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 1995-2000 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 "lyxparagraph.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
  29 using std::ostream;
  30 using std::endl;
  31
  32 /* Info, used for the Info boxes */
  33
  34 extern BufferView * current_view;
  35
  36
  37 InsetInfo::InsetInfo()
  38 {
  39         form = 0;
  40 }
  41
  42
  43 InsetInfo::InsetInfo(string const & string)
  44         : contents(string)
  45 {
  46         form = 0;
  47 }
  48
  49
  50 InsetInfo::~InsetInfo()
  51 {
  52         if (form){
  53                 fl_hide_form(form);
  54                 fl_free_form(form);
  55                 form = 0;
  56         }
  57 }
  58
  59
  60 int InsetInfo::ascent(Painter &, LyXFont const & font) const
  61 {
  62         return lyxfont::maxAscent(font) + 1;
  63 }
  64
  65
  66 int InsetInfo::descent(Painter &, LyXFont const & font) const
  67 {
  68         return lyxfont::maxDescent(font) + 1;
  69 }
  70
  71
  72 int InsetInfo::width(Painter &, LyXFont const & font) const
  73 {
  74         return 6 + lyxfont::width(_("Note"), font);
  75 }
  76
  77
  78 void InsetInfo::draw(BufferView * bv, LyXFont const & f,
  79                      int baseline, float & x) const
  80 {
  81         Painter & pain = bv->painter();
  82         LyXFont font(f);
  83
  84         /* Info-insets are never LaTeX, so just correct the font */
  85         font.setLatex(LyXFont::OFF).setColor(LColor::note);
  86
  87         // Draw as "Note" in a yellow box
  88         x += 1;
  89         pain.fillRectangle(int(x), baseline - ascent(pain, font) + 1,
  90                            width(pain, font) - 2,
  91                            ascent(pain, font) + descent(pain, font) - 2,
  92                            LColor::notebg);
  93         pain.rectangle(int(x), baseline - ascent(pain, font) + 1,
  94                        width(pain, font) - 2,
  95                        ascent(pain, font) + descent(pain, font) - 2,
  96                        LColor::noteframe);
  97
  98         pain.text(int(x + 2), baseline, _("Note"), font);
  99         x +=  width(pain, font) - 1;
 100 }
 101
 102
 103 void InsetInfo::Write(Buffer const *, ostream & os) const
 104 {
 105         os << "Info " << contents;
 106 }
 107
 108
 109 void InsetInfo::Read(Buffer const *, LyXLex & lex)
 110 {
 111         string tmp = lex.GetString(); // should be "Info"
 112         if (tmp != "Info")
 113                 lyxerr << "ERROR (InsetInfo::Read): "
 114                         "consistency check 1 failed." << endl;
 115
 116         while (lex.IsOK()) {
 117                 if (!lex.EatLine())
 118                         // blank line in the file being read
 119                         // should we skip blank lines?
 120                         continue;
 121
 122                 string const token = strip(lex.GetString());
 123                 lyxerr[Debug::PARSER] << "Note: " << token << endl;
 124
 125                 if (token != "\\end_inset") {
 126                         contents += token + '\n';
 127                 }
 128                 else // token == "\\end_inset"
 129                         break;
 130         }
 131         // now remove the last '\n's
 132         contents = strip(contents, '\n');
 133 }
 134
 135
 136 int InsetInfo::Latex(Buffer const *, ostream &,
 137                      bool /*fragile*/, bool /*free_spc*/) const
 138 {
 139         return 0;
 140 }
 141
 142
 143 int InsetInfo::Ascii(Buffer const *, ostream &) const
 144 {
 145         return 0;
 146 }
 147
 148
 149 int InsetInfo::Linuxdoc(Buffer const *, ostream &) const
 150 {
 151         return 0;
 152 }
 153
 154
 155 int InsetInfo::DocBook(Buffer const *, ostream &) const
 156 {
 157         return 0;
 158 }
 159
 160
 161 Inset::EDITABLE InsetInfo::Editable() const
 162 {
 163         return IS_EDITABLE;
 164 }
 165
 166
 167 void InsetInfo::CloseInfoCB(FL_OBJECT * ob, long)
 168 {
 169         InsetInfo * inset = static_cast<InsetInfo*>(ob->u_vdata);
 170         string tmp = fl_get_input(inset->strobj);
 171         Buffer * buffer = current_view->buffer();
 172         if(tmp != inset->contents && !(buffer->isReadonly()) ) {
 173                 buffer->markDirty();
 174                 inset->contents = tmp;
 175         }
 176         if (inset->form) {
 177                 fl_hide_form(inset->form);
 178                 fl_free_form(inset->form);
 179                 inset->form = 0;
 180         }
 181 }
 182
 183
 184 // This is just a wrapper.
 185 extern "C" void C_InsetInfo_CloseInfoCB(FL_OBJECT * ob, long data)
 186 {
 187         InsetInfo::CloseInfoCB(ob, data);
 188 }
 189
 190
 191 char const * InsetInfo::EditMessage() const
 192 {
 193         return _("Opened note");
 194 }
 195
 196
 197 void InsetInfo::Edit(BufferView *bv, int, int, unsigned int)
 198 {
 199         static int ow = -1, oh;
 200
 201         if(bv->buffer()->isReadonly())
 202                 WarnReadonly(bv->buffer()->fileName());
 203
 204         if (!form) {
 205                 FL_OBJECT *obj;
 206                 form = fl_bgn_form(FL_UP_BOX, 400, 180);
 207                 strobj = obj = fl_add_input(FL_MULTILINE_INPUT, 10, 10, 380, 120, "");
 208                 fl_set_object_color(obj, FL_MCOL, FL_MCOL);
 209                 fl_set_object_resize(obj, FL_RESIZE_ALL);
 210                 fl_set_object_gravity(obj, NorthWestGravity, SouthEastGravity);
 211                 obj = fl_add_button(FL_NORMAL_BUTTON, 130, 140, 120, 30, idex(_("Close|#C^[")));
 212                 fl_set_object_resize(obj, FL_RESIZE_NONE);
 213                 fl_set_object_gravity(obj, SouthEastGravity, SouthEastGravity);
 214                 fl_set_object_callback(obj, C_InsetInfo_CloseInfoCB, 0);
 215                 obj->u_vdata = this;
 216                 fl_set_object_shortcut(obj, scex(_("Close|#C^[")), 1);
 217                 fl_end_form();
 218                 fl_set_form_atclose(form, CancelCloseBoxCB, 0);
 219         }
 220         fl_set_input(strobj, contents.c_str());
 221         if (form->visible) {
 222                 fl_raise_form(form);
 223         } else {
 224                 fl_show_form(form, FL_PLACE_MOUSE | FL_FREE_SIZE, FL_FULLBORDER,
 225                              _("Note"));
 226                 if (ow < 0) {
 227                         ow = form->w;
 228                         oh = form->h;
 229                 }
 230                 fl_set_form_minsize(form, ow, oh);
 231         }
 232 }
 233
 234
 235 Inset * InsetInfo::Clone() const
 236 {
 237         return new InsetInfo(contents);
 238 }
 239
 240
 241 Inset::Code InsetInfo::LyxCode() const
 242 {
 243         return Inset::IGNORE_CODE;
 244 }