76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
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// FGButton.cxx -- a simple button/key wrapper class
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//
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// Written by Torsten Dreyer, started August 2009
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// Based on work from David Megginson, started May 2001.
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//
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// Copyright (C) 2009 Torsten Dreyer, Torsten (at) t3r _dot_ de
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// Copyright (C) 2001 David Megginson, david@megginson.com
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#include "FGButton.hxx"
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FGButton::FGButton ()
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: is_repeatable(false),
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interval_sec(0),
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last_dt(0),
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last_state(0)
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{
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}
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FGButton::~FGButton ()
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{
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// bindings is a list of SGSharedPtr<SGBindings>
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// no cleanup required
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}
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void FGButton::init( const SGPropertyNode * node, const string name, string & module )
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{
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if (node == 0) {
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SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for button " << name);
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} else {
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is_repeatable = node->getBoolValue("repeatable", is_repeatable);
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// Get the bindings for the button
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read_bindings( node, bindings, KEYMOD_NONE, module );
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}
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}
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void FGButton::update( int modifiers, bool pressed, int x, int y)
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{
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if (pressed) {
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// The press event may be repeated.
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if (!last_state || is_repeatable) {
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SG_LOG( SG_INPUT, SG_DEBUG, "Button has been pressed" );
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for (unsigned int k = 0; k < bindings[modifiers].size(); k++) {
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bindings[modifiers][k]->fire(x, y);
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}
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}
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} else {
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// The release event is never repeated.
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if (last_state) {
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SG_LOG( SG_INPUT, SG_DEBUG, "Button has been released" );
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for (unsigned int k = 0; k < bindings[modifiers|KEYMOD_RELEASED].size(); k++)
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bindings[modifiers|KEYMOD_RELEASED][k]->fire(x, y);
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}
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}
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last_state = pressed;
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}
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