässlichen Qt Standard-Dialogen
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"""
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from PyQt5.QtWidgets import (QDialog, QVBoxLayout, QHBoxLayout, QLabel,
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QPushButton, QFrame, QGraphicsDropShadowEffect)
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from PyQt5.QtCore import Qt, QTimer, pyqtSignal
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from PyQt5.QtGui import QFont, QPixmap, QPainter, QColor, QIcon
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class ModernMessageBox(QDialog):
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"""Moderne, schöne MessageBox mit glasmorphism Design"""
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clicked = pyqtSignal(str) # "ok", "cancel", "yes", "no"
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def __init__(self, parent=None, title="", message="", msg_type="info", buttons=None):
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super().__init__(parent)
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self.msg_type = msg_type.lower()
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self.result_value = None
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if buttons is None:
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buttons = ["OK"]
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self.init_ui(title, message, buttons)
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self.setup_animations()
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def init_ui(self, title, message, buttons):
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"""Initialisiert die moderne UI"""
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# Dialog-Eigenschaften
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self.setWindowFlags(Qt.Dialog | Qt.FramelessWindowHint)
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self.setAttribute(Qt.WA_TranslucentBackground, True)
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self.setModal(True)
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self.setFixedSize(400, 250)
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# Hauptlayout
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main_layout = QVBoxLayout(self)
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main_layout.setContentsMargins(20, 20, 20, 20)
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# Container mit Glasmorphism-Effekt
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self.container = QFrame()
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self.container.setObjectName("messageContainer")
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# Schatten-Effekt
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shadow = QGraphicsDropShadowEffect()
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shadow.setBlurRadius(30)
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shadow.setXOffset(0)
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shadow.setYOffset(10)
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shadow.setColor(QColor(0, 0, 0, 80))
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self.container.setGraphicsEffect(shadow)
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# Container-Layout
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container_layout = QVBoxLayout(self.container)
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container_layout.setSpacing(20)
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container_layout.setContentsMargins(30, 25, 30, 25)
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# Header mit Icon und Titel
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header_layout = QHBoxLayout()
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# Icon basierend auf Nachrichtentyp
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icon_label = QLabel()
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icon_label.setFixedSize(32, 32)
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icon_label.setAlignment(Qt.AlignCenter)
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icon_text = self.get_icon_for_type(self.msg_type)
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icon_label.setText(icon_text)
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icon_label.setObjectName(f"icon{self.msg_type.title()}")
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# Titel
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title_label = QLabel(title)
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title_label.setObjectName("messageTitle")
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title_label.setWordWrap(True)
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header_layout.addWidget(icon_label)
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header_layout.addWidget(title_label, 1)
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header_layout.setSpacing(15)
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# Nachricht
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message_label = QLabel(message)
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message_label.setObjectName("messageText")
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message_label.setWordWrap(True)
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message_label.setAlignment(Qt.AlignLeft | Qt.AlignTop)
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# Buttons
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button_layout = QHBoxLayout()
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button_layout.addStretch()
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for i, button_text in enumerate(buttons):
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btn = QPushButton(button_text)
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btn.setObjectName("messageButton" if i == 0 else "messageButtonSecondary")
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btn.setMinimumHeight(35)
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btn.setMinimumWidth(80)
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btn.clicked.connect(lambda checked, text=button_text.lower(): self.button_clicked(text))
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button_layout.addWidget(btn)
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if i < len(buttons) - 1:
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button_layout.addSpacing(10)
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# Layout zusammenfügen
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container_layout.addLayout(header_layout)
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container_layout.addWidget(message_label, 1)
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container_layout.addLayout(button_layout)
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main_layout.addWidget(self.container)
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# Stil anwenden
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self.apply_styles()
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def get_icon_for_type(self, msg_type):
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"""Gibt das passende Icon für den Nachrichtentyp zurück"""
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icons = {
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"info": "ℹ️",
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"success": "✅",
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"warning": "⚠️",
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"error": "❌",
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"critical": "🚨",
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"question": "❓"
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}
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return icons.get(msg_type, "ℹ️")
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def apply_styles(self):
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"""Wendet die modernen Styles an"""
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# Farben basierend auf Typ
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colors = {
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"info": {
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"bg": "rgba(59, 130, 246, 0.1)",
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"border": "rgba(59, 130, 246, 0.3)",
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"accent": "#3B82F6"
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},
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"success": {
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"bg": "rgba(34, 197, 94, 0.1)",
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"border": "rgba(34, 197, 94, 0.3)",
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"accent": "#22C55E"
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},
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"warning": {
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"bg": "rgba(245, 158, 11, 0.1)",
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"border": "rgba(245, 158, 11, 0.3)",
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"accent": "#F59E0B"
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},
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"error": {
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"bg": "rgba(239, 68, 68, 0.1)",
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"border": "rgba(239, 68, 68, 0.3)",
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"accent": "#EF4444"
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},
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"critical": {
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"bg": "rgba(220, 38, 38, 0.1)",
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"border": "rgba(220, 38, 38, 0.3)",
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"accent": "#DC2626"
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},
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"question": {
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"bg": "rgba(168, 85, 247, 0.1)",
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"border": "rgba(168, 85, 247, 0.3)",
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"accent": "#A855F7"
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}
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}
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color_scheme = colors.get(self.msg_type, colors["info"])
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style = f"""
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QDialog {{
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background: transparent;
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}}
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#messageContainer {{
