delete canvas Flag object when deleting a PatchChange, and provide a canvas debug...
[ardour.git] / gtk2_ardour / editor_canvas_events.cc
index 778d116797d12588230c218d90cd3667fda76cfa..e94ffe2798102881a94330cb8182b9e826ad2ff9 100644 (file)
 
 #include "ardour/midi_region.h"
 #include "ardour/region_factory.h"
+#include "ardour/profile.h"
+
+#include "canvas/canvas.h"
+#include "canvas/text.h"
 
 #include "editor.h"
 #include "keyboard.h"
 #include "public_editor.h"
 #include "audio_region_view.h"
 #include "audio_streamview.h"
-#include "canvas-noevent-text.h"
 #include "audio_time_axis.h"
 #include "region_gain_line.h"
 #include "automation_line.h"
 #include "automation_time_axis.h"
 #include "automation_line.h"
 #include "control_point.h"
-#include "canvas_impl.h"
-#include "simplerect.h"
 #include "editor_drag.h"
 #include "midi_time_axis.h"
 #include "editor_regions.h"
@@ -62,23 +63,29 @@ Editor::track_canvas_scroll (GdkEventScroll* ev)
        framepos_t xdelta;
        int direction = ev->direction;
 
+       /* this event arrives without transformation by the canvas, so we have
+        * to transform the coordinates to be able to look things up.
+        */
+
+       Duple event_coords = _track_canvas->window_to_canvas (Duple (ev->x, ev->y));
+       
   retry:
        switch (direction) {
        case GDK_SCROLL_UP:
-               if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
+               if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomHorizontalModifier)) {
                        //for mouse-wheel zoom, force zoom-focus to mouse
                        Editing::ZoomFocus temp_focus = zoom_focus;
                        zoom_focus = Editing::ZoomFocusMouse;
                        temporal_zoom_step (false);
                        zoom_focus = temp_focus;
                        return true;
-               } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
+               } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollHorizontalModifier)) {
                        direction = GDK_SCROLL_LEFT;
                        goto retry;
-               } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
+               } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
                        if (!current_stepping_trackview) {
                                step_timeout = Glib::signal_timeout().connect (sigc::mem_fun(*this, &Editor::track_height_step_timeout), 500);
-                               std::pair<TimeAxisView*, int> const p = trackview_by_y_position (ev->y + vertical_adjustment.get_value() - canvas_timebars_vsize);
+                               std::pair<TimeAxisView*, int> const p = trackview_by_y_position (event_coords.y);
                                current_stepping_trackview = p.first;
                                if (!current_stepping_trackview) {
                                        return false;
@@ -94,20 +101,20 @@ Editor::track_canvas_scroll (GdkEventScroll* ev)
                break;
 
        case GDK_SCROLL_DOWN:
-               if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
+               if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomHorizontalModifier)) {
                        //for mouse-wheel zoom, force zoom-focus to mouse
                        Editing::ZoomFocus temp_focus = zoom_focus;
                        zoom_focus = Editing::ZoomFocusMouse;
                        temporal_zoom_step (true);
                        zoom_focus = temp_focus;
                        return true;
-               } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
+               } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollHorizontalModifier)) {
                        direction = GDK_SCROLL_RIGHT;
                        goto retry;
-               } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
+               } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
                        if (!current_stepping_trackview) {
                                step_timeout = Glib::signal_timeout().connect (sigc::mem_fun(*this, &Editor::track_height_step_timeout), 500);
-                               std::pair<TimeAxisView*, int> const p = trackview_by_y_position (ev->y + vertical_adjustment.get_value() - canvas_timebars_vsize);
+                               std::pair<TimeAxisView*, int> const p = trackview_by_y_position (event_coords.y);
                                current_stepping_trackview = p.first;
                                if (!current_stepping_trackview) {
                                        return false;
@@ -123,7 +130,7 @@ Editor::track_canvas_scroll (GdkEventScroll* ev)
                break;
 
        case GDK_SCROLL_LEFT:
-               xdelta = (current_page_frames() / 8);
+               xdelta = (current_page_samples() / 8);
                if (leftmost_frame > xdelta) {
                        reset_x_origin (leftmost_frame - xdelta);
                } else {
@@ -132,11 +139,11 @@ Editor::track_canvas_scroll (GdkEventScroll* ev)
                break;
 
        case GDK_SCROLL_RIGHT:
-               xdelta = (current_page_frames() / 8);
+               xdelta = (current_page_samples() / 8);
                if (max_framepos - xdelta > leftmost_frame) {
                        reset_x_origin (leftmost_frame + xdelta);
                } else {
-                       reset_x_origin (max_framepos - current_page_frames());
+                       reset_x_origin (max_framepos - current_page_samples());
                }
                break;
 
