}
Header::Header(View &parent) :
- MarginWidget(parent),
- dragging_(false)
+ MarginWidget(parent)
{
- setFocusPolicy(Qt::ClickFocus);
- setMouseTracking(true);
-
- 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(0));
+ max_rect = max_rect.united(i->label_rect(QRect()));
return QSize(max_rect.width() + Padding + BaselineOffset, 0);
}
-shared_ptr<RowItem> Header::get_mouse_over_row_item(const QPoint &pt)
+QSize Header::extended_size_hint() const
{
- const int w = width() - BaselineOffset;
- for (auto &i : view_)
- if (i->enabled() && i->label_rect(w).contains(pt))
- return i;
- return shared_ptr<RowItem>();
+ return sizeHint() + QSize(ViewItem::HighlightRadius, 0);
}
-void Header::clear_selection()
+vector< shared_ptr<ViewItem> > Header::items()
{
- for (auto &i : view_)
- i->select(false);
- update();
+ return vector< shared_ptr<ViewItem> >(view_.begin(), view_.end());
}
-void Header::show_popup(const shared_ptr<RowItem> &item)
+shared_ptr<ViewItem> Header::get_mouse_over_item(const QPoint &pt)
{
- using pv::widgets::Popup;
-
- Popup *const p = item->create_popup(&view_);
- if (!p)
- return;
-
- const QPoint pt(width() - BaselineOffset, item->get_visual_y());
- p->set_position(mapToGlobal(pt), Popup::Right);
- p->show();
+ 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 int w = width() - BaselineOffset;
+ const QRect rect(0, 0, width() - BaselineOffset, height());
vector< shared_ptr<RowItem> > row_items(
view_.begin(), view_.end());
{
assert(r);
- const bool highlight = !dragging_ &&
- r->label_rect(w).contains(mouse_point_);
- r->paint_label(painter, w, highlight);
+ const bool highlight = !item_dragging_ &&
+ r->label_rect(rect).contains(mouse_point_);
+ r->paint_label(painter, rect, highlight);
}
painter.end();
}
-void Header::mouseLeftPressEvent(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)
- for (shared_ptr<RowItem> r : view_)
- r->select(false);
-
- // 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
- for (const shared_ptr<RowItem> r : view_)
- if (r->selected())
- r->drag();
-
- selection_changed();
- update();
-}
-
-void Header::mousePressEvent(QMouseEvent *event)
-{
- assert(event);
-
- mouse_down_point_ = event->pos();
- mouse_down_item_ = get_mouse_over_row_item(event->pos());
-
- if (event->button() & Qt::LeftButton)
- mouseLeftPressEvent(event);
-}
-
-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<RowItem> mouse_over =
- get_mouse_over_row_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 int delta = event->pos().y() - mouse_down_point_.y();
-
- for (std::shared_ptr<RowItem> r : view_)
- if (r->dragging()) {
- r->force_to_v_offset(r->drag_point().y() + 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::leaveEvent(QEvent*)
-{
- mouse_point_ = QPoint(-1, -1);
- update();
-}
-
void Header::contextMenuEvent(QContextMenuEvent *event)
{
- const shared_ptr<RowItem> r = get_mouse_over_row_item(mouse_point_);
+ const shared_ptr<ViewItem> r = get_mouse_over_item(mouse_point_);
if (!r)
return;
{
assert(e);
- if (e->key() == Qt::Key_Delete)
- {
- for (const shared_ptr<RowItem> r : view_)
- if (r->selected())
- r->delete_pressed();
- }
- else if (e->key() == Qt::Key_G && e->modifiers() == Qt::ControlModifier)
+ 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(
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());
+ mouse_down_item ? mouse_down_item : selected_items.front());
assert(focus_item);
assert(focus_item->owner());
break;
}
}
- } while(restart);
+ } while (restart);
}
} // namespace view