1 // input.cxx -- handle user input from various sources.
3 // Written by David Megginson, started May 2001.
5 // Copyright (C) 2001 David Megginson, david@megginson.com
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
31 #include <simgear/compiler.h>
40 #include <simgear/compiler.h>
42 #include <simgear/constants.h>
43 #include <simgear/debug/logstream.hxx>
44 #include <simgear/math/SGMath.hxx>
45 #include <simgear/props/props.hxx>
46 #include <simgear/scene/util/SGSceneUserData.hxx>
48 #include <Aircraft/aircraft.hxx>
49 #include <Autopilot/xmlauto.hxx>
50 #include <Cockpit/hud.hxx>
51 #include <Cockpit/panel.hxx>
52 #include <Cockpit/panel_io.hxx>
54 #include <Model/panelnode.hxx>
55 #include <Scripting/NasalSys.hxx>
57 #include <Main/globals.hxx>
58 #include <Main/fg_props.hxx>
62 #include <Scenery/scenery.hxx>
63 #include <Main/renderer.hxx>
65 SG_USING_STD(ifstream);
69 void mouseClickHandler(int button, int updown, int x, int y);
70 void mouseMotionHandler(int x, int y);
71 void keyHandler(int key, int keymod, int mousex, int mousey);
74 ////////////////////////////////////////////////////////////////////////
76 ////////////////////////////////////////////////////////////////////////
78 static FGInput * default_input = 0;
81 ////////////////////////////////////////////////////////////////////////
83 ////////////////////////////////////////////////////////////////////////
88 return bool(fgGetKeyModifiers() & KEYMOD_SHIFT);
94 return bool(fgGetKeyModifiers() & KEYMOD_CTRL);
100 return bool(fgGetKeyModifiers() & KEYMOD_ALT);
104 ////////////////////////////////////////////////////////////////////////
105 // Implementation of FGInput.
106 ////////////////////////////////////////////////////////////////////////
111 if (default_input == 0)
112 default_input = this;
117 if (default_input == this)
128 fgRegisterKeyHandler(keyHandler);
129 fgRegisterMouseClickHandler(mouseClickHandler);
130 fgRegisterMouseMotionHandler(mouseMotionHandler);
142 _postinit_joystick();
148 fgTie("/devices/status/keyboard/shift", getModShift);
149 fgTie("/devices/status/keyboard/ctrl", getModCtrl);
150 fgTie("/devices/status/keyboard/alt", getModAlt);
156 fgUntie("/devices/status/keyboard/shift");
157 fgUntie("/devices/status/keyboard/ctrl");
158 fgUntie("/devices/status/keyboard/alt");
162 FGInput::update (double dt)
165 _update_joystick(dt);
182 FGInput::is_suspended () const
188 FGInput::makeDefault (bool status)
191 default_input = this;
192 else if (default_input == this)
197 FGInput::doKey (int k, int modifiers, int x, int y)
200 if (k < 0 || k >= MAX_KEYS) {
201 SG_LOG(SG_INPUT, SG_WARN, "Key value " << k << " out of range");
205 button &b = _key_bindings[k];
208 if (!(modifiers & KEYMOD_RELEASED)) {
209 SG_LOG( SG_INPUT, SG_DEBUG, "User pressed key " << k
210 << " with modifiers " << modifiers );
211 if (!b.last_state || b.is_repeatable) {
212 const binding_list_t &bindings = _find_key_bindings(k, modifiers);
214 for (unsigned int i = 0; i < bindings.size(); i++)
221 SG_LOG(SG_INPUT, SG_DEBUG, "User released key " << k
222 << " with modifiers " << modifiers);
224 const binding_list_t &bindings = _find_key_bindings(k, modifiers);
225 for (unsigned int i = 0; i < bindings.size(); i++)
229 if (k >= 1 && k <= 26) {
230 if (_key_bindings[k + '@'].last_state)
231 doKey(k + '@', KEYMOD_RELEASED, x, y);
232 if (_key_bindings[k + '`'].last_state)
233 doKey(k + '`', KEYMOD_RELEASED, x, y);
234 } else if (k >= 'A' && k <= 'Z') {
235 if (_key_bindings[k - '@'].last_state)
236 doKey(k - '@', KEYMOD_RELEASED, x, y);
237 if (_key_bindings[tolower(k)].last_state)
238 doKey(tolower(k), KEYMOD_RELEASED, x, y);
239 } else if (k >= 'a' && k <= 'z') {
240 if (_key_bindings[k - '`'].last_state)
241 doKey(k - '`', KEYMOD_RELEASED, x, y);
242 if (_key_bindings[toupper(k)].last_state)
243 doKey(toupper(k), KEYMOD_RELEASED, x, y);
250 FGInput::doMouseClick (int b, int updown, int x, int y)
252 int modifiers = fgGetKeyModifiers();
254 mouse &m = _mouse_bindings[0];
255 mouse_mode &mode = m.modes[m.current_mode];
257 // Let the property manager know.
