int LTreeViewItem::mightContainSubItems ( lua_State* L ) {
if ( lua_type(L, 2) == LUA_TFUNCTION ) {
set("mightContainSubItems");
return 0;
}
else
return LUA::returnBoolean( mightContainSubItems() );
}
void LTreeViewItem::itemDoubleClicked( const MouseEvent& e ) {
if (! hasCallback("itemDoubleClicked") ) {
if (mightContainSubItems())
TreeViewItem::setOpen (! TreeViewItem::isOpen());
}
else
callback("itemDoubleClicked", 0, { new LRefBase("MouseEvent", &e) });
}
void TreeViewItem::paintRecursively (Graphics& g, int width)
{
jassert (ownerView != 0);
if (ownerView == 0)
return;
const int indent = getIndentX();
const int itemW = itemWidth < 0 ? width - indent : itemWidth;
{
Graphics::ScopedSaveState ss (g);
g.setOrigin (indent, 0);
if (g.reduceClipRegion (drawsInLeftMargin ? -indent : 0, 0,
drawsInLeftMargin ? itemW + indent : itemW, itemHeight))
paintItem (g, itemW, itemHeight);
}
g.setColour (ownerView->findColour (TreeView::linesColourId));
const float halfH = itemHeight * 0.5f;
int depth = 0;
TreeViewItem* p = parentItem;
while (p != 0)
{
++depth;
p = p->parentItem;
}
if (! ownerView->rootItemVisible)
--depth;
const int indentWidth = ownerView->getIndentSize();
if (depth >= 0 && ownerView->openCloseButtonsVisible)
{
float x = (depth + 0.5f) * indentWidth;
if (depth >= 0)
{
if (parentItem != 0 && parentItem->drawLinesInside)
g.drawLine (x, 0, x, isLastOfSiblings() ? halfH : (float) itemHeight);
if ((parentItem != 0 && parentItem->drawLinesInside)
|| (parentItem == 0 && drawLinesInside))
g.drawLine (x, halfH, x + indentWidth / 2, halfH);
}
p = parentItem;
int d = depth;
while (p != 0 && --d >= 0)
{
x -= (float) indentWidth;
if ((p->parentItem == 0 || p->parentItem->drawLinesInside)
&& ! p->isLastOfSiblings())
{
g.drawLine (x, 0, x, (float) itemHeight);
}
p = p->parentItem;
}
if (mightContainSubItems())
{
Graphics::ScopedSaveState ss (g);
g.setOrigin (depth * indentWidth, 0);
g.reduceClipRegion (0, 0, indentWidth, itemHeight);
paintOpenCloseButton (g, indentWidth, itemHeight,
static_cast <TreeViewContentComponent*> (ownerView->viewport->getViewedComponent())
->isMouseOverButton (this));
}
}
if (isOpen())
{
const Rectangle<int> clip (g.getClipBounds());
for (int i = 0; i < subItems.size(); ++i)
{
TreeViewItem* const ti = subItems.getUnchecked(i);
const int relY = ti->y - y;
if (relY >= clip.getBottom())
break;
if (relY + ti->totalHeight >= clip.getY())
{
Graphics::ScopedSaveState ss (g);
g.setOrigin (0, relY);
if (g.reduceClipRegion (0, 0, width, ti->totalHeight))
ti->paintRecursively (g, width);
}
}
}
}
void TreeViewItem::itemDoubleClicked (const MouseEvent&)
{
if (mightContainSubItems())
setOpen (! isOpen());
}
