1 // input.cxx -- handle user input from various sources.
3 // Written by David Megginson, started May 2001.
5 // Copyright (C) 2001 David Megginson, david@megginson.com
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 #include <simgear/compiler.h>
40 #include <simgear/compiler.h>
42 #include <simgear/constants.h>
43 #include <simgear/debug/logstream.hxx>
44 #include <simgear/props/props.hxx>
46 #include <Aircraft/aircraft.hxx>
47 #include <Autopilot/xmlauto.hxx>
48 #include <Cockpit/hud.hxx>
49 #include <Cockpit/panel.hxx>
50 #include <Cockpit/panel_io.hxx>
52 #include <Model/panelnode.hxx>
53 #include <Scripting/NasalSys.hxx>
55 #include <Main/globals.hxx>
56 #include <Main/fg_props.hxx>
60 #include <Scenery/scenery.hxx>
61 #include <Main/renderer.hxx>
63 #include <simgear/math/sg_geodesy.hxx>
65 SG_USING_STD(ifstream);
69 void mouseClickHandler(int button, int updown, int x, int y);
70 void mouseMotionHandler(int x, int y);
71 void keyHandler(int key, int keymod, int mousex, int mousey);
74 ////////////////////////////////////////////////////////////////////////
76 ////////////////////////////////////////////////////////////////////////
78 static FGInput * default_input = 0;
82 ////////////////////////////////////////////////////////////////////////
83 // Implementation of FGBinding.
84 ////////////////////////////////////////////////////////////////////////
86 FGBinding::FGBinding ()
88 _arg(new SGPropertyNode),
93 FGBinding::FGBinding (const SGPropertyNode * node)
101 FGBinding::~FGBinding ()
103 _arg->getParent()->removeChild(_arg->getName(), _arg->getIndex(), false);
107 FGBinding::read (const SGPropertyNode * node)
109 const SGPropertyNode * conditionNode = node->getChild("condition");
110 if (conditionNode != 0)
111 setCondition(sgReadCondition(globals->get_props(), conditionNode));
113 _command_name = node->getStringValue("command", "");
114 if (_command_name.empty()) {
115 SG_LOG(SG_INPUT, SG_WARN, "No command supplied for binding.");
120 _arg = (SGPropertyNode *)node;
125 FGBinding::fire () const
129 _command = globals->get_commands()->getCommand(_command_name);
131 SG_LOG(SG_INPUT, SG_WARN, "No command attached to binding");
132 } else if (!(*_command)(_arg)) {
133 SG_LOG(SG_INPUT, SG_ALERT, "Failed to execute command "
140 FGBinding::fire (double offset, double max) const
143 _arg->setDoubleValue("offset", offset/max);
149 FGBinding::fire (double setting) const
152 // A value is automatically added to
154 if (_setting == 0) // save the setting node for efficiency
155 _setting = _arg->getChild("setting", 0, true);
156 _setting->setDoubleValue(setting);
163 ////////////////////////////////////////////////////////////////////////
164 // Implementation of FGInput.
