]>
Commit | Line | Data |
---|---|---|
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 | ||
21 | #include <stdint.h> | |
22 | #include <assert.h> | |
23 | ||
24 | #include <QSpinBox> | |
25 | ||
26 | #include "int.hpp" | |
27 | ||
28 | using boost::optional; | |
29 | using std::max; | |
30 | using std::min; | |
31 | using std::pair; | |
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_(nullptr) | |
45 | { | |
46 | } | |
47 | ||
48 | Int::~Int() | |
49 | { | |
50 | } | |
51 | ||
52 | QWidget* Int::get_widget(QWidget *parent, bool auto_commit) | |
53 | { | |
54 | int64_t int_val = 0, range_min = 0; | |
55 | uint64_t range_max = 0; | |
56 | ||
57 | if (spin_box_) | |
58 | return spin_box_; | |
59 | ||
60 | if (!getter_) | |
61 | return nullptr; | |
62 | ||
63 | value_ = getter_(); | |
64 | ||
65 | GVariant *value = value_.gobj(); | |
66 | if (!value) | |
67 | return nullptr; | |
68 | ||
69 | spin_box_ = new QSpinBox(parent); | |
70 | spin_box_->setSuffix(suffix_); | |
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, (uint64_t)INT_MAX); | |
123 | ||
124 | if (range_) | |
125 | spin_box_->setRange((int)range_->first, (int)range_->second); | |
126 | else | |
127 | spin_box_->setRange((int)range_min, (int)range_max); | |
128 | ||
129 | spin_box_->setValue((int)int_val); | |
130 | ||
131 | if (auto_commit) | |
132 | connect(spin_box_, SIGNAL(valueChanged(int)), | |
133 | this, SLOT(on_value_changed(int))); | |
134 | ||
135 | return spin_box_; | |
136 | } | |
137 | ||
138 | void Int::commit() | |
139 | { | |
140 | assert(setter_); | |
141 | ||
142 | if (!spin_box_) | |
143 | return; | |
144 | ||
145 | GVariant *new_value = nullptr; | |
146 | const GVariantType *const type = g_variant_get_type(value_.gobj()); | |
147 | assert(type); | |
148 | ||
149 | if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) | |
150 | new_value = g_variant_new_byte(spin_box_->value()); | |
151 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) | |
152 | new_value = g_variant_new_int16(spin_box_->value()); | |
153 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) | |
154 | new_value = g_variant_new_uint16(spin_box_->value()); | |
155 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) | |
156 | new_value = g_variant_new_int32(spin_box_->value()); | |
157 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) | |
158 | new_value = g_variant_new_uint32(spin_box_->value()); | |
159 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) | |
160 | new_value = g_variant_new_int64(spin_box_->value()); | |
161 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) | |
162 | new_value = g_variant_new_uint64(spin_box_->value()); | |
163 | else | |
164 | { | |
165 | // Unexpected value type. | |
166 | assert(0); | |
167 | } | |
168 | ||
169 | assert(new_value); | |
170 | ||
171 | value_ = Glib::VariantBase(new_value); | |
172 | ||
173 | setter_(value_); | |
174 | } | |
175 | ||
176 | void Int::on_value_changed(int) | |
177 | { | |
178 | commit(); | |
179 | } | |
180 | ||
181 | } // prop | |
182 | } // pv |