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>
44 #include <simgear/compiler.h>
46 #include <simgear/constants.h>
47 #include <simgear/debug/logstream.hxx>
48 #include <simgear/misc/props.hxx>
50 #include <Aircraft/aircraft.hxx>
51 #include <Autopilot/auto_gui.hxx>
52 #include <Autopilot/newauto.hxx>
53 #include <Cockpit/hud.hxx>
54 #include <Cockpit/panel.hxx>
55 #include <Cockpit/panel_io.hxx>
57 #include <Model/panelnode.hxx>
59 #include <Main/globals.hxx>
60 #include <Main/fg_props.hxx>
64 #if !defined(SG_HAVE_NATIVE_SGI_COMPILERS)
65 SG_USING_STD(ifstream);
72 ////////////////////////////////////////////////////////////////////////
74 ////////////////////////////////////////////////////////////////////////
76 static FGInput * default_input = 0;
80 ////////////////////////////////////////////////////////////////////////
81 // Implementation of FGBinding.
82 ////////////////////////////////////////////////////////////////////////
84 FGBinding::FGBinding ()
86 _arg(new SGPropertyNode),
91 FGBinding::FGBinding (const SGPropertyNode * node)
93 _arg(new SGPropertyNode),
99 FGBinding::~FGBinding ()
101 // delete _arg; // Delete the saved arguments
102 // delete _command_state; // Delete the saved command state
106 FGBinding::read (const SGPropertyNode * node)
108 const SGPropertyNode * conditionNode = node->getChild("condition");
109 if (conditionNode != 0) {
110 cerr << "Adding condition to binding" << endl;
111 setCondition(fgReadCondition(conditionNode));
114 _command_name = node->getStringValue("command", "");
115 if (_command_name.empty()) {
116 SG_LOG(SG_INPUT, SG_WARN, "No command supplied for binding.");
121 _command = globals->get_commands()->getCommand(_command_name);
123 SG_LOG(SG_INPUT, SG_ALERT, "Command " << _command_name << " is undefined");
129 _arg = new SGPropertyNode;
131 copyProperties(node, _arg); // FIXME: don't use whole node!!!
135 FGBinding::fire () const
139 SG_LOG(SG_INPUT, SG_WARN, "No command attached to binding");
140 } else if (!(*_command)(_arg)) {
141 SG_LOG(SG_INPUT, SG_ALERT, "Failed to execute command "
148 FGBinding::fire (double offset, double max) const
151 _arg->setDoubleValue("offset", offset/max);
157 FGBinding::fire (double setting) const
160 // A value is automatically added to
162 if (_setting == 0) // save the setting node for efficiency
163 _setting = _arg->getChild("setting", 0, true);
164 _setting->setDoubleValue(setting);
171 ////////////////////////////////////////////////////////////////////////
172 // Implementation of FGInput.
173 ////////////////////////////////////////////////////////////////////////
176 extern void fgReshape( int width, int height );
181 if (default_input == 0)
182 default_input = this;
187 if (default_input == this)
198 glutKeyboardFunc(GLUTkey);
199 glutKeyboardUpFunc(GLUTkeyup);
200 glutSpecialFunc(GLUTspecialkey);
201 glutSpecialUpFunc(GLUTspecialkeyup);
202 glutMouseFunc (GLUTmouse);
203 glutMotionFunc (GLUTmotion);
204 glutPassiveMotionFunc (GLUTmotion);
220 FGInput::update (double dt)
228 FGInput::makeDefault (bool status)
231 default_input = this;
232 else if (default_input == this)
237 FGInput::doKey (int k, int modifiers, int x, int y)
240 if (k < 0 || k >= MAX_KEYS) {
241 SG_LOG(SG_INPUT, SG_WARN, "Key value " << k << " out of range");
245 button &b = _key_bindings[k];
248 if (modifiers&FG_MOD_UP == 0) {
249 SG_LOG( SG_INPUT, SG_DEBUG, "User pressed key " << k
250 << " with modifiers " << modifiers );
251 if (!b.last_state || b.is_repeatable) {
252 const binding_list_t &bindings =
253 _find_key_bindings(k, modifiers);
254 int max = bindings.size();
256 for (int i = 0; i < max; i++)
265 SG_LOG(SG_INPUT, SG_DEBUG, "User released key " << k
266 << " with modifiers " << modifiers);
268 const binding_list_t &bindings =
269 _find_key_bindings(k, modifiers);
270 int max = bindings.size();
272 for (int i = 0; i < max; i++)
280 // Use the old, default actions.
