fixes #203, #221

.github/ISSUE_TEMPLATE/bug_report.md

@@ -9,7 +9,7 @@ assignees: ''
 
 <!-- 作者还是一名学生党，有更加重要的事情等着自己完成。一个复杂的组件往往要花一到两天来完成，不仅费时费力且无任何经济收入，所以只会抽出一些周末时间来维护这个项目，响应 issue 的速度可能很慢。新组件将按照爱发电上的目标达成情况进行添加，请不要提关于新组件需求的 issue。考虑到代码风格和日后维护，不接受新组件的 PR。如果真的很想要这个组件，可以在爱发电上支持作者的开发。
 
-提 Issue 前请先搜索历史 Issue，可能有相似的，如果没有，需要补充完整模板要求的环境信息和最小复现代码，这很重要，不符合规范的 Issue 会被直接关闭哦。同时请注意礼貌用词，语句之间夹杂的阴阳怪气的省略号或者流汗黄豆绝对达咩 -->
+提 Issue 前请先搜索历史 Issue，可能有相似的，如果没有，需要补充完整模板要求的环境信息和最小复现代码，并确保自己安装的包是最新版本的，这很重要，不符合规范的 Issue 会被直接关闭哦。同时请注意礼貌用词，语句之间夹杂的阴阳怪气的省略号或者流汗黄豆绝对达咩 -->
 
 **Describe the bug**
 A clear and concise description of what the bug is.

examples/gallery/app/resource/i18n/gallery.zh_CN.ts

@@ -717,20 +717,28 @@
         <translation>添加到</translation>
     </message>
 </context>
+<context>
+    <name>NavigationViewInterface</name>
+    <message>
+        <location filename="../../view/navigation_view_interface.py" line="22"/>
+        <source>A basic pivot</source>
+        <translation>顶部导航栏</translation>
+    </message>
+</context>
 <context>
     <name>PivotInterface</name>
     <message>
-        <location filename="../../view/navigation_view_interface.py" line="44"/>
+        <location filename="../../view/navigation_view_interface.py" line="45"/>
         <source>Song</source>
         <translation>歌曲</translation>
     </message>
     <message>
-        <location filename="../../view/navigation_view_interface.py" line="45"/>
+        <location filename="../../view/navigation_view_interface.py" line="46"/>
         <source>Album</source>
         <translation>专辑</translation>
     </message>
     <message>
-        <location filename="../../view/navigation_view_interface.py" line="46"/>
+        <location filename="../../view/navigation_view_interface.py" line="47"/>
         <source>Artist</source>
         <translation>歌手</translation>
     </message>

