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[Bug]: TabBar setScrollable 后鼠标滚轮可以滑动,但是用触摸板就无法滑动了 #1013

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x-lancer opened this issue Nov 22, 2024 · 0 comments
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bug Something isn't working

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@x-lancer
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What happened?

:TabBar setScrollable 后鼠标滚轮可以滑动,但是用触摸板就无法滑动了,预期是通过触摸板也能滑动
image

Operation System

Windows11

Python Version

3.11

PyQt/PySide Version

pyside6

PyQt/PySide-Fluent-Widgets Version

1.6.1

How to Reproduce?

使用官方examples/navigation/tab_view 可以复现

Minimum code

# coding:utf-8
import sys

from PySide6.QtCore import Qt, QSize, QUrl, QPoint
from PySide6.QtGui import QIcon, QDesktopServices, QColor
from PySide6.QtWidgets import QHBoxLayout, QVBoxLayout, QApplication, QFrame, QStackedWidget

from qfluentwidgets import (NavigationItemPosition, MessageBox, MSFluentTitleBar, MSFluentWindow,
                            TabBar, SubtitleLabel, setFont, TabCloseButtonDisplayMode, IconWidget,
                            TransparentDropDownToolButton, TransparentToolButton, setTheme, Theme, isDarkTheme)
from qfluentwidgets import FluentIcon as FIF


class Widget(QFrame):

    def __init__(self, text: str, parent=None):
        super().__init__(parent=parent)
        self.label = SubtitleLabel(text, self)
        self.hBoxLayout = QHBoxLayout(self)

        setFont(self.label, 24)
        self.label.setAlignment(Qt.AlignCenter)
        self.hBoxLayout.addWidget(self.label, 1, Qt.AlignCenter)
        self.setObjectName(text.replace(' ', '-'))


class TabInterface(QFrame):
    """ Tab interface """

    def __init__(self, text: str, icon, objectName, parent=None):
        super().__init__(parent=parent)
        self.iconWidget = IconWidget(icon, self)
        self.label = SubtitleLabel(text, self)
        self.iconWidget.setFixedSize(120, 120)

        self.vBoxLayout = QVBoxLayout(self)
        self.vBoxLayout.setAlignment(Qt.AlignCenter)
        self.vBoxLayout.setSpacing(30)
        self.vBoxLayout.addWidget(self.iconWidget, 0, Qt.AlignCenter)
        self.vBoxLayout.addWidget(self.label, 0, Qt.AlignCenter)
        setFont(self.label, 24)

        self.setObjectName(objectName)


class CustomTitleBar(MSFluentTitleBar):
    """ Title bar with icon and title """

    def __init__(self, parent):
        super().__init__(parent)

        # add buttons
        self.toolButtonLayout = QHBoxLayout()
        color = QColor(206, 206, 206) if isDarkTheme() else QColor(96, 96, 96)
        self.searchButton = TransparentToolButton(FIF.SEARCH_MIRROR.icon(color=color), self)
        self.forwardButton = TransparentToolButton(FIF.RIGHT_ARROW.icon(color=color), self)
        self.backButton = TransparentToolButton(FIF.LEFT_ARROW.icon(color=color), self)

        self.forwardButton.setDisabled(True)
        self.toolButtonLayout.setContentsMargins(20, 0, 20, 0)
        self.toolButtonLayout.setSpacing(15)
        self.toolButtonLayout.addWidget(self.searchButton)
        self.toolButtonLayout.addWidget(self.backButton)
        self.toolButtonLayout.addWidget(self.forwardButton)
        self.hBoxLayout.insertLayout(4, self.toolButtonLayout)

        # add tab bar
        self.tabBar = TabBar(self)

        self.tabBar.setMovable(True)
        self.tabBar.setScrollable(True)
        self.tabBar.setTabMaximumWidth(220)
        self.tabBar.setTabShadowEnabled(False)
        self.tabBar.setTabSelectedBackgroundColor(QColor(255, 255, 255, 125), QColor(255, 255, 255, 50))
        # self.tabBar.setScrollable(True)
        # self.tabBar.setCloseButtonDisplayMode(TabCloseButtonDisplayMode.ON_HOVER)

        self.tabBar.tabCloseRequested.connect(self.tabBar.removeTab)
        self.tabBar.currentChanged.connect(lambda i: print(self.tabBar.tabText(i)))

        self.hBoxLayout.insertWidget(5, self.tabBar, 1)
        self.hBoxLayout.setStretch(6, 0)