281 SG_LOG( SG_INPUT, SG_DEBUG, "(No user binding.)" );
282 if (modifiers&FG_MOD_UP)
285 // everything after here will be removed sooner or later...
287 if (modifiers & FG_MOD_SHIFT) {
291 HUD_brightkey( true );
295 fgHUDInit2(¤t_aircraft);
301 SG_LOG( SG_INPUT, SG_DEBUG, "" );
304 HUD_masterswitch( true );
307 fgHUDInit(¤t_aircraft); // normal HUD
312 case 256+GLUT_KEY_F6: // F6 toggles Autopilot target location
313 if ( globals->get_autopilot()->get_HeadingMode() !=
314 FGAutopilot::FG_HEADING_WAYPOINT ) {
315 globals->get_autopilot()->set_HeadingMode(
316 FGAutopilot::FG_HEADING_WAYPOINT );
317 globals->get_autopilot()->set_HeadingEnabled( true );
319 globals->get_autopilot()->set_HeadingMode(
320 FGAutopilot::FG_TC_HEADING_LOCK );
323 case 256+GLUT_KEY_F8: {// F8 toggles fog ... off fastest nicest...
324 const string &fog = fgGetString("/sim/rendering/fog");
325 if (fog == "disabled") {
326 fgSetString("/sim/rendering/fog", "fastest");
327 SG_LOG(SG_INPUT, SG_INFO, "Fog enabled, hint=fastest");
328 } else if (fog == "fastest") {
329 fgSetString("/sim/rendering/fog", "nicest");
330 SG_LOG(SG_INPUT, SG_INFO, "Fog enabled, hint=nicest");
331 } else if (fog == "nicest") {
332 fgSetString("/sim/rendering/fog", "disabled");
333 SG_LOG(SG_INPUT, SG_INFO, "Fog disabled");
335 fgSetString("/sim/rendering/fog", "disabled");
336 SG_LOG(SG_INPUT, SG_ALERT, "Unrecognized fog type "
337 << fog << ", changed to 'disabled'");
341 case 256+GLUT_KEY_F10: // F10 toggles menu on and off...
342 SG_LOG(SG_INPUT, SG_INFO, "Invoking call back function");
345 case 256+GLUT_KEY_F11: // F11 Altitude Dialog.
346 SG_LOG(SG_INPUT, SG_INFO, "Invoking Altitude call back function");
349 case 256+GLUT_KEY_F12: // F12 Heading Dialog...
350 SG_LOG(SG_INPUT, SG_INFO, "Invoking Heading call back function");
361 FGInput::doMouseClick (int b, int updown, int x, int y)
363 int modifiers = FG_MOD_NONE; // FIXME: any way to get the real ones?
365 mouse &m = _mouse_bindings[0];
366 mouse_mode &mode = m.modes[m.current_mode];
368 // Let the property manager know.
369 if (b >= 0 && b < MAX_MOUSE_BUTTONS)
370 m.mouse_button_nodes[b]->setBoolValue(updown == GLUT_DOWN);
372 // Pass on to PUI and the panel if
373 // requested, and return if one of
374 // them consumes the event.
375 if (mode.pass_through) {
376 if (puMouse(b, updown, x, y))
378 else if ((current_panel != 0) &&
379 current_panel->getVisibility() &&
380 current_panel->doMouseAction(b, updown, x, y))
382 else if (fgHandle3DPanelMouseEvent(b, updown, x, y))
386 // OK, PUI and the panel didn't want the click
387 if (b >= MAX_MOUSE_BUTTONS) {
388 SG_LOG(SG_INPUT, SG_ALERT, "Mouse button " << b
389 << " where only " << MAX_MOUSE_BUTTONS << " expected");
393 _update_button(m.modes[m.current_mode].buttons[b], modifiers, 0 != updown, x, y);
397 FGInput::doMouseMotion (int x, int y)
399 int modifiers = FG_MOD_NONE; // FIXME: any way to get the real ones?
