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)
97 FGBinding::~FGBinding ()
102 FGBinding::read (const SGPropertyNode * node)
104 const SGPropertyNode * conditionNode = node->getChild("condition");
105 if (conditionNode != 0)
106 setCondition(fgReadCondition(conditionNode));
108 _command_name = node->getStringValue("command", "");
109 if (_command_name.empty()) {
110 SG_LOG(SG_INPUT, SG_WARN, "No command supplied for binding.");
115 _command = globals->get_commands()->getCommand(_command_name);
117 SG_LOG(SG_INPUT, SG_ALERT, "Command " << _command_name << " is undefined");
122 _arg = (SGPropertyNode *)node;
126 FGBinding::fire () const
130 SG_LOG(SG_INPUT, SG_WARN, "No command attached to binding");
131 } else if (!(*_command)(_arg)) {
132 SG_LOG(SG_INPUT, SG_ALERT, "Failed to execute command "
139 FGBinding::fire (double offset, double max) const
142 _arg->setDoubleValue("offset", offset/max);
148 FGBinding::fire (double setting) const
151 // A value is automatically added to
153 if (_setting == 0) // save the setting node for efficiency
154 _setting = _arg->getChild("setting", 0, true);
155 _setting->setDoubleValue(setting);
162 ////////////////////////////////////////////////////////////////////////
163 // Implementation of FGInput.
164 ////////////////////////////////////////////////////////////////////////
167 extern void fgReshape( int width, int height );
172 if (default_input == 0)
173 default_input = this;
178 if (default_input == this)
189 glutKeyboardFunc(GLUTkey);
190 glutKeyboardUpFunc(GLUTkeyup);
191 glutSpecialFunc(GLUTspecialkey);
192 glutSpecialUpFunc(GLUTspecialkeyup);
193 glutMouseFunc (GLUTmouse);
194 glutMotionFunc (GLUTmotion);
195 glutPassiveMotionFunc (GLUTmotion);
211 FGInput::update (double dt)
219 FGInput::makeDefault (bool status)
222 default_input = this;
223 else if (default_input == this)
228 FGInput::doKey (int k, int modifiers, int x, int y)
231 if (k < 0 || k >= MAX_KEYS) {
232 SG_LOG(SG_INPUT, SG_WARN, "Key value " << k << " out of range");
236 button &b = _key_bindings[k];
239 if (modifiers&FG_MOD_UP == 0) {
240 SG_LOG( SG_INPUT, SG_DEBUG, "User pressed key " << k
241 << " with modifiers " << modifiers );
242 if (!b.last_state || b.is_repeatable) {
243 const binding_list_t &bindings =
244 _find_key_bindings(k, modifiers);
245 int max = bindings.size();
247 for (int i = 0; i < max; i++)
256 SG_LOG(SG_INPUT, SG_DEBUG, "User released key " << k
257 << " with modifiers " << modifiers);
259 const binding_list_t &bindings =
260 _find_key_bindings(k, modifiers);
261 int max = bindings.size();
263 for (int i = 0; i < max; i++)
271 // Use the old, default actions.
272 SG_LOG( SG_INPUT, SG_DEBUG, "(No user binding.)" );
273 if (modifiers&FG_MOD_UP)
276 // everything after here will be removed sooner or later...
278 if (modifiers & FG_MOD_SHIFT) {
282 HUD_brightkey( true );
286 fgHUDInit2(¤t_aircraft);
292 SG_LOG( SG_INPUT, SG_DEBUG, "" );
295 HUD_masterswitch( true );
298 fgHUDInit(¤t_aircraft); // normal HUD
303 case 256+GLUT_KEY_F6: // F6 toggles Autopilot target location
304 if ( globals->get_autopilot()->get_HeadingMode() !=
305 FGAutopilot::FG_HEADING_WAYPOINT ) {
306 globals->get_autopilot()->set_HeadingMode(
307 FGAutopilot::FG_HEADING_WAYPOINT );
308 globals->get_autopilot()->set_HeadingEnabled( true );
310 globals->get_autopilot()->set_HeadingMode(
311 FGAutopilot::FG_TC_HEADING_LOCK );
314 case 256+GLUT_KEY_F8: {// F8 toggles fog ... off fastest nicest...
