added new icons to tracks

app/widget/timelinewidget/trackview/trackviewitem.cpp

@@ -28,6 +28,7 @@
 #include <QtMath>
 
 #include "core.h"
+#include "ui/icons/icons.h"
 #include "widget/menu/menu.h"
 #include "widget/timelinewidget/undo/timelineundogeneral.h"
 
@@ -56,15 +57,21 @@ TrackViewItem::TrackViewItem(Track* track, QWidget *parent) :
   connect(line_edit_, &FocusableLineEdit::Cancelled, this, &TrackViewItem::LineEditCancelled);
   stack_->addWidget(line_edit_);
 
-  mute_button_ = CreateMSLButton(tr("M"), Qt::red);
+  mute_button_ = CreateMSLButton(Qt::red);
+  mute_button_->setChecked(track->IsMuted());
+  UpdateMuteButton(track->IsMuted());
   connect(mute_button_, &QPushButton::toggled, track_, &Track::SetMuted);
+  connect(mute_button_, &QPushButton::toggled, this, &TrackViewItem::UpdateMuteButton);
   layout->addWidget(mute_button_);
 
   /*solo_button_ = CreateMSLButton(tr("S"), Qt::yellow);
   layout->addWidget(solo_button_);*/
 
-  lock_button_ = CreateMSLButton(tr("L"), Qt::gray);
+  lock_button_ = CreateMSLButton(Qt::gray);
+  lock_button_->setCheckable(track->IsLocked());
+  UpdateLockButton(track->IsLocked());
   connect(lock_button_, &QPushButton::toggled, track_, &Track::SetLocked);
+  connect(lock_button_, &QPushButton::toggled, this, &TrackViewItem::UpdateLockButton);
   layout->addWidget(lock_button_);
 
   setMinimumHeight(mute_button_->height());
@@ -74,9 +81,9 @@ TrackViewItem::TrackViewItem(Track* track, QWidget *parent) :
   connect(this, &QWidget::customContextMenuRequested, this, &TrackViewItem::ShowContextMenu);
 }
 
-QPushButton *TrackViewItem::CreateMSLButton(const QString& text, const QColor& checked_color) const
+QPushButton *TrackViewItem::CreateMSLButton(const QColor& checked_color) const
 {
-  QPushButton* button = new QPushButton(text);
+  QPushButton* button = new QPushButton();
   button->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding);
   button->setCheckable(true);
   button->setStyleSheet(QStringLiteral("QPushButton::checked { background: %1; }").arg(checked_color.name()));
@@ -169,4 +176,14 @@ void TrackViewItem::DeleteAllEmptyTracks()
   }
 }
 
+void TrackViewItem::UpdateMuteButton(bool e)
+{
+  mute_button_->setIcon(e ? icon::EyeClosed : icon::EyeOpened);
+}
+
+void TrackViewItem::UpdateLockButton(bool e)
+{
+  lock_button_->setIcon(e ? icon::LockClosed : icon::LockOpened);
+}
+
 }

app/widget/timelinewidget/trackview/trackviewitem.h

@@ -39,7 +39,7 @@ public:
                 QWidget* parent = nullptr);
 
 private:
-  QPushButton* CreateMSLButton(const QString &text, const QColor &checked_color) const;
+  QPushButton* CreateMSLButton(const QColor &checked_color) const;
 
   QStackedWidget* stack_;
 
@@ -67,6 +67,10 @@ private slots:
 
   void DeleteAllEmptyTracks();
 
+  void UpdateMuteButton(bool e);
+
+  void UpdateLockButton(bool e);
+
 };
 
 }