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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 | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
2acdb232 | 21 | #include "colourbutton.hpp" |
a52fcc76 | 22 | |
b213ef09 JH |
23 | #include <assert.h> |
24 | ||
25 | #include <QApplication> | |
26 | #include <QPainter> | |
27 | ||
a52fcc76 JH |
28 | namespace pv { |
29 | namespace widgets { | |
30 | ||
31 | const int ColourButton::SwatchMargin = 7; | |
32 | ||
33 | ColourButton::ColourButton(int rows, int cols, QWidget *parent) : | |
34 | QPushButton("", parent), | |
8dbbc7f0 | 35 | popup_(rows, cols, this) |
a52fcc76 JH |
36 | { |
37 | connect(this, SIGNAL(clicked(bool)), this, SLOT(on_clicked(bool))); | |
8dbbc7f0 | 38 | connect(&popup_, SIGNAL(selected(int, int)), |
a52fcc76 JH |
39 | this, SLOT(on_selected(int, int))); |
40 | } | |
41 | ||
42 | ColourPopup& ColourButton::popup() | |
43 | { | |
8dbbc7f0 | 44 | return popup_; |
a52fcc76 JH |
45 | } |
46 | ||
47 | const QColor& ColourButton::colour() const | |
48 | { | |
8dbbc7f0 | 49 | return cur_colour_; |
a52fcc76 JH |
50 | } |
51 | ||
52 | void ColourButton::set_colour(QColor colour) | |
53 | { | |
8dbbc7f0 | 54 | cur_colour_ = colour; |
a52fcc76 | 55 | |
8dbbc7f0 JH |
56 | const unsigned int rows = popup_.well_array().numRows(); |
57 | const unsigned int cols = popup_.well_array().numCols(); | |
a52fcc76 JH |
58 | |
59 | for (unsigned int r = 0; r < rows; r++) | |
60 | for (unsigned int c = 0; c < cols; c++) | |
8dbbc7f0 | 61 | if (popup_.well_array().cellBrush(r, c).color() == |
a52fcc76 JH |
62 | colour) |
63 | { | |
8dbbc7f0 JH |
64 | popup_.well_array().setSelected(r, c); |
65 | popup_.well_array().setCurrent(r, c); | |
a52fcc76 JH |
66 | return; |
67 | } | |
68 | } | |
69 | ||
70 | void ColourButton::set_palette(const QColor *const palette) | |
71 | { | |
72 | assert(palette); | |
73 | ||
8dbbc7f0 JH |
74 | const unsigned int rows = popup_.well_array().numRows(); |
75 | const unsigned int cols = popup_.well_array().numCols(); | |
a52fcc76 JH |
76 | |
77 | for (unsigned int r = 0; r < rows; r++) | |
78 | for (unsigned int c = 0; c < cols; c++) | |
8dbbc7f0 | 79 | popup_.well_array().setCellBrush(r, c, |
a52fcc76 JH |
80 | QBrush(palette[r * cols + c])); |
81 | } | |
82 | ||
83 | void ColourButton::on_clicked(bool) | |
84 | { | |
8dbbc7f0 JH |
85 | popup_.set_position(mapToGlobal(rect().center()), Popup::Bottom); |
86 | popup_.show(); | |
a52fcc76 JH |
87 | } |
88 | ||
89 | void ColourButton::on_selected(int row, int col) | |
90 | { | |
8dbbc7f0 JH |
91 | cur_colour_ = popup_.well_array().cellBrush(row, col).color(); |
92 | selected(cur_colour_); | |
a52fcc76 JH |
93 | } |
94 | ||
95 | void ColourButton::paintEvent(QPaintEvent *e) | |
96 | { | |
97 | QPushButton::paintEvent(e); | |
98 | ||
99 | QPainter p(this); | |
100 | ||
101 | const QRect r = rect().adjusted(SwatchMargin, SwatchMargin, | |
102 | -SwatchMargin, -SwatchMargin); | |
103 | p.setPen(QApplication::palette().color(QPalette::Dark)); | |
8dbbc7f0 | 104 | p.setBrush(QBrush(cur_colour_)); |
a52fcc76 JH |
105 | p.drawRect(r); |
106 | } | |
107 | ||
108 | } // widgets | |
109 | } // pv |