* Licence details can be found in the file COPYING.
*
* \author Alejandro Aguilar Sierra
- * \author Jürgen Vigna
- * \author Lars Gullik Bjønnes
+ * \author Jürgen Vigna
+ * \author Lars Gullik Bjønnes
* \author Matthias Ettrich
*
* Full author contact details are available in file CREDITS.
#include "ColorCode.h"
#include "InsetCode.h"
+#include "Layout.h"
+#include "OutputEnums.h"
#include "support/strfwd.h"
+#include "support/types.h"
-#include <vector>
namespace lyx {
class BiblioInfo;
class Buffer;
-class BufferParams;
class BufferView;
class Change;
+class CompletionList;
class Cursor;
class CursorSlice;
class Dimension;
+class DocIterator;
class FuncRequest;
class FuncStatus;
class InsetCollapsable;
+class InsetCommand;
class InsetIterator;
class InsetLayout;
class InsetList;
class InsetMath;
+class InsetTabular;
class InsetText;
class LaTeXFeatures;
class Lexer;
class ParIterator;
class Text;
class TocList;
-class EmbeddedFile;
-class EmbeddedFileList;
-
+class XHTMLStream;
namespace graphics { class PreviewLoader; }
+/// returns the InsetCode corresponding to the \c name.
+/// Eg, insetCode("branch") == BRANCH_CODE
+InsetCode insetCode(std::string const & name);
+/// returns the Inset name corresponding to the \c InsetCode.
+/// Eg, insetName(BRANCH_CODE) == "branch"
+std::string insetName(InsetCode);
+/// returns the Inset name corresponding to the \c InsetCode.
+/// Eg, insetDisplayName(BRANCH_CODE) == _("Branch")
+docstring insetDisplayName(InsetCode);
+
/// Common base class to all insets
// Do not add _any_ (non-static) data members as this would inflate
/// virtual base class destructor
virtual ~Inset() {}
+ /// change associated Buffer
+ virtual void setBuffer(Buffer & buffer);
+ /// remove the buffer reference
+ void resetBuffer() { setBuffer( *static_cast<Buffer *>(0)); }
+ /// retrieve associated Buffer
+ virtual Buffer & buffer();
+ virtual Buffer const & buffer() const;
+ /// Returns true if buffer_ actually points to a Buffer that has
+ /// been loaded into LyX and is still open. Note that this will
+ /// always return false for cloned Buffers. If you want to allow
+ /// for the case of cloned Buffers, use isBufferValid().
+ bool isBufferLoaded() const;
+ /// Returns true if this is a loaded buffer or a cloned buffer.
+ bool isBufferValid() const;
+
+ /// initialize view for this inset.
+ /**
+ * This is typically used after this inset is created interactively.
+ * Intented purpose is to sanitize internal state with regard to current
+ * Buffer. The default implementation calls buffer().updateBuffer() if
+ * the inset is labeled.
+ *
+ * \sa isLabeled()
+ **/
+ virtual void initView() {};
+ /// \return true if this inset is labeled.
+ virtual bool isLabeled() const { return false; }
+
/// identification as math inset
virtual InsetMath * asInsetMath() { return 0; }
+ /// identification as math inset
+ virtual InsetMath const * asInsetMath() const { return 0; }
/// true for 'math' math inset, but not for e.g. mbox
virtual bool inMathed() const { return false; }
/// is this inset based on the InsetText class?
virtual InsetCollapsable * asInsetCollapsable() { return 0; }
/// is this inset based on the InsetCollapsable class?
virtual InsetCollapsable const * asInsetCollapsable() const { return 0; }
+ /// is this inset based on the InsetTabular class?
+ virtual InsetTabular * asInsetTabular() { return 0; }
+ /// is this inset based on the InsetTabular class?
+ virtual InsetTabular const * asInsetTabular() const { return 0; }
+ /// is this inset based on the InsetCommand class?
+ virtual InsetCommand * asInsetCommand() { return 0; }
+ /// is this inset based on the InsetCommand class?
