]> git.lyx.org Git - lyx.git/blobdiff - src/BufferView.cpp
Kornel's gcc compile fix.
[lyx.git] / src / BufferView.cpp
index 7b1b778dd62cc4f6539714753ebd2cdec39ce364..82399c77b74ac6b176b9378dfa835e846493a44e 100644 (file)
 #include "InsetIterator.h"
 #include "Language.h"
 #include "LaTeXFeatures.h"
+#include "LayoutFile.h"
+#include "Lexer.h"
 #include "LyX.h"
+#include "LyXAction.h"
 #include "lyxfind.h"
 #include "LyXFunc.h"
 #include "Layout.h"
@@ -82,6 +85,7 @@
 #include <fstream>
 #include <functional>
 #include <iterator>
+#include <sstream>
 #include <vector>
 
 using namespace std;
@@ -272,6 +276,9 @@ struct BufferView::Private
 
        /// Cache for Find Next
        FuncRequest search_request_cache_;
+
+       ///
+       map<string, Inset *> edited_insets_;
 };
 
 
@@ -894,12 +901,122 @@ bool BufferView::scrollToCursor(DocIterator const & dit, bool recenter)
 }
 
 
+void BufferView::updateLayout(DocumentClass const * const oldlayout)
+{
+       message(_("Converting document to new document class..."));
+       
+       StableDocIterator backcur(d->cursor_);
+       ErrorList & el = buffer_.errorList("Class Switch");
+       cap::switchBetweenClasses(
+                       oldlayout, buffer_.params().documentClassPtr(),
+                       static_cast<InsetText &>(buffer_.inset()), el);
+
+       setCursor(backcur.asDocIterator(&buffer_));
+
+       buffer_.errors("Class Switch");
+       buffer_.updateLabels();
+}
+
+/** Return the change status at cursor position, taking in account the
+ * status at each level of the document iterator (a table in a deleted
+ * footnote is deleted).
+ * When \param outer is true, the top slice is not looked at.
+ */
+static Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
+{
+       size_t const depth = dit.depth() - (outer ? 1 : 0);
+
+       for (size_t i = 0 ; i < depth ; ++i) {
+               CursorSlice const & slice = dit[i];
+               if (!slice.inset().inMathed()
+                   && slice.pos() < slice.paragraph().size()) {
+                       Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
+                       if (ch != Change::UNCHANGED)
+                               return ch;
+               }
+       }
+       return Change::UNCHANGED;
+}
+
+
+static bool getLocalStatus(Cursor cursor, FuncRequest const & cmd, FuncStatus & status)
+{
+       // Try to fix cursor in case it is broken.
+       cursor.fixIfBroken();
+
+       // This is, of course, a mess. Better create a new doc iterator and use
+       // this in Inset::getStatus. This might require an additional
+       // BufferView * arg, though (which should be avoided)
+       //Cursor safe = *this;
+       bool res = false;
+       for ( ; cursor.depth(); cursor.pop()) {
+               //lyxerr << "\nCursor::getStatus: cmd: " << cmd << endl << *this << endl;
+               LASSERT(cursor.idx() <= cursor.lastidx(), /**/);
+               LASSERT(cursor.pit() <= cursor.lastpit(), /**/);
+               LASSERT(cursor.pos() <= cursor.lastpos(), /**/);
+
+               // The inset's getStatus() will return 'true' if it made
+               // a definitive decision on whether it want to handle the
+               // request or not. The result of this decision is put into
+               // the 'status' parameter.
+               if (cursor.inset().getStatus(cursor, cmd, status)) {
+                       res = true;
+                       break;
+               }
+       }
+       return res;
+}
+
+
 bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
 {
+       // Can we use a readonly buffer?
+       if (buffer_.isReadonly()
+           && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
+           && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
+               flag.message(from_utf8(N_("Document is read-only")));
+               flag.setEnabled(false);
+               return true;
+       }
+       // Are we in a DELETED change-tracking region?
+       if (lookupChangeType(d->cursor_, true) == Change::DELETED
+           && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
+           && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
+               flag.message(from_utf8(N_("This portion of the document is deleted.")));
+               flag.setEnabled(false);
+               return true;
+       }
+
        Cursor & cur = d->cursor_;
 