258 if (b >= 0 && b < MAX_MOUSE_BUTTONS)
259 m.mouse_button_nodes[b]->setBoolValue(updown == MOUSE_BUTTON_DOWN);
261 // Pass on to PUI and the panel if
262 // requested, and return if one of
263 // them consumes the event.
265 if (updown != MOUSE_BUTTON_DOWN) {
266 // Execute the mouse up event in any case, may be we should
267 // stop processing here?
268 while (!_activePickCallbacks[b].empty()) {
269 _activePickCallbacks[b].front()->buttonReleased();
270 _activePickCallbacks[b].pop_front();
274 if (mode.pass_through) {
275 if (puMouse(b, updown, x, y))
277 else if ((globals->get_current_panel() != 0) &&
278 globals->get_current_panel()->getVisibility() &&
279 globals->get_current_panel()->doMouseAction(b, updown, x, y))
281 else if (fgHandle3DPanelMouseEvent(b, updown, x, y))
284 // pui didn't want the click event so compute a
285 // scenegraph intersection point corresponding to the mouse click
286 if (updown == MOUSE_BUTTON_DOWN) {
288 // Get the list of hit callbacks. Take the first callback that
289 // accepts the mouse button press and ignore the rest of them
290 // That is they get sorted by distance and by scenegraph depth.
291 // The nearest one is the first one and the deepest
292 // (the most specialized one in the scenegraph) is the first.
293 std::vector<SGSceneryPick> pickList;
294 if (FGRenderer::pick(x, y, pickList)) {
295 std::vector<SGSceneryPick>::const_iterator i;
296 for (i = pickList.begin(); i != pickList.end(); ++i) {
297 if (i->callback->buttonPressed(b, i->info)) {
298 _activePickCallbacks[b].push_back(i->callback);
307 // OK, PUI and the panel didn't want the click
308 if (b >= MAX_MOUSE_BUTTONS) {
309 SG_LOG(SG_INPUT, SG_ALERT, "Mouse button " << b
310 << " where only " << MAX_MOUSE_BUTTONS << " expected");
314 _update_button(m.modes[m.current_mode].buttons[b], modifiers, 0 != updown, x, y);
318 FGInput::doMouseMotion (int x, int y)
320 // Don't call fgGetKeyModifiers() here, until we are using a
321 // toolkit that supports getting the mods from outside a key
322 // callback. Glut doesn't.
323 int modifiers = KEYMOD_NONE;
325 int xsize = fgGetInt("/sim/startup/xsize", 800);
326 int ysize = fgGetInt("/sim/startup/ysize", 600);
328 mouse &m = _mouse_bindings[0];
330 if (m.current_mode < 0 || m.current_mode >= m.nModes) {
335 mouse_mode &mode = m.modes[m.current_mode];
337 // Pass on to PUI if requested, and return
338 // if PUI consumed the event.
339 if (mode.pass_through && puMouse(x, y)) {
345 // OK, PUI didn't want the event,
346 // so we can play with it.
