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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 (!b && 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);
333 fgSetBool("/sim/signals/click", 1);
338 // OK, PUI and the panel didn't want the click
339 if (b >= MAX_MOUSE_BUTTONS) {
340 SG_LOG(SG_INPUT, SG_ALERT, "Mouse button " << b
341 << " where only " << MAX_MOUSE_BUTTONS << " expected");
345 _update_button(m.modes[m.current_mode].buttons[b], modifiers, 0 != updown, x, y);
349 FGInput::doMouseMotion (int x, int y)
351 // Don't call fgGetKeyModifiers() here, until we are using a
352 // toolkit that supports getting the mods from outside a key
353 // callback. Glut doesn't.
354 int modifiers = KEYMOD_NONE;
356 int xsize = fgGetInt("/sim/startup/xsize", 800);
357 int ysize = fgGetInt("/sim/startup/ysize", 600);
359 mouse &m = _mouse_bindings[0];
361 if (m.current_mode < 0 || m.current_mode >= m.nModes) {
366 mouse_mode &mode = m.modes[m.current_mode];
368 // Pass on to PUI if requested, and return
369 // if PUI consumed the event.
370 if (mode.pass_through && puMouse(x, y)) {
376 // OK, PUI didn't want the event,
377 // so we can play with it.
380 for (unsigned int i = 0; i < mode.x_bindings[modifiers].size(); i++)
381 mode.x_bindings[modifiers][i]->fire(double(delta), double(xsize));
385 for (unsigned int i = 0; i < mode.y_bindings[modifiers].size(); i++)
386 mode.y_bindings[modifiers][i]->fire(double(delta), double(ysize));
389 // Constrain the mouse if requested
390 if (mode.constrained) {
391 bool need_warp = false;
392 if (x <= (xsize * .25) || x >= (xsize * .75)) {
397 if (y <= (ysize * .25) || y >= (ysize * .75)) {
410 FGInput::_init_keyboard ()
412 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing key bindings");
414 SGPropertyNode * key_nodes = fgGetNode("/input/keyboard");
415 if (key_nodes == 0) {
416 SG_LOG(SG_INPUT, SG_WARN, "No key bindings (/input/keyboard)!!");
417 key_nodes = fgGetNode("/input/keyboard", true);
420 vector<SGPropertyNode_ptr> keys = key_nodes->getChildren("key");
421 for (unsigned int i = 0; i < keys.size(); i++) {
422 int index = keys[i]->getIndex();
423 SG_LOG(SG_INPUT, SG_DEBUG, "Binding key " << index);
425 _key_bindings[index].bindings->clear();
426 _key_bindings[index].is_repeatable = keys[i]->getBoolValue("repeatable");
427 _key_bindings[index].last_state = 0;
428 _read_bindings(keys[i], _key_bindings[index].bindings, KEYMOD_NONE);
434 FGInput::_scan_joystick_dir(SGPath *path, SGPropertyNode* node, int *index)
436 ulDir *dir = ulOpenDir(path->c_str());
439 while ((dent = ulReadDir(dir)) != 0) {
440 if (dent->d_name[0] == '.')
443 SGPath p(path->str());
444 p.append(dent->d_name);
445 _scan_joystick_dir(&p, node, index);
449 } else if (path->extension() == "xml") {
450 SG_LOG(SG_INPUT, SG_DEBUG, "Reading joystick file " << path->str());
451 SGPropertyNode *n = node->getChild("js-named", (*index)++, true);
452 readProperties(path->str(), n);
453 n->setStringValue("source", path->c_str());
459 FGInput::_init_joystick ()
462 // TODO: zero the old bindings first.
