* 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.
#ifndef INSETBASE_H
#define INSETBASE_H
+#include "ColorCode.h"
#include "InsetCode.h"
+#include "Layout.h"
-#include "Dimension.h"
+#include "support/strfwd.h"
+#include "support/types.h"
-#include "support/docstream.h"
-
-#include <memory>
-#include <vector>
namespace lyx {
class BufferParams;
class BufferView;
class Change;
-class Color_color;
+class CompletionList;
class Cursor;
class CursorSlice;
+class Dimension;
+class DocIterator;
class FuncRequest;
class FuncStatus;
+class InsetCollapsable;
class InsetIterator;
class InsetLayout;
+class InsetList;
class InsetMath;
+class InsetTabular;
class InsetText;
class LaTeXFeatures;
class Lexer;
class MetricsInfo;
class OutputParams;
class PainterInfo;
-class Paragraph;
class ParConstIterator;
class ParIterator;
class Text;
class TocList;
-class EmbeddedFile;
-class EmbeddedFiles;
-
namespace graphics { class PreviewLoader; }
+/** returns the InsetCode corresponding to the \c name.
+* Eg, insetCode("branch") == BRANCH_CODE
+* Implemented in 'Inset.cpp'.
+*/
+InsetCode insetCode(std::string const & name);
+/// the other way
+std::string insetName(InsetCode);
+
/// Common base class to all insets
// Do not add _any_ (non-static) data members as this would inflate
class Inset {
public:
+ ///
+ enum EntryDirection {
+ ENTRY_DIRECTION_IGNORE,
+ ENTRY_DIRECTION_RIGHT,
+ ENTRY_DIRECTION_LEFT,
+ };
///
typedef ptrdiff_t difference_type;
/// short of anything else reasonable
/// virtual base class destructor
virtual ~Inset() {}
+ /// change associated Buffer
+ /// FIXME this should go.
+ virtual void setBuffer(Buffer & buffer);
+ /// retrieve associated Buffer
+ virtual Buffer & buffer();
+ virtual Buffer const & buffer() const;
+ /// This checks whether the Buffer * actually points to an open
+ /// Buffer. It might not if that Buffer has been closed.
+ 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 updateLabels(buffer()) is
+ * 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; }
/// true for 'math' math inset, but not for e.g. mbox
virtual bool inMathed() const { return false; }
- /// is this inset based on the TextInset class?
- virtual InsetText * asTextInset() { return 0; }
- /// is this inset based on the TextInset class?
- virtual InsetText const * asTextInset() const { return 0; }
-
+ /// is this inset based on the InsetText class?
+ virtual InsetText * asInsetText() { return 0; }
+ /// is this inset based on the InsetText class?
+ virtual InsetText const * asInsetText() const { return 0; }
+ /// is this inset based on the InsetCollapsable 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; }
+
/// the real dispatcher
void dispatch(Cursor & cur, FuncRequest & cmd);
/**
FuncStatus & status) const;
/// cursor enters
- virtual void edit(Cursor & cur, bool left);
+ virtual void edit(Cursor & cur, bool front,
+ EntryDirection entry_from = ENTRY_DIRECTION_IGNORE);
/// cursor enters
virtual Inset * editXY(Cursor & cur, int x, int y);
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 * bv) const;
+ virtual bool editing(BufferView const * bv) const;
///
virtual bool showInsetDialog(BufferView *) const { return false; }
virtual void cursorPos(BufferView const & bv,
CursorSlice const & sl, bool boundary, int & x, int & y) const;
- /// is this an inset that can be moved into?
