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 (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 static const SGPropertyNode_ptr lon
328 = fgGetNode("/sim/input/click/longitude-deg", true);
329 static const SGPropertyNode_ptr lat
330 = fgGetNode("/sim/input/click/latitude-deg", true);
331 static const SGPropertyNode_ptr elev_m
332 = fgGetNode("/sim/input/click/elevation-m", true);
333 static const SGPropertyNode_ptr elev_ft
334 = fgGetNode("/sim/input/click/elevation-ft", true);
336 lon->setDoubleValue(geod.lon() * SGD_RADIANS_TO_DEGREES);
337 lat->setDoubleValue(geod.lat() * SGD_RADIANS_TO_DEGREES);
338 elev_m->setDoubleValue(geod.elev());
339 elev_ft->setDoubleValue(geod.elev() * SG_METER_TO_FEET);
341 // std::cout << "lon = " << geod.lon()*SGD_RADIANS_TO_DEGREES
342 // << " deg, lat = " << geod.lat()*SGD_RADIANS_TO_DEGREES
343 // << " deg, elev = " << geod.elev()
344 // << " m" << std::endl;
346 std::cout << "Cannot find intersection point" << std::endl;
351 // OK, PUI and the panel didn't want the click
352 if (b >= MAX_MOUSE_BUTTONS) {
353 SG_LOG(SG_INPUT, SG_ALERT, "Mouse button " << b
354 << " where only " << MAX_MOUSE_BUTTONS << " expected");
358 _update_button(m.modes[m.current_mode].buttons[b], modifiers, 0 != updown, x, y);
362 FGInput::doMouseMotion (int x, int y)
364 // Don't call fgGetKeyModifiers() here, until we are using a
365 // toolkit that supports getting the mods from outside a key
366 // callback. Glut doesn't.
367 int modifiers = KEYMOD_NONE;
369 int xsize = fgGetInt("/sim/startup/xsize", 800);
370 int ysize = fgGetInt("/sim/startup/ysize", 600);
372 mouse &m = _mouse_bindings[0];
374 if (m.current_mode < 0 || m.current_mode >= m.nModes) {
379 mouse_mode &mode = m.modes[m.current_mode];
381 // Pass on to PUI if requested, and return
382 // if PUI consumed the event.
383 if (mode.pass_through && puMouse(x, y)) {
389 // OK, PUI didn't want the event,
390 // so we can play with it.
393 for (unsigned int i = 0; i < mode.x_bindings[modifiers].size(); i++)
394 mode.x_bindings[modifiers][i]->fire(double(delta), double(xsize));
398 for (unsigned int i = 0; i < mode.y_bindings[modifiers].size(); i++)
399 mode.y_bindings[modifiers][i]->fire(double(delta), double(ysize));
402 // Constrain the mouse if requested
403 if (mode.constrained) {
404 bool need_warp = false;
408 } else if (x >= (xsize-1)) {
416 } else if (y >= (ysize-1)) {
429 FGInput::_init_keyboard ()
431 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing key bindings");
433 SGPropertyNode * key_nodes = fgGetNode("/input/keyboard");
434 if (key_nodes == 0) {
435 SG_LOG(SG_INPUT, SG_WARN, "No key bindings (/input/keyboard)!!");
436 key_nodes = fgGetNode("/input/keyboard", true);
439 vector<SGPropertyNode_ptr> keys = key_nodes->getChildren("key");
440 for (unsigned int i = 0; i < keys.size(); i++) {
441 int index = keys[i]->getIndex();
442 SG_LOG(SG_INPUT, SG_DEBUG, "Binding key " << index);
444 _key_bindings[index].bindings->clear();
445 _key_bindings[index].is_repeatable = keys[i]->getBoolValue("repeatable");
446 _key_bindings[index].last_state = 0;
447 _read_bindings(keys[i], _key_bindings[index].bindings, KEYMOD_NONE);
453 FGInput::_scan_joystick_dir(SGPath *path, SGPropertyNode* node, int *index)
455 ulDir *dir = ulOpenDir(path->c_str());
458 while ((dent = ulReadDir(dir)) != 0) {
459 if (dent->d_name[0] == '.')
