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 SG_USING_STD(ifstream);
64 void mouseClickHandler(int button, int updown, int x, int y);
65 void mouseMotionHandler(int x, int y);
66 void keyHandler(int key, int keymod, int mousex, int mousey);
69 ////////////////////////////////////////////////////////////////////////
71 ////////////////////////////////////////////////////////////////////////
73 static FGInput * default_input = 0;
77 ////////////////////////////////////////////////////////////////////////
78 // Implementation of FGBinding.
79 ////////////////////////////////////////////////////////////////////////
81 FGBinding::FGBinding ()
83 _arg(new SGPropertyNode),
88 FGBinding::FGBinding (const SGPropertyNode * node)
97 FGBinding::read (const SGPropertyNode * node)
99 const SGPropertyNode * conditionNode = node->getChild("condition");
100 if (conditionNode != 0)
101 setCondition(sgReadCondition(globals->get_props(), conditionNode));
103 _command_name = node->getStringValue("command", "");
104 if (_command_name.empty()) {
105 SG_LOG(SG_INPUT, SG_WARN, "No command supplied for binding.");
110 _arg = new SGPropertyNode;
112 copyProperties(node, _arg); // FIXME: don't use whole node!!!
116 FGBinding::fire () const
120 _command = globals->get_commands()->getCommand(_command_name);
122 SG_LOG(SG_INPUT, SG_WARN, "No command attached to binding");
123 } else if (!(*_command)(_arg)) {
124 SG_LOG(SG_INPUT, SG_ALERT, "Failed to execute command "
131 FGBinding::fire (double offset, double max) const
134 _arg->setDoubleValue("offset", offset/max);
140 FGBinding::fire (double setting) const
143 // A value is automatically added to
145 if (_setting == 0) // save the setting node for efficiency
146 _setting = _arg->getChild("setting", 0, true);
147 _setting->setDoubleValue(setting);
154 ////////////////////////////////////////////////////////////////////////
155 // Implementation of FGInput.
156 ////////////////////////////////////////////////////////////////////////
161 if (default_input == 0)
162 default_input = this;
167 if (default_input == this)
178 fgRegisterKeyHandler(keyHandler);
179 fgRegisterMouseClickHandler(mouseClickHandler);
180 fgRegisterMouseMotionHandler(mouseMotionHandler);
192 _postinit_joystick();
196 FGInput::update (double dt)
199 _update_joystick(dt);
216 FGInput::is_suspended () const
222 FGInput::makeDefault (bool status)
225 default_input = this;
226 else if (default_input == this)
231 FGInput::doKey (int k, int modifiers, int x, int y)
234 if (k < 0 || k >= MAX_KEYS) {
235 SG_LOG(SG_INPUT, SG_WARN, "Key value " << k << " out of range");
239 button &b = _key_bindings[k];
242 if (modifiers&KEYMOD_RELEASED == 0) {
243 SG_LOG( SG_INPUT, SG_DEBUG, "User pressed key " << k
244 << " with modifiers " << modifiers );
245 if (!b.last_state || b.is_repeatable) {
246 const binding_list_t &bindings =
247 _find_key_bindings(k, modifiers);
248 int max = bindings.size();
250 for (int i = 0; i < max; i++)
258 SG_LOG(SG_INPUT, SG_DEBUG, "User released key " << k
259 << " with modifiers " << modifiers);
261 const binding_list_t &bindings =
262 _find_key_bindings(k, modifiers);
263 int max = bindings.size();
265 for (int i = 0; i < max; i++)
274 FGInput::doMouseClick (int b, int updown, int x, int y)
276 int modifiers = fgGetKeyModifiers();
278 mouse &m = _mouse_bindings[0];
279 mouse_mode &mode = m.modes[m.current_mode];
281 // Let the property manager know.
282 if (b >= 0 && b < MAX_MOUSE_BUTTONS)
283 m.mouse_button_nodes[b]->setBoolValue(updown == MOUSE_BUTTON_DOWN);
285 // Pass on to PUI and the panel if
286 // requested, and return if one of
287 // them consumes the event.