@@ -151,7 +158,7 @@ Editor::track_canvas_scroll (GdkEventScroll* ev)
 bool
 Editor::track_canvas_scroll_event (GdkEventScroll *event)
 {
-       track_canvas->grab_focus();
+       _track_canvas->grab_focus();
        return track_canvas_scroll (event);
 }
 
@@ -159,7 +166,7 @@ bool
 Editor::track_canvas_button_press_event (GdkEventButton */*event*/)
 {
        selection->clear ();
-       track_canvas->grab_focus();
+       _track_canvas->grab_focus();
        return false;
 }
 
@@ -177,7 +184,7 @@ Editor::track_canvas_motion_notify_event (GdkEventMotion */*event*/)
 {
        int x, y;
        /* keep those motion events coming */
-       track_canvas->get_pointer (x, y);
+       _track_canvas->get_pointer (x, y);
        return false;
 }
 
@@ -260,13 +267,17 @@ Editor::canvas_region_view_event (GdkEvent *event, ArdourCanvas::Item* item, Reg
                break;
 
        case GDK_ENTER_NOTIFY:
-               set_entered_track (&rv->get_time_axis_view ());
-               set_entered_regionview (rv);
+               if (event->crossing.detail != GDK_NOTIFY_INFERIOR) {
+                       set_entered_regionview (rv);
+                       ret = true;
+               }
                break;
 
        case GDK_LEAVE_NOTIFY:
-               set_entered_track (0);
-               set_entered_regionview (0);
+               if (event->crossing.detail != GDK_NOTIFY_INFERIOR) {
+                       set_entered_regionview (0);
+                       ret = true;
+               }
                break;
 
        default:
@@ -302,6 +313,7 @@ Editor::canvas_stream_view_event (GdkEvent *event, ArdourCanvas::Item* item, Rou
 
        case GDK_ENTER_NOTIFY:
                set_entered_track (tv);
+               ret = true;
                break;
 
        case GDK_LEAVE_NOTIFY:
@@ -455,9 +467,13 @@ Editor::canvas_fade_in_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRe
 
        }
 
-       /* proxy for the regionview */
+       /* proxy for the regionview, except enter/leave events */
 
-       return canvas_region_view_event (event, rv->get_canvas_group(), rv);
+       if (event->type == GDK_ENTER_NOTIFY || event->type == GDK_LEAVE_NOTIFY) {
+               return true;
+       } else {
+               return canvas_region_view_event (event, rv->get_canvas_group(), rv);
+       }
 }
 
 bool
@@ -490,12 +506,10 @@ Editor::canvas_fade_in_handle_event (GdkEvent *event, ArdourCanvas::Item* item,
                break;
 
        case GDK_ENTER_NOTIFY:
-               set_entered_regionview (rv);
                ret = enter_handler (item, event, FadeInHandleItem);
                break;
 
        case GDK_LEAVE_NOTIFY:
-               set_entered_regionview (0);
                ret = leave_handler (item, event, FadeInHandleItem);
                break;
 
@@ -537,9 +551,13 @@ Editor::canvas_fade_out_event (GdkEvent *event, ArdourCanvas::Item* item, AudioR
 
        }
 
-       /* proxy for the regionview */
+       /* proxy for the regionview, except enter/leave events */
 
-       return canvas_region_view_event (event, rv->get_canvas_group(), rv);
+       if (event->type == GDK_ENTER_NOTIFY || event->type == GDK_LEAVE_NOTIFY) {
+               return true;
+       } else {
+               return canvas_region_view_event (event, rv->get_canvas_group(), rv);
+       }
 }
 
 bool
@@ -572,12 +590,10 @@ Editor::canvas_fade_out_handle_event (GdkEvent *event, ArdourCanvas::Item* item,
                break;
 
        case GDK_ENTER_NOTIFY:
-               set_entered_regionview (rv);
                ret = enter_handler (item, event, FadeOutHandleItem);
                break;
 
        case GDK_LEAVE_NOTIFY:
-               set_entered_regionview (0);
                ret = leave_handler (item, event, FadeOutHandleItem);
                break;
 
