[plugins/mousepad] Port away from KWayland

Use QtWaylandScanner to implement the protocol directly

.kde-ci.yml

@@ -27,3 +27,4 @@ Dependencies:
     'frameworks/kwayland': '@stable'
     'frameworks/kpackage': '@stable'
     'libraries/pulseaudio-qt/': '@stable'
+    'libraries/plasma-wayland-protocols': '@stable'

CMakeLists.txt

@@ -75,6 +75,10 @@ else()
     if(UNIX AND NOT APPLE)
         find_package(KF5Package REQUIRED)
         find_package(KF5PulseAudioQt)
+        find_package(QtWaylandScanner REQUIRED)
+        find_package(Wayland 1.9 REQUIRED Client)
+        find_package(Qt5 REQUIRED COMPONENTS WaylandClient)
+        find_package(PlasmaWaylandProtocols REQUIRED)
     endif()
 
     find_package(KF5PeopleVCard)

plugins/mousepad/CMakeLists.txt

@@ -1,7 +1,6 @@
 kdeconnect_add_plugin(kdeconnect_mousepad SOURCES mousepadplugin.cpp abstractremoteinput.cpp)
 
 if(UNIX AND NOT APPLE)
-    find_package(KF5 ${KF5_MIN_VERSION} QUIET OPTIONAL_COMPONENTS Wayland)
 
     find_package(LibFakeKey QUIET)
     set_package_properties(LibFakeKey PROPERTIES DESCRIPTION "fake key events"
@@ -9,6 +8,17 @@ if(UNIX AND NOT APPLE)
                         TYPE OPTIONAL
                         PURPOSE "Needed for the remote mousepad plugin"
                         )
+
+    ecm_add_qtwayland_client_protocol(wayland_SRCS
+        PROTOCOL ${PLASMA_WAYLAND_PROTOCOLS_DIR}/fake-input.xml
+        BASENAME fake-input
+    )
+
+    target_sources(kdeconnect_mousepad PRIVATE ${wayland_SRCS})
+    target_link_libraries(kdeconnect_mousepad Wayland::Client Qt5::WaylandClient)
+    target_sources(kdeconnect_mousepad PUBLIC waylandremoteinput.cpp)
+    set(HAVE_WAYLAND TRUE)
+
     if (LibFakeKey_FOUND)
         find_package(Qt5 ${QT_MIN_VERSION} REQUIRED COMPONENTS X11Extras)
         find_package(XTest REQUIRED)
@@ -19,7 +29,6 @@ endif()
 
 set(HAVE_WINDOWS ${WIN32})
 set(HAVE_X11 ${LibFakeKey_FOUND})
-set(HAVE_WAYLAND ${KF5Wayland_FOUND})
 set(HAVE_MACOS ${APPLE})
 configure_file(config-mousepad.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-mousepad.h )
 
@@ -29,11 +38,6 @@ if (HAVE_WINDOWS)
     target_sources(kdeconnect_mousepad PUBLIC windowsremoteinput.cpp)
 endif()
 
-if(HAVE_WAYLAND)
-    target_sources(kdeconnect_mousepad PUBLIC waylandremoteinput.cpp)
-    target_link_libraries(kdeconnect_mousepad KF5::WaylandClient)
-endif()
-
 if(HAVE_X11)
     target_sources(kdeconnect_mousepad PUBLIC x11remoteinput.cpp)
     target_link_libraries(kdeconnect_mousepad Qt5::X11Extras ${X11_LIBRARIES} ${XTEST_LIBRARIES} ${LibFakeKey_LIBRARIES})

plugins/mousepad/waylandremoteinput.cpp

@@ -10,40 +10,42 @@
 #include <QDebug>
 
 #include <KLocalizedString>
-#include <KWayland/Client/connection_thread.h>
-#include <KWayland/Client/fakeinput.h>
-#include <KWayland/Client/registry.h>
+
+#include <QtWaylandClient/qwaylandclientextension.h>
+#include "qwayland-fake-input.h"
+
+#include <linux/input.h>
+
+class FakeInput : public QWaylandClientExtensionTemplate<FakeInput>, public QtWayland::org_kde_kwin_fake_input
+{
+public:
+    FakeInput()
+        : QWaylandClientExtensionTemplate<FakeInput>(4)
+    {
+    }
+};
+
 
