src/intl.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2000 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 /*
  12  *      International support for LyX
  13  */
  14
  15 #include <config.h>
  16
  17 #ifdef __GNUG__
  18 #pragma implementation
  19 #endif
  20
  21 #include FORMS_H_LOCATION
  22 #include "intl.h"
  23 #include "form1.h"
  24 #include "tex-strings.h"
  25 #include "combox.h"
  26 #include "lyx_gui_misc.h" // CancelCloseBoxCB
  27 #include "debug.h"
  28 #include "lyxrc.h"
  29 #include "trans_mgr.h"
  30 #include "support/lstrings.h"
  31 #include "language.h"
  32
  33 using std::endl;
  34
  35 // a wrapper around the callback static member.
  36 extern "C" void C_Intl_DispatchCallback(FL_OBJECT * ob, long code);
  37
  38
  39 Intl::Intl()
  40         : prim_lang(lyxrc.primary_kbmap),
  41         sec_lang(lyxrc.secondary_kbmap),
  42         trans(new TransManager)
  43 {
  44         keymapon = lyxrc.use_kbmap;
  45         chsetcode = 0;
  46         primarykeymap = false;
  47         curkeymap = 0;
  48         otherkeymap = 0;
  49 }
  50
  51
  52 int Intl::SetPrimary(string const & lang)
  53 {
  54         if (lyxerr.debugging(Debug::KBMAP))
  55                 lyxerr << "Primary: `" << lang << "'" << endl;
  56         return trans->SetPrimary(lang);
  57 }
  58
  59
  60 int Intl::SetSecondary(string const & lang)
  61 {
  62         if (lyxerr.debugging(Debug::KBMAP))
  63                 lyxerr << "Secondary: `" << lang << "'" << endl;
  64         return trans->SetSecondary(lang);
  65 }
  66
  67
  68 void Intl::update()
  69 {
  70         int off = 0;
  71         int prim = 0;
  72         int sec = 0;
  73
  74         if (!keymapon) {
  75                 off = 1;
  76         } else {
  77                 if (primarykeymap) {
  78                         prim = 1;
  79                 } else {
  80                         sec = 1;
  81                 }
  82         }
  83
  84         fl_set_button(fd_form_keymap->KeyOffBtn, off);
  85         fl_set_button(fd_form_keymap->KeyOnBtn, prim);
  86         fl_set_button(fd_form_keymap->KeyOnBtn2, sec);
  87 }
  88
  89
  90 void Intl::KeyMapOn(bool on)
  91         /* turn on/off key mappings, status in keymapon */
  92 {
  93         keymapon = on;
  94
  95         if (!fd_form_keymap) return;
  96
  97         fl_set_button(fd_form_keymap->KeyOffBtn, 0);
  98         fl_set_button(fd_form_keymap->KeyOnBtn, 0);
  99         fl_set_button(fd_form_keymap->KeyOnBtn2, 0);
 100
 101         if (on) {
 102                 if (primarykeymap) {
 103                         KeyMapPrim();
 104                 } else {
 105                         KeyMapSec();
 106                 }
 107         } else {
 108                 fl_set_button(fd_form_keymap->KeyOffBtn, 1);
 109                 fl_hide_object(fd_form_keymap->KeymapErr);
 110                 trans->DisableKeymap();
 111         }
 112 }
 113
 114
 115 void Intl::ToggleKeyMap()
 116 {
 117         if (keymapon && primarykeymap) {
 118                 KeyMapSec();
 119         } else if (keymapon) {
 120                 KeyMapOn(false);
 121         } else
 122                 KeyMapPrim();
 123 }
 124
 125
 126 void Intl::KeyMapPrim()
 127 {
 128         fl_set_button(fd_form_keymap->KeyOffBtn, 0);
 129         fl_set_button(fd_form_keymap->KeyOnBtn, 1);
 130         fl_set_button(fd_form_keymap->KeyOnBtn2, 0);
 131
 132         /* read text from choice */
 133         int i = Language->get();
 134
 135         string p;
 136         if (i == otherkeymap)
