]> git.lyx.org Git - lyx.git/blobdiff - src/bufferview_funcs.C
namespace grfx -> lyx::graphics
[lyx.git] / src / bufferview_funcs.C
index 1331407e33f6b00bfdf8e7a1316f3253f15f4818..a58c0c9e9c0ae1ade6684220676d0a50811c3444 100644 (file)
-/* This file is part of
- * ====================================================== 
- * 
- *           LyX, The Document Processor
- *        
- *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2001 The LyX Team.
+/**
+ * \file bufferview_funcs.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- * ====================================================== */
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ * \author John Levon
+ * \author Angus Leeming
+ *
+ * Full author contact details are available in file CREDITS
+ */
 
 #include <config.h>
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
 #include "bufferview_funcs.h"
-#include "LyXView.h"
 #include "BufferView.h"
 #include "paragraph.h"
 #include "lyxfont.h"
+#include "lyxlex.h"
 #include "lyxtext.h"
 #include "buffer.h"
 #include "lyx_cb.h"
 #include "language.h"
 #include "gettext.h"
 #include "ParagraphParameters.h"
-#include "lyxtextclasslist.h"
+#include "author.h"
+#include "changes.h"
 
+#include "frontends/LyXView.h"
 #include "frontends/Alert.h"
+#include "mathed/math_cursor.h"
+
+#include "support/tostr.h"
+#include "Lsstream.h"
+
+#include "insets/updatableinset.h"
+
+using namespace lyx::support;
+
+
+namespace {
+
+LyXFont freefont(LyXFont::ALL_IGNORE);
+bool toggleall(false);
+
+}
+
+namespace bv_funcs {
+
+// Set data using font and toggle
+// If successful, returns true
+bool font2string(LyXFont const & font, bool toggle, string & data)
+{
+       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 = STRCONV(os.str());
+       return true;
+}
+
+
+// Set font and toggle using data
+// If successful, returns true
+bool string2font(string const & data, LyXFont & font, bool & toggle)
+{
+       istringstream is(STRCONV(data));
+       LyXLex lex(0,0);
+       lex.setStream(is);
+
+       int nset = 0;
+       while (lex.isOK()) {
+               string token;
+               if (lex.next())
+                       token = lex.getString();
+
+               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;
+               }
+
+               ++nset;
+       }
+       return (nset > 0);
+}
+
+
+string const freefont2string()
+{
+       string data;
+       if (font2string(freefont, toggleall, data))
+               return data;
+       return string();
+}
+
+
+void update_and_apply_freefont(BufferView * bv, string const & data)
+{
+       LyXFont font;
+       bool toggle;
+       if (string2font(data, font, toggle)) {
+               freefont = font;
+               toggleall = toggle;
+               apply_freefont(bv);
+       }
+}
+
+
+void apply_freefont(BufferView * bv)
+{
+       toggleAndShow(bv, freefont, toggleall);
+       bv->owner()->view_state_changed();
+       bv->owner()->message(_("Character set"));
+}
 
-#include "support/lstrings.h"
 
 void emph(BufferView * bv)
 {
@@ -66,33 +211,28 @@ 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);
+       if (!lang)
+               return;
+
+       font.setLanguage(lang);
+       toggleAndShow(bv, font);
 }
 
 
-// Change environment depth.
-// if decInc >= 0, increment depth
-// if decInc <  0, decrement depth
-void changeDepth(BufferView * bv, LyXText * text, int decInc)
+bool changeDepth(BufferView * bv, LyXText * text, DEPTH_CHANGE type, bool test_only)
 {
        if (!bv->available() || !text)
-           return;
-       
-       bv->hideCursor();
-       bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
-       if (decInc >= 0)
-               text->incDepth(bv);
-       else
-               text->decDepth(bv);
+           return false;
+
+       if (test_only)
+               return text->changeDepth(type, true);
+
+       bv->update(BufferView::SELECT);
+       bool const changed = text->changeDepth(type, false);
        if (text->inset_owner)
-           bv->updateInset((Inset *)text->inset_owner, true);
-       bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
-       bv->owner()->message(_("Changed environment depth "
-                              "(in possible range, maybe not)"));
+               bv->updateInset((Inset *)text->inset_owner);
+       bv->update(BufferView::SELECT);
+       return changed;
 }
 
 
@@ -122,11 +262,7 @@ void roman(BufferView * bv)
 
 void styleReset(BufferView * bv)
 {
-#ifndef INHERIT_LANG
        LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
-#else 
-       LyXFont font(LyXFont::ALL_INHERIT);
-#endif
        toggleAndShow(bv, font);
 }
 
@@ -147,95 +283,123 @@ void fontSize(BufferView * bv, string const & size)
 }
 
 
-// Returns the current font and depth as a message. 
+// Returns the current font and depth as a message.
 string const currentState(BufferView * bv)
 {
+       if (!bv->available())
+               return string();
+
+       if (mathcursor)
+               return mathcursor->info();
+
        ostringstream state;
 
-       if (bv->available()) { 
-               // I think we should only show changes from the default
-               // font. (Asger)
-               LyXText * text = bv->getLyXText();
-               Buffer * buffer = bv->buffer();
-               LyXFont font = text->real_current_font;
-               LyXFont const & defaultfont =
-                       textclasslist
-                       .TextClass(buffer->params.textclass)
-                       .defaultfont();
-               font.reduce(defaultfont);
-
-               state << _("Font:") << ' '
-                     << font.stateText(&buffer->params);
-               
-               // The paragraph depth
-               int depth = text->getDepth();
-               if (depth > 0)
-                       state << _(", Depth: ") << depth;
-               
-               // 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;
-                       }
+       LyXText * text = bv->getLyXText();
+       Buffer * buffer = bv->buffer();
+       LyXCursor const & c(text->cursor);
+
+       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() << ")";
+               }
+               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);
+
+       // 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)
+               state << bformat(_(", Depth: %1$s"), tostr(depth));
+
+       // 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;
                }
-#if 1
-               state << _(", Paragraph: ") << text->cursor.par()->id();
-#endif
        }
-       return state.str().c_str();
+#ifdef DEVEL_VERSION
+       state << _(", Paragraph: ") << text->cursor.par()->id();
+       state << "  Inset: " <<
+               (text->cursor.par()->inInset() ? text->cursor.par()->inInset()->id() : -1);
+#endif
+       return STRCONV(state.str());
 }
 
 
-/* -------> Does the actual toggle job of the XxxCB() calls above.
+/* Does the actual toggle job of the calls above.
  * Also shows the current font state.
  */
 void toggleAndShow(BufferView * bv, LyXFont const & font, bool toggleall)
 {
-       if (bv->available()) { 
-               if (bv->theLockingInset()) {
-                       bv->theLockingInset()->setFont(bv, font, toggleall);
-                       return;
-               }
-               LyXText * text = bv->getLyXText();
-               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 (!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->update(text, BufferView::SELECT);
+       text->toggleFree(font, toggleall);
+       bv->update(text, BufferView::SELECT);
+
+       if (font.language() != ignore_language ||
+           font.number() != LyXFont::IGNORE) {
+               LyXCursor & cursor = text->cursor;
+               text->computeBidiTables(bv->buffer(), text->cursorRow());
+               if (cursor.boundary() !=
+                   text->isBoundary(bv->buffer(), *cursor.par(), cursor.pos(),
+                                    text->real_current_font))
+                       text->setCursor(cursor.par(), cursor.pos(),
+                                       false, !cursor.boundary());
        }
 }
+
+}; // namespace bv_funcs