463 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick bindings");
464 SGPropertyNode * js_nodes = fgGetNode("/input/joysticks", true);
466 // read all joystick xml files into /input/joysticks/js_named[1000++]
467 SGPath path(globals->get_fg_root());
468 path.append("Input/Joysticks");
469 int js_named_index = 1000;
470 _scan_joystick_dir(&path, js_nodes, &js_named_index);
472 // build name->node map with each <name> (reverse order)
473 map<string, SGPropertyNode_ptr> jsmap;
474 vector<SGPropertyNode_ptr> js_named = js_nodes->getChildren("js-named");
476 for (int k = (int)js_named.size() - 1; k >= 0; k--) {
477 SGPropertyNode *n = js_named[k];
478 vector<SGPropertyNode_ptr> names = n->getChildren("name");
479 if (names.size() && (n->getChildren("axis").size() || n->getChildren("button").size()))
480 for (unsigned int j = 0; j < names.size(); j++)
481 jsmap[names[j]->getStringValue()] = n;
485 for (int i = 0; i < MAX_JOYSTICKS; i++) {
486 jsJoystick * js = new jsJoystick(i);
487 _joystick_bindings[i].js = js;
489 if (js->notWorking()) {
490 SG_LOG(SG_INPUT, SG_DEBUG, "Joystick " << i << " not found");
494 const char * name = js->getName();
495 SGPropertyNode_ptr js_node = js_nodes->getChild("js", i);
498 SG_LOG(SG_INPUT, SG_INFO, "Using existing bindings for joystick " << i);
501 SG_LOG(SG_INPUT, SG_INFO, "Looking for bindings for joystick \"" << name << '"');
502 SGPropertyNode_ptr named;
504 if ((named = jsmap[name])) {
505 string source = named->getStringValue("source", "user defined");
506 SG_LOG(SG_INPUT, SG_INFO, "... found joystick: " << source);
508 } else if ((named = jsmap["default"])) {
509 string source = named->getStringValue("source", "user defined");
510 SG_LOG(SG_INPUT, SG_INFO, "No config found for joystick \"" << name
511 << "\"\nUsing default: \"" << source << '"');
514 throw sg_throwable(string("No joystick configuration file with "
515 "<name>default</name> entry found!"));
518 js_node = js_nodes->getChild("js", i, true);
519 copyProperties(named, js_node);
520 js_node->setStringValue("id", name);
524 // get rid of unused config nodes
525 js_nodes->removeChildren("js-named", false);
530 FGInput::_postinit_joystick()
532 FGNasalSys *nasalsys = (FGNasalSys *)globals->get_subsystem("nasal");
533 SGPropertyNode *js_nodes = fgGetNode("/input/joysticks");
535 for (int i = 0; i < MAX_JOYSTICKS; i++) {
536 SGPropertyNode_ptr js_node = js_nodes->getChild("js", i);
537 jsJoystick *js = _joystick_bindings[i].js;
538 if (!js_node || js->notWorking())
543 joyGetDevCaps( i, &jsCaps, sizeof(jsCaps) );
544 unsigned int nbuttons = jsCaps.wNumButtons;
545 if (nbuttons > MAX_JOYSTICK_BUTTONS) nbuttons = MAX_JOYSTICK_BUTTONS;
547 unsigned int nbuttons = MAX_JOYSTICK_BUTTONS;
550 int naxes = js->getNumAxes();
551 if (naxes > MAX_JOYSTICK_AXES) naxes = MAX_JOYSTICK_AXES;
552 _joystick_bindings[i].naxes = naxes;
553 _joystick_bindings[i].nbuttons = nbuttons;
555 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick " << i);
557 // Set up range arrays
558 float minRange[MAX_JOYSTICK_AXES];
559 float maxRange[MAX_JOYSTICK_AXES];
560 float center[MAX_JOYSTICK_AXES];
562 // Initialize with default values
563 js->getMinRange(minRange);
564 js->getMaxRange(maxRange);
565 js->getCenter(center);
567 // Allocate axes and buttons
568 _joystick_bindings[i].axes = new axis[naxes];
569 _joystick_bindings[i].buttons = new button[nbuttons];
572 // Initialize nasal groups.
575 init = "this=\"" + string(js_node->getPath()) + "\"";
576 sprintf(_module, "__js%d", i);
577 nasalsys->createModule(_module, _module, init.c_str(), init.size());
579 vector<SGPropertyNode_ptr> nasal = js_node->getChildren("nasal");
581 for (j = 0; j < nasal.size(); j++) {
582 nasal[j]->setStringValue("module", _module);
583 nasalsys->handleCommand(nasal[j]);
587 // Initialize the axes.
