#ifndef INSETBASE_H
#define INSETBASE_H
-#include "Changes.h"
-#include "Dimension.h"
+#include "ColorCode.h"
+#include "InsetCode.h"
+#include "InsetLayout.h"
+#include "LayoutEnums.h"
+#include "OutputEnums.h"
-#include "support/docstream.h"
+#include "support/strfwd.h"
+#include "support/types.h"
+#include "support/FileNameList.h"
+
+#include <climits>
-#include <memory>
-#include <vector>
namespace lyx {
+class BiblioInfo;
class Buffer;
-class BufferParams;
class BufferView;
-class ParConstIterator;
+class Change;
+class CompletionList;
+class Cursor;
class CursorSlice;
+class Dimension;
+class DocIterator;
+class Encoding;
class FuncRequest;
class FuncStatus;
+class InsetArgument;
+class InsetCollapsible;
+class InsetCommand;
+class InsetGraphics;
+class InsetIterator;
+class InsetLayout;
+class InsetList;
class InsetMath;
+class InsetTabular;
class InsetText;
class LaTeXFeatures;
-class Color_color;
-class Cursor;
class Lexer;
-class Text;
+class MathAtom;
class MetricsInfo;
-class Dimension;
-class PainterInfo;
class OutputParams;
+class PainterInfo;
+class ParConstIterator;
+class ParIterator;
+class Text;
+class TocBackend;
class TocList;
-
+class XHTMLStream;
+class otexstream;
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);
+///
+static int const TOC_ENTRY_LENGTH = 120;
+
/// 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() {}
- /// replicate ourselves
- std::auto_ptr<Inset> clone() const;
+
+ /// change associated Buffer
+ virtual void setBuffer(Buffer & buffer);
+ /// reset associated Buffer to null value
+ virtual void resetBuffer();
+ /// retrieve associated Buffer
+ Buffer & buffer();
+ 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.
+ **/
+ 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 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 InsetCollapsible class?
+ virtual InsetCollapsible * asInsetCollapsible() { return 0; }
+ /// is this inset based on the InsetCollapsible class?
+ virtual InsetCollapsible const * asInsetCollapsible() 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; }
+ /// is this inset based on the InsetArgument class?
+ virtual InsetArgument const * asInsetArgument() const { return nullptr; }
+ /// is this inset based on the InsetGraphics class?
+ virtual InsetGraphics * asInsetGraphics() { return 0; }
+ /// is this inset based on the InsetGraphics class?
+ virtual InsetGraphics const * asInsetGraphics() const { return 0; }
+
/// the real dispatcher
void dispatch(Cursor & cur, FuncRequest & cmd);
/**
FuncStatus & status) const;
/// cursor enters
- virtual void edit(Cursor & cur, bool left);
- /// cursor enters
+ virtual void edit(Cursor & cur, bool front,
+ EntryDirection entry_from = ENTRY_DIRECTION_IGNORE);
+ /// sets cursor recursively descending into nested editable insets
+ /**
+ \return the inset pointer if x,y is covering that inset
+ \param x,y are absolute screen coordinates.
+ */
+ /// Note: this method must preserve the selection status. See:
+ /// https://www.mail-archive.com/lyx-devel@lists.lyx.org/msg199001.html
virtual Inset * editXY(Cursor & cur, int x, int y);
/// compute the size of the object returned in dim
- /// \retval true if metrics changed.
- virtual bool metrics(MetricsInfo & mi, Dimension & dim) const = 0;
+ 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 * bv) 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 drawDecoration(PainterInfo &, int, int) const {}
- /// draw four angular markers
- void drawMarkers(PainterInfo & pi, int x, int y) const;
/// draw two angular markers
- void drawMarkers2(PainterInfo & pi, int x, int y) const;
+ virtual void drawMarkers(PainterInfo & pi, int x, int y) const;
/// add space for markers
void metricsMarkers(Dimension & dim, int framesize = 1) const;
/// add space for markers
void metricsMarkers2(Dimension & dim, int framesize = 1) const;
+ /// draw inset decoration if necessary.
+ /// This can use \c drawMarkers() for example.