401 int xsize = fgGetInt("/sim/startup/xsize", 800);
402 int ysize = fgGetInt("/sim/startup/ysize", 600);
403 mouse &m = _mouse_bindings[0];
404 if (m.current_mode < 0 || m.current_mode >= m.nModes)
406 mouse_mode &mode = m.modes[m.current_mode];
408 // Pass on to PUI if requested, and return
409 // if PUI consumed the event.
410 if (mode.pass_through && puMouse(x, y))
413 // OK, PUI didn't want the event,
414 // so we can play with it.
417 for (unsigned int i = 0; i < mode.x_bindings[modifiers].size(); i++)
418 mode.x_bindings[modifiers][i]->fire(double(delta), double(xsize));
422 for (unsigned int i = 0; i < mode.y_bindings[modifiers].size(); i++)
423 mode.y_bindings[modifiers][i]->fire(double(delta), double(ysize));
426 // Constrain the mouse if requested
427 if (mode.constrained) {
428 bool need_warp = false;
432 } else if (x >= (xsize-1)) {
440 } else if (y >= (ysize-1)) {
446 glutWarpPointer(x, y);
453 FGInput::_init_keyboard ()
455 // TODO: zero the old bindings first.
456 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing key bindings");
457 SGPropertyNode * key_nodes = fgGetNode("/input/keyboard");
458 if (key_nodes == 0) {
459 SG_LOG(SG_INPUT, SG_WARN, "No key bindings (/input/keyboard)!!");
460 key_nodes = fgGetNode("/input/keyboard", true);
463 vector<SGPropertyNode_ptr> keys = key_nodes->getChildren("key");
464 for (unsigned int i = 0; i < keys.size(); i++) {
465 int index = keys[i]->getIndex();
466 SG_LOG(SG_INPUT, SG_DEBUG, "Binding key " << index);
467 _key_bindings[index].is_repeatable = keys[i]->getBoolValue("repeatable");
468 _read_bindings(keys[i], _key_bindings[index].bindings, FG_MOD_NONE);
474 FGInput::_init_joystick ()
476 // TODO: zero the old bindings first.
477 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick bindings");
478 SGPropertyNode * js_nodes = fgGetNode("/input/joysticks");
480 SG_LOG(SG_INPUT, SG_WARN, "No joystick bindings (/input/joysticks)!!");
481 js_nodes = fgGetNode("/input/joysticks", true);
484 for (int i = 0; i < MAX_JOYSTICKS; i++) {
485 SGPropertyNode_ptr js_node = js_nodes->getChild("js", i);
487 SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for joystick " << i);
488 js_node = js_nodes->getChild("js", i, true);
490 jsJoystick * js = new jsJoystick(i);
491 _joystick_bindings[i].js = js;
492 if (js->notWorking()) {
493 SG_LOG(SG_INPUT, SG_WARN, "Joystick " << i << " not found");
496 #ifdef FG_PLIB_JOYSTICK_GETNAME
497 bool found_js = false;
498 const char * name = js->getName();
499 SG_LOG(SG_INPUT, SG_INFO, "Looking for bindings for joystick \""
501 vector<SGPropertyNode_ptr> nodes = js_nodes->getChildren("js-named");
502 for (unsigned int i = 0; i < nodes.size(); i++) {
503 SGPropertyNode_ptr node = nodes[i];
504 vector<SGPropertyNode_ptr> name_nodes = node->getChildren("name");
505 for (unsigned int j = 0; j < name_nodes.size(); j++) {
506 const char * js_name = name_nodes[j]->getStringValue();
507 SG_LOG(SG_INPUT, SG_INFO, " Trying \"" << js_name << '"');
508 if (!strcmp(js_name, name)) {
509 SG_LOG(SG_INPUT, SG_INFO, " Found bindings");
522 joyGetDevCaps( i, &jsCaps, sizeof(jsCaps) );
523 int nbuttons = jsCaps.wNumButtons;
524 if (nbuttons > MAX_JOYSTICK_BUTTONS) nbuttons = MAX_JOYSTICK_BUTTONS;
526 int nbuttons = MAX_JOYSTICK_BUTTONS;
529 int naxes = js->getNumAxes();
530 if (naxes > MAX_JOYSTICK_AXES) naxes = MAX_JOYSTICK_AXES;
531 _joystick_bindings[i].naxes = naxes;
532 _joystick_bindings[i].nbuttons = nbuttons;
534 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick " << i);
536 // Set up range arrays
537 float minRange[MAX_JOYSTICK_AXES];
538 float maxRange[MAX_JOYSTICK_AXES];
539 float center[MAX_JOYSTICK_AXES];
541 // Initialize with default values
542 js->getMinRange(minRange);
543 js->getMaxRange(maxRange);
544 js->getCenter(center);
546 // Allocate axes and buttons
547 _joystick_bindings[i].axes = new axis[naxes];
548 _joystick_bindings[i].buttons = new button[nbuttons];
552 // Initialize the axes.