examples/gallery/app/resource/i18n/gallery.zh_HK.ts

@@ -96,7 +96,7 @@
     <message>
         <location filename="../../view/basic_input_interface.py" line="149"/>
         <source>Soft and Wet</source>
-        <translation>軟又濕</translation>
+        <translation>軟又溼</translation>
     </message>
     <message>
         <location filename="../../view/basic_input_interface.py" line="241"/>
@@ -121,7 +121,7 @@
     <message>
         <location filename="../../view/basic_input_interface.py" line="107"/>
         <source>Send</source>
-        <translation>發送</translation>
+        <translation>髮送</translation>
     </message>
     <message>
         <location filename="../../view/basic_input_interface.py" line="108"/>
@@ -234,7 +234,7 @@
     <message>
         <location filename="../../view/date_time_interface.py" line="41"/>
         <source>A TimePicker using a 24-hour clock</source>
-        <translation>24 小時制的時間選擇器</translation>
+        <translation>24 小時製的時間選擇器</translation>
     </message>
     <message>
         <location filename="../../view/date_time_interface.py" line="48"/>
@@ -354,7 +354,7 @@
     <message>
         <location filename="../../view/layout_interface.py" line="38"/>
         <source>Killer Queen</source>
-        <translation>殺手皇后💀</translation>
+        <translation>殺手皇後💀</translation>
     </message>
     <message>
         <location filename="../../view/layout_interface.py" line="39"/>
@@ -382,7 +382,7 @@
     <message>
         <location filename="../../view/icon_interface.py" line="21"/>
         <source>Search icons</source>
-        <translation>搜索圖標</translation>
+        <translation>蒐索圖標</translation>
     </message>
 </context>
 <context>
@@ -485,7 +485,7 @@
     <message>
         <location filename="../../view/view_interface.py" line="85"/>
         <source>Scary Monster</source>
-        <translation>駭人惡獸</translation>
+        <translation>駭人噁獸</translation>
     </message>
     <message>
         <location filename="../../view/view_interface.py" line="85"/>
@@ -525,7 +525,7 @@
     <message>
         <location filename="../../view/view_interface.py" line="89"/>
         <source>SOFT &amp; WET</source>
-        <translation>軟又濕</translation>
+        <translation>軟又溼</translation>
     </message>
     <message>
         <location filename="../../view/view_interface.py" line="89"/>
@@ -535,7 +535,7 @@
     <message>
         <location filename="../../view/view_interface.py" line="90"/>
         <source>Wonder of U</source>
-        <translation>奇蹟於你</translation>
+        <translation>奇跡於你</translation>
     </message>
     <message>
         <location filename="../../view/view_interface.py" line="90"/>
@@ -565,7 +565,7 @@
     <message>
         <location filename="../../view/view_interface.py" line="79"/>
         <source>Killer Queen</source>
-        <translation>殺手皇后💀</translation>
+        <translation>殺手皇後💀</translation>
     </message>
 </context>
 <context>
@@ -717,20 +717,28 @@
         <translation>添加到</translation>
     </message>
 </context>
+<context>
+    <name>NavigationViewInterface</name>
+    <message>
+        <location filename="../../view/navigation_view_interface.py" line="22"/>
+        <source>A basic pivot</source>
+        <translation>頂部導航欄</translation>
+    </message>
+</context>
 <context>
     <name>PivotInterface</name>
     <message>
-        <location filename="../../view/navigation_view_interface.py" line="44"/>
+        <location filename="../../view/navigation_view_interface.py" line="45"/>
         <source>Song</source>
         <translation>歌曲</translation>
     </message>
     <message>
-        <location filename="../../view/navigation_view_interface.py" line="45"/>
+        <location filename="../../view/navigation_view_interface.py" line="46"/>
         <source>Album</source>
         <translation>專輯</translation>
     </message>
     <message>
-        <location filename="../../view/navigation_view_interface.py" line="46"/>
+        <location filename="../../view/navigation_view_interface.py" line="47"/>
         <source>Artist</source>
         <translation>歌手</translation>
     </message>
@@ -763,7 +771,7 @@
     <message>
         <location filename="../../view/scroll_interface.py" line="56"/>
         <source>Chitanda Eru is so hot 🥵🥵</source>
-        <translation>春寒賜浴華清池，温泉水滑洗凝脂 🥵🥵</translation>
+        <translation>春寒賜浴華清池，溫泉水滑洗凝脂 🥵🥵</translation>
     </message>
     <message>
         <location filename="../../view/scroll_interface.py" line="67"/>
@@ -831,7 +839,7 @@
     <message>
         <location filename="../../view/setting_interface.py" line="85"/>
         <source>Use system setting</source>
-        <translation>跟隨系統設置</translation>
+        <translation>跟隨繫統設置</translation>
     </message>
     <message>
         <location filename="../../view/setting_interface.py" line="67"/>
@@ -846,7 +854,7 @@
     <message>
         <location filename="../../view/setting_interface.py" line="74"/>
         <source>Interface zoom</source>
-        <translation>界面縮放</translation>
+        <translation>界麵縮放</translation>
     </message>
     <message>
         <location filename="../../view/setting_interface.py" line="74"/>
@@ -861,7 +869,7 @@
     <message>
         <location filename="../../view/setting_interface.py" line="85"/>
         <source>Set your preferred language for UI</source>
-        <translation>選擇界面所使用的語言</translation>
+        <translation>選擇界麵所使用的語言</translation>
     </message>
     <message>
         <location filename="../../view/setting_interface.py" line="95"/>
@@ -886,12 +894,12 @@
     <message>
         <location filename="../../view/setting_interface.py" line="108"/>
         <source>Check for updates when the application starts</source>
-        <translation>在應用程序啓動時檢查更新</translation>
+        <translation>在應用程序啟動時檢查更新</translation>
     </message>
     <message>
         <location filename="../../view/setting_interface.py" line="108"/>
         <source>The new version will be more stable and have more features</source>
-        <translation>新版本將更加穩定並擁有更多功能（建議啓用此選項）</translation>
+        <translation>新版本將更加穩定並擁有更多功能（建議啟用此選項）</translation>
     </message>
     <message>
         <location filename="../../view/setting_interface.py" line="134"/>
@@ -901,7 +909,7 @@
     <message>
         <location filename="../../view/setting_interface.py" line="118"/>
         <source>Open help page</source>
-        <translation>打開幫助頁面</translation>
+        <translation>打開幫助頁麵</translation>
     </message>
     <message>
         <location filename="../../view/setting_interface.py" line="118"/>
@@ -911,7 +919,7 @@
     <message>
         <location filename="../../view/setting_interface.py" line="118"/>
         <source>Discover new features and learn useful tips about PyQt-Fluent-Widgets</source>
-        <translation>發現新功能並瞭解有關 PyQt-Fluent-Widgets 的使用技巧</translation>
+        <translation>髮現新功能並了解有關 PyQt-Fluent-Widgets 的使用技巧</translation>
     </message>
     <message>
         <location filename="../../view/setting_interface.py" line="127"/>
@@ -941,7 +949,7 @@
     <message>
         <location filename="../../view/setting_interface.py" line="192"/>
         <source>Configuration takes effect after restart</source>
-        <translation>配置在重啓軟件後生效</translation>
+        <translation>配置在重啟軟件後生效</translation>
     </message>
     <message>
         <location filename="../../view/setting_interface.py" line="192"/>
@@ -994,7 +1002,7 @@
     <message>
         <location filename="../../view/status_info_interface.py" line="179"/>
         <source>Please wait patiently</source>
-        <translation>心急吃不了熱豆腐，請耐心等待哦~</translation>
+        <translation>心急吃不了熱荳腐，請耐心等待哦~</translation>
     </message>
     <message>
         <location filename="../../view/status_info_interface.py" line="181"/>
@@ -1059,7 +1067,7 @@
     <message>
         <location filename="../../view/status_info_interface.py" line="75"/>
         <source>My name is kira yoshikake, 33 years old. Living in the villa area northeast of duwangting, unmarried. I work in Guiyou chain store. Every day I have to work overtime until 8 p.m. to go home. I don&apos;t smoke. The wine is only for a taste. Sleep at 11 p.m. for 8 hours a day. Before I go to bed, I must drink a cup of warm milk, then do 20 minutes of soft exercise, get on the bed, and immediately fall asleep. Never leave fatigue and stress until the next day. Doctors say I&apos;m normal.</source>
-        <translation>我的名字是吉良吉影，年齡33歲，家住杜王町東北部別墅區，未婚。我在“龜友百貨連鎖公司”上班，每天最晚也是八點前回家，不吸煙，酒也是淺嘗輒止，晚上十一點上牀，保證八個小時的充足睡眠，睡前喝一杯熱牛奶，再做二十分鐘伸展運動暖身，然後再睡覺，基本可以熟睡到天亮。像嬰兒一樣不留下疲勞與壓力，迎來第二天的早晨，健康檢查結果也顯示我很健康。我的意思是我是一個隨時都想追求平靜生活的人，不拘泥於勝負與煩惱，不樹立令我夜不能寐的敵人，這就是我對於這個社會的生活態度，我也清楚這就是我的幸福。</translation>
+        <translation>我的名字是吉良吉影，年齡33歲，家住杜王町東北部別墅區，未婚。我在“龜友百貨連鎖公司”上班，每天最晚也是八點前回家，不吸菸，酒也是淺嚐輒止，晚上十一點上床，保証八個小時的充足睡眠，睡前喝一盃熱牛奶，再做二十分鐘伸展運動暖身，然後再睡覺，基本可以熟睡到天亮。像嬰兒一樣不留下疲勞與壓力，迎來第二天的早晨，健康檢查結果也顯示我很健康。我的意思是我是一個隨時都想追求平靜生活的人，不拘泥於勝負與煩惱，不樹立令我夜不能寐的敵人，這就是我對於這個社會的生活態度，我也清楚這就是我的幸福。</translation>
     </message>
     <message>
         <location filename="../../view/status_info_interface.py" line="186"/>
@@ -1069,16 +1077,16 @@
     <message>
         <location filename="../../view/status_info_interface.py" line="186"/>
         <source>Believe in the spin, just keep believing!</source>
-        <translation>相信迴旋吧，只管相信就是了！</translation>
+        <translation>相信回旋吧，隻管相信就是了！</translation>
     </message>
     <message>
         <location filename="../../view/status_info_interface.py" line="198"/>
         <source>With respect, let&apos;s advance towards a new stage of the spin.</source>
-        <translation>表達敬意吧，表達出敬意，然後邁向迴旋的另一個全新階段！</translation>
+        <translation>表達敬意吧，表達出敬意，然後邁向回旋的另一個全新階段！</translation>
     </message>
     <message>
         <location filename="../../view/status_info_interface.py" line="209"/>
-        <source>迂迴路を行けば最短ルート。</source>
+        <source>迂回路を行けば最短ルート。</source>
         <translation>最短的捷徑就是繞遠路，繞遠路才是我的最短捷徑。</translation>
     </message>
     <message>
@@ -1339,7 +1347,7 @@
     <message>
         <location filename="../../view/view_interface.py" line="108"/>
         <source>Dio Brando</source>
-        <translation>迪奧·布蘭度</translation>
+        <translation>迪奧·佈蘭度</translation>
     </message>
     <message>
         <location filename="../../view/view_interface.py" line="108"/>
@@ -1367,7 +1375,7 @@
     <message>
         <location filename="../../view/view_interface.py" line="46"/>
         <source>A TreeView with Multi-selection enabled</source>
-        <translation>啓用複選框的樹狀組件</translation>
+        <translation>啟用複選框的樹狀組件</translation>
     </message>
     <message>
         <location filename="../../view/view_interface.py" line="31"/>

examples/gallery/app/view/navigation_view_interface.py

@@ -15,12 +15,12 @@ class NavigationViewInterface(GalleryInterface):
         t = Translator()
         super().__init__(
             title=t.navigation,
-            subtitle="qfluentwidgets.components.widgets",
+            subtitle="qfluentwidgets.components.navigation",
             parent=parent
         )
 
         self.addExampleCard(
-            title='A basic pivot',
+            title=self.tr('A basic pivot'),
             widget=PivotInterface(self),
             sourcePath='https://github.com/zhiyiYo/PyQt-Fluent-Widgets/blob/master/examples/pivot/demo.py'
         )

examples/navigation/demo.py

@@ -108,10 +108,10 @@ class Window(FramelessWindow):
 
         self.navigationInterface.addSeparator()
 