315 const string &fog = fgGetString("/sim/rendering/fog");
316 if (fog == "disabled") {
317 fgSetString("/sim/rendering/fog", "fastest");
318 SG_LOG(SG_INPUT, SG_INFO, "Fog enabled, hint=fastest");
319 } else if (fog == "fastest") {
320 fgSetString("/sim/rendering/fog", "nicest");
321 SG_LOG(SG_INPUT, SG_INFO, "Fog enabled, hint=nicest");
322 } else if (fog == "nicest") {
323 fgSetString("/sim/rendering/fog", "disabled");
324 SG_LOG(SG_INPUT, SG_INFO, "Fog disabled");
326 fgSetString("/sim/rendering/fog", "disabled");
327 SG_LOG(SG_INPUT, SG_ALERT, "Unrecognized fog type "
328 << fog << ", changed to 'disabled'");
332 case 256+GLUT_KEY_F10: // F10 toggles menu on and off...
333 SG_LOG(SG_INPUT, SG_INFO, "Invoking call back function");
336 case 256+GLUT_KEY_F11: // F11 Altitude Dialog.
337 SG_LOG(SG_INPUT, SG_INFO, "Invoking Altitude call back function");
340 case 256+GLUT_KEY_F12: // F12 Heading Dialog...
341 SG_LOG(SG_INPUT, SG_INFO, "Invoking Heading call back function");
352 FGInput::doMouseClick (int b, int updown, int x, int y)
354 int modifiers = FG_MOD_NONE; // FIXME: any way to get the real ones?
356 mouse &m = _mouse_bindings[0];
357 mouse_mode &mode = m.modes[m.current_mode];
359 // Let the property manager know.
360 if (b >= 0 && b < MAX_MOUSE_BUTTONS)
361 m.mouse_button_nodes[b]->setBoolValue(updown == GLUT_DOWN);
363 // Pass on to PUI and the panel if
364 // requested, and return if one of
365 // them consumes the event.
366 if (mode.pass_through) {
367 if (puMouse(b, updown, x, y))
369 else if ((current_panel != 0) &&
370 current_panel->getVisibility() &&
371 current_panel->doMouseAction(b, updown, x, y))
373 else if (fgHandle3DPanelMouseEvent(b, updown, x, y))
377 // OK, PUI and the panel didn't want the click
378 if (b >= MAX_MOUSE_BUTTONS) {
379 SG_LOG(SG_INPUT, SG_ALERT, "Mouse button " << b
380 << " where only " << MAX_MOUSE_BUTTONS << " expected");
384 _update_button(m.modes[m.current_mode].buttons[b], modifiers, 0 != updown, x, y);
388 FGInput::doMouseMotion (int x, int y)
390 int modifiers = FG_MOD_NONE; // FIXME: any way to get the real ones?
392 int xsize = fgGetInt("/sim/startup/xsize", 800);
393 int ysize = fgGetInt("/sim/startup/ysize", 600);
394 mouse &m = _mouse_bindings[0];
395 if (m.current_mode < 0 || m.current_mode >= m.nModes)
397 mouse_mode &mode = m.modes[m.current_mode];
399 // Pass on to PUI if requested, and return
400 // if PUI consumed the event.
401 if (mode.pass_through && puMouse(x, y))
404 // OK, PUI didn't want the event,
405 // so we can play with it.
408 for (unsigned int i = 0; i < mode.x_bindings[modifiers].size(); i++)
409 mode.x_bindings[modifiers][i]->fire(double(delta), double(xsize));
413 for (unsigned int i = 0; i < mode.y_bindings[modifiers].size(); i++)
414 mode.y_bindings[modifiers][i]->fire(double(delta), double(ysize));
417 // Constrain the mouse if requested
418 if (mode.constrained) {
419 bool need_warp = false;
423 } else if (x >= (xsize-1)) {
431 } else if (y >= (ysize-1)) {
437 glutWarpPointer(x, y);
444 FGInput::_init_keyboard ()
446 // TODO: zero the old bindings first.
