/**
Initialize CBParser given an input block and a set of rules in a C string.
Returns index of rule block.
*/
UIndex cbp_beginParseStr( UThread* ut, CBParser* cbp, const UBuffer* input,
const char* rules, int rulesLen )
{
UCell tmp;
UIndex ruleN = ur_tokenize( ut, rules, rules + rulesLen, &tmp );
assert( ruleN );
cbp_beginParse( ut, cbp, input->ptr.cell, input->ptr.cell + input->used,
ruleN );
return ruleN;
}
/*
Layout Language
\return Layout pointer or zero if error generated.
*/
QLayout* ur_qtLayout( UThread* ut, LayoutInfo& parent, const UCell* blkC )
{
CBParser cbp;
UBlockIter bi;
LayoutInfo lo;
const UCell* val;
const UCell* setWord = 0;
QWidget* wid = 0;
int match;
ur_blkSlice( ut, &bi, blkC );
cbp_beginParse( ut, &cbp, bi.it, bi.end, qEnv.layoutRules );
while( (match = cbp_matchRule( &cbp )) > -1 )
{
switch( match )
{
case LD_HBOX:
case LD_VBOX:
{
wid = 0;
lo.grid = 0;
lo.box = new QBoxLayout( (match == LD_HBOX) ?
QBoxLayout::LeftToRight :
QBoxLayout::TopToBottom );
if( parent.layout() )
parent.addLayout( lo.box );
val = cbp.values + 1;
//TODO: Handle error.
ur_qtLayout( ut, lo, val );
}
break;
case LD_LABEL:
{
QString txt;
if( ! getString( ut, cbp.values + 1, txt ) )
return 0;
MAKE_WIDGET( SLabel )
pw->setText( txt );
}
break;
case LD_BUTTON:
{
MAKE_WIDGET( SButton )
pw->setText( qstring( cbp.values + 1 ) );
pw->setBlock( cbp.values + 2 );
}
break;
case LD_CHECKBOX:
{
MAKE_WIDGET( SCheck )
pw->setText( qstring( cbp.values + 1 ) );
}
break;
case LD_SPIN_BOX:
{
MAKE_WIDGET( SSpinBox )
pw->setRange( ur_int( cbp.values + 1 ),
ur_int( cbp.values + 2 ) );
}
break;
case LD_COMBO:
{
MAKE_WIDGET( SCombo )
val = cbp.values + 1;
if( ur_is(val, UT_GETWORD) )
{
if( ! (val = ur_wordCell( ut, val )) )
return 0;
}
if( ur_is(val, UT_BLOCK) )
{
UBlockIter bi2;
ur_blkSlice( ut, &bi2, val );
ur_foreach( bi2 )
{
if( ur_is(bi2.it, UT_STRING) )
pw->addItem( qstring( bi2.it ) );
}
}
else
{
pw->addItem( qstring( val ) );
}
}
break;
case LD_SPACER:
if( ! parent.box )
goto no_layout;
parent.box->addStretch( 1 );
break;
case LD_SPACE:
if( ! parent.box )
goto no_layout;
val = cbp.values + 1;
parent.box->addSpacing( ur_int(val) );
break;
case LD_TAB:
{
MAKE_WIDGET( STabWidget )
if( ! tabWidgetBlock( ut, pw, cbp.values + 1 ) )
return 0;
}
break;
case LD_TIP:
if( wid )
wid->setToolTip( qstring(cbp.values + 1) );
break;
case LD_TITLE:
if( qEnv.curWidget )
{
QString str;
if( ! getString( ut, cbp.values + 1, str ) )
return 0;
qEnv.curWidget->setWindowTitle( str );
}
break;
case LD_RESIZE:
if( qEnv.curWidget )
{
val = cbp.values + 1;
qEnv.curWidget->resize( val->coord.n[0], val->coord.n[1] );
}
break;
case LD_LINE_EDIT_STR:
case LD_LINE_EDIT:
{
MAKE_WIDGET( SLineEdit )
if( match == LD_LINE_EDIT_STR )
pw->setText( qstring( cbp.values + 1 ) );
}
break;
case LD_LIST:
{
const UCell* hdr = cbp.values + 1;
if( ur_is(hdr, UT_GETWORD) )
{
if( ! (hdr = ur_wordCell( ut, hdr )) )
return 0;
}
val = cbp.values + 2;
if( ur_is(val, UT_GETWORD) )
{
if( ! (val = ur_wordCell( ut, val )) )
return 0;
}
MAKE_WIDGET( STreeView )
pw->setRootIsDecorated( false );
pw->setModel( new UTreeModel( pw, hdr, val ) );
}
break;
case LD_TEXT_EDIT_STR:
case LD_TEXT_EDIT:
{
MAKE_WIDGET( STextEdit )
if( match == LD_TEXT_EDIT_STR )
{
QString str;
if( ! getString( ut, cbp.values + 1, str ) )
return 0;
if( str[0] == '<' )
pw->setHtml( str );
else
pw->setPlainText( str );
}
}
break;
case LD_GROUP:
case LD_GROUP_CHECKABLE:
{
MAKE_WIDGET( SGroup )
val = cbp.values + 1;
if( match == LD_GROUP_CHECKABLE )
{
const UCell* enabled;
if( ! (enabled = ur_wordCell( ut, val )) )
return 0;
pw->setCheckable( true );
pw->setChecked( ur_isTrue( enabled ) );
++val;
}
pw->setTitle( qstring( val ) );
++val;
LayoutInfo lo2;
QLayout* lr2 = ur_qtLayout(ut, lo2, val);
if( ! lr2 )
return 0;
pw->setLayout( lr2 );
}
break;
case LD_READ_ONLY:
if( wid )
{
QTextEdit* tedit = qobject_cast<QTextEdit*>( wid );
if( tedit )
tedit->setReadOnly( true );
}
break;
case LD_ON_EVENT:
if( qEnv.curWidget )
{
SWidget* sw = qobject_cast<SWidget*>( qEnv.curWidget );
if( sw )
sw->setEventBlock( cbp.values + 1 );
}
break;
case LD_STRING:
if( wid )
{
SCombo* combo = qobject_cast<SCombo*>( wid );
if( combo )
{
combo->addItem( qstring( cbp.values ) );
break;
}
QTextEdit* texted = qobject_cast<QTextEdit*>( wid );
if( texted )
{
QString str;
cellToQString( cbp.values, str );
if( str[0] == '<' )
texted->setHtml( str );
else
texted->setPlainText( str );
}
}
break;
case LD_BLOCK:
if( wid )
{
SCombo* combo = qobject_cast<SCombo*>( wid );
if( combo )
{
combo->setBlock( cbp.values );
break;
}
STreeView* tree = qobject_cast<STreeView*>( wid );
if( tree )
{
tree->setBlock( cbp.values );
break;
}
}
break;
case LD_SET_WORD:
setWord = cbp.values;
break;
case LD_GRID:
val = cbp.values + 1;
wid = 0;
lo.box = 0;
lo.grid = new QGridLayout;
lo.columns = ur_int(val);
lo.colN = 0;
lo.rowN = 0;
if( parent.layout() )
parent.addLayout( lo.grid );
++val;
//TODO: Handle error.
ur_qtLayout( ut, lo, val );
break;
case LD_PROGRESS:
{
MAKE_WIDGET( SProgress )
pw->setRange( 0, ur_int(cbp.values+1) );
}
break;
case LD_WEIGHT:
if( parent.box && wid )
{
parent.box->setStretchFactor(wid, ur_int(cbp.values+1));
}
break;
}
}
