Set to remember the last find input for findreplace.ui

https://anki.tenderapp.com/discussions/ankidesktop/39468-find-and-replace-does-not-remember-the-input-from-last-time

qt/aqt/browser.py

@@ -1929,6 +1929,13 @@ update cards set usn=?, mod=?, did=? where id in """
         frm = aqt.forms.findreplace.Ui_Dialog()
         frm.setupUi(d)
         d.setWindowModality(Qt.WindowModal)
+
+        findhistory = self.mw.pm.profile.get("FindAndReplaceFindHistory", [])
+        frm.find.addItems(findhistory)
+        frm.find.lineEdit().setText(findhistory[0] if findhistory else "")
+        frm.find.lineEdit().selectAll()
+        frm.find.setFocus()
+
         frm.field.addItems([_("All Fields")] + fields)
         qconnect(frm.buttonBox.helpRequested, self.onFindReplaceHelp)
         restoreGeom(d, "findreplace")
@@ -1941,7 +1948,15 @@ update cards set usn=?, mod=?, did=? where id in """
         else:
             field = fields[frm.field.currentIndex() - 1]
 
-        search = frm.find.text()
+        search = frm.find.lineEdit().text()
+        if search in findhistory:
+            findhistory.remove(search)
+        findhistory.insert(0, search)
+        findhistory = findhistory[:30]
+        frm.find.clear()
+        frm.find.addItems(findhistory)
+        self.mw.pm.profile["FindAndReplaceFindHistory"] = findhistory
+
         replace = frm.replace.text()
         regex = frm.re.isChecked()
         nocase = frm.ignoreCase.isChecked()

qt/designer/findreplace.ui

@@ -24,7 +24,20 @@
       </widget>
      </item>
      <item row="0" column="1">
-      <widget class="QLineEdit" name="find"/>
+      <widget class="QComboBox" name="find">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>9</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="editable">
+        <bool>true</bool>
+       </property>
+       <property name="insertPolicy">
+        <enum>QComboBox::NoInsert</enum>
+       </property>
+      </widget>
      </item>
      <item row="1" column="0">
       <widget class="QLabel" name="label_2">