void printHelpGroup(int nXLocation, int* pnYLocation, const char* csGroup)
{
int nYLocation = *pnYLocation;
unsigned char aKeys[20];
const char* aDescs[20];
int nCount;
getGroupItems(csGroup, aKeys, aDescs, &nCount);
glColor3f(0, 1, 0);
glRasterPos2i(nXLocation, nYLocation);
glPrintString(GLUT_BITMAP_TIMES_ROMAN_24, csGroup);
nYLocation += 30;
for (int i = 0; i < nCount; ++i, nYLocation += 22)
{
char buf[256];
switch (aKeys[i])
{
case 27:
sprintf(buf, "Esc");
break;
default:
sprintf(buf, "%c", aKeys[i]);
break;
}
glColor3f(1, 0, 0);
glRasterPos2i(nXLocation, nYLocation);
glPrintString(GLUT_BITMAP_HELVETICA_18, buf);
glRasterPos2i(nXLocation + 40, nYLocation);
glPrintString(GLUT_BITMAP_HELVETICA_18, aDescs[i]);
}
*pnYLocation = nYLocation + 20;
}
void printHelpGroup(int nXLocation, int* pnYLocation, const char* csGroup)
{
int nYLocation = *pnYLocation;
int aSpecialKeys[20];
unsigned char aKeys[20];
const char* aDescs[20];
int nSpecialCount,nCount;
getGroupItems(csGroup, aSpecialKeys, aKeys, aDescs, &nSpecialCount, &nCount);
glColor3f(0, 1, 0);
glRasterPos2i(nXLocation, nYLocation);
glPrintString(GLUT_BITMAP_TIMES_ROMAN_24, csGroup);
nYLocation += 30;
for (int i = 0; i < (nSpecialCount + nCount); ++i, nYLocation += 22)
{
char buf[256];
XnUInt32 nWritten;
if(i < nSpecialCount)
{
switch (aSpecialKeys[i])
{
case GLUT_KEY_LEFT:
xnOSStrFormat(buf, sizeof(buf), &nWritten, "Left"); break;
case GLUT_KEY_RIGHT:
xnOSStrFormat(buf, sizeof(buf), &nWritten, "Right"); break;
case GLUT_KEY_UP:
xnOSStrFormat(buf, sizeof(buf), &nWritten, "Up"); break;
case GLUT_KEY_DOWN:
xnOSStrFormat(buf, sizeof(buf), &nWritten, "Down"); break;
default:
xnOSStrFormat(buf, sizeof(buf), &nWritten, "[0x%2x]", aSpecialKeys[i]); break;
}
}
else
{
int j = i - nSpecialCount;
switch (aKeys[j])
{
case 27:
xnOSStrFormat(buf, sizeof(buf), &nWritten, "Esc"); break;
case ' ':
xnOSStrFormat(buf, sizeof(buf), &nWritten, "Space"); break;
default:
xnOSStrFormat(buf, sizeof(buf), &nWritten, "%c", aKeys[j]);
break;
}
}
glColor3f(1, 0, 0);
glRasterPos2i(nXLocation, nYLocation);
glPrintString(GLUT_BITMAP_HELVETICA_18, buf);
glRasterPos2i(nXLocation + 50, nYLocation);
glPrintString(GLUT_BITMAP_HELVETICA_18, aDescs[i]);
}
*pnYLocation = nYLocation + 20;
}
