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
|
/* -*- Mode: C++ -*-
KD Tools - a set of useful widgets for TQt
*/
/****************************************************************************
** Copyright (C) 2005 Klarälvdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KD Tools library.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid commercial KD Tools licenses may use this file in
** accordance with the KD Tools Commercial License Agreement provided with
** the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.klaralvdalens-datakonsult.se/?page=products for
** information about KD Tools Commercial License Agreements.
**
** Contact info@klaralvdalens-datakonsult.se if any conditions of this
** licensing are not clear to you.
**
** In addition, as a special exception, the copyright holders give
** permission to link the code of this program with any edition of the
** TQt library by Trolltech AS, Norway (or with modified versions of TQt
** that use the same license as TQt), and distribute linked
** combinations including the two. You must obey the GNU General
** Public License in all respects for all of the code used other than
** TQt. If you modify this file, you may extend this exception to your
** version of the file, but you are not obligated to do so. If you do
** not wish to do so, delete this exception statement from your
** version.
**
**********************************************************************/
#include "kdhorizontalline.h"
#include <tqstyle.h>
#include <tqpainter.h>
#ifdef TQT_ACCESSIBILITY_SUPPORT
#include <tqaccessible.h>
#endif
#include <tqfontmetrics.h>
#include <tqapplication.h>
KDHorizontalLine::KDHorizontalLine( TQWidget * parent, const char * name, WFlags f )
: TQFrame( parent, name, f ),
mAlign( TQt::AlignAuto ),
mLenVisible( 0 )
{
TQFrame::setFrameStyle( HLine | Sunken );
}
KDHorizontalLine::KDHorizontalLine( const TQString & title, TQWidget * parent, const char * name, WFlags f )
: TQFrame( parent, name, f ),
mAlign( TQt::AlignAuto ),
mLenVisible( 0 )
{
TQFrame::setFrameStyle( HLine | Sunken );
setTitle( title );
}
KDHorizontalLine::~KDHorizontalLine() {}
void KDHorizontalLine::setFrameStyle( int style ) {
TQFrame::setFrameStyle( ( style & ~MShape ) | HLine ); // force HLine
}
void KDHorizontalLine::setTitle( const TQString & title ) {
if ( mTitle == title )
return;
mTitle = title;
calculateFrame();
update();
updateGeometry();
#ifdef TQT_ACCESSIBILITY_SUPPORT
TQAccessible::updateAccessibility( this, 0, TQAccessible::NameChanged );
#endif
}
void KDHorizontalLine::calculateFrame() {
mLenVisible = mTitle.length();
#if 0
if ( mLenVisible ) {
const TQFontMetrics fm = fontMetrics();
while ( mLenVisible ) {
const int tw = fm.width( mTitle, mLenVisible ) + 4*fm.width(TQChar(' '));
if ( tw < width() )
break;
mLenVisible--;
}
qDebug( "mLenVisible = %d (of %d)", mLenVisible, mTitle.length() );
if ( mLenVisible ) { // but do we also have a visible label?
TQRect r = rect();
const int va = tqstyle().styleHint( TQStyle::SH_GroupBox_TextLabelVerticalAlignment, this );
if( va & AlignVCenter )
r.setTop( fm.height() / 2 ); // frame rect should be
else if( va & AlignTop )
r.setTop( fm.ascent() );
setFrameRect( r ); // smaller than client rect
return;
}
}
// no visible label
setFrameRect( TQRect(0,0,0,0) ); // then use client rect
#endif
}
TQSizePolicy KDHorizontalLine::sizePolicy() const {
return TQSizePolicy( TQSizePolicy::Minimum, TQSizePolicy::Fixed );
}
TQSize KDHorizontalLine::sizeHint() const {
return minimumSizeHint();
}
TQSize KDHorizontalLine::minimumSizeHint() const {
const int w = fontMetrics().width( mTitle, mLenVisible ) +
fontMetrics().width( TQChar( ' ' ) );
const int h = fontMetrics().height();
return TQSize( TQMAX( w, indentHint() ), h ).expandedTo( tqApp->globalStrut() );
}
void KDHorizontalLine::paintEvent( TQPaintEvent * e ) {
TQPainter paint( this );
if ( mLenVisible ) { // draw title
const TQFontMetrics & fm = paint.fontMetrics();
const int h = fm.height();
const int tw = fm.width( mTitle, mLenVisible ) + fm.width(TQChar(' '));
int x;
if ( mAlign & AlignHCenter ) // center tqalignment
x = frameRect().width()/2 - tw/2;
else if ( mAlign & AlignRight ) // right tqalignment
x = frameRect().width() - tw;
else if ( mAlign & AlignLeft ) // left tqalignment
x = 0;
else { // auto align
if( TQApplication::reverseLayout() )
x = frameRect().width() - tw;
else
x = 0;
}
TQRect r( x, 0, tw, h );
int va = tqstyle().styleHint( TQStyle::SH_GroupBox_TextLabelVerticalAlignment, this );
if ( va & AlignTop )
r.moveBy( 0, fm.descent() );
const TQColor pen( (TQRgb) tqstyle().styleHint( TQStyle::SH_GroupBox_TextLabelColor, this ) );
if ( !tqstyle().styleHint( TQStyle::SH_UnderlineAccelerator, this ) )
va |= NoAccel;
tqstyle().drawItem( &paint, r, ShowPrefix | AlignHCenter | va, colorGroup(),
isEnabled(), 0, mTitle, -1, ownPalette() ? 0 : &pen );
paint.setClipRegion( e->region().subtract( r ) ); // clip everything but title
}
drawFrame( &paint );
drawContents( &paint );
}
// static
int KDHorizontalLine::indentHint() {
return 30;
}
#include "kdhorizontalline.moc"
|