165 ////////////////////////////////////////////////////////////////////////
170 if (default_input == 0)
171 default_input = this;
176 if (default_input == this)
187 fgRegisterKeyHandler(keyHandler);
188 fgRegisterMouseClickHandler(mouseClickHandler);
189 fgRegisterMouseMotionHandler(mouseMotionHandler);
201 _postinit_joystick();
205 FGInput::update (double dt)
208 _update_joystick(dt);
225 FGInput::is_suspended () const
231 FGInput::makeDefault (bool status)
234 default_input = this;
235 else if (default_input == this)
240 FGInput::doKey (int k, int modifiers, int x, int y)
243 if (k < 0 || k >= MAX_KEYS) {
244 SG_LOG(SG_INPUT, SG_WARN, "Key value " << k << " out of range");
248 button &b = _key_bindings[k];
251 if (!(modifiers & KEYMOD_RELEASED)) {
252 SG_LOG( SG_INPUT, SG_DEBUG, "User pressed key " << k
253 << " with modifiers " << modifiers );
254 if (!b.last_state || b.is_repeatable) {
255 const binding_list_t &bindings = _find_key_bindings(k, modifiers);
257 for (unsigned int i = 0; i < bindings.size(); i++)
264 SG_LOG(SG_INPUT, SG_DEBUG, "User released key " << k
265 << " with modifiers " << modifiers);
267 const binding_list_t &bindings = _find_key_bindings(k, modifiers);
268 for (unsigned int i = 0; i < bindings.size(); i++)
272 if (k >= 1 && k <= 26) {
273 if (_key_bindings[k + '@'].last_state)
274 doKey(k + '@', KEYMOD_RELEASED, x, y);
275 if (_key_bindings[k + '`'].last_state)
276 doKey(k + '`', KEYMOD_RELEASED, x, y);
277 } else if (k >= 'A' && k <= 'Z') {
278 if (_key_bindings[k - '@'].last_state)
279 doKey(k - '@', KEYMOD_RELEASED, x, y);
280 if (_key_bindings[tolower(k)].last_state)
281 doKey(tolower(k), KEYMOD_RELEASED, x, y);
282 } else if (k >= 'a' && k <= 'z') {
283 if (_key_bindings[k - '`'].last_state)
284 doKey(k - '`', KEYMOD_RELEASED, x, y);
285 if (_key_bindings[toupper(k)].last_state)
286 doKey(toupper(k), KEYMOD_RELEASED, x, y);
293 FGInput::doMouseClick (int b, int updown, int x, int y)
295 int modifiers = fgGetKeyModifiers();
297 mouse &m = _mouse_bindings[0];
298 mouse_mode &mode = m.modes[m.current_mode];
300 // Let the property manager know.
301 if (b >= 0 && b < MAX_MOUSE_BUTTONS)
302 m.mouse_button_nodes[b]->setBoolValue(updown == MOUSE_BUTTON_DOWN);
304 // Pass on to PUI and the panel if
305 // requested, and return if one of
306 // them consumes the event.
307 if (mode.pass_through) {
308 if (puMouse(b, updown, x, y))
310 else if ((globals->get_current_panel() != 0) &&
311 globals->get_current_panel()->getVisibility() &&
312 globals->get_current_panel()->doMouseAction(b, updown, x, y))
314 else if (fgHandle3DPanelMouseEvent(b, updown, x, y))
317 // pui and the panel didn't want the click event so compute a
318 // terrain intersection point corresponding to the mouse click
320 FGScenery* scenery = globals->get_scenery();
321 sgdVec3 start, dir, hit;
322 if (updown == MOUSE_BUTTON_DOWN && FGRenderer::getPickInfo(start, dir, x, y)
323 && scenery->get_cart_ground_intersection(start, dir, hit)) {
325 Point3D geod = sgCartToGeod(Point3D(hit[0], hit[1], hit[2]));
327 SGPropertyNode *c = fgGetNode("/sim/input/click", true);
328 c->setDoubleValue("longitude-deg", geod.lon() * SGD_RADIANS_TO_DEGREES);
329 c->setDoubleValue("latitude-deg", geod.lat() * SGD_RADIANS_TO_DEGREES);
330 c->setDoubleValue("elevation-m", geod.elev());
331 c->setDoubleValue("elevation-ft", geod.elev() * SG_METER_TO_FEET);
336 // OK, PUI and the panel didn't want the click
337 if (b >= MAX_MOUSE_BUTTONS) {
338 SG_LOG(SG_INPUT, SG_ALERT, "Mouse button " << b
339 << " where only " << MAX_MOUSE_BUTTONS << " expected");
343 _update_button(m.modes[m.current_mode].buttons[b], modifiers, 0 != updown, x, y);
347 FGInput::doMouseMotion (int x, int y)
349 // Don't call fgGetKeyModifiers() here, until we are using a
350 // toolkit that supports getting the mods from outside a key
351 // callback. Glut doesn't.