-        self.addTreeSubInterface(self.albumInterface, FIF.ALBUM, 'Albums')
-        self.addTreeSubInterface(self.albumInterface1, FIF.ALBUM, 'Album 1', self.albumInterface)
-        self.addTreeSubInterface(self.albumInterface1_1, FIF.ALBUM, 'Album 1.1', self.albumInterface1)
-        self.addTreeSubInterface(self.albumInterface2, FIF.ALBUM, 'Album 2', self.albumInterface)
+        self.addSubInterface(self.albumInterface, FIF.ALBUM, 'Albums', NavigationItemPosition.SCROLL)
+        self.addSubInterface(self.albumInterface1, FIF.ALBUM, 'Album 1', parent=self.albumInterface)
+        self.addSubInterface(self.albumInterface1_1, FIF.ALBUM, 'Album 1.1', parent=self.albumInterface1)
+        self.addSubInterface(self.albumInterface2, FIF.ALBUM, 'Album 2', parent=self.albumInterface)
 
         # add navigation items to scroll area
         self.addSubInterface(self.folderInterface, FIF.FOLDER, 'Folder library', NavigationItemPosition.SCROLL)
@@ -129,7 +129,7 @@ class Window(FramelessWindow):
             routeKey='avatar',
             widget=AvatarWidget(),
             onClick=self.showMessageBox,
-            position=NavigationItemPosition.BOTTOM
+            position=NavigationItemPosition.BOTTOM,
         )
 
         self.addSubInterface(self.settingInterface, FIF.SETTING, 'Settings', NavigationItemPosition.BOTTOM)
@@ -155,7 +155,7 @@ class Window(FramelessWindow):
 
         self.setQss()
 
-    def addSubInterface(self, interface, icon, text: str, position=NavigationItemPosition.TOP):
+    def addSubInterface(self, interface, icon, text: str, position=NavigationItemPosition.TOP, parent=None):
         """ add sub interface """
         self.stackWidget.addWidget(interface)
         self.navigationInterface.addItem(
@@ -164,20 +164,8 @@ class Window(FramelessWindow):
             text=text,
             onClick=lambda: self.switchTo(interface),
             position=position,
-            tooltip=text
-        )
-
-    def addTreeSubInterface(self, interface, icon, text: str, parent=None):
-        """ add tree sub interface """
-        self.stackWidget.addWidget(interface)
-        self.navigationInterface.addTreeItem(
-            routeKey=interface.objectName(),
-            icon=icon,
-            text=text,
-            onClick=lambda: self.switchTo(interface),
-            position=NavigationItemPosition.SCROLL,
             tooltip=text,
-            parentRouteKey=(parent.objectName() if parent else None)
+            parentRouteKey=parent.objectName() if parent else None
         )
 
     def setQss(self):
@@ -191,7 +179,7 @@ class Window(FramelessWindow):
     def onCurrentInterfaceChanged(self, index):
         widget = self.stackWidget.widget(index)
         self.navigationInterface.setCurrentItem(widget.objectName())
-        
+
         #!IMPORTANT: This line of code needs to be uncommented if the return button is enabled
         # qrouter.push(self.stackWidget, widget.objectName())
 

examples/navigation3/demo.py

@@ -67,7 +67,7 @@ class NavigationBar(QWidget):
 
     def setCurrentItem(self, routeKey: str):
         self.navigationPanel.setCurrentItem(routeKey)
-        self.setTitle(self.navigationPanel.items[routeKey]._text)
+        self.setTitle(self.navigationPanel.widget(routeKey).text())
 
     def eventFilter(self, obj, e: QEvent):
         if obj is self.window():
@@ -122,48 +122,31 @@ class Window(FramelessWindow):
         self.vBoxLayout.setStretchFactor(self.stackWidget, 1)
 
     def initNavigation(self):
-        self.navigationInterface.addItem(
-            routeKey=self.searchInterface.objectName(),
-            icon=FIF.SEARCH,
-            text='Search',
-            onClick=lambda: self.switchTo(self.searchInterface)
-        )
-        self.navigationInterface.addItem(
-            routeKey=self.musicInterface.objectName(),
-            icon=FIF.MUSIC,
-            text='Music library',
-            onClick=lambda: self.switchTo(self.musicInterface)
-        )
-        self.navigationInterface.addItem(
-            routeKey=self.videoInterface.objectName(),
-            icon=FIF.VIDEO,
-            text='Video library',
-            onClick=lambda: self.switchTo(self.videoInterface)
-        )
+        self.addSubInterface(self.searchInterface, FIF.SEARCH, 'Search')
+        self.addSubInterface(self.musicInterface, FIF.MUSIC, 'Music library')
+        self.addSubInterface(self.videoInterface, FIF.VIDEO, 'Video library')
 
         self.navigationInterface.addSeparator()
 
         # add navigation items to scroll area
-        self.navigationInterface.addItem(
-            routeKey=self.folderInterface.objectName(),
-            icon=FIF.FOLDER,
-            text='Folder library',
-            onClick=lambda: self.switchTo(self.folderInterface),
-            position=NavigationItemPosition.SCROLL
-        )
+        self.addSubInterface(self.folderInterface, FIF.FOLDER, 'Folder library', NavigationItemPosition.SCROLL)
 
-        # add custom widget to bottom
-        self.navigationInterface.addItem(
-            routeKey=self.settingInterface.objectName(),
-            icon=FIF.SETTING,
-            text='Settings',
-            onClick=lambda: self.switchTo(self.settingInterface),
-            position=NavigationItemPosition.BOTTOM
-        )
+        # add item to bottom
+        self.addSubInterface(self.settingInterface, FIF.SETTING, 'Settings', NavigationItemPosition.BOTTOM)
 
         self.stackWidget.currentChanged.connect(self.onCurrentInterfaceChanged)
         self.stackWidget.setCurrentIndex(1)
 
+    def addSubInterface(self, w: QWidget, icon, text, position=NavigationItemPosition.TOP):
+        self.stackWidget.addWidget(w)
+        self.navigationInterface.addItem(
+            routeKey=w.objectName(),
+            icon=icon,
+            text=text,
+            onClick=lambda: self.switchTo(w),
+            position=position
+        )
+
     def initWindow(self):
         self.resize(500, 600)
         self.setWindowIcon(QIcon('resource/logo.png'))

qfluentwidgets/__init__.py

@@ -12,7 +12,7 @@ Examples are available at https://github.com/zhiyiYo/PyQt-Fluent-Widgets/tree/ma
 :license: GPLv3, see LICENSE for more details.
 """
 
-__version__ = "0.9.0"
+__version__ = "0.9.1"
 
 from .components import *
 from .common import *

qfluentwidgets/_rc/qss/dark/button.qss

@@ -4,7 +4,7 @@ PushButton, ToolButton, ToggleButton {
     border-top: 1px solid rgba(255, 255, 255, 0.08);
     border-radius: 5px;
     color: white;
-    font: 14px 'Segoe UI', 'Microsoft YaHei';
+    /* font: 14px 'Segoe UI', 'Microsoft YaHei'; */
     padding: 5px 12px 6px 12px;
     outline: none;
 }
@@ -120,7 +120,7 @@ PrimarySplitDropButton {
 }
 