        # add avatar
        self.avatar = TransparentDropDownToolButton('resource/shoko.png', self)
        self.avatar.setIconSize(QSize(26, 26))
        self.avatar.setFixedHeight(30)
        self.hBoxLayout.insertWidget(7, self.avatar, 0, Qt.AlignRight)
        self.hBoxLayout.insertSpacing(8, 20)

    def canDrag(self, pos: QPoint):
        if not super().canDrag(pos):
            return False

        pos.setX(pos.x() - self.tabBar.x())
        return not self.tabBar.tabRegion().contains(pos)


class Window(MSFluentWindow):

    def __init__(self):
        self.isMicaEnabled = False

        super().__init__()
        self.setTitleBar(CustomTitleBar(self))
        self.tabBar = self.titleBar.tabBar  # type: TabBar

        # create sub interface
        self.homeInterface = QStackedWidget(self, objectName='homeInterface')
        self.appInterface = Widget('Application Interface', self)
        self.videoInterface = Widget('Video Interface', self)
        self.libraryInterface = Widget('library Interface', self)

        self.initNavigation()
        self.initWindow()

    def initNavigation(self):
        self.addSubInterface(self.homeInterface, FIF.HOME, '主页', FIF.HOME_FILL)
        self.addSubInterface(self.appInterface, FIF.APPLICATION, '应用')
        self.addSubInterface(self.videoInterface, FIF.VIDEO, '视频')

        self.addSubInterface(self.libraryInterface, FIF.BOOK_SHELF,
                             '库', FIF.LIBRARY_FILL, NavigationItemPosition.BOTTOM)
        self.navigationInterface.addItem(
            routeKey='Help',
            icon=FIF.HELP,
            text='帮助',
            onClick=self.showMessageBox,
            selectable=False,
            position=NavigationItemPosition.BOTTOM,
        )

        self.navigationInterface.setCurrentItem(
            self.homeInterface.objectName())

        # add tab
        self.addTab('Heart', 'As long as you love me', icon='resource/Heart.png')

        self.tabBar.currentChanged.connect(self.onTabChanged)
        self.tabBar.tabAddRequested.connect(self.onTabAddRequested)

    def initWindow(self):
        self.resize(1100, 750)
        self.setWindowIcon(QIcon(':/qfluentwidgets/images/logo.png'))
        self.setWindowTitle('PyQt-Fluent-Widgets')

        desktop = QApplication.screens()[0].availableGeometry()
        w, h = desktop.width(), desktop.height()
        self.move(w//2 - self.width()//2, h//2 - self.height()//2)

    def showMessageBox(self):
        w = MessageBox(
            '支持作者🥰',
            '个人开发不易,如果这个项目帮助到了您,可以考虑请作者喝一瓶快乐水🥤。您的支持就是作者开发和维护项目的动力🚀',
            self
        )
        w.yesButton.setText('来啦老弟')
        w.cancelButton.setText('下次一定')

        if w.exec():
            QDesktopServices.openUrl(QUrl("https://afdian.net/a/zhiyiYo"))

    def onTabChanged(self, index: int):
        objectName = self.tabBar.currentTab().routeKey()
        self.homeInterface.setCurrentWidget(self.findChild(TabInterface, objectName))
        self.stackedWidget.setCurrentWidget(self.homeInterface)

    def onTabAddRequested(self):
        text = f'硝子酱一级棒卡哇伊×{self.tabBar.count()}'
        self.addTab(text, text, 'resource/Smiling_with_heart.png')

    def addTab(self, routeKey, text, icon):
        self.tabBar.addTab(routeKey, text, icon)
        self.homeInterface.addWidget(TabInterface(text, icon, routeKey, self))


if __name__ == '__main__':
    # setTheme(Theme.DARK)

    app = QApplication(sys.argv)
    w = Window()
    w.show()
    app.exec()
@x-lancer x-lancer added the bug Something isn't working label Nov 22, 2024
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