src/lyx_gui_misc.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 1995 Matthias Ettrich
   8  *           Copyright 1995-2000 The LyX Team.
   9  *
  10  * ====================================================== */
  11
  12 #include <config.h>
  13
  14 #include <cerrno>
  15 #include "lyx_gui_misc.h"
  16 #include "BufferView.h"
  17 #include "bibforms.h"
  18 #include "buffer.h"
  19 #include "bullet_forms.h"
  20 #include "form1.h"
  21 #include "gettext.h"
  22 #include "include_form.h"
  23 #include "log_form.h"
  24 #include "layout_forms.h"
  25 #include "lyx.h"
  26 #include "lyx_cb.h"
  27 #include "lyx_main.h"
  28 #include "mathed/math_forms.h"
  29 #include "minibuffer.h"
  30 #include "print_form.h"
  31 #include "sp_form.h"
  32 #include "insets/insetindex.h"
  33 #include "LyXView.h"
  34 #include "bufferview_funcs.h"
  35 #include "support/filetools.h"
  36
  37 using std::pair;
  38 using std::make_pair;
  39
  40 extern BufferView * current_view;
  41
  42 extern FD_form_paragraph * fd_form_paragraph;
  43 extern FD_form_paragraph_extra * fd_form_paragraph_extra;
  44 extern FD_form_character * fd_form_character;
  45 extern FD_form_document * fd_form_document;
  46 extern FD_form_paper * fd_form_paper;
  47 extern FD_form_table_options * fd_form_table_options;
  48 extern FD_form_quotes * fd_form_quotes;
  49 extern FD_form_preamble * fd_form_preamble;
  50 extern FD_form_table * fd_form_table;
  51 extern FD_form_sendto * fd_form_sendto;
  52 extern FD_form_figure * fd_form_figure;
  53 extern FD_form_toc * fd_form_toc;
  54 extern FD_form_ref * fd_form_ref;
  55 extern FD_form_paragraph_extra * fd_form_paragraph_extra;
  56 extern FD_LaTeXLog * fd_latex_log;
  57 extern FD_form_spell_check * fd_form_spell_check;
  58 extern FD_form_bullet * fd_form_bullet;
  59 extern FD_panel  * fd_panel;
  60 extern FD_delim  * fd_delim;
  61 extern FD_deco   * fd_deco;
  62 extern FD_space  * fd_space;
  63 extern FD_matrix * fd_matrix;
  64 extern FD_bibitem_form * bibitem_form;
  65 extern FD_include * form;
  66 extern FD_index_form * index_form;
  67
  68 extern void TocUpdateCB();
  69 extern void HideFiguresPopups();
  70
  71 // Prevents LyX from being killed when the close box is pressed in a popup.
  72 extern "C" int CancelCloseBoxCB(FL_FORM *, void *)
  73 {
  74         return FL_CANCEL;
  75 }
  76
  77
  78 // Prevents LyX from being killed when the close box is pressed in a popup.
  79 extern "C" int IgnoreCloseBoxCB(FL_FORM *, void *)
  80 {
  81         return FL_IGNORE;
  82 }
  83
  84
  85 // Prevents LyX from crashing when no buffers available
  86 // This is also one of the functions that we _really_ dont want
  87 // we should try to finds way to help us with that.
  88 // The signal/slot mechanism can probably help.
