Merge pull request #11 from uklotzde/new-signals-slots-syntax-library

Merge master + fix include directives

build/depends.py

@@ -975,6 +975,7 @@ def sources(self, build):
                    "src/database/schemamanager.cpp",
 
                    "src/library/trackcollection.cpp",
+                   "src/library/externaltrackcollection.cpp",
                    "src/library/basesqltablemodel.cpp",
                    "src/library/basetrackcache.cpp",
                    "src/library/columncache.cpp",

default.nix

@@ -1,4 +1,7 @@
-{ nixroot  ? (import <nixpkgs> {}) }:
+{ nixroot  ? (import <nixpkgs> {})
+, defaultLv2Plugins ? false
+, lv2Plugins ? []
+}:
 let inherit (nixroot) stdenv pkgs lib
     chromaprint fftw flac libid3tag libmad libopus libshout libsndfile lilv 
     libusb1 libvorbis libebur128 pkgconfig portaudio portmidi protobuf qt5 glib
@@ -42,14 +45,19 @@ let inherit (nixroot) stdenv pkgs lib
 
   shell-run = nixroot.writeShellScriptBin "run" ''
       BUILDDIR=$(ls -1 -d -t lin64_build lin_build | head -1)
-      $BUILDDIR/mixxx --settingsPath ./devsettings/ --resourcePath ./res "$@"
+      /usr/bin/env LV2_PATH=${lib.makeSearchPathOutput "lib" "lib/lv2" allLv2Plugins}:$LV2_PATH $BUILDDIR/mixxx --settingsPath ./devsettings/ --resourcePath ./res "$@"
   '';
 
   shell-debug = nixroot.writeShellScriptBin "debug" ''
       BUILDDIR=$(ls -1 -d -t lin64_build lin_build | head -1)
       gdb --args $BUILDDIR/mixxx --settingsPath ./devsettings/ --resourcePath ./res "$@"
   '';
 
+  allLv2Plugins = lv2Plugins ++ (if defaultLv2Plugins then [
+    nixroot.x42-plugins nixroot.zam-plugins nixroot.rkrlv2 nixroot.mod-distortion
+    nixroot.infamousPlugins nixroot.artyFX
+  ] else []);
+
 in stdenv.mkDerivation rec {
   name = "mixxx-${version}";
   # reading the version from git output is very hard to do without wasting lots of diskspace and runtime
@@ -83,7 +91,7 @@ in stdenv.mkDerivation rec {
     libusb1 libvorbis libebur128 pkgconfig portaudio portmidi protobuf qt5.full
     rubberband scons sqlite taglib soundtouch vamp.vampSDK opusfile upower hidapi
     ccache git glib x11 libGLU lilv lame lv2 makeWrapper qt5.qtbase
-  ];
+  ] ++ allLv2Plugins;
 
   sconsFlags = [
     "build=debug"
@@ -102,7 +110,7 @@ in stdenv.mkDerivation rec {
   installPhase = ''
     runHook preInstall
     scons $sconsFlags "prefix=$out" install
-    wrapProgram $out/bin/mixxx --suffix QT_PLUGIN_PATH : ${qt5.qtbase}/${qt5.qtbase.qtPluginPrefix} --set QTDIR ${qt5.full}
+    wrapProgram $out/bin/mixxx --suffix QT_PLUGIN_PATH : ${qt5.qtbase}/${qt5.qtbase.qtPluginPrefix} --set QTDIR ${qt5.full} --prefix LV2_PATH : ${lib.makeSearchPath "lib/lv2" allLv2Plugins}
     runHook postInstall
   '';
 

