// input.cxx -- handle user input from various sources.
//
// Written by David Megginson, started May 2001.
+// Major redesign by Torsten Dreyer, started August 2009
//
// Copyright (C) 2001 David Megginson, david@megginson.com
+// Copyright (C) 2009 Torsten Dreyer, Torsten (at) t3r _dot_ de
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
//
// 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.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
# include <config.h>
#endif
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-#endif
-
-#include <simgear/compiler.h>
-
-#include <math.h>
-#include <ctype.h>
-
-#include STL_FSTREAM
-#include STL_STRING
-#include <vector>
-
-#include <GL/glut.h>
-
-#include <plib/pu.h>
+#include "input.hxx"
#include <simgear/compiler.h>
-#include <simgear/constants.h>
-#include <simgear/debug/logstream.hxx>
-#include <simgear/misc/props.hxx>
-
-#include <Aircraft/aircraft.hxx>
-#include <Autopilot/auto_gui.hxx>
-#include <Autopilot/newauto.hxx>
-#include <Cockpit/hud.hxx>
-#include <Cockpit/panel.hxx>
-#include <Cockpit/panel_io.hxx>
-#include <GUI/gui.h>
-
-#include <Main/globals.hxx>
-#include <Main/fg_props.hxx>
-
-#include "input.hxx"
-
-#if !defined(SG_HAVE_NATIVE_SGI_COMPILERS)
-SG_USING_STD(ifstream);
+#include "FGMouseInput.hxx"
+#include "FGKeyboardInput.hxx"
+#include "FGJoystickInput.hxx"
+
+#ifdef WITH_EVENTINPUT
+#if defined( SG_WINDOWS )
+//to be developed
+//#include "FGDirectXEventInput.hxx"
+//#define INPUTEVENT_CLASS FGDirectXEventInput
+#elif defined ( SG_MAC )
+#include "FGMacOSXEventInput.hxx"
+#define INPUTEVENT_CLASS FGMacOSXEventInput
+#else
+#include "FGLinuxEventInput.hxx"
+#define INPUTEVENT_CLASS FGLinuxEventInput
#endif
-SG_USING_STD(string);
-SG_USING_STD(vector);
-
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Local data structures.
-////////////////////////////////////////////////////////////////////////
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Implementation of FGBinding.
-////////////////////////////////////////////////////////////////////////
-
-FGBinding::FGBinding ()
- : _command(0),
- _arg(new SGPropertyNode),
- _setting(0),
- _command_state(0)
-{
-}
-
-FGBinding::FGBinding (const SGPropertyNode * node)
- : _command(0),
- _arg(new SGPropertyNode),
- _setting(0),
- _command_state(0)
-{
- read(node);
-}
-
-FGBinding::~FGBinding ()
-{
-// delete _arg; // Delete the saved arguments
-// delete _command_state; // Delete the saved command state
-}
-
-void
-FGBinding::read (const SGPropertyNode * node)
-{
- const SGPropertyNode * conditionNode = node->getChild("condition");
- if (conditionNode != 0) {
- cerr << "Adding condition to binding" << endl;
- setCondition(fgReadCondition(conditionNode));
- }
-
- _command_name = node->getStringValue("command", "");
- if (_command_name == "") {
- SG_LOG(SG_INPUT, SG_ALERT, "No command supplied for binding.");
- _command = 0;
- return;
- }
-
- _command = globals->get_commands()->getCommand(_command_name);
- if (_command == 0) {
- SG_LOG(SG_INPUT, SG_ALERT, "Command " << _command_name << " is undefined");
- _arg = 0;
- return;
- }
-
- delete _arg;
- _arg = new SGPropertyNode;
- _setting = 0;
- copyProperties(node, _arg); // FIXME: don't use whole node!!!
