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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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
a2b92157 JH |
18 | */ |
19 | ||
eb8269e3 | 20 | #include <cassert> |
aca9aa83 | 21 | #include <cstdint> |
a2b92157 JH |
22 | |
23 | #include <QSpinBox> | |
24 | ||
2acdb232 | 25 | #include "int.hpp" |
a2b92157 | 26 | |
819f4c25 JH |
27 | using boost::optional; |
28 | using std::max; | |
29 | using std::min; | |
30 | using std::pair; | |
a2b92157 JH |
31 | |
32 | namespace pv { | |
33 | namespace prop { | |
34 | ||
35 | Int::Int(QString name, | |
9a267f8d | 36 | QString desc, |
a2b92157 JH |
37 | QString suffix, |
38 | optional< pair<int64_t, int64_t> > range, | |
39 | Getter getter, | |
40 | Setter setter) : | |
9a267f8d | 41 | Property(name, desc, getter, setter), |
8dbbc7f0 JH |
42 | suffix_(suffix), |
43 | range_(range), | |
4c60462b | 44 | spin_box_(nullptr) |
a2b92157 JH |
45 | { |
46 | } | |
47 | ||
b1fe148e | 48 | QWidget* Int::get_widget(QWidget *parent, bool auto_commit) |
a2b92157 | 49 | { |
dbed5609 | 50 | int64_t range_min = 0; |
765e7d33 | 51 | uint64_t range_max = 0; |
ac223c1e | 52 | |
8dbbc7f0 JH |
53 | if (spin_box_) |
54 | return spin_box_; | |
a2b92157 | 55 | |
8dbbc7f0 | 56 | if (!getter_) |
4c60462b | 57 | return nullptr; |
e8d00928 | 58 | |
8dbbc7f0 | 59 | value_ = getter_(); |
ac223c1e | 60 | |
8dbbc7f0 | 61 | GVariant *value = value_.gobj(); |
e8d00928 | 62 | if (!value) |
4c60462b | 63 | return nullptr; |
ac223c1e | 64 | |
8dbbc7f0 JH |
65 | spin_box_ = new QSpinBox(parent); |
66 | spin_box_->setSuffix(suffix_); | |
ac223c1e | 67 | |
e8d00928 | 68 | const GVariantType *const type = g_variant_get_type(value); |
ac223c1e JH |
69 | assert(type); |
70 | ||
2ad82c2e | 71 | if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) { |
ac223c1e | 72 | range_min = 0, range_max = UINT8_MAX; |
2ad82c2e | 73 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) { |
ac223c1e | 74 | range_min = INT16_MIN, range_max = INT16_MAX; |
2ad82c2e | 75 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) { |
ac223c1e | 76 | range_min = 0, range_max = UINT16_MAX; |
2ad82c2e | 77 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) { |
ac223c1e | 78 | range_min = INT32_MIN, range_max = INT32_MAX; |
2ad82c2e | 79 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) { |
ac223c1e | 80 | range_min = 0, range_max = UINT32_MAX; |
2ad82c2e | 81 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) { |
ac223c1e | 82 | range_min = INT64_MIN, range_max = INT64_MAX; |
2ad82c2e | 83 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) { |
ac223c1e | 84 | range_min = 0, range_max = UINT64_MAX; |
2ad82c2e | 85 | } else { |
ac223c1e | 86 | // Unexpected value type. |
0402d7a3 | 87 | assert(false); |
ac223c1e JH |
88 | } |
89 | ||
b0e15aa2 | 90 | // @todo sigrok supports 64-bit quantities, but Qt does not have a |
ac223c1e JH |
91 | // standard widget to allow the values to be modified over the full |
92 | // 64-bit range on 32-bit machines. To solve the issue we need a | |
93 | // custom widget. | |
94 | ||
95 | range_min = max(range_min, (int64_t)INT_MIN); | |
765e7d33 | 96 | range_max = min(range_max, (uint64_t)INT_MAX); |
ac223c1e | 97 | |
8dbbc7f0 JH |
98 | if (range_) |
99 | spin_box_->setRange((int)range_->first, (int)range_->second); | |
a915c6a3 | 100 | else |
8dbbc7f0 | 101 | spin_box_->setRange((int)range_min, (int)range_max); |
a2b92157 | 102 | |
