166 lines
3.5 KiB
C++
166 lines
3.5 KiB
C++
/*
|
|
Copyright (C) 2014 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>
|
|
#include <cmath>
|
|
#include <algorithm>
|
|
|
|
#include <pangomm/layout.h>
|
|
|
|
#include "pbd/compose.h"
|
|
#include "pbd/error.h"
|
|
#include "pbd/stacktrace.h"
|
|
|
|
#include "gtkmm2ext/utils.h"
|
|
#include "gtkmm2ext/rgb_macros.h"
|
|
#include "gtkmm2ext/gui_thread.h"
|
|
|
|
#include "ardour/rc_configuration.h" // for widget prelight preference
|
|
|
|
#include "ardour_dropdown.h"
|
|
|
|
#include "pbd/i18n.h"
|
|
|
|
#define REFLECTION_HEIGHT 2
|
|
|
|
using namespace Gdk;
|
|
using namespace Gtk;
|
|
using namespace Glib;
|
|
using namespace PBD;
|
|
using namespace std;
|
|
|
|
|
|
ArdourDropdown::ArdourDropdown (Element e)
|
|
: _scrolling_disabled(false)
|
|
{
|
|
// signal_button_press_event().connect (sigc::mem_fun(*this, &ArdourDropdown::on_mouse_pressed));
|
|
_menu.signal_size_request().connect (sigc::mem_fun(*this, &ArdourDropdown::menu_size_request));
|
|
|
|
_menu.set_reserve_toggle_size(false);
|
|
|
|
add_elements(e);
|
|
add_elements(ArdourButton::Menu);
|
|
}
|
|
|
|
ArdourDropdown::~ArdourDropdown ()
|
|
{
|
|
}
|
|
|
|
void
|
|
ArdourDropdown::menu_size_request(Requisition *req) {
|
|
req->width = max(req->width, get_allocation().get_width());
|
|
}
|
|
|
|
bool
|
|
ArdourDropdown::on_button_press_event (GdkEventButton* ev)
|
|
{
|
|
if (binding_proxy.button_press_handler (ev)) {
|
|
return true;
|
|
}
|
|
|
|
if (ev->type == GDK_BUTTON_PRESS && ev->button == 1) {
|
|
Gtkmm2ext::anchored_menu_popup(&_menu, this, get_text(), 1, ev->time);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ArdourDropdown::on_scroll_event (GdkEventScroll* ev)
|
|
{
|
|
using namespace Menu_Helpers;
|
|
|
|
if (_scrolling_disabled) {
|
|
return false;
|
|
}
|
|
|
|
const MenuItem * current_active = _menu.get_active();
|
|
const MenuList& items = _menu.items ();
|
|
int c = 0;
|
|
|
|
if (!current_active) {
|
|
return true;
|
|
}
|
|
|
|
/* work around another gtkmm API clusterfuck
|
|
* const MenuItem* get_active () const
|
|
* void set_active (guint index)
|
|
*
|
|
* also MenuList.activate_item does not actually
|
|
* set it as active in the menu.
|
|
*
|
|
*/
|
|
|
|
switch (ev->direction) {
|
|
case GDK_SCROLL_UP:
|
|
|
|
for (MenuList::const_reverse_iterator i = items.rbegin(); i != items.rend(); ++i, ++c) {
|
|
if ( &(*i) != current_active) {
|
|
continue;
|
|
}
|
|
if (++i != items.rend()) {
|
|
c = items.size() - 2 - c;
|
|
assert(c >= 0);
|
|
_menu.set_active(c);
|
|
_menu.activate_item(*i);
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case GDK_SCROLL_DOWN:
|
|
for (MenuList::const_iterator i = items.begin(); i != items.end(); ++i, ++c) {
|
|
if ( &(*i) != current_active) {
|
|
continue;
|
|
}
|
|
if (++i != items.end()) {
|
|
assert(c + 1 < (int) items.size());
|
|
_menu.set_active(c + 1);
|
|
_menu.activate_item(*i);
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void
|
|
ArdourDropdown::clear_items ()
|
|
{
|
|
_menu.items ().clear ();
|
|
}
|
|
|
|
void
|
|
ArdourDropdown::AddMenuElem (Menu_Helpers::Element e)
|
|
{
|
|
using namespace Menu_Helpers;
|
|
|
|
MenuList& items = _menu.items ();
|
|
|
|
items.push_back (e);
|
|
}
|
|
|
|
void
|
|
ArdourDropdown::disable_scrolling()
|
|
{
|
|
_scrolling_disabled = true;
|
|
}
|