352 int modifiers = KEYMOD_NONE;
354 int xsize = fgGetInt("/sim/startup/xsize", 800);
355 int ysize = fgGetInt("/sim/startup/ysize", 600);
357 mouse &m = _mouse_bindings[0];
359 if (m.current_mode < 0 || m.current_mode >= m.nModes) {
364 mouse_mode &mode = m.modes[m.current_mode];
366 // Pass on to PUI if requested, and return
367 // if PUI consumed the event.
368 if (mode.pass_through && puMouse(x, y)) {
374 // OK, PUI didn't want the event,
375 // so we can play with it.
378 for (unsigned int i = 0; i < mode.x_bindings[modifiers].size(); i++)
379 mode.x_bindings[modifiers][i]->fire(double(delta), double(xsize));
383 for (unsigned int i = 0; i < mode.y_bindings[modifiers].size(); i++)
384 mode.y_bindings[modifiers][i]->fire(double(delta), double(ysize));
387 // Constrain the mouse if requested
388 if (mode.constrained) {
389 bool need_warp = false;
393 } else if (x >= (xsize-1)) {
401 } else if (y >= (ysize-1)) {
414 FGInput::_init_keyboard ()
416 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing key bindings");
418 SGPropertyNode * key_nodes = fgGetNode("/input/keyboard");
419 if (key_nodes == 0) {
420 SG_LOG(SG_INPUT, SG_WARN, "No key bindings (/input/keyboard)!!");
421 key_nodes = fgGetNode("/input/keyboard", true);
424 vector<SGPropertyNode_ptr> keys = key_nodes->getChildren("key");
425 for (unsigned int i = 0; i < keys.size(); i++) {
426 int index = keys[i]->getIndex();
427 SG_LOG(SG_INPUT, SG_DEBUG, "Binding key " << index);
429 _key_bindings[index].bindings->clear();
430 _key_bindings[index].is_repeatable = keys[i]->getBoolValue("repeatable");
431 _key_bindings[index].last_state = 0;
432 _read_bindings(keys[i], _key_bindings[index].bindings, KEYMOD_NONE);
438 FGInput::_scan_joystick_dir(SGPath *path, SGPropertyNode* node, int *index)
440 ulDir *dir = ulOpenDir(path->c_str());
443 while ((dent = ulReadDir(dir)) != 0) {
444 if (dent->d_name[0] == '.')
447 SGPath p(path->str());
448 p.append(dent->d_name);
449 _scan_joystick_dir(&p, node, index);
453 } else if (path->extension() == "xml") {
454 SG_LOG(SG_INPUT, SG_DEBUG, "Reading joystick file " << path->str());
455 SGPropertyNode *n = node->getChild("js-named", (*index)++, true);
456 readProperties(path->str(), n);
457 n->setStringValue("source", path->c_str());
463 FGInput::_init_joystick ()
466 // TODO: zero the old bindings first.
