X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fcanvas-note-event.cc;h=94b675b22466990c126da1ddf1b52b07afd81e7f;hb=5932b7903a7c43cc3b5cfd043e64d577e0125799;hp=c370530cfcc123ff1e19a0ee4b37c132d302651e;hpb=975d4109305c1e2b8dfece2d2a8798b90469f2fd;p=ardour.git

diff --git a/gtk2_ardour/canvas-note-event.cc b/gtk2_ardour/canvas-note-event.cc
index c370530cfc..94b675b224 100644
--- a/gtk2_ardour/canvas-note-event.cc
+++ b/gtk2_ardour/canvas-note-event.cc
@@ -1,6 +1,6 @@
 /*
     Copyright (C) 2007 Paul Davis
-    Author: Dave Robillard
+    Author: David Robillard
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -18,6 +18,9 @@
 */
 
 #include <iostream>
+
+#include "gtkmm2ext/keyboard.h"
+
 #include "canvas-note-event.h"
 #include "midi_region_view.h"
 #include "public_editor.h"
@@ -25,14 +28,23 @@
 #include "keyboard.h"
 
 using namespace std;
+using namespace Gtkmm2ext;
 using ARDOUR::MidiModel;
 
 namespace Gnome {
 namespace Canvas {
 
+PBD::Signal1<void,CanvasNoteEvent*> CanvasNoteEvent::CanvasNoteEventDeleted;
 
-CanvasNoteEvent::CanvasNoteEvent(MidiRegionView& region, Item* item,
-		const boost::shared_ptr<ARDOUR::Note> note)
+/// dividing the hue circle in 16 parts, hand adjusted for equal look, courtesy Thorsten Wilms
+const uint32_t CanvasNoteEvent::midi_channel_colors[16] = {
+	  0xd32d2dff,  0xd36b2dff,  0xd3972dff,  0xd3d12dff,
+	  0xa0d32dff,  0x7dd32dff,  0x2dd45eff,  0x2dd3c4ff,
+	  0x2da5d3ff,  0x2d6fd3ff,  0x432dd3ff,  0x662dd3ff,
+	  0x832dd3ff,  0xa92dd3ff,  0xd32dbfff,  0xd32d67ff
+	};
+
+CanvasNoteEvent::CanvasNoteEvent(MidiRegionView& region, Item* item, const boost::shared_ptr<NoteType> note)
 	: _region(region)
 	, _item(item)
 	, _text(0)
@@ -40,75 +52,79 @@ CanvasNoteEvent::CanvasNoteEvent(MidiRegionView& region, Item* item,
 	, _state(None)
 	, _note(note)
 	, _selected(false)
+	, _valid (true)
+	, _mouse_x_fraction (-1.0)
+	, _mouse_y_fraction (-1.0)
+	, _channel_selection (0xffff)
 {
 }
 
-CanvasNoteEvent::~CanvasNoteEvent() 
-{ 
+CanvasNoteEvent::~CanvasNoteEvent()
+{
+	CanvasNoteEventDeleted (this);
+
 	if (_text) {
 		_text->hide();
 		delete _text;
 	}
-	
-	if (_channel_selector_widget)
-		delete _channel_selector_widget;
+
+	delete _channel_selector_widget;
 }
 
-void 
-CanvasNoteEvent::move_event(double dx, double dy)
+void
+CanvasNoteEvent::invalidate ()
 {
-	_item->move(dx, dy);
-	if (_text) {
-		_text->hide();
-		_text->move(dx, dy);
-		_text->show();
-	}
+	_valid = false;
+}
+
+void
+CanvasNoteEvent::validate ()
+{
+	_valid = true;
 }
 