349 for (unsigned int i = 0; i < mode.x_bindings[modifiers].size(); i++)
350 mode.x_bindings[modifiers][i]->fire(double(delta), double(xsize));
354 for (unsigned int i = 0; i < mode.y_bindings[modifiers].size(); i++)
355 mode.y_bindings[modifiers][i]->fire(double(delta), double(ysize));
358 // Constrain the mouse if requested
359 if (mode.constrained) {
360 bool need_warp = false;
361 if (x <= (xsize * .25) || x >= (xsize * .75)) {
366 if (y <= (ysize * .25) || y >= (ysize * .75)) {
376 fgSetInt("/devices/status/mice/mouse/x", m.x = x);
379 fgSetInt("/devices/status/mice/mouse/y", m.y = y);
383 FGInput::_init_keyboard ()
385 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing key bindings");
387 SGPropertyNode * key_nodes = fgGetNode("/input/keyboard");
388 if (key_nodes == 0) {
389 SG_LOG(SG_INPUT, SG_WARN, "No key bindings (/input/keyboard)!!");
390 key_nodes = fgGetNode("/input/keyboard", true);
393 vector<SGPropertyNode_ptr> keys = key_nodes->getChildren("key");
394 for (unsigned int i = 0; i < keys.size(); i++) {
395 int index = keys[i]->getIndex();
396 SG_LOG(SG_INPUT, SG_DEBUG, "Binding key " << index);
398 _key_bindings[index].bindings->clear();
399 _key_bindings[index].is_repeatable = keys[i]->getBoolValue("repeatable");
400 _key_bindings[index].last_state = 0;
401 _read_bindings(keys[i], _key_bindings[index].bindings, KEYMOD_NONE);
407 FGInput::_scan_joystick_dir(SGPath *path, SGPropertyNode* node, int *index)
409 ulDir *dir = ulOpenDir(path->c_str());
412 while ((dent = ulReadDir(dir)) != 0) {
413 if (dent->d_name[0] == '.')
416 SGPath p(path->str());
417 p.append(dent->d_name);
418 _scan_joystick_dir(&p, node, index);
422 } else if (path->extension() == "xml") {
423 SG_LOG(SG_INPUT, SG_DEBUG, "Reading joystick file " << path->str());
424 SGPropertyNode *n = node->getChild("js-named", (*index)++, true);
425 readProperties(path->str(), n);
426 n->setStringValue("source", path->c_str());
432 FGInput::_init_joystick ()
435 // TODO: zero the old bindings first.
436 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick bindings");
437 SGPropertyNode * js_nodes = fgGetNode("/input/joysticks", true);
439 // read all joystick xml files into /input/joysticks/js_named[1000++]
440 SGPath path(globals->get_fg_root());
441 path.append("Input/Joysticks");
442 int js_named_index = 1000;
443 _scan_joystick_dir(&path, js_nodes, &js_named_index);
445 // build name->node map with each <name> (reverse order)
446 map<string, SGPropertyNode_ptr> jsmap;
447 vector<SGPropertyNode_ptr> js_named = js_nodes->getChildren("js-named");
449 for (int k = (int)js_named.size() - 1; k >= 0; k--) {
450 SGPropertyNode *n = js_named[k];
451 vector<SGPropertyNode_ptr> names = n->getChildren("name");
452 if (names.size() && (n->getChildren("axis").size() || n->getChildren("button").size()))
453 for (unsigned int j = 0; j < names.size(); j++)
454 jsmap[names[j]->getStringValue()] = n;
458 for (int i = 0; i < MAX_JOYSTICKS; i++) {
459 jsJoystick * js = new jsJoystick(i);
460 _joystick_bindings[i].js = js;
462 if (js->notWorking()) {
463 SG_LOG(SG_INPUT, SG_DEBUG, "Joystick " << i << " not found");
467 const char * name = js->getName();
468 SGPropertyNode_ptr js_node = js_nodes->getChild("js", i);
471 SG_LOG(SG_INPUT, SG_INFO, "Using existing bindings for joystick " << i);
474 SG_LOG(SG_INPUT, SG_INFO, "Looking for bindings for joystick \"" << name << '"');
475 SGPropertyNode_ptr named;
477 if ((named = jsmap[name])) {
