mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-12-25 05:55:34 +00:00
a2705e1474
Allow insertStringAs* to reset the cursor. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_2_0_X@40015 a592a061-630c-0410-9148-cb99ea01b6c8
408 lines
14 KiB
C++
408 lines
14 KiB
C++
// -*- C++ -*-
|
|
/**
|
|
* \file Text.h
|
|
* This file is part of LyX, the document processor.
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* \author unknown
|
|
* \author Lars Gullik Bjønnes
|
|
* \author John Levon
|
|
*
|
|
* Full author contact details are available in file CREDITS.
|
|
*/
|
|
|
|
#ifndef TEXT_H
|
|
#define TEXT_H
|
|
|
|
#include "DocIterator.h"
|
|
#include "ParagraphList.h"
|
|
|
|
namespace lyx {
|
|
|
|
class Buffer;
|
|
class BufferParams;
|
|
class BufferView;
|
|
class CompletionList;
|
|
class Cursor;
|
|
class CursorSlice;
|
|
class DocIterator;
|
|
class ErrorList;
|
|
class Font;
|
|
class FontInfo;
|
|
class FuncRequest;
|
|
class FuncStatus;
|
|
class Inset;
|
|
class Lexer;
|
|
class PainterInfo;
|
|
class Spacing;
|
|
|
|
/// This class encapsulates the main text data and operations in LyX.
|
|
/// This is more or less the private implementation of InsetText.
|
|
class Text {
|
|
private:
|
|
/// Default constructor.
|
|
Text(InsetText * owner, bool use_default_layout);
|
|
|
|
/// Copy constructor.
|
|
Text(InsetText * owner, Text const & text);
|
|
|
|
public:
|
|
/// \return true if there's no content at all.
|
|
/// \warning a non standard layout on an empty paragraph doesn't
|
|
// count as empty.
|
|
bool empty() const;
|
|
/// Access to owner InsetText.
|
|
InsetText const & inset() const;
|
|
|
|
///
|
|
FontInfo layoutFont(pit_type pit) const;
|
|
///
|
|
FontInfo labelFont(Paragraph const & par) const;
|
|
/** Set font of character at position \p pos in paragraph \p pit.
|
|
* Must not be called if \p pos denotes an inset with text contents,
|
|
* and the inset is not allowed inside a font change (see below).
|
|
*/
|
|
void setCharFont(pit_type pit, pos_type pos,
|
|
Font const & font, Font const & display_font);
|
|
|
|
/** Needed to propagate font changes to all text cells of insets
|
|
* that are not allowed inside a font change (bugs 1973, 6919).
|
|
* Must not be called if \p pos denotes an ordinary character or an
|
|
* inset that is alowed inside a font change.
|
|
*/
|
|
void setInsetFont(BufferView const & bv, pit_type pit, pos_type pos,
|
|
Font const & font, bool toggleall = false);
|
|
|
|
/// what you expect when pressing \<enter\> at cursor position
|
|
/// \param inverse_logic if false, the same layout is set for the
|
|
/// new paragraph if the layout is an environment; if true, the
|
|
/// same layout is set if it is not an environment
|
|
void breakParagraph(Cursor & cur, bool inverse_logic = false);
|
|
|
|
/// set layout over selection
|
|
void setLayout(pit_type start, pit_type end,
|
|
docstring const & layout);
|
|
/// Set given layout to current cursor position.
|
|
/// FIXME: replace Cursor with DocIterator.
|
|
void setLayout(Cursor & cur, docstring const & layout);
|
|
|
|
/// what type of depth change to make
|
|
enum DEPTH_CHANGE {
|
|
INC_DEPTH,
|
|
DEC_DEPTH
|
|
};
|
|
/// Increase or decrease the nesting depth of the selected paragraph(s)
|
|
/// FIXME: replace Cursor with DocIterator.
|
|
void changeDepth(Cursor & cur, DEPTH_CHANGE type);
|
|
|
|
/// Returns whether something would be changed by changeDepth
|
|
/// FIXME: replace Cursor with DocIterator.
|
|
bool changeDepthAllowed(Cursor & cur, DEPTH_CHANGE type) const;
|
|
|
|
/// Set font over selection paragraphs and rebreak.
|
|
/// FIXME: replace Cursor with DocIterator.
|
|
void setFont(Cursor & cur, Font const &, bool toggleall = false);
|
|
/// Set font from \p begin to \p end and rebreak.