 HyperlinkButton {
-    font: 14px 'Segoe UI', 'Microsoft YaHei';
+    /* font: 14px 'Segoe UI', 'Microsoft YaHei'; */
     padding: 5px 12px 6px 12px;
     color: --ThemeColorPrimary;
     border: none;

qfluentwidgets/_rc/qss/dark/line_edit.qss

@@ -3,7 +3,7 @@ LineEdit, TextEdit, PlainTextEdit {
     border: 1px solid rgba(255, 255, 255, 0.08);
     border-bottom: 1px solid rgba(255, 255, 255, 0.5442);
     border-radius: 5px;
-    font: 14px "Segoe UI", "Microsoft YaHei";
+    /* font: 14px "Segoe UI", "Microsoft YaHei"; */
     padding: 0px 10px;
     color: white;
     selection-background-color: --ThemeColorPrimary;

qfluentwidgets/_rc/qss/dark/list_view.qss

@@ -3,7 +3,7 @@ ListWidget {
     background: transparent;
     outline: none;
     border: none;
-    font: 13px 'Segoe UI', 'Microsoft YaHei';
+    /* font: 13px 'Segoe UI', 'Microsoft YaHei'; */
     selection-background-color: transparent;
     alternate-background-color: transparent;
     padding-left: 4px;

qfluentwidgets/_rc/qss/dark/spin_box.qss

@@ -7,7 +7,7 @@ TimeEdit {
     border: 1px solid rgba(255, 255, 255, 0.08);
     border-bottom: 1px solid rgba(255, 255, 255, 0.5442);
     border-radius: 5px;
-    font: 14px "Segoe UI", "Microsoft YaHei";
+    /* font: 14px "Segoe UI", "Microsoft YaHei"; */
     padding: 0px 80px 0 10px;
     color: white;
     selection-background-color: --ThemeColorPrimary;

qfluentwidgets/_rc/qss/dark/table_view.qss

@@ -2,7 +2,7 @@ QTableView {
     background: transparent;
     outline: none;
     border: none;
-    font: 13px 'Segoe UI', 'Microsoft YaHei';
+    /* font: 13px 'Segoe UI', 'Microsoft YaHei'; */
     selection-background-color: transparent;
     alternate-background-color: transparent;
 }

qfluentwidgets/_rc/qss/dark/tree_view.qss

@@ -4,7 +4,7 @@ QTreeView {
     border-radius: 5px;
     outline: 0;
     padding-right: 5px;
-    font: 13px 'Segoe UI', 'Microsoft YaHei';
+    /* font: 13px 'Segoe UI', 'Microsoft YaHei'; */
     selection-background-color: transparent;
 }
 

qfluentwidgets/_rc/qss/light/button.qss

@@ -4,7 +4,7 @@ PushButton, ToolButton, ToggleButton {
     border: 1px solid rgba(0, 0, 0, 0.073);
     border-bottom: 1px solid rgba(0, 0, 0, 0.183);
     border-radius: 5px;
-    font: 14px 'Segoe UI', 'Microsoft YaHei';
+    /* font: 14px 'Segoe UI', 'Microsoft YaHei'; */
     padding: 5px 12px 6px 12px;
     outline: none;
 }
@@ -120,7 +120,7 @@ PrimarySplitDropButton:pressed {
 }
 
 HyperlinkButton {
-    font: 14px 'Segoe UI', 'Microsoft YaHei';
+    /* font: 14px 'Segoe UI', 'Microsoft YaHei'; */
     padding: 6px 12px 6px 12px;
     color: --ThemeColorPrimary;
     border: none;

qfluentwidgets/_rc/qss/light/line_edit.qss

@@ -4,7 +4,7 @@ LineEdit, TextEdit, PlainTextEdit {
     border: 1px solid rgba(0, 0, 0, 13);
     border-bottom: 1px solid rgba(0, 0, 0, 100);
     border-radius: 5px;
-    font: 14px "Segoe UI", "Microsoft YaHei";
+    /* font: 14px "Segoe UI", "Microsoft YaHei"; */
     padding: 0px 10px;
     selection-background-color: --ThemeColorLight1;
 }

qfluentwidgets/_rc/qss/light/list_view.qss

@@ -3,7 +3,7 @@ ListWidget {
     background: transparent;
     outline: none;
     border: none;
-    font: 13px 'Segoe UI', 'Microsoft YaHei';
+    /* font: 13px 'Segoe UI', 'Microsoft YaHei'; */
     selection-background-color: transparent;
     alternate-background-color: transparent;
     padding-left: 4px;

qfluentwidgets/_rc/qss/light/spin_box.qss

@@ -4,7 +4,7 @@ SpinBox, DoubleSpinBox, DateEdit, DateTimeEdit, TimeEdit {
     border: 1px solid rgba(0, 0, 0, 13);
     border-bottom: 1px solid rgba(0, 0, 0, 100);
     border-radius: 5px;
-    font: 14px "Segoe UI", "Microsoft YaHei";
+    /* font: 14px "Segoe UI", "Microsoft YaHei"; */
     padding: 0px 80px 0 10px;
     selection-background-color: --ThemeColorLight1;
 }

qfluentwidgets/_rc/qss/light/table_view.qss

@@ -2,7 +2,7 @@ QTableView {
     background: transparent;
     outline: none;
     border: none;
-    font: 13px 'Segoe UI', 'Microsoft YaHei';
+    /* font: 13px 'Segoe UI', 'Microsoft YaHei'; */
     selection-background-color: transparent;
     alternate-background-color: transparent;
 }

qfluentwidgets/_rc/qss/light/tree_view.qss

@@ -4,7 +4,7 @@ QTreeView {
     border-radius: 5px;
     outline: 0;
     padding-right: 5px;
-    font: 13px 'Segoe UI', 'Microsoft YaHei';
+    /* font: 13px 'Segoe UI', 'Microsoft YaHei'; */
     selection-background-color: transparent;
 }
 

qfluentwidgets/common/__init__.py

 from .config import *
+from .font import setFont, getFont
 from .auto_wrap import TextWrap
 from .icon import Action, Icon, getIconColor, drawSvgIcon, FluentIcon, drawIcon, FluentIconBase, writeSvg
 from .style_sheet import (setStyleSheet, getStyleSheet, setTheme, ThemeColor, themeColor,

qfluentwidgets/common/font.py

+# coding: utf-8
+from PyQt5.QtGui import QFont
+from PyQt5.QtWidgets import QWidget
+
+
+def setFont(widget: QWidget, fontSize=14):
+    """ set the font of widget
+
+    Parameters
+    ----------
+    widget: QWidget
+        the widget to set font
+
+    fontSize: int
+        font pixel size
+    """
+    widget.setFont(getFont(fontSize))
+
+
+def getFont(fontSize=14):
+    """ create font
+
+    Parameters
+    ----------
+    fontSize: int
+        font pixel size
+    """
+    font = QFont()
+    font.setFamilies(['Segoe UI', 'Microsoft YaHei'])
+    font.setPixelSize(fontSize)
+    return font
\ No newline at end of file

qfluentwidgets/components/navigation/__init__.py

-from .navigation_widget import NavigationWidget, NavigationPushButton, NavigationSeparator, NavigationToolButton
+from .navigation_widget import (NavigationWidget, NavigationPushButton, NavigationSeparator, NavigationToolButton,
+                                NavigationTreeWidget, NavigationTreeWidgetBase)
 from .navigation_panel import NavigationPanel, NavigationItemPosition, NavigationDisplayMode
 from .navigation_interface import NavigationInterface
 from .pivot import Pivot, PivotItem
\ No newline at end of file

qfluentwidgets/components/navigation/navigation_interface.py

@@ -6,7 +6,7 @@ from PyQt5.QtGui import QResizeEvent, QIcon
 from PyQt5.QtWidgets import QWidget
 
 from .navigation_panel import NavigationPanel, NavigationItemPosition, NavigationWidget, NavigationDisplayMode
-from .navigation_widget import NavigationPushButton
+from .navigation_widget import NavigationTreeWidget
 from ...common.style_sheet import FluentStyleSheet
 from ...common.icon import FluentIconBase
 
