Fix initial display of keys and scroomer on new MIDI tracks. Remove console barf. git-svn-id: svn://localhost/ardour2/trunk@2909 d708f5d6-7413-0410-9779-e7cbd77b26cf
654 lines
16 KiB
C++
654 lines
16 KiB
C++
/*
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Copyright (C) 2008 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <ardour/midi_track.h>
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#include "piano_roll_header.h"
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#include "midi_time_axis.h"
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#include "midi_streamview.h"
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#include <iostream>
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const int no_note = 0xff;
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using namespace std;
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PianoRollHeader::Color PianoRollHeader::white = PianoRollHeader::Color(0.77f, 0.78f, 0.76f);
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PianoRollHeader::Color PianoRollHeader::white_highlight = PianoRollHeader::Color(0.87f, 0.88f, 0.86f);
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PianoRollHeader::Color PianoRollHeader::white_shade_light = PianoRollHeader::Color(0.95f, 0.95f, 0.95f);
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PianoRollHeader::Color PianoRollHeader::white_shade_dark = PianoRollHeader::Color(0.56f, 0.56f, 0.56f);
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PianoRollHeader::Color PianoRollHeader::black = PianoRollHeader::Color(0.24f, 0.24f, 0.24f);
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PianoRollHeader::Color PianoRollHeader::black_highlight = PianoRollHeader::Color(0.30f, 0.30f, 0.30f);
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PianoRollHeader::Color PianoRollHeader::black_shade_light = PianoRollHeader::Color(0.46f, 0.46f, 0.46f);
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PianoRollHeader::Color PianoRollHeader::black_shade_dark = PianoRollHeader::Color(0.1f, 0.1f, 0.1f);
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PianoRollHeader::Color::Color()
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: r(1.0f)
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, g(1.0f)
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, b(1.0f) {
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}
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PianoRollHeader::Color::Color(double _r, double _g, double _b)
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: r(_r)
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, g(_g)
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, b(_b) {
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}
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inline void
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PianoRollHeader::Color::set(const PianoRollHeader::Color& c) {
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r = c.r;
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g = c.g;
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b = c.b;
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}
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PianoRollHeader::PianoRollHeader(MidiStreamView& v)
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: _view(v)
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, _highlighted_note(no_note)
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, _clicked_note(no_note) {
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add_events (Gdk::BUTTON_PRESS_MASK |
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Gdk::BUTTON_RELEASE_MASK |
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Gdk::POINTER_MOTION_MASK |
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Gdk::ENTER_NOTIFY_MASK |
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Gdk::LEAVE_NOTIFY_MASK |
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Gdk::SCROLL_MASK);
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for(int i = 0; i < 128; ++i) {
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_active_notes[i] = false;
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}
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_view.NoteRangeChanged.connect (mem_fun (*this, &PianoRollHeader::note_range_changed));
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}
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inline void
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create_path(Cairo::RefPtr<Cairo::Context> cr, double x[], double y[], int start, int stop) {
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cr->move_to(x[start], y[start]);
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for(int i = start+1; i <= stop; ++i) {
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cr->line_to(x[i], y[i]);
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}
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}
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inline void
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render_rect(Cairo::RefPtr<Cairo::Context> cr, int note, double x[], double y[],
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PianoRollHeader::Color& bg, PianoRollHeader::Color& tl_shadow, PianoRollHeader::Color& br_shadow) {
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cr->set_source_rgb(bg.r, bg.g, bg.b);
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create_path(cr, x, y, 0, 4);
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cr->fill();
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cr->set_source_rgb(tl_shadow.r, tl_shadow.g, tl_shadow.b);
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create_path(cr, x, y, 0, 2);
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cr->stroke();
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cr->set_source_rgb(br_shadow.r, br_shadow.g, br_shadow.b);
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create_path(cr, x, y, 2, 4);
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cr->stroke();
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}
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inline void
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render_cf(Cairo::RefPtr<Cairo::Context> cr, int note, double x[], double y[],
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PianoRollHeader::Color& bg, PianoRollHeader::Color& tl_shadow, PianoRollHeader::Color& br_shadow) {
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cr->set_source_rgb(bg.r, bg.g, bg.b);
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create_path(cr, x, y, 0, 6);
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cr->fill();
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cr->set_source_rgb(tl_shadow.r, tl_shadow.g, tl_shadow.b);
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create_path(cr, x, y, 0, 4);
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cr->stroke();
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cr->set_source_rgb(br_shadow.r, br_shadow.g, br_shadow.b);
