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 1995-1999 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 #ifndef USE_PAINTER
  28 #include "lyxdraw.h"
  29 #endif
  30
  31 /* Info, used for the Info boxes */
  32
  33 extern BufferView * current_view;
  34
  35
  36 InsetInfo::InsetInfo()
  37 {
  38         form = 0;
  39 }
  40
  41
  42 InsetInfo::InsetInfo(string const & string)
  43         : contents(string)
  44 {
  45         form = 0;
  46 }
  47
  48
  49 InsetInfo::~InsetInfo()
  50 {
  51         if (form){
  52                 fl_hide_form(form);
  53                 fl_free_form(form);
  54                 form = 0;
  55         }
  56 }
  57
  58
  59 #ifdef USE_PAINTER
  60 int InsetInfo::ascent(Painter &, LyXFont const & font) const
  61 {
  62         return font.maxAscent() + 1;
  63 }
  64 #else
  65 int InsetInfo::Ascent(LyXFont const & font) const
  66 {
  67         return font.maxAscent() + 1;
  68 }
  69 #endif
  70
  71
  72 #ifdef USE_PAINTER
  73 int InsetInfo::descent(Painter &, LyXFont const & font) const
  74 {
  75         return font.maxDescent() + 1;
  76 }
  77 #else
  78 int InsetInfo::Descent(LyXFont const & font) const
  79 {
  80         return font.maxDescent() + 1;
  81 }
  82 #endif
  83
  84
  85 #ifdef USE_PAINTER
  86 int InsetInfo::width(Painter &, LyXFont const & font) const
  87 {
  88         return 6 + font.textWidth(_("Note"), strlen(_("Note")));
  89 }
  90 #else
  91 int InsetInfo::Width(LyXFont const & font) const
  92 {
  93         return 6 + font.textWidth(_("Note"), strlen(_("Note")));
  94 }
  95 #endif
  96
  97
  98 #ifdef USE_PAINTER
  99 void InsetInfo::draw(Painter & pain, LyXFont const & f,
 100                      int baseline, float & x) const
 101 {
 102         LyXFont font(f);
 103
 104         /* Info-insets are never LaTeX, so just correct the font */
 105         font.setLatex(LyXFont::OFF);
 106
 107         // Draw as "Note" in a yellow box
 108         x += 1;
 109         pain.fillRectangle(int(x), baseline - ascent(pain, font) + 1,
 110                            width(pain, font) - 2,
 111                            ascent(pain, font) + descent(pain, font) - 2);
 112         pain.rectangle(int(x), baseline - ascent(pain, font) + 1,
 113                        width(pain, font) - 2,
 114                        ascent(pain, font) + descent(pain, font) - 2);
 115
 116         pain.text(int(x + 2), baseline, _("Note"), font);
 117         x +=  width(pain, font) - 1;
 118 }
 119 #else
 120 void InsetInfo::Draw(LyXFont font, LyXScreen & scr,
 121                      int baseline, float & x)
 122 {
 123         /* Info-insets are never LaTeX, so just correct the font */
 124         font.setLatex(LyXFont::OFF);
 125
 126         // Draw as "Note" in a yellow box
 127         x += 1;
 128         scr.fillRectangle(gc_note,
 129                           int(x), baseline - Ascent(font)+1,
 130                           Width(font)-2, Ascent(font)+Descent(font)-2);
 131         scr.drawRectangle(gc_note_frame,
 132                           int(x), baseline- Ascent(font)+1,
 133                           Width(font)-2, Ascent(font)+Descent(font)-2);
 134
 135         scr.drawString(font, _("Note"), baseline, int(x+2));
 136         x +=  Width(font) - 1;
 137 }
 138 #endif
 139
 140
 141 void InsetInfo::Write(ostream & os)
 142 {
 143         os << "Info " << contents;
 144 }
 145
 146
 147 void InsetInfo::Read(LyXLex & lex)
 148 {
 149         string tmp = lex.GetString(); // should be "Info"
 150         if (tmp != "Info")
 151                 lyxerr << "ERROR (InsetInfo::Read): "
 152                         "consistency check 1 failed." << endl;
 153
 154         while (lex.IsOK()) {
 155                 if (!lex.EatLine())
 156                         // blank line in the file being read
 157                         // should we skip blank lines?
