EnigmA Amiga Run 1997 April

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/ EnigmA Amiga Run 1997 April / EnigmA AMIGA RUN 17 (1997)(G.R. Edizioni)(IT)[!][issue 1997-04][EAR-CD].iso / EARCD / text / edit / amis.lha / amis / viewers / sources / Viewer.h < prev next >

Wrap

C/C++ Source or Header | 1996-12-30 | 14KB | 512 lines

/* AMIS Include for Viewers. (V1.01) In this file you almost everything you need to create you own viewer. This file is still under development, see later versions for a more complete documentation. */ struct LineInfo { short li_length; /* Don't change this !! */ short li_height; /* For more information see the Viewer structure. */ long li_viewerdata; /* This is for you... */ long li_viewerdata2; /* and so is this... */ }; struct EditWin { long wn_next; long wn_prev; char wn_type; char wn_pri; long wn_name; struct Window *wn_base; struct RastPort *wn_rast; long wn_gadget; short wn_innerwidth; short wn_innerheight; short wn_left; short wn_top; long *ed_memlist; long *ed_project; struct Font *ed_font; struct Viewer *ed_display; long ed_bookmarks[10]; long ed_viewerdata; /* This is for you */ long ed_moreviewerdata[16]; /* and so is this */ long ed_viewervar[10]; /* and some more */ long ed_viewerobj; /* and this one too */ char ed_flags; char ed_flags2; char ed_flags3; char ed_flags4; char ed_flags5; char ed_flags6; char ed_protectflags; char ed_moreflags; long ed_clip; short ed_tabsize; long ed_winchars; long ed_winlines; short ed_top_offset; short ed_pl_y_offset; short ed_pl_own_height; long ed_pl_total_y; short ed_bordertop; short ed_first_y; short ed_last_y; long ed_visible_y; long ed_topline; long ed_topline_tick; long ed_leftchar; long ed_lines; long ed_chars; long ed_line; long ed_oldtopline; long ed_oldtoppos; struct LineInfo *ed_linesinfo; char *ed_buffer; /* the text of this file */ long ed_bufsize; long ed_bufpos; char *ed_linebuf; /* this lines text */ char *ed_linebuf_backup; long ed_linebuflast; long ed_oldlinelength; long ed_char; long ed_winpos; long ed_cursoffset; short ed_curs_px1; short ed_curs_py1; short ed_curs_px2; short ed_curs_py2; short ed_buttonwidth; void *ed_buttonlist; long ed_slidertopline; long ed_sliderlines; short ed_slidersize; long ed_startpos; long ed_endpos; long ed_last_startpos; long ed_last_endpos; long ed_oldline; long ed_oldchar; long ed_mouseline; long ed_mousechar; long ed_mousepos; long ed_blocktemp1; long ed_blocktemp2; long ed_blocktemp3; long ed_blocktemp4; long ed_subpos; short ed_viewerbar_y; long ed_removefunc; short ed_statusbar_y; short ed_codebar_y; short ed_freebar; long ed_title_msg; short ed_tm_time; long ed_timerioreq; short ed_lineheight; char ed_path[144]; char ed_filename[144]; char ed_name[144]; char ed_screenname[100]; char ed_comment[80]; /* PRIVATE !! */ long ed_tmprastport; long ed_tmplayer; long ed_tmpbitmap; long ed_layerinfo; struct List ed_linelist; }; struct Viewer { struct Node vw_node; /* Fill in the name and set ln_type to the version of AMIS this viewer was made for. (See Versions below). */ long vw_loadseg; /* Set to zero! */ /* With the next three options you can tell AMIS for which files this viewer should be used. Note that the file must have all three before it will be recognized. You can set starttext and typicaltext to zero if neccessery. */ char *vw_filepattern; /* filepattern, e.g. "#?" */ char *vw_starttext; /* first text in file, e.g. "@database"*/ char *vw_typicaltext; /* some