Improve default Qt widget icons

* Include new icons for toolbar overflow to ensure they are tinted correctly and fit in with the rest of the UI.
* Replace custom code for clearing line edits by including a proper icon for the default action.

17 files changed, 44 insertions, 192 deletions

diff --git a/COPYING b/COPYING
index 174848e46..aa11b14fa 100644
--- a/COPYING
+++ b/COPYING
@@ -140,7 +140,9 @@ Files: share/icons/badges/2_Expired.svg
 Copyright: 2020 KeePassXC Team <team@keepassxc.org>
 License: MIT
 
-Files: share/icons/application/scalable/actions/document-close.svg
+Files: share/icons/application/scalable/actions/chevron-double-down.svg
+       share/icons/application/scalable/actions/chevron-double-right.svg
+       share/icons/application/scalable/actions/document-close.svg
        share/icons/application/scalable/actions/document-edit.svg
        share/icons/application/scalable/actions/document-export.svg
        share/icons/application/scalable/actions/document-import.svg
diff --git a/share/icons/application/scalable/actions/chevron-double-down.svg b/share/icons/application/scalable/actions/chevron-double-down.svg
new file mode 100644
index 000000000..edcf11814
--- /dev/null
+++ b/share/icons/application/scalable/actions/chevron-double-down.svg
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="24" height="24" viewBox="0 0 24 24"><path d="M16.59,5.59L18,7L12,13L6,7L7.41,5.59L12,10.17L16.59,5.59M16.59,11.59L18,13L12,19L6,13L7.41,11.59L12,16.17L16.59,11.59Z" /></svg>
\ No newline at end of file
diff --git a/share/icons/application/scalable/actions/chevron-double-right.svg b/share/icons/application/scalable/actions/chevron-double-right.svg
new file mode 100644
index 000000000..3f2a06b4f
--- /dev/null
+++ b/share/icons/application/scalable/actions/chevron-double-right.svg
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="24" height="24" viewBox="0 0 24 24"><path d="M5.59,7.41L7,6L13,12L7,18L5.59,16.59L10.17,12L5.59,7.41M11.59,7.41L13,6L19,12L13,18L11.59,16.59L16.17,12L11.59,7.41Z" /></svg>
\ No newline at end of file
diff --git a/share/icons/icons.qrc b/share/icons/icons.qrc
index cb11f9068..cf73b4958 100644
--- a/share/icons/icons.qrc
+++ b/share/icons/icons.qrc
@@ -8,6 +8,8 @@
         <file>application/scalable/actions/application-exit.svg</file>
         <file>application/scalable/actions/auto-type.svg</file>
         <file>application/scalable/actions/bugreport.svg</file>
+        <file>application/scalable/actions/chevron-double-down.svg</file>
+        <file>application/scalable/actions/chevron-double-right.svg</file>
         <file>application/scalable/actions/chronometer.svg</file>
         <file>application/scalable/actions/clipboard-text.svg</file>
         <file>application/scalable/actions/configure.svg</file>
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2f8c3b156..0ceccdd9a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -120,7 +120,6 @@ set(keepassx_SOURCES
         gui/IconModels.cpp
         gui/KeePass1OpenWidget.cpp
         gui/KMessageWidget.cpp
-        gui/LineEdit.cpp
         gui/MainWindow.cpp
         gui/MessageBox.cpp
         gui/MessageWidget.cpp
diff --git a/src/gui/DatabaseOpenWidget.cpp b/src/gui/DatabaseOpenWidget.cpp
index 4dbe9dc9d..b48f86365 100644
--- a/src/gui/DatabaseOpenWidget.cpp
+++ b/src/gui/DatabaseOpenWidget.cpp
@@ -76,12 +76,6 @@ DatabaseOpenWidget::DatabaseOpenWidget(QWidget* parent)
     m_ui->keyFileLabelHelp->setIcon(resources()->icon("system-help").pixmap(QSize(12, 12)));
     connect(m_ui->keyFileLabelHelp, SIGNAL(clicked(bool)), SLOT(openKeyFileHelp()));
 
