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Commit | Line | Data |
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1d8dca91 | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
1d8dca91 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 | ||
21 | #include "header.h" | |
22 | #include "view.h" | |
23 | ||
8d634081 | 24 | #include "signal.h" |
51e77110 | 25 | #include "../sigsession.h" |
1d8dca91 JH |
26 | |
27 | #include <assert.h> | |
28 | ||
e3374498 | 29 | #include <QApplication> |
49f8ff3f | 30 | #include <QMenu> |
a29bb7fb | 31 | #include <QMouseEvent> |
1d8dca91 JH |
32 | #include <QPainter> |
33 | #include <QRect> | |
34 | ||
569d1e41 JH |
35 | #include <pv/widgets/popup.h> |
36 | ||
819f4c25 JH |
37 | using std::max; |
38 | using std::make_pair; | |
39 | using std::pair; | |
f9abf97e | 40 | using std::shared_ptr; |
819f4c25 | 41 | using std::vector; |
1d8dca91 JH |
42 | |
43 | namespace pv { | |
44 | namespace view { | |
45 | ||
d7c0ca4a | 46 | const int Header::Padding = 12; |
512bfc56 | 47 | const int Header::BaselineOffset = 5; |
d7c0ca4a | 48 | |
1d8dca91 | 49 | Header::Header(View &parent) : |
728fcafc JH |
50 | MarginWidget(parent), |
51 | _dragging(false) | |
1d8dca91 | 52 | { |
5ed1adf5 | 53 | setFocusPolicy(Qt::ClickFocus); |
a29bb7fb | 54 | setMouseTracking(true); |
49f8ff3f | 55 | |
9e40e83d JH |
56 | connect(&_view.session(), SIGNAL(signals_changed()), |
57 | this, SLOT(on_signals_changed())); | |
58 | ||
07204819 JH |
59 | connect(&_view, SIGNAL(signals_moved()), |
60 | this, SLOT(on_signals_moved())); | |
9f46d905 JH |
61 | |
62 | // Trigger the initial event manually. The default device has signals | |
63 | // which were created before this object came into being | |
64 | on_signals_changed(); | |
1d8dca91 JH |
65 | } |
66 | ||
d7c0ca4a JH |
67 | QSize Header::sizeHint() const |
68 | { | |
69 | int max_width = 0; | |
70 | ||
71 | const vector< shared_ptr<Trace> > traces(_view.get_traces()); | |
d9aecf1f | 72 | for (shared_ptr<Trace> t : traces) { |
d7c0ca4a | 73 | assert(t); |
6f98ca4c JS |
74 | |
75 | if (t->enabled()) { | |
76 | max_width = max(max_width, (int)t->get_label_rect(0).width()); | |
77 | } | |
d7c0ca4a JH |
78 | } |
79 | ||
512bfc56 | 80 | return QSize(max_width + Padding + BaselineOffset, 0); |
d7c0ca4a JH |
81 | } |
82 | ||
38eeddea | 83 | shared_ptr<Trace> Header::get_mouse_over_trace(const QPoint &pt) |
e3374498 JH |
84 | { |
85 | const int w = width(); | |
38eeddea | 86 | const vector< shared_ptr<Trace> > traces(_view.get_traces()); |
e3374498 | 87 | |
d9aecf1f | 88 | for (const shared_ptr<Trace> t : traces) |
e3374498 | 89 | { |
38eeddea | 90 | assert(t); |
01fd3263 | 91 | if (t->pt_in_label_rect(0, w, pt)) |
38eeddea | 92 | return t; |
e3374498 JH |
93 | } |
94 | ||
38eeddea | 95 | return shared_ptr<Trace>(); |
e3374498 JH |
96 | } |
97 | ||
a2ae0205 JH |
98 | void Header::clear_selection() |
99 | { | |
38eeddea | 100 | const vector< shared_ptr<Trace> > traces(_view.get_traces()); |
d9aecf1f | 101 | for (const shared_ptr<Trace> t : traces) { |
38eeddea JH |
102 | assert(t); |
103 | t->select(false); | |
a2ae0205 JH |
104 | } |
105 | ||
106 | update(); | |
107 | } | |
108 | ||
e314eca4 | 109 | void Header::paintEvent(QPaintEvent*) |
1d8dca91 | 110 | { |
512bfc56 JS |
111 | // The trace labels are not drawn with the arrows exactly on the |
112 | // left edge of the widget, because then the selection shadow | |
