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");
380 SGPropertyNode * key_nodes = fgGetNode("/input/keyboard");
381 if (key_nodes == 0) {
382 SG_LOG(SG_INPUT, SG_WARN, "No key bindings (/input/keyboard)!!");
383 key_nodes = fgGetNode("/input/keyboard", true);
386 vector<SGPropertyNode_ptr> keys = key_nodes->getChildren("key");
387 for (unsigned int i = 0; i < keys.size(); i++) {
388 int index = keys[i]->getIndex();
389 SG_LOG(SG_INPUT, SG_DEBUG, "Binding key " << index);
391 _key_bindings[index].bindings->clear();
392 _key_bindings[index].is_repeatable = keys[i]->getBoolValue("repeatable");
393 _read_bindings(keys[i], _key_bindings[index].bindings, KEYMOD_NONE);
399 FGInput::_scan_joystick_dir(SGPath *path, SGPropertyNode* node, int *index)
401 ulDir *dir = ulOpenDir(path->c_str());
404 while ((dent = ulReadDir(dir)) != 0) {
405 if (dent->d_name[0] == '.')
408 SGPath p(path->str());
409 p.append(dent->d_name);
410 _scan_joystick_dir(&p, node, index);
414 } else if (path->extension() == "xml") {
415 SG_LOG(SG_INPUT, SG_DEBUG, "Reading joystick file " << path->str());
416 SGPropertyNode *n = node->getChild("js-named", (*index)++, true);
417 readProperties(path->str(), n);
418 n->setStringValue("source", path->c_str());
424 FGInput::_init_joystick ()
427 // TODO: zero the old bindings first.
428 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick bindings");
429 SGPropertyNode * js_nodes = fgGetNode("/input/joysticks", true);
430 _which_joystick = js_nodes->getNode("which", 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;
450 for (int i = 0; i < MAX_JOYSTICKS; i++) {
451 jsJoystick * js = new jsJoystick(i);
452 _joystick_bindings[i].js = js;
453 if (js->notWorking()) {
454 SG_LOG(SG_INPUT, SG_DEBUG, "Joystick " << i << " not found");
458 const char * name = js->getName();
459 SGPropertyNode_ptr js_node = js_nodes->getChild("js", i);
462 SG_LOG(SG_INPUT, SG_INFO, "Using existing bindings for joystick " << i);
465 SG_LOG(SG_INPUT, SG_INFO, "Looking for bindings for joystick \"" << name << '"');
466 SGPropertyNode_ptr named;
468 if ((named = jsmap[name])) {
469 string source = named->getStringValue("source", "user defined");
470 SG_LOG(SG_INPUT, SG_INFO, "... found joystick: " << source);
472 } else if ((named = jsmap["default"])) {
473 string source = named->getStringValue("source", "user defined");
474 SG_LOG(SG_INPUT, SG_INFO, "No config found for joystick \"" << name
475 << "\"\nUsing default: \"" << source << '"');
478 throw sg_throwable(string("No joystick configuration file with "
479 "<name>default</name> entry found!"));
482 js_node = js_nodes->getChild("js", i, true);
483 copyProperties(named, js_node);
484 js_node->setStringValue("id", name);
490 joyGetDevCaps( i, &jsCaps, sizeof(jsCaps) );
491 int nbuttons = jsCaps.wNumButtons;
492 if (nbuttons > MAX_JOYSTICK_BUTTONS) nbuttons = MAX_JOYSTICK_BUTTONS;
494 int nbuttons = MAX_JOYSTICK_BUTTONS;
497 int naxes = js->getNumAxes();
498 if (naxes > MAX_JOYSTICK_AXES) naxes = MAX_JOYSTICK_AXES;
499 _joystick_bindings[i].naxes = naxes;
500 _joystick_bindings[i].nbuttons = nbuttons;
502 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick " << i);
504 // Set up range arrays
505 float minRange[MAX_JOYSTICK_AXES];
506 float maxRange[MAX_JOYSTICK_AXES];
507 float center[MAX_JOYSTICK_AXES];
509 // Initialize with default values
510 js->getMinRange(minRange);
511 js->getMaxRange(maxRange);
512 js->getCenter(center);
514 // Allocate axes and buttons
515 _joystick_bindings[i].axes = new axis[naxes];
516 _joystick_bindings[i].buttons = new button[nbuttons];
520 // Initialize the axes.
