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