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
|
/**********************************************************************
** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
**
** This file is part of TQt Designer.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** Licensees holding valid TQt Commercial licenses may use this file in
** accordance with the TQt Commercial License Agreement provided with
** the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#include "browser.h"
#include "editor.h"
#include <private/tqrichtext_p.h>
EditorBrowser::EditorBrowser( Editor *e )
: curEditor( e ), oldHighlightedParag( 0 )
{
curEditor = e;
// ### disabled for now
// curEditor->viewport()->installEventFilter( this );
// curEditor->installEventFilter( this );
TQFont fn( curEditor->font() );
fn.setUnderline( TRUE );
highlightedFormat = new TQTextFormat( fn, blue );
}
EditorBrowser::~EditorBrowser()
{
delete highlightedFormat;
}
bool EditorBrowser::eventFilter( TQObject *o, TQEvent *e )
{
if ( ::tqqt_cast<Editor*>(o->tqparent()) || ::tqqt_cast<Editor*>(o) ) {
TQMouseEvent *me;
TQKeyEvent *ke;
switch ( e->type() ) {
case TQEvent::MouseMove:
me = (TQMouseEvent*)e;
if ( ( me->state() & ControlButton ) == ControlButton ) {
curEditor->viewport()->setCursor( pointingHandCursor );
TQTextCursor c( curEditor->document() );
curEditor->placeCursor( curEditor->viewportToContents( me->pos() ), &c );
TQTextCursor from, to;
if ( oldHighlightedParag ) {
oldHighlightedParag->setEndState( -1 );
oldHighlightedParag->format();
oldHighlightedParag = 0;
}
if ( findCursor( c, from, to ) && from.paragraph() == to.paragraph() ) {
// avoid collision with other selections
for ( int i = 0; i < curEditor->document()->numSelections(); ++i )
curEditor->document()->removeSelection( i );
from.paragraph()->setFormat( from.index(), to.index() - from.index() + 1, highlightedFormat, FALSE );
lastWord = from.paragraph()->string()->toString().mid( from.index(), to.index() - from.index() + 1 );
oldHighlightedParag = from.paragraph();
} else {
lastWord = "";
}
curEditor->repaintChanged();
return TRUE;
}
break;
case TQEvent::MouseButtonPress: {
bool killEvent = !lastWord.isEmpty();
if ( !lastWord.isEmpty() )
showHelp( lastWord );
lastWord = "";
curEditor->viewport()->setCursor( ibeamCursor );
if ( oldHighlightedParag ) {
oldHighlightedParag->setEndState( -1 );
oldHighlightedParag->format();
curEditor->repaintChanged();
oldHighlightedParag = 0;
}
if ( killEvent )
return TRUE;
} break;
case TQEvent::KeyRelease:
lastWord = "";
ke = (TQKeyEvent*)e;
if ( ke->key() == Key_Control ) {
curEditor->viewport()->setCursor( ibeamCursor );
if ( oldHighlightedParag ) {
oldHighlightedParag->setEndState( -1 );
oldHighlightedParag->format();
curEditor->repaintChanged();
oldHighlightedParag = 0;
}
}
default:
break;
}
}
return FALSE;
}
void EditorBrowser::setCurrentEdior( Editor *e )
{
curEditor = e;
curEditor->installEventFilter( this );
}
void EditorBrowser::addEditor( Editor *e )
{
e->installEventFilter( this );
}
bool EditorBrowser::findCursor( const TQTextCursor &c, TQTextCursor &from, TQTextCursor &to )
{
from = c;
while ( from.paragraph()->at( from.index() )->c != ' ' && from.paragraph()->at( from.index() )->c != '\t' && from.index() > 0 )
from.gotoLeft();
if ( from.paragraph()->at( from.index() )->c == ' ' || from.paragraph()->at( from.index() )->c == '\t' )
from.gotoRight();
to = c;
while ( to.paragraph()->at( to.index() )->c != ' ' && to.paragraph()->at( to.index() )->c != '\t' &&
to.index() < to.paragraph()->length() - 1 )
to.gotoRight();
if ( to.paragraph()->at( to.index() )->c == ' ' || to.paragraph()->at( to.index() )->c == '\t' )
to.gotoLeft();
return TRUE;
}
|