522 vector<SGPropertyNode_ptr> axes = js_node->getChildren("axis");
523 size_t nb_axes = axes.size();
525 for (j = 0; j < (int)nb_axes; j++) {
526 const SGPropertyNode * axis_node = axes[j];
527 const SGPropertyNode * num_node = axis_node->getChild("number");
528 int n_axis = axis_node->getIndex();
530 n_axis = num_node->getIntValue(TGT_PLATFORM, -1);
532 // Silently ignore platforms that are not specified within the
533 // <number></number> section
538 if (n_axis >= naxes) {
539 SG_LOG(SG_INPUT, SG_DEBUG, "Dropping bindings for axis " << n_axis);
542 axis &a = _joystick_bindings[i].axes[n_axis];
544 js->setDeadBand(n_axis, axis_node->getDoubleValue("dead-band", 0.0));
546 a.tolerance = axis_node->getDoubleValue("tolerance", 0.002);
547 minRange[n_axis] = axis_node->getDoubleValue("min-range", minRange[n_axis]);
548 maxRange[n_axis] = axis_node->getDoubleValue("max-range", maxRange[n_axis]);
549 center[n_axis] = axis_node->getDoubleValue("center", center[n_axis]);
551 _read_bindings(axis_node, a.bindings, KEYMOD_NONE);
553 // Initialize the virtual axis buttons.
554 _init_button(axis_node->getChild("low"), a.low, "low");
555 a.low_threshold = axis_node->getDoubleValue("low-threshold", -0.9);
557 _init_button(axis_node->getChild("high"), a.high, "high");
558 a.high_threshold = axis_node->getDoubleValue("high-threshold", 0.9);
559 a.interval_sec = axis_node->getDoubleValue("interval-sec",0.0);
564 // Initialize the buttons.
566 vector<SGPropertyNode_ptr> buttons = js_node->getChildren("button");
568 for (j = 0; (j < (int)buttons.size()) && (j < nbuttons); j++) {
569 const SGPropertyNode * button_node = buttons[j];
570 const SGPropertyNode * num_node = button_node->getChild("number");
571 size_t n_but = button_node->getIndex();
573 n_but = num_node->getIntValue(TGT_PLATFORM,n_but);
576 if (n_but >= (size_t)nbuttons) {
577 SG_LOG(SG_INPUT, SG_DEBUG, "Dropping bindings for button " << n_but);
581 sprintf(buf, "%d", n_but);
582 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing button " << n_but);
583 _init_button(button_node,
584 _joystick_bindings[i].buttons[n_but],
587 // get interval-sec property
588 button &b = _joystick_bindings[i].buttons[n_but];
589 if (button_node != 0) {
590 b.interval_sec = button_node->getDoubleValue("interval-sec",0.0);
595 js->setMinRange(minRange);
596 js->setMaxRange(maxRange);
597 js->setCenter(center);
600 for (unsigned int m = 0; m < js_named.size(); m++)
601 js_nodes->removeChild("js-named", js_named[m]->getIndex(), false);
606 FGInput::_postinit_joystick()
608 SGPropertyNode *js_nodes = fgGetNode("/input/joysticks");
609 vector<SGPropertyNode_ptr> js = js_nodes->getChildren("js");
610 for (unsigned int i = 0; i < js.size(); i++) {
611 _which_joystick->setIntValue(i);
613 vector<SGPropertyNode_ptr> nasal = js[i]->getChildren("nasal");
614 for (unsigned int j = 0; j < nasal.size(); j++)
615 ((FGNasalSys*)globals->get_subsystem("nasal"))->handleCommand(nasal[j]);
621 // Map of all known cursor names
622 // This used to contain all the Glut cursors, but those are
623 // not defined by other toolkits. It now supports only the cursor
624 // images we actually use, in the interest of portability. Someday,
625 // it would be cool to write an OpenGL cursor renderer, with the
626 // cursors defined as textures referenced in the property tree. This
627 // list could then be eliminated. -Andy
632 } mouse_cursor_map[] = {