-}
-
-void
-FGBinding::fire () const
-{
- if (test()) {
- if (_command == 0) {
- SG_LOG(SG_INPUT, SG_ALERT, "No command attached to binding");
- } else if (!(*_command)(_arg, &_command_state)) {
- SG_LOG(SG_INPUT, SG_ALERT, "Failed to execute command "
- << _command_name);
- }
- }
-}
-
-void
-FGBinding::fire (double setting) const
-{
- if (test()) {
- // A value is automatically added to
- // the args
- if (_setting == 0) // save the setting node for efficiency
- _setting = _arg->getChild("setting", 0, true);
- _setting->setDoubleValue(setting);
- fire();
- }
-}
+#endif
-\f
////////////////////////////////////////////////////////////////////////
// Implementation of FGInput.
////////////////////////////////////////////////////////////////////////
- // From main.cxx
-extern void fgReshape( int width, int height );
-
-FGInput current_input;
-
FGInput::FGInput ()
{
- // no op
-}
-
-FGInput::~FGInput ()
-{
- // no op
-}
-
-void
-FGInput::init ()
-{
- _init_keyboard();
- _init_joystick();
-}
-
-void
-FGInput::bind ()
-{
- // no op
-}
-
-void
-FGInput::unbind ()
-{
- // no op
-}
-
-void
-FGInput::update (int dt)
-{
- _update_keyboard();
- _update_joystick();
-}
-
-void
-FGInput::doKey (int k, int modifiers, int x, int y)
-{
- // SG_LOG( SG_INPUT, SG_INFO, "User pressed key " << k
- // << " with modifiers " << modifiers );
-
- // Sanity check.
- if (k < 0 || k >= MAX_KEYS) {
- SG_LOG(SG_INPUT, SG_ALERT, "Key value " << k << " out of range");
- return;
- }
-
- button &b = _key_bindings[k];
-
- // Key pressed.
- if (modifiers&FG_MOD_UP == 0) {
- // SG_LOG( SG_INPUT, SG_INFO, "User pressed key " << k
- // << " with modifiers " << modifiers );
- if (!b.last_state || b.is_repeatable) {
- const binding_list_t &bindings =
- _find_key_bindings(k, modifiers);
- int max = bindings.size();
- if (max > 0) {
- for (int i = 0; i < max; i++)
- bindings[i]->fire();
- return;
- }
- }
- }
-
- // Key released.
- else {
- // SG_LOG(SG_INPUT, SG_INFO, "User released key " << k
- // << " with modifiers " << modifiers);
- if (b.last_state) {
- const binding_list_t &bindings =
- _find_key_bindings(k, modifiers);
- int max = bindings.size();
- if (max > 0) {
- for (int i = 0; i < max; i++)
- bindings[i]->fire();
- return;
- }
- }
- }
-
-
- // Use the old, default actions.
- // SG_LOG( SG_INPUT, SG_INFO, "(No user binding.)" );
- if (modifiers&FG_MOD_UP)
- return;
-
- // everything after here will be removed sooner or later...
-
- if (modifiers & FG_MOD_SHIFT) {
-
- switch (k) {
- case 72: // H key
- HUD_brightkey( true );
- return;
- case 73: // I key
- // Minimal Hud
- fgHUDInit2(¤t_aircraft);
- return;
- }
-
-
- } else {
- SG_LOG( SG_INPUT, SG_DEBUG, "" );
- switch (k) {
- case 104: // h key
- HUD_masterswitch( true );
- return;
- case 105: // i key
- fgHUDInit(¤t_aircraft); // normal HUD
- return;
-
-// START SPECIALS
-
- case 256+GLUT_KEY_F6: // F6 toggles Autopilot target location
- if ( current_autopilot->get_HeadingMode() !=
- FGAutopilot::FG_HEADING_WAYPOINT ) {
- current_autopilot->set_HeadingMode(
- FGAutopilot::FG_HEADING_WAYPOINT );
- current_autopilot->set_HeadingEnabled( true );
- } else {
- current_autopilot->set_HeadingMode(
- FGAutopilot::FG_TC_HEADING_LOCK );
- }
- return;
- case 256+GLUT_KEY_F8: {// F8 toggles fog ... off fastest nicest...
