From 0d76adfb6dce6dec1367913752f7b0a818e1bc21 Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Thu, 29 Apr 2010 12:26:01 +0000
Subject: Backported some widget behaviour from head.

---
 client/widgets/lineedit.cc | 43 ++++++++++++++++++++++++++++++++++++-------
 1 file changed, 36 insertions(+), 7 deletions(-)

(limited to 'client/widgets/lineedit.cc')

diff --git a/client/widgets/lineedit.cc b/client/widgets/lineedit.cc
index 49b3704..c3a799a 100644
--- a/client/widgets/lineedit.cc
+++ b/client/widgets/lineedit.cc
@@ -48,23 +48,30 @@ LineEdit::LineEdit(QDomNode &node, MacroWindow *macrowindow)
   
   connect(this, SIGNAL(textChanged(QString)), this, SLOT(changed()));
   connect(this, SIGNAL(textEdited(QString)), this, SLOT(user_changed()));
+
+  installEventFilter(this); // Detect keyboard input.
 }
 
 void LineEdit::changed()
 {
   QPalette palette;
 
-  if(regexpValidator()) {
-    if(luaValidator()) {
-      // valid string
-      palette.setBrush(QPalette::Base, QBrush(QColor(255, 255, 255)));
+  if(isEnabled()) {
+    if(regexpValidator()) {
+      if(luaValidator()) {
+        // valid string
+        palette.setBrush(QPalette::Base, QBrush(QColor(255, 255, 255)));
+      } else {
+        // invalid string
+        palette.setBrush(QPalette::Base, QBrush(QColor(200, 230, 200)));
+      }
     } else {
       // invalid string
-      palette.setBrush(QPalette::Base, QBrush(QColor(200, 230, 200)));
+      palette.setBrush(QPalette::Base, QBrush(QColor(230, 200, 200)));
     }
   } else {
-    // invalid string
-    palette.setBrush(QPalette::Base, QBrush(QColor(230, 200, 200)));
+    // valid string
+    palette.setBrush(QPalette::Base, QBrush(QColor(255, 255, 255)));
   }
 
   setPalette(palette);
@@ -127,3 +134,25 @@ void LineEdit::setVisibility(bool visible)
 {
   setVisible(visible);
 }
+
+
+#include <QCoreApplication>
+bool LineEdit::eventFilter(QObject *, QEvent *event)
+{
+  if (event->type() == QEvent::KeyPress) {
+    QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+    if(keyEvent->key() == Qt::Key_Return ||
+       keyEvent->key() == Qt::Key_Enter) {
+      QKeyEvent tabevent(QEvent::KeyPress, Qt::Key_Tab, Qt::NoModifier); 
+      QCoreApplication::sendEvent(this, &tabevent);
+    }
+  }
+  return false;
+}
+
+void LineEdit::changeEvent(QEvent *event)
+{
+  if(event->type() == QEvent::EnabledChange) {
+    changed();
+  }
+}
-- 
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