summaryrefslogtreecommitdiffstats
path: root/kregexpeditor/regexpbuttons.cpp
blob: 2c2b247de5a3dec376c1a1e9ed6657ba22784865 (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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
/*
 *  Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@kde.org>
 *
 *  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.
 **/
#ifdef TQT_ONLY
  #include "compat.h"
  #include "images.h"
#else
  #include <kiconloader.h>
  #include <klocale.h>
  #include <kstandarddirs.h>
  #include "regexpbuttons.moc"
#endif

#include "regexpbuttons.h"
#include "dcbutton.h"
#include <tqtooltip.h>
#include <tqwhatsthis.h>
#include <tqbuttongroup.h>
#include <tqlayout.h>
#include <tqsignalmapper.h>
#include "regexpconverter.h"

RegExpButtons::RegExpButtons( TQWidget *parent, const char *name )
  : TQDockWindow( TQDockWindow::InDock, parent, name), _keepMode(false)
{
  TQBoxLayout *layout = boxLayout();

  _grp = new TQButtonGroup(this);
  _grp->hide();
  _grp->setExclusive( true );

  _mapper = new TQSignalMapper( TQT_TQOBJECT(this), "RegExpButtons::_mapper" );
  connect( _mapper, TQT_SIGNAL( mapped(int) ), this, TQT_SIGNAL( clicked(int) ) );

  // The "select" button.
  _selectBut = new TQToolButton( this);

#ifdef TQT_ONLY
  TQPixmap pix;
  pix.convertFromImage( qembed_findImage( "select" ) );
#else
  TQPixmap pix = KGlobal::iconLoader()->loadIcon(locate("data", TQString::fromLatin1("kregexpeditor/pics/select.png") ), KIcon::Toolbar );
#endif

  _selectBut->setPixmap( pix );
  layout->addWidget( _selectBut );
  _grp->insert(_selectBut);
  _selectBut->setToggleButton( true );
  connect( _selectBut, TQT_SIGNAL(clicked()), TQT_SIGNAL(doSelect()));
  connect( _selectBut, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotSetNonKeepMode()) );

  TQToolTip::add( _selectBut, i18n("Selection tool"));
  TQWhatsThis::add( _selectBut, i18n("<qt>This will change the state of the editor to <i>selection state</i>.<p>"
                             "In this state you will not be inserting <i>regexp items</i>, but instead select them. "
                             "To select a number of items, press down the left mouse button and drag it over the items.<p>"
                             "When you have selected a number of items, you may use cut/copy/paste. These functions are "
                             "found in the right mouse button menu.</qt>"));

  // Insert buttons.
  DoubleClickButton* but;

  but = insert(TEXT, "text", i18n("Text"),
               i18n( "<qt>This will insert a text field, where you may write text. The text you write will "
                     "be matched literally. (i.e. you do not need to escape any characters)</qt>" ) );
  layout->addWidget( but );


  but = insert(CHARSET, "characters", i18n("A single character specified in a range"),
               i18n("<qt>This will match a single character from a predefined range.<p>"
                    "When you insert this widget a dialog box will appear, which lets you specify "
                    "which characters this <i>regexp item</i> will match.</qt>") );
  layout->addWidget( but );


  but = insert(DOT, "anychar", i18n("Any character"),
               i18n("<qt>This will match any single character</qt>") );
  layout->addWidget( but );


  but = insert(REPEAT, "repeat", i18n("Repeated content"),
               i18n("<qt>This <i>regexp item</i> will repeat the <i>regexp items</i> it surrounds "
                    "a specified number of times.<p>"
                    "The number of times to repeat may be specified using ranges. e.g. You may specify "
                    "that it should match from 2 to 4 times, that it should match exactly 5 times, or "
                    "that it should match at least one time.<p>"
                    "Examples:<br>"
                    "If you specify that it should match <i>any</i> time, and the content it surrounds "
                    "is <tt>abc</tt>, then this <i>regexp item</i> will match the empty string, "
                    "the string <tt>abc</tt>, the string <tt>abcabc</tt>, the string <tt>abcabcabcabc</tt>, "
                    "etc.</qt>") );
  layout->addWidget( but );


  but = insert(ALTN, "altn", i18n("Alternatives"),
               i18n("<qt>This <i>regexp item</i> will match any of its alternatives.</p>"
                    "You specify alternatives by placing <i>regexp items</i> on top of "
                    "each other inside this widget.</qt>") );
  layout->addWidget( but );