-    connect(m_ui->keyFileLineEdit, SIGNAL(textChanged(QString)), SLOT(keyFileTextChanged()));
-    m_ui->keyFileLineEdit->addAction(m_ui->keyFileClearIcon, QLineEdit::TrailingPosition);
-    m_ui->keyFileClearIcon->setIcon(resources()->icon("edit-clear-locationbar-rtl"));
-    m_ui->keyFileClearIcon->setVisible(false);
-    connect(m_ui->keyFileClearIcon, SIGNAL(triggered(bool)), SLOT(clearKeyFileText()));
-
 #ifdef WITH_XC_YUBIKEY
     m_ui->hardwareKeyProgress->setVisible(false);
     QSizePolicy sp = m_ui->hardwareKeyProgress->sizePolicy();
@@ -145,8 +139,6 @@ void DatabaseOpenWidget::load(const QString& filename)
     m_filename = filename;
     m_ui->fileNameLabel->setRawText(m_filename);
 
-    m_ui->keyFileClearIcon->setVisible(false);
-
     if (config()->get(Config::RememberLastKeyFiles).toBool()) {
         auto lastKeyFiles = config()->get(Config::LastKeyFiles).toHash();
         if (lastKeyFiles.contains(m_filename)) {
@@ -388,11 +380,6 @@ void DatabaseOpenWidget::clearKeyFileText()
     m_ui->keyFileLineEdit->clear();
 }
 
