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livetrax/gtk2_ardour/patch_change.cc

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/*
Copyright (C) 2000-2010 Paul Davis
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 <iostream>
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#include <boost/algorithm/string.hpp>
#include <glibmm/regex.h>
#include "gtkmm2ext/keyboard.h"
#include "gtkmm2ext/utils.h"
#include "ardour/midi_patch_manager.h"
#include "canvas/debug.h"
#include "ardour_ui.h"
#include "midi_region_view.h"
#include "patch_change.h"
#include "editor.h"
#include "editor_drag.h"
using namespace MIDI::Name;
using namespace std;
/** @param x x position in pixels.
*/
PatchChange::PatchChange(
MidiRegionView& region,
ArdourCanvas::Container* parent,
const string& text,
double height,
double x,
double y,
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ARDOUR::InstrumentInfo& info,
ARDOUR::MidiModel::PatchChangePtr patch)
: _region (region)
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, _info (info)
, _patch (patch)
, _popup_initialized(false)
{
_flag = new ArdourCanvas::Flag (
parent,
height,
ARDOUR_UI::config()->get_MidiPatchChangeOutline(),
ARDOUR_UI::config()->get_MidiPatchChangeFill(),
ArdourCanvas::Duple (x, y)
);
CANVAS_DEBUG_NAME (_flag, text);
_flag->Event.connect (sigc::mem_fun (*this, &PatchChange::event_handler));
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_flag->set_font_description (ARDOUR_UI::config()->get_SmallFont());
_flag->set_text(text);
}
PatchChange::~PatchChange()
{
delete _flag;
}
void
PatchChange::initialize_popup_menus()
{
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using namespace MIDI::Name;
boost::shared_ptr<ChannelNameSet> channel_name_set = _info.get_patches (_patch->channel());
if (!channel_name_set) {
return;
}
const ChannelNameSet::PatchBanks& patch_banks = channel_name_set->patch_banks();
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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 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())) );
}
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std::string name = underscores->replace((*bank)->name().c_str(), -1, 0, replacement);
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patch_bank_menus.push_back(
Gtk::Menu_Helpers::MenuElem(
name,
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patch_bank_menu) );
}
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} else {
/* only one patch bank, so make it the initial menu */
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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) {
std::string name = (*patch)->name();
boost::replace_all (name, "_", " ");
patch_menus.push_back (
Gtk::Menu_Helpers::MenuElem (
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 */
Editor* e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
if (!e->internal_editing()) {
// not in internal edit mode, so no patch change editing
return false;
}
switch (ev->type) {
case GDK_BUTTON_PRESS:
if (e->current_mouse_mode() == Editing::MouseObject) {
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 (ev->button.button == 3) {
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.previous_patch (*this);
break;
case GDK_Down:
case GDK_KP_Down:
case GDK_downarrow:
_region.next_patch (*this);
break;
default:
break;
}
break;
case GDK_SCROLL:
if (ev->scroll.direction == GDK_SCROLL_UP) {
_region.previous_patch (*this);
return true;
} else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
_region.next_patch (*this);
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 ();
}