123 lines
2.6 KiB
C++
123 lines
2.6 KiB
C++
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/*
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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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using namespace std;
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namespace Gnome {
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namespace Canvas {
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CanvasMidiEvent::CanvasMidiEvent(MidiRegionView& region, Item* item)
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: _region(region)
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, _item(item)
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, _state(None)
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{
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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 double last_x, last_y;
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double event_x, event_y;
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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_ENTER_NOTIFY:
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cerr << "ENTERED: " << ev->crossing.state << endl;
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if ( (ev->crossing.state & GDK_BUTTON2_MASK) ) {
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}
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break;
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*/
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case GDK_KEY_PRESS:
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cerr << "EVENT KEY PRESS\n"; // doesn't work :/
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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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event_x = ev->motion.x;
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event_y = ev->motion.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:
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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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return true;
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case Dragging:
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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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_item->move(event_x - last_x, event_y - last_y);
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last_x = event_x;
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last_y = event_y;
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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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switch (_state) {
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case Pressed: // Clicked
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_state = None;
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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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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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