  but = insert(COMPOUND,  "compound", i18n("Compound regexp"),
               i18n("<qt>This <i>regexp item</i> serves two purposes:"
                    "<ul><li>It makes it possible for you to collapse a huge <i>regexp item</i> into "
                    "a small box. This makes it easier for you to get an overview of large "
                    "<i>regexp items</i>. This is especially useful if you load a predefined <i>regexp item</i> "
                    "you perhaps don't care about the inner workings of.") );
  layout->addWidget( but );


  but = insert(BEGLINE,  "begline", i18n("Beginning of line"),
               i18n("<qt>This will match the beginning of a line.</qt>") );
  layout->addWidget( but );


  but = insert(ENDLINE,  "endline", i18n("End of line"),
               i18n("<qt>This will match the end of a line.</qt>") );
  layout->addWidget( but );


  _wordBoundary = insert(WORDBOUNDARY,  "wordboundary", i18n("Word boundary"),
                         i18n("<qt>This asserts a word boundary (This part does not actually match any characters)</qt>") );
  layout->addWidget( _wordBoundary );

  _nonWordBoundary = insert(NONWORDBOUNDARY,  "nonwordboundary", i18n("Non Word boundary"),
                            i18n("<qt>This asserts a non-word boundary "
                                 "(This part does not actually match any characters)</qt>") );
  layout->addWidget( _nonWordBoundary );

  _posLookAhead = insert(POSLOOKAHEAD,  "poslookahead", i18n("Positive Look Ahead"),
                         i18n("<qt>This asserts a regular expression (This part does not actually match any characters). "
                              "You can only use this at the end of a regular expression.</qt>") );
  layout->addWidget( _posLookAhead );

  _negLookAhead = insert(NEGLOOKAHEAD,  "neglookahead", i18n("Negative Look Ahead"),
                         i18n("<qt>This asserts a regular expression that must not match "
                              "(This part does not actually match any characters). "
                              "You can only use this at the end of a regular expression.</qt>") );
  layout->addWidget( _negLookAhead );
}

DoubleClickButton* RegExpButtons::insert(RegExpType tp, const char* name, TQString tooltip, TQString whatsthis)
{
#ifdef TQT_ONLY
    TQPixmap pix;
    pix.convertFromImage( qembed_findImage( TQString::fromLatin1( name ) ) );
#else
    TQPixmap pix = KGlobal::iconLoader()->loadIcon(locate("data", TQString::fromLatin1("kregexpeditor/pics/")+TQString::fromLatin1(name) +
                                                       TQString::fromLatin1(".png") ), KIcon::Toolbar );
#endif

  DoubleClickButton* but = new DoubleClickButton( pix, this, "RegExpButtons::but");

  _mapper->setMapping( TQT_TQOBJECT(but), tp );

  connect( but, TQT_SIGNAL( clicked() ), _mapper, TQT_SLOT( map() ) );
  connect( but, TQT_SIGNAL( clicked() ), this, TQT_SLOT( slotSetNonKeepMode() ) );
  connect( but, TQT_SIGNAL( doubleClicked() ), this, TQT_SLOT( slotSetKeepMode() ) );

  _grp->insert( but );
  but->setToggleButton( true );
  TQToolTip::add( but, tooltip );
  TQWhatsThis::add( but, whatsthis );

  return but;
}

void RegExpButtons::slotUnSelect()
{
  if ( _grp->selected() ) {
    TQToolButton *pb = static_cast<TQToolButton*>(_grp->selected());
    if (pb) {
      pb->setOn( false );
    }
  }
}

void RegExpButtons::slotSetKeepMode( )
{
  _keepMode = true;
}

void RegExpButtons::slotSetNonKeepMode( )
{
  _keepMode = false;
}

void RegExpButtons::slotSelectNewAction()
{
  if ( ! _keepMode ) {
    emit doSelect();
    _grp->setButton(_grp->id(_selectBut));
  }
}

void RegExpButtons::setFeatures( int features )
{
    _wordBoundary->setShown( features & RegExpConverter::WordBoundary );
    _nonWordBoundary->setShown( features & RegExpConverter::NonWordBoundary );
    _posLookAhead->setShown( features & RegExpConverter::PosLookAhead );
    _negLookAhead->setShown( features & RegExpConverter::NegLookAhead );

}