mirror of
https://invent.kde.org/plasma/layer-shell-qt.git
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4a439143ba
When a compositor has no outputs listed Qt creates a dummy placeholder QScreen object that does not represent a wl_output. This should still be fixed in the clients to not create a view, it's wasteful and probably will still have plenty of other bugs, hence the giant warning, but it's still worth guarding. CCBUG: 439096
112 lines
3.4 KiB
C++
112 lines
3.4 KiB
C++
/*
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* SPDX-FileCopyrightText: 2021 Aleix Pol Gonzalez <aleixpol@blue-systems.com>
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* SPDX-FileCopyrightText: 2018 Drew DeVault <sir@cmpwn.com>
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*
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* SPDX-License-Identifier: LGPL-3.0-or-later
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*/
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#include "interfaces/shell.h"
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#include "qwaylandlayershell_p.h"
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#include "qwaylandlayersurface_p.h"
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#include "layershellqt_logging.h"
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#include <QtWaylandClient/private/qwaylandscreen_p.h>
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#include <QtWaylandClient/private/qwaylandsurface_p.h>
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#include <QtWaylandClient/private/qwaylandwindow_p.h>
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namespace LayerShellQt
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{
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QWaylandLayerSurface::QWaylandLayerSurface(QWaylandLayerShell *shell, QtWaylandClient::QWaylandWindow *window)
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: QtWaylandClient::QWaylandShellSurface(window)
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, QtWayland::zwlr_layer_surface_v1()
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{
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LayerShellQt::Window *interface = Window::get(window->window());
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Q_ASSERT(interface);
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// Qt will always assign a screen to a window, but if the compositor has no screens available a dummy QScreen object is created
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// this will not cast to a QWaylandScreen
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QtWaylandClient::QWaylandScreen *screen = window->waylandScreen();
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if (screen->isPlaceholder()) {
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qCWarning(LAYERSHELLQT) << "Creating a layer shell for placeholder screen. This will be positioned incorrectly";
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}
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init(shell->get_layer_surface(window->waylandSurface()->object(), screen->isPlaceholder() ? nullptr : screen->output(), interface->layer(), interface->scope()));
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Window::Anchors anchors = interface->anchors();
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set_anchor(interface->anchors());
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setMargins(interface->margins());
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setKeyboardInteractivity(interface->keyboardInteractivity());
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setExclusiveZone(interface->exclusionZone());
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QSize size = window->surfaceSize();
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if ((anchors & Window::AnchorLeft) && (anchors & Window::AnchorRight)) {
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size.setWidth(0);
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}
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if ((anchors & Window::AnchorTop) && (anchors & Window::AnchorBottom)) {
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size.setHeight(0);
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}
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if (size.isValid() && size != QSize(0, 0)) {
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set_size(size.width(), size.height());
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}
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}
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QWaylandLayerSurface::~QWaylandLayerSurface()
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{
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destroy();
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}
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void QWaylandLayerSurface::zwlr_layer_surface_v1_closed()
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{
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window()->window()->close();
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}
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void QWaylandLayerSurface::zwlr_layer_surface_v1_configure(uint32_t serial, uint32_t width, uint32_t height)
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{
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ack_configure(serial);
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m_pendingSize = QSize(width, height);
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if (!m_configured) {
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m_configured = true;
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window()->resizeFromApplyConfigure(m_pendingSize);
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window()->handleExpose(QRect(QPoint(), m_pendingSize));
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} else {
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// Later configures are resizes, so we have to queue them up for a time when we
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// are not painting to the window.
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window()->applyConfigureWhenPossible();
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}
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}
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void QWaylandLayerSurface::applyConfigure()
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{
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window()->resizeFromApplyConfigure(m_pendingSize);
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}
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void QWaylandLayerSurface::setAnchor(uint anchor)
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{
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set_anchor(anchor);
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}
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void QWaylandLayerSurface::setExclusiveZone(int32_t zone)
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{
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set_exclusive_zone(zone);
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}
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void QWaylandLayerSurface::setMargins(const QMargins &margins)
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{
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set_margin(margins.top(), margins.right(), margins.bottom(), margins.left());
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}
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void QWaylandLayerSurface::setKeyboardInteractivity(uint32_t interactivity)
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{
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set_keyboard_interactivity(interactivity);
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}
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void QWaylandLayerSurface::setLayer(uint32_t layer)
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{
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if (zwlr_layer_surface_v1_get_version(object()) >= ZWLR_LAYER_SURFACE_V1_SET_LAYER_SINCE_VERSION)
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set_layer(layer);
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}
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}
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