Add track move commands to controls library. Sending key event to lib…

…rary widget. Co-authored-by: ronso0 <[email protected]>
mixxxdj · Jun 18, 2024 · e1d6fcc · e1d6fcc
1 parent c6a1993
commit e1d6fcc
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Showing 2 changed files with 72 additions and 6 deletions.
diff --git a/src/library/librarycontrol.cpp b/src/library/librarycontrol.cpp
@@ -167,6 +167,30 @@ LibraryControl::LibraryControl(Library* pLibrary)
                 &LibraryControl::slotMoveFocus);
     }
 
+    // Controls to move tracks on playlist
+    // Track move controls (emulate Alt+up/down button press)
+    m_pMoveTrackUp = std::make_unique<ControlPushButton>(ConfigKey("[Library]", "MoveTrackUp"));
+    m_pMoveTrackDown = std::make_unique<ControlPushButton>(
+            ConfigKey("[Library]", "MoveTrackDown"));
+    m_pMoveTrack = std::make_unique<ControlEncoder>(ConfigKey("[Library]", "MoveTrack"), false);
+#ifdef MIXXX_USE_QML
+    if (!CmdlineArgs::Instance().isQml())
+#endif
+    {
+        connect(m_pMoveTrackUp.get(),
+                &ControlPushButton::valueChanged,
+                this,
+                &LibraryControl::slotMoveTrackUp);
+        connect(m_pMoveTrackDown.get(),
+                &ControlPushButton::valueChanged,
+                this,
+                &LibraryControl::slotMoveTrackDown);
+        connect(m_pMoveTrack.get(),
+                &ControlEncoder::valueChanged,
+                this,
+                &LibraryControl::slotMoveTrack);
+    }
+
     // Direct focus control, read/write
     m_pFocusedWidgetCO = std::make_unique<ControlPushButton>(
             ConfigKey("[Library]", "focused_widget"));
@@ -219,7 +243,7 @@ LibraryControl::LibraryControl(Library* pLibrary)
     }
 
     // Auto DJ controls
-    m_pAutoDjAddTop = std::make_unique<ControlPushButton>(ConfigKey("[Library]","AutoDjAddTop"));
+    m_pAutoDjAddTop = std::make_unique<ControlPushButton>(ConfigKey("[Library]", "AutoDjAddTop"));
     m_pAutoDjAddTop->addAlias(ConfigKey(
             QStringLiteral("[Playlist]"), QStringLiteral("AutoDjAddTop")));
 #ifdef MIXXX_USE_QML
@@ -232,7 +256,8 @@ LibraryControl::LibraryControl(Library* pLibrary)
                 &LibraryControl::slotAutoDjAddTop);
     }
 
-    m_pAutoDjAddBottom = std::make_unique<ControlPushButton>(ConfigKey("[Library]","AutoDjAddBottom"));
+    m_pAutoDjAddBottom = std::make_unique<ControlPushButton>(
+            ConfigKey("[Library]", "AutoDjAddBottom"));
     m_pAutoDjAddBottom->addAlias(ConfigKey(
             QStringLiteral("[Playlist]"), QStringLiteral("AutoDjAddBottom")));
 #ifdef MIXXX_USE_QML
@@ -419,7 +444,8 @@ LibraryControl::LibraryControl(Library* pLibrary)
             &LibraryControl::slotSelectPrevTrack);
 
     // Ignoring no-ops is important since this is for +/- tickers.
-    m_pSelectTrack = std::make_unique<ControlObject>(ConfigKey("[Playlist]","SelectTrackKnob"), false);
+    m_pSelectTrack = std::make_unique<ControlObject>(
+            ConfigKey("[Playlist]", "SelectTrackKnob"), false);
     connect(m_pSelectTrack.get(),
             &ControlObject::valueChanged,
             this,
@@ -450,7 +476,8 @@ LibraryControl::LibraryControl(Library* pLibrary)
             this,
             &LibraryControl::slotToggleSelectedSidebarItem);
 