 void
-CanvasNoteEvent::show_velocity(void)
+CanvasNoteEvent::show_velocity()
 {
-	hide_velocity();
-	_text = new Text(*(_item->property_parent()));
+	if (!_text) {
+		_text = new NoEventText (*(_item->property_parent()));
+		_text->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiNoteVelocityText.get();
+		_text->property_justification() = Gtk::JUSTIFY_CENTER;
+	}
+
 	_text->property_x() = (x1() + x2()) /2;
 	_text->property_y() = (y1() + y2()) /2;
 	ostringstream velo(ios::ate);
 	velo << int(_note->velocity());
 	_text->property_text() = velo.str();
-	_text->property_justification() = Gtk::JUSTIFY_CENTER;
-	_text->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiNoteSelectedOutline.get();
 	_text->show();
-	_text->lower_to_bottom();
-	_text->raise(2);
+	_text->raise_to_top();
 }
 
 void
-CanvasNoteEvent::hide_velocity(void)
+CanvasNoteEvent::hide_velocity()
 {
-	if(_text) {
+	if (_text) {
 		_text->hide();
 		delete _text;
+		_text = 0;
 	}
-	_text = 0;
 }
 
-void 
+void
 CanvasNoteEvent::on_channel_selection_change(uint16_t selection)
 {
-	// make note change its color if its channel is not marked active
-	if ( (selection & (1 << _note->channel())) == 0 ) {
-		set_fill_color(ARDOUR_UI::config()->canvasvar_MidiNoteFillInactiveChannel.get());
-		set_outline_color(ARDOUR_UI::config()->canvasvar_MidiNoteOutlineInactiveChannel.get());
-	} else {
-		// set the color according to the notes selection state
-		selected(_selected);
-	}
+	_channel_selection = selection;
+	
+	/* this takes into account whether or not the note should be drawn as inactive */
+	set_selected (_selected);
+
 	// this forces the item to update..... maybe slow...
 	_item->hide();
 	_item->show();
 }
 
-void 
+void
 CanvasNoteEvent::on_channel_change(uint8_t channel)
 {
 	_region.note_selected(this, true);
@@ -120,23 +136,32 @@ void
 CanvasNoteEvent::show_channel_selector(void)
 {
 	if (_channel_selector_widget == 0) {
-		cerr << "Note has channel: " << int(_note->channel()) << endl;
+
+	  	if(_region.channel_selector_scoped_note() != 0){
+		    _region.channel_selector_scoped_note()->hide_channel_selector();
+		    _region.set_channel_selector_scoped_note(0);
+		}
+
 		SingleMidiChannelSelector* _channel_selector = new SingleMidiChannelSelector(_note->channel());
 		_channel_selector->show_all();
 		_channel_selector->channel_selected.connect(
 			sigc::mem_fun(this, &CanvasNoteEvent::on_channel_change));
 
-		_channel_selector_widget = 
-			new Widget(*(_item->property_parent()), 
-			           x1(), 
-			           y2() + 2, 
-			           (Gtk::Widget &) *_channel_selector);
-		
+		_channel_selector->clicked.connect (
+			sigc::mem_fun (this, &CanvasNoteEvent::hide_channel_selector));
+
+		_channel_selector_widget = new Widget(*(_item->property_parent()),
+		                                      x1(),
+		                                      y2() + 2,
+		                                      (Gtk::Widget &) *_channel_selector);
+
 		_channel_selector_widget->hide();
 		_channel_selector_widget->property_height() = 100;
 		_channel_selector_widget->property_width() = 100;
 		_channel_selector_widget->raise_to_top();
 		_channel_selector_widget->show();
+
+		_region.set_channel_selector_scoped_note(this);
 	} else {
 		hide_channel_selector();
 	}
@@ -153,209 +178,176 @@ CanvasNoteEvent::hide_channel_selector(void)
 }
 
 void
-CanvasNoteEvent::selected(bool yn)
+CanvasNoteEvent::set_selected(bool selected)
 {
 	if (!_note) {
 		return;
-	} else if (yn) {
-		set_fill_color(UINT_INTERPOLATE(note_fill_color(_note->velocity()),
-					ARDOUR_UI::config()->canvasvar_MidiNoteSelectedOutline.get(), 0.1));
-		set_outline_color(ARDOUR_UI::config()->canvasvar_MidiNoteSelectedOutline.get());
-		show_velocity();
-	} else {
-		set_fill_color(note_fill_color(_note->velocity()));
-		set_outline_color(note_outline_color(_note->velocity()));
-		hide_velocity();
 	}
 
