Add the start for a Wine->X11 DnD wrapper

2026-05-07 12:10:09 +02:00 · 2021-07-09 18:47:27 +02:00
parent f1a8ed1668
commit fc61658ada
4 changed files with 111 additions and 1 deletions
@@ -0,0 +1,52 @@
+// yabridge: a Wine VST bridge
+// Copyright (C) 2020-2021 Robbert van der Helm
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "xdnd-proxy.h"
+
+void CALLBACK dnd_winevent_callback(HWINEVENTHOOK hWinEventHook,
+                                    DWORD event,
+                                    HWND hwnd,
+                                    LONG idObject,
+                                    LONG idChild,
+                                    DWORD idEventThread,
+                                    DWORD dwmsEventTime) {
+    // TODO: `EVENT_OBJECT_DESTROY` doesn't seem to be implemented by Wine, so
+    //        we can't rely on that.
+    if (event == EVENT_OBJECT_CREATE && idObject == OBJID_WINDOW) {
+        // TODO
+    }
+}
+
+WineXdndProxy::WineXdndProxy()
+    : hook_handle(
+          SetWinEventHook(EVENT_OBJECT_CREATE,
+                          EVENT_OBJECT_CREATE,
+                          nullptr,
+                          dnd_winevent_callback,
+                          0,
+                          0,
+                          WINEVENT_OUTOFCONTEXT | WINEVENT_SKIPOWNPROCESS),
+          UnhookWinEvent) {}
+
+WineXdndProxy& WineXdndProxy::init_proxy() {
+    static std::unique_ptr<WineXdndProxy> instance;
+    if (!instance) {
+        // Protected constructors, hooray!
+        instance.reset(new WineXdndProxy{});
+    }
+
+    return *instance;
+}