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 "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)
58 , _channel_selection (0xffff)
62 CanvasNoteEvent::~CanvasNoteEvent()
64 CanvasNoteEventDeleted (this);
71 delete _channel_selector_widget;
75 CanvasNoteEvent::invalidate ()
81 CanvasNoteEvent::validate ()
87 CanvasNoteEvent::show_velocity()
90 _text = new NoEventText (*(_item->property_parent()));
91 _text->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiNoteVelocityText.get();
92 _text->property_justification() = Gtk::JUSTIFY_CENTER;
95 _text->property_x() = (x1() + x2()) /2;
96 _text->property_y() = (y1() + y2()) /2;
97 ostringstream velo(ios::ate);
98 velo << int(_note->velocity());
99 _text->property_text() = velo.str();
101 _text->raise_to_top();
105 CanvasNoteEvent::hide_velocity()
115 CanvasNoteEvent::on_channel_selection_change(uint16_t selection)
117 _channel_selection = selection;
119 /* this takes into account whether or not the note should be drawn as inactive */
120 set_selected (_selected);
122 // this forces the item to update..... maybe slow...
128 CanvasNoteEvent::on_channel_change(uint8_t channel)
130 _region.note_selected(this, true);
131 hide_channel_selector();
132 _region.change_channel(channel);
136 CanvasNoteEvent::show_channel_selector(void)
138 if (_channel_selector_widget == 0) {
140 if(_region.channel_selector_scoped_note() != 0){
141 _region.channel_selector_scoped_note()->hide_channel_selector();
142 _region.set_channel_selector_scoped_note(0);
145 SingleMidiChannelSelector* _channel_selector = new SingleMidiChannelSelector(_note->channel());
146 _channel_selector->show_all();
147 _channel_selector->channel_selected.connect(
148 sigc::mem_fun(this, &CanvasNoteEvent::on_channel_change));
150 _channel_selector->clicked.connect (
151 sigc::mem_fun (this, &CanvasNoteEvent::hide_channel_selector));
153 _channel_selector_widget = new Widget(*(_item->property_parent()),
156 (Gtk::Widget &) *_channel_selector);
158 _channel_selector_widget->hide();
159 _channel_selector_widget->property_height() = 100;
160 _channel_selector_widget->property_width() = 100;
161 _channel_selector_widget->raise_to_top();
162 _channel_selector_widget->show();
164 _region.set_channel_selector_scoped_note(this);
166 hide_channel_selector();
171 CanvasNoteEvent::hide_channel_selector(void)
173 if (_channel_selector_widget) {
174 _channel_selector_widget->hide();
175 delete _channel_selector_widget;
176 _channel_selector_widget = 0;
181 CanvasNoteEvent::set_selected(bool selected)
187 _selected = selected;
189 bool const active = (_channel_selection & (1 << _note->channel())) != 0;
191 if (_selected && active) {
192 set_outline_color(calculate_outline(ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get()));
194 if(_region.channel_selector_scoped_note() != 0){
195 _region.channel_selector_scoped_note()->hide_channel_selector();
196 _region.set_channel_selector_scoped_note(0);
199 set_fill_color (base_color ());
204 set_fill_color(base_color());
205 set_outline_color(calculate_outline(base_color()));
207 set_fill_color(ARDOUR_UI::config()->canvasvar_MidiNoteInactiveChannel.get());
208 set_outline_color(calculate_outline(ARDOUR_UI::config()->canvasvar_MidiNoteInactiveChannel.get()));
211 hide_channel_selector();
215 #define SCALE_USHORT_TO_UINT8_T(x) ((x) / 257)
218 CanvasNoteEvent::base_color()
220 using namespace ARDOUR;
222 ColorMode mode = _region.color_mode();
224 const uint8_t min_opacity = 15;
225 uint8_t opacity = std::max(min_opacity, uint8_t(_note->velocity() + _note->velocity()));
230 Gdk::Color color = _region.midi_stream_view()->get_region_color();
231 return UINT_INTERPOLATE (RGBA_TO_UINT(
232 SCALE_USHORT_TO_UINT8_T(color.get_red()),
233 SCALE_USHORT_TO_UINT8_T(color.get_green()),
234 SCALE_USHORT_TO_UINT8_T(color.get_blue()),
236 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(), 0.5);
240 return UINT_INTERPOLATE (UINT_RGBA_CHANGE_A (CanvasNoteEvent::midi_channel_colors[_note->channel()],
242 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(), 0.5);
245 return meter_style_fill_color(_note->velocity(), selected());
252 CanvasNoteEvent::set_mouse_fractions (GdkEvent* ev)
255 double bx1, bx2, by1, by2;
256 bool set_cursor = false;
259 case GDK_MOTION_NOTIFY:
264 case GDK_ENTER_NOTIFY:
269 case GDK_BUTTON_PRESS:
270 case GDK_BUTTON_RELEASE:
275 _mouse_x_fraction = -1.0;
276 _mouse_y_fraction = -1.0;
280 _item->get_bounds (bx1, by1, bx2, by2);
282 /* hmm, something wrong here. w2i should give item-local coordinates
283 but it doesn't. for now, finesse this.
288 /* fraction of width/height */
293 xf = ix / (bx2 - bx1);
294 yf = iy / (by2 - by1);
296 if (xf != _mouse_x_fraction || yf != _mouse_y_fraction) {
300 _mouse_x_fraction = xf;
301 _mouse_y_fraction = yf;
304 if (big_enough_to_trim()) {
305 _region.note_mouse_position (_mouse_x_fraction, _mouse_y_fraction, set_cursor);
307 /* pretend the mouse is in the middle, because this is not big enough
310 _region.note_mouse_position (0.5, 0.5, set_cursor);
316 CanvasNoteEvent::on_event(GdkEvent* ev)
318 if (!_region.get_time_axis_view().editor().internal_editing()) {
323 case GDK_ENTER_NOTIFY:
324 set_mouse_fractions (ev);
325 _region.note_entered (this);
328 case GDK_LEAVE_NOTIFY:
329 set_mouse_fractions (ev);
330 _region.note_left (this);
333 case GDK_MOTION_NOTIFY:
334 set_mouse_fractions (ev);
337 case GDK_BUTTON_PRESS:
338 set_mouse_fractions (ev);
339 if (ev->button.button == 3 && Keyboard::no_modifiers_active (ev->button.state) && _selected) {
340 show_channel_selector();
345 case GDK_BUTTON_RELEASE:
346 set_mouse_fractions (ev);
347 if (ev->button.button == 3 && Keyboard::no_modifiers_active (ev->button.state)) {
360 CanvasNoteEvent::mouse_near_ends () const
362 return (_mouse_x_fraction >= 0.0 && _mouse_x_fraction < 0.25) ||
363 (_mouse_x_fraction >= 0.75 && _mouse_x_fraction < 1.0);
367 CanvasNoteEvent::big_enough_to_trim () const
369 return (x2() - x1()) > 20; /* canvas units, really pixels */
372 } // namespace Canvas