3 * Purpose: User interface to math symbols
4 * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
5 * Created: November 1995
6 * Version: 0.8 28/03/96
7 * Description: Provides a GUI to introduce mathematical
10 * Dependencies: Xlib, XForms, Lyx
12 * Copyright: (c) 1995, 1996, Alejandro Aguilar Sierra
14 * You are free to use and modify it under the terms of
15 * the GNU General Public Licence version 2 or later.
19 #include XPM_H_LOCATION
22 #pragma implementation "math_panel.h"
29 #include "BufferView.h"
30 #include "minibuffer.h"
33 #include "support/lstrings.h"
38 #include "math_panel.h"
39 #include "math_parser.h"
41 extern void SmallUpdate(signed char);
42 extern void BeforeChange();
43 extern void Update(signed char);
44 extern int UnlockInset(UpdatableInset*);
45 extern short greek_kb_flag;
46 extern MiniBuffer *minibuffer;
48 extern BufferView *current_view;
59 /* Latex code for those bitmaps */
60 static char const *latex_greek[] = {
61 "Gamma", "Delta", "Theta", "Lambda", "Xi", "Pi",
62 "Sigma", "Upsilon", "Phi", "Psi", "Omega",
63 "alpha", "beta", "gamma", "delta", "epsilon", "varepsilon", "zeta",
64 "eta", "theta", "vartheta", "iota", "kappa", "lambda", "mu",
65 "nu", "xi", "pi", "varpi", "rho", "sigma", "varsigma",
66 "tau", "upsilon", "phi", "varphi", "chi", "psi", "omega", ""
69 static char const *latex_brel[] = {
70 "leq", "geq", "equiv", "models",
71 "prec", "succ", "sim", "perp",
72 "preceq", "succeq", "simeq", "mid",
73 "ll", "gg", "asymp", "parallel",
74 "subset", "supset", "approx", "smile",
75 "subseteq", "supseteq", "cong", "frown",
76 "sqsubseteq", "sqsupseteq", "doteq", "neq",
77 "in", "ni", "propto", "notin",
78 "vdash", "dashv", "bowtie", ""
81 static char const* latex_arrow[] = {
82 "downarrow", "leftarrow", "Downarrow", "Leftarrow",
83 "hookleftarrow", "rightarrow", "uparrow", "Rightarrow", "Uparrow",
84 "hookrightarrow","updownarrow", "Leftrightarrow", "leftharpoonup",
85 "rightharpoonup", "rightleftharpoons", "leftrightarrow", "Updownarrow",
86 "leftharpoondown", "rightharpoondown", "mapsto",
87 "Longleftarrow", "Longrightarrow", "Longleftrightarrow",
88 "longleftrightarrow", "longleftarrow", "longrightarrow", "longmapsto",
89 "nwarrow", "nearrow", "swarrow", "searrow", "",
92 char const* latex_varsz[] = {
94 "prod", "coprod", "bigsqcup",
95 "bigotimes", "bigodot", "bigoplus",
96 "bigcap", "bigcup", "biguplus",
97 "bigvee", "bigwedge", ""
100 static char const* latex_bop[] = {
101 "pm", "cap", "diamond", "oplus",
102 "mp", "cup", "bigtriangleup", "ominus",
103 "times", "uplus", "bigtriangledown", "otimes",
104 "div", "sqcap", "triangleright", "oslash",
105 "cdot", "sqcup", "triangleleft", "odot",
106 "star", "vee", "amalg", "bigcirc",
107 "setminus", "wedge", "dagger", "circ",
108 "bullet", "wr", "ddagger", ""
111 static char const* latex_misc[] = {
112 "nabla", "partial", "infty", "prime", "ell",
113 "emptyset", "exists", "forall", "imath", "jmath",
114 "Re", "Im", "aleph", "wp", "hbar",
115 "angle", "top", "bot", "Vert", "neg",
116 "flat", "natural", "sharp", "surd", "triangle",
117 "diamondsuit", "heartsuit", "clubsuit", "spadesuit", ""
120 static char const* latex_dots[] = {
121 "ldots", "cdots", "vdots", "ddots"