dbed5609 | 103 | update_widget(); |
a2b92157 | 104 | |
b1fe148e | 105 | if (auto_commit) |
8dbbc7f0 | 106 | connect(spin_box_, SIGNAL(valueChanged(int)), |
b1fe148e JH |
107 | this, SLOT(on_value_changed(int))); |
108 | ||
8dbbc7f0 | 109 | return spin_box_; |
a2b92157 JH |
110 | } |
111 | ||
dbed5609 SA |
112 | void Int::update_widget() |
113 | { | |
114 | if (!spin_box_) | |
115 | return; | |
116 | ||
117 | value_ = getter_(); | |
118 | GVariant *value = value_.gobj(); | |
119 | assert(value); | |
120 | ||
121 | const GVariantType *const type = g_variant_get_type(value); | |
122 | assert(type); | |
123 | ||
124 | int64_t int_val = 0; | |
125 | ||
126 | if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) { | |
127 | int_val = g_variant_get_byte(value); | |
128 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) { | |
129 | int_val = g_variant_get_int16(value); | |
130 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) { | |
131 | int_val = g_variant_get_uint16(value); | |
132 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) { | |
133 | int_val = g_variant_get_int32(value); | |
134 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) { | |
135 | int_val = g_variant_get_uint32(value); | |
136 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) { | |
137 | int_val = g_variant_get_int64(value); | |
138 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) { | |
139 | int_val = g_variant_get_uint64(value); | |
140 | } else { | |
141 | // Unexpected value type. | |
142 | assert(false); | |
143 | } | |
144 | ||
145 | spin_box_->setValue((int)int_val); | |
146 | } | |
147 | ||
a2b92157 JH |
148 | void Int::commit() |
149 | { | |
8dbbc7f0 | 150 | assert(setter_); |
a2b92157 | 151 | |
8dbbc7f0 | 152 | if (!spin_box_) |
a2b92157 JH |
153 | return; |
154 | ||
4c60462b | 155 | GVariant *new_value = nullptr; |
8dbbc7f0 | 156 | const GVariantType *const type = g_variant_get_type(value_.gobj()); |
ac223c1e JH |
157 | assert(type); |
158 | ||
159 | if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) | |
8dbbc7f0 | 160 | new_value = g_variant_new_byte(spin_box_->value()); |
ac223c1e | 161 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) |
8dbbc7f0 | 162 | new_value = g_variant_new_int16(spin_box_->value()); |
ac223c1e | 163 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) |
8dbbc7f0 | 164 | new_value = g_variant_new_uint16(spin_box_->value()); |
ac223c1e | 165 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) |
8dbbc7f0 | 166 | new_value = g_variant_new_int32(spin_box_->value()); |
ac223c1e | 167 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) |
79118fe5 | 168 | new_value = g_variant_new_uint32(spin_box_->value()); |
ac223c1e | 169 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) |
8dbbc7f0 | 170 | new_value = g_variant_new_int64(spin_box_->value()); |
ac223c1e | 171 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) |
8dbbc7f0 | 172 | new_value = g_variant_new_uint64(spin_box_->value()); |
c063290a | 173 | else { |
ac223c1e | 174 | // Unexpected value type. |
0402d7a3 | 175 | assert(false); |
ac223c1e JH |
176 | } |
177 | ||
178 | assert(new_value); | |
179 | ||
8dbbc7f0 | 180 | value_ = Glib::VariantBase(new_value); |
ac223c1e | 181 | |
8dbbc7f0 | 182 | setter_(value_); |
a2b92157 JH |
183 | } |
184 | ||
b1fe148e JH |
185 | void Int::on_value_changed(int) |
186 | { | |
187 | commit(); | |
188 | } | |
189 | ||
870ea3db UH |
190 | } // namespace prop |
191 | } // namespace pv |