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.
21 #include "canvas-note-event.h"
22 #include "midi_region_view.h"
23 #include "public_editor.h"
24 #include "editing_syms.h"
28 using ARDOUR::MidiModel;
33 /// dividing the hue circle in 16 parts, hand adjusted for equal look, courtesy Thorsten Wilms
34 const uint32_t CanvasNoteEvent::midi_channel_colors[16] = {
35 0xd32d2dff, 0xd36b2dff, 0xd3972dff, 0xd3d12dff,
36 0xa0d32dff, 0x7dd32dff, 0x2dd45eff, 0x2dd3c4ff,
37 0x2da5d3ff, 0x2d6fd3ff, 0x432dd3ff, 0x662dd3ff,
38 0x832dd3ff, 0xa92dd3ff, 0xd32dbfff, 0xd32d67ff
41 CanvasNoteEvent::CanvasNoteEvent(MidiRegionView& region, Item* item,
42 const boost::shared_ptr<NoteType> note)
46 , _channel_selector_widget()
53 CanvasNoteEvent::~CanvasNoteEvent()
60 delete _channel_selector_widget;
64 CanvasNoteEvent::move_event(double dx, double dy)
75 CanvasNoteEvent::show_velocity()
78 _text = new InteractiveText(*(_item->property_parent()), this);
80 _text->property_x() = (x1() + x2()) /2;
81 _text->property_y() = (y1() + y2()) /2;
82 ostringstream velo(ios::ate);
83 velo << int(_note->velocity());
84 _text->property_text() = velo.str();
85 _text->property_justification() = Gtk::JUSTIFY_CENTER;
86 _text->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiNoteVelocityText.get();
88 _text->raise_to_top();
92 CanvasNoteEvent::hide_velocity()
102 CanvasNoteEvent::on_channel_selection_change(uint16_t selection)
104 // make note change its color if its channel is not marked active
105 if ( (selection & (1 << _note->channel())) == 0 ) {
106 set_fill_color(ARDOUR_UI::config()->canvasvar_MidiNoteInactiveChannel.get());
107 set_outline_color(calculate_outline(ARDOUR_UI::config()->canvasvar_MidiNoteInactiveChannel.get()));
109 // set the color according to the notes selection state
112 // this forces the item to update..... maybe slow...
118 CanvasNoteEvent::on_channel_change(uint8_t channel)
120 _region.note_selected(this, true);
121 hide_channel_selector();
122 _region.change_channel(channel);
126 CanvasNoteEvent::show_channel_selector(void)
128 if (_channel_selector_widget == 0) {
129 cerr << "Note has channel: " << int(_note->channel()) << endl;
130 SingleMidiChannelSelector* _channel_selector = new SingleMidiChannelSelector(_note->channel());
131 _channel_selector->show_all();
132 _channel_selector->channel_selected.connect(
133 sigc::mem_fun(this, &CanvasNoteEvent::on_channel_change));
135 _channel_selector_widget = new Widget(*(_item->property_parent()),
138 (Gtk::Widget &) *_channel_selector);
140 _channel_selector_widget->hide();
141 _channel_selector_widget->property_height() = 100;
142 _channel_selector_widget->property_width() = 100;
143 _channel_selector_widget->raise_to_top();
144 _channel_selector_widget->show();
146 hide_channel_selector();
151 CanvasNoteEvent::hide_channel_selector(void)
153 if (_channel_selector_widget) {
154 _channel_selector_widget->hide();
155 delete _channel_selector_widget;
156 _channel_selector_widget = 0;
161 CanvasNoteEvent::selected(bool selected)
165 } else if (selected) {
166 set_fill_color(UINT_INTERPOLATE(base_color(),
167 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(), 0.5));
168 set_outline_color(calculate_outline(
169 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get()));
171 set_fill_color(base_color());
172 set_outline_color(calculate_outline(base_color()));
175 _selected = selected;
178 #define SCALE_USHORT_TO_UINT8_T(x) ((x) / 257)
181 CanvasNoteEvent::base_color()
183 using namespace ARDOUR;
185 ColorMode mode = _region.color_mode();
187 const uint8_t min_opacity = 15;
