tentative redesign of MIDI looping, will probably fix #5050 but needs more extensive...

[ardour.git] / libs / ardour / ardour / region.h

diff --git a/libs/ardour/ardour/region.h b/libs/ardour/ardour/region.h
index c698d2fdc2de9adf1caf5511c493a812b035bd96..bc8e7383f289a53659caf152771916c81634f359 100644 (file)
--- a/libs/ardour/ardour/region.h
+++ b/libs/ardour/ardour/region.h
@@ -141,6 +141,23 @@ class Region
        framepos_t first_frame () const { return _position; }
        framepos_t last_frame ()  const { return _position + _length - 1; }
 
+       /** Return the earliest possible value of _position given the
+        *  value of _start within the region's sources
+        */
+       framepos_t earliest_possible_position () const;
+       /** Return the last possible value of _last_frame given the
+        *  value of _startin the regions's sources
+        */
+       framepos_t latest_possible_frame () const;
+
+       Evoral::Range<framepos_t> last_range () const {
+               return Evoral::Range<framepos_t> (_last_position, _last_position + _last_length - 1);
+       }
+       
+       Evoral::Range<framepos_t> range () const {
+               return Evoral::Range<framepos_t> (first_frame(), last_frame());
+       }
+
        bool hidden ()           const { return _hidden; }
        bool muted ()            const { return _muted; }
        bool opaque ()           const { return _opaque; }
@@ -150,7 +167,7 @@ class Region
        bool automatic ()        const { return _automatic; }
        bool whole_file ()       const { return _whole_file; }
        bool captured ()         const { return !(_import || _external); }
-       bool can_move ()         const { return !_position_locked; }
+       bool can_move ()         const { return !_position_locked && !_locked; }
        bool sync_marked ()      const { return _sync_marked; }
        bool external ()         const { return _external; }
        bool import ()           const { return _import; }
@@ -168,8 +185,14 @@ class Region
                return first_frame() <= frame && frame <= last_frame();
        }
 
-       OverlapType coverage (framepos_t start, framepos_t end) const {
-               return ARDOUR::coverage (first_frame(), last_frame(), start, end);
+       /** @return coverage of this region with the given range;
+        *  OverlapInternal: the range is internal to this region.
+        *  OverlapStart:    the range overlaps the start of this region.
+        *  OverlapEnd:      the range overlaps the end of this region.
+        *  OverlapExternal: the range overlaps all of this region.
+        */
+       Evoral::OverlapType coverage (framepos_t start, framepos_t end) const {
+               return Evoral::coverage (first_frame(), last_frame(), start, end);
        }
 
        bool equivalent (boost::shared_ptr<const Region>) const;
@@ -177,6 +200,7 @@ class Region
        bool overlap_equivalent (boost::shared_ptr<const Region>) const;
        bool region_list_equivalent (boost::shared_ptr<const Region>) const;
        bool source_equivalent (boost::shared_ptr<const Region>) const;
+       bool any_source_equivalent (boost::shared_ptr<const Region>) const;
        bool uses_source (boost::shared_ptr<const Source>) const;
 
        std::string source_string () const;
@@ -325,6 +349,7 @@ class Region
        void post_set (const PBD::PropertyChange&);
        virtual void set_position_internal (framepos_t pos, bool allow_bbt_recompute);
        virtual void set_length_internal (framecnt_t);
+       virtual void set_start_internal (framecnt_t);
        
        DataType _type;