/// handy function for creating a buffer of any type - mn and mx will be cast from float or just ignored,
/// whatever is appropriate for the type.
static RawDataBuffer *createVar(int type, const char *s, int size,float mn=0,float mx=1){
switch(type){
case T_NAMEFLOAT:
if(DataManager::findFloatBuffer(s))
throw Exception(tok.getline()).set("variable %s already exists",s);
else {
printf("Adding var %s, size %d, range (%f,%f)\n",s,size,mn,mx);
return DataManager::createFloatBuffer(s,size,mn,mx);
}
break;
default:
throw ParseException(&tok).set("unsupported type for variable %s",s);
}
return NULL;
}
DataBuffer<float> *ConfigManager::parseFloatSource(){
DataBuffer<float> *b;
char buf[256];
switch(tok.getnext()){
case T_VAR:
tok.getnextident(buf);
b = DataManager::findFloatBuffer(buf);
if(!b)
throw ParseException(&tok).set("undefined variable '%s'",buf);
break;
case T_EXPR:
tok.getnextstring(buf);
// OK, we're going to lose a reference to this, but such is life.
// In this version we never delete expressions anyway.
try {
b = (new Expression(buf))->buffer;
} catch(Exception& e){
throw Exception(e,tok.getline());
}
// now parse the extra bits
tok.getnextcheck(T_RANGE);
float mn,mx;
switch(tok.getnext()){
case T_INT:
case T_FLOAT:
mn = tok.getfloat();
tok.getnextcheck(T_TO);
mx = tok.getnextfloat();
b->setMinMax(mn,mx);
break;
case T_AUTO:
b->setAutoRange();
break;
default:
throw UnexpException(&tok,"expected number or 'auto'");
}
break;
default:
throw UnexpException(&tok,"'var' or 'expr'");
}
return b;
}
static void parseWindow(){
// option defaults
bool fullScreen = false; // should it be fullscreen?
bool disabled = false;
// what size? (default is fit around widgets. Ignored for fullscreen.)
int width=-1,height=-1;
// if set, move the window to a screen of the given dimensions
int swidth=-1,sheight=-1;
// title if any
char title[256];
// "tab" number - used to generate a shortcut to pull this window
// to the front
int number=-1;
title[0]=0;
int screensetline=-1;
// set this window to not inverse
ConfigManager::inverse=false;
// get window options
bool done = false;
while(!done){
switch(tok.getnext()){
case T_OCURLY:
done = true;
break;
case T_TITLE:
tok.getnextstring(title);
break;
case T_NUMBER:
number = tok.getnextint();
break;
case T_INVERSE:
ConfigManager::inverse=true;
break;
case T_FULLSCREEN:
fullScreen = true;
break;
case T_SIZE: // size of window if not fullscreen
width = tok.getnextint();
tok.getnextcheck(T_COMMA);
height = tok.getnextint();
break;
case T_SCREEN: // move to a screen of given dimensions
swidth = tok.getnextint();
tok.getnextcheck(T_COMMA);
screensetline = tok.getline();
sheight = tok.getnextint();
break;
case T_DISABLE: // the window is disabled and should be immediately closed
disabled=true;
break;
}
}
// create a window
Window *w = getApp()->createWindow();
if(number>=0)
getApp()->setWindowKey(number,w);
ConfigManager::setStyle(w);
// and parse the contents
parseContainer(w->centralWidget());
if(*title){
w->setWindowTitle(title);
}
// move the window if we want to
if(swidth>0){
QDesktopWidget *dt = QApplication::desktop();
QRect r;
int i;
for(i=0;i<dt->screenCount();i++){
r = dt->screenGeometry(i);
printf("Found display : %d x %d\n",r.width(),r.height());
if(r.width() == swidth && r.height()==sheight)
break;
}
if(i==dt->screenCount())
throw Exception(screensetline).set("could not find display of %d x %d",swidth,sheight);
w->move(r.topLeft());
}
// finally show the window and resize if required
if(disabled){
w->hide(); // marked "disabled" in the config
} else {
w->setWindowState(Qt::WindowActive);
w->raise();
w->activateWindow();
if(fullScreen){
w->showFullScreen();
} else {
if(width>0)
w->resize(width,height);
w->showNormal();
}
}
}
