src/insets/insetinfo.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include <cctype>
  14
  15 #ifdef __GNUG__
  16 #pragma implementation
  17 #endif
  18
  19 #include "insetinfo.h"
  20 #include "paragraph.h"
  21 #include "debug.h"
  22 #include "gettext.h"
  23 #include "lyx_gui_misc.h" // CancelCloseBoxCB
  24 #include "buffer.h"
  25 #include "support/lstrings.h"
  26 #include "Painter.h"
  27 #include "font.h"
  28 #include "BufferView.h"
  29
  30 using std::ostream;
  31 using std::endl;
  32
  33 /* Info, used for the Info boxes */
  34
  35 extern BufferView * current_view;
  36
  37
  38 InsetInfo::InsetInfo()
  39         : form(0), labelfont(LyXFont::ALL_SANE)
  40 {
  41         labelfont.decSize().decSize()
  42                 .setColor(LColor::note)
  43 #ifndef NO_LATEX
  44                 .setLatex(LyXFont::OFF)
  45 #endif
  46                 ;
  47 }
  48
  49
  50 InsetInfo::InsetInfo(string const & str)
  51         : contents(str), form(0), labelfont(LyXFont::ALL_SANE)
  52 {
  53         labelfont.decSize().decSize()
  54                 .setColor(LColor::note)
  55 #ifndef NO_LATEX
  56                 .setLatex(LyXFont::OFF)
  57 #endif
  58                 ;
  59 }
  60
  61
  62 InsetInfo::~InsetInfo()
  63 {
  64         if (form) {
  65                 fl_hide_form(form);
  66                 fl_free_form(form);
  67                 form = 0;
  68         }
  69 }
  70
  71
  72 int InsetInfo::ascent(BufferView *, LyXFont const &) const
  73 {
  74         return lyxfont::maxAscent(labelfont) + 1;
  75 }
  76
  77
  78 int InsetInfo::descent(BufferView *, LyXFont const &) const
  79 {
  80         return lyxfont::maxDescent(labelfont) + 1;
  81 }
  82
  83
  84 int InsetInfo::width(BufferView *, LyXFont const &) const
  85 {
  86         return 6 + lyxfont::width(_("Note"), labelfont);
  87 }
  88
  89
  90 void InsetInfo::draw(BufferView * bv, LyXFont const &,
  91                      int baseline, float & x, bool) const
  92 {
  93         Painter & pain = bv->painter();
  94
  95         // Draw as "Note" in a yellow box
  96         x += 1;
  97         pain.fillRectangle(int(x), baseline - ascent(bv, labelfont),
  98                            width(bv, labelfont) - 2,
  99                            ascent(bv, labelfont) + descent(bv, labelfont) - 2,
 100                            LColor::notebg);
 101         pain.rectangle(int(x), baseline - ascent(bv, labelfont),
 102                        width(bv, labelfont) - 2,
 103                        ascent(bv, labelfont) + descent(bv, labelfont) - 2,
 104                        LColor::noteframe);
 105
 106         pain.text(int(x + 2), baseline, _("Note"), labelfont);
 107         x +=  width(bv, labelfont) - 1;
 108 }
 109
 110
 111 void InsetInfo::write(Buffer const *, ostream & os) const
 112 {
 113         os << "Info\n" << contents;
 114 }
 115
 116
 117 void InsetInfo::read(Buffer const *, LyXLex & lex)
 118 {
 119         string tmp = lex.GetString(); // should be "Info"
 120         if (tmp != "Info")
 121                 lyxerr << "ERROR (InsetInfo::Read): "
 122                         "consistency check 1 failed." << endl;
 123
 124         while (lex.IsOK()) {
 125                 if (!lex.EatLine())
 126                         // blank line in the file being read
 127                         // should we skip blank lines?
