#include <osg/Math>
#include <osgViewer/Viewer>
#include <plib/pu.h>
+#include <Main/fg_props.hxx>
#include "FGManipulator.hxx"
-// The manipulator is responsible for updating a Viewer's camera. It's
-// event handling method is also a convenient place to run the the FG
-// idle and draw handlers.
+#if !defined(X_DISPLAY_MISSING)
+#define X_DOUBLE_SCROLL_BUG 1
+#endif
+
+const int displayStatsKey = 1;
+const int printStatsKey = 2;
+
+
+// The manipulator is responsible for updating a Viewer's camera. Its
+// event handling method is also a convenient place to run the FG idle
+// and draw handlers.
+
+FGManipulator::FGManipulator() :
+ idleHandler(0),
+ drawHandler(0),
+ windowResizeHandler(0),
+ keyHandler(0),
+ mouseClickHandler(0),
+ mouseMotionHandler(0),
+ statsHandler(new osgViewer::StatsHandler),
+ statsEvent(new osgGA::GUIEventAdapter),
+ statsType(osgViewer::StatsHandler::NO_STATS),
+ currentModifiers(0),
+ resizable(true),
+ mouseWarped(false),
+ scrollButtonPressed(false)
+{
+ using namespace osgGA;
+ statsHandler->setKeyEventTogglesOnScreenStats(displayStatsKey);
+ statsHandler->setKeyEventPrintsOutStats(printStatsKey);
+ statsEvent->setEventType(GUIEventAdapter::KEYDOWN);
+
+ // OSG reports NumPad keycodes independent of the NumLock modifier.
+ // Both KP-4 and KP-Left are reported as KEY_KP_Left (0xff96), so we
+ // have to generate the locked keys ourselves.
+ numlockKeyMap[GUIEventAdapter::KEY_KP_Insert] = '0';
+ numlockKeyMap[GUIEventAdapter::KEY_KP_End] = '1';
+ numlockKeyMap[GUIEventAdapter::KEY_KP_Down] = '2';
+ numlockKeyMap[GUIEventAdapter::KEY_KP_Page_Down] = '3';
+ numlockKeyMap[GUIEventAdapter::KEY_KP_Left] = '4';
+ numlockKeyMap[GUIEventAdapter::KEY_KP_Begin] = '5';
+ numlockKeyMap[GUIEventAdapter::KEY_KP_Right] = '6';
+ numlockKeyMap[GUIEventAdapter::KEY_KP_Home] = '7';
+ numlockKeyMap[GUIEventAdapter::KEY_KP_Up] = '8';
+ numlockKeyMap[GUIEventAdapter::KEY_KP_Page_Up] = '9';
+
+ for (int i = 0; i < 128; i++)
+ release_keys[i] = i;
+}
void FGManipulator::setByMatrix(const osg::Matrixd& matrix)
{
osg::Matrixd FGManipulator::getInverseMatrix() const
{
return (osg::Matrixd::translate(-position)
- * osg::Matrixd::rotate(attitude.inverse())) ;
+ * osg::Matrixd::rotate(attitude.inverse())) ;
}
// Not used, but part of the interface.
{
_node = node;
}
-
+
const osg::Node* FGManipulator::getNode() const
{
return _node.get();
return _node.get();
}
-namespace {
-// All the usual translation from window system to FG / plib
-int osgToFGModifiers(int modifiers)
+// Translate OSG modifier mask to FG modifier mask.
