src/intl.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-1999 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
  32 extern LyXRC * lyxrc;
  33
  34 // a wrapper around the callback static member.
  35 extern "C" void C_Intl_DispatchCallback(FL_OBJECT * ob, long code);
  36
  37
  38 Intl::Intl()
  39         : prim_lang(lyxrc->primary_kbmap),
  40         sec_lang(lyxrc->secondary_kbmap),
  41         trans(new TransManager)
  42 {
  43         keymapon = lyxrc->use_kbmap;
  44         chsetcode = 0;
  45         primarykeymap = false;
  46         curkeymap = 0;
  47         otherkeymap = 0;
  48 }
  49
  50
  51 int Intl::SetPrimary(string const & lang)
  52 {
  53         if (lyxerr.debugging(Debug::KBMAP))
  54                 lyxerr << "Primary: `" << lang << "'" << endl;
  55         return trans->SetPrimary(lang);
  56 }
  57
  58
  59 int Intl::SetSecondary(string const & lang)
  60 {
  61         if (lyxerr.debugging(Debug::KBMAP))
  62                 lyxerr << "Secondary: `" << lang << "'" << endl;
  63         return trans->SetSecondary(lang);
  64 }
  65
  66
  67 void Intl::update()
  68 {
  69         int off = 0;
  70         int prim = 0;
  71         int sec = 0;
  72
  73         if (!keymapon) {
  74                 off = 1;
  75         } else {
  76                 if (primarykeymap) {
  77                         prim = 1;
  78                 } else {
  79                         sec = 1;
  80                 }
  81         }
  82
  83         fl_set_button(fd_form_keymap->KeyOffBtn, off);
  84         fl_set_button(fd_form_keymap->KeyOnBtn, prim);
  85         fl_set_button(fd_form_keymap->KeyOnBtn2, sec);
  86 }
  87
  88
  89 void Intl::KeyMapOn(bool on)
  90         /* turn on/off key mappings, status in keymapon */
  91 {
  92         keymapon = on;
  93
  94         if (!fd_form_keymap) return;
  95
  96         fl_set_button(fd_form_keymap->KeyOffBtn, 0);
  97         fl_set_button(fd_form_keymap->KeyOnBtn, 0);
  98         fl_set_button(fd_form_keymap->KeyOnBtn2, 0);
  99
 100         if (on) {
 101                 if (primarykeymap) {
 102                         KeyMapPrim();
 103                 } else {
 104                         KeyMapSec();
 105                 }
 106         } else {
 107                 fl_set_button(fd_form_keymap->KeyOffBtn, 1);
 108                 fl_hide_object(fd_form_keymap->KeymapErr);
 109                 trans->DisableKeymap();
 110         }
 111 }
 112
 113
 114 void Intl::ToggleKeyMap()
 115 {
 116         if (keymapon && primarykeymap) {
 117                 KeyMapSec();
 118         } else if (keymapon) {
 119                 KeyMapOn(false);
 120         } else
 121                 KeyMapPrim();
 122 }
 123
 124
 125 void Intl::KeyMapPrim()
 126 {
 127         fl_set_button(fd_form_keymap->KeyOffBtn, 0);
 128         fl_set_button(fd_form_keymap->KeyOnBtn, 1);
 129         fl_set_button(fd_form_keymap->KeyOnBtn2, 0);
 130
 131         /* read text from choice */
 132         int i = Language->get();
 133
 134         if (lyxerr.debugging(Debug::KBMAP))
 135                 lyxerr << "Table: " << tex_babel[i-1] << endl;
 136
 137         string p;
 138         if (i == otherkeymap)
 139                 p = fl_get_input(fd_form_keymap->OtherKeymap);
 140         else
 141                 p = Language->getline();
 142
 143         curkeymap = i;
 144
 145         if (p.empty() || trans->SetPrimary(p)) {
