| @@ -200,7 +200,23 void QChartView::mouseReleaseEvent(QMouseEvent *event) | |||
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200 | 200 | } |
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201 | 201 | |
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202 | 202 | if (event->button() == Qt::RightButton) { |
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203 | d_ptr->m_chart->zoomOut(); | |
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203 | // If vertical or horizontal rubberband mode, restrict zoom out to specified axis. | |
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204 | // Since there is no suitable API for that, use zoomIn with rect bigger than the | |
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205 | // plot area. | |
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206 | if (d_ptr->m_rubberBandFlags == VerticalRubberBand | |
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207 | || d_ptr->m_rubberBandFlags == HorizonalRubberBand) { | |
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208 | QRectF rect = d_ptr->m_chart->plotArea(); | |
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209 | if (d_ptr->m_rubberBandFlags == VerticalRubberBand) { | |
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210 | qreal adjustment = rect.height() / 2; | |
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211 | rect.adjust(0, -adjustment, 0, adjustment); | |
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212 | } else if (d_ptr->m_rubberBandFlags == HorizonalRubberBand) { | |
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213 | qreal adjustment = rect.width() / 2; | |
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214 | rect.adjust(-adjustment, 0, adjustment, 0); | |
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215 | } | |
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216 | d_ptr->m_chart->zoomIn(rect); | |
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217 | } else { | |
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218 | d_ptr->m_chart->zoomOut(); | |
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219 | } | |
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204 | 220 | event->accept(); |
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205 | 221 | } |
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206 | 222 | } else { |
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