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 #endif
 114         if (fd_form_preamble->form_preamble->visible) {
 115                 fl_hide_form(fd_form_preamble->form_preamble);
 116         }
 117         if (fd_form_table->form_table->visible) {
 118                 fl_hide_form(fd_form_table->form_table);
 119         }
 120         if (fd_form_figure->form_figure->visible) {
 121                 fl_hide_form(fd_form_figure->form_figure);
 122         }
 123         if (fd_form_table_options->form_table_options->visible) {
 124                 fl_hide_form(fd_form_table_options->form_table_options);
 125         }
 126         if (fd_form_sendto->form_sendto->visible) {
 127                 fl_hide_form(fd_form_sendto->form_sendto);
 128         }
 129         if (fd_latex_log->LaTeXLog->visible) {
 130                 fl_hide_form(fd_latex_log->LaTeXLog);
 131         }
 132         if (fd_form_spell_check) {
 133                 if (fd_form_spell_check->form_spell_check->visible) {
 134                         fl_trigger_object(fd_form_spell_check->done);
 135                 }
 136         }
 137         if (fd_form_bullet) {
 138                 if (fd_form_bullet->form_bullet->visible) {
 139                         fl_hide_form(fd_form_bullet->form_bullet);
 140                 }
 141         }
 142         if (fd_panel) {
 143                 if (fd_panel->panel->visible) {
 144                         fl_hide_form(fd_panel->panel);
 145                 }
 146         }
 147         if (fd_delim) {
 148                 if (fd_delim->delim->visible) {
 149                         fl_hide_form(fd_delim->delim);
 150                 }
 151         }
 152         if (fd_deco) {
 153                 if (fd_deco->deco->visible) {
 154                         fl_hide_form(fd_deco->deco);
 155                 }
 156         }
 157         if (fd_space) {
 158                 if (fd_space->space->visible) {
 159                         fl_hide_form(fd_space->space);
 160                 }
 161         }
 162         if (fd_matrix) {
 163                 if (fd_matrix->matrix->visible) {
 164                         fl_hide_form(fd_matrix->matrix);
 165                 }
 166         }
 167         if (bibitem_form) {
 168                 if (bibitem_form->bibitem_form->visible) {
 169                         fl_hide_form(bibitem_form->bibitem_form);
 170                 }
 171         }
 172         if (form) {
 173                 if (form->include->visible) {
 174                         fl_hide_form(form->include);
 175                 }
 176         }
 177         HideFiguresPopups();
 178 }
 179
 180 // This is another function we really don't want.
 181 // Again the Signal/Slot mechanism is tailor made for this task.
 182 void updateAllVisibleBufferRelatedDialogs()
 183 {
 184 #ifdef USE_OLD_DOCUMENT_LAYOUT
 185         if (fd_form_document->form_document->visible) {
 186                 UpdateLayoutDocument();
 187         }
 188         if (fd_form_quotes->form_quotes->visible) {
 189                 UpdateLayoutQuotes();
 190         }
 191         if (fd_form_paper->form_paper->visible) {
 192                 UpdateLayoutPaper();
 193         }
 194 #endif
 195         if (fd_form_preamble->form_preamble->visible) {
 196                 UpdateLayoutPreamble();
 197         }
 198         if (fd_form_paragraph->form_paragraph->visible) {
 199                 UpdateLayoutParagraph();
 200         }
 201         if (fd_form_paragraph_extra->form_paragraph_extra->visible) {
 202                 UpdateParagraphExtra();
 203         }
 204 #ifndef NEW_TABULAR
 205         if (fd_form_table_options->form_table_options->visible) {
 206                 UpdateLayoutTable(1); // just like a right mouse click
 207         }
 208 #endif
 209         if (fd_form_bullet) {
 210                 if (fd_form_bullet->form_bullet->visible) {
 211                         updateBulletForm();
 212                 }
 213         }
 214         if (fd_latex_log->LaTeXLog->visible) {
 215                 LatexLogUpdate(0,0);
 216         }
 217         if (current_view->buffer()->isReadonly()) {
 218                 // a little crude perhaps but it works. ARRae
 219                 if (fd_form_character->form_character->visible) {
 220                         fl_hide_form(fd_form_character->form_character);
 221                 }
 222                 if (fd_form_table->form_table->visible) {
 223                         fl_hide_form(fd_form_table->form_table);
 224                 }
 225
 226 #ifndef ALWAYS_CLOSE_MATH_PANELS
 227                 // The math popups should be closed only if we switch
 228                 // to a readonly buffer
 229                 if (fd_panel) {
 230                         if (fd_panel->panel->visible) {
 231                                 fl_hide_form(fd_panel->panel);
 232                         }
 233                 }
 234                 if (fd_delim) {
 235                         if (fd_delim->delim->visible) {
 236                                 fl_hide_form(fd_delim->delim);
 237                         }
 238                 }
 239                 if (fd_deco) {
 240                         if (fd_deco->deco->visible) {
 241                                 fl_hide_form(fd_deco->deco);
 242                         }
 243                 }
 244                 if (fd_space) {
 245                         if (fd_space->space->visible) {
 246                                 fl_hide_form(fd_space->space);
 247                         }
 248                 }
 249                 if (fd_matrix) {
 250                         if (fd_matrix->matrix->visible) {
 251                                 fl_hide_form(fd_matrix->matrix);
 252                         }
 253                 }
 254 #endif
 255         }
 256
 257         // We have either changed buffers or changed the readonly status
 258         // so the safest thing to do is hide all inset popups that
 259         // are editting insets from the previous buffer or aren't
 260         // allowed in readonly docs.
