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From Jeremy Moles, updates to osgWidget

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Merged my Robert Osfield from OpenSceneGraph-osgWidget-dev.
This commit is contained in:
Robert Osfield
2008-11-28 14:35:33 +00:00
parent d3b2d9b074
commit 9748fdd605
35 changed files with 1234 additions and 639 deletions
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64
src/osgWidget/Label.cpp
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@@ -1,5 +1,4 @@
// -*-c++-*- osgWidget - Code by: Jeremy Moles (cubicool) 2007-2008
// $Id: Label.cpp 59 2008-05-15 20:55:31Z cubicool $
#include <osg/Math>
#include <osgWidget/WindowManager>
@@ -9,12 +8,17 @@ namespace osgWidget {
Label::Label(const std::string& name, const std::string& label):
Widget (name, 0, 0),
_textIndex (0),
_text (new osgText::Text()) {
_text->setText(label);
_text (new osgText::Text()),
_textIndex (0) {
_text->setAlignment(osgText::Text::LEFT_BOTTOM);
_text->setDataVariance(osg::Object::DYNAMIC);
if(label.size()) {
_text->setText(label);
_calculateSize(getTextSize());
}
// TODO: Make a patch for this!
// If you're wondering why we don't use this let me explain...
//
@@ -36,7 +40,7 @@ _textIndex (label._textIndex) {
}
void Label::_calculateSize(const XYCoord& size) {
if(size.x() && size.y()) setMinimumSize(size.x(), size.y());
// if(size.x() && size.y()) setMinimumSize(size.x(), size.y());
if(getWidth() < size.x()) setWidth(size.x());
@@ -45,8 +49,15 @@ void Label::_calculateSize(const XYCoord& size) {
// TODO: This will almost certainly get out of sync. :(
void Label::parented(Window* parent) {
// If we've been cloned, use the index of the old text Drawable.
if(_textIndex) parent->getGeode()->setDrawable(_textIndex, _text.get());
osg::Geode* geode = parent->getGeode();
// If we've been cloned, use the index of the old text Drawable if it's already there.
// However, we have a problem here: imagine a Label gets cloned AFTER being added to
// a Window; it'll have a _textIndex, but that _textIndex won't apply to the
// currently cloned object. In this case, we'll need to check to be SURE.
osgText::Text* text = dynamic_cast<osgText::Text*>(geode->getDrawable(_textIndex));
if(text) parent->getGeode()->setDrawable(_textIndex, _text.get());
// Otherwise, add it as new.
else _textIndex = parent->addDrawableAndGetIndex(_text.get());
@@ -58,33 +69,16 @@ void Label::unparented(Window* parent) {
_textIndex = 0;
}
void Label::managed(WindowManager* wm) {
if(wm->isInvertedY()) {
// We rotate along our X axis, so we need to make sure and translate the
// text later to preserve centering.
_text->setAxisAlignment(osgText::Text::USER_DEFINED_ROTATION);
_text->setRotation(osg::Quat(
osg::DegreesToRadians(180.0f),
osg::Vec3(1.0f, 0.0f, 0.0f)
));
}
}
void Label::positioned() {
XYCoord size = getTextSize();
point_type x = osg::round(((getWidth() - size.x()) / 2.0f) + getX());
point_type y = 0.0f;
point_type y = osg::round(((getHeight() - size.y()) / 2.0f) + getY());
point_type z = _calculateZ(getLayer() + 1);
if(getWindowManager() && getWindowManager()->isInvertedY()) y =
osg::round(((getHeight() - size.y()) / 2.0f) + getY() + size.y())
;
else y = osg::round(((getHeight() - size.y()) / 2.0f) + getY());
// These values are permisable with CENTER_CENTER mode is active.
// point_type x = round(getX() + (getWidth() / 2.0f));
// point_type y = round(getY() + (getHeight() / 2.0f));
/*
warn() << "Label widget size : " << getWidth() << " x " << getHeight() << std::endl;
warn() << "Label widget tsize: " << getWidthTotal() << " x " << getHeightTotal() << std::endl;
@@ -94,12 +88,18 @@ void Label::positioned() {
warn() << "------------------------------------" << std::endl;
*/
_text->setPosition(osg::Vec3(x, y, _calculateZ(getLayer() + 1)));
}
const WindowManager* wm = _getWindowManager();
void Label::update()
{
warn() << "Label::update() not implemented yet."<<std::endl;
if(wm && wm->isUsingRenderBins()) {
_text->getOrCreateStateSet()->setRenderBinDetails(
static_cast<int>(z * OSGWIDGET_RENDERBIN_MOD),
"RenderBin"
);
z = 0.0f;
}
_text->setPosition(osg::Vec3(x, y, z));
}
void Label::setLabel(const std::string& label) {