- /// FIXME: merge with editable()
- virtual bool isActive() const { return nargs() > 0; }
+ ///
+ 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; }
+
/// Where should we go when we press the up or down cursor key?
virtual bool idxUpDown(Cursor & cur, bool up) const;
- /// Move one cell to the left
- virtual bool idxLeft(Cursor &) const { return false; }
- /// Move one cell to the right
- virtual bool idxRight(Cursor &) const { return false; }
+ /// Move one cell backwards
+ virtual bool idxBackward(Cursor &) const { return false; }
+ /// Move one cell forward
+ virtual bool idxForward(Cursor &) const { return false; }
- /// Move one physical cell up
+ /// Move to the next cell
virtual bool idxNext(Cursor &) const { return false; }
- /// Move one physical cell down
+ /// Move to the previous cell
virtual bool idxPrev(Cursor &) const { return false; }
- /// Target pos when we enter the inset from the left by pressing "Right"
+ /// Target pos when we enter the inset while moving forward
virtual bool idxFirst(Cursor &) const { return false; }
- /// Target pos when we enter the inset from the right by pressing "Left"
+ /// Target pos when we enter the inset while moving backwards
virtual bool idxLast(Cursor &) const { return false; }
/// Delete a cell and move cursor
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.
- virtual bool notifyCursorLeaves(Cursor &) { 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 enter or leave this inset
/// return true if this inset needs repaint
virtual bool setMouseHover(bool) { 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 {}
/// 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;
+ /// LyX HTML output
+ virtual void xhtml(odocstream & os, 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, url)
- - 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
- };
+ virtual void tocString(odocstream &) const {}
+
/// what appears in the minibuffer when opening
- virtual docstring const editMessage() const;
- ///
- virtual EDITABLE editable() const;
+ virtual docstring editMessage() 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?
+ // true for InsetCaption, InsetCollapsables (not ButtonOnly), InsetTabular
virtual bool descendable() 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; }
+
/// 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 the InsetCode corresponding to the \c name.
- * Eg, translate("branch") == BRANCH_CODE
- */
- static InsetCode translate(std::string const & name);
+ /// 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;
+
+ /// \return Context menu identifier for this inset.
+ /// This default implementation returns an empty string.
+ virtual docstring contextMenu(BufferView const & bv, int x, int y) const;
+
+ // FIXME This should really disappear in favor of
+ // docstring name() const { return from_ascii(insetName(lyxCode()))); }
+ // There's no reason to be using different names in different places.
+ // But to do this we would need to change the file format, since the names
+ // used there don't correspond to what is used here.
///
- virtual docstring name() const { return from_ascii("unknown"); }
+ virtual docstring name() const;
///
virtual InsetLayout const & getLayout(BufferParams const & bp) const;
/// used to toggle insets
/// 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;
///
* defaults to empty.
*/
virtual void addPreview(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 &, EmbeddedFiles &) 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 { return; }
+ virtual void fillWithBibKeys(BiblioInfo &, InsetIterator const &) const {}
/// Update the counters of this inset and of its contents
- virtual void updateLabels(Buffer const &, ParIterator const &) {}
+ virtual void updateLabels(ParIterator const &) {}
+ /// Updates the inset's dialog
+ virtual Buffer const * updateFrontend() const;
public:
/// returns LyX code associated with the inset. Used for TOC, ...)
///
int scroll() const { return 0; }
///
- virtual Color_color backgroundColor() const;
+ virtual ColorCode backgroundColor() const;
///
enum CollapseStatus {
Collapsed,
enum { TEXT_TO_INSET_OFFSET = 4 };
protected:
- Inset();
+ /// Constructors
+ Inset() : buffer_(0) {}
+ Inset(Inset const &) : buffer_(0) {}
/// replicate ourselves
- friend class Paragraph;
+ friend class InsetList;
friend class MathAtom;
virtual Inset * clone() const = 0;
* \sa getStatus
*/
virtual void doDispatch(Cursor & cur, FuncRequest & cmd);
-};
-
-
-/**
- * returns true if pointer argument is valid
- * and points to an editable inset
- */
-bool isEditableInset(Inset const * inset);
-
-
-/**
- * returns true if pointer argument is valid
- * and points to a highly editable inset
- */
-bool isHighlyEditableInset(Inset const * inset);
+ Buffer * buffer_;
+};
} // namespace lyx