462 SGPath p(path->str());
463 p.append(dent->d_name);
464 _scan_joystick_dir(&p, node, index);
468 } else if (path->extension() == "xml") {
469 SG_LOG(SG_INPUT, SG_DEBUG, "Reading joystick file " << path->str());
470 SGPropertyNode *n = node->getChild("js-named", (*index)++, true);
471 readProperties(path->str(), n);
472 n->setStringValue("source", path->c_str());
478 FGInput::_init_joystick ()
481 // TODO: zero the old bindings first.
482 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick bindings");
483 SGPropertyNode * js_nodes = fgGetNode("/input/joysticks", true);
485 // read all joystick xml files into /input/joysticks/js_named[1000++]
486 SGPath path(globals->get_fg_root());
487 path.append("Input/Joysticks");
488 int js_named_index = 1000;
489 _scan_joystick_dir(&path, js_nodes, &js_named_index);
491 // build name->node map with each <name> (reverse order)
492 map<string, SGPropertyNode_ptr> jsmap;
493 vector<SGPropertyNode_ptr> js_named = js_nodes->getChildren("js-named");
495 for (int k = (int)js_named.size() - 1; k >= 0; k--) {
496 SGPropertyNode *n = js_named[k];
497 vector<SGPropertyNode_ptr> names = n->getChildren("name");
498 if (names.size() && (n->getChildren("axis").size() || n->getChildren("button").size()))
499 for (unsigned int j = 0; j < names.size(); j++)
500 jsmap[names[j]->getStringValue()] = n;
504 for (int i = 0; i < MAX_JOYSTICKS; i++) {
505 jsJoystick * js = new jsJoystick(i);
506 _joystick_bindings[i].js = js;
508 if (js->notWorking()) {
509 SG_LOG(SG_INPUT, SG_DEBUG, "Joystick " << i << " not found");
513 const char * name = js->getName();
514 SGPropertyNode_ptr js_node = js_nodes->getChild("js", i);
517 SG_LOG(SG_INPUT, SG_INFO, "Using existing bindings for joystick " << i);
520 SG_LOG(SG_INPUT, SG_INFO, "Looking for bindings for joystick \"" << name << '"');
521 SGPropertyNode_ptr named;
523 if ((named = jsmap[name])) {
524 string source = named->getStringValue("source", "user defined");
525 SG_LOG(SG_INPUT, SG_INFO, "... found joystick: " << source);
527 } else if ((named = jsmap["default"])) {
528 string source = named->getStringValue("source", "user defined");
529 SG_LOG(SG_INPUT, SG_INFO, "No config found for joystick \"" << name
530 << "\"\nUsing default: \"" << source << '"');
533 throw sg_throwable(string("No joystick configuration file with "
534 "<name>default</name> entry found!"));
537 js_node = js_nodes->getChild("js", i, true);
538 copyProperties(named, js_node);
539 js_node->setStringValue("id", name);
543 // get rid of unused config nodes
544 js_nodes->removeChildren("js-named", false);
549 FGInput::_postinit_joystick()
551 FGNasalSys *nasalsys = (FGNasalSys *)globals->get_subsystem("nasal");
552 SGPropertyNode *js_nodes = fgGetNode("/input/joysticks");
554 for (int i = 0; i < MAX_JOYSTICKS; i++) {
555 SGPropertyNode_ptr js_node = js_nodes->getChild("js", i);
556 jsJoystick *js = _joystick_bindings[i].js;
557 if (!js_node || js->notWorking())
562 joyGetDevCaps( i, &jsCaps, sizeof(jsCaps) );
563 unsigned int nbuttons = jsCaps.wNumButtons;
564 if (nbuttons > MAX_JOYSTICK_BUTTONS) nbuttons = MAX_JOYSTICK_BUTTONS;
566 unsigned int nbuttons = MAX_JOYSTICK_BUTTONS;
569 int naxes = js->getNumAxes();
570 if (naxes > MAX_JOYSTICK_AXES) naxes = MAX_JOYSTICK_AXES;
571 _joystick_bindings[i].naxes = naxes;
572 _joystick_bindings[i].nbuttons = nbuttons;
574 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick " << i);
576 // Set up range arrays
577 float minRange[MAX_JOYSTICK_AXES];
578 float maxRange[MAX_JOYSTICK_AXES];
579 float center[MAX_JOYSTICK_AXES];
581 // Initialize with default values
582 js->getMinRange(minRange);
583 js->getMaxRange(maxRange);
584 js->getCenter(center);
586 // Allocate axes and buttons
587 _joystick_bindings[i].axes = new axis[naxes];
588 _joystick_bindings[i].buttons = new button[nbuttons];
591 // Initialize nasal groups.