text somewhere in every file of your type, e.g. "@node" */ void (*vw_switchfunction)(); /* function to be called after every switch to this viewer */ char vw_flags1; /* flags for you, see below */ char vw_flags2; /* AMIS private flags ! */ void (*vw_display)(); /* the display function it self */ void (*vw_newpos)(); /* function to be called every time the cursor is moved */ void (*vw_getwinpos)(); /* return winpos when char is given */ void (*vw_getchar)(); /* return char when winpos is given */ void (*vw_codebar)(); /* return text to be displayed in codebar */ /* With the following three options you can change the height of the text lines. First textheights is multiplied by the height of the selected font and then topspacing and bottomspacing are added. The result is the height of a line on the screen (in pixels). If you wish to give different lines different heights you can add an offset in the second word of the linesinfo structure of every line. In must cases you will then set the following three options to zero and set the whole line height in the linesinfo structure. */ short vw_textheights; short vw_topspacing; short vw_bottomspacing; short vw_planes; /* number of bitplanes to be cleared/scrolled */ /* The next variable is used to reserve some space in the window for the viewerbar. The two functions behind it are called every time the viewerbar should be drawn and removed (free memory etc., you don't have to remove the actual graphics). */ short vw_barheight; void (*vw_viewerbar)(); void (*vw_remove_vb)(); /* The next two functions can be used to replace the normal cursright and cursleft functions. You can use this the jump the cursor over text commands or other places the cursor shouldn't be. Beware that when the cursor is in the codebar the normal functions will always be used! */ void (*vw_cursright)(); void (*vw_cursleft)(); /* In vw_font you MUST pass an opened font you wish to you use for displaying your text. If you wish to use the default font simply copy the font passed to you in the AMIS structure. */ struct Font *vw_font; /* The next function is used for breaking lines. When this function is called you should return the VISIBLE part of the line that is passed to you. This means you should filter out everything that will not appear on the screen. AMIS will check this line for spaces to break a line. If there are spaces on the screen where the line should be broken you sould set an '_' in the line you give back instead of a ' '. This way you have complete control over where lines may and may not be broken. */ void (*vw_plaintext)(); /* The next option will be used to make it possible to define different functions for keys in different viewers. This isn't completely working yet and for now it is best to point to an empty list (you may also pass a zero if you wish). */ struct List *vw_keylist; /* The next two functions are called every time a file is loaded / saved or the user switches to this viewer or an other viewer. You may use these functions to filter out text that should not be displayed or something like that. Please not that the savefilter should set back all this information, otherwise some text might 'get lost' without the user knowing about it (not very user friendly, don't you think ?). */ void (*vw_loadfilter)(); void (*vw_savefilter)(); /* The next function is the unload function wish will be called when AMIS is quiting. This function allows