// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#include "canvas_mgr.hxx"
#include "window.hxx"
-#include <Canvas/canvas.hxx>
+#include <Main/globals.hxx>
+#include <simgear/canvas/Canvas.hxx>
+#include <simgear/scene/util/OsgMath.hxx>
-#include <osg/BlendFunc>
-#include <osg/Geometry>
-#include <osg/Texture2D>
#include <osgGA/GUIEventHandler>
-/**
- * Callback to enable/disable rendering of canvas displayed inside windows
- */
-class CullCallback:
- public osg::Drawable::CullCallback
+#include <boost/algorithm/string/predicate.hpp>
+#include <boost/foreach.hpp>
+
+namespace canvas
{
- public:
- CullCallback(Canvas::CameraCullCallback* camera_cull);
+ namespace sc = simgear::canvas;
- private:
- Canvas::CameraCullCallback *_camera_cull;
+ //----------------------------------------------------------------------------
+ const std::string Window::TYPE_NAME = "window";
- virtual bool cull( osg::NodeVisitor* nv,
- osg::Drawable* drawable,
- osg::RenderInfo* renderInfo ) const;
-};
+ //----------------------------------------------------------------------------
+ Window::Window( const simgear::canvas::CanvasWeakPtr& canvas,
+ const SGPropertyNode_ptr& node,
+ const Style& parent_style,
+ Element* parent ):
+ Image(canvas, node, parent_style, parent),
+ _attributes_dirty(0),
+ _resizable(false),
+ _capture_events(true),
+ _resize_top(node, "resize-top"),
+ _resize_right(node, "resize-right"),
+ _resize_bottom(node, "resize-bottom"),
+ _resize_left(node, "resize-left"),
+ _resize_status(node, "resize-status")
+ {
+ node->setFloatValue("source/right", 1);
+ node->setFloatValue("source/bottom", 1);
+ node->setBoolValue("source/normalized", true);
+ }
-//------------------------------------------------------------------------------
-CullCallback::CullCallback(Canvas::CameraCullCallback* camera_cull):
- _camera_cull( camera_cull )
-{
+ //----------------------------------------------------------------------------
+ Window::~Window()
+ {
+ if( _canvas_decoration )
+ _canvas_decoration->destroy();
+ }
-}
+ //----------------------------------------------------------------------------
+ void Window::update(double delta_time_sec)
+ {
+ if( _attributes_dirty & DECORATION )
+ {
+ updateDecoration();
+ _attributes_dirty &= ~DECORATION;
+ }
-//------------------------------------------------------------------------------
-bool CullCallback::cull( osg::NodeVisitor* nv,
- osg::Drawable* drawable,
- osg::RenderInfo* renderInfo ) const
-{
- _camera_cull->enableRendering();
- return false;
-}
+ Image::update(delta_time_sec);
+ }
-namespace canvas
-{
//----------------------------------------------------------------------------
- Window::Window(SGPropertyNode* node):
- PropertyBasedElement(node),
- _dirty(true),
- _geometry( new osg::Geometry ),
- _vertices( new osg::Vec3Array(4) ),
- _tex_coords( new osg::Vec2Array(4) ),
- _x(node, "x"),
- _y(node, "y"),
- _width(node, "size[0]"),
- _height(node, "size[1]")
- {
- _x = 50;
- _y = 100;
- _width = 400;
- _height = 300;
-
- _geometry->setVertexArray(_vertices);
- _geometry->setTexCoordArray(0,_tex_coords);
-
- osg::Vec4Array* colors = new osg::Vec4Array(1);
- (*colors)[0].set(1.0f,1.0f,1.0,1.0f);
- _geometry->setColorArray(colors);
- _geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
-
- _geometry->addPrimitiveSet(
- new osg::DrawArrays(osg::PrimitiveSet::QUADS,0,4)
- );
- _geometry->setDataVariance(osg::Object::DYNAMIC);
-
- osg::StateSet* stateSet = _geometry->getOrCreateStateSet();
- stateSet->setRenderBinDetails(1000, "RenderBin");
+ void Window::valueChanged(SGPropertyNode * node)
+ {
+ bool handled = false;
+ if( node->getParent() == _node )
+ {
+ handled = true;
+ const std::string& name = node->getNameString();
+ if( name == "resize" )
+ _resizable = node->getBoolValue();
+ else if( name == "update" )
+ update(0);
+ else if( name == "capture-events" )
+ _capture_events = node->getBoolValue();
+ else if( name == "decoration-border" )
+ parseDecorationBorder(node->getStringValue());
+ else if( boost::starts_with(name, "shadow-")
+ || name == "content-size" )
+ _attributes_dirty |= DECORATION;
+ else
+ handled = false;
+ }
- // speed optimization?