288 if (mode.pass_through) {
289 if (puMouse(b, updown, x, y))
291 else if ((globals->get_current_panel() != 0) &&
292 globals->get_current_panel()->getVisibility() &&
293 globals->get_current_panel()->doMouseAction(b, updown, x, y))
295 else if (fgHandle3DPanelMouseEvent(b, updown, x, y))
299 // OK, PUI and the panel didn't want the click
300 if (b >= MAX_MOUSE_BUTTONS) {
301 SG_LOG(SG_INPUT, SG_ALERT, "Mouse button " << b
302 << " where only " << MAX_MOUSE_BUTTONS << " expected");
306 _update_button(m.modes[m.current_mode].buttons[b], modifiers, 0 != updown, x, y);
310 FGInput::doMouseMotion (int x, int y)
312 // Don't call fgGetKeyModifiers() here, until we are using a
313 // toolkit that supports getting the mods from outside a key
314 // callback. Glut doesn't.
315 int modifiers = KEYMOD_NONE;
317 int xsize = fgGetInt("/sim/startup/xsize", 800);
318 int ysize = fgGetInt("/sim/startup/ysize", 600);
320 mouse &m = _mouse_bindings[0];
322 if (m.current_mode < 0 || m.current_mode >= m.nModes) {
327 mouse_mode &mode = m.modes[m.current_mode];
329 // Pass on to PUI if requested, and return
330 // if PUI consumed the event.
331 if (mode.pass_through && puMouse(x, y)) {
337 // OK, PUI didn't want the event,
338 // so we can play with it.
341 for (unsigned int i = 0; i < mode.x_bindings[modifiers].size(); i++)
342 mode.x_bindings[modifiers][i]->fire(double(delta), double(xsize));
346 for (unsigned int i = 0; i < mode.y_bindings[modifiers].size(); i++)
347 mode.y_bindings[modifiers][i]->fire(double(delta), double(ysize));
350 // Constrain the mouse if requested
351 if (mode.constrained) {
352 bool need_warp = false;
356 } else if (x >= (xsize-1)) {
364 } else if (y >= (ysize-1)) {
377 FGInput::_init_keyboard ()
379 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing key bindings");
381 SGPropertyNode * key_nodes = fgGetNode("/input/keyboard");
382 if (key_nodes == 0) {
383 SG_LOG(SG_INPUT, SG_WARN, "No key bindings (/input/keyboard)!!");
384 key_nodes = fgGetNode("/input/keyboard", true);
387 vector<SGPropertyNode_ptr> keys = key_nodes->getChildren("key");
388 for (unsigned int i = 0; i < keys.size(); i++) {
389 int index = keys[i]->getIndex();
390 SG_LOG(SG_INPUT, SG_DEBUG, "Binding key " << index);
392 _key_bindings[index].bindings->clear();
393 _key_bindings[index].is_repeatable = keys[i]->getBoolValue("repeatable");
394 _read_bindings(keys[i], _key_bindings[index].bindings, KEYMOD_NONE);
400 FGInput::_scan_joystick_dir(SGPath *path, SGPropertyNode* node, int *index)
402 ulDir *dir = ulOpenDir(path->c_str());
405 while ((dent = ulReadDir(dir)) != 0) {
406 if (dent->d_name[0] == '.')
409 SGPath p(path->str());
410 p.append(dent->d_name);
411 _scan_joystick_dir(&p, node, index);
415 } else if (path->extension() == "xml") {
416 SG_LOG(SG_INPUT, SG_DEBUG, "Reading joystick file " << path->str());
417 SGPropertyNode *n = node->getChild("js-named", (*index)++, true);
418 readProperties(path->str(), n);
419 n->setStringValue("source", path->c_str());
425 FGInput::_init_joystick ()
428 // TODO: zero the old bindings first.
