some ui improvements

debian/control

@@ -8,6 +8,6 @@ Homepage: https://olivevideoeditor.org/
 
 Package: olive-editor
 Architecture: any
-Depends: ${misc:Depends}, ${shlibs:Depends}, libqt5multimedia5-plugins, frei0r-plugins
+Depends: ${misc:Depends}, ${shlibs:Depends}, libqt5multimedia5-plugins
 Description: Nonlinear video editor focused on performance and simplicity
 

ui/keyframenavigator.cpp

@@ -39,7 +39,11 @@ KeyframeNavigator::KeyframeNavigator(QWidget *parent, bool addLeftPad) : QWidget
     key_controls->addStretch();
   }
 
+  QSizePolicy button_size_policy;
+  button_size_policy.setRetainSizeWhenHidden(true);
+
   left_key_nav = new QPushButton(this);
+  left_key_nav->setSizePolicy(button_size_policy);
   left_key_nav->setIcon(olive::icon::LeftArrow);
   left_key_nav->setIconSize(left_key_nav->iconSize()*0.5);
   left_key_nav->setVisible(false);
@@ -48,6 +52,7 @@ KeyframeNavigator::KeyframeNavigator(QWidget *parent, bool addLeftPad) : QWidget
   connect(left_key_nav, SIGNAL(clicked(bool)), this, SIGNAL(clicked()));
 
   key_addremove = new QPushButton(this);
+  key_addremove->setSizePolicy(button_size_policy);
   key_addremove->setIcon(olive::icon::Diamond);
   key_addremove->setIconSize(key_addremove->iconSize()*0.5);
   key_addremove->setVisible(false);
@@ -56,6 +61,7 @@ KeyframeNavigator::KeyframeNavigator(QWidget *parent, bool addLeftPad) : QWidget
   connect(key_addremove, SIGNAL(clicked(bool)), this, SIGNAL(clicked()));
 
   right_key_nav = new QPushButton(this);
+  right_key_nav->setSizePolicy(button_size_policy);
   right_key_nav->setIcon(olive::icon::RightArrow);
   right_key_nav->setIconSize(right_key_nav->iconSize()*0.5);
   right_key_nav->setVisible(false);

ui/sourceiconview.cpp

@@ -98,7 +98,7 @@ SourceIconDelegate::SourceIconDelegate(QObject *parent) :
 {
 }
 
-QSize SourceIconDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
+QSize SourceIconDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &) const
 {
   if (option.decorationPosition == QStyleOptionViewItem::Top) { // Icon Mode
 

ui/timelineheader.cpp

@@ -468,6 +468,10 @@ void TimelineHeader::paintEvent(QPaintEvent*) {
     path.lineTo(in_x+PLAYHEAD_SIZE+1, yoff);
     path.lineTo(start);
     p.fillPath(path, Qt::red);
+
+    // Draw white line at the top for clarity
+    p.setPen(Qt::gray);
+    p.drawLine(0, 0, width(), 0);
   }
 }