/*

Miranda NG: the free IM client for Microsoft* Windows*

Copyright (C) 2012-20 Miranda NG team (https://miranda-ng.org),
Copyright (c) 2000-08 Miranda ICQ/IM project,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#ifndef M_ske_H_INC
#define M_ske_H_INC

#include <m_clistint.h>
#include <m_fontservice.h>

/*defaults*/
#define DEFAULT_FIT_MODE    FM_STRETCH
#define DEFAULT_STYLE       ST_BRUSH
#define DEFAULT_BKCOLOUR    GetSysColor(COLOR_3DFACE)
#define DEFAULT_SELBKCOLOUR GetSysColor(COLOR_HIGHLIGHT)
#define SIZING_MARGIN 3

/* Fit mode */
#define FM_STRETCH      0
#define FM_TILE_HORZ    1
#define FM_TILE_VERT    2
#define FM_TILE_BOTH    3

/*Object types*/
#define OT_ANY          0
#define OT_GLYPHOBJECT  1
#define OT_FONTOBJECT   2

/*STYLE INDEXEX*/
#define ST_SKIP         0
#define ST_PARENT       1
#define ST_BRUSH        2
#define ST_IMAGE        3
#define ST_SOLARIZE     4  //Not used yet.
#define ST_FRAGMENT     5
#define ST_GRADIENT     6

//formats:
#define ADT_TOP                      0x00000000
#define ADT_LEFT                     0x00000000
#define ADT_HCENTER                  0x00000001
#define ADT_RIGHT                    0x00000002
#define ADT_VCENTER                  0x00000004
#define ADT_BOTTOM                   0x00000008
//#define ADT_ECLIPSE 64

/*SERVICES*/

//toggle the 'hide offline contacts' flag and call CLUI
#define MS_CLIST_TOGGLEHIDEOFFLINE  "CList/ToggleHideOffline"

#define MS_CLIST_TOGGLESOUNDS  "CList/ToggleSounds"

// Add new object to skin object list.
// wParam = pointer to SKINOBJECTDESCRIPTOR structure
// lParam = 0 ( used for internal purposes: pointer to skin object list)
#define MS_SKIN_REGISTEROBJECT "ModernList/RegisterObject"

// Add new object to skin object list.
// wParam = pointer to DEF_SKIN_OBJECT_PARAMS structure
// lParam = 0 ( used for internal purposes: pointer to skin object list)
#define MS_SKIN_REGISTERDEFOBJECT "ModernList/RegisterDefObject"

struct DEF_SKIN_OBJECT_PARAMS
{
	char *szObjectID;
	BYTE defStyle;
	DWORD defColor;
};

// Request painting glyph object
// wParam = pointer to SKINDRAWREQUEST structure
// lParam = 0
#define MS_SKIN_DRAWGLYPH "ModernList/DrawGlyph"

/* EVENTS */
#define ME_SKIN_SERVICESCREATED "ModernList/ServicesCreated"

/* DRAWGLYPH Request structure */
struct SKINDRAWREQUEST
{
	char szObjectID[255];     // Unic Object ID (path) to paint
	RECT rcDestRect;          // Rectangle to fit
	RECT rcClipRect;          // Rectangle to paint in.
	HDC hDC;                  // Handler to device context to paint in.
};

/* SKINOBJECTDESCRIPTOR opbject descriptor structure */
struct SKINOBJECTDESCRIPTOR
{
	BYTE  bType;              // One of OT_* values.
	char *szObjectID;         // Unic Object ID (path) [255] max
	void *Data;               // Pointer to GLYPHOBJECT strycture if bType==OT_GLYPHOBJECT
};

/* SKINOBJECTDESCRIPTOR opbject descriptor structure */
struct GLYPHOBJECT
{
	BYTE Style;                                // One of ST_* values
	HBITMAP hGlyph;                            // Bitmap handler (for internal use only)
	DWORD dwTop, dwLeft, dwBottom, dwRight;    // Margins
	char *szFileName;                          // FileName of image
	DWORD dwColor;                             // Fill color
	BYTE dwAlpha;                              // Constant alpha-transparency level
	BYTE FitMode;                              // One of FM_* values
	POINT clipArea;                            // Object image rect on full image
	SIZE szclipArea;                           // Object image rect on full image
	SortedList *plTextList;                   // List of GLYPHTEXT
	LONG bmWidth;
	LONG bmHeight;
	BYTE bmBitsPixel;
};

