medit.h

在ｅｃｏｓ 下mingui 的移植开发

//
// $Id: medit.h,v 1.4 2000/11/28 04:39:24 ymwei Exp $
//
// edit.h: the head file of Edit Control module.
//
// Copyright (c) 1999, Wei Yongming.
// Create date: 1999/8/26
//

#ifndef GUI_MEDIT_H_
#define GUI_MEDIT_H_

#ifdef  __cplusplus
extern  "C" {
#endif

#define WIDTH_MEDIT_BORDER       2
#define MARGIN_MEDIT_LEFT        1
#define MARGIN_MEDIT_TOP         1
#define MARGIN_MEDIT_RIGHT       2
#define MARGIN_MEDIT_BOTTOM      1

#define LEN_MLEDIT_BUFFER       3000
#define LEN_MLEDIT_UNDOBUFFER   1024
#define MAX_IMPOSSIBLE			10000

#define EST_FOCUSED     0x00000001L
#define EST_MODIFY      0x00000002L
#define EST_READONLY    0x00000004L
#define EST_REPLACE     0x00000008L

#define MEDIT_OP_NONE    0x00
#define MEDIT_OP_DELETE  0x01
#define MEDIT_OP_INSERT  0x02
#define MEDIT_OP_REPLACE 0x03

/*typedef struct tagMLEDITDATA
{
    int     bufferLen;      // length of buffer

    int     dataEnd;        // data end position
    int     editPos;        // current edit position
	int     editLine;		// current eidt line
    int     caretOff;       // caret offset in box
	int     caretLine;
    int     startPos;       // start display position
    
    int     selStart;       // selection start position
	int     selStartLine;   // selection start line
    int     selEnd;         // selection end position
	int     selEndLine;     // selection end line
    
    int     passwdChar;     // password character
    
    int     leftMargin;     // left margin
    int     topMargin;      // top margin
    int     rightMargin;    // right margin
    int     bottomMargin;   // bottom margin
    
    int     hardLimit;      // hard limit

    int     lastOp;         // last operation
    int     lastPos;        // last operation position
	int     lastLine;       // last operation line
    int     affectedLen;    // affected len of last operation
    int     undoBufferLen;  // undo buffer len
    char    undoBuffer [LEN_MLEDIT_UNDOBUFFER];
                            // Undo buffer;
    
    char    buffer [LEN_MLEDIT_BUFFER];
                            // buffer
}MLEDITDATA;
typedef MLEDITDATA* PMLEDITDATA;
  */  

typedef struct tagLINEDATA
{
	int     lineNO;	                  // 行号
	int     dataEnd; 
	struct  tagLINEDATA *previous;    // 前一行
	struct  tagLINEDATA *next;        // 后一行 
	char    buffer[LEN_MLEDIT_BUFFER+1];
}LINEDATA;
typedef    LINEDATA*     PLINEDATA;

typedef struct tagMLEDITDATA
{
    DWORD   status;         // status of box
    int     totalLen;       // length of buffer,可能没有用

    int     editPos;        // current edit position
    int     caretPos;       // caret offset in box
	int     editLine;		// current eidt line
	int     dispPos;        // 开始显示的位置
	int     StartlineDisp;  // start line displayed
    int     EndlineDisp;    // end line displayed
    int     linesDisp;      // 需要显示的行数
	int     lines;		    // 总的行数`
	int     MaxlinesDisp;   // 最大显示的行数.
							
    int     selStartPos;    // selection start position
	int     selStartLine;   // selection start line
    int     selEndPos;      // selection end position
	int     selEndLine;     // selection end line
    
    int     passwdChar;     // password character
    
    int     leftMargin;     // left margin
    int     topMargin;      // top margin
    int     rightMargin;    // right margin
    int     bottomMargin;   // bottom margin
    
    int     hardLimit;      // hard limit

    int     lastOp;         // last operation
    int     lastPos;        // last operation position
	int     lastLine;       // last operation line
    int     affectedLen;    // affected len of last operation
    int     undoBufferLen;  // undo buffer len
    char    undoBuffer [LEN_MLEDIT_UNDOBUFFER];
                            // Undo buffer;
   	PLINEDATA   head;       // buffer
	PLINEDATA   tail;       // 可能不需要
							// added by leon for charset support
	int		fit_chars;		// number of valid units to display
	int*	pos_chars;		// postion of each valid unit in buffer
	int*	dx_chars;		// display postion of each valid unit
	SIZE	sz;				// display rect size
	int 	veditPos;		// editPos position of valid unit in both arrays
	int 	vdispPos;		// dispPos position of valid unit in both arrays
	int 	realeditLine;	// the 'real' line number that the cursor should be on if visible
	int 	realdispPos;	// the 'real' valid unit edit position that the cursor should be on if visible
	int 	realstartLine;	// the 'real' valid start line number
	int 	realendLine;	// the 'real' valid end line number
							// end add
	
    PLOGFONT logfont;
	
}MLEDITDATA;
typedef MLEDITDATA* PMLEDITDATA;

BOOL RegisterMLEditControl (void);
void MLEditControlCleanup (void);
int  MLEditCtrlProc (HWND hWnd, int message, WPARAM wParam, LPARAM lParam);

#ifdef __cplusplus
}
#endif

#endif // GUI_MEDIT_H_