113 | // would be clipped away. | |
114 | const int w = width() - BaselineOffset; | |
38eeddea | 115 | const vector< shared_ptr<Trace> > traces(_view.get_traces()); |
1d8dca91 JH |
116 | |
117 | QPainter painter(this); | |
118 | painter.setRenderHint(QPainter::Antialiasing); | |
119 | ||
38eeddea | 120 | const bool dragging = !_drag_traces.empty(); |
d9aecf1f | 121 | for (const shared_ptr<Trace> t : traces) |
1d8dca91 | 122 | { |
38eeddea | 123 | assert(t); |
1d8dca91 | 124 | |
38eeddea | 125 | const bool highlight = !dragging && t->pt_in_label_rect( |
01fd3263 JH |
126 | 0, w, _mouse_point); |
127 | t->paint_label(painter, w, highlight); | |
1d8dca91 JH |
128 | } |
129 | ||
130 | painter.end(); | |
131 | } | |
132 | ||
e3374498 JH |
133 | void Header::mousePressEvent(QMouseEvent *event) |
134 | { | |
135 | assert(event); | |
136 | ||
38eeddea | 137 | const vector< shared_ptr<Trace> > traces(_view.get_traces()); |
e3374498 | 138 | |
333d5bbc | 139 | if (event->button() & Qt::LeftButton) { |
54401bbb JH |
140 | _mouse_down_point = event->pos(); |
141 | ||
da2bebfb | 142 | // Save the offsets of any signals which will be dragged |
d9aecf1f | 143 | for (const shared_ptr<Trace> t : traces) |
38eeddea JH |
144 | if (t->selected()) |
145 | _drag_traces.push_back( | |
146 | make_pair(t, t->get_v_offset())); | |
da2bebfb JH |
147 | } |
148 | ||
149 | // Select the signal if it has been clicked | |
38eeddea JH |
150 | const shared_ptr<Trace> mouse_over_trace = |
151 | get_mouse_over_trace(event->pos()); | |
152 | if (mouse_over_trace) { | |
153 | if (mouse_over_trace->selected()) | |
154 | mouse_over_trace->select(false); | |
da2bebfb | 155 | else { |
38eeddea | 156 | mouse_over_trace->select(true); |
da2bebfb | 157 | |
333d5bbc | 158 | if (~QApplication::keyboardModifiers() & |
07204819 | 159 | Qt::ControlModifier) |
38eeddea | 160 | _drag_traces.clear(); |
07204819 | 161 | |
da2bebfb | 162 | // Add the signal to the drag list |
333d5bbc | 163 | if (event->button() & Qt::LeftButton) |
38eeddea JH |
164 | _drag_traces.push_back( |
165 | make_pair(mouse_over_trace, | |
166 | mouse_over_trace->get_v_offset())); | |
da2bebfb | 167 | } |
54401bbb JH |
168 | } |
169 | ||
333d5bbc | 170 | if (~QApplication::keyboardModifiers() & Qt::ControlModifier) { |
07204819 JH |
171 | // Unselect all other signals because the Ctrl is not |
172 | // pressed | |
d9aecf1f | 173 | for (const shared_ptr<Trace> t : traces) |
38eeddea JH |
174 | if (t != mouse_over_trace) |
175 | t->select(false); | |
07204819 JH |
176 | } |
177 | ||
b2a53645 | 178 | selection_changed(); |
e3374498 JH |
179 | update(); |
180 | } | |
181 | ||
54401bbb JH |
182 | void Header::mouseReleaseEvent(QMouseEvent *event) |
183 | { | |
569d1e41 JH |
184 | using pv::widgets::Popup; |
185 | ||
54401bbb | 186 | assert(event); |
333d5bbc | 187 | if (event->button() == Qt::LeftButton) { |
569d1e41 JH |
188 | if (_dragging) |
189 | _view.normalize_layout(); | |
190 | else | |
191 | { | |
192 | const shared_ptr<Trace> mouse_over_trace = | |
193 | get_mouse_over_trace(event->pos()); | |
194 | if (mouse_over_trace) { | |
512bfc56 | 195 | const int w = width() - BaselineOffset; |
569d1e41 JH |
196 | Popup *const p = |
197 | mouse_over_trace->create_popup(&_view); | |
512bfc56 | 198 | p->set_position(mapToGlobal(QPoint(w, |
569d1e41 JH |
199 | mouse_over_trace->get_y())), |
200 | Popup::Right); | |
201 | p->show(); | |
