* 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
+ * 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"
#include <QMouseEvent>
+#include <QDebug>
+
using std::abs;
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;
namespace pv {
-namespace view {
+namespace views {
+namespace TraceView {
Viewport::Viewport(View &parent) :
ViewWidget(parent),
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::item_hover(const shared_ptr<ViewItem> &item)
{
- if (item)
+ if (item && item->is_draggable())
setCursor(dynamic_pointer_cast<RowItem>(item) ?
Qt::SizeVerCursor : Qt::SizeHorCursor);
else
void Viewport::drag()
{
drag_offset_ = view_.offset();
+ drag_v_offset_ = view_.owner_visual_v_offset();
}
void Viewport::drag_by(const QPoint &delta)
view_.set_scale_offset(view_.scale(),
(*drag_offset_ - delta.x() * view_.scale()));
+
+ view_.set_v_offset(-drag_v_offset_ - delta.y());
}
void Viewport::drag_release()
vector< shared_ptr<ViewItem> > Viewport::items()
{
vector< shared_ptr<ViewItem> > items;
- const std::vector< shared_ptr<ViewItem> > view_items(
+ const vector< shared_ptr<ViewItem> > view_items(
view_.list_by_type<ViewItem>());
copy(view_items.begin(), view_items.end(), back_inserter(items));
const vector< shared_ptr<TimeItem> > time_items(view_.time_items());
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 (const shared_ptr<RowItem> r : row_items)
- r->paint_fore(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);
- 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();
}
view_.zoom(-2.0, event->x());
}
-void Viewport::wheelEvent(QWheelEvent *e)
+void Viewport::wheelEvent(QWheelEvent *event)
{
- assert(e);
+ assert(event);
- if (e->orientation() == Qt::Vertical)
- {
- if (e->modifiers() & Qt::ControlModifier) {
+ if (event->orientation() == Qt::Vertical) {
+ if (event->modifiers() & Qt::ControlModifier) {
// Vertical scrolling with the control key pressed
// is intrepretted as vertical scrolling
view_.set_v_offset(-view_.owner_visual_v_offset() -
- (e->delta() * height()) / (8 * 120));
+ (event->delta() * height()) / (8 * 120));
} else {
// Vertical scrolling is interpreted as zooming in/out
- view_.zoom(e->delta() / 120, e->x());
+ view_.zoom(event->delta() / 120, event->x());
}
- }
- else if (e->orientation() == Qt::Horizontal)
- {
+ } else if (event->orientation() == Qt::Horizontal) {
// Horizontal scrolling is interpreted as moving left/right
view_.set_scale_offset(view_.scale(),
- e->delta() * view_.scale() + view_.offset());
+ event->delta() * view_.scale() + view_.offset());
}
}
-} // namespace view
+} // namespace TraceView
+} // namespace views
} // namespace pv