478 string source = named->getStringValue("source", "user defined");
479 SG_LOG(SG_INPUT, SG_INFO, "... found joystick: " << source);
481 } else if ((named = jsmap["default"])) {
482 string source = named->getStringValue("source", "user defined");
483 SG_LOG(SG_INPUT, SG_INFO, "No config found for joystick \"" << name
484 << "\"\nUsing default: \"" << source << '"');
487 throw sg_throwable(string("No joystick configuration file with "
488 "<name>default</name> entry found!"));
491 js_node = js_nodes->getChild("js", i, true);
492 copyProperties(named, js_node);
493 js_node->setStringValue("id", name);
497 // get rid of unused config nodes
498 js_nodes->removeChildren("js-named", false);
503 FGInput::_postinit_joystick()
505 FGNasalSys *nasalsys = (FGNasalSys *)globals->get_subsystem("nasal");
506 SGPropertyNode *js_nodes = fgGetNode("/input/joysticks");
508 for (int i = 0; i < MAX_JOYSTICKS; i++) {
509 SGPropertyNode_ptr js_node = js_nodes->getChild("js", i);
510 jsJoystick *js = _joystick_bindings[i].js;
511 if (!js_node || js->notWorking())
516 joyGetDevCaps( i, &jsCaps, sizeof(jsCaps) );
517 unsigned int nbuttons = jsCaps.wNumButtons;
518 if (nbuttons > MAX_JOYSTICK_BUTTONS) nbuttons = MAX_JOYSTICK_BUTTONS;
520 unsigned int nbuttons = MAX_JOYSTICK_BUTTONS;
523 int naxes = js->getNumAxes();
524 if (naxes > MAX_JOYSTICK_AXES) naxes = MAX_JOYSTICK_AXES;
525 _joystick_bindings[i].naxes = naxes;
526 _joystick_bindings[i].nbuttons = nbuttons;
528 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing joystick " << i);
530 // Set up range arrays
531 float minRange[MAX_JOYSTICK_AXES];
532 float maxRange[MAX_JOYSTICK_AXES];
533 float center[MAX_JOYSTICK_AXES];
535 // Initialize with default values
536 js->getMinRange(minRange);
537 js->getMaxRange(maxRange);
538 js->getCenter(center);
540 // Allocate axes and buttons
541 _joystick_bindings[i].axes = new axis[naxes];
542 _joystick_bindings[i].buttons = new button[nbuttons];
545 // Initialize nasal groups.
548 init = "this=\"" + string(js_node->getPath()) + "\"";
549 sprintf(_module, "__js%d", i);
550 nasalsys->createModule(_module, _module, init.c_str(), init.size());
552 vector<SGPropertyNode_ptr> nasal = js_node->getChildren("nasal");
554 for (j = 0; j < nasal.size(); j++) {
555 nasal[j]->setStringValue("module", _module);
556 nasalsys->handleCommand(nasal[j]);
560 // Initialize the axes.
562 vector<SGPropertyNode_ptr> axes = js_node->getChildren("axis");
563 size_t nb_axes = axes.size();
564 for (j = 0; j < nb_axes; j++ ) {
565 const SGPropertyNode * axis_node = axes[j];
566 const SGPropertyNode * num_node = axis_node->getChild("number");
567 int n_axis = axis_node->getIndex();
569 n_axis = num_node->getIntValue(TGT_PLATFORM, -1);
571 // Silently ignore platforms that are not specified within the
572 // <number></number> section
577 if (n_axis >= naxes) {
578 SG_LOG(SG_INPUT, SG_DEBUG, "Dropping bindings for axis " << n_axis);
581 axis &a = _joystick_bindings[i].axes[n_axis];
583 js->setDeadBand(n_axis, axis_node->getDoubleValue("dead-band", 0.0));
585 a.tolerance = axis_node->getDoubleValue("tolerance", 0.002);
586 minRange[n_axis] = axis_node->getDoubleValue("min-range", minRange[n_axis]);
587 maxRange[n_axis] = axis_node->getDoubleValue("max-range", maxRange[n_axis]);
588 center[n_axis] = axis_node->getDoubleValue("center", center[n_axis]);
590 _read_bindings(axis_node, a.bindings, KEYMOD_NONE);
592 // Initialize the virtual axis buttons.