you to free recources, close fonts, free images, etc. */ void (*vw_unload)(); /* The next option is a pointer to the text you want to be displayed in the viewer info requester. Lines can be seperated with a '|' sign. */ char *vw_infotext; /* The next function should set all your variables to there initial state. (As if a new window was opened without any text in it.) */ void (*vw_clear)(); /* The next function will be called after the AMIS screen is opened (bootup and UnIconify). */ void (*vw_openscreen)(); /* The next function will be called when the AMIS screen is close (quiting and Iconify). */ void (*vw_closescreen)(); /* The next function is called every time the cursor is drawn, return 1 if you rendered the cursor yourself, 0 otherwise. */ long (*vw_drawcurs)(); /* The next function called when the user tries to insert a character on a writeprotected line. Return 1 if it may be inserted, 0 otherwise. */ void (*vw_checkprotection)(); /* The next function is called when the user gives a Fold command. If you want to support folding you should set your fold function here. */ void (*vw_fold)(); /* The next function is called when the user gives a UnFold command. If you want to support folding you should set your unfold function here. */ void (*vw_unfold)(); /* The next function is called when the user gives a Fold TOGGLE command. If you want to support folding you should set your fold toggle function here. */ void (*vw_togglefold)(); }; /* Versions of AMIS that can be given in the ln_type field of the viewer structure. */ #define AMIS_0_97 0 #define AMIS_0_98 1 /* also has a vw_clear field. */ #define AMIS_0_99 2 /* also has vw_openscreen and vw_closescreen fields. */ #define AMIS_1_00 3 /* also has vw_drawcurs, vw_checkprotection, vw_fold, vw_unfold and vw_togglefold fields. */ #define AMIS_1_01 4 struct AMIS { struct IntuitionBase *AMIS_IntuitionBase; struct GfxBase *AMIS_GfxBase; struct Library *AMIS_GadBase; struct Library *AMIS_DatatypesBase; struct Library *AMIS_DiskfontBase; struct Screen *AMIS_ScreenBase; long *AMIS_VisualInfo; struct DisplayInfo *AMIS_DisplayInfo; struct ColorMap *AMIS_ColorMap; char *AMIS_Flags; struct Font *AMIS_Normal_Font; /* the default text font */ char *AMIS_PrintBuf; struct Catalog *AMIS_Catalog; struct MsgPort *AMIS_MsgPort; void *AMIS_ViewerLibBase; struct DosLibrary *AMIS_DOSBase; char *AMIS_RunTimeFlags; }; #define EFLG_CHANGED 0 #define EFLG_LCHANGED 1 #define EFLG_CURS 2 #define EFLG_CURSMODE 3 #define EFLG_FLASHCURS 4 #define EFLG_HIDE 5 #define EFLG_PLUSSIGN 6 #define EFLG_UNTITLED 7 #define EFLG2_MOUSE 0 #define EFLG2_UP 1 #define EFLG2_DOWN 2 #define EFLG2_SELECTED 3 #define EFLG2_SELSTART 4 #define EFLG2_SELEND 5 #define EFLG2_MOUSESEL 6 #define EFLG3_MOUSEUP 0 #define EFLG3_MOUSEDOWN 1 #define EFLG3_PROTECT 2 #define EFLG3_MODECHNG 3 #define EFLG3_ICONIFIED 4 #define EFLG3_CODECURS 5 #define EFLG3_NOUPDATE 6 #define EFLG3_REVERT 7 #define EFLG4_RESIZED 0 #define EFLG4_TOOLBAR 1 #define EFLG4_VIEWERBAR 2 #define EFLG4_STATUSBAR 3 #define EFLG4_CODEBAR 4 #define EFLG4_OVERWRITE 5 #define EFLG4_LOCKED 6 #define EFLG4_ARRANGING 7 #define EFLG5_WORDWRAP 0 #define EFLG5_ANSIBOLD 1 #define EFLG5_NEWFONT 2 #define EFLG5_SMALLCURS 3 #define EFLG5_NOGETWINP 4 #define EFLG5_FASTMODE 5 #define EFLG5_AUTOLINE 6 #define EFLG5_VERTICAL 7 #define EFLG6_DRAGNDROP 0 #define EFLG6_LINEPROT 1 /* Some settings flags */ #define BACKUP_FLAG1 0 #define