src/frontends/xforms/FormRef.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 2000 The LyX Team.
   8  *
   9  * ======================================================
  10  */
  11
  12 #include <config.h>
  13
  14 #include FORMS_H_LOCATION
  15
  16 #ifdef __GNUG__
  17 #pragma implementation
  18 #endif
  19
  20
  21 #include "Dialogs.h"
  22 #include "FormRef.h"
  23 #include "LyXView.h"
  24 #include "buffer.h"
  25 #include "form_ref.h"
  26 #include "lyxfunc.h"
  27
  28 #include <algorithm>
  29
  30 using std::find;
  31 using std::max;
  32 using std::sort;
  33 using std::vector;
  34
  35 FormRef::FormRef(LyXView * lv, Dialogs * d)
  36         : FormCommand(lv, d, _("Reference"), new NoRepeatedApplyPolicy),
  37           toggle(GOBACK), dialog_(0)
  38 {
  39         // let the dialog be shown
  40         // These are permanent connections so we won't bother
  41         // storing a copy because we won't be disconnecting.
  42         d->showRef.connect(slot(this, &FormRef::showInset));
  43         d->createRef.connect(slot(this, &FormRef::createInset));
  44 }
  45
  46
  47 FormRef::~FormRef()
  48 {
  49         delete dialog_;
  50 }
  51
  52
  53 FL_FORM * FormRef::form() const
  54 {
  55         if (dialog_) return dialog_->form;
  56         return 0;
  57 }
  58
  59
  60 void FormRef::disconnect()
  61 {
  62         refs.clear();
  63         FormCommand::disconnect();
  64 }
  65
  66
  67 void FormRef::build()
  68 {
  69         dialog_ = build_ref();
  70
  71         fl_addto_choice(dialog_->type,
  72                         _(" Ref | Page | TextRef | TextPage | PrettyRef "));
  73
  74         // Workaround dumb xforms sizing bug
  75         minw_ = form()->w;
  76         minh_ = form()->h;
  77
  78         // Force the user to use the browser to change refs.
  79         fl_deactivate_object(dialog_->ref);
  80
  81         // Manage the ok and cancel/close buttons
  82         bc_.setOK(dialog_->button_ok);
  83         bc_.setApply(dialog_->button_apply);
  84         bc_.setCancel(dialog_->button_cancel);
  85         bc_.setUndoAll(dialog_->button_restore);
  86         bc_.refresh();
  87
  88         bc_.addReadOnly(dialog_->type);
  89         bc_.addReadOnly(dialog_->name);
  90 }
  91
  92
  93 void FormRef::update()
  94 {
  95         fl_set_input(dialog_->ref,  params.getContents().c_str());
  96         fl_set_input(dialog_->name, params.getOptions().c_str());
  97
  98         Type type = getType();
  99         fl_set_choice(dialog_->type, type+1);
 100
 101         toggle = GOBACK;
 102         fl_set_object_label(dialog_->button_go, _("Goto reference"));
 103
 104         // Name is irrelevant to LaTeX documents
 105         if (lv_->buffer()->isLatex()) {
 106                 fl_deactivate_object(dialog_->name);
 107                 fl_set_object_lcol(dialog_->name, FL_INACTIVE);
 108         }
 109
 110         refs = lv_->buffer()->getLabelList();
 111         updateBrowser(refs);
 112
 113         if (inset_ == 0) {
 114         } else {
 115         }
 116
 117         bc_.readOnly(lv_->buffer()->isReadonly());
 118 }
 119
 120
 121 void FormRef::updateBrowser(vector<string> const & akeys) const
 122 {
 123         vector<string> keys(akeys);
 124         if (fl_get_button( dialog_->sort))
 125                 sort(keys.begin(), keys.end());
 126
 127         fl_clear_browser(dialog_->browser);
 128         for (vector<string>::const_iterator it = keys.begin();
 129              it != keys.end(); ++it)
 130                 fl_add_browser_line(dialog_->browser, (*it).c_str());
 131
 132         if (keys.empty()) {
 133                 fl_add_browser_line(dialog_->browser,
 134                                     _("*** No labels found in document ***"));
 135
 136                 fl_deactivate_object(dialog_->browser);
 137                 fl_deactivate_object(dialog_->button_update);
 138                 fl_deactivate_object(dialog_->sort);
 139                 fl_set_object_lcol(dialog_->browser, FL_INACTIVE);
 140                 fl_set_object_lcol(dialog_->button_update, FL_INACTIVE);
 141                 fl_set_object_lcol(dialog_->sort, FL_INACTIVE);
 142         } else {
 143                 fl_set_browser_topline(dialog_->browser, 1);
 144                 fl_activate_object(dialog_->browser);
 145                 fl_set_object_lcol(dialog_->browser, FL_BLACK);
 146                 fl_activate_object(dialog_->button_update);
 147                 fl_set_object_lcol(dialog_->button_update, FL_BLACK);
 148                 fl_activate_object(dialog_->sort);
 149                 fl_set_object_lcol(dialog_->sort, FL_BLACK);
 150
 151                 string ref = fl_get_input(dialog_->ref);
 152                 vector<string>::const_iterator cit =
 153                         find(refs.begin(), refs.end(), ref);
 154
 155                 if (cit != refs.end()) {
 156                         int const i = static_cast<int>(cit - refs.begin());
 157                         fl_set_browser_topline(dialog_->browser, max(i-5, 1));
 158                         fl_select_browser_line(dialog_->browser, i+1);