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create_path(cr, x, y, 4, 6);
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cr->stroke();
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}
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inline void
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render_eb(Cairo::RefPtr<Cairo::Context> cr, int note, double x[], double y[],
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PianoRollHeader::Color& bg, PianoRollHeader::Color& tl_shadow, PianoRollHeader::Color& br_shadow) {
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cr->set_source_rgb(bg.r, bg.g, bg.b);
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create_path(cr, x, y, 0, 6);
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cr->fill();
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cr->set_source_rgb(tl_shadow.r, tl_shadow.g, tl_shadow.b);
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create_path(cr, x, y, 0, 2);
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cr->stroke();
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create_path(cr, x, y, 4, 5);
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cr->stroke();
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cr->set_source_rgb(br_shadow.r, br_shadow.g, br_shadow.b);
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create_path(cr, x, y, 2, 4);
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cr->stroke();
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create_path(cr, x, y, 5, 6);
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cr->stroke();
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}
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inline void
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render_dga(Cairo::RefPtr<Cairo::Context> cr, int note, double x[], double y[],
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PianoRollHeader::Color& bg, PianoRollHeader::Color& tl_shadow, PianoRollHeader::Color& br_shadow) {
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cr->set_source_rgb(bg.r, bg.g, bg.b);
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create_path(cr, x, y, 0, 8);
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cr->fill();
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cr->set_source_rgb(tl_shadow.r, tl_shadow.g, tl_shadow.b);
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create_path(cr, x, y, 0, 4);
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cr->stroke();
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create_path(cr, x, y, 6, 7);
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cr->stroke();
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cr->set_source_rgb(br_shadow.r, br_shadow.g, br_shadow.b);
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create_path(cr, x, y, 4, 6);
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cr->stroke();
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create_path(cr, x, y, 7, 8);
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cr->stroke();
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}
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void
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PianoRollHeader::get_path(PianoRollHeader::ItemType note_type, int note, double x[], double y[]) {
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double y_pos = floor(_view.note_to_y(note)) - 0.5f;
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double note_height;
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double other_y1 = floor(_view.note_to_y(note+1)) + floor(_note_height / 2.0f) + 0.5f;
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double other_y2 = floor(_view.note_to_y(note-1)) + floor(_note_height / 2.0f) - 1.0f;
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double width = get_width();
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if(note == 0) {
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note_height = floor(_view.contents_height()) - y_pos;
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}
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else {
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note_height = floor(_view.note_to_y(note - 1)) - y_pos;
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}
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switch(note_type) {
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case BLACK_SEPARATOR:
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x[0] = 1.5f;
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y[0] = y_pos;
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x[1] = _black_note_width;
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y[1] = y_pos;
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break;
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case BLACK_MIDDLE_SEPARATOR:
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x[0] = _black_note_width;
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y[0] = y_pos + floor(_note_height / 2.0f);
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x[1] = width - 1.0f;
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y[1] = y[0];
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break;
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case BLACK:
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x[0] = 1.5f;
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y[0] = y_pos + note_height - 0.5f;
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x[1] = 1.5f;
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y[1] = y_pos + 1.0f;
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x[2] = _black_note_width;
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y[2] = y_pos + 1.0f;
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x[3] = _black_note_width;
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y[3] = y_pos + note_height - 0.5f;
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x[4] = 1.5f;
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y[4] = y_pos + note_height - 0.5f;
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return;
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case WHITE_SEPARATOR:
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x[0] = 1.5f;
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y[0] = y_pos;
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x[1] = width - 1.5f;
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y[1] = y_pos;
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break;
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case WHITE_RECT:
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x[0] = 1.5f;
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y[0] = y_pos + note_height - 0.5f;
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x[1] = 1.5f;
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y[1] = y_pos + 1.0f;
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x[2] = width - 1.5f;
