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
|
#include <BALL/VIEW/WIDGETS/colorButton.h>
#include <BALL/VIEW/DATATYPE/colorRGBA.h>
#include <QtGui/QPaintEvent>
#include <QtWidgets>
#include <QtGui/QPainter>
#include <QtWidgets/QStyle>
#include <QtWidgets/QStyleOption>
#include <QtWidgets/QApplication>
namespace BALL
{
namespace VIEW
{
ColorButton::ColorButton(QWidget* parent)
: QPushButton(parent),
enable_alpha_(false)
{
setup_();
}
ColorButton::ColorButton(const QColor& color, QWidget* parent)
: QPushButton(parent),
color_(color),
default_color_(color),
enable_alpha_(false)
{
setup_();
}
ColorButton::ColorButton(const QColor& color, const QColor& default_color, QWidget* parent)
: QPushButton(parent),
color_(color),
default_color_(default_color),
enable_alpha_(false)
{
setup_();
}
ColorButton::ColorButton(const ColorRGBA& color, QWidget* parent)
: QPushButton(parent),
color_(color.getQColor()),
default_color_(color.getQColor()),
enable_alpha_(false)
{
setup_();
}
ColorButton::ColorButton(const ColorRGBA& color, const ColorRGBA& default_color, QWidget* parent)
: QPushButton(parent),
color_(color.getQColor()),
default_color_(default_color.getQColor()),
enable_alpha_(false)
{
setup_();
}
ColorButton::~ColorButton()
{
setup_();
}
void ColorButton::setup_()
{
connect(this, SIGNAL(clicked()), this, SLOT(chooseColor()));
}
void ColorButton::chooseColor()
{
QColor tmp;
if(enable_alpha_) {
tmp = QColorDialog::getColor(color_, this, tr("Select color"), QColorDialog::ShowAlphaChannel);
} else {
tmp = QColorDialog::getColor(color_, this, tr("Choose color"));
}
if(tmp.isValid()) {
color_ = tmp;
Q_EMIT colorChanged(color_);
}
}
void ColorButton::setEnableAlpha(bool enable)
{
if(enable != enable_alpha_) {
setColor(color_.rgb());
enable_alpha_ = enable;
}
}
bool ColorButton::isAlphaEnabled() const
{
return enable_alpha_;
}
void ColorButton::setColor(const QColor& color)
{
color_ = color;
update();
}
void ColorButton::setColor(const ColorRGBA& color)
{
color_ = color.getQColor();
}
const QColor& ColorButton::getColor() const
{
return color_;
}
void ColorButton::setDefaultColor(const QColor& color)
{
default_color_ = color;
}
void ColorButton::setDefaultColor(const ColorRGBA& color)
{
default_color_ = color.getQColor();
}
const QColor& ColorButton::getDefaultColor() const
{
return default_color_;
}
//Stolen from KDE (KColorButton)
void ColorButton::paintEvent( QPaintEvent* )
{
QPainter painter(this);
//First, we need to draw the bevel.
QStyleOptionButton butOpt;
initStyleOption(&butOpt);
style()->drawControl( QStyle::CE_PushButtonBevel, &butOpt, &painter, this );
//OK, now we can muck around with drawing out pretty little color box
//First, sort out where it goes
QRect labelRect = style()->subElementRect( QStyle::SE_PushButtonContents,
&butOpt, this );
int shift = style()->pixelMetric( QStyle::PM_ButtonMargin );
labelRect.adjust(shift, shift, -shift, -shift);
int x, y, w, h;
labelRect.getRect(&x, &y, &w, &h);
if (isChecked() || isDown()) {
x += style()->pixelMetric( QStyle::PM_ButtonShiftHorizontal );
y += style()->pixelMetric( QStyle::PM_ButtonShiftVertical );
}
QColor fillCol = isEnabled() ? color_ : palette().color(backgroundRole());
qDrawShadePanel( &painter, x, y, w, h, palette(), true, 1, NULL);
if ( fillCol.isValid() )
painter.fillRect( x+1, y+1, w-2, h-2, fillCol );
if ( hasFocus() ) {
QRect focusRect = style()->subElementRect( QStyle::SE_PushButtonFocusRect, &butOpt, this );
QStyleOptionFocusRect focusOpt;
focusOpt.init(this);
focusOpt.rect = focusRect;
focusOpt.backgroundColor = palette().background().color();
style()->drawPrimitive( QStyle::PE_FrameFocusRect, &focusOpt, &painter, this );
}
}
//Stolen from KDE (KColorButton)
QSize ColorButton::sizeHint() const
{
QStyleOptionButton opt;
initStyleOption(&opt);
return style()->sizeFromContents(QStyle::CT_PushButton, &opt, QSize(40, 15), this).
expandedTo(QApplication::globalStrut());
}
}
}
|
