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221 lines
6.2 KiB
C++
221 lines
6.2 KiB
C++
#ifndef _SCROLLWND_H
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#define _SCROLLWND_H
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/* minimum size of scrollbar before inserted buttons are
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hidden to make room when the window is sized too small */
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#define MIN_COOLSB_SIZE 24
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/* min size of scrollbar when resizing a button, before the
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resize is stopped because the scrollbar has gotten too small */
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#define MINSCROLLSIZE 50
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/* a normal scrollbar "snaps" its scroll-thumb back into position if
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you move the mouse too far away from the window, whilst you are
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dragging the thumb, that is. #undeffing this results in the thumb
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never snapping back into position, no matter how far away you move
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the mouse */
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#define SNAP_THUMB_BACK
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/* distance (in pixels) the mouse must move away from the thumb
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during tracking to cause the thumb bar to snap back to its
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starting place. Has no effect unless SNAP_THUMB_BACK is defined */
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#define THUMBTRACK_SNAPDIST 128
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#include <windows.h>
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// To complement the exisiting SB_HORZ, SB_VERT, SB_BOTH
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// scrollbar identifiers
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#define COOLSB_NONE (-1)
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#define SB_INSBUT (-2)
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//
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// Arrow size defines
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//
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#define SYSTEM_METRIC (-1)
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//
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// general scrollbar styles
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//
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// use the standard ESB_DISABLE_xxx flags to represent the
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// enabled / disabled states. (defined in winuser.h)
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//
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#define CSBS_THUMBALWAYS 4
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#define CSBS_VISIBLE 8
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//cool scrollbar styles for Flat scrollbars
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#define CSBS_NORMAL 0
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#define CSBS_FLAT 1
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#define CSBS_HOTTRACKED 2
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//
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// Button mask flags for indicating which members of SCROLLBUT
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// to use during a button insertion / modification
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//
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#define SBBF_TYPE 0x0001
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#define SBBF_ID 0x0002
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#define SBBF_PLACEMENT 0x0004
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#define SBBF_SIZE 0x0008
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#define SBBF_BITMAP 0x0010
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#define SBBF_ENHMETAFILE 0x0020
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//#define SBBF_OWNERDRAW 0x0040 //unused at present
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#define SBBF_CURSOR 0x0080
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#define SBBF_BUTMINMAX 0x0100
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#define SBBF_STATE 0x0200
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//button styles (states)
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#define SBBS_NORMAL 0
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#define SBBS_PUSHED 1
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#define SBBS_CHECKED SBBS_PUSHED
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//
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// scrollbar button types
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//
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#define SBBT_PUSHBUTTON 1 //standard push button
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#define SBBT_TOGGLEBUTTON 2 //toggle button
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#define SBBT_FIXED 3 //fixed button (non-clickable)
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#define SBBT_FLAT 4 //blank area (flat, with border)
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#define SBBT_BLANK 5 //blank area (flat, no border)
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#define SBBT_DARK 6 //dark blank area (flat)
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#define SBBT_OWNERDRAW 7 //user draws the button via a WM_NOTIFY
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#define SBBT_MASK 0x1f //mask off low 5 bits
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//button type modifiers
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#define SBBM_RECESSED 0x0020 //recessed when clicked (like Word 97)
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#define SBBM_LEFTARROW 0x0040
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#define SBBM_RIGHTARROW 0x0080
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#define SBBM_UPARROW 0x0100
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#define SBBM_DOWNARROW 0x0200
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#define SBBM_RESIZABLE 0x0400
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#define SBBM_TYPE2 0x0800
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#define SBBM_TYPE3 0x1000
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#define SBBM_TOOLTIPS 0x2000 //currently unused (define COOLSB_TOOLTIPS in userdefs.h)
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//button placement flags
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#define SBBP_LEFT 1
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#define SBBP_RIGHT 2
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#define SBBP_TOP 1 //3
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#define SBBP_BOTTOM 2 //4
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//
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// Button command notification codes
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// for sending with a WM_COMMAND message
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//
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#define CSBN_BASE 0
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#define CSBN_CLICKED (1 + CSBN_BASE)
