void parseSpecialKey(int key, int x, int y)
{
FTSimpleLayout *l = NULL;
// If the currentLayout is a SimpleLayout store a pointer in l
if(layouts[currentLayout]
&& (dynamic_cast <FTSimpleLayout *>(layouts[currentLayout])))
{
l = (FTSimpleLayout *)layouts[currentLayout];
}
switch (key)
{
case GLUT_KEY_UP:
current_font = (GetFace()*NumStyles + (current_font + 1)%NumStyles)%totalFonts;
break;
case GLUT_KEY_DOWN:
current_font = (GetFace()*NumStyles + (current_font + NumStyles - 1)%NumStyles)%totalFonts;
break;
case GLUT_KEY_LEFT:
fonts[current_font]->FaceSize(fonts[current_font]->FaceSize() - 1);
break;
case GLUT_KEY_RIGHT:
fonts[current_font]->FaceSize(fonts[current_font]->FaceSize() + 1);
break;
case GLUT_KEY_PAGE_UP:
current_font = (current_font + NumStyles)%totalFonts;
break;
case GLUT_KEY_PAGE_DOWN:
current_font = (current_font + totalFonts - NumStyles)%totalFonts;
break;
case GLUT_KEY_HOME:
currentLayout = (currentLayout + 1)%NumLayouts;
break;
case GLUT_KEY_END:
currentLayout = (currentLayout + NumLayouts - 1)%NumLayouts;
break;
case GLUT_KEY_F1:
case GLUT_KEY_F10:
// If the current layout is simple decrement its line length
if (l) l->SetLineLength(l->GetLineLength() - 10.0f);
break;
case GLUT_KEY_F2:
case GLUT_KEY_F11:
// If the current layout is simple increment its line length
if (l) l->SetLineLength(l->GetLineLength() + 10.0f);
break;
}
// If the current layout is a SimpleLayout, update its font.
if(l)
{
l->SetFont(fonts[current_font]);
}
glutPostRedisplay();
}
