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Diffstat (limited to 'gtk2_ardour/canvas-note-event.h')
| -rw-r--r-- | gtk2_ardour/canvas-note-event.h | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/gtk2_ardour/canvas-note-event.h b/gtk2_ardour/canvas-note-event.h deleted file mode 100644 index e5b4896b92..0000000000 --- a/gtk2_ardour/canvas-note-event.h +++ /dev/null @@ -1,169 +0,0 @@ -/* - Copyright (C) 2007 Paul Davis - 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 - 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. -*/ - -#ifndef __gtk_ardour_canvas_midi_event_h__ -#define __gtk_ardour_canvas_midi_event_h__ - -#include <boost/shared_ptr.hpp> -#include <libgnomecanvasmm/text.h> -#include <libgnomecanvasmm/widget.h> - -#include "ardour/midi_model.h" - -#include "rgb_macros.h" -#include "ardour_ui.h" -#include "canvas-noevent-text.h" -#include "ui_config.h" - -class Editor; -class MidiRegionView; - -namespace Evoral { template<typename T> class Note; } - -namespace Gnome { -namespace Canvas { - - -/** This manages all the event handling for any MIDI event on the canvas. - * - * This is not actually a canvas item itself to avoid the dreaded diamond, - * since various types of canvas items (Note (rect), Hit (diamond), etc) - * need to share this functionality but can't share an ancestor. - * - * Note: Because of this, derived classes need to manually bounce events to - * on_event, it won't happen automatically. - * - * A newer, better canvas should remove the need for all the ugly here. - */ -class CanvasNoteEvent : virtual public sigc::trackable -{ - public: - typedef Evoral::Note<ARDOUR::MidiModel::TimeType> NoteType; - - CanvasNoteEvent( - MidiRegionView& region, - Item* item, - const boost::shared_ptr<NoteType> note = boost::shared_ptr<NoteType>()); - - virtual ~CanvasNoteEvent(); - - static PBD::Signal1<void,CanvasNoteEvent*> CanvasNoteEventDeleted; - - virtual void show() = 0; - virtual void hide() = 0; - virtual bool on_event(GdkEvent* ev); - - bool valid() const { return _valid; } - void invalidate (); - void validate (); - - bool selected() const { return _selected; } - void set_selected(bool yn); - - virtual void move_event(double dx, double dy) = 0; - - uint32_t base_color(); - - void show_velocity(); - void hide_velocity(); - - /** Channel changed for this specific event */ - void on_channel_change(uint8_t channel); - - /** Channel selection changed */ - void on_channel_selection_change(uint16_t selection); - - void show_channel_selector(); - void hide_channel_selector(); - - virtual void set_outline_color(uint32_t c) = 0; - virtual void set_fill_color(uint32_t c) = 0; - - virtual double x1() const = 0; - virtual double y1() const = 0; - virtual double x2() const = 0; - virtual double y2() const = 0; - - float mouse_x_fraction() const { return _mouse_x_fraction; } - float mouse_y_fraction() const { return _mouse_y_fraction; } - - const boost::shared_ptr<NoteType> note() const { return _note; } - MidiRegionView& region_view() const { return _region; } - - inline static uint32_t meter_style_fill_color(uint8_t vel, bool selected) { - if (selected) { - if (vel < 64) { - return UINT_INTERPOLATE( - ARDOUR_UI::config()->canvasvar_SelectedMidiNoteColorBase.get(), - ARDOUR_UI::config()->canvasvar_SelectedMidiNoteColorMid.get(), - (vel / (double)63.0)); - } else { - return UINT_INTERPOLATE( - ARDOUR_UI::config()->canvasvar_SelectedMidiNoteColorMid.get(), - ARDOUR_UI::config()->canvasvar_SelectedMidiNoteColorTop.get(), - ((vel-64) / (double)63.0)); - } - } else { - if (vel < 64) { - return UINT_INTERPOLATE( - ARDOUR_UI::config()->canvasvar_MidiNoteColorBase.get(), - ARDOUR_UI::config()->canvasvar_MidiNoteColorMid.get(), - (vel / (double)63.0)); - } else { - return UINT_INTERPOLATE( - ARDOUR_UI::config()->canvasvar_MidiNoteColorMid.get(), - ARDOUR_UI::config()->canvasvar_MidiNoteColorTop.get(), - ((vel-64) / (double)63.0)); - } - } - } - - /// calculate outline colors from fill colors of notes - inline static uint32_t calculate_outline(uint32_t color) { - return UINT_INTERPOLATE(color, 0x000000ff, 0.5); - } - - /// hue circle divided into 16 equal-looking parts, courtesy Thorsten Wilms - static const uint32_t midi_channel_colors[16]; - - bool mouse_near_ends () const; - bool big_enough_to_trim () const; - - protected: - enum State { None, Pressed, Dragging }; - - MidiRegionView& _region; - Item* const _item; - NoEventText* _text; - Widget* _channel_selector_widget; - State _state; - const boost::shared_ptr<NoteType> _note; - bool _selected; - bool _valid; - float _mouse_x_fraction; - float _mouse_y_fraction; - uint16_t _channel_selection; - - void set_mouse_fractions (GdkEvent*); -}; - -} // namespace Gnome -} // namespace Canvas - -#endif /* __gtk_ardour_canvas_midi_event_h__ */ |