git-svn-id: svn://localhost/ardour2/trunk@2251 d708f5d6-7413-0410-9779-e7cbd77b26cf
226 lines
5.6 KiB
C++
226 lines
5.6 KiB
C++
/*
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Copyright (C) 2007 Paul Davis
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Author: Dave Robillard
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <iostream>
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#include "canvas-midi-event.h"
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#include "midi_region_view.h"
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#include "public_editor.h"
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#include "editing_syms.h"
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#include "keyboard.h"
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using namespace std;
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using ARDOUR::MidiModel;
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namespace Gnome {
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namespace Canvas {
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CanvasMidiEvent::CanvasMidiEvent(MidiRegionView& region, Item* item, const ARDOUR::MidiModel::Note* note)
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: _region(region)
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, _item(item)
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, _state(None)
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, _note(note)
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, _selected(false)
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{
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}
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void
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CanvasMidiEvent::selected(bool yn)
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{
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if (!_note) {
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return;
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} else if (yn) {
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set_fill_color(UINT_INTERPOLATE(note_fill_color(_note->velocity()),
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ARDOUR_UI::config()->canvasvar_MidiNoteSelectedOutline.get(), 0.85));
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set_outline_color(ARDOUR_UI::config()->canvasvar_MidiNoteSelectedOutline.get());
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} else {
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set_fill_color(note_fill_color(_note->velocity()));
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set_outline_color(note_outline_color(_note->velocity()));
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}
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_selected = yn;
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}
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bool
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CanvasMidiEvent::on_event(GdkEvent* ev)
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{
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static uint8_t drag_delta_note = 0;
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static double drag_delta_x = 0;
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static double last_x, last_y;
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double event_x, event_y, dx, dy;
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nframes_t event_frame;
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bool select_mod = false;
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if (_region.get_time_axis_view().editor.current_mouse_mode() != Editing::MouseNote)
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return false;
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switch (ev->type) {
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case GDK_KEY_PRESS:
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if (_note && ev->key.keyval == GDK_Delete) {
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selected(true);
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_region.start_remove_command();
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_region.command_remove_note(this);
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}
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break;
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case GDK_KEY_RELEASE:
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if (ev->key.keyval == GDK_Delete) {
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_region.apply_command();
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}
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break;
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case GDK_ENTER_NOTIFY:
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select_mod = (ev->motion.state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK));
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cerr << "ENTER: " << select_mod << " - " << ev->motion.state << endl;
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if (select_mod) {
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_region.note_selected(this, true);
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}
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Keyboard::magic_widget_grab_focus();
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_item->grab_focus();
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_region.note_entered(this);
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break;
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case GDK_LEAVE_NOTIFY:
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Keyboard::magic_widget_drop_focus();
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_region.get_canvas_group()->grab_focus();
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break;
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case GDK_BUTTON_PRESS:
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_state = Pressed;
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return true;
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case GDK_MOTION_NOTIFY:
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select_mod = (ev->motion.state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK));
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event_x = ev->motion.x;
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event_y = ev->motion.y;
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//cerr << "MOTION @ " << event_x << ", " << event_y << endl;
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_item->property_parent().get_value()->w2i(event_x, event_y);
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switch (_state) {
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case Pressed: // Drag begin
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if (!select_mod) {
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_item->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
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Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
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_state = Dragging;
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last_x = event_x;
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last_y = event_y;
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drag_delta_x = 0;
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drag_delta_note = 0;
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}
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return true;
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case Dragging: // Drag motion
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if (ev->motion.is_hint) {
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int t_x;
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int t_y;
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GdkModifierType state;
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gdk_window_get_pointer(ev->motion.window, &t_x, &t_y, &state);
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event_x = t_x;
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event_y = t_y;
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}
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// Snap
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event_frame = _region.midi_view()->editor.pixel_to_frame(event_x);
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_region.midi_view()->editor.snap_to(event_frame);
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event_x = _region.midi_view()->editor.frame_to_pixel(event_frame);
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dx = event_x - last_x;
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dy = event_y - last_y;
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last_x = event_x;
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drag_delta_x += dx;
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// Snap to note rows
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if (abs(dy) < _region.midi_stream_view()->note_height()) {
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dy = 0.0;
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} else {
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int8_t this_delta_note;
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if (dy > 0)
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this_delta_note = (int8_t)ceil(dy / _region.midi_stream_view()->note_height() / 2.0);
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else
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this_delta_note = (int8_t)floor(dy / _region.midi_stream_view()->note_height() / 2.0);
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drag_delta_note -= this_delta_note;
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dy = _region.midi_stream_view()->note_height() * this_delta_note;
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last_y = last_y + dy;
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}
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_item->move(dx, dy);
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return true;
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default:
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break;
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}
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break;
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case GDK_BUTTON_RELEASE:
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select_mod = (ev->motion.state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK));
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event_x = ev->button.x;
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event_y = ev->button.y;
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_item->property_parent().get_value()->w2i(event_x, event_y);
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switch (_state) {
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case Pressed: // Clicked
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_state = None;
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if (_selected && !select_mod && _region.selection_size() > 1)
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_region.unique_select(this);
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else if (_selected)
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_region.note_deselected(this, select_mod);
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else
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_region.note_selected(this, select_mod);
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return true;
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case Dragging: // Dropped
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_item->ungrab(ev->button.time);
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_state = None;
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if (_note) {
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// This would be nicer with a MoveCommand that doesn't need to copy...
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_region.start_delta_command();
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_region.command_remove_note(this);
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MidiModel::Note copy(*_note);
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double delta_t = _region.midi_view()->editor.pixel_to_frame(
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abs(drag_delta_x));
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if (drag_delta_x < 0)
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delta_t *= -1;
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copy.set_time(_note->time() + delta_t);
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copy.set_note(_note->note() + drag_delta_note);
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_region.command_add_note(copy);
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_region.apply_command();
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}
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return true;
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default:
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break;
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}
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default:
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break;
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}
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return false;
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}
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} // namespace Canvas
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} // namespace Gnome
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