+++ /dev/null
-/*
- * 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) :
- ViewWidget(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::mouse_left_release_event(QMouseEvent *event)
-{
- assert(event);
-
- auto items = this->items();
- 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 &i : items)
- i->drag_release();
-
- if (dragging_)
- view_.restack_all_row_items();
- else
- {
- if (!ctrl_pressed) {
- for (shared_ptr<ViewItem> i : items)
- if (mouse_down_item_ != i)
- i->select(false);
-
- if (mouse_down_item_)
- show_popup(mouse_down_item_);
- }
- }
-
- dragging_ = false;
-}
-
-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::mouseReleaseEvent(QMouseEvent *event)
-{
- assert(event);
- if (event->button() & Qt::LeftButton)
- mouse_left_release_event(event);
-
- mouse_down_item_ = nullptr;
-}
-
-void MarginWidget::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;
-
- if (!accept_drag())
- return;
-
- // Do the drag
- dragging_ = true;
- drag_items(event->pos() - mouse_down_point_);
-
- update();
-}
-
-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