src/frontends/controllers/ControlParagraph.C

   1 // -*- C++ -*-
   2 /**
   3  * \file ControlParagraph.C
   4  * Copyright 2002 The LyX Team.
   5  * See the file COPYING.
   6  *
   7  * \author Edwin Leuven <leuven@fee.uva.nl>
   8  */
   9
  10 #include <config.h>
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #endif
  15
  16 #include "ControlParagraph.h"
  17 #include "ButtonControllerBase.h"
  18 #include "ViewBase.h"
  19 #include "ParagraphParameters.h"
  20 #include "Liason.h"
  21 #include "BufferView.h"
  22 #include "gettext.h"
  23 #include "buffer.h"
  24 #include "lyxtext.h"
  25 #include "support/LAssert.h"
  26 #include "Dialogs.h"
  27 #include <boost/bind.hpp>
  28
  29 using Liason::setMinibuffer;
  30
  31
  32 ControlParagraph::ControlParagraph(LyXView & lv, Dialogs & d)
  33         : ControlDialogBD(lv, d), pp_(0), ininset_(false)
  34 {
  35      d_.updateParagraph.connect(
  36              boost::bind(&ControlParagraph::changedParagraph, this));
  37
  38 }
  39
  40
  41 ControlParagraph::~ControlParagraph()
  42 {}
  43
  44
  45 ParagraphParameters & ControlParagraph::params()
  46 {
  47         lyx::Assert(pp_.get());
  48         return *pp_;
  49 }
  50
  51
  52 bool ControlParagraph::inInset() const
  53 {
  54         return ininset_;
  55 }
  56
  57
  58 LyXAlignment ControlParagraph::alignPossible() const
  59 {
  60         return alignpos_;
  61 }
  62
  63
  64 void ControlParagraph::apply()
  65 {
  66         if (!bufferIsAvailable())
  67                 return;
  68
  69         view().apply();
  70
  71         LyXText * text(bufferview()->getLyXText());
  72         text->setParagraph(bufferview(),
  73                            pp_->lineTop(),
  74                            pp_->lineBottom(),
  75                            pp_->pagebreakTop(),
  76                            pp_->pagebreakBottom(),
  77                            pp_->spaceTop(),
  78                            pp_->spaceBottom(),
  79                            pp_->spacing(),
  80                            pp_->align(),
  81                            pp_->labelWidthString(),
  82                            pp_->noindent());
  83
  84         // Actually apply these settings
  85         bufferview()->update(text,
  86                              BufferView::SELECT |
  87                              BufferView::FITCUR |
  88                              BufferView::CHANGE);
  89
  90         buffer()->markDirty();
  91
  92         setMinibuffer(&lv_, _("Paragraph layout set"));
  93 }
  94
  95
  96 void ControlParagraph::setParams()
  97 {
  98         if (!pp_.get())
  99                 pp_.reset(new ParagraphParameters());
 100
 101         /// get paragraph
 102         Paragraph const * par_ = bufferview()->getLyXText()->cursor.par();
 103
 104         /// Set the paragraph parameters
 105         *pp_ = par_->params();
 106
 107         /// this needs to be done separately
 108         pp_->labelWidthString(par_->getLabelWidthString());
 109
 110         /// alignment
 111         LyXLayout_ptr const & layout = par_->layout();
 112         if (pp_->align() == LYX_ALIGN_LAYOUT)
 113                 pp_->align(layout->align);
 114
 115         /// is alignment possible
 116         alignpos_ = layout->alignpossible;
 117
 118         /// is paragraph in inset
 119         ininset_ = par_->inInset();
 120 }
 121
 122 void ControlParagraph::changedParagraph()
 123 {
 124         /// get paragraph
 125         Paragraph const * p = bufferview()->getLyXText()->cursor.par();
 126
 127         if (p == 0) // this is wrong as we don't set par_ here! /* || p == par_) */
 128                 return;
 129
 130         // For now, don't bother checking if the params are different.
 131         // Will the underlying paragraph accept our changes?
 132         Inset * const inset = p->inInset();
 133         bool const accept = !(inset && inset->forceDefaultParagraphs(inset));
 134         bc().valid(accept);
 135 }