#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
+#include <osg/Camera>
+#include <osg/GraphicsContext>
#include <osg/Math>
+#include <osg/Viewport>
#include <osgViewer/Viewer>
+
#include <plib/pu.h>
#include <Main/fg_props.hxx>
+#include "CameraGroup.hxx"
#include "FGManipulator.hxx"
+#include "WindowSystemAdapter.hxx"
#if !defined(X_DISPLAY_MISSING)
#define X_DOUBLE_SCROLL_BUG 1
#endif
+namespace flightgear
+{
const int displayStatsKey = 1;
const int printStatsKey = 2;
-// 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.
+// 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),
statsEvent(new osgGA::GUIEventAdapter),
statsType(osgViewer::StatsHandler::NO_STATS),
currentModifiers(0),
- osgModifiers(0),
resizable(true),
mouseWarped(false),
- scrollButtonPressed(false),
- useEventModifiers(false)
+ scrollButtonPressed(false)
{
using namespace osgGA;
statsHandler->setKeyEventTogglesOnScreenStats(displayStatsKey);
statsHandler->setKeyEventPrintsOutStats(printStatsKey);
statsEvent->setEventType(GUIEventAdapter::KEYDOWN);
- keyMaskMap[GUIEventAdapter::KEY_Shift_L]
- = GUIEventAdapter::MODKEY_LEFT_SHIFT;
- keyMaskMap[GUIEventAdapter::KEY_Shift_R]
- = GUIEventAdapter::MODKEY_RIGHT_SHIFT;
- keyMaskMap[GUIEventAdapter::KEY_Control_L]
- = GUIEventAdapter::MODKEY_LEFT_CTRL;
- keyMaskMap[GUIEventAdapter::KEY_Control_R]
- = GUIEventAdapter::MODKEY_RIGHT_CTRL;
- keyMaskMap[GUIEventAdapter::KEY_Alt_L] = GUIEventAdapter::MODKEY_LEFT_ALT;
- keyMaskMap[GUIEventAdapter::KEY_Alt_R] = GUIEventAdapter::MODKEY_RIGHT_ALT;
- keyMaskMap[GUIEventAdapter::KEY_Meta_L] = GUIEventAdapter::MODKEY_LEFT_META;
- keyMaskMap[GUIEventAdapter::KEY_Meta_R] = GUIEventAdapter::MODKEY_RIGHT_META;
- keyMaskMap[GUIEventAdapter::KEY_Super_L] = GUIEventAdapter::MODKEY_LEFT_META;
- keyMaskMap[GUIEventAdapter::KEY_Super_R] = GUIEventAdapter::MODKEY_RIGHT_META;
- // We have to implement numlock too.
+ // 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';
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();
}
-// All the usual translation from window system to FG / plib
-static int osgToFGModifiers(int modifiers)
+namespace
+{
+// Translate OSG modifier mask to FG modifier mask.
+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_LEFT_META |
- osgGA::GUIEventAdapter::MODKEY_RIGHT_META))
- result |= KEYMOD_META;
+ 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;
}
+}
void FGManipulator::init(const osgGA::GUIEventAdapter& ea,
- osgGA::GUIActionAdapter& us)
+ osgGA::GUIActionAdapter& us)
{
currentModifiers = osgToFGModifiers(ea.getModKeyMask());
(void)handle(ea, us);
}
-static bool
+// Calculate event coordinates in the viewport of the GUI camera, if
+// possible. Otherwise return false and (-1, -1).
+namespace
+{
+bool
eventToViewport(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us,
int& x, int& 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);
+ x = -1;
+ y = -1;
- if (!(camera && fgOSIsMainCamera(camera)))
- return false;
-
- x = int(lx);
- y = int(camera->getViewport()->height() - ly);
-
- return true;
+ const osg::GraphicsContext* eventGC = ea.getGraphicsContext();
+ const osg::GraphicsContext::Traits* traits = eventGC->getTraits();
+ osg::Camera* guiCamera = getGUICamera(CameraGroup::getDefault());
+ if (!guiCamera)
+ return false;
+ osg::Viewport* vport = guiCamera->getViewport();
+ if (!vport)
+ return false;
+
+ // Scale x, y to the dimensions of the window
+ double wx = (((ea.getX() - ea.getXmin()) / (ea.getXmax() - ea.getXmin()))
+ * (float)traits->width);
+ double wy = (((ea.getY() - ea.getYmin()) / (ea.getYmax() - ea.getYmin()))
+ * (float)traits->height);
+ if (vport->x() <= wx && wx <= vport->x() + vport->width()
+ && vport->y() <= wy && wy <= vport->y() + vport->height()) {
+ // Finally, into viewport coordinates. Change y to "increasing
+ // downwards".