 146                 // error selecting keymap
 147                 fl_show_object(fd_form_keymap->KeymapErr);
 148                 update();
 149         } else {
 150                 // no error
 151                 trans->EnablePrimary();
 152                 keymapon = true;
 153                 primarykeymap = true;
 154                 fl_hide_object(fd_form_keymap->KeymapErr);
 155         }
 156 }
 157
 158
 159 void Intl::KeyMapSec()
 160 {
 161         fl_set_button(fd_form_keymap->KeyOffBtn, 0);
 162         fl_set_button(fd_form_keymap->KeyOnBtn, 0);
 163         fl_set_button(fd_form_keymap->KeyOnBtn2, 1);
 164
 165         /* read text from choice */
 166         int i = Language2->get();
 167
 168         if (lyxerr.debugging(Debug::KBMAP))
 169                 lyxerr << "Table: " << tex_babel[i-1] << endl;
 170
 171         string p;
 172         if (i == otherkeymap)
 173                 p = fl_get_input(fd_form_keymap->OtherKeymap2);
 174         else
 175                 p = Language2->getline();
 176         curkeymap = i;
 177
 178         if (p.empty() || trans->SetSecondary(p)) {
 179                 // error selecting keymap
 180                 fl_show_object(fd_form_keymap->KeymapErr);
 181                 update();
 182         } else {
 183                 // no error
 184                 trans->EnableSecondary();
 185                 keymapon = true;
 186                 primarykeymap = false;
 187                 fl_hide_object(fd_form_keymap->KeymapErr);
 188         }
 189 }
 190
 191
 192 void Intl::LCombo(int, void * v)
 193 {
 194         Intl * itl = static_cast<Intl*>(v);
 195         itl->Keymap(23);
 196         return;
 197 }
 198
 199
 200 void Intl::LCombo2(int, void * v)
 201 {
 202         Intl * itl = static_cast<Intl*>(v);
 203         itl->Keymap(43);
 204         return;
 205 }
 206
 207
 208 void Intl::DispatchCallback(FL_OBJECT * ob, long code)
 209 {
 210         if (ob && (code == 0)) {
 211                 fl_hide_form(ob->form);
 212                 return;
 213         }
 214         if (!ob || !(ob->u_vdata))
 215                 return;
 216
 217         Intl * itl = static_cast<Intl *>(ob->u_vdata);
 218
 219         if (itl!= 0) itl->Keymap(code);
 220 }
 221
 222
 223 extern "C" void C_Intl_DispatchCallback(FL_OBJECT * ob, long code)
 224 {
 225         Intl::DispatchCallback(ob, code);
 226 }
 227
 228
 229 void Intl::InitKeyMapper(bool on)
 230         /* initialize key mapper */
 231 {
 232         lyxerr[Debug::INIT] << "Initializing key mappings..." << endl;
 233
 234         if (prim_lang.empty() && sec_lang.empty())
 235                 keymapon = false;
 236         else
 237                 keymapon = on;
 238
 239         Language = new Combox(FL_COMBOX_DROPLIST);
 240         Language2 = new Combox(FL_COMBOX_DROPLIST);
 241         Language->setcallback(LCombo, this);
 242         Language2->setcallback(LCombo2, this);
 243
 244         fd_form_keymap = create_form_KeyMap();
 245
 246         // Add the Intl* pointer
 247         fd_form_keymap->AcceptChset->u_vdata =
 248                 fd_form_keymap->Charset->u_vdata =
 249                 fd_form_keymap->Accept->u_vdata =
 250                 fd_form_keymap->OtherKeymap->u_vdata =
 251                 fd_form_keymap->KeyOnBtn->u_vdata =
 252                 fd_form_keymap->KeyOffBtn->u_vdata =
 253                 fd_form_keymap->KeyOnBtn2->u_vdata = this;
 254
 255         // add the callbacks.