- stateSet->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);
- stateSet->setAttribute(new osg::BlendFunc(
- osg::BlendFunc::SRC_ALPHA,
- osg::BlendFunc::ONE_MINUS_SRC_ALPHA)
- );
- stateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
- stateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
- stateSet->setMode(GL_FOG, osg::StateAttribute::OFF);
- stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
- stateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
+ if( !handled )
+ Image::valueChanged(node);
}
//----------------------------------------------------------------------------
- Window::~Window()
+ osg::Group* Window::getGroup()
{
+ return getMatrixTransform();
+ }
+ //----------------------------------------------------------------------------
+ const SGVec2<float> Window::getPosition() const
+ {
+ const osg::Matrix& m = getMatrixTransform()->getMatrix();
+ return SGVec2<float>( m(3, 0), m(3, 1) );
}
//----------------------------------------------------------------------------
- void Window::update(double delta_time_sec)
+ const SGRect<float> Window::getScreenRegion() const
{
- if( !_dirty )
- return;
- _dirty = false;
+ return getPosition() + getRegion();
+ }
- _region.set(_x, _y, _width, _height);
+ //----------------------------------------------------------------------------
+ void Window::setCanvasContent(sc::CanvasPtr canvas)
+ {
+ _canvas_content = canvas;
- int z = 0; // TODO do we need to use z for depth ordering?
+ if( _image_content )
+ // Placement within decoration canvas
+ _image_content->setSrcCanvas(canvas);
+ else
+ setSrcCanvas(canvas);
+ }
- (*_vertices)[0].set(_region.l(), _region.t(), z);
- (*_vertices)[1].set(_region.r(), _region.t(), z);
- (*_vertices)[2].set(_region.r(), _region.b(), z);
- (*_vertices)[3].set(_region.l(), _region.b(), z);
+ //----------------------------------------------------------------------------
+ sc::CanvasWeakPtr Window::getCanvasContent() const
+ {
+ return _canvas_content;
+ }
- float l = 0, t = 1, b = 0, r = 1;
- (*_tex_coords)[0].set(l,t);
- (*_tex_coords)[1].set(r,t);
- (*_tex_coords)[2].set(r,b);
- (*_tex_coords)[3].set(l,b);
+ //----------------------------------------------------------------------------
+ sc::CanvasPtr Window::getCanvasDecoration()
+ {
+ return _canvas_decoration;
+ }
- _geometry->dirtyDisplayList();
+ //----------------------------------------------------------------------------
+ bool Window::isResizable() const
+ {
+ return _resizable;
}
//----------------------------------------------------------------------------
- void Window::valueChanged (SGPropertyNode * node)
+ bool Window::isCapturingEvents() const
{
- if( node->getParent() != _node )
- return;
+ return _capture_events;
+ }
- const std::string& name = node->getNameString();
- if( name == "x" || name == "y" || name == "size" )
- _dirty = true;
+ //----------------------------------------------------------------------------
+ void Window::raise()
+ {
+ // on writing the z-index the window always is moved to the top of all other
+ // windows with the same z-index.
+ set<int>("z-index", get<int>("z-index", 0));
}
//----------------------------------------------------------------------------
- void Window::setCanvas(CanvasPtr canvas)
+ void Window::handleResize( uint8_t mode,
+ const osg::Vec2f& offset )
{
- _canvas = canvas;
- _geometry->getOrCreateStateSet()
- ->setTextureAttribute(0, canvas ? canvas->getTexture() : 0);
- _geometry->dirtyDisplayList();
- _geometry->setCullCallback(
- canvas ? new CullCallback(canvas->getCameraCullCallback()) : 0
- );
+ if( mode == NONE )
+ {
+ _resize_status = 0;
+ return;
+ }
+ else if( mode & INIT )
+ {
+ _resize_top = getRegion().t();
+ _resize_right = getRegion().r();
+ _resize_bottom = getRegion().b();
+ _resize_left = getRegion().l();
+ _resize_status = 1;
+ }
+
+ if( mode & BOTTOM )
+ _resize_bottom = getRegion().b() + offset.y();
+ else if( mode & TOP )
+ _resize_top = getRegion().t() + offset.y();
+
+ if( mode & canvas::Window::RIGHT )
