]> git.lyx.org Git - lyx.git/blobdiff - src/bufferview_funcs.C
GTK graphics dialog: Default to scaling 100% when no scaling or size is given
[lyx.git] / src / bufferview_funcs.C
index 249acf9e49e333ce08c4235a1dc2c5b77147e7d4..41f94771b80c9072ec752e69865799a1b6276b64 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
+ * \author Juergen Vigna
  *
- *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2001 The LyX Team.
- *
- * ====================================================== */
+ * Full author contact details are available in file CREDITS.
+ */
 
 #include <config.h>
 
 #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 "coordcache.h"
 #include "gettext.h"
+#include "language.h"
+#include "LColor.h"
+#include "lyxlex.h"
+#include "lyxrow.h"
+#include "paragraph.h"
 #include "ParagraphParameters.h"
-#include "author.h"
-#include "changes.h"
+#include "pariterator.h"
 
 #include "frontends/Alert.h"
+#include "frontends/LyXView.h"
 
-#include "support/lstrings.h"
+#include "insets/insetcommand.h"
+#include "insets/insettext.h"
 
-#include "BoostFormat.h"
+#include "support/convert.h"
 
-void emph(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setEmph(LyXFont::TOGGLE);
-       toggleAndShow(bv, font);
-}
+#include <sstream>
 
+using lyx::support::bformat;
 
-void bold(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setSeries(LyXFont::BOLD_SERIES);
-       toggleAndShow(bv, font);
-}
+using std::istringstream;
+using std::ostringstream;
+using std::string;
+using std::vector;
 
 
-void noun(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setNoun(LyXFont::TOGGLE);
-       toggleAndShow(bv, font);
-}
+namespace bv_funcs {
 
-
-void number(BufferView * bv)
+// Set data using font and toggle
+// If successful, returns true
+bool font2string(LyXFont const & font, bool const toggle, string & data)
 {
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setNumber(LyXFont::TOGGLE);
-       toggleAndShow(bv, font);
-}
-
-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);
+       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 " << convert<string>(toggle);
+       data = os.str();
+       return true;
 }
 
 
-// Change environment depth.
-// if decInc >= 0, increment depth
-// if decInc <  0, decrement depth
-void changeDepth(BufferView * bv, LyXText * text, int decInc)
+// Set font and toggle using data
+// If successful, returns true
+bool string2font(string const & data, LyXFont & font, bool & toggle)
 {
-       if (!bv->available() || !text)
-           return;
+       istringstream is(data);
+       LyXLex lex(0,0);
+       lex.setStream(is);
 
-       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);
-}
+       int nset = 0;
+       while (lex.isOK()) {
+               string token;
+               if (lex.next())
+                       token = lex.getString();
 
+               if (token.empty() || !lex.next())
+                       break;
 
-void code(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
-       toggleAndShow(bv, font);
-}
-
+               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 sans(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setFamily(LyXFont::SANS_FAMILY);
-       toggleAndShow(bv, font);
+               ++nset;
+       }
+       return (nset > 0);
 }
 
 
-void roman(BufferView * bv)
+// the next two should probably go elsewhere
+// this give the position relative to (0, baseline) of outermost
+// paragraph
+Point coordOffset(DocIterator const & dit, bool boundary)
 {
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setFamily(LyXFont::ROMAN_FAMILY);
-       toggleAndShow(bv, font);
-}
-
+       int x = 0;
+       int y = 0;
+
+       // Contribution of nested insets
+       for (size_t i = 1; i != dit.depth(); ++i) {
+               CursorSlice const & sl = dit[i];
+               int xx = 0;
+               int yy = 0;
+               //FIXME: the check for asMathInset() shouldn't be necessary
+               // but math insets do not return a sensible editable() state yet.
+               if (sl.inset().asMathInset() 
+                   || sl.inset().editable() == InsetBase::HIGHLY_EDITABLE)
+                       sl.inset().cursorPos(sl, boundary && ((i+1) == dit.depth()), xx, yy);
+               x += xx;
+               y += yy;
+               //lyxerr << "LCursor::getPos, i: "
+               // << i << " x: " << xx << " y: " << y << endl;
+       }
 
-void styleReset(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
-       toggleAndShow(bv, font);
+       // Add contribution of initial rows of outermost paragraph
+       CursorSlice const & sl = dit[0];
+       Paragraph const & par = sl.text()->getPar(sl.pit());
+       y -= par.rows()[0].ascent();
+#if 1
+       size_t rend;
+       if (sl.pos() > 0 && dit.depth() == 1) {
+               int pos = sl.pos();
+               if (pos && boundary)
+                       --pos;
+//             lyxerr << "coordOffset: boundary:" << boundary << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << std::endl;
+               rend = par.pos2row(pos);
+       } else
+               rend = par.pos2row(sl.pos());
+#else
+       size_t rend = par.pos2row(sl.pos());
+#endif
+       for (size_t rit = 0; rit != rend; ++rit)
+               y += par.rows()[rit].height();
+       y += par.rows()[rend].ascent();
+       x += dit.bottom().text()->cursorX(dit.bottom(), boundary && dit.depth() == 1);
+       // The following correction should not be there at all.
+       // The cursor looks much better with the -1, though.
+       --x;
+       return Point(x, y);
 }
 
