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a52fcc76 JH |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
a52fcc76 JH |
18 | */ |
19 | ||
641574bc | 20 | #include "colorbutton.hpp" |
a52fcc76 | 21 | |
eb8269e3 | 22 | #include <cassert> |
b213ef09 JH |
23 | |
24 | #include <QApplication> | |
4521022b | 25 | #include <QColorDialog> |
b213ef09 JH |
26 | #include <QPainter> |
27 | ||
a52fcc76 JH |
28 | namespace pv { |
29 | namespace widgets { | |
30 | ||
641574bc | 31 | const int ColorButton::SwatchMargin = 7; |
a52fcc76 | 32 | |
4521022b SA |
33 | ColorButton::ColorButton(QWidget *parent) : |
34 | QPushButton("", parent), | |
35 | popup_(nullptr) | |
36 | { | |
37 | connect(this, SIGNAL(clicked(bool)), this, SLOT(on_clicked(bool))); | |
38 | } | |
39 | ||
641574bc | 40 | ColorButton::ColorButton(int rows, int cols, QWidget *parent) : |
a52fcc76 | 41 | QPushButton("", parent), |
4521022b | 42 | popup_(new ColorPopup(rows, cols, this)) |
a52fcc76 JH |
43 | { |
44 | connect(this, SIGNAL(clicked(bool)), this, SLOT(on_clicked(bool))); | |
4521022b | 45 | connect(popup_, SIGNAL(selected(int, int)), |
a52fcc76 JH |
46 | this, SLOT(on_selected(int, int))); |
47 | } | |
48 | ||
4521022b | 49 | ColorPopup* ColorButton::popup() |
a52fcc76 | 50 | { |
8dbbc7f0 | 51 | return popup_; |
a52fcc76 JH |
52 | } |
53 | ||
641574bc | 54 | const QColor& ColorButton::color() const |
a52fcc76 | 55 | { |
641574bc | 56 | return cur_color_; |
a52fcc76 JH |
57 | } |
58 | ||
641574bc | 59 | void ColorButton::set_color(QColor color) |
a52fcc76 | 60 | { |
641574bc | 61 | cur_color_ = color; |
a52fcc76 | 62 | |
4521022b SA |
63 | if (popup_) { |
64 | const unsigned int rows = popup_->well_array().numRows(); | |
65 | const unsigned int cols = popup_->well_array().numCols(); | |
66 | ||
67 | for (unsigned int r = 0; r < rows; r++) | |
68 | for (unsigned int c = 0; c < cols; c++) | |
69 | if (popup_->well_array().cellBrush(r, c).color() == color) { | |
70 | popup_->well_array().setSelected(r, c); | |
71 | popup_->well_array().setCurrent(r, c); | |
72 | return; | |
73 | } | |
74 | } | |
a52fcc76 JH |
75 | } |
76 | ||
641574bc | 77 | void ColorButton::set_palette(const QColor *const palette) |
a52fcc76 JH |
78 | { |
79 | assert(palette); | |
4521022b | 80 | assert(popup_); |
a52fcc76 | 81 | |
4521022b SA |
82 | const unsigned int rows = popup_->well_array().numRows(); |
83 | const unsigned int cols = popup_->well_array().numCols(); | |
a52fcc76 JH |
84 | |
85 | for (unsigned int r = 0; r < rows; r++) | |
86 | for (unsigned int c = 0; c < cols; c++) | |
4521022b | 87 | popup_->well_array().setCellBrush(r, c, QBrush(palette[r * cols + c])); |
a52fcc76 JH |
88 | } |
89 | ||
641574bc | 90 | void ColorButton::on_clicked(bool) |
a52fcc76 | 91 | { |
4521022b SA |
92 | if (popup_) { |
93 | popup_->set_position(mapToGlobal(rect().center()), Popup::Bottom); | |
94 | popup_->show(); | |
95 | } else { | |
96 | QColorDialog dlg(this); | |
97 | dlg.setOption(QColorDialog::ShowAlphaChannel); | |
98 | dlg.setOption(QColorDialog::DontUseNativeDialog); | |
99 | connect(&dlg, SIGNAL(colorSelected(const QColor)), | |
100 | this, SLOT(on_color_selected(const QColor))); | |
101 | dlg.setCurrentColor(cur_color_); | |
102 | dlg.exec(); | |
103 | } | |
a52fcc76 JH |
104 | } |
105 | ||
641574bc | 106 | void ColorButton::on_selected(int row, int col) |
a52fcc76 | 107 | { |
4521022b SA |
108 | assert(popup_); |
109 | ||
110 | cur_color_ = popup_->well_array().cellBrush(row, col).color(); | |
111 | selected(cur_color_); | |
112 | } | |
113 | ||
114 | void ColorButton::on_color_selected(const QColor& color) | |
115 | { | |
116 | cur_color_ = color; | |
641574bc | 117 | selected(cur_color_); |
a52fcc76 JH |
118 | } |
119 | ||
641574bc | 120 | void ColorButton::paintEvent(QPaintEvent *event) |
a52fcc76 | 121 | { |
d9ea9628 | 122 | QPushButton::paintEvent(event); |
a52fcc76 JH |
123 | |
124 | QPainter p(this); | |
125 | ||
126 | const QRect r = rect().adjusted(SwatchMargin, SwatchMargin, | |
127 | -SwatchMargin, -SwatchMargin); | |
128 | p.setPen(QApplication::palette().color(QPalette::Dark)); | |
641574bc | 129 | p.setBrush(QBrush(cur_color_)); |
a52fcc76 JH |
130 | p.drawRect(r); |
131 | } | |
132 | ||
870ea3db UH |
133 | } // namespace widgets |
134 | } // namespace pv |