File indexing completed on 2024-09-08 13:20:32

 /*
  *   SPDX-FileCopyrightText: 2021 Aleix Pol Gonzalez <aleixpol@blue-systems.com>
  *   SPDX-FileCopyrightText: 2018 Drew DeVault <sir@cmpwn.com>
  *
  *   SPDX-License-Identifier: LGPL-3.0-or-later
  */
 
 #include "interfaces/shell.h"
 #include "layershellqt_logging.h"
 #include "qwaylandlayershell_p.h"
 #include "qwaylandlayersurface_p.h"
 
 #include <QtWaylandClient/private/qwaylandscreen_p.h>
 #include <QtWaylandClient/private/qwaylandsurface_p.h>
 #include <QtWaylandClient/private/qwaylandwindow_p.h>
 
 namespace LayerShellQt
 {
 QWaylandLayerSurface::QWaylandLayerSurface(QWaylandLayerShell *shell, QtWaylandClient::QWaylandWindow *window)
     : QtWaylandClient::QWaylandShellSurface(window)
     , QtWayland::zwlr_layer_surface_v1()
 {
     LayerShellQt::Window *interface = Window::get(window->window());
     Q_ASSERT(interface);
 
     wl_output *output = nullptr;
     QScreen *screen = interface->desiredOutput();
     if (screen) {
         auto waylandScreen = dynamic_cast<QtWaylandClient::QWaylandScreen *>(screen->handle());
         // Qt will always assign a screen to a window, but if the compositor has no screens available a dummy QScreen object is created
         // this will not cast to a QWaylandScreen
         if (!waylandScreen) {
             qCWarning(LAYERSHELLQT) << "Creating a layer shell for placeholder screen. This will be positioned incorrectly";
         } else {
             output = waylandScreen->output();
         }
     }
     init(shell->get_layer_surface(window->waylandSurface()->object(), output, interface->layer(), interface->scope()));
     connect(interface, &Window::layerChanged, this, [this, interface]() {
         setLayer(interface->layer());
     });
 
     set_anchor(interface->anchors());
     connect(interface, &Window::anchorsChanged, this, [this, interface]() {
         set_anchor(interface->anchors());
     });
     setExclusiveZone(interface->exclusionZone());
     connect(interface, &Window::exclusionZoneChanged, this, [this, interface]() {
         setExclusiveZone(interface->exclusionZone());
     });
 
     setMargins(interface->margins());
     connect(interface, &Window::marginsChanged, this, [this, interface]() {
         setMargins(interface->margins());
     });
 
     setKeyboardInteractivity(interface->keyboardInteractivity());
     connect(interface, &Window::keyboardInteractivityChanged, this, [this, interface]() {
         setKeyboardInteractivity(interface->keyboardInteractivity());
     });
 
     QSize size = window->surfaceSize();
     const Window::Anchors anchors = interface->anchors();
     if ((anchors & Window::AnchorLeft) && (anchors & Window::AnchorRight)) {
         size.setWidth(0);
     }
     if ((anchors & Window::AnchorTop) && (anchors & Window::AnchorBottom)) {
         size.setHeight(0);
     }
     if (size.isValid() && size != QSize(0, 0)) {
         set_size(size.width(), size.height());
     }
 }
 
 QWaylandLayerSurface::~QWaylandLayerSurface()
 {
     destroy();
 }
 
 void QWaylandLayerSurface::zwlr_layer_surface_v1_closed()
 {
     window()->window()->close();
 }
 
 void QWaylandLayerSurface::zwlr_layer_surface_v1_configure(uint32_t serial, uint32_t width, uint32_t height)
 {
     ack_configure(serial);
     m_pendingSize = QSize(width, height);
 
     if (!m_configured) {
         m_configured = true;
         window()->resizeFromApplyConfigure(m_pendingSize);
         window()->handleExpose(QRect(QPoint(), m_pendingSize));
     } else {
         // Later configures are resizes, so we have to queue them up for a time when we
         // are not painting to the window.
         window()->applyConfigureWhenPossible();
     }
 }
 
 void QWaylandLayerSurface::applyConfigure()
 {
     window()->resizeFromApplyConfigure(m_pendingSize);
 }
 
 void QWaylandLayerSurface::setAnchor(uint anchor)
 {
     set_anchor(anchor);
 }
 
 void QWaylandLayerSurface::setExclusiveZone(int32_t zone)
 {
     set_exclusive_zone(zone);
 }
 
 void QWaylandLayerSurface::setMargins(const QMargins &margins)
 {
     set_margin(margins.top(), margins.right(), margins.bottom(), margins.left());
 }
 
 void QWaylandLayerSurface::setKeyboardInteractivity(uint32_t interactivity)
 {
     set_keyboard_interactivity(interactivity);
 }
 
 void QWaylandLayerSurface::setLayer(uint32_t layer)
 {
     if (zwlr_layer_surface_v1_get_version(object()) >= ZWLR_LAYER_SURFACE_V1_SET_LAYER_SINCE_VERSION)
         set_layer(layer);
 }
 
 }