589 vector<SGPropertyNode_ptr> axes = js_node->getChildren("axis");
590 size_t nb_axes = axes.size();
591 for (j = 0; j < nb_axes; j++ ) {
592 const SGPropertyNode * axis_node = axes[j];
593 const SGPropertyNode * num_node = axis_node->getChild("number");
594 int n_axis = axis_node->getIndex();
596 n_axis = num_node->getIntValue(TGT_PLATFORM, -1);
598 // Silently ignore platforms that are not specified within the
599 // <number></number> section
604 if (n_axis >= naxes) {
605 SG_LOG(SG_INPUT, SG_DEBUG, "Dropping bindings for axis " << n_axis);
608 axis &a = _joystick_bindings[i].axes[n_axis];
610 js->setDeadBand(n_axis, axis_node->getDoubleValue("dead-band", 0.0));
612 a.tolerance = axis_node->getDoubleValue("tolerance", 0.002);
613 minRange[n_axis] = axis_node->getDoubleValue("min-range", minRange[n_axis]);
614 maxRange[n_axis] = axis_node->getDoubleValue("max-range", maxRange[n_axis]);
615 center[n_axis] = axis_node->getDoubleValue("center", center[n_axis]);
617 _read_bindings(axis_node, a.bindings, KEYMOD_NONE);
619 // Initialize the virtual axis buttons.
620 _init_button(axis_node->getChild("low"), a.low, "low");
621 a.low_threshold = axis_node->getDoubleValue("low-threshold", -0.9);
623 _init_button(axis_node->getChild("high"), a.high, "high");
624 a.high_threshold = axis_node->getDoubleValue("high-threshold", 0.9);
625 a.interval_sec = axis_node->getDoubleValue("interval-sec",0.0);
630 // Initialize the buttons.
632 vector<SGPropertyNode_ptr> buttons = js_node->getChildren("button");
634 for (j = 0; j < buttons.size() && j < nbuttons; j++) {
635 const SGPropertyNode * button_node = buttons[j];
636 const SGPropertyNode * num_node = button_node->getChild("number");
637 size_t n_but = button_node->getIndex();
639 n_but = num_node->getIntValue(TGT_PLATFORM,n_but);
642 if (n_but >= nbuttons) {
643 SG_LOG(SG_INPUT, SG_DEBUG, "Dropping bindings for button " << n_but);
647 sprintf(buf, "%d", n_but);
648 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing button " << n_but);
649 _init_button(button_node,
650 _joystick_bindings[i].buttons[n_but],
653 // get interval-sec property
654 button &b = _joystick_bindings[i].buttons[n_but];
655 if (button_node != 0) {
656 b.interval_sec = button_node->getDoubleValue("interval-sec",0.0);
661 js->setMinRange(minRange);
662 js->setMaxRange(maxRange);
663 js->setCenter(center);
669 // Map of all known cursor names
670 // This used to contain all the Glut cursors, but those are
671 // not defined by other toolkits. It now supports only the cursor
672 // images we actually use, in the interest of portability. Someday,
673 // it would be cool to write an OpenGL cursor renderer, with the
674 // cursors defined as textures referenced in the property tree. This
675 // list could then be eliminated. -Andy
680 } mouse_cursor_map[] = {
681 { "none", MOUSE_CURSOR_NONE },
682 { "inherit", MOUSE_CURSOR_POINTER },
683 { "wait", MOUSE_CURSOR_WAIT },
684 { "crosshair", MOUSE_CURSOR_CROSSHAIR },
685 { "left-right", MOUSE_CURSOR_LEFTRIGHT },
690 FGInput::_init_mouse ()
692 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse bindings");
695 SGPropertyNode * mouse_nodes = fgGetNode("/input/mice");
696 if (mouse_nodes == 0) {
697 SG_LOG(SG_INPUT, SG_WARN, "No mouse bindings (/input/mice)!!");
698 mouse_nodes = fgGetNode("/input/mice", true);
702 for (int i = 0; i < MAX_MICE; i++) {
703 SGPropertyNode * mouse_node = mouse_nodes->getChild("mouse", i, true);
704 mouse &m = _mouse_bindings[i];
706 // Grab node pointers