+ x = wx - vport->x();
+ y = vport->height() - (wy - vport->y());
+ return true;
+ } else {
+ return false;
+ }
+}
}
bool FGManipulator::handle(const osgGA::GUIEventAdapter& ea,
- osgGA::GUIActionAdapter& us)
+ osgGA::GUIActionAdapter& us)
{
int x = 0;
int y = 0;
- handleStats(us);
switch (ea.getEventType()) {
case osgGA::GUIEventAdapter::FRAME:
- if (idleHandler)
- (*idleHandler)();
- if (drawHandler)
- (*drawHandler)();
- mouseWarped = false;
- 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;
}
case osgGA::GUIEventAdapter::PUSH:
case osgGA::GUIEventAdapter::RELEASE:
{
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;
+ 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:
{
// 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;
+ if (mouseWarped)
+ return true;
+ if (eventToViewport(ea, us, x, y) && mouseMotionHandler)
+ (*mouseMotionHandler)(x, y);
+ return true;
case osgGA::GUIEventAdapter::RESIZE:
- if (resizable && 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_BackSpace: key = '\b'; break;
- case osgGA::GUIEventAdapter::KEY_Delete: key = 0x7f; break;
- case osgGA::GUIEventAdapter::KEY_Tab: key = '\t'; 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 osgGA::GUIEventAdapter::KEY_KP_Delete: key = '.'; break;
- case osgGA::GUIEventAdapter::KEY_KP_Enter: key = '\r'; break;
- case osgGA::GUIEventAdapter::KEY_KP_Add: key = '+'; break;
- case osgGA::GUIEventAdapter::KEY_KP_Divide: key = '/'; break;
- case osgGA::GUIEventAdapter::KEY_KP_Multiply: key = '*'; break;
- case osgGA::GUIEventAdapter::KEY_KP_Subtract: key = '-'; 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;
- }
- } else if (useEventModifiers) {
-
- }else {
- // Track the modifiers because OSG is currently (2.0) broken
- KeyMaskMap::iterator iter = keyMaskMap.find(key);
- if (iter != keyMaskMap.end()) {
- int mask = iter->second;
- if (eventType == osgGA::GUIEventAdapter::KEYUP)
- osgModifiers &= ~mask;
- else
- osgModifiers |= mask;
- }
+ if (ea.getModKeyMask() & osgGA::GUIEventAdapter::MODKEY_NUM_LOCK) {
+ key = numPadIter->second;
+ }
}
- modifiers = osgToFGModifiers(osgModifiers);
+
+ modifiers = osgToFGModifiers(ea.getModKeyMask());
currentModifiers = modifiers;
if (eventType == osgGA::GUIEventAdapter::KEYUP)
- modifiers |= KEYMOD_RELEASED;
+ modifiers |= KEYMOD_RELEASED;
- // Release the letter key, for which the keypress was reported
+ // 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];
if (type != statsType) {
statsEvent->setKey(displayStatsKey);
do {
- statsType = ++statsType % osgViewer::StatsHandler::LAST;
+ statsType = (statsType + 1) % osgViewer::StatsHandler::LAST;
statsHandler->handle(*statsEvent, us);
} while (statsType != type);
}
}
+void eventToWindowCoords(const osgGA::GUIEventAdapter* ea,
+ double& x, double& y)
+{
+ using namespace osg;
+ const GraphicsContext* gc = ea->getGraphicsContext();
+ const GraphicsContext::Traits* traits = gc->getTraits() ;
+ // Scale x, y to the dimensions of the window
+ x = (((ea->getX() - ea->getXmin()) / (ea->getXmax() - ea->getXmin()))
+ * (double)traits->width);
+ y = (((ea->getY() - ea->getYmin()) / (ea->getYmax() - ea->getYmin()))
+ * (double)traits->height);
+ if (ea->getMouseYOrientation() == osgGA::GUIEventAdapter::Y_INCREASING_DOWNWARDS)
+ y = (double)traits->height - y;
+}
+
+void eventToWindowCoordsYDown(const osgGA::GUIEventAdapter* ea,
+ double& x, double& y)
+{
+ using namespace osg;
+ const GraphicsContext* gc = ea->getGraphicsContext();
+ const GraphicsContext::Traits* traits = gc->getTraits() ;
+ // Scale x, y to the dimensions of the window
+ x = (((ea->getX() - ea->getXmin()) / (ea->getXmax() - ea->getXmin()))
+ * (double)traits->width);
+ y = (((ea->getY() - ea->getYmin()) / (ea->getYmax() - ea->getYmin()))
+ * (double)traits->height);
+ if (ea->getMouseYOrientation() == osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS)
+ y = (double)traits->height - y;
+}
+}
projects / flightgear.git / blobdiff