+ virtual InsetCommand const * asInsetCommand() const { return 0; }
/// the real dispatcher
void dispatch(Cursor & cur, FuncRequest & cmd);
virtual Inset * editXY(Cursor & cur, int x, int y);
/// compute the size of the object returned in dim
- /// \retval true if metrics changed.
virtual void metrics(MetricsInfo & mi, Dimension & dim) const = 0;
/// draw inset and update (xo, yo)-cache
virtual void draw(PainterInfo & pi, int x, int y) const = 0;
/// draw inset selection if necessary
virtual void drawSelection(PainterInfo &, int, int) const {}
+ /// draw inset background if the inset has an own background and a
+ /// selection is drawn by drawSelection.
+ virtual void drawBackground(PainterInfo &, int, int) const {}
///
virtual bool editing(BufferView const * bv) const;
///
- virtual bool showInsetDialog(BufferView *) const { return false; }
+ virtual bool showInsetDialog(BufferView *) const;
/// draw inset decoration if necessary.
/// This can use \c drawMarkers() for example.
virtual void cursorPos(BufferView const & bv,
CursorSlice const & sl, bool boundary, int & x, int & y) const;
- ///
- virtual bool isFreeSpacing() const { return false; }
- ///
- virtual bool allowEmpty() const { return false; }
- /// Force inset into LTR environment if surroundings are RTL?
- virtual bool forceLTR() const { return false; }
+ /// Allow multiple blanks
+ virtual bool isFreeSpacing() const;
+ /// Don't eliminate empty paragraphs
+ virtual bool allowEmpty() const;
+ /// Force inset into LTR environment if surroundings are RTL
+ virtual bool forceLTR() const;
+ /// whether to include this inset in the strings generated for the TOC
+ virtual bool isInToc() const;
- /// is this an inset that can be moved into?
- /// FIXME: merge with editable()
- virtual bool isActive() const { return nargs() > 0; }
/// Where should we go when we press the up or down cursor key?
virtual bool idxUpDown(Cursor & cur, bool up) const;
/// Move one cell backwards
virtual col_type col(idx_type) const { return 0; }
/// to which row belongs a cell with a given index?
virtual row_type row(idx_type) const { return 0; }
- /// cell idex corresponding to row and column;
+ /// cell index corresponding to row and column;
virtual idx_type index(row_type row, col_type col) const;
/// any additional x-offset when drawing a cell?
virtual int cellXOffset(idx_type) const { return 0; }
virtual size_t nrows() const { return 0; }
/// number of columns in gridlike structures
virtual size_t ncols() const { return 0; }
- /// is called when the cursor leaves this inset
- /// returns true if cursor is now invalid. The cursor parameter
- /// is _not_ necessarily pointing to the inset.
- virtual bool notifyCursorLeaves(Cursor &) { return false; }
- /// is called when the mouse enter or leave this inset
- /// return true if this inset needs repaint
- virtual bool setMouseHover(bool) { return false; }
+ /// Is called when the cursor leaves this inset.
+ /// Returns true if cursor is now invalid, e.g. if former
+ /// insets in higher cursor slices of \c old do not exist
+ /// anymore.
+ /// \c old is the old cursor, the last slice points to this.
+ /// \c cur is the new cursor. Use the update flags to cause a redraw.
+ virtual bool notifyCursorLeaves(Cursor const & /*old*/, Cursor & /*cur*/)
+ { return false; }
+ /// Is called when the cursor enters this inset.
+ /// Returns true if cursor is now invalid, e.g. if former
+ /// insets in higher cursor slices of \c old do not exist
+ /// anymore.
+ /// \c cur is the new cursor, some slice points to this. Use the update
+ /// flags to cause a redraw.
+ virtual bool notifyCursorEnters(Cursor & /*cur*/)
+ { return false; }
+ /// is called when the mouse enters or leaves this inset
+ /// return true if this inset needs a repaint
+ virtual bool setMouseHover(BufferView const *, bool) const
+ { return false; }
/// return true if this inset is hovered (under mouse)
/// This is by now only used by mathed to draw corners
/// (Inset::drawMarkers() and Inset::drawMarkers2()).
