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 bool NoteBase::_color_init = false;
48 Gtkmm2ext::Color NoteBase::_selected_col = 0;
49 Gtkmm2ext::SVAModifier NoteBase::color_modifier;
50 Gtkmm2ext::Color NoteBase::velocity_color_table[128];
53 NoteBase::set_colors ()
55 for (uint8_t i = 0; i < 128; ++i) {
56 velocity_color_table[i] = 0; /* out of bounds because zero alpha makes no sense */
58 _selected_col = UIConfiguration::instance().color ("midi note selected outline");
59 color_modifier = UIConfiguration::instance().modifier ("midi note");
62 NoteBase::NoteBase(MidiRegionView& region, bool with_events, const boost::shared_ptr<NoteType> note)
68 , _with_events (with_events)
71 , _mouse_x_fraction (-1.0)
72 , _mouse_y_fraction (-1.0)
75 NoteBase::set_colors();
82 _region.note_deleted (this);
88 NoteBase::set_item (Item* item)
91 _item->set_data ("notebase", this);
94 _item->Event.connect (sigc::mem_fun (*this, &NoteBase::event_handler));
99 NoteBase::invalidate ()
105 NoteBase::validate ()
111 NoteBase::show_velocity()
114 _text = new Text (_item->parent ());
115 _text->set_ignore_events (true);
116 _text->set_color (UIConfiguration::instance().color_mod ("midi note velocity text", "midi note velocity text"));
117 _text->set_alignment (Pango::ALIGN_CENTER);
120 _text->set_x_position ((x0() + x1()) / 2);
121 _text->set_y_position ((y0() + y1()) / 2);
122 ostringstream velo(ios::ate);
123 velo << int(_note->velocity());
124 _text->set (velo.str ());
126 _text->raise_to_top();
130 NoteBase::hide_velocity()
137 NoteBase::on_channel_selection_change(uint16_t selection)
139 // make note change its color if its channel is not marked active
140 if ( (selection & (1 << _note->channel())) == 0 ) {
141 const Gtkmm2ext::Color inactive_ch = UIConfiguration::instance().color ("midi note inactive channel");
142 set_fill_color(inactive_ch);
143 set_outline_color(calculate_outline(inactive_ch, _selected));
145 // set the color according to the notes selection state
146 set_selected(_selected);
148 // this forces the item to update..... maybe slow...
154 NoteBase::on_channel_change(uint8_t channel)
156 _region.note_selected(this, true);
157 _region.change_channel(channel);
161 NoteBase::set_selected(bool selected)
167 _selected = selected;
169 const uint32_t base_col = base_color();
170 set_fill_color (base_col);
172 set_outline_color(calculate_outline(base_col, _selected));
175 #define SCALE_USHORT_TO_UINT8_T(x) ((x) / 257)
178 NoteBase::base_color()
180 using namespace ARDOUR;
182 ColorMode mode = _region.color_mode();
184 const uint8_t min_opacity = 15;
185 uint8_t opacity = std::max(min_opacity, uint8_t(_note->velocity() + _note->velocity()));
190 const uint32_t region_color = _region.midi_stream_view()->get_region_color();
191 return UINT_INTERPOLATE (UINT_RGBA_CHANGE_A (region_color, opacity), _selected_col,
196 return UINT_INTERPOLATE (UINT_RGBA_CHANGE_A (NoteBase::midi_channel_colors[_note->channel()], opacity),
200 if (UIConfiguration::instance().get_use_note_color_for_velocity()) {
201 return meter_style_fill_color(_note->velocity(), selected());
203 const uint32_t region_color = _region.midi_stream_view()->get_region_color();
204 return UINT_INTERPOLATE (UINT_RGBA_CHANGE_A (region_color, opacity), _selected_col,
213 NoteBase::set_mouse_fractions (GdkEvent* ev)
216 bool set_cursor = false;
219 case GDK_MOTION_NOTIFY:
224 case GDK_ENTER_NOTIFY:
229 case GDK_BUTTON_PRESS:
230 case GDK_BUTTON_RELEASE:
235 _mouse_x_fraction = -1.0;
236 _mouse_y_fraction = -1.0;
240 boost::optional<ArdourCanvas::Rect> bbox = _item->bounding_box ();
243 _item->canvas_to_item (ix, iy);
245 /* hmm, something wrong here. w2i should give item-local coordinates
246 but it doesn't. for now, finesse this.
