FGFS-4.1/OpenSceneGraph
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Added basic frame rendering for TabWidget

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git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14446 16af8721-9629-0410-8352-f15c8da7e697
This commit is contained in:
Robert Osfield
2014-09-12 14:16:08 +00:00
parent e3a3ae6de6
commit e97059df78
2 changed files with 189 additions and 27 deletions
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7
include/osgUI/TabWidget
View File

@@ -87,11 +87,14 @@ protected:
void _activateWidgets();
osg::Node* _createTabFrame(const osg::BoundingBox& extents, osgUI::FrameSettings* fs, const osg::Vec4& color);
osg::Node* _createTabHeader(const osg::BoundingBox& extents, osgUI::FrameSettings* fs, const osg::Vec4& color);
Tabs _tabs;
unsigned int _currentIndex;
osg::ref_ptr<osg::Switch> _unselectedHeaderSwitch;
osg::ref_ptr<osg::Switch> _selectedHeaderSwitch;
osg::ref_ptr<osg::Switch> _inactiveHeaderSwitch;
osg::ref_ptr<osg::Switch> _activeHeaderSwitch;
osg::ref_ptr<osg::Switch> _tabWidgetSwitch;
};

209
src/osgUI/TabWidget.cpp
View File

@@ -48,7 +48,7 @@ bool TabWidget::handleImplementation(osgGA::EventVisitor* ev, osgGA::Event* even
// test if active tab header contains pointer
{
osg::NodePath nodePath = ev->getNodePath();
nodePath.push_back(_selectedHeaderSwitch.get());
nodePath.push_back(_activeHeaderSwitch.get());
osgUtil::LineSegmentIntersector::Intersections intersections;
if (aa->computeIntersections(*ea, nodePath, intersections))
@@ -60,7 +60,7 @@ bool TabWidget::handleImplementation(osgGA::EventVisitor* ev, osgGA::Event* even
// test if inactive tab header contains pointer
{
osg::NodePath nodePath = ev->getNodePath();
nodePath.push_back(_unselectedHeaderSwitch.get());
nodePath.push_back(_inactiveHeaderSwitch.get());
osgUtil::LineSegmentIntersector::Intersections intersections;
if (aa->computeIntersections(*ea, nodePath, intersections))
@@ -170,25 +170,40 @@ void TabWidget::createGraphicsImplementation()
// bool requiresFrame = (getFrameSettings() && getFrameSettings()->getShape()!=osgUI::FrameSettings::NO_FRAME);
_unselectedHeaderSwitch = new osg::Switch;
_selectedHeaderSwitch = new osg::Switch;
_inactiveHeaderSwitch = new osg::Switch;
_activeHeaderSwitch = new osg::Switch;
_tabWidgetSwitch = new osg::Switch;
float unselected = 0.92f;
float selected = 0.97f;
float active = 0.84f;
float inactive = 0.80f;
float titleHeight = 10.0f;
float characterWidth = titleHeight*0.7f;
float margin = titleHeight*0.2f;
float xPos = _extents.xMin();
float yMin = _extents.yMax()-titleHeight;
float yMax = _extents.yMax();
float zMin = _extents.zMin();
float zMax = _extents.zMax();
unsigned int tabIndex = 0;
osg::BoundingBox centerExtents = _extents;
centerExtents.yMax() -= titleHeight;
osg::ref_ptr<osgUI::AlignmentSettings> textAlignment = new osgUI::AlignmentSettings(osgUI::AlignmentSettings::LEFT_CENTER);
osg::ref_ptr<FrameSettings> fs = getFrameSettings();
if (!fs)
{
fs = new osgUI::FrameSettings;
fs->setShadow(osgUI::FrameSettings::RAISED);
fs->setLineWidth(1.0f);
}
osg::Vec4 dialogBackgroundColor(active,active,active,1.0);
osg::Vec4 inactiveColor(inactive, inactive, inactive, 1.0f);
float xPos = _extents.xMin();
float yMin = _extents.yMax() - titleHeight - fs->getLineWidth();
float yMax = _extents.yMax();
float zMin = _extents.zMin();
float zMax = _extents.zMax();
for(Tabs::iterator itr = _tabs.begin();
itr != _tabs.end();
++itr, ++tabIndex)