447 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing key bindings");
448 SGPropertyNode * key_nodes = fgGetNode("/input/keyboard");
449 if (key_nodes == 0) {
450 SG_LOG(SG_INPUT, SG_WARN, "No key bindings (/input/keyboard)!!");
451 key_nodes = fgGetNode("/input/keyboard", true);
454 vector<SGPropertyNode_ptr> keys = key_nodes->getChildren("key");
455 for (unsigned int i = 0; i < keys.size(); i++) {
456 int index = keys[i]->getIndex();
457 SG_LOG(SG_INPUT, SG_DEBUG, "Binding key " << index);
458 _key_bindings[index].is_repeatable = keys[i]->getBoolValue("repeatable");
459 _read_bindings(keys[i], _key_bindings[index].bindings, FG_MOD_NONE);
465 FGInput::_init_joystick ()
467 // TODO: zero the old bindings first.
468 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick bindings");
469 SGPropertyNode * js_nodes = fgGetNode("/input/joysticks");
471 SG_LOG(SG_INPUT, SG_WARN, "No joystick bindings (/input/joysticks)!!");
472 js_nodes = fgGetNode("/input/joysticks", true);
475 for (int i = 0; i < MAX_JOYSTICKS; i++) {
476 SGPropertyNode_ptr js_node = js_nodes->getChild("js", i);
478 SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for joystick " << i);
479 js_node = js_nodes->getChild("js", i, true);
481 jsJoystick * js = new jsJoystick(i);
482 _joystick_bindings[i].js = js;
483 if (js->notWorking()) {
484 SG_LOG(SG_INPUT, SG_WARN, "Joystick " << i << " not found");
487 #ifdef FG_PLIB_JOYSTICK_GETNAME
488 bool found_js = false;
489 const char * name = js->getName();
490 SG_LOG(SG_INPUT, SG_INFO, "Looking for bindings for joystick \""
492 vector<SGPropertyNode_ptr> nodes = js_nodes->getChildren("js-named");
493 for (unsigned int i = 0; i < nodes.size(); i++) {
494 SGPropertyNode_ptr node = nodes[i];
495 vector<SGPropertyNode_ptr> name_nodes = node->getChildren("name");
496 for (unsigned int j = 0; j < name_nodes.size(); j++) {
497 const char * js_name = name_nodes[j]->getStringValue();
498 SG_LOG(SG_INPUT, SG_INFO, " Trying \"" << js_name << '"');
499 if (!strcmp(js_name, name)) {
500 SG_LOG(SG_INPUT, SG_INFO, " Found bindings");
513 joyGetDevCaps( i, &jsCaps, sizeof(jsCaps) );
514 int nbuttons = jsCaps.wNumButtons;
515 if (nbuttons > MAX_JOYSTICK_BUTTONS) nbuttons = MAX_JOYSTICK_BUTTONS;
517 int nbuttons = MAX_JOYSTICK_BUTTONS;
520 int naxes = js->getNumAxes();
521 if (naxes > MAX_JOYSTICK_AXES) naxes = MAX_JOYSTICK_AXES;
522 _joystick_bindings[i].naxes = naxes;
523 _joystick_bindings[i].nbuttons = nbuttons;
525 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick " << i);
527 // Set up range arrays
528 float minRange[MAX_JOYSTICK_AXES];
529 float maxRange[MAX_JOYSTICK_AXES];
530 float center[MAX_JOYSTICK_AXES];
532 // Initialize with default values
533 js->getMinRange(minRange);
534 js->getMaxRange(maxRange);
535 js->getCenter(center);
537 // Allocate axes and buttons
538 _joystick_bindings[i].axes = new axis[naxes];
539 _joystick_bindings[i].buttons = new button[nbuttons];
543 // Initialize the axes.
