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#ifndef _SCROLLWND_H
#define _SCROLLWND_H
/* minimum size of scrollbar before inserted buttons are
hidden to make room when the window is sized too small */
#define MIN_COOLSB_SIZE 24
/* min size of scrollbar when resizing a button, before the
resize is stopped because the scrollbar has gotten too small */
#define MINSCROLLSIZE 50
/* a normal scrollbar "snaps" its scroll-thumb back into position if
you move the mouse too far away from the window, whilst you are
dragging the thumb, that is. #undeffing this results in the thumb
never snapping back into position, no matter how far away you move
the mouse */
#define SNAP_THUMB_BACK
/* distance (in pixels) the mouse must move away from the thumb
during tracking to cause the thumb bar to snap back to its
starting place. Has no effect unless SNAP_THUMB_BACK is defined */
#define THUMBTRACK_SNAPDIST 128
#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 9
#define MINTHUMBSIZE_2000 7
//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)
//
// SCROLLBAR datatype. There are two of these structures per window
//
#define SCROLLBAR_LISTVIEW 1 // scrollbar is for a listview
typedef struct
{
UINT fScrollFlags; //flags
BOOL fScrollVisible; //if this scrollbar visible?
SCROLLINFO scrollInfo; //positional data (range, position, page size etc)
int nArrowLength; //perpendicular size (height of a horizontal, width of a vertical)
int nArrowWidth; //parallel size (width of horz, height of vert)
//data for inserted buttons
int nButSizeBefore; //size to the left / above the bar
int nButSizeAfter; //size to the right / below the bar
BOOL fButVisibleBefore; //if the buttons to the left are visible
BOOL fButVisibleAfter; //if the buttons to the right are visible
int nBarType; //SB_HORZ / SB_VERT
UINT fFlatScrollbar; //do we display flat scrollbars?
int nMinThumbSize;
int flags;
} SCROLLBAR;
//
// PRIVATE INTERNAL FUNCTIONS
//
#define COOLSB_TIMERID1 65533 //initial timer
#define COOLSB_TIMERID2 65534 //scroll message timer
#define COOLSB_TIMERID3 -14 //mouse hover timer
#define COOLSB_TIMERINTERVAL1 300
#define COOLSB_TIMERINTERVAL2 55
#define COOLSB_TIMERINTERVAL3 20 //mouse hover time
//
// direction: 0 - same axis as scrollbar (i.e. width of a horizontal bar)
// 1 - perpendicular dimesion (i.e. height of a horizontal bar)
//
#define SM_CXVERTSB 1
#define SM_CYVERTSB 0
#define SM_CXHORZSB 0
#define SM_CYHORZSB 1
#define SM_SCROLL_WIDTH 1
#define SM_SCROLL_LENGTH 0
class ScrollWnd {
public:
ScrollWnd(HWND hwnd, int flags=0);
~ScrollWnd();
void update();
HWND m_hwnd;
UINT bars; //which of the scrollbars do we handle? SB_VERT / SB_HORZ / SB_BOTH
WNDPROC oldproc; //old window procedure to call for every message
BOOL fWndUnicode;
SCROLLBAR sbarHorz; //one scrollbar structure each for
SCROLLBAR sbarVert; //the horizontal and vertical scrollbars
BOOL fThumbTracking; // are we currently thumb-tracking??
BOOL fLeftScrollbar; // support the WS_EX_LEFTSCROLLBAR style
//size of the window borders
int cxLeftEdge, cxRightEdge;
int cyTopEdge, cyBottomEdge;
// To prevent calling original WindowProc in response
// to our own temporary style change (fixes TreeView problem)
BOOL bPreventStyleChange;
void updatesb(int fnBar, BOOL *fRecalcFrame);
void disableHorzScroll();
//int setScrollInfo(int fnBar, LPSCROLLINFO lpsi, BOOL fRedraw);
int m_disable_hscroll;
int m_xp_theme_disabled;
};
#endif
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