@@ -41,8 +41,9 @@ class NavigationInterface(QWidget):
         self.setAttribute(Qt.WA_StyledBackground)
         FluentStyleSheet.NAVIGATION_INTERFACE.apply(self)
 
-    def addItem(self, routeKey: str, icon: Union[str, QIcon, FluentIconBase], text: str, onClick=None, selectable=True,
-                position=NavigationItemPosition.TOP, tooltip: str = None) -> NavigationPushButton:
+    def addItem(self, routeKey: str, icon: Union[str, QIcon, FluentIconBase], text: str, onClick=None,
+                selectable=True, position=NavigationItemPosition.TOP, tooltip: str = None,
+                parentRouteKey: str = None) -> NavigationTreeWidget:
         """ add navigation item
 
         Parameters
@@ -65,45 +66,16 @@ class NavigationInterface(QWidget):
         position: NavigationItemPosition
             where the button is added
 
-        tooltip: str
-            the tooltip of item
-        """
-        return self.insertItem(-1, routeKey, icon, text, onClick, selectable, position, tooltip)
-
-    def addTreeItem(self, routeKey: str, icon: Union[str, QIcon, FluentIconBase], text: str, onClick=None,
-                    selectable=True, position=NavigationItemPosition.SCROLL, tooltip: str = None, parentRouteKey=None):
-        """ add navigation tree item
-
-        Parameters
-        ----------
-        routeKey: str
-            the unique name of item
-
-        icon: str | QIcon | FluentIconBase
-            the icon of navigation item
-
-        text: str
-            the text of navigation item
-
-        onClick: callable
-            the slot connected to item clicked signal
-
-        position: NavigationItemPosition
-            where the button is added
-
-        selectable: bool
-            whether the item is selectable
-
         tooltip: str
             the tooltip of item
 
         parentRouteKey: str
-            the route key of parent item
+            the route key of parent item, the parent item should be `NavigationTreeWidgetBase`
         """
-        return self.insertTreeItem(-1, routeKey, icon, text, onClick, selectable, position, tooltip, parentRouteKey)
+        return self.insertItem(-1, routeKey, icon, text, onClick, selectable, position, tooltip, parentRouteKey)
 
     def addWidget(self, routeKey: str, widget: NavigationWidget, onClick=None, position=NavigationItemPosition.TOP,
-                  tooltip: str = None):
+                  tooltip: str = None, parentRouteKey: str = None):
         """ add custom widget
 
         Parameters
@@ -118,15 +90,19 @@ class NavigationInterface(QWidget):
             the slot connected to item clicked signal
 
         position: NavigationItemPosition
-            where the button is added
+            where the widget is added
 
         tooltip: str
             the tooltip of widget
+
+        parentRouteKey: str
+            the route key of parent item, the parent item should be `NavigationTreeWidgetBase`
         """
-        self.insertWidget(-1, routeKey, widget, onClick, position, tooltip)
+        self.insertWidget(-1, routeKey, widget, onClick, position, tooltip, parentRouteKey)
 
-    def insertItem(self, index: int, routeKey: str, icon: Union[str, QIcon, FluentIconBase], text: str, onClick=None,
-                   selectable=True, position=NavigationItemPosition.TOP, tooltip: str = None) -> NavigationPushButton:
+    def insertItem(self, index: int, routeKey: str, icon: Union[str, QIcon, FluentIconBase], text: str,
+                   onClick=None, selectable=True, position=NavigationItemPosition.TOP, tooltip: str = None,
+                   parentRouteKey: str = None) -> NavigationTreeWidget:
         """ insert navigation item
 
         Parameters
@@ -150,55 +126,20 @@ class NavigationInterface(QWidget):
             whether the item is selectable
 
         position: NavigationItemPosition
-            where the button is added
-
-        tooltip: str
-            the tooltip of item
-        """
-        button = self.panel.insertItem(index, routeKey, icon, text, onClick, selectable, position, tooltip)
-        self.setMinimumHeight(self.panel.layoutMinHeight())
-        return button
-
-    def insertTreeItem(self, index: int, routeKey: str, icon: Union[str, QIcon, FluentIconBase], text: str, onClick=None,
-                       selectable=True, position=NavigationItemPosition.SCROLL, tooltip: str = None, parentRouteKey=None):
-        """ insert navigation tree item
-
-        Parameters
-        ----------
-        index: int
-            the insert position of parent widget
-
-        routeKey: str
-            the unique name of item
-
-        icon: str | QIcon | FluentIconBase
-            the icon of navigation item
-
-        text: str
-            the text of navigation item
-
-        onClick: callable
-            the slot connected to item clicked signal
-
-        position: NavigationItemPosition
-            where the button is added
-
-        selectable: bool
-            whether the item is selectable
+            where the item is added
 
         tooltip: str
             the tooltip of item
 
         parentRouteKey: str
-            the route key of parent item
+            the route key of parent item, the parent item should be `NavigationTreeWidgetBase`
         """
-        button = self.panel.insertTreeItem(
-            index, routeKey, icon, text, onClick, selectable, position, tooltip, parentRouteKey)
+        w = self.panel.insertItem(index, routeKey, icon, text, onClick, selectable, position, tooltip, parentRouteKey)
         self.setMinimumHeight(self.panel.layoutMinHeight())
-        return button
+        return w
 
     def insertWidget(self, index: int, routeKey: str, widget: NavigationWidget, onClick=None,
-                     position=NavigationItemPosition.TOP, tooltip: str = None):
+                     position=NavigationItemPosition.TOP, tooltip: str = None, parentRouteKey: str = None):
         """ insert custom widget
 
         Parameters
@@ -216,12 +157,15 @@ class NavigationInterface(QWidget):
             the slot connected to item clicked signal
 
         position: NavigationItemPosition
-            where the button is added
+            where the widget is added
 
         tooltip: str
             the tooltip of widget
+
+        parentRouteKey: str
+            the route key of parent item, the parent item should be `NavigationTreeWidgetBase`
         """
-        self.panel.insertWidget(index, routeKey, widget, onClick, position, tooltip)
+        self.panel.insertWidget(index, routeKey, widget, onClick, position, tooltip, parentRouteKey)
         self.setMinimumHeight(self.panel.layoutMinHeight())
 
     def addSeparator(self, position=NavigationItemPosition.TOP):
@@ -276,6 +220,9 @@ class NavigationInterface(QWidget):
         """ set the maximum width """
         self.panel.setExpandWidth(width)
 
+    def widget(self, routeKey: str):
+        return self.panel.widget(routeKey)
+
     def eventFilter(self, obj, e: QEvent):
         if obj is not self.panel or e.type() != QEvent.Resize:
             return super().eventFilter(obj, e)

qfluentwidgets/components/navigation/navigation_panel.py

@@ -6,7 +6,7 @@ from PyQt5.QtCore import Qt, QPropertyAnimation, QRect, QSize, QEvent, QEasingCu
 from PyQt5.QtGui import QResizeEvent, QIcon
 from PyQt5.QtWidgets import QWidget, QVBoxLayout, QFrame, QApplication
 
