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