3 * Purpose: Mathed GUI for lyx
4 * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
5 * Created: March 28, 1996
7 * Dependencies: Xlib, Xpm, XForms, Lyx
9 * Copyright: 1996, Alejandro Aguilar Sierra
11 * You are free to use and modify it under the terms of
12 * the GNU General Public Licence version 2 or later.
19 #include FORMS_H_LOCATION
21 #include "lyx_gui_misc.h"
22 #include "math_panel.h"
23 #include "symbol_def.h"
38 #include "equation.xpm"
41 static LyXFunc * lyxfunc = 0;
43 //static FD_panel* symb_form= 0;
49 FD_matrix * fd_matrix;
52 '(', ')', LM_lceil, LM_rceil, LM_uparrow, LM_Uparrow,
53 '[', ']', LM_lfloor, LM_rfloor, LM_updownarrow, LM_Updownarrow,
54 '{', '}', '/', LM_backslash, LM_downarrow, LM_Downarrow,
55 LM_langle, LM_rangle, '|', LM_Vert, '.', 0
58 // indexes to get the left and right versions of each delimiter
59 // Contributed by Pablo De Napoli (pdenapo@dm.uba.ar)
60 int delim_lversion[] = { 0,0,2,2,4,5,
65 int delim_rversion[] = { 1,1,3,3,4,5,
71 static char const * deco_code[] = {
72 "widehat", "widetilde", "overbrace", "overleftarrow", "overrightarrow",
73 "overline", "underbrace", "underline"
77 static char const * func_code[] = {
78 "arccos", "arcsin", "arctan", "arg", "bmod",
79 "cos", "cosh", "cot", "coth", "csc", "deg",
80 "det", "dim", "exp", "gcd", "hom", "inf", "ker",
81 "lg", "lim", "liminf", "limsup", "ln", "log",
82 "max", "min", "sec", "sin", "sinh", "sup",
86 static char h_align_str[80] = "c";
88 /* callbacks for form panel */
89 void button_cb(FL_OBJECT * ob, long data)
91 extern void free_symbols_form();
100 BitmapMenu * menu = static_cast<BitmapMenu *>(ob->u_vdata);
105 lyxfunc->Dispatch(LFUN_INSERT_MATH, "frac");
108 lyxfunc->Dispatch(LFUN_INSERT_MATH, "sqrt");
111 fl_show_form(fd_delim->delim,
112 FL_PLACE_MOUSE | FL_FREE_SIZE, FL_TRANSIENT,
114 fl_set_form_atclose(fd_delim->delim, CancelCloseBoxCB, 0);
117 fl_show_form(fd_deco->deco,
118 FL_PLACE_MOUSE | FL_FREE_SIZE, FL_TRANSIENT,
120 fl_set_form_atclose(fd_deco->deco, CancelCloseBoxCB, 0);
123 fl_show_form(fd_space->space,
124 FL_PLACE_MOUSE | FL_FREE_SIZE, FL_TRANSIENT,
126 fl_set_form_atclose(fd_space->space, CancelCloseBoxCB, 0);
129 fl_show_form(fd_matrix->matrix,
130 FL_PLACE_MOUSE | FL_FREE_SIZE, FL_TRANSIENT,
132 fl_set_form_atclose(fd_matrix->matrix, CancelCloseBoxCB, 0);
135 lyxfunc->Dispatch(LFUN_MATH_DISPLAY);
139 int i = fl_get_browser(fd_panel->func_browse) - 1;
140 lyxfunc->Dispatch(LFUN_INSERT_MATH, func_code[i]);
150 /* callbacks for form delim */
151 void delim_cb(FL_OBJECT *, long data)
153 int left = fd_delim->left->u_ldata, right= fd_delim->right->u_ldata;
154 int side = (fl_get_button(fd_delim->right)!= 0);
160 std::ostringstream ost;
161 ost << delim_code[left] << ' ' << delim_code[right];
162 lyxfunc->Dispatch(LFUN_MATH_DELIM, ost.str().c_str());
163 if (data == MM_APPLY) break;
165 case MM_CLOSE: fl_hide_form(fd_delim->delim); break;
168 int i = fl_get_bmtable(fd_delim->menu);
169 int button = fl_get_bmtable_numb(fd_delim->menu);
170 bool both = (button==FL_MIDDLE_MOUSE);
174 if (side || (button== FL_RIGHT_MOUSE)) {
179 right = delim_rversion[i];
183 p1 = fl_get_pixmap_pixmap(fd_delim->pix, &p1, &p2);
184 fl_draw_bmtable_item(fd_delim->menu, left, p1, 0, 0);
185 fl_draw_bmtable_item(fd_delim->menu, right, p1, 16, 0);
186 fl_redraw_object(fd_delim->pix);
188 fd_delim->left->u_ldata = left;
189 fd_delim->right->u_ldata = right;
198 /* callbacks for form matrix */
199 void matrix_cb(FL_OBJECT *, long data)
201 static char v_align_c[] = "tcb";
207 char c = v_align_c[fl_get_choice(fd_matrix->valign) - 1];
208 char const * sh = fl_get_input(fd_matrix->halign);
209 int nx = int(fl_get_slider_value(fd_matrix->columns) + 0.5);
210 int ny = int(fl_get_slider_value(fd_matrix->rows) + 0.5);
211 if (data == MM_OK) fl_hide_form(fd_matrix->matrix);
212 std::ostringstream ost;
213 ost << nx << ' ' << ny << ' ' << c << sh;
214 lyxfunc->Dispatch(LFUN_INSERT_MATRIX, ost.str().c_str());