 128                         continue;
 129
 130                 string const token = strip(lex.GetString());
 131                 lyxerr[Debug::PARSER] << "Note: " << token << endl;
 132
 133                 if (token != "\\end_inset") {
 134                         contents += token + '\n';
 135                 }
 136                 else // token == "\\end_inset"
 137                         break;
 138         }
 139         // now remove the last '\n's
 140         contents = strip(contents, '\n');
 141 }
 142
 143
 144 int InsetInfo::latex(Buffer const *, ostream &,
 145                      bool /*fragile*/, bool /*free_spc*/) const
 146 {
 147         return 0;
 148 }
 149
 150
 151 int InsetInfo::ascii(Buffer const *, ostream &, int) const
 152 {
 153         return 0;
 154 }
 155
 156
 157 int InsetInfo::linuxdoc(Buffer const *, ostream &) const
 158 {
 159         return 0;
 160 }
 161
 162
 163 int InsetInfo::docBook(Buffer const *, ostream &) const
 164 {
 165         return 0;
 166 }
 167
 168
 169 Inset::EDITABLE InsetInfo::editable() const
 170 {
 171         return IS_EDITABLE;
 172 }
 173
 174
 175 void InsetInfo::closeInfoCB(FL_OBJECT * ob, long)
 176 {
 177         InsetInfo * inset = static_cast<InsetInfo*>(ob->u_vdata);
 178         string tmp = fl_get_input(inset->strobj);
 179         Buffer * buffer = current_view->buffer();
 180         if (tmp != inset->contents && !(buffer->isReadonly())) {
 181                 buffer->markDirty();
 182                 inset->contents = tmp;
 183         }
 184         if (inset->form) {
 185                 fl_hide_form(inset->form);
 186                 fl_free_form(inset->form);
 187                 inset->form = 0;
 188         }
 189 }
 190
 191
 192 // This is just a wrapper.
 193 extern "C"
 194 void C_InsetInfo_CloseInfoCB(FL_OBJECT * ob, long data)
 195 {
 196         InsetInfo::closeInfoCB(ob, data);
 197 }
 198
 199
 200 string const InsetInfo::editMessage() const
 201 {
 202         return _("Opened note");
 203 }
 204
 205
 206 void InsetInfo::edit(BufferView *bv, int, int, unsigned int)
 207 {
 208         static int ow = -1;
 209         static int oh;
 210
 211         if (bv->buffer()->isReadonly())
 212                 WarnReadonly(bv->buffer()->fileName());
 213
 214         if (!form) {
 215                 FL_OBJECT *obj;
 216                 form = fl_bgn_form(FL_UP_BOX, 400, 180);
 217                 strobj = obj = fl_add_input(FL_MULTILINE_INPUT, 10, 10, 380, 120, "");
 218                 fl_set_object_color(obj, FL_MCOL, FL_MCOL);
 219                 fl_set_object_resize(obj, FL_RESIZE_ALL);
 220                 fl_set_object_gravity(obj, NorthWestGravity, SouthEastGravity);
 221                 obj = fl_add_button(FL_NORMAL_BUTTON, 130, 140, 120, 30, idex(_("Close|#C^[")));
 222                 fl_set_object_resize(obj, FL_RESIZE_NONE);
 223                 fl_set_object_gravity(obj, SouthEastGravity, SouthEastGravity);
 224                 fl_set_object_callback(obj, C_InsetInfo_CloseInfoCB, 0);
 225                 obj->u_vdata = this;
 226                 fl_set_object_shortcut(obj, scex(_("Close|#C^[")), 1);
 227                 fl_end_form();
 228                 fl_set_form_atclose(form, CancelCloseBoxCB, 0);
 229         }
 230         fl_set_input(strobj, contents.c_str());
 231         if (form->visible) {
 232                 fl_raise_form(form);
 233         } else {
 234                 fl_show_form(form,
 235                              FL_PLACE_MOUSE | FL_FREE_SIZE, FL_TRANSIENT,
 236                              _("Note"));
 237                 if (ow < 0) {
 238                         ow = form->w;
 239                         oh = form->h;
 240                 }
 241                 fl_set_form_minsize(form, ow, oh);
 242         }
 243 }
 244
 245
 246 Inset * InsetInfo::clone(Buffer const &, bool) const
 247 {
 248         return new InsetInfo(contents);
 249 }
 250
 251
 252 Inset::Code InsetInfo::lyxCode() const
 253 {
 254         return Inset::IGNORE_CODE;
 255 }