546 for (j = 0; j < naxes; j++) {
547 const SGPropertyNode * axis_node = js_node->getChild("axis", j);
548 if (axis_node == 0) {
549 SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for axis " << j);
550 axis_node = js_node->getChild("axis", j, true);
553 axis &a = _joystick_bindings[i].axes[j];
555 js->setDeadBand(j, axis_node->getDoubleValue("dead-band", 0.0));
557 a.tolerance = axis_node->getDoubleValue("tolerance", 0.002);
558 minRange[j] = axis_node->getDoubleValue("min-range", minRange[j]);
559 maxRange[j] = axis_node->getDoubleValue("max-range", maxRange[j]);
560 center[j] = axis_node->getDoubleValue("center", center[j]);
562 _read_bindings(axis_node, a.bindings, FG_MOD_NONE);
564 // Initialize the virtual axis buttons.
565 _init_button(axis_node->getChild("low"), a.low, "low");
566 a.low_threshold = axis_node->getDoubleValue("low-threshold", -0.9);
568 _init_button(axis_node->getChild("high"), a.high, "high");
569 a.high_threshold = axis_node->getDoubleValue("high-threshold", 0.9);
573 // Initialize the buttons.
576 for (j = 0; j < nbuttons; j++) {
577 sprintf(buf, "%d", j);
578 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing button " << j);
579 _init_button(js_node->getChild("button", j),
580 _joystick_bindings[i].buttons[j],
585 js->setMinRange(minRange);
586 js->setMaxRange(maxRange);
587 js->setCenter(center);
592 // Map of all known GLUT cursor names
597 } mouse_cursor_map[] = {
598 { "right-arrow", GLUT_CURSOR_RIGHT_ARROW },
599 { "left-arrow", GLUT_CURSOR_LEFT_ARROW },
600 { "info", GLUT_CURSOR_INFO },
601 { "destroy", GLUT_CURSOR_DESTROY },
602 { "help", GLUT_CURSOR_HELP },
603 { "cycle", GLUT_CURSOR_CYCLE },
604 { "spray", GLUT_CURSOR_SPRAY },
605 { "wait", GLUT_CURSOR_WAIT },
606 { "text", GLUT_CURSOR_TEXT },
607 { "crosshair", GLUT_CURSOR_CROSSHAIR },
608 { "up-down", GLUT_CURSOR_UP_DOWN },
609 { "left-right", GLUT_CURSOR_LEFT_RIGHT },
610 { "top-side", GLUT_CURSOR_TOP_SIDE },
611 { "bottom-side", GLUT_CURSOR_BOTTOM_SIDE },
612 { "left-side", GLUT_CURSOR_LEFT_SIDE },
613 { "right-side", GLUT_CURSOR_RIGHT_SIDE },
614 { "top-left-corner", GLUT_CURSOR_TOP_LEFT_CORNER },
615 { "top-right-corner", GLUT_CURSOR_TOP_RIGHT_CORNER },
616 { "bottom-right-corner", GLUT_CURSOR_BOTTOM_RIGHT_CORNER },
617 { "bottom-left-corner", GLUT_CURSOR_BOTTOM_LEFT_CORNER },
618 { "inherit", GLUT_CURSOR_INHERIT },
619 { "none", GLUT_CURSOR_NONE },
620 { "full-crosshair", GLUT_CURSOR_FULL_CROSSHAIR },
627 FGInput::_init_mouse ()
629 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse bindings");
631 SGPropertyNode * mouse_nodes = fgGetNode("/input/mice");
632 if (mouse_nodes == 0) {
633 SG_LOG(SG_INPUT, SG_WARN, "No mouse bindings (/input/mice)!!");
634 mouse_nodes = fgGetNode("/input/mice", true);
638 for (int i = 0; i < MAX_MICE; i++) {
639 SGPropertyNode * mouse_node = mouse_nodes->getChild("mouse", i, true);
640 mouse &m = _mouse_bindings[i];
642 // Grab node pointers
644 sprintf(buf, "/devices/status/mice/mouse[%d]/mode", i);
645 m.mode_node = fgGetNode(buf, true);
646 m.mode_node->setIntValue(0);
647 for (j = 0; j < MAX_MOUSE_BUTTONS; j++) {
