]>
Commit | Line | Data |
---|---|---|
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 | ||
28 | using namespace std; | |
29 | using namespace boost; | |
30 | ||
31 | namespace pv { | |
32 | namespace prop { | |
33 | ||
34 | Int::Int(QString name, | |
35 | QString suffix, | |
36 | optional< pair<int64_t, int64_t> > range, | |
37 | Getter getter, | |
38 | Setter setter) : | |
39 | Property(name, getter, setter), | |
40 | _suffix(suffix), | |
41 | _range(range), | |
ac223c1e | 42 | _value(NULL), |
a2b92157 JH |
43 | _spin_box(NULL) |
44 | { | |
45 | } | |
46 | ||
f459c540 JH |
47 | Int::~Int() |
48 | { | |
ac223c1e JH |
49 | if (_value) |
50 | g_variant_unref(_value); | |
f459c540 JH |
51 | } |
52 | ||
b1fe148e | 53 | QWidget* Int::get_widget(QWidget *parent, bool auto_commit) |
a2b92157 | 54 | { |
ac223c1e JH |
55 | int64_t int_val = 0, range_min = 0, range_max = 0; |
56 | ||
a2b92157 JH |
57 | if (_spin_box) |
58 | return _spin_box; | |
59 | ||
ac223c1e JH |
60 | if (_value) |
61 | g_variant_unref(_value); | |
62 | ||
63 | _value = _getter ? _getter() : NULL; | |
64 | assert(_value); | |
65 | if (!_value) | |
66 | return NULL; | |
67 | ||
a2b92157 JH |
68 | _spin_box = new QSpinBox(parent); |
69 | _spin_box->setSuffix(_suffix); | |
ac223c1e JH |
70 | |
71 | const GVariantType *const type = g_variant_get_type(_value); | |
72 | assert(type); | |
73 | ||
74 | if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) | |
75 | { | |
76 | int_val = g_variant_get_byte(_value); | |
77 | range_min = 0, range_max = UINT8_MAX; | |
78 | } | |
79 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) | |
80 | { | |
81 | int_val = g_variant_get_int16(_value); | |
82 | range_min = INT16_MIN, range_max = INT16_MAX; | |
83 | } | |
84 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) | |
85 | { | |
86 | int_val = g_variant_get_uint16(_value); | |
87 | range_min = 0, range_max = UINT16_MAX; | |
88 | } | |
89 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) | |
90 | { | |
91 | int_val = g_variant_get_int32(_value); | |
92 | range_min = INT32_MIN, range_max = INT32_MAX; | |
93 | } | |
94 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) | |
95 | { | |
96 | int_val = g_variant_get_uint32(_value); | |
97 | range_min = 0, range_max = UINT32_MAX; | |
98 | } | |
99 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) | |
100 | { | |
101 | int_val = g_variant_get_int64(_value); | |
102 | range_min = INT64_MIN, range_max = INT64_MAX; | |
103 | } | |
104 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) | |
105 | { | |
106 | int_val = g_variant_get_uint64(_value); | |
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 JH |
144 | assert(_value); |
145 | ||
146 | GVariant *new_value = NULL; | |
147 | const GVariantType *const type = g_variant_get_type(_value); | |
148 | assert(type); | |
149 | ||
150 | if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) | |
151 | new_value = g_variant_new_byte(_spin_box->value()); | |
152 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) | |
153 | new_value = g_variant_new_int16(_spin_box->value()); | |
154 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) | |
155 | new_value = g_variant_new_uint16(_spin_box->value()); | |
156 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) | |
157 | new_value = g_variant_new_int32(_spin_box->value()); | |
158 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) | |
159 | new_value = g_variant_new_int32(_spin_box->value()); | |
160 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) | |
161 | new_value = g_variant_new_int64(_spin_box->value()); | |
162 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) | |
163 | new_value = g_variant_new_uint64(_spin_box->value()); | |
164 | else | |
165 | { | |
166 | // Unexpected value type. | |
167 | assert(0); | |
168 | } | |
169 | ||
170 | assert(new_value); | |
171 | ||
172 | g_variant_unref(_value); | |
173 | g_variant_ref(new_value); | |
174 | _value = new_value; | |
175 | ||
176 | _setter(new_value); | |
a2b92157 JH |
177 | } |
178 | ||
b1fe148e JH |
179 | void Int::on_value_changed(int) |
180 | { | |
181 | commit(); | |
182 | } | |
183 | ||
a2b92157 JH |
184 | } // prop |
185 | } // pv |