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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 | ||
2acdb232 | 26 | #include "int.hpp" |
a2b92157 | 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), | |
8dbbc7f0 JH |
42 | suffix_(suffix), |
43 | range_(range), | |
4c60462b | 44 | spin_box_(nullptr) |
a2b92157 JH |
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 | ||
8dbbc7f0 JH |
56 | if (spin_box_) |
57 | return spin_box_; | |
a2b92157 | 58 | |
8dbbc7f0 | 59 | if (!getter_) |
4c60462b | 60 | return nullptr; |
e8d00928 | 61 | |
8dbbc7f0 | 62 | value_ = getter_(); |
ac223c1e | 63 | |
8dbbc7f0 | 64 | GVariant *value = value_.gobj(); |
e8d00928 | 65 | if (!value) |
4c60462b | 66 | return nullptr; |
ac223c1e | 67 | |
8dbbc7f0 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 | ||
8dbbc7f0 JH |
123 | if (range_) |
124 | spin_box_->setRange((int)range_->first, (int)range_->second); | |
a915c6a3 | 125 | else |
8dbbc7f0 | 126 | spin_box_->setRange((int)range_min, (int)range_max); |
a2b92157 | 127 | |
8dbbc7f0 | 128 | spin_box_->setValue((int)int_val); |
a2b92157 | 129 | |
b1fe148e | 130 | if (auto_commit) |
8dbbc7f0 | 131 | connect(spin_box_, SIGNAL(valueChanged(int)), |
b1fe148e JH |
132 | this, SLOT(on_value_changed(int))); |
133 | ||
8dbbc7f0 | 134 | return spin_box_; |
a2b92157 JH |
135 | } |
136 | ||
137 | void Int::commit() | |
138 | { | |
8dbbc7f0 | 139 | assert(setter_); |
a2b92157 | 140 | |
8dbbc7f0 | 141 | if (!spin_box_) |
a2b92157 JH |
142 | return; |
143 | ||
4c60462b | 144 | GVariant *new_value = nullptr; |
8dbbc7f0 | 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)) | |
8dbbc7f0 | 149 | new_value = g_variant_new_byte(spin_box_->value()); |
ac223c1e | 150 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) |
8dbbc7f0 | 151 | new_value = g_variant_new_int16(spin_box_->value()); |
ac223c1e | 152 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) |
8dbbc7f0 | 153 | new_value = g_variant_new_uint16(spin_box_->value()); |
ac223c1e | 154 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) |
8dbbc7f0 | 155 | new_value = g_variant_new_int32(spin_box_->value()); |
ac223c1e | 156 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) |
79118fe5 | 157 | new_value = g_variant_new_uint32(spin_box_->value()); |
ac223c1e | 158 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) |
8dbbc7f0 | 159 | new_value = g_variant_new_int64(spin_box_->value()); |
ac223c1e | 160 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) |
8dbbc7f0 | 161 | new_value = g_variant_new_uint64(spin_box_->value()); |
ac223c1e JH |
162 | else |
163 | { | |
164 | // Unexpected value type. | |
165 | assert(0); | |
166 | } | |
167 | ||
168 | assert(new_value); | |
169 | ||
8dbbc7f0 | 170 | value_ = Glib::VariantBase(new_value); |
ac223c1e | 171 | |
8dbbc7f0 | 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 |