593 _init_button(axis_node->getChild("low"), a.low, "low");
594 a.low_threshold = axis_node->getDoubleValue("low-threshold", -0.9);
596 _init_button(axis_node->getChild("high"), a.high, "high");
597 a.high_threshold = axis_node->getDoubleValue("high-threshold", 0.9);
598 a.interval_sec = axis_node->getDoubleValue("interval-sec",0.0);
603 // Initialize the buttons.
605 vector<SGPropertyNode_ptr> buttons = js_node->getChildren("button");
607 for (j = 0; j < buttons.size() && j < nbuttons; j++) {
608 const SGPropertyNode * button_node = buttons[j];
609 const SGPropertyNode * num_node = button_node->getChild("number");
610 size_t n_but = button_node->getIndex();
612 n_but = num_node->getIntValue(TGT_PLATFORM,n_but);
615 if (n_but >= nbuttons) {
616 SG_LOG(SG_INPUT, SG_DEBUG, "Dropping bindings for button " << n_but);
620 sprintf(buf, "%d", n_but);
621 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing button " << n_but);
622 _init_button(button_node,
623 _joystick_bindings[i].buttons[n_but],
626 // get interval-sec property
627 button &b = _joystick_bindings[i].buttons[n_but];
628 if (button_node != 0) {
629 b.interval_sec = button_node->getDoubleValue("interval-sec",0.0);
634 js->setMinRange(minRange);
635 js->setMaxRange(maxRange);
636 js->setCenter(center);
642 // Map of all known cursor names
643 // This used to contain all the Glut cursors, but those are
644 // not defined by other toolkits. It now supports only the cursor
645 // images we actually use, in the interest of portability. Someday,
646 // it would be cool to write an OpenGL cursor renderer, with the
647 // cursors defined as textures referenced in the property tree. This
648 // list could then be eliminated. -Andy
653 } mouse_cursor_map[] = {
654 { "none", MOUSE_CURSOR_NONE },
655 { "inherit", MOUSE_CURSOR_POINTER },
656 { "wait", MOUSE_CURSOR_WAIT },
657 { "crosshair", MOUSE_CURSOR_CROSSHAIR },
658 { "left-right", MOUSE_CURSOR_LEFTRIGHT },
663 FGInput::_init_mouse ()
665 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse bindings");
668 SGPropertyNode * mouse_nodes = fgGetNode("/input/mice");
669 if (mouse_nodes == 0) {
670 SG_LOG(SG_INPUT, SG_WARN, "No mouse bindings (/input/mice)!!");
671 mouse_nodes = fgGetNode("/input/mice", true);
675 for (int i = 0; i < MAX_MICE; i++) {
676 SGPropertyNode * mouse_node = mouse_nodes->getChild("mouse", i, true);
677 mouse &m = _mouse_bindings[i];
679 // Grab node pointers
681 sprintf(buf, "/devices/status/mice/mouse[%d]/mode", i);
682 m.mode_node = fgGetNode(buf);
683 if (m.mode_node == NULL) {
684 m.mode_node = fgGetNode(buf, true);
685 m.mode_node->setIntValue(0);
687 for (j = 0; j < MAX_MOUSE_BUTTONS; j++) {
688 sprintf(buf, "/devices/status/mice/mouse[%d]/button[%d]", i, j);
689 m.mouse_button_nodes[j] = fgGetNode(buf, true);
690 m.mouse_button_nodes[j]->setBoolValue(false);
693 // Read all the modes
694 m.nModes = mouse_node->getIntValue("mode-count", 1);