 137                 p = fl_get_input(fd_form_keymap->OtherKeymap);
 138         else
 139                 p = Language->getline();
 140
 141         curkeymap = i;
 142
 143         if (p.empty() || trans->SetPrimary(p)) {
 144                 // error selecting keymap
 145                 fl_show_object(fd_form_keymap->KeymapErr);
 146                 update();
 147         } else {
 148                 // no error
 149                 trans->EnablePrimary();
 150                 keymapon = true;
 151                 primarykeymap = true;
 152                 fl_hide_object(fd_form_keymap->KeymapErr);
 153         }
 154 }
 155
 156
 157 void Intl::KeyMapSec()
 158 {
 159         fl_set_button(fd_form_keymap->KeyOffBtn, 0);
 160         fl_set_button(fd_form_keymap->KeyOnBtn, 0);
 161         fl_set_button(fd_form_keymap->KeyOnBtn2, 1);
 162
 163         /* read text from choice */
 164         int i = Language2->get();
 165
 166         string p;
 167         if (i == otherkeymap)
 168                 p = fl_get_input(fd_form_keymap->OtherKeymap2);
 169         else
 170                 p = Language2->getline();
 171         curkeymap = i;
 172
 173         if (p.empty() || trans->SetSecondary(p)) {
 174                 // error selecting keymap
 175                 fl_show_object(fd_form_keymap->KeymapErr);
 176                 update();
 177         } else {
 178                 // no error
 179                 trans->EnableSecondary();
 180                 keymapon = true;
 181                 primarykeymap = false;
 182                 fl_hide_object(fd_form_keymap->KeymapErr);
 183         }
 184 }
 185
 186
 187 void Intl::LCombo(int, void * v)
 188 {
 189         Intl * itl = static_cast<Intl*>(v);
 190         itl->Keymap(23);
 191         return;
 192 }
 193
 194
 195 void Intl::LCombo2(int, void * v)
 196 {
 197         Intl * itl = static_cast<Intl*>(v);
 198         itl->Keymap(43);
 199         return;
 200 }
 201
 202
 203 void Intl::DispatchCallback(FL_OBJECT * ob, long code)
 204 {
 205         if (ob && (code == 0)) {
 206                 fl_hide_form(ob->form);
 207                 return;
 208         }
 209         if (!ob || !(ob->u_vdata))
 210                 return;
 211
 212         Intl * itl = static_cast<Intl *>(ob->u_vdata);
 213
 214         if (itl!= 0) itl->Keymap(code);
 215 }
 216
 217
 218 extern "C" void C_Intl_DispatchCallback(FL_OBJECT * ob, long code)
 219 {
 220         Intl::DispatchCallback(ob, code);
 221 }
 222
 223
 224 void Intl::InitKeyMapper(bool on)
 225         /* initialize key mapper */
 226 {
 227         lyxerr[Debug::INIT] << "Initializing key mappings..." << endl;
 228
 229         if (prim_lang.empty() && sec_lang.empty())
 230                 keymapon = false;
 231         else
 232                 keymapon = on;
 233
 234         Language = new Combox(FL_COMBOX_DROPLIST);
 235         Language2 = new Combox(FL_COMBOX_DROPLIST);
 236         Language->setcallback(LCombo, this);
 237         Language2->setcallback(LCombo2, this);
 238
 239         fd_form_keymap = create_form_KeyMap();
 240
 241         // Add the Intl* pointer
 242         fd_form_keymap->AcceptChset->u_vdata =
 243                 fd_form_keymap->Charset->u_vdata =
 244                 fd_form_keymap->Accept->u_vdata =
 245                 fd_form_keymap->OtherKeymap->u_vdata =
 246                 fd_form_keymap->KeyOnBtn->u_vdata =
 247                 fd_form_keymap->KeyOffBtn->u_vdata =
 248                 fd_form_keymap->KeyOnBtn2->u_vdata = this;
 249
 250         // add the callbacks.