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y[2] = y_pos + 1.0f;
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x[3] = width - 1.5f;
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y[3] = y_pos + note_height - 0.5f;
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x[4] = 1.5f;
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y[4] = y_pos + note_height - 0.5f;
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return;
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case WHITE_CF:
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x[0] = 1.5f;
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y[0] = y_pos + note_height - 1.5f;
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x[1] = 1.5f;
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y[1] = y_pos + 1.0f;
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x[2] = _black_note_width + 1.0f;
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y[2] = y_pos + 1.0f;
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x[3] = _black_note_width + 1.0f;
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y[3] = other_y1;
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x[4] = width - 1.5f;
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y[4] = other_y1;
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x[5] = width - 1.5f;
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y[5] = y_pos + note_height - 1.5f;
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x[6] = 1.5f;
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y[6] = y_pos + note_height - 1.5f;
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return;
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case WHITE_EB:
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x[0] = 1.5f;
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y[0] = y_pos + note_height - 1.5f;
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x[1] = 1.5f;
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y[1] = y_pos + 1.0f;
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x[2] = width - 1.5f;
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y[2] = y_pos + 1.0f;
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x[3] = width - 1.5f;
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y[3] = other_y2;
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x[4] = _black_note_width + 1.0f;
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y[4] = other_y2;
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x[5] = _black_note_width + 1.0f;
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y[5] = y_pos + note_height - 1.5f;
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x[6] = 1.5f;
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y[6] = y_pos + note_height - 1.5f;
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return;
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case WHITE_DGA:
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x[0] = 1.5f;
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y[0] = y_pos + note_height - 1.5f;
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x[1] = 1.5f;
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y[1] = y_pos + 1.0f;
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x[2] = _black_note_width + 1.0f;
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y[2] = y_pos + 1.0f;
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x[3] = _black_note_width + 1.0f;
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y[3] = other_y1;
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x[4] = width - 1.5f;
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y[4] = other_y1;
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x[5] = width - 1.5f;
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y[5] = other_y2;
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x[6] = _black_note_width + 1.0f;
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y[6] = other_y2;
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x[7] = _black_note_width + 1.0f;
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y[7] = y_pos + note_height - 1.5f;
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x[8] = 1.5f;
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y[8] = y_pos + note_height - 1.5f;
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return;
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default:
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return;
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}
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}
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bool
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PianoRollHeader::on_expose_event (GdkEventExpose* ev) {
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GdkRectangle& rect = ev->area;
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double font_size;
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int lowest, highest;
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Cairo::RefPtr<Cairo::Context> cr = get_window()->create_cairo_context();
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Cairo::RefPtr<Cairo::LinearGradient> pat = Cairo::LinearGradient::create(0, 0, _black_note_width, 0);
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double x[9];
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double y[9];
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Color bg, tl_shadow, br_shadow;
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int oct_rel;
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int y1 = max(rect.y, 0);
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int y2 = min(rect.y + rect.height, (int) floor(_view.contents_height() - 1.0f));
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//Cairo::TextExtents te;
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lowest = max(_view.lowest_note(), _view.y_to_note(y2));
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highest = min(_view.highest_note(), _view.y_to_note(y1));
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if(lowest > 127) {
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lowest = 0;
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}
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cr->select_font_face ("Georgia", Cairo::FONT_SLANT_NORMAL, Cairo::FONT_WEIGHT_BOLD);
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font_size = min(10.0, _note_height);
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cr->set_font_size(font_size);
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/* fill the entire rect with the color for non-highlighted white notes.
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* then we won't have to draw the background for those notes,
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* and would only have to draw the background for the one highlighted white note*/
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//cr->rectangle(rect.x, rect.y, rect.width, rect.height);
