* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "header.h"
-#include "view.h"
+#include "header.hpp"
+#include "view.hpp"
-#include "signal.h"
-#include "../sigsession.h"
+#include "signal.hpp"
+#include "tracegroup.hpp"
-#include <assert.h>
+#include <cassert>
+#include <algorithm>
-#include <boost/foreach.hpp>
+#include <boost/iterator/filter_iterator.hpp>
#include <QApplication>
#include <QMenu>
#include <QPainter>
#include <QRect>
-#include <pv/widgets/popup.h>
+#include <pv/session.hpp>
+#include <pv/widgets/popup.hpp>
-using namespace boost;
-using namespace std;
+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 {
-Header::Header(View &parent) :
- MarginWidget(parent),
- _dragging(false)
-{
- setMouseTracking(true);
+const int Header::Padding = 12;
+const int Header::BaselineOffset = 5;
- connect(&_view.session(), SIGNAL(signals_changed()),
- this, SLOT(on_signals_changed()));
+static bool item_selected(shared_ptr<RowItem> r)
+{
+ return r->selected();
+}
- connect(&_view, SIGNAL(signals_moved()),
+Header::Header(View &parent) :
+ MarginWidget(parent)
+{
+ connect(&view_, SIGNAL(signals_moved()),
this, SLOT(on_signals_moved()));
}
-shared_ptr<Trace> Header::get_mouse_over_trace(const QPoint &pt)
+QSize Header::sizeHint() const
{
- const int w = width();
- const vector< shared_ptr<Trace> > traces(_view.get_traces());
+ 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);
+}
- BOOST_FOREACH(const shared_ptr<Trace> t, traces)
- {
- assert(t);
- if (t->pt_in_label_rect(0, w, pt))
- return t;
- }
+QSize Header::extended_size_hint() const
+{
+ return sizeHint() + QSize(ViewItem::HighlightRadius, 0);
+}
- return shared_ptr<Trace>();
+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::clear_selection()
{
- const vector< shared_ptr<Trace> > traces(_view.get_traces());
- BOOST_FOREACH(const shared_ptr<Trace> t, traces) {
- assert(t);
- t->select(false);
- }
-
+ for (auto &i : view_)
+ i->select(false);
update();
}
void Header::paintEvent(QPaintEvent*)
{
- const int w = width();
- const vector< shared_ptr<Trace> > traces(_view.get_traces());
+ // 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);
- const bool dragging = !_drag_traces.empty();
- BOOST_FOREACH(const shared_ptr<Trace> t, traces)
+ for (const shared_ptr<RowItem> r : row_items)
{
- assert(t);
+ assert(r);
- const bool highlight = !dragging && t->pt_in_label_rect(
- 0, w, _mouse_point);
- t->paint_label(painter, w, highlight);
+ const bool highlight = !dragging_ &&
+ r->label_rect(rect).contains(mouse_point_);
+ r->paint_label(painter, rect, highlight);
}
painter.end();
}
-void Header::mousePressEvent(QMouseEvent *event)
+void Header::mouseLeftPressEvent(QMouseEvent *event)
{
- assert(event);
+ (void)event;
- const vector< shared_ptr<Trace> > traces(_view.get_traces());
+ const bool ctrl_pressed =
+ QApplication::keyboardModifiers() & Qt::ControlModifier;
- if (event->button() & Qt::LeftButton) {
- _mouse_down_point = event->pos();
+ // 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);
- // Save the offsets of any signals which will be dragged
- BOOST_FOREACH(const shared_ptr<Trace> 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<Trace> 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()));
- }
+ // 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);
}
- if (~QApplication::keyboardModifiers() & Qt::ControlModifier) {
- // Unselect all other signals because the Ctrl is not
- // pressed
- BOOST_FOREACH(const shared_ptr<Trace> t, traces)
- if (t != mouse_over_trace)
- t->select(false);
- }
+ // 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::mouseReleaseEvent(QMouseEvent *event)
+void Header::mousePressEvent(QMouseEvent *event)
{
- using pv::widgets::Popup;
+ assert(event);
+
+ mouse_down_point_ = event->pos();
+ mouse_down_item_ = get_mouse_over_item(event->pos());
+
+ if (event->button() & Qt::LeftButton)
+ mouseLeftPressEvent(event);
+}
+void Header::mouseLeftReleaseEvent(QMouseEvent *event)
+{
assert(event);
- if (event->button() == Qt::LeftButton) {
- if (_dragging)
- _view.normalize_layout();
- else
- {
- const shared_ptr<Trace> mouse_over_trace =
- get_mouse_over_trace(event->pos());
- if (mouse_over_trace) {
- Popup *const p =
- mouse_over_trace->create_popup(&_view);
- p->set_position(mapToGlobal(QPoint(width(),
- mouse_over_trace->get_y())),
- Popup::Right);
- p->show();
- }
- }
- _dragging = false;
- _drag_traces.clear();
+ 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();
+ mouse_point_ = event->pos();
if (!(event->buttons() & Qt::LeftButton))
return;
- if ((event->pos() - _mouse_down_point).manhattanLength() <
+ 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 (std::list<std::pair<boost::weak_ptr<Trace>,
- int> >::iterator i = _drag_traces.begin();
- i != _drag_traces.end(); i++) {
- const boost::shared_ptr<Trace> 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();
- }
-
+ // 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;
}
- signals_moved();
- }
+ if (!item_owner)
+ return;
- update();
-}
+ // 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();
-void Header::leaveEvent(QEvent*)
-{
- _mouse_point = QPoint(-1, -1);
update();
}
void Header::contextMenuEvent(QContextMenuEvent *event)
{
- const shared_ptr<Trace> t = get_mouse_over_trace(_mouse_point);
+ 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 (t)
- t->create_context_menu(this)->exec(event->globalPos());
+ 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::on_signals_changed()
+void Header::keyPressEvent(QKeyEvent *e)
{
- const vector< shared_ptr<Trace> > traces(_view.get_traces());
- BOOST_FOREACH(shared_ptr<Trace> t, traces) {
- assert(t);
- connect(t.get(), SIGNAL(visibility_changed()),
- this, SLOT(update()));
- connect(t.get(), SIGNAL(text_changed()),
- this, SLOT(update()));
- connect(t.get(), SIGNAL(colour_changed()),
- this, SLOT(update()));
+ 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)
+ 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
projects / pulseview.git / blobdiff