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         if (fd_form_document->form_document->visible) {
 104                 fl_hide_form(fd_form_document->form_document);
 105         }
 106         if (fd_form_quotes->form_quotes->visible) {
 107                 fl_hide_form(fd_form_quotes->form_quotes);
 108         }
 109         if (fd_form_preamble->form_preamble->visible) {
 110                 fl_hide_form(fd_form_preamble->form_preamble);
 111         }
 112         if (fd_form_table->form_table->visible) {
 113                 fl_hide_form(fd_form_table->form_table);
 114         }
 115         if (fd_form_figure->form_figure->visible) {
 116                 fl_hide_form(fd_form_figure->form_figure);
 117         }
 118         if (fd_form_paper->form_paper->visible) {
 119                 fl_hide_form(fd_form_paper->form_paper);
 120         }
 121         if (fd_form_table_options->form_table_options->visible) {
 122                 fl_hide_form(fd_form_table_options->form_table_options);
 123         }
 124         if (fd_form_sendto->form_sendto->visible) {
 125                 fl_hide_form(fd_form_sendto->form_sendto);
 126         }
 127         if (fd_latex_log->LaTeXLog->visible) {
 128                 fl_hide_form(fd_latex_log->LaTeXLog);
 129         }
 130         if (fd_form_spell_check) {
 131                 if (fd_form_spell_check->form_spell_check->visible) {
 132                         fl_trigger_object(fd_form_spell_check->done);
 133                 }
 134         }
 135         if (fd_form_bullet) {
 136                 if (fd_form_bullet->form_bullet->visible) {
 137                         fl_hide_form(fd_form_bullet->form_bullet);
 138                 }
 139         }
 140         if (fd_panel) {
 141                 if (fd_panel->panel->visible) {
 142                         fl_hide_form(fd_panel->panel);
 143                 }
 144         }
 145         if (fd_delim) {
 146                 if (fd_delim->delim->visible) {
 147                         fl_hide_form(fd_delim->delim);
 148                 }
 149         }
 150         if (fd_deco) {
 151                 if (fd_deco->deco->visible) {
 152                         fl_hide_form(fd_deco->deco);
 153                 }
 154         }
 155         if (fd_space) {
 156                 if (fd_space->space->visible) {
 157                         fl_hide_form(fd_space->space);
 158                 }
 159         }
 160         if (fd_matrix) {
 161                 if (fd_matrix->matrix->visible) {
 162                         fl_hide_form(fd_matrix->matrix);
 163                 }
 164         }
 165         if (bibitem_form) {
 166                 if (bibitem_form->bibitem_form->visible) {
 167                         fl_hide_form(bibitem_form->bibitem_form);
 168                 }
 169         }
 170         if (form) {
 171                 if (form->include->visible) {
 172                         fl_hide_form(form->include);
 173                 }
 174         }
 175         HideFiguresPopups();
 176 }
 177
 178 // This is another function we really don't want.
 179 // Again the Signal/Slot mechanism is tailor made for this task.