648 sprintf(buf, "/devices/status/mice/mouse[%d]/button[%d]", i, j);
649 m.mouse_button_nodes[j] = fgGetNode(buf, true);
650 m.mouse_button_nodes[j]->setBoolValue(false);
653 // Read all the modes
654 m.nModes = mouse_node->getIntValue("mode-count", 1);
655 m.modes = new mouse_mode[m.nModes];
657 for (int j = 0; j < m.nModes; j++) {
660 // Read the mouse cursor for this mode
661 SGPropertyNode * mode_node = mouse_node->getChild("mode", j, true);
662 const char * cursor_name =
663 mode_node->getStringValue("cursor", "inherit");
664 m.modes[j].cursor = GLUT_CURSOR_INHERIT;
665 for (k = 0; mouse_cursor_map[k].name != 0; k++) {
666 if (!strcmp(mouse_cursor_map[k].name, cursor_name)) {
667 m.modes[j].cursor = mouse_cursor_map[k].cursor;
672 // Read other properties for this mode
673 m.modes[j].constrained = mode_node->getBoolValue("constrained", false);
674 m.modes[j].pass_through = mode_node->getBoolValue("pass-through", false);
676 // Read the button bindings for this mode
677 m.modes[j].buttons = new button[MAX_MOUSE_BUTTONS];
679 for (k = 0; k < MAX_MOUSE_BUTTONS; k++) {
680 sprintf(buf, "mouse button %d", k);
681 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse button " << k);
682 _init_button(mode_node->getChild("button", k),
683 m.modes[j].buttons[k],
687 // Read the axis bindings for this mode
688 _read_bindings(mode_node->getChild("x-axis", 0, true),
689 m.modes[j].x_bindings,
691 _read_bindings(mode_node->getChild("y-axis", 0, true),
692 m.modes[j].y_bindings,
700 FGInput::_init_button (const SGPropertyNode * node,
705 SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for button " << name);
707 b.is_repeatable = node->getBoolValue("repeatable", b.is_repeatable);
709 // Get the bindings for the button
710 _read_bindings(node, b.bindings, FG_MOD_NONE);
716 FGInput::_update_keyboard ()
723 FGInput::_update_joystick ()
725 int modifiers = FG_MOD_NONE; // FIXME: any way to get the real ones?
727 // float js_val, diff;
728 float axis_values[MAX_JOYSTICK_AXES];
733 for ( i = 0; i < MAX_JOYSTICKS; i++) {
735 jsJoystick * js = _joystick_bindings[i].js;
736 if (js == 0 || js->notWorking())
739 js->read(&buttons, axis_values);
742 // Fire bindings for the axes.
743 for ( j = 0; j < _joystick_bindings[i].naxes; j++) {
744 axis &a = _joystick_bindings[i].axes[j];
746 // Do nothing if the axis position
747 // is unchanged; only a change in
748 // position fires the bindings.
749 if (fabs(axis_values[j] - a.last_value) > a.tolerance) {
750 // SG_LOG(SG_INPUT, SG_DEBUG, "Axis " << j << " has moved");
752 a.last_value = axis_values[j];
753 // SG_LOG(SG_INPUT, SG_DEBUG, "There are "
754 // << a.bindings[modifiers].size() << " bindings");
755 for (unsigned int k = 0; k < a.bindings[modifiers].size(); k++)
756 a.bindings[modifiers][k]->fire(axis_values[j]);
759 // do we have to emulate axis buttons?
760 if (a.low.bindings[modifiers].size())
761 _update_button(_joystick_bindings[i].axes[j].low,
763 axis_values[j] < a.low_threshold,
766 if (a.high.bindings[modifiers].size())
767 _update_button(_joystick_bindings[i].axes[j].high,
769 axis_values[j] > a.high_threshold,
773 // Fire bindings for the buttons.
