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a2b92157 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 | ||
ac223c1e | 21 | #include <stdint.h> |
a2b92157 JH |
22 | #include <assert.h> |
23 | ||
24 | #include <QSpinBox> | |
25 | ||
26 | #include "int.h" | |
27 | ||
819f4c25 JH |
28 | using boost::optional; |
29 | using std::max; | |
30 | using std::min; | |
31 | using std::pair; | |
a2b92157 JH |
32 | |
33 | namespace pv { | |
34 | namespace prop { | |
35 | ||
36 | Int::Int(QString name, | |
37 | QString suffix, | |
38 | optional< pair<int64_t, int64_t> > range, | |
39 | Getter getter, | |
40 | Setter setter) : | |
41 | Property(name, getter, setter), | |
42 | _suffix(suffix), | |
43 | _range(range), | |
44 | _spin_box(NULL) | |
45 | { | |
46 | } | |
47 | ||
f459c540 JH |
48 | Int::~Int() |
49 | { | |
50 | } | |
51 | ||
b1fe148e | 52 | QWidget* Int::get_widget(QWidget *parent, bool auto_commit) |
a2b92157 | 53 | { |
ac223c1e JH |
54 | int64_t int_val = 0, range_min = 0, range_max = 0; |
55 | ||
a2b92157 JH |
56 | if (_spin_box) |
57 | return _spin_box; | |
58 | ||
e8d00928 ML |
59 | if (!_getter) |
60 | return NULL; | |
61 | ||
62 | _value = _getter(); | |
ac223c1e | 63 | |
e8d00928 ML |
64 | GVariant *value = _value.gobj(); |
65 | if (!value) | |
ac223c1e JH |
66 | return NULL; |
67 | ||
a2b92157 JH |
68 | _spin_box = new QSpinBox(parent); |
69 | _spin_box->setSuffix(_suffix); | |
ac223c1e | 70 | |
e8d00928 | 71 | const GVariantType *const type = g_variant_get_type(value); |
ac223c1e JH |
72 | assert(type); |
73 | ||
74 | if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) | |
75 | { | |
e8d00928 | 76 | int_val = g_variant_get_byte(value); |
ac223c1e JH |
77 | range_min = 0, range_max = UINT8_MAX; |
78 | } | |
79 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) | |
80 | { | |
e8d00928 | 81 | int_val = g_variant_get_int16(value); |
ac223c1e JH |
82 | range_min = INT16_MIN, range_max = INT16_MAX; |
83 | } | |
84 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) | |
85 | { | |
e8d00928 | 86 | int_val = g_variant_get_uint16(value); |
ac223c1e JH |
87 | range_min = 0, range_max = UINT16_MAX; |
88 | } | |
89 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) | |
90 | { | |
e8d00928 | 91 | int_val = g_variant_get_int32(value); |
ac223c1e JH |
92 | range_min = INT32_MIN, range_max = INT32_MAX; |
93 | } | |
94 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) | |
95 | { | |
e8d00928 | 96 | int_val = g_variant_get_uint32(value); |
ac223c1e JH |
97 | range_min = 0, range_max = UINT32_MAX; |
98 | } | |
99 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) | |
100 | { | |
e8d00928 | 101 | int_val = g_variant_get_int64(value); |
ac223c1e JH |
102 | range_min = INT64_MIN, range_max = INT64_MAX; |
103 | } | |
104 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) | |
105 | { | |
e8d00928 | 106 | int_val = g_variant_get_uint64(value); |
ac223c1e JH |
107 | range_min = 0, range_max = UINT64_MAX; |
108 | } | |
109 | else | |
110 | { | |
111 | // Unexpected value type. | |
112 | assert(0); | |
113 | } | |
114 | ||
115 | // @todo Sigrok supports 64-bit quantities, but Qt does not have a | |
116 | // standard widget to allow the values to be modified over the full | |
117 | // 64-bit range on 32-bit machines. To solve the issue we need a | |
118 | // custom widget. | |
119 | ||
120 | range_min = max(range_min, (int64_t)INT_MIN); | |
121 | range_max = min(range_max, (int64_t)INT_MAX); | |
122 | ||
a2b92157 JH |
123 | if (_range) |
124 | _spin_box->setRange((int)_range->first, (int)_range->second); | |
a915c6a3 | 125 | else |
ac223c1e | 126 | _spin_box->setRange((int)range_min, (int)range_max); |
a2b92157 | 127 | |
ac223c1e | 128 | _spin_box->setValue((int)int_val); |
a2b92157 | 129 | |
b1fe148e JH |
130 | if (auto_commit) |
131 | connect(_spin_box, SIGNAL(valueChanged(int)), | |
132 | this, SLOT(on_value_changed(int))); | |
133 | ||
a2b92157 JH |
134 | return _spin_box; |
135 | } | |
136 | ||
137 | void Int::commit() | |
138 | { | |
139 | assert(_setter); | |
140 | ||
141 | if (!_spin_box) | |
142 | return; | |
143 | ||
ac223c1e | 144 | GVariant *new_value = NULL; |
e8d00928 | 145 | const GVariantType *const type = g_variant_get_type(_value.gobj()); |
ac223c1e JH |
146 | assert(type); |
147 | ||
148 | if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) | |
149 | new_value = g_variant_new_byte(_spin_box->value()); | |
150 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) | |
151 | new_value = g_variant_new_int16(_spin_box->value()); | |
152 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) | |
153 | new_value = g_variant_new_uint16(_spin_box->value()); | |
154 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) | |
155 | new_value = g_variant_new_int32(_spin_box->value()); | |
156 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) | |
157 | new_value = g_variant_new_int32(_spin_box->value()); | |
158 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) | |
159 | new_value = g_variant_new_int64(_spin_box->value()); | |
160 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) | |
161 | new_value = g_variant_new_uint64(_spin_box->value()); | |
162 | else | |
163 | { | |
164 | // Unexpected value type. | |
165 | assert(0); | |
166 | } | |
167 | ||
168 | assert(new_value); | |
169 | ||
e8d00928 | 170 | _value = Glib::VariantBase(new_value); |
ac223c1e | 171 | |
e8d00928 | 172 | _setter(_value); |
a2b92157 JH |
173 | } |
174 | ||
b1fe148e JH |
175 | void Int::on_value_changed(int) |
176 | { | |
177 | commit(); | |
178 | } | |
179 | ||
a2b92157 JH |
180 | } // prop |
181 | } // pv |