mpvpart: add ability to change playtime widget mode

Can currenly be toggled between current and remaining time display.

Signed-off-by: Mavridis Philippe <mavridisf@gmail.com>

kaffeine/src/player-parts/libmpv-part/libmpv_part.cpp

@@ -67,7 +67,8 @@ MpvPart::MpvPart(TQWidget* parentWidget, const char* widgetName, TQObject* paren
       m_recordFilePath(),
       m_context(nullptr),
       m_error(nullptr),
-      m_criticalError(nullptr)
+      m_criticalError(nullptr),
+      m_playtimeMode(CurrentTime)
 {
     // Create an instance of this class
     setInstance(MpvPartFactory::instance());
@@ -162,10 +163,12 @@ void MpvPart::initActions()
     posAction->setAutoSized(true);
 
     m_playtime = new TQPushButton(0);
+    TQToolTip::add(m_playtime, i18n("Press to change playtime display mode."));
     TQFontMetrics met(TDEGlobalSettings::generalFont());
-    m_playtime->setFixedWidth(met.width("-88:88:88") + 6);
+    m_playtime->setFixedWidth(met.width("  -88:88:88  "));
     m_playtime->setSizePolicy(TQSizePolicy (TQSizePolicy::Fixed, TQSizePolicy::Fixed));
     m_playtime->setFocusPolicy(TQ_NoFocus);
+    connect(m_playtime, SIGNAL(pressed()), this, SLOT(slotTogglePlaytimeMode()));
     new KWidgetAction(m_playtime, i18n("Playtime"), 0, 0, 0, actionCollection(), "player_playtime");
 
     /*** Volume toolbar ***/
@@ -201,13 +204,43 @@ void MpvPart::slotViewLog() {
     logViewer->exec();
 }
 
+void MpvPart::slotTogglePlaytimeMode() {
+    ++m_playtimeMode;
+    if (m_playtimeMode == PLAYTIME_MODE_LAST) {
+        m_playtimeMode = CurrentTime;
+    }
+    updatePlaytime(m_time);
+}
+
+void MpvPart::updatePlaytime(TQTime time) {
+    TQString label;
+    switch (m_playtimeMode) {
+        case CurrentTime: {
+            label = time.toString();
+            break;
+        }
+
+        case RemainingTime: {
+            TQTime duration = m_mrl.length();
+            int h = duration.hour() - time.hour();
+            int m = duration.minute() - time.minute();
+            int s = duration.second() - time.second();
+            label = TQString("-%1:%2:%3").arg(TQString::number(h).rightJustify(2, '0'),
+                                              TQString::number(m).rightJustify(2, '0'),
+                                              TQString::number(s).rightJustify(2, '0'));
+            break;
+        }
+    }
+    m_playtime->setText(label);
+}
+
 // Custom events dispatched from mpv event thread are handled here
 void MpvPart::customEvent(TQCustomEvent *event) {
     if (event->type() == MPVPART_EVENT_PROPERTY_CHANGE) {
         MpvPropertyChangeEvent *pe = (MpvPropertyChangeEvent *)event;
         if (pe->property() == "time-pos" && pe->format() == MPV_FORMAT_DOUBLE) {
             m_time = pe->toTime();
-            m_playtime->setText(m_time.toString());
+            updatePlaytime(m_time);
         }
 
         else if (pe->property() == "percent-pos" && pe->format() == MPV_FORMAT_DOUBLE) {
@@ -218,10 +251,9 @@ void MpvPart::customEvent(TQCustomEvent *event) {
         }
 
         else if (pe->property() == "duration" && pe->format() == MPV_FORMAT_DOUBLE) {
-            MRL mrl = m_playlist[m_current];
             TQTime length = TQTime().addMSecs(pe->toDouble() * 1000);
             if (!length.isNull()) {
-                mrl.setLength(length);
+                m_mrl.setLength(length);
                 emit signalNewMeta(m_mrl);
             }
         }

kaffeine/src/player-parts/libmpv-part/libmpv_part.h

@@ -79,6 +79,12 @@ class MpvPart : public KaffeinePart
         void showError(TQString text, TQString caption);
         void showDetailedError(TQString text, TQString details, TQString caption);
 
+        enum PlaytimeMode {
+            CurrentTime,
+            RemainingTime,
+            PLAYTIME_MODE_LAST
+        };
+
     public slots:
         /*
          * Reimplement from KaffeinePart
@@ -109,6 +115,8 @@ class MpvPart : public KaffeinePart
 
         void slotViewLog();
 
+        void slotTogglePlaytimeMode();
+
     signals:
         void mpvEvents();
 
@@ -132,6 +140,7 @@ class MpvPart : public KaffeinePart
         void resetTime();
         void customEvent(TQCustomEvent *event);
         void updateRecordFileLabel();
+        void updatePlaytime(TQTime time);
         void logEvent(struct MpvEventData eventData);
 
     private:
@@ -148,6 +157,7 @@ class MpvPart : public KaffeinePart
         TQValueList<struct MpvEventData> m_eventLog;
         KDialogBase *m_error;
         KDialogBase *m_criticalError;
+        int m_playtimeMode;
 
         TQValueList<MRL> m_playlist;
         uint m_current;