| 140 | } |
| 141 | |
| 142 | const QwtPlotItem* PlotLegend::processMousePressEvent(QMouseEvent* mouse_event) { |
| 143 | const QRect canvas_rect = parent_plot_->canvas()->rect(); |
| 144 | const QPoint press_point = mouse_event->pos(); |
| 145 | |
| 146 | if (!isVisible() || mouse_event->modifiers() != Qt::NoModifier) { |
| 147 | return nullptr; |
| 148 | } |
| 149 | |
| 150 | if ((hideButtonRect() + QMargins(2, 2, 2, 2)).contains(press_point)) { |
| 151 | collapsed_ = !collapsed_; |
| 152 | parent_plot_->replot(); |
| 153 | return nullptr; |
| 154 | } |
| 155 | |
| 156 | return itemAt(press_point); |
| 157 | } |
| 158 | |
| 159 | } // namespace PJ |