|
|
void setFont(BufferView const & bv, CursorSlice const & begin,
|
|
CursorSlice const & end, Font const &,
|
|
bool toggleall = false);
|
|
|
|
///
|
|
void toggleFree(Cursor & cur, Font const &, bool toggleall = false);
|
|
|
|
/// ???
|
|
/// FIXME: replace Cursor with DocIterator.
|
|
docstring getStringToIndex(Cursor const & cur);
|
|
|
|
/// Convert the paragraphs to a string.
|
|
/// \param AsStringParameter options. This can contain any combination of
|
|
/// asStringParameter values. Valid examples:
|
|
/// asString(AS_STR_LABEL)
|
|
/// asString(AS_STR_LABEL | AS_STR_INSETS)
|
|
/// asString(AS_STR_INSETS)
|
|
docstring asString(int options = AS_STR_NONE) const;
|
|
///
|
|
docstring asString(pit_type beg, pit_type end,
|
|
int options = AS_STR_NONE) const;
|
|
/// Appends a possibly abbreviated representation of our text
|
|
/// to \param os, where \param maxlen defines the maximum size
|
|
/// of \param os. If \param shorten is true, then we will shorten
|
|
/// \param os to maxlen chars and replace the final three by "...,
|
|
/// if \param os is longer than maxlen chars.
|
|
void forToc(docstring & os, size_t maxlen, bool shorten = true) const;
|
|
|
|
/// insert a character at cursor position
|
|
/// FIXME: replace Cursor with DocIterator.
|
|
void insertChar(Cursor & cur, char_type c);
|
|
/// insert an inset at cursor position
|
|
/// FIXME: replace Cursor with DocIterator.
|
|
void insertInset(Cursor & cur, Inset * inset);
|
|
|
|
/// try to handle that request
|
|
/// FIXME: replace Cursor with DocIterator.
|
|
void dispatch(Cursor & cur, FuncRequest & cmd);
|
|
/// do we want to handle this event?
|
|
bool getStatus(Cursor & cur, FuncRequest const & cmd,
|
|
FuncStatus & status) const;
|
|
|
|
/// read-only access to individual paragraph
|
|
Paragraph const & getPar(pit_type pit) const { return pars_[pit]; }
|
|
/// read-write access to individual paragraph
|
|
Paragraph & getPar(pit_type pit) { return pars_[pit]; }
|
|
// Returns the current font and depth as a message.
|
|
/// FIXME: replace Cursor with DocIterator.
|
|
docstring currentState(Cursor const & cur) const;
|
|
|
|
/** Find the word under \c from in the relative location
|
|
* defined by \c word_location.
|
|
* @param from return here the start of the word
|
|
* @param to return here the end of the word
|
|
*/
|
|
void getWord(CursorSlice & from, CursorSlice & to, word_location const) const;
|
|
/// just selects the word the cursor is in
|
|
void selectWord(Cursor & cur, word_location loc);
|
|
/// select all text
|
|
void selectAll(Cursor & cur);
|
|
/// convenience function get the previous word or an empty string
|
|
docstring previousWord(CursorSlice const & sl) const;
|
|
|
|
/// what type of change operation to make
|
|
enum ChangeOp {
|
|
ACCEPT,
|
|
REJECT
|
|
};
|
|
/// accept or reject the selected change
|
|
void acceptOrRejectChanges(Cursor & cur, ChangeOp op);
|
|
/// accept the changes within the complete Text
|
|
void acceptChanges();
|
|
/// reject the changes within the complete Text
|
|
void rejectChanges();
|
|
|
|
/// returns true if par was empty and was removed
|
|
bool setCursor(Cursor & cur, pit_type par, pos_type pos,
|
|
bool setfont = true, bool boundary = false);
|
|
///
|
|
void setCursor(CursorSlice &, pit_type par, pos_type pos);
|
|
///
|
|
void setCursorIntern(Cursor & cur, pit_type par,
|
|
pos_type pos, bool setfont = true, bool boundary = false);
|
|
|
|
///
|
|
void recUndo(Cursor & cur, pit_type first, pit_type last) const;
|
|
///
|
|
void recUndo(Cursor & cur, pit_type first) const;
|
|
|
|
/// Move cursor one position backwards
|
|
/**
|
|
* Returns true if an update is needed after the move.
|
|
*/
|
|
bool cursorBackward(Cursor & cur);
|
|
/// Move cursor visually one position to the left
|
|
/**
|
|
* \param skip_inset if true, don't enter insets
|
|
* Returns true if an update is needed after the move.
|
|
*/
|
|
bool cursorVisLeft(Cursor & cur, bool skip_inset = false);
|
|
/// Move cursor one position forward
|
|
/**
|
|
* Returns true if an update is needed after the move.