467 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick bindings");
468 SGPropertyNode * js_nodes = fgGetNode("/input/joysticks", true);
470 // read all joystick xml files into /input/joysticks/js_named[1000++]
471 SGPath path(globals->get_fg_root());
472 path.append("Input/Joysticks");
473 int js_named_index = 1000;
474 _scan_joystick_dir(&path, js_nodes, &js_named_index);
476 // build name->node map with each <name> (reverse order)
477 map<string, SGPropertyNode_ptr> jsmap;
478 vector<SGPropertyNode_ptr> js_named = js_nodes->getChildren("js-named");
480 for (int k = (int)js_named.size() - 1; k >= 0; k--) {
481 SGPropertyNode *n = js_named[k];
482 vector<SGPropertyNode_ptr> names = n->getChildren("name");
483 if (names.size() && (n->getChildren("axis").size() || n->getChildren("button").size()))
484 for (unsigned int j = 0; j < names.size(); j++)
485 jsmap[names[j]->getStringValue()] = n;
489 for (int i = 0; i < MAX_JOYSTICKS; i++) {
490 jsJoystick * js = new jsJoystick(i);
491 _joystick_bindings[i].js = js;
493 if (js->notWorking()) {
494 SG_LOG(SG_INPUT, SG_DEBUG, "Joystick " << i << " not found");
498 const char * name = js->getName();
499 SGPropertyNode_ptr js_node = js_nodes->getChild("js", i);
502 SG_LOG(SG_INPUT, SG_INFO, "Using existing bindings for joystick " << i);
505 SG_LOG(SG_INPUT, SG_INFO, "Looking for bindings for joystick \"" << name << '"');
506 SGPropertyNode_ptr named;
508 if ((named = jsmap[name])) {
509 string source = named->getStringValue("source", "user defined");
510 SG_LOG(SG_INPUT, SG_INFO, "... found joystick: " << source);
512 } else if ((named = jsmap["default"])) {
513 string source = named->getStringValue("source", "user defined");
514 SG_LOG(SG_INPUT, SG_INFO, "No config found for joystick \"" << name
515 << "\"\nUsing default: \"" << source << '"');
518 throw sg_throwable(string("No joystick configuration file with "
519 "<name>default</name> entry found!"));
522 js_node = js_nodes->getChild("js", i, true);
523 copyProperties(named, js_node);
524 js_node->setStringValue("id", name);
528 // get rid of unused config nodes
529 js_nodes->removeChildren("js-named", false);
534 FGInput::_postinit_joystick()
536 FGNasalSys *nasalsys = (FGNasalSys *)globals->get_subsystem("nasal");
537 SGPropertyNode *js_nodes = fgGetNode("/input/joysticks");
539 for (int i = 0; i < MAX_JOYSTICKS; i++) {
540 SGPropertyNode_ptr js_node = js_nodes->getChild("js", i);
541 jsJoystick *js = _joystick_bindings[i].js;
542 if (!js_node || js->notWorking())
547 joyGetDevCaps( i, &jsCaps, sizeof(jsCaps) );
548 unsigned int nbuttons = jsCaps.wNumButtons;
549 if (nbuttons > MAX_JOYSTICK_BUTTONS) nbuttons = MAX_JOYSTICK_BUTTONS;
551 unsigned int nbuttons = MAX_JOYSTICK_BUTTONS;
554 int naxes = js->getNumAxes();
555 if (naxes > MAX_JOYSTICK_AXES) naxes = MAX_JOYSTICK_AXES;
556 _joystick_bindings[i].naxes = naxes;
557 _joystick_bindings[i].nbuttons = nbuttons;
559 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick " << i);
561 // Set up range arrays
562 float minRange[MAX_JOYSTICK_AXES];
563 float maxRange[MAX_JOYSTICK_AXES];
564 float center[MAX_JOYSTICK_AXES];
566 // Initialize with default values
567 js->getMinRange(minRange);
568 js->getMaxRange(maxRange);
569 js->getCenter(center);
571 // Allocate axes and buttons
572 _joystick_bindings[i].axes = new axis[naxes];
573 _joystick_bindings[i].buttons = new button[nbuttons];
576 // Initialize nasal groups.
579 init = "this=\"" + string(js_node->getPath()) + "\"";
580 sprintf(_module, "__js%d", i);
581 nasalsys->createModule(_module, _module, init.c_str(), init.size());
583 vector<SGPropertyNode_ptr> nasal = js_node->getChildren("nasal");
585 for (j = 0; j < nasal.size(); j++) {
586 nasal[j]->setStringValue("module", _module);
587 nasalsys->handleCommand(nasal[j]);
591 // Initialize the axes.