/// Other insets do not have to redefine this function to
/// return the correct status of mouseHovered.
- virtual bool mouseHovered() const { return false; }
+ virtual bool mouseHovered(BufferView const *) const { return false; }
/// request "external features"
virtual void validate(LaTeXFeatures &) const {}
- /// Appends \c list with all labels found within this inset.
- virtual void getLabelList(Buffer const &,
- std::vector<docstring> & /* list */) const {}
+
+ /// Validate LFUN_INSET_MODIFY argument.
+ virtual bool validateModifyArgument(docstring const &) const { return true; }
/// describe content if cursor inside
virtual void infoize(odocstream &) const {}
/// describe content if cursor behind
virtual void infoize2(odocstream &) const {}
- enum {
- PLAINTEXT_NEWLINE = 10000
- };
+ enum { PLAINTEXT_NEWLINE = 10000 };
/// plain text output in ucs4 encoding
/// return the number of characters; in case of multiple lines of
/// output, add PLAINTEXT_NEWLINE to the number of chars in the last line
- virtual int plaintext(Buffer const &, odocstream &,
- OutputParams const &) const = 0;
+ virtual int plaintext(odocstream &, OutputParams const &) const = 0;
/// docbook output
- virtual int docbook(Buffer const &, odocstream & os,
- OutputParams const &) const;
+ virtual int docbook(odocstream & os, OutputParams const &) const;
+ /// XHTML output
+ /// the inset is expected to write XHTML to the XHTMLStream
+ /// \return any "deferred" material that should be written outside the
+ /// normal stream, and which will in fact be written after the current
+ /// paragraph closes. this is appropriate e.g. for floats.
+ virtual docstring xhtml(XHTMLStream & xs, OutputParams const &) const;
/// the string that is passed to the TOC
- virtual void textString(Buffer const &, odocstream &) const {}
-
- /** This enum indicates by which means the inset can be modified:
- - NOT_EDITABLE: the inset's content cannot be modified at all
- (e.g. printindex, insetspecialchar)
- - IS_EDITABLE: content can be edited via dialog (e.g. bibtex, index, href)
- - HIGHLY_EDITABLE: content can be edited on screen (normally means that
- insettext is contained, e.g. collapsables, tabular) */
- // FIXME: This has not yet been fully implemented to math insets
- enum EDITABLE {
- ///
- NOT_EDITABLE = 0,
- ///
- IS_EDITABLE,
- ///
- HIGHLY_EDITABLE
- };
- /// what appears in the minibuffer when opening
- virtual docstring const editMessage() const;
- ///
- virtual EDITABLE editable() const;
+ virtual void tocString(odocstream &) const {}
+
+ /// can the contents of the inset be edited on screen ?
+ // true for InsetCollapsables (not ButtonOnly) (not InsetInfo), InsetText
+ virtual bool editable() const;
+ /// has the Inset settings that can be modified in a dialog ?
+ virtual bool hasSettings() const;
/// can we go further down on mouse click?
- virtual bool descendable() const { return false; }
+ // true for InsetCaption, InsetCollapsables (not ButtonOnly), InsetTabular
+ virtual bool descendable(BufferView const &) const { return false; }
+ /// is this an inset that can be moved into?
+ /// FIXME: merge with editable()
+ // true for InsetTabular & InsetText
+ virtual bool isActive() const { return nargs() > 0; }
+ /// can we click at the specified position ?
+ virtual bool clickable(int, int) const { return false; }
+
/// does this contain text that can be change track marked in DVI?
virtual bool canTrackChanges() const { return false; }
/// return true if the inset should be removed automatically
virtual bool autoDelete() const;
+ /// Returns true if the inset supports completions.
+ virtual bool completionSupported(Cursor const &) const { return false; }
+ /// Returns true if the inset supports inline completions at the
+ /// cursor position. In this case the completion might be stored
+ /// in the BufferView's inlineCompletion property.
+ virtual bool inlineCompletionSupported(Cursor const & /*cur*/) const
+ { return false; }
+ /// Return true if the inline completion should be automatic.
+ virtual bool automaticInlineCompletion() const { return true; }
+ /// Return true if the popup completion should be automatic.