+ virtual void drawDecoration(PainterInfo &, int, int) const {}
+
+ /// last metrics computed for the inset
+ Dimension const dimension(BufferView const &) const;
/// last drawn position for 'important' insets
int xo(BufferView const & bv) const;
/// last drawn position for 'important' insets
int yo(BufferView const & bv) const;
- /// set x/y drawing position cache if available
- virtual void setPosCache(PainterInfo const &, int, int) const;
/// do we cover screen position x/y?
- virtual bool covers(BufferView const & bv, int x, int y) const;
+ bool covers(BufferView const & bv, int x, int y) const;
/// get the screen positions of the cursor (see note in Cursor.cpp)
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; }
+ /// 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;
+
/// 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; }
- /// any additional y-offset when drawing a cell?
- virtual int cellYOffset(idx_type) const { return 0; }
/// number of embedded cells
virtual size_t nargs() const { return 0; }
/// number of rows in gridlike structures
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 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
+ /// 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
+ /// 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(odocstringstream &, OutputParams const &,
+ size_t max_length = INT_MAX) const = 0;
/// docbook output
- virtual int docbook(Buffer const &, 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
- };
- /// what appears in the minibuffer when opening
- virtual docstring const editMessage() const;
- ///
- virtual EDITABLE editable() 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;
+
+ /// Writes a string representation of the inset to the odocstream.
+ /// This one should be called when you want the whole contents of
+ /// the inset.
+ virtual void toString(odocstream &) const {}
+ /// Appends a potentially abbreviated version of the inset to
+ /// \param str. Intended for use by the TOC.
+ virtual void forOutliner(docstring & str,
+ size_t const maxlen = TOC_ENTRY_LENGTH,
+ bool const shorten = true) const;
+
+ /// Can a cursor be put in there ?
+ /// Forced to false for insets that have hidden contents, like
+ /// InsetMathCommand and InsetInfo.
+ virtual bool isActive() const { return nargs() > 0; }
+ /// can the contents of the inset be edited on screen ?
+ // equivalent to isActive except for closed InsetCollapsible
+ 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, InsetCollapsibles (not ButtonOnly), InsetTabular
+ virtual bool descendable(BufferView const &) const { return false; }
+ /// can we click at the specified position ?
+ virtual bool clickable(BufferView const &, int, int) const { return false; }
+ /// Move one cell backwards
+ virtual bool allowsCaptionVariation(std::string const &) const { return false; }
+ // true for insets that have a table structure (InsetMathGrid, InsetTabular)
+ virtual bool isTable() const { return false; }
+
/// does this contain text that can be change track marked in DVI?
virtual bool canTrackChanges() const { return false; }
+ /// Will this inset paint its own change tracking status (in the parent
+ /// paragraph) or will it let RowPainter handle it?
+ virtual bool canPaintChange(BufferView const &) const { return false; }
/// return true if the inset should be removed automatically
virtual bool autoDelete() const;
- /** This is not quite the correct place for this enum. I think
- the correct would be to let each subclass of Inset declare
- its own enum code. Actually the notion of an Inset::Code
- should be avoided, but I am not sure how this could be done
- in a cleaner way. */
- enum Code {
- ///
- NO_CODE, // 0
- ///
- TOC_CODE, // do these insets really need a code? (ale)
- ///
- QUOTE_CODE,
- ///
- MARK_CODE,
- ///
- REF_CODE,
- ///
- URL_CODE, // 5
- ///
- HTMLURL_CODE,
- ///
- SEPARATOR_CODE,
- ///
- ENDING_CODE,
- ///
- LABEL_CODE,
- ///
- NOTE_CODE, // 10
- ///
- ACCENT_CODE,
- ///
- MATH_CODE,
- ///
- INDEX_CODE,
- ///
- INCLUDE_CODE,
- ///
- GRAPHICS_CODE, // 15
- ///
- BIBITEM_CODE,