/* SKINTEXTDESCRIPTOR opbject descriptor structure */
struct GLYPHTEXT
{
	char  *szGlyphTextID;
	TCHAR *stText;
	TCHAR *stValueText;
	DWORD  dwFlags;
	DWORD  dwColor;                     // Color (InvAA)(RR)(GG)(BB)
	DWORD  dwShadow;                    //ToDo: Color2/Shaddow
	int    iLeft, iTop, iRight, iBottom;
	BYTE   RelativeFlags;
	char  *szFontID;
	HFONT  hFont;
	char  *szObjectName;
};

/* SKINTEXTDESCRIPTOR opbject descriptor structure */
struct SKINFONT
{
	char *szFontID;
	HFONT hFont;
};

/* HELPER FUNCTIONS */

//Paint  ObjectID as parent background for frame hwndIn
int __inline SkinDrawWindowBack(HWND hwndIn, HDC hdc, RECT * rcClip, char * objectID)
{
	SKINDRAWREQUEST rq;
	POINT pt={};
	RECT rc,r1;

	if (!objectID) return 0;
	GetWindowRect(hwndIn,&r1);
	pt.x=r1.left;
	pt.y=r1.top;
	GetWindowRect(g_clistApi.hwndContactList, &rc);
	OffsetRect(&rc,-pt.x ,-pt.y);
	rq.hDC=hdc;
	rq.rcDestRect=rc;
	rq.rcClipRect=*rcClip;
	lstrcpynA(rq.szObjectID,objectID,sizeof(rq.szObjectID));
	///ske_Service_DrawGlyph((WPARAM)&rq,0);    //$$$
	return CallService(MS_SKIN_DRAWGLYPH,(WPARAM)&rq,0);
}

//Register object with predefined style
int __inline CreateGlyphedObjectDefStyle(char * ObjID,BYTE defStyle);
int __inline CreateGlyphedObjectDefColor(char * ObjID,DWORD defColor);
//Register default object
int __inline CreateGlyphedObject(char * ObjID);

//// Creating and registering objects
//int __inline CreateGlyphedObject(char * ObjID)
//{
//    DEF_SKIN_OBJECT_PARAMS prm={0};
//    prm.defColor=DEFAULT_BKCOLOUR;
//    prm.defStyle=DEFAULT_STYLE;
//    prm.szObjectID=ObjID;
//    return CallService(MS_SKIN_REGISTERDEFOBJECT,(WPARAM)&prm,0);
//}
static BOOL __inline ScreenToClientRect(HWND hWnd, LPRECT lpRect)
{
	BOOL ret;

	POINT pt;

	pt.x = lpRect->left;
	pt.y = lpRect->top;

	ret = ScreenToClient(hWnd, &pt);

	if (!ret) return ret;

	lpRect->left = pt.x;
	lpRect->top = pt.y;


	pt.x = lpRect->right;
	pt.y = lpRect->bottom;

	ret = ScreenToClient(hWnd, &pt);

	lpRect->right = pt.x;
	lpRect->bottom = pt.y;

	return ret;
}

//Paint  ObjectID
static int __inline SkinDrawGlyph(HDC hdc, RECT * rcSize, RECT * rcClip, char * objectID)
{
	SKINDRAWREQUEST rq;
	if (!objectID) return 0;
	rq.hDC=hdc;
	rq.rcDestRect=*rcSize;
	rq.rcClipRect=*rcClip;
	lstrcpynA(rq.szObjectID,objectID,sizeof(rq.szObjectID));
	return CallService(MS_SKIN_DRAWGLYPH,(WPARAM)&rq,0);
}
//#include "../hdr/modern_skin_selector.h"

