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