Qt: AccordionFrame users keyPressEvent() fixes

- Declare keyPressEvent() virtual.
- Give keyPressEvent() to parent when done.

Change-Id: If1c05e86a5ab71dd239c025cdb2bcfb1ef484811
Reviewed-on: https://code.wireshark.org/review/24573
Petri-Dish: Stig Bjørlykke <stig@bjorlykke.org>
Tested-by: Petri Dish Buildbot
Reviewed-by: Roland Knall <rknall@gmail.com>
Reviewed-by: Anders Broman <a.broman58@gmail.com>

ui/qt/column_editor_frame.cpp

@@ -184,6 +184,8 @@ void ColumnEditorFrame::keyPressEvent(QKeyEvent *event)
             }
         }
     }
+
+    AccordionFrame::keyPressEvent(event);
 }
 
 /*

ui/qt/column_editor_frame.h

@@ -43,7 +43,7 @@ signals:
 
 protected:
     virtual void showEvent(QShowEvent *event);
-    void keyPressEvent(QKeyEvent *event);
+    virtual void keyPressEvent(QKeyEvent *event);
 
 private slots:
     void on_typeComboBox_activated(int index);

ui/qt/filter_expression_frame.cpp

@@ -189,7 +189,10 @@ void FilterExpressionFrame::keyPressEvent(QKeyEvent *event)
             }
         }
     }
+
+    AccordionFrame::keyPressEvent(event);
 }
+
 /*
  * Editor modelines
  *

ui/qt/filter_expression_frame.h

@@ -47,7 +47,7 @@ signals:
 
 protected:
     virtual void showEvent(QShowEvent *event);
-    void keyPressEvent(QKeyEvent *event);
+    virtual void keyPressEvent(QKeyEvent *event);
 
 private:
     Ui::FilterExpressionFrame *ui;

ui/qt/preference_editor_frame.cpp

@@ -261,6 +261,8 @@ void PreferenceEditorFrame::keyPressEvent(QKeyEvent *event)
             }
         }
     }
+
+    AccordionFrame::keyPressEvent(event);
 }
 
 /*

ui/qt/preference_editor_frame.h

@@ -49,7 +49,7 @@ signals:
 
 protected:
     virtual void showEvent(QShowEvent *event);
-    void keyPressEvent(QKeyEvent *event);
+    virtual void keyPressEvent(QKeyEvent *event);
 
 private slots:
     // Similar to ModulePreferencesScrollArea

ui/qt/search_frame.cpp

@@ -134,16 +134,15 @@ void SearchFrame::findFrameWithFilter(QString &filter)
 
 void SearchFrame::keyPressEvent(QKeyEvent *event)
 {
-    if (wsApp->focusWidget() == sf_ui_->searchLineEdit) {
-        if (event->modifiers() == Qt::NoModifier) {
-            if (event->key() == Qt::Key_Escape) {
-                on_cancelButton_clicked();
-            } else if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) {
-                on_findButton_clicked();
-            }
+    if (event->modifiers() == Qt::NoModifier) {
+        if (event->key() == Qt::Key_Escape) {
+            on_cancelButton_clicked();
+        } else if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) {
+            on_findButton_clicked();
         }
-        return; // searchLineEdit didn't want it and we don't either.
     }
+
+    AccordionFrame::keyPressEvent(event);
 }
 
 bool SearchFrame::regexCompile()