winampremote/doxygen/_glass_extender_8h_source.html

/*

 * GlassExtender.h

 *

 *  Created on: 10 Mar 2012

 *      Author: Patrick

 */


#ifndef GLASSEXTENDER_H_

#define GLASSEXTENDER_H_


#include <classes.hpp>

#include <forms.hpp>

#include <windows.h>

#include <messages.hpp>

#pragma hdrstop


const int WM_DWMCOMPOSITIONCHANGED = 0x031E;


class GlassExtender: public Classes::TComponent

{


private:


        typedef struct _MARGINS

        {

                int cxLeftWidth;

                int cxRightWidth;

                int cyTopHeight;

                int cyBottomHeight;

        } MARGINS, *PMARGINS;


        typedef struct _DTTOPTS {

          DWORD             dwSize;

          DWORD             dwFlags;

          COLORREF          crText;

          COLORREF          crBorder;

          COLORREF          crShadow;

          int               iTextShadowType;

          POINT             ptShadowOffset;

          int               iBorderSize;

          int               iFontPropId;

          int               iColorPropId;

          int               iStateId;

          BOOL              fApplyOverlay;

          int               iGlowSize;

          void * pfnDrawTextCallback;                   // AACK to avoid pulling in the world

          LPARAM            lParam;

        } DTTOPTS, *PDTTOPTS;


/* DrawThemeText() flags */

#define DTT_TEXTCOLOR       0x00000001L

#define DTT_BORDERCOLOR     0x00000002L

#define DTT_SHADOWCOLOR     0x00000004L

#define DTT_SHADOWTYPE      0x00000008L

#define DTT_SHADOWOFFSET    0x00000010L

#define DTT_BORDERSIZE      0x00000020L

#define DTT_FONTPROP        0x00000040L

#define DTT_COLORPROP       0x00000080L

#define DTT_STATEID         0x00000100L

#define DTT_CALCRECT        0x00000200L

#define DTT_APPLYOVERLAY    0x00000400L

#define DTT_GLOWSIZE        0x00000800L

#define DTT_CALLBACK        0x00001000L

#define DTT_COMPOSITED      0x00002000L


    typedef HRESULT (__stdcall *DWMEnabledProc)(BOOL * enabled);

        typedef HRESULT (__stdcall *ExtendFrameProc)(HANDLE hWnd, const MARGINS *pMarInset);

        typedef HRESULT (__stdcall *DrawThemeTextExProc)(HANDLE hTheme,

                                                         HDC hdc,

                                                         int iPartId,

                                                         int iStateId,

                                                         LPCWSTR pszText,

                                                         int iCharCount,

                                                         DWORD dwFlags,

                                                         LPRECT pRect,

                                                         const DTTOPTS *pOptions);


        typedef HANDLE (__stdcall *OpenThemeDataProc)(HWND hwnd, LPCWSTR pszClassList);

        typedef HRESULT (__stdcall *CloseThemeDataProc)(HANDLE hTheme);


        HINST m_dwmapi;

        HINST m_uxtheme;

        ExtendFrameProc m_ExtendFrameProc;

        DWMEnabledProc m_DWMEnabledProc;

        DrawThemeTextExProc m_DrawThemeTextExProc;

    OpenThemeDataProc m_OpenThemeDataProc;

    CloseThemeDataProc m_CloseThemeDataProc;

        TForm * m_Form;

        bool glassWindow(TWinControl * winControl);

        bool extendIntoClientAll();

        void DWMCompositionChanged(TMessage& Msg);


public:

        __fastcall virtual GlassExtender(TForm* AOwner);

        __fastcall virtual ~GlassExtender(void);

        bool isCompositionActive();

        bool drawGlowText(HDC dc, const AnsiString& item,const TRect &itemRect,

                          bool current);


//      BEGIN_MESSAGE_MAP

//      // handling DWM composition changes

//      MESSAGE_HANDLER(WM_DWMCOMPOSITIONCHANGED, TMessage, DWMCompositionChanged)

//      END_MESSAGE_MAP(GlassExtender)


};


#endif /* GLASSEXTENDER_H_ */