fixes #200

examples/line_edit/demo.py

 # coding:utf-8
 import sys
 from PyQt5.QtCore import Qt
-from PyQt5.QtWidgets import QApplication, QWidget
+from PyQt5.QtWidgets import QApplication, QWidget, QHBoxLayout
 
-from qfluentwidgets import LineEdit, PushButton, TextEdit
+from qfluentwidgets import LineEdit, PushButton, SearchLineEdit
 
 
 class Demo(QWidget):
 
     def __init__(self):
         super().__init__()
-        self.lineEdit = LineEdit(self)
-        self.button = PushButton('按钮', self)
-        self.textEdit = TextEdit(self)
+        self.hBoxLayout = QHBoxLayout(self)
+        self.lineEdit = SearchLineEdit(self)
+        self.button = PushButton('Search', self)
 
-        self.resize(500, 500)
-        self.textEdit.move(110, 200)
-        self.lineEdit.move(110, 50)
-        self.button.move(320, 52)
+        self.resize(400, 400)
+        self.hBoxLayout.setAlignment(Qt.AlignCenter)
+        self.hBoxLayout.addWidget(self.lineEdit, 0, Qt.AlignCenter)
+        self.hBoxLayout.addWidget(self.button, 0, Qt.AlignCenter)
 
-        self.lineEdit.resize(200, 33)
+        self.lineEdit.setFixedSize(200, 33)
         self.lineEdit.setClearButtonEnabled(True)
+        self.lineEdit.setPlaceholderText('Search icon')
 
 
 if __name__ == '__main__':

plugins/text_plugin.py

@@ -2,7 +2,7 @@
 from PyQt5.QtCore import Qt
 from PyQt5.QtDesigner import QPyDesignerCustomWidgetPlugin
 
-from qfluentwidgets import SpinBox, DoubleSpinBox, TextEdit, TimeEdit, DateTimeEdit, LineEdit, PlainTextEdit, DateEdit
+from qfluentwidgets import SpinBox, DoubleSpinBox, TextEdit, TimeEdit, DateTimeEdit, LineEdit, PlainTextEdit, DateEdit, SearchLineEdit
 
 from plugin_base import PluginBase
 
@@ -26,6 +26,19 @@ class LineEditPlugin(TextPlugin, QPyDesignerCustomWidgetPlugin):
         return "LineEdit"
 
 
+class SearchLineEditPlugin(TextPlugin, QPyDesignerCustomWidgetPlugin):
+    """ Search line edit plugin """
+
+    def createWidget(self, parent):
+        return SearchLineEdit(parent)
+
+    def icon(self):
+        return super().icon("IconElement")
+
+    def name(self):
+        return "SearchLineEdit"
+
+
 class TextEditPlugin(TextPlugin, QPyDesignerCustomWidgetPlugin):
     """ Text edit plugin """
 

qfluentwidgets/components/widgets/line_edit.py

@@ -111,12 +111,13 @@ class LineEdit(QLineEdit):
         painter.setRenderHints(QPainter.Antialiasing)
         painter.setPen(Qt.NoPen)
 
+        m = self.contentsMargins()
         path = QPainterPath()
-        w, h = self.width(), self.height()
-        path.addRoundedRect(QRectF(0, h-10, w, 10), 5, 5)
+        w, h = self.width()-m.left()-m.right(), self.height()
+        path.addRoundedRect(QRectF(m.left(), h-10, w, 10), 5, 5)
 
         rectPath = QPainterPath()
-        rectPath.addRect(0, h-10, w, 8)
+        rectPath.addRect(m.left(), h-10, w, 8)
         path = path.subtracted(rectPath)
 
         painter.fillPath(path, themeColor())