res/controllers/midi-components-0.0.js

@@ -533,6 +533,34 @@
                 }
             }
         },
+        forEachComponentContainer: function (operation, recursive) {
+            if (typeof operation !== 'function') {
+                print('ERROR: ComponentContainer.forEachComponentContainer requires a function argument');
+                return;
+            }
+            if (recursive === undefined) { recursive = true; }
+
+            var that = this;
+            var applyOperationTo = function (obj) {
+                if (obj instanceof ComponentContainer) {
+                    operation.call(that, obj);
+
+                    if (recursive) {
+                        obj.forEachComponentContainer(operation);
+                    }
+                } else if (Array.isArray(obj)) {
+                    obj.forEach(function (element) {
+                        applyOperationTo(element);
+                    });
+                }
+            };
+
+            for (var memberName in this) {
+                if (this.hasOwnProperty(memberName)) {
+                    applyOperationTo(this[memberName]);
+                }
+            }
+        },
         reconnectComponents: function (operation, recursive) {
             this.forEachComponent(function (component) {
                 component.disconnect();
@@ -545,6 +573,7 @@
         },
         isShifted: false,
         shift: function () {
+            // Shift direct child Components
             this.forEachComponent(function (component) {
                 // Controls for push type Buttons depend on getting reset to 0 when the
                 // Button is released for correct behavior. If there is a skin button
@@ -568,11 +597,18 @@
                     }
                     component.shift();
                 }
-                // Set isShifted for child ComponentContainers forEachComponent is iterating through recursively
-                this.isShifted = true;
-            });
+            }, false);
+
+            // Shift child ComponentContainers
+            this.forEachComponentContainer(function (container) {
+                container.shift();
+            }, false);
+
+            // Set isShifted for each ComponentContainer recursively
+            this.isShifted = true;
         },
         unshift: function () {
+            // Unshift direct child Components
             this.forEachComponent(function (component) {
                 // Refer to comment in ComponentContainer.shift() above for explanation
                 if (typeof component.unshift === 'function') {
@@ -588,9 +624,15 @@
                     }
                     component.unshift();
                 }
-                // Set isShifted for child ComponentContainers forEachComponent is iterating through recursively
-                this.isShifted = false;
-            });
+            }, false);
+
+            // Unshift child ComponentContainers
+            this.forEachComponentContainer(function (container) {
+                container.unshift();
+            }, false);
+
+            // Unset isShifted for each ComponentContainer recursively
+            this.isShifted = false;
         },
         applyLayer: function (newLayer, reconnectComponents) {
             if (reconnectComponents !== false) {

src/engine/controls/loopingcontrol.cpp

@@ -53,7 +53,7 @@ LoopingControl::LoopingControl(QString group,
     m_loopSamples.setValue(m_oldLoopSamples);
     m_currentSample.setValue(0.0);
     m_pActiveBeatLoop = NULL;
-
+    m_pRateControl = NULL;
     //Create loop-in, loop-out, loop-exit, and reloop/exit ControlObjects
     m_pLoopInButton = new ControlPushButton(ConfigKey(group, "loop_in"));
     connect(m_pLoopInButton, &ControlObject::valueChanged,
@@ -682,6 +682,10 @@ void LoopingControl::setLoopOutToCurrentPosition() {
     m_loopSamples.setValue(loopSamples);
 }
 
+void LoopingControl::setRateControl(RateControl* rateControl) {
+    m_pRateControl = rateControl;
+}
+
 void LoopingControl::slotLoopOut(double pressed) {
     if (m_pTrack == nullptr) {
         return;
@@ -1060,16 +1064,19 @@ void LoopingControl::slotBeatLoop(double beats, bool keepStartPoint, bool enable
             newloopSamples.start = currentSample;
         }
     } else {
-        // loop_in is set to the previous beat if quantize is on.  The
-        // closest beat might be ahead of play position which would cause a seek.
-        // TODO: If in reverse, should probably choose nextBeat.
+        // loop_in is set to the closest beat if quantize is on and the loop size is >= 1 beat.
+        // The closest beat might be ahead of play position and will cause a catching loop.
         double prevBeat;
         double nextBeat;
         pBeats->findPrevNextBeats(currentSample, &prevBeat, &nextBeat);
 