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background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
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stop:0 rgba(255, 255, 255, 0.95),
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stop:1 rgba(248, 250, 252, 0.95));
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border: 1px solid {color_scheme['border']};
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border-radius: 16px;
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backdrop-filter: blur(10px);
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}}
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#messageTitle {{
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font-family: 'Segoe UI', Arial, sans-serif;
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font-size: 16px;
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font-weight: 600;
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color: #1e293b;
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margin: 0;
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}}
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#messageText {{
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font-family: 'Segoe UI', Arial, sans-serif;
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font-size: 14px;
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color: #475569;
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line-height: 1.5;
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}}
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#icon{self.msg_type.title()} {{
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font-size: 24px;
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background: {color_scheme['bg']};
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border: 1px solid {color_scheme['border']};
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border-radius: 16px;
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padding: 4px;
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}}
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#messageButton {{
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background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
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stop:0 {color_scheme['accent']},
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stop:1 {color_scheme['accent']});
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color: white;
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border: none;
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border-radius: 8px;
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font-family: 'Segoe UI', Arial, sans-serif;
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font-size: 13px;
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font-weight: 500;
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padding: 8px 16px;
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}}
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#messageButton:hover {{
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background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
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stop:0 {color_scheme['accent']},
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stop:1 {color_scheme['accent']});
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transform: translateY(-1px);
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}}
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#messageButton:pressed {{
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transform: translateY(0px);
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}}
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#messageButtonSecondary {{
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background: rgba(148, 163, 184, 0.1);
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color: #64748b;
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border: 1px solid rgba(148, 163, 184, 0.3);
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border-radius: 8px;
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font-family: 'Segoe UI', Arial, sans-serif;
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font-size: 13px;
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font-weight: 500;
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padding: 8px 16px;
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}}
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#messageButtonSecondary:hover {{
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background: rgba(148, 163, 184, 0.2);
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border-color: rgba(148, 163, 184, 0.5);
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}}
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"""
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self.setStyleSheet(style)
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def setup_animations(self):
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"""Setzt Animationen ein"""
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# Sanftes Einblenden
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self.setWindowOpacity(0)
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self.fade_timer = QTimer()
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self.fade_timer.timeout.connect(self.fade_in)
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self.opacity = 0
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self.fade_timer.start(16) # ~60 FPS
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def fade_in(self):
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"""Fade-in Animation"""
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self.opacity += 0.1
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if self.opacity >= 1:
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self.opacity = 1
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self.fade_timer.stop()
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self.setWindowOpacity(self.opacity)
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def button_clicked(self, button_text):
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"""Behandelt Button-Clicks"""
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self.result_value = button_text
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self.clicked.emit(button_text)
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self.accept()
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def mousePressEvent(self, event):
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"""Ermöglicht das Verschieben des Dialogs"""
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if event.button() == Qt.LeftButton:
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self.drag_position = event.globalPos() - self.frameGeometry().topLeft()
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event.accept()
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def mouseMoveEvent(self, event):
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"""Verschiebt den Dialog"""
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if event.buttons() == Qt.LeftButton and hasattr(self, 'drag_position'):
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self.move(event.globalPos() - self.drag_position)
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event.accept()
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# Convenience-Funktionen für einfache Nutzung
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def show_info(parent=None, title="Information", message="", buttons=None):
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"""Zeigt eine moderne Info-MessageBox"""
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if buttons is None:
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buttons = ["OK"]
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dialog = ModernMessageBox(parent, title, message, "info", buttons)
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return dialog.exec_()
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def show_success(parent=None, title="Erfolg", message="", buttons=None):
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"""Zeigt eine moderne Erfolg-MessageBox"""
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if buttons is None:
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buttons = ["OK"]
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dialog = ModernMessageBox(parent, title, message, "success", buttons)
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return dialog.exec_()
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def show_warning(parent=None, title="Warnung", message="", buttons=None):
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"""Zeigt eine moderne Warnung-MessageBox"""
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if buttons is None:
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buttons = ["OK"]
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dialog = ModernMessageBox(parent, title, message, "warning", buttons)
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return dialog.exec_()
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def show_error(parent=None, title="Fehler", message="", buttons=None):
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"""Zeigt eine moderne Fehler-MessageBox"""
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if buttons is None:
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buttons = ["OK"]
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dialog = ModernMessageBox(parent, title, message, "error", buttons)
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return dialog.exec_()
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def show_critical(parent=None, title="Kritischer Fehler", message="", buttons=None):
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"""Zeigt eine moderne kritische Fehler-MessageBox"""
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if buttons is None:
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buttons = ["OK"]
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dialog = ModernMessageBox(parent, title, message, "critical", buttons)
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return dialog.exec_()
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def show_question(parent=None, title="Frage", message="", buttons=None):
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"""Zeigt eine moderne Frage-MessageBox"""
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if buttons is None:
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buttons = ["Ja", "Nein"]
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dialog = ModernMessageBox(parent, title, message, "question", buttons)
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return dialog.exec_()
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