src/frontends/qt2/QToc.C

   1 /**
   2  * \file QToc.C
   3  * Copyright 2001 the LyX Team
   4  * Read the file COPYING
   5  *
   6  * \author John Levon <moz@compsoc.man.ac.uk>
   7  */
   8
   9 #include <config.h>
  10
  11 #include <stack>
  12
  13 #include <qslider.h>
  14 #include "QTocDialog.h"
  15 #include "QtLyXView.h"
  16
  17 #include "Dialogs.h"
  18 #include "BufferView.h"
  19 #include "QToc.h"
  20 #include "gettext.h"
  21 #include "buffer.h"
  22 #include "support/lstrings.h"
  23 #include "lyxfunc.h"
  24 #include "debug.h"
  25
  26 using std::vector;
  27 using std::pair;
  28 using std::stack;
  29 using std::endl;
  30
  31 #include <qlistview.h>
  32 #include <qcombobox.h>
  33
  34 QToc::QToc(LyXView *v, Dialogs *d)
  35         : dialog_(0), lv_(v), d_(d), inset_(0), h_(0), u_(0), ih_(0),
  36         /*toclist(0),*/ depth(1)
  37 {
  38         d->showTOC.connect(slot(this, &QToc::showTOC));
  39         d->createTOC.connect(slot(this, &QToc::createTOC));
  40 }
  41
  42
  43 QToc::~QToc()
  44 {
  45         delete dialog_;
  46 }
  47
  48
  49 void QToc::showTOC(InsetCommand * const inset)
  50 {
  51         // FIXME: when could inset be 0 here ?
  52         if (inset == 0)
  53                 return;
  54
  55         inset_ = inset;
  56         //FIXME ih_ = inset_->hide.connect(slot(this,&QToc::hide));
  57         params = inset->params();
  58
  59         show();
  60 }
  61
  62
  63 void QToc::createTOC(string const & arg)
  64 {
  65         if (inset_)
  66                 close();
  67
  68         params.setFromString(arg);
  69         show();
  70 }
  71
  72
  73 void QToc::updateToc(int newdepth)
  74 {
  75         if (!lv_->view()->available()) {
  76                 //toclist.clear();
  77                 dialog_->tocLV->clear();
  78                 return;
  79         }
  80
  81 #if 0
  82         vector< vector<Buffer::TocItem> > tmp =
  83                 lv_->view()->buffer()->getTocList();
  84
  85         // Check if all elements are the same.
  86         if (newdepth==depth && toclist.size() == tmp[type].size()) {
  87                 unsigned int i = 0;
  88                 for (; i < toclist.size(); ++i) {
  89                         if (toclist[i] !=  tmp[type][i])
  90                                 break;
  91                 }
  92                 if (i >= toclist.size())
  93                         return;
  94         }
  95
  96         depth=newdepth;
  97
  98         toclist = tmp[type];
  99
 100         dialog_->tocLV->clear();
 101         if (toclist.empty())
 102                 return;
 103
 104         dialog_->tocLV->setUpdatesEnabled(false);
 105
 106         int curdepth = 0;
 107         stack< pair< QListViewItem *, QListViewItem *> > istack;
 108         QListViewItem *last = 0;
 109         QListViewItem *parent = 0;
 110         QListViewItem *item;
 111
 112         // Yes, it is this ugly. Two reasons - root items must have a QListView parent,
 113         // rather than QListViewItem; and the TOC can move in and out an arbitrary number
 114         // of levels
 115
 116         for (vector< Buffer::TocItem >::const_iterator iter = toclist.begin();
 117                 iter != toclist.end(); ++iter) {
 118                 if (iter->depth == curdepth) {
 119                         // insert it after the last one we processed
 120                         if (!parent)
 121                                 item = (last) ? (new QListViewItem(dialog_->tocLV,last)) : (new QListViewItem(dialog_->tocLV));
 122                         else
 123                                 item = (last) ? (new QListViewItem(parent,last)) : (new QListViewItem(parent));
 124                 } else if (iter->depth > curdepth) {
 125                         int diff = iter->depth - curdepth;
 126                         // first save old parent and last
 127                         while (diff--)
 128                                 istack.push(pair< QListViewItem *, QListViewItem * >(parent,last));
 129                         item = (last) ? (new QListViewItem(last)) : (new QListViewItem(dialog_->tocLV));
 130                         parent = last;
 131                 } else {
 132                         int diff = curdepth - iter->depth;
 133                         pair< QListViewItem *, QListViewItem * > top;
 134                         // restore context
 135                         while (diff--) {
 136                                 top = istack.top();
 137                                 istack.pop();
 138                         }
 139                         parent = top.first;
 140                         last = top.second;
 141                         // insert it after the last one we processed
 142                         if (!parent)
