pv/view/viewitem.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "viewitem.hpp"
  21
  22 #include <climits>
  23
  24 #include <QApplication>
  25 #include <QMenu>
  26 #include <QPalette>
  27
  28 namespace pv {
  29 namespace views {
  30 namespace TraceView {
  31
  32 const QSizeF ViewItem::LabelPadding(4, 0);
  33 const int ViewItem::HighlightRadius = 3;
  34
  35 ViewItem::ViewItem() :
  36         context_parent_(nullptr),
  37         drag_point_(INT_MIN, INT_MIN),
  38         selected_(false)
  39 {
  40 }
  41
  42 bool ViewItem::selected() const
  43 {
  44         return selected_;
  45 }
  46
  47 void ViewItem::select(bool select)
  48 {
  49         selected_ = select;
  50 }
  51
  52 bool ViewItem::is_draggable() const
  53 {
  54         return true;
  55 }
  56
  57 bool ViewItem::dragging() const
  58 {
  59         return drag_point_.x() != INT_MIN && drag_point_.y() != INT_MIN;
  60 }
  61
  62 void ViewItem::drag()
  63 {
  64         if (is_draggable())
  65                 drag_point_ = point(QRect());
  66 }
  67
  68 void ViewItem::drag_release()
  69 {
  70         drag_point_ = QPoint(INT_MIN, INT_MIN);
  71 }
  72
  73 QRectF ViewItem::label_rect(const QRectF &rect) const
  74 {
  75         (void)rect;
  76         return QRectF();
  77 }
  78
  79 QRectF ViewItem::hit_box_rect(const ViewItemPaintParams &pp) const
  80 {
  81         (void)pp;
  82         return QRectF();
  83 }
  84
  85 QMenu* ViewItem::create_context_menu(QWidget *parent)
  86 {
  87         context_parent_ = parent;
  88         return new QMenu(parent);
  89 }
  90
  91 widgets::Popup* ViewItem::create_popup(QWidget *parent)
  92 {
  93         (void)parent;
  94         return nullptr;
  95 }
  96
  97 void ViewItem::delete_pressed()
  98 {
  99 }
 100
 101 QPen ViewItem::highlight_pen()
 102 {
 103         return QPen(QApplication::palette().brush(
 104                 QPalette::Highlight), HighlightRadius * 2,
 105                 Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
 106 }
 107
 108 void ViewItem::paint_label(QPainter &p, const QRect &rect, bool hover)
 109 {
 110         (void)p;
 111         (void)rect;
 112         (void)hover;
 113 }
 114
 115 void ViewItem::paint_back(QPainter &p, const ViewItemPaintParams &pp)
 116 {
 117         (void)p;
 118         (void)pp;
 119 }
 120
 121 void ViewItem::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
 122 {
 123         (void)p;
 124         (void)pp;
 125 }
 126
 127 void ViewItem::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
 128 {
 129         (void)p;
 130         (void)pp;
 131 }
 132
 133 QColor ViewItem::select_text_colour(QColor background)
 134 {
 135         return (background.lightness() > 110) ? Qt::black : Qt::white;
 136 }
 137
 138 } // namespace TraceView
 139 } // namespace views
 140 } // namespace pv