]> git.lyx.org Git - lyx.git/blobdiff - src/bufferview_funcs.C
more cursor dispatch
[lyx.git] / src / bufferview_funcs.C
index 258613a1fe52c638ff444300bbf91b6fca1b88d4..634ed5f9c4342190530f8823a651a36c1778f67d 100644 (file)
-/* This file is part of
- * ======================================================
+/**
+ * \file bufferview_funcs.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           LyX, The Document Processor
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ * \author John Levon
+ * \author Angus Leeming
  *
- *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2001 The LyX Team.
- *
- * ====================================================== */
+ * Full author contact details are available in file CREDITS.
+ */
 
 #include <config.h>
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
 #include "bufferview_funcs.h"
-#include "frontends/LyXView.h"
-#include "BufferView.h"
-#include "paragraph.h"
-#include "lyxfont.h"
-#include "lyxtext.h"
+
+#include "author.h"
 #include "buffer.h"
-#include "lyx_cb.h"
-#include "language.h"
+#include "bufferparams.h"
+#include "BufferView.h"
+#include "cursor.h"
 #include "gettext.h"
+#include "language.h"
+#include "LColor.h"
+#include "lyxlex.h"
+#include "lyxrow.h"
+#include "paragraph.h"
 #include "ParagraphParameters.h"
+#include "iterators.h"
 
 #include "frontends/Alert.h"
+#include "frontends/LyXView.h"
 
-#include "support/lstrings.h"
-
-#include "BoostFormat.h"
-
-void emph(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setEmph(LyXFont::TOGGLE);
-       toggleAndShow(bv, font);
-}
-
-
-void bold(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setSeries(LyXFont::BOLD_SERIES);
-       toggleAndShow(bv, font);
-}
-
-
-void noun(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setNoun(LyXFont::TOGGLE);
-       toggleAndShow(bv, font);
-}
-
-
-void number(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setNumber(LyXFont::TOGGLE);
-       toggleAndShow(bv, font);
-}
+#include "insets/insettext.h"
 
-void lang(BufferView * bv, string const & l)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       Language const * lang = languages.getLanguage(l);
-       if (lang) {
-               font.setLanguage(lang);
-               toggleAndShow(bv, font);
-       } else
-               Alert::alert(_("Error! unknown language"),l);
-}
+#include "support/tostr.h"
+#include "support/std_sstream.h"
 
+using lyx::support::bformat;
 
-// Change environment depth.
-// if decInc >= 0, increment depth
-// if decInc <  0, decrement depth
-void changeDepth(BufferView * bv, LyXText * text, int decInc)
-{
-       if (!bv->available() || !text)
-           return;
+using std::istringstream;
+using std::ostringstream;
+using std::string;
 
-       bv->hideCursor();
-       bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
-       if (decInc >= 0)
-               text->incDepth(bv);
-       else
-               text->decDepth(bv);
-       if (text->inset_owner)
-               bv->updateInset((Inset *)text->inset_owner, true);
-       bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
-}
 
+namespace bv_funcs {
 
-void code(BufferView * bv)
+// Set data using font and toggle
+// If successful, returns true
+bool font2string(LyXFont const & font, bool toggle, string & data)
 {
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
-       toggleAndShow(bv, font);
+       string lang = "ignore";
+       if (font.language())
+               lang = font.language()->lang();
+
+       ostringstream os;
+       os << "family " << font.family() << '\n'
+          << "series " << font.series() << '\n'
+          << "shape " << font.shape() << '\n'
+          << "size " << font.size() << '\n'
+          << "emph " << font.emph() << '\n'
+          << "underbar " << font.underbar() << '\n'
+          << "noun " << font.noun() << '\n'
+          << "number " << font.number() << '\n'
+          << "color " << font.color() << '\n'
+          << "language " << lang << '\n'
+          << "toggleall " << tostr(toggle);
+       data = os.str();
+       return true;
 }
 
 
-void sans(BufferView * bv)
+// Set font and toggle using data
+// If successful, returns true
+bool string2font(string const & data, LyXFont & font, bool & toggle)
 {
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setFamily(LyXFont::SANS_FAMILY);
-       toggleAndShow(bv, font);
-}
+       istringstream is(data);
+       LyXLex lex(0,0);
+       lex.setStream(is);
 