ICONS_FLAG1 1 #define FLASH_FLAG1 2 #define AUTOIND_FLAG1 3 #define TOOLBAR_FLAG1 4 #define VIEWERBAR_FLAG1 5 #define STATUSBAR_FLAG1 6 #define CODEBAR_FLAG1 7 #define CURSWRAP_FLAG2 0 #define FASTMODE_FLAG2 1 #define AUTOLINE_FLAG2 2 #define ANSISHINE_FLAG2 3 #define DRAGNDROP_FLAG2 4 #define NUMERIC_FLAG2 5 /*global flags for all files */ #define QUIT_FLAG3 0 #define VISIT_FLAG3 1 #define ICONIFIED_FLAG3 2 #define REDO_FLAG3 3 #define JOINUNDO_FLAG3 4 #define CUTBLOCK_FLAG3 5 #define ENDICON_FLAG3 6 #define REDRAW_FLAG3 7 #define CURSLINE_FLAG4 0 #define CURSDONE_FLAG4 1 #define CLOSEFONT_FLAG4 2 #define PRIVATE_FLAG4 3 #define ASKPRJ_FLAG4 4 #define MACRO_FLAG4 5 #define MACRO2_FLAG4 6 #define DEFAULT_FLAG4 7 #define MACROKEY_FLAG5 0 #define NOPRINT_FLAG5 1 #define SETTINGS_FLAG5 2 #define SETLBUF_FLAG5 3 #define REDRAWING_FLAG5 4 #define CANCEL_FLAG5 5 #define NO_ANSWER_FLAG5 6 #define INIT_FLAG5 7 #define BARLABEL_FLAG6 0 #define SUBITEMS_FLAG6 1 #define INIT_CHNG_FLAG6 2 #define COLORS_FLAG6 3 #define NEWPREFS_FLAG6 4 #define MENU_CHNG_FLAG6 5 #define ANSI_UPD_FLAG6 6 #define DRAWDONE_FLAG6 7 #define NOSLIDER_FLAG7 0 #define BOOTUP_FLAG7 1 #define SRCPASTE_FLAG7 2 #define VFLG1_TOTAL_Y 0 #define VFLG1_TEMP 1 /* Use a temporary rastport (this prevent blinking graphics, it works the same as a double buffered screen). */ #define VFLG1_INIT 2 /* Use initializing routine for this viewer */ #define VFLG1_CHAR_STAT 3 /* Use ed_char instead of ed_winpos in statusbar */ #define VFLG1_PROP 4 /* No fixed with font. */ #define VFLG1_PRINTINIT 5 /* use the display function for initializing. */ #define VFLG2_ST_CASE 0 #define VFLG2_PRIVATE2 6 #define VFLG2_PRIVATE 7 #define LINEDATA 12 #pragma libcall ViewerLib InternalCommand 6 0 #pragma libcall ViewerLib CursLeft c 0 #pragma libcall ViewerLib CursRight 12 0 #pragma libcall ViewerLib Getwinpos 18 0 #pragma libcall ViewerLib GetImage 1e 0 #pragma libcall ViewerLib LoadImage 24 0 #pragma libcall ViewerLib SetViewervar 2a 0 #pragma libcall ViewerLib SetViewervar2 30 0 #pragma libcall ViewerLib WordWrapSaveFilter 36 0 #pragma libcall ViewerLib CursUp 3c 0 #pragma libcall ViewerLib CursDown 42 0 #pragma libcall ViewerLib CursSOL 48 0 #pragma libcall ViewerLib DoReturn 4e 0 #pragma libcall ViewerLib NewViewerbar 54 0 #pragma libcall ViewerLib BuiltRequester 5a 0 #pragma libcall ViewerLib ShowRequester 60 0 #pragma libcall ViewerLib CloseRequester 66 0 #pragma libcall ViewerLib FreeRequester 6c 0 #pragma libcall ViewerLib FileRequester 72 0 #pragma libcall ViewerLib GetYPos 78 0 #pragma libcall ViewerLib AddLineNode 7e 0 #pragma libcall ViewerLib GetLineNode 84 0 ULONG InternalCommand(char *command); ULONG CursLeft(void); ULONG CursRight(void); ULONG CursUp(void); ULONG CursDown(void); ULONG CursSOL(void); ULONG CursEOL(void); void GetWinPos(void); ULONG DoReturn(void); void SetViewervar(long var, char *text); void SetViewervar2(long var, char *text); struct Object *Get_image(char *filename); struct Object *Load_image(char *filename); void WordWrapSaveFilter(void); void NewViewerBar(void); struct AMIS_Requester *BuiltRequester(struct AMIS_ReqDef *req, struct TagList *tags); void ShowRequester(struct AMIS_Requester *req); void CloseRequester(struct AMIS_Requester *req); void FreeRequester(struct AMIS_Requester *req); long GetYPos(void); struct Node *AddLineNode(long size, long line, long character); struct Node *GetLineNode(long line, long character);