src/bufferview_funcs.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 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "bufferview_funcs.h"
  18 #include "LyXView.h"
  19 #include "BufferView.h"
  20 #include "lyxparagraph.h"
  21 #include "lyxfont.h"
  22 #include "lyx_gui_misc.h"
  23 #include "lyxtext.h"
  24 #include "buffer.h"
  25 #include "support/lstrings.h"
  26 #include "lyx_cb.h"
  27 #include "language.h"
  28 #include "gettext.h"
  29
  30 #ifndef NEW_INSETS
  31 void Foot(BufferView * bv)
  32 {
  33         if (!bv->available())
  34                 return;
  35
  36         bv->owner()->getMiniBuffer()
  37                 ->Set(_("Inserting Footnote..."));
  38         bv->hideCursor();
  39         bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
  40         bv->text->InsertFootnoteEnvironment(bv, LyXParagraph::FOOTNOTE);
  41         bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
  42 }
  43 #endif
  44
  45
  46 void Emph(BufferView * bv)
  47 {
  48         LyXFont font(LyXFont::ALL_IGNORE);
  49         font.setEmph(LyXFont::TOGGLE);
  50         ToggleAndShow(bv, font);
  51 }
  52
  53
  54 void Bold(BufferView * bv)
  55 {
  56         LyXFont font(LyXFont::ALL_IGNORE);
  57         font.setSeries(LyXFont::BOLD_SERIES);
  58         ToggleAndShow(bv, font);
  59 }
  60
  61
  62 void Noun(BufferView * bv)
  63 {
  64         LyXFont font(LyXFont::ALL_IGNORE);
  65         font.setNoun(LyXFont::TOGGLE);
  66         ToggleAndShow(bv, font);
  67 }
  68
  69
  70 #ifndef NEW_INSETS
  71 void Margin(BufferView * bv)
  72 {
  73         if (bv->available()) {
  74                 bv->owner()->message(_("Inserting margin note...");
  75                 bv->hideCursor();
  76                 bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
  77                 bv->text->InsertFootnoteEnvironment(bv, LyXParagraph::MARGIN);
  78                 bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
  79         }
  80 }
  81 #endif
  82
  83 void Number(BufferView * bv)
  84 {
  85         LyXFont font(LyXFont::ALL_IGNORE);
  86         font.setNumber(LyXFont::TOGGLE);
  87         ToggleAndShow(bv, font);
  88 }
  89
  90 void Lang(BufferView * bv, string const & l)
  91 {
  92         LyXFont font(LyXFont::ALL_IGNORE);
  93         Language const * lang = languages.getLanguage(l);
  94         if (lang) {
  95                 font.setLanguage(lang);
  96                 ToggleAndShow(bv, font);
  97         } else
  98                 WriteAlert(_("Error! unknown language"),l);
  99 }
 100
 101
 102 #ifndef NEW_INSETS
 103 void Melt(BufferView * bv)
 104 {
 105         if (!bv->available()) return;
 106
 107         bv->owner()->message(_("Melt"));
 108         bv->hideCursor();
 109         bv->beforeChange(bv->text);
 110         bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
 111         bv->text->MeltFootnoteEnvironment(bv);
 112         bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 113 }
 114 #endif
 115
 116
 117 void Tex(BufferView * bv)
 118 {
 119         LyXFont font(LyXFont::ALL_IGNORE);
 120         font.setLatex (LyXFont::TOGGLE);
 121         ToggleAndShow(bv, font);
 122 }
 123
 124
 125 // Change environment depth.
 126 // if decInc >= 0, increment depth
 127 // if decInc <  0, decrement depth
 128 void changeDepth(BufferView * bv, LyXText * text, int decInc)
 129 {
 130         if (!bv->available() || !text)
 131             return;
 132
 133         bv->hideCursor();
 134         bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
 135         if (decInc >= 0)
 136                 text->IncDepth(bv);
 137         else
 138                 text->DecDepth(bv);
 139         if (text->inset_owner)
 140             bv->updateInset((Inset *)text->inset_owner, true);
 141         bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 142         bv->owner()->message(_("Changed environment depth "
 143                                "(in possible range, maybe not)"));
 144 }
 145
 146
 147 // How should this actually work? Should it prohibit input in all BufferViews,
 148 // or just in the current one? If "just the current one", then it should be
 149 // placed in BufferView. If "all BufferViews" then LyXGUI (I think) should
 150 // run "ProhibitInput" on all LyXViews which will run prohibitInput on all
 151 // BufferViews. Or is it perhaps just the (input in) BufferViews in the
 152 // current LyxView that should be prohibited (Lgb) (This applies to
 153 // "AllowInput" as well.)
