]>
Commit | Line | Data |
---|---|---|
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> |
448a72cf | 28 | #include <unordered_map> |
38eeddea JH |
29 | #include <vector> |
30 | ||
adb4b10c | 31 | #include <QAbstractScrollArea> |
2e04f9bd | 32 | #include <QSizeF> |
32218d3e | 33 | #include <QTimer> |
adb4b10c | 34 | |
2acdb232 | 35 | #include <pv/data/signaldata.hpp> |
1bc6525b | 36 | |
2acdb232 JH |
37 | #include "cursorpair.hpp" |
38 | #include "rowitemowner.hpp" | |
f76af637 | 39 | |
51e77110 JH |
40 | namespace pv { |
41 | ||
adb4b10c | 42 | class SigSession; |
adb4b10c | 43 | |
cdf7bea7 JH |
44 | namespace view { |
45 | ||
84a0d458 | 46 | class CursorHeader; |
1d8dca91 | 47 | class Header; |
ccdd3ef5 | 48 | class Ruler; |
cdf7bea7 JH |
49 | class Viewport; |
50 | ||
eae6e30a | 51 | class View : public QAbstractScrollArea, public RowItemOwner { |
adb4b10c JH |
52 | Q_OBJECT |
53 | ||
32218d3e JH |
54 | private: |
55 | enum StickyEvents { | |
56 | SelectableItemHExtentsChanged = 1, | |
57 | SelectableItemVExtentsChanged = 2 | |
58 | }; | |
59 | ||
adb4b10c JH |
60 | private: |
61 | static const double MaxScale; | |
62 | static const double MinScale; | |
63 | ||
f25770e2 JH |
64 | static const int MaxScrollValue; |
65 | ||
1d8dca91 | 66 | public: |
f76af637 JH |
67 | static const QColor CursorAreaColour; |
68 | ||
2e04f9bd JH |
69 | static const QSizeF LabelPadding; |
70 | ||
adb4b10c | 71 | public: |
cdf7bea7 | 72 | explicit View(SigSession &session, QWidget *parent = 0); |
adb4b10c | 73 | |
1d19ef83 | 74 | SigSession& session(); |
38eeddea | 75 | const SigSession& session() const; |
1d19ef83 | 76 | |
eae6e30a JH |
77 | /** |
78 | * Returns the view of the owner. | |
79 | */ | |
80 | virtual pv::view::View* view(); | |
81 | ||
82 | /** | |
83 | * Returns the view of the owner. | |
84 | */ | |
85 | virtual const pv::view::View* view() const; | |
86 | ||
2ae445ba SA |
87 | Viewport* viewport(); |
88 | ||
89 | const Viewport* viewport() const; | |
90 | ||
e2f5223b JH |
91 | /** |
92 | * Returns the view time scale in seconds per pixel. | |
93 | */ | |
adb4b10c | 94 | double scale() const; |
e2f5223b JH |
95 | |
96 | /** | |
97 | * Returns the time offset of the left edge of the view in | |
98 | * seconds. | |
99 | */ | |
adb4b10c | 100 | double offset() const; |
7ff0145f | 101 | int owner_visual_v_offset() const; |
adb4b10c | 102 | |
3e769a37 JH |
103 | /** |
104 | * Returns the number of nested parents that this row item owner has. | |
105 | */ | |
106 | unsigned int depth() const; | |
107 | ||
adb4b10c | 108 | void zoom(double steps); |
17c0f398 | 109 | void zoom(double steps, int offset); |
adb4b10c | 110 | |
ca46b534 JH |
111 | void zoom_fit(); |
112 | ||
d1e7d82c JH |
113 | void zoom_one_to_one(); |
114 | ||
e2f5223b JH |
115 | /** |
116 | * Sets the scale and offset. | |
117 | * @param scale The new view scale in seconds per pixel. | |
118 | * @param offset The view time offset in seconds. | |
119 | */ | |
adb4b10c JH |
120 | void set_scale_offset(double scale, double offset); |
121 | ||
f9abf97e | 122 | std::set< std::shared_ptr<pv::data::SignalData> > |
1bc6525b JH |
123 | get_visible_data() const; |
124 | ||
125 | std::pair<double, double> get_time_extents() const; | |
126 | ||
f76af637 JH |
127 | /** |
128 | * Returns true if cursors are displayed. false otherwise. | |
129 | */ | |
130 | bool cursors_shown() const; | |
131 | ||
132 | /** | |
133 | * Shows or hides the cursors. | |
134 | */ | |
135 | void show_cursors(bool show = true); | |
136 | ||
b4d91e56 JH |
137 | /** |
138 | * Moves the cursors to a convenient position in the view. | |
139 | */ | |
140 | void centre_cursors(); | |
141 | ||
f76af637 JH |
142 | /** |
143 | * Returns a reference to the pair of cursors. | |
144 | */ | |
b42d25c4 | 145 | CursorPair& cursors(); |
f76af637 | 146 | |
58864c5c JH |
147 | /** |
148 | * Returns a reference to the pair of cursors. | |
149 | */ | |
150 | const CursorPair& cursors() const; | |
151 | ||
cbd80f64 JH |
152 | const QPoint& hover_point() const; |
153 | ||
