FGFS-4.1/OpenSceneGraph
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Added preliminary icon to ComboBox.

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git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14391 16af8721-9629-0410-8352-f15c8da7e697
This commit is contained in:
Robert Osfield 2014-07-29 15:50:55 +00:00
parent a3794f3bd3
commit 46440ad0a8
2 changed files with 55 additions and 6 deletions
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6
include/osgUI/ComboBox
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@ -25,8 +25,8 @@ class OSGUI_EXPORT Item : public osg::Object
{
public:
Item() : _color(1.0f,1.0f,1.0f,1.0f) {}
Item(const std::string& str) : _text(str), _color(1.0f,1.0f,1.0f,1.0f) {}
Item() : _color(1.0f,1.0f,1.0f,0.0f) {}
Item(const std::string& str) : _text(str), _color(1.0f,1.0f,1.0f,0.0f) {}
Item(const std::string& str, const osg::Vec4& col) : _text(str), _color(col) {}
Item(const osg::Vec4& col) : _color(col) {}
@ -87,7 +87,7 @@ protected:
unsigned int _currentItem;
osg::ref_ptr<osg::Switch> _buttonSwitch;
osg::ref_ptr<osg::Switch> _backgroundSwitch;
osg::ref_ptr<osgUI::Popup> _popup;
};

55
src/osgUI/ComboBox.cpp
View File

@ -142,12 +142,14 @@ bool ComboBox::handleImplementation(osgGA::EventVisitor* ev, osgGA::Event* event
void ComboBox::enterImplementation()
{
OSG_NOTICE<<"ComboBox enter"<<std::endl;
if (_backgroundSwitch.valid()) _backgroundSwitch->setSingleChildOn(1);
}
void ComboBox::leaveImplementation()
{
OSG_NOTICE<<"ComboBox leave"<<std::endl;
if (_backgroundSwitch.valid()) _backgroundSwitch->setSingleChildOn(0);
}
void ComboBox::setCurrentItem(unsigned int i)
@ -171,7 +173,10 @@ void ComboBox::createGraphicsImplementation()
osg::ref_ptr<osg::Group> group = new osg::Group;
bool requiresFrame = (getFrameSettings() && getFrameSettings()->getShape()!=osgUI::FrameSettings::NO_FRAME);
float frameWidth = 0.0;
osg::Vec4 frameColor(0.97f,0.97f,0.97f,1.0f);
float unFocused = 0.92;
float withFocus = 0.97;
osg::Vec4 frameColor(unFocused,unFocused,unFocused,1.0f);
if (requiresFrame)
{
frameWidth = getFrameSettings()->getLineWidth();
@ -183,17 +188,61 @@ void ComboBox::createGraphicsImplementation()
extents.yMax() -= frameWidth;
}
bool itemsHaveColor = false;
for(Items::iterator itr = _items.begin();
itr != _items.end();
++itr)
{
Item* item = itr->get();
if (item->getColor().a()!=0.0f)
{
itemsHaveColor = true; break;
}
}
// work out position of carat.
float h = extents.yMax()-extents.yMin();
float w = h*0.7;
float minItemWidth = (extents.xMax()-extents.xMin())*0.5f;
if (w>minItemWidth) w = minItemWidth;
float xDivision = extents.xMax()-w;
osg::BoundingBox backgroundExtents = extents;
osg::BoundingBox iconExtents = backgroundExtents;
iconExtents.xMin() = xDivision;
extents.xMax() = xDivision;
if (itemsHaveColor)
{
backgroundExtents.xMin() = xDivision;
}
OSG_NOTICE<<"itemsHaveColor = "<<itemsHaveColor<<std::endl;
// clear background of edit region
_backgroundSwitch = new osg::Switch;
_backgroundSwitch->addChild(style->createPanel(backgroundExtents, osg::Vec4(unFocused, unFocused, unFocused, 1.0)));
_backgroundSwitch->addChild(style->createPanel(backgroundExtents, osg::Vec4(withFocus, withFocus, withFocus,1.0)));
_backgroundSwitch->setSingleChildOn(0);
// assign carat
group->addChild(_backgroundSwitch.get());
group->addChild(_buttonSwitch.get());
//group->addChild(style->createIcon(iconExtents, "cow.osgt", osg::Vec4(withFocus, withFocus, withFocus,1.0)));
group->addChild(style->createIcon(iconExtents, "Images/osg64.png", osg::Vec4(withFocus, withFocus, withFocus,1.0)));
if (!_items.empty())
{
float margin = (extents.yMax()-extents.yMin())*0.1f;
float itemWidth = (_extents.xMax()-_extents.xMin()) - 2.0f*frameWidth;
// float itemWidth = (_extents.xMax()-_extents.xMin()) - 2.0f*frameWidth;
float itemHeight = (_extents.yMax()-_extents.yMin()) - 2.0f*frameWidth;
float popupHeight = (itemHeight)* _items.size() + margin*static_cast<float>(_items.size()-1) + 2.0f*frameWidth;
float popupTop = _extents.yMin()-frameWidth;
float popupTop = _extents.yMin()-frameWidth-50.0f;
osg::BoundingBox popupExtents(_extents.xMin(), popupTop-popupHeight, _extents.zMin(), _extents.xMax(), popupTop, _extents.zMax());
_popup->setExtents(popupExtents);