@@ -776,12 +792,10 @@ Editor::canvas_frame_handle_event (GdkEvent* event, ArdourCanvas::Item* item, Re
                ret = motion_handler (item, event);
                break;
        case GDK_ENTER_NOTIFY:
-               set_entered_regionview (rv);
                ret = enter_handler (item, event, type);
                break;
 
        case GDK_LEAVE_NOTIFY:
-               set_entered_regionview (0);
                ret = leave_handler (item, event, type);
                break;
 
@@ -820,12 +834,10 @@ Editor::canvas_region_view_name_highlight_event (GdkEvent* event, ArdourCanvas::
                ret = true; // force this to avoid progagating the event into the regionview
                break;
        case GDK_ENTER_NOTIFY:
-               set_entered_regionview (rv);
                ret = enter_handler (item, event, RegionViewNameHighlight);
                break;
 
        case GDK_LEAVE_NOTIFY:
-               set_entered_regionview (0);
                ret = leave_handler (item, event, RegionViewNameHighlight);
                break;
 
@@ -862,12 +874,10 @@ Editor::canvas_region_view_name_event (GdkEvent *event, ArdourCanvas::Item* item
                ret = motion_handler (item, event);
                break;
        case GDK_ENTER_NOTIFY:
-               set_entered_regionview (rv);
                ret = enter_handler (item, event, RegionViewName);
                break;
 
        case GDK_LEAVE_NOTIFY:
-               set_entered_regionview (0);
                ret = leave_handler (item, event, RegionViewName);
                break;
 
@@ -947,6 +957,12 @@ Editor::canvas_cd_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
        return typed_event (item, event, CdMarkerBarItem);
 }
 
+bool
+Editor::canvas_videotl_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
+{
+       return typed_event (item, event, VideoBarItem);
+}
+
 bool
 Editor::canvas_tempo_marker_event (GdkEvent *event, ArdourCanvas::Item* item, TempoMarker* /*marker*/)
 {
@@ -994,63 +1010,144 @@ Editor::canvas_note_event (GdkEvent *event, ArdourCanvas::Item* item)
 }
 
 bool
-Editor::track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const & /*c*/, int x, int y, guint /*time*/)
+Editor::track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const& context, int x, int y, guint time)
 {
-       double wx;
-       double wy;
-       track_canvas->window_to_world (x, y, wx, wy);
-
+       boost::shared_ptr<Region> region;
+       boost::shared_ptr<Region> region_copy;
+       RouteTimeAxisView* rtav;
        GdkEvent event;
+       double px;
+       double py;
+
+       string target = _track_canvas->drag_dest_find_target (context, _track_canvas->drag_dest_get_target_list());
+
+       if (target.empty()) {
+               return false;
+       }
+
        event.type = GDK_MOTION_NOTIFY;
-       event.button.x = wx;
-       event.button.y = wy;
+       event.button.x = x;
+       event.button.y = y;
        /* assume we're dragging with button 1 */
        event.motion.state = Gdk::BUTTON1_MASK;
 
-       if (!_drags->active ()) {
+       (void) window_event_frame (&event, &px, &py);
 
-               double px;
-               double py;
-               framepos_t const pos = event_frame (&event, &px, &py);
+       std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (py);
+       bool can_drop = false;
+       
+       if (tv.first != 0) {
 
-               std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (py);
-               if (tv.first == 0) {
-                       return true;
-               }
+               /* over a time axis view of some kind */
 
-               RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (tv.first);
-               if (rtav == 0 || !rtav->is_track ()) {
-                       return true;
+               rtav = dynamic_cast<RouteTimeAxisView*> (tv.first);
+               
+               if (rtav != 0 && rtav->is_track ()) {
+                       /* over a track, not a bus */
+                       can_drop = true;
                }
+                       
 
-               boost::shared_ptr<Region> region = _regions->get_dragged_region ();
+       } else {
+               /* not over a time axis view, so drop is possible */
+               can_drop = true;
+       }
 
