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#ifndef _COOLSBLIB_INCLUDED
#define _COOLSBLIB_INCLUDED
#ifdef __cplusplus
extern "C"{
#endif
#include <windows.h>
// To complement the exisiting SB_HORZ, SB_VERT, SB_BOTH
// scrollbar identifiers
#define COOLSB_NONE (-1)
#define SB_INSBUT (-2)
//
// Arrow size defines
//
#define SYSTEM_METRIC (-1)
//
// general scrollbar styles
//
// use the standard ESB_DISABLE_xxx flags to represent the
// enabled / disabled states. (defined in winuser.h)
//
#define CSBS_THUMBALWAYS 4
#define CSBS_VISIBLE 8
//cool scrollbar styles for Flat scrollbars
#define CSBS_NORMAL 0
#define CSBS_FLAT 1
#define CSBS_HOTTRACKED 2
//
// Button mask flags for indicating which members of SCROLLBUT
// to use during a button insertion / modification
//
#define SBBF_TYPE 0x0001
#define SBBF_ID 0x0002
#define SBBF_PLACEMENT 0x0004
#define SBBF_SIZE 0x0008
#define SBBF_BITMAP 0x0010
#define SBBF_ENHMETAFILE 0x0020
//#define SBBF_OWNERDRAW 0x0040 //unused at present
#define SBBF_CURSOR 0x0080
#define SBBF_BUTMINMAX 0x0100
#define SBBF_STATE 0x0200
//button styles (states)
#define SBBS_NORMAL 0
#define SBBS_PUSHED 1
#define SBBS_CHECKED SBBS_PUSHED
//
// scrollbar button types
//
#define SBBT_PUSHBUTTON 1 //standard push button
#define SBBT_TOGGLEBUTTON 2 //toggle button
#define SBBT_FIXED 3 //fixed button (non-clickable)
#define SBBT_FLAT 4 //blank area (flat, with border)
#define SBBT_BLANK 5 //blank area (flat, no border)
#define SBBT_DARK 6 //dark blank area (flat)
#define SBBT_OWNERDRAW 7 //user draws the button via a WM_NOTIFY
#define SBBT_MASK 0x1f //mask off low 5 bits
//button type modifiers
#define SBBM_RECESSED 0x0020 //recessed when clicked (like Word 97)
#define SBBM_LEFTARROW 0x0040
#define SBBM_RIGHTARROW 0x0080
#define SBBM_UPARROW 0x0100
#define SBBM_DOWNARROW 0x0200
#define SBBM_RESIZABLE 0x0400
#define SBBM_TYPE2 0x0800
#define SBBM_TYPE3 0x1000
#define SBBM_TOOLTIPS 0x2000 //currently unused (define COOLSB_TOOLTIPS in userdefs.h)
//button placement flags
#define SBBP_LEFT 1
#define SBBP_RIGHT 2
#define SBBP_TOP 1 //3
#define SBBP_BOTTOM 2 //4
//
// Button command notification codes
// for sending with a WM_COMMAND message
//
#define CSBN_BASE 0
#define CSBN_CLICKED (1 + CSBN_BASE)
#define CSBN_HILIGHT (2 + CSBN_BASE)
//
// Minimum size in pixels of a scrollbar thumb
//
#define MINTHUMBSIZE_NT4 8
#define MINTHUMBSIZE_2000 6
//define some more hittest values for our cool-scrollbar
#define HTSCROLL_LEFT (SB_LINELEFT)
#define HTSCROLL_RIGHT (SB_LINERIGHT)
#define HTSCROLL_UP (SB_LINEUP)
#define HTSCROLL_DOWN (SB_LINEDOWN)
#define HTSCROLL_THUMB (SB_THUMBTRACK)
#define HTSCROLL_PAGEGUP (SB_PAGEUP)
#define HTSCROLL_PAGEGDOWN (SB_PAGEDOWN)
#define HTSCROLL_PAGELEFT (SB_PAGELEFT)
#define HTSCROLL_PAGERIGHT (SB_PAGERIGHT)
#define HTSCROLL_NONE (-1)
#define HTSCROLL_NORMAL (-1)
#define HTSCROLL_INSERTED (128)
#define HTSCROLL_PRE (32 | HTSCROLL_INSERTED)
#define HTSCROLL_POST (64 | HTSCROLL_INSERTED)
/*
Public interface to the Cool Scrollbar library
*/
BOOL WINAPI InitializeCoolSB(HWND hwnd);
void WINAPI UninitializeCoolSB(HWND hwnd);
BOOL WINAPI CoolSB_SetMinThumbSize(HWND hwnd, UINT wBar, UINT size);
BOOL WINAPI CoolSB_IsThumbTracking(HWND hwnd);
BOOL WINAPI CoolSB_IsCoolScrollEnabled(HWND hwnd);
//
BOOL WINAPI CoolSB_EnableScrollBar(HWND hwnd, int wSBflags, UINT wArrows);
BOOL WINAPI CoolSB_GetScrollInfo(HWND hwnd, int fnBar, LPSCROLLINFO lpsi);
int WINAPI CoolSB_GetScrollPos(HWND hwnd, int nBar);
BOOL WINAPI CoolSB_GetScrollRange(HWND hwnd, int nBar, LPINT lpMinPos, LPINT lpMaxPos);
//
int WINAPI CoolSB_SetScrollInfo(HWND hwnd, int fnBar, LPSCROLLINFO lpsi, BOOL fRedraw);
int WINAPI CoolSB_SetScrollPos(HWND hwnd, int nBar, int nPos, BOOL fRedraw);
int WINAPI CoolSB_SetScrollRange(HWND hwnd, int nBar, int nMinPos, int nMaxPos, BOOL fRedraw);
BOOL WINAPI CoolSB_ShowScrollBar(HWND hwnd, int wBar, BOOL fShow);
//
// Scrollbar dimension functions
//
BOOL WINAPI CoolSB_SetSize(HWND hwnd, int wBar, int nLength, int nWidth);
//
// Set the visual nature of a scrollbar (flat, normal etc)
//
BOOL WINAPI CoolSB_SetStyle(HWND hwnd, int wBar, UINT nStyle);
BOOL WINAPI CoolSB_SetThumbAlways(HWND hwnd, int wBar, BOOL fThumbAlways);
//
// Scrollbar button structure, for inserted buttons only
//
struct SCROLLBUT
{
UINT fMask; // which members are in use
UINT uPlacement; // is this button to the left/right (above/below) of the scrollbar??
UINT uCmdId; // command identifier (WM_COMMAND value to send)
UINT uButType;
UINT uState; // toggled etc
int nSize; // size in pixels. -1 for autosize
HBITMAP hBmp; // handle to a bitmap to use as the button face
HENHMETAFILE hEmf; // handle to an enhanced metafile
HCURSOR hCurs; // handle to a user-supplied mouse cursor to apply
// to this button
int nSizeReserved; // internal variable used for resizing
int nMinSize; // min size
int nMaxSize; // max size
};
struct NMCSBCUSTOMDRAW
{
NMHDR hdr;
uint32_t dwDrawStage;
HDC hdc;
RECT rect;
UINT uItem;
UINT uState;
UINT nBar;
};
struct NMCOOLBUTMSG
{
NMHDR hdr;
RECT rect;
POINT pt;
UINT uCmdId;
UINT uState;
int nBar;
};
//
// Define the WM_NOTIFY code value for cool-scrollbar custom drawing
//
#define NM_COOLSB_CUSTOMDRAW (0-0xfffU)
#ifdef __cplusplus
}
#endif
#endif
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