New option in "Environment" / "Appearance". To prevent mouse wheel ch…

…ange combobox's current selection.

NEWS.md

@@ -12,7 +12,7 @@ Red Panda C++ Version 3.3
   - fix: Color scheme's "Indent Guide Line" item is not used by the editor.
   - fix: "Indent Guide Line" item doesn't show in the option / editor / color scheme page.
   - fix: Remove not used option "indent guide line" in the option / editor / general page. 
-  - change: Prevent mouse wheel change combobox's current selection.
+  - enhancement: New option in "Environment" / "Appearance". To prevent mouse wheel change combobox's current selection.
   - enhancement: Add "Rainbow indents"/"Rainbow indent guides" options in the option / editor / color scheme page.
   - enhancement: Manually select file type.
   - enhancement: When ctrl+click to open a C/C++ header file not suffixed with .h/.hh/.hpp etc., auto set its type to C/C++ header.

RedPandaIDE/main.cpp

@@ -166,7 +166,8 @@ BlockWheelEventFiler::~BlockWheelEventFiler()
 bool BlockWheelEventFiler::eventFilter(QObject *watched, QEvent *event)
 {
     //Prevent QComboBox wheel event
-    if (event->type() == QEvent::Wheel) {
+    if (event->type() == QEvent::Wheel
+            && !pSettings->environment().comboboxWheel()) {
         QComboBox *p=qobject_cast<QComboBox*>(watched);
         if (p && !(p->view() && p->view()->isVisible()))
             return true;

RedPandaIDE/settings.cpp

@@ -3808,7 +3808,8 @@ void Settings::Environment::doLoad()
     mIconZoomFactor = doubleValue("icon_zoom_factor",1.0);
     mLanguage = stringValue("language", QLocale::system().name());
     mIconSet = stringValue("icon_set","contrast");
-    mUseCustomIconSet = boolValue("use_custom_icon_set", false);
+    mUseCustomIconSet = boolValue("use_custom_icon_set", false);    
+    mComboboxWheel = boolValue("enable_combobox_wheel", false);
 
     mCurrentFolder = stringValue("current_folder",QDir::currentPath());
     if (!fileExists(mCurrentFolder)) {
@@ -4046,14 +4047,24 @@ void Settings::Environment::checkAndSetTerminal()
     QMessageBox::critical(
                 nullptr,
                 QCoreApplication::translate("Settings","Error"),
-        QCoreApplication::translate("Settings","Can't find terminal program!"));
+                QCoreApplication::translate("Settings","Can't find terminal program!"));
 }
 
 QMap<QString, QString> Settings::Environment::terminalArgsPatternMagicVariables()
 {
     return mTerminalArgsPatternMagicVariables;
 }
 
+bool Settings::Environment::comboboxWheel() const
+{
+    return mComboboxWheel;
+}
+
+void Settings::Environment::setComboboxWheel(bool newComboboxWheel)
+{
+    mComboboxWheel=newComboboxWheel;
+}
+
 QList<Settings::Environment::TerminalItem> Settings::Environment::loadTerminalList() const
 {
 #ifdef Q_OS_WINDOWS
@@ -4128,6 +4139,7 @@ void Settings::Environment::doSave()
     saveValue("icon_set",mIconSet);
     saveValue("use_custom_icon_set", mUseCustomIconSet);
     saveValue("use_custom_theme", mUseCustomTheme);
+    saveValue("enable_combobox_wheel", mComboboxWheel);
 
     saveValue("current_folder",mCurrentFolder);
     saveValue("default_open_folder",mDefaultOpenFolder);

RedPandaIDE/settings.h

@@ -601,6 +601,9 @@ class Settings
 
         static QMap<QString, QString> terminalArgsPatternMagicVariables();
 
+        bool comboboxWheel() const;
+        void setComboboxWheel(bool newComboboxWheel);
+
     private:
         bool isTerminalValid();
         void checkAndSetTerminal();
@@ -615,6 +618,7 @@ class Settings
         QString mIconSet;
         bool mUseCustomIconSet;
         bool mUseCustomTheme;
+        bool mComboboxWheel;
 
         QString mDefaultOpenFolder;
         QString mTerminalPath;

RedPandaIDE/settingsdialog/environmentappearancewidget.cpp

@@ -62,6 +62,7 @@ void EnvironmentAppearanceWidget::doLoad()
             break;
         }
     }
+    ui->chkComboboxWheel->setChecked(pSettings->environment().comboboxWheel());
 }
 
 void EnvironmentAppearanceWidget::doSave()
@@ -83,6 +84,7 @@ void EnvironmentAppearanceWidget::doSave()
     pSettings->environment().setIconZoomFactor(ui->spinZoomFactor->value());
 
     pSettings->environment().setUseCustomIconSet(ui->chkUseCustomIconSet->isChecked());
+    pSettings->environment().setComboboxWheel(ui->chkComboboxWheel->isChecked());
 
     pSettings->environment().save();
     pMainWindow->applySettings();