         if (m_pQuantizeEnabled->toBool() && prevBeat != -1) {
+            double beatLength = nextBeat - prevBeat;
+            double loopLength = beatLength * beats;
+
+            double closestBeat = pBeats->findClosestBeat(currentSample);
             if (beats >= 1.0) {
-                newloopSamples.start = prevBeat;
+                newloopSamples.start = closestBeat;
             } else {
                 // In case of beat length less then 1 beat:
                 // (| - beats, ^ - current track's position):
@@ -1078,15 +1085,29 @@ void LoopingControl::slotBeatLoop(double beats, bool keepStartPoint, bool enable
                 //
                 // If we press 1/2 beatloop we want loop from 50% to 100%,
                 // If I press 1/4 beatloop, we want loop from 50% to 75% etc
-                double beat_len = nextBeat - prevBeat;
-                double loops_per_beat = 1.0 / beats;
-                double beat_pos = currentSample - prevBeat;
-                int beat_frac =
-                        static_cast<int>(floor((beat_pos / beat_len) *
-                                                loops_per_beat));
-                newloopSamples.start = prevBeat + beat_len / loops_per_beat * beat_frac;
+                double samplesSinceLastBeat = currentSample - prevBeat;
+
+                // find the previous beat fraction and check if the current position is closer to this or the next one
+                // place the new loop start to the closer one
+                double previousFractionBeat = prevBeat + floor(samplesSinceLastBeat / loopLength) * loopLength;
+                double samplesSinceLastFractionBeat = currentSample - previousFractionBeat;
+
+                if (samplesSinceLastFractionBeat <= (loopLength / 2.0)) {
+                    newloopSamples.start = previousFractionBeat;
+                } else {
+                    newloopSamples.start = previousFractionBeat + loopLength;
+                }
             }
 
+            // If running reverse, move the loop one loop size to the left.
+            // Thus, the loops end will be closest to the current position
+            bool reverse = false;
+            if (m_pRateControl != NULL) {
+                reverse = m_pRateControl->isReverseButtonPressed();
+            }
+            if (reverse) {
+                newloopSamples.start -= loopLength;
+            }
         } else {
             newloopSamples.start = currentSample;
         }

src/engine/controls/loopingcontrol.h

@@ -8,11 +8,12 @@
 #include <QObject>
 #include <QStack>
 
-#include "preferences/usersettings.h"
+#include "control/controlvalue.h"
 #include "engine/controls/enginecontrol.h"
-#include "track/track.h"
+#include "engine/controls/ratecontrol.h"
+#include "preferences/usersettings.h"
 #include "track/beats.h"
-#include "control/controlvalue.h"
+#include "track/track.h"
 
 #define MINIMUM_AUDIBLE_LOOP_SIZE   300  // In samples
 
@@ -50,7 +51,7 @@ class LoopingControl : public EngineControl {
     double getSyncPositionInsideLoop(double dRequestedPlaypos, double dSyncedPlayPos);
 
     void notifySeek(double dNewPlaypos) override;
-
+    void setRateControl(RateControl* rateControl);
     bool isLoopingEnabled();
 
   public slots:
@@ -129,6 +130,7 @@ class LoopingControl : public EngineControl {
     ControlPushButton* m_pLoopHalveButton;
     ControlPushButton* m_pLoopDoubleButton;
     ControlObject* m_pSlipEnabled;
+    RateControl* m_pRateControl;
     ControlObject* m_pPlayButton;
 
     bool m_bLoopingEnabled;

src/engine/controls/ratecontrol.cpp

@@ -556,3 +556,10 @@ void RateControl::resetRateTemp(void)
 void RateControl::notifySeek(double playPos) {
     m_pScratchController->notifySeek(playPos);
 }
+
+bool RateControl::isReverseButtonPressed() {
+    if (m_pReverseButton) {
+        return m_pReverseButton->toBool();
+    }
+    return false;
+}

src/engine/controls/ratecontrol.h

@@ -78,6 +78,7 @@ class RateControl : public EngineControl {
     static void setRateRampSensitivity(int);
     static int getRateRampSensitivity();
     void notifySeek(double dNewPlaypos) override;
+    bool isReverseButtonPressed();
 
   public slots:
     void slotReverseRollActivate(double);

src/engine/enginebuffer.cpp

@@ -180,14 +180,13 @@ EngineBuffer::EngineBuffer(const QString& group, UserSettingsPointer pConfig,
     // quantization (alignment) of loop in/out positions and (hot)cues with
     // beats.
     QuantizeControl* quantize_control = new QuantizeControl(group, pConfig);
+    addControl(quantize_control);
+    m_pQuantize = ControlObject::getControl(ConfigKey(group, "quantize"));
 
     // Create the Loop Controller
     m_pLoopingControl = new LoopingControl(group, pConfig);
     addControl(m_pLoopingControl);
 
-    addControl(quantize_control);
-    m_pQuantize = ControlObject::getControl(ConfigKey(group, "quantize"));
-
     m_pEngineSync = pMixingEngine->getEngineSync();
 
     m_pSyncControl = new SyncControl(group, pConfig, pChannel, m_pEngineSync);
@@ -198,9 +197,12 @@ EngineBuffer::EngineBuffer(const QString& group, UserSettingsPointer pConfig,
     addControl(m_pVinylControlControl);
 #endif
 