633 { "none", MOUSE_CURSOR_NONE },
634 { "inherit", MOUSE_CURSOR_POINTER },
635 { "wait", MOUSE_CURSOR_WAIT },
636 { "crosshair", MOUSE_CURSOR_CROSSHAIR },
637 { "left-right", MOUSE_CURSOR_LEFTRIGHT },
642 FGInput::_init_mouse ()
644 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse bindings");
646 SGPropertyNode * mouse_nodes = fgGetNode("/input/mice");
647 if (mouse_nodes == 0) {
648 SG_LOG(SG_INPUT, SG_WARN, "No mouse bindings (/input/mice)!!");
649 mouse_nodes = fgGetNode("/input/mice", true);
653 for (int i = 0; i < MAX_MICE; i++) {
654 SGPropertyNode * mouse_node = mouse_nodes->getChild("mouse", i, true);
655 mouse &m = _mouse_bindings[i];
657 // Grab node pointers
659 sprintf(buf, "/devices/status/mice/mouse[%d]/mode", i);
660 m.mode_node = fgGetNode(buf);
661 if (m.mode_node == NULL) {
662 m.mode_node = fgGetNode(buf, true);
663 m.mode_node->setIntValue(0);
665 for (j = 0; j < MAX_MOUSE_BUTTONS; j++) {
666 sprintf(buf, "/devices/status/mice/mouse[%d]/button[%d]", i, j);
667 m.mouse_button_nodes[j] = fgGetNode(buf, true);
668 m.mouse_button_nodes[j]->setBoolValue(false);
671 // Read all the modes
672 m.nModes = mouse_node->getIntValue("mode-count", 1);
673 m.modes = new mouse_mode[m.nModes];
675 for (int j = 0; j < m.nModes; j++) {
678 // Read the mouse cursor for this mode
679 SGPropertyNode * mode_node = mouse_node->getChild("mode", j, true);
680 const char * cursor_name =
681 mode_node->getStringValue("cursor", "inherit");
682 m.modes[j].cursor = MOUSE_CURSOR_POINTER;
683 for (k = 0; mouse_cursor_map[k].name != 0; k++) {
684 if (!strcmp(mouse_cursor_map[k].name, cursor_name)) {
685 m.modes[j].cursor = mouse_cursor_map[k].cursor;
690 // Read other properties for this mode
691 m.modes[j].constrained = mode_node->getBoolValue("constrained", false);
692 m.modes[j].pass_through = mode_node->getBoolValue("pass-through", false);
694 // Read the button bindings for this mode
695 m.modes[j].buttons = new button[MAX_MOUSE_BUTTONS];
697 for (k = 0; k < MAX_MOUSE_BUTTONS; k++) {
698 sprintf(buf, "mouse button %d", k);
699 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse button " << k);
700 _init_button(mode_node->getChild("button", k),
701 m.modes[j].buttons[k],
705 // Read the axis bindings for this mode
706 _read_bindings(mode_node->getChild("x-axis", 0, true),
707 m.modes[j].x_bindings,
709 _read_bindings(mode_node->getChild("y-axis", 0, true),
710 m.modes[j].y_bindings,
718 FGInput::_init_button (const SGPropertyNode * node,
723 SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for button " << name);
725 b.is_repeatable = node->getBoolValue("repeatable", b.is_repeatable);
727 // Get the bindings for the button
728 _read_bindings(node, b.bindings, KEYMOD_NONE);
734 FGInput::_update_keyboard ()
741 FGInput::_update_joystick (double dt)
743 int modifiers = KEYMOD_NONE; // FIXME: any way to get the real ones?
745 // float js_val, diff;
746 float axis_values[MAX_JOYSTICK_AXES];
751 for ( i = 0; i < MAX_JOYSTICKS; i++) {
753 jsJoystick * js = _joystick_bindings[i].js;
754 if (js == 0 || js->notWorking())
757 _which_joystick->setIntValue(i);
758 js->read(&buttons, axis_values);
760 // Fire bindings for the axes.
761 for ( j = 0; j < _joystick_bindings[i].naxes; j++) {
762 axis &a = _joystick_bindings[i].axes[j];
764 // Do nothing if the axis position
765 // is unchanged; only a change in
766 // position fires the bindings.