- const string &fog = fgGetString("/sim/rendering/fog");
- if (fog == "disabled") {
- fgSetString("/sim/rendering/fog", "fastest");
- SG_LOG(SG_INPUT, SG_INFO, "Fog enabled, hint=fastest");
- } else if (fog == "fastest") {
- fgSetString("/sim/rendering/fog", "nicest");
- SG_LOG(SG_INPUT, SG_INFO, "Fog enabled, hint=nicest");
- } else if (fog == "nicest") {
- fgSetString("/sim/rendering/fog", "disabled");
- SG_LOG(SG_INPUT, SG_INFO, "Fog disabled");
- } else {
- fgSetString("/sim/rendering/fog", "disabled");
- SG_LOG(SG_INPUT, SG_ALERT, "Unrecognized fog type "
- << fog << ", changed to 'disabled'");
- }
- return;
- }
- case 256+GLUT_KEY_F10: // F10 toggles menu on and off...
- SG_LOG(SG_INPUT, SG_INFO, "Invoking call back function");
- guiToggleMenu();
- return;
- case 256+GLUT_KEY_F11: // F11 Altitude Dialog.
- SG_LOG(SG_INPUT, SG_INFO, "Invoking Altitude call back function");
- NewAltitude( NULL );
- return;
- case 256+GLUT_KEY_F12: // F12 Heading Dialog...
- SG_LOG(SG_INPUT, SG_INFO, "Invoking Heading call back function");
- NewHeading( NULL );
- return;
- }
-
-// END SPECIALS
-
- }
-}
-
-
-void
-FGInput::_init_keyboard ()
-{
- // TODO: zero the old bindings first.
- SG_LOG(SG_INPUT, SG_INFO, "Initializing key bindings");
- SGPropertyNode * key_nodes = fgGetNode("/input/keyboard");
- if (key_nodes == 0) {
- SG_LOG(SG_INPUT, SG_ALERT, "No key bindings (/input/keyboard)!!");
- return;
- }
-
- vector<SGPropertyNode *> keys = key_nodes->getChildren("key");
- for (unsigned int i = 0; i < keys.size(); i++) {
- int index = keys[i]->getIndex();
- SG_LOG(SG_INPUT, SG_INFO, "Binding key " << index);
- _key_bindings[index].is_repeatable = keys[i]->getBoolValue("repeatable");
- _read_bindings(keys[i], _key_bindings[index].bindings, FG_MOD_NONE);
- }
-}
-
-
-void
-FGInput::_init_joystick ()
-{
- // TODO: zero the old bindings first.
- SG_LOG(SG_INPUT, SG_INFO, "Initializing joystick bindings");
- SGPropertyNode * js_nodes = fgGetNode("/input/joysticks");
- if (js_nodes == 0) {
- SG_LOG(SG_INPUT, SG_ALERT, "No joystick bindings (/input/joysticks)!!");
- return;
- }
-
- for (int i = 0; i < MAX_JOYSTICKS; i++) {
- const SGPropertyNode * js_node = js_nodes->getChild("js", i);
- if (js_node == 0) {
- SG_LOG(SG_INPUT, SG_ALERT, "No bindings for joystick " << i);
- continue;
- }
- jsJoystick * js = new jsJoystick(i);
- _joystick_bindings[i].js = js;
- if (js->notWorking()) {
- SG_LOG(SG_INPUT, SG_INFO, "Joystick " << i << " not found");
- continue;
- }
-#ifdef WIN32
- JOYCAPS jsCaps ;
- joyGetDevCaps( i, &jsCaps, sizeof(jsCaps) );
- int nbuttons = jsCaps.wNumButtons;
- if (nbuttons > MAX_BUTTONS) nbuttons = MAX_BUTTONS;
-#else
- int nbuttons = MAX_BUTTONS;
+ set_subsystem( "input-mouse", new FGMouseInput() );
+ set_subsystem( "input-keyboard", new FGKeyboardInput() );
+ set_subsystem( "input-joystick", new FGJoystickInput() );
+#ifdef INPUTEVENT_CLASS
+ set_subsystem( "input-event", new INPUTEVENT_CLASS() );
#endif
-
- int naxes = js->getNumAxes();
- if (naxes > MAX_AXES) naxes = MAX_AXES;
- _joystick_bindings[i].naxes = naxes;
- _joystick_bindings[i].nbuttons = nbuttons;
-
- SG_LOG(SG_INPUT, SG_INFO, "Initializing joystick " << i);
-
- // Set up range arrays
- float minRange[MAX_AXES];
- float maxRange[MAX_AXES];
- float center[MAX_AXES];
-
- // Initialize with default values
- js->getMinRange(minRange);
- js->getMaxRange(maxRange);
- js->getCenter(center);
-
- // Allocate axes and buttons
- _joystick_bindings[i].axes = new axis[naxes];
- _joystick_bindings[i].buttons = new button[nbuttons];
-
-
- //
- // Initialize the axes.
