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.
22 #include "gtkmm2ext/keyboard.h"
24 #include "canvas-note-event.h"
25 #include "midi_region_view.h"
26 #include "public_editor.h"
27 #include "editing_syms.h"
31 using namespace Gtkmm2ext;
32 using ARDOUR::MidiModel;
37 PBD::Signal1<void,CanvasNoteEvent*> CanvasNoteEvent::CanvasNoteEventDeleted;
39 /// dividing the hue circle in 16 parts, hand adjusted for equal look, courtesy Thorsten Wilms
40 const uint32_t CanvasNoteEvent::midi_channel_colors[16] = {
41 0xd32d2dff, 0xd36b2dff, 0xd3972dff, 0xd3d12dff,
42 0xa0d32dff, 0x7dd32dff, 0x2dd45eff, 0x2dd3c4ff,
43 0x2da5d3ff, 0x2d6fd3ff, 0x432dd3ff, 0x662dd3ff,
44 0x832dd3ff, 0xa92dd3ff, 0xd32dbfff, 0xd32d67ff
47 CanvasNoteEvent::CanvasNoteEvent(MidiRegionView& region, Item* item, const boost::shared_ptr<NoteType> note)
51 , _channel_selector_widget()
56 , _mouse_x_fraction (-1.0)
57 , _mouse_y_fraction (-1.0)
61 CanvasNoteEvent::~CanvasNoteEvent()
63 CanvasNoteEventDeleted (this);
70 delete _channel_selector_widget;
74 CanvasNoteEvent::invalidate ()
80 CanvasNoteEvent::validate ()
86 CanvasNoteEvent::show_velocity()
89 _text = new NoEventText (*(_item->property_parent()));
90 _text->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiNoteVelocityText.get();
91 _text->property_justification() = Gtk::JUSTIFY_CENTER;
94 _text->property_x() = (x1() + x2()) /2;
95 _text->property_y() = (y1() + y2()) /2;
96 ostringstream velo(ios::ate);
97 velo << int(_note->velocity());
98 _text->property_text() = velo.str();
100 _text->raise_to_top();
104 CanvasNoteEvent::hide_velocity()
114 CanvasNoteEvent::on_channel_selection_change(uint16_t selection)
116 // make note change its color if its channel is not marked active
117 if ( (selection & (1 << _note->channel())) == 0 ) {
118 set_fill_color(ARDOUR_UI::config()->canvasvar_MidiNoteInactiveChannel.get());
119 set_outline_color(calculate_outline(ARDOUR_UI::config()->canvasvar_MidiNoteInactiveChannel.get()));
121 // set the color according to the notes selection state
122 set_selected(_selected);
124 // this forces the item to update..... maybe slow...
130 CanvasNoteEvent::on_channel_change(uint8_t channel)
132 _region.note_selected(this, true);
133 hide_channel_selector();
134 _region.change_channel(channel);
138 CanvasNoteEvent::show_channel_selector(void)
140 if (_channel_selector_widget == 0) {
142 if(_region.channel_selector_scoped_note() != 0){
143 _region.channel_selector_scoped_note()->hide_channel_selector();
144 _region.set_channel_selector_scoped_note(0);
147 SingleMidiChannelSelector* _channel_selector = new SingleMidiChannelSelector(_note->channel());
148 _channel_selector->show_all();
149 _channel_selector->channel_selected.connect(
150 sigc::mem_fun(this, &CanvasNoteEvent::on_channel_change));
152 _channel_selector->clicked.connect (
153 sigc::mem_fun (this, &CanvasNoteEvent::hide_channel_selector));
155 _channel_selector_widget = new Widget(*(_item->property_parent()),
158 (Gtk::Widget &) *_channel_selector);
160 _channel_selector_widget->hide();
161 _channel_selector_widget->property_height() = 100;
162 _channel_selector_widget->property_width() = 100;
163 _channel_selector_widget->raise_to_top();