 143                                 item = (last) ? (new QListViewItem(dialog_->tocLV,last)) : (new QListViewItem(dialog_->tocLV));
 144                         else
 145                                 item = (last) ? (new QListViewItem(parent,last)) : (new QListViewItem(parent));
 146                 }
 147                 lyxerr[Debug::GUI] << "Table of contents" << endl << "Added item " << iter->str.c_str()
 148                         << " at depth " << iter->depth << ", previous sibling \"" << (last ? last->text(0).latin1() : "0")
 149                         << "\", parent \"" << (parent ? parent->text(0).latin1() : "0") << "\"" << endl;
 150                 item->setText(0,iter->str.c_str());
 151                 item->setOpen(iter->depth < depth);
 152                 curdepth = iter->depth;
 153                 last = item;
 154         }
 155
 156         dialog_->tocLV->setUpdatesEnabled(true);
 157         dialog_->tocLV->update();
 158 }
 159
 160
 161 void QToc::setType(Buffer::TocType toctype)
 162 {
 163         type = toctype;
 164         switch (type) {
 165                 case Buffer::TOC_TOC:
 166                         dialog_->setCaption(_("Table of Contents"));
 167                         dialog_->tocLV->setColumnText(0,_("Table of Contents"));
 168                         dialog_->depthSL->setEnabled(true);
 169                         break;
 170                 case Buffer::TOC_LOF:
 171                         dialog_->setCaption(_("List of Figures"));
 172                         dialog_->tocLV->setColumnText(0,_("List of Figures"));
 173                         dialog_->depthSL->setEnabled(false);
 174                         break;
 175                 case Buffer::TOC_LOT:
 176                         dialog_->setCaption(_("List of Tables"));
 177                         dialog_->tocLV->setColumnText(0,_("List of Tables"));
 178                         dialog_->depthSL->setEnabled(false);
 179                         break;
 180                 case Buffer::TOC_LOA:
 181                         dialog_->setCaption(_("List of Algorithms"));
 182                         dialog_->tocLV->setColumnText(0,_("List of Algorithms"));
 183                         dialog_->depthSL->setEnabled(false);
 184                         break;
 185         }
 186 }
 187
 188
 189 void QToc::set_depth(int newdepth)
 190 {
 191         if (newdepth!=depth)
 192                 updateToc(newdepth);
 193 #endif
 194 }
 195
 196
 197 void QToc::update()
 198 {
 199 #if 0
 200         if (params.getCmdName()=="tableofcontents") {
 201                 setType(Buffer::TOC_TOC);
 202                 dialog_->typeCO->setCurrentItem(0);
 203         } else if (params.getCmdName()=="listoffigures") {
 204                 setType(Buffer::TOC_LOF);
 205                 dialog_->typeCO->setCurrentItem(1);
 206         } else if (params.getCmdName()=="listoftables") {
 207                 setType(Buffer::TOC_LOT);
 208                 dialog_->typeCO->setCurrentItem(2);
 209         } else {
 210                 setType(Buffer::TOC_LOA);
 211                 dialog_->typeCO->setCurrentItem(3);
 212         }
 213
 214         updateToc(depth);
 215 }
 216
 217
 218 void QToc::select(const char *text)
 219 {
 220         if (!lv_->view()->available())
 221                 return;
 222
 223         vector <Buffer::TocItem>::const_iterator iter = toclist.begin();
 224         for (; iter != toclist.end(); ++iter) {
 225                 if (iter->str==text)
 226                         break;
 227         }
 228
 229         if (iter==toclist.end()) {
 230                 lyxerr[Debug::GUI] << "Couldn't find highlighted TOC entry : " << text << endl;
 231                 return;
 232         }
 233
 234         lv_->getLyXFunc()->Dispatch(LFUN_GOTO_PARAGRAPH, tostr(iter->par->id()).c_str());
 235 }
 236
 237
 238 void QToc::set_type(Buffer::TocType toctype)
 239 {
 240         if (toctype==type)
 241                 return;
 242
 243         setType(toctype);
 244         updateToc(depth);
 245 #endif
 246 }
 247
 248
 249 void QToc::show()
 250 {
 251         if (!dialog_)
 252                 dialog_ = new QTocDialog(this, 0, _("LyX: Table of Contents"), false);
 253
 254         if (!dialog_->isVisible()) {
 255                 h_ = d_->hideBufferDependent.connect(slot(this, &QToc::hide));
 256                 //u_ = d_->updateBufferDependent.connect(slot(this, &QToc::update));
 257         }
 258
 259         dialog_->raise();
 260         dialog_->setActiveWindow();
 261
 262         update();
 263         dialog_->show();
 264 }
 265
 266
 267 void QToc::close()
 268 {
 269         h_.disconnect();
 270         u_.disconnect();
 271         ih_.disconnect();
 272         inset_ = 0;
 273 }
 274
 275
 276 void QToc::hide()
 277 {
 278         dialog_->hide();
 279         close();
 280 }