From 71092e6e9c3165597ef2b104e351524a1314d968 Mon Sep 17 00:00:00 2001
From: vsv <vsv@opencascade.com>
Date: Wed, 4 Jul 2018 20:46:30 +0300
Subject: [PATCH] Provide completion on editing

---
 src/ModuleBase/ModuleBase_ParamSpinBox.cpp | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/ModuleBase/ModuleBase_ParamSpinBox.cpp b/src/ModuleBase/ModuleBase_ParamSpinBox.cpp
index 349eec6b6..d0f527331 100644
--- a/src/ModuleBase/ModuleBase_ParamSpinBox.cpp
+++ b/src/ModuleBase/ModuleBase_ParamSpinBox.cpp
@@ -215,10 +215,8 @@ void ModuleBase_ParamSpinBox::showCompletion()
   int aStart, aEnd;
   QString aPrefix;
   aPrefix = getPrefix(aStart, aEnd);
-  if (aPrefix.length() > 0) {
-    myCompleter->setCompletionPrefix(aPrefix);
-    myCompleter->complete();
-  }
+  myCompleter->setCompletionPrefix(aPrefix);
+  myCompleter->complete();
 }
 
 void ModuleBase_ParamSpinBox::keyReleaseEvent(QKeyEvent* e)
@@ -237,7 +235,11 @@ void ModuleBase_ParamSpinBox::keyReleaseEvent(QKeyEvent* e)
     }
     emit textChanged(lineEdit()->text());
     break;
-  default:
+  case Qt::Key_Space:
+    if (e->modifiers() & Qt::ControlModifier) {
+      showCompletion();
+    }
+    break;  default:
     aText = e->text();
     if (aText.length() == 1) {
       QChar aChar = aText.at(0);
-- 
2.39.2