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Commit | Line | Data |
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adb4b10c | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
adb4b10c JH |
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 | |
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 | ||
640d091b UH |
21 | #ifndef PULSEVIEW_PV_VIEW_VIEW_H |
22 | #define PULSEVIEW_PV_VIEW_VIEW_H | |
adb4b10c JH |
23 | |
24 | #include <stdint.h> | |
25 | ||
f9abf97e | 26 | #include <memory> |
1bc6525b | 27 | #include <set> |
38eeddea JH |
28 | #include <vector> |
29 | ||
adb4b10c | 30 | #include <QAbstractScrollArea> |
2e04f9bd | 31 | #include <QSizeF> |
adb4b10c | 32 | |
1bc6525b JH |
33 | #include <pv/data/signaldata.h> |
34 | ||
b42d25c4 | 35 | #include "cursorpair.h" |
f76af637 | 36 | |
51e77110 JH |
37 | namespace pv { |
38 | ||
adb4b10c | 39 | class SigSession; |
adb4b10c | 40 | |
cdf7bea7 JH |
41 | namespace view { |
42 | ||
84a0d458 | 43 | class CursorHeader; |
1d8dca91 | 44 | class Header; |
ccdd3ef5 | 45 | class Ruler; |
38eeddea | 46 | class Trace; |
cdf7bea7 JH |
47 | class Viewport; |
48 | ||
49 | class View : public QAbstractScrollArea { | |
adb4b10c JH |
50 | Q_OBJECT |
51 | ||
52 | private: | |
53 | static const double MaxScale; | |
54 | static const double MinScale; | |
55 | ||
f25770e2 JH |
56 | static const int MaxScrollValue; |
57 | ||
1d8dca91 JH |
58 | public: |
59 | static const int SignalHeight; | |
8d44d030 | 60 | static const int SignalMargin; |
49153683 | 61 | static const int SignalSnapGridSize; |
1d8dca91 | 62 | |
f76af637 JH |
63 | static const QColor CursorAreaColour; |
64 | ||
2e04f9bd JH |
65 | static const QSizeF LabelPadding; |
66 | ||
adb4b10c | 67 | public: |
cdf7bea7 | 68 | explicit View(SigSession &session, QWidget *parent = 0); |
adb4b10c | 69 | |
1d19ef83 | 70 | SigSession& session(); |
38eeddea | 71 | const SigSession& session() const; |
1d19ef83 | 72 | |
2ae445ba SA |
73 | Viewport* viewport(); |
74 | ||
75 | const Viewport* viewport() const; | |
76 | ||
e2f5223b JH |
77 | /** |
78 | * Returns the view time scale in seconds per pixel. | |
79 | */ | |
adb4b10c | 80 | double scale() const; |
e2f5223b JH |
81 | |
82 | /** | |
83 | * Returns the time offset of the left edge of the view in | |
84 | * seconds. | |
85 | */ | |
adb4b10c JH |
86 | double offset() const; |
87 | int v_offset() const; | |
88 | ||
89 | void zoom(double steps); | |
17c0f398 | 90 | void zoom(double steps, int offset); |
adb4b10c | 91 | |
ca46b534 JH |
92 | void zoom_fit(); |
93 | ||
d1e7d82c JH |
94 | void zoom_one_to_one(); |
95 | ||
e2f5223b JH |
96 | /** |
97 | * Sets the scale and offset. | |
98 | * @param scale The new view scale in seconds per pixel. | |
99 | * @param offset The view time offset in seconds. | |
100 | */ | |
adb4b10c JH |
101 | void set_scale_offset(double scale, double offset); |
102 | ||
f9abf97e | 103 | std::vector< std::shared_ptr<Trace> > get_traces() const; |
38eeddea | 104 | |
f9abf97e | 105 | std::list<std::weak_ptr<SelectableItem> > selected_items() const; |
94936133 | 106 | |
f9abf97e | 107 | std::set< std::shared_ptr<pv::data::SignalData> > |
1bc6525b JH |
108 | get_visible_data() const; |
109 | ||
110 | std::pair<double, double> get_time_extents() const; | |
111 | ||
f76af637 JH |
112 | /** |