594 init = "this=\"" + string(js_node->getPath()) + "\"";
595 sprintf(_module, "__js%d", i);
596 nasalsys->createModule(_module, _module, init.c_str(), init.size());
598 vector<SGPropertyNode_ptr> nasal = js_node->getChildren("nasal");
600 for (j = 0; j < nasal.size(); j++) {
601 nasal[j]->setStringValue("module", _module);
602 nasalsys->handleCommand(nasal[j]);
606 // Initialize the axes.
608 vector<SGPropertyNode_ptr> axes = js_node->getChildren("axis");
609 size_t nb_axes = axes.size();
610 for (j = 0; j < nb_axes; j++ ) {
611 const SGPropertyNode * axis_node = axes[j];
612 const SGPropertyNode * num_node = axis_node->getChild("number");
613 int n_axis = axis_node->getIndex();
615 n_axis = num_node->getIntValue(TGT_PLATFORM, -1);
617 // Silently ignore platforms that are not specified within the
618 // <number></number> section
623 if (n_axis >= naxes) {
624 SG_LOG(SG_INPUT, SG_DEBUG, "Dropping bindings for axis " << n_axis);
627 axis &a = _joystick_bindings[i].axes[n_axis];
629 js->setDeadBand(n_axis, axis_node->getDoubleValue("dead-band", 0.0));
631 a.tolerance = axis_node->getDoubleValue("tolerance", 0.002);
632 minRange[n_axis] = axis_node->getDoubleValue("min-range", minRange[n_axis]);
633 maxRange[n_axis] = axis_node->getDoubleValue("max-range", maxRange[n_axis]);
634 center[n_axis] = axis_node->getDoubleValue("center", center[n_axis]);
636 _read_bindings(axis_node, a.bindings, KEYMOD_NONE);
638 // Initialize the virtual axis buttons.
639 _init_button(axis_node->getChild("low"), a.low, "low");
640 a.low_threshold = axis_node->getDoubleValue("low-threshold", -0.9);
642 _init_button(axis_node->getChild("high"), a.high, "high");
643 a.high_threshold = axis_node->getDoubleValue("high-threshold", 0.9);
644 a.interval_sec = axis_node->getDoubleValue("interval-sec",0.0);
649 // Initialize the buttons.
651 vector<SGPropertyNode_ptr> buttons = js_node->getChildren("button");
653 for (j = 0; j < buttons.size() && j < nbuttons; j++) {
654 const SGPropertyNode * button_node = buttons[j];
655 const SGPropertyNode * num_node = button_node->getChild("number");
656 size_t n_but = button_node->getIndex();
658 n_but = num_node->getIntValue(TGT_PLATFORM,n_but);
661 if (n_but >= nbuttons) {
662 SG_LOG(SG_INPUT, SG_DEBUG, "Dropping bindings for button " << n_but);
666 sprintf(buf, "%d", n_but);
667 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing button " << n_but);
668 _init_button(button_node,
669 _joystick_bindings[i].buttons[n_but],
672 // get interval-sec property
673 button &b = _joystick_bindings[i].buttons[n_but];
674 if (button_node != 0) {
675 b.interval_sec = button_node->getDoubleValue("interval-sec",0.0);
680 js->setMinRange(minRange);
681 js->setMaxRange(maxRange);
682 js->setCenter(center);
688 // Map of all known cursor names
689 // This used to contain all the Glut cursors, but those are
690 // not defined by other toolkits. It now supports only the cursor
691 // images we actually use, in the interest of portability. Someday,
692 // it would be cool to write an OpenGL cursor renderer, with the
693 // cursors defined as textures referenced in the property tree. This
694 // list could then be eliminated. -Andy
699 } mouse_cursor_map[] = {
700 { "none", MOUSE_CURSOR_NONE },
701 { "inherit", MOUSE_CURSOR_POINTER },
702 { "wait", MOUSE_CURSOR_WAIT },
703 { "crosshair", MOUSE_CURSOR_CROSSHAIR },
704 { "left-right", MOUSE_CURSOR_LEFTRIGHT },
709 FGInput::_init_mouse ()
711 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse bindings");