429 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick bindings");
430 SGPropertyNode * js_nodes = fgGetNode("/input/joysticks", true);
432 // read all joystick xml files into /input/joysticks/js_named[1000++]
433 SGPath path(globals->get_fg_root());
434 path.append("Input/Joysticks");
435 int js_named_index = 1000;
436 _scan_joystick_dir(&path, js_nodes, &js_named_index);
438 // build name->node map with each <name> (reverse order)
439 map<string, SGPropertyNode_ptr> jsmap;
440 vector<SGPropertyNode_ptr> js_named = js_nodes->getChildren("js-named");
442 for (int k = (int)js_named.size() - 1; k >= 0; k--) {
443 SGPropertyNode *n = js_named[k];
444 vector<SGPropertyNode_ptr> names = n->getChildren("name");
445 if (names.size() && (n->getChildren("axis").size() || n->getChildren("button").size()))
446 for (unsigned int j = 0; j < names.size(); j++)
447 jsmap[names[j]->getStringValue()] = n;
451 for (int i = 0; i < MAX_JOYSTICKS; i++) {
452 jsJoystick * js = new jsJoystick(i);
453 _joystick_bindings[i].js = js;
455 if (js->notWorking()) {
456 SG_LOG(SG_INPUT, SG_DEBUG, "Joystick " << i << " not found");
460 const char * name = js->getName();
461 SGPropertyNode_ptr js_node = js_nodes->getChild("js", i);
464 SG_LOG(SG_INPUT, SG_INFO, "Using existing bindings for joystick " << i);
467 SG_LOG(SG_INPUT, SG_INFO, "Looking for bindings for joystick \"" << name << '"');
468 SGPropertyNode_ptr named;
470 if ((named = jsmap[name])) {
471 string source = named->getStringValue("source", "user defined");
472 SG_LOG(SG_INPUT, SG_INFO, "... found joystick: " << source);
474 } else if ((named = jsmap["default"])) {
475 string source = named->getStringValue("source", "user defined");
476 SG_LOG(SG_INPUT, SG_INFO, "No config found for joystick \"" << name
477 << "\"\nUsing default: \"" << source << '"');
480 throw sg_throwable(string("No joystick configuration file with "
481 "<name>default</name> entry found!"));
484 js_node = js_nodes->getChild("js", i, true);
485 copyProperties(named, js_node);
486 js_node->setStringValue("id", name);
490 // get rid of unused config nodes
491 for (unsigned int m = 0; m < js_named.size(); m++)
492 js_nodes->removeChild("js-named", js_named[m]->getIndex(), false);
497 FGInput::_postinit_joystick()
499 FGNasalSys *nasalsys = (FGNasalSys *)globals->get_subsystem("nasal");
500 SGPropertyNode *js_nodes = fgGetNode("/input/joysticks");
502 for (int i = 0; i < MAX_JOYSTICKS; i++) {
503 SGPropertyNode_ptr js_node = js_nodes->getChild("js", i);
504 jsJoystick *js = _joystick_bindings[i].js;
505 if (!js_node || js->notWorking())
510 joyGetDevCaps( i, &jsCaps, sizeof(jsCaps) );
511 int nbuttons = jsCaps.wNumButtons;
512 if (nbuttons > MAX_JOYSTICK_BUTTONS) nbuttons = MAX_JOYSTICK_BUTTONS;
514 int nbuttons = MAX_JOYSTICK_BUTTONS;
517 int naxes = js->getNumAxes();
518 if (naxes > MAX_JOYSTICK_AXES) naxes = MAX_JOYSTICK_AXES;
519 _joystick_bindings[i].naxes = naxes;
520 _joystick_bindings[i].nbuttons = nbuttons;
522 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick " << i);
524 // Set up range arrays
525 float minRange[MAX_JOYSTICK_AXES];
526 float maxRange[MAX_JOYSTICK_AXES];
527 float center[MAX_JOYSTICK_AXES];
529 // Initialize with default values
530 js->getMinRange(minRange);
531 js->getMaxRange(maxRange);
532 js->getCenter(center);
534 // Allocate axes and buttons
535 _joystick_bindings[i].axes = new axis[naxes];
536 _joystick_bindings[i].buttons = new button[nbuttons];
539 // Initialize nasal groups.
542 init = "this=\"" + string(js_node->getPath()) + "\"";
543 sprintf(_module, "__js%d", i);
544 nasalsys->createModule(_module, _module, init.c_str(), init.size());
546 vector<SGPropertyNode_ptr> nasal = js_node->getChildren("nasal");
547 for (unsigned int j = 0; j < nasal.size(); j++) {
548 nasal[j]->setStringValue("module", _module);
549 nasalsys->handleCommand(nasal[j]);
553 // Initialize the axes.