555 for (j = 0; j < naxes; j++) {
556 const SGPropertyNode * axis_node = js_node->getChild("axis", j);
557 if (axis_node == 0) {
558 SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for axis " << j);
559 axis_node = js_node->getChild("axis", j, true);
562 axis &a = _joystick_bindings[i].axes[j];
564 js->setDeadBand(j, axis_node->getDoubleValue("dead-band", 0.0));
566 a.tolerance = axis_node->getDoubleValue("tolerance", 0.002);
567 minRange[j] = axis_node->getDoubleValue("min-range", minRange[j]);
568 maxRange[j] = axis_node->getDoubleValue("max-range", maxRange[j]);
569 center[j] = axis_node->getDoubleValue("center", center[j]);
571 _read_bindings(axis_node, a.bindings, FG_MOD_NONE);
573 // Initialize the virtual axis buttons.
574 _init_button(axis_node->getChild("low"), a.low, "low");
575 a.low_threshold = axis_node->getDoubleValue("low-threshold", -0.9);
577 _init_button(axis_node->getChild("high"), a.high, "high");
578 a.high_threshold = axis_node->getDoubleValue("high-threshold", 0.9);
582 // Initialize the buttons.
585 for (j = 0; j < nbuttons; j++) {
586 sprintf(buf, "%d", j);
587 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing button " << j);
588 _init_button(js_node->getChild("button", j),
589 _joystick_bindings[i].buttons[j],
594 js->setMinRange(minRange);
595 js->setMaxRange(maxRange);
596 js->setCenter(center);
601 // Map of all known GLUT cursor names
606 } mouse_cursor_map[] = {
607 { "right-arrow", GLUT_CURSOR_RIGHT_ARROW },
608 { "left-arrow", GLUT_CURSOR_LEFT_ARROW },
609 { "info", GLUT_CURSOR_INFO },
610 { "destroy", GLUT_CURSOR_DESTROY },
611 { "help", GLUT_CURSOR_HELP },
612 { "cycle", GLUT_CURSOR_CYCLE },
613 { "spray", GLUT_CURSOR_SPRAY },
614 { "wait", GLUT_CURSOR_WAIT },
615 { "text", GLUT_CURSOR_TEXT },
616 { "crosshair", GLUT_CURSOR_CROSSHAIR },
617 { "up-down", GLUT_CURSOR_UP_DOWN },
618 { "left-right", GLUT_CURSOR_LEFT_RIGHT },
619 { "top-side", GLUT_CURSOR_TOP_SIDE },
620 { "bottom-side", GLUT_CURSOR_BOTTOM_SIDE },
621 { "left-side", GLUT_CURSOR_LEFT_SIDE },
622 { "right-side", GLUT_CURSOR_RIGHT_SIDE },
623 { "top-left-corner", GLUT_CURSOR_TOP_LEFT_CORNER },
624 { "top-right-corner", GLUT_CURSOR_TOP_RIGHT_CORNER },
625 { "bottom-right-corner", GLUT_CURSOR_BOTTOM_RIGHT_CORNER },
626 { "bottom-left-corner", GLUT_CURSOR_BOTTOM_LEFT_CORNER },
627 { "inherit", GLUT_CURSOR_INHERIT },
628 { "none", GLUT_CURSOR_NONE },
629 { "full-crosshair", GLUT_CURSOR_FULL_CROSSHAIR },
636 FGInput::_init_mouse ()
638 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse bindings");
640 SGPropertyNode * mouse_nodes = fgGetNode("/input/mice");
641 if (mouse_nodes == 0) {
642 SG_LOG(SG_INPUT, SG_WARN, "No mouse bindings (/input/mice)!!");
643 mouse_nodes = fgGetNode("/input/mice", true);
647 for (int i = 0; i < MAX_MICE; i++) {
648 SGPropertyNode * mouse_node = mouse_nodes->getChild("mouse", i, true);
649 mouse &m = _mouse_bindings[i];
651 // Grab node pointers
653 sprintf(buf, "/devices/status/mice/mouse[%d]/mode", i);
