Major rework of DnD.

[ardour.git] / gtk2_ardour / editor_drag.h

diff --git a/gtk2_ardour/editor_drag.h b/gtk2_ardour/editor_drag.h
index 2f4c2f2e0d3009481c37bafaaac54cccfce18d04..ae4191909ea9f03056bdad52e7082b9529cfcd1f 100644 (file)
--- a/gtk2_ardour/editor_drag.h
+++ b/gtk2_ardour/editor_drag.h
@@ -27,7 +27,9 @@
 
 #include "ardour/types.h"
 
+#include "cursor_context.h"
 #include "editor_items.h"
+#include "mouse_cursors.h"
 
 namespace ARDOUR {
        class Location;
@@ -57,8 +59,8 @@ public:
 
        void abort ();
        void add (Drag *);
-       void set (Drag *, GdkEvent *, Gdk::Cursor* c = 0);
-       void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
+       void set (Drag *, GdkEvent *, Gdk::Cursor* c = MouseCursors::invalid_cursor());
+       void start_grab (GdkEvent *, Gdk::Cursor* c = MouseCursors::invalid_cursor());
        bool end_grab (GdkEvent *);
        bool have_item (ArdourCanvas::Item *) const;
 
@@ -154,7 +156,7 @@ public:
         *  @return true if this drag should happen in this mouse mode.
         */
        virtual bool active (Editing::MouseMode m) {
-               return (m != Editing::MouseGain);
+               return true;
        }
 
        /** @return minimum number of frames (in x) and pixels (in y) that should be considered a movement */
@@ -176,6 +178,10 @@ public:
                return true;
        }
 
+       bool initially_vertical() const {
+               return _initially_vertical;
+       }
+       
        /** Set up the _pointer_frame_offset */
        virtual void setup_pointer_frame_offset () {
                _pointer_frame_offset = 0;
@@ -232,6 +238,8 @@ protected:
 private:
        bool _trackview_only; ///< true if pointer y value should always be relative to the top of the trackview group
        bool _move_threshold_passed; ///< true if the move threshold has been passed, otherwise false
+       bool _starting_point_passed; ///< true if we called move () with first_move flag, otherwise false
+       bool _initially_vertical; ///< true if after move threshold is passed we appear to be moving vertically; undefined before that
         bool _was_double_click; ///< true if drag initiated by a double click event
        double _grab_x; ///< trackview x of the grab start position
        double _grab_y; ///< y of the grab start position, possibly adjusted if _trackview_only is true
@@ -240,6 +248,7 @@ private:
        ARDOUR::framepos_t _raw_grab_frame; ///< unsnapped frame that the mouse was at when start_grab was called, or 0
        ARDOUR::framepos_t _grab_frame; ///< adjusted_frame that the mouse was at when start_grab was called, or 0
        ARDOUR::framepos_t _last_pointer_frame; ///< adjusted_frame the last time a motion occurred
+       CursorContext::Handle _cursor_ctx; ///< cursor change context
 };
 
 class RegionDrag;
@@ -283,6 +292,7 @@ protected:
        /** a list of the non-hidden TimeAxisViews sorted by editor order key */
        std::vector<TimeAxisView*> _time_axis_views;
        int find_time_axis_view (TimeAxisView *) const;
+       int apply_track_delta (const int start, const int delta, const int skip) const;
 
        int _visible_y_low;
        int _visible_y_high;
@@ -317,13 +327,14 @@ public:
 protected:
 
        double compute_x_delta (GdkEvent const *, ARDOUR::framepos_t *);
-       virtual bool y_movement_allowed (int, double) const;
+       virtual bool y_movement_allowed (int, double, int skip_invisible = 0) const;
 
        bool _brushing;
        ARDOUR::framepos_t _last_frame_position; ///< last position of the thing being dragged
        double _total_x_delta;
        int _last_pointer_time_axis_view;
        double _last_pointer_layer;
+       bool _single_axis;
 };
 
 
@@ -426,7 +437,7 @@ public:
        void finished (GdkEvent *, bool);
        void aborted (bool);
 protected:
-       bool y_movement_allowed (int delta_track, double delta_layer) const;
+       bool y_movement_allowed (int delta_track, double delta_layer, int skip_invisible = 0) const;
 
 private:
        TimeAxisView *prev_tav;         // where regions were most recently dragged from
@@ -523,6 +534,14 @@ public:
        void finished (GdkEvent *, bool);
        void aborted (bool);
 
+       bool active (Editing::MouseMode mode) {
+               return mode == Editing::MouseDraw;
+       }
+
+       bool y_movement_matters () const {
+               return false;
+       }
+
 private:
        double y_to_region (double) const;
        framecnt_t grid_frames (framepos_t) const;
@@ -689,10 +708,6 @@ public:
        void finished (GdkEvent *, bool);
        void aborted (bool);
 
-       bool active (Editing::MouseMode) {
-               return true;
-       }
-
        bool allow_vertical_autoscroll () const {
                return false;
        }
@@ -820,10 +835,6 @@ public:
        void finished (GdkEvent *, bool);
        void aborted (bool);
 
-       bool active (Editing::MouseMode) {
-               return true;
-       }
-
 private:
 
        AutomationLine* _line;
@@ -843,10 +854,6 @@ public:
        void finished (GdkEvent *, bool);
        void aborted (bool);
 
-       bool active (Editing::MouseMode) {
-               return true;
-       }
-
 private:
 
        ArdourCanvas::Line* _line;
@@ -995,7 +1002,8 @@ public:
        };
 
        RangeMarkerBarDrag (Editor *, ArdourCanvas::Item *, Operation);
-
+       ~RangeMarkerBarDrag ();
+       
        void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
        void motion (GdkEvent *, bool);
        void finished (GdkEvent *, bool);
@@ -1043,7 +1051,7 @@ class AutomationRangeDrag : public Drag
 {
 public:
        AutomationRangeDrag (Editor *, AutomationTimeAxisView *, std::list<ARDOUR::AudioRange> const &);
-       AutomationRangeDrag (Editor *, AudioRegionView *, std::list<ARDOUR::AudioRange> const &);
+       AutomationRangeDrag (Editor *, RegionView *, std::list<ARDOUR::AudioRange> const &);
 
        void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
        void motion (GdkEvent *, bool);
@@ -1054,13 +1062,10 @@ public:
                return false;
        }
 
-       bool active (Editing::MouseMode) {
-               return true;
-       }
-
 private:
        void setup (std::list<boost::shared_ptr<AutomationLine> > const &);
-        double y_fraction (boost::shared_ptr<AutomationLine>, double global_y_position) const;
+       double y_fraction (boost::shared_ptr<AutomationLine>, double global_y_position) const;
+       double value (boost::shared_ptr<ARDOUR::AutomationList> list, double x) const;
 
        std::list<ARDOUR::AudioRange> _ranges;
 
@@ -1074,8 +1079,9 @@ private:
        };
 
        std::list<Line> _lines;
-        double y_origin;
-       bool _nothing_to_drag;
+       double          _y_origin;
+       bool            _nothing_to_drag;
+       bool            _integral;
 };
 
 /** Drag of one edge of an xfade