695 m.modes = new mouse_mode[m.nModes];
697 for (int j = 0; j < m.nModes; j++) {
700 // Read the mouse cursor for this mode
701 SGPropertyNode * mode_node = mouse_node->getChild("mode", j, true);
702 const char * cursor_name =
703 mode_node->getStringValue("cursor", "inherit");
704 m.modes[j].cursor = MOUSE_CURSOR_POINTER;
705 for (k = 0; mouse_cursor_map[k].name != 0; k++) {
706 if (!strcmp(mouse_cursor_map[k].name, cursor_name)) {
707 m.modes[j].cursor = mouse_cursor_map[k].cursor;
712 // Read other properties for this mode
713 m.modes[j].constrained = mode_node->getBoolValue("constrained", false);
714 m.modes[j].pass_through = mode_node->getBoolValue("pass-through", false);
716 // Read the button bindings for this mode
717 m.modes[j].buttons = new button[MAX_MOUSE_BUTTONS];
719 for (k = 0; k < MAX_MOUSE_BUTTONS; k++) {
720 sprintf(buf, "mouse button %d", k);
721 SG_LOG(SG_INPUT, SG_DEBUG, "Initializing mouse button " << k);
722 _init_button(mode_node->getChild("button", k),
723 m.modes[j].buttons[k],
727 // Read the axis bindings for this mode
728 _read_bindings(mode_node->getChild("x-axis", 0, true),
729 m.modes[j].x_bindings,
731 _read_bindings(mode_node->getChild("y-axis", 0, true),
732 m.modes[j].y_bindings,
740 FGInput::_init_button (const SGPropertyNode * node,
745 SG_LOG(SG_INPUT, SG_DEBUG, "No bindings for button " << name);
747 b.is_repeatable = node->getBoolValue("repeatable", b.is_repeatable);
749 // Get the bindings for the button
750 _read_bindings(node, b.bindings, KEYMOD_NONE);
756 FGInput::_update_keyboard ()
763 FGInput::_update_joystick (double dt)
765 int modifiers = KEYMOD_NONE; // FIXME: any way to get the real ones?
767 // float js_val, diff;
768 float axis_values[MAX_JOYSTICK_AXES];
773 for ( i = 0; i < MAX_JOYSTICKS; i++) {
775 jsJoystick * js = _joystick_bindings[i].js;
776 if (js == 0 || js->notWorking())
779 js->read(&buttons, axis_values);
781 // Fire bindings for the axes.
782 for ( j = 0; j < _joystick_bindings[i].naxes; j++) {
783 axis &a = _joystick_bindings[i].axes[j];
785 // Do nothing if the axis position
786 // is unchanged; only a change in
787 // position fires the bindings.
788 if (fabs(axis_values[j] - a.last_value) > a.tolerance) {
789 // SG_LOG(SG_INPUT, SG_DEBUG, "Axis " << j << " has moved");
790 a.last_value = axis_values[j];
791 // SG_LOG(SG_INPUT, SG_DEBUG, "There are "
792 // << a.bindings[modifiers].size() << " bindings");
793 for (unsigned int k = 0; k < a.bindings[modifiers].size(); k++)
794 a.bindings[modifiers][k]->fire(axis_values[j]);
797 // do we have to emulate axis buttons?
799 if(a.last_dt >= a.interval_sec) {
800 if (a.low.bindings[modifiers].size())
801 _update_button(_joystick_bindings[i].axes[j].low,
803 axis_values[j] < a.low_threshold,
806 if (a.high.bindings[modifiers].size())
807 _update_button(_joystick_bindings[i].axes[j].high,
809 axis_values[j] > a.high_threshold,
811 a.last_dt -= a.interval_sec;
815 // Fire bindings for the buttons.