  89 void CloseAllBufferRelatedDialogs()
  90 {
  91         // don't forget to check that dynamically created forms
  92         // have been created otherwise hiding one could cause a crash
  93         // need the visible check otherwise XForms prints a warning
  94         // if hiding an invisible form
  95         if (fd_form_paragraph->form_paragraph->visible) {
  96                 fl_hide_form(fd_form_paragraph->form_paragraph);
  97         }
  98         if (fd_form_paragraph_extra->form_paragraph_extra->visible) {
  99                 fl_hide_form(fd_form_paragraph_extra->form_paragraph_extra);
 100         }
 101         if (fd_form_character->form_character->visible) {
 102                 fl_hide_form(fd_form_character->form_character);
 103         }
 104         if (fd_form_document->form_document->visible) {
 105                 fl_hide_form(fd_form_document->form_document);
 106         }
 107         if (fd_form_quotes->form_quotes->visible) {
 108                 fl_hide_form(fd_form_quotes->form_quotes);
 109         }
 110         if (fd_form_preamble->form_preamble->visible) {
 111                 fl_hide_form(fd_form_preamble->form_preamble);
 112         }
 113         if (fd_form_table->form_table->visible) {
 114                 fl_hide_form(fd_form_table->form_table);
 115         }
 116         if (fd_form_figure->form_figure->visible) {
 117                 fl_hide_form(fd_form_figure->form_figure);
 118         }
 119         if (fd_form_toc->form_toc->visible) {
 120                 fl_hide_form(fd_form_toc->form_toc);
 121         }
 122         if (fd_form_ref->form_ref->visible) {
 123                 fl_hide_form(fd_form_ref->form_ref);
 124         }
 125         if (fd_form_paper->form_paper->visible) {
 126                 fl_hide_form(fd_form_paper->form_paper);
 127         }
 128         if (fd_form_table_options->form_table_options->visible) {
 129                 fl_hide_form(fd_form_table_options->form_table_options);
 130         }
 131         if (fd_form_sendto->form_sendto->visible) {
 132                 fl_hide_form(fd_form_sendto->form_sendto);
 133         }
 134         if (fd_latex_log->LaTeXLog->visible) {
 135                 fl_hide_form(fd_latex_log->LaTeXLog);
 136         }
 137         if (fd_form_spell_check) {
 138                 if (fd_form_spell_check->form_spell_check->visible) {
 139                         fl_trigger_object(fd_form_spell_check->done);
 140                 }
 141         }
 142         if (fd_form_bullet) {
 143                 if (fd_form_bullet->form_bullet->visible) {
 144                         fl_hide_form(fd_form_bullet->form_bullet);
 145                 }
 146         }
 147         if (fd_panel) {
 148                 if (fd_panel->panel->visible) {
 149                         fl_hide_form(fd_panel->panel);
 150                 }
 151         }
 152         if (fd_delim) {
 153                 if (fd_delim->delim->visible) {
 154                         fl_hide_form(fd_delim->delim);
 155                 }
 156         }
 157         if (fd_deco) {
 158                 if (fd_deco->deco->visible) {
 159                         fl_hide_form(fd_deco->deco);
 160                 }
 161         }
 162         if (fd_space) {
 163                 if (fd_space->space->visible) {
 164                         fl_hide_form(fd_space->space);
 165                 }
 166         }
 167         if (fd_matrix) {
 168                 if (fd_matrix->matrix->visible) {
 169                         fl_hide_form(fd_matrix->matrix);
 170                 }
 171         }
 172         if (bibitem_form) {
 173                 if (bibitem_form->bibitem_form->visible) {
 174                         fl_hide_form(bibitem_form->bibitem_form);
 175                 }
 176         }
 177         if (form) {
 178                 if (form->include->visible) {
 179                         fl_hide_form(form->include);
 180                 }
 181         }
 182         if (index_form) {
 183                 if (index_form->index_form->visible) {
 184                         fl_hide_form(index_form->index_form);
 185                 }
 186         }
 187         HideFiguresPopups();
 188 }
 189
 190 // This is another function we really don't want.
 191 // Again the Signal/Slot mechanism is tailor made for this task.
