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