+       // Is this a function that acts on inset at point?
+       Inset * inset = cur.nextInset();
+       if (lyxaction.funcHasFlag(cmd.action, LyXAction::AtPoint)
+           && inset && inset->getStatus(cur, cmd, flag))
+               return true;
+
+       if (getLocalStatus(cur, cmd, flag))
+               return true;
+
        switch (cmd.action) {
 
+       // FIXME: This is a bit problematic because we don't check is this is a
+       // document BufferView or not for these LFUNs. We probably have to
+       // dispatch both to currentBufferView() and, if that fails,
+       // to documentBufferView(); same as we do know for current Buffer and
+       // document Buffer. Ideally those LFUN should go to Buffer as they*
+       // operate on the full Buffer and the cursor is only needed either for
+       // an Undo record or to restore a cursor position. But we don't know
+       // how to do that inside Buffer of course.
+       case LFUN_BUFFER_PARAMS_APPLY:
+       case LFUN_LAYOUT_MODULES_CLEAR:
+       case LFUN_LAYOUT_MODULE_ADD:
+       case LFUN_LAYOUT_RELOAD:
+       case LFUN_TEXTCLASS_APPLY:
+       case LFUN_TEXTCLASS_LOAD:
+               flag.setEnabled(!buffer_.isReadonly());
+               break;
+
        case LFUN_UNDO:
                flag.setEnabled(buffer_.undo().hasUndoStack());
                break;
@@ -922,6 +1039,8 @@ bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
        case LFUN_NOTE_NEXT:
        case LFUN_REFERENCE_NEXT:
        case LFUN_WORD_FIND:
+       case LFUN_WORD_FIND_FORWARD:
+       case LFUN_WORD_FIND_BACKWARD:
        case LFUN_WORD_FINDADV:
        case LFUN_WORD_REPLACE:
        case LFUN_MARK_OFF:
@@ -935,6 +1054,10 @@ bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
        case LFUN_ALL_INSETS_TOGGLE:
        case LFUN_STATISTICS:
        case LFUN_BRANCH_ADD_INSERT:
+       case LFUN_KEYMAP_OFF:
+       case LFUN_KEYMAP_PRIMARY:
+       case LFUN_KEYMAP_SECONDARY:
+       case LFUN_KEYMAP_TOGGLE:
                flag.setEnabled(true);
                break;
 
@@ -1026,6 +1149,31 @@ bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                flag.setEnabled(!cur.inset().getLayout().isPassThru());
                break;
 
+       case LFUN_CITATION_INSERT: {
+               FuncRequest fr(LFUN_INSET_INSERT, "citation");
+               // FIXME: This could turn in a recursive hell.
+               // Shouldn't we use Buffer::getStatus() instead?
+               flag.setEnabled(lyx::getStatus(fr).enabled());
+               break;
+       }
+       case LFUN_INSET_APPLY: {
+               string const name = cmd.getArg(0);
+               Inset * inset = editedInset(name);
+               if (inset) {
+                       FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
+                       FuncStatus fs;
+                       if (!inset->getStatus(cur, fr, fs)) {
+                               // Every inset is supposed to handle this
+                               LASSERT(false, break);
+                       }
+                       flag |= fs;
+               } else {
+                       FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
+                       flag |= lyx::getStatus(fr);
+               }
+               break;
+       }
+
        default:
                flag.setEnabled(false);
                return false;
@@ -1035,6 +1183,19 @@ bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
 }
 
 
+Inset * BufferView::editedInset(string const & name) const
+{
+       map<string, Inset *>::const_iterator it = d->edited_insets_.find(name);
+       return it == d->edited_insets_.end() ? 0 : it->second;
+}
+
+
+void BufferView::editInset(string const & name, Inset * inset)
+{
+       d->edited_insets_[name] = inset;
+}
+
+
 bool BufferView::dispatch(FuncRequest const & cmd)
 {
        //lyxerr << [ cmd = " << cmd << "]" << endl;
@@ -1046,10 +1207,108 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                << " y[" << cmd.y << ']'
                << " button[" << cmd.button() << ']');
 
