* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
+#include <algorithm>
#include <cassert>
#include <cmath>
-#include <algorithm>
#include <limits>
#include "signal.hpp"
using std::back_inserter;
using std::copy;
using std::dynamic_pointer_cast;
-using std::max;
-using std::min;
-using std::none_of;
-using std::numeric_limits;
+using std::none_of; // Used in assert()s.
using std::shared_ptr;
using std::stable_sort;
using std::vector;
const ViewItemPaintParams pp(rect(), view_.scale(), view_.offset());
const vector< shared_ptr<ViewItem> > items(this->items());
for (auto i = items.rbegin(); i != items.rend(); i++)
- if ((*i)->enabled() &&
- (*i)->hit_box_rect(pp).contains(pt))
+ if ((*i)->enabled() && (*i)->hit_box_rect(pp).contains(pt))
return *i;
return nullptr;
}
void Viewport::paintEvent(QPaintEvent*)
{
+ typedef void (ViewItem::*LayerPaintFunc)(
+ QPainter &p, ViewItemPaintParams &pp);
+ LayerPaintFunc layer_paint_funcs[] = {
+ &ViewItem::paint_back, &ViewItem::paint_mid,
+ &ViewItem::paint_fore, nullptr};
+
vector< shared_ptr<RowItem> > row_items(view_.list_by_type<RowItem>());
assert(none_of(row_items.begin(), row_items.end(),
[](const shared_ptr<RowItem> &r) { return !r; }));
QPainter p(this);
p.setRenderHint(QPainter::Antialiasing);
- const ViewItemPaintParams pp(rect(), view_.scale(), view_.offset());
-
- for (const shared_ptr<TimeItem> t : time_items)
- t->paint_back(p, pp);
- for (const shared_ptr<RowItem> r : row_items)
- r->paint_back(p, pp);
-
- for (const shared_ptr<TimeItem> t : time_items)
- t->paint_mid(p, pp);
- for (const shared_ptr<RowItem> r : row_items)
- r->paint_mid(p, pp);
+ for (LayerPaintFunc *paint_func = layer_paint_funcs;
+ *paint_func; paint_func++) {
+ ViewItemPaintParams time_pp(rect(), view_.scale(), view_.offset());
+ for (const shared_ptr<TimeItem> t : time_items)
+ (t.get()->*(*paint_func))(p, time_pp);
- for (const shared_ptr<RowItem> r : row_items)
- r->paint_fore(p, pp);
-
- p.setRenderHint(QPainter::Antialiasing, false);
- for (const shared_ptr<TimeItem> t : time_items)
- t->paint_fore(p, pp);
+ ViewItemPaintParams row_pp(rect(), view_.scale(), view_.offset());
+ for (const shared_ptr<RowItem> r : row_items)
+ (r.get()->*(*paint_func))(p, row_pp);
+ }
p.end();
}