/* Copyright (C) 1991-2002, The Numerical Algorithms Group Ltd. All rights reserved. Copyright (C) 2007-2008, Gabriel Dos Reis. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. - Neither the name of The Numerical Algorithms Group Ltd. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef OPENAXIOM_NODE #define OPENAXIOM_NODE #include "open-axiom.h" #include "hash.h" #ifndef X_DISPLAY_MISSING # include # include # include typedef Window openaxiom_window; typedef Pixmap openaxiom_pixmap; typedef XImage openaxiom_image; typedef GC openaxiom_graphic_context; typedef XFontStruct openaxiom_font; typedef Cursor openaxiom_cursor; #else /* X_DISPLAY_MISSING */ typedef OpenAxiom::Handle openaxiom_window; typedef OpenAxiom::Handle openaxiom_pixmap; typedef OpenAxiom::Handle openaxiom_image; typedef OpenAxiom::Handle openaxiom_graphic_context; typedef OpenAxiom::Handle openaxiom_cursor; typedef OpenAxiom::Handle openaxiom_font; #endif /* X_DISPLAY_MISSING */ /* Struct forward declarations */ struct TextNode; struct InputBox; struct InputItem; struct paste_node; struct RadioBoxes; struct GroupItem; struct PasteNode; #define Scrollupbutton 1 #define Scrolldownbutton 2 #define Noopbutton 6 #define Scrolling 1 #define Header 2 #define Footer 3 #define Title 4 /** I am implementing a state node stack, this is the structure I store **/ struct StateNode { int last_ch, last_token; SourceInputKind input_type; long fpos, keyword_fpos; long page_start_fpos; Token token; char *input_string; FILE *cfile; int keyword; StateNode *next; }; /** pointer to the top of the state node graph **/ extern StateNode *top_state_node; /* structure for a hyper text link */ struct HyperLink { int type; /* Memolink, Spadlink, Downlink etc. */ openaxiom_window win; /* X11 window containing active area */ union { TextNode *node; /* ID of link to which link refers */ InputBox *box; InputItem *string; PasteNode *paste; /* the paste node area */ } reference; int x,y; /* relative position inside page */ }; struct IfNode { TextNode *cond; /* the condition nodes*/ TextNode *thennode; TextNode *elsenode; }; struct ItemStack { int indent; int item_indent; int in_item; ItemStack *next; }; struct PasteNode { char *name; SourceInputKind where; /* where should I be parsing from? */ short int hasbutton; short int haspaste; GroupItem *group; ItemStack *item_stack; TextNode *arg_node; TextNode *end_node; TextNode *begin_node; InputItem *paste_item; }; /* Structure for formatted hypertext */ struct TextNode { short type; /* type of node (text, link, etc.) */ int x,y, width, height; /* relative location on screen */ int space; /* was there space in front of me ? */ union { char *text; /* piece of text to display */ TextNode *node; /* argument text */ IfNode *ifnode; } data; HyperLink *link; /* link for active text */ union { openaxiom_pixmap pm; /* pixmap for bit images */ openaxiom_image *xi; /* pixmap image */ } image; TextNode *next; /* next node in formatted text */ }; /** Structure used to store pixmaps and bitmaps **/ struct ImageStruct { int width,height; /** It's width and height **/ union { openaxiom_pixmap pm; openaxiom_image *xi; } image; char *filename; /** The filename used to reference it **/ }; /* Structure for locating HyperDoc pages in a source file */ struct FilePosition { char *name; /* file name */ long pos; /* position in file */ int ln; /* the line number */ }; /*** The structure needed for storing a macro **/ struct MacroStore { short int loaded; FilePosition fpos; char *name; char *macro_string; short number_parameters; }; /** Structure needed for storing a patch **/ struct PatchStore { short int loaded; FilePosition fpos; char *name; char *string; }; /* Here are the structures needed for doing input to HyperDoc windows. */ struct LineStruct { char *buffer; int changed; /* Has the line changed */ int line_number; int buff_pntr; int len; LineStruct *prev, *next; }; struct InputItem { char *name; /* symbol name **/ int size; /* the length of the window **/ int cursor_x; /* x-coordinate for the cursor **/ int entered; /* tells me whether I have typed here before */ int num_lines; /* number of lines needed to store buffer */ LineStruct *lines; LineStruct *curr_line; /* the current line on which the cursor */ openaxiom_window win; InputItem *next; }; /* structure for storing input boxes **/ struct InputBox { char *name; ImageStruct *selected, *unselected; short int picked; InputBox *next; RadioBoxes *rbs; openaxiom_window win; }; struct RadioBoxes { char *name; InputBox *boxes; ImageStruct *selected, *unselected; int width, height; RadioBoxes *next; }; /* Structure for spadcommand dependencies hash table entries */ struct SpadcomDepend { char *label; /* dependency label */ TextNode *spadcom; /* spadcommand defining the label */ short executed; /* true iff spadcommand has benn executed */ } ; struct ButtonList { int x0,y0,x1,y1; HyperLink *link; openaxiom_window win; ButtonList *next; }; /* Stucture for unformatted hyper text page */ struct HyperDocPage { short type; /* Normal, Quitbutton, Upbutton etc. */ const char *name; /* ID of page */ char *filename; /* The name of the file in which the page occurs, Null if not */ int scroll_off; /* The offset in the scrolling region */ int bot_scroll_margin; /* bottom of the scrolling region */ int top_scroll_margin; /* top of the scrolling region */ TextNode *title; /* the title of the page */ TextNode *header; /* formatted version of page */ TextNode *scrolling; /* Top of scrolling region */ TextNode *footer; /* top of non-scrolling region at bottom */ OpenAxiom::openaxiom_sio *sock; /* socket connection for spad buffer */ HashTable *fLinkHashTable; /* active link hash table */ ButtonList *s_button_list; /* active buttons on page */ ButtonList *button_list; /* active buttons on page */ HashTable *depend_hash; /* Hash tables of spadcommand dependencies */ InputItem *input_list; /* List of input structures */ InputItem *current_item; /* a pntr to the currently active item */ HashTable *box_hash; /* place where all the boxes are stored */ RadioBoxes *radio_boxes; /* a linked list of radio boxes */ short page_flags; /* A list of flags for the page */ char *helppage; /* the name of the helppage */ }; /* Structure for an unloaded page */ struct UnloadedPage { short type; /* indicator of unloaded page */ char *name; /* name of page */ FilePosition fpos; /* where to find the page */ }; /* Structure for a HyperDoc Window */ struct HDWindow { openaxiom_window fMainWindow; /* The main text field window. */ openaxiom_window fScrollWindow; /* The scrolling area of the window. */ openaxiom_window fDisplayedWindow; /* The current window of the above two,*/ /* being filled by display */ openaxiom_window fScrollUpWindow; /* Window for scrolling up a line. */ openaxiom_window fScrollDownWindow; /* Window for scrolling down a line. */ openaxiom_window scrollbar; /* the window for scrolling. */ openaxiom_window scroller; /* the scroller window. */ openaxiom_window fTitleBarButton1; /* 1st titlebar bitmap button. */ openaxiom_window fTitleBarButton2; /* 2nd titlebar bitmap button. */ openaxiom_window fTitleBarButton3; /* 3rd titlebar bitmap button. */ openaxiom_window fTitleBarButton4; /* 4th titlebar bitmap button. */ int fScrollerTopPos; /* where the top of the scroller is */ int fScrollerHeight; /* the height of the scroller */ int fScrollBarHeight; /* the height for the scrollbar */ int scrollwidth; /* the width of the scrolling area */ int scrollheight; /* the height of the scrolling area */ int scrollupy; /* Current y position of the scroll up */ /* button */ int scrolldowny; /* Current y position of the scroll */ /* downbutton */ int scrollbary; /* Current y position of teh scrollbar */ int scrollx; /* X coordinates for all of the above */ int border_width; /* Width of the border */ HyperDocPage *page; /* currently displayed page */ int width, height; /* in pixels */ int columns; /* Width in characters, only setable */ /* for form pages */ HyperDocPage **fMemoStack; /* stack of memo links */ HyperDocPage **fDownLinkStack;/* stack of down links */ int *fDownLinkStackTop; /* stack of down links */ int fMemoStackIndex; /* memo stack pointer */ int fDownLinkStackIndex; /* downlink stack pointer */ HashTable *fWindowHashTable; /* hash table of active subwindows */ HashTable *fPageHashTable; /* hash table of HyperDoc pages */ HashTable *fPasteHashTable; /* hash table for paste in areas */ HashTable *fMacroHashTable; /* hash table of HyperDoc macros */ HashTable *fCondHashTable; /* hash table for values */ HashTable *fPatchHashTable; /* hash table for patch locations */ int fAxiomFrame; /* Axiom frame number initializing window */ openaxiom_graphic_context fStandardGC; /* Graphics context for window */ openaxiom_graphic_context fInputGC; /* Graphics context for the input windows */ openaxiom_graphic_context fCursorGC; /* Graphics context for the cursors */ openaxiom_graphic_context fControlGC; /* Graphics context for the buttons */ openaxiom_cursor fDisplayedCursor; /* The currently displayed cursor */ }; /* Structure for identifying appropriate link hash tables */ struct LinkHashID { int code; /* code of active area */ HyperDocPage *page; /* page for which hash table applies */ }; struct GroupItem { int cur_color; openaxiom_font *cur_font; int center; GroupItem *next; }; struct CondNode { char *label; char *cond; }; struct parameter_list_type { char **list; /** The parameters in string form **/ short number; /** How many parameters are there **/ parameter_list_type *next; }; using ParameterList = parameter_list_type*; /*** Flags for the page ***/ #define NOLINES 0000001 /* Ibid, for the bottom of the page ***/ /* Here are some of the functions and constants declared and needed in htadd.c ******/ #define NoChar -9999 #define db_file_name "ht.db" /* Types of HyperDoc pages */ #define UlUnknownPage 9993 /*I hate this hack, but I have to know whether*/ #define UnknownPage 9994 /*this page has been loaded or not. */ #define ErrorPage 9995 #define Unixfd 9996 #define SpadGen 9997 #define Normal 9998 #define UnloadedPageType 9999 /* Commands from Axiom */ #define EndOfPage 99 #define SendLine 98 #define StartPage 97 /* A normal HyperDoc page */ #define LinkToPage 96 #define PopUpPage 95 /* A pop-up page */ #define PopUpNamedPage 94 #define KillPage 93 #define ReplacePage 92 #define ReplaceNamedPage 91 #define SpadError 90 /* Constants declaring size of page stacks */ #define MaxMemoDepth 25 /* max nesting level for memolinks */ #define MaxDownlinkDepth 50 /* max downlink nesting depth */ /* Constants defining the size of various hash tables */ #define PageHashSize 1000 #define FileHashSize 30 #define SessionHashSize 10 #define MacroHashSize 100 #define ImageHashSize 100 #define CondHashSize 100 #define BoxHashSize 20 #define PasteHashSize 100 #define PatchHashSize 100 /* A couple of macros for memo and down links */ #define need_up_button \ (gWindow->fMemoStackIndex ? gWindow->fDownLinkStackIndex >= \ gWindow->fDownLinkStackTop[gWindow->fMemoStackIndex-1] \ : gWindow->fDownLinkStackIndex) #define need_return_button (gWindow->fMemoStackIndex) #define need_help_button (gWindow->page->helppage != NULL) #define openaxiom_max(x,y) ((x) > (y) ? (x) : (y)) #define pick_box(box) fill_box(box->win, box->selected) #define unpick_box(box) fill_box(box->win, box->unselected) #define TopLevelHelpPage "ugHyperPage" #define NoMoreHelpPage "NoMoreHelpPage" #define KeyDefsHelpPage "ugHyperKeysPage" #define InputAreaHelpPage "ugHyperInputPage" /* definitions for connecting to the Axiom server */ #define Connected 0 #define NotConnected 1 #define SpadBusy 2 /* some GUI-dependent stuff */ #define BeepAtTheUser() /* (XBell(gXDisplay, 5)) */ #define LoudBeepAtTheUser() /* (XBell(gXDisplay, 50)) */ #endif /* OPENAXIOM_NODE */