555 vector<SGPropertyNode_ptr> axes = js_node->getChildren("axis");
556 size_t nb_axes = axes.size();
558 for (j = 0; j < (int)nb_axes; j++) {
559 const SGPropertyNode * axis_node = axes[j];
560 const SGPropertyNode * num_node = axis_node->getChild("number");
561 int n_axis = axis_node->getIndex();
563 n_axis = num_node->getIntValue(TGT_PLATFORM, -1);
565 // Silently ignore platforms that are not specified within the
566 // <number></number> section
571 if (n_axis >= naxes) {
572 SG_LOG(SG_INPUT, SG_DEBUG, "Dropping bindings for axis " << n_axis);
575 axis &a = _joystick_bindings[i].axes[n_axis];
577 js->setDeadBand(n_axis, axis_node->getDoubleValue("dead-band", 0.0));
579 a.tolerance = axis_node->getDoubleValue("tolerance", 0.002);
580 minRange[n_axis] = axis_node->getDoubleValue("min-range", minRange[n_axis]);
581 maxRange[n_axis] = axis_node->getDoubleValue("max-range", maxRange[n_axis]);
582 center[n_axis] = axis_node->getDoubleValue("center", center[n_axis]);
584 _read_bindings(axis_node, a.bindings, KEYMOD_NONE);
586 // Initialize the virtual axis buttons.
587 _init_button(axis_node->getChild("low"), a.low, "low");
588 a.low_threshold = axis_node->getDoubleValue("low-threshold", -0.9);
590 _init_button(axis_node->getChild("high"), a.high, "high");
591 a.high_threshold = axis_node->getDoubleValue("high-threshold", 0.9);
592 a.interval_sec = axis_node->getDoubleValue("interval-sec",0.0);
597 // Initialize the buttons.
599 vector<SGPropertyNode_ptr> buttons = js_node->getChildren("button");
601 for (j = 0; (j < (int)buttons.size()) && (j < nbuttons); j++) {
602 const SGPropertyNode * button_node = buttons[j];
603 const SGPropertyNode * num_node = button_node->getChild("number");
604 size_t n_but = button_node->getIndex();
606 n_but = num_node->getIntValue(TGT_PLATFORM,n_but);
609 if (n_but >= (size_t)nbuttons) {
610 SG_LOG(SG_INPUT, SG_DEBUG, "Dropping bindings for button " << n_but);
614 sprintf(buf, "%d", n_but);
615 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing button " << n_but);
616 _init_button(button_node,
617 _joystick_bindings[i].buttons[n_but],
620 // get interval-sec property
621 button &b = _joystick_bindings[i].buttons[n_but];
622 if (button_node != 0) {
623 b.interval_sec = button_node->getDoubleValue("interval-sec",0.0);
628 js->setMinRange(minRange);
629 js->setMaxRange(maxRange);
630 js->setCenter(center);
636 // Map of all known cursor names
637 // This used to contain all the Glut cursors, but those are
638 // not defined by other toolkits. It now supports only the cursor
639 // images we actually use, in the interest of portability. Someday,
640 // it would be cool to write an OpenGL cursor renderer, with the
641 // cursors defined as textures referenced in the property tree. This
642 // list could then be eliminated. -Andy
647 } mouse_cursor_map[] = {
648 { "none", MOUSE_CURSOR_NONE },
649 { "inherit", MOUSE_CURSOR_POINTER },
650 { "wait", MOUSE_CURSOR_WAIT },
651 { "crosshair", MOUSE_CURSOR_CROSSHAIR },
652 { "left-right", MOUSE_CURSOR_LEFTRIGHT },
657 FGInput::_init_mouse ()
659 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse bindings");
662 SGPropertyNode * mouse_nodes = fgGetNode("/input/mice");
663 if (mouse_nodes == 0) {
664 SG_LOG(SG_INPUT, SG_WARN, "No mouse bindings (/input/mice)!!");
