src/insets/insetert.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1998 The LyX Team.
   7  *
   8  *======================================================*/
   9
  10 #include <config.h>
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #endif
  15
  16 #include "insetert.h"
  17 #include "gettext.h"
  18 #include "lyxfont.h"
  19 #include "buffer.h"
  20 #include "insets/insettext.h"
  21 #include "support/LOstream.h"
  22 #include "lyx_gui_misc.h"
  23 #include "BufferView.h"
  24 #include "LyXView.h"
  25 #include "lyxtext.h"
  26
  27 using std::ostream;
  28
  29 void InsetERT::init()
  30 {
  31         setButtonLabel();
  32         labelfont = LyXFont(LyXFont::ALL_SANE);
  33         labelfont.decSize();
  34         labelfont.decSize();
  35         labelfont.setColor(LColor::latex);
  36         setInsetName("ERT");
  37 }
  38
  39
  40 InsetERT::InsetERT() : InsetCollapsable()
  41 {
  42         init();
  43 }
  44
  45
  46 InsetERT::InsetERT(InsetERT const & in, bool same_id)
  47         : InsetCollapsable(in, same_id)
  48 {
  49         init();
  50 }
  51
  52
  53 Inset * InsetERT::clone(Buffer const &, bool same_id) const
  54 {
  55         return new InsetERT(*const_cast<InsetERT *>(this), same_id);
  56 }
  57
  58
  59 InsetERT::InsetERT(string const & contents, bool collapsed)
  60         : InsetCollapsable(collapsed)
  61 {
  62         LyXFont font(LyXFont::ALL_INHERIT);
  63         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
  64         font.setColor(LColor::latex);
  65         string::const_iterator cit = contents.begin();
  66         string::const_iterator end = contents.end();
  67         Paragraph::size_type pos = 0;
  68         for (; cit != end; ++cit) {
  69                 inset.paragraph()->insertChar(pos++, *cit, font);
  70         }
  71         // the init has to be after the initialization of the paragraph
  72         // because of the label settings (draw_label for ert insets).
  73         init();
  74 }
  75
  76
  77 void InsetERT::read(Buffer const * buf, LyXLex & lex)
  78 {
  79         InsetCollapsable::read(buf, lex);
  80
  81         setButtonLabel();
  82 }
  83
  84
  85 void InsetERT::write(Buffer const * buf, ostream & os) const
  86 {
  87         os << getInsetName() << "\n";
  88         InsetCollapsable::write(buf, os);
  89 }
  90
  91
  92 string const InsetERT::editMessage() const
  93 {
  94         return _("Opened ERT Inset");
  95 }
  96
  97
  98 bool InsetERT::insertInset(BufferView *, Inset *)
  99 {
 100         return false;
 101 }
 102
 103
 104 void InsetERT::setFont(BufferView *, LyXFont const &, bool, bool selectall)
 105 {
 106         // if selectall is activated then the fontchange was an outside general
 107         // fontchange and this messages is not needed
 108         if (!selectall)
 109                 WriteAlert(_("Impossible Operation!"),
 110                            _("Not permitted to change font-types inside ERT-insets!"),
 111                            _("Sorry."));
 112 }
 113
 114
 115 void InsetERT::edit(BufferView * bv, int x, int y, unsigned int button)
 116 {
 117         InsetCollapsable::edit(bv, x, y, button);
 118         set_latex_font(bv);
 119 }
 120
 121
 122 void InsetERT::edit(BufferView * bv, bool front)
 123 {
 124         InsetCollapsable::edit(bv, front);
 125         set_latex_font(bv);
 126 }
 127
 128
 129 void InsetERT::insetButtonRelease(BufferView * bv,
 130                                   int x, int y, int button)
 131 {
 132         if ((x >= 0)  && (x < button_length) &&
 133             (y >= button_top_y) &&  (y <= button_bottom_y))
 134         {
 135                 if (button == 2) {
 136                         inlined(bv, !inlined());
 137                         return;
 138                 }
 139                 if (collapsed_) {
 140                         setLabel(_("ERT"));
 141                 } else {
 142                         setLabel(get_new_label());
 143                 }
 144                 if (collapsed_) {
 145                         collapsed_ = false;
 146                         inset.insetButtonRelease(bv, 0, 0, button);
 147                         inset.setUpdateStatus(bv, InsetText::FULL);
 148                         bv->updateInset(this, true);
 149                 } else {
 150                         collapsed_ = true;
 151                         bv->unlockInset(this);
 152                         bv->updateInset(this, true);
 153                 }
 154         } else if (!collapsed_ && (y > button_bottom_y)) {
 155                 LyXFont font(LyXFont::ALL_SANE);
 156                 int yy = ascent(bv, font) + y -
 157                     (ascent_collapsed() +
 158                      descent_collapsed() +
 159                      inset.ascent(bv, font));
 160                 inset.insetButtonRelease(bv, x, yy, button);
 161         }
 162 }
 163
 164
 165 int InsetERT::latex(Buffer const *, std::ostream & os, bool /*fragile*/,
 166                     bool /*free_spc*/) const
 167 {
 168         Paragraph * par = inset.paragraph();
 169         while (par) {
 170                 Paragraph::size_type siz = inset.paragraph()->size();
 171                 for (Paragraph::size_type i = 0; i != siz; ++i) {
 172                         char c = inset.paragraph()->getChar(i);
 173                         switch (c) {
