]> sigrok.org Git - pulseview.git/blobdiff - pv/view/ruler.cpp
Session: Fix issue #67 by improving error handling
[pulseview.git] / pv / view / ruler.cpp
diff --git a/pv/view/ruler.cpp b/pv/view/ruler.cpp
deleted file mode 100644 (file)
index 5b84d6d..0000000
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
- * This file is part of the PulseView project.
- *
- * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * 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
- */
-
-#include <extdef.h>
-
-#include <QApplication>
-#include <QFontMetrics>
-#include <QMenu>
-#include <QMouseEvent>
-
-#include "ruler.hpp"
-#include "view.hpp"
-
-#include <pv/util.hpp>
-
-using namespace Qt;
-
-using std::shared_ptr;
-using std::vector;
-
-namespace pv {
-namespace view {
-
-const float Ruler::RulerHeight = 2.5f;  // x Text Height
-const int Ruler::MinorTickSubdivision = 4;
-
-const float Ruler::HoverArrowSize = 0.5f;  // x Text Height
-
-Ruler::Ruler(View &parent) :
-       MarginWidget(parent)
-{
-       setMouseTracking(true);
-
-       connect(&view_, SIGNAL(hover_point_changed()),
-               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
-{
-       const int text_height = calculate_text_height();
-       return QSize(0, RulerHeight * text_height);
-}
-
-QSize Ruler::extended_size_hint() const
-{
-       QRectF max_rect;
-       std::vector< std::shared_ptr<TimeItem> > items(view_.time_items());
-       for (auto &i : items)
-               max_rect = max_rect.united(i->label_rect(QRect()));
-       return QSize(0, sizeHint().height() - max_rect.top() / 2 +
-               ViewItem::HighlightRadius);
-}
-
-shared_ptr<ViewItem> Ruler::get_mouse_over_item(const QPoint &pt)
-{
-       const vector< shared_ptr<TimeItem> > items(view_.time_items());
-       for (auto i = items.rbegin(); i != items.rend(); i++)
-               if ((*i)->enabled() && (*i)->label_rect(rect()).contains(pt))
-                       return *i;
-       return nullptr;
-}
-
-void Ruler::paintEvent(QPaintEvent*)
-{
-       const int ValueMargin = 3;
-
-       QPainter p(this);
-       p.setRenderHint(QPainter::Antialiasing);
-
-       const double tick_period = view_.tick_period();
-       const unsigned int prefix = view_.tick_prefix();
-
-       // Draw the tick marks
-       p.setPen(palette().color(foregroundRole()));
-
-       const double minor_tick_period = tick_period / MinorTickSubdivision;
-       const double first_major_division =
-               floor(view_.offset() / tick_period);
-       const double first_minor_division =
-               ceil(view_.offset() / minor_tick_period);
-       const double t0 = first_major_division * tick_period;
-
-       int division = (int)round(first_minor_division -
-               first_major_division * MinorTickSubdivision) - 1;
-
-       const int text_height = calculate_text_height();
-       const int ruler_height = RulerHeight * text_height;
-       const int major_tick_y1 = text_height + ValueMargin * 2;
-       const int minor_tick_y1 = (major_tick_y1 + ruler_height) / 2;
-
-       double x;
-
-       do {
-               const double t = t0 + division * minor_tick_period;
-               x = (t - view_.offset()) / view_.scale();
-
-               if (division % MinorTickSubdivision == 0)
-               {
-                       // Draw a major tick
-                       p.drawText(x, ValueMargin, 0, text_height,
-                               AlignCenter | AlignTop | TextDontClip,
-                               pv::util::format_time(t, prefix));
-                       p.drawLine(QPointF(x, major_tick_y1),
-                               QPointF(x, ruler_height));
-               }
-               else
-               {
-                       // Draw a minor tick
-                       p.drawLine(QPointF(x, minor_tick_y1),
-                               QPointF(x, ruler_height));
-               }
-
-               division++;
-
-       } while (x < width());
-
-       // Draw the hover mark
-       draw_hover_mark(p, text_height);
-
-       // 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, -ViewItem::HighlightRadius);
-
-       // Draw the items
-       const vector< shared_ptr<TimeItem> > items(view_.time_items());
-       for (auto &i : items) {
-               const bool highlight = !dragging_ &&
-                       i->label_rect(r).contains(mouse_point_);
-               i->paint_label(p, r, highlight);
-       }
-}
-
-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 QPoint delta = e->pos() - mouse_down_point_;
-       const vector< shared_ptr<TimeItem> > items(view_.time_items());
-       for (auto &i : items)
-               if (i->dragging())
-                       i->drag_by(delta);
-}
-
-void Ruler::mousePressEvent(QMouseEvent *e)
-{
-       if (e->buttons() & Qt::LeftButton) {
-               mouse_down_point_ = e->pos();
-               mouse_down_item_ = get_mouse_over_item(e->pos());
-
-               clear_selection();
-
-               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_)
-               show_popup(mouse_down_item_);
-
-       dragging_ = false;
-       mouse_down_item_.reset();
-
-       const vector< shared_ptr<TimeItem> > items(view_.time_items());
-       for (auto &i : items)
-               i->drag_release();
-}
-
-void Ruler::mouseDoubleClickEvent(QMouseEvent *e)
-{
-       view_.add_flag(view_.offset() + ((double)e->x() + 0.5) * view_.scale());
-}
-
-void Ruler::contextMenuEvent(QContextMenuEvent *event)
-{
-       const shared_ptr<ViewItem> r = get_mouse_over_item(mouse_point_);
-       if (!r)
-               return;
-
-       QMenu *menu = r->create_context_menu(this);
-       if (menu)
-               menu->exec(event->globalPos());
-}
-
-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, int text_height)
-{
-       const int x = view_.hover_point().x();
-
-       if (x == -1)
-               return;
-
-       p.setPen(QPen(Qt::NoPen));
-       p.setBrush(QBrush(palette().color(foregroundRole())));
-
-       const int b = RulerHeight * text_height;
-       const float hover_arrow_size = HoverArrowSize * text_height;
-       const QPointF points[] = {
-               QPointF(x, b),
-               QPointF(x - hover_arrow_size, b - hover_arrow_size),
-               QPointF(x + hover_arrow_size, b - hover_arrow_size)
-       };
-       p.drawPolygon(points, countof(points));
-}
-
-int Ruler::calculate_text_height() const
-{
-       return QFontMetrics(font()).ascent();
-}
-
-void Ruler::hover_point_changed()
-{
-       update();
-}
-
-} // namespace view
-} // namespace pv