 WaylandRemoteInput::WaylandRemoteInput(QObject* parent)
     : AbstractRemoteInput(parent)
-    , m_waylandInput(nullptr)
     , m_waylandAuthenticationRequested(false)
 {
-    using namespace KWayland::Client;
-    ConnectionThread* connection = ConnectionThread::fromApplication(this);
-    if (!connection) {
-        qDebug() << "failed to get the Connection from Qt, Wayland remote input will not work";
-        return;
+    m_fakeInput = new FakeInput;
 }
-    Registry* registry = new Registry(this);
-    registry->create(connection);
-    connect(registry, &Registry::fakeInputAnnounced, this,
-        [this, registry] (quint32 name, quint32 version) {
-            m_waylandInput = registry->createFakeInput(name, version, this);
-        }
-    );
-    connect(registry, &Registry::fakeInputRemoved, m_waylandInput, &QObject::deleteLater);
-    registry->setup();
+
+WaylandRemoteInput::~WaylandRemoteInput()
+{
+    delete m_fakeInput;
 }
 
 bool WaylandRemoteInput::handlePacket(const NetworkPacket& np)
 {
-    if (!m_waylandInput) {
-        return false;
+    if (!m_fakeInput->isActive()) {
+        return true;
     }
 
     if (!m_waylandAuthenticationRequested) {
-        m_waylandInput->authenticate(i18n("KDE Connect"), i18n("Use your phone as a touchpad and keyboard"));
+        m_fakeInput->authenticate(i18n("KDE Connect"), i18n("Use your phone as a touchpad and keyboard"));
         m_waylandAuthenticationRequested = true;
     }
 
@@ -63,28 +65,36 @@ bool WaylandRemoteInput::handlePacket(const NetworkPacket& np)
     if (isSingleClick || isDoubleClick || isMiddleClick || isRightClick || isSingleHold || isSingleRelease || isScroll || !key.isEmpty() || specialKey) {
 
         if (isSingleClick) {
-            m_waylandInput->requestPointerButtonClick(Qt::LeftButton);
+            m_fakeInput->button(BTN_LEFT, WL_POINTER_BUTTON_STATE_PRESSED);
+            m_fakeInput->button(BTN_LEFT, WL_POINTER_BUTTON_STATE_RELEASED);
+
         } else if (isDoubleClick) {
-            m_waylandInput->requestPointerButtonClick(Qt::LeftButton);
-            m_waylandInput->requestPointerButtonClick(Qt::LeftButton);
+            m_fakeInput->button(BTN_LEFT, WL_POINTER_BUTTON_STATE_PRESSED);
+            m_fakeInput->button(BTN_LEFT, WL_POINTER_BUTTON_STATE_RELEASED);
+
+            m_fakeInput->button(BTN_LEFT, WL_POINTER_BUTTON_STATE_PRESSED);
+            m_fakeInput->button(BTN_LEFT, WL_POINTER_BUTTON_STATE_RELEASED);
         } else if (isMiddleClick) {
-            m_waylandInput->requestPointerButtonClick(Qt::MiddleButton);
+            m_fakeInput->button(BTN_MIDDLE, WL_POINTER_BUTTON_STATE_PRESSED);
+            m_fakeInput->button(BTN_MIDDLE, WL_POINTER_BUTTON_STATE_RELEASED);
         } else if (isRightClick) {
-            m_waylandInput->requestPointerButtonClick(Qt::RightButton);
+            m_fakeInput->button(BTN_RIGHT, WL_POINTER_BUTTON_STATE_PRESSED);
+            m_fakeInput->button(BTN_RIGHT, WL_POINTER_BUTTON_STATE_RELEASED);
         } else if (isSingleHold){
             //For drag'n drop
-            m_waylandInput->requestPointerButtonPress(Qt::LeftButton);
+            m_fakeInput->button(BTN_LEFT, WL_POINTER_BUTTON_STATE_PRESSED);
         } else if (isSingleRelease){
             //For drag'n drop. NEVER USED (release is done by tapping, which actually triggers a isSingleClick). Kept here for future-proofness.
-            m_waylandInput->requestPointerButtonRelease(Qt::LeftButton);
+            m_fakeInput->button(BTN_LEFT, WL_POINTER_BUTTON_STATE_RELEASED);
         } else if (isScroll) {
-            m_waylandInput->requestPointerAxis(Qt::Vertical, -dy);
+            m_fakeInput->axis(WL_POINTER_AXIS_VERTICAL_SCROLL, wl_fixed_from_double(-dy));
+
         } else if (!key.isEmpty() || specialKey) {
             // TODO: implement key support
         }
 
     } else { //Is a mouse move event
-        m_waylandInput->requestPointerMove(QSizeF(dx, dy));
+        m_fakeInput->pointer_motion(wl_fixed_from_double(dx), wl_fixed_from_double(dy));
     }
     return true;
 }

plugins/mousepad/waylandremoteinput.h

@@ -7,16 +7,9 @@
 #ifndef WAYLANDREMOTEINPUT_H
 #define WAYLANDREMOTEINPUT_H
 
-#include <QPointer>
 #include "abstractremoteinput.h"
 
-namespace KWayland
-{
-    namespace Client
-    {
 class FakeInput;
-    }
-}
 
 class WaylandRemoteInput
     : public AbstractRemoteInput
@@ -25,13 +18,14 @@ class WaylandRemoteInput
 
 public:
     explicit WaylandRemoteInput(QObject* parent);
+    ~WaylandRemoteInput();
 
     bool handlePacket(const NetworkPacket& np) override;
 
 private:
     void setupWaylandIntegration();
 
-    QPointer<KWayland::Client::FakeInput> m_waylandInput;
+    FakeInput *m_fakeInput;
     bool m_waylandAuthenticationRequested;
 };