217 case MM_CLOSE: fl_hide_form(fd_matrix->matrix); break;
220 int nx = int(fl_get_slider_value(fd_matrix->columns)+0.5);
221 for (int i = 0; i < nx; ++i) h_align_str[i] = 'c';
222 //memset(h_align_str, 'c', nx);
223 h_align_str[nx] = '\0';
224 // fl_freeze_form(fd_form_main->form_main);
225 // fl_addto_form(fd_form_main->form_main);
227 fl_set_input(fd_matrix->halign, h_align_str);
228 fl_redraw_object(fd_matrix->halign);
234 /* callbacks for form deco */
235 void deco_cb(FL_OBJECT *, long data)
241 int const i = fl_get_bmtable(fd_deco->menu);
242 int const l = sizeof(deco_code)/sizeof(deco_code[0]);
243 // ideally the callback should not be called if the index is
244 // greater than the maxitem of the bmtable, but I do not know
245 // how to enforce that (JMarc)
247 lyxfunc->Dispatch(LFUN_INSERT_MATH, deco_code[i]);
248 if (data == MM_APPLY) break;
252 case MM_CLOSE: fl_hide_form(fd_deco->deco); break;
257 /* callbacks for form space */
258 void space_cb(FL_OBJECT *, long data)
260 static short sp = -1;
261 extern char * latex_mathspace[];
263 if (data >= 0 && data < 6)
271 lyxfunc->Dispatch(LFUN_INSERT_MATH, latex_mathspace[sp]);
272 if (data == MM_APPLY) break;
274 case MM_CLOSE: fl_hide_form(fd_space->space); break;
279 extern "C" int align_filter(FL_OBJECT *, char const *, char const * cur, int c)
281 int n = int(fl_get_slider_value(fd_matrix->columns)+0.5) - strlen(cur);
282 return ((c == 'c'||c == 'l'||c == 'r') && n>= 0) ? FL_VALID: FL_INVALID;
286 char const ** mathed_get_pixmap_from_icon(int d)
289 case MM_FRAC: return frac;
290 case MM_SQRT: return sqrt_xpm;
291 case MM_DELIM: return delim;
292 case MM_MATRIX: return matrix;
293 case MM_EQU: return equation;
294 case MM_DECO: return deco;
295 case MM_SPACE: return space_xpm;
301 FD_panel * create_math_panel( )
303 fd_panel = create_form_panel();
304 fd_delim = create_form_delim();
305 fd_deco = create_form_deco();
306 fd_space = create_form_space();
307 fd_matrix = create_form_matrix();
309 /* fill-in form initialization code */
310 fl_set_button(fd_delim->left, 1);
311 fl_set_pixmap_data(fd_delim->pix, const_cast<char**>(delim0));
312 fl_set_bmtable_data(fd_delim->menu, 6, 4, delim_width, delim_height,
314 fl_set_bmtable_maxitems(fd_delim->menu, 23);
316 fl_set_pixmap_data(fd_panel->sqrt, const_cast<char**>(sqrt_xpm));
317 fl_set_pixmap_data(fd_panel->frac, const_cast<char**>(frac));
318 fl_set_pixmap_data(fd_panel->delim, const_cast<char**>(delim));
319 fl_set_pixmap_data(fd_panel->deco, const_cast<char**>(deco));
320 fl_set_pixmap_data(fd_panel->space, const_cast<char**>(space_xpm));
321 fl_set_pixmap_data(fd_panel->matrix, const_cast<char**>(matrix));
322 fl_set_pixmap_data(fd_panel->equation, const_cast<char**>(equation));
324 for (int i = 0; i < 32; ++i) {
325 fl_add_browser_line(fd_panel->func_browse, func_code[i]);
328 fl_addto_choice(fd_matrix->valign, _("Top | Center | Bottom"));
329 fl_set_choice(fd_matrix->valign, 2);
330 fl_set_input(fd_matrix->halign, h_align_str);
331 fl_set_input_filter(fd_matrix->halign, align_filter);
333 fl_set_bmtable_data(fd_deco->menu, 3, 3, deco_width, deco_height,
335 fl_set_bmtable_maxitems(fd_deco->menu, 8);
337 fd_delim->left->u_ldata = 0;
338 fd_delim->right->u_ldata = 1;
343 extern BitmapMenu * sym_menu;
344 extern void create_symbol_menues(FD_panel *);
347 void free_symbols_form()
350 fl_hide_form(fd_panel->panel);
351 fl_free_form(fd_panel->panel);
359 extern "C" int AtClose_symbols_form(FL_FORM *, void *)
366 void show_symbols_form(LyXFunc * lf)
370 fd_panel = create_math_panel();
371 fl_register_raw_callback(fd_panel->panel,
372 ButtonPressMask|KeyPressMask, C_peek_event);
373 create_symbol_menues(fd_panel);
374 fl_set_form_atclose(fd_panel->panel, AtClose_symbols_form, 0);
376 if (fd_panel->panel->visible) {
377 fl_raise_form(fd_panel->panel);
379 fl_show_form(fd_panel->panel,
380 FL_PLACE_MOUSE | FL_FREE_SIZE, FL_TRANSIENT,