-from .navigation_widget import (NavigationPushButton, NavigationToolButton, NavigationWidget, NavigationSeparator,
+from .navigation_widget import (NavigationTreeWidgetBase, NavigationToolButton, NavigationWidget, NavigationSeparator,
                                 NavigationTreeWidget)
 from ..widgets.scroll_area import SingleDirectionScrollArea
 from ..widgets.tool_tip import ToolTipFilter
@@ -45,6 +45,14 @@ class RouteKeyError(Exception):
     """ Route key error """
 
 
+class NavigationItem:
+    """ Navigation item """
+
+    def __init__(self, routeKey: str, parentRouteKey: str, widget: NavigationWidget):
+        self.routeKey = routeKey
+        self.parentRouteKey = parentRouteKey
+        self.widget = widget
+
 
 class NavigationPanel(QFrame):
     """ Navigation panel """
@@ -68,7 +76,7 @@ class NavigationPanel(QFrame):
         self.bottomLayout = NavigationItemLayout()
         self.scrollLayout = NavigationItemLayout(self.scrollWidget)
 
-        self.items = {}   # type: Dict[str, NavigationWidget]
+        self.items = {}   # type: Dict[str, NavigationItem]
         self.history = qrouter
 
         self.expandAni = QPropertyAnimation(self, b'geometry', self)
@@ -141,10 +149,10 @@ class NavigationPanel(QFrame):
         if routeKey not in self.items:
             raise RouteKeyError(f"`{routeKey}` is illegal.")
 
-        return self.items[routeKey]
+        return self.items[routeKey].widget
 
     def addItem(self, routeKey: str, icon: Union[str, QIcon, FluentIconBase], text: str, onClick=None, selectable=True,
-                position=NavigationItemPosition.TOP, tooltip: str = None):
+                position=NavigationItemPosition.TOP, tooltip: str = None, parentRouteKey: str = None):
         """ add navigation item
 
         Parameters
@@ -169,11 +177,14 @@ class NavigationPanel(QFrame):
 
         tooltip: str
             the tooltip of item
+
+        parentRouteKey: str
+            the route key of parent item, the parent widget should be `NavigationTreeWidget`
         """
-        return self.insertItem(-1, routeKey, icon, text, onClick, selectable, position, tooltip)
+        return self.insertItem(-1, routeKey, icon, text, onClick, selectable, position, tooltip, parentRouteKey)
 
     def addWidget(self, routeKey: str, widget: NavigationWidget, onClick=None, position=NavigationItemPosition.TOP,
-                  tooltip: str = None):
+                  tooltip: str = None, parentRouteKey: str = None):
         """ add custom widget
 
         Parameters
@@ -192,81 +203,14 @@ class NavigationPanel(QFrame):
 
         tooltip: str
             the tooltip of widget
-        """
-        self.insertWidget(-1, routeKey, widget, onClick, position, tooltip)
-
-    def insertItem(self, index: int, routeKey: str, icon: Union[str, QIcon, FluentIconBase], text: str, onClick=None,
-                   selectable=True, position=NavigationItemPosition.TOP, tooltip: str = None):
-        """ insert navigation item
-
-        Parameters
-        ----------
-        index: int
-            insert position
-
-        routeKey: str
-            the unique name of item
-
-        icon: str | QIcon | FluentIconBase
-            the icon of navigation item
-
-        text: str
-            the text of navigation item
-
-        onClick: callable
-            the slot connected to item clicked signal
-
-        position: NavigationItemPosition
-            where the button is added
-
-        selectable: bool
-            whether the item is selectable
-
-        tooltip: str
-            the tooltip of item
-        """
-        if routeKey in self.items:
-            return
-
-        button = NavigationPushButton(icon, text, selectable, self)
-        self.insertWidget(index, routeKey, button, onClick, position, tooltip)
-
-        return button
-
-    def addTreeItem(self, routeKey: str, icon: Union[str, QIcon, FluentIconBase], text: str, onClick=None,
-                    selectable=True, position=NavigationItemPosition.SCROLL, tooltip: str = None, parentRouteKey=None):
-        """ add navigation tree item
-
-        Parameters
-        ----------
-        routeKey: str
-            the unique name of item
-
-        icon: str | QIcon | FluentIconBase
-            the icon of navigation item
-
-        text: str
-            the text of navigation item
-
-        onClick: callable
-            the slot connected to item clicked signal
-
-        position: NavigationItemPosition
-            where the button is added
-
-        selectable: bool
-            whether the item is selectable
-
-        tooltip: str
-            the tooltip of item
 
         parentRouteKey: str
-            the route key of parent item
+            the route key of parent item, the parent item should be `NavigationTreeWidget`
         """
-        return self.insertTreeItem(-1, routeKey, icon, text, onClick, selectable, position, tooltip, parentRouteKey)
+        self.insertWidget(-1, routeKey, widget, onClick, position, tooltip, parentRouteKey)
 
-    def insertTreeItem(self, index: int, routeKey: str, icon: Union[str, QIcon, FluentIconBase], text: str, onClick=None,
-                       selectable=True, position=NavigationItemPosition.SCROLL, tooltip: str = None, parentRouteKey=None):
+    def insertItem(self, index: int, routeKey: str, icon: Union[str, QIcon, FluentIconBase], text: str, onClick=None,
+                   selectable=True, position=NavigationItemPosition.TOP, tooltip: str = None, parentRouteKey=None):
         """ insert navigation tree item
 
         Parameters
@@ -296,22 +240,17 @@ class NavigationPanel(QFrame):
             the tooltip of item
 
         parentRouteKey: str
-            the route key of parent item
+            the route key of parent item, the parent item should be `NavigationTreeWidget`
         """
         if routeKey in self.items:
             return
 
         w = NavigationTreeWidget(icon, text, selectable, self)
-        if parentRouteKey:
-            self._registerWidget(routeKey, w, onClick, tooltip)
-            self.widget(parentRouteKey).insertChild(index, w)
-        else:
-            self.insertWidget(index, routeKey, w, onClick, position, tooltip)
-
+        self.insertWidget(index, routeKey, w, onClick, position, tooltip, parentRouteKey)
         return w
 
     def insertWidget(self, index: int, routeKey: str, widget: NavigationWidget, onClick=None,
-                     position=NavigationItemPosition.TOP, tooltip: str = None):
+                     position=NavigationItemPosition.TOP, tooltip: str = None, parentRouteKey: str = None):
         """ insert custom widget
 
         Parameters
@@ -333,12 +272,18 @@ class NavigationPanel(QFrame):
 
         tooltip: str
             the tooltip of widget
+
+        parentRouteKey: str
+            the route key of parent item, the parent item should be `NavigationTreeWidget`
         """
         if routeKey in self.items:
             return
 
-        self._registerWidget(routeKey, widget, onClick, tooltip)
-        self._insertWidgetToLayout(index, widget, position)
+        self._registerWidget(routeKey, parentRouteKey, widget, onClick, tooltip)
+        if parentRouteKey:
+            self.widget(parentRouteKey).insertChild(index, widget)
+        else:
+            self._insertWidgetToLayout(index, widget, position)
 
     def addSeparator(self, position=NavigationItemPosition.TOP):
         """ add separator
@@ -364,7 +309,7 @@ class NavigationPanel(QFrame):
         separator = NavigationSeparator(self)
         self._insertWidgetToLayout(index, separator, position)
 