+ _resize_right = getRegion().r() + offset.x();
+ else if( mode & canvas::Window::LEFT )
+ _resize_left = getRegion().l() + offset.x();
}
//----------------------------------------------------------------------------
- CanvasWeakPtr Window::getCanvas() const
+ void Window::parseDecorationBorder(const std::string& str)
{
- return _canvas;
+ _decoration_border = simgear::CSSBorder::parse(str);
+ _attributes_dirty |= DECORATION;
}
//----------------------------------------------------------------------------
- bool Window::handleMouseEvent(const MouseEvent& event)
+ void Window::updateDecoration()
{
- if( !_canvas.expired() )
- return _canvas.lock()->handleMouseEvent(event);
- else
- return false;
+ int shadow_radius = get<float>("shadow-radius") + 0.5;
+ if( shadow_radius < 2 )
+ shadow_radius = 0;
+
+ sc::CanvasPtr content = _canvas_content.lock();
+ SGRect<int> content_view
+ (
+ 0,
+ 0,
+ get<int>("content-size[0]", content ? content->getViewWidth() : 400),
+ get<int>("content-size[1]", content ? content->getViewHeight() : 300)
+ );
+
+ if( _decoration_border.isNone() && !shadow_radius )
+ {
+ setSrcCanvas(content);
+ set<int>("size[0]", content_view.width());
+ set<int>("size[1]", content_view.height());
+
+ _image_content.reset();
+ _image_shadow.reset();
+ if( _canvas_decoration )
+ _canvas_decoration->destroy();
+ _canvas_decoration.reset();
+ return;
+ }
+
+ if( !_canvas_decoration )
+ {
+ CanvasMgr* mgr =
+ dynamic_cast<CanvasMgr*>(globals->get_subsystem("Canvas"));
+
+ if( !mgr )
+ {
+ SG_LOG(SG_GENERAL, SG_WARN, "canvas::Window: no canvas manager!");
+ return;
+ }
+
+ _canvas_decoration = mgr->createCanvas("window-decoration");
+ _canvas_decoration->getProps()
+ ->setStringValue("background", "rgba(0,0,0,0)");
+ setSrcCanvas(_canvas_decoration);
+
+ _image_content = _canvas_decoration->getRootGroup()
+ ->createChild<sc::Image>("content");
+ _image_content->setSrcCanvas(content);
+
+ // Draw content on top of decoration
+ _image_content->set<int>("z-index", 1);
+ }
+
+ sc::GroupPtr group_decoration =
+ _canvas_decoration->getOrCreateGroup("decoration");
+ group_decoration->set<int>("tf/t[0]", shadow_radius);
+ group_decoration->set<int>("tf/t[1]", shadow_radius);
+ // TODO do we need clipping or shall we trust the decorator not to draw over
+ // the shadow?
+
+ simgear::CSSBorder::Offsets const border =
+ _decoration_border.getAbsOffsets(content_view);
+
+ int shad2 = 2 * shadow_radius,
+ outer_width = border.l + content_view.width() + border.r + shad2,
+ outer_height = border.t + content_view.height() + border.b + shad2;
+
+ _canvas_decoration->setSizeX( outer_width );
+ _canvas_decoration->setSizeY( outer_height );
+ _canvas_decoration->setViewWidth( outer_width );
+ _canvas_decoration->setViewHeight( outer_height );
+
+ set<int>("size[0]", outer_width - shad2);
+ set<int>("size[1]", outer_height - shad2);
+ set<int>("outset", shadow_radius);
+
+ assert(_image_content);
+ _image_content->set<int>("x", shadow_radius + border.l);
+ _image_content->set<int>("y", shadow_radius + border.t);
+ _image_content->set<int>("size[0]", content_view.width());
+ _image_content->set<int>("size[1]", content_view.height());
+
+ if( !shadow_radius )
+ {
+ if( _image_shadow )
+ {
+ _image_shadow->destroy();
+ _image_shadow.reset();
+ }
+ return;
+ }
+
+ int shadow_inset = std::max<int>(get<float>("shadow-inset") + 0.5, 0),
+ slice_width = shadow_radius + shadow_inset;
+
+ _image_shadow = _canvas_decoration->getRootGroup()
+ ->getOrCreateChild<sc::Image>("shadow");
+ _image_shadow->set<std::string>("file", "gui/images/shadow.png");
+ _image_shadow->set<float>("slice", 7);
+ _image_shadow->set<std::string>("fill", "#000000");
+ _image_shadow->set<float>("slice-width", slice_width);
+ _image_shadow->set<int>("size[0]", outer_width);
+ _image_shadow->set<int>("size[1]", outer_height);
+
+ // Draw shadow below decoration
+ _image_shadow->set<int>("z-index", -1);
}
} // namespace canvas
projects / flightgear.git / blobdiff