init

2025-12-18 16:41:37 +08:00
commit 1940ef7547
18 changed files with 1771 additions and 0 deletions
--- a/xcbutils.h
+++ b/xcbutils.h
@@ -0,0 +1,122 @@
+/*
+    SPDX-FileCopyrightText: 2012, 2013 Martin Graesslin <mgraesslin@kde.org>
+    SPDX-FileCopyrightText: 2015 David Edmudson <davidedmundson@kde.org>
+
+    SPDX-License-Identifier: GPL-2.0-or-later
+*/
+
+#pragma once
+
+#include <xcb/composite.h>
+#include <xcb/damage.h>
+#include <xcb/randr.h>
+#include <xcb/shm.h>
+#include <xcb/xcb.h>
+#include <xcb/xcb_atom.h>
+#include <xcb/xcb_event.h>
+
+#include <QGuiApplication>
+#include <QList>
+
+#include "../c_ptr.h"
+#include <X11/Xlib.h>
+
+/** XEMBED messages */
+#define XEMBED_EMBEDDED_NOTIFY 0
+#define XEMBED_WINDOW_ACTIVATE 1
+#define XEMBED_WINDOW_DEACTIVATE 2
+#define XEMBED_REQUEST_FOCUS 3
+#define XEMBED_FOCUS_IN 4
+#define XEMBED_FOCUS_OUT 5
+#define XEMBED_FOCUS_NEXT 6
+#define XEMBED_FOCUS_PREV 7
+
+namespace Xcb
+{
+typedef xcb_window_t WindowId;
+
+class Atom
+{
+public:
+    explicit Atom(const QByteArray &name,
+                  bool onlyIfExists = false,
+                  xcb_connection_t *c = qGuiApp->nativeInterface<QNativeInterface::QX11Application>()->connection())
+        : m_connection(c)
+        , m_retrieved(false)
+        , m_cookie(xcb_intern_atom_unchecked(m_connection, onlyIfExists, name.length(), name.constData()))
+        , m_atom(XCB_ATOM_NONE)
+        , m_name(name)
+    {
+    }
+    Atom() = delete;
+    Atom(const Atom &) = delete;
+
+    ~Atom()
+    {
+        if (!m_retrieved && m_cookie.sequence) {
+            xcb_discard_reply(m_connection, m_cookie.sequence);
+        }
+    }
+
+    operator xcb_atom_t() const
+    {
+        (const_cast<Atom *>(this))->getReply();
+        return m_atom;
+    }
+    bool isValid()
+    {
+        getReply();
+        return m_atom != XCB_ATOM_NONE;
+    }
+    bool isValid() const
+    {
+        (const_cast<Atom *>(this))->getReply();
+        return m_atom != XCB_ATOM_NONE;
+    }
+
+    inline const QByteArray &name() const
+    {
+        return m_name;
+    }
+
+private:
+    void getReply()
+    {
+        if (m_retrieved || !m_cookie.sequence) {
+            return;
+        }
+        UniqueCPointer<xcb_intern_atom_reply_t> reply(xcb_intern_atom_reply(m_connection, m_cookie, nullptr));
+        if (reply) {
+            m_atom = reply->atom;
+        }
+        m_retrieved = true;
+    }
+    xcb_connection_t *m_connection;
+    bool m_retrieved;
+    xcb_intern_atom_cookie_t m_cookie;
+    xcb_atom_t m_atom;
+    QByteArray m_name;
+};
+
+class Atoms
+{
+public:
+    Atoms()
+        : xembedAtom("_XEMBED")
+        , selectionAtom(xcb_atom_name_by_screen("_NET_SYSTEM_TRAY", DefaultScreen(qGuiApp->nativeInterface<QNativeInterface::QX11Application>()->display())))
+        , opcodeAtom("_NET_SYSTEM_TRAY_OPCODE")
+        , messageData("_NET_SYSTEM_TRAY_MESSAGE_DATA")
+        , visualAtom("_NET_SYSTEM_TRAY_VISUAL")
+    {
+    }
+
+    Atom xembedAtom;
+    Atom selectionAtom;
+    Atom opcodeAtom;
+    Atom messageData;
+    Atom visualAtom;
+};
+
+extern Atoms *atoms;
+
+} // namespace Xcb