 192 void updateAllVisibleBufferRelatedDialogs()
 193 {
 194         if (fd_form_document->form_document->visible) {
 195                 UpdateLayoutDocument();
 196         }
 197         if (fd_form_preamble->form_preamble->visible) {
 198                 UpdateLayoutPreamble();
 199         }
 200         if (fd_form_quotes->form_quotes->visible) {
 201                 UpdateLayoutQuotes();
 202         }
 203         if (fd_form_paragraph->form_paragraph->visible) {
 204                 UpdateLayoutParagraph();
 205         }
 206         if (fd_form_paragraph_extra->form_paragraph_extra->visible) {
 207                 UpdateParagraphExtra();
 208         }
 209         if (fd_form_paper->form_paper->visible) {
 210                 UpdateLayoutPaper();
 211         }
 212         if (fd_form_table_options->form_table_options->visible) {
 213                 UpdateLayoutTable(1); // just like a right mouse click
 214         }
 215         if (fd_form_bullet) {
 216                 if (fd_form_bullet->form_bullet->visible) {
 217                         updateBulletForm();
 218                 }
 219         }
 220         if (fd_form_toc->browser_toc->visible) {
 221                 TocUpdateCB(0, 0);
 222         }
 223         if (fd_latex_log->LaTeXLog->visible) {
 224                 LatexLogUpdate(0,0);
 225         }
 226 #ifdef ALWAYS_UPDATE_REF
 227         // Ideally, the RefUpdateCB should be modified so that if the
 228         // current document is a subdocument the reference list should come
 229         // from master document (or even be a merger of references from all
 230         // its sibling documents).  For now this has effectively been
 231         // commented out to ensure that users of multipart documents can
 232         // access the reference list of a different document.  This is
 233         // of course a compromise and an annoyance for users switching
 234         // between separate documents.  ARRae 241198
 235         if (fd_form_ref->form_ref->visible) {
 236                 RefUpdateCB(0, 0);
 237         }
 238 #endif
 239         if (current_view->buffer()->isReadonly()) {
 240                 // a little crude perhaps but it works. ARRae
 241                 if (fd_form_character->form_character->visible) {
 242                         fl_hide_form(fd_form_character->form_character);
 243                 }
 244                 if (fd_form_table->form_table->visible) {
 245                         fl_hide_form(fd_form_table->form_table);
 246                 }
 247
 248 #ifndef ALWAYS_UPDATE_REF
 249                 // We must update the popup in order to make the
 250                 // insert ref buttons insactive
 251                 if (fd_form_ref->form_ref->visible) {
 252                         RefUpdateCB(0, 0);
 253                 }
 254 #endif
 255
 256 #ifndef ALWAYS_CLOSE_MATH_PANELS
 257                 // The math popups should be closed only if we switch
 258                 // to a readonly buffer
 259                 if (fd_panel) {
 260                         if (fd_panel->panel->visible) {
 261                                 fl_hide_form(fd_panel->panel);
 262                         }
 263                 }
 264                 if (fd_delim) {
 265                         if (fd_delim->delim->visible) {
 266                                 fl_hide_form(fd_delim->delim);
 267                         }
 268                 }
 269                 if (fd_deco) {
 270                         if (fd_deco->deco->visible) {
 271                                 fl_hide_form(fd_deco->deco);
 272                         }
 273                 }
 274                 if (fd_space) {
 275                         if (fd_space->space->visible) {
 276                                 fl_hide_form(fd_space->space);
 277                         }
 278                 }
 279                 if (fd_matrix) {
 280                         if (fd_matrix->matrix->visible) {
 281                                 fl_hide_form(fd_matrix->matrix);
 282                         }
 283                 }
 284 #endif
 285         }
 286
 287         // We have either changed buffers or changed the readonly status
 288         // so the safest thing to do is hide all inset popups that
 289         // are editting insets from the previous buffer or aren't
 290         // allowed in readonly docs.
 291 #ifdef ALWAYS_CLOSE_MATH_PANELS
 292         if (fd_panel) {
 293                 if (fd_panel->panel->visible) {
 294                         fl_hide_form(fd_panel->panel);
 295                 }
 296         }
 297         if (fd_delim) {
 298                 if (fd_delim->delim->visible) {
 299                         fl_hide_form(fd_delim->delim);
 300                 }
 301         }
 302         if (fd_deco) {
 303                 if (fd_deco->deco->visible) {
 304                         fl_hide_form(fd_deco->deco);
 305                 }
 306         }
 307         if (fd_space) {
 308                 if (fd_space->space->visible) {
 309                         fl_hide_form(fd_space->space);
 310                 }
 311         }
 312         if (fd_matrix) {
 313                 if (fd_matrix->matrix->visible) {
 314                         fl_hide_form(fd_matrix->matrix);
 315                 }
 316         }
 317 #endif
 318         if (bibitem_form) {
 319                 if (bibitem_form->bibitem_form->visible) {
 320                         fl_hide_form(bibitem_form->bibitem_form);
 321                 }
 322         }
 323         if (form) {
 324                 if (form->include->visible) {
 325                         fl_hide_form(form->include);
 326                 }
 327         }
 328         if (index_form) {
 329                 if (index_form->index_form->visible) {
 330                         fl_hide_form(index_form->index_form);
 331                 }
 332         }
 333         HideFiguresPopups();
 334 }
 335
 336 // Extract shortcut from <ident>|<shortcut> string
 337 char const * flyx_shortcut_extract(char const * sc)
 338 {
 339         // Find '|' in the sc and return the string after that.