+       string const argument = to_utf8(cmd.argument());
        Cursor & cur = d->cursor_;
 
+       // Don't dispatch function that does not apply to internal buffers.
+       if (buffer_.isInternal() && lyxaction.funcHasFlag(cmd.action, LyXAction::NoInternal))
+               return false;
+
+       // We'll set this back to false if need be.
+       bool dispatched = true;
+       if (cmd.action != LFUN_UNDO && cmd.action != LFUN_REDO)
+               buffer_.undo().beginUndoGroup();
+
        switch (cmd.action) {
 
+       case LFUN_BUFFER_PARAMS_APPLY: {
+               DocumentClass const * const oldClass = buffer_.params().documentClassPtr();
+               cur.recordUndoFullDocument();
+               istringstream ss(to_utf8(cmd.argument()));
+               Lexer lex;
+               lex.setStream(ss);
+               int const unknown_tokens = buffer_.readHeader(lex);
+               if (unknown_tokens != 0) {
+                       LYXERR0("Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
+                                               << unknown_tokens << " unknown token"
+                                               << (unknown_tokens == 1 ? "" : "s"));
+               }
+               updateLayout(oldClass);
+                       
+               // We are most certainly here because of a change in the document
+               // It is then better to make sure that all dialogs are in sync with
+               // current document settings.
+               processUpdateFlags(Update::Force | Update::FitCursor);
+               break;
+       }
+               
+       case LFUN_LAYOUT_MODULES_CLEAR: {
+               DocumentClass const * const oldClass =
+                       buffer_.params().documentClassPtr();
+               cur.recordUndoFullDocument();
+               buffer_.params().clearLayoutModules();
+               buffer_.params().makeDocumentClass();
+               updateLayout(oldClass);
+               processUpdateFlags(Update::Force | Update::FitCursor);
+               break;
+       }
+
+       case LFUN_LAYOUT_MODULE_ADD: {
+               BufferParams const & params = buffer_.params();
+               if (!params.moduleCanBeAdded(argument)) {
+                       LYXERR0("Module `" << argument << 
+                               "' cannot be added due to failed requirements or "
+                               "conflicts with installed modules.");
+                       break;
+               }
+               DocumentClass const * const oldClass = params.documentClassPtr();
+               cur.recordUndoFullDocument();
+               buffer_.params().addLayoutModule(argument);
+               buffer_.params().makeDocumentClass();
+               updateLayout(oldClass);
+               processUpdateFlags(Update::Force | Update::FitCursor);
+               break;
+       }
+
+       case LFUN_TEXTCLASS_APPLY: {
+               if (!LayoutFileList::get().load(argument, buffer_.temppath()) &&
+                       !LayoutFileList::get().load(argument, buffer_.filePath()))
+                       break;
+
+               LayoutFile const * old_layout = buffer_.params().baseClass();
+               LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
+
+               if (old_layout == new_layout)
+                       // nothing to do
+                       break;
+
+               //Save the old, possibly modular, layout for use in conversion.
+               DocumentClass const * const oldDocClass =
+                       buffer_.params().documentClassPtr();
+               cur.recordUndoFullDocument();
+               buffer_.params().setBaseClass(argument);
+               buffer_.params().makeDocumentClass();
+               updateLayout(oldDocClass);
+               processUpdateFlags(Update::Force | Update::FitCursor);
+               break;
+       }
+
+       case LFUN_TEXTCLASS_LOAD:
+               LayoutFileList::get().load(argument, buffer_.temppath()) ||
+               LayoutFileList::get().load(argument, buffer_.filePath());
+               break;
+
+       case LFUN_LAYOUT_RELOAD: {
+               DocumentClass const * const oldClass = buffer_.params().documentClassPtr();
+               LayoutFileIndex bc = buffer_.params().baseClassID();
+               LayoutFileList::get().reset(bc);
+               buffer_.params().setBaseClass(bc);
+               buffer_.params().makeDocumentClass();
+               updateLayout(oldClass);
+               processUpdateFlags(Update::Force | Update::FitCursor);
+               break;
+       }
+
        case LFUN_UNDO:
                cur.message(_("Undo"));
                cur.clearSelection();
@@ -1225,6 +1484,28 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                processUpdateFlags(Update::Force | Update::FitCursor);
                break;
 
