root/OpenSceneGraph/trunk/examples/osgwidgetbox/osgwidgetbox.cpp @ 13376

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[8588]1// -*-c++-*- osgWidget - Code by: Jeremy Moles (cubicool) 2007-2008
2// $Id: osgwidgetbox.cpp 59 2008-05-15 20:55:31Z cubicool $
3
4// NOTE: You'll find this example very similar to osgwidgetwindow. However, here we
5// demonstrate a bit of subclassing of Widget so that we can respond to events
6// such as mouseEnter and mouseLeave. We also demonstrate the use of padding, though
7// fill and alignment should be working too.
8
9#include <osg/io_utils>
10#include <osgDB/ReadFile>
11#include <osgWidget/Util>
12#include <osgWidget/WindowManager>
13#include <osgWidget/Box>
14
15const unsigned int MASK_2D = 0xF0000000;
16const unsigned int MASK_3D = 0x0F000000;
17
18struct ColorWidget: public osgWidget::Widget {
[9370]19    ColorWidget():
20    osgWidget::Widget("", 256.0f, 256.0f) {
[10779]21        setEventMask(osgWidget::EVENT_ALL);
[9370]22    }
[8588]23
[10779]24    bool mouseEnter(double, double, const osgWidget::WindowManager*) {
[9370]25        addColor(-osgWidget::Color(0.4f, 0.4f, 0.4f, 0.0f));
26       
27        // osgWidget::warn() << "enter: " << getColor() << std::endl;
[8588]28
[9370]29        return true;
30    }
[8588]31
[10779]32    bool mouseLeave(double, double, const osgWidget::WindowManager*) {
[9370]33        addColor(osgWidget::Color(0.4f, 0.4f, 0.4f, 0.0f));
34       
35        // osgWidget::warn() << "leave: " << getColor() << std::endl;
36       
37        return true;
38    }
[8588]39
[10779]40    bool mouseOver(double x, double y, const osgWidget::WindowManager*) {
[13376]41       
[9370]42        osgWidget::Color c = getImageColorAtPointerXY(x, y);
[8588]43
[9370]44        if(c.a() < 0.001f) {
45            // osgWidget::warn() << "Transparent Pixel: " << x << " " << y << std::endl;
[8588]46
[9370]47            return false;
48        }
49        return true;
50    }
[8588]51
[9370]52    bool keyUp(int key, int keyMask, osgWidget::WindowManager*) {
53        // osgWidget::warn() << "..." << key << " - " << keyMask << std::endl;
[8588]54
[9370]55        return true;
56    }
[8588]57};
58
[9289]59osgWidget::Box* createBox(const std::string& name, osgWidget::Box::BoxType bt) {
[9370]60    osgWidget::Box*    box     = new osgWidget::Box(name, bt, true);
61    osgWidget::Widget* widget1 = new osgWidget::Widget(name + "_widget1", 100.0f, 100.0f);
62    osgWidget::Widget* widget2 = new osgWidget::Widget(name + "_widget2", 100.0f, 100.0f);
63    osgWidget::Widget* widget3 = new ColorWidget();
[8588]64
[9370]65    widget1->setColor(0.3f, 0.3f, 0.3f, 1.0f);
66    widget2->setColor(0.6f, 0.6f, 0.6f, 1.0f);
[8588]67
[9370]68    widget3->setImage("osgWidget/natascha.png");
69    widget3->setTexCoord(0.0f, 0.0f, osgWidget::Widget::LOWER_LEFT);
70    widget3->setTexCoord(1.0f, 0.0f, osgWidget::Widget::LOWER_RIGHT);
71    widget3->setTexCoord(1.0f, 1.0f, osgWidget::Widget::UPPER_RIGHT);
72    widget3->setTexCoord(0.0f, 1.0f, osgWidget::Widget::UPPER_LEFT);
[8588]73
[9370]74    box->addWidget(widget1);
75    box->addWidget(widget2);
76    box->addWidget(widget3);
[8588]77
[9370]78    return box;
[8588]79}
80
81int main(int argc, char** argv) {
[9370]82    osgViewer::Viewer viewer;
[8588]83
[9370]84    osgWidget::WindowManager* wm = new osgWidget::WindowManager(
85        &viewer,
86        1280.0f,
87        1024.0f,
88        MASK_2D,
89        osgWidget::WindowManager::WM_PICK_DEBUG
90    );
91   
92    wm->setPointerFocusMode(osgWidget::WindowManager::PFM_SLOPPY);
[8588]93
[9370]94    osgWidget::Window* box1 = createBox("HBOX", osgWidget::Box::HORIZONTAL);
95    osgWidget::Window* box2 = createBox("VBOX", osgWidget::Box::VERTICAL);
96    osgWidget::Window* box3 = createBox("HBOX2", osgWidget::Box::HORIZONTAL);
97    osgWidget::Window* box4 = createBox("VBOX2", osgWidget::Box::VERTICAL);
[8588]98
[9370]99    box1->getBackground()->setColor(1.0f, 0.0f, 0.0f, 0.8f);
100    box1->attachMoveCallback();
[8588]101
[9370]102    box2->getBackground()->setColor(0.0f, 1.0f, 0.0f, 0.8f);
103    box2->attachMoveCallback();
[8588]104
[9370]105    box3->getBackground()->setColor(0.0f, 0.0f, 1.0f, 0.8f);
106    box3->attachMoveCallback();
[8588]107
[9370]108    wm->addChild(box1);
109    wm->addChild(box2);
110    wm->addChild(box3);
111    wm->addChild(box4);
[8588]112
[9370]113    box4->hide();
[8588]114
[12529]115    osg::Node* model = osgDB::readNodeFile("spaceship.osgt");
[8588]116
[9370]117    model->setNodeMask(MASK_3D);
[8588]118
[9370]119    return osgWidget::createExample(viewer, wm, model);
[8588]120}
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