|
|
*/
|
|
bool cursorForward(Cursor & cur);
|
|
/// Move cursor visually one position to the right
|
|
/**
|
|
* \param skip_inset if true, don't enter insets
|
|
* Returns true if an update is needed after the move.
|
|
*/
|
|
bool cursorVisRight(Cursor & cur, bool skip_inset = false);
|
|
///
|
|
bool cursorBackwardOneWord(Cursor & cur);
|
|
///
|
|
bool cursorForwardOneWord(Cursor & cur);
|
|
///
|
|
bool cursorVisLeftOneWord(Cursor & cur);
|
|
///
|
|
bool cursorVisRightOneWord(Cursor & cur);
|
|
/// Delete from cursor up to the end of the current or next word.
|
|
void deleteWordForward(Cursor & cur);
|
|
/// Delete from cursor to start of current or prior word.
|
|
void deleteWordBackward(Cursor & cur);
|
|
///
|
|
bool cursorUpParagraph(Cursor & cur);
|
|
///
|
|
bool cursorDownParagraph(Cursor & cur);
|
|
///
|
|
bool cursorTop(Cursor & cur);
|
|
///
|
|
bool cursorBottom(Cursor & cur);
|
|
/// Erase character at cursor. Honour change tracking
|
|
/// FIXME: replace Cursor with DocIterator.
|
|
bool erase(Cursor & cur);
|
|
/// Delete character before cursor. Honour CT
|
|
/// FIXME: replace Cursor with DocIterator.
|
|
bool backspace(Cursor & cur);
|
|
// Dissolve the inset under cursor
|
|
/// FIXME: replace Cursor with DocIterator.
|
|
bool dissolveInset(Cursor & cur);
|
|
///
|
|
bool selectWordWhenUnderCursor(Cursor & cur, word_location);
|
|
/// Change the case of the word at cursor position.
|
|
void changeCase(Cursor & cur, TextCase action);
|
|
/// Transposes the character at the cursor with the one before it
|
|
void charsTranspose(Cursor & cur);
|
|
|
|
/** the DTP switches for paragraphs. LyX will store the top settings
|
|
always in the first physical paragraph, the bottom settings in the
|
|
last. When a paragraph is broken, the top settings rest, the bottom
|
|
settings are given to the new one.
|
|
This function will handle a multi-paragraph selection.
|
|
*/
|
|
void setParagraphs(Cursor & cur, docstring arg, bool modify = false);
|
|
/// Sets parameters for current or selected paragraphs
|
|
void setParagraphs(Cursor & cur, ParagraphParameters const & p);
|
|
|
|
/* these things are for search and replace */
|
|
|
|
/// needed to insert the selection
|
|
void insertStringAsLines(Cursor & cur, docstring const & str,
|
|
Font const & font);
|
|
/// needed to insert the selection
|
|
void insertStringAsParagraphs(Cursor & cur, docstring const & str,
|
|
Font const & font);
|
|
|
|
/// access to our paragraphs
|
|
ParagraphList const & paragraphs() const { return pars_; }
|
|
ParagraphList & paragraphs() { return pars_; }
|
|
/// return true if this is the main text
|
|
bool isMainText() const;
|
|
|
|
///
|
|
double spacing(Paragraph const & par) const;
|
|
/// make a suggestion for a label
|
|
/// FIXME: replace Cursor with DocIterator.
|
|
docstring getPossibleLabel(Cursor const & cur) const;
|
|
/// is this paragraph right-to-left?
|
|
bool isRTL(Paragraph const & par) const;
|
|
|
|
///
|
|
bool checkAndActivateInset(Cursor & cur, bool front);
|
|
///
|
|
bool checkAndActivateInsetVisual(Cursor & cur, bool movingForward, bool movingLeft);
|
|
|
|
///
|
|
void write(std::ostream & os) const;
|
|
/// returns true if \end_document has not been read
|
|
/// insetPtr is the containing Inset
|
|
bool read(Lexer & lex, ErrorList & errorList,
|
|
InsetText * insetPtr);
|
|
|
|
/// delete double spaces, leading spaces, and empty paragraphs around old cursor.
|
|
/// \retval true if a change has happened and we need a redraw.
|
|
/// FIXME: replace Cursor with DocIterator. This is not possible right
|
|
/// now because recordUndo() is called which needs a Cursor.
