#ifndef M_TOPTOOLBAR_H
#define M_TOPTOOLBAR_H

#ifndef M_CORE_H__
#include <m_core.h>
#endif

#define TTB_OPTDIR "TopToolBar"

//button flags
#define TTBBF_DISABLED       0x0001
#define TTBBF_VISIBLE        0x0002
#define TTBBF_PUSHED         0x0004
#define TTBBF_SHOWTOOLTIP    0x0008
#define TTBBF_ISSEPARATOR    0x0020
#define TTBBF_ISLBUTTON      0x0040
#define TTBBF_ISSBUTTON      0x0100
#define TTBBF_ASPUSHBUTTON   0x0200

struct TTBButton
{
	union {
		char *pszService;
		TCHAR *program;
	};
	DWORD dwFlags;
	LPARAM lParamUp;
	WPARAM wParamUp;
	LPARAM lParamDown;
	WPARAM wParamDown;
	char *name;
	union {
		HICON hIconUp;
		HANDLE hIconHandleUp;
	};
	union {
		HICON hIconDn;
		HANDLE hIconHandleDn;
	};

	char *pszTooltipUp;
	char *pszTooltipDn;
};

//=== EVENTS ===
/*
toptoolbar/moduleloaded event
wParam = lParam = 0
Called when the toolbar services are available

!!!Warning you may work with TTB services only in this event or later.

*/
#define ME_TTB_MODULELOADED   "TopToolBar/ModuleLoaded"


//=== SERVICES ===
/*
toptoolbar/addbutton service
wparam = (TTBButton*)lpTTBButton
lparam = hLangpack
returns: hTTBButton - handle of added button on success, -1 on failure.
*/

#define MS_TTB_ADDBUTTON                  "TopToolBar/AddButton"

/*
toptoolbar/removebutton service
wparam = (HANDLE)hTTButton
lparam = 0
returns: 0 on success, -1 on failure.
*/
#define MS_TTB_REMOVEBUTTON					"TopToolBar/RemoveButton"

/*
toptoolbar/setstate service
wparam = (HANDLE)hTTButton
lparam = (LPARAM) state
returns: 0 on success, -1 on failure.
*/
#define TTBST_PUSHED			1

#define MS_TTB_SETBUTTONSTATE					"TopToolBar/SetState"

/*
toptoolbar/getstate service
wparam = (HANDLE)hTTButton
lparam = 0
returns: state on success, -1 on failure.
*/
#define MS_TTB_GETBUTTONSTATE					"TopToolBar/GetState"

/*
toptoolbar/getoptions service
(HIWORD)wparam = (HANDLE)hTTButton
(LOWORD)wparam = TTBO_FLAG
lparam = 0,or lparam=lpTTBButton if flag=TTBO_ALLDATA
returns: value on success, -1 on failure.
*/
#define TTBO_FLAGS            0     //get/set all flags
#define TTBO_WIDTH            2     //not impemented
#define TTBO_HEIGHT           3     //not impemented
#define TTBO_TIPNAME          4     //tool tip name
#define TTBO_ALLDATA          5     //change all data via lparam=lpTTBButton


#define MS_TTB_GETBUTTONOPTIONS					"TopToolBar/GetOptions"

/*
toptoolbar/setoptions service
(HIWORD)wparam = (HANDLE)hTTButton
(LOWORD)wparam = TTBO_FLAG
lparam = value
returns: 1 on success, -1 on failure.
*/
#define MS_TTB_SETBUTTONOPTIONS					"TopToolBar/SetOptions"

/*
toptoolbar/setcustomproc service
wparam = pfnCustomproc
lparam = procedure parameter
returns: always returns 0.
*/

#define TTB_WINDOW_HANDLE   ((HANDLE)-1)

// this procedure is executed on each button on toolbar
// and on a toolbar itself with hTTButton == TTB_WINDOW_HANDLE
// hTTButton = button handle
// hwndBtn   = button window handle
// userInfo  = lParam passed into TopToolbar_SetCustomProc

typedef void (__cdecl *pfnCustomProc)(HANDLE hTTButton, HWND hwndBtn, LPARAM userInfo);

__forceinline void TopToolbar_SetCustomProc(pfnCustomProc pFunc, LPARAM lParam)
{	CallService("TopToolBar/SetCustomProc", (WPARAM)pFunc, lParam);
}

///////////////////////////////////////////////////////////////////////////////
// Toolbar internal structures

typedef void (__cdecl *pfnTTBPainterFunc)(struct TTBCtrl*, HDC);

struct TTBCtrlButton
{
	HWND hWindow;
};

struct TTBCtrl
{
	HWND   hWnd;
	HANDLE hFrame;
	int    nButtonWidth;
	int    nButtonHeight;
	int    nButtonSpace;
	int    nLastHeight;    // fix against recursion in WM_SIZE
	BOOL   bOrderChanged;  // set by buttons' arrange procedure if the buttons' order was changed
	BOOL   bFlatButtons, bAutoSize, bSingleLine;
	BOOL   bHardUpdate;    // clist modern requires to delete buttons to update them

	SortedList* pButtonList;
};

// Sets the custom painting procedure for a toolbar
// wParam = not used
// lParam = size_t: size of new data block (published from TTBCtrl)
// Usage: SendMessage(hwndToolbar, TTB_SETCUSTOM, 0, (LPARAM)&CustomData);
// Only works on TopToolbars
#define TTB_SETCUSTOMDATASIZE  (WM_USER+1)

#endif