- //
- int j;
- for (j = 0; j < naxes; j++) {
- const SGPropertyNode * axis_node = js_node->getChild("axis", j);
- if (axis_node == 0) {
- SG_LOG(SG_INPUT, SG_INFO, "No bindings for axis " << j);
- continue;
- }
-
- axis &a = _joystick_bindings[i].axes[j];
-
- js->setDeadBand(j, axis_node->getDoubleValue("dead-band", 0.0));
-
- a.tolerance = axis_node->getDoubleValue("tolerance", 0.002);
- minRange[j] = axis_node->getDoubleValue("min-range", minRange[j]);
- maxRange[j] = axis_node->getDoubleValue("max-range", maxRange[j]);
- center[j] = axis_node->getDoubleValue("center", center[j]);
-
- _read_bindings(axis_node, a.bindings, FG_MOD_NONE);
-
- // Initialize the virtual axis buttons.
- _init_button(axis_node->getChild("low"), a.low, "low");
- a.low_threshold = axis_node->getDoubleValue("low-threshold", -0.9);
-
- _init_button(axis_node->getChild("high"), a.high, "high");
- a.high_threshold = axis_node->getDoubleValue("high-threshold", 0.9);
- }
-
- //
- // Initialize the buttons.
- //
- char buf[8];
- for (j = 0; j < nbuttons; j++) {
- sprintf(buf, "%d", j);
- SG_LOG(SG_INPUT, SG_INFO, "Initializing button " << j);
- _init_button(js_node->getChild("button", j),
- _joystick_bindings[i].buttons[j],
- buf);
-
- }
-
- js->setMinRange(minRange);
- js->setMaxRange(maxRange);
- js->setCenter(center);
- }
-}
-
-
-inline void
-FGInput::_init_button (const SGPropertyNode * node,
- button &b,
- const string name)
-{
- if (node == 0)
- SG_LOG(SG_INPUT, SG_INFO, "No bindings for button " << name);
- else {
- b.is_repeatable = node->getBoolValue("repeatable", b.is_repeatable);
-
- // Get the bindings for the button
- _read_bindings(node, b.bindings, FG_MOD_NONE);
- }
-}
-
-
-void
-FGInput::_update_keyboard ()
-{
- // no-op
-}
-
-
-void
-FGInput::_update_joystick ()
-{
- int modifiers = FG_MOD_NONE; // FIXME: any way to get the real ones?
- int buttons;
- // float js_val, diff;
- float axis_values[MAX_AXES];
-
- int i;
- int j;
-
- for ( i = 0; i < MAX_JOYSTICKS; i++) {
-
- jsJoystick * js = _joystick_bindings[i].js;
- if (js == 0 || js->notWorking())
- continue;
-
- js->read(&buttons, axis_values);
-
-
- // Fire bindings for the axes.
- for ( j = 0; j < _joystick_bindings[i].naxes; j++) {
- axis &a = _joystick_bindings[i].axes[j];
-
- // Do nothing if the axis position
- // is unchanged; only a change in
- // position fires the bindings.
