ardour/gtk2_ardour/waves_dropdown.cc
2014-09-09 07:46:51 +03:00

91 lines
2.5 KiB
C++

/*
Copyright (C) 2014 Waves Audio Ltd.
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 "waves_dropdown.h"
WavesDropdown::WavesDropdown (const std::string& title)
: WavesIconButton (title)
{
signal_button_press_event().connect (sigc::mem_fun(*this, &WavesDropdown::on_mouse_pressed));
}
WavesDropdown::~WavesDropdown ()
{
}
bool
WavesDropdown::on_mouse_pressed (GdkEventButton*)
{
_menu.popup (sigc::mem_fun(this, &WavesDropdown::_on_popup_menu_position), 1, gtk_get_current_event_time());
return true;
}
Gtk::MenuItem&
WavesDropdown::add_menu_item (const std::string& item, void* cookie)
{
Gtk::Menu_Helpers::MenuList& items = _menu.items ();
items.push_back (Gtk::Menu_Helpers::MenuElem (item, sigc::bind (sigc::mem_fun(*this, &WavesDropdown::_on_menu_item), items.size (), cookie)));
Gtk::MenuItem& menuitem = _menu.items ().back ();
ensure_style();
Widget* child = menuitem.get_child ();
if (child) {
child->set_style (get_style());
}
return menuitem;
}
void
WavesDropdown::clear_items ()
{
_menu.items().clear ();
}
void
WavesDropdown::_on_menu_item (size_t item_number, void* cookie)
{
Gtk::Menu_Helpers::MenuList& items = _menu.items ();
Gtk::Menu_Helpers::MenuList::iterator i = items.begin();
std::advance (i, item_number);
set_text ((*i).get_label());
signal_menu_item_clicked (this, cookie);
}
void
WavesDropdown::_on_popup_menu_position (int& x, int& y, bool& push_in)
{
Gtk::Container *toplevel = get_toplevel ();
if (toplevel) {
translate_coordinates (*toplevel, 0, 0, x, y);
Gtk::Allocation a = toplevel->get_allocation ();
x = a.get_x ();
y = a.get_y ();
a = get_allocation ();
y += a.get_height ();
int xo;
int yo;
get_window ()->get_origin (xo, yo);
x += xo;
y += yo;
}
}