 180 void updateAllVisibleBufferRelatedDialogs()
 181 {
 182 #ifdef USE_OLD_DOCUMENT_LAYOUT
 183         if (fd_form_document->form_document->visible) {
 184                 UpdateLayoutDocument();
 185         }
 186         if (fd_form_quotes->form_quotes->visible) {
 187                 UpdateLayoutQuotes();
 188         }
 189         if (fd_form_paper->form_paper->visible) {
 190                 UpdateLayoutPaper();
 191         }
 192 #endif
 193         if (fd_form_preamble->form_preamble->visible) {
 194                 UpdateLayoutPreamble();
 195         }
 196         if (fd_form_paragraph->form_paragraph->visible) {
 197                 UpdateLayoutParagraph();
 198         }
 199         if (fd_form_paragraph_extra->form_paragraph_extra->visible) {
 200                 UpdateParagraphExtra();
 201         }
 202         if (fd_form_table_options->form_table_options->visible) {
 203                 UpdateLayoutTable(1); // just like a right mouse click
 204         }
 205         if (fd_form_bullet) {
 206                 if (fd_form_bullet->form_bullet->visible) {
 207                         updateBulletForm();
 208                 }
 209         }
 210         if (fd_latex_log->LaTeXLog->visible) {
 211                 LatexLogUpdate(0,0);
 212         }
 213         if (current_view->buffer()->isReadonly()) {
 214                 // a little crude perhaps but it works. ARRae
 215                 if (fd_form_character->form_character->visible) {
 216                         fl_hide_form(fd_form_character->form_character);
 217                 }
 218                 if (fd_form_table->form_table->visible) {
 219                         fl_hide_form(fd_form_table->form_table);
 220                 }
 221
 222 #ifndef ALWAYS_CLOSE_MATH_PANELS
 223                 // The math popups should be closed only if we switch
 224                 // to a readonly buffer
 225                 if (fd_panel) {
 226                         if (fd_panel->panel->visible) {
 227                                 fl_hide_form(fd_panel->panel);
 228                         }
 229                 }
 230                 if (fd_delim) {
 231                         if (fd_delim->delim->visible) {
 232                                 fl_hide_form(fd_delim->delim);
 233                         }
 234                 }
 235                 if (fd_deco) {
 236                         if (fd_deco->deco->visible) {
 237                                 fl_hide_form(fd_deco->deco);
 238                         }
 239                 }
 240                 if (fd_space) {
 241                         if (fd_space->space->visible) {
 242                                 fl_hide_form(fd_space->space);
 243                         }
 244                 }
 245                 if (fd_matrix) {
 246                         if (fd_matrix->matrix->visible) {
 247                                 fl_hide_form(fd_matrix->matrix);
 248                         }
 249                 }
 250 #endif
 251         }
 252
 253         // We have either changed buffers or changed the readonly status
 254         // so the safest thing to do is hide all inset popups that
 255         // are editting insets from the previous buffer or aren't
 256         // allowed in readonly docs.
 257 #ifdef ALWAYS_CLOSE_MATH_PANELS
 258         if (fd_panel) {
 259                 if (fd_panel->panel->visible) {
 260                         fl_hide_form(fd_panel->panel);
 261                 }
 262         }
 263         if (fd_delim) {
 264                 if (fd_delim->delim->visible) {
 265                         fl_hide_form(fd_delim->delim);
 266                 }
 267         }
 268         if (fd_deco) {
 269                 if (fd_deco->deco->visible) {
 270                         fl_hide_form(fd_deco->deco);
 271                 }
 272         }
 273         if (fd_space) {
 274                 if (fd_space->space->visible) {
 275                         fl_hide_form(fd_space->space);
 276                 }
 277         }
 278         if (fd_matrix) {
 279                 if (fd_matrix->matrix->visible) {
 280                         fl_hide_form(fd_matrix->matrix);
 281                 }
 282         }
 283 #endif
 284         if (bibitem_form) {
 285                 if (bibitem_form->bibitem_form->visible) {
 286                         fl_hide_form(bibitem_form->bibitem_form);
 287                 }
 288         }
 289         if (form) {
 290                 if (form->include->visible) {
 291                         fl_hide_form(form->include);
 292                 }
 293         }
 294         HideFiguresPopups();
 295 }
 296
 297 // Extract shortcut from <ident>|<shortcut> string
 298 char const * flyx_shortcut_extract(char const * sc)
 299 {
 300         // Find '|' in the sc and return the string after that.
