1
0
Fork 0
flightgear/src/Input/FGButton.cxx

82 lines
2.3 KiB
C++
Raw Normal View History

// FGButton.cxx -- a simple button/key wrapper class
//
// Written by Torsten Dreyer, started August 2009
// Based on work from David Megginson, started May 2001.
//
// Copyright (C) 2009 Torsten Dreyer, Torsten (at) t3r _dot_ de
// Copyright (C) 2001 David Megginson, david@megginson.com
//
// 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.
//
// $Id$
2009-08-08 12:43:32 +00:00
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "FGButton.hxx"
2009-08-08 12:43:32 +00:00
#include <simgear/math/SGMath.hxx>
FGButton::FGButton ()
: is_repeatable(false),
interval_sec(0),
last_dt(0),
last_state(0)
{
}
FGButton::~FGButton ()
{
// bindings is a list of SGSharedPtr<SGBindings>
// no cleanup required
}
void FGButton::init( const SGPropertyNode * node, const string name, string & module )
{
if (node == 0) {
SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for button " << name);
} else {
is_repeatable = node->getBoolValue("repeatable", is_repeatable);
// Get the bindings for the button
read_bindings( node, bindings, KEYMOD_NONE, module );
}
}
void FGButton::update( int modifiers, bool pressed, int x, int y)
{
if (pressed) {
// The press event may be repeated.
if (!last_state || is_repeatable) {
SG_LOG( SG_INPUT, SG_DEBUG, "Button has been pressed" );
for (unsigned int k = 0; k < bindings[modifiers].size(); k++) {
bindings[modifiers][k]->fire(x, y);
}
}
} else {
// The release event is never repeated.
if (last_state) {
SG_LOG( SG_INPUT, SG_DEBUG, "Button has been released" );
for (unsigned int k = 0; k < bindings[modifiers|KEYMOD_RELEASED].size(); k++)
bindings[modifiers|KEYMOD_RELEASED][k]->fire(x, y);
}
}
last_state = pressed;
}