124 static signed char latin2greek[] = {
125 0, 1, 25, 3, 4, 23, 2, 7, 10, 24, 11, 12, 13, 14, -1, 16, 8, 18,
126 19, 21, 22, 17, 27, 15, 26, 6
129 static signed char Latin2Greek[] = {
130 -1, -1, -1, 1, -1, 8, 0, -1, -1, -1, -1, 3, -1, -1, -1,
131 5, 2, -1, 6, -1, 7, -1, 10, 4, 9, -1
134 extern char** mathed_get_pixmap_from_icon(int d);
135 static void math_cb(FL_OBJECT*, long);
136 static char** pixmapFromBitmapData(char const *, int, int);
137 void math_insert_symbol(char const* s);
138 Bool math_insert_greek(char const c);
140 BitmapMenu *BitmapMenu::active = 0;
142 BitmapMenu::BitmapMenu(int n, FL_OBJECT* bt, BitmapMenu* prevx): nb(n) {
146 ww = 2*FL_abs(FL_BOUND_WIDTH);
149 bitmap = new FL_OBJECTP[nb];
151 button->u_vdata = this;
158 BitmapMenu::~BitmapMenu() {
159 if (next) delete next;
160 if (form->visible) Hide();
165 void BitmapMenu::Hide() {
167 fl_set_button(button, 0);
171 void BitmapMenu::Show() {
175 // int x = button->form->x + button->x, y = button->form->y + button->y;
176 // fl_set_form_position(form, x, y + button->h);
177 fl_set_button(button, 1);
178 fl_show_form(form, FL_PLACE_MOUSE, FL_NOBORDER, "");
182 BitmapMenu::AddBitmap(int id, int nx, int ny, int bw, int bh, char* data, Bool vert)
186 int wx=bw+ww/2, wy=bh+ww/2;
189 FL_OBJECT *obj = fl_create_bmtable(1, x, y, wx, wy, "");
190 fl_set_object_callback(obj, math_cb, id);
191 fl_set_object_lcol(obj, FL_BLUE);
192 fl_set_object_boxtype(obj, FL_UP_BOX);
193 fl_set_bmtable_data(obj, nx, ny, bw, bh, data);
197 w = max(x + wx + ww, w);
201 h = max(y + wy + ww, h);
207 void BitmapMenu::Create()
210 fprintf(stderr, "Error: Bitmaps not created!");
213 form = fl_bgn_form(FL_UP_BOX, w, h);
214 for (i=0; i<nb; i++) {
215 fl_add_object(form, bitmap[i]);
216 bitmap[i]->u_vdata = this;
219 fl_register_raw_callback(form, KeyPressMask, peek_event);
222 int BitmapMenu::GetIndex(FL_OBJECT* ob)
226 for (i=0; i<nb; i++) {
228 return k+fl_get_bmtable(ob);
229 k += fl_get_bmtable_maxitems(bitmap[i]);
235 int peek_event(FL_FORM * /*form*/, void *xev)
237 if (BitmapMenu::active==0)
240 if(((XEvent *)xev)->type == ButtonPress)
242 BitmapMenu::active->Hide();
245 if(((XEvent *)xev)->type == KeyPress)
249 XLookupString(&((XEvent *)xev)->xkey, &c[0], 5, &keysym, 0);
251 BitmapMenu::active->Prev(); else
252 if (keysym==XK_Right)
253 BitmapMenu::active->Next();
255 BitmapMenu::active->Hide();
261 static void math_cb(FL_OBJECT* ob, long data)
263 BitmapMenu* menu = (BitmapMenu*)ob->u_vdata;
264 int i = menu->GetIndex(ob);
267 // fprintf(stderr, "data[%d]", data);
289 // fprintf(stderr, "dots[%s %d]", latex_dots[i], i);
290 s = latex_dots[i-29];
295 if (current_view->available() && lyxrc->display_shortcuts) {
296 minibuffer->Set("Inserting symbol ", s);
298 current_view->getOwner()->getLyXFunc()->Dispatch(LFUN_INSERT_MATH, s);
304 char** get_pixmap_from_symbol(char const *arg, int wx, int hx)
307 latexkeys *l = in_word_set (arg, strlen(arg));
313 data = mathed_get_pixmap_from_icon(MM_FRAC);
316 data = mathed_get_pixmap_from_icon(MM_SQRT);
320 // I have to use directly the bitmap data since the
321 // bitmap tables are not yet created when this
322 // function is called.