//////////////////////////////////////////////
//                                          //
//  New Painting sequence servises          //
//                                          //
//////////////////////////////////////////////

struct sPaintRequest
{
  DWORD dStructSize;      // size of structure
  HWND  hWnd;             // called by window
  HDC   hDC;              // context to draw on
  RECT  rcUpdate;         // rectangle to be painted in (relative to Top-Left corner of Main window)
  DWORD dwFlags;          // drawing flags
  void *CallbackData;     // Data for passing to callback procedure
  char  Reserved[16];     // reserved for farther usage;
};

// Request to register sub for callback painting frame area
// wParam = hWnd of called frame
// lParam = pointer to tPaintCallBackProc    (or NULL to remove)
// return 1 - succes, 0 - failure
#define MS_SKINENG_REGISTERPAINTSUB "SkinEngine/ske_Service_RegisterFramePaintCallbackProcedure"

// Request to repaint frame or change/drop callback data immeadeately
// wParam = hWnd of called frame
// lParam = pointer to sPaintRequest (or NULL to redraw all)
#define MS_SKINENG_UPTATEFRAMEIMAGE "SkinEngine/ske_Service_UpdateFrameImage"

// Request to repaint frame or change/drop callback data
// wParam = hWnd of called frame
// lParam = pointer to sPaintRequest (or NULL to redraw all)
// return 2 - already queued, data updated, 1-have been queued, 0 - failure
#define MS_SKINENG_INVALIDATEFRAMEIMAGE "SkinEngine/ske_Service_InvalidateFrameImage"

// Callback proc type
typedef int (*tPaintCallbackProc)(HWND hWnd, HDC hDC, RECT * rcPaint, HRGN rgnUpdate, DWORD dFlags, void * CallBackData);

// HELPER TO UPDATEIMAGEFRAME

__inline BOOL isSkinEngineEnabled()
{
	return ServiceExists(MS_SKINENG_REGISTERPAINTSUB) && !db_get_b(NULL, "ModernData", "DisableEngine", FALSE);
}

__inline BOOL isLayeredEnabled()
{
	return isSkinEngineEnabled() && db_get_b(NULL, "ModernData", "EnableLayering", TRUE);
}

int __inline SkinEngUpdateImageFrame(HWND hwnd, RECT *rcUpdate, DWORD dwFlags, void *CallBackData)
{
	sPaintRequest sr = { 0 };
	sr.dStructSize = sizeof(sPaintRequest);
	sr.hWnd = hwnd;
	if (rcUpdate)
		sr.rcUpdate = *rcUpdate;
	sr.dwFlags = dwFlags;
	sr.CallbackData = CallBackData;
	return CallService(MS_SKINENG_UPTATEFRAMEIMAGE, (WPARAM)hwnd, (LPARAM)&sr);
}

int __inline SkinEngInvalidateImageFrame(HWND hwnd, CONST RECT *rcUpdate, DWORD dwFlags, void *CallBackData)
{
	sPaintRequest sr = { 0 };
	if (hwnd && !isLayeredEnabled()) return InvalidateRect(hwnd, rcUpdate, dwFlags);
	sr.dStructSize = sizeof(sPaintRequest);
	sr.hWnd = hwnd;
	if (rcUpdate)
		sr.rcUpdate = *rcUpdate;
	sr.dwFlags = dwFlags;
	sr.CallbackData = CallBackData;
	return CallService(MS_SKINENG_INVALIDATEFRAMEIMAGE, (WPARAM)hwnd, (LPARAM)&sr);
}

int __inline SkinInvalidateFrame(HWND hWnd, CONST RECT *lpRect)
{
	return SkinEngInvalidateImageFrame(hWnd, lpRect, 0, nullptr);
}

////////////////////////////////////////////////////////////////////////////////
// Alpha channel GDI replacements/helpers
//
// Paints text with correct alpha channel
// wParam - pointer to AlphaTextOutParams
#define MS_SKINENG_ALPHATEXTOUT "SkinEngine/ske_AlphaTextOut"

struct AlphaTextOutParams
{
  HDC hDC;
  LPCTSTR lpString;
  int nCount;
  RECT * lpRect;
  UINT format;
  DWORD ARGBcolor;
  char reserv[16];
};

int __inline AlphaText(HDC hDC, LPCTSTR lpString, int nCount, RECT *lpRect, UINT format, DWORD ARGBcolor)
{
	AlphaTextOutParams ap = {};
	ap.hDC = hDC;
	ap.lpString = lpString;
	ap.nCount = nCount;
	ap.lpRect = lpRect;
	ap.format = format;
	ap.ARGBcolor = ARGBcolor;
	return CallService(MS_SKINENG_ALPHATEXTOUT, (WPARAM)&ap, 0);
}