 159                 }
 160         }
 161 }
 162
 163
 164 void FormRef::apply()
 165 {
 166         if (!lv_->view()->available())
 167                 return;
 168
 169         Type const type = static_cast<Type>(fl_get_choice(dialog_->type) - 1);
 170         params.setCmdName(getName(type));
 171
 172         params.setOptions(fl_get_input(dialog_->name));
 173         params.setContents(fl_get_input(dialog_->ref));
 174
 175         if (inset_ != 0) {
 176                 // Only update if contents have changed
 177                 if (params != inset_->params()) {
 178                         inset_->setParams(params);
 179                         lv_->view()->updateInset(inset_, true);
 180                 }
 181         } else {
 182                 lv_->getLyXFunc()->Dispatch(LFUN_REF_INSERT,
 183                                             params.getAsString());
 184         }
 185 }
 186
 187
 188 bool FormRef::input(FL_OBJECT *, long data)
 189 {
 190         bool activate(true);
 191         switch (data) {
 192         // goto reference / go back
 193         case 1:
 194         {
 195                 // No change to data
 196                 activate = false;
 197
 198                 toggle = static_cast<Goto>(toggle + 1);
 199                 if (toggle == GOFIRST ) toggle = GOREF;
 200
 201                 switch (toggle) {
 202                 case GOREF:
 203                 {
 204                         lv_->getLyXFunc()->
 205                                 Dispatch(LFUN_REF_GOTO,
 206                                          params.getContents());
 207                         fl_set_object_label(dialog_->button_go, _("Go back"));
 208                 }
 209                 break;
 210
 211                 case GOBACK:
 212                 {
 213                         lv_->getLyXFunc()->Dispatch(LFUN_REF_BACK);
 214                         fl_set_object_label(dialog_->button_go,
 215                                             _("Goto reference"));
 216                 }
 217                 break;
 218
 219                 default:
 220                         break;
 221                 }
 222         }
 223         break;
 224
 225         // choose browser key
 226         case 2:
 227         {
 228                 unsigned int sel = fl_get_browser(dialog_->browser);
 229                 if (sel < 1 || sel > refs.size()) break;
 230
 231                 if (!lv_->buffer()->isReadonly()) {
 232                         string s = fl_get_browser_line(dialog_->browser, sel);
 233                         fl_set_input(dialog_->ref, s.c_str());
 234                 }
 235
 236                 toggle = GOBACK;
 237                 lv_->getLyXFunc()->Dispatch(LFUN_REF_BACK);
 238                 fl_set_object_label(dialog_->button_go, _("Goto reference"));
 239
 240                 fl_activate_object(dialog_->type);
 241                 fl_set_object_lcol(dialog_->type, FL_BLACK);
 242                 fl_activate_object(dialog_->button_go);
 243                 fl_set_object_lcol(dialog_->button_go, FL_BLACK);
 244                 fl_set_object_lcol(dialog_->ref, FL_BLACK);
 245         }
 246         break;
 247
 248         // update or sort
 249         case 3:
 250         {
 251                 fl_freeze_form(form());
 252                 updateBrowser(refs);
 253                 fl_unfreeze_form(form());
 254         }
 255         break;
 256
 257         // changed reference type
 258         case 4:
 259         {
 260                 Type type = static_cast<Type>(
 261                         fl_get_choice(dialog_->type) - 1);
 262                 if (params.getCmdName() == getName(type)
 263                     && inset_) {
 264                         activate = false;
 265                 }
 266         }
 267         break;
 268
 269         default:
 270                 break;
 271         }
 272
 273         return activate;
 274 }
 275
 276
 277 FormRef::Type FormRef::getType() const
 278 {
 279         Type type;
 280
 281         if (params.getCmdName() == "ref" )
 282                 type = REF;
 283
 284         else if (params.getCmdName() == "pageref" )
 285                 type = PAGEREF;
 286
 287         else if (params.getCmdName() == "vref" )
 288                 type = VREF;
 289
 290         else if (params.getCmdName() == "vpageref" )
 291                 type = VPAGEREF;
 292
 293         else
 294                 type = PRETTYREF;
 295
 296         return type;
 297 }
 298
 299
 300 string const FormRef::getName(Type type) const
 301 {
 302         string name;
 303
 304         switch (type) {
 305         case REF:
 306                 name = "ref";
 307                 break;
 308         case PAGEREF:
 309                 name = "pageref";
 310                 break;
 311         case VREF:
 312                 name = "vref";
 313                 break;
 314         case VPAGEREF:
 315                 name = "vpageref";
 316                 break;
 317         case PRETTYREF:
 318                 name = "prettyref";
 319                 break;
 320         }
 321
 322         return name;
 323 }