-    def _registerWidget(self, routeKey: str, widget: NavigationWidget, onClick, tooltip: str):
+    def _registerWidget(self, routeKey: str, parentRouteKey: str, widget: NavigationWidget, onClick, tooltip: str):
         """ register widget """
         widget.clicked.connect(self._onWidgetClicked)
 
@@ -372,7 +317,8 @@ class NavigationPanel(QFrame):
             widget.clicked.connect(onClick)
 
         widget.setProperty('routeKey', routeKey)
-        self.items[routeKey] = widget
+        widget.setProperty('parentRouteKey', parentRouteKey)
+        self.items[routeKey] = NavigationItem(routeKey, parentRouteKey, widget)
 
         if self.displayMode in [NavigationDisplayMode.EXPAND, NavigationDisplayMode.MENU]:
             widget.setCompacted(False)
@@ -406,8 +352,12 @@ class NavigationPanel(QFrame):
         if routeKey not in self.items:
             return
 
-        w = self.items.pop(routeKey)
-        w.deleteLater()
+        item = self.items.pop(routeKey)
+
+        if item.parentRouteKey is not None:
+            self.widget(item.parentRouteKey).removeChild(item.widget)
+
+        item.widget.deleteLater()
         self.history.remove(routeKey)
 
     def setMenuButtonVisible(self, isVisible: bool):
@@ -462,9 +412,10 @@ class NavigationPanel(QFrame):
         if self.expandAni.state() == QPropertyAnimation.Running:
             return
 
-        for w in self.items.values():
-            if isinstance(w, NavigationTreeWidget) and w.isRoot():
-                w.setExpanded(False, ani=False)
+        for item in self.items.values():
+            w = item.widget
+            if isinstance(w, NavigationTreeWidgetBase) and w.isRoot():
+                w.setExpanded(False)
 
         self.expandAni.setStartValue(
             QRect(self.pos(), QSize(self.width(), self.height())))
@@ -494,7 +445,7 @@ class NavigationPanel(QFrame):
             return
 
         for k, item in self.items.items():
-            item.setSelected(k == routeKey)
+            item.widget.setSelected(k == routeKey)
 
     def _onWidgetClicked(self):
         widget = self.sender()  # type: NavigationWidget
@@ -503,7 +454,7 @@ class NavigationPanel(QFrame):
 
         self.setCurrentItem(widget.property('routeKey'))
         if widget is not self.menuButton and self.displayMode == NavigationDisplayMode.MENU \
-                and not isinstance(widget, NavigationTreeWidget):
+                and not (isinstance(widget, NavigationTreeWidgetBase) and not widget.isLeaf()):
             self.collapse()
 
     def resizeEvent(self, e: QResizeEvent):
@@ -550,7 +501,7 @@ class NavigationPanel(QFrame):
             self.setStyle(QApplication.style())
 
             for item in self.items.values():
-                item.setCompacted(True)
+                item.widget.setCompacted(True)
 
             if not self._parent.isWindow():
                 self.setParent(self._parent)

qfluentwidgets/components/navigation/navigation_widget.py

 # coding:utf-8
 from typing import Union, List
 
-from PyQt5.QtCore import Qt, pyqtSignal, QRect, QRectF, QPropertyAnimation, pyqtProperty, QMargins, QEasingCurve, QPoint
+from PyQt5.QtCore import (Qt, pyqtSignal, QRect, QRectF, QPropertyAnimation, pyqtProperty, QMargins,
+                          QEasingCurve, QPoint, QEvent)
 from PyQt5.QtGui import QColor, QPainter, QPen, QIcon, QCursor
 from PyQt5.QtWidgets import QWidget, QVBoxLayout
 
@@ -24,6 +25,8 @@ class NavigationWidget(QWidget):
         self.isPressed = False
         self.isEnter = False
         self.isSelectable = isSelectable
+        self.treeParent = None
+        self.nodeDepth = 0
         self.setFixedSize(40, 36)
 
     def enterEvent(self, e):
@@ -65,7 +68,7 @@ class NavigationWidget(QWidget):
         isSelected: bool
             whether the button is selected
         """
-        if not self.isSelectable or self.isSelected == isSelected:
+        if not self.isSelectable:
             return
 
         self.isSelected = isSelected
@@ -241,15 +244,65 @@ class NavigationTreeItem(NavigationPushButton):
     arrowAngle = pyqtProperty(float, getArrowAngle, setArrowAngle)
 
 
-class NavigationTreeWidget(NavigationWidget):
+class NavigationTreeWidgetBase(NavigationWidget):
+    """ Navigation tree widget base class """
+
+    def addChild(self, child):
+        """ add child
+
+        Parameters
+        ----------
+        child: NavigationTreeWidgetBase
+            child item
+        """
+        raise NotImplementedError
+
+    def insertChild(self, index: int, child: NavigationWidget):
+        """ insert child
+
+        Parameters
+        ----------
+        child: NavigationTreeWidgetBase
+            child item
+        """
+        raise NotImplementedError
+
+    def removeChild(self, child: NavigationWidget):
+        """ remove child
+
+        Parameters
+        ----------
+        child: NavigationTreeWidgetBase
+            child item
+        """
+        raise NotImplementedError
+
+    def isRoot(self):
+        """ is root node """
+        return True
+
+    def isLeaf(self):
+        """ is leaf node """
+        return True
+
+    def setExpanded(self, isExpanded: bool):
+        """ set the expanded status
+
+        Parameters
+        ----------
+        isExpanded: bool
+            whether to expand node
+        """
+        raise NotImplementedError
+
+
+class NavigationTreeWidget(NavigationTreeWidgetBase):
     """ Navigation tree widget """
 
     def __init__(self, icon: Union[str, QIcon, FIF], text: str, isSelectable: bool, parent=None):
         super().__init__(isSelectable, parent)
 
         self.treeChildren = []  # type: List[NavigationTreeWidget]
-        self.treeParent = None  # type: NavigationTreeWidget
-        self.nodeDepth = 0
         self.isExpanded = False
 
         self.itemWidget = NavigationTreeItem(icon, text, isSelectable, self)
@@ -267,27 +320,13 @@ class NavigationTreeWidget(NavigationWidget):
         self.setAttribute(Qt.WA_TranslucentBackground)
         self.expandAni.valueChanged.connect(lambda g: self.setFixedSize(g.size()))
 
-    def addChild(self, child: 'NavigationTreeWidget'):
-        """ add child
-
-        Parameters
-        ----------
-        child: NavigationTreeWidget
-            child item
-        """
+    def addChild(self, child):
         self.insertChild(-1, child)
 
     def text(self):
         return self.itemWidget.text()
 
-    def insertChild(self, index: int, child: 'NavigationTreeWidget'):
-        """ insert child
-
-        Parameters
-        ----------
-        child: NavigationTreeWidget
-            child item
-        """
+    def insertChild(self, index, child):
         if child in self.treeChildren:
             return
 
@@ -303,7 +342,11 @@ class NavigationTreeWidget(NavigationWidget):
         self.treeChildren.insert(index, child)
         self.vBoxLayout.insertWidget(index, child, 0, Qt.AlignTop)
 
