]> sigrok.org Git - pulseview.git/blobdiff - pv/view/header.cpp
Session: Fix issue #67 by improving error handling
[pulseview.git] / pv / view / header.cpp
diff --git a/pv/view/header.cpp b/pv/view/header.cpp
deleted file mode 100644 (file)
index 766347d..0000000
+++ /dev/null
@@ -1,307 +0,0 @@
-/*
- * This file is part of the PulseView project.
- *
- * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
- *
- * 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.hpp"
-#include "view.hpp"
-
-#include "signal.hpp"
-#include "tracegroup.hpp"
-
-#include <cassert>
-#include <algorithm>
-
-#include <boost/iterator/filter_iterator.hpp>
-
-#include <QApplication>
-#include <QMenu>
-#include <QMouseEvent>
-#include <QPainter>
-#include <QRect>
-
-#include <pv/session.hpp>
-#include <pv/widgets/popup.hpp>
-
-using boost::make_filter_iterator;
-using std::dynamic_pointer_cast;
-using std::max;
-using std::make_pair;
-using std::min;
-using std::pair;
-using std::shared_ptr;
-using std::stable_sort;
-using std::vector;
-
-namespace pv {
-namespace view {
-
-const int Header::Padding = 12;
-const int Header::BaselineOffset = 5;
-
-static bool item_selected(shared_ptr<RowItem> r)
-{
-       return r->selected();
-}
-
-Header::Header(View &parent) :
-       MarginWidget(parent)
-{
-       connect(&view_, SIGNAL(signals_moved()),
-               this, SLOT(on_signals_moved()));
-}
-
-QSize Header::sizeHint() const
-{
-       QRectF max_rect(-Padding, 0, Padding, 0);
-       for (auto &i : view_)
-               if (i->enabled())
-                       max_rect = max_rect.united(i->label_rect(QRect()));
-       return QSize(max_rect.width() + Padding + BaselineOffset, 0);
-}
-
-QSize Header::extended_size_hint() const
-{
-       return sizeHint() + QSize(ViewItem::HighlightRadius, 0);
-}
-
-vector< shared_ptr<ViewItem> > Header::items()
-{
-       return vector< shared_ptr<ViewItem> >(view_.begin(), view_.end());
-}
-
-shared_ptr<ViewItem> Header::get_mouse_over_item(const QPoint &pt)
-{
-       const QRect r(0, 0, width() - BaselineOffset, height());
-       for (auto &i : view_)
-               if (i->enabled() && i->label_rect(r).contains(pt))
-                       return i;
-       return shared_ptr<RowItem>();
-}
-
-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 QRect rect(0, 0, width() - BaselineOffset, height());
-
-       vector< shared_ptr<RowItem> > row_items(
-               view_.begin(), view_.end());
-
-       stable_sort(row_items.begin(), row_items.end(),
-               [](const shared_ptr<RowItem> &a, const shared_ptr<RowItem> &b) {
-                       return a->visual_v_offset() < b->visual_v_offset(); });
-
-       QPainter painter(this);
-       painter.setRenderHint(QPainter::Antialiasing);
-
-       for (const shared_ptr<RowItem> r : row_items)
-       {
-               assert(r);
-
-               const bool highlight = !dragging_ &&
-                       r->label_rect(rect).contains(mouse_point_);
-               r->paint_label(painter, rect, highlight);
-       }
-
-       painter.end();
-}
-
-void Header::mouseLeftReleaseEvent(QMouseEvent *event)
-{
-       assert(event);
-
-       const bool ctrl_pressed =
-               QApplication::keyboardModifiers() & Qt::ControlModifier;
-
-       // Unselect everything if control is not pressed
-       const shared_ptr<ViewItem> mouse_over =
-               get_mouse_over_item(event->pos());
-
-       for (auto &r : view_)
-               r->drag_release();
-
-       if (dragging_)
-               view_.restack_all_row_items();
-       else
-       {
-               if (!ctrl_pressed) {
-                       for (shared_ptr<RowItem> r : view_)
-                               if (mouse_down_item_ != r)
-                                       r->select(false);
-
-                       if (mouse_down_item_)
-                               show_popup(mouse_down_item_);
-               }
-       }
-
-       dragging_ = false;
-}
-
-void Header::mouseReleaseEvent(QMouseEvent *event)
-{
-       assert(event);
-       if (event->button() & Qt::LeftButton)
-               mouseLeftReleaseEvent(event);
-
-       mouse_down_item_ = nullptr;
-}
-
-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;
-
