LgiInterfaces.h

// \file
#ifndef _LGI_INTERFACES_H_
#define _LGI_INTERFACES_H_

// Includes
#include "GArray.h"

// Fwd defs
class GXmlTag;
class GMouseHook;
class GFont;
class GRect;
class GdcPt2;
class GRegion;
class GSurface;
class GViewI;
class GMessage;
class GMouse;
class GKey;
class GWindow;
class GViewFill;
class GView;

// Classes
class GDomI
{
public:
    virtual ~GDomI() {}

    virtual bool GetValue(char *Var, GVariant &Value) = 0;
    virtual bool SetValue(char *Var, GVariant &Value) = 0;
};

class GStreamI : virtual public GDomI
{
public:
    virtual int Open(char *Str = 0, int Int = 0) = 0;
    virtual bool IsOpen() = 0;
    virtual int Close() = 0;

    virtual int64 GetSize() = 0;
    virtual int64 SetSize(int64 Size) = 0;
    virtual int64 GetPos() = 0;
    virtual int64 SetPos(int64 Pos) = 0;
    virtual int Read(void *Buffer, int Size, int Flags = 0) = 0;
    virtual int Write(void *Buffer, int Size, int Flags = 0) = 0;
    virtual GStreamI *Clone() = 0;
    // virtual int Print(char *Format, ...) = 0;
};

enum GSocketLogTypes
{
    NET_LOG_NONE = 0,
    NET_LOG_HEX_DUMP = 1,
    NET_LOG_ALL_BYTES = 2
};

enum GSocketProp
{
    GReadable,
    GWriteable,
    GAcceptable,
    GAsync,
    GException,
    GNoDelay,
};

class GSocketI : virtual public GStreamI
{
public:
    virtual ~GSocketI() {}

    virtual OsSocket Handle(OsSocket Set = INVALID_SOCKET) = 0;
    virtual bool WhatsMyIp
    (
        char *IpAddr
    ) = 0;
    virtual int WhatsMyPort() = 0;
    virtual bool GetRemoteIp(char *IpAddr) = 0;
    virtual bool IsReadable() = 0;
    virtual bool Cancel() = 0;
    virtual void Cancel(bool i) = 0;
    virtual int Is
    (
        GSocketProp p
    ) = 0;
    virtual void Is(GSocketProp p, int i) = 0;
    virtual void SetLogFile(char *FileName = 0, int Type = NET_LOG_HEX_DUMP) = 0;

    virtual bool Listen(int Port = 0) = 0;
    virtual bool Accept(GSocketI *c) = 0;

    virtual int Error() = 0;

    virtual void OnDisconnect() = 0;
    virtual void OnRead(char *Data, int Len) = 0;
    virtual void OnWrite(char *Data, int Len) = 0;
    virtual void OnError(int ErrorCode, char *ErrorDescription) = 0;
    virtual void OnInformation(char *Str) = 0;
    virtual int SetParameter(int Param, int Value) = 0;
};

class GAppI
{
public:
    virtual ~GAppI() {}

    virtual bool IsOk() = 0;
    
    virtual OsProcessId GetProcessId() = 0;
    
    virtual OsThreadId GetGuiThread() = 0;

    virtual void SetAppArgs(OsAppArguments &AppArgs) = 0;
    
    virtual OsAppArguments *GetAppArgs() = 0;

    virtual char *GetArgumentAt(int n) = 0;
    
    virtual bool Run
    (
        bool Loop = true
    ) = 0;
    
    virtual void OnCommandLine() = 0;
    
    virtual void OnReceiveFiles(GArray<char*> &Files) = 0;
    
    virtual void Exit
    (
        int Code = 0
    ) = 0;
    
    virtual bool GetOption
    (
        char *Option,
        GArray<char> &Buf
    ) = 0;

    virtual bool GetOption
    (
        char *Option,
        char *Dst = 0,
        int DstSize = 0
    ) = 0;
    
    virtual GXmlTag *GetConfig(char *Tag) = 0;

    virtual void SetConfig(GXmlTag *Tag) = 0;
    
    virtual GViewI *GetFocus() = 0;
    
    virtual bool GetFileMimeType
    (
        char *File,
        char *Mime,
        int BufLen
    ) = 0;
        
    virtual int32 GetMetric
    (
        int Metric
    ) = 0;

    virtual GMouseHook *GetMouseHook() = 0;
};

class GEventsI
{
public:
    virtual ~GEventsI() {}

    // Does this support scripting
    virtual bool OnScriptEvent(GViewI *Ctrl) = 0;

    // Events
    virtual int OnEvent(GMessage *Msg) = 0;
    virtual void OnMouseClick(GMouse &m) = 0;
    virtual void OnMouseEnter(GMouse &m) = 0;
    virtual void OnMouseExit(GMouse &m) = 0;
    virtual void OnMouseMove(GMouse &m) = 0;
    virtual void OnMouseWheel(double Lines) = 0;
    virtual bool OnKey(GKey &k) = 0;
    virtual void OnAttach() = 0;
    virtual void OnCreate() = 0;
    virtual void OnDestroy() = 0;
    virtual void OnFocus(bool f) = 0;
    virtual void OnPulse() = 0;
    virtual void OnPosChange() = 0;
    virtual bool OnRequestClose(bool OsShuttingDown) = 0;
    virtual int OnHitTest(int x, int y) = 0;
    virtual void OnChildrenChanged(GViewI *Wnd, bool Attaching) = 0;
    virtual void OnPaint(GSurface *pDC) = 0;
    virtual int OnNotify(GViewI *Ctrl, int Flags) = 0;
    virtual int OnCommand(int Cmd, int Event, OsView Wnd) = 0;
};

class GViewIterator
{
public:
    virtual GViewI *First() = 0;
    virtual GViewI *Last() = 0;
    virtual GViewI *Next() = 0;
    virtual GViewI *Prev() = 0;
    virtual int Length() = 0;
    virtual int IndexOf(GViewI *view) = 0;
    virtual GViewI *operator [](int Idx) = 0;
};

class GViewI : public GEventsI
{
    friend class GView;

public:
    // Handles
    virtual OsView Handle() = 0;
    virtual OsWindow WindowHandle() = 0;

