streamline logic for setting waveform colors
[ardour.git] / gtk2_ardour / editor_canvas_events.cc
index 4c49dd1a9b50fdbcbee059544c81174765372691..36d9ee98ea00211b52768416a95cb039dfb186f4 100644 (file)
 #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"
@@ -63,23 +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;
@@ -95,20 +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;
@@ -124,7 +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 {
@@ -133,11 +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;
 
@@ -152,7 +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);
 }
 
@@ -160,7 +166,7 @@ bool
 Editor::track_canvas_button_press_event (GdkEventButton */*event*/)
 {
        selection->clear ();
-       track_canvas->grab_focus();
+       _track_canvas->grab_focus();
        return false;
 }
 
@@ -178,7 +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;
 }
 
@@ -261,13 +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:
@@ -303,6 +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:
@@ -456,13 +467,17 @@ 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
-Editor::canvas_fade_in_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
+Editor::canvas_fade_in_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv, bool trim)
 {
        bool ret = false;
 
@@ -478,11 +493,11 @@ Editor::canvas_fade_in_handle_event (GdkEvent *event, ArdourCanvas::Item* item,
                clicked_control_point = 0;
                clicked_axisview = &rv->get_time_axis_view();
                clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
-               ret = button_press_handler (item, event, FadeInHandleItem);
+               ret = button_press_handler (item, event, trim ? FadeInTrimHandleItem : FadeInHandleItem);
                break;
 
        case GDK_BUTTON_RELEASE:
-               ret = button_release_handler (item, event, FadeInHandleItem);
+               ret = button_release_handler (item, event, trim ? FadeInTrimHandleItem : FadeInHandleItem);
                maybe_locate_with_edit_preroll ( rv->region()->position() );
                break;
 
@@ -491,13 +506,11 @@ 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);
+               ret = enter_handler (item, event, trim ? FadeInTrimHandleItem : FadeInHandleItem);
                break;
 
        case GDK_LEAVE_NOTIFY:
-               set_entered_regionview (0);
-               ret = leave_handler (item, event, FadeInHandleItem);
+               ret = leave_handler (item, event, trim ? FadeInTrimHandleItem : FadeInHandleItem);
                break;
 
        default:
@@ -538,13 +551,17 @@ 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
-Editor::canvas_fade_out_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
+Editor::canvas_fade_out_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv, bool trim)
 {
        bool ret = false;
 
@@ -560,11 +577,11 @@ Editor::canvas_fade_out_handle_event (GdkEvent *event, ArdourCanvas::Item* item,
                clicked_control_point = 0;
                clicked_axisview = &rv->get_time_axis_view();
                clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
-               ret = button_press_handler (item, event, FadeOutHandleItem);
+               ret = button_press_handler (item, event, trim ? FadeOutTrimHandleItem : FadeOutHandleItem);
                break;
 
        case GDK_BUTTON_RELEASE:
-               ret = button_release_handler (item, event, FadeOutHandleItem);
+               ret = button_release_handler (item, event, trim ? FadeOutTrimHandleItem : FadeOutHandleItem);
                maybe_locate_with_edit_preroll ( rv->region()->last_frame() - rv->get_fade_out_shape_width() );
                break;
 
@@ -573,13 +590,11 @@ 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);
+               ret = enter_handler (item, event, trim ? FadeOutTrimHandleItem : FadeOutHandleItem);
                break;
 
        case GDK_LEAVE_NOTIFY:
-               set_entered_regionview (0);
-               ret = leave_handler (item, event, FadeOutHandleItem);
+               ret = leave_handler (item, event, trim ? FadeOutTrimHandleItem : FadeOutHandleItem);
                break;
 
        default:
@@ -777,12 +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;
 
@@ -821,12 +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;
 
@@ -863,12 +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;
 
@@ -1000,11 +1009,16 @@ Editor::canvas_note_event (GdkEvent *event, ArdourCanvas::Item* item)
        return typed_event (item, event, NoteItem);
 }
 
+bool
+Editor::canvas_bottom_rect_event (GdkEvent* event)
+{
+       cerr << "CBR event, type " << event << endl;
+       return true;
+}
+
 bool
 Editor::track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const& context, int x, int y, guint time)
 {
-       double wx;
-       double wy;
        boost::shared_ptr<Region> region;
        boost::shared_ptr<Region> region_copy;
        RouteTimeAxisView* rtav;
@@ -1012,21 +1026,19 @@ Editor::track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const& context,
        double px;
        double py;
 
-       string target = track_canvas->drag_dest_find_target (context, track_canvas->drag_dest_get_target_list());
+       string target = _track_canvas->drag_dest_find_target (context, _track_canvas->drag_dest_get_target_list());
 
        if (target.empty()) {
                return false;
        }
 
-       track_canvas->window_to_world (x, y, wx, wy);
-
        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;
 
-       (void) event_frame (&event, &px, &py);
+       (void) window_event_sample (&event, &px, &py);
 
        std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (py);
        bool can_drop = false;
@@ -1096,8 +1108,6 @@ Editor::drop_regions (const Glib::RefPtr<Gdk::DragContext>& /*context*/,
                      const SelectionData& /*data*/,
                      guint /*info*/, guint /*time*/)
 {
-       double wx;
-       double wy;
        boost::shared_ptr<Region> region;
        boost::shared_ptr<Region> region_copy;
        RouteTimeAxisView* rtav;
@@ -1105,15 +1115,13 @@ Editor::drop_regions (const Glib::RefPtr<Gdk::DragContext>& /*context*/,
        double px;
        double py;
 
-       track_canvas->window_to_world (x, y, wx, wy);
-
        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;
 
-       framepos_t const pos = event_frame (&event, &px, &py);
+       framepos_t const pos = window_event_sample (&event, &px, &py);
 
        std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (py);
 
@@ -1190,3 +1198,4 @@ Editor::key_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType
 
        return handled;
 }
+