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Add layer size, make layers API more flexible

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This commit is contained in:
uramer 2022-03-22 17:59:53 +01:00
parent 4be1e3deb1
commit 5d1fe6c2bc
4 changed files with 135 additions and 62 deletions
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87
components/lua_ui/layers.hpp
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@ -6,50 +6,63 @@
#include <MyGUI_LayerManager.h>
#include <MyGUI_OverlappedLayer.h>
#include <osg/Vec2f>
namespace LuaUi
{
namespace Layers
// this wrapper is necessary, because the MyGUI LayerManager
// stores layers in a vector and their indices could change
class Layer
{
struct Options {
bool mInteractive;
};
public:
Layer(size_t index)
: mName(at(index)->getName())
, mCachedIndex(index)
{}
size_t size()
{
return MyGUI::LayerManager::getInstance().getLayerCount();
}
std::string at(size_t index)
{
if (index >= size())
throw std::logic_error("Invalid layer index");
return MyGUI::LayerManager::getInstance().getLayer(index)->getName();
}
size_t indexOf(std::string_view name)
{
for (size_t i = 0; i < size(); i++)
if (at(i) == name)
return i;
return size();
}
void insert(size_t index, std::string_view name, Options options)
{
if (index > size())
throw std::logic_error("Invalid layer index");
if (indexOf(name) < size())
Log(Debug::Error) << "Layer \"" << name << "\" already exists";
else
const std::string& name() const noexcept { return mName; };
const osg::Vec2f size()
{
auto layer = MyGUI::LayerManager::getInstance()
.createLayerAt(std::string(name), "OverlappedLayer", index);
auto overlappedLayer = dynamic_cast<MyGUI::OverlappedLayer*>(layer);
overlappedLayer->setPick(options.mInteractive);
MyGUI::ILayer* p = refresh();
MyGUI::IntSize size = p->getSize();
return osg::Vec2f(size.width, size.height);
}
}
}
struct Options
{
bool mInteractive;
};
static size_t count()
{
return MyGUI::LayerManager::getInstance().getLayerCount();
}
static size_t indexOf(std::string_view name);
static void insert(size_t index, std::string_view name, Options options);
private:
static MyGUI::ILayer* at(size_t index)
{
if (index >= count())
throw std::logic_error("Invalid layer index");
return MyGUI::LayerManager::getInstance().getLayer(index);
}
MyGUI::ILayer* refresh()
{
MyGUI::ILayer* p = at(mCachedIndex);
if (p->getName() != mName)
{
mCachedIndex = indexOf(mName);
p = at(mCachedIndex);
}
return p;
}
std::string mName;
size_t mCachedIndex;
};
}
#endif // OPENMW_LUAUI_LAYERS