708 sprintf(buf, "/devices/status/mice/mouse[%d]/mode", i);
709 m.mode_node = fgGetNode(buf);
710 if (m.mode_node == NULL) {
711 m.mode_node = fgGetNode(buf, true);
712 m.mode_node->setIntValue(0);
714 for (j = 0; j < MAX_MOUSE_BUTTONS; j++) {
715 sprintf(buf, "/devices/status/mice/mouse[%d]/button[%d]", i, j);
716 m.mouse_button_nodes[j] = fgGetNode(buf, true);
717 m.mouse_button_nodes[j]->setBoolValue(false);
720 // Read all the modes
721 m.nModes = mouse_node->getIntValue("mode-count", 1);
722 m.modes = new mouse_mode[m.nModes];
724 for (int j = 0; j < m.nModes; j++) {
727 // Read the mouse cursor for this mode
728 SGPropertyNode * mode_node = mouse_node->getChild("mode", j, true);
729 const char * cursor_name =
730 mode_node->getStringValue("cursor", "inherit");
731 m.modes[j].cursor = MOUSE_CURSOR_POINTER;
732 for (k = 0; mouse_cursor_map[k].name != 0; k++) {
733 if (!strcmp(mouse_cursor_map[k].name, cursor_name)) {
734 m.modes[j].cursor = mouse_cursor_map[k].cursor;
739 // Read other properties for this mode
740 m.modes[j].constrained = mode_node->getBoolValue("constrained", false);
741 m.modes[j].pass_through = mode_node->getBoolValue("pass-through", false);
743 // Read the button bindings for this mode
744 m.modes[j].buttons = new button[MAX_MOUSE_BUTTONS];
746 for (k = 0; k < MAX_MOUSE_BUTTONS; k++) {
747 sprintf(buf, "mouse button %d", k);
748 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse button " << k);
749 _init_button(mode_node->getChild("button", k),
750 m.modes[j].buttons[k],
754 // Read the axis bindings for this mode
755 _read_bindings(mode_node->getChild("x-axis", 0, true),
756 m.modes[j].x_bindings,
758 _read_bindings(mode_node->getChild("y-axis", 0, true),
759 m.modes[j].y_bindings,
767 FGInput::_init_button (const SGPropertyNode * node,
772 SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for button " << name);
774 b.is_repeatable = node->getBoolValue("repeatable", b.is_repeatable);
776 // Get the bindings for the button
777 _read_bindings(node, b.bindings, KEYMOD_NONE);
783 FGInput::_update_keyboard ()
790 FGInput::_update_joystick (double dt)
792 int modifiers = KEYMOD_NONE; // FIXME: any way to get the real ones?
794 // float js_val, diff;
795 float axis_values[MAX_JOYSTICK_AXES];
800 for ( i = 0; i < MAX_JOYSTICKS; i++) {
802 jsJoystick * js = _joystick_bindings[i].js;
803 if (js == 0 || js->notWorking())
806 js->read(&buttons, axis_values);
808 // Fire bindings for the axes.
809 for ( j = 0; j < _joystick_bindings[i].naxes; j++) {
810 axis &a = _joystick_bindings[i].axes[j];
812 // Do nothing if the axis position
813 // is unchanged; only a change in
814 // position fires the bindings.
815 if (fabs(axis_values[j] - a.last_value) > a.tolerance) {
816 // SG_LOG(SG_INPUT, SG_DEBUG, "Axis " << j << " has moved");
817 a.last_value = axis_values[j];
818 // SG_LOG(SG_INPUT, SG_DEBUG, "There are "
819 // << a.bindings[modifiers].size() << " bindings");
820 for (unsigned int k = 0; k < a.bindings[modifiers].size(); k++)
821 a.bindings[modifiers][k]->fire(axis_values[j]);
824 // do we have to emulate axis buttons?
826 if(a.last_dt >= a.interval_sec) {
827 if (a.low.bindings[modifiers].size())
828 _update_button(_joystick_bindings[i].axes[j].low,
830 axis_values[j] < a.low_threshold,
833 if (a.high.bindings[modifiers].size())
834 _update_button(_joystick_bindings[i].axes[j].high,
836 axis_values[j] > a.high_threshold,
838 a.last_dt -= a.interval_sec;
842 // Fire bindings for the buttons.