-               if (!region) {
+       if (can_drop) {
+               region = _regions->get_dragged_region ();
+               
+               if (region) {
+                       
+                       if ((boost::dynamic_pointer_cast<AudioRegion> (region) != 0 &&
+                            dynamic_cast<AudioTimeAxisView*> (tv.first) != 0) ||
+                           (boost::dynamic_pointer_cast<MidiRegion> (region) != 0 &&
+                            dynamic_cast<MidiTimeAxisView*> (tv.first) != 0)) {
+                               
+                               /* audio to audio 
+                                  OR 
+                                  midi to midi
+                               */
+                               
+                               context->drag_status (context->get_suggested_action(), time);
+                               return true;
+                       }
+               } else {
+                       /* DND originating from outside ardour
+                        *
+                        * TODO: check if file is audio/midi, allow drops on same track-type only,
+                        * currently: if audio is dropped on a midi-track, it is only added to the region-list
+                        */
+                       if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
+                               context->drag_status(Gdk::ACTION_COPY, time);
+                       } else {
+                               if ((context->get_actions() & (Gdk::ACTION_COPY | Gdk::ACTION_LINK | Gdk::ACTION_MOVE)) == Gdk::ACTION_COPY) {
+                                       context->drag_status(Gdk::ACTION_COPY, time);
+                               } else {
+                                       context->drag_status(Gdk::ACTION_LINK, time);
+                               }
+                       }
                        return true;
                }
+       }
 
-               boost::shared_ptr<Region> region_copy = RegionFactory::create (region, true);
+       /* no drop here */
+       context->drag_status (Gdk::DragAction (0), time);
+       return false;
+}
 
-               if (boost::dynamic_pointer_cast<AudioRegion> (region_copy) != 0 &&
-                   dynamic_cast<AudioTimeAxisView*> (tv.first) == 0) {
+void
+Editor::drop_regions (const Glib::RefPtr<Gdk::DragContext>& /*context*/,
+                     int x, int y,
+                     const SelectionData& /*data*/,
+                     guint /*info*/, guint /*time*/)
+{
+       boost::shared_ptr<Region> region;
+       boost::shared_ptr<Region> region_copy;
+       RouteTimeAxisView* rtav;
+       GdkEvent event;
+       double px;
+       double py;
 
-                       /* audio -> non-audio */
-                       return true;
-               }
+       event.type = GDK_MOTION_NOTIFY;
+       event.button.x = x;
+       event.button.y = y;
+       /* assume we're dragging with button 1 */
+       event.motion.state = Gdk::BUTTON1_MASK;
 
-               if (boost::dynamic_pointer_cast<MidiRegion> (region_copy) != 0 &&
-                   dynamic_cast<MidiTimeAxisView*> (tv.first) == 0) {
+       framepos_t const pos = window_event_frame (&event, &px, &py);
 
-                       /* MIDI -> non-MIDI */
-                       return true;
-               }
+       std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (py);
 
-               _drags->set (new RegionInsertDrag (this, region_copy, rtav, pos), &event);
-       }
+       if (tv.first != 0) {
+
+               rtav = dynamic_cast<RouteTimeAxisView*> (tv.first);
+               
+               if (rtav != 0 && rtav->is_track ()) {
+
+                       boost::shared_ptr<Region> region = _regions->get_dragged_region ();
+                       
+                       if (region) {
+
+                               region_copy = RegionFactory::create (region, true);
+       
 
-       _drags->motion_handler (&event, false);
+                               if ((boost::dynamic_pointer_cast<AudioRegion> (region_copy) != 0 &&
+                                   dynamic_cast<AudioTimeAxisView*> (tv.first) != 0) ||
+                                   (boost::dynamic_pointer_cast<MidiRegion> (region_copy) != 0 &&
+                                    dynamic_cast<MidiTimeAxisView*> (tv.first) != 0)) {
 
-       return true;
+                                       /* audio to audio 
+                                          OR 
+                                          midi to midi
+                                       */
+
+
+                                       _drags->set (new RegionInsertDrag (this, region_copy, rtav, pos), &event);
+                                       _drags->end_grab (0);
+                               }
+                       }
+               }
+       }
 }
 
 bool