void CL_TreeView_Silver::on_paint_node(CL_TreeNode *node, CL_Point &point)
{
CL_Component *component = node->get_component();
CL_Component *client_area = treeview->get_client_area();
int height = component->get_height();
int mid = (height) / 2;
// Should we draw decoration ?
bool draw_decoration = true;
if(node->is_root())
draw_decoration = node->get_treeview()->is_root_decoration_visible();
// Find what y offset we're drawing at
point.y -= scrollbar->get_value();
// Find what x offset we're drawing at
int x_offset = 0;
if(draw_decoration)
x_offset = 12;
int screen_x = client_area->get_screen_x();
int screen_y = client_area->get_screen_y();
// Is the node visible?
if (point.y + height >= 0 && point.y <= client_area->get_height())
{
if(draw_decoration)
{
// Draw collapse box
if(node->has_children())
{
CL_Display::draw_rect(
CL_Rect(
screen_x + point.x,
screen_y + point.y + mid - 5,
screen_x + point.x + 9,
screen_y + point.y + mid + 4),
CL_Color(128, 142, 159));
CL_Display::fill_rect(
CL_Rect(
screen_x + point.x + 1,
screen_y + point.y + mid - 4,
screen_x + point.x + 8,
screen_y + point.y + mid + 3),
CL_Gradient(
CL_Color::white,
CL_Color::white,
CL_Color(230, 235, 240),
CL_Color(230, 235, 240)));
CL_Display::fill_rect(
CL_Rect(
screen_x + point.x + 2,
screen_y + point.y + mid - 3,
screen_x + point.x + 7,
screen_y + point.y + mid + 2),
CL_Gradient(
CL_Color(217, 222, 227),
CL_Color(217, 222, 227),
CL_Color::white,
CL_Color::white));
// Horizontal line
CL_Display::draw_line(
screen_x + point.x + 2.0f,
screen_y + point.y + mid - 1.0f,
screen_x + point.x + 7.0f,
screen_y + point.y + mid - 1,
CL_Color::black);
// Vertical line
if(node->is_collapsed())
CL_Display::draw_line(
screen_x + point.x + 4.0f,
screen_y + point.y + mid - 3.0f,
screen_x + point.x + 4.0f,
screen_y + point.y + mid + 2.0f,
CL_Color::black);
}
}
// Size and place child component
component->set_position(point.x + x_offset, point.y);
node->set_placement_offset(point.x + x_offset);
// Draw component
component->show(true);
component->sig_begin_paint();
component->sig_paint()();
component->sig_end_paint();
}
else
{
component->show(false);
}
// Move down for next component
point.y += scrollbar->get_value();
point.y += height;
// If it has any children, adjust the x-position for the children
if(node->is_collapsed() == false)
point.x += 3 + x_offset;
}
void
WindowImpl::do_close()
{
parent->show(false);
}