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