Select text in search entry also when focusing via shortcut

Based on #945
Closes #945

Signed-off-by: falkTX <falktx@falktx.com>

resources/ui/carla_database.ui

@@ -955,21 +955,5 @@
   <include location="../resources.qrc"/>
  </resources>
  <connections>
-  <connection>
-   <sender>act_focus_search</sender>
-   <signal>triggered()</signal>
-   <receiver>lineEdit</receiver>
-   <slot>setFocus()</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>-1</x>
-     <y>-1</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>448</x>
-     <y>23</y>
-    </hint>
-   </hints>
-  </connection>
  </connections>
 </ui>

source/frontend/carla_database.py

@@ -1409,6 +1409,7 @@ class PluginDatabaseW(QDialog):
 
         self.ui.b_add.setEnabled(False)
         self.addAction(self.ui.act_focus_search)
+        self.ui.act_focus_search.triggered.connect(self.slot_focusSearchFieldAndSelectAll)
 
         if BINARY_NATIVE in (BINARY_POSIX32, BINARY_WIN32):
             self.ui.ch_bridged.setText(self.tr("Bridged (64bit)"))
@@ -1505,7 +1506,7 @@ class PluginDatabaseW(QDialog):
         # Post-connect setup
 
         self._reAddPlugins()
-        self.ui.lineEdit.setFocus()
+        self.slot_focusSearchFieldAndSelectAll()
 
     # --------------------------------------------------------------------------------------------------------
 
@@ -1532,6 +1533,11 @@ class PluginDatabaseW(QDialog):
         if column != self.TABLEWIDGET_ITEM_FAVORITE:
             self.slot_addPlugin()
 
+    @pyqtSlot()
+    def slot_focusSearchFieldAndSelectAll(self):
+        self.ui.lineEdit.setFocus()
+        self.ui.lineEdit.selectAll()
+
     @pyqtSlot()
     def slot_addPlugin(self):
         if self.ui.tableWidget.currentRow() >= 0:
@@ -2201,7 +2207,7 @@ class PluginDatabaseW(QDialog):
     # --------------------------------------------------------------------------------------------------------
 
     def showEvent(self, event):
-        self.ui.lineEdit.setFocus()
+        self.slot_focusSearchFieldAndSelectAll()
         QDialog.showEvent(self, event)
 
 # ---------------------------------------------------------------------------------------------------------------------