-    def setExpanded(self, isExpanded: bool, ani=True):
+    def removeChild(self, child):
+        self.treeChildren.remove(child)
+        self.vBoxLayout.removeWidget(child)
+
+    def setExpanded(self, isExpanded: bool, ani=False):
         """ set the expanded status """
         if isExpanded == self.isExpanded:
             return
@@ -345,9 +388,9 @@ class NavigationTreeWidget(NavigationWidget):
     def _onClicked(self, triggerByUser, clickArrow):
         if not self.isCompacted:
             if self.isSelectable and not self.isSelected and not clickArrow:
-                self.setExpanded(True)
+                self.setExpanded(True, ani=True)
             else:
-                self.setExpanded(not self.isExpanded)
+                self.setExpanded(not self.isExpanded, ani=True)
 
         if not clickArrow or self.isCompacted:
             self.clicked.emit(triggerByUser)

qfluentwidgets/components/widgets/button.py

@@ -2,12 +2,13 @@
 from typing import Union
 
 from PyQt5.QtCore import pyqtSignal, QUrl, Qt, QRectF, QSize, QPoint, pyqtProperty
-from PyQt5.QtGui import QDesktopServices, QIcon, QPainter
+from PyQt5.QtGui import QDesktopServices, QIcon, QPainter, QFont
 from PyQt5.QtWidgets import QHBoxLayout, QPushButton, QRadioButton, QToolButton, QApplication, QWidget, QSizePolicy
 
 from ...common.animation import TranslateYAnimation
 from ...common.icon import FluentIconBase, drawIcon, isDarkTheme, Theme, toQIcon
 from ...common.icon import FluentIcon as FIF
+from ...common.font import setFont
 from ...common.style_sheet import FluentStyleSheet
 from ...common.overload import singledispatchmethod
 from .menu import RoundMenu
@@ -24,6 +25,7 @@ class PushButton(QPushButton):
         self.isHover = False
         self.setIconSize(QSize(16, 16))
         self.setIcon(None)
+        setFont(self)
         self._postInit()
 
     @__init__.register
@@ -132,6 +134,7 @@ class HyperlinkButton(QPushButton):
         self._url = QUrl()
         FluentStyleSheet.BUTTON.apply(self)
         self.setCursor(Qt.PointingHandCursor)
+        setFont(self)
         self.clicked.connect(lambda i: QDesktopServices.openUrl(self.getUrl()))
 
     @__init__.register
@@ -174,6 +177,7 @@ class ToolButton(QToolButton):
         self.isHover = False
         self.setIconSize(QSize(16, 16))
         self.setIcon(QIcon())
+        setFont(self)
         self._postInit()
 
     @__init__.register

qfluentwidgets/components/widgets/line_edit.py

@@ -7,6 +7,7 @@ from PyQt5.QtWidgets import QHBoxLayout, QLineEdit, QToolButton, QTextEdit, QPla
 from ...common.style_sheet import FluentStyleSheet, themeColor
 from ...common.icon import isDarkTheme, FluentIconBase, drawIcon
 from ...common.icon import FluentIcon as FIF
+from ...common.font import setFont
 from .menu import LineEditMenu, TextEditMenu
 from .scroll_bar import SmoothScrollDelegate
 
@@ -62,6 +63,7 @@ class LineEdit(QLineEdit):
         FluentStyleSheet.LINE_EDIT.apply(self)
         self.setFixedHeight(33)
         self.setAttribute(Qt.WA_MacShowFocusRect, False)
+        setFont(self)
 
         self.hBoxLayout = QHBoxLayout(self)
         self.clearButton = LineEditButton(FIF.CLOSE, self)
@@ -156,6 +158,7 @@ class TextEdit(QTextEdit):
         super().__init__(parent=parent)
         self.scrollDelegate = SmoothScrollDelegate(self)
         FluentStyleSheet.LINE_EDIT.apply(self)
+        setFont(self)
 
     def contextMenuEvent(self, e):
         menu = TextEditMenu(self)
@@ -169,6 +172,7 @@ class PlainTextEdit(QPlainTextEdit):
         super().__init__(parent=parent)
         self.scrollDelegate = SmoothScrollDelegate(self)
         FluentStyleSheet.LINE_EDIT.apply(self)
+        setFont(self)
 
     def contextMenuEvent(self, e):
         menu = TextEditMenu(self)

qfluentwidgets/components/widgets/spin_box.py

@@ -8,6 +8,7 @@ from PyQt5.QtWidgets import (QSpinBox, QDoubleSpinBox, QToolButton, QHBoxLayout,
 
 from ...common.style_sheet import FluentStyleSheet, themeColor
 from ...common.icon import FluentIconBase, Theme, getIconColor
+from ...common.font import setFont
 from ...components.widgets import LineEditMenu
 
 
@@ -62,6 +63,7 @@ class Ui_SpinBox:
         FluentStyleSheet.SPIN_BOX.apply(self)
         self.setButtonSymbols(QSpinBox.NoButtons)
         self.setFixedHeight(33)
+        setFont(self)
 
         self.hBoxLayout = QHBoxLayout(self)
         self.upButton = SpinButton(SpinIcon.UP, self)

qfluentwidgets/components/widgets/table_view.py

@@ -6,6 +6,7 @@ from PyQt5.QtGui import QPainter, QColor, QKeyEvent, QPalette
 from PyQt5.QtWidgets import (QStyledItemDelegate, QApplication, QStyleOptionViewItem,
                              QTableView, QTableWidget, QWidget, QTableWidgetItem)
 
+from ...common.font import getFont
 from ...common.style_sheet import isDarkTheme, FluentStyleSheet, themeColor
 from .line_edit import LineEdit
 from .scroll_bar import SmoothScrollDelegate
@@ -78,6 +79,7 @@ class TableItemDelegate(QStyledItemDelegate):
 
     def initStyleOption(self, option: QStyleOptionViewItem, index: QModelIndex):
         super().initStyleOption(option, index)
+        option.font = getFont(13)
         if isDarkTheme():
             option.palette.setColor(QPalette.Text, Qt.white)
             option.palette.setColor(QPalette.HighlightedText, Qt.white)

qfluentwidgets/components/widgets/tree_view.py

 # coding:utf-8
-import typing
 from PyQt5.QtCore import Qt, QSize
-from PyQt5.QtGui import QPainter, QColor
-from PyQt5.QtWidgets import QWidget, QTreeWidget, QStyledItemDelegate, QStyle, QTreeView
+from PyQt5.QtGui import QPainter, QColor, QPalette
+from PyQt5.QtWidgets import QTreeWidget, QStyledItemDelegate, QStyle, QTreeView
 
 from ...common.style_sheet import FluentStyleSheet, themeColor, isDarkTheme
+from ...common.font import getFont
 from .scroll_area import SmoothScrollDelegate
 
 
@@ -39,6 +39,16 @@ class TreeItemDelegate(QStyledItemDelegate):
 
         painter.restore()
 
+    def initStyleOption(self, option, index):
+        super().initStyleOption(option, index)
+        option.font = getFont(13)
+        if isDarkTheme():
+            option.palette.setColor(QPalette.Text, Qt.white)
+            option.palette.setColor(QPalette.HighlightedText, Qt.white)
+        else:
+            option.palette.setColor(QPalette.Text, Qt.black)
+            option.palette.setColor(QPalette.HighlightedText, Qt.black)
+
 
 class TreeViewBase:
     """ Tree view base class """

setup.py

@@ -6,7 +6,7 @@ with open('README.md', encoding='utf-8') as f:
 
 setuptools.setup(
     name="PyQt-Fluent-Widgets",
-    version="0.9.0",
+    version="0.9.1",
     keywords="pyqt fluent widgets",
     author="zhiyiYo",
     author_email="shokokawaii@outlook.com",