////////////////////////////////////////////////////////////////////////////////
// Paints text with correct alpha channel and effect, alternative to DrawText
// wParam - pointer to DrawTextWithEffectParam

struct DrawTextWithEffectParam
{
    HDC         hdc;          // handle to DC
    LPCTSTR     lpchText;     // text to draw
    int         cchText;      // length of text to draw
    LPRECT      lprc;         // rectangle coordinates
    UINT        dwDTFormat;   // formatting options
    FONTEFFECT *pEffect;      // effect to be drawn on
};

#define MS_DRAW_TEXT_WITH_EFFECTA "Modern/SkinEngine/DrawTextWithEffectA"
#define MS_DRAW_TEXT_WITH_EFFECTW "Modern/SkinEngine/DrawTextWithEffectW"

#define MS_DRAW_TEXT_WITH_EFFECT MS_DRAW_TEXT_WITH_EFFECTW

// Helper
int __inline DrawTextWithEffect(HDC hdc, LPCTSTR lpchText, int cchText, RECT *lprc, UINT dwDTFormat, FONTEFFECT *pEffect)
{
	if (!ServiceExists(MS_DRAW_TEXT_WITH_EFFECT) || pEffect == nullptr || pEffect->effectIndex == 0)
		return DrawText(hdc, lpchText, cchText, lprc, dwDTFormat);

	DrawTextWithEffectParam params;
	params.hdc = hdc;
	params.lpchText = lpchText;
	params.cchText = cchText;
	params.lprc = lprc;
	params.dwDTFormat = dwDTFormat;
	params.pEffect = pEffect;
	return CallService(MS_DRAW_TEXT_WITH_EFFECT, (WPARAM)&params, 0);
}

struct ImageListFixParam
{
	HIMAGELIST himl;
	int index;
	HICON hicon;
};

struct DrawIconFixParam
{
	HDC hdc;
	int xLeft;
	int yTop;
	HICON hIcon;
	int cxWidth;
	int cyWidth;
	UINT istepIfAniCur;
	HBRUSH hbrFlickerFreeDraw;
	UINT diFlags;
};

//wParam - pointer to DrawIconFixParam
#define MS_SKINENG_DRAWICONEXFIX "SkinEngine/DrawIconEx_Fix"

int __inline mod_DrawIconEx_helper(HDC hdc, int xLeft, int yTop, HICON hIcon, int cxWidth, int cyWidth, UINT istepIfAniCur, HBRUSH hbrFlickerFreeDraw, UINT diFlags)
{
	DrawIconFixParam p = { 0 };
	p.hdc = hdc;
	p.xLeft = xLeft;
	p.yTop = yTop;
	p.hIcon = hIcon;
	p.cxWidth = cxWidth;
	p.cyWidth = cyWidth;
	p.istepIfAniCur = istepIfAniCur;
	p.hbrFlickerFreeDraw = hbrFlickerFreeDraw;
	p.diFlags = diFlags;
	return CallService(MS_SKINENG_DRAWICONEXFIX, (WPARAM)&p, 0);
}

////////////////////////////////////////////////////////////////////////////////
//  Register of plugin's user
//
//  wParam = (WPARAM)szSetting - string that describes a user
//           format: Category/ModuleName,
//           eg: "Contact list background/CLUI",
//               "Status bar background/StatusBar"
//  lParam = (LPARAM)dwFlags
//

#define MS_BACKGROUNDCONFIG_REGISTER "ModernBkgrCfg/Register"

////////////////////////////////////////////////////////////////////////////////
//  Notification about changed background
//  wParam = ModuleName
//  lParam = 0

#define ME_BACKGROUNDCONFIG_CHANGED "ModernBkgrCfg/Changed"

#endif