714 SGPropertyNode * mouse_nodes = fgGetNode("/input/mice");
715 if (mouse_nodes == 0) {
716 SG_LOG(SG_INPUT, SG_WARN, "No mouse bindings (/input/mice)!!");
717 mouse_nodes = fgGetNode("/input/mice", true);
721 for (int i = 0; i < MAX_MICE; i++) {
722 SGPropertyNode * mouse_node = mouse_nodes->getChild("mouse", i, true);
723 mouse &m = _mouse_bindings[i];
725 // Grab node pointers
727 sprintf(buf, "/devices/status/mice/mouse[%d]/mode", i);
728 m.mode_node = fgGetNode(buf);
729 if (m.mode_node == NULL) {
730 m.mode_node = fgGetNode(buf, true);
731 m.mode_node->setIntValue(0);
733 for (j = 0; j < MAX_MOUSE_BUTTONS; j++) {
734 sprintf(buf, "/devices/status/mice/mouse[%d]/button[%d]", i, j);
735 m.mouse_button_nodes[j] = fgGetNode(buf, true);
736 m.mouse_button_nodes[j]->setBoolValue(false);
739 // Read all the modes
740 m.nModes = mouse_node->getIntValue("mode-count", 1);
741 m.modes = new mouse_mode[m.nModes];
743 for (int j = 0; j < m.nModes; j++) {
746 // Read the mouse cursor for this mode
747 SGPropertyNode * mode_node = mouse_node->getChild("mode", j, true);
748 const char * cursor_name =
749 mode_node->getStringValue("cursor", "inherit");
750 m.modes[j].cursor = MOUSE_CURSOR_POINTER;
751 for (k = 0; mouse_cursor_map[k].name != 0; k++) {
752 if (!strcmp(mouse_cursor_map[k].name, cursor_name)) {
753 m.modes[j].cursor = mouse_cursor_map[k].cursor;
758 // Read other properties for this mode
759 m.modes[j].constrained = mode_node->getBoolValue("constrained", false);
760 m.modes[j].pass_through = mode_node->getBoolValue("pass-through", false);
762 // Read the button bindings for this mode
763 m.modes[j].buttons = new button[MAX_MOUSE_BUTTONS];
765 for (k = 0; k < MAX_MOUSE_BUTTONS; k++) {
766 sprintf(buf, "mouse button %d", k);
767 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse button " << k);
768 _init_button(mode_node->getChild("button", k),
769 m.modes[j].buttons[k],
773 // Read the axis bindings for this mode
774 _read_bindings(mode_node->getChild("x-axis", 0, true),
775 m.modes[j].x_bindings,
777 _read_bindings(mode_node->getChild("y-axis", 0, true),
778 m.modes[j].y_bindings,
786 FGInput::_init_button (const SGPropertyNode * node,
791 SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for button " << name);
793 b.is_repeatable = node->getBoolValue("repeatable", b.is_repeatable);
795 // Get the bindings for the button
796 _read_bindings(node, b.bindings, KEYMOD_NONE);
802 FGInput::_update_keyboard ()
809 FGInput::_update_joystick (double dt)
811 int modifiers = KEYMOD_NONE; // FIXME: any way to get the real ones?
813 // float js_val, diff;
814 float axis_values[MAX_JOYSTICK_AXES];
819 for ( i = 0; i < MAX_JOYSTICKS; i++) {
821 jsJoystick * js = _joystick_bindings[i].js;
822 if (js == 0 || js->notWorking())
825 js->read(&buttons, axis_values);
827 // Fire bindings for the axes.
828 for ( j = 0; j < _joystick_bindings[i].naxes; j++) {
829 axis &a = _joystick_bindings[i].axes[j];
831 // Do nothing if the axis position
832 // is unchanged; only a change in
833 // position fires the bindings.
834 if (fabs(axis_values[j] - a.last_value) > a.tolerance) {
835 // SG_LOG(SG_INPUT, SG_DEBUG, "Axis " << j << " has moved");
836 a.last_value = axis_values[j];
837 // SG_LOG(SG_INPUT, SG_DEBUG, "There are "
838 // << a.bindings[modifiers].size() << " bindings");
839 for (unsigned int k = 0; k < a.bindings[modifiers].size(); k++)
840 a.bindings[modifiers][k]->fire(axis_values[j]);
843 // do we have to emulate axis buttons?