+    // Create the Rate Controller
     m_pRateControl = new RateControl(group, pConfig);
     // Add the Rate Controller
     addControl(m_pRateControl);
+    // Looping Control needs Rate Control for Reverse Button
+    m_pLoopingControl->setRateControl(m_pRateControl);
 
     // Create the BPM Controller
     m_pBpmControl = new BpmControl(group, pConfig);
@@ -532,6 +534,10 @@ TrackPointer EngineBuffer::getLoadedTrack() const {
     return m_pCurrentTrack;
 }
 
+bool EngineBuffer::isReverse() {
+    return m_reverse_old;
+}
+
 void EngineBuffer::ejectTrack() {
     // clear track values in any case, this may fix Bug #1450424
     //qDebug() << "EngineBuffer::ejectTrack()";

src/engine/enginebuffer.h

@@ -146,6 +146,8 @@ class EngineBuffer : public EngineObject {
     bool getQueuedSeekPosition(double* pSeekPosition);
     TrackPointer getLoadedTrack() const;
 
+    bool isReverse();
+
     double getExactPlayPos();
     double getVisualPlayPos();
     double getTrackSamples();

src/library/basesqltablemodel.cpp

@@ -2,7 +2,6 @@
 
 #include <QtDebug>
 #include <QUrl>
-#include <QTableView>
 
 #include "library/basesqltablemodel.h"
 
@@ -21,6 +20,7 @@
 #include "util/duration.h"
 #include "util/assert.h"
 #include "util/performancetimer.h"
+#include "widget/wlibrarytableview.h"
 
 static const bool sDebug = false;
 
@@ -1113,7 +1113,7 @@ QMimeData* BaseSqlTableModel::mimeData(const QModelIndexList &indexes) const {
 }
 
 QAbstractItemDelegate* BaseSqlTableModel::delegateForColumn(const int i, QObject* pParent) {
-    WLibraryTableView* pTableView = qobject_cast<WLibraryTableView*>(pParent);
+    auto* pTableView = qobject_cast<WLibraryTableView*>(pParent);
     DEBUG_ASSERT(pTableView);
 
     if (i == fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_RATING)) {

src/library/coverartdelegate.cpp

@@ -1,11 +1,15 @@
-#include <QTableView>
 #include <QPainter>
 
 #include "library/coverartdelegate.h"
 #include "library/coverartcache.h"
 #include "library/dao/trackschema.h"
+#include "library/trackmodel.h"
+
+#include "widget/wlibrarytableview.h"
+
 #include "util/math.h"
 
+
 CoverArtDelegate::CoverArtDelegate(WLibraryTableView* parent)
         : TableItemDelegate(parent),
           m_pTableView(parent),
@@ -25,16 +29,15 @@ CoverArtDelegate::CoverArtDelegate(WLibraryTableView* parent)
 
     CoverArtCache* pCache = CoverArtCache::instance();
     if (pCache) {
-        connect(pCache, SIGNAL(coverFound(const QObject*, const CoverInfoRelative&,
-                                          QPixmap, bool)),
-                this, SLOT(slotCoverFound(const QObject*, const CoverInfoRelative&,
-                                          QPixmap, bool)));
+        connect(pCache,
+                &CoverArtCache::coverFound,
+                this,
+                &CoverArtDelegate::slotCoverFound);
     }
 
-    TrackModel* pTrackModel = NULL;
-    QTableView* pTableView = NULL;
-    if (QTableView *tableView = qobject_cast<QTableView*>(parent)) {
-        pTableView = tableView;
+    TrackModel* pTrackModel = nullptr;
+    QTableView* pTableView = qobject_cast<QTableView*>(parent);
+    if (pTableView) {
         pTrackModel = dynamic_cast<TrackModel*>(pTableView->model());
     }
 
@@ -56,9 +59,6 @@ CoverArtDelegate::CoverArtDelegate(WLibraryTableView* parent)
     }
 }
 
-CoverArtDelegate::~CoverArtDelegate() {
-}
-
 void CoverArtDelegate::slotOnlyCachedCoverArt(bool b) {
     m_bOnlyCachedCover = b;