src/frontends/controllers/ControlParagraph.C

   1 // -*- C++ -*-
   2 /**
   3  * \file ControlParagraph.C
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Edwin Leuven
   8  *
   9  * Full author contact details are available in file CREDITS
  10  */
  11
  12 #include <config.h>
  13
  14 #ifdef __GNUG__
  15 #pragma implementation
  16 #endif
  17
  18 #include "ControlParagraph.h"
  19
  20 #include "ButtonControllerBase.h"
  21 #include "ViewBase.h"
  22
  23 #include "buffer.h"
  24 #include "BufferView.h"
  25 #include "gettext.h"
  26 #include "lyxtext.h"
  27 #include "ParagraphParameters.h"
  28
  29 #include "frontends/LyXView.h"
  30
  31 #include "support/LAssert.h"
  32
  33
  34 ControlParagraph::ControlParagraph(LyXView & lv, Dialogs & d)
  35         : ControlDialogBD(lv, d), pp_(0), ininset_(false)
  36 {}
  37
  38
  39 ControlParagraph::~ControlParagraph()
  40 {}
  41
  42
  43 ParagraphParameters & ControlParagraph::params()
  44 {
  45         lyx::Assert(pp_.get());
  46         return *pp_;
  47 }
  48
  49
  50 bool ControlParagraph::inInset() const
  51 {
  52         return ininset_;
  53 }
  54
  55
  56 LyXAlignment ControlParagraph::alignPossible() const
  57 {
  58         return alignpos_;
  59 }
  60
  61
  62 void ControlParagraph::apply()
  63 {
  64         if (!bufferIsAvailable())
  65                 return;
  66
  67         view().apply();
  68
  69         LyXText * text(bufferview()->getLyXText());
  70         text->setParagraph(bufferview(),
  71                            pp_->lineTop(),
  72                            pp_->lineBottom(),
  73                            pp_->pagebreakTop(),
  74                            pp_->pagebreakBottom(),
  75                            pp_->spaceTop(),
  76                            pp_->spaceBottom(),
  77                            pp_->spacing(),
  78                            pp_->align(),
  79                            pp_->labelWidthString(),
  80                            pp_->noindent());
  81
  82         // Actually apply these settings
  83         bufferview()->update(text,
  84                              BufferView::SELECT |
  85                              BufferView::FITCUR |
  86                              BufferView::CHANGE);
  87
  88         buffer()->markDirty();
  89
  90         lv_.message(_("Paragraph layout set"));
  91 }
  92
  93
  94 void ControlParagraph::setParams()
  95 {
  96         if (!pp_.get())
  97                 pp_.reset(new ParagraphParameters());
  98
  99         /// get paragraph
 100         Paragraph const * par_ = bufferview()->getLyXText()->cursor.par();
 101
 102         /// Set the paragraph parameters
 103         *pp_ = par_->params();
 104
 105         /// this needs to be done separately
 106         pp_->labelWidthString(par_->getLabelWidthString());
 107
 108         /// alignment
 109         LyXLayout_ptr const & layout = par_->layout();
 110         if (pp_->align() == LYX_ALIGN_LAYOUT)
 111                 pp_->align(layout->align);
 112
 113         /// is alignment possible
 114         alignpos_ = layout->alignpossible;
 115
 116         /// is paragraph in inset
 117         ininset_ = par_->inInset();
 118 }
 119
 120
 121 void ControlParagraph::changedParagraph()
 122 {
 123         /// get paragraph
 124         Paragraph const * p = bufferview()->getLyXText()->cursor.par();
 125
 126         if (p == 0) // this is wrong as we don't set par_ here! /* || p == par_) */
 127                 return;
 128
 129         // For now, don't bother checking if the params are different.
 130         // Will the underlying paragraph accept our changes?
 131         Inset * const inset = p->inInset();
 132         bool const accept = !(inset && inset->forceDefaultParagraphs(inset));
 133         bc().valid(accept);
 134 }