2 Copyright (C) 2007 Paul Davis
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include "canvas-note-event.h"
22 #include "midi_region_view.h"
23 #include "public_editor.h"
24 #include "editing_syms.h"
28 using ARDOUR::MidiModel;
33 /// dividing the hue circle in 16 parts, hand adjusted for equal look, courtesy Thorsten Wilms
34 const uint32_t CanvasNoteEvent::midi_channel_colors[16] = {
35 0xd32d2dff, 0xd36b2dff, 0xd3972dff, 0xd3d12dff,
36 0xa0d32dff, 0x7dd32dff, 0x2dd45eff, 0x2dd3c4ff,
37 0x2da5d3ff, 0x2d6fd3ff, 0x432dd3ff, 0x662dd3ff,
38 0x832dd3ff, 0xa92dd3ff, 0xd32dbfff, 0xd32d67ff
41 CanvasNoteEvent::CanvasNoteEvent(MidiRegionView& region, Item* item,
42 const boost::shared_ptr<NoteType> note)
46 , _channel_selector_widget()
54 CanvasNoteEvent::~CanvasNoteEvent()
56 cerr << "Destroying CNE @ " << this << endl;
63 delete _channel_selector_widget;
67 CanvasNoteEvent::invalidate ()
73 CanvasNoteEvent::validate ()
79 CanvasNoteEvent::show_velocity()
82 _text = new InteractiveText(*(_item->property_parent()), this);
84 _text->property_x() = (x1() + x2()) /2;
85 _text->property_y() = (y1() + y2()) /2;
86 ostringstream velo(ios::ate);
87 velo << int(_note->velocity());
88 _text->property_text() = velo.str();
89 _text->property_justification() = Gtk::JUSTIFY_CENTER;
90 _text->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiNoteVelocityText.get();
92 _text->raise_to_top();
96 CanvasNoteEvent::hide_velocity()
106 CanvasNoteEvent::on_channel_selection_change(uint16_t selection)
108 // make note change its color if its channel is not marked active
109 if ( (selection & (1 << _note->channel())) == 0 ) {
110 set_fill_color(ARDOUR_UI::config()->canvasvar_MidiNoteInactiveChannel.get());
111 set_outline_color(calculate_outline(ARDOUR_UI::config()->canvasvar_MidiNoteInactiveChannel.get()));
113 // set the color according to the notes selection state
116 // this forces the item to update..... maybe slow...
122 CanvasNoteEvent::on_channel_change(uint8_t channel)
124 _region.note_selected(this, true);
125 hide_channel_selector();
126 _region.change_channel(channel);
130 CanvasNoteEvent::show_channel_selector(void)
132 if (_channel_selector_widget == 0) {
133 cerr << "Note has channel: " << int(_note->channel()) << endl;
134 SingleMidiChannelSelector* _channel_selector = new SingleMidiChannelSelector(_note->channel());
135 _channel_selector->show_all();
136 _channel_selector->channel_selected.connect(
137 sigc::mem_fun(this, &CanvasNoteEvent::on_channel_change));
139 _channel_selector_widget = new Widget(*(_item->property_parent()),
142 (Gtk::Widget &) *_channel_selector);
144 _channel_selector_widget->hide();
145 _channel_selector_widget->property_height() = 100;
146 _channel_selector_widget->property_width() = 100;
147 _channel_selector_widget->raise_to_top();
148 _channel_selector_widget->show();
150 hide_channel_selector();
155 CanvasNoteEvent::hide_channel_selector(void)
157 if (_channel_selector_widget) {
158 _channel_selector_widget->hide();
159 delete _channel_selector_widget;
160 _channel_selector_widget = 0;
165 CanvasNoteEvent::selected(bool selected)
169 } else if (selected) {
170 set_fill_color(UINT_INTERPOLATE(base_color(),
171 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(), 0.5));
172 set_outline_color(calculate_outline(
173 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get()));
175 set_fill_color(base_color());
176 set_outline_color(calculate_outline(base_color()));
179 _selected = selected;
182 #define SCALE_USHORT_TO_UINT8_T(x) ((x) / 257)
185 CanvasNoteEvent::base_color()
187 using namespace ARDOUR;
189 ColorMode mode = _region.color_mode();
191 const uint8_t min_opacity = 15;
192 uint8_t opacity = std::max(min_opacity, uint8_t(_note->velocity() + _note->velocity()));
197 Gdk::Color color = _region.midi_stream_view()->get_region_color();
199 SCALE_USHORT_TO_UINT8_T(color.get_red()),
200 SCALE_USHORT_TO_UINT8_T(color.get_green()),
201 SCALE_USHORT_TO_UINT8_T(color.get_blue()),
206 return UINT_RGBA_CHANGE_A(CanvasNoteEvent::midi_channel_colors[_note->channel()],
210 return meter_style_fill_color(_note->velocity());
217 CanvasNoteEvent::on_event(GdkEvent* ev)
219 PublicEditor& editor (_region.get_time_axis_view().editor());
221 if (!editor.internal_editing()) {
226 case GDK_ENTER_NOTIFY:
227 _region.note_entered(this);
228 //Keyboard::magic_widget_grab_focus();
231 case GDK_LEAVE_NOTIFY:
232 //Keyboard::magic_widget_drop_focus();
233 _region.note_left (this);
239 case GDK_BUTTON_PRESS:
240 if (ev->button.button == 3) {
241 show_channel_selector();
246 case GDK_BUTTON_RELEASE:
247 if (ev->button.button == 3) {
259 } // namespace Canvas