665 mouse_nodes = fgGetNode("/input/mice", true);
669 for (int i = 0; i < MAX_MICE; i++) {
670 SGPropertyNode * mouse_node = mouse_nodes->getChild("mouse", i, true);
671 mouse &m = _mouse_bindings[i];
673 // Grab node pointers
675 sprintf(buf, "/devices/status/mice/mouse[%d]/mode", i);
676 m.mode_node = fgGetNode(buf);
677 if (m.mode_node == NULL) {
678 m.mode_node = fgGetNode(buf, true);
679 m.mode_node->setIntValue(0);
681 for (j = 0; j < MAX_MOUSE_BUTTONS; j++) {
682 sprintf(buf, "/devices/status/mice/mouse[%d]/button[%d]", i, j);
683 m.mouse_button_nodes[j] = fgGetNode(buf, true);
684 m.mouse_button_nodes[j]->setBoolValue(false);
687 // Read all the modes
688 m.nModes = mouse_node->getIntValue("mode-count", 1);
689 m.modes = new mouse_mode[m.nModes];
691 for (int j = 0; j < m.nModes; j++) {
694 // Read the mouse cursor for this mode
695 SGPropertyNode * mode_node = mouse_node->getChild("mode", j, true);
696 const char * cursor_name =
697 mode_node->getStringValue("cursor", "inherit");
698 m.modes[j].cursor = MOUSE_CURSOR_POINTER;
699 for (k = 0; mouse_cursor_map[k].name != 0; k++) {
700 if (!strcmp(mouse_cursor_map[k].name, cursor_name)) {
701 m.modes[j].cursor = mouse_cursor_map[k].cursor;
706 // Read other properties for this mode
707 m.modes[j].constrained = mode_node->getBoolValue("constrained", false);
708 m.modes[j].pass_through = mode_node->getBoolValue("pass-through", false);
710 // Read the button bindings for this mode
711 m.modes[j].buttons = new button[MAX_MOUSE_BUTTONS];
713 for (k = 0; k < MAX_MOUSE_BUTTONS; k++) {
714 sprintf(buf, "mouse button %d", k);
715 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse button " << k);
716 _init_button(mode_node->getChild("button", k),
717 m.modes[j].buttons[k],
721 // Read the axis bindings for this mode
722 _read_bindings(mode_node->getChild("x-axis", 0, true),
723 m.modes[j].x_bindings,
725 _read_bindings(mode_node->getChild("y-axis", 0, true),
726 m.modes[j].y_bindings,
734 FGInput::_init_button (const SGPropertyNode * node,
739 SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for button " << name);
741 b.is_repeatable = node->getBoolValue("repeatable", b.is_repeatable);
743 // Get the bindings for the button
744 _read_bindings(node, b.bindings, KEYMOD_NONE);
750 FGInput::_update_keyboard ()
757 FGInput::_update_joystick (double dt)
759 int modifiers = KEYMOD_NONE; // FIXME: any way to get the real ones?
761 // float js_val, diff;
762 float axis_values[MAX_JOYSTICK_AXES];
767 for ( i = 0; i < MAX_JOYSTICKS; i++) {
769 jsJoystick * js = _joystick_bindings[i].js;
770 if (js == 0 || js->notWorking())
773 js->read(&buttons, axis_values);
775 // Fire bindings for the axes.
776 for ( j = 0; j < _joystick_bindings[i].naxes; j++) {
777 axis &a = _joystick_bindings[i].axes[j];
779 // Do nothing if the axis position
780 // is unchanged; only a change in
781 // position fires the bindings.
782 if (fabs(axis_values[j] - a.last_value) > a.tolerance) {
783 // SG_LOG(SG_INPUT, SG_DEBUG, "Axis " << j << " has moved");
784 a.last_value = axis_values[j];
785 // SG_LOG(SG_INPUT, SG_DEBUG, "There are "
786 // << a.bindings[modifiers].size() << " bindings");
787 for (unsigned int k = 0; k < a.bindings[modifiers].size(); k++)
788 a.bindings[modifiers][k]->fire(axis_values[j]);
791 // do we have to emulate axis buttons?