-       // Check all the drag items share a common owner
-       RowItemOwner *item_owner = nullptr;
-       for (shared_ptr<RowItem> r : view_)
-               if (r->dragging()) {
-                       if (!item_owner)
-                               item_owner = r->owner();
-                       else if(item_owner != r->owner())
-                               return;
-               }
-
-       if (!item_owner)
-               return;
-
-       // Do the drag
-       dragging_ = true;
-
-       const QPoint delta = event->pos() - mouse_down_point_;
-
-       for (std::shared_ptr<RowItem> r : view_)
-               if (r->dragging()) {
-                       r->drag_by(delta);
-
-                       // Ensure the trace is selected
-                       r->select();
-               }
-
-       item_owner->restack_items();
-       for (const auto &r : *item_owner)
-               r->animate_to_layout_v_offset();
-       signals_moved();
-
-       update();
-}
-
-void Header::contextMenuEvent(QContextMenuEvent *event)
-{
-       const shared_ptr<ViewItem> r = get_mouse_over_item(mouse_point_);
-       if (!r)
-               return;
-
-       QMenu *menu = r->create_context_menu(this);
-       if (!menu)
-               menu = new QMenu(this);
-
-       if (std::count_if(view_.begin(), view_.end(), item_selected) > 1)
-       {
-               menu->addSeparator();
-
-               QAction *const group = new QAction(tr("Group"), this);
-               QList<QKeySequence> shortcuts;
-               shortcuts.append(QKeySequence(Qt::ControlModifier | Qt::Key_G));
-               group->setShortcuts(shortcuts);
-               connect(group, SIGNAL(triggered()), this, SLOT(on_group()));
-               menu->addAction(group);
-       }
-
-       menu->exec(event->globalPos());
-}
-
-void Header::keyPressEvent(QKeyEvent *e)
-{
-       assert(e);
-
-       MarginWidget::keyPressEvent(e);
-
-       if (e->key() == Qt::Key_G && e->modifiers() == Qt::ControlModifier)
-               on_group();
-       else if (e->key() == Qt::Key_U && e->modifiers() == Qt::ControlModifier)
-               on_ungroup();
-}
-
-void Header::on_signals_moved()
-{
-       update();
-}
-
-void Header::on_group()
-{
-       vector< shared_ptr<RowItem> > selected_items(
-               make_filter_iterator(item_selected, view_.begin(), view_.end()),
-               make_filter_iterator(item_selected, view_.end(), view_.end()));
-       stable_sort(selected_items.begin(), selected_items.end(),
-               [](const shared_ptr<RowItem> &a, const shared_ptr<RowItem> &b) {
-                       return a->visual_v_offset() < b->visual_v_offset(); });
-
-       shared_ptr<TraceGroup> group(new TraceGroup());
-       shared_ptr<RowItem> mouse_down_item(
-               std::dynamic_pointer_cast<RowItem>(mouse_down_item_));
-       shared_ptr<RowItem> focus_item(
-               mouse_down_item ? mouse_down_item : selected_items.front());
-
-       assert(focus_item);
-       assert(focus_item->owner());
-       focus_item->owner()->add_child_item(group);
-
-       // Set the group v_offset here before reparenting
-       group->force_to_v_offset(focus_item->layout_v_offset() +
-               focus_item->v_extents().first);
-
-       for (size_t i = 0; i < selected_items.size(); i++) {
-               const shared_ptr<RowItem> &r = selected_items[i];
-               assert(r->owner());
-               r->owner()->remove_child_item(r);
-               group->add_child_item(r);
-
-               // Put the items at 1-pixel offsets, so that restack will
-               // stack them in the right order
-               r->set_layout_v_offset(i);
-       }
-}
-
-void Header::on_ungroup()
-{
-       bool restart;
-       do {
-               restart = false;
-               for (const shared_ptr<RowItem> r : view_) {
-                       const shared_ptr<TraceGroup> tg =
-                               dynamic_pointer_cast<TraceGroup>(r);
-                       if (tg && tg->selected()) {
-                               tg->ungroup();
-                               restart = true;
-                               break;
-                       }
-               }
-       } while(restart);
-}
-
-} // namespace view
-} // namespace pv