src/paragraph_funcs.h

   1 // -*- C++ -*-
   2 /**
   3  * \file paragraph_funcs.h
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Lars Gullik Bjønnes
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #ifndef PARAGRAPH_FUNCS_H
  13 #define PARAGRAPH_FUNCS_H
  14
  15 #include "support/strfwd.h"
  16 #include "support/types.h"
  17
  18
  19 namespace lyx {
  20
  21 class Buffer;
  22 class BufferParams;
  23 class Inset;
  24 class Font;
  25 class Paragraph;
  26 class ParagraphList;
  27
  28 /**
  29  * This breaks a paragraph at the specified position.
  30  * The new paragraph will:
  31  * - Decrease depth by one (or change layout to default layout) when
  32  *    keep_layout == false
  33  * - keep current depth and layout when keep_layout == true
  34  */
  35 void breakParagraph(BufferParams const & bparams,
  36                     ParagraphList & paragraphs,
  37                     pit_type par,
  38                     pos_type pos,
  39                     bool keep_layout);
  40
  41 ///
  42 void breakParagraphConservative(BufferParams const & bparams,
  43                                 ParagraphList & paragraphs,
  44                                 pit_type par,
  45                                 pos_type pos);
  46
  47 /**
  48  * Append the next paragraph onto the tail of this one.
  49  * Be careful, this doesent make any check at all.
  50  */
  51 void mergeParagraph(BufferParams const & bparams,
  52         ParagraphList & paragraphs, pit_type par);
  53
  54
  55 /// for the environments
  56 pit_type depthHook(pit_type par,
  57         ParagraphList const & plist, depth_type depth);
  58
  59 pit_type outerHook(pit_type par, ParagraphList const & plist);
  60
  61 /// Is it the first par with same depth and layout?
  62 bool isFirstInSequence(pit_type par, ParagraphList const & plist);
  63
  64 /** Set Label Width string to all paragraphs of the same layout
  65     and depth in a sequence */
  66 void setLabelWidthStringToSequence(pit_type par_offset,
  67         ParagraphList & pars, docstring const & s);
  68
  69 /** Check if the current paragraph is the last paragraph in a
  70     proof environment */
  71 int getEndLabel(pit_type par, ParagraphList const & plist);
  72
  73 /**
  74  * Get the font of the "environment" of paragraph \p par_offset in \p pars.
  75  * All font changes of the paragraph are relative to this font.
  76  */
  77 Font const outerFont(pit_type par_offset, ParagraphList const & pars);
  78
  79 /// accept the changes within the complete ParagraphList
  80 void acceptChanges(ParagraphList & pars, BufferParams const & bparams);
  81
  82 /// return true if the whole ParagraphList is deleted
  83 bool isFullyDeleted(ParagraphList const & pars);
  84
  85 } // namespace lyx
  86
  87 #endif // PARAGRAPH_FUNCS_H