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