767 if (fabs(axis_values[j] - a.last_value) > a.tolerance) {
768 // SG_LOG(SG_INPUT, SG_DEBUG, "Axis " << j << " has moved");
769 a.last_value = axis_values[j];
770 // SG_LOG(SG_INPUT, SG_DEBUG, "There are "
771 // << a.bindings[modifiers].size() << " bindings");
772 for (unsigned int k = 0; k < a.bindings[modifiers].size(); k++)
773 a.bindings[modifiers][k]->fire(axis_values[j]);
776 // do we have to emulate axis buttons?
778 if(a.last_dt >= a.interval_sec) {
779 if (a.low.bindings[modifiers].size())
780 _update_button(_joystick_bindings[i].axes[j].low,
782 axis_values[j] < a.low_threshold,
785 if (a.high.bindings[modifiers].size())
786 _update_button(_joystick_bindings[i].axes[j].high,
788 axis_values[j] > a.high_threshold,
790 a.last_dt -= a.interval_sec;
794 // Fire bindings for the buttons.
795 for (j = 0; j < _joystick_bindings[i].nbuttons; j++) {
796 button &b = _joystick_bindings[i].buttons[j];
798 if(b.last_dt >= b.interval_sec) {
799 _update_button(_joystick_bindings[i].buttons[j],
801 (buttons & (1 << j)) > 0,
803 b.last_dt -= b.interval_sec;
810 FGInput::_update_mouse ( double dt )
812 mouse &m = _mouse_bindings[0];
813 int mode = m.mode_node->getIntValue();
814 if (mode != m.current_mode) {
815 m.current_mode = mode;
816 m.timeout = fgGetDouble( "/sim/mouse/cursor-timeout-sec", 10.0 );
817 if (mode >= 0 && mode < m.nModes) {
818 fgSetMouseCursor(m.modes[mode].cursor);
819 m.x = fgGetInt("/sim/startup/xsize", 800) / 2;
820 m.y = fgGetInt("/sim/startup/ysize", 600) / 2;
821 fgWarpMouse(m.x, m.y);
823 SG_LOG(SG_INPUT, SG_DEBUG, "Mouse mode " << mode << " out of range");
824 fgSetMouseCursor(MOUSE_CURSOR_POINTER);
828 if ( fgGetBool( "/sim/mouse/hide-cursor", true ) ) {
829 if ( m.x != m.save_x || m.y != m.save_y ) {
830 m.timeout = fgGetDouble( "/sim/mouse/cursor-timeout-sec", 10.0 );
831 fgSetMouseCursor(m.modes[mode].cursor);
834 if ( m.timeout <= 0.0 ) {
835 fgSetMouseCursor(MOUSE_CURSOR_NONE);
845 FGInput::_update_button (button &b, int modifiers, bool pressed,
849 // The press event may be repeated.
850 if (!b.last_state || b.is_repeatable) {
851 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been pressed" );
852 for (unsigned int k = 0; k < b.bindings[modifiers].size(); k++)
853 b.bindings[modifiers][k]->fire(x, y);
856 // The release event is never repeated.
858 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been released" );
859 for (unsigned int k = 0; k < b.bindings[modifiers|KEYMOD_RELEASED].size(); k++)
860 b.bindings[modifiers|KEYMOD_RELEASED][k]->fire(x, y);
864 b.last_state = pressed;
869 FGInput::_read_bindings (const SGPropertyNode * node,
870 binding_list_t * binding_list,
873 SG_LOG(SG_INPUT, SG_DEBUG, "Reading all bindings");
874 vector<SGPropertyNode_ptr> bindings = node->getChildren("binding");
875 for (unsigned int i = 0; i < bindings.size(); i++) {
876 SG_LOG(SG_INPUT, SG_DEBUG, "Reading binding "
877 << bindings[i]->getStringValue("command"));
878 binding_list[modifiers].push_back(new FGBinding(bindings[i]));
881 // Read nested bindings for modifiers
882 if (node->getChild("mod-up") != 0)
883 _read_bindings(node->getChild("mod-up"), binding_list,
884 modifiers|KEYMOD_RELEASED);
886 if (node->getChild("mod-shift") != 0)
887 _read_bindings(node->getChild("mod-shift"), binding_list,
888 modifiers|KEYMOD_SHIFT);
890 if (node->getChild("mod-ctrl") != 0)
891 _read_bindings(node->getChild("mod-ctrl"), binding_list,
892 modifiers|KEYMOD_CTRL);
894 if (node->getChild("mod-alt") != 0)
895 _read_bindings(node->getChild("mod-alt"), binding_list,
896 modifiers|KEYMOD_ALT);
900 const vector<FGBinding *> &
901 FGInput::_find_key_bindings (unsigned int k, int modifiers)
903 unsigned char kc = (unsigned char)k;
904 button &b = _key_bindings[k];
906 // Try it straight, first.