@@ -210,29 +225,33 @@ void TabWidget::createGraphicsImplementation()
headerExtents.xMax() = textExtents.xMin() + textWidth + margin;
osg::ref_ptr<osg::Node> unselected_panel = style->createPanel(headerExtents, osg::Vec4(unselected, unselected, unselected, 1.0f));
osg::ref_ptr<osg::Node> selected_panel = style->createPanel(headerExtents, osg::Vec4(selected, selected, selected, 1.0f));
osg::ref_ptr<osg::Node> inactive_panel = _createTabHeader(headerExtents, fs.get(), inactiveColor);
osg::ref_ptr<osg::Node> selected_panel = _createTabHeader(headerExtents, fs.get(), dialogBackgroundColor);
osg::ref_ptr<osg::Group> selected_group = new osg::Group;
selected_group->setUserValue("index",tabIndex);
selected_group->addChild(selected_panel.get());
selected_group->addChild(text.get());
osg::ref_ptr<osg::Group> unselected_group = new osg::Group;
unselected_group->setUserValue("index",tabIndex);
unselected_group->addChild(unselected_panel.get());
unselected_group->addChild(text.get());
osg::ref_ptr<osg::Group> inactive_group = new osg::Group;
inactive_group->setUserValue("index",tabIndex);
inactive_group->addChild(inactive_panel.get());
inactive_group->addChild(text.get());
_unselectedHeaderSwitch->addChild(unselected_group.get());
_selectedHeaderSwitch->addChild(selected_group.get());
_inactiveHeaderSwitch->addChild(inactive_group.get());
_activeHeaderSwitch->addChild(selected_group.get());
_tabWidgetSwitch->addChild(tab->getWidget());
xPos += textWidth+3.0*margin;
}
setGraphicsSubgraph(-3, _unselectedHeaderSwitch.get());
setGraphicsSubgraph(-2, _selectedHeaderSwitch.get());
setGraphicsSubgraph(-4, _inactiveHeaderSwitch.get());
osg::ref_ptr<osg::Node> backgroundPanel = _createTabFrame( centerExtents, fs.get(), dialogBackgroundColor);
setGraphicsSubgraph(-3, backgroundPanel.get());
setGraphicsSubgraph(-2, _activeHeaderSwitch.get());
setGraphicsSubgraph(-1, _tabWidgetSwitch.get());
_activateWidgets();
@@ -244,13 +263,153 @@ void TabWidget::_activateWidgets()
{
OSG_NOTICE<<"Activating widget "<<_currentIndex<<std::endl;
_unselectedHeaderSwitch->setAllChildrenOn();
_unselectedHeaderSwitch->setValue(_currentIndex, false);
_inactiveHeaderSwitch->setAllChildrenOn();
_inactiveHeaderSwitch->setValue(_currentIndex, false);
_selectedHeaderSwitch->setAllChildrenOff();
_selectedHeaderSwitch->setValue(_currentIndex, true);
_activeHeaderSwitch->setAllChildrenOff();
_activeHeaderSwitch->setValue(_currentIndex, true);
_tabWidgetSwitch->setAllChildrenOff();
_tabWidgetSwitch->setValue(_currentIndex, true);
}
}
osg::Node* TabWidget::_createTabFrame(const osg::BoundingBox& extents, osgUI::FrameSettings* fs, const osg::Vec4& color)
{
Style* style = (getStyle()!=0) ? getStyle() : Style::instance().get();
osg::ref_ptr<osg::Group> group = new osg::Group;
group->addChild( style->createPanel(extents, color) );
group->addChild( style->createFrame(extents, fs, color) );
return group.release();
}
osg::Node* TabWidget::_createTabHeader(const osg::BoundingBox& extents, osgUI::FrameSettings* frameSettings, const osg::Vec4& color)
{
osg::ref_ptr<osg::Geometry> geometry = new osg::Geometry;
geometry->setName("Frame");
float topScale = 1.0f;
float bottomScale = 1.0f;
float leftScale = 1.0f;
float rightScale = 1.0f;
if (frameSettings)
{
switch(frameSettings->getShadow())
{
case(FrameSettings::PLAIN):
// default settings are appropriate for PLAIN
break;
case(FrameSettings::SUNKEN):
topScale = 0.6f;
bottomScale = 1.2f;
leftScale = 0.8f;
rightScale = 0.8f;
break;
case(FrameSettings::RAISED):
topScale = 1.2f;
