File: CustomToolButton.cpp

package info (click to toggle)
qtop 2.3.4-4
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 3,976 kB
  • sloc: cpp: 40,477; makefile: 7
file content (162 lines) | stat: -rw-r--r-- 5,214 bytes parent folder | download | duplicates (3)
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
/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This software 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 General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program.  If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/


#include "CustomToolButton.h"

#include "IconSize.h"
#include "Singleton.h"
#include "XmlOptions.h"

#include <QIcon>
#include <QPixmap>
#include <QStylePainter>
#include <QStyleOptionToolButton>

//___________________________________________________________________
CustomToolButton::CustomToolButton( QWidget* parent ):
    QToolButton( parent ),
    Counter( "CustomToolButton" )
{

    Debug::Throw( "CustomToolButton::CustomToolButton.\n" );

    // auto-raise
    setAutoRaise( true );

    // configuration
    connect( Base::Singleton::get().application(), SIGNAL(configurationChanged()), SLOT(_updateConfiguration()) );
    _updateConfiguration();

}

//______________________________________________________________________
bool CustomToolButton::rotate( const CustomPixmap::Rotation& value )
{
    Debug::Throw( "CustomToolButton::rotate.\n" );
    if( rotation_ == value ) return false;

    const QIcon source( icon() );
    QIcon copy;

    // loop over available sizes, modes and states
    QList<QIcon::Mode> modes;
    modes << QIcon::Normal << QIcon::Disabled << QIcon::Active << QIcon::Selected;

    QList<QIcon::State> states;
    states << QIcon::Off << QIcon::On;

    for( const auto& size:source.availableSizes() )
    for( const auto& mode:modes )
    for( const auto& state:states )
    {
        CustomPixmap pixmap( source.pixmap( size, mode, state ) );
        if( pixmap.isNull() ) continue;

        // clockwise rotations
        if(
            ( rotation_ == CustomPixmap::Rotation::None && value == CustomPixmap::Rotation::CounterClockwise ) ||
            ( rotation_ == CustomPixmap::Rotation::Clockwise && value == CustomPixmap::Rotation::None ) )
        {
            copy.addPixmap( pixmap.rotated( CustomPixmap::Rotation::Clockwise ), mode, state );
        } else if(
            ( rotation_ == CustomPixmap::Rotation::None && value == CustomPixmap::Rotation::Clockwise ) ||
            ( rotation_ == CustomPixmap::Rotation::CounterClockwise && value == CustomPixmap::Rotation::None ) )
        {
            copy.addPixmap( pixmap.rotated( CustomPixmap::Rotation::CounterClockwise ), mode, state );
        }

    }

    setIcon( copy );
    rotation_ = value;
    return true;
}

//______________________________________________________________________
QSize CustomToolButton::sizeHint() const
{
    QSize size( QToolButton::sizeHint() );
    if( rotation_ != CustomPixmap::Rotation::None ) size.transpose();
    return size;
}

//______________________________________________________________________
void CustomToolButton::paintEvent( QPaintEvent* event )
{

    // default implementation if not rotated
    if( rotation_ == CustomPixmap::Rotation::None ) return QToolButton::paintEvent( event );

    // rotated paint
    QStylePainter painter(this);
    QStyleOptionToolButton option;
    initStyleOption(&option);

    // first draw normal frame and not text/icon
    option.text = QString();
    option.icon = QIcon();
    painter.drawComplexControl(QStyle::CC_ToolButton, option);

    // rotate the options
    QSize size( option.rect.size() );
    size.transpose();
    option.rect.setSize( size );

    // rotate the painter
    if( rotation_ == CustomPixmap::Rotation::CounterClockwise )
    {

        painter.translate( 0, height() );
        painter.rotate( -90 );

    } else {

        painter.translate( width(), 0 );
        painter.rotate( 90 );

    }

    // paint text and icon
    option.text = text();
    option.icon = icon();
    painter.drawControl(QStyle::CE_ToolButtonLabel, option);
    painter.end();

    return;
}

//_________________________________________________________________
void CustomToolButton::_updateConfiguration()
{
    Debug::Throw( "CustomToolButton::_updateConfiguration.\n");

    if( !updateFromOptions_ ) return;

    int iconSize( XmlOptions::get().get<int>( "TOOLBUTTON_ICON_SIZE" ) );
    if( iconSize <= 0 ) iconSize = style()->pixelMetric( QStyle::PM_ToolBarIconSize );
    setIconSize( QSize( iconSize, iconSize ) );

    const int toolButtonTextPosition( XmlOptions::get().get<int>( "TOOLBUTTON_TEXT_POSITION" ) );
    if( toolButtonTextPosition < 0 ) setToolButtonStyle( (Qt::ToolButtonStyle) style()->styleHint( QStyle::SH_ToolButtonStyle ) );
    else setToolButtonStyle( (Qt::ToolButtonStyle) toolButtonTextPosition );

    adjustSize();

}