From 8eef4b1904bcc611f5f4230927ca9eda2352d36b Mon Sep 17 00:00:00 2001 From: Paul Davis Date: Fri, 5 Apr 2013 17:16:33 -0400 Subject: master merge; new files not added after initial cairocanvas patch application --- gtk2_ardour/note_base.cc | 376 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 376 insertions(+) create mode 100644 gtk2_ardour/note_base.cc (limited to 'gtk2_ardour/note_base.cc') diff --git a/gtk2_ardour/note_base.cc b/gtk2_ardour/note_base.cc new file mode 100644 index 0000000000..b8587e16da --- /dev/null +++ b/gtk2_ardour/note_base.cc @@ -0,0 +1,376 @@ +/* + Copyright (C) 2007 Paul Davis + Author: David Robillard + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include + +#include "gtkmm2ext/keyboard.h" + +#include "canvas/text.h" + +#include "note_base.h" +#include "midi_region_view.h" +#include "public_editor.h" +#include "editing_syms.h" +#include "keyboard.h" + +using namespace std; +using namespace Gtkmm2ext; +using ARDOUR::MidiModel; +using namespace ArdourCanvas; + +PBD::Signal1 NoteBase::NoteBaseDeleted; + +/// dividing the hue circle in 16 parts, hand adjusted for equal look, courtesy Thorsten Wilms +const uint32_t NoteBase::midi_channel_colors[16] = { + 0xd32d2dff, 0xd36b2dff, 0xd3972dff, 0xd3d12dff, + 0xa0d32dff, 0x7dd32dff, 0x2dd45eff, 0x2dd3c4ff, + 0x2da5d3ff, 0x2d6fd3ff, 0x432dd3ff, 0x662dd3ff, + 0x832dd3ff, 0xa92dd3ff, 0xd32dbfff, 0xd32d67ff + }; + +NoteBase::NoteBase(MidiRegionView& region, bool with_events, const boost::shared_ptr note) + : _region(region) + , _item (0) + , _text(0) +// , _channel_selector_widget() + , _state(None) + , _note(note) + , _with_events (with_events) + , _selected(false) + , _valid (true) + , _mouse_x_fraction (-1.0) + , _mouse_y_fraction (-1.0) +{ +} + +NoteBase::~NoteBase() +{ + NoteBaseDeleted (this); + + delete _text; + + /* XXX */ +// delete _channel_selector_widget; +} + +void +NoteBase::set_item (Item* item) +{ + _item = item; + _item->set_data ("notebase", this); + + if (_with_events) { + _item->Event.connect (sigc::mem_fun (*this, &NoteBase::event_handler)); + } +} + +void +NoteBase::invalidate () +{ + _valid = false; +} + +void +NoteBase::validate () +{ + _valid = true; +} + +void +NoteBase::show_velocity() +{ + if (!_text) { + _text = new Text (_item->parent ()); + _text->set_ignore_events (true); + _text->set_color (ARDOUR_UI::config()->canvasvar_MidiNoteVelocityText.get()); + _text->set_alignment (Pango::ALIGN_CENTER); + } + + _text->set_x_position ((x0() + x1()) / 2); + _text->set_y_position ((y0() + y1()) / 2); + ostringstream velo(ios::ate); + velo << int(_note->velocity()); + _text->set (velo.str ()); + _text->show(); + _text->raise_to_top(); +} + +void +NoteBase::hide_velocity() +{ + delete _text; + _text = 0; +} + +void +NoteBase::on_channel_selection_change(uint16_t selection) +{ + // make note change its color if its channel is not marked active + if ( (selection & (1 << _note->channel())) == 0 ) { + set_fill_color(ARDOUR_UI::config()->canvasvar_MidiNoteInactiveChannel.get()); + set_outline_color(calculate_outline(ARDOUR_UI::config()->canvasvar_MidiNoteInactiveChannel.get())); + } else { + // set the color according to the notes selection state + set_selected(_selected); + } + // this forces the item to update..... maybe slow... + _item->hide(); + _item->show(); +} + +void +NoteBase::on_channel_change(uint8_t channel) +{ + _region.note_selected(this, true); + hide_channel_selector(); + _region.change_channel(channel); +} + +void +NoteBase::show_channel_selector () +{ +#if 0 + if (_channel_selector_widget == 0) { + + if(_region.channel_selector_scoped_note() != 0){ + _region.channel_selector_scoped_note()->hide_channel_selector(); + _region.set_channel_selector_scoped_note(0); + } + + SingleMidiChannelSelector* _channel_selector = new SingleMidiChannelSelector(_note->channel()); + _channel_selector->show_all(); + _channel_selector->channel_selected.connect( + sigc::mem_fun(this, &NoteBase::on_channel_change)); + + _channel_selector->clicked.connect ( + sigc::mem_fun (this, &NoteBase::hide_channel_selector)); + + _channel_selector_widget = new Widget(*(_item->property_parent()), + x1(), + y2() + 2, + (Gtk::Widget &) *_channel_selector); + + _channel_selector_widget->hide(); + _channel_selector_widget->property_height() = 100; + _channel_selector_widget->property_width() = 100; + _channel_selector_widget->raise_to_top(); + _channel_selector_widget->show(); + + _region.set_channel_selector_scoped_note(this); + } else { + hide_channel_selector(); + } +#endif +} + +void +NoteBase::hide_channel_selector () +{ +#if 0 + if (_channel_selector_widget) { + _channel_selector_widget->hide(); + delete _channel_selector_widget; + _channel_selector_widget = 0; + } +#endif +} + +void +NoteBase::set_selected(bool selected) +{ + if (!