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