2 Copyright (C) 2007 Paul Davis
3 Author: David Robillard
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 "evoral/Note.hpp"
26 #include "canvas/text.h"
28 #include "note_base.h"
29 #include "public_editor.h"
30 #include "editing_syms.h"
32 #include "midi_region_view.h"
35 using namespace Gtkmm2ext;
36 using ARDOUR::MidiModel;
37 using namespace ArdourCanvas;
39 /// dividing the hue circle in 16 parts, hand adjusted for equal look, courtesy Thorsten Wilms
40 const uint32_t NoteBase::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 NoteBase::NoteBase(MidiRegionView& region, bool with_events, const boost::shared_ptr<NoteType> note)
53 , _with_events (with_events)
56 , _mouse_x_fraction (-1.0)
57 , _mouse_y_fraction (-1.0)
63 _region.note_deleted (this);
69 NoteBase::set_item (Item* item)
72 _item->set_data ("notebase", this);
75 _item->Event.connect (sigc::mem_fun (*this, &NoteBase::event_handler));
80 NoteBase::invalidate ()
92 NoteBase::show_velocity()
95 _text = new Text (_item->parent ());
96 _text->set_ignore_events (true);
97 _text->set_color (UIConfiguration::instance().color_mod ("midi note velocity text", "midi note velocity text"));
98 _text->set_alignment (Pango::ALIGN_CENTER);
101 _text->set_x_position ((x0() + x1()) / 2);
102 _text->set_y_position ((y0() + y1()) / 2);
103 ostringstream velo(ios::ate);
104 velo << int(_note->velocity());
105 _text->set (velo.str ());
107 _text->raise_to_top();
111 NoteBase::hide_velocity()
118 NoteBase::on_channel_selection_change(uint16_t selection)
120 // make note change its color if its channel is not marked active
121 if ( (selection & (1 << _note->channel())) == 0 ) {
122 set_fill_color(UIConfiguration::instance().color ("midi note inactive channel"));
123 set_outline_color(calculate_outline(UIConfiguration::instance().color ("midi note inactive channel"),
126 // set the color according to the notes selection state
127 set_selected(_selected);
129 // this forces the item to update..... maybe slow...
135 NoteBase::on_channel_change(uint8_t channel)
137 _region.note_selected(this, true);
138 _region.change_channel(channel);
142 NoteBase::set_selected(bool selected)
148 _selected = selected;
149 set_fill_color (base_color());
151 set_outline_color(calculate_outline(base_color(), _selected));
154 #define SCALE_USHORT_TO_UINT8_T(x) ((x) / 257)
157 NoteBase::base_color()
159 using namespace ARDOUR;
161 ColorMode mode = _region.color_mode();
163 const uint8_t min_opacity = 15;
164 uint8_t opacity = std::max(min_opacity, uint8_t(_note->velocity() + _note->velocity()));
169 uint32_t color = _region.midi_stream_view()->get_region_color();
170 return UINT_INTERPOLATE (UINT_RGBA_CHANGE_A (color, opacity),
171 UIConfiguration::instance().color ("midi note selected"),
176 return UINT_INTERPOLATE (UINT_RGBA_CHANGE_A (NoteBase::midi_channel_colors[_note->channel()], opacity),
177 UIConfiguration::instance().color ("midi note selected"), 0.5);
180 return meter_style_fill_color(_note->velocity(), selected());
187 NoteBase::set_mouse_fractions (GdkEvent* ev)
190 bool set_cursor = false;
193 case GDK_MOTION_NOTIFY:
198 case GDK_ENTER_NOTIFY:
203 case GDK_BUTTON_PRESS:
204 case GDK_BUTTON_RELEASE:
209 _mouse_x_fraction = -1.0;
210 _mouse_y_fraction = -1.0;
214 boost::optional<ArdourCanvas::Rect> bbox = _item->bounding_box ();
217 _item->canvas_to_item (ix, iy);
219 /* hmm, something wrong here. w2i should give item-local coordinates
220 but it doesn't. for now, finesse this.
222 ix = ix - bbox.get().x0;
223 iy = iy - bbox.get().y0;
225 /* fraction of width/height */
230 xf = ix / bbox.get().width ();
231 yf = iy / bbox.get().height ();
233 if (xf != _mouse_x_fraction || yf != _mouse_y_fraction) {
237 _mouse_x_fraction = xf;
238 _mouse_y_fraction = yf;
241 if (big_enough_to_trim()) {
242 _region.note_mouse_position (_mouse_x_fraction, _mouse_y_fraction, set_cursor);
244 /* pretend the mouse is in the middle, because this is not big enough
247 _region.note_mouse_position (0.5, 0.5, set_cursor);
253 NoteBase::event_handler (GdkEvent* ev)
255 PublicEditor& editor = _region.get_time_axis_view().editor();
256 if (!editor.internal_editing()) {
261 case GDK_ENTER_NOTIFY:
262 _region.note_entered (this);
263 set_mouse_fractions (ev);
266 case GDK_LEAVE_NOTIFY:
267 set_mouse_fractions (ev);
268 _region.note_left (this);
271 case GDK_MOTION_NOTIFY:
272 set_mouse_fractions (ev);
275 case GDK_BUTTON_PRESS:
276 set_mouse_fractions (ev);
279 case GDK_BUTTON_RELEASE:
280 set_mouse_fractions (ev);
287 return editor.canvas_note_event (ev, _item);
291 NoteBase::mouse_near_ends () const
293 return (_mouse_x_fraction >= 0.0 && _mouse_x_fraction < 0.25) ||
294 (_mouse_x_fraction >= 0.75 && _mouse_x_fraction < 1.0);
298 NoteBase::big_enough_to_trim () const
300 return (x1() - x0()) > 10;