593 vector<SGPropertyNode_ptr> axes = js_node->getChildren("axis");
594 size_t nb_axes = axes.size();
595 for (j = 0; j < nb_axes; j++ ) {
596 const SGPropertyNode * axis_node = axes[j];
597 const SGPropertyNode * num_node = axis_node->getChild("number");
598 int n_axis = axis_node->getIndex();
600 n_axis = num_node->getIntValue(TGT_PLATFORM, -1);
602 // Silently ignore platforms that are not specified within the
603 // <number></number> section
608 if (n_axis >= naxes) {
609 SG_LOG(SG_INPUT, SG_DEBUG, "Dropping bindings for axis " << n_axis);
612 axis &a = _joystick_bindings[i].axes[n_axis];
614 js->setDeadBand(n_axis, axis_node->getDoubleValue("dead-band", 0.0));
616 a.tolerance = axis_node->getDoubleValue("tolerance", 0.002);
617 minRange[n_axis] = axis_node->getDoubleValue("min-range", minRange[n_axis]);
618 maxRange[n_axis] = axis_node->getDoubleValue("max-range", maxRange[n_axis]);
619 center[n_axis] = axis_node->getDoubleValue("center", center[n_axis]);
621 _read_bindings(axis_node, a.bindings, KEYMOD_NONE);
623 // Initialize the virtual axis buttons.
624 _init_button(axis_node->getChild("low"), a.low, "low");
625 a.low_threshold = axis_node->getDoubleValue("low-threshold", -0.9);
627 _init_button(axis_node->getChild("high"), a.high, "high");
628 a.high_threshold = axis_node->getDoubleValue("high-threshold", 0.9);
629 a.interval_sec = axis_node->getDoubleValue("interval-sec",0.0);
634 // Initialize the buttons.
636 vector<SGPropertyNode_ptr> buttons = js_node->getChildren("button");
638 for (j = 0; j < buttons.size() && j < nbuttons; j++) {
639 const SGPropertyNode * button_node = buttons[j];
640 const SGPropertyNode * num_node = button_node->getChild("number");
641 size_t n_but = button_node->getIndex();
643 n_but = num_node->getIntValue(TGT_PLATFORM,n_but);
646 if (n_but >= nbuttons) {
647 SG_LOG(SG_INPUT, SG_DEBUG, "Dropping bindings for button " << n_but);
651 sprintf(buf, "%d", n_but);
652 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing button " << n_but);
653 _init_button(button_node,
654 _joystick_bindings[i].buttons[n_but],
657 // get interval-sec property
658 button &b = _joystick_bindings[i].buttons[n_but];
659 if (button_node != 0) {
660 b.interval_sec = button_node->getDoubleValue("interval-sec",0.0);
665 js->setMinRange(minRange);
666 js->setMaxRange(maxRange);
667 js->setCenter(center);
673 // Map of all known cursor names
674 // This used to contain all the Glut cursors, but those are
675 // not defined by other toolkits. It now supports only the cursor
676 // images we actually use, in the interest of portability. Someday,
677 // it would be cool to write an OpenGL cursor renderer, with the
678 // cursors defined as textures referenced in the property tree. This
679 // list could then be eliminated. -Andy
684 } mouse_cursor_map[] = {
685 { "none", MOUSE_CURSOR_NONE },
686 { "inherit", MOUSE_CURSOR_POINTER },
687 { "wait", MOUSE_CURSOR_WAIT },
688 { "crosshair", MOUSE_CURSOR_CROSSHAIR },
689 { "left-right", MOUSE_CURSOR_LEFTRIGHT },
694 FGInput::_init_mouse ()
696 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse bindings");
699 SGPropertyNode * mouse_nodes = fgGetNode("/input/mice");
700 if (mouse_nodes == 0) {
701 SG_LOG(SG_INPUT, SG_WARN, "No mouse bindings (/input/mice)!!");
702 mouse_nodes = fgGetNode("/input/mice", true);
706 for (int i = 0; i < MAX_MICE; i++) {
707 SGPropertyNode * mouse_node = mouse_nodes->getChild("mouse", i, true);
708 mouse &m = _mouse_bindings[i];
710 // Grab node pointers