- ///
- BIBTEX_CODE,
- ///
- TEXT_CODE,
- ///
- ERT_CODE,
- ///
- FOOT_CODE, // 20
- ///
- MARGIN_CODE,
- ///
- FLOAT_CODE,
- ///
- WRAP_CODE,
- ///
- SPACE_CODE, // 25
- ///
- SPECIALCHAR_CODE,
- ///
- TABULAR_CODE,
- ///
- EXTERNAL_CODE,
-#if 0
- ///
- THEOREM_CODE,
-#endif
- ///
- CAPTION_CODE,
- ///
- MATHMACRO_CODE, // 30
- ///
- CITE_CODE,
- ///
- FLOAT_LIST_CODE,
- ///
- INDEX_PRINT_CODE,
- ///
- OPTARG_CODE, // 35
- ///
- ENVIRONMENT_CODE,
- ///
- HFILL_CODE,
- ///
- NEWLINE_CODE,
- ///
- LINE_CODE,
- ///
- BRANCH_CODE, // 40
- ///
- BOX_CODE,
- ///
- CHARSTYLE_CODE,
- ///
- VSPACE_CODE,
- ///
- MATHMACROARG_CODE,
- ///
- NOMENCL_CODE, // 45
- ///
- NOMENCL_PRINT_CODE,
- ///
- PAGEBREAK_CODE,
- ///
- LISTINGS_CODE
- };
-
- /** returns the Code corresponding to the \c name.
- * Eg, translate("branch") == BRANCH_CODE
- */
- static Code 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(Code) 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; }
+ virtual bool insetAllowed(InsetCode) 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; }
+ /// if this inset has paragraphs should they be forced to use a
+ /// local font language switch?
+ virtual bool forceLocalFontSwitch() const { return false; }
+ /// Does the inset force a specific encoding?
+ virtual Encoding const * forcedEncoding(Encoding const *, Encoding const *) const
+ { return 0; }
+
+ /// Is the content of this inset part of the output document?
+ virtual bool producesOutput() const { return true; }
+ /// Is the content of this inset part of the immediate (visible) text sequence?
+ virtual bool isPartOfTextSequence() const { return producesOutput(); }
+
+ /// \return Tool tip for this inset.
+ /// This default implementation returns an empty string. This can be
+ /// either plain text or Qt html, and formatToolTip will be called
+ /// on it before display in both cases.
+ virtual docstring toolTip(BufferView const & bv, int x, int y) const;
+
+ /// \return Context menu identifier. This function determines
+ /// whose Inset's menu should be shown for the given position.
+ virtual std::string contextMenu(BufferView const & bv, int x, int y) const;
+
+ /// \return Context menu identifier for this inset.
+ /// This default implementation returns an empty string.
+ virtual std::string contextMenuName() const;
+
+
+ virtual docstring layoutName() const;
+ ///
+ virtual InsetLayout const & getLayout() const;
///
- virtual docstring name() const { return from_ascii("unknown"); }
- /// used to toggle insets
- /// is the inset open?
- /// should this inset be handled like a normal charater
+ virtual bool isPassThru() const { return getLayout().isPassThru(); }
+ /// Is this inset's layout defined in the document's textclass?
+ bool undefined() const;
+ /// should this inset be handled like a normal character?
+ /// (a character can be a letter or punctuation)
virtual bool isChar() const { return false; }
/// is this equivalent to a letter?
+ /// (a letter is a character that is considered part of a word)
virtual bool isLetter() const { return false; }
/// is this equivalent to a space (which is BTW different from
/// a line separator)?
virtual bool isSpace() const { return false; }
+ /// does this inset try to use all available space (like \\hfill does)?
+ virtual bool isHfill() const { return false; }
enum DisplayType {
Inline = 0,
/// should we have a non-filled line before this inset?
virtual DisplayType display() const { return Inline; }
+ /// indentation before this inset (only needed for displayed hull insets with fleqn option)
+ virtual int indent(BufferView const &) const { return 0; }
+ ///
+ 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; }
+ /// should paragraph indendation be omitted in any case?
+ 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 void latex(otexstream &, OutputParams const &) const {}
/// 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 {}
+ /// Pass a DocIterator that points at the paragraph containing
+ /// the inset
+ ///
+ /// \param output_active : is the inset active or is it in an inactive
+ /// branch or a note?