 154 void ProhibitInput(BufferView * bv)
 155 {
 156         bv->hideCursor();
 157
 158         static Cursor cursor;
 159         static bool cursor_undefined = true;
 160
 161         if (cursor_undefined){
 162                 cursor = XCreateFontCursor(fl_get_display(), XC_watch);
 163                 XFlush(fl_get_display());
 164                 cursor_undefined = false;
 165         }
 166
 167         /* set the cursor to the watch for all forms and the canvas */
 168         XDefineCursor(fl_get_display(), bv->owner()->getForm()->window,
 169                       cursor);
 170
 171         XFlush(fl_get_display());
 172         fl_deactivate_all_forms();
 173 }
 174
 175
 176 void AllowInput(BufferView * bv)
 177 {
 178         /* reset the cursor from the watch for all forms and the canvas */
 179
 180         XUndefineCursor(fl_get_display(), bv->owner()->getForm()->window);
 181
 182         XFlush(fl_get_display());
 183         fl_activate_all_forms();
 184 }
 185
 186
 187 void Code(BufferView * bv)
 188 {
 189         LyXFont font(LyXFont::ALL_IGNORE);
 190         font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
 191         ToggleAndShow(bv, font);
 192 }
 193
 194
 195 void Sans(BufferView * bv)
 196 {
 197         LyXFont font(LyXFont::ALL_IGNORE);
 198         font.setFamily(LyXFont::SANS_FAMILY);
 199         ToggleAndShow(bv, font);
 200 }
 201
 202
 203 void Roman(BufferView * bv)
 204 {
 205         LyXFont font(LyXFont::ALL_IGNORE);
 206         font.setFamily(LyXFont::ROMAN_FAMILY);
 207         ToggleAndShow(bv, font);
 208 }
 209
 210
 211 void StyleReset(BufferView * bv)
 212 {
 213         LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
 214         ToggleAndShow(bv, font);
 215 }
 216
 217
 218 void Underline(BufferView * bv)
 219 {
 220         LyXFont font(LyXFont::ALL_IGNORE);
 221         font.setUnderbar(LyXFont::TOGGLE);
 222         ToggleAndShow(bv, font);
 223 }
 224
 225
 226 void FontSize(BufferView * bv, string const & size)
 227 {
 228         LyXFont font(LyXFont::ALL_IGNORE);
 229         font.setLyXSize(size);
 230         ToggleAndShow(bv, font);
 231 }
 232
 233
 234 // Returns the current font and depth as a message.
 235 string const CurrentState(BufferView * bv)
 236 {
 237         string state;
 238         if (bv->available()) {
 239                 // I think we should only show changes from the default
 240                 // font. (Asger)
 241                 LyXText * text = bv->getLyXText();
 242                 Buffer * buffer = bv->buffer();
 243                 LyXFont font = text->real_current_font;
 244                 LyXFont const & defaultfont =
 245                         textclasslist
 246                         .TextClass(buffer->params.textclass)
 247                         .defaultfont();
 248                 font.reduce(defaultfont);
 249                 state = _("Font: ") + font.stateText(&buffer->params);
 250                 // The paragraph depth
 251                 int depth = text->GetDepth();
 252                 if (depth > 0)
 253                         state += string(_(", Depth: ")) + tostr(depth);
 254                 // The paragraph spacing, but only if different from
 255                 // buffer spacing.
 256                 if (!text->cursor.par()->params.spacing().isDefault()) {
 257                         Spacing::Space cur_space =
 258                                 text->cursor.par()->params.spacing().getSpace();
 259                         state += _(", Spacing: ");
 260                         switch (cur_space) {
 261                         case Spacing::Single:
 262                                 state += _("Single");
 263                                 break;
 264                         case Spacing::Onehalf:
 265                                 state += _("Onehalf");
 266                                 break;
 267                         case Spacing::Double:
 268                                 state += _("Double");
 269                                 break;
 270                         case Spacing::Other:
 271                                 state += _("Other (");
 272                                 state += tostr(text->cursor.par()->params.spacing().getValue());
 273                                 state += ")";
 274                                 break;
 275                         case Spacing::Default:
 276                                 // should never happen, do nothing
 277                                 break;
 278                         }
 279                 }
 280         }
 281         return state;
 282 }
 283
 284
 285 /* -------> Does the actual toggle job of the XxxCB() calls above.
 286  * Also shows the current font state.
 287  */
 288 void ToggleAndShow(BufferView * bv, LyXFont const & font, bool toggleall)
 289 {
 290         if (bv->available()) {
 291                 LyXText * text = bv->getLyXText();
 292
 293                 bv->hideCursor();
 294                 bv->update(text, BufferView::SELECT|BufferView::FITCUR);
 295                 text->ToggleFree(bv, font, toggleall);
 296                 bv->update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 297
 298                 if (font.language() != ignore_language ||
 299                     font.latex() != LyXFont::IGNORE ||
 300                     font.number() != LyXFont::IGNORE) {
 301                         LyXCursor & cursor = text->cursor;
 302                         text->ComputeBidiTables(bv->buffer(), cursor.row());
 303                         if (cursor.boundary() !=
 304                             text->IsBoundary(bv->buffer(), cursor.par(), cursor.pos(),
 305                                              text->real_current_font) )
 306                                 text->SetCursor(bv, cursor.par(), cursor.pos(),
 307                                                 false, !cursor.boundary());
 308                 }
 309         }
 310 }