 251         fl_set_object_callback(fd_form_keymap->AcceptChset,
 252                                C_Intl_DispatchCallback, 27);
 253         fl_set_object_callback(fd_form_keymap->Charset,
 254                                C_Intl_DispatchCallback, 26);
 255         fl_set_object_callback(fd_form_keymap->Accept,
 256                                C_Intl_DispatchCallback, 0);
 257
 258         fl_set_object_callback(fd_form_keymap->KeyOnBtn,
 259                                C_Intl_DispatchCallback, 23);
 260         fl_set_object_callback(fd_form_keymap->KeyOffBtn,
 261                                C_Intl_DispatchCallback, 3);
 262         fl_set_object_callback(fd_form_keymap->KeyOnBtn2,
 263                                C_Intl_DispatchCallback, 43);
 264
 265         // Make sure pressing the close box does not kill LyX. (RvdK)
 266         fl_set_form_atclose(fd_form_keymap->KeyMap, CancelCloseBoxCB, 0);
 267
 268         fl_hide_object(fd_form_keymap->KeymapErr);
 269         fl_hide_object(fd_form_keymap->ChsetErr);
 270         fl_set_input(fd_form_keymap->Charset, lyxrc.font_norm.c_str());
 271
 272         // Adds two comboxes to the keyboard map
 273         fl_addto_form(fd_form_keymap->KeyMap);
 274         Language->add(120, 30, 160, 30, 300);   // Primary
 275         Language2->add(120, 110, 160, 30, 300); // Secondary
 276         fl_end_form();
 277
 278         int n = 1;
 279         // Default is not in the language map
 280         Language->addto("default");
 281         Language2->addto("default");
 282         for (Languages::const_iterator cit = languages.begin();
 283              cit != languages.end(); ++cit) {
 284                 Language->addto((*cit).second.lang().c_str());
 285                 Language2->addto((*cit).second.lang().c_str());
 286                 ++n;
 287         }
 288
 289         Language->addto(_("other..."));
 290         Language2->addto(_("other..."));
 291         otherkeymap = n + 1;
 292         if (!Language->select_text(prim_lang.c_str())) {
 293                 Language->select(n+1);
 294                 fl_set_input(fd_form_keymap->OtherKeymap, prim_lang.c_str());
 295         }
 296         else
 297                 trans->SetPrimary(prim_lang);
 298
 299         if (!Language2->select_text(sec_lang.c_str())) {
 300                 Language2->select(n + 1);
 301                 fl_set_input(fd_form_keymap->OtherKeymap2, sec_lang.c_str());
 302         }
 303         else
 304                 trans->SetSecondary(sec_lang);
 305
 306         KeyMapOn(keymapon);
 307         if (keymapon)
 308                 Keymap(23); // turn primary on
 309
 310         trans->setCharset(lyxrc.font_norm.c_str());
 311 }
 312
 313
 314 void Intl::Keymap(long code)
 315 {
 316         if (lyxerr.debugging(Debug::KBMAP))
 317                 lyxerr << "KeyMap callback: " << code << endl;
 318
 319         // Did you wonder if it is possible to write spagetti code with
 320         // other constructs thatn goto's? Well here we have a nice small
 321         // spagetti example using a switch... (Lgb)
 322         switch (code) {
 323         case 0:
 324                 /* cancel/hide */
 325                 fl_hide_form(fd_form_keymap->KeyMap);
 326                 break;
 327         case 3:
 328         case 23:
 329         case 43:
 330                 if (code == 3) {
 331                         KeyMapOn(false);
 332                         return;
 333                 }
 334                 code -= 19;     // change to language change type code
 335
 336         case 4: // 4 and 24 will never be called directly, they will only be
 337         case 24: // called through 3, 23, 43 (lgb)
 338                 if (code == 4) {
 339                         KeyMapPrim();
 340                 } else {
 341                         KeyMapSec();
 342                 }
 343                 break;
 344         case 27:        /* set new font norm */
 345                 char const * p = fl_get_input(fd_form_keymap->Charset);
 346                 if (trans->setCharset(p))
 347                         fl_show_object(fd_form_keymap->ChsetErr);
 348                 else
 349                         fl_hide_object(fd_form_keymap->ChsetErr);
 350                 break;
 351         }
 352 }
 353
 354
 355 void Intl::MenuKeymap()
 356 {
 357         if (fd_form_keymap->KeyMap->visible) {
 358                 fl_raise_form(fd_form_keymap->KeyMap);
 359         } else fl_show_form(fd_form_keymap->KeyMap, FL_PLACE_MOUSE,
 360                             FL_FULLBORDER, _("Key Mappings"));
 361 }