-    m_pLoadSelectedIntoFirstStopped = std::make_unique<ControlPushButton>(ConfigKey("[Playlist]","LoadSelectedIntoFirstStopped"));
+    m_pLoadSelectedIntoFirstStopped = std::make_unique<ControlPushButton>(
+            ConfigKey("[Playlist]", "LoadSelectedIntoFirstStopped"));
     connect(m_pLoadSelectedIntoFirstStopped.get(),
             &ControlPushButton::valueChanged,
             this,
@@ -734,7 +761,7 @@ void LibraryControl::slotScrollDown(double v) {
 }
 
 void LibraryControl::slotScrollVertical(double v) {
-    const auto key = (v < 0) ? Qt::Key_PageUp: Qt::Key_PageDown;
+    const auto key = (v < 0) ? Qt::Key_PageUp : Qt::Key_PageDown;
     const auto times = static_cast<unsigned short>(std::abs(v));
     emitKeyEvent(QKeyEvent{QEvent::KeyPress, key, Qt::NoModifier, QString(), false, times});
 }
@@ -752,7 +779,7 @@ void LibraryControl::slotMoveRight(double v) {
 }
 
 void LibraryControl::slotMoveHorizontal(double v) {
-    const auto key = (v < 0) ? Qt::Key_Left: Qt::Key_Right;
+    const auto key = (v < 0) ? Qt::Key_Left : Qt::Key_Right;
     const auto times = static_cast<unsigned short>(std::abs(v));
     emitKeyEvent(QKeyEvent{QEvent::KeyPress, key, Qt::NoModifier, QString(), false, times});
 }
@@ -781,6 +808,37 @@ void LibraryControl::slotMoveFocus(double v) {
             QEvent::KeyPress, key, Qt::NoModifier, QString(), false, times});
 }
 
+void LibraryControl::slotMoveTrackUp(double v) {
+    if (v > 0) {
+        slotMoveTrack(-1);
+    }
+}
+
+void LibraryControl::slotMoveTrackDown(double v) {
+    if (v > 0) {
+        slotMoveTrack(1);
+    }
+}
+
+/// Move a selected track up or down a playlist by emulating Alt + Up/Down keypresses
+void LibraryControl::slotMoveTrack(double v) {
+    if (!m_pLibraryWidget) {
+        return;
+    }
+
+    auto* pTrackTableview = m_pLibraryWidget->getCurrentTrackTableView();
+    if (!pTrackTableview) {
+        // no track table view is currently visible
+        return;
+    }
+
+    const auto key = (v < 0) ? Qt::Key_Up : Qt::Key_Down;
+    const auto times = static_cast<unsigned short>(std::abs(v));
+    QKeyEvent pEvent = QKeyEvent{
+            QEvent::KeyPress, key, Qt::AltModifier, QString(), false, times};
+    QApplication::sendEvent(pTrackTableview, &pEvent);
+}
+
 void LibraryControl::emitKeyEvent(QKeyEvent&& event) {
     if (!QApplication::focusWindow()) {
         qInfo() << "No Mixxx window, popup or menu has focus."

diff --git a/src/library/librarycontrol.h b/src/library/librarycontrol.h
@@ -79,6 +79,9 @@ class LibraryControl : public QObject {
     void slotMoveFocusForward(double);
     void slotMoveFocusBackward(double);
     void slotMoveFocus(double);
+    void slotMoveTrackUp(double);
+    void slotMoveTrackDown(double);
+    void slotMoveTrack(double);
     void slotGoToItem(double v);
 
     void slotTrackColorPrev(double v);
@@ -140,6 +143,11 @@ class LibraryControl : public QObject {
     std::unique_ptr<ControlPushButton> m_pRefocusPrevWidgetCO;
     FocusWidget m_prevFocusedWidget;
 
+    // Controls to move tracks (alt+up/down buttons)
+    std::unique_ptr<ControlPushButton> m_pMoveTrackUp;
+    std::unique_ptr<ControlPushButton> m_pMoveTrackDown;
+    std::unique_ptr<ControlEncoder> m_pMoveTrack;
+
     // Control to choose the currently selected item in focused widget (double click)
     std::unique_ptr<ControlObject> m_pGoToItem;