ddnet/src/engine/input.h

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/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com. */
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#ifndef ENGINE_INPUT_H
#define ENGINE_INPUT_H
#include "kernel.h"
const int g_MaxKeys = 512;
extern const char g_aaKeyStrings[g_MaxKeys][20];
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class IInput : public IInterface
{
MACRO_INTERFACE("input", 0)
public:
class CEvent
{
public:
int m_Flags;
int m_Key;
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char m_aText[32];
int m_InputCount;
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};
protected:
enum
{
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INPUT_BUFFER_SIZE = 32
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};
// quick access to events
int m_NumEvents;
IInput::CEvent m_aInputEvents[INPUT_BUFFER_SIZE];
public:
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enum
{
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FLAG_PRESS = 1,
FLAG_RELEASE = 2,
FLAG_REPEAT = 4,
FLAG_TEXT = 8,
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};
// events
int NumEvents() const { return m_NumEvents; }
virtual bool IsEventValid(CEvent *pEvent) const = 0;
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CEvent GetEvent(int Index) const
{
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if(Index < 0 || Index >= m_NumEvents)
{
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IInput::CEvent e = {0, 0};
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return e;
}
return m_aInputEvents[Index];
}
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// keys
virtual bool KeyIsPressed(int Key) const = 0;
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virtual bool KeyPress(int Key, bool CheckCounter = false) const = 0;
const char *KeyName(int Key) const { return (Key >= 0 && Key < g_MaxKeys) ? g_aaKeyStrings[Key] : g_aaKeyStrings[0]; }
virtual void Clear() = 0;
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//
virtual void MouseModeRelative() = 0;
virtual void MouseModeAbsolute() = 0;
virtual int MouseDoubleClick() = 0;
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virtual const char *GetClipboardText() = 0;
virtual void SetClipboardText(const char *Text) = 0;
virtual void MouseRelative(float *x, float *y) = 0;
virtual bool GetIMEState() = 0;
virtual void SetIMEState(bool Activate) = 0;
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virtual const char *GetIMECandidate() = 0;
virtual int GetEditingCursor() = 0;
virtual void SetEditingPosition(float X, float Y) = 0;
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};
class IEngineInput : public IInput
{
MACRO_INTERFACE("engineinput", 0)
public:
virtual void Init() = 0;
virtual int Update() = 0;
virtual void NextFrame() = 0;
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virtual int VideoRestartNeeded() = 0;
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};
extern IEngineInput *CreateEngineInput();
#endif