- if (fabs(axis_values[j] - a.last_value) > a.tolerance) {
-// SG_LOG(SG_INPUT, SG_INFO, "Axis " << j << " has moved");
- SGPropertyNode node;
- a.last_value = axis_values[j];
-// SG_LOG(SG_INPUT, SG_INFO, "There are "
-// << a.bindings[modifiers].size() << " bindings");
- for (unsigned int k = 0; k < a.bindings[modifiers].size(); k++)
- a.bindings[modifiers][k]->fire(axis_values[j]);
- }
-
- // do we have to emulate axis buttons?
- if (a.low.bindings[modifiers].size())
- _update_button(_joystick_bindings[i].axes[j].low,
- modifiers,
- axis_values[j] < a.low_threshold);
-
- if (a.high.bindings[modifiers].size())
- _update_button(_joystick_bindings[i].axes[j].high,
- modifiers,
- axis_values[j] > a.high_threshold);
- }
-
- // Fire bindings for the buttons.
- for (j = 0; j < _joystick_bindings[i].nbuttons; j++) {
- _update_button(_joystick_bindings[i].buttons[j],
- modifiers,
- (buttons & (1 << j)) > 0);
- }
- }
-}
-
-
-void
-FGInput::_update_button (button &b, int modifiers, bool pressed)
-{
- if (pressed) {
- // The press event may be repeated.
- if (!b.last_state || b.is_repeatable) {
- // SG_LOG( SG_INPUT, SG_INFO, "Button has been pressed" );
- for (unsigned int k = 0; k < b.bindings[modifiers].size(); k++)
- b.bindings[modifiers][k]->fire();
- }
- } else {
- // The release event is never repeated.
- if (b.last_state) {
- // SG_LOG( SG_INPUT, SG_INFO, "Button has been released" );
- for (unsigned int k = 0; k < b.bindings[modifiers|FG_MOD_UP].size(); k++)
- b.bindings[modifiers|FG_MOD_UP][k]->fire();
- }
- }
-
- b.last_state = pressed;
-}
-
-
-void
-FGInput::_read_bindings (const SGPropertyNode * node,
- binding_list_t * binding_list,
- int modifiers)
-{
- SG_LOG(SG_INPUT, SG_INFO, "Reading all bindings");
- vector<const SGPropertyNode *> bindings = node->getChildren("binding");
- for (unsigned int i = 0; i < bindings.size(); i++) {
- SG_LOG(SG_INPUT, SG_INFO, "Reading binding "
- << bindings[i]->getStringValue("command"));
- binding_list[modifiers].push_back(new FGBinding(bindings[i]));
- }
-
- // Read nested bindings for modifiers
- if (node->getChild("mod-up") != 0)
- _read_bindings(node->getChild("mod-up"), binding_list,
- modifiers|FG_MOD_UP);
-
- if (node->getChild("mod-shift") != 0)
- _read_bindings(node->getChild("mod-shift"), binding_list,
- modifiers|FG_MOD_SHIFT);
-
- if (node->getChild("mod-ctrl") != 0)
- _read_bindings(node->getChild("mod-ctrl"), binding_list,
- modifiers|FG_MOD_CTRL);
-
- if (node->getChild("mod-alt") != 0)
- _read_bindings(node->getChild("mod-alt"), binding_list,
- modifiers|FG_MOD_ALT);
-}
-
-
-const vector<FGBinding *> &
-FGInput::_find_key_bindings (unsigned int k, int modifiers)
-{
- button &b = _key_bindings[k];
-
- // Try it straight, first.
- if (b.bindings[modifiers].size() > 0)
- return b.bindings[modifiers];
-
- // Try removing the control modifier
- // for control keys.
- else if ((modifiers&FG_MOD_CTRL) && iscntrl(k))
- return _find_key_bindings(k, modifiers&~FG_MOD_CTRL);
-
- // Try removing shift modifier
- // for upper case or any punctuation
- // (since different keyboards will
- // shift different punctuation types)
- else if ((modifiers&FG_MOD_SHIFT) && (isupper(k) || ispunct(k)))
- return _find_key_bindings(k, modifiers&~FG_MOD_SHIFT);
-
- // Try removing alt modifier for
- // high-bit characters.
- else if ((modifiers&FG_MOD_ALT) && k >= 128 && k < 256)
- return _find_key_bindings(k, modifiers&~FG_MOD_ALT);
-
- // Give up and return the empty vector.