|
|
static bool deleteEmptyParagraphMechanism(Cursor & cur,
|
|
Cursor & old, bool & need_anchor_change);
|
|
|
|
/// delete double spaces, leading spaces, and empty paragraphs
|
|
/// from \first to \last paragraph
|
|
void deleteEmptyParagraphMechanism(pit_type first, pit_type last, bool trackChanges);
|
|
|
|
/// To resolve macros properly the texts get their DocIterator.
|
|
/// Every macro definition is stored with its DocIterator
|
|
/// as well. Only those macros with a smaller iterator become
|
|
/// visible in a paragraph.
|
|
DocIterator macrocontextPosition() const;
|
|
///
|
|
void setMacrocontextPosition(DocIterator const & pos);
|
|
|
|
///
|
|
bool completionSupported(Cursor const & cur) const;
|
|
///
|
|
CompletionList const * createCompletionList(Cursor const & cur) const;
|
|
///
|
|
bool insertCompletion(Cursor & cur, docstring const & s, bool /*finished*/);
|
|
///
|
|
docstring completionPrefix(Cursor const & cur) const;
|
|
/// for the environments
|
|
pit_type depthHook(pit_type par, depth_type depth) const;
|
|
///
|
|
pit_type outerHook(pit_type par) const;
|
|
/// Is it the first par with same depth and layout?
|
|
bool isFirstInSequence(pit_type par) const;
|
|
/// Get the font of the "environment" of paragraph \p par_offset in \p pars.
|
|
/// All font changes of the paragraph are relative to this font.
|
|
Font const outerFont(pit_type par_offset) const;
|
|
|
|
private:
|
|
/// The InsetText owner shall have access to everything.
|
|
friend class InsetText;
|
|
|
|
/// return past-the-last paragraph influenced by a layout
|
|
/// change on pit
|
|
pit_type undoSpan(pit_type pit);
|
|
|
|
// fix the cursor `cur' after a characters has been deleted at `where'
|
|
// position. Called by deleteEmptyParagraphMechanism
|
|
static void fixCursorAfterDelete(CursorSlice & cur, CursorSlice const & where);
|
|
|
|
// At cursor position 0, try to merge the paragraph with the one before it.
|
|
// Ignore change tracking, i.e., physically remove the end-of-par character
|
|
bool backspacePos0(Cursor & cur);
|
|
/// handle the case where bibitems were deleted
|
|
bool handleBibitems(Cursor & cur);
|
|
/// are we in a list item (description etc.)?
|
|
bool inDescriptionItem(Cursor & cur) const;
|
|
///
|
|
void charInserted(Cursor & cur);
|
|
/// set 'number' font property
|
|
void number(Cursor & cur);
|
|
|
|
/// paste plain text at current cursor.
|
|
/// \param str string to paste
|
|
/// \param asParagraphs whether to paste as paragraphs or as lines
|
|
void pasteString(Cursor & cur, docstring const & str,
|
|
bool asParagraphs);
|
|
///
|
|
void readParToken(Paragraph & par, Lexer & lex, std::string const & token,
|
|
Font & font, Change & change, ErrorList & errorList);
|
|
///
|
|
void readParagraph(Paragraph & par, Lexer & lex, ErrorList & errorList);
|
|
/// Set Label Width string to all paragraphs of the same layout
|
|
/// and depth in a sequence.
|
|
void setLabelWidthStringToSequence(pit_type const par_offset, docstring const & s);
|
|
|
|
/// Owner Inset.
|
|
InsetText * owner_;
|
|
///
|
|
ParagraphList pars_;
|
|
///
|
|
bool autoBreakRows_;
|
|
/// position of the text in the buffer.
|
|
DocIterator macrocontext_position_;
|
|
///
|
|
unsigned int undo_counter_;
|
|
};
|
|
|
|
|
|
///
|
|
void breakParagraphConservative(BufferParams const & bparams,
|
|
ParagraphList & paragraphs,
|
|
pit_type par,
|
|
pos_type pos);
|
|
|
|
/**
|
|
* Append the next paragraph onto the tail of this one.
|
|
* Be careful, this doesent make any check at all.
|
|
*/
|
|
void mergeParagraph(BufferParams const & bparams,
|
|
ParagraphList & paragraphs, pit_type par);
|
|
|
|
/// accept the changes within the complete ParagraphList
|
|
void acceptChanges(ParagraphList & pars, BufferParams const & bparams);
|
|
|
|
/// reject the changes within the complete ParagraphList
|
|
void rejectChanges(ParagraphList & pars, BufferParams const & bparams);
|
|
|
|
} // namespace lyx
|
|
|
|
#endif // TEXT_H
|