774 for (j = 0; j < _joystick_bindings[i].nbuttons; j++) {
775 _update_button(_joystick_bindings[i].buttons[j],
777 (buttons & (1 << j)) > 0,
784 FGInput::_update_mouse ()
786 mouse &m = _mouse_bindings[0];
787 int mode = m.mode_node->getIntValue();
788 if (mode != m.current_mode) {
789 m.current_mode = mode;
790 if (mode >= 0 && mode < m.nModes) {
791 glutSetCursor(m.modes[mode].cursor);
792 m.x = fgGetInt("/sim/startup/xsize", 800) / 2;
793 m.y = fgGetInt("/sim/startup/ysize", 600) / 2;
794 glutWarpPointer(m.x, m.y);
796 SG_LOG(SG_INPUT, SG_DEBUG, "Mouse mode " << mode << " out of range");
797 glutSetCursor(GLUT_CURSOR_INHERIT);
803 FGInput::_update_button (button &b, int modifiers, bool pressed,
807 // The press event may be repeated.
808 if (!b.last_state || b.is_repeatable) {
809 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been pressed" );
810 for (unsigned int k = 0; k < b.bindings[modifiers].size(); k++)
811 b.bindings[modifiers][k]->fire(x, y);
814 // The release event is never repeated.
816 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been released" );
817 for (unsigned int k = 0; k < b.bindings[modifiers|FG_MOD_UP].size(); k++)
818 b.bindings[modifiers|FG_MOD_UP][k]->fire(x, y);
822 b.last_state = pressed;
827 FGInput::_read_bindings (const SGPropertyNode * node,
828 binding_list_t * binding_list,
831 SG_LOG(SG_INPUT, SG_DEBUG, "Reading all bindings");
832 vector<SGPropertyNode_ptr> bindings = node->getChildren("binding");
833 for (unsigned int i = 0; i < bindings.size(); i++) {
834 SG_LOG(SG_INPUT, SG_DEBUG, "Reading binding "
835 << bindings[i]->getStringValue("command"));
836 binding_list[modifiers].push_back(new FGBinding(bindings[i]));
839 // Read nested bindings for modifiers
840 if (node->getChild("mod-up") != 0)
841 _read_bindings(node->getChild("mod-up"), binding_list,
842 modifiers|FG_MOD_UP);
844 if (node->getChild("mod-shift") != 0)
845 _read_bindings(node->getChild("mod-shift"), binding_list,
846 modifiers|FG_MOD_SHIFT);
848 if (node->getChild("mod-ctrl") != 0)
849 _read_bindings(node->getChild("mod-ctrl"), binding_list,
850 modifiers|FG_MOD_CTRL);
852 if (node->getChild("mod-alt") != 0)
853 _read_bindings(node->getChild("mod-alt"), binding_list,
854 modifiers|FG_MOD_ALT);
858 const vector<FGBinding *> &
859 FGInput::_find_key_bindings (unsigned int k, int modifiers)
861 button &b = _key_bindings[k];
863 // Try it straight, first.
864 if (b.bindings[modifiers].size() > 0)
865 return b.bindings[modifiers];
867 // Try removing the control modifier
869 else if ((modifiers&FG_MOD_CTRL) && iscntrl(k))
870 return _find_key_bindings(k, modifiers&~FG_MOD_CTRL);
872 // Try removing shift modifier
873 // for upper case or any punctuation
874 // (since different keyboards will
875 // shift different punctuation types)
876 else if ((modifiers&FG_MOD_SHIFT) && (isupper(k) || ispunct(k)))
877 return _find_key_bindings(k, modifiers&~FG_MOD_SHIFT);
879 // Try removing alt modifier for
880 // high-bit characters.
881 else if ((modifiers&FG_MOD_ALT) && k >= 128 && k < 256)
882 return _find_key_bindings(k, modifiers&~FG_MOD_ALT);
884 // Give up and return the empty vector.
886 return b.bindings[modifiers];
891 ////////////////////////////////////////////////////////////////////////
892 // Implementation of FGInput::button.
