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 uint32_t NoteBase::_selected_mod_col = 0;
49 uint32_t NoteBase::_selected_outline_col = 0;
50 uint32_t NoteBase::_selected_col = 0;
51 uint32_t NoteBase::_min_col = 0;
52 uint32_t NoteBase::_mid_col = 0;
53 uint32_t NoteBase::_max_col = 0;
56 NoteBase::set_colors ()
58 _selected_mod_col = UIConfiguration::instance().color_mod ("midi note selected", "midi note");
59 _selected_outline_col = UIConfiguration::instance().color ("midi note selected outline");
60 _selected_col = UIConfiguration::instance().color ("midi note selected");
61 _min_col = UIConfiguration::instance().color_mod ("midi note min", "midi note");
62 _mid_col = UIConfiguration::instance().color_mod ("midi note mid", "midi note");
63 _max_col = UIConfiguration::instance().color_mod ("midi note max", "midi note");
66 NoteBase::NoteBase(MidiRegionView& region, bool with_events, const boost::shared_ptr<NoteType> note)
72 , _with_events (with_events)
75 , _mouse_x_fraction (-1.0)
76 , _mouse_y_fraction (-1.0)
79 NoteBase::set_colors();
86 _region.note_deleted (this);
92 NoteBase::set_item (Item* item)
95 _item->set_data ("notebase", this);
98 _item->Event.connect (sigc::mem_fun (*this, &NoteBase::event_handler));
103 NoteBase::invalidate ()
109 NoteBase::validate ()
115 NoteBase::show_velocity()
118 _text = new Text (_item->parent ());
119 _text->set_ignore_events (true);
120 _text->set_color (UIConfiguration::instance().color_mod ("midi note velocity text", "midi note velocity text"));
121 _text->set_alignment (Pango::ALIGN_CENTER);
124 _text->set_x_position ((x0() + x1()) / 2);
125 _text->set_y_position ((y0() + y1()) / 2);
126 ostringstream velo(ios::ate);
127 velo << int(_note->velocity());
128 _text->set (velo.str ());
130 _text->raise_to_top();
134 NoteBase::hide_velocity()
141 NoteBase::on_channel_selection_change(uint16_t selection)
143 // make note change its color if its channel is not marked active
144 if ( (selection & (1 << _note->channel())) == 0 ) {
145 const Gtkmm2ext::Color inactive_ch = UIConfiguration::instance().color ("midi note inactive channel");
146 set_fill_color(inactive_ch);
147 set_outline_color(calculate_outline(inactive_ch, _selected));
149 // set the color according to the notes selection state
150 set_selected(_selected);
152 // this forces the item to update..... maybe slow...
158 NoteBase::on_channel_change(uint8_t channel)
160 _region.note_selected(this, true);
161 _region.change_channel(channel);
165 NoteBase::set_selected(bool selected)
171 _selected = selected;
173 const uint32_t base_col = base_color();
174 set_fill_color (base_col);
176 set_outline_color(calculate_outline(base_col, _selected));
179 #define SCALE_USHORT_TO_UINT8_T(x) ((x) / 257)
182 NoteBase::base_color()
184 using namespace ARDOUR;
186 ColorMode mode = _region.color_mode();
188 const uint8_t min_opacity = 15;
189 uint8_t opacity = std::max(min_opacity, uint8_t(_note->velocity() + _note->velocity()));
194 const uint32_t region_color = _region.midi_stream_view()->get_region_color();
195 return UINT_INTERPOLATE (UINT_RGBA_CHANGE_A (region_color, opacity), _selected_col,
200 return UINT_INTERPOLATE (UINT_RGBA_CHANGE_A (NoteBase::midi_channel_colors[_note->channel()], opacity),
204 return meter_style_fill_color(_note->velocity(), selected());
211 NoteBase::set_mouse_fractions (GdkEvent* ev)
214 bool set_cursor = false;
217 case GDK_MOTION_NOTIFY:
222 case GDK_ENTER_NOTIFY:
227 case GDK_BUTTON_PRESS:
228 case GDK_BUTTON_RELEASE:
233 _mouse_x_fraction = -1.0;
234 _mouse_y_fraction = -1.0;
238 boost::optional<ArdourCanvas::Rect> bbox = _item->bounding_box ();
241 _item->canvas_to_item (ix, iy);
243 /* hmm, something wrong here. w2i should give item-local coordinates
244 but it doesn't. for now, finesse this.
246 ix = ix - bbox.get().x0;
247 iy = iy - bbox.get().y0;
249 /* fraction of width/height */
254 xf = ix / bbox.get().width ();
255 yf = iy / bbox.get().height ();
257 if (xf != _mouse_x_fraction || yf != _mouse_y_fraction) {
261 _mouse_x_fraction = xf;
262 _mouse_y_fraction = yf;
265 if (big_enough_to_trim()) {
266 _region.note_mouse_position (_mouse_x_fraction, _mouse_y_fraction, set_cursor);
268 /* pretend the mouse is in the middle, because this is not big enough
271 _region.note_mouse_position (0.5, 0.5, set_cursor);
277 NoteBase::event_handler (GdkEvent* ev)
279 PublicEditor& editor = _region.get_time_axis_view().editor();
280 if (!editor.internal_editing()) {
285 case GDK_ENTER_NOTIFY:
286 _region.note_entered (this);
287 set_mouse_fractions (ev);
290 case GDK_LEAVE_NOTIFY:
291 set_mouse_fractions (ev);
292 _region.note_left (this);
295 case GDK_MOTION_NOTIFY:
296 set_mouse_fractions (ev);
299 case GDK_BUTTON_PRESS:
300 set_mouse_fractions (ev);
303 case GDK_BUTTON_RELEASE:
304 set_mouse_fractions (ev);
311 return editor.canvas_note_event (ev, _item);
315 NoteBase::mouse_near_ends () const
317 return (_mouse_x_fraction >= 0.0 && _mouse_x_fraction < 0.25) ||
318 (_mouse_x_fraction >= 0.75 && _mouse_x_fraction < 1.0);
322 NoteBase::big_enough_to_trim () const
324 return (x1() - x0()) > 10;