9cef9567 | 154 | void update_viewport(); |
7ff0145f JH |
155 | |
156 | void restack_all_row_items(); | |
9cef9567 | 157 | |
e9213170 | 158 | Q_SIGNALS: |
cbd80f64 JH |
159 | void hover_point_changed(); |
160 | ||
07204819 JH |
161 | void signals_moved(); |
162 | ||
8b454527 JH |
163 | void selection_changed(); |
164 | ||
e0fc5810 JH |
165 | void scale_offset_changed(); |
166 | ||
adb4b10c | 167 | private: |
f25770e2 | 168 | void get_scroll_layout(double &length, double &offset) const; |
3925091a JH |
169 | |
170 | /** | |
171 | * Simultaneously sets the zoom and offset. | |
172 | * @param scale The scale to set the view to in seconds per pixel. This | |
173 | * value is clamped between MinScale and MaxScale. | |
174 | * @param offset The offset of the left edge of the view in seconds. | |
175 | */ | |
d1e7d82c JH |
176 | void set_zoom(double scale, int offset); |
177 | ||
adb4b10c JH |
178 | void update_scroll(); |
179 | ||
d7c0ca4a JH |
180 | void update_layout(); |
181 | ||
eae6e30a JH |
182 | /** |
183 | * Satisifies RowItem functionality. | |
184 | * @param p the QPainter to paint into. | |
185 | * @param right the x-coordinate of the right edge of the header | |
186 | * area. | |
187 | * @param hover true if the label is being hovered over by the mouse. | |
188 | */ | |
189 | void paint_label(QPainter &p, int right, bool hover); | |
190 | ||
191 | /** | |
192 | * Computes the outline rectangle of a label. | |
193 | * @param right the x-coordinate of the right edge of the header | |
194 | * area. | |
195 | * @return Returns the rectangle of the signal label. | |
196 | */ | |
197 | QRectF label_rect(int right); | |
198 | ||
448a72cf JH |
199 | static bool add_channels_to_owner( |
200 | const std::vector< std::shared_ptr<sigrok::Channel> > &channels, | |
201 | RowItemOwner *owner, int &offset, | |
202 | std::unordered_map<std::shared_ptr<sigrok::Channel>, | |
203 | std::shared_ptr<Signal> > &signal_map, | |
204 | std::function<bool (std::shared_ptr<RowItem>)> filter_func = | |
205 | std::function<bool (std::shared_ptr<RowItem>)>()); | |
206 | ||
207 | static void apply_offset( | |
208 | std::shared_ptr<RowItem> row_item, int &offset); | |
209 | ||
adb4b10c | 210 | private: |
cbd80f64 JH |
211 | bool eventFilter(QObject *object, QEvent *event); |
212 | ||
adb4b10c JH |
213 | bool viewportEvent(QEvent *e); |
214 | ||
215 | void resizeEvent(QResizeEvent *e); | |
216 | ||
32218d3e JH |
217 | public: |
218 | void appearance_changed(bool label, bool content); | |
219 | ||
220 | void extents_changed(bool horz, bool vert); | |
221 | ||
e9213170 | 222 | private Q_SLOTS: |
cbd80f64 | 223 | |
b16907d3 | 224 | void h_scroll_value_changed(int value); |
adb4b10c JH |
225 | void v_scroll_value_changed(int value); |
226 | ||
69dd2b03 | 227 | void signals_changed(); |
adb4b10c JH |
228 | void data_updated(); |
229 | ||
ca4ec3ea JH |
230 | void marker_time_changed(); |
231 | ||
07204819 | 232 | void on_signals_moved(); |
54401bbb | 233 | |
32218d3e | 234 | void process_sticky_events(); |
d7c0ca4a | 235 | |
33c62f44 JH |
236 | void on_hover_point_changed(); |
237 | ||
adb4b10c | 238 | private: |
8dbbc7f0 | 239 | SigSession &session_; |
adb4b10c | 240 | |
8dbbc7f0 JH |
241 | Viewport *viewport_; |
242 | Ruler *ruler_; | |
243 | CursorHeader *cursorheader_; | |
244 | Header *header_; | |
adb4b10c | 245 | |
e2f5223b | 246 | /// The view time scale in seconds per pixel. |
8dbbc7f0 | 247 | double scale_; |
e2f5223b JH |
248 | |
249 | /// The view time offset in seconds. | |
8dbbc7f0 | 250 | double offset_; |
adb4b10c | 251 | |
8dbbc7f0 JH |
252 | int v_offset_; |
253 | bool updating_scroll_; | |
cbd80f64 | 254 | |
8dbbc7f0 JH |
255 | bool show_cursors_; |
256 | CursorPair cursors_; | |
f76af637 | 257 | |
8dbbc7f0 | 258 | QPoint hover_point_; |
32218d3e | 259 | |
8dbbc7f0 JH |
260 | unsigned int sticky_events_; |
261 | QTimer lazy_event_handler_; | |
adb4b10c JH |
262 | }; |
263 | ||
cdf7bea7 JH |
264 | } // namespace view |
265 | } // namespace pv | |
266 | ||
640d091b | 267 | #endif // PULSEVIEW_PV_VIEW_VIEW_H |