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"
44 static LyXFunc * lyxfunc = 0;
46 //static FD_panel* symb_form= 0;
52 FD_matrix * fd_matrix;
55 '(', ')', LM_lceil, LM_rceil, LM_uparrow, LM_Uparrow,
56 '[', ']', LM_lfloor, LM_rfloor, LM_updownarrow, LM_Updownarrow,
57 '{', '}', '/', LM_backslash, LM_downarrow, LM_Downarrow,
58 LM_langle, LM_rangle, '|', LM_Vert, '.', 0
61 // indexes to get the left and right versions of each delimiter
62 // Contributed by Pablo De Napoli (pdenapo@dm.uba.ar)
63 int delim_lversion[] = { 0,0,2,2,4,5,
68 int delim_rversion[] = { 1,1,3,3,4,5,
74 static char const * deco_code[] = {
75 "widehat", "widetilde", "overbrace", "overleftarrow", "overrightarrow",
76 "overline", "underbrace", "underline"
80 static char const * func_code[] = {
81 "arccos", "arcsin", "arctan", "arg", "bmod",
82 "cos", "cosh", "cot", "coth", "csc", "deg",
83 "det", "dim", "exp", "gcd", "hom", "inf", "ker",
84 "lg", "lim", "liminf", "limsup", "ln", "log",
85 "max", "min", "sec", "sin", "sinh", "sup",
89 static char h_align_str[80] = "c";
91 /* callbacks for form panel */
92 void button_cb(FL_OBJECT * ob, long data)
94 extern void free_symbols_form();
103 BitmapMenu * menu = static_cast<BitmapMenu *>(ob->u_vdata);
108 lyxfunc->Dispatch(LFUN_INSERT_MATH, "frac");
111 lyxfunc->Dispatch(LFUN_INSERT_MATH, "sqrt");
114 fl_show_form(fd_delim->delim,
115 FL_PLACE_MOUSE | FL_FREE_SIZE, FL_TRANSIENT,
117 fl_set_form_atclose(fd_delim->delim, CancelCloseBoxCB, 0);
120 fl_show_form(fd_deco->deco,
121 FL_PLACE_MOUSE | FL_FREE_SIZE, FL_TRANSIENT,
123 fl_set_form_atclose(fd_deco->deco, CancelCloseBoxCB, 0);
126 fl_show_form(fd_space->space,
127 FL_PLACE_MOUSE | FL_FREE_SIZE, FL_TRANSIENT,
129 fl_set_form_atclose(fd_space->space, CancelCloseBoxCB, 0);
132 fl_show_form(fd_matrix->matrix,
133 FL_PLACE_MOUSE | FL_FREE_SIZE, FL_TRANSIENT,
135 fl_set_form_atclose(fd_matrix->matrix, CancelCloseBoxCB, 0);
138 lyxfunc->Dispatch(LFUN_MATH_DISPLAY);
142 int i = fl_get_browser(fd_panel->func_browse) - 1;
143 lyxfunc->Dispatch(LFUN_INSERT_MATH, func_code[i]);
153 /* callbacks for form delim */
154 void delim_cb(FL_OBJECT *, long data)
156 int left = fd_delim->left->u_ldata, right= fd_delim->right->u_ldata;
157 int side = (fl_get_button(fd_delim->right)!= 0);
163 std::ostringstream ost;
164 ost << delim_code[left] << ' ' << delim_code[right];
165 lyxfunc->Dispatch(LFUN_MATH_DELIM, ost.str().c_str());
166 if (data == MM_APPLY) break;
168 case MM_CLOSE: fl_hide_form(fd_delim->delim); break;
171 int i = fl_get_bmtable(fd_delim->menu);
172 int button = fl_get_bmtable_numb(fd_delim->menu);
173 bool both = (button==FL_MIDDLE_MOUSE);
177 if (side || (button== FL_RIGHT_MOUSE)) {
182 right = delim_rversion[i];
186 p1 = fl_get_pixmap_pixmap(fd_delim->pix, &p1, &p2);
187 fl_draw_bmtable_item(fd_delim->menu, left, p1, 0, 0);
188 fl_draw_bmtable_item(fd_delim->menu, right, p1, 16, 0);
189 fl_redraw_object(fd_delim->pix);
191 fd_delim->left->u_ldata = left;
192 fd_delim->right->u_ldata = right;
201 /* callbacks for form matrix */
202 void matrix_cb(FL_OBJECT *, long data)
204 static char v_align_c[] = "tcb";
210 char c = v_align_c[fl_get_choice(fd_matrix->valign) - 1];
211 char const * sh = fl_get_input(fd_matrix->halign);
212 int nx = int(fl_get_slider_value(fd_matrix->columns) + 0.5);
213 int ny = int(fl_get_slider_value(fd_matrix->rows) + 0.5);
214 if (data == MM_OK) fl_hide_form(fd_matrix->matrix);
215 std::ostringstream ost;
216 ost << nx << ' ' << ny << ' ' << c << sh;
217 lyxfunc->Dispatch(LFUN_INSERT_MATRIX, ost.str().c_str());
220 case MM_CLOSE: fl_hide_form(fd_matrix->matrix); break;
223 int nx = int(fl_get_slider_value(fd_matrix->columns)+0.5);
224 for (int i = 0; i < nx; ++i) h_align_str[i] = 'c';