 158                         continue;
 159
 160                 string const token = strip(lex.GetString());
 161                 lyxerr[Debug::PARSER] << "Note: " << token << endl;
 162
 163                 if (token != "\\end_inset") {
 164                         contents += token + '\n';
 165                 }
 166                 else // token == "\\end_inset"
 167                         break;
 168         }
 169         // now remove the last '\n's
 170         contents = strip(contents, '\n');
 171 }
 172
 173
 174 int InsetInfo::Latex(ostream &, signed char /*fragile*/)
 175 {
 176         return 0;
 177 }
 178
 179
 180 int InsetInfo::Latex(string &, signed char /*fragile*/)
 181 {
 182         return 0;
 183 }
 184
 185
 186 int InsetInfo::Linuxdoc(string &)
 187 {
 188         return 0;
 189 }
 190
 191
 192 int InsetInfo::DocBook(string &)
 193 {
 194         return 0;
 195 }
 196
 197
 198 unsigned char InsetInfo::Editable() const
 199 {
 200         return 1;
 201 }
 202
 203
 204 void InsetInfo::CloseInfoCB(FL_OBJECT * ob, long)
 205 {
 206         InsetInfo * inset = static_cast<InsetInfo*>(ob->u_vdata);
 207         string tmp = fl_get_input(inset->strobj);
 208         Buffer * buffer = current_view->buffer();
 209         if(tmp != inset->contents && !(buffer->isReadonly()) ) {
 210                 buffer->markDirty();
 211                 inset->contents = tmp;
 212         }
 213         if (inset->form) {
 214                 fl_hide_form(inset->form);
 215                 fl_free_form(inset->form);
 216                 inset->form = 0;
 217         }
 218 }
 219
 220
 221 // This is just a wrapper.
 222 extern "C" void C_InsetInfo_CloseInfoCB(FL_OBJECT * ob, long data)
 223 {
 224         InsetInfo::CloseInfoCB(ob, data);
 225 }
 226
 227
 228 void InsetInfo::Edit(int, int)
 229 {
 230         static int ow = -1, oh;
 231
 232         if(current_view->buffer()->isReadonly())
 233                 WarnReadonly(current_view->buffer()->fileName());
 234
 235         if (!form) {
 236                 FL_OBJECT *obj;
 237                 form = fl_bgn_form(FL_UP_BOX, 400, 180);
 238                 strobj = obj = fl_add_input(FL_MULTILINE_INPUT, 10, 10, 380, 120, "");
 239                 fl_set_object_color(obj, FL_MCOL, FL_MCOL);
 240                 fl_set_object_resize(obj, FL_RESIZE_ALL);
 241                 fl_set_object_gravity(obj, NorthWestGravity, SouthEastGravity);
 242                 obj = fl_add_button(FL_NORMAL_BUTTON, 130, 140, 120, 30, idex(_("Close|#C^[")));
 243                 fl_set_object_resize(obj, FL_RESIZE_NONE);
 244                 fl_set_object_gravity(obj, SouthEastGravity, SouthEastGravity);
 245                 fl_set_object_callback(obj, C_InsetInfo_CloseInfoCB, 0);
 246                 obj->u_vdata = this;
 247                 fl_set_object_shortcut(obj, scex(_("Close|#C^[")), 1);
 248                 fl_end_form();
 249                 fl_set_form_atclose(form, CancelCloseBoxCB, 0);
 250         }
 251         fl_set_input(strobj, contents.c_str());
 252         if (form->visible) {
 253                 fl_raise_form(form);
 254         } else {
 255                 fl_show_form(form, FL_PLACE_MOUSE | FL_FREE_SIZE, FL_FULLBORDER,
 256                              _("Note"));
 257                 if (ow < 0) {
 258                         ow = form->w;
 259                         oh = form->h;
 260                 }
 261                 fl_set_form_minsize(form, ow, oh);
 262         }
 263 }
 264
 265
 266 Inset * InsetInfo::Clone() const
 267 {
 268         return new InsetInfo(contents);
 269 }
 270
 271
 272 Inset::Code InsetInfo::LyxCode() const
 273 {
 274         return Inset::IGNORE_CODE;
 275 }