 301         register char const * sd = sc;
 302         while(sd[0]!= 0 && sd[0] != '|') ++sd;
 303
 304         if (sd[0] == '|') {
 305                 ++sd;
 306                 //lyxerr << sd << endl;
 307                 return sd;
 308         }
 309         return "";
 310 }
 311
 312
 313 // Extract identifier from <ident>|<shortcut> string
 314 char const * flyx_ident_extract(char const * sc)
 315 {
 316         register char const * se = sc;
 317         while(se[0]!= 0 && se[0] != '|') ++se;
 318
 319         if (se[0] == 0) return sc;
 320
 321         char * sb = new char[se - sc + 1];
 322         int index = 0;
 323         register char const * sd = sc;
 324         while (sd != se) {
 325                 sb[index] = sd[0];
 326                 ++index; ++sd;
 327         }
 328         sb[index] = 0;
 329         return sb;
 330 }
 331
 332
 333 //
 334 void WriteAlert(string const & s1, string const & s2, string const & s3)
 335 {
 336         MiniBuffer * minibuffer = 0;
 337         if (current_view && current_view->owner())
 338                 minibuffer = current_view->owner()->getMiniBuffer();
 339         if (minibuffer) {
 340                 ProhibitInput(current_view);
 341                 minibuffer->Set(s1, s2, s3);
 342         }
 343
 344         fl_set_resource("flAlert.dismiss.label", _("Dismiss"));
 345         fl_show_alert(s1.c_str(), s2.c_str(), s3.c_str(), 0);
 346         if (minibuffer) {
 347                 AllowInput(current_view);
 348         }
 349 }
 350
 351
 352 // Alarms user of something related to files
 353 void WriteFSAlert(string const & s1, string const & s2)
 354 {
 355         WriteAlert (s1, s2, strerror(errno));
 356 }
 357
 358
 359 bool AskQuestion(string const & s1, string const & s2, string const & s3)
 360 {
 361         fl_set_resource("flQuestion.yes.label", idex(_("Yes|Yy#y")));
 362         fl_set_resource("flQuestion.no.label", idex(_("No|Nn#n")));
 363         return fl_show_question((s1 + "\n" + s2 + "\n" + s3).c_str(), 0);
 364 }
 365
 366
 367 // Returns 1 for yes, 2 for no, 3 for cancel.
 368 int AskConfirmation(string const & s1, string const & s2, string const & s3)
 369 {
 370         fl_set_choices_shortcut(scex(_("Yes|Yy#y")),
 371                                 scex(_("No|Nn#n")),
 372                                 scex(_("Cancel|^[")));
 373         return fl_show_choice(s1.c_str(), s2.c_str(), s3.c_str(),
 374                               3, idex(_("Yes|Yy#y")),
 375                               idex(_("No|Nn#n")),
 376                               idex(_("Cancel|^[")), 3);
 377 }
 378
 379
 380 // Asks for a text
 381 pair<bool, string> const
 382 askForText(string const & msg, string const & dflt)
 383 {
 384         fl_set_resource("flInput.cancel.label", idex(_("Cancel|^[")));
 385         fl_set_resource("flInput.ok.label", idex(_("OK|#O")));
 386         fl_set_resource("flInput.clear.label", idex(_("Clear|#e")));
 387         char const * tmp = fl_show_input(msg.c_str(), dflt.c_str());
 388         if (tmp != 0)
 389           return make_pair<bool, string>(true, string(tmp));
 390         else
 391           return make_pair<bool, string>(false, string());
 392 }
 393
 394
 395 // Inform the user that the buffer is read-only, and that changes in the
 396 // dialog box that is to appear will be ignored.
 397 void WarnReadonly(string const & file)
 398 {
 399         WriteAlert(_("Any changes will be ignored"),
 400                    _("The document is read-only:"),
 401                    MakeDisplayPath(file));
 402 }
 403
 404 /// Get the dpi setting of the current screen
 405 float getScreenDPI()
 406 {
 407         Screen * scr = DefaultScreenOfDisplay(fl_get_display());
 408         return ((HeightOfScreen(scr) * 25.4 / HeightMMOfScreen(scr)) +
 409                 (WidthOfScreen(scr) * 25.4 / WidthMMOfScreen(scr))) / 2;
 410 }