164 _channel_selector_widget->show();
166 _region.set_channel_selector_scoped_note(this);
168 hide_channel_selector();
173 CanvasNoteEvent::hide_channel_selector(void)
175 if (_channel_selector_widget) {
176 _channel_selector_widget->hide();
177 delete _channel_selector_widget;
178 _channel_selector_widget = 0;
183 CanvasNoteEvent::set_selected(bool selected)
189 _selected = selected;
190 set_fill_color (base_color ());
193 set_outline_color(calculate_outline(ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get()));
195 if(_region.channel_selector_scoped_note() != 0){
196 _region.channel_selector_scoped_note()->hide_channel_selector();
197 _region.set_channel_selector_scoped_note(0);
200 set_outline_color(calculate_outline(base_color()));
201 hide_channel_selector();
206 #define SCALE_USHORT_TO_UINT8_T(x) ((x) / 257)
209 CanvasNoteEvent::base_color()
211 using namespace ARDOUR;
213 ColorMode mode = _region.color_mode();
215 const uint8_t min_opacity = 15;
216 uint8_t opacity = std::max(min_opacity, uint8_t(_note->velocity() + _note->velocity()));
221 Gdk::Color color = _region.midi_stream_view()->get_region_color();
222 return UINT_INTERPOLATE (RGBA_TO_UINT(
223 SCALE_USHORT_TO_UINT8_T(color.get_red()),
224 SCALE_USHORT_TO_UINT8_T(color.get_green()),
225 SCALE_USHORT_TO_UINT8_T(color.get_blue()),
227 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(), 0.5);
231 return UINT_INTERPOLATE (UINT_RGBA_CHANGE_A (CanvasNoteEvent::midi_channel_colors[_note->channel()],
233 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(), 0.5);
236 return meter_style_fill_color(_note->velocity(), selected());
243 CanvasNoteEvent::set_mouse_fractions (GdkEvent* ev)
246 double bx1, bx2, by1, by2;
247 bool set_cursor = false;
250 case GDK_MOTION_NOTIFY:
255 case GDK_ENTER_NOTIFY:
260 case GDK_BUTTON_PRESS:
261 case GDK_BUTTON_RELEASE:
266 _mouse_x_fraction = -1.0;
267 _mouse_y_fraction = -1.0;
271 _item->get_bounds (bx1, by1, bx2, by2);
273 /* hmm, something wrong here. w2i should give item-local coordinates
274 but it doesn't. for now, finesse this.
279 /* fraction of width/height */
284 xf = ix / (bx2 - bx1);
285 yf = iy / (by2 - by1);
287 if (xf != _mouse_x_fraction || yf != _mouse_y_fraction) {
291 _mouse_x_fraction = xf;
292 _mouse_y_fraction = yf;
295 _region.note_mouse_position (_mouse_x_fraction, _mouse_y_fraction, set_cursor);
300 CanvasNoteEvent::on_event(GdkEvent* ev)
302 if (!_region.get_time_axis_view().editor().internal_editing()) {
307 case GDK_ENTER_NOTIFY:
308 set_mouse_fractions (ev);
309 _region.note_entered (this);
312 case GDK_LEAVE_NOTIFY:
313 set_mouse_fractions (ev);
314 _region.note_left (this);
317 case GDK_MOTION_NOTIFY:
318 set_mouse_fractions (ev);
321 case GDK_BUTTON_PRESS:
322 set_mouse_fractions (ev);
323 if (ev->button.button == 3 && Keyboard::no_modifiers_active (ev->button.state) && _selected) {
324 show_channel_selector();
329 case GDK_BUTTON_RELEASE:
330 set_mouse_fractions (ev);
331 if (ev->button.button == 3 && Keyboard::no_modifiers_active (ev->button.state)) {
344 CanvasNoteEvent::mouse_near_ends () const
346 return (_mouse_x_fraction >= 0.0 && _mouse_x_fraction < 0.25) ||
347 (_mouse_x_fraction >= 0.75 && _mouse_x_fraction < 1.0);
350 } // namespace Canvas