816 for (j = 0; j < _joystick_bindings[i].nbuttons; j++) {
817 button &b = _joystick_bindings[i].buttons[j];
819 if(b.last_dt >= b.interval_sec) {
820 _update_button(_joystick_bindings[i].buttons[j],
822 (buttons & (1 << j)) > 0,
824 b.last_dt -= b.interval_sec;
831 FGInput::_update_mouse ( double dt )
833 mouse &m = _mouse_bindings[0];
834 int mode = m.mode_node->getIntValue();
835 if (mode != m.current_mode) {
836 m.current_mode = mode;
837 m.timeout = fgGetDouble( "/sim/mouse/cursor-timeout-sec", 10.0 );
838 if (mode >= 0 && mode < m.nModes) {
839 fgSetMouseCursor(m.modes[mode].cursor);
840 m.x = fgGetInt("/sim/startup/xsize", 800) / 2;
841 m.y = fgGetInt("/sim/startup/ysize", 600) / 2;
842 fgWarpMouse(m.x, m.y);
844 SG_LOG(SG_INPUT, SG_DEBUG, "Mouse mode " << mode << " out of range");
845 fgSetMouseCursor(MOUSE_CURSOR_POINTER);
849 if ( fgGetBool( "/sim/mouse/hide-cursor", true ) ) {
850 if ( m.x != m.save_x || m.y != m.save_y ) {
851 m.timeout = fgGetDouble( "/sim/mouse/cursor-timeout-sec", 10.0 );
852 fgSetMouseCursor(m.modes[mode].cursor);
855 if ( m.timeout <= 0.0 ) {
856 fgSetMouseCursor(MOUSE_CURSOR_NONE);
864 // handle repeatable mouse press events
865 std::map<int, std::list<SGSharedPtr<SGPickCallback> > >::iterator mi;
866 for (mi = _activePickCallbacks.begin();
867 mi != _activePickCallbacks.end(); ++mi) {
868 std::list<SGSharedPtr<SGPickCallback> >::iterator li;
869 for (li = mi->second.begin(); li != mi->second.end(); ++li) {
876 FGInput::_update_button (button &b, int modifiers, bool pressed,
880 // The press event may be repeated.
881 if (!b.last_state || b.is_repeatable) {
882 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been pressed" );
883 for (unsigned int k = 0; k < b.bindings[modifiers].size(); k++) {
884 b.bindings[modifiers][k]->fire(x, y);
888 // The release event is never repeated.
890 SG_LOG( SG_INPUT, SG_DEBUG, "Button has been released" );
891 for (unsigned int k = 0; k < b.bindings[modifiers|KEYMOD_RELEASED].size(); k++)
892 b.bindings[modifiers|KEYMOD_RELEASED][k]->fire(x, y);
896 b.last_state = pressed;
901 FGInput::_read_bindings (const SGPropertyNode * node,
902 binding_list_t * binding_list,
905 SG_LOG(SG_INPUT, SG_DEBUG, "Reading all bindings");
906 vector<SGPropertyNode_ptr> bindings = node->getChildren("binding");
907 for (unsigned int i = 0; i < bindings.size(); i++) {
908 const char *cmd = bindings[i]->getStringValue("command");
909 SG_LOG(SG_INPUT, SG_DEBUG, "Reading binding " << cmd);
911 if (!strcmp(cmd, "nasal") && _module[0])
912 bindings[i]->setStringValue("module", _module);
913 binding_list[modifiers].push_back(new SGBinding(bindings[i], globals->get_props()));
916 // Read nested bindings for modifiers
917 if (node->getChild("mod-up") != 0)
918 _read_bindings(node->getChild("mod-up"), binding_list,
919 modifiers|KEYMOD_RELEASED);
921 if (node->getChild("mod-shift") != 0)
922 _read_bindings(node->getChild("mod-shift"), binding_list,
923 modifiers|KEYMOD_SHIFT);
925 if (node->getChild("mod-ctrl") != 0)
926 _read_bindings(node->getChild("mod-ctrl"), binding_list,
927 modifiers|KEYMOD_CTRL);
929 if (node->getChild("mod-alt") != 0)
930 _read_bindings(node->getChild("mod-alt"), binding_list,
931 modifiers|KEYMOD_ALT);
935 const FGInput::binding_list_t&
936 FGInput::_find_key_bindings (unsigned int k, int modifiers)
938 unsigned char kc = (unsigned char)k;
939 button &b = _key_bindings[k];
941 // Try it straight, first.
