allow to configure if double/middle click shall open/close stuff in tabbar

BUG: 426982

kate/kateconfigdialog.cpp

@@ -156,6 +156,18 @@ void KateConfigDialog::addBehaviorPage()
     connect(m_expandTabs, &QCheckBox::toggled, this, &KateConfigDialog::slotChanged);
     vbox->addWidget(m_expandTabs);
 
+    m_tabDoubleClickNewDocument = new QCheckBox(i18n("&Double click opens a new document"), buttonGroup);
+    m_tabDoubleClickNewDocument->setChecked(cgGeneral.readEntry("Tab Double Click New Document", true));
+    m_tabDoubleClickNewDocument->setToolTip(i18n("When checked double click opens a new document."));
+    connect(m_tabDoubleClickNewDocument, &QCheckBox::toggled, this, &KateConfigDialog::slotChanged);
+    vbox->addWidget(m_tabDoubleClickNewDocument);
+
+    m_tabMiddleClickCloseDocument = new QCheckBox(i18n("&Middle click closes a document"), buttonGroup);
+    m_tabMiddleClickCloseDocument->setChecked(cgGeneral.readEntry("Tab Middle Click Close Document", true));
+    m_tabMiddleClickCloseDocument->setToolTip(i18n("When checked middle click closes a document."));
+    connect(m_tabMiddleClickCloseDocument, &QCheckBox::toggled, this, &KateConfigDialog::slotChanged);
+    vbox->addWidget(m_tabMiddleClickCloseDocument);
+
     layout->addWidget(buttonGroup);
 
     layout->addStretch(1); // :-] works correct without autoadd
@@ -360,6 +372,9 @@ void KateConfigDialog::slotApply()
 
         cg.writeEntry("Expand Tabs", m_expandTabs->isChecked());
 
+        cg.writeEntry("Tab Double Click New Document", m_tabDoubleClickNewDocument->isChecked());
+        cg.writeEntry("Tab Middle Click Close Document", m_tabMiddleClickCloseDocument->isChecked());
+
         // patch document modified warn state
         const QList<KTextEditor::Document *> &docs = KateApp::self()->documentManager()->documentList();
         for (KTextEditor::Document *doc : docs)

kate/kateconfigdialog.h

@@ -84,6 +84,8 @@ private:
     QSpinBox *m_tabLimit;
     QCheckBox *m_showTabCloseButton;
     QCheckBox *m_expandTabs;
+    QCheckBox *m_tabDoubleClickNewDocument;
+    QCheckBox *m_tabMiddleClickCloseDocument;
 
     Ui::SessionConfigWidget sessionConfigUi;
 

kate/katetabbar.cpp

@@ -78,6 +78,10 @@ void KateTabBar::readConfig()
     // handle tab close button and expansion
     setExpanding(cgGeneral.readEntry("Expand Tabs", true));
     setTabsClosable(cgGeneral.readEntry("Show Tabs Close Button", true));
+
+    // get mouse click rules
+    m_doubleClickNewDocument = cgGeneral.readEntry("Tab Double Click New Document", true);
+    m_middleClickCloseDocument = cgGeneral.readEntry("Tab Middle Click Close Document", true);
 }
 
 void KateTabBar::setActive(bool active)
@@ -122,7 +126,10 @@ QVariant KateTabBar::ensureValidTabData(int idx)
 void KateTabBar::mouseDoubleClickEvent(QMouseEvent *event)
 {
     event->accept();
-    emit newTabRequested();
+
+    if (m_doubleClickNewDocument) {
+        emit newTabRequested();
+    }
 }
 
 void KateTabBar::mousePressEvent(QMouseEvent *event)
@@ -133,7 +140,7 @@ void KateTabBar::mousePressEvent(QMouseEvent *event)
     QTabBar::mousePressEvent(event);
 
     // handle close for middle mouse button
-    if (event->button() == Qt::MiddleButton) {
+    if (m_middleClickCloseDocument && event->button() == Qt::MiddleButton) {
         int id = tabAt(event->pos());
         if (id >= 0) {
             emit tabCloseRequested(id);

kate/katetabbar.h

@@ -141,6 +141,16 @@ private:
      */
     quint64 m_lruCounter = 0;
 
+    /**
+     * should a double click create a new document?
+     */
+    bool m_doubleClickNewDocument = false;
+
+    /*
+     * should a middle click close a document?
+     */
+    bool m_middleClickCloseDocument = false;
+
     /**
      * LRU counter storage, to determine which document has which age
      * simple 64-bit counter, worst thing that can happen on 64-bit wraparound