void UIDrag::HandleUpdate(StringHash eventType, VariantMap& eventData)
{
auto* ui = GetSubsystem<UI>();
UIElement* root = ui->GetRoot();
auto* input = GetSubsystem<Input>();
unsigned n = input->GetNumTouches();
for (unsigned i = 0; i < n; i++)
{
Text* t = (Text*)root->GetChild("Touch " + String(i));
TouchState* ts = input->GetTouch(i);
t->SetText("Touch " + String(ts->touchID_));
IntVector2 pos = ts->position_;
pos.y_ -= 30;
t->SetPosition(pos);
t->SetVisible(true);
}
for (unsigned i = n; i < 10; i++)
{
Text* t = (Text*)root->GetChild("Touch " + String(i));
t->SetVisible(false);
}
if (input->GetKeyPress(KEY_SPACE))
{
PODVector<UIElement*> elements;
root->GetChildrenWithTag(elements, "SomeTag");
for (PODVector<UIElement*>::ConstIterator i = elements.Begin(); i != elements.End(); ++i)
{
UIElement* element = *i;
element->SetVisible(!element->IsVisible());
}
}
}
void UIDrag::CreateGUI()
{
ResourceCache* cache = GetSubsystem<ResourceCache>();
UI* ui = GetSubsystem<UI>();
UIElement* root = ui->GetRoot();
// Load the style sheet from xml
root->SetDefaultStyle(cache->GetResource<XMLFile>("UI/DefaultStyle.xml"));
for (int i=0; i < 10; i++)
{
Button* b = new Button(context_);
root->AddChild(b);
// Reference a style from the style sheet loaded earlier:
b->SetStyle("Button");
b->SetSize(300, 100);
b->SetPosition(IntVector2(50*i, 50*i));
if (i % 2 == 0)
b->AddTag("SomeTag");
SubscribeToEvent(b, E_DRAGMOVE, URHO3D_HANDLER(UIDrag, HandleDragMove));
SubscribeToEvent(b, E_DRAGBEGIN, URHO3D_HANDLER(UIDrag, HandleDragBegin));
SubscribeToEvent(b, E_DRAGCANCEL, URHO3D_HANDLER(UIDrag, HandleDragCancel));
SubscribeToEvent(b, E_DRAGEND, URHO3D_HANDLER(UIDrag, HandleDragEnd));
{
Text* t = new Text(context_);
b->AddChild(t);
t->SetStyle("Text");
t->SetHorizontalAlignment(HA_CENTER);
t->SetVerticalAlignment(VA_CENTER);
t->SetName("Text");
}
{
Text* t = new Text(context_);
b->AddChild(t);
t->SetStyle("Text");
t->SetName("Event Touch");
t->SetHorizontalAlignment(HA_CENTER);
t->SetVerticalAlignment(VA_BOTTOM);
}
{
Text* t = new Text(context_);
b->AddChild(t);
t->SetStyle("Text");
t->SetName("Num Touch");
t->SetHorizontalAlignment(HA_CENTER);
t->SetVerticalAlignment(VA_TOP);
}
}
for (int i = 0; i < 10; i++)
{
Text* t = new Text(context_);
root->AddChild(t);
t->SetStyle("Text");
t->SetName("Touch "+ String(i));
t->SetVisible(false);
}
}