793 if(a.last_dt >= a.interval_sec) {
794 if (a.low.bindings[modifiers].size())
795 _update_button(_joystick_bindings[i].axes[j].low,
797 axis_values[j] < a.low_threshold,
800 if (a.high.bindings[modifiers].size())
801 _update_button(_joystick_bindings[i].axes[j].high,
803 axis_values[j] > a.high_threshold,
805 a.last_dt -= a.interval_sec;
809 // Fire bindings for the buttons.
810 for (j = 0; j < _joystick_bindings[i].nbuttons; j++) {
811 button &b = _joystick_bindings[i].buttons[j];
813 if(b.last_dt >= b.interval_sec) {
814 _update_button(_joystick_bindings[i].buttons[j],
816 (buttons & (1 << j)) > 0,
818 b.last_dt -= b.interval_sec;
825 FGInput::_update_mouse ( double dt )
827 mouse &m = _mouse_bindings[0];
828 int mode = m.mode_node->getIntValue();
829 if (mode != m.current_mode) {
830 m.current_mode = mode;
831 m.timeout = fgGetDouble( "/sim/mouse/cursor-timeout-sec", 10.0 );
832 if (mode >= 0 && mode < m.nModes) {
833 fgSetMouseCursor(m.modes[mode].cursor);
834 m.x = fgGetInt("/sim/startup/xsize", 800) / 2;
835 m.y = fgGetInt("/sim/startup/ysize", 600) / 2;
836 fgWarpMouse(m.x, m.y);
838 SG_LOG(SG_INPUT, SG_DEBUG, "Mouse mode " << mode << " out of range");
839 fgSetMouseCursor(MOUSE_CURSOR_POINTER);
843 if ( fgGetBool( "/sim/mouse/hide-cursor", true ) ) {
844 if ( m.x != m.save_x || m.y != m.save_y ) {
845 m.timeout = fgGetDouble( "/sim/mouse/cursor-timeout-sec", 10.0 );
846 fgSetMouseCursor(m.modes[mode].cursor);
849 if ( m.timeout <= 0.0 ) {
850 fgSetMouseCursor(MOUSE_CURSOR_NONE);
860 FGInput::_update_button (button &b, int modifiers, bool pressed,
864 // The press event may be repeated.
865 if (!b.last_state || b.is_repeatable) {
866 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been pressed" );
867 for (unsigned int k = 0; k < b.bindings[modifiers].size(); k++)
868 b.bindings[modifiers][k]->fire(x, y);
871 // The release event is never repeated.
873 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been released" );
874 for (unsigned int k = 0; k < b.bindings[modifiers|KEYMOD_RELEASED].size(); k++)
875 b.bindings[modifiers|KEYMOD_RELEASED][k]->fire(x, y);
879 b.last_state = pressed;
884 FGInput::_read_bindings (const SGPropertyNode * node,
885 binding_list_t * binding_list,
888 SG_LOG(SG_INPUT, SG_DEBUG, "Reading all bindings");
889 vector<SGPropertyNode_ptr> bindings = node->getChildren("binding");
890 for (unsigned int i = 0; i < bindings.size(); i++) {
891 const char *cmd = bindings[i]->getStringValue("command");
892 SG_LOG(SG_INPUT, SG_DEBUG, "Reading binding " << cmd);
894 if (!strcmp(cmd, "nasal") && _module[0])
895 bindings[i]->setStringValue("module", _module);
896 binding_list[modifiers].push_back(new FGBinding(bindings[i]));
899 // Read nested bindings for modifiers
900 if (node->getChild("mod-up") != 0)
901 _read_bindings(node->getChild("mod-up"), binding_list,
902 modifiers|KEYMOD_RELEASED);
904 if (node->getChild("mod-shift") != 0)
905 _read_bindings(node->getChild("mod-shift"), binding_list,
906 modifiers|KEYMOD_SHIFT);
908 if (node->getChild("mod-ctrl") != 0)
909 _read_bindings(node->getChild("mod-ctrl"), binding_list,
910 modifiers|KEYMOD_CTRL);
912 if (node->getChild("mod-alt") != 0)
913 _read_bindings(node->getChild("mod-alt"), binding_list,
914 modifiers|KEYMOD_ALT);
918 const vector<FGBinding *> &
919 FGInput::_find_key_bindings (unsigned int k, int modifiers)
921 unsigned char kc = (unsigned char)k;
922 button &b = _key_bindings[k];
924 // Try it straight, first.