-void DatabaseOpenWidget::keyFileTextChanged()
-{
-    m_ui->keyFileClearIcon->setVisible(!m_ui->keyFileLineEdit->text().isEmpty());
-}
-
 void DatabaseOpenWidget::pollHardwareKey()
 {
     if (m_pollingHardwareKey) {
diff --git a/src/gui/DatabaseOpenWidget.h b/src/gui/DatabaseOpenWidget.h
index 6d2b688ca..fffdf8a7a 100644
--- a/src/gui/DatabaseOpenWidget.h
+++ b/src/gui/DatabaseOpenWidget.h
@@ -66,7 +66,6 @@ protected slots:
 private slots:
     void browseKeyFile();
     void clearKeyFileText();
-    void keyFileTextChanged();
     void pollHardwareKey();
     void hardwareKeyResponse(bool found);
     void openHardwareKeyHelp();
diff --git a/src/gui/DatabaseOpenWidget.ui b/src/gui/DatabaseOpenWidget.ui
index a7510baba..eef4a2ed2 100644
--- a/src/gui/DatabaseOpenWidget.ui
+++ b/src/gui/DatabaseOpenWidget.ui
@@ -416,6 +416,9 @@
                       <property name="accessibleName">
                        <string>Key file to unlock the database</string>
                       </property>
+                      <property name="clearButtonEnabled">
+                       <bool>true</bool>
+                      </property>
                      </widget>
                     </item>
                    </layout>
@@ -575,17 +578,15 @@
     </spacer>
    </item>
   </layout>
-  <action name="keyFileClearIcon">
-   <property name="text">
-    <string>Clear</string>
-   </property>
-   <property name="toolTip">
-    <string>Clear Key File</string>
-   </property>
-  </action>
  </widget>
  <customwidgets>
   <customwidget>
+   <class>PasswordEdit</class>
+   <extends>QLineEdit</extends>
+   <header>gui/PasswordEdit.h</header>
+   <container>1</container>
+  </customwidget>
+  <customwidget>
    <class>MessageWidget</class>
    <extends>QWidget</extends>
    <header>gui/MessageWidget.h</header>
@@ -596,11 +597,6 @@
    <extends>QLabel</extends>
    <header>gui/widgets/ElidedLabel.h</header>
   </customwidget>
-  <customwidget>
-   <class>PasswordEdit</class>
-   <extends>QLineEdit</extends>
-   <header>gui/PasswordEdit.h</header>
-  </customwidget>
  </customwidgets>
  <tabstops>
   <tabstop>editPassword</tabstop>
diff --git a/src/gui/LineEdit.cpp b/src/gui/LineEdit.cpp
deleted file mode 100644
index ec5cb7f9c..000000000
--- a/src/gui/LineEdit.cpp
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- *  Copyright (C) 2007 Trolltech ASA <info@trolltech.com>
- *  Copyright (C) 2012 Felix Geyer <debfx@fobos.de>
- *  Copyright (C) 2012 Florian Geyer <blueice@fobos.de>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 2 or (at your option)
- *  version 3 of the License.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "LineEdit.h"
-
-#include <QStyle>
-#include <QToolButton>
-
-#include "core/Resources.h"
-
-LineEdit::LineEdit(QWidget* parent)
-    : QLineEdit(parent)
-    , m_clearButton(new QToolButton(this))
-{
-    m_clearButton->setObjectName("clearButton");
-
-    QString iconNameDirected =
-        QString("edit-clear-locationbar-").append((layoutDirection() == Qt::LeftToRight) ? "rtl" : "ltr");
-
-    const auto icon = resources()->icon(iconNameDirected);
-
-    m_clearButton->setIcon(icon);
-    m_clearButton->setCursor(Qt::ArrowCursor);
-    m_clearButton->setStyleSheet("QToolButton { border: none; padding: 0px; }");
-    m_clearButton->hide();
-    connect(m_clearButton, SIGNAL(clicked()), this, SLOT(clear()));
-    connect(this, SIGNAL(textChanged(QString)), this, SLOT(updateCloseButton(QString)));
-    int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
-    setStyleSheet(
-        QString("QLineEdit { padding-right: %1px; } ").arg(m_clearButton->sizeHint().width() + frameWidth + 1));
-    QSize msz = minimumSizeHint();
-    setMinimumSize(qMax(msz.width(), m_clearButton->sizeHint().height() + frameWidth * 2 + 2),
-                   qMax(msz.height(), m_clearButton->sizeHint().height() + frameWidth * 2 + 2));
-}
-
-void LineEdit::resizeEvent(QResizeEvent* event)
-{
-    QSize sz = m_clearButton->sizeHint();
-    int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
-    int y = (rect().bottom() + 1 - sz.height()) / 2;
-
-    if (layoutDirection() == Qt::LeftToRight) {
-        m_clearButton->move(rect().right() - frameWidth - sz.width(), y);
-    } else {
-        m_clearButton->move(rect().left() + frameWidth, y);
-    }
-
-    QLineEdit::resizeEvent(event);
-}
-
-void LineEdit::updateCloseButton(const QString& text)
-{
-    m_clearButton->setVisible(!text.isEmpty());
-}
diff --git a/src/gui/LineEdit.h b/src/gui/LineEdit.h
deleted file mode 100644
index 1695e8551..000000000
--- a/src/gui/LineEdit.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- *  Copyright (C) 2007 Trolltech ASA <info@trolltech.com>
- *  Copyright (C) 2012 Felix Geyer <debfx@fobos.de>
- *  Copyright (C) 2012 Florian Geyer <blueice@fobos.de>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 2 or (at your option)
- *  version 3 of the License.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef KEEPASSX_LINEEDIT_H
-#define KEEPASSX_LINEEDIT_H
-
-#include <QLineEdit>
-
-class QToolButton;
-
-class LineEdit : public QLineEdit
-{
-    Q_OBJECT
-
-public:
-    explicit LineEdit(QWidget* parent = nullptr);
-
-protected:
-    void resizeEvent(QResizeEvent* event) override;
-
-private slots:
-    void updateCloseButton(const QString& text);
-
-private:
-    QToolButton* const m_clearButton;
-};
-
-#endif // KEEPASSX_LINEEDIT_H
diff --git a/src/gui/PasswordGeneratorWidget.cpp b/src/gui/PasswordGeneratorWidget.cpp
index 07dda651b..2dc643df2 100644
--- a/src/gui/PasswordGeneratorWidget.cpp
+++ b/src/gui/PasswordGeneratorWidget.cpp
@@ -45,14 +45,6 @@ PasswordGeneratorWidget::PasswordGeneratorWidget(QWidget* parent)
     m_ui->buttonCopy->setIcon(resources()->icon("clipboard-text"));
     m_ui->buttonClose->setShortcut(Qt::Key_Escape);
 