893 ////////////////////////////////////////////////////////////////////////
895 FGInput::button::button ()
896 : is_repeatable(false),
901 FGInput::button::~button ()
903 // FIXME: memory leak
904 // for (int i = 0; i < FG_MOD_MAX; i++)
905 // for (int j = 0; i < bindings[i].size(); j++)
906 // delete bindings[i][j];
911 ////////////////////////////////////////////////////////////////////////
912 // Implementation of FGInput::axis.
913 ////////////////////////////////////////////////////////////////////////
915 FGInput::axis::axis ()
916 : last_value(9999999),
923 FGInput::axis::~axis ()
925 // for (int i = 0; i < FG_MOD_MAX; i++)
926 // for (int j = 0; i < bindings[i].size(); j++)
927 // delete bindings[i][j];
932 ////////////////////////////////////////////////////////////////////////
933 // Implementation of FGInput::joystick.
934 ////////////////////////////////////////////////////////////////////////
936 FGInput::joystick::joystick ()
940 FGInput::joystick::~joystick ()
949 ////////////////////////////////////////////////////////////////////////
950 // Implementation of FGInput::mouse_mode
951 ////////////////////////////////////////////////////////////////////////
953 FGInput::mouse_mode::mouse_mode ()
954 : cursor(GLUT_CURSOR_INHERIT),
961 FGInput::mouse_mode::~mouse_mode ()
963 // FIXME: memory leak
964 // for (int i = 0; i < FG_MOD_MAX; i++) {
966 // for (j = 0; i < x_bindings[i].size(); j++)
967 // delete bindings[i][j];
968 // for (j = 0; j < y_bindings[i].size(); j++)
969 // delete bindings[i][j];
976 ////////////////////////////////////////////////////////////////////////
977 // Implementation of FGInput::mouse
978 ////////////////////////////////////////////////////////////////////////
980 FGInput::mouse::mouse ()
989 FGInput::mouse::~mouse ()
996 ////////////////////////////////////////////////////////////////////////
997 // Implementation of GLUT callbacks.
998 ////////////////////////////////////////////////////////////////////////
1002 * Construct the modifiers.
1004 static inline int get_mods ()
1006 int glut_modifiers = glutGetModifiers();
1009 if (glut_modifiers & GLUT_ACTIVE_SHIFT)
1010 modifiers |= FGInput::FG_MOD_SHIFT;
1011 if (glut_modifiers & GLUT_ACTIVE_CTRL)
1012 modifiers |= FGInput::FG_MOD_CTRL;
1013 if (glut_modifiers & GLUT_ACTIVE_ALT)
1014 modifiers |= FGInput::FG_MOD_ALT;
1021 ////////////////////////////////////////////////////////////////////////
1022 // GLUT C callbacks.
1023 ////////////////////////////////////////////////////////////////////////
1026 GLUTkey(unsigned char k, int x, int y)
1028 // Give PUI a chance to grab it first.
1029 if (!puKeyboard(k, PU_DOWN)) {
1030 if (default_input != 0)
1031 default_input->doKey(k, get_mods(), x, y);
1036 GLUTkeyup(unsigned char k, int x, int y)
1038 if (default_input != 0)
1039 default_input->doKey(k, get_mods()|FGInput::FG_MOD_UP, x, y);
1043 GLUTspecialkey(int k, int x, int y)
1045 // Give PUI a chance to grab it first.
1046 if (!puKeyboard(k + PU_KEY_GLUT_SPECIAL_OFFSET, PU_DOWN)) {
1047 if (default_input != 0)
1048 default_input->doKey(k + 256, get_mods(), x, y);
1053 GLUTspecialkeyup(int k, int x, int y)
1055 if (default_input != 0)
1056 default_input->doKey(k + 256, get_mods()|FGInput::FG_MOD_UP, x, y);
1060 GLUTmouse (int button, int updown, int x, int y)
1062 if (default_input != 0)
1063 default_input->doMouseClick(button, updown, x, y);
1067 GLUTmotion (int x, int y)
1069 if (default_input != 0)
1070 default_input->doMouseMotion(x, y);