654 m.mode_node = fgGetNode(buf, true);
655 m.mode_node->setIntValue(0);
656 for (j = 0; j < MAX_MOUSE_BUTTONS; j++) {
657 sprintf(buf, "/devices/status/mice/mouse[%d]/button[%d]", i, j);
658 m.mouse_button_nodes[j] = fgGetNode(buf, true);
659 m.mouse_button_nodes[j]->setBoolValue(false);
662 // Read all the modes
663 m.nModes = mouse_node->getIntValue("mode-count", 1);
664 m.modes = new mouse_mode[m.nModes];
666 for (int j = 0; j < m.nModes; j++) {
669 // Read the mouse cursor for this mode
670 SGPropertyNode * mode_node = mouse_node->getChild("mode", j, true);
671 const char * cursor_name =
672 mode_node->getStringValue("cursor", "inherit");
673 m.modes[j].cursor = GLUT_CURSOR_INHERIT;
674 for (k = 0; mouse_cursor_map[k].name != 0; k++) {
675 if (!strcmp(mouse_cursor_map[k].name, cursor_name)) {
676 m.modes[j].cursor = mouse_cursor_map[k].cursor;
681 // Read other properties for this mode
682 m.modes[j].constrained = mode_node->getBoolValue("constrained", false);
683 m.modes[j].pass_through = mode_node->getBoolValue("pass-through", false);
685 // Read the button bindings for this mode
686 m.modes[j].buttons = new button[MAX_MOUSE_BUTTONS];
688 for (k = 0; k < MAX_MOUSE_BUTTONS; k++) {
689 sprintf(buf, "mouse button %d", k);
690 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse button " << k);
691 _init_button(mode_node->getChild("button", k),
692 m.modes[j].buttons[k],
696 // Read the axis bindings for this mode
697 _read_bindings(mode_node->getChild("x-axis", 0, true),
698 m.modes[j].x_bindings,
700 _read_bindings(mode_node->getChild("y-axis", 0, true),
701 m.modes[j].y_bindings,
709 FGInput::_init_button (const SGPropertyNode * node,
714 SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for button " << name);
716 b.is_repeatable = node->getBoolValue("repeatable", b.is_repeatable);
718 // Get the bindings for the button
719 _read_bindings(node, b.bindings, FG_MOD_NONE);
725 FGInput::_update_keyboard ()
732 FGInput::_update_joystick ()
734 int modifiers = FG_MOD_NONE; // FIXME: any way to get the real ones?
736 // float js_val, diff;
737 float axis_values[MAX_JOYSTICK_AXES];
742 for ( i = 0; i < MAX_JOYSTICKS; i++) {
744 jsJoystick * js = _joystick_bindings[i].js;
745 if (js == 0 || js->notWorking())
748 js->read(&buttons, axis_values);
751 // Fire bindings for the axes.
752 for ( j = 0; j < _joystick_bindings[i].naxes; j++) {
753 axis &a = _joystick_bindings[i].axes[j];
755 // Do nothing if the axis position
756 // is unchanged; only a change in
757 // position fires the bindings.
758 if (fabs(axis_values[j] - a.last_value) > a.tolerance) {
759 // SG_LOG(SG_INPUT, SG_DEBUG, "Axis " << j << " has moved");
761 a.last_value = axis_values[j];
762 // SG_LOG(SG_INPUT, SG_DEBUG, "There are "
763 // << a.bindings[modifiers].size() << " bindings");
764 for (unsigned int k = 0; k < a.bindings[modifiers].size(); k++)
765 a.bindings[modifiers][k]->fire(axis_values[j]);
768 // do we have to emulate axis buttons?
