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 "form1.h"
  24 #include "gettext.h"
  25 #include "include_form.h"
  26 #include "log_form.h"
  27 #include "layout_forms.h"
  28 #include "lyx.h"
  29 #include "lyx_cb.h"
  30 #include "lyx_main.h"
  31 #include "mathed/math_forms.h"
  32 #include "minibuffer.h"
  33 #include "print_form.h"
  34 #include "sp_form.h"
  35 #include "LyXView.h"
  36 #include "bufferview_funcs.h"
  37 #include "support/filetools.h"
  38
  39 using std::pair;
  40 using std::make_pair;
  41 using std::endl;
  42
  43 extern BufferView * current_view;
  44
  45 extern FD_form_character * fd_form_character;
  46 extern FD_form_preamble * fd_form_preamble;
  47 extern FD_form_sendto * fd_form_sendto;
  48 extern FD_form_figure * fd_form_figure;
  49 extern FD_LaTeXLog * fd_latex_log;
  50 extern FD_form_spell_check * fd_form_spell_check;
  51 extern FD_panel  * fd_panel;
  52 extern FD_delim  * fd_delim;
  53 extern FD_deco   * fd_deco;
  54 extern FD_space  * fd_space;
  55 extern FD_matrix * fd_matrix;
  56 extern FD_bibitem_form * bibitem_form;
  57 extern FD_include * form;
  58
  59 extern void HideFiguresPopups();
  60
  61 // Prevents LyX from being killed when the close box is pressed in a popup.
  62 extern "C" int CancelCloseBoxCB(FL_FORM *, void *)
  63 {
  64         return FL_CANCEL;
  65 }
  66
  67
  68 // Prevents LyX from being killed when the close box is pressed in a popup.
  69 extern "C" int IgnoreCloseBoxCB(FL_FORM *, void *)
  70 {
  71         return FL_IGNORE;
  72 }
  73
  74
  75 // Prevents LyX from crashing when no buffers available
  76 // This is also one of the functions that we _really_ dont want
  77 // we should try to finds way to help us with that.
  78 // The signal/slot mechanism can probably help.
  79 void CloseAllBufferRelatedDialogs()
  80 {
  81         // don't forget to check that dynamically created forms
  82         // have been created otherwise hiding one could cause a crash
  83         // need the visible check otherwise XForms prints a warning
  84         // if hiding an invisible form
  85         if (fd_form_character->form_character->visible) {
  86                 fl_hide_form(fd_form_character->form_character);
  87         }
  88         if (fd_form_preamble->form_preamble->visible) {
  89                 fl_hide_form(fd_form_preamble->form_preamble);
  90         }
  91         if (fd_form_figure->form_figure->visible) {
  92                 fl_hide_form(fd_form_figure->form_figure);
  93         }
  94         if (fd_form_sendto->form_sendto->visible) {
  95                 fl_hide_form(fd_form_sendto->form_sendto);
  96         }
  97         if (fd_latex_log->LaTeXLog->visible) {
  98                 fl_hide_form(fd_latex_log->LaTeXLog);
  99         }
 100         if (fd_form_spell_check) {
 101                 if (fd_form_spell_check->form_spell_check->visible) {
 102                         fl_trigger_object(fd_form_spell_check->done);
 103                 }
 104         }
 105         if (fd_panel) {
 106                 if (fd_panel->panel->visible) {
 107                         fl_hide_form(fd_panel->panel);
 108                 }
 109         }
 110         if (fd_delim) {
 111                 if (fd_delim->delim->visible) {
 112                         fl_hide_form(fd_delim->delim);
 113                 }
 114         }
 115         if (fd_deco) {
 116                 if (fd_deco->deco->visible) {
 117                         fl_hide_form(fd_deco->deco);
 118                 }
 119         }
 120         if (fd_space) {
 121                 if (fd_space->space->visible) {
 122                         fl_hide_form(fd_space->space);
 123                 }
 124         }
 125         if (fd_matrix) {
 126                 if (fd_matrix->matrix->visible) {
 127                         fl_hide_form(fd_matrix->matrix);
 128                 }
 129         }
 130         if (bibitem_form) {
 131                 if (bibitem_form->bibitem_form->visible) {
 132                         fl_hide_form(bibitem_form->bibitem_form);
 133                 }
 134         }
 135         if (form) {
 136                 if (form->include->visible) {
 137                         fl_hide_form(form->include);
 138                 }
 139         }
 140         HideFiguresPopups();
 141 }
 142
 143 // This is another function we really don't want.
