From 3fe75fac59580a28e58f1d21dfc374c8b5abda71 Mon Sep 17 00:00:00 2001
From: bsongis <bsongis@gmail.com>
Date: Wed, 11 Jun 2014 09:30:52 +0200
Subject: [PATCH] Fixes #1151 (applied the same trick to the GeneralEdit
 window)

---
 companion/src/generaledit.cpp | 63 +++++++++++++++++++++++++++++++----
 companion/src/generaledit.h   |  8 +++--
 2 files changed, 62 insertions(+), 9 deletions(-)

diff --git a/companion/src/generaledit.cpp b/companion/src/generaledit.cpp
index 99b67a5ca..56373f649 100644
--- a/companion/src/generaledit.cpp
+++ b/companion/src/generaledit.cpp
@@ -88,7 +88,8 @@ GeneralEdit::GeneralEdit(RadioData &radioData, QWidget *parent) :
     if (!GetCurrentFirmware()->getCapability(MultiLangVoice)) {
       ui->VoiceLang_label->hide();
       ui->voiceLang_CB->hide();
-    } else {
+    }
+    else {
       voiceLangEditLock=true;
       populateVoiceLangCB(ui->voiceLang_CB, g_eeGeneral.ttsLanguage);
       voiceLangEditLock=false;
@@ -97,7 +98,8 @@ GeneralEdit::GeneralEdit(RadioData &radioData, QWidget *parent) :
     if (!mavlink) {
       ui->mavbaud_CB->hide();
       ui->mavbaud_label->hide();
-    } else {
+    }
+    else {
       mavbaudEditLock=true;
       ui->mavbaud_CB->setCurrentIndex(g_eeGeneral.mavbaud);
       populateVoiceLangCB(ui->voiceLang_CB, g_eeGeneral.ttsLanguage);
@@ -170,7 +172,8 @@ GeneralEdit::GeneralEdit(RadioData &radioData, QWidget *parent) :
       ui->volume_SB->hide();
       ui->volume_SB->setDisabled(true);
       ui->label_volume->hide();
-    } else {
+    }
+    else {
       ui->volume_SB->setMaximum(GetCurrentFirmware()->getCapability(MaxVolume));
     }    
     if (!GetCurrentFirmware()->getCapability(HasBrightness)) {
@@ -314,6 +317,8 @@ GeneralEdit::GeneralEdit(RadioData &radioData, QWidget *parent) :
       ui->switchesDelayLabel->hide();
     }
 
+    disableMouseScrolling();
+
     ga.sendPageView(getBoardName(GetCurrentFirmware()->getBoard()) + " GeneralEdit");
 }
 
@@ -1076,7 +1081,8 @@ void GeneralEdit::on_calstore_PB_clicked()
   if (name.isEmpty()) {
     ui->calstore_PB->setDisabled(true);
     return;
-  } else {
+  }
+  else {
     QString calib=g.profile[profile_id].stickPotCalib();
     if (!(calib.isEmpty())) {
       int ret = QMessageBox::question(this, "Companion", 
@@ -1115,7 +1121,50 @@ void GeneralEdit::on_calstore_PB_clicked()
   }
 }
 
-void GeneralEdit::shrink() {
-    resize(100,100);
-    resize(0,0);
+void GeneralEdit::shrink()
+{
+  resize(100, 100);
+  resize(0, 0);
+}
+
+bool GeneralEdit::eventFilter(QObject *object, QEvent * event)
+{
+  QWidget * widget = qobject_cast<QWidget*>(object);
+  if (widget) {
+    if (event->type() == QEvent::Wheel) {
+      if (widget->focusPolicy() == Qt::WheelFocus) {
+        event->accept();
+        return false;
+      }
+      else {
+        event->ignore();
+        return true;
+      }
+    }
+    else if (event->type() == QEvent::FocusIn) {
+      widget->setFocusPolicy(Qt::WheelFocus);
+    }
+    else if (event->type() == QEvent::FocusOut) {
+      widget->setFocusPolicy(Qt::StrongFocus);
+    }
+  }
+  return QWidget::eventFilter(object, event);
+}
+
+void GeneralEdit::disableMouseScrolling()
+{
+  Q_FOREACH(QComboBox * cb, findChildren<QComboBox*>()) {
+    cb->installEventFilter(this);
+    cb->setFocusPolicy(Qt::StrongFocus);
+  }
+
+  Q_FOREACH(QAbstractSpinBox * sb, findChildren<QAbstractSpinBox*>()) {
+    sb->installEventFilter(this);
+    sb->setFocusPolicy(Qt::StrongFocus);
+  }
+
+  Q_FOREACH(QSlider * slider, findChildren<QSlider*>()) {
+    slider->installEventFilter(this);
+    slider->setFocusPolicy(Qt::StrongFocus);
+  }
 }
diff --git a/companion/src/generaledit.h b/companion/src/generaledit.h
index 5a08469f3..8bd86e2d8 100644
--- a/companion/src/generaledit.h
+++ b/companion/src/generaledit.h
@@ -12,12 +12,12 @@ class GeneralEdit : public QDialog
 {
     Q_OBJECT
 
-public:
+  public:
     explicit GeneralEdit(RadioData &radioData, QWidget *parent = 0);
     ~GeneralEdit();
     void updateSettings();
 
-private:
+  private:
     Ui::GeneralEdit *ui;
     RadioData &radioData;
     GeneralSettings g_eeGeneral;
@@ -28,6 +28,10 @@ private:
     void getGeneralSwitchDefPos(int i, bool val);
     void setSwitchDefPos();
     void updateVarioPitchRange();
+    void disableMouseScrolling();
+
+  protected:
+    virtual bool eventFilter(QObject *obj, QEvent *event);
     
   signals:
     void modelValuesChanged();