Qt 虚拟键盘qtvirtualkeyboard遮挡QLineEdit问题

1.通过修改虚拟键盘源码

qtvirtualkeyboard-everywhere-src-5.14.2\src\virtualkeyboard\desktopinputselectioncontrol.cpp:159

 1 void DesktopInputSelectionControl::updateVisibility()
 2 {
 3     static int originalY = 0;
 4     if (!m_enabled) {
 5         // if VKB is hidden, we must hide the selection handles immediately,
 6         // because it might mean that the application is shutting down.
 7         m_anchorSelectionHandle->hide();
 8         m_cursorSelectionHandle->hide();
 9         m_anchorHandleVisible = false;
10         m_cursorHandleVisible = false;
11 
12         if(originalY != 0)
13         {
14             if (QWindow *focusWindow = QGuiApplication::focusWindow()) {
15                 focusWindow->setY(originalY);
16             }
17             originalY = 0;
18         }
19 
20         return;
21     }
22     const bool wasAnchorVisible = m_anchorHandleVisible;
23     const bool wasCursorVisible = m_cursorHandleVisible;
24     const bool makeVisible = (m_inputContext->isSelectionControlVisible() || m_handleState == HandleIsMoving) && m_enabled;
25 
26     m_anchorHandleVisible = makeVisible;
27     if (QWindow *focusWindow = QGuiApplication::focusWindow()) {
28         QRectF globalAnchorRectangle = m_inputContext->anchorRectangle();
29         QPoint tl = focusWindow->mapToGlobal(globalAnchorRectangle.toRect().topLeft());
30         globalAnchorRectangle.moveTopLeft(tl);
31         m_anchorHandleVisible = m_anchorHandleVisible
32                 && m_inputContext->anchorRectIntersectsClipRect()
33                 && !(m_inputContext->priv()->keyboardRectangle().intersects(globalAnchorRectangle));
34 
35         QRectF keyboardRec = m_inputContext->priv()->keyboardRectangle();
36         if(keyboardRec.intersects(globalAnchorRectangle))
37         {
38             int moveY = globalAnchorRectangle.bottomLeft().y() - keyboardRec.y();
39             originalY = focusWindow->y();
40             int newY = originalY - moveY - 10;
41             focusWindow->setY(newY);
42         }
43     }
44 
45     if (wasAnchorVisible != m_anchorHandleVisible) {
46         const qreal end = m_anchorHandleVisible ? 1 : 0;
47         if (m_anchorHandleVisible)
48             m_anchorSelectionHandle->show();
49         QPropertyAnimation *anim = new QPropertyAnimation(m_anchorSelectionHandle.data(), "opacity");
50         anim->setEndValue(end);
51         anim->start(QAbstractAnimation::DeleteWhenStopped);
52     }
53 
54     m_cursorHandleVisible = makeVisible;
55     if (QWindow *focusWindow = QGuiApplication::focusWindow()) {
56         QRectF globalCursorRectangle = m_inputContext->cursorRectangle();
57         QPoint tl = focusWindow->mapToGlobal(globalCursorRectangle.toRect().topLeft());
58         globalCursorRectangle.moveTopLeft(tl);
59         m_cursorHandleVisible = m_cursorHandleVisible
60                 && m_inputContext->cursorRectIntersectsClipRect()
61                 && !(m_inputContext->priv()->keyboardRectangle().intersects(globalCursorRectangle));
62 
63     }
64 
65     if (wasCursorVisible != m_cursorHandleVisible) {
66         const qreal end = m_cursorHandleVisible ? 1 : 0;
67         if (m_cursorHandleVisible)
68             m_cursorSelectionHandle->show();
69         QPropertyAnimation *anim = new QPropertyAnimation(m_cursorSelectionHandle.data(), "opacity");
70         anim->setEndValue(end);
71         anim->start(QAbstractAnimation::DeleteWhenStopped);
72     }
73 }