+       int nset = 0;
+       while (lex.isOK()) {
+               string token;
+               if (lex.next())
+                       token = lex.getString();
 
-void roman(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setFamily(LyXFont::ROMAN_FAMILY);
-       toggleAndShow(bv, font);
-}
+               if (token.empty() || !lex.next())
+                       break;
 
+               if (token == "family") {
+                       int const next = lex.getInteger();
+                       font.setFamily(LyXFont::FONT_FAMILY(next));
+
+               } else if (token == "series") {
+                       int const next = lex.getInteger();
+                       font.setSeries(LyXFont::FONT_SERIES(next));
+
+               } else if (token == "shape") {
+                       int const next = lex.getInteger();
+                       font.setShape(LyXFont::FONT_SHAPE(next));
+
+               } else if (token == "size") {
+                       int const next = lex.getInteger();
+                       font.setSize(LyXFont::FONT_SIZE(next));
+
+               } else if (token == "emph" || token == "underbar" ||
+                          token == "noun" || token == "number") {
+
+                       int const next = lex.getInteger();
+                       LyXFont::FONT_MISC_STATE const misc =
+                               LyXFont::FONT_MISC_STATE(next);
+
+                       if (token == "emph")
+                           font.setEmph(misc);
+                       else if (token == "underbar")
+                               font.setUnderbar(misc);
+                       else if (token == "noun")
+                               font.setNoun(misc);
+                       else if (token == "number")
+                               font.setNumber(misc);
+
+               } else if (token == "color") {
+                       int const next = lex.getInteger();
+                       font.setColor(LColor::color(next));
+
+               } else if (token == "language") {
+                       string const next = lex.getString();
+                       if (next == "ignore")
+                               font.setLanguage(ignore_language);
+                       else
+                               font.setLanguage(languages.getLanguage(next));
+
+               } else if (token == "toggleall") {
+                       toggle = lex.getBool();
+
+               } else {
+                       // Unrecognised token
+                       break;
+               }
 
-void styleReset(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
-       toggleAndShow(bv, font);
+               ++nset;
+       }
+       return (nset > 0);
 }
 
 
-void underline(BufferView * bv)
+bool changeDepthAllowed(BufferView * bv, LyXText * text, DEPTH_CHANGE type)
 {
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setUnderbar(LyXFont::TOGGLE);
-       toggleAndShow(bv, font);
+       return bv->available() && text && text->changeDepthAllowed(type);
 }
 
 
-void fontSize(BufferView * bv, string const & size)
+void changeDepth(BufferView * bv, LyXText * text, DEPTH_CHANGE type)
 {
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setLyXSize(size);
-       toggleAndShow(bv, font);
+       if (bv->available() && text)
+               text->changeDepth(type);
 }
 
 
@@ -148,39 +164,53 @@ string const currentState(BufferView * bv)
        ostringstream state;
 
        if (!bv->available())
-               return "";
+               return string();
+
+       if (bv->cursor().inMathed()) {
+               bv->cursor().info(state);
+               return state.str();
+       }
 
-       // I think we should only show changes from the default
-       // font. (Asger)
        LyXText * text = bv->getLyXText();
        Buffer * buffer = bv->buffer();
+       CursorSlice const & c = text->cursor();
+
+       bool const show_change = buffer->params().tracking_changes
+               && text->cursor().pos() != text->cursorPar()->size()
+               && text->cursorPar()->lookupChange(c.pos()) != Change::UNCHANGED;
+
+       if (show_change) {
+               Change change = text->cursorPar()->lookupChangeFull(c.pos());
+               Author const & a = bv->buffer()->params().authors().get(change.author);
+               state << _("Change: ") << a.name();
+               if (!a.email().empty())
+                       state << " (" << a.email() << ")";
+               if (change.changetime)
+                       state << _(" at ") << ctime(&change.changetime);
+               state << " : ";
+       }
+
+       // I think we should only show changes from the default
+       // font. (Asger)
        LyXFont font = text->real_current_font;
-       LyXFont const & defaultfont =
-               buffer->params.getLyXTextClass().defaultfont();
-       font.reduce(defaultfont);
-
-#if USE_BOOST_FORMAT
-       state << boost::format(_("Font: %1$s")) % font.stateText(&buffer->params);
-#else
-       state << _("Font: ") << font.stateText(&buffer->params);
-#endif
+       font.reduce(buffer->params().getLyXTextClass().defaultfont());
+
+       // avoid _(...) re-entrance problem
+       string const s = font.stateText(&buffer->params());
+       state << bformat(_("Font: %1$s"), s);
+
+       // state << bformat(_("Font: %1$s"), font.stateText(&buffer->params));
 
