root/OpenSceneGraph/trunk/examples/osgwidgetbox/osgwidgetbox.cpp @ 9289

Revision 9289, 3.5 kB (checked in by robert, 5 years ago)

From Jeremy Moles, updates to osgwidget examples.

Merged by Robert Osfield from OpenSceneGraph-osgWidget-dev

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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