Set to remember the last replace 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

@@ -1936,6 +1936,11 @@ update cards set usn=?, mod=?, did=? where id in """
         frm.find.lineEdit().selectAll()
         frm.find.setFocus()
 
+        replacehistory = self.mw.pm.profile.get("FindAndReplaceReplaceHistory", [])
+        frm.replace.addItems(replacehistory)
+        frm.replace.lineEdit().setText(replacehistory[0] if replacehistory else "")
+        frm.replace.lineEdit().selectAll()
+
         frm.field.addItems([_("All Fields")] + fields)
         qconnect(frm.buttonBox.helpRequested, self.onFindReplaceHelp)
         restoreGeom(d, "findreplace")
@@ -1957,7 +1962,15 @@ update cards set usn=?, mod=?, did=? where id in """
         frm.find.addItems(findhistory)
         self.mw.pm.profile["FindAndReplaceFindHistory"] = findhistory
 
-        replace = frm.replace.text()
+        replace = frm.replace.lineEdit().text()
+        if replace in replacehistory:
+            replacehistory.remove(replace)
+        replacehistory.insert(0, replace)
+        replacehistory = replacehistory[:30]
+        frm.replace.clear()
+        frm.replace.addItems(replacehistory)
+        self.mw.pm.profile["FindAndReplaceReplaceHistory"] = replacehistory
+
         regex = frm.re.isChecked()
         nocase = frm.ignoreCase.isChecked()
 

qt/designer/findreplace.ui

@@ -47,7 +47,20 @@
       </widget>
      </item>
      <item row="1" column="1">
-      <widget class="QLineEdit" name="replace"/>
+      <widget class="QComboBox" name="replace">
+       <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="2" column="0">
       <widget class="QLabel" name="label_3">