- else
- return b.bindings[modifiers];
-}
-
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Implementation of FGInput::button.
-////////////////////////////////////////////////////////////////////////
-
-FGInput::button::button ()
- : is_repeatable(false),
- last_state(-1)
-{
-}
-
-FGInput::button::~button ()
-{
- // FIXME: memory leak
-// for (int i = 0; i < FG_MOD_MAX; i++)
-// for (int j = 0; i < bindings[i].size(); j++)
-// delete bindings[i][j];
-}
-
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Implementation of FGInput::axis.
-////////////////////////////////////////////////////////////////////////
-
-FGInput::axis::axis ()
- : last_value(9999999),
- tolerance(0.002),
- low_threshold(-0.9),
- high_threshold(0.9)
-{
-}
-
-FGInput::axis::~axis ()
-{
-// for (int i = 0; i < FG_MOD_MAX; i++)
-// for (int j = 0; i < bindings[i].size(); j++)
-// delete bindings[i][j];
-}
-
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Implementation of FGInput::joystick.
-////////////////////////////////////////////////////////////////////////
-
-FGInput::joystick::joystick ()
-{
-}
-
-FGInput::joystick::~joystick ()
-{
-// delete js;
-// delete[] axes;
-// delete[] buttons;
}
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Implementation of GLUT callbacks.
-////////////////////////////////////////////////////////////////////////
-
-
-/**
- * Construct the modifiers.
- */
-static inline int get_mods ()
-{
- int glut_modifiers = glutGetModifiers();
- int modifiers = 0;
-
- if (glut_modifiers & GLUT_ACTIVE_SHIFT)
- modifiers |= FGInput::FG_MOD_SHIFT;
- if (glut_modifiers & GLUT_ACTIVE_CTRL)
- modifiers |= FGInput::FG_MOD_CTRL;
- if (glut_modifiers & GLUT_ACTIVE_ALT)
- modifiers |= FGInput::FG_MOD_ALT;
-
- return modifiers;
-}
-
-
-/**
- * Key-down event handler for Glut.
- *
- * <p>Pass the value on to the FGInput module unless PUI wants it.</p>
- *
- * @param k The integer value for the key pressed.
- * @param x (unused)
- * @param y (unused)
- */
-void GLUTkey(unsigned char k, int x, int y)
-{
- // Give PUI a chance to grab it first.
- if (!puKeyboard(k, PU_DOWN))
- current_input.doKey(k, get_mods(), x, y);
-}
-
-
-/**
- * Key-up event handler for GLUT.
- *
- * <p>PUI doesn't use this, so always pass it to the input manager.</p>
- *
- * @param k The integer value for the key pressed.
- * @param x (unused)
- * @param y (unused)
- */
-void GLUTkeyup(unsigned char k, int x, int y)
-{
- current_input.doKey(k, get_mods()|FGInput::FG_MOD_UP, x, y);
-}
-
-
-/**
- * Special key-down handler for Glut.
- *
- * <p>Pass the value on to the FGInput module unless PUI wants it.
- * The key value will have 256 added to it.</p>
- *
- * @param k The integer value for the key pressed (will have 256 added
- * to it).
- * @param x (unused)
- * @param y (unused)
- */
-void GLUTspecialkey(int k, int x, int y)
-{
- // Give PUI a chance to grab it first.
- if (!puKeyboard(k + PU_KEY_GLUT_SPECIAL_OFFSET, PU_DOWN))
- current_input.doKey(k + 256, get_mods(), x, y);
-}
-
-
-/**
- * Special key-up handler for Glut.
- *
- * @param k The integer value for the key pressed (will have 256 added
- * to it).
- * @param x (unused)
- * @param y (unused)
- */
-void GLUTspecialkeyup(int k, int x, int y)
+FGInput::~FGInput ()
{
- current_input.doKey(k + 256, get_mods()|FGInput::FG_MOD_UP, x, y);
+ // SGSubsystemGroup deletes all subsystem in it's destructor
}
-// end of input.cxx