 256         fl_set_object_callback(fd_form_keymap->AcceptChset,
 257                                C_Intl_DispatchCallback, 27);
 258         fl_set_object_callback(fd_form_keymap->Charset,
 259                                C_Intl_DispatchCallback, 26);
 260         fl_set_object_callback(fd_form_keymap->Accept,
 261                                C_Intl_DispatchCallback, 0);
 262
 263         fl_set_object_callback(fd_form_keymap->KeyOnBtn,
 264                                C_Intl_DispatchCallback, 23);
 265         fl_set_object_callback(fd_form_keymap->KeyOffBtn,
 266                                C_Intl_DispatchCallback, 3);
 267         fl_set_object_callback(fd_form_keymap->KeyOnBtn2,
 268                                C_Intl_DispatchCallback, 43);
 269
 270         // Make sure pressing the close box does not kill LyX. (RvdK)
 271         fl_set_form_atclose(fd_form_keymap->KeyMap, CancelCloseBoxCB, 0);
 272
 273         fl_hide_object(fd_form_keymap->KeymapErr);
 274         fl_hide_object(fd_form_keymap->ChsetErr);
 275         fl_set_input(fd_form_keymap->Charset, lyxrc->font_norm.c_str());
 276
 277         // Adds two comboxes to the keyboard map
 278         fl_addto_form(fd_form_keymap->KeyMap);
 279         Language->add(120, 30, 160, 30, 300);   // Primary
 280         Language2->add(120, 110, 160, 30, 300); // Secondary
 281         fl_end_form();
 282
 283         int n = 0;
 284
 285         while (true)
 286                 if (!strlen(tex_babel[n]))
 287                         break;
 288                 else {
 289                         Language->addto(tex_babel[n]);
 290                         Language2->addto(tex_babel[n]);
 291                         ++n;
 292                 }
 293
 294         Language->addto(_("other..."));
 295         Language2->addto(_("other..."));
 296         otherkeymap = n + 1;
 297         if (!Language->select_text(prim_lang.c_str())) {
 298                 Language->select(n+1);
 299                 fl_set_input(fd_form_keymap->OtherKeymap, prim_lang.c_str());
 300         }
 301         else
 302                 trans->SetPrimary(prim_lang);
 303
 304         if (!Language2->select_text(sec_lang.c_str())) {
 305                 Language2->select(n + 1);
 306                 fl_set_input(fd_form_keymap->OtherKeymap2, sec_lang.c_str());
 307         }
 308         else
 309                 trans->SetSecondary(sec_lang);
 310
 311         KeyMapOn(keymapon);
 312         if (keymapon)
 313                 Keymap(23); // turn primary on
 314
 315         trans->setCharset(lyxrc->font_norm.c_str());
 316 }
 317
 318
 319 void Intl::Keymap(long code)
 320 {
 321         if (lyxerr.debugging(Debug::KBMAP))
 322                 lyxerr << "KeyMap callback: " << code << endl;
 323
 324         // Did you wonder if it is possible to write spagetti code with
 325         // other constructs thatn goto's? Well here we have a nice small
 326         // spagetti example using a switch... (Lgb)
 327         switch (code) {
 328         case 0:
 329                 /* cancel/hide */
 330                 fl_hide_form(fd_form_keymap->KeyMap);
 331                 break;
 332         case 3:
 333         case 23:
 334         case 43:
 335                 if (code == 3) {
 336                         KeyMapOn(false);
 337                         return;
 338                 }
 339                 code -= 19;     // change to language change type code
 340
 341         case 4: // 4 and 24 will never be called directly, they will only be
 342         case 24: // called through 3, 23, 43 (lgb)
 343                 if (code == 4) {
 344                         KeyMapPrim();
 345                 } else {
 346                         KeyMapSec();
 347                 }
 348                 break;
 349         case 27:        /* set new font norm */
 350                 char const * p = fl_get_input(fd_form_keymap->Charset);
 351                 if (trans->setCharset(p))
 352                         fl_show_object(fd_form_keymap->ChsetErr);
 353                 else
 354                         fl_hide_object(fd_form_keymap->ChsetErr);
 355                 break;
 356         }
 357 }
 358
 359
 360 void Intl::MenuKeymap()
 361 {
 362         if (fd_form_keymap->KeyMap->visible) {
 363                 fl_raise_form(fd_form_keymap->KeyMap);
 364         } else fl_show_form(fd_form_keymap->KeyMap, FL_PLACE_MOUSE,
 365                             FL_FULLBORDER, _("Key Mappings"));
 366 }