 144 // Again the Signal/Slot mechanism is tailor made for this task.
 145 void updateAllVisibleBufferRelatedDialogs()
 146 {
 147         if (fd_form_preamble->form_preamble->visible) {
 148                 UpdateLayoutPreamble();
 149         }
 150         if (fd_latex_log->LaTeXLog->visible) {
 151                 LatexLogUpdate(0,0);
 152         }
 153         if (current_view->buffer()->isReadonly()) {
 154                 // a little crude perhaps but it works. ARRae
 155                 if (fd_form_character->form_character->visible) {
 156                         fl_hide_form(fd_form_character->form_character);
 157                 }
 158 #ifndef ALWAYS_CLOSE_MATH_PANELS
 159                 // The math popups should be closed only if we switch
 160                 // to a readonly buffer
 161                 if (fd_panel) {
 162                         if (fd_panel->panel->visible) {
 163                                 fl_hide_form(fd_panel->panel);
 164                         }
 165                 }
 166                 if (fd_delim) {
 167                         if (fd_delim->delim->visible) {
 168                                 fl_hide_form(fd_delim->delim);
 169                         }
 170                 }
 171                 if (fd_deco) {
 172                         if (fd_deco->deco->visible) {
 173                                 fl_hide_form(fd_deco->deco);
 174                         }
 175                 }
 176                 if (fd_space) {
 177                         if (fd_space->space->visible) {
 178                                 fl_hide_form(fd_space->space);
 179                         }
 180                 }
 181                 if (fd_matrix) {
 182                         if (fd_matrix->matrix->visible) {
 183                                 fl_hide_form(fd_matrix->matrix);
 184                         }
 185                 }
 186 #endif
 187         }
 188
 189         // We have either changed buffers or changed the readonly status
 190         // so the safest thing to do is hide all inset popups that
 191         // are editting insets from the previous buffer or aren't
 192         // allowed in readonly docs.
 193 #ifdef ALWAYS_CLOSE_MATH_PANELS
 194         if (fd_panel) {
 195                 if (fd_panel->panel->visible) {
 196                         fl_hide_form(fd_panel->panel);
 197                 }
 198         }
 199         if (fd_delim) {
 200                 if (fd_delim->delim->visible) {
 201                         fl_hide_form(fd_delim->delim);
 202                 }
 203         }
 204         if (fd_deco) {
 205                 if (fd_deco->deco->visible) {
 206                         fl_hide_form(fd_deco->deco);
 207                 }
 208         }
 209         if (fd_space) {
 210                 if (fd_space->space->visible) {
 211                         fl_hide_form(fd_space->space);
 212                 }
 213         }
 214         if (fd_matrix) {
 215                 if (fd_matrix->matrix->visible) {
 216                         fl_hide_form(fd_matrix->matrix);
 217                 }
 218         }
 219 #endif
 220         if (bibitem_form) {
 221                 if (bibitem_form->bibitem_form->visible) {
 222                         fl_hide_form(bibitem_form->bibitem_form);
 223                 }
 224         }
 225         if (form) {
 226                 if (form->include->visible) {
 227                         fl_hide_form(form->include);
 228                 }
 229         }
 230         HideFiguresPopups();
 231 }
 232
 233 // Extract shortcut from <ident>|<shortcut> string
 234 char const * flyx_shortcut_extract(char const * sc)
 235 {
 236         // Find '|' in the sc and return the string after that.