 340         register char const * sd = sc;
 341         while(sd[0]!= 0 && sd[0] != '|') ++sd;
 342
 343         if (sd[0] == '|') {
 344                 ++sd;
 345                 //lyxerr << sd << endl;
 346                 return sd;
 347         }
 348         return "";
 349 }
 350
 351
 352 // Extract identifier from <ident>|<shortcut> string
 353 char const * flyx_ident_extract(char const * sc)
 354 {
 355         register char const * se = sc;
 356         while(se[0]!= 0 && se[0] != '|') ++se;
 357
 358         if (se[0] == 0) return sc;
 359
 360         char * sb = new char[se - sc + 1];
 361         int index = 0;
 362         register char const * sd = sc;
 363         while (sd != se) {
 364                 sb[index] = sd[0];
 365                 ++index; ++sd;
 366         }
 367         sb[index] = 0;
 368         return sb;
 369 }
 370
 371
 372 //
 373 void WriteAlert(string const & s1, string const & s2, string const & s3)
 374 {
 375         MiniBuffer * minibuffer = 0;
 376         if (current_view && current_view->owner())
 377                 minibuffer = current_view->owner()->getMiniBuffer();
 378         if (minibuffer) {
 379                 ProhibitInput(current_view);
 380                 minibuffer->Set(s1, s2, s3);
 381         }
 382
 383         fl_set_resource("flAlert.dismiss.label", _("Dismiss"));
 384         fl_show_alert(s1.c_str(), s2.c_str(), s3.c_str(), 0);
 385         if (minibuffer) {
 386                 AllowInput(current_view);
 387         }
 388 }
 389
 390
 391 // Alarms user of something related to files
 392 void WriteFSAlert(string const & s1, string const & s2)
 393 {
 394         WriteAlert (s1, s2, strerror(errno));
 395 }
 396
 397
 398 bool AskQuestion(string const & s1, string const & s2, string const & s3)
 399 {
 400         fl_set_resource("flQuestion.yes.label", idex(_("Yes|Yy#y")));
 401         fl_set_resource("flQuestion.no.label", idex(_("No|Nn#n")));
 402         return fl_show_question((s1 + "\n" + s2 + "\n" + s3).c_str(), 0);
 403 }
 404
 405
 406 // Returns 1 for yes, 2 for no, 3 for cancel.
 407 int AskConfirmation(string const & s1, string const & s2, string const & s3)
 408 {
 409         fl_set_choices_shortcut(scex(_("Yes|Yy#y")),
 410                                 scex(_("No|Nn#n")),
 411                                 scex(_("Cancel|^[")));
 412         return fl_show_choice(s1.c_str(), s2.c_str(), s3.c_str(),
 413                               3, idex(_("Yes|Yy#y")),
 414                               idex(_("No|Nn#n")),
 415                               idex(_("Cancel|^[")), 3);
 416 }
 417
 418
 419 // Asks for a text
 420 pair<bool, string> askForText(string const & msg, string const & dflt)
 421 {
 422         fl_set_resource("flInput.cancel.label", idex(_("Cancel|^[")));
 423         fl_set_resource("flInput.ok.label", idex(_("OK|#O")));
 424         fl_set_resource("flInput.clear.label", idex(_("Clear|#e")));
 425         char const * tmp = fl_show_input(msg.c_str(), dflt.c_str());
 426         if (tmp != 0)
 427           return make_pair<bool, string>(true, string(tmp));
 428         else
 429           return make_pair<bool, string>(false, string());
 430 }
 431
 432
 433 // Inform the user that the buffer is read-only, and that changes in the
 434 // dialog box that is to appear will be ignored.
 435 void WarnReadonly(string const & file)
 436 {
 437         WriteAlert(_("Any changes will be ignored"),
 438                    _("The document is read-only:"),
 439                    MakeDisplayPath(file));
 440 }
 441
 442 /// Get the dpi setting of the current screen
 443 float getScreenDPI()
 444 {
 445         Screen * scr = DefaultScreenOfDisplay(fl_get_display());
 446         return ((HeightOfScreen(scr) * 25.4 / HeightMMOfScreen(scr)) +
 447                 (WidthOfScreen(scr) * 25.4 / WidthMMOfScreen(scr))) / 2;
 448 }