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#pragma once
#include "UnityPrefix.h"
#include "Runtime/Graphics/Texture2D.h"
#include "Runtime/Math/Vector2.h"
#include <string>
#define PLATFORM_SUPPORTS_HARDWARE_CURSORS (!UNITY_PEPPER && ((UNITY_WIN && !UNITY_WINRT) || UNITY_OSX || UNITY_LINUX || UNITY_FLASH))
enum CursorMode
{
kAutoHardwareCursor = 0,
kHardwareCursorOff = 1
};
#if UNITY_OSX
#ifdef __OBJC__
@class NSCursor;
#else
typedef struct objc_object NSCursor;
#endif
#endif
namespace Cursors
{
template <typename T>
struct UnityCursor
{
UnityCursor ()
{
hCursor = NULL;
sCursor = NULL;
}
T hCursor;
PPtr<Texture2D> sCursor;
Vector2f hotspot;
typedef T HCursorType;
};
template <typename T>
struct CursorManager
{
T m_DefaultCursor;
T m_CurrentCursor;
bool m_UsingBuiltinDefaultCursor;
typedef std::map<TextureID, T > CursorCache;
CursorCache m_CursorCache;
Texture2D* GetSoftwareCursor ()
{
return m_CurrentCursor.sCursor;
}
Vector2f GetCursorHotspot ()
{
return m_CurrentCursor.hotspot;
}
typename T::HCursorType GetHardwareCursor ()
{
return m_CurrentCursor.hCursor;
}
static CursorManager<T>* s_CursorManager;
static CursorManager<T>& Instance ()
{
if (s_CursorManager == NULL)
{
s_CursorManager = new CursorManager<T>();
}
return *s_CursorManager;
}
static void Cleanup ()
{
delete s_CursorManager;
s_CursorManager = NULL;
}
};
void SetCursor (Texture2D* texture, Vector2f hotSpot, CursorMode forceHardware);
void RenderSoftwareCursor ();
Texture2D* GetSoftwareCursor ();
Vector2f GetCursorHotspot ();
void InitializeCursors (Texture2D* defaultCursorTexture, Vector2f defaultCursorHotSpot);
void CleanupCursors ();
#if UNITY_WIN
void ResetCursor ();
// returns true if the event is 'handled' WM_SETCURSOR in this case
bool HandleMouseCursor (UINT message, LPARAM lParam);
HCURSOR GetHardwareCursor ();
#endif
#if UNITY_OSX
void ResetCursor ();
NSCursor* GetHardwareCursor ();
#endif
};
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