907 if (b.bindings[modifiers].size() > 0)
908 return b.bindings[modifiers];
910 // Alt-Gr is CTRL+ALT
911 else if (modifiers&(KEYMOD_CTRL|KEYMOD_ALT))
912 return _find_key_bindings(k, modifiers&~(KEYMOD_CTRL|KEYMOD_ALT));
914 // Try removing the control modifier
916 else if ((modifiers&KEYMOD_CTRL) && iscntrl(kc))
917 return _find_key_bindings(k, modifiers&~KEYMOD_CTRL);
919 // Try removing shift modifier
920 // for upper case or any punctuation
921 // (since different keyboards will
922 // shift different punctuation types)
923 else if ((modifiers&KEYMOD_SHIFT) && (isupper(kc) || ispunct(kc)))
924 return _find_key_bindings(k, modifiers&~KEYMOD_SHIFT);
926 // Try removing alt modifier for
927 // high-bit characters.
928 else if ((modifiers&KEYMOD_ALT) && k >= 128 && k < 256)
929 return _find_key_bindings(k, modifiers&~KEYMOD_ALT);
931 // Give up and return the empty vector.
933 return b.bindings[modifiers];
938 ////////////////////////////////////////////////////////////////////////
939 // Implementation of FGInput::button.
940 ////////////////////////////////////////////////////////////////////////
942 FGInput::button::button ()
943 : is_repeatable(false),
948 FGInput::button::~button ()
950 // FIXME: memory leak
951 // for (int i = 0; i < KEYMOD_MAX; i++)
952 // for (int j = 0; i < bindings[i].size(); j++)
953 // delete bindings[i][j];
958 ////////////////////////////////////////////////////////////////////////
959 // Implementation of FGInput::axis.
960 ////////////////////////////////////////////////////////////////////////
962 FGInput::axis::axis ()
963 : last_value(9999999),
970 FGInput::axis::~axis ()
972 // for (int i = 0; i < KEYMOD_MAX; i++)
973 // for (int j = 0; i < bindings[i].size(); j++)
974 // delete bindings[i][j];
979 ////////////////////////////////////////////////////////////////////////
980 // Implementation of FGInput::joystick.
981 ////////////////////////////////////////////////////////////////////////
983 FGInput::joystick::joystick ()
987 FGInput::joystick::~joystick ()
996 ////////////////////////////////////////////////////////////////////////
997 // Implementation of FGInput::mouse_mode
998 ////////////////////////////////////////////////////////////////////////
1000 FGInput::mouse_mode::mouse_mode ()
1001 : cursor(MOUSE_CURSOR_POINTER),
1003 pass_through(false),
1008 FGInput::mouse_mode::~mouse_mode ()
1010 // FIXME: memory leak
1011 // for (int i = 0; i < KEYMOD_MAX; i++) {
1013 // for (j = 0; i < x_bindings[i].size(); j++)
1014 // delete bindings[i][j];
1015 // for (j = 0; j < y_bindings[i].size(); j++)
1016 // delete bindings[i][j];
1023 ////////////////////////////////////////////////////////////////////////
1024 // Implementation of FGInput::mouse
1025 ////////////////////////////////////////////////////////////////////////
1027 FGInput::mouse::mouse ()
1036 FGInput::mouse::~mouse ()
1041 ////////////////////////////////////////////////////////////////////////
1042 // Implementation of OS callbacks.
1043 ////////////////////////////////////////////////////////////////////////
1045 void keyHandler(int key, int keymod, int mousex, int mousey)
1047 if((keymod & KEYMOD_RELEASED) == 0)
1048 if(puKeyboard(key, PU_DOWN))
1052 default_input->doKey(key, keymod, mousex, mousey);
1055 void mouseClickHandler(int button, int updown, int x, int y)
1058 default_input->doMouseClick(button, updown, x, y);
1061 void mouseMotionHandler(int x, int y)
1063 if (default_input != 0)
1064 default_input->doMouseMotion(x, y);