Session: Fix issue #67 by improving error handling

[pulseview.git] / pv / view / marginwidget.cpp

diff --git a/pv/view/marginwidget.cpp b/pv/view/marginwidget.cpp
deleted file mode 100644 (file)
index 5a81c45..0000000
--- a/pv/view/marginwidget.cpp
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * This file is part of the PulseView project.
- *
- * Copyright (C) 2013 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 <QApplication>
-#include <QMenu>
-#include <QMouseEvent>
-
-#include "view.hpp"
-
-#include "marginwidget.hpp"
-
-#include <pv/widgets/popup.hpp>
-
-using std::shared_ptr;
-
-namespace pv {
-namespace view {
-
-MarginWidget::MarginWidget(View &parent) :
-       QWidget(&parent),
-       view_(parent),
-       dragging_(false)
-{
-       setAttribute(Qt::WA_NoSystemBackground, true);
-       setFocusPolicy(Qt::ClickFocus);
-       setMouseTracking(true);
-}
-
-void MarginWidget::show_popup(const shared_ptr<ViewItem> &item)
-{
-       pv::widgets::Popup *const p = item->create_popup(this);
-       if (p)
-               p->show();
-}
-
-void MarginWidget::mouse_left_press_event(QMouseEvent *event)
-{
-       (void)event;
-
-       const bool ctrl_pressed =
-               QApplication::keyboardModifiers() & Qt::ControlModifier;
-
-       // Clear selection if control is not pressed and this item is unselected
-       if ((!mouse_down_item_ || !mouse_down_item_->selected()) &&
-               !ctrl_pressed)
-               clear_selection();
-
-       // Set the signal selection state if the item has been clicked
-       if (mouse_down_item_) {
-               if (ctrl_pressed)
-                       mouse_down_item_->select(!mouse_down_item_->selected());
-               else
-                       mouse_down_item_->select(true);
-       }
-
-       // Save the offsets of any signals which will be dragged
-       const auto items = this->items();
-       for (auto &i : items)
-               if (i->selected())
-                       i->drag();
-
-       selection_changed();
-       update();
-}
-
-void MarginWidget::mousePressEvent(QMouseEvent *event)
-{
-       assert(event);
-
-       mouse_down_point_ = event->pos();
-       mouse_down_item_ = get_mouse_over_item(event->pos());
-
-       if (event->button() & Qt::LeftButton)
-               mouse_left_press_event(event);
-}
-
-void MarginWidget::leaveEvent(QEvent*)
-{
-       mouse_point_ = QPoint(-1, -1);
-       update();
-}
-
-void MarginWidget::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->exec(event->globalPos());
-}
-
-void MarginWidget::keyPressEvent(QKeyEvent *e)
-{
-       assert(e);
-
-       if (e->key() == Qt::Key_Delete)
-       {
-               const auto items = this->items();
-               for (auto &i : items)
-                       if (i->selected())
-                               i->delete_pressed();
-       }
-}
-
-void MarginWidget::clear_selection()
-{
-       const auto items = this->items();
-       for (auto &i : items)
-               i->select(false);
-       update();
-}
-
-} // namespace view
-} // namespace pv