 237         register char const * sd = sc;
 238         while(sd[0]!= 0 && sd[0] != '|') ++sd;
 239
 240         if (sd[0] == '|') {
 241                 ++sd;
 242                 //lyxerr << sd << endl;
 243                 return sd;
 244         }
 245         return "";
 246 }
 247
 248
 249 // Extract identifier from <ident>|<shortcut> string
 250 char const * flyx_ident_extract(char const * sc)
 251 {
 252         register char const * se = sc;
 253         while(se[0]!= 0 && se[0] != '|') ++se;
 254
 255         if (se[0] == 0) return sc;
 256
 257         char * sb = new char[se - sc + 1];
 258         int index = 0;
 259         register char const * sd = sc;
 260         while (sd != se) {
 261                 sb[index] = sd[0];
 262                 ++index; ++sd;
 263         }
 264         sb[index] = 0;
 265         return sb;
 266 }
 267
 268
 269 void WriteStatus(MiniBuffer * minib, string const & s)
 270 {
 271         if (minib) {
 272                 minib->Set(s);
 273                 minib->Store();
 274         } else
 275                 lyxerr << s << endl;
 276 }
 277
 278
 279 //
 280 void WriteAlert(string const & s1, string const & s2, string const & s3)
 281 {
 282         MiniBuffer * minibuffer = 0;
 283         if (current_view && current_view->owner())
 284                 minibuffer = current_view->owner()->getMiniBuffer();
 285         if (minibuffer) {
 286                 /// Write to minibuffer
 287                 ProhibitInput(current_view);
 288                 minibuffer->Set(s1, s2, s3);
 289                 fl_set_resource("flAlert.dismiss.label", _("Dismiss"));
 290                 fl_show_alert(s1.c_str(), s2.c_str(), s3.c_str(), 0);
 291                 AllowInput(current_view);
 292         } else {
 293                 /// Write to lyxerr
 294                 lyxerr << "----------------------------------------" << endl
 295                        << s1 << endl << s2 << endl << s3 << endl
 296                        << "----------------------------------------" << endl;
 297         }
 298 }
 299
 300
 301 // Alarms user of something related to files
 302 void WriteFSAlert(string const & s1, string const & s2)
 303 {
 304         WriteAlert(s1, s2, strerror(errno));
 305 }
 306
 307
 308 bool AskQuestion(string const & s1, string const & s2, string const & s3)
 309 {
 310         fl_set_resource("flQuestion.yes.label", idex(_("Yes|Yy#y")));
 311         fl_set_resource("flQuestion.no.label", idex(_("No|Nn#n")));
 312         return fl_show_question((s1 + "\n" + s2 + "\n" + s3).c_str(), 0);
 313 }
 314
 315
 316 // Returns 1 for yes, 2 for no, 3 for cancel.
 317 int AskConfirmation(string const & s1, string const & s2, string const & s3)
 318 {
 319         fl_set_choices_shortcut(scex(_("Yes|Yy#y")),
 320                                 scex(_("No|Nn#n")),
 321                                 scex(_("Cancel|^[")));
 322         return fl_show_choice(s1.c_str(), s2.c_str(), s3.c_str(),
 323                               3, idex(_("Yes|Yy#y")),
 324                               idex(_("No|Nn#n")),
 325                               idex(_("Cancel|^[")), 3);
 326 }
 327
 328
 329 // Asks for a text
 330 pair<bool, string> const
 331 askForText(string const & msg, string const & dflt)
 332 {
 333         fl_set_resource("flInput.cancel.label", idex(_("Cancel|^[")));
 334         fl_set_resource("flInput.ok.label", idex(_("OK|#O")));
 335         fl_set_resource("flInput.clear.label", idex(_("Clear|#e")));
 336         char const * tmp = fl_show_input(msg.c_str(), dflt.c_str());
 337         if (tmp != 0)
 338           return make_pair<bool, string>(true, string(tmp));
 339         else
 340           return make_pair<bool, string>(false, string());
 341 }
 342
 343
 344 // Inform the user that the buffer is read-only, and that changes in the
 345 // dialog box that is to appear will be ignored.
 346 void WarnReadonly(string const & file)
 347 {
 348         WriteAlert(_("Any changes will be ignored"),
 349                    _("The document is read-only:"),
 350                    MakeDisplayPath(file));
 351 }
 352
 353 /// Get the dpi setting of the current screen
 354 float getScreenDPI()
 355 {
 356         Screen * scr = DefaultScreenOfDisplay(fl_get_display());
 357         return ((HeightOfScreen(scr) * 25.4 / HeightMMOfScreen(scr)) +
 358                 (WidthOfScreen(scr) * 25.4 / WidthMMOfScreen(scr))) / 2;
 359 }