111 lines
4.3 KiB
C
111 lines
4.3 KiB
C
/* OpenDoors Online Software Programming Toolkit
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* (C) Copyright 1991 - 1999 by Brian Pirie.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*
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* File: ODScrn.h
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*
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* Description: Functions used to access the local display screen buffer, which
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* keeps a copy of the text that is displayed on the remote
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* terminal. The local display screen buffer also displays the
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* OpenDoors status lines on some platforms. In addition to
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* maintaining the current screen buffer, the odscrn.c module
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* also contains the code to display this buffer on the screen.
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*
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* Revisions: Date Ver Who Change
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* ---------------------------------------------------------------
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* Nov 14, 1995 6.00 BP Created.
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* Jan 21, 1996 6.00 BP Added ODScrnShowMessage() and related.
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* Jan 27, 1996 6.00 BP Made text-mode window f'ns static.
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* Jan 31, 1996 6.00 BP Made them non-static again.
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* Jan 31, 1996 6.00 BP Added ODScrnLocalInput().
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* Feb 19, 1996 6.00 BP Changed version number to 6.00.
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* Mar 03, 1996 6.10 BP Begin version 6.10.
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* Mar 19, 1996 6.10 BP MSVC15 source-level compatibility.
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*/
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#ifndef _INC_ODSCRN
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#define _INC_ODSCRN
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#include "ODTypes.h"
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#include "ODPlat.h"
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/* Text information structure. */
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typedef struct
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{
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unsigned char winleft;
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unsigned char wintop;
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unsigned char winright;
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unsigned char winbottom;
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unsigned char attribute;
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unsigned char curx;
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unsigned char cury;
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} tODScrnTextInfo;
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/* Screen buffer initialization and shutdown functions. */
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tODResult ODScrnInitialize(void);
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void ODScrnShutdown(void);
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/* Basic text output functions. */
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void ODScrnDisplayChar(unsigned char chToOutput);
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void ODScrnDisplayBuffer(const char *pBuffer, INT nCharsToDisplay);
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void ODScrnDisplayString(const char *pszString);
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INT ODScrnPrintf(char *pszFormat, ...);
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/* Functions for manipulating rectangular areas of the screen buffer. */
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BOOL ODScrnGetText(BYTE btLeft, BYTE btTop, BYTE btRight, BYTE btBottom,
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void *pbtBuffer);
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BOOL ODScrnPutText(BYTE btLeft, BYTE btTop, BYTE btRight, BYTE btBottom,
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void *pbtBuffer);
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BOOL ODScrnCopyText(BYTE btLeft, BYTE btTop, BYTE btRight, BYTE btBottom,
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BYTE btDestColumn, BYTE btDestRow);
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/* Functions for clearing portions of the screen buffer. */
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void ODScrnClear(void);
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void ODScrnClearToEndOfLine(void);
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/* Functions for setting or obtaining current display settings. */
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void ODScrnSetBoundary(BYTE btLeft, BYTE btTop, BYTE btRight, BYTE btBottom);
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void ODScrnSetCursorPos(BYTE btColumn, BYTE btRow);
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void ODScrnSetAttribute(BYTE btAttribute);
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void ODScrnEnableScrolling(BOOL bEnable);
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void ODScrnEnableCaret(BOOL bEnable);
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void ODScrnGetTextInfo(tODScrnTextInfo *pTextInfo);
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/* Functions for displaying OpenDoors message window. */
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void *ODScrnShowMessage(char *pszText, int nFlags);
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void ODScrnRemoveMessage(void *pMessageInfo);
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/* Additional local output functions for text mode based versions. */
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#ifdef OD_TEXTMODE
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void *ODScrnCreateWindow(BYTE btLeft, BYTE btTop, BYTE btRight,
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BYTE btBottom, BYTE btAttribute, char *pszTitle, BYTE btTitleAttribute);
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void ODScrnDestroyWindow(void *pWindow);
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void ODScrnLocalInput(BYTE btLeft, BYTE btRow, char *pszString,
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BYTE btMaxChars);
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#endif /* OD_TEXTMODE */
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/* Functions for local screen window under Win32 version. */
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#ifdef ODPLAT_WIN32
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tODResult ODScrnStartWindow(HANDLE hInstance, tODThreadHandle *phScreenThread,
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HWND hwndFrame);
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void ODScrnSetFocusToWindow(void);
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void ODScrnAdjustWindows(void);
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#endif /* ODPLAT_WIN32 */
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#endif /* _INC_ODSCRN */
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