712 sprintf(buf, "/devices/status/mice/mouse[%d]/mode", i);
713 m.mode_node = fgGetNode(buf);
714 if (m.mode_node == NULL) {
715 m.mode_node = fgGetNode(buf, true);
716 m.mode_node->setIntValue(0);
718 for (j = 0; j < MAX_MOUSE_BUTTONS; j++) {
719 sprintf(buf, "/devices/status/mice/mouse[%d]/button[%d]", i, j);
720 m.mouse_button_nodes[j] = fgGetNode(buf, true);
721 m.mouse_button_nodes[j]->setBoolValue(false);
724 // Read all the modes
725 m.nModes = mouse_node->getIntValue("mode-count", 1);
726 m.modes = new mouse_mode[m.nModes];
728 for (int j = 0; j < m.nModes; j++) {
731 // Read the mouse cursor for this mode
732 SGPropertyNode * mode_node = mouse_node->getChild("mode", j, true);
733 const char * cursor_name =
734 mode_node->getStringValue("cursor", "inherit");
735 m.modes[j].cursor = MOUSE_CURSOR_POINTER;
736 for (k = 0; mouse_cursor_map[k].name != 0; k++) {
737 if (!strcmp(mouse_cursor_map[k].name, cursor_name)) {
738 m.modes[j].cursor = mouse_cursor_map[k].cursor;
743 // Read other properties for this mode
744 m.modes[j].constrained = mode_node->getBoolValue("constrained", false);
745 m.modes[j].pass_through = mode_node->getBoolValue("pass-through", false);
747 // Read the button bindings for this mode
748 m.modes[j].buttons = new button[MAX_MOUSE_BUTTONS];
750 for (k = 0; k < MAX_MOUSE_BUTTONS; k++) {
751 sprintf(buf, "mouse button %d", k);
752 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse button " << k);
753 _init_button(mode_node->getChild("button", k),
754 m.modes[j].buttons[k],
758 // Read the axis bindings for this mode
759 _read_bindings(mode_node->getChild("x-axis", 0, true),
760 m.modes[j].x_bindings,
762 _read_bindings(mode_node->getChild("y-axis", 0, true),
763 m.modes[j].y_bindings,
771 FGInput::_init_button (const SGPropertyNode * node,
776 SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for button " << name);
778 b.is_repeatable = node->getBoolValue("repeatable", b.is_repeatable);
780 // Get the bindings for the button
781 _read_bindings(node, b.bindings, KEYMOD_NONE);
787 FGInput::_update_keyboard ()
794 FGInput::_update_joystick (double dt)
796 int modifiers = KEYMOD_NONE; // FIXME: any way to get the real ones?
798 // float js_val, diff;
799 float axis_values[MAX_JOYSTICK_AXES];
804 for ( i = 0; i < MAX_JOYSTICKS; i++) {
806 jsJoystick * js = _joystick_bindings[i].js;
807 if (js == 0 || js->notWorking())
810 js->read(&buttons, axis_values);
812 // Fire bindings for the axes.
813 for ( j = 0; j < _joystick_bindings[i].naxes; j++) {
814 axis &a = _joystick_bindings[i].axes[j];
816 // Do nothing if the axis position
817 // is unchanged; only a change in
818 // position fires the bindings.
819 if (fabs(axis_values[j] - a.last_value) > a.tolerance) {
820 // SG_LOG(SG_INPUT, SG_DEBUG, "Axis " << j << " has moved");
821 a.last_value = axis_values[j];
822 // SG_LOG(SG_INPUT, SG_DEBUG, "There are "
823 // << a.bindings[modifiers].size() << " bindings");
824 for (unsigned int k = 0; k < a.bindings[modifiers].size(); k++)
825 a.bindings[modifiers][k]->fire(axis_values[j]);
828 // do we have to emulate axis buttons?
830 if(a.last_dt >= a.interval_sec) {
831 if (a.low.bindings[modifiers].size())
832 _update_button(_joystick_bindings[i].axes[j].low,
834 axis_values[j] < a.low_threshold,
837 if (a.high.bindings[modifiers].size())
838 _update_button(_joystick_bindings[i].axes[j].high,
840 axis_values[j] > a.high_threshold,
842 a.last_dt -= a.interval_sec;
846 // Fire bindings for the buttons.