925 if (b.bindings[modifiers].size() > 0)
926 return b.bindings[modifiers];
928 // Alt-Gr is CTRL+ALT
929 else if (modifiers&(KEYMOD_CTRL|KEYMOD_ALT))
930 return _find_key_bindings(k, modifiers&~(KEYMOD_CTRL|KEYMOD_ALT));
932 // Try removing the control modifier
934 else if ((modifiers&KEYMOD_CTRL) && iscntrl(kc))
935 return _find_key_bindings(k, modifiers&~KEYMOD_CTRL);
937 // Try removing shift modifier
938 // for upper case or any punctuation
939 // (since different keyboards will
940 // shift different punctuation types)
941 else if ((modifiers&KEYMOD_SHIFT) && (isupper(kc) || ispunct(kc)))
942 return _find_key_bindings(k, modifiers&~KEYMOD_SHIFT);
944 // Try removing alt modifier for
945 // high-bit characters.
946 else if ((modifiers&KEYMOD_ALT) && k >= 128 && k < 256)
947 return _find_key_bindings(k, modifiers&~KEYMOD_ALT);
949 // Give up and return the empty vector.
951 return b.bindings[modifiers];
956 ////////////////////////////////////////////////////////////////////////
957 // Implementation of FGInput::button.
958 ////////////////////////////////////////////////////////////////////////
960 FGInput::button::button ()
961 : is_repeatable(false),
966 FGInput::button::~button ()
968 // FIXME: memory leak
969 // for (int i = 0; i < KEYMOD_MAX; i++)
970 // for (int j = 0; i < bindings[i].size(); j++)
971 // delete bindings[i][j];
976 ////////////////////////////////////////////////////////////////////////
977 // Implementation of FGInput::axis.
978 ////////////////////////////////////////////////////////////////////////
980 FGInput::axis::axis ()
981 : last_value(9999999),
988 FGInput::axis::~axis ()
990 // for (int i = 0; i < KEYMOD_MAX; i++)
991 // for (int j = 0; i < bindings[i].size(); j++)
992 // delete bindings[i][j];
997 ////////////////////////////////////////////////////////////////////////
998 // Implementation of FGInput::joystick.
999 ////////////////////////////////////////////////////////////////////////
1001 FGInput::joystick::joystick ()
1005 FGInput::joystick::~joystick ()
1014 ////////////////////////////////////////////////////////////////////////
1015 // Implementation of FGInput::mouse_mode
1016 ////////////////////////////////////////////////////////////////////////
1018 FGInput::mouse_mode::mouse_mode ()
1019 : cursor(MOUSE_CURSOR_POINTER),
1021 pass_through(false),
1026 FGInput::mouse_mode::~mouse_mode ()
1028 // FIXME: memory leak
1029 // for (int i = 0; i < KEYMOD_MAX; i++) {
1031 // for (j = 0; i < x_bindings[i].size(); j++)
1032 // delete bindings[i][j];
1033 // for (j = 0; j < y_bindings[i].size(); j++)
1034 // delete bindings[i][j];
1041 ////////////////////////////////////////////////////////////////////////
1042 // Implementation of FGInput::mouse
1043 ////////////////////////////////////////////////////////////////////////
1045 FGInput::mouse::mouse ()
1054 FGInput::mouse::~mouse ()
1059 ////////////////////////////////////////////////////////////////////////
1060 // Implementation of OS callbacks.
1061 ////////////////////////////////////////////////////////////////////////
1063 void keyHandler(int key, int keymod, int mousex, int mousey)
1065 if((keymod & KEYMOD_RELEASED) == 0)
1066 if(puKeyboard(key, PU_DOWN))
1070 default_input->doKey(key, keymod, mousex, mousey);
1073 void mouseClickHandler(int button, int updown, int x, int y)
1076 default_input->doMouseClick(button, updown, x, y);
1079 void mouseMotionHandler(int x, int y)
1081 if (default_input != 0)
1082 default_input->doMouseMotion(x, y);