+static int osgToFGModifiers(int modifiers)
{
int result = 0;
- if (modifiers & (osgGA::GUIEventAdapter::MODKEY_LEFT_SHIFT |
- osgGA::GUIEventAdapter::MODKEY_RIGHT_SHIFT))
- result |= KEYMOD_SHIFT;
- if (modifiers & (osgGA::GUIEventAdapter::MODKEY_LEFT_CTRL |
- osgGA::GUIEventAdapter::MODKEY_RIGHT_CTRL))
- result |= KEYMOD_CTRL;
- if (modifiers & (osgGA::GUIEventAdapter::MODKEY_LEFT_ALT |
- osgGA::GUIEventAdapter::MODKEY_RIGHT_ALT))
- result |= KEYMOD_ALT;
+ if (modifiers & osgGA::GUIEventAdapter::MODKEY_SHIFT)
+ result |= KEYMOD_SHIFT;
+
+ if (modifiers & osgGA::GUIEventAdapter::MODKEY_CTRL)
+ result |= KEYMOD_CTRL;
+
+ if (modifiers & osgGA::GUIEventAdapter::MODKEY_ALT)
+ result |= KEYMOD_ALT;
+
+ if (modifiers & osgGA::GUIEventAdapter::MODKEY_META)
+ result |= KEYMOD_META;
+
+ if (modifiers & osgGA::GUIEventAdapter::MODKEY_SUPER)
+ result |= KEYMOD_SUPER;
+
+ if (modifiers & osgGA::GUIEventAdapter::MODKEY_HYPER)
+ result |= KEYMOD_HYPER;
return result;
}
-} // namespace
void FGManipulator::init(const osgGA::GUIEventAdapter& ea,
- osgGA::GUIActionAdapter& us)
+ osgGA::GUIActionAdapter& us)
{
currentModifiers = osgToFGModifiers(ea.getModKeyMask());
(void)handle(ea, us);
}
-namespace {
-void eventToViewport(const osgGA::GUIEventAdapter& ea,
- osgGA::GUIActionAdapter& us,
- int& x, int& y)
+static bool
+eventToViewport(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us,
+ int& x, int& y)
{
- osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>(&us);
- osg::Viewport* viewport = viewer->getCamera()->getViewport();
- const osg::GraphicsContext::Traits* traits
- = viewer->getCamera()->getGraphicsContext()->getTraits();
- x = (int)ea.getX();
- y = (int)ea.getY();
- if (ea.getMouseYOrientation()
- == osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS)
- y = (int)traits->height - y;
-}
+ x = -1;
+ y = -1;
+
+ const osgViewer::Viewer* viewer;
+ viewer = dynamic_cast<const osgViewer::Viewer*>(&us);
+ if (!viewer)
+ return false;
+
+ float lx, ly;
+ const osg::Camera* camera;
+ camera = viewer->getCameraContainingPosition(ea.getX(), ea.getY(), lx, ly);
+
+ if (!(camera && fgOSIsMainCamera(camera)))
+ return false;
+
+ x = int(lx);
+ y = int(camera->getViewport()->height() - ly);
+
+ return true;
}
bool FGManipulator::handle(const osgGA::GUIEventAdapter& ea,
- osgGA::GUIActionAdapter& us)
+ osgGA::GUIActionAdapter& us)
{
- int x, y;
+ int x = 0;
+ int y = 0;
+
switch (ea.getEventType()) {
case osgGA::GUIEventAdapter::FRAME:
- if (idleHandler)
- (*idleHandler)();
- if (drawHandler)
- (*drawHandler)();
- return true;
+ if (idleHandler)
+ (*idleHandler)();
+ if (drawHandler)
+ (*drawHandler)();
+ mouseWarped = false;
+ handleStats(us);
+ return true;
case osgGA::GUIEventAdapter::KEYDOWN:
case osgGA::GUIEventAdapter::KEYUP:
{
- int key, modmask;
- handleKey(ea, key, modmask);
- eventToViewport(ea, us, x, y);
- if (keyHandler)
- (*keyHandler)(key, modmask, x, y);
+ int key, modmask;
+ handleKey(ea, key, modmask);
+ eventToViewport(ea, us, x, y);
+ if (keyHandler)
+ (*keyHandler)(key, modmask, x, y);
+ return true;
}
- return true;
case osgGA::GUIEventAdapter::PUSH:
case osgGA::GUIEventAdapter::RELEASE:
{
- eventToViewport(ea, us, x, y);
- int button = 0;
- switch (ea.getButton()) {
- case osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON:
- button = 0;
- break;
- case osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON:
- button = 1;
- break;
- case osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON:
- button = 2;
- break;
- }
- if (mouseClickHandler)
- (*mouseClickHandler)(button,
- (ea.getEventType()
- == osgGA::GUIEventAdapter::RELEASE), x, y);
- return true;
+ bool mainWindow = eventToViewport(ea, us, x, y);
+ int button = 0;
+ switch (ea.getButton()) {
+ case osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON:
+ button = 0;
+ break;
+ case osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON:
+ button = 1;
+ break;
+ case osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON:
+ button = 2;
+ break;
+ }
+ if (mouseClickHandler)
+ (*mouseClickHandler)(button,
+ (ea.getEventType()
+ == osgGA::GUIEventAdapter::RELEASE), x, y, mainWindow, &ea);
+ return true;
+ }
+ case osgGA::GUIEventAdapter::SCROLL:
+ {
+ bool mainWindow = eventToViewport(ea, us, x, y);
+#ifdef X_DOUBLE_SCROLL_BUG
+ scrollButtonPressed = !scrollButtonPressed;
+ if (!scrollButtonPressed) // Drop the button release event
+ return true;
+#endif
+ int button;
+ if (ea.getScrollingMotion() == osgGA::GUIEventAdapter::SCROLL_UP)
+ button = 3;
+ else
+ button = 4;
+ if (mouseClickHandler) {
+ (*mouseClickHandler)(button, 0, x, y, mainWindow, &ea);
+ (*mouseClickHandler)(button, 1, x, y, mainWindow, &ea);
+ }
+ return true;
}
case osgGA::GUIEventAdapter::MOVE:
case osgGA::GUIEventAdapter::DRAG:
- eventToViewport(ea, us, x, y);
- if (mouseMotionHandler)
- (*mouseMotionHandler)(x, y);
- return true;
+ // If we warped the mouse, then disregard all pointer motion
+ // events for this frame. We really want to flush the event
+ // queue of mouse events, but don't have the ability to do
+ // that with osgViewer.