    // Heirarchy
    virtual bool Attach(GViewI *p) = 0;
    virtual bool AttachChildren() = 0;
    virtual bool Detach() = 0;
    virtual bool IsAttached() = 0;
    virtual GWindow *GetWindow() = 0;
    virtual GViewI *GetParent() = 0;
    virtual void SetParent(GViewI *p) = 0;
    virtual void Quit(bool DontDelete = false) = 0;
    virtual bool AddView(GViewI *v, int Where = -1) = 0;
    virtual bool DelView(GViewI *v) = 0;
    virtual bool HasView(GViewI *v) = 0;
    virtual GViewIterator *IterateViews() = 0;

    // Threading
    virtual bool Lock(int TimeOut = -1) = 0;
    virtual void Unlock() = 0;
    virtual bool InThread() = 0;

    // Properties
    virtual bool Enabled() = 0;
    virtual void Enabled(bool e) = 0;
    virtual bool Visible() = 0;
    virtual void Visible(bool v) = 0;
    virtual bool Focus() = 0;
    virtual void Focus(bool f) = 0;
    virtual bool DropTarget() = 0;
    virtual bool DropTarget(bool t) = 0;
    virtual bool Sunken() = 0;
    virtual void Sunken(bool i) = 0;
    virtual bool Flat() = 0;
    virtual void Flat(bool i) = 0;
    virtual bool Raised() = 0;
    virtual void Raised(bool i) = 0;
    virtual GViewFill *GetBackgroundFill() = 0;
    virtual bool SetBackgroundFill(GViewFill *Fill) = 0;
    virtual bool Name(char *n) = 0;
    virtual char *Name() = 0;
    virtual bool NameW(char16 *n) = 0;
    virtual char16 *NameW() = 0;
    virtual GFont *GetFont() = 0;
    virtual void SetFont(GFont *Fnt, bool OwnIt = false) = 0;
    virtual GRect &GetPos() = 0;
    virtual GRect &GetClient() = 0;
    virtual bool SetPos(GRect &p, bool Repaint = false) = 0;
    virtual int X() = 0;
    virtual int Y() = 0;
    virtual GdcPt2 GetMinimumSize() = 0;
    virtual void SetMinimumSize(GdcPt2 Size) = 0;   
    virtual int GetId() = 0;
    virtual void SetId(int i) = 0;
    virtual bool GetTabStop() = 0;
    virtual void SetTabStop(bool b) = 0;
    virtual int Value() = 0;
    virtual void Value(int i) = 0;

    // Events
    virtual void SendNotify(int Data = 0) = 0;
    virtual GViewI *GetNotify() = 0;
    virtual void SetNotify(GViewI *n) = 0;
    virtual bool PostEvent(int Cmd, int a = 0, int b = 0) = 0;

    // Mouse
    virtual bool SetCursor(int Cursor) = 0;
    virtual bool Capture(bool c) = 0;
    virtual bool IsCapturing() = 0;
    virtual bool GetMouse(GMouse &m, bool ScreenCoords = false) = 0;

    // Helper
    virtual void MoveOnScreen() = 0;
    virtual void MoveToCenter() = 0;
    virtual void MoveToMouse() = 0;
    virtual GViewI *FindControl(OsView hnd) = 0;
    virtual GViewI *FindControl(int Id) = 0;
    virtual int GetCtrlValue(int Id) = 0;
    virtual void SetCtrlValue(int Id, int i) = 0;
    virtual char *GetCtrlName(int Id) = 0;
    virtual void SetCtrlName(int Id, char *s) = 0;
    virtual bool GetCtrlEnabled(int Id) = 0;
    virtual void SetCtrlEnabled(int Id, bool Enabled) = 0;
    virtual bool GetCtrlVisible(int Id) = 0;
    virtual void SetCtrlVisible(int Id, bool Visible) = 0;
    virtual bool Pour(GRegion &r) = 0;

    // Points
    virtual void PointToScreen(GdcPt2 &p) = 0;
    virtual void PointToView(GdcPt2 &p) = 0;
    virtual bool WindowVirtualOffset(GdcPt2 *Offset) = 0;   
    virtual GViewI *WindowFromPoint(int x, int y) = 0;
    virtual GdcPt2 &GetWindowBorderSize() = 0;
    virtual bool IsOver(GMouse &m) = 0;

    // Misc
    virtual bool Invalidate(GRect *r = 0, bool Repaint = false, bool NonClient = false) = 0;
    virtual bool Invalidate(GRegion *r, bool Repaint = false, bool NonClient = false) = 0;
    virtual void SetPulse(int Ms = -1) = 0;

protected:
    virtual bool OnViewMouse(GView *v, GMouse &m) = 0;
    virtual bool OnViewKey(GView *v, GKey &k) = 0;
};

#endif

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