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