X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fruler.cpp;h=712244a9df8cc9a4399d80217ac413467abd0f5d;hb=HEAD;hp=d08cfc43f3a1352c340f2a90b25cfbee3092da4b;hpb=49028d6c2d8aaf61b528e2dfb7ad3fe1ccb7169e;p=pulseview.git diff --git a/pv/view/ruler.cpp b/pv/view/ruler.cpp deleted file mode 100644 index d08cfc43..00000000 --- a/pv/view/ruler.cpp +++ /dev/null @@ -1,274 +0,0 @@ -/* - * This file is part of the PulseView project. - * - * Copyright (C) 2012 Joel Holdsworth - * - * 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 - -#include -#include -#include - -#include "ruler.hpp" -#include "view.hpp" - -#include -#include - -using namespace Qt; - -using std::shared_ptr; -using std::vector; - -namespace pv { -namespace view { - -const int Ruler::RulerHeight = 30; -const int Ruler::MinorTickSubdivision = 4; - -const int Ruler::HoverArrowSize = 5; - -const int Ruler::Padding = 20; -const int Ruler::BaselineOffset = 5; - -Ruler::Ruler(View &parent) : - MarginWidget(parent), - text_height_(calculate_text_height()) -{ - setMouseTracking(true); - - connect(&view_, SIGNAL(hover_point_changed()), - this, SLOT(hover_point_changed())); -} - -void Ruler::clear_selection() -{ - const vector< shared_ptr > 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; - - 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 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; - - 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, tick_y2)); - } - else - { - // Draw a minor tick - p.drawLine(QPointF(x, minor_tick_y1), - QPointF(x, tick_y2)); - } - - division++; - - } while (x < width()); - - // 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 > 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 int delta = e->pos().x() - mouse_down_point_.x(); - const vector< shared_ptr > 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 > 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 > 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 > items(view_.time_items()); - for (auto &i : items) - if (i->selected()) - i->delete_pressed(); - } -} - -void Ruler::draw_hover_mark(QPainter &p) -{ - 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; - const QPointF points[] = { - QPointF(x, b), - QPointF(x - HoverArrowSize, b - HoverArrowSize), - 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(); -} - -} // namespace view -} // namespace pv