        // The paragraph depth
        int depth = text->getDepth();
-       if (depth > 0) {
-#if USE_BOOST_FORMAT
-               state << boost::format(_(", Depth: %1$d")) % depth;
-#else
-               state << _(", Depth: ") << depth;
-#endif
-       }
-
+       if (depth > 0)
+               state << bformat(_(", Depth: %1$s"), tostr(depth));
 
        // The paragraph spacing, but only if different from
        // buffer spacing.
-       if (!text->cursor.par()->params().spacing().isDefault()) {
+       if (!text->cursorPar()->params().spacing().isDefault()) {
                Spacing::Space cur_space =
-                       text->cursor.par()->params().spacing().getSpace();
+                       text->cursorPar()->params().spacing().getSpace();
                state << _(", Spacing: ");
 
                switch (cur_space) {
@@ -188,15 +218,15 @@ string const currentState(BufferView * bv)
                        state << _("Single");
                        break;
                case Spacing::Onehalf:
-                       state << _("Onehalf");
+                       state << _("OneHalf");
                        break;
                case Spacing::Double:
                        state << _("Double");
                        break;
                case Spacing::Other:
                        state << _("Other (")
-                             << text->cursor.par()->params().spacing().getValue()
-                             << ")";
+                             << text->cursorPar()->params().spacing().getValue()
+                             << ')';
                        break;
                case Spacing::Default:
                        // should never happen, do nothing
@@ -204,43 +234,29 @@ string const currentState(BufferView * bv)
                }
        }
 #ifdef DEVEL_VERSION
-       state << _(", Paragraph: ") << text->cursor.par()->id();
+       ParagraphList::iterator pit = text->cursorPar();
+       state << _(", Paragraph: ") << pit->id();
+       state << _(", Position: ") << text->cursor().pos();
+       RowList::iterator rit = pit->getRow(text->cursor().pos());
+       state << bformat(_(", Row b:%1$d e:%2$d"), rit->pos(), rit->endpos());
+       state << _(", Inset: ");
+       InsetOld * inset = pit->inInset();
+       if (inset)
+               state << inset << " owner: " << inset->owner();
+       else
+               state << -1;
 #endif
-       return STRCONV(state.str());
+       return state.str();
 }
 
 
-/* Does the actual toggle job of the calls above.
- * Also shows the current font state.
- */
-void toggleAndShow(BufferView * bv, LyXFont const & font, bool toggleall)
+// deletes a selection during an insertion
+void replaceSelection(LyXText * text)
 {
-       if (!bv->available())
-               return;
-
-       if (bv->theLockingInset()) {
-               bv->theLockingInset()->setFont(bv, font, toggleall);
-               return;
-       }
-
-       LyXText * text = bv->getLyXText();
-       // FIXME: can this happen ??
-       if (!text)
-               return;
-
-       bv->hideCursor();
-       bv->update(text, BufferView::SELECT | BufferView::FITCUR);
-       text->toggleFree(bv, font, toggleall);
-       bv->update(text, BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
-
-       if (font.language() != ignore_language ||
-           font.number() != LyXFont::IGNORE) {
-               LyXCursor & cursor = text->cursor;
-               text->computeBidiTables(bv->buffer(), cursor.row());
-               if (cursor.boundary() !=
-                   text->isBoundary(bv->buffer(), cursor.par(), cursor.pos(),
-                                    text->real_current_font))
-                       text->setCursor(bv, cursor.par(), cursor.pos(),
-                                       false, !cursor.boundary());
+       if (text->bv()->cursor().selection()) {
+               text->cutSelection(true, false);
+               text->bv()->update();
        }
 }
+
+} // namespace bv_funcs