769 if (a.low.bindings[modifiers].size())
770 _update_button(_joystick_bindings[i].axes[j].low,
772 axis_values[j] < a.low_threshold,
775 if (a.high.bindings[modifiers].size())
776 _update_button(_joystick_bindings[i].axes[j].high,
778 axis_values[j] > a.high_threshold,
782 // Fire bindings for the buttons.
783 for (j = 0; j < _joystick_bindings[i].nbuttons; j++) {
784 _update_button(_joystick_bindings[i].buttons[j],
786 (buttons & (1 << j)) > 0,
793 FGInput::_update_mouse ()
795 mouse &m = _mouse_bindings[0];
796 int mode = m.mode_node->getIntValue();
797 if (mode != m.current_mode) {
798 m.current_mode = mode;
799 if (mode >= 0 && mode < m.nModes) {
800 glutSetCursor(m.modes[mode].cursor);
801 m.x = fgGetInt("/sim/startup/xsize", 800) / 2;
802 m.y = fgGetInt("/sim/startup/ysize", 600) / 2;
803 glutWarpPointer(m.x, m.y);
805 SG_LOG(SG_INPUT, SG_DEBUG, "Mouse mode " << mode << " out of range");
806 glutSetCursor(GLUT_CURSOR_INHERIT);
812 FGInput::_update_button (button &b, int modifiers, bool pressed,
816 // The press event may be repeated.
817 if (!b.last_state || b.is_repeatable) {
818 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been pressed" );
819 for (unsigned int k = 0; k < b.bindings[modifiers].size(); k++)
820 b.bindings[modifiers][k]->fire(x, y);
823 // The release event is never repeated.
825 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been released" );
826 for (unsigned int k = 0; k < b.bindings[modifiers|FG_MOD_UP].size(); k++)
827 b.bindings[modifiers|FG_MOD_UP][k]->fire(x, y);
831 b.last_state = pressed;
836 FGInput::_read_bindings (const SGPropertyNode * node,
837 binding_list_t * binding_list,
840 SG_LOG(SG_INPUT, SG_DEBUG, "Reading all bindings");
841 vector<SGPropertyNode_ptr> bindings = node->getChildren("binding");
842 for (unsigned int i = 0; i < bindings.size(); i++) {
843 SG_LOG(SG_INPUT, SG_DEBUG, "Reading binding "
844 << bindings[i]->getStringValue("command"));
845 binding_list[modifiers].push_back(new FGBinding(bindings[i]));
848 // Read nested bindings for modifiers
849 if (node->getChild("mod-up") != 0)
850 _read_bindings(node->getChild("mod-up"), binding_list,
851 modifiers|FG_MOD_UP);
853 if (node->getChild("mod-shift") != 0)
854 _read_bindings(node->getChild("mod-shift"), binding_list,
855 modifiers|FG_MOD_SHIFT);
857 if (node->getChild("mod-ctrl") != 0)
858 _read_bindings(node->getChild("mod-ctrl"), binding_list,
859 modifiers|FG_MOD_CTRL);
861 if (node->getChild("mod-alt") != 0)
862 _read_bindings(node->getChild("mod-alt"), binding_list,
863 modifiers|FG_MOD_ALT);
867 const vector<FGBinding *> &
868 FGInput::_find_key_bindings (unsigned int k, int modifiers)
870 button &b = _key_bindings[k];
872 // Try it straight, first.
873 if (b.bindings[modifiers].size() > 0)
874 return b.bindings[modifiers];
876 // Try removing the control modifier
878 else if ((modifiers&FG_MOD_CTRL) && iscntrl(k))
879 return _find_key_bindings(k, modifiers&~FG_MOD_CTRL);
881 // Try removing shift modifier
882 // for upper case or any punctuation
883 // (since different keyboards will
884 // shift different punctuation types)
885 else if ((modifiers&FG_MOD_SHIFT) && (isupper(k) || ispunct(k)))
886 return _find_key_bindings(k, modifiers&~FG_MOD_SHIFT);
888 // Try removing alt modifier for
889 // high-bit characters.
890 else if ((modifiers&FG_MOD_ALT) && k >= 128 && k < 256)
891 return _find_key_bindings(k, modifiers&~FG_MOD_ALT);
893 // Give up and return the empty vector.