225 //memset(h_align_str, 'c', nx);
226 h_align_str[nx] = '\0';
227 // fl_freeze_form(fd_form_main->form_main);
228 // fl_addto_form(fd_form_main->form_main);
230 fl_set_input(fd_matrix->halign, h_align_str);
231 fl_redraw_object(fd_matrix->halign);
237 /* callbacks for form deco */
238 void deco_cb(FL_OBJECT *, long data)
244 int i = fl_get_bmtable(fd_deco->menu);
245 // ideally the callback should not be called if the index is
246 // greater than the maxitem of the bmtable, but I do not know
247 // how to enforce that (JMarc)
248 if (i <= sizeof(deco_code)/sizeof(deco_code[0])) {
249 lyxfunc->Dispatch(LFUN_INSERT_MATH, deco_code[i]);
250 if (data == MM_APPLY) break;
254 case MM_CLOSE: fl_hide_form(fd_deco->deco); break;
259 /* callbacks for form space */
260 void space_cb(FL_OBJECT *, long data)
262 static short sp = -1;
263 extern char * latex_mathspace[];
265 if (data >= 0 && data < 6)
273 lyxfunc->Dispatch(LFUN_INSERT_MATH, latex_mathspace[sp]);
274 if (data == MM_APPLY) break;
276 case MM_CLOSE: fl_hide_form(fd_space->space); break;
281 extern "C" int align_filter(FL_OBJECT *, char const *, char const * cur, int c)
283 int n = int(fl_get_slider_value(fd_matrix->columns)+0.5) - strlen(cur);
284 return ((c == 'c'||c == 'l'||c == 'r') && n>= 0) ? FL_VALID: FL_INVALID;
288 char const ** mathed_get_pixmap_from_icon(int d)
291 case MM_FRAC: return frac;
292 case MM_SQRT: return sqrt_xpm;
293 case MM_DELIM: return delim;
294 case MM_MATRIX: return matrix;
295 case MM_EQU: return equation;
296 case MM_DECO: return deco;
297 case MM_SPACE: return space_xpm;
303 FD_panel * create_math_panel( )
305 fd_panel = create_form_panel();
306 fd_delim = create_form_delim();
307 fd_deco = create_form_deco();
308 fd_space = create_form_space();
309 fd_matrix = create_form_matrix();
311 /* fill-in form initialization code */
312 fl_set_button(fd_delim->left, 1);
313 fl_set_pixmap_data(fd_delim->pix, const_cast<char**>(delim0));
314 fl_set_bmtable_data(fd_delim->menu, 6, 4, delim_width, delim_height,
316 fl_set_bmtable_maxitems(fd_delim->menu, 23);
318 fl_set_pixmap_data(fd_panel->sqrt, const_cast<char**>(sqrt_xpm));
319 fl_set_pixmap_data(fd_panel->frac, const_cast<char**>(frac));
320 fl_set_pixmap_data(fd_panel->delim, const_cast<char**>(delim));
321 fl_set_pixmap_data(fd_panel->deco, const_cast<char**>(deco));
322 fl_set_pixmap_data(fd_panel->space, const_cast<char**>(space_xpm));
323 fl_set_pixmap_data(fd_panel->matrix, const_cast<char**>(matrix));
324 fl_set_pixmap_data(fd_panel->equation, const_cast<char**>(equation));
326 for (int i = 0; i < 32; ++i) {
327 fl_add_browser_line(fd_panel->func_browse, func_code[i]);
330 fl_addto_choice(fd_matrix->valign, _("Top | Center | Bottom"));
331 fl_set_choice(fd_matrix->valign, 2);
332 fl_set_input(fd_matrix->halign, h_align_str);
333 fl_set_input_filter(fd_matrix->halign, align_filter);
335 fl_set_bmtable_data(fd_deco->menu, 3, 3, deco_width, deco_height,
337 fl_set_bmtable_maxitems(fd_deco->menu, 8);
339 fd_delim->left->u_ldata = 0;
340 fd_delim->right->u_ldata = 1;
345 extern BitmapMenu * sym_menu;
346 extern void create_symbol_menues(FD_panel *);
349 void free_symbols_form()
352 fl_hide_form(fd_panel->panel);
353 fl_free_form(fd_panel->panel);
361 extern "C" int AtClose_symbols_form(FL_FORM *, void *)
368 void show_symbols_form(LyXFunc * lf)
372 fd_panel = create_math_panel();
373 fl_register_raw_callback(fd_panel->panel,
374 ButtonPressMask|KeyPressMask, C_peek_event);
375 create_symbol_menues(fd_panel);
376 fl_set_form_atclose(fd_panel->panel, AtClose_symbols_form, 0);
378 if (fd_panel->panel->visible) {
379 fl_raise_form(fd_panel->panel);
381 fl_show_form(fd_panel->panel,
382 FL_PLACE_MOUSE | FL_FREE_SIZE, FL_TRANSIENT,