202 | } | |
203 | } | |
204 | ||
728fcafc | 205 | _dragging = false; |
38eeddea | 206 | _drag_traces.clear(); |
4b192962 | 207 | } |
54401bbb JH |
208 | } |
209 | ||
a29bb7fb JH |
210 | void Header::mouseMoveEvent(QMouseEvent *event) |
211 | { | |
212 | assert(event); | |
213 | _mouse_point = event->pos(); | |
54401bbb | 214 | |
728fcafc JH |
215 | if (!(event->buttons() & Qt::LeftButton)) |
216 | return; | |
217 | ||
218 | if ((event->pos() - _mouse_down_point).manhattanLength() < | |
219 | QApplication::startDragDistance()) | |
220 | return; | |
221 | ||
54401bbb | 222 | // Move the signals if we are dragging |
728fcafc JH |
223 | if (!_drag_traces.empty()) |
224 | { | |
225 | _dragging = true; | |
226 | ||
54401bbb JH |
227 | const int delta = event->pos().y() - _mouse_down_point.y(); |
228 | ||
f46e495e | 229 | for (auto i = _drag_traces.begin(); i != _drag_traces.end(); i++) { |
f9abf97e | 230 | const std::shared_ptr<Trace> trace((*i).first); |
38eeddea | 231 | if (trace) { |
da2bebfb | 232 | const int y = (*i).second + delta; |
49153683 JH |
233 | const int y_snap = |
234 | ((y + View::SignalSnapGridSize / 2) / | |
235 | View::SignalSnapGridSize) * | |
236 | View::SignalSnapGridSize; | |
38eeddea | 237 | trace->set_v_offset(y_snap); |
da2bebfb | 238 | |
38eeddea JH |
239 | // Ensure the trace is selected |
240 | trace->select(); | |
49153683 | 241 | } |
da2bebfb JH |
242 | |
243 | } | |
54401bbb JH |
244 | |
245 | signals_moved(); | |
246 | } | |
247 | ||
a29bb7fb JH |
248 | update(); |
249 | } | |
250 | ||
e314eca4 | 251 | void Header::leaveEvent(QEvent*) |
a29bb7fb JH |
252 | { |
253 | _mouse_point = QPoint(-1, -1); | |
254 | update(); | |
255 | } | |
256 | ||
49f8ff3f JH |
257 | void Header::contextMenuEvent(QContextMenuEvent *event) |
258 | { | |
38eeddea | 259 | const shared_ptr<Trace> t = get_mouse_over_trace(_mouse_point); |
49f8ff3f | 260 | |
9b6378f1 JH |
261 | if (t) |
262 | t->create_context_menu(this)->exec(event->globalPos()); | |
b3b57abc JH |
263 | } |
264 | ||
5ed1adf5 JH |
265 | void Header::keyPressEvent(QKeyEvent *e) |
266 | { | |
267 | assert(e); | |
268 | ||
269 | switch (e->key()) | |
270 | { | |
271 | case Qt::Key_Delete: | |
272 | { | |
273 | const vector< shared_ptr<Trace> > traces(_view.get_traces()); | |
d9aecf1f | 274 | for (const shared_ptr<Trace> t : traces) |
5ed1adf5 JH |
275 | if (t->selected()) |
276 | t->delete_pressed(); | |
277 | break; | |
278 | } | |
279 | } | |
280 | } | |
281 | ||
9e40e83d JH |
282 | void Header::on_signals_changed() |
283 | { | |
38eeddea | 284 | const vector< shared_ptr<Trace> > traces(_view.get_traces()); |
d9aecf1f | 285 | for (shared_ptr<Trace> t : traces) { |
38eeddea | 286 | assert(t); |
aca00b1e | 287 | connect(t.get(), SIGNAL(visibility_changed()), |
6f98ca4c | 288 | this, SLOT(on_trace_changed())); |
91e8bf08 | 289 | connect(t.get(), SIGNAL(text_changed()), |
6f98ca4c | 290 | this, SLOT(on_trace_changed())); |
91e8bf08 JH |
291 | connect(t.get(), SIGNAL(colour_changed()), |
292 | this, SLOT(update())); | |
9e40e83d JH |
293 | } |
294 | } | |
295 | ||
07204819 JH |
296 | void Header::on_signals_moved() |
297 | { | |
298 | update(); | |
299 | } | |
300 | ||
6f98ca4c | 301 | void Header::on_trace_changed() |
d7c0ca4a JH |
302 | { |
303 | update(); | |
304 | geometry_updated(); | |
305 | } | |
07204819 | 306 | |
1d8dca91 JH |
307 | } // namespace view |
308 | } // namespace pv |