-    m_ui->clearInclude->setIcon(resources()->icon("edit-clear-locationbar-rtl"));
-    m_ui->editAdditionalChars->addAction(m_ui->clearInclude, QLineEdit::TrailingPosition);
-    m_ui->clearInclude->setVisible(false);
-
-    m_ui->clearExclude->setIcon(resources()->icon("edit-clear-locationbar-rtl"));
-    m_ui->editExcludedChars->addAction(m_ui->clearExclude, QLineEdit::TrailingPosition);
-    m_ui->clearExclude->setVisible(false);
-
     connect(m_ui->editNewPassword, SIGNAL(textChanged(QString)), SLOT(updateButtonsEnabled(QString)));
     connect(m_ui->editNewPassword, SIGNAL(textChanged(QString)), SLOT(updatePasswordStrength(QString)));
     connect(m_ui->buttonAdvancedMode, SIGNAL(toggled(bool)), SLOT(setAdvancedMode(bool)));
@@ -63,8 +55,6 @@ PasswordGeneratorWidget::PasswordGeneratorWidget(QWidget* parent)
     connect(m_ui->buttonCopy, SIGNAL(clicked()), SLOT(copyPassword()));
     connect(m_ui->buttonGenerate, SIGNAL(clicked()), SLOT(regeneratePassword()));
     connect(m_ui->buttonClose, SIGNAL(clicked()), SIGNAL(closed()));
-    connect(m_ui->clearInclude, SIGNAL(triggered(bool)), m_ui->editAdditionalChars, SLOT(clear()));
-    connect(m_ui->clearExclude, SIGNAL(triggered(bool)), m_ui->editExcludedChars, SLOT(clear()));
 
     connect(m_ui->sliderLength, SIGNAL(valueChanged(int)), SLOT(passwordLengthChanged(int)));
     connect(m_ui->spinBoxLength, SIGNAL(valueChanged(int)), SLOT(passwordLengthChanged(int)));
@@ -530,9 +520,6 @@ void PasswordGeneratorWidget::updateGenerator()
         } else {
             m_ui->buttonGenerate->setEnabled(false);
         }
-
-        m_ui->clearInclude->setVisible(!m_ui->editAdditionalChars->text().isEmpty());
-        m_ui->clearExclude->setVisible(!m_ui->editExcludedChars->text().isEmpty());
     } else {
         m_dicewareGenerator->setWordCase(
             static_cast<PassphraseGenerator::PassphraseWordCase>(m_ui->wordCaseComboBox->currentData().toInt()));
diff --git a/src/gui/PasswordGeneratorWidget.ui b/src/gui/PasswordGeneratorWidget.ui
index 65018cbda..81964a517 100644
--- a/src/gui/PasswordGeneratorWidget.ui
+++ b/src/gui/PasswordGeneratorWidget.ui
@@ -608,6 +608,9 @@ QProgressBar::chunk {
                    <property name="accessibleName">
                     <string>Additional characters</string>
                    </property>
+                   <property name="clearButtonEnabled">
+                    <bool>true</bool>
+                   </property>
                   </widget>
                  </item>
                  <item row="1" column="2">
@@ -646,6 +649,9 @@ QProgressBar::chunk {
                    <property name="accessibleName">
                     <string>Excluded characters</string>
                    </property>
+                   <property name="clearButtonEnabled">
+                    <bool>true</bool>
+                   </property>
                   </widget>
                  </item>
                  <item row="0" column="0">
@@ -944,22 +950,6 @@ QProgressBar::chunk {
     </spacer>
    </item>
   </layout>
-  <action name="clearInclude">
-   <property name="text">
-    <string>Clear</string>
-   </property>
-   <property name="toolTip">
-    <string>Clear</string>
-   </property>
-  </action>
-  <action name="clearExclude">
-   <property name="text">
-    <string>Clear</string>
-   </property>
-   <property name="toolTip">
-    <string>Clear</string>
-   </property>
-  </action>
  </widget>
  <customwidgets>
   <customwidget>
diff --git a/src/gui/SearchWidget.cpp b/src/gui/SearchWidget.cpp
index 1c7b683c1..6ade47e2e 100644
--- a/src/gui/SearchWidget.cpp
+++ b/src/gui/SearchWidget.cpp
@@ -45,7 +45,6 @@ SearchWidget::SearchWidget(QWidget* parent)
     m_clearSearchTimer->setSingleShot(true);
 