-	_selected = yn;
-}
+	_selected = selected;
 
+	bool const active = (_channel_selection & (1 << _note->channel())) != 0;
 
-bool
-CanvasNoteEvent::on_event(GdkEvent* ev)
-{
-	MidiStreamView *streamview = _region.midi_stream_view();
-	static uint8_t drag_delta_note = 0;
-	static double  drag_delta_x = 0;
-	static double last_x, last_y;
-	double event_x, event_y, dx, dy;
-	bool select_mod;
-	uint8_t d_velocity = 10;
-
-	if (_region.get_time_axis_view().editor.current_mouse_mode() != Editing::MouseNote)
-		return false;
+	if (_selected && active) {
+		set_outline_color(calculate_outline(ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get()));
 
-	switch (ev->type) {
-	case GDK_SCROLL:
-		if (Keyboard::modifier_state_equals (ev->scroll.state, Keyboard::Level4Modifier)) {
-			d_velocity = 1;
+		if(_region.channel_selector_scoped_note() != 0){
+		    _region.channel_selector_scoped_note()->hide_channel_selector();
+		    _region.set_channel_selector_scoped_note(0);
 		}
 
-		if (ev->scroll.direction == GDK_SCROLL_UP) {
-			_region.note_selected(this, true);
-			if (_region.mouse_state() == MidiRegionView::SelectTouchDragging) {
-				// TODO: absolute velocity
-			} else {
-				_region.change_velocity(d_velocity, true);
-			}
-			return true;
-		} else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
-			_region.note_selected(this, true);
-			if (_region.mouse_state() == MidiRegionView::SelectTouchDragging) {
-				// TODO: absolute velocity
-			} else {
-				_region.change_velocity(-d_velocity, true);
-			}
-			return true;
+		set_fill_color (base_color ());
+
+	} else {
+
+		if (active) {
+			set_fill_color(base_color());
+			set_outline_color(calculate_outline(base_color()));
 		} else {
-			return false;
+			set_fill_color(ARDOUR_UI::config()->canvasvar_MidiNoteInactiveChannel.get());
+			set_outline_color(calculate_outline(ARDOUR_UI::config()->canvasvar_MidiNoteInactiveChannel.get()));
 		}
 		
-	case GDK_KEY_PRESS:
-		if (_note && ev->key.keyval == GDK_Delete) {
-			selected(true);
-			_region.start_delta_command();
-			_region.command_remove_note(this);
-		}
-		break;
+		hide_channel_selector();
+	}
+}
 