188 uint8_t opacity = std::max(min_opacity, uint8_t(_note->velocity() + _note->velocity()));
193 Gdk::Color color = _region.midi_stream_view()->get_region_color();
195 SCALE_USHORT_TO_UINT8_T(color.get_red()),
196 SCALE_USHORT_TO_UINT8_T(color.get_green()),
197 SCALE_USHORT_TO_UINT8_T(color.get_blue()),
202 return UINT_RGBA_CHANGE_A(CanvasNoteEvent::midi_channel_colors[_note->channel()],
206 return meter_style_fill_color(_note->velocity());
213 CanvasNoteEvent::on_event(GdkEvent* ev)
215 PublicEditor& editor (_region.get_time_axis_view().editor());
217 if (!editor.internal_editing()) {
221 MidiStreamView *streamview = _region.midi_stream_view();
222 static uint8_t drag_delta_note = 0;
223 static double drag_delta_x = 0;
224 static double last_x, last_y;
225 double event_x, event_y, dx, dy;
227 uint8_t d_velocity = 10;
231 if (Keyboard::modifier_state_equals (ev->scroll.state, Keyboard::Level4Modifier)) {
235 if (ev->scroll.direction == GDK_SCROLL_UP) {
236 _region.change_velocity(this, d_velocity, true);
238 } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
239 _region.change_velocity(this, -d_velocity, true);
245 case GDK_ENTER_NOTIFY:
246 _region.note_entered(this);
247 //_item->grab_focus();
249 //Keyboard::magic_widget_grab_focus();
252 case GDK_LEAVE_NOTIFY:
253 //Keyboard::magic_widget_drop_focus();
257 //_region.get_canvas_group()->grab_focus();
260 case GDK_BUTTON_PRESS:
261 if (ev->button.button == 1) {
263 } else if (ev->button.button == 3) {
264 show_channel_selector();
268 case GDK_MOTION_NOTIFY:
269 event_x = ev->motion.x;
270 event_y = ev->motion.y;
273 case Pressed: // Drag begin
274 if (editor.current_mouse_mode() == Editing::MouseRange && _region.mouse_state() != MidiRegionView::SelectTouchDragging) {
275 _item->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
276 Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
278 _item->property_parent().get_value()->w2i(event_x, event_y);
279 event_x = _region.snap_to_pixel(event_x);
284 _region.note_selected(this, true);
288 case Dragging: // Drag motion
289 if (ev->motion.is_hint) {
292 GdkModifierType state;
293 gdk_window_get_pointer(ev->motion.window, &t_x, &t_y, &state);
297 _item->property_parent().get_value()->w2i(event_x, event_y);
299 event_x = _region.snap_to_pixel(event_x);
301 dx = event_x - last_x;
302 dy = event_y - last_y;
308 if (abs(dy) < streamview->note_height()) {
311 int8_t this_delta_note;
313 this_delta_note = (int8_t)ceil(dy / streamview->note_height() / 2.0);
315 this_delta_note = (int8_t)floor(dy / streamview->note_height() / 2.0);
317 drag_delta_note -= this_delta_note;
318 dy = streamview->note_height() * this_delta_note;
319 last_y = last_y + dy;
322 _region.move_selection(dx, dy);
330 case GDK_BUTTON_RELEASE:
331 select_mod = (ev->motion.state & (Keyboard::PrimaryModifier | Keyboard::SecondaryModifier));
332 event_x = ev->button.x;
333 event_y = ev->button.y;
334 _item->property_parent().get_value()->w2i(event_x, event_y);
336 if (ev->button.button == 3) {
341 case Pressed: // Clicked
342 if (editor.current_mouse_mode() == Editing::MouseRange) {
344 if (_selected && !select_mod && _region.selection_size() > 1) {
345 _region.unique_select(this);
346 } else if (_selected) {
347 _region.note_deselected(this, select_mod);
349 _region.note_selected(this, select_mod);
352 } else if (midi_edit_mode == Editing::MidiEditErase) {
353 _region.start_delta_command();
354 _region.command_remove_note(this);
355 _region.apply_command();
360 case Dragging: // Dropped
361 _item->ungrab(ev->button.time);
364 _region.note_dropped(this, drag_delta_x, drag_delta_note);
378 } // namespace Canvas