root/OpenSceneGraph/trunk/examples/osgwidgetbox/osgwidgetbox.cpp @ 9370

Revision 9370, 3.7 kB (checked in by robert, 6 years ago)

From Cedric Pinson and Jeremey Moles, Changes to OpenSceneGraph-osgWidget-dev branch.

Notes from Robert Osfield, Merged changes to OpenSceneGraph-osgWidget-dev r9367 (prior to my botched attempt at merged svn/trunk into the branch).

Line 
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 {
19    ColorWidget():
20    osgWidget::Widget("", 256.0f, 256.0f) {
21    }
22
23    bool mouseEnter(double, double, osgWidget::WindowManager*) {
24        addColor(-osgWidget::Color(0.4f, 0.4f, 0.4f, 0.0f));
25       
26        // osgWidget::warn() << "enter: " << getColor() << std::endl;
27
28        return true;
29    }
30
31    bool mouseLeave(double, double, osgWidget::WindowManager*) {
32        addColor(osgWidget::Color(0.4f, 0.4f, 0.4f, 0.0f));
33       
34        // osgWidget::warn() << "leave: " << getColor() << std::endl;
35       
36        return true;
37    }
38
39    bool mouseOver(double x, double y, osgWidget::WindowManager*) {
40        osgWidget::Color c = getImageColorAtPointerXY(x, y);
41
42        if(c.a() < 0.001f) {
43            // osgWidget::warn() << "Transparent Pixel: " << x << " " << y << std::endl;
44
45            return false;
46        }
47
48        return true;
49    }
50
51    bool keyUp(int key, int keyMask, osgWidget::WindowManager*) {
52        // osgWidget::warn() << "..." << key << " - " << keyMask << std::endl;
53
54        return true;
55    }
56};
57
58osgWidget::Box* createBox(const std::string& name, osgWidget::Box::BoxType bt) {
59    osgWidget::Box*    box     = new osgWidget::Box(name, bt, true);
60    osgWidget::Widget* widget1 = new osgWidget::Widget(name + "_widget1", 100.0f, 100.0f);
61    osgWidget::Widget* widget2 = new osgWidget::Widget(name + "_widget2", 100.0f, 100.0f);
62    osgWidget::Widget* widget3 = new ColorWidget();
63
64    widget1->setColor(0.3f, 0.3f, 0.3f, 1.0f);
65    widget2->setColor(0.6f, 0.6f, 0.6f, 1.0f);
66
67    widget3->setImage("osgWidget/natascha.png");
68    widget3->setTexCoord(0.0f, 0.0f, osgWidget::Widget::LOWER_LEFT);
69    widget3->setTexCoord(1.0f, 0.0f, osgWidget::Widget::LOWER_RIGHT);
70    widget3->setTexCoord(1.0f, 1.0f, osgWidget::Widget::UPPER_RIGHT);
71    widget3->setTexCoord(0.0f, 1.0f, osgWidget::Widget::UPPER_LEFT);
72
73    box->addWidget(widget1);
74    box->addWidget(widget2);
75    box->addWidget(widget3);
76
77    return box;
78}
79
80int main(int argc, char** argv) {
81    osgViewer::Viewer viewer;
82
83    osgWidget::WindowManager* wm = new osgWidget::WindowManager(
84        &viewer,
85        1280.0f,
86        1024.0f,
87        MASK_2D,
88        osgWidget::WindowManager::WM_PICK_DEBUG
89    );
90   
91    wm->setPointerFocusMode(osgWidget::WindowManager::PFM_SLOPPY);
92
93    osgWidget::Window* box1 = createBox("HBOX", osgWidget::Box::HORIZONTAL);
94    osgWidget::Window* box2 = createBox("VBOX", osgWidget::Box::VERTICAL);
95    osgWidget::Window* box3 = createBox("HBOX2", osgWidget::Box::HORIZONTAL);
96    osgWidget::Window* box4 = createBox("VBOX2", osgWidget::Box::VERTICAL);
97
98    box1->getBackground()->setColor(1.0f, 0.0f, 0.0f, 0.8f);
99    box1->attachMoveCallback();
100
101    box2->getBackground()->setColor(0.0f, 1.0f, 0.0f, 0.8f);
102    box2->attachMoveCallback();
103
104    box3->getBackground()->setColor(0.0f, 0.0f, 1.0f, 0.8f);
105    box3->attachMoveCallback();
106
107    wm->addChild(box1);
108    wm->addChild(box2);
109    wm->addChild(box3);
110    wm->addChild(box4);
111
112    box4->hide();
113
114    osg::Node* model = osgDB::readNodeFile("spaceship.osg");
115
116    model->setNodeMask(MASK_3D);
117
118    return osgWidget::createExample(viewer, wm, model);
119}
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