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