 
-void underline(BufferView * bv)
+Point getPos(DocIterator const & dit, bool boundary)
 {
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setUnderbar(LyXFont::TOGGLE);
-       toggleAndShow(bv, font);
+       CursorSlice const & bot = dit.bottom();
+       CoordCache::InnerParPosCache const & cache =
+               theCoords.getParPos().find(bot.text())->second;
+       CoordCache::InnerParPosCache::const_iterator it = cache.find(bot.pit());
+       if (it == cache.end()) {
+               //lyxerr << "cursor out of view" << std::endl;
+               return Point(-1, -1);
+       }
+       Point p = coordOffset(dit, boundary); // offset from outer paragraph
+       p.y_ += it->second.y_;
+       return p;
 }
 
 
-void fontSize(BufferView * bv, string const & size)
+// this could be used elsewhere as well?
+CurStatus status(BufferView const * bv, DocIterator const & dit)
 {
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setLyXSize(size);
-       toggleAndShow(bv, font);
+       CoordCache::InnerParPosCache const & cache = theCoords.getParPos().find(dit.bottom().text())->second;
+
+       if (cache.find(dit.bottom().pit()) != cache.end())
+               return CUR_INSIDE;
+       else if (dit.bottom().pit() < bv->anchor_ref())
+               return CUR_ABOVE;
+       else
+               return CUR_BELOW;
 }
 
+namespace {
 
-// Returns the current font and depth as a message.
-string const currentState(BufferView * bv)
+bool findNextInset(DocIterator & dit,
+                  vector<InsetBase_code> const & codes,
+                  string const & contents)
 {
-       ostringstream state;
+       DocIterator tmpdit = dit;
+
+       while (tmpdit) {
+               InsetBase const * inset = tmpdit.nextInset();
+               if (inset
+                   && find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end()
+                   && (contents.empty() ||
+                       static_cast<InsetCommand const *>(inset)->getContents() == contents)) {
+                       dit = tmpdit;
+                       return true;
+               }
+               tmpdit.forwardInset();
+       }
 
-       if (!bv->available())
-               return string();
+       return false;
+}
 
-       LyXText * text = bv->getLyXText();
-       Buffer * buffer = bv->buffer();
-       LyXCursor const & c(text->cursor);
+} // namespace anon
 
-       bool const show_change = buffer->params.tracking_changes
-               && c.pos() != c.par()->size()
-               && c.par()->lookupChange(c.pos()) != Change::UNCHANGED;
 
-       if (show_change) {
-               Change change(c.par()->lookupChangeFull(c.pos()));
-               Author const & a(bv->buffer()->authors().get(change.author));
-               state << _("Change: ") << a.name();
-               if (!a.email().empty()) {
-                       state << " (" << a.email() << ")";
+bool findInset(DocIterator & dit, vector<InsetBase_code> const & codes,
+              bool same_content)
+{
+       string contents;
+       DocIterator tmpdit = dit;
+       tmpdit.forwardInset();
+
+       if (same_content) {
+               InsetBase const * inset = tmpdit.nextInset();
+               if (inset
+                   && find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end()) {
+                       contents = static_cast<InsetCommand const *>(inset)->getContents();
                }
-               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
 
-       // 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 (!findNextInset(tmpdit, codes, contents)) {
+               if (dit.depth() != 1 || dit.pit() != 0 || dit.pos() != 0) {
+                       tmpdit  = doc_iterator_begin(tmpdit.bottom().inset());
+                       if (!findNextInset(tmpdit, codes, contents)) {
+                               return false;
+                       }
+               } else
+                       return false;
        }
+       
+       dit = tmpdit;
+       return true;
+}
 
 
-       // The paragraph spacing, but only if different from
-       // buffer spacing.
-       if (!text->cursor.par()->params().spacing().isDefault()) {
-               Spacing::Space cur_space =
-                       text->cursor.par()->params().spacing().getSpace();
-               state << _(", Spacing: ");
-
-               switch (cur_space) {
-               case Spacing::Single:
-                       state << _("Single");
-                       break;
-               case Spacing::Onehalf:
-                       state << _("OneHalf");
-                       break;
-               case Spacing::Double:
-                       state << _("Double");
-                       break;
-               case Spacing::Other:
-                       state << _("Other (")
-                             << text->cursor.par()->params().spacing().getValue()
-                             << ')';
-                       break;
-               case Spacing::Default:
-                       // should never happen, do nothing
-                       break;
-               }
-       }
-#ifdef DEVEL_VERSION
-       state << _(", Paragraph: ") << text->cursor.par()->id();
-#endif
-       return STRCONV(state.str());
+void findInset(DocIterator & dit, InsetBase_code code, bool same_content)
+{
+       findInset(dit, vector<InsetBase_code>(1, code), same_content);
 }
 
 
-/* Does the actual toggle job of the calls above.
- * Also shows the current font state.
- */
-void toggleAndShow(BufferView * bv, LyXFont const & font, bool toggleall)
+void gotoInset(BufferView * bv, vector<InsetBase_code> const & codes,
+              bool same_content)
 {
-       if (!bv->available())
-               return;
-
-       if (bv->theLockingInset()) {
-               bv->theLockingInset()->setFont(bv, font, toggleall);
+       LCursor tmpcur = bv->cursor();
+       if (!findInset(tmpcur, codes, same_content)) {
+               bv->cursor().message(_("No more insets"));
                return;
        }
 
-       LyXText * text = bv->getLyXText();
-       // FIXME: can this happen ??
-       if (!text)
-               return;
+       tmpcur.clearSelection();
+       bv->setCursor(tmpcur);
+}
 
-       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());
-       }
+
+void gotoInset(BufferView * bv, InsetBase_code code, bool same_content)
+{
+       gotoInset(bv, vector<InsetBase_code>(1, code), same_content);
 }
+
+
+} // namespace bv_funcs