src/frontends/xforms/FormToc.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 2000 The LyX Team.
   8  *
   9  * ======================================================
  10  */
  11
  12 #include <config.h>
  13 #include <vector>
  14
  15 #include FORMS_H_LOCATION
  16
  17 #ifdef __GNUG__
  18 #pragma implementation
  19 #endif
  20
  21
  22 #include "gettext.h"
  23 #include "Dialogs.h"
  24 #include "FormToc.h"
  25 #include "LyXView.h"
  26 #include "buffer.h"
  27 #include "form_toc.h"
  28 #include "lyxtext.h"
  29
  30 static vector<Buffer::TocItem> toclist;
  31
  32 FormToc::FormToc(LyXView * lv, Dialogs * d)
  33   : FormCommand(lv, d, _("Table of Contents")), dialog_(0)
  34 {
  35         // let the dialog be shown
  36         // These are permanent connections so we won't bother
  37         // storing a copy because we won't be disconnecting.
  38         d->showTOC.connect(slot(this, &FormToc::showInset));
  39         d->createTOC.connect(slot(this, &FormToc::createInset));
  40 }
  41
  42
  43 FormToc::~FormToc()
  44 {
  45         free();
  46         delete dialog_;
  47 }
  48
  49
  50 void FormToc::build()
  51 {
  52         dialog_ = build_toc();
  53         fl_addto_choice(dialog_->type,
  54                         _(" TOC | LOF | LOT | LOA "));
  55 }
  56
  57
  58 FL_FORM * const FormToc::form() const
  59 {
  60         if( dialog_ && dialog_->form_toc )
  61                 return dialog_->form_toc;
  62         else
  63                 return 0;
  64 }
  65
  66
  67 void FormToc::update()
  68 {
  69         static int ow = -1, oh;
  70
  71         if (ow < 0) {
  72                 ow = form()->w;
  73                 oh = form()->h;
  74
  75                 fl_set_form_minsize(form(), ow, oh);
  76                 fl_set_form_maxsize(form(), 2*ow, oh);
  77         }
  78
  79         Buffer::TocType type;
  80
  81         if( params.getCmdName() == "tableofcontents" )
  82                 type = Buffer::TOC_TOC;
  83
  84         else if( params.getCmdName() == "listofalgorithms" )
  85                 type = Buffer::TOC_LOA;
  86
  87         else if( params.getCmdName() == "listoffigures" )
  88                 type = Buffer::TOC_LOF;
  89
  90         else
  91                 type = Buffer::TOC_LOT;
  92
  93         fl_set_choice( dialog_->type, type+1 );
  94
  95         updateToc();
  96 }
  97
  98
  99 void FormToc::updateToc()
 100 {
 101         if (!lv_->view()->available()) {
 102                 toclist.clear();
 103                 fl_clear_browser( dialog_->browser );
 104                 fl_add_browser_line( dialog_->browser, _("*** No Document ***"));
 105                 return;
 106         }
 107
 108         vector<vector<Buffer::TocItem> > tmp =
 109                 lv_->view()->buffer()->getTocList();
 110         int type = fl_get_choice( dialog_->type ) - 1;
 111
 112         // Check if all elements are the same.
 113         if (toclist.size() == tmp[type].size()) {
 114                 unsigned int i = 0;
 115                 for (; i < toclist.size(); ++i) {
 116                         if (toclist[i] !=  tmp[type][i])
 117                                 break;
 118                 }
 119                 if (i >= toclist.size()) return;
 120         }
 121
 122         // List has changed. Update browser
 123         toclist = tmp[type];
 124
 125         static Buffer * buffer = 0;
 126         int topline = 0;
 127         int line = 0;
 128         if (buffer == lv_->view()->buffer()) {
 129                 topline = fl_get_browser_topline( dialog_->browser );
 130                 line = fl_get_browser( dialog_->browser );
 131         } else
 132                 buffer = lv_->view()->buffer();
 133
 134         fl_clear_browser( dialog_->browser );
 135
 136         for (vector<Buffer::TocItem>::const_iterator it = toclist.begin();
 137              it != toclist.end(); ++it)
 138                 fl_add_browser_line( dialog_->browser,
 139                                      (string(4*(*it).depth,' ')+(*it).str).c_str());
 140
 141         fl_set_browser_topline( dialog_->browser, topline );
 142         fl_select_browser_line( dialog_->browser, line );
 143 }
 144
 145
 146 void FormToc::apply()
 147 {
 148         if (!lv_->view()->available())
 149                 return;
 150
 151         updateToc();
 152
 153         unsigned int choice = fl_get_browser( dialog_->browser );
 154         if (0 < choice && choice - 1 < toclist.size()) {
 155                 lv_->view()->beforeChange();
 156                 lv_->view()->text->SetCursor( lv_->view(), toclist[choice-1].par, 0 );
 157                 lv_->view()->text->sel_cursor =
 158                         lv_->view()->text->cursor;
 159                 lv_->view()->update(BufferView::SELECT|BufferView::FITCUR);
 160         }
 161 }