[ApplicationWindow] Add extended mouse events for go back

nemomobile-ux · Oct 11, 2023 · d1656db · d1656db
1 parent 657f96b
commit d1656db
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Showing 2 changed files with 83 additions and 6 deletions.
diff --git a/src/controls/nemowindow.cpp b/src/controls/nemowindow.cpp
@@ -23,11 +23,19 @@
 
 NemoWindow::NemoWindow(QWindow* parent)
     : QQuickWindow(parent)
+    , m_filter(new EditFilter())
+    , m_screen(screen())
+    , m_mousePressed(false)
+    , m_mouseEventTriggered(false)
+    , m_firstPoint(QPointF())
 {
-    m_filter = new EditFilter();
-    this->installEventFilter(m_filter);
+    if (qEnvironmentVariableIsSet("NEMO_DISABLE_EXTENDED_EVENTS")) {
+        m_allowExtendedEvents = false;
+    } else {
+        m_allowExtendedEvents = true;
+    }
 
-    m_screen = this->screen();
+    installEventFilter(m_filter);
     connect(m_screen, &QScreen::orientationChanged, this, &NemoWindow::orientationChanged);
 }
 
@@ -37,14 +45,68 @@ Qt::ScreenOrientation NemoWindow::primaryOrientation() const
     return m_screen->primaryOrientation();
 }
 
-void NemoWindow::keyPressEvent(QKeyEvent *event)
+void NemoWindow::keyPressEvent(QKeyEvent* event)
 {
     switch (event->key()) {
     case Qt::Key_Escape:
     case Qt::Key_Return:
     case Qt::Key_Backspace:
     case Qt::Key_Left:
-        emit goBack();
+        if (allowExtendedEvents()) {
+            emit goBack();
+        }
         break;
     }
 }
+
+void NemoWindow::mousePressEvent(QMouseEvent*)
+{
+    m_mousePressed = true;
+}
+
+void NemoWindow::mouseReleaseEvent(QMouseEvent*)
+{
+    m_mousePressed = false;
+    m_firstPoint = QPointF();
+    if (m_mouseEventTriggered && allowExtendedEvents()) {
+        emit goBack();
+    }
+}
+
+void NemoWindow::mouseMoveEvent(QMouseEvent* event)
+{
+    if (m_mousePressed) {
+        if (m_firstPoint.isNull()) {
+            m_firstPoint = event->points().first().position();
+        }
+
+        if (event->points().first().position().x() - m_firstPoint.x() > width() / 4
+            && m_firstPoint.x() < width() / 4) {
+            m_mouseEventTriggered = true;
+        } else {
+            m_mouseEventTriggered = false;
+        }
+    }
+}
+
+bool NemoWindow::allowExtendedEvents() const
+{
+    if (qEnvironmentVariableIsSet("NEMO_DISABLE_EXTENDED_EVENTS")) {
+        return false;
+    }
+    return m_allowExtendedEvents;
+}
+
+void NemoWindow::setAllowExtendedEvents(bool newAllowExtendedEvents)
+{
+    if (qEnvironmentVariableIsSet("NEMO_DISABLE_EXTENDED_EVENTS") && newAllowExtendedEvents) {
+        qWarning() << "Extended events disabled in env";
+        return;
+    }
+
+    if (m_allowExtendedEvents == newAllowExtendedEvents) {
+        return;
+    }
+    m_allowExtendedEvents = newAllowExtendedEvents;
+    emit allowExtendedEventsChanged();
+}
diff --git a/src/controls/nemowindow.h b/src/controls/nemowindow.h
@@ -26,20 +26,35 @@
 
 class NemoWindow : public QQuickWindow {
     Q_OBJECT
+    Q_PROPERTY(bool allowExtendedEvents READ allowExtendedEvents WRITE setAllowExtendedEvents NOTIFY allowExtendedEventsChanged)
+
 public:
     explicit NemoWindow(QWindow* parent = 0);
     Qt::ScreenOrientation primaryOrientation() const;
 
+    bool allowExtendedEvents() const;
+    void setAllowExtendedEvents(bool newAllowExtendedEvents);
+
 protected:
-    void keyPressEvent(QKeyEvent *event) override;
+    void keyPressEvent(QKeyEvent* event) override;
+    void mousePressEvent(QMouseEvent*) override;
+    void mouseReleaseEvent(QMouseEvent*) override;
+    void mouseMoveEvent(QMouseEvent* event) override;
 
 signals:
     void orientationChanged(Qt::ScreenOrientation orientation);
     void goBack();
 
+    void allowExtendedEventsChanged();
+
 private:
     EditFilter* m_filter;
     QScreen* m_screen;
+
+    bool m_mousePressed;
+    bool m_mouseEventTriggered;
+    QPointF m_firstPoint;
+    bool m_allowExtendedEvents;
 };
 
 #endif // NEMOWINDOW_H