     connect(m_ui->searchEdit, SIGNAL(textChanged(QString)), SLOT(startSearchTimer()));
-    connect(m_ui->clearIcon, SIGNAL(triggered(bool)), m_ui->searchEdit, SLOT(clear()));
     connect(m_ui->helpIcon, SIGNAL(triggered()), SLOT(toggleHelp()));
     connect(m_ui->searchIcon, SIGNAL(triggered()), SLOT(showSearchMenu()));
     connect(m_searchTimer, SIGNAL(timeout()), SLOT(startSearch()));
@@ -75,10 +74,6 @@ SearchWidget::SearchWidget(QWidget* parent)
     m_ui->helpIcon->setIcon(resources()->icon("system-help"));
     m_ui->searchEdit->addAction(m_ui->helpIcon, QLineEdit::TrailingPosition);
 
-    m_ui->clearIcon->setIcon(resources()->icon("edit-clear-locationbar-rtl"));
-    m_ui->clearIcon->setVisible(false);
-    m_ui->searchEdit->addAction(m_ui->clearIcon, QLineEdit::TrailingPosition);
-
     // Fix initial visibility of actions (bug in Qt)
     for (QToolButton* toolButton : m_ui->searchEdit->findChildren<QToolButton*>()) {
         toolButton->setVisible(toolButton->defaultAction()->isVisible());
@@ -172,9 +167,6 @@ void SearchWidget::startSearch()
         m_searchTimer->stop();
     }
 
-    bool hasText = m_ui->searchEdit->text().length() > 0;
-    m_ui->clearIcon->setVisible(hasText);
-
     search(m_ui->searchEdit->text());
 }
 
diff --git a/src/gui/SearchWidget.ui b/src/gui/SearchWidget.ui
index 74cc468cf..c924b4076 100644
--- a/src/gui/SearchWidget.ui
+++ b/src/gui/SearchWidget.ui
@@ -41,7 +41,7 @@
       <string/>
      </property>
      <property name="clearButtonEnabled">
-      <bool>false</bool>
+      <bool>true</bool>
      </property>
     </widget>
    </item>
@@ -51,11 +51,6 @@
     <string>Search</string>
    </property>
   </action>
-  <action name="clearIcon">
-   <property name="text">
-    <string>Clear</string>
-   </property>
-  </action>
   <action name="helpIcon">
    <property name="text">
     <string>Search Help</string>
diff --git a/src/gui/styles/base/BaseStyle.cpp b/src/gui/styles/base/BaseStyle.cpp
index aac9daf1c..2c72f9bcc 100644
--- a/src/gui/styles/base/BaseStyle.cpp
+++ b/src/gui/styles/base/BaseStyle.cpp
@@ -54,6 +54,8 @@
 