-	case GDK_KEY_RELEASE:
-		if (ev->key.keyval == GDK_Delete) {
-			_region.apply_command();
-		}
+#define SCALE_USHORT_TO_UINT8_T(x) ((x) / 257)
+
+uint32_t
+CanvasNoteEvent::base_color()
+{
+	using namespace ARDOUR;
+
+	ColorMode mode = _region.color_mode();
+
+	const uint8_t min_opacity = 15;
+	uint8_t       opacity = std::max(min_opacity, uint8_t(_note->velocity() + _note->velocity()));
+
+	switch (mode) {
+	case TrackColor:
+	{
+		Gdk::Color color = _region.midi_stream_view()->get_region_color();
+		return UINT_INTERPOLATE (RGBA_TO_UINT(
+			                         SCALE_USHORT_TO_UINT8_T(color.get_red()),
+			                         SCALE_USHORT_TO_UINT8_T(color.get_green()),
+			                         SCALE_USHORT_TO_UINT8_T(color.get_blue()),
+			                         opacity),
+		                         ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(), 0.5);
+	}
+
+	case ChannelColors:
+		return UINT_INTERPOLATE (UINT_RGBA_CHANGE_A (CanvasNoteEvent::midi_channel_colors[_note->channel()],
+		                                             opacity),
+		                         ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(), 0.5);
+
+	default:
+		return meter_style_fill_color(_note->velocity(), selected());
+	};
+
+	return 0;
+}
+
+void
+CanvasNoteEvent::set_mouse_fractions (GdkEvent* ev)
+{
+	double ix, iy;
+	double bx1, bx2, by1, by2;
+	bool set_cursor = false;
+
+	switch (ev->type) {
+	case GDK_MOTION_NOTIFY:
+		ix = ev->motion.x;
+		iy = ev->motion.y;
+		set_cursor = true;
+		break;
+	case GDK_ENTER_NOTIFY:
+		ix = ev->crossing.x;
+		iy = ev->crossing.y;
+		set_cursor = true;
 		break;
+	case GDK_BUTTON_PRESS:
+	case GDK_BUTTON_RELEASE:
+		ix = ev->button.x;
+		iy = ev->button.y;
+		break;
+	default:
+		_mouse_x_fraction = -1.0;
+		_mouse_y_fraction = -1.0;
+		return;
+	}
+
+	_item->get_bounds (bx1, by1, bx2, by2);
+	_item->w2i (ix, iy);
+	/* hmm, something wrong here. w2i should give item-local coordinates
+	   but it doesn't. for now, finesse this.
+	*/
+	ix = ix - bx1;
+	iy = iy - by1;
+
+	/* fraction of width/height */
+	double xf;
+	double yf;
+	bool notify = false;
+
+	xf = ix / (bx2 - bx1);
+	yf = iy / (by2 - by1);
+
+	if (xf != _mouse_x_fraction || yf != _mouse_y_fraction) {
+		notify = true;
+	}
+
+	_mouse_x_fraction = xf;
+	_mouse_y_fraction = yf;
+
+	if (notify) {
+                if (big_enough_to_trim()) {
+                        _region.note_mouse_position (_mouse_x_fraction, _mouse_y_fraction, set_cursor);
+                } else {
+                        /* pretend the mouse is in the middle, because this is not big enough
+                           to trim right now.
+                        */
+                        _region.note_mouse_position (0.5, 0.5, set_cursor);
+                }
+	}
+}
+
+bool
+CanvasNoteEvent::on_event(GdkEvent* ev)
+{
+	if (!_region.get_time_axis_view().editor().internal_editing()) {
+		return false;
+	}
 
+	switch (ev->type) {
 	case GDK_ENTER_NOTIFY:
-		_region.note_entered(this);
-		_item->grab_focus();
-		show_velocity();
-		Keyboard::magic_widget_grab_focus();
+		set_mouse_fractions (ev);
+		_region.note_entered (this);
 		break;
 
 	case GDK_LEAVE_NOTIFY:
-		Keyboard::magic_widget_drop_focus();
-		if (! selected()) {
-			hide_velocity();
-		}
-		_region.get_canvas_group()->grab_focus();
+		set_mouse_fractions (ev);
+		_region.note_left (this);
 		break;
 
