revised UI color system when showing nodes

Olive now has a set of colors that categories can be "assigned" to. The timeline also shares the same colors as the NodeView. Colors can be configured per node (aka per clip).

app/widget/menu/CMakeLists.txt

@@ -16,9 +16,9 @@
 
 set(OLIVE_SOURCES
   ${OLIVE_SOURCES}
-  widget/menu/menu.h
   widget/menu/menu.cpp
-  widget/menu/menushared.h
+  widget/menu/menu.h
   widget/menu/menushared.cpp
+  widget/menu/menushared.h
   PARENT_SCOPE
 )

app/widget/menu/menushared.cpp

@@ -86,9 +86,18 @@ MenuShared::MenuShared()
   view_timecode_view_milliseconds_item_->setCheckable(true);
   frame_view_mode_group_->addAction(view_timecode_view_milliseconds_item_);
 
+  // Color coding menu items
+  color_coding_menu_ = new ColorLabelMenu();
+  connect(color_coding_menu_, &ColorLabelMenu::ColorSelected, this, &MenuShared::ColorLabelTriggered);
+
   Retranslate();
 }
 
+MenuShared::~MenuShared()
+{
+  delete color_coding_menu_;
+}
+
 void MenuShared::CreateInstance()
 {
   instance_ = new MenuShared();
@@ -137,6 +146,11 @@ void MenuShared::AddItemsForInOutMenu(Menu *m)
   m->addAction(inout_clear_inout_item_);
 }
 
+void MenuShared::AddColorCodingMenu(Menu *m)
+{
+  m->addMenu(color_coding_menu_);
+}
+
 void MenuShared::AddItemsForClipEditMenu(Menu *m)
 {
   m->addAction(clip_add_default_transition_item_);
@@ -271,6 +285,11 @@ void MenuShared::TimecodeDisplayTriggered()
   Core::instance()->SetTimecodeDisplay(display);
 }
 
+void MenuShared::ColorLabelTriggered(int color_index)
+{
+  PanelManager::instance()->CurrentlyFocused()->SetColorLabel(color_index);
+}
+
 void MenuShared::Retranslate()
 {
   // "New" menu shared items

app/widget/menu/menushared.h

@@ -21,6 +21,7 @@
 #ifndef MENUSHARED_H
 #define MENUSHARED_H
 
+#include "widget/colorlabelmenu/colorlabelmenu.h"
 #include "widget/menu/menu.h"
 
 namespace olive {
@@ -32,6 +33,7 @@ class MenuShared : public QObject {
   Q_OBJECT
 public:
   MenuShared();
+  virtual ~MenuShared() override;
 
   static void CreateInstance();
   static void DestroyInstance();
@@ -41,6 +43,7 @@ public:
   void AddItemsForNewMenu(Menu* m);
   void AddItemsForEditMenu(Menu* m, bool for_clips);
   void AddItemsForInOutMenu(Menu* m);
+  void AddColorCodingMenu(Menu* m);
   void AddItemsForClipEditMenu(Menu* m);
   void AddItemsForTimeRulerMenu(Menu* m);
 
@@ -85,6 +88,9 @@ private:
   QAction* view_timecode_view_frames_item_;
   QAction* view_timecode_view_milliseconds_item_;
 
+  // Color coding menu items
+  ColorLabelMenu* color_coding_menu_;
+
   static MenuShared* instance_;
 
 private slots:
@@ -130,6 +136,8 @@ private slots:
    */
   void TimecodeDisplayTriggered();
 
+  void ColorLabelTriggered(int color_index);
+
 };
 
 }