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/*
Copyright (C) 2007 Paul Davis
Author: Dave 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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <iostream>
#include "canvas-midi-event.h"
#include "midi_region_view.h"
#include "public_editor.h"
#include "editing_syms.h"
#include "keyboard.h"
using namespace std;
using ARDOUR::MidiModel;
namespace Gnome {
namespace Canvas {
CanvasMidiEvent::CanvasMidiEvent(MidiRegionView& region, Item* item,
const boost::shared_ptr<ARDOUR::Note> note)
: _region(region)
, _item(item)
, _state(None)
, _note(note)
, _selected(false)
{
}
void
CanvasMidiEvent::selected(bool yn)
{
if (!_note) {
return;
} else if (yn) {
set_fill_color(UINT_INTERPOLATE(note_fill_color(_note->velocity()),
ARDOUR_UI::config()->canvasvar_MidiNoteSelectedOutline.get(), 0.85));
set_outline_color(ARDOUR_UI::config()->canvasvar_MidiNoteSelectedOutline.get());
} else {
set_fill_color(note_fill_color(_note->velocity()));
set_outline_color(note_outline_color(_note->velocity()));
}
_selected = yn;
}
bool
CanvasMidiEvent::on_event(GdkEvent* ev)
{
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;
nframes_t event_frame;
bool select_mod;
if (_region.get_time_axis_view().editor.current_mouse_mode() != Editing::MouseNote)
return false;
switch (ev->type) {
case GDK_KEY_PRESS:
cerr << "EV KEY PRESS\n";
if (_note && ev->key.keyval == GDK_Delete) {
cerr << "EV DELETE KEY\n";
selected(true);
_region.start_remove_command();
_region.command_remove_note(this);
}
break;
case GDK_KEY_RELEASE:
cerr << "EV KEY RELEASE\n";
if (ev->key.keyval == GDK_Delete) {
_region.apply_command();
}
break;
case GDK_ENTER_NOTIFY:
_region.note_entered(this);
_item->grab_focus();
Keyboard::magic_widget_grab_focus();
break;
case GDK_LEAVE_NOTIFY:
Keyboard::magic_widget_drop_focus();
_region.get_canvas_group()->grab_focus();
break;
case GDK_BUTTON_PRESS:
_state = Pressed;
return true;
case GDK_MOTION_NOTIFY:
event_x = ev->motion.x;
event_y = ev->motion.y;
//cerr << "MOTION @ " << event_x << ", " << event_y << endl;
_item->property_parent().get_value()->w2i(event_x, event_y);
switch (_state) {
case Pressed: // Drag begin
if (_region.mouse_state() != MidiRegionView::SelectTouchDragging) {
_item->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
_state = Dragging;
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;
}
// Snap
event_frame = _region.midi_view()->editor.pixel_to_frame(event_x);
_region.midi_view()->editor.snap_to(event_frame);
event_x = _region.midi_view()->editor.frame_to_pixel(event_frame);
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) < _region.midi_stream_view()->note_height()) {
dy = 0.0;
} else {
int8_t this_delta_note;
if (dy > 0)
this_delta_note = (int8_t)ceil(dy / _region.midi_stream_view()->note_height() / 2.0);
else
this_delta_note = (int8_t)floor(dy / _region.midi_stream_view()->note_height() / 2.0);
drag_delta_note -= this_delta_note;
dy = _region.midi_stream_view()->note_height() * this_delta_note;
last_y = last_y + dy;
}
_region.move_selection(dx, dy);
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);
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_remove_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;
}
default:
break;
}
return false;
}
} // namespace Canvas
} // namespace Gnome
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