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
  18 #include "ButtonControllerBase.h"
  19 #include "ViewBase.h"
  20
  21 #include "buffer.h"
  22 #include "BufferView.h"
  23 #include "gettext.h"
  24 #include "lyxtext.h"
  25 #include "ParagraphParameters.h"
  26
  27 #include "frontends/Dialogs.h"
  28 #include "frontends/Liason.h"
  29
  30 #include "support/LAssert.h"
  31
  32 #include <boost/bind.hpp>
  33
  34 using Liason::setMinibuffer;
  35
  36
  37 ControlParagraph::ControlParagraph(LyXView & lv, Dialogs & d)
  38         : ControlDialogBD(lv, d), pp_(0), ininset_(false)
  39 {
  40         d_.updateParagraph.connect(
  41                 boost::bind(&ControlParagraph::changedParagraph, this));
  42 }
  43
  44
  45 ControlParagraph::~ControlParagraph()
  46 {}
  47
  48
  49 ParagraphParameters & ControlParagraph::params()
  50 {
  51         lyx::Assert(pp_.get());
  52         return *pp_;
  53 }
  54
  55
  56 bool ControlParagraph::inInset() const
  57 {
  58         return ininset_;
  59 }
  60
  61
  62 LyXAlignment ControlParagraph::alignPossible() const
  63 {
  64         return alignpos_;
  65 }
  66
  67
  68 void ControlParagraph::apply()
  69 {
  70         if (!bufferIsAvailable())
  71                 return;
  72
  73         view().apply();
  74
  75         LyXText * text(bufferview()->getLyXText());
  76         text->setParagraph(bufferview(),
  77                            pp_->lineTop(),
  78                            pp_->lineBottom(),
  79                            pp_->pagebreakTop(),
  80                            pp_->pagebreakBottom(),
  81                            pp_->spaceTop(),
  82                            pp_->spaceBottom(),
  83                            pp_->spacing(),
  84                            pp_->align(),
  85                            pp_->labelWidthString(),
  86                            pp_->noindent());
  87
  88         // Actually apply these settings
  89         bufferview()->update(text,
  90                              BufferView::SELECT |
  91                              BufferView::FITCUR |
  92                              BufferView::CHANGE);
  93
  94         buffer()->markDirty();
  95
  96         setMinibuffer(&lv_, _("Paragraph layout set"));
  97 }
  98
  99
 100 void ControlParagraph::setParams()
 101 {
 102         if (!pp_.get())
 103                 pp_.reset(new ParagraphParameters());
 104
 105         /// get paragraph
 106         Paragraph const * par_ = bufferview()->getLyXText()->cursor.par();
 107
 108         /// Set the paragraph parameters
 109         *pp_ = par_->params();
 110
 111         /// this needs to be done separately
 112         pp_->labelWidthString(par_->getLabelWidthString());
 113
 114         /// alignment
 115         LyXLayout_ptr const & layout = par_->layout();
 116         if (pp_->align() == LYX_ALIGN_LAYOUT)
 117                 pp_->align(layout->align);
 118
 119         /// is alignment possible
 120         alignpos_ = layout->alignpossible;
 121
 122         /// is paragraph in inset
 123         ininset_ = par_->inInset();
 124 }
 125
 126 void ControlParagraph::changedParagraph()
 127 {
 128         /// get paragraph
 129         Paragraph const * p = bufferview()->getLyXText()->cursor.par();
 130
 131         if (p == 0) // this is wrong as we don't set par_ here! /* || p == par_) */
 132                 return;
 133
 134         // For now, don't bother checking if the params are different.
 135         // Will the underlying paragraph accept our changes?
 136         Inset * const inset = p->inInset();
 137         bool const accept = !(inset && inset->forceDefaultParagraphs(inset));
 138         bc().valid(accept);
 139 }