113 | * Returns true if cursors are displayed. false otherwise. | |
114 | */ | |
115 | bool cursors_shown() const; | |
116 | ||
117 | /** | |
118 | * Shows or hides the cursors. | |
119 | */ | |
120 | void show_cursors(bool show = true); | |
121 | ||
b4d91e56 JH |
122 | /** |
123 | * Moves the cursors to a convenient position in the view. | |
124 | */ | |
125 | void centre_cursors(); | |
126 | ||
f76af637 JH |
127 | /** |
128 | * Returns a reference to the pair of cursors. | |
129 | */ | |
b42d25c4 | 130 | CursorPair& cursors(); |
f76af637 | 131 | |
58864c5c JH |
132 | /** |
133 | * Returns a reference to the pair of cursors. | |
134 | */ | |
135 | const CursorPair& cursors() const; | |
136 | ||
cbd80f64 JH |
137 | const QPoint& hover_point() const; |
138 | ||
4b192962 JH |
139 | void normalize_layout(); |
140 | ||
9cef9567 JH |
141 | void update_viewport(); |
142 | ||
e9213170 | 143 | Q_SIGNALS: |
cbd80f64 JH |
144 | void hover_point_changed(); |
145 | ||
07204819 JH |
146 | void signals_moved(); |
147 | ||
8b454527 JH |
148 | void selection_changed(); |
149 | ||
e0fc5810 JH |
150 | void scale_offset_changed(); |
151 | ||
adb4b10c | 152 | private: |
f25770e2 | 153 | void get_scroll_layout(double &length, double &offset) const; |
3925091a JH |
154 | |
155 | /** | |
156 | * Simultaneously sets the zoom and offset. | |
157 | * @param scale The scale to set the view to in seconds per pixel. This | |
158 | * value is clamped between MinScale and MaxScale. | |
159 | * @param offset The offset of the left edge of the view in seconds. | |
160 | */ | |
d1e7d82c JH |
161 | void set_zoom(double scale, int offset); |
162 | ||
adb4b10c JH |
163 | void update_scroll(); |
164 | ||
d7c0ca4a JH |
165 | void update_layout(); |
166 | ||
adb4b10c | 167 | private: |
cbd80f64 JH |
168 | bool eventFilter(QObject *object, QEvent *event); |
169 | ||
adb4b10c JH |
170 | bool viewportEvent(QEvent *e); |
171 | ||
172 | void resizeEvent(QResizeEvent *e); | |
173 | ||
e9213170 | 174 | private Q_SLOTS: |
cbd80f64 | 175 | |
b16907d3 | 176 | void h_scroll_value_changed(int value); |
adb4b10c JH |
177 | void v_scroll_value_changed(int value); |
178 | ||
69dd2b03 | 179 | void signals_changed(); |
adb4b10c JH |
180 | void data_updated(); |
181 | ||
ca4ec3ea JH |
182 | void marker_time_changed(); |
183 | ||
07204819 | 184 | void on_signals_moved(); |
54401bbb | 185 | |
d7c0ca4a JH |
186 | void on_geometry_updated(); |
187 | ||
33c62f44 JH |
188 | void on_hover_point_changed(); |
189 | ||
adb4b10c JH |
190 | private: |
191 | SigSession &_session; | |
192 | ||
cdf7bea7 | 193 | Viewport *_viewport; |
ccdd3ef5 | 194 | Ruler *_ruler; |
84a0d458 | 195 | CursorHeader *_cursorheader; |
1d8dca91 | 196 | Header *_header; |
adb4b10c | 197 | |
e2f5223b | 198 | /// The view time scale in seconds per pixel. |
adb4b10c | 199 | double _scale; |
e2f5223b JH |
200 | |
201 | /// The view time offset in seconds. | |
adb4b10c JH |
202 | double _offset; |
203 | ||
204 | int _v_offset; | |
528bd8a1 | 205 | bool _updating_scroll; |
cbd80f64 | 206 | |
f76af637 | 207 | bool _show_cursors; |
b42d25c4 | 208 | CursorPair _cursors; |
f76af637 | 209 | |
cbd80f64 | 210 | QPoint _hover_point; |
adb4b10c JH |
211 | }; |
212 | ||
cdf7bea7 JH |
213 | } // namespace view |
214 | } // namespace pv | |
215 | ||
640d091b | 216 | #endif // PULSEVIEW_PV_VIEW_VIEW_H |