bottomScale = 0.6f;
leftScale = 0.8f;
rightScale = 0.8f;
break;
}
}
osg::Vec4 topColor(osg::minimum(color.r()*topScale,1.0f), osg::minimum(color.g()*topScale,1.0f), osg::minimum(color.b()*topScale,1.0f), color.a());
osg::Vec4 bottomColor(osg::minimum(color.r()*bottomScale,1.0f), osg::minimum(color.g()*bottomScale,1.0f), osg::minimum(color.b()*bottomScale,1.0f), color.a());
osg::Vec4 leftColor(osg::minimum(color.r()*leftScale,1.0f), osg::minimum(color.g()*leftScale,1.0f), osg::minimum(color.b()*leftScale,1.0f), color.a());
osg::Vec4 rightColor(osg::minimum(color.r()*rightScale,1.0f), osg::minimum(color.g()*rightScale,1.0f), osg::minimum(color.b()*rightScale,1.0f), color.a());
float lineWidth = frameSettings ? frameSettings->getLineWidth() : 1.0f;
osg::Vec3 outerBottomLeft(extents.xMin(), extents.yMin()+lineWidth, extents.zMin());
osg::Vec3 outerBottomRight(extents.xMax(), extents.yMin()+lineWidth, extents.zMin());
osg::Vec3 outerTopLeft(extents.xMin(), extents.yMax(), extents.zMin());
osg::Vec3 outerTopRight(extents.xMax(), extents.yMax(), extents.zMin());
osg::Vec3 innerBottomLeft(extents.xMin()+lineWidth, extents.yMin(), extents.zMin());
osg::Vec3 innerBottomRight(extents.xMax()-lineWidth, extents.yMin(), extents.zMin());
osg::Vec3 innerTopLeft(extents.xMin()+lineWidth, extents.yMax()-lineWidth, extents.zMin());
osg::Vec3 innerTopRight(extents.xMax()-lineWidth, extents.yMax()-lineWidth, extents.zMin());
osg::ref_ptr<osg::Vec3Array> vertices = new osg::Vec3Array;
geometry->setVertexArray(vertices.get());
vertices->push_back( outerBottomLeft ); // 0
vertices->push_back( outerBottomRight ); // 1
vertices->push_back( outerTopLeft ); // 2
vertices->push_back( outerTopRight ); // 3
vertices->push_back( innerBottomLeft ); // 4
vertices->push_back( innerBottomRight ); // 5
vertices->push_back( innerTopLeft ); // 6
vertices->push_back( innerTopRight ); // 7
osg::ref_ptr<osg::Vec4Array> colours = new osg::Vec4Array;
geometry->setColorArray(colours.get(), osg::Array::BIND_PER_PRIMITIVE_SET);
// bottom
{
colours->push_back(bottomColor);
osg::ref_ptr<osg::DrawElementsUShort> primitives = new osg::DrawElementsUShort(GL_TRIANGLE_STRIP);
geometry->addPrimitiveSet(primitives.get());
primitives->push_back(4);
primitives->push_back(0);
primitives->push_back(5);
primitives->push_back(1);
}
// top
{
colours->push_back(topColor);
osg::ref_ptr<osg::DrawElementsUShort> primitives = new osg::DrawElementsUShort(GL_TRIANGLE_STRIP);
geometry->addPrimitiveSet(primitives.get());
primitives->push_back(2);
primitives->push_back(6);
primitives->push_back(3);
primitives->push_back(7);
}
// left
{
colours->push_back(leftColor);
osg::ref_ptr<osg::DrawElementsUShort> primitives = new osg::DrawElementsUShort(GL_TRIANGLE_STRIP);
geometry->addPrimitiveSet(primitives.get());
primitives->push_back(2);
primitives->push_back(0);
primitives->push_back(6);
primitives->push_back(4);
}
// right
{
colours->push_back(rightColor);
osg::ref_ptr<osg::DrawElementsUShort> primitives = new osg::DrawElementsUShort(GL_TRIANGLE_STRIP);
geometry->addPrimitiveSet(primitives.get());
primitives->push_back(7);
primitives->push_back(5);
primitives->push_back(3);
primitives->push_back(1);
}
// center
{
colours->push_back(color);
osg::ref_ptr<osg::DrawElementsUShort> primitives = new osg::DrawElementsUShort(GL_TRIANGLE_STRIP);
geometry->addPrimitiveSet(primitives.get());
primitives->push_back(6);
primitives->push_back(4);
primitives->push_back(7);
primitives->push_back(5);
}
return geometry.release();
}