847 for (j = 0; j < _joystick_bindings[i].nbuttons; j++) {
848 button &b = _joystick_bindings[i].buttons[j];
850 if(b.last_dt >= b.interval_sec) {
851 _update_button(_joystick_bindings[i].buttons[j],
853 (buttons & (1 << j)) > 0,
855 b.last_dt -= b.interval_sec;
862 FGInput::_update_mouse ( double dt )
864 mouse &m = _mouse_bindings[0];
865 int mode = m.mode_node->getIntValue();
866 if (mode != m.current_mode) {
867 m.current_mode = mode;
868 m.timeout = fgGetDouble( "/sim/mouse/cursor-timeout-sec", 10.0 );
869 if (mode >= 0 && mode < m.nModes) {
870 fgSetMouseCursor(m.modes[mode].cursor);
871 m.x = fgGetInt("/sim/startup/xsize", 800) / 2;
872 m.y = fgGetInt("/sim/startup/ysize", 600) / 2;
873 fgWarpMouse(m.x, m.y);
875 SG_LOG(SG_INPUT, SG_DEBUG, "Mouse mode " << mode << " out of range");
876 fgSetMouseCursor(MOUSE_CURSOR_POINTER);
880 if ( fgGetBool( "/sim/mouse/hide-cursor", true ) ) {
881 if ( m.x != m.save_x || m.y != m.save_y ) {
882 m.timeout = fgGetDouble( "/sim/mouse/cursor-timeout-sec", 10.0 );
883 fgSetMouseCursor(m.modes[mode].cursor);
886 if ( m.timeout <= 0.0 ) {
887 fgSetMouseCursor(MOUSE_CURSOR_NONE);
897 FGInput::_update_button (button &b, int modifiers, bool pressed,
901 // The press event may be repeated.
902 if (!b.last_state || b.is_repeatable) {
903 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been pressed" );
904 for (unsigned int k = 0; k < b.bindings[modifiers].size(); k++)
905 b.bindings[modifiers][k]->fire(x, y);
908 // The release event is never repeated.
910 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been released" );
911 for (unsigned int k = 0; k < b.bindings[modifiers|KEYMOD_RELEASED].size(); k++)
912 b.bindings[modifiers|KEYMOD_RELEASED][k]->fire(x, y);
916 b.last_state = pressed;
921 FGInput::_read_bindings (const SGPropertyNode * node,
922 binding_list_t * binding_list,
925 SG_LOG(SG_INPUT, SG_DEBUG, "Reading all bindings");
926 vector<SGPropertyNode_ptr> bindings = node->getChildren("binding");
927 for (unsigned int i = 0; i < bindings.size(); i++) {
928 const char *cmd = bindings[i]->getStringValue("command");
929 SG_LOG(SG_INPUT, SG_DEBUG, "Reading binding " << cmd);
931 if (!strcmp(cmd, "nasal") && _module[0])
932 bindings[i]->setStringValue("module", _module);
933 binding_list[modifiers].push_back(new FGBinding(bindings[i]));
936 // Read nested bindings for modifiers
937 if (node->getChild("mod-up") != 0)
938 _read_bindings(node->getChild("mod-up"), binding_list,
939 modifiers|KEYMOD_RELEASED);
941 if (node->getChild("mod-shift") != 0)
942 _read_bindings(node->getChild("mod-shift"), binding_list,
943 modifiers|KEYMOD_SHIFT);
945 if (node->getChild("mod-ctrl") != 0)
946 _read_bindings(node->getChild("mod-ctrl"), binding_list,
947 modifiers|KEYMOD_CTRL);
949 if (node->getChild("mod-alt") != 0)
950 _read_bindings(node->getChild("mod-alt"), binding_list,
951 modifiers|KEYMOD_ALT);
955 const vector<FGBinding *> &
956 FGInput::_find_key_bindings (unsigned int k, int modifiers)
958 unsigned char kc = (unsigned char)k;
959 button &b = _key_bindings[k];
961 // Try it straight, first.
