* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "ruler.hpp"
+#include <extdef.h>
+#include <QApplication>
+#include <QFontMetrics>
+#include <QMouseEvent>
+
+#include "ruler.hpp"
#include "view.hpp"
-#include "pv/util.hpp"
-#include <extdef.h>
+#include <pv/util.hpp>
+#include <pv/widgets/popup.hpp>
using namespace Qt;
+using std::shared_ptr;
+using std::vector;
+
namespace pv {
namespace view {
const int Ruler::HoverArrowSize = 5;
+const int Ruler::Padding = 20;
+const int Ruler::BaselineOffset = 5;
+
Ruler::Ruler(View &parent) :
- MarginWidget(parent)
+ MarginWidget(parent),
+ text_height_(calculate_text_height())
{
setMouseTracking(true);
this, SLOT(hover_point_changed()));
}
+void Ruler::clear_selection()
+{
+ const vector< shared_ptr<TimeItem> > items(view_.time_items());
+ for (auto &i : items)
+ i->select(false);
+ update();
+}
+
QSize Ruler::sizeHint() const
{
return QSize(0, RulerHeight);
}
+QSize Ruler::extended_size_hint() const
+{
+ return QSize(0, RulerHeight +
+ (text_height_ + Padding + BaselineOffset) / 2);
+}
+
void Ruler::paintEvent(QPaintEvent*)
{
const int ValueMargin = 3;
const double tick_period = view_.tick_period();
const unsigned int prefix = view_.tick_prefix();
- const int text_height = p.boundingRect(0, 0, INT_MAX, INT_MAX,
- AlignLeft | AlignTop, "8").height();
-
// Draw the tick marks
p.setPen(palette().color(foregroundRole()));
int division = (int)round(first_minor_division -
first_major_division * MinorTickSubdivision) - 1;
- const int major_tick_y1 = text_height + ValueMargin * 2;
- const int tick_y2 = height();
+ const int major_tick_y1 = text_height_ + ValueMargin * 2;
+ const int tick_y2 = RulerHeight;
const int minor_tick_y1 = (major_tick_y1 + tick_y2) / 2;
double x;
if (division % MinorTickSubdivision == 0)
{
// Draw a major tick
- p.drawText(x, ValueMargin, 0, text_height,
+ p.drawText(x, ValueMargin, 0, text_height_,
AlignCenter | AlignTop | TextDontClip,
pv::util::format_time(t, prefix));
p.drawLine(QPointF(x, major_tick_y1),
// Draw the hover mark
draw_hover_mark(p);
+
+ // The cursor labels are not drawn with the arrows exactly on the
+ // bottom line of the widget, because then the selection shadow
+ // would be clipped away.
+ const QRect r = rect().adjusted(0, 0, 0, -BaselineOffset);
+
+ // Draw the items
+ const vector< shared_ptr<TimeItem> > items(view_.time_items());
+ for (auto &i : items)
+ i->paint_label(p, r);
+}
+
+void Ruler::mouseMoveEvent(QMouseEvent *e)
+{
+ mouse_point_ = e->pos();
+
+ if (!(e->buttons() & Qt::LeftButton))
+ return;
+
+ if ((e->pos() - mouse_down_point_).manhattanLength() <
+ QApplication::startDragDistance())
+ return;
+
+ // Do the drag
+ dragging_ = true;
+
+ const int delta = e->pos().x() - mouse_down_point_.x();
+ const vector< shared_ptr<TimeItem> > items(view_.time_items());
+ for (auto &i : items)
+ if (i->dragging())
+ i->set_time(view_.offset() +
+ (i->drag_point().x() + delta - 0.5) *
+ view_.scale());
+}
+
+void Ruler::mousePressEvent(QMouseEvent *e)
+{
+ if (e->buttons() & Qt::LeftButton) {
+ mouse_down_point_ = e->pos();
+
+ mouse_down_item_.reset();
+
+ clear_selection();
+
+ const vector< shared_ptr<TimeItem> > items(view_.time_items());
+ for (auto i = items.rbegin(); i != items.rend(); i++)
+ if ((*i)->label_rect(rect()).contains(e->pos())) {
+ mouse_down_item_ = (*i);
+ break;
+ }
+
+ if (mouse_down_item_) {
+ mouse_down_item_->select();
+ mouse_down_item_->drag();
+ }
+
+ selection_changed();
+ }
+}
+
+void Ruler::mouseReleaseEvent(QMouseEvent *)
+{
+ using pv::widgets::Popup;
+
+ if (!dragging_ && mouse_down_item_) {
+ Popup *const p = mouse_down_item_->create_popup(&view_);
+ if (p) {
+ const QPoint arrpos(mouse_down_item_->get_x(),
+ height() - BaselineOffset);
+ p->set_position(mapToGlobal(arrpos), Popup::Bottom);
+ p->show();
+ }
+ }
+
+ dragging_ = false;
+ mouse_down_item_.reset();
+
+ const vector< shared_ptr<TimeItem> > items(view_.time_items());
+ for (auto &i : items)
+ i->drag_release();
+}
+
+void Ruler::leaveEvent(QEvent*)
+{
+ mouse_point_ = QPoint(-1, -1);
+ update();
+}
+
+void Ruler::mouseDoubleClickEvent(QMouseEvent *e)
+{
+ view_.add_flag(view_.offset() + ((double)e->x() + 0.5) * view_.scale());
+}
+
+void Ruler::keyPressEvent(QKeyEvent *e)
+{
+ assert(e);
+
+ if (e->key() == Qt::Key_Delete)
+ {
+ const vector< shared_ptr<TimeItem> > items(view_.time_items());
+ for (auto &i : items)
+ if (i->selected())
+ i->delete_pressed();
+ }
}
void Ruler::draw_hover_mark(QPainter &p)
p.setPen(QPen(Qt::NoPen));
p.setBrush(QBrush(palette().color(foregroundRole())));
- const int b = height() - 1;
+ const int b = RulerHeight;
const QPointF points[] = {
QPointF(x, b),
QPointF(x - HoverArrowSize, b - HoverArrowSize),
p.drawPolygon(points, countof(points));
}
+int Ruler::calculate_text_height()
+{
+ QFontMetrics fm(font());
+ return fm.boundingRect(0, 0, INT_MAX, INT_MAX,
+ Qt::AlignLeft | Qt::AlignTop, "8").height();
+}
+
void Ruler::hover_point_changed()
{
update();
projects / pulseview.git / blobdiff