X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fheader.cpp;h=e2ccfedc4e4d53cdb68d8897edaa1ec7f1622b24;hb=HEAD;hp=186e44973aed7bec63064ff2eef72bcd051138a9;hpb=1053d05c140fc52caa8829f0d4827add4eeb40f4;p=pulseview.git diff --git a/pv/view/header.cpp b/pv/view/header.cpp deleted file mode 100644 index 186e4497..00000000 --- a/pv/view/header.cpp +++ /dev/null @@ -1,308 +0,0 @@ -/* - * This file is part of the PulseView project. - * - * Copyright (C) 2012 Joel Holdsworth - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "header.h" -#include "view.h" - -#include "signal.h" -#include "../sigsession.h" - -#include - -#include -#include -#include -#include -#include - -#include - -using std::max; -using std::make_pair; -using std::pair; -using std::shared_ptr; -using std::vector; - -namespace pv { -namespace view { - -const int Header::Padding = 12; -const int Header::BaselineOffset = 5; - -Header::Header(View &parent) : - MarginWidget(parent), - _dragging(false) -{ - setFocusPolicy(Qt::ClickFocus); - setMouseTracking(true); - - connect(&_view.session(), SIGNAL(signals_changed()), - this, SLOT(on_signals_changed())); - - connect(&_view, SIGNAL(signals_moved()), - this, SLOT(on_signals_moved())); - - // Trigger the initial event manually. The default device has signals - // which were created before this object came into being - on_signals_changed(); -} - -QSize Header::sizeHint() const -{ - int max_width = 0; - - const vector< shared_ptr > traces(_view.get_traces()); - for (shared_ptr t : traces) { - assert(t); - - if (t->enabled()) { - max_width = max(max_width, (int)t->label_rect(0).width()); - } - } - - return QSize(max_width + Padding + BaselineOffset, 0); -} - -shared_ptr Header::get_mouse_over_trace(const QPoint &pt) -{ - const int w = width() - BaselineOffset; - const vector< shared_ptr > traces(_view.get_traces()); - - for (const shared_ptr t : traces) - { - assert(t); - if (t->pt_in_label_rect(0, w, pt)) - return t; - } - - return shared_ptr(); -} - -void Header::clear_selection() -{ - const vector< shared_ptr > traces(_view.get_traces()); - for (const shared_ptr t : traces) { - assert(t); - t->select(false); - } - - update(); -} - -void Header::paintEvent(QPaintEvent*) -{ - // The trace labels are not drawn with the arrows exactly on the - // left edge of the widget, because then the selection shadow - // would be clipped away. - const int w = width() - BaselineOffset; - const vector< shared_ptr > traces(_view.get_traces()); - - QPainter painter(this); - painter.setRenderHint(QPainter::Antialiasing); - - const bool dragging = !_drag_traces.empty(); - for (const shared_ptr t : traces) - { - assert(t); - - const bool highlight = !dragging && t->pt_in_label_rect( - 0, w, _mouse_point); - t->paint_label(painter, w, highlight); - } - - painter.end(); -} - -void Header::mousePressEvent(QMouseEvent *event) -{ - assert(event); - - const vector< shared_ptr > traces(_view.get_traces()); - - if (event->button() & Qt::LeftButton) { - _mouse_down_point = event->pos(); - - // Save the offsets of any signals which will be dragged - for (const shared_ptr t : traces) - if (t->selected()) - _drag_traces.push_back( - make_pair(t, t->get_v_offset())); - } - - // Select the signal if it has been clicked - const shared_ptr mouse_over_trace = - get_mouse_over_trace(event->pos()); - if (mouse_over_trace) { - if (mouse_over_trace->selected()) - mouse_over_trace->select(false); - else { - mouse_over_trace->select(true); - - if (~QApplication::keyboardModifiers() & - Qt::ControlModifier) - _drag_traces.clear(); - - // Add the signal to the drag list - if (event->button() & Qt::LeftButton) - _drag_traces.push_back( - make_pair(mouse_over_trace, - mouse_over_trace->get_v_offset())); - } - } - - if (~QApplication::keyboardModifiers() & Qt::ControlModifier) { - // Unselect all other signals because the Ctrl is not - // pressed - for (const shared_ptr t : traces) - if (t != mouse_over_trace) - t->select(false); - } - - selection_changed(); - update(); -} - -void Header::mouseReleaseEvent(QMouseEvent *event) -{ - using pv::widgets::Popup; - - assert(event); - if (event->button() == Qt::LeftButton) { - if (_dragging) - _view.normalize_layout(); - else - { - const shared_ptr mouse_over_trace = - get_mouse_over_trace(event->pos()); - if (mouse_over_trace) { - const int w = width() - BaselineOffset; - Popup *const p = - mouse_over_trace->create_popup(&_view); - p->set_position(mapToGlobal(QPoint(w, - mouse_over_trace->get_y())), - Popup::Right); - p->show(); - } - } - - _dragging = false; - _drag_traces.clear(); - } -} - -void Header::mouseMoveEvent(QMouseEvent *event) -{ - assert(event); - _mouse_point = event->pos(); - - if (!(event->buttons() & Qt::LeftButton)) - return; - - if ((event->pos() - _mouse_down_point).manhattanLength() < - QApplication::startDragDistance()) - return; - - // Move the signals if we are dragging - if (!_drag_traces.empty()) - { - _dragging = true; - - const int delta = event->pos().y() - _mouse_down_point.y(); - - for (auto i = _drag_traces.begin(); i != _drag_traces.end(); i++) { - const std::shared_ptr trace((*i).first); - if (trace) { - const int y = (*i).second + delta; - const int y_snap = - ((y + View::SignalSnapGridSize / 2) / - View::SignalSnapGridSize) * - View::SignalSnapGridSize; - trace->set_v_offset(y_snap); - - // Ensure the trace is selected - trace->select(); - } - - } - - signals_moved(); - } - - update(); -} - -void Header::leaveEvent(QEvent*) -{ - _mouse_point = QPoint(-1, -1); - update(); -} - -void Header::contextMenuEvent(QContextMenuEvent *event) -{ - const shared_ptr t = get_mouse_over_trace(_mouse_point); - - if (t) - t->create_context_menu(this)->exec(event->globalPos()); -} - -void Header::keyPressEvent(QKeyEvent *e) -{ - assert(e); - - switch (e->key()) - { - case Qt::Key_Delete: - { - const vector< shared_ptr > traces(_view.get_traces()); - for (const shared_ptr t : traces) - if (t->selected()) - t->delete_pressed(); - break; - } - } -} - -void Header::on_signals_changed() -{ - const vector< shared_ptr > traces(_view.get_traces()); - for (shared_ptr t : traces) { - assert(t); - connect(t.get(), SIGNAL(visibility_changed()), - this, SLOT(on_trace_changed())); - connect(t.get(), SIGNAL(text_changed()), - this, SLOT(on_trace_changed())); - connect(t.get(), SIGNAL(colour_changed()), - this, SLOT(update())); - } -} - -void Header::on_signals_moved() -{ - update(); -} - -void Header::on_trace_changed() -{ - update(); - geometry_updated(); -} - -} // namespace view -} // namespace pv