+ if (mouseWarped)
+ return true;
+ if (eventToViewport(ea, us, x, y) && mouseMotionHandler)
+ (*mouseMotionHandler)(x, y);
+ return true;
case osgGA::GUIEventAdapter::RESIZE:
- if (windowResizeHandler)
- (*windowResizeHandler)(ea.getWindowWidth(), ea.getWindowHeight());
- return true;
+ if (resizable && windowResizeHandler)
+ (*windowResizeHandler)(ea.getWindowWidth(), ea.getWindowHeight());
+ return true;
+ case osgGA::GUIEventAdapter::CLOSE_WINDOW:
+ case osgGA::GUIEventAdapter::QUIT_APPLICATION:
+ fgOSExit(0);
+ return true;
default:
- return false;
+ return false;
}
}
-
+
void FGManipulator::handleKey(const osgGA::GUIEventAdapter& ea, int& key,
- int& modifiers)
+ int& modifiers)
{
+ using namespace osgGA;
key = ea.getKey();
// XXX Probably other translations are needed too.
switch (key) {
- case osgGA::GUIEventAdapter::KEY_Escape: key = 0x1b; break;
- case osgGA::GUIEventAdapter::KEY_Return: key = '\n'; break;
- case osgGA::GUIEventAdapter::KEY_Left: key = PU_KEY_LEFT; break;
- case osgGA::GUIEventAdapter::KEY_Up: key = PU_KEY_UP; break;
- case osgGA::GUIEventAdapter::KEY_Right: key = PU_KEY_RIGHT; break;
- case osgGA::GUIEventAdapter::KEY_Down: key = PU_KEY_DOWN; break;
- case osgGA::GUIEventAdapter::KEY_Page_Up: key = PU_KEY_PAGE_UP; break;
- case osgGA::GUIEventAdapter::KEY_Page_Down: key = PU_KEY_PAGE_DOWN; break;
- case osgGA::GUIEventAdapter::KEY_Home: key = PU_KEY_HOME; break;
- case osgGA::GUIEventAdapter::KEY_End: key = PU_KEY_END; break;
- case osgGA::GUIEventAdapter::KEY_Insert: key = PU_KEY_INSERT; break;
- case osgGA::GUIEventAdapter::KEY_F1: key = PU_KEY_F1; break;
- case osgGA::GUIEventAdapter::KEY_F2: key = PU_KEY_F2; break;
- case osgGA::GUIEventAdapter::KEY_F3: key = PU_KEY_F3; break;
- case osgGA::GUIEventAdapter::KEY_F4: key = PU_KEY_F4; break;
- case osgGA::GUIEventAdapter::KEY_F5: key = PU_KEY_F5; break;
- case osgGA::GUIEventAdapter::KEY_F6: key = PU_KEY_F6; break;
- case osgGA::GUIEventAdapter::KEY_F7: key = PU_KEY_F7; break;
- case osgGA::GUIEventAdapter::KEY_F8: key = PU_KEY_F8; break;
- case osgGA::GUIEventAdapter::KEY_F9: key = PU_KEY_F9; break;
- case osgGA::GUIEventAdapter::KEY_F10: key = PU_KEY_F10; break;
- case osgGA::GUIEventAdapter::KEY_F11: key = PU_KEY_F11; break;
- case osgGA::GUIEventAdapter::KEY_F12: key = PU_KEY_F12; break;
+ case GUIEventAdapter::KEY_Escape: key = 0x1b; break;
+ case GUIEventAdapter::KEY_Return: key = '\n'; break;
+ case GUIEventAdapter::KEY_BackSpace: key = '\b'; break;
+ case GUIEventAdapter::KEY_Delete: key = 0x7f; break;
+ case GUIEventAdapter::KEY_Tab: key = '\t'; break;
+ case GUIEventAdapter::KEY_Left: key = PU_KEY_LEFT; break;
+ case GUIEventAdapter::KEY_Up: key = PU_KEY_UP; break;
+ case GUIEventAdapter::KEY_Right: key = PU_KEY_RIGHT; break;
+ case GUIEventAdapter::KEY_Down: key = PU_KEY_DOWN; break;
+ case GUIEventAdapter::KEY_Page_Up: key = PU_KEY_PAGE_UP; break;
+ case GUIEventAdapter::KEY_Page_Down: key = PU_KEY_PAGE_DOWN; break;
+ case GUIEventAdapter::KEY_Home: key = PU_KEY_HOME; break;