962 if (b.bindings[modifiers].size() > 0)
963 return b.bindings[modifiers];
965 // Alt-Gr is CTRL+ALT
966 else if (modifiers&(KEYMOD_CTRL|KEYMOD_ALT))
967 return _find_key_bindings(k, modifiers&~(KEYMOD_CTRL|KEYMOD_ALT));
969 // Try removing the control modifier
971 else if ((modifiers&KEYMOD_CTRL) && iscntrl(kc))
972 return _find_key_bindings(k, modifiers&~KEYMOD_CTRL);
974 // Try removing shift modifier
975 // for upper case or any punctuation
976 // (since different keyboards will
977 // shift different punctuation types)
978 else if ((modifiers&KEYMOD_SHIFT) && (isupper(kc) || ispunct(kc)))
979 return _find_key_bindings(k, modifiers&~KEYMOD_SHIFT);
981 // Try removing alt modifier for
982 // high-bit characters.
983 else if ((modifiers&KEYMOD_ALT) && k >= 128 && k < 256)
984 return _find_key_bindings(k, modifiers&~KEYMOD_ALT);
986 // Give up and return the empty vector.
988 return b.bindings[modifiers];
993 ////////////////////////////////////////////////////////////////////////
994 // Implementation of FGInput::button.
995 ////////////////////////////////////////////////////////////////////////
997 FGInput::button::button ()
998 : is_repeatable(false),
1005 FGInput::button::~button ()
1007 // FIXME: memory leak
1008 // for (int i = 0; i < KEYMOD_MAX; i++)
1009 // for (int j = 0; i < bindings[i].size(); j++)
1010 // delete bindings[i][j];
1015 ////////////////////////////////////////////////////////////////////////
1016 // Implementation of FGInput::axis.
1017 ////////////////////////////////////////////////////////////////////////
1019 FGInput::axis::axis ()
1020 : last_value(9999999),
1022 low_threshold(-0.9),
1023 high_threshold(0.9),
1029 FGInput::axis::~axis ()
1031 // for (int i = 0; i < KEYMOD_MAX; i++)
1032 // for (int j = 0; i < bindings[i].size(); j++)
1033 // delete bindings[i][j];
1038 ////////////////////////////////////////////////////////////////////////
1039 // Implementation of FGInput::joystick.
1040 ////////////////////////////////////////////////////////////////////////
1042 FGInput::joystick::joystick ()
1052 FGInput::joystick::~joystick ()
1061 ////////////////////////////////////////////////////////////////////////
1062 // Implementation of FGInput::mouse_mode
1063 ////////////////////////////////////////////////////////////////////////
1065 FGInput::mouse_mode::mouse_mode ()
1066 : cursor(MOUSE_CURSOR_POINTER),
1068 pass_through(false),
1073 FGInput::mouse_mode::~mouse_mode ()
1075 // FIXME: memory leak
1076 // for (int i = 0; i < KEYMOD_MAX; i++) {
1078 // for (j = 0; i < x_bindings[i].size(); j++)
1079 // delete bindings[i][j];
1080 // for (j = 0; j < y_bindings[i].size(); j++)
1081 // delete bindings[i][j];
1088 ////////////////////////////////////////////////////////////////////////
1089 // Implementation of FGInput::mouse
1090 ////////////////////////////////////////////////////////////////////////
1092 FGInput::mouse::mouse ()
1101 FGInput::mouse::~mouse ()
1106 ////////////////////////////////////////////////////////////////////////
1107 // Implementation of OS callbacks.
1108 ////////////////////////////////////////////////////////////////////////
1110 void keyHandler(int key, int keymod, int mousex, int mousey)
1112 if((keymod & KEYMOD_RELEASED) == 0)
1113 if(puKeyboard(key, PU_DOWN))
1117 default_input->doKey(key, keymod, mousex, mousey);
1120 void mouseClickHandler(int button, int updown, int x, int y)
1123 default_input->doMouseClick(button, updown, x, y);
1126 void mouseMotionHandler(int x, int y)
1128 if (default_input != 0)
1129 default_input->doMouseMotion(x, y);