+       case LFUN_WORD_FIND_FORWARD:
+       case LFUN_WORD_FIND_BACKWARD: {
+               static docstring last_search;
+               docstring searched_string;
+
+               if (!cmd.argument().empty()) {
+                       last_search = cmd.argument();
+                       searched_string = cmd.argument();
+               } else {
+                       searched_string = last_search;
+               }
+
+               if (searched_string.empty())
+                       break;
+
+               bool const fw = cmd.action == LFUN_WORD_FIND_FORWARD;
+               docstring const data =
+                       find2string(searched_string, true, false, fw);
+               find(this, FuncRequest(LFUN_WORD_FIND, data));
+               break;
+       }
+
        case LFUN_WORD_FIND: {
                FuncRequest req = cmd;
                if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
@@ -1528,12 +1809,85 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                break;
        }
 
+       case LFUN_KEYMAP_OFF:
+               getIntl().keyMapOn(false);
+               break;
+
+       case LFUN_KEYMAP_PRIMARY:
+               getIntl().keyMapPrim();
+               break;
+
+       case LFUN_KEYMAP_SECONDARY:
+               getIntl().keyMapSec();
+               break;
+
+       case LFUN_KEYMAP_TOGGLE:
+               getIntl().toggleKeyMap();
+               break;
+
+       case LFUN_DIALOG_SHOW_NEW_INSET: {
+               string const name = cmd.getArg(0);
+               string data = trim(to_utf8(cmd.argument()).substr(name.size()));
+               if (decodeInsetParam(name, data, buffer_))
+                       lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
+               else
+                       lyxerr << "Inset type '" << name << 
+                       "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" <<  endl;
+               break;
+       }
+
+       case LFUN_CITATION_INSERT: {
+               if (argument.empty()) {
+                       lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
+                       break;
+               }
+               // we can have one optional argument, delimited by '|'
+               // citation-insert <key>|<text_before>
+               // this should be enhanced to also support text_after
+               // and citation style
+               string arg = argument;
+               string opt1;
+               if (contains(argument, "|")) {
+                       arg = token(argument, '|', 0);
+                       opt1 = token(argument, '|', 1);
+               }
+               InsetCommandParams icp(CITE_CODE);
+               icp["key"] = from_utf8(arg);
+               if (!opt1.empty())
+                       icp["before"] = from_utf8(opt1);
+               string icstr = InsetCommand::params2string("citation", icp);
+               FuncRequest fr(LFUN_INSET_INSERT, icstr);
+               lyx::dispatch(fr);
+               break;
+       }
+
+       case LFUN_INSET_APPLY: {
+               string const name = cmd.getArg(0);
+               Inset * inset = editedInset(name);
+               if (!inset) {
+                       FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
+                       lyx::dispatch(fr);
+                       break;
+               }
+               // put cursor in front of inset.
+               if (!setCursorFromInset(inset)) {
+                       LASSERT(false, break);
+               }
+               cur.recordUndo();
+               FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
+               inset->dispatch(cur, fr);
+               processUpdateFlags(Update::SinglePar | Update::FitCursor);
+               break;
+       }
 
        default:
-               return false;
+               dispatched = false;
+               break;
        }
 
-       return true;
+       if (cmd.action != LFUN_UNDO && cmd.action != LFUN_REDO)
+               buffer_.undo().endUndoGroup();
+       return dispatched;
 }
 
 
@@ -1808,6 +2162,7 @@ void BufferView::setCursorFromRow(int row)
                buffer_.text().setCursor(d->cursor_, 0, 0);
        else
                buffer_.text().setCursor(d->cursor_, buffer_.getParFromID(tmpid).pit(), tmppos);
+       recenter();
 }