_note) { + return; + } + + _selected = selected; + set_fill_color (base_color ()); + + if (_selected) { + set_outline_color(calculate_outline(ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get())); + + if(_region.channel_selector_scoped_note() != 0){ + _region.channel_selector_scoped_note()->hide_channel_selector(); + _region.set_channel_selector_scoped_note(0); + } + } else { + set_outline_color(calculate_outline(base_color())); + hide_channel_selector(); + } + +} + +#define SCALE_USHORT_TO_UINT8_T(x) ((x) / 257) + +uint32_t +NoteBase::base_color() +{ + using namespace ARDOUR; + + ColorMode mode = _region.color_mode(); + + const uint8_t min_opacity = 15; + uint8_t opacity = std::max(min_opacity, uint8_t(_note->velocity() + _note->velocity())); + + switch (mode) { + case TrackColor: + { + Gdk::Color color = _region.midi_stream_view()->get_region_color(); + return UINT_INTERPOLATE (RGBA_TO_UINT( + SCALE_USHORT_TO_UINT8_T(color.get_red()), + SCALE_USHORT_TO_UINT8_T(color.get_green()), + SCALE_USHORT_TO_UINT8_T(color.get_blue()), + opacity), + ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(), 0.5); + } + + case ChannelColors: + return UINT_INTERPOLATE (UINT_RGBA_CHANGE_A (NoteBase::midi_channel_colors[_note->channel()], + opacity), + ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(), 0.5); + + default: + return meter_style_fill_color(_note->velocity(), selected()); + }; + + return 0; +} + +void +NoteBase::set_mouse_fractions (GdkEvent* ev) +{ + double ix, iy; + bool set_cursor = false; + + switch (ev->type) { + case GDK_MOTION_NOTIFY: + ix = ev->motion.x; + iy = ev->motion.y; + set_cursor = true; + break; + case GDK_ENTER_NOTIFY: + ix = ev->crossing.x; + iy = ev->crossing.y; + set_cursor = true; + break; + case GDK_BUTTON_PRESS: + case GDK_BUTTON_RELEASE: + ix = ev->button.x; + iy = ev->button.y; + break; + default: + _mouse_x_fraction = -1.0; + _mouse_y_fraction = -1.0; + return; + } + + boost::optional bbox = _item->bounding_box (); + assert (bbox); + + _item->canvas_to_item (ix, iy); + /* XXX: CANVAS */ + /* hmm, something wrong here. w2i should give item-local coordinates + but it doesn't. for now, finesse this. + */ + ix = ix - bbox.get().x0; + iy = iy - bbox.get().y0; + + /* fraction of width/height */ + double xf; + double yf; + bool notify = false; + + xf = ix / bbox.get().width (); + yf = iy / bbox.get().height (); + + if (xf != _mouse_x_fraction || yf != _mouse_y_fraction) { + notify = true; + } + + _mouse_x_fraction = xf; + _mouse_y_fraction = yf; + + if (notify) { + if (big_enough_to_trim()) { + _region.note_mouse_position (_mouse_x_fraction, _mouse_y_fraction, set_cursor); + } else { + /* pretend the mouse is in the middle, because this is not big enough + to trim right now. + */ + _region.note_mouse_position (0.5, 0.5, set_cursor); + } + } +} + +bool +NoteBase::event_handler (GdkEvent* ev) +{ + if (!_region.get_time_axis_view().editor().internal_editing()) { + return false; + } + + switch (ev->type) { + case GDK_ENTER_NOTIFY: + set_mouse_fractions (ev); + _region.note_entered (this); + break; + + case GDK_LEAVE_NOTIFY: + set_mouse_fractions (ev); + _region.note_left (this); + break; + + case GDK_MOTION_NOTIFY: + set_mouse_fractions (ev); + break; + + case GDK_BUTTON_PRESS: + set_mouse_fractions (ev); + if (ev->button.button == 3 && Keyboard::no_modifiers_active (ev->button.state) && _selected) { + show_channel_selector(); + return true; + } + break; + + case GDK_BUTTON_RELEASE: + set_mouse_fractions (ev); + if (ev->button.button == 3 && Keyboard::no_modifiers_active (ev->button.state)) { + return true; + } + break; + + default: + break; + } + + return _region.get_time_axis_view().editor().canvas_note_event (ev, _item); +} + +bool +NoteBase::mouse_near_ends () const +{ + return (_mouse_x_fraction >= 0.0 && _mouse_x_fraction < 0.25) || + (_mouse_x_fraction >= 0.75 && _mouse_x_fraction < 1.0); +} + +bool +NoteBase::big_enough_to_trim () const +{ + return (x1() - x0()) > 10; +} + -- cgit v1.2.3