845 if(a.last_dt >= a.interval_sec) {
846 if (a.low.bindings[modifiers].size())
847 _update_button(_joystick_bindings[i].axes[j].low,
849 axis_values[j] < a.low_threshold,
852 if (a.high.bindings[modifiers].size())
853 _update_button(_joystick_bindings[i].axes[j].high,
855 axis_values[j] > a.high_threshold,
857 a.last_dt -= a.interval_sec;
861 // Fire bindings for the buttons.
862 for (j = 0; j < _joystick_bindings[i].nbuttons; j++) {
863 button &b = _joystick_bindings[i].buttons[j];
865 if(b.last_dt >= b.interval_sec) {
866 _update_button(_joystick_bindings[i].buttons[j],
868 (buttons & (1 << j)) > 0,
870 b.last_dt -= b.interval_sec;
877 FGInput::_update_mouse ( double dt )
879 mouse &m = _mouse_bindings[0];
880 int mode = m.mode_node->getIntValue();
881 if (mode != m.current_mode) {
882 m.current_mode = mode;
883 m.timeout = fgGetDouble( "/sim/mouse/cursor-timeout-sec", 10.0 );
884 if (mode >= 0 && mode < m.nModes) {
885 fgSetMouseCursor(m.modes[mode].cursor);
886 m.x = fgGetInt("/sim/startup/xsize", 800) / 2;
887 m.y = fgGetInt("/sim/startup/ysize", 600) / 2;
888 fgWarpMouse(m.x, m.y);
890 SG_LOG(SG_INPUT, SG_DEBUG, "Mouse mode " << mode << " out of range");
891 fgSetMouseCursor(MOUSE_CURSOR_POINTER);
895 if ( fgGetBool( "/sim/mouse/hide-cursor", true ) ) {
896 if ( m.x != m.save_x || m.y != m.save_y ) {
897 m.timeout = fgGetDouble( "/sim/mouse/cursor-timeout-sec", 10.0 );
898 fgSetMouseCursor(m.modes[mode].cursor);
901 if ( m.timeout <= 0.0 ) {
902 fgSetMouseCursor(MOUSE_CURSOR_NONE);
912 FGInput::_update_button (button &b, int modifiers, bool pressed,
916 // The press event may be repeated.
917 if (!b.last_state || b.is_repeatable) {
918 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been pressed" );
919 for (unsigned int k = 0; k < b.bindings[modifiers].size(); k++)
920 b.bindings[modifiers][k]->fire(x, y);
923 // The release event is never repeated.
925 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been released" );
926 for (unsigned int k = 0; k < b.bindings[modifiers|KEYMOD_RELEASED].size(); k++)
927 b.bindings[modifiers|KEYMOD_RELEASED][k]->fire(x, y);
931 b.last_state = pressed;
936 FGInput::_read_bindings (const SGPropertyNode * node,
937 binding_list_t * binding_list,
940 SG_LOG(SG_INPUT, SG_DEBUG, "Reading all bindings");
941 vector<SGPropertyNode_ptr> bindings = node->getChildren("binding");
942 for (unsigned int i = 0; i < bindings.size(); i++) {
943 const char *cmd = bindings[i]->getStringValue("command");
944 SG_LOG(SG_INPUT, SG_DEBUG, "Reading binding " << cmd);
946 if (!strcmp(cmd, "nasal") && _module[0])
947 bindings[i]->setStringValue("module", _module);
948 binding_list[modifiers].push_back(new FGBinding(bindings[i]));
951 // Read nested bindings for modifiers
952 if (node->getChild("mod-up") != 0)
953 _read_bindings(node->getChild("mod-up"), binding_list,
954 modifiers|KEYMOD_RELEASED);
956 if (node->getChild("mod-shift") != 0)
957 _read_bindings(node->getChild("mod-shift"), binding_list,
958 modifiers|KEYMOD_SHIFT);
960 if (node->getChild("mod-ctrl") != 0)
961 _read_bindings(node->getChild("mod-ctrl"), binding_list,
962 modifiers|KEYMOD_CTRL);
964 if (node->getChild("mod-alt") != 0)
965 _read_bindings(node->getChild("mod-alt"), binding_list,
966 modifiers|KEYMOD_ALT);
970 const vector<FGBinding *> &
971 FGInput::_find_key_bindings (unsigned int k, int modifiers)
973 unsigned char kc = (unsigned char)k;
974 button &b = _key_bindings[k];
976 // Try it straight, first.