942 if (b.bindings[modifiers].size() > 0)
943 return b.bindings[modifiers];
945 // Alt-Gr is CTRL+ALT
946 else if (modifiers&(KEYMOD_CTRL|KEYMOD_ALT))
947 return _find_key_bindings(k, modifiers&~(KEYMOD_CTRL|KEYMOD_ALT));
949 // Try removing the control modifier
951 else if ((modifiers&KEYMOD_CTRL) && iscntrl(kc))
952 return _find_key_bindings(k, modifiers&~KEYMOD_CTRL);
954 // Try removing shift modifier
955 // for upper case or any punctuation
956 // (since different keyboards will
957 // shift different punctuation types)
958 else if ((modifiers&KEYMOD_SHIFT) && (isupper(kc) || ispunct(kc)))
959 return _find_key_bindings(k, modifiers&~KEYMOD_SHIFT);
961 // Try removing alt modifier for
962 // high-bit characters.
963 else if ((modifiers&KEYMOD_ALT) && k >= 128 && k < 256)
964 return _find_key_bindings(k, modifiers&~KEYMOD_ALT);
966 // Give up and return the empty vector.
968 return b.bindings[modifiers];
973 ////////////////////////////////////////////////////////////////////////
974 // Implementation of FGInput::button.
975 ////////////////////////////////////////////////////////////////////////
977 FGInput::button::button ()
978 : is_repeatable(false),
985 FGInput::button::~button ()
987 // FIXME: memory leak
988 // for (int i = 0; i < KEYMOD_MAX; i++)
989 // for (int j = 0; i < bindings[i].size(); j++)
990 // delete bindings[i][j];
995 ////////////////////////////////////////////////////////////////////////
996 // Implementation of FGInput::axis.
997 ////////////////////////////////////////////////////////////////////////
999 FGInput::axis::axis ()
1000 : last_value(9999999),
1002 low_threshold(-0.9),
1003 high_threshold(0.9),
1009 FGInput::axis::~axis ()
1011 // for (int i = 0; i < KEYMOD_MAX; i++)
1012 // for (int j = 0; i < bindings[i].size(); j++)
1013 // delete bindings[i][j];
1018 ////////////////////////////////////////////////////////////////////////
1019 // Implementation of FGInput::joystick.
1020 ////////////////////////////////////////////////////////////////////////
1022 FGInput::joystick::joystick ()
1032 FGInput::joystick::~joystick ()
1041 ////////////////////////////////////////////////////////////////////////
1042 // Implementation of FGInput::mouse_mode
1043 ////////////////////////////////////////////////////////////////////////
1045 FGInput::mouse_mode::mouse_mode ()
1046 : cursor(MOUSE_CURSOR_POINTER),
1048 pass_through(false),
1053 FGInput::mouse_mode::~mouse_mode ()
1055 // FIXME: memory leak
1056 // for (int i = 0; i < KEYMOD_MAX; i++) {
1058 // for (j = 0; i < x_bindings[i].size(); j++)
1059 // delete bindings[i][j];
1060 // for (j = 0; j < y_bindings[i].size(); j++)
1061 // delete bindings[i][j];
1068 ////////////////////////////////////////////////////////////////////////
1069 // Implementation of FGInput::mouse
1070 ////////////////////////////////////////////////////////////////////////
1072 FGInput::mouse::mouse ()
1081 FGInput::mouse::~mouse ()
1086 ////////////////////////////////////////////////////////////////////////
1087 // Implementation of OS callbacks.
1088 ////////////////////////////////////////////////////////////////////////
1090 void keyHandler(int key, int keymod, int mousex, int mousey)
1092 if((keymod & KEYMOD_RELEASED) == 0)
1093 if(puKeyboard(key, PU_DOWN))
1097 default_input->doKey(key, keymod, mousex, mousey);
1100 void mouseClickHandler(int button, int updown, int x, int y)
1103 default_input->doMouseClick(button, updown, x, y);
1106 void mouseMotionHandler(int x, int y)
1108 if (default_input != 0)
1109 default_input->doMouseMotion(x, y);