From 5f924134ff48bc89defe4d6c2ccabeaea6b4450d Mon Sep 17 00:00:00 2001 From: BogDan Vatra Date: Fri, 15 Dec 2017 11:08:16 +0200 Subject: [PATCH] Check selection handles position This patch fixes the strange behavior when selecting text. This patch (on a Left To Right text) makes sure that: - the left handle will select text only on the left & above of the right handle - the right handle will select text only on the right & below of the left handle For RTL is way more complicated: - the left handle is acuatually the right handle but on the left side and it acts as a right handle - the right handle is acuatually the left handle but on the right side and it acts as a left handle Change-Id: Ifca591398103199d5aef479f0a080161c9f44c0e Reviewed-by: Paul Olav Tvete --- .../android/qandroidinputcontext.cpp | 48 ++++++++++++++++--- 1 file changed, 42 insertions(+), 6 deletions(-) diff --git a/src/plugins/platforms/android/qandroidinputcontext.cpp b/src/plugins/platforms/android/qandroidinputcontext.cpp index fb33ad6e21..f548a1fa96 100644 --- a/src/plugins/platforms/android/qandroidinputcontext.cpp +++ b/src/plugins/platforms/android/qandroidinputcontext.cpp @@ -605,27 +605,63 @@ void QAndroidInputContext::handleLocationChanged(int handleId, int x, int y) double pixelDensity = window ? QHighDpiScaling::factor(window) : QHighDpiScaling::factor(QtAndroid::androidPlatformIntegration()->screen()); - QPoint point(x / pixelDensity, y / pixelDensity); - y -= leftRect.width() / 2; + QPointF point(x / pixelDensity, y / pixelDensity); + point.setY(point.y() - leftRect.width() / 2); if (handleId == 1) { setSelectionOnFocusObject(point, point); return; } - QInputMethodQueryEvent query(Qt::ImCursorPosition | Qt::ImAnchorPosition); + QInputMethodQueryEvent query(Qt::ImCursorPosition | Qt::ImAnchorPosition | Qt::ImCurrentSelection); QCoreApplication::sendEvent(m_focusObject, &query); int cpos = query.value(Qt::ImCursorPosition).toInt(); int anchor = query.value(Qt::ImAnchorPosition).toInt(); - + bool rtl = query.value(Qt::ImCurrentSelection).toString().isRightToLeft(); auto rightRect = im->anchorRectangle(); if (cpos > anchor) std::swap(leftRect, rightRect); + auto checkLeftHandle = [&rightRect](QPointF &handlePos) { + if (handlePos.y() > rightRect.center().y()) + handlePos.setY(rightRect.center().y()); // adjust Y handle pos + if (handlePos.y() >= rightRect.y() && handlePos.y() <= rightRect.bottom() && handlePos.x() >= rightRect.x()) + return false; // same line and wrong X pos ? + return true; + }; + + auto checkRtlRightHandle = [&rightRect](QPointF &handlePos) { + if (handlePos.y() > rightRect.center().y()) + handlePos.setY(rightRect.center().y()); // adjust Y handle pos + if (handlePos.y() >= rightRect.y() && handlePos.y() <= rightRect.bottom() && rightRect.x() >= handlePos.x()) + return false; // same line and wrong X pos ? + return true; + }; + + auto checkRightHandle = [&leftRect](QPointF &handlePos) { + if (handlePos.y() < leftRect.center().y()) + handlePos.setY(leftRect.center().y()); // adjust Y handle pos + if (handlePos.y() >= leftRect.y() && handlePos.y() <= leftRect.bottom() && leftRect.x() >= handlePos.x()) + return false; // same line and wrong X pos ? + return true; + }; + + auto checkRtlLeftHandle = [&leftRect](QPointF &handlePos) { + if (handlePos.y() < leftRect.center().y()) + handlePos.setY(leftRect.center().y()); // adjust Y handle pos + if (handlePos.y() >= leftRect.y() && handlePos.y() <= leftRect.bottom() && handlePos.x() >= leftRect.x()) + return false; // same line and wrong X pos ? + return true; + }; + if (handleId == 2) { - QPoint rightPoint(rightRect.center().toPoint()); + QPointF rightPoint(rightRect.center()); + if ((!rtl && !checkLeftHandle(point)) || (rtl && !checkRtlRightHandle(point))) + return; setSelectionOnFocusObject(point, rightPoint); } else if (handleId == 3) { - QPoint leftPoint(leftRect.center().toPoint()); + QPointF leftPoint(leftRect.center()); + if ((!rtl && !checkRightHandle(point)) || (rtl && !checkRtlLeftHandle(point))) + return; setSelectionOnFocusObject(leftPoint, point); } }