From aee45d05095e4ceea5322ad332fea55ae897932a Mon Sep 17 00:00:00 2001
From: Mavridis Philippe <mavridisf@gmail.com>
Date: Wed, 24 May 2023 12:19:31 +0300
Subject: [PATCH] mpvpart: added volume controls

Signed-off-by: Mavridis Philippe <mavridisf@gmail.com>
---
 .../player-parts/libmpv-part/libmpv_part.cpp  | 31 +++++++++++++++++--
 .../player-parts/libmpv-part/libmpv_part.h    |  6 ++++
 .../player-parts/libmpv-part/libmpv_part.rc   |  8 +++--
 3 files changed, 40 insertions(+), 5 deletions(-)

diff --git a/kaffeine/src/player-parts/libmpv-part/libmpv_part.cpp b/kaffeine/src/player-parts/libmpv-part/libmpv_part.cpp
index a42b3c7..7f7406f 100644
--- a/kaffeine/src/player-parts/libmpv-part/libmpv_part.cpp
+++ b/kaffeine/src/player-parts/libmpv-part/libmpv_part.cpp
@@ -121,12 +121,14 @@ bool MpvPart::initMpv() {
 
 void MpvPart::initActions()
 {
+    /** Playback controls ***/
     new TDEAction(i18n("Play"),      "media-playback-start", 0,             this, SLOT(slotPlay()),        actionCollection(), "player_play");
     new TDEAction(i18n("Pause"),     "media-playback-pause", Key_Space,     this, SLOT(slotTogglePause()), actionCollection(), "player_pause");
     new TDEAction(i18n("Stop"),      "media-playback-stop",  Key_Backspace, this, SLOT(slotStop()),        actionCollection(), "player_stop");
     new TDEAction(i18n("&Previous"), "media-skip-backward",  Key_PageUp,    this, SLOT(slotPrevious()),    actionCollection(), "player_previous");
     new TDEAction(i18n("&Next"),     "media-skip-forward",   Key_PageDown,  this, SLOT(slotNext()),        actionCollection(), "player_next");
 
+    /*** Position toolbar ***/
     // Important: we have a max of 1000 instead of 100 for better precision; multiply/divide your percentages by 10
     m_position = new TQSlider(0, 1000, 10, 0, TQt::Horizontal, 0);
     TQToolTip::add(m_position, i18n("Position"));
@@ -146,6 +148,13 @@ void MpvPart::initActions()
     m_playtime->setFocusPolicy(TQ_NoFocus);
     new KWidgetAction(m_playtime, i18n("Playtime"), 0, 0, 0, actionCollection(), "player_playtime");
 
+    /*** Volume toolbar ***/
+    new TDEAction(i18n("&Mute"), "player_mute", Key_U, this, SLOT(slotMute()), actionCollection(), "player_mute");
+
+    m_volume = new TQSlider(0, 100, 10, 100, TQt::Horizontal, 0);
+    connect(m_volume, SIGNAL(sliderMoved(int)), this, SLOT(slotSetVolume(int)));
+    KWidgetAction *volAction = new KWidgetAction(m_volume, i18n("Volume"), 0, 0, 0, actionCollection(), "player_volume");
+
     resetTime();
 }
 
@@ -328,6 +337,16 @@ bool MpvPart::isPaused() {
     return (bool)result;
 }
 
+bool MpvPart::isMute() {
+    if (!m_mpv) return false;
+
+    int result;
+    if (mpv_get_property(m_mpv, "ao-mute", MPV_FORMAT_FLAG, &result) < 0) {
+        return false;
+    }
+    return (bool)result;
+}
+
 void MpvPart::resetTime() {
     m_playtime->setText("0:00:00");
     m_position->setValue(0);
@@ -349,15 +368,20 @@ void MpvPart::slotSetSeekingPos(int pos) {
 }
 
 uint MpvPart::volume() const {
-  return 0;
+    int64_t value = 0;
+    mpv_get_property(m_mpv, "ao-volume", MPV_FORMAT_INT64, &value);
+    return value;
 }
 
 uint MpvPart::position() const {
     return m_percent;
 }
 
-void MpvPart::slotSetVolume(uint) {
+void MpvPart::slotSetVolume(uint volume) {
+    if (!m_mpv) return;
 
+    int64_t value = (int64_t)volume;
+    mpv_set_property(m_mpv, "ao-volume", MPV_FORMAT_INT64, &value);
 }
 
 void MpvPart::slotSetPosition(uint position) {
@@ -395,7 +419,8 @@ void MpvPart::slotStop() {
 }
 
 void MpvPart::slotMute() {
-
+    int value = isMute() ? 0 : 1;
+    mpv_set_property(m_mpv, "ao-mute", MPV_FORMAT_FLAG, &value);
 }
 
 #include "libmpv_part.moc"
\ No newline at end of file
diff --git a/kaffeine/src/player-parts/libmpv-part/libmpv_part.h b/kaffeine/src/player-parts/libmpv-part/libmpv_part.h
index cb771f5..e81429f 100644
--- a/kaffeine/src/player-parts/libmpv-part/libmpv_part.h
+++ b/kaffeine/src/player-parts/libmpv-part/libmpv_part.h
@@ -62,6 +62,7 @@ class MpvPart : public KaffeinePart
         uint position() const; /* percent */
         bool isPlaying();
         bool isPaused();
+        bool isMute();
 
         bool closeURL();
         static TDEAboutData* createAboutData();
@@ -92,6 +93,10 @@ class MpvPart : public KaffeinePart
         void slotStopSeeking();
         void slotSetSeekingPos(int pos);
 
+        // Overloaded method with "int" argument
+        // Used in connection with m_volume::sliderMoved(int)
+        void slotSetVolume(int vol) { slotSetVolume(static_cast<uint>(vol)); }
+
     private:
         bool initMpv();
         void initActions();
@@ -102,6 +107,7 @@ class MpvPart : public KaffeinePart
         TQWidget *m_player;
         MpvEventThread *m_eventThread;
         TQSlider *m_position;
+        TQSlider *m_volume;
         TQPushButton *m_playtime;
 
         MRL m_mrl;
diff --git a/kaffeine/src/player-parts/libmpv-part/libmpv_part.rc b/kaffeine/src/player-parts/libmpv-part/libmpv_part.rc
index 21e765c..9373445 100644
--- a/kaffeine/src/player-parts/libmpv-part/libmpv_part.rc
+++ b/kaffeine/src/player-parts/libmpv-part/libmpv_part.rc
@@ -10,7 +10,7 @@
     <Action name="player_next"/>
   </Menu>
 </MenuBar>
-<ToolBar name="controls" position="Bottom"><text>Controls Toolbar</text>
+<ToolBar name="controls" position="Bottom"><text>Playback Controls Toolbar</text>
   <Action name="player_previous"/>
   <Action name="player_play"/>
   <Action name="player_pause"/>
@@ -22,5 +22,9 @@
   <Separator/>
   <Action name="player_playtime"/>
 </ToolBar>
-<StatusBar/>
+<ToolBar name="volume" fullWidth="false" position="Bottom"><text>Volume Controls Toolbar</text>
+  <Action name="player_mute"/>
+  <Action name="player_volume"/>
+  <Separator/>
+</ToolBar>
 </kpartgui>
\ No newline at end of file