+ case GUIEventAdapter::KEY_End: key = PU_KEY_END; break;
+ case GUIEventAdapter::KEY_Insert: key = PU_KEY_INSERT; break;
+ case GUIEventAdapter::KEY_F1: key = PU_KEY_F1; break;
+ case GUIEventAdapter::KEY_F2: key = PU_KEY_F2; break;
+ case GUIEventAdapter::KEY_F3: key = PU_KEY_F3; break;
+ case GUIEventAdapter::KEY_F4: key = PU_KEY_F4; break;
+ case GUIEventAdapter::KEY_F5: key = PU_KEY_F5; break;
+ case GUIEventAdapter::KEY_F6: key = PU_KEY_F6; break;
+ case GUIEventAdapter::KEY_F7: key = PU_KEY_F7; break;
+ case GUIEventAdapter::KEY_F8: key = PU_KEY_F8; break;
+ case GUIEventAdapter::KEY_F9: key = PU_KEY_F9; break;
+ case GUIEventAdapter::KEY_F10: key = PU_KEY_F10; break;
+ case GUIEventAdapter::KEY_F11: key = PU_KEY_F11; break;
+ case GUIEventAdapter::KEY_F12: key = PU_KEY_F12; break;
+ case GUIEventAdapter::KEY_KP_Delete: key = '.'; break;
+ case GUIEventAdapter::KEY_KP_Enter: key = '\r'; break;
+ case GUIEventAdapter::KEY_KP_Add: key = '+'; break;
+ case GUIEventAdapter::KEY_KP_Divide: key = '/'; break;
+ case GUIEventAdapter::KEY_KP_Multiply: key = '*'; break;
+ case GUIEventAdapter::KEY_KP_Subtract: key = '-'; break;
}
+ osgGA::GUIEventAdapter::EventType eventType = ea.getEventType();
+
+ std::map<int, int>::iterator numPadIter = numlockKeyMap.find(key);
+
+ if (numPadIter != numlockKeyMap.end()) {
+ if (ea.getModKeyMask() & osgGA::GUIEventAdapter::MODKEY_NUM_LOCK) {
+ key = numPadIter->second;
+ }
+ }
+
modifiers = osgToFGModifiers(ea.getModKeyMask());
currentModifiers = modifiers;
- if (ea.getEventType() == osgGA::GUIEventAdapter::KEYUP)
- modifiers |= KEYMOD_RELEASED;
+ if (eventType == osgGA::GUIEventAdapter::KEYUP)
+ modifiers |= KEYMOD_RELEASED;
+
+ // Release the letter key, for which the key press was reported. This
+ // is to deal with Ctrl-press -> a-press -> Ctrl-release -> a-release
+ // correctly.
+ if (key >= 0 && key < 128) {
+ if (modifiers & KEYMOD_RELEASED) {
+ key = release_keys[key];
+ } else {
+ release_keys[key] = key;
+ if (key >= 1 && key <= 26) {
+ release_keys[key + '@'] = key;
+ release_keys[key + '`'] = key;
+ } else if (key >= 'A' && key <= 'Z') {
+ release_keys[key - '@'] = key;
+ release_keys[tolower(key)] = key;
+ } else if (key >= 'a' && key <= 'z') {
+ release_keys[key - '`'] = key;
+ release_keys[toupper(key)] = key;
+ }
+ }
+ }
+}
+
+void FGManipulator::handleStats(osgGA::GUIActionAdapter& us)
+{
+ static SGPropertyNode_ptr display = fgGetNode("/sim/rendering/on-screen-statistics", true);
+ static SGPropertyNode_ptr print = fgGetNode("/sim/rendering/print-statistics", true);
+
+ int type = display->getIntValue() % osgViewer::StatsHandler::LAST;
+ if (type != statsType) {
+ statsEvent->setKey(displayStatsKey);
+ do {
+ statsType = (statsType + 1) % osgViewer::StatsHandler::LAST;
+ statsHandler->handle(*statsEvent, us);
+ } while (statsType != type);
+
+ display->setIntValue(statsType);
+ }
+
+ if (print->getBoolValue()) {
+ statsEvent->setKey(printStatsKey);
+ statsHandler->handle(*statsEvent, us);
+ print->setBoolValue(false);
+ }
}
projects / flightgear.git / blobdiff