#include "signal.hpp"
#include "view.hpp"
+#include "viewitempaintparams.hpp"
#include "viewport.hpp"
#include <pv/session.hpp>
#include <QMouseEvent>
using std::abs;
+using std::back_inserter;
+using std::copy;
using std::max;
using std::min;
+using std::none_of;
using std::shared_ptr;
using std::stable_sort;
using std::vector;
namespace view {
Viewport::Viewport(View &parent) :
- QWidget(&parent),
- view_(parent),
+ ViewWidget(parent),
mouse_down_valid_(false),
pinch_zoom_active_(false)
{
- setAttribute(Qt::WA_AcceptTouchEvents, true);
-
- setMouseTracking(true);
setAutoFillBackground(true);
setBackgroundRole(QPalette::Base);
+}
- connect(&view_, SIGNAL(signals_moved()),
- this, SLOT(on_signals_moved()));
+shared_ptr<ViewItem> Viewport::get_mouse_over_item(const QPoint &pt)
+{
+ const vector< shared_ptr<ViewItem> > items(this->items());
+ for (auto i = items.rbegin(); i != items.rend(); i++)
+ if ((*i)->enabled() &&
+ (*i)->hit_box_rect(rect()).contains(pt))
+ return *i;
+ return nullptr;
+}
+
+vector< shared_ptr<ViewItem> > Viewport::items()
+{
+ vector< shared_ptr<ViewItem> > items(view_.begin(), view_.end());
+ const vector< shared_ptr<TimeItem> > time_items(view_.time_items());
+ copy(time_items.begin(), time_items.end(), back_inserter(items));
+ return items;
+}
+
+bool Viewport::touch_event(QTouchEvent *event)
+{
+ QList<QTouchEvent::TouchPoint> touchPoints = event->touchPoints();
+
+ if (touchPoints.count() != 2) {
+ pinch_zoom_active_ = false;
+ return false;
+ }
+
+ const QTouchEvent::TouchPoint &touchPoint0 = touchPoints.first();
+ const QTouchEvent::TouchPoint &touchPoint1 = touchPoints.last();
+
+ if (!pinch_zoom_active_ ||
+ (event->touchPointStates() & Qt::TouchPointPressed)) {
+ pinch_offset0_ = view_.offset() + view_.scale() * touchPoint0.pos().x();
+ pinch_offset1_ = view_.offset() + view_.scale() * touchPoint1.pos().x();
+ pinch_zoom_active_ = true;
+ }
+
+ double w = touchPoint1.pos().x() - touchPoint0.pos().x();
+ if (abs(w) >= 1.0) {
+ double scale = (pinch_offset1_ - pinch_offset0_) / w;
+ if (scale < 0)
+ scale = -scale;
+ double offset = pinch_offset0_ - touchPoint0.pos().x() * scale;
+ if (scale > 0)
+ view_.set_scale_offset(scale, offset);
+ }
+
+ if (event->touchPointStates() & Qt::TouchPointReleased) {
+ pinch_zoom_active_ = false;
+
+ if (touchPoint0.state() & Qt::TouchPointReleased) {
+ // Primary touch released
+ mouse_down_valid_ = false;
+ } else {
+ // Update the mouse down fields so that continued
+ // dragging with the primary touch will work correctly
+ mouse_down_point_ = touchPoint0.pos().toPoint();
+ mouse_down_offset_ = view_.offset();
+ mouse_down_valid_ = true;
+ }
+ }
+
+ return true;
}
void Viewport::paintEvent(QPaintEvent*)
{
vector< shared_ptr<RowItem> > row_items(view_.begin(), view_.end());
+ assert(none_of(row_items.begin(), row_items.end(),
+ [](const shared_ptr<RowItem> &r) { return !r; }));
+
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(); });
+ const vector< shared_ptr<TimeItem> > time_items(view_.time_items());
+ assert(none_of(time_items.begin(), time_items.end(),
+ [](const shared_ptr<TimeItem> &t) { return !t; }));
+
QPainter p(this);
p.setRenderHint(QPainter::Antialiasing);
- if (view_.cursors_shown())
- view_.cursors().draw_viewport_background(p, rect());
+ const ViewItemPaintParams pp(rect(), view_.scale(), view_.offset());
- // Plot the signal
+ for (const shared_ptr<TimeItem> t : time_items)
+ t->paint_back(p, pp);
for (const shared_ptr<RowItem> r : row_items)
- {
- assert(r);
- r->paint_back(p, 0, width());
- }
+ 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, 0, width());
+ r->paint_mid(p, pp);
for (const shared_ptr<RowItem> r : row_items)
- r->paint_fore(p, 0, width());
-
- if (view_.cursors_shown())
- view_.cursors().draw_viewport_foreground(p, rect());
+ r->paint_fore(p, pp);
+ for (const shared_ptr<TimeItem> t : time_items)
+ t->paint_fore(p, pp);
p.end();
}
-bool Viewport::event(QEvent *event)
-{
- switch (event->type()) {
- case QEvent::TouchBegin:
- case QEvent::TouchUpdate:
- case QEvent::TouchEnd:
- if (touchEvent(static_cast<QTouchEvent *>(event)))
- return true;
- break;
-
- default:
- break;
- }
-
- return QWidget::event(event);
-}
-
void Viewport::mousePressEvent(QMouseEvent *event)
{
assert(event);
}
}
-bool Viewport::touchEvent(QTouchEvent *event)
-{
- QList<QTouchEvent::TouchPoint> touchPoints = event->touchPoints();
-
- if (touchPoints.count() != 2) {
- pinch_zoom_active_ = false;
- return false;
- }
-
- const QTouchEvent::TouchPoint &touchPoint0 = touchPoints.first();
- const QTouchEvent::TouchPoint &touchPoint1 = touchPoints.last();
-
- if (!pinch_zoom_active_ ||
- (event->touchPointStates() & Qt::TouchPointPressed)) {
- pinch_offset0_ = view_.offset() + view_.scale() * touchPoint0.pos().x();
- pinch_offset1_ = view_.offset() + view_.scale() * touchPoint1.pos().x();
- pinch_zoom_active_ = true;
- }
-
- double w = touchPoint1.pos().x() - touchPoint0.pos().x();
- if (abs(w) >= 1.0) {
- double scale = (pinch_offset1_ - pinch_offset0_) / w;
- if (scale < 0)
- scale = -scale;
- double offset = pinch_offset0_ - touchPoint0.pos().x() * scale;
- if (scale > 0)
- view_.set_scale_offset(scale, offset);
- }
-
- if (event->touchPointStates() & Qt::TouchPointReleased) {
- pinch_zoom_active_ = false;
-
- if (touchPoint0.state() & Qt::TouchPointReleased) {
- // Primary touch released
- mouse_down_valid_ = false;
- } else {
- // Update the mouse down fields so that continued
- // dragging with the primary touch will work correctly
- mouse_down_point_ = touchPoint0.pos().toPoint();
- mouse_down_offset_ = view_.offset();
- mouse_down_valid_ = true;
- }
- }
-
- return true;
-}
-
-void Viewport::on_signals_moved()
-{
- update();
-}
-
} // namespace view
} // namespace pv
projects / pulseview.git / blobdiff