X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fviewport.cpp;fp=pv%2Fview%2Fviewport.cpp;h=0000000000000000000000000000000000000000;hp=70282d290f8efef39ed4859e00234c829a9710ee;hb=1573bf16ba50d1c023ad3a9ce596f0ab6eaeacff;hpb=4c7a19d3d7049bcc9fb3185ce2bc91333a7ca9e1 diff --git a/pv/view/viewport.cpp b/pv/view/viewport.cpp deleted file mode 100644 index 70282d29..00000000 --- a/pv/view/viewport.cpp +++ /dev/null @@ -1,224 +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, see . - */ - -#include -#include -#include -#include - -#include "signal.hpp" -#include "view.hpp" -#include "viewitempaintparams.hpp" -#include "viewport.hpp" - -#include - -#include - -#include - -using std::abs; -using std::back_inserter; -using std::copy; -using std::dynamic_pointer_cast; -using std::none_of; // Used in assert()s. -using std::shared_ptr; -using std::stable_sort; -using std::vector; - -namespace pv { -namespace views { -namespace TraceView { - -Viewport::Viewport(View &parent) : - ViewWidget(parent), - pinch_zoom_active_(false) -{ - setAutoFillBackground(true); - setBackgroundRole(QPalette::Base); -} - -shared_ptr Viewport::get_mouse_over_item(const QPoint &pt) -{ - const ViewItemPaintParams pp(rect(), view_.scale(), view_.offset()); - const vector< shared_ptr > items(this->items()); - for (auto i = items.rbegin(); i != items.rend(); i++) - if ((*i)->enabled() && (*i)->hit_box_rect(pp).contains(pt)) - return *i; - return nullptr; -} - -void Viewport::item_hover(const shared_ptr &item) -{ - if (item && item->is_draggable()) - setCursor(dynamic_pointer_cast(item) ? - Qt::SizeVerCursor : Qt::SizeHorCursor); - else - unsetCursor(); -} - -void Viewport::drag() -{ - drag_offset_ = view_.offset(); - drag_v_offset_ = view_.owner_visual_v_offset(); -} - -void Viewport::drag_by(const QPoint &delta) -{ - if (drag_offset_ == boost::none) - return; - - 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() -{ - drag_offset_ = boost::none; -} - -vector< shared_ptr > Viewport::items() -{ - vector< shared_ptr > items; - const vector< shared_ptr > view_items( - view_.list_by_type()); - copy(view_items.begin(), view_items.end(), back_inserter(items)); - const vector< shared_ptr > time_items(view_.time_items()); - copy(time_items.begin(), time_items.end(), back_inserter(items)); - return items; -} - -bool Viewport::touch_event(QTouchEvent *event) -{ - QList 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()).convert_to(); - pinch_offset1_ = (view_.offset() + view_.scale() * touchPoint1.pos().x()).convert_to(); - pinch_zoom_active_ = true; - } - - double w = touchPoint1.pos().x() - touchPoint0.pos().x(); - if (abs(w) >= 1.0) { - const double scale = - fabs((pinch_offset1_ - pinch_offset0_) / w); - 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 - drag_release(); - } else { - // Update the mouse down fields so that continued - // dragging with the primary touch will work correctly - mouse_down_point_ = touchPoint0.pos().toPoint(); - drag(); - } - } - - return true; -} - -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 > row_items(view_.list_by_type()); - assert(none_of(row_items.begin(), row_items.end(), - [](const shared_ptr &r) { return !r; })); - - stable_sort(row_items.begin(), row_items.end(), - [](const shared_ptr &a, const shared_ptr &b) { - return a->point(QRect()).y() < b->point(QRect()).y(); }); - - const vector< shared_ptr > time_items(view_.time_items()); - assert(none_of(time_items.begin(), time_items.end(), - [](const shared_ptr &t) { return !t; })); - - QPainter p(this); - p.setRenderHint(QPainter::Antialiasing); - - for (LayerPaintFunc *paint_func = layer_paint_funcs; - *paint_func; paint_func++) { - ViewItemPaintParams time_pp(rect(), view_.scale(), view_.offset()); - for (const shared_ptr t : time_items) - (t.get()->*(*paint_func))(p, time_pp); - - ViewItemPaintParams row_pp(rect(), view_.scale(), view_.offset()); - for (const shared_ptr r : row_items) - (r.get()->*(*paint_func))(p, row_pp); - } - - p.end(); -} - -void Viewport::mouseDoubleClickEvent(QMouseEvent *event) -{ - assert(event); - - if (event->buttons() & Qt::LeftButton) - view_.zoom(2.0, event->x()); - else if (event->buttons() & Qt::RightButton) - view_.zoom(-2.0, event->x()); -} - -void Viewport::wheelEvent(QWheelEvent *event) -{ - assert(event); - - 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() - - (event->delta() * height()) / (8 * 120)); - } else { - // Vertical scrolling is interpreted as zooming in/out - view_.zoom(event->delta() / 120.0, event->x()); - } - } else if (event->orientation() == Qt::Horizontal) { - // Horizontal scrolling is interpreted as moving left/right - view_.set_scale_offset(view_.scale(), - event->delta() * view_.scale() + view_.offset()); - } -} - -} // namespace TraceView -} // namespace views -} // namespace pv