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aba1dd16 JH |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 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/>. |
aba1dd16 JH |
18 | */ |
19 | ||
f4e57597 SA |
20 | #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_ANALOGSIGNAL_HPP |
21 | #define PULSEVIEW_PV_VIEWS_TRACEVIEW_ANALOGSIGNAL_HPP | |
aba1dd16 | 22 | |
2acdb232 | 23 | #include "signal.hpp" |
aba1dd16 | 24 | |
f9abf97e | 25 | #include <memory> |
aba1dd16 | 26 | |
368a37c2 SA |
27 | #include <QComboBox> |
28 | ||
6f925ba9 UH |
29 | using std::pair; |
30 | using std::shared_ptr; | |
31 | ||
aba1dd16 JH |
32 | namespace pv { |
33 | ||
1b1ec774 JH |
34 | namespace data { |
35 | class Analog; | |
f3d66e52 | 36 | class AnalogSegment; |
bf0edd2b | 37 | class SignalBase; |
1b1ec774 | 38 | } |
aba1dd16 | 39 | |
f4e57597 SA |
40 | namespace views { |
41 | namespace TraceView { | |
aba1dd16 JH |
42 | |
43 | class AnalogSignal : public Signal | |
44 | { | |
4cffac16 SA |
45 | Q_OBJECT |
46 | ||
568b90d4 JH |
47 | private: |
48 | static const QColor SignalColours[4]; | |
37b9fed4 | 49 | static const QColor GridMajorColor, GridMinorColor; |
8de1e1b2 | 50 | static const QColor SamplingPointColour; |
568b90d4 | 51 | |
7c68ddae JH |
52 | static const float EnvelopeThreshold; |
53 | ||
4cffac16 | 54 | static const int MaximumVDivs; |
368a37c2 | 55 | static const int MaxScaleIndex, MinScaleIndex; |
03cc651d | 56 | static const int InfoTextMarginRight, InfoTextMarginBottom; |
4cffac16 | 57 | |
aba1dd16 | 58 | public: |
6f925ba9 | 59 | AnalogSignal(pv::Session &session, shared_ptr<data::SignalBase> base); |
aba1dd16 | 60 | |
c6246dc5 | 61 | virtual ~AnalogSignal() = default; |
f459c540 | 62 | |
6f925ba9 | 63 | shared_ptr<pv::data::SignalData> data() const; |
9a0cd293 | 64 | |
3a21afa6 SA |
65 | virtual void save_settings(QSettings &settings) const; |
66 | ||
67 | virtual void restore_settings(QSettings &settings); | |
68 | ||
a5d93c27 JH |
69 | /** |
70 | * Computes the vertical extents of the contents of this row item. | |
71 | * @return A pair containing the minimum and maximum y-values. | |
72 | */ | |
6f925ba9 | 73 | pair<int, int> v_extents() const; |
a5d93c27 | 74 | |
214470fc JH |
75 | /** |
76 | * Returns the offset to show the drag handle. | |
77 | */ | |
78 | int scale_handle_offset() const; | |
79 | ||
80 | /** | |
81 | * Handles the scale handle being dragged to an offset. | |
82 | * @param offset the offset the scale handle was dragged to. | |
83 | */ | |
84 | void scale_handle_dragged(int offset); | |
85 | ||
8a2fafcc JH |
86 | /** |
87 | * @copydoc pv::view::Signal::signal_scale_handle_drag_release() | |
88 | */ | |
89 | void scale_handle_drag_release(); | |
90 | ||
aba1dd16 | 91 | /** |
fe08b6e8 | 92 | * Paints the background layer of the signal with a QPainter |
aba1dd16 | 93 | * @param p the QPainter to paint into. |
3eb29afd | 94 | * @param pp the painting parameters object to paint with.. |
223d0c37 | 95 | */ |
5b5fa4da | 96 | void paint_back(QPainter &p, const ViewItemPaintParams &pp); |
fe08b6e8 JH |
97 | |
98 | /** | |
99 | * Paints the mid-layer of the signal with a QPainter | |
100 | * @param p the QPainter to paint into. | |
3eb29afd | 101 | * @param pp the painting parameters object to paint with.. |
223d0c37 | 102 | */ |
5b5fa4da | 103 | void paint_mid(QPainter &p, const ViewItemPaintParams &pp); |
aba1dd16 | 104 | |
03cc651d SA |
105 | /** |
106 | * Paints the foreground layer of the item with a QPainter | |
107 | * @param p the QPainter to paint into. | |
108 | * @param pp the painting parameters object to paint with. | |
109 | */ | |
110 | void paint_fore(QPainter &p, const ViewItemPaintParams &pp); | |
111 | ||
7c68ddae | 112 | private: |
37b9fed4 SA |
113 | void paint_grid(QPainter &p, int y, int left, int right); |
114 | ||
7c68ddae | 115 | void paint_trace(QPainter &p, |
6f925ba9 | 116 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
117 | int y, int left, const int64_t start, const int64_t end, |
118 | const double pixels_offset, const double samples_per_pixel); | |
119 | ||
120 | void paint_envelope(QPainter &p, | |
6f925ba9 | 121 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
122 | int y, int left, const int64_t start, const int64_t end, |
123 | const double pixels_offset, const double samples_per_pixel); | |
124 | ||
8a2fafcc | 125 | /** |
834a4f1b | 126 | * Computes the scale factor from the scale index and vdiv settings. |
8a2fafcc | 127 | */ |
368a37c2 SA |
128 | float get_resolution(int scale_index); |
129 | ||
834a4f1b | 130 | void update_scale(); |
8a2fafcc | 131 | |
73e377fe SA |
132 | void perform_autoranging(bool force_update = false); |
133 | ||
4cffac16 SA |
134 | protected: |
135 | void populate_popup_form(QWidget *parent, QFormLayout *form); | |
136 | ||
137 | private Q_SLOTS: | |
85715407 SA |
138 | void on_samples_added(); |
139 | ||
459db2c5 SA |
140 | void on_pos_vdivs_changed(int vdivs); |
141 | void on_neg_vdivs_changed(int vdivs); | |
4cffac16 | 142 | |
368a37c2 SA |
143 | void on_resolution_changed(int index); |
144 | ||
73e377fe SA |
145 | void on_autoranging_changed(int state); |
146 | ||
aba1dd16 | 147 | private: |
368a37c2 SA |
148 | QComboBox *resolution_cb_; |
149 | ||
834a4f1b | 150 | float scale_; |
8a2fafcc JH |
151 | int scale_index_; |
152 | int scale_index_drag_offset_; | |
37b9fed4 SA |
153 | |
154 | int div_height_; | |
459db2c5 | 155 | int pos_vdivs_, neg_vdivs_; // divs per positive/negative side |
834a4f1b | 156 | float resolution_; // e.g. 10 for 10 V/div |
73e377fe SA |
157 | |
158 | bool autoranging_; | |
aba1dd16 JH |
159 | }; |
160 | ||
f4e57597 SA |
161 | } // namespace TraceView |
162 | } // namespace views | |
aba1dd16 JH |
163 | } // namespace pv |
164 | ||
f4e57597 | 165 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_ANALOGSIGNAL_HPP |