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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" |
eae6e30a | 36 | #include "rowitemowner.h" |
f76af637 | 37 | |
51e77110 JH |
38 | namespace pv { |
39 | ||
adb4b10c | 40 | class SigSession; |
adb4b10c | 41 | |
cdf7bea7 JH |
42 | namespace view { |
43 | ||
84a0d458 | 44 | class CursorHeader; |
1d8dca91 | 45 | class Header; |
ccdd3ef5 | 46 | class Ruler; |
cdf7bea7 JH |
47 | class Viewport; |
48 | ||
eae6e30a | 49 | class View : public QAbstractScrollArea, public RowItemOwner { |
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 | |
eae6e30a JH |
73 | /** |
74 | * Returns the view of the owner. | |
75 | */ | |
76 | virtual pv::view::View* view(); | |
77 | ||
78 | /** | |
79 | * Returns the view of the owner. | |
80 | */ | |
81 | virtual const pv::view::View* view() const; | |
82 | ||
2ae445ba SA |
83 | Viewport* viewport(); |
84 | ||
85 | const Viewport* viewport() const; | |
86 | ||
e2f5223b JH |
87 | /** |
88 | * Returns the view time scale in seconds per pixel. | |
89 | */ | |
adb4b10c | 90 | double scale() const; |
e2f5223b JH |
91 | |
92 | /** | |
93 | * Returns the time offset of the left edge of the view in | |
94 | * seconds. | |
95 | */ | |
adb4b10c | 96 | double offset() const; |
eae6e30a | 97 | int owner_v_offset() const; |
adb4b10c JH |
98 | |
99 | void zoom(double steps); | |
17c0f398 | 100 | void zoom(double steps, int offset); |
adb4b10c | 101 | |
ca46b534 JH |
102 | void zoom_fit(); |
103 | ||
d1e7d82c JH |
104 | void zoom_one_to_one(); |
105 | ||
e2f5223b JH |
106 | /** |
107 | * Sets the scale and offset. | |
108 | * @param scale The new view scale in seconds per pixel. | |
109 | * @param offset The view time offset in seconds. | |
110 | */ | |
adb4b10c JH |
111 | void set_scale_offset(double scale, double offset); |
112 | ||
f9abf97e | 113 | std::set< std::shared_ptr<pv::data::SignalData> > |
1bc6525b JH |
114 | get_visible_data() const; |
115 | ||
116 | std::pair<double, double> get_time_extents() const; | |
117 | ||
f76af637 JH |
118 | /** |
119 | * Returns true if cursors are displayed. false otherwise. | |
120 | */ | |
121 | bool cursors_shown() const; | |
122 | ||
123 | /** | |
124 | * Shows or hides the cursors. | |
125 | */ | |
126 | void show_cursors(bool show = true); | |
127 | ||
b4d91e56 JH |
128 | /** |
129 | * Moves the cursors to a convenient position in the view. | |
130 | */ | |
131 | void centre_cursors(); | |
132 | ||
f76af637 JH |
133 | /** |
134 | * Returns a reference to the pair of cursors. | |
135 | */ | |
b42d25c4 | 136 | CursorPair& cursors(); |
f76af637 | 137 | |
58864c5c JH |
138 | /** |
139 | * Returns a reference to the pair of cursors. | |
140 | */ | |
141 | const CursorPair& cursors() const; | |
142 | ||
cbd80f64 JH |
143 | const QPoint& hover_point() const; |
144 | ||
4b192962 JH |
145 | void normalize_layout(); |
146 | ||
9cef9567 JH |
147 | void update_viewport(); |
148 | ||
e9213170 | 149 | Q_SIGNALS: |
cbd80f64 JH |
150 | void hover_point_changed(); |
151 | ||
07204819 JH |
152 | void signals_moved(); |
153 | ||
8b454527 JH |
154 | void selection_changed(); |
155 | ||
e0fc5810 JH |
156 | void scale_offset_changed(); |
157 | ||
adb4b10c | 158 | private: |
f25770e2 | 159 | void get_scroll_layout(double &length, double &offset) const; |
3925091a JH |
160 | |
161 | /** | |
162 | * Simultaneously sets the zoom and offset. | |
163 | * @param scale The scale to set the view to in seconds per pixel. This | |
164 | * value is clamped between MinScale and MaxScale. | |
165 | * @param offset The offset of the left edge of the view in seconds. | |
166 | */ | |
d1e7d82c JH |
167 | void set_zoom(double scale, int offset); |
168 | ||
adb4b10c JH |
169 | void update_scroll(); |
170 | ||
d7c0ca4a JH |
171 | void update_layout(); |
172 | ||
eae6e30a JH |
173 | /** |
174 | * Satisifies RowItem functionality. | |
175 | * @param p the QPainter to paint into. | |
176 | * @param right the x-coordinate of the right edge of the header | |
177 | * area. | |
178 | * @param hover true if the label is being hovered over by the mouse. | |
179 | */ | |
180 | void paint_label(QPainter &p, int right, bool hover); | |
181 | ||
182 | /** | |
183 | * Computes the outline rectangle of a label. | |
184 | * @param right the x-coordinate of the right edge of the header | |
185 | * area. | |
186 | * @return Returns the rectangle of the signal label. | |
187 | */ | |
188 | QRectF label_rect(int right); | |
189 | ||
adb4b10c | 190 | private: |
cbd80f64 JH |
191 | bool eventFilter(QObject *object, QEvent *event); |
192 | ||
adb4b10c JH |
193 | bool viewportEvent(QEvent *e); |
194 | ||
195 | void resizeEvent(QResizeEvent *e); | |
196 | ||
e9213170 | 197 | private Q_SLOTS: |
cbd80f64 | 198 | |
b16907d3 | 199 | void h_scroll_value_changed(int value); |
adb4b10c JH |
200 | void v_scroll_value_changed(int value); |
201 | ||
69dd2b03 | 202 | void signals_changed(); |
adb4b10c JH |
203 | void data_updated(); |
204 | ||
ca4ec3ea JH |
205 | void marker_time_changed(); |
206 | ||
07204819 | 207 | void on_signals_moved(); |
54401bbb | 208 | |
d7c0ca4a JH |
209 | void on_geometry_updated(); |
210 | ||
33c62f44 JH |
211 | void on_hover_point_changed(); |
212 | ||
adb4b10c JH |
213 | private: |
214 | SigSession &_session; | |
215 | ||
cdf7bea7 | 216 | Viewport *_viewport; |
ccdd3ef5 | 217 | Ruler *_ruler; |
84a0d458 | 218 | CursorHeader *_cursorheader; |
1d8dca91 | 219 | Header *_header; |
adb4b10c | 220 | |
e2f5223b | 221 | /// The view time scale in seconds per pixel. |
adb4b10c | 222 | double _scale; |
e2f5223b JH |
223 | |
224 | /// The view time offset in seconds. | |
adb4b10c JH |
225 | double _offset; |
226 | ||
227 | int _v_offset; | |
528bd8a1 | 228 | bool _updating_scroll; |
cbd80f64 | 229 | |
f76af637 | 230 | bool _show_cursors; |
b42d25c4 | 231 | CursorPair _cursors; |
f76af637 | 232 | |
cbd80f64 | 233 | QPoint _hover_point; |
adb4b10c JH |
234 | }; |
235 | ||
cdf7bea7 JH |
236 | } // namespace view |
237 | } // namespace pv | |
238 | ||
640d091b | 239 | #endif // PULSEVIEW_PV_VIEW_VIEW_H |