Use iterators to traverse signals

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

diff --git a/pv/view/header.cpp b/pv/view/header.cpp
index fdfd896f2ac877339412ed415722cb5789101ba7..22bc528cb19e727851219d7d7a136a4bb300419d 100644 (file)
--- a/pv/view/header.cpp
+++ b/pv/view/header.cpp
@@ -70,14 +70,9 @@ QSize Header::sizeHint() const
 {
        int max_width = 0;
 
-       const vector< shared_ptr<RowItem> > row_items(_view.child_items());
-       for (shared_ptr<RowItem> r : row_items) {
-               assert(r);
-
-               if (r->enabled()) {
-                       max_width = max(max_width, (int)r->label_rect(0).width());
-               }
-       }
+       for (auto &i : _view)
+               if (i->enabled())
+                       max_width = max(max_width, (int)i->label_rect(0).width());
 
        return QSize(max_width + Padding + BaselineOffset, 0);
 }
@@ -85,26 +80,16 @@ QSize Header::sizeHint() const
 shared_ptr<RowItem> Header::get_mouse_over_row_item(const QPoint &pt)
 {
        const int w = width() - BaselineOffset;
-       const vector< shared_ptr<RowItem> > row_items(_view.child_items());
-
-       for (const shared_ptr<RowItem> r : row_items)
-       {
-               assert(r);
-               if (r->enabled() && r->label_rect(w).contains(pt))
-                       return r;
-       }
-
+       for (auto &i : _view)
+               if (i->enabled() && i->label_rect(w).contains(pt))
+                       return i;
        return shared_ptr<RowItem>();
 }
 
 void Header::clear_selection()
 {
-       const vector< shared_ptr<RowItem> > row_items(_view.child_items());
-       for (const shared_ptr<RowItem> r : row_items) {
-               assert(r);
-               r->select(false);
-       }
-
+       for (auto &i : _view)
+               i->select(false);
        update();
 }
 
@@ -128,7 +113,9 @@ void Header::paintEvent(QPaintEvent*)
        // would be clipped away.
        const int w = width() - BaselineOffset;
 
-       vector< shared_ptr<RowItem> > row_items(_view.child_items());
+       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->v_offset() < b->v_offset(); });
@@ -153,13 +140,11 @@ void Header::mousePressEvent(QMouseEvent *event)
 {
        assert(event);
 
-       const vector< shared_ptr<RowItem> > row_items(_view.child_items());
-
        if (event->button() & Qt::LeftButton) {
                _mouse_down_point = event->pos();
 
                // Save the offsets of any signals which will be dragged
-               for (const shared_ptr<RowItem> r : row_items)
+               for (const shared_ptr<RowItem> r : _view)
                        if (r->selected())
                                _drag_row_items.push_back(
                                        make_pair(r, r->v_offset()));
@@ -189,7 +174,7 @@ void Header::mousePressEvent(QMouseEvent *event)
        if (~QApplication::keyboardModifiers() & Qt::ControlModifier) {
                // Unselect all other signals because the Ctrl is not
                // pressed
-               for (const shared_ptr<RowItem> r : row_items)
+               for (const shared_ptr<RowItem> r : _view)
                        if (r != mouse_over_row_item)
                                r->select(false);
        }
@@ -286,8 +271,7 @@ void Header::keyPressEvent(QKeyEvent *e)
        {
        case Qt::Key_Delete:
        {
-               const vector< shared_ptr<RowItem> > row_items(_view.child_items());
-               for (const shared_ptr<RowItem> r : row_items)
+               for (const shared_ptr<RowItem> r : _view)
                        if (r->selected())
                                r->delete_pressed();
                break;
@@ -297,8 +281,7 @@ void Header::keyPressEvent(QKeyEvent *e)
 
 void Header::on_signals_changed()
 {
-       const vector< shared_ptr<RowItem> > row_items(_view.child_items());
-       for (shared_ptr<RowItem> r : row_items) {
+       for (shared_ptr<RowItem> r : _view) {
                assert(r);
                connect(r.get(), SIGNAL(visibility_changed()),
                        this, SLOT(on_trace_changed()));