+ virtual bool automaticPopupCompletion() const { return true; }
+ /// Return true if the cursor should indicate a completion.
+ virtual bool showCompletionCursor() const { return true; }
+ /// Returns completion suggestions at cursor position. Return an
+ /// null pointer if no completion is a available or possible.
+ /// The caller is responsible to free the returned object!
+ virtual CompletionList const * createCompletionList(Cursor const &) const
+ { return 0; }
+ /// Returns the completion prefix to filter the suggestions for completion.
+ /// This is only called if completionList returned a non-null list.
+ virtual docstring completionPrefix(Cursor const &) const;
+ /// Do a completion at the cursor position. Return true on success.
+ /// The completion does not contain the prefix. If finished is true, the
+ /// completion is final. If finished is false, completion might only be
+ /// a partial completion.
+ virtual bool insertCompletion(Cursor & /*cur*/,
+ docstring const & /*completion*/, bool /*finished*/)
+ { return false; }
+ /// Get the completion inset position and size
+ virtual void completionPosAndDim(Cursor const &, int & /*x*/, int & /*y*/,
+ Dimension & /*dim*/) const {}
+
/// returns true if the inset can hold an inset of given type
virtual bool insetAllowed(InsetCode) const { return false; }
- /// if this inset has paragraphs should they be output all as default
- /// paragraphs with the default layout of the text class?
- virtual bool forceDefaultParagraphs(idx_type) const { return false; }
+ /// should this inset use the empty layout by default rather than
+ /// the standard layout? (default: only if that is forced.)
+ virtual bool usePlainLayout() const { return forcePlainLayout(); }
+ /// if this inset has paragraphs should they be forced to use the
+ /// empty layout?
+ virtual bool forcePlainLayout(idx_type = 0) const { return false; }
+ /// if this inset has paragraphs should the user be allowed to
+ /// customize alignment, etc?
+ virtual bool allowParagraphCustomization(idx_type = 0) const
+ { return true; }
/// Is the width forced to some value?
virtual bool hasFixedWidth() const { return false; }
+ /// Is the content of this inset part of the output document?
+ virtual bool producesOutput() const { return true; }
+
/// \return Tool tip for this inset.
/// This default implementation returns an empty string.
virtual docstring toolTip(BufferView const & bv, int x, int y) const;
///
virtual docstring name() const;
///
- virtual InsetLayout const & getLayout(BufferParams const & bp) const;
+ virtual InsetLayout const & getLayout() const;
+ /// Is this inset's layout defined in the document's textclass?
+ bool undefined() const;
/// used to toggle insets
/// is the inset open?
/// should this inset be handled like a normal charater
/// is this equivalent to a space (which is BTW different from
/// a line separator)?
virtual bool isSpace() const { return false; }
+ /// is this an expandible space (rubber length)?
+ virtual bool isStretchableSpace() const { return false; }
enum DisplayType {
Inline = 0,
/// should we have a non-filled line before this inset?
virtual DisplayType display() const { return Inline; }
+ ///
+ virtual LyXAlignment contentAlignment() const { return LYX_ALIGN_NONE; }
/// should we break lines after this inset?
virtual bool isLineSeparator() const { return false; }
/// should paragraph indendation be ommitted in any case?
- virtual bool neverIndent(Buffer const &) const { return false; }
+ virtual bool neverIndent() const { return false; }
/// dumps content to lyxerr
virtual void dump() const;
/// write inset in .lyx format
- virtual void write(Buffer const &, std::ostream &) const {}
+ virtual void write(std::ostream &) const {}
/// read inset in .lyx format
- virtual void read(Buffer const &, Lexer &) {}
+ virtual void read(Lexer &) {}
/** Export the inset to LaTeX.
* Don't use a temporary stringstream if the final output is
* supposed to go to a file.
* \sa Buffer::writeLaTeXSource for the reason.
* \return the number of rows (\n's) of generated LaTeX code.
