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livetrax/gtk2_ardour/patch_change.cc
Paul Davis a550b6482f start using the now-compilable MidiView
Nothing yet derives from this, but MIDI display items and drags
do use it.
2024-10-17 07:44:29 -06:00

264 lines
7.3 KiB
C++

/*
* Copyright (C) 2013-2016 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2014-2015 David Robillard <d@drobilla.net>
* Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <iostream>
#include <boost/algorithm/string.hpp>
#include <glibmm/regex.h>
#include "gtkmm2ext/keyboard.h"
#include "gtkmm2ext/menu_elems.h"
#include "gtkmm2ext/utils.h"
#include "midi++/midnam_patch.h"
#include "canvas/debug.h"
#include "editor.h"
#include "editor_drag.h"
#include "midi_view.h"
#include "patch_change.h"
#include "ui_config.h"
using namespace MIDI::Name;
using namespace std;
using Gtkmm2ext::Keyboard;
/** @param x x position in pixels.
*/
PatchChange::PatchChange (MidiView& region,
ArdourCanvas::Item* parent,
double height,
double x,
double y,
ARDOUR::InstrumentInfo& info,
ARDOUR::MidiModel::PatchChangePtr patch,
Gtkmm2ext::Color outline_color,
Gtkmm2ext::Color fill_color)
: _region (region)
, _info (info)
, _patch (patch)
, _popup_initialized (false)
{
_flag = new ArdourCanvas::Flag (parent,
height,
outline_color,
fill_color,
ArdourCanvas::Duple (x, y),
true);
CANVAS_DEBUG_NAME (_flag, _info.get_patch_name (_patch->bank (), _patch->program (), _patch->channel ()));
_flag->Event.connect (sigc::mem_fun (*this, &PatchChange::event_handler));
_flag->set_font_description (UIConfiguration::instance ().get_SmallFont ());
update_name ();
}
PatchChange::~PatchChange ()
{
delete _flag;
}
void
PatchChange::update_name ()
{
_flag->set_text (_info.get_patch_name (_patch->bank (), _patch->program (), _patch->channel ()));
}
void
PatchChange::initialize_popup_menus ()
{
using namespace MIDI::Name;
std::shared_ptr<ChannelNameSet> channel_name_set = _info.get_patches (_patch->channel ());
if (!channel_name_set || channel_name_set->patch_banks ().size () == 0) {
return;
}
const ChannelNameSet::PatchBanks& patch_banks = channel_name_set->patch_banks ();
if (patch_banks.size () > 1) {
// fill popup menu:
Gtk::Menu::MenuList& patch_bank_menus = _popup.items ();
for (ChannelNameSet::PatchBanks::const_iterator bank = patch_banks.begin (); bank != patch_banks.end (); ++bank) {
Glib::RefPtr<Glib::Regex> underscores = Glib::Regex::create ("_");
std::string const& replacement (" ");
Gtk::Menu& patch_bank_menu = *manage (new Gtk::Menu ());
const PatchNameList& patches = (*bank)->patch_name_list ();
Gtk::Menu::MenuList& patch_menus = patch_bank_menu.items ();
for (PatchNameList::const_iterator patch = patches.begin (); patch != patches.end (); ++patch) {
std::string name = underscores->replace ((*patch)->name ().c_str (), -1, 0, replacement);
patch_menus.push_back (
Gtk::Menu_Helpers::MenuElem (
name,
sigc::bind (sigc::mem_fun (*this, &PatchChange::on_patch_menu_selected), (*patch)->patch_primary_key ())));
}
std::string name = underscores->replace ((*bank)->name ().c_str (), -1, 0, replacement);
patch_bank_menus.push_back (
Gtk::Menu_Helpers::MenuElem (
name,
patch_bank_menu));
}
} else {
/* only one patch bank, so make it the initial menu */
const PatchNameList& patches = patch_banks.front ()->patch_name_list ();
Gtk::Menu::MenuList& patch_menus = _popup.items ();
for (PatchNameList::const_iterator patch = patches.begin ();
patch != patches.end ();
++patch) {
patch_menus.push_back (Gtkmm2ext::MenuElemNoMnemonic ((*patch)->name (),
sigc::bind (sigc::mem_fun (*this, &PatchChange::on_patch_menu_selected), (*patch)->patch_primary_key ())));
}
}
}
void
PatchChange::on_patch_menu_selected (const PatchPrimaryKey& key)
{
_region.change_patch_change (*this, key);
}
bool
PatchChange::event_handler (GdkEvent* ev)
{
/* XXX: icky dcast */
EditingContext& e = _region.editing_context();
if (!e.internal_editing ()) {
return false;
}
switch (ev->type) {
case GDK_BUTTON_PRESS:
if (e.current_mouse_mode () == Editing::MouseContent) {
if (Gtkmm2ext::Keyboard::is_delete_event (&ev->button)) {
_region.delete_patch_change (this);
return true;
} else if (Gtkmm2ext::Keyboard::is_edit_event (&ev->button)) {
_region.edit_patch_change (this);
return true;
} else if (ev->button.button == 1) {
e.drags ()->set (new PatchChangeDrag (e, this, &_region), ev);
return true;
}
}
if (Gtkmm2ext::Keyboard::is_context_menu_event (&ev->button)) {
if (!_popup_initialized) {
initialize_popup_menus ();
_popup_initialized = true;
}
_popup.popup (ev->button.button, ev->button.time);
return true;
}
break;
case GDK_KEY_PRESS:
switch (ev->key.keyval) {
case GDK_Up:
case GDK_KP_Up:
case GDK_uparrow:
_region.step_patch (*this, Keyboard::modifier_state_contains (ev->key.state, Keyboard::TertiaryModifier), 1);
return true;
case GDK_Down:
case GDK_KP_Down:
case GDK_downarrow:
_region.step_patch (*this, Keyboard::modifier_state_contains (ev->key.state, Keyboard::TertiaryModifier), -1);
return true;
default:
break;
}
break;
case GDK_KEY_RELEASE:
switch (ev->key.keyval) {
case GDK_BackSpace:
case GDK_Delete:
_region.delete_patch_change (this);
default:
break;
}
break;
case GDK_SCROLL:
if (ev->scroll.direction == GDK_SCROLL_UP) {
_region.step_patch (*this, Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::TertiaryModifier), 1);
return true;
} else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
_region.step_patch (*this, Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::TertiaryModifier), -1);
return true;
}
break;
case GDK_ENTER_NOTIFY:
_region.patch_entered (this);
break;
case GDK_LEAVE_NOTIFY:
_region.patch_left (this);
break;
default:
break;
}
return false;
}
void
PatchChange::move (ArdourCanvas::Duple d)
{
_flag->move (d);
}
void
PatchChange::set_height (ArdourCanvas::Distance height)
{
_flag->set_height (height);
}
void
PatchChange::hide ()
{
_flag->hide ();
}
void
PatchChange::show ()
{
_flag->show ();
}