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//cr->set_source_rgb(white.r, white.g, white.b);
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//cr->fill();
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cr->set_line_width(1.0f);
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/* draw vertical lines with shade at both ends of the widget */
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cr->set_source_rgb(0.0f, 0.0f, 0.0f);
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cr->move_to(0.5f, rect.y);
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cr->line_to(0.5f, rect.y + rect.height);
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cr->stroke();
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cr->move_to(get_width() - 0.5f, rect.y);
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cr->line_to(get_width() - 0.5f, rect.y + rect.height);
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cr->stroke();
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//pat->add_color_stop_rgb(0.0, 0.33, 0.33, 0.33);
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//pat->add_color_stop_rgb(0.2, 0.39, 0.39, 0.39);
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//pat->add_color_stop_rgb(1.0, 0.22, 0.22, 0.22);
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//cr->set_source(pat);
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for(int i = lowest; i <= highest; ++i) {
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oct_rel = i % 12;
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switch(oct_rel) {
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case 1:
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case 3:
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case 6:
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case 8:
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case 10:
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/* black note */
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if(i == _highlighted_note) {
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bg.set(black_highlight);
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}
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else {
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bg.set(black);
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}
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if(_active_notes[i]) {
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tl_shadow.set(black_shade_dark);
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br_shadow.set(black_shade_light);
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}
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else {
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tl_shadow.set(black_shade_light);
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br_shadow.set(black_shade_dark);
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}
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/* draw black separators */
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cr->set_source_rgb(0.0f, 0.0f, 0.0f);
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get_path(BLACK_SEPARATOR, i, x, y);
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create_path(cr, x, y, 0, 1);
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cr->stroke();
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get_path(BLACK_MIDDLE_SEPARATOR, i, x, y);
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create_path(cr, x, y, 0, 1);
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cr->stroke();
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get_path(BLACK, i, x, y);
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render_rect(cr, i, x, y, bg, tl_shadow, br_shadow);
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break;
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default:
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/* white note */
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if(i == _highlighted_note) {
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bg.set(white_highlight);
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}
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else {
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bg.set(white);
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}
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if(_active_notes[i]) {
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tl_shadow.set(white_shade_dark);
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br_shadow.set(white_shade_light);
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}
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else {
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tl_shadow.set(white_shade_light);
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br_shadow.set(white_shade_dark);
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}
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switch(oct_rel) {
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case 0:
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case 5:
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if(i == _view.highest_note()) {
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get_path(WHITE_RECT, i, x, y);
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render_rect(cr, i, x, y, bg, tl_shadow, br_shadow);
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}
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else {
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get_path(WHITE_CF, i, x, y);
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render_cf(cr, i, x, y, bg, tl_shadow, br_shadow);
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}
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break;
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case 2:
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case 7:
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case 9:
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if(i == _view.highest_note()) {
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get_path(WHITE_EB, i, x, y);
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render_eb(cr, i, x, y, bg, tl_shadow, br_shadow);
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}
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else if(i == _view.lowest_note()) {
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get_path(WHITE_CF, i, x, y);
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render_cf(cr, i, x, y, bg, tl_shadow, br_shadow);
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}
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else {
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get_path(WHITE_DGA, i, x, y);
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render_dga(cr, i, x, y, bg, tl_shadow, br_shadow);
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}
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break;
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case 4:
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case 11:
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cr->set_source_rgb(0.0f, 0.0f, 0.0f);
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get_path(WHITE_SEPARATOR, i, x, y);
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create_path(cr, x, y, 0, 1);
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cr->stroke();
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if(i == _view.lowest_note()) {
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get_path(WHITE_RECT, i, x, y);
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render_rect(cr, i, x, y, bg, tl_shadow, br_shadow);
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}
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else {
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get_path(WHITE_EB, i, x, y);
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render_eb(cr, i, x, y, bg, tl_shadow, br_shadow);
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}
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break;
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default:
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break;
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}
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break;
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}
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/* render the name of which C this is */
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if(oct_rel == 0) {
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std::stringstream s;
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double y = floor(_view.note_to_y(i)) - 0.5f;
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double note_height = floor(_view.note_to_y(i - 1)) - y;
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int cn = i / 12;
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s << "C" << cn;
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//cr->get_text_extents(s.str(), te);
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cr->set_source_rgb(0.30f, 0.30f, 0.30f);
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cr->move_to(0, y + font_size + (note_height - font_size) / 2.0f);
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cr->show_text(s.str());
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}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PianoRollHeader::on_motion_notify_event (GdkEventMotion* ev) {
|
|
int note = _view.y_to_note(ev->y);
|
|
|
|
if(_highlighted_note != no_note) {
|
|
if(note > _highlighted_note) {
|
|
invalidate_note_range(_highlighted_note, note);
|
|
}
|
|
else {
|
|
invalidate_note_range(note, _highlighted_note);
|
|
}
|
|
|
|
_highlighted_note = note;
|
|
}
|
|
|
|
/* redraw already taken care of above */
|
|
if(_clicked_note != no_note && _clicked_note != note) {
|
|
_active_notes[_clicked_note] = false;
|
|
send_note_off(_clicked_note);
|
|
|
|
_clicked_note = note;
|
|
|
|
if(!_active_notes[note]) {
|
|
_active_notes[note] = true;
|
|
send_note_on(note);
|
|
}
|
|
}
|
|
|
|
//win->process_updates(false);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PianoRollHeader::on_button_press_event (GdkEventButton* ev) {
|
|
int note = _view.y_to_note(ev->y);
|
|
|
|
if(ev->type == GDK_BUTTON_PRESS && note >= 0 && note < 128) {
|
|
if(!_active_notes[note]) {
|
|
_active_notes[note] = true;
|
|
_clicked_note = note;
|
|
send_note_on(note);
|
|
|
|
invalidate_note_range(note, note);
|
|
}
|
|
else {
|
|
_clicked_note = no_note;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PianoRollHeader::on_button_release_event (GdkEventButton* ev) {
|
|
int note = _view.y_to_note(ev->y);
|
|
|
|
if(note == _clicked_note) {
|
|
_active_notes[note] = false;
|
|
_clicked_note = no_note;
|
|
send_note_off(note);
|
|
|
|
invalidate_note_range(note, note);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PianoRollHeader::on_enter_notify_event (GdkEventCrossing* ev) {
|
|
_highlighted_note = _view.y_to_note(ev->y);
|
|
invalidate_note_range(_highlighted_note, _highlighted_note);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PianoRollHeader::on_leave_notify_event (GdkEventCrossing*) {
|
|
invalidate_note_range(_highlighted_note, _highlighted_note);
|
|
|
|
if(_clicked_note != no_note) {
|
|
_active_notes[_clicked_note] = false;
|
|
send_note_off(_clicked_note);
|
|
|
|
if(_clicked_note != _highlighted_note) {
|
|
invalidate_note_range(_clicked_note, _clicked_note);
|
|
}
|
|
|
|
_clicked_note = no_note;
|
|
}
|
|
|
|
_highlighted_note = no_note;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PianoRollHeader::on_scroll_event (GdkEventScroll* ev) {
|
|
return true;
|
|
}
|
|
|
|
void
|
|
PianoRollHeader::note_range_changed() {
|
|
_note_height = floor(_view.note_height()) + 0.5f;
|
|
|
|
queue_draw();
|
|
|
|
Glib::RefPtr<Gdk::Window> win = get_window();
|
|
|
|
if(win) {
|
|
win->process_updates(false);
|
|
}
|
|
}
|
|
|
|
void
|
|
PianoRollHeader::invalidate_note_range(int lowest, int highest) {
|
|
Glib::RefPtr<Gdk::Window> win = get_window();
|
|
Gdk::Rectangle rect;
|
|
|
|
// the non-rectangular geometry of some of the notes requires more
|
|
// redraws than the notes that actually changed.
|
|
switch(lowest % 12) {
|
|
case 0:
|
|
case 5:
|
|
lowest = max((int) _view.lowest_note(), lowest);
|
|
break;
|
|
default:
|
|
lowest = max((int) _view.lowest_note(), lowest - 1);
|
|
break;
|
|
}
|
|
|
|
switch(highest % 12) {
|
|
case 4:
|
|
case 11:
|
|
highest = min((int) _view.highest_note(), highest);
|
|
break;
|
|
case 1:
|
|
case 3:
|
|
case 6:
|
|
case 8:
|
|
case 10:
|
|
highest = min((int) _view.highest_note(), highest + 1);
|
|
break;
|
|
default:
|
|
highest = min((int) _view.highest_note(), highest + 2);
|
|
break;
|
|
}
|
|
|
|
double y = _view.note_to_y(highest);
|
|
double height = _view.note_to_y(lowest - 1) - y;
|
|
|
|
rect.set_x(0);
|
|
rect.set_width(get_width());
|
|
rect.set_y((int) floor(y));
|
|
rect.set_height((int) floor(height));
|
|
|
|
if(win) {
|
|
win->invalidate_rect(rect, false);
|
|
}
|
|
}
|
|
|
|
void
|
|
PianoRollHeader::on_size_request(Gtk::Requisition* r) {
|
|
r->width = 20;
|
|
}
|
|
|
|
void
|
|
PianoRollHeader::on_size_allocate(Gtk::Allocation& a) {
|
|
DrawingArea::on_size_allocate(a);
|
|
|
|
_black_note_width = floor(0.7 * get_width()) + 0.5f;
|
|
}
|
|
|
|
void
|
|
PianoRollHeader::send_note_on(uint8_t note) {
|
|
boost::shared_ptr<ARDOUR::MidiTrack> track = _view.trackview().midi_track();
|
|
|
|
//cerr << "note on: " << (int) note << endl;
|
|
|
|
if(track) {
|
|
_event[0] = MIDI_CMD_NOTE_ON;
|
|
_event[1] = note;
|
|
_event[2] = 100;
|
|
|
|
track->write_immediate_event(3, _event);
|
|
}
|
|
}
|
|
|
|
void
|
|
PianoRollHeader::send_note_off(uint8_t note) {
|
|
boost::shared_ptr<ARDOUR::MidiTrack> track = _view.trackview().midi_track();
|
|
|
|
if(track) {
|
|
_event[0] = MIDI_CMD_NOTE_OFF;
|
|
_event[1] = note;
|
|
_event[2] = 100;
|
|
|
|
track->write_immediate_event(3, _event);
|
|
}
|
|
}
|