 #include <cmath>
 
+#include "core/Resources.h"
+
 QT_BEGIN_NAMESPACE
 Q_GUI_EXPORT int qt_defaultDpiX();
 QT_END_NAMESPACE
@@ -3036,6 +3038,21 @@ QPalette BaseStyle::standardPalette() const
     return QCommonStyle::standardPalette();
 }
 
+QIcon BaseStyle::standardIcon(StandardPixmap sp, const QStyleOption* opt, const QWidget* widget) const
+{
+    switch (sp) {
+    case SP_ToolBarHorizontalExtensionButton:
+        return resources()->icon("chevron-double-down");
+    case SP_ToolBarVerticalExtensionButton:
+        return resources()->icon("chevron-double-right");
+    case SP_LineEditClearButton:
+        return resources()->icon(
+            QString("edit-clear-locationbar-").append((opt->direction == Qt::LeftToRight) ? "rtl" : "ltr"));
+    default:
+        return QCommonStyle::standardIcon(sp, opt, widget);
+    }
+}
+
 void BaseStyle::drawComplexControl(ComplexControl control,
                                    const QStyleOptionComplex* option,
                                    QPainter* painter,
diff --git a/src/gui/styles/base/BaseStyle.h b/src/gui/styles/base/BaseStyle.h
index d6269fad7..86d81b44b 100644
--- a/src/gui/styles/base/BaseStyle.h
+++ b/src/gui/styles/base/BaseStyle.h
@@ -42,6 +42,8 @@ public:
     };
 
     QPalette standardPalette() const override;
+    QIcon
+    standardIcon(StandardPixmap sp, const QStyleOption* opt = nullptr, const QWidget* widget = nullptr) const override;
     void drawPrimitive(PrimitiveElement elem,
                        const QStyleOption* option,
                        QPainter* painter,
diff --git a/tests/gui/TestGui.cpp b/tests/gui/TestGui.cpp
index d323744b6..060a29520 100644
--- a/tests/gui/TestGui.cpp
+++ b/tests/gui/TestGui.cpp
@@ -855,8 +855,7 @@ void TestGui::testSearch()
     auto* entryView = m_dbWidget->findChild<EntryView*>("entryView");
     QVERIFY(entryView->isVisible());
 
-    auto* clearButton = searchWidget->findChild<QAction*>("clearIcon");
-    QVERIFY(!clearButton->isVisible());
+    QVERIFY(searchTextEdit->isClearButtonEnabled());
 
     auto* helpButton = searchWidget->findChild<QAction*>("helpIcon");
     auto* helpPanel = searchWidget->findChild<QWidget*>("SearchHelpWidget");
@@ -866,7 +865,6 @@ void TestGui::testSearch()
     // Enter search
     QTest::mouseClick(searchTextEdit, Qt::LeftButton);
     QTRY_VERIFY(searchTextEdit->hasFocus());
-    QTRY_VERIFY(!clearButton->isVisible());
     // Show/Hide search help
     helpButton->trigger();
     QTRY_VERIFY(helpPanel->isVisible());
@@ -877,14 +875,12 @@ void TestGui::testSearch()
     // Search for "ZZZ"
     QTest::keyClicks(searchTextEdit, "ZZZ");
     QTRY_COMPARE(searchTextEdit->text(), QString("ZZZ"));
-    QTRY_VERIFY(clearButton->isVisible());
     QTRY_VERIFY(m_dbWidget->isSearchActive());
     QTRY_COMPARE(entryView->model()->rowCount(), 0);
     // Press the search clear button
-    clearButton->trigger();
+    searchTextEdit->clear();
     QTRY_VERIFY(searchTextEdit->text().isEmpty());
     QTRY_VERIFY(searchTextEdit->hasFocus());
-    QTRY_VERIFY(!clearButton->isVisible());
     // Escape clears searchedit and retains focus
     QTest::keyClicks(searchTextEdit, "ZZZ");
     QTest::keyClick(searchTextEdit, Qt::Key_Escape);