119 lines
3.3 KiB
C++
119 lines
3.3 KiB
C++
// -*-c++-*- osgWidget - Code by: Jeremy Moles (cubicool) 2007-2008
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// $Id: osgwidgetcanvas.cpp 33 2008-04-04 19:03:12Z cubicool $
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#include <osgWidget/Util>
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#include <osgWidget/WindowManager>
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#include <osgWidget/Canvas>
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const unsigned int MASK_2D = 0xF0000000;
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bool colorWidgetEnter(osgWidget::Event& event) {
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event.getWidget()->addColor(0.5f, 0.2f, 0.3f, 0.0f);
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// osgWidget::warn() << "WIDGET mouseEnter " << event.getWidget()->getName() << std::endl;
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return true;
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}
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bool colorWidgetLeave(osgWidget::Event& event) {
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event.getWidget()->addColor(-0.5f, -0.2f, -0.3f, 0.0f);
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// osgWidget::warn() << "WIDGET mouseLeave" << std::endl;
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return true;
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}
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bool windowMouseOver(osgWidget::Event& event) {
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osgWidget::XYCoord xy = event.getWindow()->localXY(event.x, event.y);
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// osgWidget::warn() << "WINDOW " << xy.x() << " - " << xy.y() << std::endl;
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return true;
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}
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bool widgetMouseOver(osgWidget::Event& event) {
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osgWidget::XYCoord xy = event.getWidget()->localXY(event.x, event.y);
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// osgWidget::warn() << "WIDGET mouseOver " << xy.x() << " - " << xy.y() << std::endl;
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return true;
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}
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osgWidget::Widget* createWidget(
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const std::string& name,
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osgWidget::color_type col,
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osgWidget::Widget::Layer layer
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) {
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osgWidget::Widget* widget = new osgWidget::Widget(name, 200.0f, 200.0f);
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widget->setEventMask(osgWidget::EVENT_ALL);
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widget->addCallback(osgWidget::Callback(&colorWidgetEnter, osgWidget::EVENT_MOUSE_PUSH));
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widget->addCallback(osgWidget::Callback(&colorWidgetLeave, osgWidget::EVENT_MOUSE_RELEASE));
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widget->addCallback(osgWidget::Callback(&colorWidgetEnter, osgWidget::EVENT_MOUSE_ENTER));
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widget->addCallback(osgWidget::Callback(&colorWidgetLeave, osgWidget::EVENT_MOUSE_LEAVE));
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widget->addCallback(osgWidget::Callback(&widgetMouseOver, osgWidget::EVENT_MOUSE_OVER));
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widget->setColor(col, col, col, 0.5f);
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widget->setLayer(layer);
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return widget;
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}
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int main(int argc, char** argv) {
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osgViewer::Viewer viewer;
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osgWidget::WindowManager* wm = new osgWidget::WindowManager(
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&viewer,
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1280.0f,
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1024.0f,
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MASK_2D,
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osgWidget::WindowManager::WM_PICK_DEBUG
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);
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osgWidget::Canvas* canvas = new osgWidget::Canvas("canvas");
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canvas->addCallback(osgWidget::Callback(&windowMouseOver, osgWidget::EVENT_MOUSE_OVER));
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canvas->attachMoveCallback();
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canvas->attachRotateCallback();
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canvas->attachScaleCallback();
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canvas->addWidget(
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createWidget("w1", 0.2f, osgWidget::Widget::LAYER_LOW),
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0.0f,
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0.0f
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);
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canvas->addWidget(
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createWidget("w2", 0.4f, osgWidget::Widget::LAYER_MIDDLE),
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200.0f,
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0.0f
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);
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canvas->addWidget(
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createWidget("w3", 0.6f, osgWidget::Widget::LAYER_HIGH),
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400.0f,
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0.0f
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);
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// Add a child and then resize it relatively to the size of the parent Window.
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osgWidget::Widget* relWidget = new osgWidget::Widget("relative");
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relWidget->setLayer(osgWidget::Widget::LAYER_LOW, 1);
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relWidget->setCoordinateMode(osgWidget::Widget::CM_RELATIVE);
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relWidget->setSize(0.2f, 0.2f);
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relWidget->setColor(0.5f, 0.5f, 0.1f, 0.9f);
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osgWidget::warn() << canvas->getWidth() << std::endl;
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canvas->addWidget(relWidget, 0.4f, 0.4f);
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relWidget->addOrigin(0.1f, 0.1f);
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relWidget->addSize(0.2f, 0.2f);
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canvas->resize();
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// Finally, add the whole thing to the WindowManager.
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wm->addChild(canvas);
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return osgWidget::createExample(viewer, wm);
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}
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