MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
{
setWindowTitle("Model/View example");
setupModelView();
QAction *openAction = new QAction(tr("&Open"), this);
QAction *quitAction = new QAction(tr("E&xit"), this);
QMenu *fileMenu = new QMenu(tr("&File"), this);
fileMenu->addAction(openAction);
fileMenu->addAction(quitAction);
menuBar()->addMenu(fileMenu);
connect(openAction, SIGNAL(triggered()), this, SLOT(selectOpenFile()));
connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
setCentralWidget(view);
}
/////////////////////////////////////////////////////////////////////////////
// CObjectView interaction
void CObjectView::OnLButtonDown(UINT nFlags, CPoint point)
{
if (mode == POINT){
selID = -1;
SELECT_CONTEXT();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// setup select mode
GLuint selBuf[1024];
glSelectBuffer(1024, selBuf);
glRenderMode(GL_SELECT);
glInitNames();
glPushName(~0);
// save projection matrix
glMatrixMode(GL_PROJECTION);
glPushMatrix();
setupPerspective(true, point.x, point.y);
glMatrixMode(GL_MODELVIEW);
setupModelView();
// draw scene for selection
drawObject(true);
int sI = glRenderMode(GL_RENDER);
if (sI){
// find closest hit
/* GLint minZ = 1000000;
for (int l = 0; l < sI; l++){
GLint z = selBuf[4*l+1];
if (z < minZ){
minZ = z;
selID = selBuf[4*l+3];
}
}*/
selID = selBuf[4*(sI-1)+3];
TRACE("selID = %d\n", selID);
clearDisplayList();
InvalidateRect(NULL);
}
else{
selID = -1;
TRACE("No Hit\n");
clearDisplayList();
InvalidateRect(NULL);
}
// restore matrix
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
UNSELECT_CONTEXT();
}
else if (mode != ZOOM){
// record starting point and hook mouse
lastPt = point;
SetCapture();
RedrawWindow();
}
else{
scale *= 2.0f; // zoom in
RedrawWindow();
}
CView ::OnLButtonDown(nFlags, point);
}
void CObjectView::drawScene(GLint *dList, GLuint tex){
// erase background
glClearColor(bkCol[0], bkCol[1], bkCol[2], 1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
// setup state
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
// setup lighting (can do after modelview if wanted to move with object)
glMatrixMode(GL_MODELVIEW);
glLoadMatrixf(mL);
GLfloat lightPos[] = {1.0f, 1.0f, 1.0f, 0.0f};
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
GLfloat spec[] = {1.0f, 1.0f, 1.0f, 1.0f};
glLightfv(GL_LIGHT0, GL_SPECULAR, spec);
glEnable(GL_LIGHT0);
glEnable(GL_LIGHTING);
setupModelView();
// draw object
if (dList && glIsList(*dList))
glCallList(*dList);
else{
if (dList){
*dList = glGenLists(1);
glNewList(*dList, GL_COMPILE_AND_EXECUTE);
}
/*
// texturing & color
if (glIsTexture(tex)){
glBindTexture(GL_TEXTURE_2D, tex);
glEnable(GL_TEXTURE_2D);
}
else{
glDisable(GL_TEXTURE_2D);
}
if (hilite > 0){
float e = 128.0 - hilite*128.0/100.0;
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, e);
float spec[4];
spec[0] = spec[1] = spec[2] = shine/100.0;
spec[3] = 1.0;
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, spec);
}
else{
float spec[] = {0.0, 0.0, 0.0, 0.0};
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, spec); // fully non specular
}
*/
glEnable(GL_COLOR_MATERIAL);
glColor3f(col[0], col[1], col[2]);
drawObject(false);
if (dList)
glEndList();
}
drawExtraObjects();
}
