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client: Add path to manipulate popup positioning via hidden properties API

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Whilst long-term we want public API, we don't have anything available.

This patch provides a non-official override using properties without us
committing to any API promises moving forward.

Pick-to: 6.6
Change-Id: I46afbe9be7005d35305155643a1d158cf5bd509a
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
This commit is contained in:
David Edmundson 2023-05-31 13:16:34 +01:00
parent 37afa0cbaa
commit 46d98302f5
1 changed files with 90 additions and 9 deletions
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99
src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell/qwaylandxdgshell.cpp
View File

@ -466,16 +466,97 @@ void QWaylandXdgSurface::setPopup(QWaylandWindow *parent)
QRect windowGeometry = m_window->windowContentGeometry();
QMargins windowMargins = m_window->windowContentMargins() - m_window->clientSideMargins();
QMargins parentMargins = parent->windowContentMargins() - parent->clientSideMargins();
QPoint transientPos = m_window->geometry().topLeft(); // this is absolute
transientPos += QPoint(windowMargins.left(), windowMargins.top());
transientPos -= parent->geometry().topLeft();
transientPos -= QPoint(parentMargins.left(), parentMargins.top());
positioner->set_anchor_rect(transientPos.x(), transientPos.y(), 1, 1);
positioner->set_anchor(QtWayland::xdg_positioner::anchor_top_left);
positioner->set_gravity(QtWayland::xdg_positioner::gravity_bottom_right);
// These property overrides may be removed when public API becomes available
QRect placementAnchor = m_window->window()->property("_q_waylandPopupAnchorRect").toRect();
if (!placementAnchor.isValid()) {
placementAnchor = QRect(m_window->geometry().topLeft() - parent->geometry().topLeft(), QSize(1,1));
}
placementAnchor.translate(windowMargins.left(), windowMargins.top());
placementAnchor.translate(-parentMargins.left(), -parentMargins.top());
uint32_t anchor = QtWayland::xdg_positioner::anchor_top_right;
const QVariant anchorVariant = m_window->window()->property("_q_waylandPopupAnchor");
if (anchorVariant.isValid()) {
switch (anchorVariant.value<Qt::Edges>()) {
case Qt::Edges():
anchor = QtWayland::xdg_positioner::anchor_none;
break;
case Qt::TopEdge:
anchor = QtWayland::xdg_positioner::anchor_top;
break;
case Qt::TopEdge | Qt::RightEdge:
anchor = QtWayland::xdg_positioner::anchor_top_right;
break;
case Qt::RightEdge:
anchor = QtWayland::xdg_positioner::anchor_right;
break;
case Qt::BottomEdge | Qt::RightEdge:
anchor = QtWayland::xdg_positioner::anchor_bottom_right;
break;
case Qt::BottomEdge:
anchor = QtWayland::xdg_positioner::anchor_bottom;
break;
case Qt::BottomEdge | Qt::LeftEdge:
anchor = QtWayland::xdg_positioner::anchor_bottom_left;
break;
case Qt::LeftEdge:
anchor = QtWayland::xdg_positioner::anchor_left;
break;
case Qt::TopEdge | Qt::LeftEdge:
anchor = QtWayland::xdg_positioner::anchor_top_left;
break;
}
}
uint32_t gravity = QtWayland::xdg_positioner::gravity_bottom_right;
const QVariant popupGravityVariant = m_window->window()->property("_q_waylandPopupGravity");
if (popupGravityVariant.isValid()) {
switch (popupGravityVariant.value<Qt::Edges>()) {
case Qt::Edges():
gravity = QtWayland::xdg_positioner::gravity_none;
break;
case Qt::TopEdge:
gravity = QtWayland::xdg_positioner::gravity_top;
break;
case Qt::TopEdge | Qt::RightEdge:
gravity = QtWayland::xdg_positioner::gravity_top_right;
break;
case Qt::RightEdge:
gravity = QtWayland::xdg_positioner::gravity_right;
break;
case Qt::BottomEdge | Qt::RightEdge:
gravity = QtWayland::xdg_positioner::gravity_bottom_right;
break;
case Qt::BottomEdge:
gravity = QtWayland::xdg_positioner::gravity_bottom;
break;
case Qt::BottomEdge | Qt::LeftEdge:
gravity = QtWayland::xdg_positioner::gravity_bottom_left;
break;
case Qt::LeftEdge:
gravity = QtWayland::xdg_positioner::gravity_left;
break;
case Qt::TopEdge | Qt::LeftEdge:
gravity = QtWayland::xdg_positioner::gravity_top_left;
break;
}
}
uint32_t constraintAdjustment = QtWayland::xdg_positioner::constraint_adjustment_slide_x | QtWayland::xdg_positioner::constraint_adjustment_slide_y;
const QVariant constraintAdjustmentVariant = m_window->window()->property("_q_waylandPopupConstraintAdjustment");
if (constraintAdjustmentVariant.isValid()) {
constraintAdjustment = constraintAdjustmentVariant.toUInt();
}
positioner->set_anchor_rect(placementAnchor.x(),
placementAnchor.y(),
placementAnchor.width(),
placementAnchor.height());
positioner->set_anchor(anchor);
positioner->set_gravity(gravity);
positioner->set_size(windowGeometry.width(), windowGeometry.height());
positioner->set_constraint_adjustment(QtWayland::xdg_positioner::constraint_adjustment_slide_x
| QtWayland::xdg_positioner::constraint_adjustment_slide_y);
positioner->set_constraint_adjustment(constraintAdjustment);
m_popup = new Popup(this, parent, positioner);
positioner->destroy();