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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), | |
ac223c1e | 44 | _value(NULL), |
a2b92157 JH |
45 | _spin_box(NULL) |
46 | { | |
47 | } | |
48 | ||
f459c540 JH |
49 | Int::~Int() |
50 | { | |
ac223c1e JH |
51 | if (_value) |
52 | g_variant_unref(_value); | |
f459c540 JH |
53 | } |
54 | ||
b1fe148e | 55 | QWidget* Int::get_widget(QWidget *parent, bool auto_commit) |
a2b92157 | 56 | { |
ac223c1e JH |
57 | int64_t int_val = 0, range_min = 0, range_max = 0; |
58 | ||
a2b92157 JH |
59 | if (_spin_box) |
60 | return _spin_box; | |
61 | ||
ac223c1e JH |
62 | if (_value) |
63 | g_variant_unref(_value); | |
64 | ||
65 | _value = _getter ? _getter() : NULL; | |
ac223c1e JH |
66 | if (!_value) |
67 | return NULL; | |
68 | ||
a2b92157 JH |
69 | _spin_box = new QSpinBox(parent); |
70 | _spin_box->setSuffix(_suffix); | |
ac223c1e JH |
71 | |
72 | const GVariantType *const type = g_variant_get_type(_value); | |
73 | assert(type); | |
74 | ||
75 | if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) | |
76 | { | |
77 | int_val = g_variant_get_byte(_value); | |
78 | range_min = 0, range_max = UINT8_MAX; | |
79 | } | |
80 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) | |
81 | { | |
82 | int_val = g_variant_get_int16(_value); | |
83 | range_min = INT16_MIN, range_max = INT16_MAX; | |
84 | } | |
85 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) | |
86 | { | |
87 | int_val = g_variant_get_uint16(_value); | |
88 | range_min = 0, range_max = UINT16_MAX; | |
89 | } | |
90 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) | |
91 | { | |
92 | int_val = g_variant_get_int32(_value); | |
93 | range_min = INT32_MIN, range_max = INT32_MAX; | |
94 | } | |
95 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) | |
96 | { | |
97 | int_val = g_variant_get_uint32(_value); | |
98 | range_min = 0, range_max = UINT32_MAX; | |
99 | } | |
100 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) | |
101 | { | |
102 | int_val = g_variant_get_int64(_value); | |
103 | range_min = INT64_MIN, range_max = INT64_MAX; | |
104 | } | |
105 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) | |
106 | { | |
107 | int_val = g_variant_get_uint64(_value); | |
108 | range_min = 0, range_max = UINT64_MAX; | |
109 | } | |
110 | else | |
111 | { | |
112 | // Unexpected value type. | |
113 | assert(0); | |
114 | } | |
115 | ||
116 | // @todo Sigrok supports 64-bit quantities, but Qt does not have a | |
117 | // standard widget to allow the values to be modified over the full | |
118 | // 64-bit range on 32-bit machines. To solve the issue we need a | |
119 | // custom widget. | |
120 | ||
121 | range_min = max(range_min, (int64_t)INT_MIN); | |
122 | range_max = min(range_max, (int64_t)INT_MAX); | |
123 | ||
a2b92157 JH |
124 | if (_range) |
125 | _spin_box->setRange((int)_range->first, (int)_range->second); | |
a915c6a3 | 126 | else |
ac223c1e | 127 | _spin_box->setRange((int)range_min, (int)range_max); |
a2b92157 | 128 | |
ac223c1e | 129 | _spin_box->setValue((int)int_val); |
a2b92157 | 130 | |
b1fe148e JH |
131 | if (auto_commit) |
132 | connect(_spin_box, SIGNAL(valueChanged(int)), | |
133 | this, SLOT(on_value_changed(int))); | |
134 | ||
a2b92157 JH |
135 | return _spin_box; |
136 | } | |
137 | ||
138 | void Int::commit() | |
139 | { | |
140 | assert(_setter); | |
141 | ||
142 | if (!_spin_box) | |
143 | return; | |
144 | ||
ac223c1e JH |
145 | assert(_value); |
146 | ||
147 | GVariant *new_value = NULL; | |
148 | const GVariantType *const type = g_variant_get_type(_value); | |
149 | assert(type); | |
150 | ||
151 | if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) | |
152 | new_value = g_variant_new_byte(_spin_box->value()); | |
153 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) | |
154 | new_value = g_variant_new_int16(_spin_box->value()); | |
155 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) | |
156 | new_value = g_variant_new_uint16(_spin_box->value()); | |
157 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) | |
158 | new_value = g_variant_new_int32(_spin_box->value()); | |
159 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) | |
160 | new_value = g_variant_new_int32(_spin_box->value()); | |
161 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) | |
162 | new_value = g_variant_new_int64(_spin_box->value()); | |
163 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) | |
164 | new_value = g_variant_new_uint64(_spin_box->value()); | |
165 | else | |
166 | { | |
167 | // Unexpected value type. | |
168 | assert(0); | |
169 | } | |
170 | ||
171 | assert(new_value); | |
172 | ||
173 | g_variant_unref(_value); | |
174 | g_variant_ref(new_value); | |
175 | _value = new_value; | |
176 | ||
177 | _setter(new_value); | |
a2b92157 JH |
178 | } |
179 | ||
b1fe148e JH |
180 | void Int::on_value_changed(int) |
181 | { | |
182 | commit(); | |
183 | } | |
184 | ||
a2b92157 JH |
185 | } // prop |
186 | } // pv |