-	case GDK_BUTTON_PRESS:
-		if (ev->button.button == 1) {
-			_state = Pressed;
-		} else if (ev->button.button == 3) {
-			show_channel_selector();
-		}
-		return true;
-
 	case GDK_MOTION_NOTIFY:
-		event_x = ev->motion.x;
-		event_y = ev->motion.y;
-
-		switch (_state) {
-		case Pressed: // Drag begin
-			if (_region.midi_view()->editor.current_midi_edit_mode() == Editing::MidiEditSelect
-					&& _region.mouse_state() != MidiRegionView::SelectTouchDragging
-					&& _region.mouse_state() != MidiRegionView::EraseTouchDragging) {
-				_item->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
-						Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
-				_state = Dragging;
-				_item->property_parent().get_value()->w2i(event_x, event_y);
-				event_x = _region.snap_to_pixel(event_x); 
-				last_x = event_x;
-				last_y = event_y;
-				drag_delta_x = 0;
-				drag_delta_note = 0;
-				_region.note_selected(this, true);
-			}
-			return true;
-
-		case Dragging: // Drag motion
-			if (ev->motion.is_hint) {
-				int t_x;
-				int t_y;
-				GdkModifierType state;
-				gdk_window_get_pointer(ev->motion.window, &t_x, &t_y, &state);
-				event_x = t_x;
-				event_y = t_y;
-			}
-			_item->property_parent().get_value()->w2i(event_x, event_y);
-			
-			// Snap
-			event_x = _region.snap_to_pixel(event_x); 
-
-			dx = event_x - last_x;
-			dy = event_y - last_y;
-
-			last_x = event_x;
-
-			drag_delta_x += dx;
-
-			// Snap to note rows
-			if (abs(dy) < streamview->note_height()) {
-				dy = 0.0;
-			} else {
-				int8_t this_delta_note;
-				if (dy > 0) {
-					this_delta_note = (int8_t)ceil(dy / streamview->note_height() / 2.0);
-				} else {
-					this_delta_note = (int8_t)floor(dy / streamview->note_height() / 2.0);
-				}
-				drag_delta_note -= this_delta_note;
-				dy = streamview->note_height() * this_delta_note;
-				last_y = last_y + dy;
-			}
-
-			_region.move_selection(dx, dy);
+		set_mouse_fractions (ev);
+		break;
 
+	case GDK_BUTTON_PRESS:
+		set_mouse_fractions (ev);
+		if (ev->button.button == 3 && Keyboard::no_modifiers_active (ev->button.state) && _selected) {
+			show_channel_selector();
 			return true;
-		default:
-			break;
 		}
 		break;
 
 	case GDK_BUTTON_RELEASE:
-		select_mod = (ev->motion.state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK));
-		event_x = ev->button.x;
-		event_y = ev->button.y;
-		_item->property_parent().get_value()->w2i(event_x, event_y);
-		
-		if (ev->button.button == 3) {
+		set_mouse_fractions (ev);
+		if (ev->button.button == 3 && Keyboard::no_modifiers_active (ev->button.state)) {
 			return true;
 		}
-		
-		switch (_state) {
-		case Pressed: // Clicked
-			if (_region.midi_view()->editor.current_midi_edit_mode() == Editing::MidiEditSelect) {
-				_state = None;
-
-				if (_selected && !select_mod && _region.selection_size() > 1)
-					_region.unique_select(this);
-				else if (_selected)
-					_region.note_deselected(this, select_mod);
-				else
-					_region.note_selected(this, select_mod);
-			} else if (_region.midi_view()->editor.current_midi_edit_mode() == Editing::MidiEditErase) {
-				_region.start_delta_command();
-				_region.command_remove_note(this);
-				_region.apply_command();
-			}
-
-			return true;
-		case Dragging: // Dropped
-			_item->ungrab(ev->button.time);
-			_state = None;
-
-			if (_note)
-				_region.note_dropped(this,
-						_region.midi_view()->editor.pixel_to_frame(abs(drag_delta_x))
-								* ((drag_delta_x < 0.0) ? -1 : 1),
-						drag_delta_note);
-			return true;
-		default:
-			break;
-		}
+		break;
 
 	default:
 		break;
@@ -364,6 +356,19 @@ CanvasNoteEvent::on_event(GdkEvent* ev)
 	return false;
 }
 
+bool
+CanvasNoteEvent::mouse_near_ends () const
+{
+	return (_mouse_x_fraction >= 0.0 && _mouse_x_fraction < 0.25) ||
+		(_mouse_x_fraction >= 0.75 && _mouse_x_fraction < 1.0);
+}
+
+bool
+CanvasNoteEvent::big_enough_to_trim () const
+{
+        return (x2() - x1()) > 20; /* canvas units, really pixels */
+}
+
 } // namespace Canvas
 } // namespace Gnome