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/combobox.cc     | 26 +++++++++++++++++++++----
 client/widgets/combobox.h      |  2 ++
 client/widgets/lineedit.cc     | 43 +++++++++++++++++++++++++++++++++++-------
 client/widgets/lineedit.h      |  6 ++++++
 client/widgets/radiobuttons.cc |  7 +++++++
 client/widgets/radiobuttons.h  |  3 +++
 6 files changed, 76 insertions(+), 11 deletions(-)

diff --git a/client/widgets/combobox.cc b/client/widgets/combobox.cc
index bf25475..f81d989 100644
--- a/client/widgets/combobox.cc
+++ b/client/widgets/combobox.cc
@@ -30,6 +30,7 @@
 #include <QRegExpValidator>
 #include <QRegExp>
 #include <QLineEdit>
+#include <QCoreApplication>
 
 #include "common.h"
 
@@ -170,12 +171,17 @@ void ComboBox::changed()
 
   QPalette palette;
 
-  if(isValid() && luaValidator()) {
+  if(isEnabled()) {
+    if(isValid() && luaValidator()) {
+      // valid string
+      palette.setBrush(QPalette::Base, QBrush(QColor(255, 255, 255)));
+    } else {
+      // invalid string
+      palette.setBrush(QPalette::Base, QBrush(QColor(230, 200, 200)));
+    }
+  } else {
     // valid string
     palette.setBrush(QPalette::Base, QBrush(QColor(255, 255, 255)));
-  } else {
-    // invalid string
-    palette.setBrush(QPalette::Base, QBrush(QColor(230, 200, 200)));
   }
 
   if(lineEdit()) lineEdit()->setPalette(palette);
@@ -230,3 +236,15 @@ bool ComboBox::eventFilter(QObject *obj, QEvent *event)
 
   return QObject::eventFilter(obj, event);
 }
+
+void ComboBox::wheelEvent(QWheelEvent *e)
+{
+  QCoreApplication::sendEvent(nativeParentWidget(), e);
+}
+
+void ComboBox::changeEvent(QEvent *event)
+{
+  if(event->type() == QEvent::EnabledChange) {
+    changed();
+  }
+}
diff --git a/client/widgets/combobox.h b/client/widgets/combobox.h
index af48ba5..8059e81 100644
--- a/client/widgets/combobox.h
+++ b/client/widgets/combobox.h
@@ -70,6 +70,8 @@ signals:
 
 protected:
   bool eventFilter(QObject *obj, QEvent *event);
+  void wheelEvent(QWheelEvent *);
+  void changeEvent(QEvent *event);
 
 private:
   QRegExp rx;
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();
+  }
+}
diff --git a/client/widgets/lineedit.h b/client/widgets/lineedit.h
index 5af912f..556e52c 100644
--- a/client/widgets/lineedit.h
+++ b/client/widgets/lineedit.h
@@ -60,6 +60,12 @@ public slots:
 
 signals:
   void wasChanged();
+
+protected:
+  void changeEvent(QEvent *event);
+
+private:
+  bool eventFilter(QObject *, QEvent *event);
 };
 
 #endif/*__PRACRO_LINEEDIT_H__*/
diff --git a/client/widgets/radiobuttons.cc b/client/widgets/radiobuttons.cc
index d11c3e5..e4555ff 100644
--- a/client/widgets/radiobuttons.cc
+++ b/client/widgets/radiobuttons.cc
@@ -183,3 +183,10 @@ bool RadioButtons::isDisabled()
 {
   return isEnabled() == false;
 }
+
+void RadioButtons::changeEvent(QEvent *event)
+{
+  if(event->type() == QEvent::EnabledChange) {
+    setBGColor(isValid() || !isEnabled());
+  }
+}
diff --git a/client/widgets/radiobuttons.h b/client/widgets/radiobuttons.h
index a32147b..9b165c9 100644
--- a/client/widgets/radiobuttons.h
+++ b/client/widgets/radiobuttons.h
@@ -63,6 +63,9 @@ public slots:
 signals:
   void wasChanged();
 
+protected:
+  void changeEvent(QEvent *event);
+
 private:
   QVector < RadioButton* > radiobutton_list;
 
-- 
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