summaryrefslogtreecommitdiffstats
path: root/kate/part/katearbitraryhighlight.cpp
blob: 2ecbececc914c898ed7e06a40f4aee921756859f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
/* This file is part of the KDE libraries
   Copyright (C) 2003 Hamish Rodda <[email protected]>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#include "katearbitraryhighlight.h"
#include "katearbitraryhighlight.moc"

#include "katesupercursor.h"
#include "katedocument.h"

#include <kdebug.h>

#include <qfont.h>

KateArbitraryHighlightRange::KateArbitraryHighlightRange(KateSuperCursor* start,
KateSuperCursor* end, QObject* parent, const char* name)   :
KateSuperRange(start, end, parent, name) {
}

KateArbitraryHighlightRange::KateArbitraryHighlightRange(KateDocument* doc, const KateRange& range, QObject* parent, const char* name)
  : KateSuperRange(doc, range, parent, name)
{
}

KateArbitraryHighlightRange::KateArbitraryHighlightRange(KateDocument* doc, const KateTextCursor& start, const KateTextCursor& end, QObject* parent, const char* name)
  : KateSuperRange(doc, start, end, parent, name)
{
}

KateArbitraryHighlightRange::~KateArbitraryHighlightRange()
{
}

KateArbitraryHighlight::KateArbitraryHighlight(KateDocument* parent, const char* name)
  : QObject(parent, name)
{
}

KateAttribute KateArbitraryHighlightRange::merge(QPtrList<KateSuperRange> ranges)
{
  ranges.sort();

  KateAttribute ret;

  if (ranges.first() && ranges.current()->inherits("KateArbitraryHighlightRange"))
    ret = *(static_cast<KateArbitraryHighlightRange*>(ranges.current()));

  KateSuperRange* r;
  while ((r = ranges.next())) {
    if (r->inherits("KateArbitraryHighlightRange")) {
      KateArbitraryHighlightRange* hl = static_cast<KateArbitraryHighlightRange*>(r);
      ret += *hl;
    }
  }

  return ret;
}

void KateArbitraryHighlight::addHighlightToDocument(KateSuperRangeList* list)
{
  m_docHLs.append(list);
  connect(list, SIGNAL(rangeEliminated(KateSuperRange*)), SLOT(slotRangeEliminated(KateSuperRange*)));
  connect(list, SIGNAL(destroyed(QObject*)),SLOT(slotRangeListDeleted(QObject*)));
}

void KateArbitraryHighlight::addHighlightToView(KateSuperRangeList* list, KateView* view)
{
  if (!m_viewHLs[view])
    m_viewHLs.insert(view, new QPtrList<KateSuperRangeList>());

  m_viewHLs[view]->append(list);

  connect(list, SIGNAL(rangeEliminated(KateSuperRange*)), SLOT(slotTagRange(KateSuperRange*)));
  connect(list, SIGNAL(tagRange(KateSuperRange*)), SLOT(slotTagRange(KateSuperRange*)));
  connect(list, SIGNAL(destroyed(QObject*)),SLOT(slotRangeListDeleted(QObject*)));
}

void KateArbitraryHighlight::slotRangeListDeleted(QObject* obj) {
   int id=m_docHLs.findRef(static_cast<KateSuperRangeList*>(obj));
   if (id>=0) m_docHLs.take(id);
   
   for (QMap<KateView*, QPtrList<KateSuperRangeList>* >::Iterator it = m_viewHLs.begin(); it != m_viewHLs.end(); ++it)
    for (KateSuperRangeList* l = (*it)->first(); l; l = (*it)->next())
      if (l==obj) {
        l->take();
        break; //should we check if one list is stored more than once for a view ?? I don't think adding the same list 2 or more times is sane, but who knows (jowenn)
      }
}

KateSuperRangeList& KateArbitraryHighlight::rangesIncluding(uint line, KateView* view)
{
  // OPTIMISE make return value persistent

  static KateSuperRangeList s_return(false);

  Q_ASSERT(!s_return.autoDelete());
  s_return.clear();

  //--- TEMPORARY OPTIMISATION: return the actual range when there are none or one. ---
  if (m_docHLs.count() + m_viewHLs.count() == 0)
    return s_return;
  else if (m_docHLs.count() + m_viewHLs.count() == 1)
    if (m_docHLs.count())
      return *(m_docHLs.first());
    else
      if (m_viewHLs.values().first() && m_viewHLs.values().first()->count() == 1)
        if (m_viewHLs.keys().first() == view && m_viewHLs.values().first())
          return *(m_viewHLs.values().first()->first());
  //--- END Temporary optimisation ---

  if (view) {
    QPtrList<KateSuperRangeList>* list = m_viewHLs[view];
    if (list)
      for (KateSuperRangeList* l = list->first(); l; l = list->next())
        if (l->count())
          s_return.appendList(l->rangesIncluding(line));

  } else {
    for (QMap<KateView*, QPtrList<KateSuperRangeList>* >::Iterator it = m_viewHLs.begin(); it != m_viewHLs.end(); ++it)
      for (KateSuperRangeList* l = (*it)->first(); l; l = (*it)->next())
        if (l->count())
          s_return.appendList(l->rangesIncluding(line));
  }

  for (KateSuperRangeList* l = m_docHLs.first(); l; l = m_docHLs.next())
    if (l->count())
      s_return.appendList(l->rangesIncluding(line));

  return s_return;
}

void KateArbitraryHighlight::slotTagRange(KateSuperRange* range)
{
  emit tagLines(viewForRange(range), range);
}

KateView* KateArbitraryHighlight::viewForRange(KateSuperRange* range)
{
  for (QMap<KateView*, QPtrList<KateSuperRangeList>* >::Iterator it = m_viewHLs.begin(); it != m_viewHLs.end(); ++it)
    for (KateSuperRangeList* l = (*it)->first(); l; l = (*it)->next())
      if (l->contains(range))
        return it.key();

  // This must belong to a document-global highlight
  return 0L;
}

// kate: space-indent on; indent-width 2; replace-tabs on;