+ ///
+ /// \param utype : is the toc being generated for use by the output
+ /// routines?
+ ///
+ /// \param tocbackend : where to add the toc information.
+ virtual void addToToc(DocIterator const & /* di */,
+ bool /* output_active */,
+ UpdateType /* utype*/,
+ TocBackend & /* tocbackend */) const {}
+ /// Collect BibTeX information
+ virtual void collectBibKeys(InsetIterator const &, support::FileNameList &) 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;
public:
/// returns LyX code associated with the inset. Used for TOC, ...)
- virtual Code lyxCode() const { return NO_CODE; }
+ virtual InsetCode lyxCode() const { return NO_CODE; }
- /// -1: text mode, 1: math mode, 0 undecided
+ ///
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; }
/**
- * Is this inset allowed within a font change?
- *
- * FIXME: noFontChange means currently that the font change is closed
- * in LaTeX before the inset, and that the contents of the inset
- * will be in default font. This should be changed so that the inset
- * changes the font again.
+ * The font is inherited from the parent for LaTeX export if this
+ * method returns true. No open font changes are closed in front of
+ * the inset for LaTeX export, and the font is inherited for all other
+ * exports as well as on screen.
+ * If this method returns false all open font changes are closed in
+ * front of the inset for LaTeX export. The default font is used
+ * inside the inset for all exports and on screen.
*/
- virtual bool noFontChange() const { return false; }
+ virtual bool inheritFont() const { return true; }
+ /**
+ * If this method returns true all explicitly set font attributes
+ * are reset during editing operations.
+ * For copy/paste operations the language is never changed, since
+ * the language of a given text never changes if the text is
+ * formatted differently, while other font attribues like size may
+ * need to change if the text is copied from one environment to
+ * another one.
+ * If this method returns false no font attribute is reset.
+ * The default implementation returns true if the resetFont layout
+ * tag is set and otherwise the negation of inheritFont(),
+ * since inherited inset font attributes do not need to be changed,
+ * and non-inherited ones need to be set explicitly.
+ */
+ virtual bool resetFontEdit() const;
/// 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 &) {};
-
- /// inset width.
- int width() const { return dim_.wid; }
- /// inset ascent.
- int ascent() const { return dim_.asc; }
- /// inset descent.
- int descent() const { return dim_.des; }
- ///
- int scroll() const { return 0; }
+ virtual void rejectChanges() {}
+
///
- virtual Color_color backgroundColor() const;
+ virtual bool needsCProtection(bool const, bool const) const { return false; }
+
///
- enum CollapseStatus {
- Collapsed,
- Inlined,
- Open
- };
+ virtual ColorCode backgroundColor(PainterInfo const &) const;
///
- virtual void setStatus(Cursor &, CollapseStatus) {}
+ virtual ColorCode labelColor() const;
//
enum { TEXT_TO_INSET_OFFSET = 4 };
+ /// Determine the action of backspace and delete: do we select instead of
+ /// deleting if not already selected?
+ virtual bool confirmDeletion() const { return false; }
+
protected:
- Inset();
+ /// Constructors
+ Inset(Buffer * buf) : buffer_(buf) {}
+ Inset(Inset const &) : buffer_(0) {}
+
+ /// replicate ourselves
+ friend class InsetList;
+ friend class MathAtom;
+ virtual Inset * clone() const = 0;
/** The real dispatcher.
* 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
*/
virtual void doDispatch(Cursor & cur, FuncRequest & cmd);
- /// Cached dimensions of the inset.
- mutable Dimension dim_;
-private:
- virtual std::auto_ptr<Inset> doClone() const = 0;
-};
-
-
-/**
- * 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);
-
-/** \c Inset_code is a wrapper for Inset::Code.
- * It can be forward-declared and passed as a function argument without
- * having to expose Inset.h.
- */
-class Inset_code {
- Inset::Code val_;
-public:
- Inset_code(Inset::Code val) : val_(val) {}
- operator Inset::Code() const { return val_; }
+ Buffer * buffer_;
};
-
-
} // namespace lyx
#endif
projects / lyx.git / blobdiff