示例#1
0
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());
        }
    }
}
示例#2
0
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);
    }
}