248 ix = ix - bbox.get().x0;
249 iy = iy - bbox.get().y0;
251 /* fraction of width/height */
256 xf = ix / bbox.get().width ();
257 yf = iy / bbox.get().height ();
259 if (xf != _mouse_x_fraction || yf != _mouse_y_fraction) {
263 _mouse_x_fraction = xf;
264 _mouse_y_fraction = yf;
267 if (big_enough_to_trim()) {
268 _region.note_mouse_position (_mouse_x_fraction, _mouse_y_fraction, set_cursor);
270 /* pretend the mouse is in the middle, because this is not big enough
273 _region.note_mouse_position (0.5, 0.5, set_cursor);
279 NoteBase::event_handler (GdkEvent* ev)
281 PublicEditor& editor = _region.get_time_axis_view().editor();
282 if (!editor.internal_editing()) {
287 case GDK_ENTER_NOTIFY:
288 _region.note_entered (this);
289 set_mouse_fractions (ev);
292 case GDK_LEAVE_NOTIFY:
293 set_mouse_fractions (ev);
294 _region.note_left (this);
297 case GDK_MOTION_NOTIFY:
298 set_mouse_fractions (ev);
301 case GDK_BUTTON_PRESS:
302 set_mouse_fractions (ev);
305 case GDK_BUTTON_RELEASE:
306 set_mouse_fractions (ev);
313 return editor.canvas_note_event (ev, _item);
317 NoteBase::mouse_near_ends () const
319 return (_mouse_x_fraction >= 0.0 && _mouse_x_fraction < 0.25) ||
320 (_mouse_x_fraction >= 0.75 && _mouse_x_fraction < 1.0);
324 NoteBase::big_enough_to_trim () const
326 return (x1() - x0()) > 10;
331 NoteBase::meter_style_fill_color(uint8_t vel, bool /* selected */)
333 /* note that because vel is uint8_t, we don't need bounds checking for
334 the color lookup table.
337 if (velocity_color_table[vel] == 0) {
339 Gtkmm2ext::Color col;
342 col = UINT_INTERPOLATE(UIConfiguration::instance().color ("midi meter color0"), UIConfiguration::instance().color ("midi meter color1"), (vel / 32.0));
343 col = Gtkmm2ext::change_alpha (col, color_modifier.a());
344 } else if (vel < 64) {
345 col = UINT_INTERPOLATE(UIConfiguration::instance().color ("midi meter color2"), UIConfiguration::instance().color ("midi meter color3"), ((vel-32) / 32.0));
346 col = Gtkmm2ext::change_alpha (col, color_modifier.a());
347 } else if (vel < 100) {
348 col = UINT_INTERPOLATE(UIConfiguration::instance().color ("midi meter color4"), UIConfiguration::instance().color ("midi meter color5"), ((vel-64) / 36.0));
349 col = Gtkmm2ext::change_alpha (col, color_modifier.a());
350 } else if (vel < 112) {
351 col = UINT_INTERPOLATE(UIConfiguration::instance().color ("midi meter color6"), UIConfiguration::instance().color ("midi meter color7"), ((vel-100) / 12.0));
352 col = Gtkmm2ext::change_alpha (col, color_modifier.a());
354 col = UINT_INTERPOLATE(UIConfiguration::instance().color ("midi meter color8"), UIConfiguration::instance().color ("midi meter color9"), ((vel-112) / 17.0));
355 col = Gtkmm2ext::change_alpha (col, color_modifier.a());
358 velocity_color_table[vel] = col;
362 return velocity_color_table[vel];