 261 #ifdef ALWAYS_CLOSE_MATH_PANELS
 262         if (fd_panel) {
 263                 if (fd_panel->panel->visible) {
 264                         fl_hide_form(fd_panel->panel);
 265                 }
 266         }
 267         if (fd_delim) {
 268                 if (fd_delim->delim->visible) {
 269                         fl_hide_form(fd_delim->delim);
 270                 }
 271         }
 272         if (fd_deco) {
 273                 if (fd_deco->deco->visible) {
 274                         fl_hide_form(fd_deco->deco);
 275                 }
 276         }
 277         if (fd_space) {
 278                 if (fd_space->space->visible) {
 279                         fl_hide_form(fd_space->space);
 280                 }
 281         }
 282         if (fd_matrix) {
 283                 if (fd_matrix->matrix->visible) {
 284                         fl_hide_form(fd_matrix->matrix);
 285                 }
 286         }
 287 #endif
 288         if (bibitem_form) {
 289                 if (bibitem_form->bibitem_form->visible) {
 290                         fl_hide_form(bibitem_form->bibitem_form);
 291                 }
 292         }
 293         if (form) {
 294                 if (form->include->visible) {
 295                         fl_hide_form(form->include);
 296                 }
 297         }
 298         HideFiguresPopups();
 299 }
 300
 301 // Extract shortcut from <ident>|<shortcut> string
 302 char const * flyx_shortcut_extract(char const * sc)
 303 {
 304         // Find '|' in the sc and return the string after that.
 305         register char const * sd = sc;
 306         while(sd[0]!= 0 && sd[0] != '|') ++sd;
 307
 308         if (sd[0] == '|') {
 309                 ++sd;
 310                 //lyxerr << sd << endl;
 311                 return sd;
 312         }
 313         return "";
 314 }
 315
 316
 317 // Extract identifier from <ident>|<shortcut> string
 318 char const * flyx_ident_extract(char const * sc)
 319 {
 320         register char const * se = sc;
 321         while(se[0]!= 0 && se[0] != '|') ++se;
 322
 323         if (se[0] == 0) return sc;
 324
 325         char * sb = new char[se - sc + 1];
 326         int index = 0;
 327         register char const * sd = sc;
 328         while (sd != se) {
 329                 sb[index] = sd[0];
 330                 ++index; ++sd;
 331         }
 332         sb[index] = 0;
 333         return sb;
 334 }
 335
 336
 337 //
 338 void WriteAlert(string const & s1, string const & s2, string const & s3)
 339 {
 340         MiniBuffer * minibuffer = 0;
 341         if (current_view && current_view->owner())
 342                 minibuffer = current_view->owner()->getMiniBuffer();
 343         if (minibuffer) {
 344                 ProhibitInput(current_view);
 345                 minibuffer->Set(s1, s2, s3);
 346         }
 347
 348         fl_set_resource("flAlert.dismiss.label", _("Dismiss"));
 349         fl_show_alert(s1.c_str(), s2.c_str(), s3.c_str(), 0);
 350         if (minibuffer) {
 351                 AllowInput(current_view);
 352         }
 353 }
 354
 355
 356 // Alarms user of something related to files
 357 void WriteFSAlert(string const & s1, string const & s2)
 358 {
 359         WriteAlert (s1, s2, strerror(errno));
 360 }
 361
 362
 363 bool AskQuestion(string const & s1, string const & s2, string const & s3)
 364 {
 365         fl_set_resource("flQuestion.yes.label", idex(_("Yes|Yy#y")));
 366         fl_set_resource("flQuestion.no.label", idex(_("No|Nn#n")));
 367         return fl_show_question((s1 + "\n" + s2 + "\n" + s3).c_str(), 0);
 368 }
 369
 370
 371 // Returns 1 for yes, 2 for no, 3 for cancel.
 372 int AskConfirmation(string const & s1, string const & s2, string const & s3)
 373 {
 374         fl_set_choices_shortcut(scex(_("Yes|Yy#y")),
 375                                 scex(_("No|Nn#n")),
 376                                 scex(_("Cancel|^[")));
 377         return fl_show_choice(s1.c_str(), s2.c_str(), s3.c_str(),
 378                               3, idex(_("Yes|Yy#y")),
 379                               idex(_("No|Nn#n")),
 380                               idex(_("Cancel|^[")), 3);
 381 }
 382
 383
 384 // Asks for a text
 385 pair<bool, string> const
 386 askForText(string const & msg, string const & dflt)
 387 {
 388         fl_set_resource("flInput.cancel.label", idex(_("Cancel|^[")));
 389         fl_set_resource("flInput.ok.label", idex(_("OK|#O")));
 390         fl_set_resource("flInput.clear.label", idex(_("Clear|#e")));
 391         char const * tmp = fl_show_input(msg.c_str(), dflt.c_str());
 392         if (tmp != 0)
 393           return make_pair<bool, string>(true, string(tmp));
 394         else
 395           return make_pair<bool, string>(false, string());
 396 }
 397
 398
 399 // Inform the user that the buffer is read-only, and that changes in the
 400 // dialog box that is to appear will be ignored.
 401 void WarnReadonly(string const & file)
 402 {
 403         WriteAlert(_("Any changes will be ignored"),
 404                    _("The document is read-only:"),
 405                    MakeDisplayPath(file));
 406 }
 407
 408 /// Get the dpi setting of the current screen
 409 float getScreenDPI()
 410 {
 411         Screen * scr = DefaultScreenOfDisplay(fl_get_display());
 412         return ((HeightOfScreen(scr) * 25.4 / HeightMMOfScreen(scr)) +
 413                 (WidthOfScreen(scr) * 25.4 / WidthMMOfScreen(scr))) / 2;
 414 }