843 for (j = 0; j < _joystick_bindings[i].nbuttons; j++) {
844 button &b = _joystick_bindings[i].buttons[j];
846 if(b.last_dt >= b.interval_sec) {
847 _update_button(_joystick_bindings[i].buttons[j],
849 (buttons & (1 << j)) > 0,
851 b.last_dt -= b.interval_sec;
858 FGInput::_update_mouse ( double dt )
860 mouse &m = _mouse_bindings[0];
861 int mode = m.mode_node->getIntValue();
862 if (mode != m.current_mode) {
863 m.current_mode = mode;
864 m.timeout = fgGetDouble( "/sim/mouse/cursor-timeout-sec", 10.0 );
865 if (mode >= 0 && mode < m.nModes) {
866 fgSetMouseCursor(m.modes[mode].cursor);
867 m.x = fgGetInt("/sim/startup/xsize", 800) / 2;
868 m.y = fgGetInt("/sim/startup/ysize", 600) / 2;
869 fgWarpMouse(m.x, m.y);
871 SG_LOG(SG_INPUT, SG_DEBUG, "Mouse mode " << mode << " out of range");
872 fgSetMouseCursor(MOUSE_CURSOR_POINTER);
876 if ( fgGetBool( "/sim/mouse/hide-cursor", true ) ) {
877 if ( m.x != m.save_x || m.y != m.save_y ) {
878 m.timeout = fgGetDouble( "/sim/mouse/cursor-timeout-sec", 10.0 );
879 fgSetMouseCursor(m.modes[mode].cursor);
882 if ( m.timeout <= 0.0 ) {
883 fgSetMouseCursor(MOUSE_CURSOR_NONE);
893 FGInput::_update_button (button &b, int modifiers, bool pressed,
897 // The press event may be repeated.
898 if (!b.last_state || b.is_repeatable) {
899 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been pressed" );
900 for (unsigned int k = 0; k < b.bindings[modifiers].size(); k++)
901 b.bindings[modifiers][k]->fire(x, y);
904 // The release event is never repeated.
906 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been released" );
907 for (unsigned int k = 0; k < b.bindings[modifiers|KEYMOD_RELEASED].size(); k++)
908 b.bindings[modifiers|KEYMOD_RELEASED][k]->fire(x, y);
912 b.last_state = pressed;
917 FGInput::_read_bindings (const SGPropertyNode * node,
918 binding_list_t * binding_list,
921 SG_LOG(SG_INPUT, SG_DEBUG, "Reading all bindings");
922 vector<SGPropertyNode_ptr> bindings = node->getChildren("binding");
923 for (unsigned int i = 0; i < bindings.size(); i++) {
924 const char *cmd = bindings[i]->getStringValue("command");
925 SG_LOG(SG_INPUT, SG_DEBUG, "Reading binding " << cmd);
927 if (!strcmp(cmd, "nasal") && _module[0])
928 bindings[i]->setStringValue("module", _module);
929 binding_list[modifiers].push_back(new FGBinding(bindings[i]));
932 // Read nested bindings for modifiers
933 if (node->getChild("mod-up") != 0)
934 _read_bindings(node->getChild("mod-up"), binding_list,
935 modifiers|KEYMOD_RELEASED);
937 if (node->getChild("mod-shift") != 0)
938 _read_bindings(node->getChild("mod-shift"), binding_list,
939 modifiers|KEYMOD_SHIFT);
941 if (node->getChild("mod-ctrl") != 0)
942 _read_bindings(node->getChild("mod-ctrl"), binding_list,
943 modifiers|KEYMOD_CTRL);
945 if (node->getChild("mod-alt") != 0)
946 _read_bindings(node->getChild("mod-alt"), binding_list,
947 modifiers|KEYMOD_ALT);
951 const vector<FGBinding *> &
952 FGInput::_find_key_bindings (unsigned int k, int modifiers)
954 unsigned char kc = (unsigned char)k;
955 button &b = _key_bindings[k];
957 // Try it straight, first.
