OpenSceneGraph/examples/osgwidgetstyled/osgwidgetstyled.cpp

// -*-c++-*- osgWidget - Code by: Jeremy Moles (cubicool) 2007-2008
// $Id: osgwidgetshader.cpp 28 2008-03-26 15:26:48Z cubicool $

#include <osgWidget/Util>
#include <osgWidget/WindowManager>
#include <osgWidget/StyleManager>
#include <osgWidget/Box>

const unsigned int MASK_2D = 0xF0000000;

const std::string& STYLE1 =
    "color 0 0 0 128\n"
    "padding 5\n"
;

const std::string& STYLE2 =
    "color 1.0 0.5 0.0\n"
;

const std::string& STYLE3 =
    "fill true\n"
;

const std::string& STYLE4 =
    "pos 100.0 100.0\n"
    "size 600 600\n"
;

class CustomStyled: public osgWidget::Widget {
};

class CustomStyle: public osgWidget::Style {
    virtual bool applyStyle(osgWidget::Widget* w, osgWidget::Reader r) {
        CustomStyled* cs = dynamic_cast<CustomStyled*>(w);

        if(!cs) return false;

        osgWidget::warn() << "Here, okay." << std::endl;

        return true;
    }
};

int main(int argc, char** argv) {
    osgViewer::Viewer viewer;

    osgWidget::WindowManager* wm = new osgWidget::WindowManager(
        &viewer,
        1280.0f,
        1024.0f,
        MASK_2D
    );

    osgWidget::Box* box = new osgWidget::Box("box", osgWidget::Box::VERTICAL);

    osgWidget::Widget* widget1 = new osgWidget::Widget("w1", 200.0f, 200.0f);
    osgWidget::Widget* widget2 = new osgWidget::Widget("w2", 100.0f, 100.0f);
    osgWidget::Widget* widget3 = new osgWidget::Widget("w3", 0.0f, 0.0f);
    CustomStyled*      cs      = new CustomStyled();

    // Yep.
    wm->getStyleManager()->addStyle(new osgWidget::Style("widget.style1", STYLE1));
    wm->getStyleManager()->addStyle(new osgWidget::Style("widget.style2", STYLE2));
    wm->getStyleManager()->addStyle(new osgWidget::Style("spacer", STYLE3));
    wm->getStyleManager()->addStyle(new osgWidget::Style("window", STYLE4));
    // wm->getStyleManager()->addStyle(new CustomStyle("widget", ""));

    widget1->setStyle("widget.style1");
    widget2->setStyle("widget.style2");
    widget3->setStyle("spacer");

    box->setStyle("window");

    box->addWidget(widget1);
    box->addWidget(widget2);
    box->addWidget(widget3);

    wm->addChild(box);

    // box->resizePercent(0.0f, 100.0f);

    return osgWidget::createExample(viewer, wm);
}