 174                         case Paragraph::META_NEWLINE:
 175                                 os << '\n';
 176                                 break;
 177                         default:
 178                                 os << c;
 179                                 break;
 180                         }
 181                 }
 182                 par = par->next();
 183         }
 184
 185         return 1;
 186 }
 187
 188
 189 int InsetERT::ascii(Buffer const *,
 190                     std::ostream &, int /*linelen*/) const
 191 {
 192         return 0;
 193 }
 194
 195
 196 int InsetERT::linuxdoc(Buffer const *, std::ostream &) const
 197 {
 198         return 0;
 199 }
 200
 201
 202 int InsetERT::docBook(Buffer const *, std::ostream &) const
 203 {
 204         return 0;
 205 }
 206
 207
 208 UpdatableInset::RESULT
 209 InsetERT::localDispatch(BufferView * bv, kb_action action, string const & arg)
 210 {
 211         UpdatableInset::RESULT result = DISPATCHED_NOUPDATE;
 212
 213         if (!inset.paragraph()->size()) {
 214                 set_latex_font(bv);
 215         }
 216
 217         switch(action) {
 218         case LFUN_LAYOUT:
 219                 bv->owner()->setLayout(inset.paragraph()->getLayout());
 220                 break;
 221         default:
 222                 result = InsetCollapsable::localDispatch(bv, action, arg);
 223         }
 224         switch(action) {
 225         case LFUN_BREAKPARAGRAPH:
 226         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 227                 set_latex_font(bv);
 228                 break;
 229
 230         default:
 231                 break;
 232         }
 233         return result;
 234 }
 235
 236
 237 string const InsetERT::get_new_label() const
 238 {
 239         string la;
 240         Paragraph::size_type const max_length = 15;
 241
 242         Paragraph::size_type const p_siz = inset.paragraph()->size();
 243         Paragraph::size_type const n = std::min(max_length, p_siz);
 244         int i = 0;
 245         int j = 0;
 246         for(; i < n && j < p_siz; ++j) {
 247                 if (inset.paragraph()->isInset(j))
 248                         continue;
 249                 la += inset.paragraph()->getChar(j);
 250                 ++i;
 251         }
 252         if (i > 0 && j < p_siz) {
 253                 la += "...";
 254         }
 255         if (la.empty()) {
 256                 la = _("ERT");
 257         }
 258         return la;
 259 }
 260
 261
 262 void InsetERT::setButtonLabel()
 263 {
 264         if (collapsed_) {
 265                 setLabel(get_new_label());
 266         } else {
 267                 setLabel(_("ERT"));
 268         }
 269 }
 270
 271
 272 bool InsetERT::checkInsertChar(LyXFont & font)
 273 {
 274         LyXFont f(LyXFont::ALL_INHERIT);
 275         font = f;
 276         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
 277         font.setColor(LColor::latex);
 278         return true;
 279 }
 280
 281
 282 void InsetERT::inlined(BufferView * bv, bool flag)
 283 {
 284         if (flag != inset.getAutoBreakRows())
 285                 return;
 286
 287         inset.setAutoBreakRows(!flag);
 288         bv->updateInset(this, true);
 289 }
 290
 291 void InsetERT::draw(BufferView * bv, LyXFont const & f,
 292                     int baseline, float & x, bool cleared) const
 293 {
 294         Painter & pain = bv->painter();
 295
 296         button_length = width_collapsed();
 297         button_top_y = -ascent(bv, f);
 298         button_bottom_y = -ascent(bv, f) + ascent_collapsed() +
 299                 descent_collapsed();
 300
 301         if (!isOpen()) {
 302                 draw_collapsed(pain, baseline, x);
 303                 x += TEXT_TO_INSET_OFFSET;
 304                 return;
 305         }
 306
 307         float old_x = x;
 308
 309         if (!owner())
 310                 x += static_cast<float>(scroll());
 311
 312         if (!cleared && (inset.need_update == InsetText::FULL ||
 313                          inset.need_update == InsetText::INIT ||
 314                          top_x != int(x) ||
 315                          top_baseline != baseline))
 316         {
 317                 // we don't need anymore to clear here we just have to tell
 318                 // the underlying LyXText that it should do the RowClear!
 319                 inset.setUpdateStatus(bv, InsetText::FULL);
 320                 bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 321                 return;
 322         }
 323
 324         top_x = int(x);
 325         top_baseline = baseline;
 326
 327         int const bl = baseline - ascent(bv, f) + ascent_collapsed();
 328
 329         if (inlined()) {
 330                 inset.draw(bv, f, baseline, x, cleared);
 331         } else {
 332                 draw_collapsed(pain, bl, old_x);
 333                 inset.draw(bv, f,
 334                                    bl + descent_collapsed() + inset.ascent(bv, f),
 335                                    x, cleared);
 336         }
 337         need_update = NONE;
 338 }
 339
 340
 341 void InsetERT::set_latex_font(BufferView * bv)
 342 {
 343         LyXFont font(LyXFont::ALL_INHERIT);
 344
 345         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
 346         font.setColor(LColor::latex);
 347         inset.setFont(bv, font);
 348 }