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deb-goldedplus/golded3/geedit.h

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Initial revision.
2000-02-25 11:04:07 +00:00
// ------------------------------------------------------------------
// GoldED+
// Copyright (C) 1990-1999 Odinn Sorensen
// Copyright (C) 1999-2000 Alexander S. Aganichev
// ------------------------------------------------------------------
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston,
// MA 02111-1307 USA
// ------------------------------------------------------------------
// $Id$
// ------------------------------------------------------------------
// The Internal Editor (IE).
// ------------------------------------------------------------------
#ifdef __GNUG__
#pragma interface "geedit.h"
#endif
// ------------------------------------------------------------------
// Screen coordinate models
// ------------------------------------------------------------------
//
// 00 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 01
// 01 Msg# : 02
// 02 From : 03
// 03 To : 04
// 04 Subj : 05
// 05 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 06
// 06 00 EDIT_MINROW 07 EDIT_MIN_ROW
// 07 01 08
// 08 02 09
// 09 03 10
// 10 04 11
// 11 05 12
// 12 06 13
// 13 07 14
// 14 08 15
// 15 09 16
// 16 10 17
// 17 11 18
// 18 12 19
// 19 13 10
// 10 14 21
// 21 15 22
// 22 16 23
// 23 17 EDIT_MAXROW 24 EDIT_MAX_ROW
// 24 <20>GoldED xxxx (statusline) 25
// <20> <20> <20>
// <20> <20> <20><><EFBFBD><EFBFBD><EFBFBD> one-based old-style coord
// <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> editor window corrdinates
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> actual screen coordinates
//
// ------------------------------------------------------------------
// ------------------------------------------------------------------
// Defines
#define EDIT_BUFLEN 256
#define EDIT_PARABUFLEN 2048
#define EDIT_UNDO_CHAR 0x00000010U
#define EDIT_UNDO_INS_CHAR 0x00000011U
#define EDIT_UNDO_DEL_CHAR 0x00000012U
#define EDIT_UNDO_OVR_CHAR 0x00000014U
#define EDIT_UNDO_TEXT 0x00001000U
#define EDIT_UNDO_DEL_TEXT 0x00001100U
#define EDIT_UNDO_CUT_TEXT 0x00001200U
#define EDIT_UNDO_INS_TEXT 0x00001400U
#define EDIT_UNDO_WRAP_TEXT 0x00001800U
#define EDIT_UNDO_LINE 0x00100000U
#define EDIT_UNDO_DEL_LINE 0x00110000U
#define EDIT_UNDO_NEW_LINE 0x00120000U
#define EDIT_UNDO_PUSH_LINE 0x00140000U
#define EDIT_UNDO_POP_LINE 0x00180000U
#define EDIT_UNDO_ORPHAN_LINE 0x00190000U
#define EDIT_UNDO_VOID 0x00000000U
#define EDIT_UNDO_TYPE 0x00101010U
#define EDIT_UNDO_ACTION 0x001F1F1FU
#define LAST_LINE 0x20000000U
#define PREV_LINE 0x40000000U
#define BATCH_MODE 0x80000000U
#define NO_VALUE 0xFFFFFFFFU
// ------------------------------------------------------------------
// Globals
extern int CFG__editquotewrap;
extern Line* Edit__killbuf;
extern Line* Edit__pastebuf;
extern Path Edit__exportfilename;
// ------------------------------------------------------------------
// Reality check define and function
#ifdef NDEBUG
#define _test_halt(__t)
#define _test_haltab(__t, __a, __b)
#else
#define _test_halt(__t) if(__t) { debugtest(#__t, 0, 0, __FILE__, __LINE__, false); }
#define _test_haltab(__t, __a, __b) if(__t) { debugtest(#__t, __a, __b, __FILE__, __LINE__, true); }
#endif
// ------------------------------------------------------------------
// Undo data structures
class text_item {
public:
uint col; // Begining offset in the .text string
uint len; // Text length
__extension__ char text[0]; // Text string itself
text_item(uint __col, uint __len) : col(__col), len(__len) { }
void* operator new(size_t size, uint text_len = 0) { return malloc(sizeof(text_item) + size + text_len); }
void operator delete(void* ptr) { free(ptr); }
};
// ----------------------------------------------------------------
union data_rec {
text_item* text_ptr;
Line* line_ptr;
void* void_ptr;
char char_int;
};
struct col_rec {
uint num;
uint sav;
};
// ----------------------------------------------------------------
class UndoItem {
static UndoItem** last_item;
friend class UndoStack;
public:
UndoItem* prev;
Line* line; // Cursor line
col_rec col; // Cursor column
uint pcol; // After undo move cursor to pcol, prow
uint prow; //
uint action; // Undo action
data_rec data; // Undo data
UndoItem() { this->prev = *last_item; }
~UndoItem() { *last_item = this->prev; }
};
// ----------------------------------------------------------------
class IEclass;
class UndoStack {
IEclass* editor;
uint& row;
uint& col;
uint& pcol;
uint& prow;
uint& minrow;
uint& maxrow;
uint& thisrow;
Line*& currline;
bool& undo_ready;
public:
UndoItem* last_item;
bool undo_enabled;
UndoStack(IEclass* this_editor);
~UndoStack();
bool FixPushLine(Line* __line);
void PushItem(uint action, Line* __line = NULL, uint __col = NO_VALUE, uint __len = NO_VALUE);
void PlayItem();
};
// ------------------------------------------------------------------
// Internal Editor Class
class IEclass : public Container {
public:
gwindow editwin; // window
protected:
// ----------------------------------------------------------------
// Editor window data
int win_mincol; // First column
int win_minrow; // First row
int win_maxcol; // Last column
int win_maxrow; // Last row
int win_border; // Border type
int win_hasborder; // 1 == window has a border, 0 == no border
// ----------------------------------------------------------------
// Window-relative minimum/maximum values
uint mincol;
uint minrow;
uint maxcol;
uint maxrow;
// ----------------------------------------------------------------
// Cursor coordinates
uint col;
uint row;
uint pcol;
uint prow;
uint ccol;
uint crow;
// ----------------------------------------------------------------
// Undo stuff
friend class UndoStack;
UndoStack* Undo;
long batch_mode;
bool undo_ready;
// ----------------------------------------------------------------
// Misc.
