//----------------------------------------------------------------------------//
void FalagardListView::createRenderGeometry(ListView* list_view)
{
Rectf items_area(getViewRenderArea());
glm::vec2 item_pos(getItemRenderStartPosition(list_view, items_area));
for (size_t i = 0; i < list_view->getItems().size(); ++i)
{
ListViewItemRenderingState* item = list_view->getItems().at(i);
RenderedString& rendered_string = item->d_string;
Sizef size(item->d_size);
size.d_width = std::max(items_area.getWidth(), size.d_width);
Rectf item_rect;
item_rect.left(item_pos.x);
item_rect.top(item_pos.y);
item_rect.setSize(size);
if (!item->d_icon.empty())
{
Image& img = ImageManager::getSingleton().get(item->d_icon);
Rectf icon_rect(item_rect);
icon_rect.setWidth(size.d_height);
icon_rect.setHeight(size.d_height);
Rectf icon_clipper(icon_rect.getIntersection(items_area));
ImageRenderSettings renderSettings(
icon_rect, &icon_clipper,
true, ICON_COLOUR_RECT, 1.0f);
auto imgGeomBuffers = img.createRenderGeometry(renderSettings);
list_view->appendGeometryBuffers(imgGeomBuffers);
item_rect.left(item_rect.left() + icon_rect.getWidth());
}
Rectf item_clipper(item_rect.getIntersection(items_area));
createRenderGeometryAndAddToItemView(list_view, rendered_string, item_rect,
list_view->getFont(), &item_clipper, item->d_isSelected);
item_pos.y += size.d_height;
}
}
//----------------------------------------------------------------------------//
void FalagardTreeView::renderTreeItem(TreeView* tree_view, const Rectf& items_area,
glm::vec2& item_pos, const TreeViewItemRenderingState* item_to_render,
size_t depth)
{
float expander_margin = tree_view->getSubtreeExpanderMargin();
for (size_t i = 0; i < item_to_render->d_renderedChildren.size(); ++i)
{
TreeViewItemRenderingState* item = item_to_render->d_renderedChildren.at(i);
RenderedString& rendered_string = item->d_string;
Sizef size(item->d_size);
// center the expander compared to the item's height
float half_diff = (size.d_height - d_subtreeExpanderImagerySize.d_height) / 2.0f;
size.d_width = ceguimax(items_area.getWidth(), size.d_width);
float indent = d_subtreeExpanderImagerySize.d_width + expander_margin * 2;
if (item->d_totalChildCount > 0)
{
const ImagerySection* section = item->d_subtreeIsExpanded
? d_subtreeCollapserImagery : d_subtreeExpanderImagery;
Rectf button_rect;
button_rect.left(item_pos.x + expander_margin);
button_rect.top(item_pos.y +
(half_diff > 0 ? half_diff : 0));
button_rect.setSize(d_subtreeExpanderImagerySize);
Rectf button_clipper(button_rect.getIntersection(items_area));
section->render(*tree_view, button_rect, 0, &button_clipper);
indent = button_rect.getWidth() + expander_margin * 2;
}
Rectf item_rect;
item_rect.left(item_pos.x + indent);
item_rect.top(item_pos.y + (half_diff < 0 ? -half_diff : 0));
item_rect.setSize(size);
if (!item->d_icon.empty())
{
Image& img = ImageManager::getSingleton().get(item->d_icon);
Rectf icon_rect(item_rect);
icon_rect.setWidth(size.d_height);
icon_rect.setHeight(size.d_height);
Rectf icon_clipper(icon_rect.getIntersection(items_area));
img.render(tree_view->getGeometryBuffers(), icon_rect, &icon_clipper,
true, ICON_COLOUR_RECT, 1.0f);
item_rect.left(item_rect.left() + icon_rect.getWidth());
}
Rectf item_clipper(item_rect.getIntersection(items_area));
renderString(tree_view, rendered_string, item_rect,
tree_view->getFont(), &item_clipper, item->d_isSelected);
item_pos.y += ceguimax(size.d_height, d_subtreeExpanderImagerySize.d_height);
if (item->d_renderedChildren.empty())
continue;
item_pos.x += indent;
if (item->d_subtreeIsExpanded)
{
renderTreeItem(tree_view, items_area, item_pos, item, depth + 1);
}
item_pos.x -= indent;
}
}
