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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 | ||
21 | #include "sweeptimingwidget.h" | |
22 | ||
23 | #include <assert.h> | |
24 | ||
25 | namespace pv { | |
26 | namespace widgets { | |
27 | ||
28 | SweepTimingWidget::SweepTimingWidget(const char *suffix, | |
29 | QWidget *parent) : | |
30 | QWidget(parent), | |
31 | _layout(this), | |
32 | _read_only_value(this), | |
33 | _value(this), | |
34 | _list(this), | |
35 | _value_type(None) | |
36 | { | |
37 | setContentsMargins(0, 0, 0, 0); | |
38 | ||
39 | _value.setDecimals(0); | |
40 | _value.setSuffix(QString::fromUtf8(suffix)); | |
41 | ||
42 | connect(&_list, SIGNAL(currentIndexChanged(int)), | |
43 | this, SIGNAL(value_changed())); | |
44 | connect(&_value, SIGNAL(editingFinished()), | |
45 | this, SIGNAL(value_changed())); | |
46 | ||
47 | setLayout(&_layout); | |
48 | _layout.setMargin(0); | |
49 | _layout.addWidget(&_read_only_value); | |
50 | _layout.addWidget(&_list); | |
51 | _layout.addWidget(&_value); | |
52 | ||
53 | show_none(); | |
54 | } | |
55 | ||
56 | void SweepTimingWidget::show_none() | |
57 | { | |
58 | _value_type = None; | |
59 | _read_only_value.hide(); | |
60 | _value.hide(); | |
61 | _list.hide(); | |
62 | } | |
63 | ||
64 | void SweepTimingWidget::show_read_only() | |
65 | { | |
66 | _value_type = ReadOnly; | |
67 | _read_only_value.show(); | |
68 | _value.hide(); | |
69 | _list.hide(); | |
70 | } | |
71 | ||
72 | void SweepTimingWidget::show_min_max_step(uint64_t min, uint64_t max, | |
73 | uint64_t step) | |
74 | { | |
75 | _value_type = MinMaxStep; | |
76 | ||
77 | _value.setRange(min, max); | |
78 | _value.setSingleStep(step); | |
79 | ||
80 | _read_only_value.hide(); | |
81 | _value.show(); | |
82 | _list.hide(); | |
83 | } | |
84 | ||
85 | void SweepTimingWidget::show_list(const uint64_t *vals, size_t count) | |
86 | { | |
87 | _value_type = List; | |
88 | ||
89 | _list.clear(); | |
90 | for (size_t i = 0; i < count; i++) | |
91 | { | |
92 | char *const s = sr_samplerate_string(vals[i]); | |
93 | _list.addItem(QString::fromUtf8(s), | |
94 | qVariantFromValue(vals[i])); | |
95 | g_free(s); | |
96 | } | |
97 | ||
98 | _read_only_value.hide(); | |
99 | _value.hide(); | |
100 | _list.show(); | |
101 | } | |
102 | ||
103 | uint64_t SweepTimingWidget::value() const | |
104 | { | |
105 | switch(_value_type) | |
106 | { | |
107 | case None: | |
108 | case ReadOnly: | |
109 | return 0; | |
110 | ||
111 | case MinMaxStep: | |
112 | return (uint64_t)_value.value(); | |
113 | ||
114 | case List: | |
115 | { | |
116 | const int index = _list.currentIndex(); | |
117 | return (index >= 0) ? _list.itemData( | |
118 | index).value<uint64_t>() : 0; | |
119 | } | |
120 | ||
121 | default: | |
122 | // Unexpected value type | |
123 | assert(0); | |
124 | return 0; | |
125 | } | |
126 | } | |
127 | ||
128 | void SweepTimingWidget::set_value(uint64_t value) | |
129 | { | |
130 | _read_only_value.setText(QString("%1").arg(value)); | |
131 | ||
132 | _value.setValue(value); | |
133 | ||
134 | for (int i = 0; i < _list.count(); i++) | |
135 | if (value == _list.itemData(i).value<uint64_t>()) | |
136 | _list.setCurrentIndex(i); | |
137 | } | |
138 | ||
139 | } // widgets | |
140 | } // pv |