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#define CSBN_HILIGHT (2 + CSBN_BASE)
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//
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// Minimum size in pixels of a scrollbar thumb
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//
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#define MINTHUMBSIZE_NT4 9
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#define MINTHUMBSIZE_2000 7
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//define some more hittest values for our cool-scrollbar
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#define HTSCROLL_LEFT (SB_LINELEFT)
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#define HTSCROLL_RIGHT (SB_LINERIGHT)
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#define HTSCROLL_UP (SB_LINEUP)
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#define HTSCROLL_DOWN (SB_LINEDOWN)
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#define HTSCROLL_THUMB (SB_THUMBTRACK)
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#define HTSCROLL_PAGEGUP (SB_PAGEUP)
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#define HTSCROLL_PAGEGDOWN (SB_PAGEDOWN)
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#define HTSCROLL_PAGELEFT (SB_PAGELEFT)
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#define HTSCROLL_PAGERIGHT (SB_PAGERIGHT)
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#define HTSCROLL_NONE (-1)
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#define HTSCROLL_NORMAL (-1)
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#define HTSCROLL_INSERTED (128)
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#define HTSCROLL_PRE (32 | HTSCROLL_INSERTED)
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#define HTSCROLL_POST (64 | HTSCROLL_INSERTED)
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//
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// SCROLLBAR datatype. There are two of these structures per window
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//
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#define SCROLLBAR_LISTVIEW 1 // scrollbar is for a listview
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typedef struct
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{
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UINT fScrollFlags; //flags
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BOOL fScrollVisible; //if this scrollbar visible?
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SCROLLINFO scrollInfo; //positional data (range, position, page size etc)
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int nArrowLength; //perpendicular size (height of a horizontal, width of a vertical)
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int nArrowWidth; //parallel size (width of horz, height of vert)
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//data for inserted buttons
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int nButSizeBefore; //size to the left / above the bar
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int nButSizeAfter; //size to the right / below the bar
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BOOL fButVisibleBefore; //if the buttons to the left are visible
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BOOL fButVisibleAfter; //if the buttons to the right are visible
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int nBarType; //SB_HORZ / SB_VERT
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UINT fFlatScrollbar; //do we display flat scrollbars?
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int nMinThumbSize;
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int flags;
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} SCROLLBAR;
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//
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// PRIVATE INTERNAL FUNCTIONS
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//
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#define COOLSB_TIMERID1 65533 //initial timer
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#define COOLSB_TIMERID2 65534 //scroll message timer
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#define COOLSB_TIMERID3 -14 //mouse hover timer
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#define COOLSB_TIMERINTERVAL1 300
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#define COOLSB_TIMERINTERVAL2 55
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#define COOLSB_TIMERINTERVAL3 20 //mouse hover time
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//
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// direction: 0 - same axis as scrollbar (i.e. width of a horizontal bar)
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// 1 - perpendicular dimesion (i.e. height of a horizontal bar)
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//
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#define SM_CXVERTSB 1
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#define SM_CYVERTSB 0
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#define SM_CXHORZSB 0
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#define SM_CYHORZSB 1
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#define SM_SCROLL_WIDTH 1
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#define SM_SCROLL_LENGTH 0
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class ScrollWnd {
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public:
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ScrollWnd(HWND hwnd, int flags=0);
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~ScrollWnd();
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void update();
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HWND m_hwnd;
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UINT bars; //which of the scrollbars do we handle? SB_VERT / SB_HORZ / SB_BOTH
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WNDPROC oldproc; //old window procedure to call for every message
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BOOL fWndUnicode;
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SCROLLBAR sbarHorz; //one scrollbar structure each for
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SCROLLBAR sbarVert; //the horizontal and vertical scrollbars
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BOOL fThumbTracking; // are we currently thumb-tracking??
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BOOL fLeftScrollbar; // support the WS_EX_LEFTSCROLLBAR style
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//size of the window borders
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int cxLeftEdge, cxRightEdge;
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int cyTopEdge, cyBottomEdge;
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// To prevent calling original WindowProc in response
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// to our own temporary style change (fixes TreeView problem)
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BOOL bPreventStyleChange;
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void updatesb(int fnBar, BOOL *fRecalcFrame);
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void disableHorzScroll();
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//int setScrollInfo(int fnBar, LPSCROLLINFO lpsi, BOOL fRedraw);
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int m_disable_hscroll;
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int m_xp_theme_disabled;
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};
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#endif
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