958 if (b.bindings[modifiers].size() > 0)
959 return b.bindings[modifiers];
961 // Alt-Gr is CTRL+ALT
962 else if (modifiers&(KEYMOD_CTRL|KEYMOD_ALT))
963 return _find_key_bindings(k, modifiers&~(KEYMOD_CTRL|KEYMOD_ALT));
965 // Try removing the control modifier
967 else if ((modifiers&KEYMOD_CTRL) && iscntrl(kc))
968 return _find_key_bindings(k, modifiers&~KEYMOD_CTRL);
970 // Try removing shift modifier
971 // for upper case or any punctuation
972 // (since different keyboards will
973 // shift different punctuation types)
974 else if ((modifiers&KEYMOD_SHIFT) && (isupper(kc) || ispunct(kc)))
975 return _find_key_bindings(k, modifiers&~KEYMOD_SHIFT);
977 // Try removing alt modifier for
978 // high-bit characters.
979 else if ((modifiers&KEYMOD_ALT) && k >= 128 && k < 256)
980 return _find_key_bindings(k, modifiers&~KEYMOD_ALT);
982 // Give up and return the empty vector.
984 return b.bindings[modifiers];
989 ////////////////////////////////////////////////////////////////////////
990 // Implementation of FGInput::button.
991 ////////////////////////////////////////////////////////////////////////
993 FGInput::button::button ()
994 : is_repeatable(false),
1001 FGInput::button::~button ()
1003 // FIXME: memory leak
1004 // for (int i = 0; i < KEYMOD_MAX; i++)
1005 // for (int j = 0; i < bindings[i].size(); j++)
1006 // delete bindings[i][j];
1011 ////////////////////////////////////////////////////////////////////////
1012 // Implementation of FGInput::axis.
1013 ////////////////////////////////////////////////////////////////////////
1015 FGInput::axis::axis ()
1016 : last_value(9999999),
1018 low_threshold(-0.9),
1019 high_threshold(0.9),
1025 FGInput::axis::~axis ()
1027 // for (int i = 0; i < KEYMOD_MAX; i++)
1028 // for (int j = 0; i < bindings[i].size(); j++)
1029 // delete bindings[i][j];
1034 ////////////////////////////////////////////////////////////////////////
1035 // Implementation of FGInput::joystick.
1036 ////////////////////////////////////////////////////////////////////////
1038 FGInput::joystick::joystick ()
1048 FGInput::joystick::~joystick ()
1057 ////////////////////////////////////////////////////////////////////////
1058 // Implementation of FGInput::mouse_mode
1059 ////////////////////////////////////////////////////////////////////////
1061 FGInput::mouse_mode::mouse_mode ()
1062 : cursor(MOUSE_CURSOR_POINTER),
1064 pass_through(false),
1069 FGInput::mouse_mode::~mouse_mode ()
1071 // FIXME: memory leak
1072 // for (int i = 0; i < KEYMOD_MAX; i++) {
1074 // for (j = 0; i < x_bindings[i].size(); j++)
1075 // delete bindings[i][j];
1076 // for (j = 0; j < y_bindings[i].size(); j++)
1077 // delete bindings[i][j];
1084 ////////////////////////////////////////////////////////////////////////
1085 // Implementation of FGInput::mouse
1086 ////////////////////////////////////////////////////////////////////////
1088 FGInput::mouse::mouse ()
1097 FGInput::mouse::~mouse ()
1102 ////////////////////////////////////////////////////////////////////////
1103 // Implementation of OS callbacks.
1104 ////////////////////////////////////////////////////////////////////////
1106 void keyHandler(int key, int keymod, int mousex, int mousey)
1108 if((keymod & KEYMOD_RELEASED) == 0)
1109 if(puKeyboard(key, PU_DOWN))
1113 default_input->doKey(key, keymod, mousex, mousey);
1116 void mouseClickHandler(int button, int updown, int x, int y)
1119 default_input->doMouseClick(button, updown, x, y);
1122 void mouseMotionHandler(int x, int y)
1124 if (default_input != 0)
1125 default_input->doMouseMotion(x, y);