int chartyped;
Line* currline;
int done;
int insert;
int marginquotes;
int margintext;
int msgmode;
GMsg* msgptr;
int quitnow;
uint thisrow;
char* unfinished;
int blockcol;
int selecting;
// ----------------------------------------------------------------
// Internal helper functions
void clreol (int __col=-1, int __row=-1);
void cursoroff ();
void cursoron ();
void deleteline (bool zapquotesbelow = false);
int dispchar (vchar __ch, int attr=-1);
void dispins ();
void displine (Line* __line, uint __row);
Line->txt now STL-based.
2000-03-22 17:59:18 +00:00
void dispstring (const char* __string, uint __row, int attr=-1, Line* line=NULL);
Initial revision.
2000-02-25 11:04:07 +00:00
int downoneline (uint __row);
void editexport (Line* __exportline, int __endat);
Line* findanchor ();
Line* findfirstline ();
Line* findtopline ();
void getthisrow (Line* __currline);
void gotorowcol (uint __col, uint __row);
int handlekey (gkey __key);
void editimport (Line* __line, char* __filename, bool imptxt = false);
void imptxt (char* __filename, bool imptxt = false);
void insertchar (char __ch);
Line->txt now STL-based.
2000-03-22 17:59:18 +00:00
Line* insertlinebelow (Line* __currline, const char* __text = NULL, long __batch_mode = 0);
Initial revision.
2000-02-25 11:04:07 +00:00
int isempty (Line* __line=NULL);
void killkillbuf ();
void killpastebuf ();
void prints (int wrow, int wcol, int atr, char* str);
int reflowok (char* __qstr);
void refresh (Line* __currline, uint __row);
void savefile (int __status);
void scrolldown (int __scol, int __srow, int __ecol, int __erow, int __lines=1);
void scrollup (int __scol, int __srow, int __ecol, int __erow, int __lines=1);
void setcolor (Line* __line);
void setlinetype (Line* __line);
void statusline ();
void windowclose ();
void windowopen ();
Line* wrapit (Line** __currline, uint* __curr_col, uint* __curr_row, int __display=YES);
Line* wrapdel (Line** __currline, uint* __curr_col, uint* __curr_row, int __display=YES);
Line* wrapins (Line** __currline, uint* __curr_col, uint* __curr_row, int __display=YES);
#ifndef NDEBUG
void debugtest (char* __test, int __a, int __b, char* __file, int __line, int __values);
#endif
void Buf2Clip ();
void Clip2Buf ();
public:
// ----------------------------------------------------------------
// Constructor and destructor
IEclass(int __scol, int __ecol, int __srow, int __erow, int __border);
~IEclass();
// ----------------------------------------------------------------
// Function to start the editor
int Start(int __mode, uint* __position, GMsg* __msg);
// ----------------------------------------------------------------
// User key functions
void Abort ();
void AskExit ();
void BlockAnchor ();
void BlockCopy ();
void BlockCut (bool just_delete = false);
void BlockPaste ();
void BlockDel (Line* _anchor);
void ClearDeleteBuf ();
void ClearPasteBuf ();
void CopyAboveChar ();
void DelChar ();
void DeleteEOL ();
void DelLeft ();
void DelLine ();
void DelLtWord ();
void DelRtWord ();
void DosShell ();
void DupLine ();
void ExitMsg ();
void ExportText ();
void GoBegLine ();
void GoBotLine ();
void GoBotMsg ();
void GoDown ();
void GoEOL ();
void GoLeft ();
void GoPgDn ();
void GoPgUp ();
void GoRight ();
void GoTopLine ();
void GoTopMsg ();
void GoUp ();
void GoWordLeft ();
void GoWordRight ();
void Header ();
void ImportQuotebuf ();
void ImportText ();
void LoadFile ();
void LookupCursor ();
void LookupDest ();
void LookupOrig ();
void Newline ();
void QuitNow ();
void Reflow ();
void ReTab ();
void SaveFile ();
void SaveMsg ();
void Soundkill ();
void SpellCheck ();
void Tab ();
void ToggleCase ();
void ToggleInsert ();
void ToLower ();
void ToUpper ();
void UnDelete (bool before=true);
void ZapQuoteBelow ();
// ----------------------------------------------------------------
};
// ------------------------------------------------------------------
void Edit__killpastebuf(void);
inline void IEclass::killpastebuf() { Edit__killpastebuf(); }
// ------------------------------------------------------------------
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