*/
- virtual int latex(Buffer const &, odocstream &,
- OutputParams const &) const { return 0; }
+ virtual int latex(odocstream &, OutputParams const &) const { return 0; }
/// returns true to override begin and end inset in file
virtual bool directWrite() const;
///
* Most insets have no interest in this capability, so the method
* defaults to empty.
*/
- virtual void addPreview(graphics::PreviewLoader &) const {}
+ virtual void addPreview(DocIterator const &,
+ graphics::PreviewLoader &) const {}
+
+ /** Classifies the unicode characters appearing in a math inset
+ * depending on whether they are to be translated as latex
+ * math/text commands or used as math symbols without translation.
+ *
+ * Only math insets have interest in this classification, so the
+ * method defaults to empty.
+ */
+ virtual void initUnicodeMath() const {}
+
/// Add an entry to the TocList
/// pit is the ParConstIterator of the paragraph containing the inset
- virtual void addToToc(TocList &, Buffer const &, ParConstIterator const &) const {}
- /// report files that can be embedded with the lyx file
- virtual void registerEmbeddedFiles(Buffer const &, EmbeddedFileList &) const {}
- /// use embedded or external file after the embedding status of a file is changed
- virtual void updateEmbeddedFile(Buffer const &, EmbeddedFile const &) {}
+ virtual void addToToc(DocIterator const &) {}
/// Fill keys with BibTeX information
- virtual void fillWithBibKeys(Buffer const &,
- BiblioInfo &, InsetIterator const &) const {}
- /// Update the counters of this inset and of its contents
- virtual void updateLabels(Buffer const &, ParIterator const &) {}
+ virtual void fillWithBibKeys(BiblioInfo &, InsetIterator const &) const {}
+ /// Update the counters of this inset and of its contents.
+ /// The boolean indicates whether we are preparing for output, e.g.,
+ /// of XHTML.
+ virtual void updateBuffer(ParIterator const &, UpdateType) {}
/// Updates the inset's dialog
virtual Buffer const * updateFrontend() const;
enum mode_type {UNDECIDED_MODE, TEXT_MODE, MATH_MODE};
/// return text or mathmode if that is possible to determine
virtual mode_type currentMode() const { return UNDECIDED_MODE; }
+ /// returns whether changing mode during latex export is forbidden
+ virtual bool lockedMode() const { return false; }
+ /// returns whether only ascii chars are allowed during latex export
+ virtual bool asciiOnly() const { return false; }
/// returns whether this inset is allowed in other insets of given mode
virtual bool allowedIn(mode_type) const { return true; }
/**
/// set the change for the entire inset
virtual void setChange(Change const &) {}
/// accept the changes within the inset
- virtual void acceptChanges(BufferParams const &) {};
+ virtual void acceptChanges() {}
/// reject the changes within the inset
- virtual void rejectChanges(BufferParams const &) {};
+ virtual void rejectChanges() {}
///
virtual Dimension const dimension(BufferView const &) const;
///
int scroll() const { return 0; }
///
- virtual ColorCode backgroundColor() const;
+ virtual ColorCode backgroundColor(PainterInfo const &) const;
///
- enum CollapseStatus {
- Collapsed,
- Open
- };
- ///
- virtual void setStatus(Cursor &, CollapseStatus) {}
+ virtual ColorCode labelColor() const;
//
enum { TEXT_TO_INSET_OFFSET = 4 };
protected:
- Inset() {}
+ /// Constructors
+ Inset(Buffer * buf) : buffer_(buf) {}
+ Inset(Inset const &) : buffer_(0) {}
/// replicate ourselves
friend class InsetList;
* Gets normally called from Cursor::dispatch(). Cursor::dispatch()
* assumes the common case of 'LFUN handled, need update'.
* This has to be overriden by calling Cursor::undispatched() or
- * Cursor::noUpdate() if appropriate.
+ * Cursor::noScreenUpdate() if appropriate.
* If you need to call the dispatch method of some inset directly
* you may have to explicitly request an update at that place. Don't
* do it in doDispatch(), since that causes nested updates when
* \sa getStatus
*/
virtual void doDispatch(Cursor & cur, FuncRequest & cmd);
+
+ Buffer * buffer_;
};
} // namespace lyx