977 if (b.bindings[modifiers].size() > 0)
978 return b.bindings[modifiers];
980 // Alt-Gr is CTRL+ALT
981 else if (modifiers&(KEYMOD_CTRL|KEYMOD_ALT))
982 return _find_key_bindings(k, modifiers&~(KEYMOD_CTRL|KEYMOD_ALT));
984 // Try removing the control modifier
986 else if ((modifiers&KEYMOD_CTRL) && iscntrl(kc))
987 return _find_key_bindings(k, modifiers&~KEYMOD_CTRL);
989 // Try removing shift modifier
990 // for upper case or any punctuation
991 // (since different keyboards will
992 // shift different punctuation types)
993 else if ((modifiers&KEYMOD_SHIFT) && (isupper(kc) || ispunct(kc)))
994 return _find_key_bindings(k, modifiers&~KEYMOD_SHIFT);
996 // Try removing alt modifier for
997 // high-bit characters.
998 else if ((modifiers&KEYMOD_ALT) && k >= 128 && k < 256)
999 return _find_key_bindings(k, modifiers&~KEYMOD_ALT);
1001 // Give up and return the empty vector.
1003 return b.bindings[modifiers];
1008 ////////////////////////////////////////////////////////////////////////
1009 // Implementation of FGInput::button.
1010 ////////////////////////////////////////////////////////////////////////
1012 FGInput::button::button ()
1013 : is_repeatable(false),
1020 FGInput::button::~button ()
1022 // FIXME: memory leak
1023 // for (int i = 0; i < KEYMOD_MAX; i++)
1024 // for (int j = 0; i < bindings[i].size(); j++)
1025 // delete bindings[i][j];
1030 ////////////////////////////////////////////////////////////////////////
1031 // Implementation of FGInput::axis.
1032 ////////////////////////////////////////////////////////////////////////
1034 FGInput::axis::axis ()
1035 : last_value(9999999),
1037 low_threshold(-0.9),
1038 high_threshold(0.9),
1044 FGInput::axis::~axis ()
1046 // for (int i = 0; i < KEYMOD_MAX; i++)
1047 // for (int j = 0; i < bindings[i].size(); j++)
1048 // delete bindings[i][j];
1053 ////////////////////////////////////////////////////////////////////////
1054 // Implementation of FGInput::joystick.
1055 ////////////////////////////////////////////////////////////////////////
1057 FGInput::joystick::joystick ()
1067 FGInput::joystick::~joystick ()
1076 ////////////////////////////////////////////////////////////////////////
1077 // Implementation of FGInput::mouse_mode
1078 ////////////////////////////////////////////////////////////////////////
1080 FGInput::mouse_mode::mouse_mode ()
1081 : cursor(MOUSE_CURSOR_POINTER),
1083 pass_through(false),
1088 FGInput::mouse_mode::~mouse_mode ()
1090 // FIXME: memory leak
1091 // for (int i = 0; i < KEYMOD_MAX; i++) {
1093 // for (j = 0; i < x_bindings[i].size(); j++)
1094 // delete bindings[i][j];
1095 // for (j = 0; j < y_bindings[i].size(); j++)
1096 // delete bindings[i][j];
1103 ////////////////////////////////////////////////////////////////////////
1104 // Implementation of FGInput::mouse
1105 ////////////////////////////////////////////////////////////////////////
1107 FGInput::mouse::mouse ()
1116 FGInput::mouse::~mouse ()
1121 ////////////////////////////////////////////////////////////////////////
1122 // Implementation of OS callbacks.
1123 ////////////////////////////////////////////////////////////////////////
1125 void keyHandler(int key, int keymod, int mousex, int mousey)
1127 if((keymod & KEYMOD_RELEASED) == 0)
1128 if(puKeyboard(key, PU_DOWN))
1132 default_input->doKey(key, keymod, mousex, mousey);
1135 void mouseClickHandler(int button, int updown, int x, int y)
1138 default_input->doMouseClick(button, updown, x, y);
1141 void mouseMotionHandler(int x, int y)
1143 if (default_input != 0)
1144 default_input->doMouseMotion(x, y);