提升工具提示为顶层窗口

widgets/tool_tip/demo.py

@@ -14,7 +14,7 @@ class Demo(QWidget):
         self.button1 = QPushButton('キラキラ', self)
         self.button2 = QPushButton('食べた愛', self)
         self._toolTip = ToolTip(parent=self)
-        # self._tooltip.setDarkTheme(True)
+        # self._toolTip.setDarkTheme(True)
 
         self.button1.setToolTip('aiko - キラキラ ✨')
         self.button2.setToolTip('aiko - 食べた愛 🥰')
@@ -43,16 +43,7 @@ class Demo(QWidget):
         if e.type() == QEvent.Enter:
             tip.setText(obj.toolTip())
             tip.setDuration(obj.toolTipDuration())
-
-            pos = obj.mapTo(self, QPoint(0, 0))
-            x = pos.x() + obj.width()//2 - tip.width()//2
-            y = pos.y() - 5 - tip.height()
-
-            # adjust postion to prevent tooltips from appearing outside the window
-            x = min(max(5, x), self.width() - tip.width() - 5)
-            y = min(max(5, y), self.height() - tip.height() - 5)
-
-            tip.move(x, y)
+            tip.adjustPos(obj.mapToGlobal(QPoint()), obj.size())
             tip.show()
         elif e.type() == QEvent.Leave:
             tip.hide()

widgets/tool_tip/resource/tooltip.qss

-ToolTip[dark="false"] {
+ToolTip[dark=false]>QFrame {
     border: 1px solid rgba(0, 0, 0, 0.06);
     border-radius: 5px;
     background-color: rgb(243, 243, 243);
 }
 
-ToolTip[dark="true"] {
+ToolTip[dark=true]>QFrame {
     border: 1px solid rgb(28, 28, 28);
     border-radius: 5px;
     background-color: rgb(43, 43, 43);
@@ -15,10 +15,10 @@ QLabel {
     font: 15px 'Segoe UI', 'Microsoft YaHei';
 }
 
-QLabel[dark="false"] {
+QLabel[dark=false] {
     color: black;
 }
 
-QLabel[dark="true"] {
+QLabel[dark=true] {
     color: white;
 }
\ No newline at end of file

widgets/tool_tip/tool_tip.py

 # coding:utf-8
-from PyQt5.QtCore import QFile, QPropertyAnimation, QTimer, Qt
+from PyQt5.QtCore import QFile, QPropertyAnimation, QTimer, Qt, QPoint, QSize
 from PyQt5.QtGui import QColor
 from PyQt5.QtWidgets import (QApplication, QFrame, QGraphicsDropShadowEffect,
                              QHBoxLayout, QLabel)
@@ -11,27 +11,33 @@ class ToolTip(QFrame):
         super().__init__(parent=parent)
         self.__text = text
         self.__duration = 1000
+        self.container = QFrame(self)
         self.timer = QTimer(self)
-        self.hBox = QHBoxLayout(self)
+
+        self.setLayout(QHBoxLayout())
+        self.containerLayout = QHBoxLayout(self.container)
         self.label = QLabel(text, self)
         self.ani = QPropertyAnimation(self, b'windowOpacity', self)
 
         # set layout
-        self.hBox.addWidget(self.label)
-        self.hBox.setContentsMargins(10, 7, 10, 7)
+        self.layout().setContentsMargins(15, 10, 15, 15)
+        self.layout().addWidget(self.container)
+        self.containerLayout.addWidget(self.label)
+        self.containerLayout.setContentsMargins(10, 7, 10, 7)
 
         # add shadow
         self.shadowEffect = QGraphicsDropShadowEffect(self)
-        self.shadowEffect.setBlurRadius(32)
+        self.shadowEffect.setBlurRadius(25)
         self.shadowEffect.setColor(QColor(0, 0, 0, 60))
         self.shadowEffect.setOffset(0, 5)
-        self.setGraphicsEffect(self.shadowEffect)
+        self.container.setGraphicsEffect(self.shadowEffect)
 
         self.timer.setSingleShot(True)
         self.timer.timeout.connect(self.hide)
 
         # set style
-        self.setAttribute(Qt.WA_StyledBackground)
+        self.setAttribute(Qt.WA_TranslucentBackground)
+        self.setWindowFlags(Qt.Tool | Qt.FramelessWindowHint)
         self.setDarkTheme(False)
         self.__setQss()
 
@@ -64,7 +70,6 @@ class ToolTip(QFrame):
 
     def setDarkTheme(self, dark=False):
         """ set dark theme """
-        dark = 'true' if dark else 'false'
         self.setProperty('dark', dark)
         self.label.setProperty('dark', dark)
         self.setStyle(QApplication.style())
@@ -76,4 +81,25 @@ class ToolTip(QFrame):
 
     def hideEvent(self, e):
         self.timer.stop()
-        super().hideEvent(e)
\ No newline at end of file
+        super().hideEvent(e)
+
+    def adjustPos(self, pos: QPoint, size: QSize):
+        """ adjust the position of tooltip relative to widget
+
+        Parameters
+        ----------
+        pos: QPoint
+            global position of widget
+
+        size: QSize
+            size of widget
+        """
+        x = pos.x() + size.width()//2 - self.width()//2
+        y = pos.y() - self.height()
+
+        # adjust postion to prevent tooltips from appearing outside the screen
+        desk = QApplication.desktop()
+        x = min(max(0, x), desk.width() - self.width() - 5)
+        y = min(max(0, y), desk.height() - self.height() - 5)
+
+        self.move(x, y)