bool windowMouseOver(osgWidget::Event& event) {
osgWidget::XYCoord xy = event.getWindow()->localXY(event.x, event.y);
// osgWidget::warn() << "WINDOW " << xy.x() << " - " << xy.y() << std::endl;
return true;
}
bool changeTheme(osgWidget::Event& ev) {
std::string theme;
if(ev.key == osgGA::GUIEventAdapter::KEY_Right)
theme = "osgWidget/theme-1.png"
;
else if(ev.key == osgGA::GUIEventAdapter::KEY_Left)
theme = "osgWidget/theme-2.png"
;
else return false;
osgWidget::Frame* frame = dynamic_cast<osgWidget::Frame*>(ev.getWindow());
if(!frame) return false;
// This is just one way to access all our Widgets; we could just as well have used:
//
// for(osgWidget::Frame::Iterator i = frame.begin(); i != frame.end() i++) {}
//
// ...and it have worked, too.
for(unsigned int row = 0; row < 3; row++) {
for(unsigned int col = 0; col < 3; col++) {
frame->getByRowCol(row, col)->setImage(theme);
}
}
return true;
}
// NOTE: THIS IS JUST A TEMPORARY HACK! :) This functionality will all eventually be
// encapsulate into another class in osgWidget proper.
bool scrollWindow(osgWidget::Event& ev) {
// The first thing we need to do is make sure we have a Frame object...
osgWidget::Frame* frame = dynamic_cast<osgWidget::Frame*>(ev.getWindow());
if(!frame) return false;
// And now we need to make sure our Frame has a valid internal EmbeddedWindow widget.
osgWidget::Window::EmbeddedWindow* ew =
dynamic_cast<osgWidget::Window::EmbeddedWindow*>(frame->getEmbeddedWindow())
;
if(!ew) return false;
// Lets get the visible area so that we can use it to make sure our scrolling action
// is necessary in the first place.
const osgWidget::Quad& va = ew->getWindow()->getVisibleArea();
// The user wants to scroll up; make sure that the visible area's Y origin isn't already
// at 0.0f, 0.0f.
if(ev.getWindowManager()->isMouseScrollingUp() && va[1] != 0.0f)
ew->getWindow()->addVisibleArea(0, -20)
;
else if(va[1] <= (ew->getWindow()->getHeight() - ew->getHeight()))
ew->getWindow()->addVisibleArea(0, 20)
;
// We need to manually call update to make sure the visible area scissoring is done
// properly.
frame->update();
return true;
}
// Here we create (and later demonstrate) the use of a simple function callback.
bool windowClicked(osgWidget::Event& ev) {
std::cout << "windowClicked: " << ev.getWindow()->getName() << std::endl;
if(ev.getData()) {
std::string* s = static_cast<std::string*>(ev.getData());
std::cout << "This is data attached to the event: " << *s << std::endl;
}
return true;
}
bool windowClicked(osgWidget::Event &ev)
{
std::cout << "Object::windowClicked " << ev.getWindow()->getName() << std::endl;
return true;
}
// TODO: Testing our _parent/EmbeddedWindow stuff.
bool info(osgWidget::Event& ev) {
osgWidget::warn() << "MousePush @ Window: " << ev.getWindow()->getName() << std::endl;
return true;
}