895 return b.bindings[modifiers];
900 ////////////////////////////////////////////////////////////////////////
901 // Implementation of FGInput::button.
902 ////////////////////////////////////////////////////////////////////////
904 FGInput::button::button ()
905 : is_repeatable(false),
910 FGInput::button::~button ()
912 // FIXME: memory leak
913 // for (int i = 0; i < FG_MOD_MAX; i++)
914 // for (int j = 0; i < bindings[i].size(); j++)
915 // delete bindings[i][j];
920 ////////////////////////////////////////////////////////////////////////
921 // Implementation of FGInput::axis.
922 ////////////////////////////////////////////////////////////////////////
924 FGInput::axis::axis ()
925 : last_value(9999999),
932 FGInput::axis::~axis ()
934 // for (int i = 0; i < FG_MOD_MAX; i++)
935 // for (int j = 0; i < bindings[i].size(); j++)
936 // delete bindings[i][j];
941 ////////////////////////////////////////////////////////////////////////
942 // Implementation of FGInput::joystick.
943 ////////////////////////////////////////////////////////////////////////
945 FGInput::joystick::joystick ()
949 FGInput::joystick::~joystick ()
958 ////////////////////////////////////////////////////////////////////////
959 // Implementation of FGInput::mouse_mode
960 ////////////////////////////////////////////////////////////////////////
962 FGInput::mouse_mode::mouse_mode ()
963 : cursor(GLUT_CURSOR_INHERIT),
970 FGInput::mouse_mode::~mouse_mode ()
972 // FIXME: memory leak
973 // for (int i = 0; i < FG_MOD_MAX; i++) {
975 // for (j = 0; i < x_bindings[i].size(); j++)
976 // delete bindings[i][j];
977 // for (j = 0; j < y_bindings[i].size(); j++)
978 // delete bindings[i][j];
985 ////////////////////////////////////////////////////////////////////////
986 // Implementation of FGInput::mouse
987 ////////////////////////////////////////////////////////////////////////
989 FGInput::mouse::mouse ()
998 FGInput::mouse::~mouse ()
1005 ////////////////////////////////////////////////////////////////////////
1006 // Implementation of GLUT callbacks.
1007 ////////////////////////////////////////////////////////////////////////
1011 * Construct the modifiers.
1013 static inline int get_mods ()
1015 int glut_modifiers = glutGetModifiers();
1018 if (glut_modifiers & GLUT_ACTIVE_SHIFT)
1019 modifiers |= FGInput::FG_MOD_SHIFT;
1020 if (glut_modifiers & GLUT_ACTIVE_CTRL)
1021 modifiers |= FGInput::FG_MOD_CTRL;
1022 if (glut_modifiers & GLUT_ACTIVE_ALT)
1023 modifiers |= FGInput::FG_MOD_ALT;
1030 ////////////////////////////////////////////////////////////////////////
1031 // GLUT C callbacks.
1032 ////////////////////////////////////////////////////////////////////////
1035 GLUTkey(unsigned char k, int x, int y)
1037 // Give PUI a chance to grab it first.
1038 if (!puKeyboard(k, PU_DOWN)) {
1039 if (default_input != 0)
1040 default_input->doKey(k, get_mods(), x, y);
1045 GLUTkeyup(unsigned char k, int x, int y)
1047 if (default_input != 0)
1048 default_input->doKey(k, get_mods()|FGInput::FG_MOD_UP, x, y);
1052 GLUTspecialkey(int k, int x, int y)
1054 // Give PUI a chance to grab it first.
1055 if (!puKeyboard(k + PU_KEY_GLUT_SPECIAL_OFFSET, PU_DOWN)) {
1056 if (default_input != 0)
1057 default_input->doKey(k + 256, get_mods(), x, y);
1062 GLUTspecialkeyup(int k, int x, int y)
1064 if (default_input != 0)
1065 default_input->doKey(k + 256, get_mods()|FGInput::FG_MOD_UP, x, y);
1069 GLUTmouse (int button, int updown, int x, int y)
1071 if (default_input != 0)
1072 default_input->doMouseClick(button, updown, x, y);
1076 GLUTmotion (int x, int y)
1078 if (default_input != 0)
1079 default_input->doMouseMotion(x, y);