// ------------------------------------------------------------------ // 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 ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ 01 // 01 Msg# : 02 // 02 From : 03 // 03 To : 04 // 04 Subj : 05 // 05 ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ 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 ÛGoldED xxxx (statusline) 25 // ³ ³ ³ // ³ ³ ÀÄÄÄÄ one-based old-style coord // ³ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ editor window corrdinates // ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ 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); void dispstring (const char* __string, uint __row, int attr=-1, Line* line=NULL); 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* insertlinebelow (Line* __currline, const char* __text = NULL, long __batch_mode = 0); int isempty (Line* __line=NULL); void killkillbuf (); void killpastebuf (); void prints (int wrow, int wcol, int atr, const 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(); } // ------------------------------------------------------------------