323 data = pixmapFromBitmapData(arg, wx, hx);
330 Bool math_insert_greek(char const c)
335 if ('A'<=c && c<='Z') {
336 if ((i=Latin2Greek[c - 'A'])>=0)
339 if ('a'<=c && c<='z') {
340 if ((i=latin2greek[c - 'a'])>=0)
341 s = latex_greek[i+11];
344 math_insert_symbol(s);
345 if (greek_kb_flag<2) {
347 UnlockInset(current_view->currentBuffer()->the_locking_inset);
354 void math_insert_symbol(char const* s)
356 if (current_view->available()) {
357 if (!current_view->currentBuffer()->the_locking_inset) {
358 InsetFormula* new_inset = new InsetFormula();
360 current_view->currentBuffer()->insertInset(new_inset);
362 new_inset->Edit(0,0);
363 new_inset->InsertSymbol(s);
365 if (current_view->currentBuffer()->the_locking_inset->LyxCode()==Inset::MATH_CODE)
366 ((InsetFormula*)current_view->currentBuffer()->the_locking_inset)->InsertSymbol(s);
368 fprintf(stderr, "Math error: attempt to write on a wrong class of inset.\n");
372 BitmapMenu* sym_menu=0;
374 void create_symbol_menues(FD_panel *symb_form)
379 sym_menu = menu = new BitmapMenu(2, symb_form->greek);
380 obj = menu->AddBitmap(MM_GREEK, 6, 2, Greek_width, Greek_height,
382 fl_set_bmtable_maxitems(obj, 11);
383 obj = menu->AddBitmap(MM_GREEK, 7, 4, greek_width, greek_height,
387 menu = new BitmapMenu(1, symb_form->boperator, menu);
388 obj = menu->AddBitmap(MM_BOP, 4, 8, bop_width, bop_height,
390 fl_set_bmtable_maxitems(obj, 31);
393 menu = new BitmapMenu(1, symb_form->brelats, menu);
394 obj = menu->AddBitmap(MM_BRELATS, 4, 9, brel_width, brel_height,
396 fl_set_bmtable_maxitems(obj, 35);
399 menu = new BitmapMenu(3, symb_form->arrow, menu);
400 obj = menu->AddBitmap(MM_ARROW, 5, 4, arrow_width, arrow_height,
402 obj = menu->AddBitmap(MM_ARROW, 2, 4, larrow_width, larrow_height,
404 fl_set_bmtable_maxitems(obj, 7);
405 obj = menu->AddBitmap(MM_ARROW, 2, 2, darrow_width, darrow_height,
409 menu = new BitmapMenu(1, symb_form->varsize, menu);
410 obj = menu->AddBitmap(MM_VARSIZE, 3, 5, varsz_width, varsz_height,
412 fl_set_bmtable_maxitems(obj, 14);
415 menu = new BitmapMenu(2, symb_form->misc, menu);
416 obj = menu->AddBitmap(MM_MISC, 5, 6, misc_width, misc_height,
418 fl_set_bmtable_maxitems(obj, 29);
419 obj = menu->AddBitmap(MM_DOTS, 4, 1, dots_width, dots_height,
425 char** pixmapFromBitmapData(char const *s, int wx, int hx)
432 for (i=0; i<6; i++) {
433 char const **latex_str = 0;
435 case 0: latex_str = latex_greek; break;
436 case 1: latex_str = latex_bop; break;
437 case 2: latex_str = latex_brel; break;
438 case 3: latex_str = latex_arrow; break;
439 case 4: latex_str = latex_varsz; break;
440 case 5: latex_str = latex_misc; break;
443 for (int k = 0; latex_str[k][0]>' '; k++) {
444 if (strcmp(latex_str[k], s)==0) {
453 int w = 0, h = 0, dw = 0, dh = 0;
455 lyxerr.debug(string("Imando ") + tostr(i) + ", " + tostr(id),
517 int ww = w/dw, hh = h/dh, x, y;
519 XImage *xima = XCreateImage(fl_display, 0, 1, XYBitmap, 0,
521 xima->byte_order = LSBFirst;
522 xima->bitmap_bit_order = LSBFirst;
527 XImage *sbima = XSubImage(xima, x, y, ww, hh);
528 XpmCreateDataFromImage(fl_display, &data, sbima, sbima, 0);
530 // Dirty hack to get blue symbols quickly
531 char *sx = strstr(data[2], "FFFFFFFF");
533 for (int k=0; k<8; k++) sx[k] = '0';
536 // XDestroyImage(xima);