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/*
* Author: William Chia-Wei Cheng (bill.cheng@acm.org)
*
* Copyright (C) 2001-2009, William Chia-Wei Cheng.
*
* This file may be distributed under the terms of the Q Public License
* as defined by Trolltech AS of Norway and appearing in the file
* LICENSE.QPL included in the packaging of this file.
*
* THIS FILE IS PROVIDED AS IS WITH NO WARRANTY OF ANY KIND, INCLUDING
* THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* @(#)$Header: /mm2/home/cvs/bc-src/tgif/scroll.e,v 1.6 2011/05/16 16:21:59 william Exp $
*/
#ifndef _SCROLL_E_
#define _SCROLL_E_
extern int autoPan;
extern int scrollingCanvas;
extern int smoothScrollingCanvas;
extern int resetOriginOnAdvancePage;
#ifdef _INCLUDE_FROM_SCROLL_C_
#undef extern
#define extern
#endif /*_INCLUDE_FROM_SCROLL_C_*/
extern int TgAnyButtonDown ARGS_DECL((Display*, Window));
extern int TgPressButtonLoop ARGS_DECL((Display*, Window, struct BBRec *,
ScrollBtnCallbackInfo*));
extern int TgGetScrollHit ARGS_DECL((int x, int y, int orientation,
int scroll_area_w, int scroll_area_h,
double start_frac, int length,
int total, int *pn_offset));
extern void TgDrawScrollBar ARGS_DECL((Display*, Window, int orientation,
int x_off, int y_off,
int scroll_area_w, int scroll_area_h,
double start_frac, int length,
int total));
extern void RedrawVScrollWindow ARGS_DECL((void));
extern void RedrawHScrollWindow ARGS_DECL((void));
extern void RedrawScrollBars ARGS_DECL((void));
extern void GetMaxScrollOrigin ARGS_DECL((int *pn_orig_x, int *pn_orig_y));
extern void ScrollTo ARGS_DECL((int XOff, int YOff));
extern void ScrollUp ARGS_DECL((XButtonEvent *));
extern void ForceScrollDown ARGS_DECL((int));
extern void ScrollDown ARGS_DECL((XButtonEvent *));
extern void ScrollLeft ARGS_DECL((XButtonEvent *));
extern void ScrollRight ARGS_DECL((XButtonEvent *));
extern void ScrollEventHandler ARGS_DECL((XEvent *));
extern void ScrollToSpecifiedOrigin ARGS_DECL((int page_num, int orig_x,
int orig_y, int zoom_scale,
int zoomed_in));
extern int ScrollToOrigin ARGS_DECL((void));
extern void SaveOrigin ARGS_DECL((void));
extern void SetOrigin ARGS_DECL((int x, int y, int zoom_scale,
int zoomed_in));
extern void GetOrigin ARGS_DECL((int *pn_x, int *pn_y, int *pn_zoom_scale,
int *pn_zoomed_in));
extern void CleanUpScrolls ARGS_DECL((void));
extern void UpdScrollWinWH ARGS_DECL((void));
extern void InitScroll ARGS_DECL((void));
extern void ChangeScrollMode ARGS_DECL((int ModeIndex));
extern int RefreshScrollModeMenu ARGS_DECL((TgMenu*));
extern TgMenu *CreateScrollModeMenu ARGS_DECL((TgMenu*, int X, int Y,
TgMenuInfo*,
int status_str_xlated));
#ifdef _INCLUDE_FROM_SCROLL_C_
#undef extern
#ifndef _NO_RECURSIVE_EXTERN
#define extern extern
#endif /* ~_NO_RECURSIVE_EXTERN */
#endif /*_INCLUDE_FROM_SCROLL_C_*/
#endif /*_SCROLL_E_*/
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