diff options
Diffstat (limited to 'platform/windows/drop_target_windows.h')
| -rw-r--r-- | platform/windows/drop_target_windows.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/platform/windows/drop_target_windows.h b/platform/windows/drop_target_windows.h new file mode 100644 index 0000000000..bd0e0270c6 --- /dev/null +++ b/platform/windows/drop_target_windows.h @@ -0,0 +1,77 @@ +/**************************************************************************/ +/* drop_target_windows.h */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/**************************************************************************/ + +#ifndef DROP_TARGET_WINDOWS_H +#define DROP_TARGET_WINDOWS_H + +#include "display_server_windows.h" + +#include <shlobj.h> + +// Silence warning due to a COM API weirdness. +#if defined(__GNUC__) && !defined(__clang__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wnon-virtual-dtor" +#endif + +// https://learn.microsoft.com/en-us/windows/win32/api/ole2/nf-ole2-dodragdrop#remarks +class DropTargetWindows : public IDropTarget { + LONG ref_count; + DisplayServerWindows::WindowData *window_data = nullptr; + CLIPFORMAT cf_filedescriptor = 0; + CLIPFORMAT cf_filecontents = 0; + String tmp_path; + + bool is_valid_filedescriptor(); + HRESULT handle_hdrop_format(Vector<String> *p_files, IDataObject *pDataObj); + HRESULT handle_filedescriptor_format(Vector<String> *p_files, IDataObject *pDataObj); + HRESULT save_as_file(const String &p_out_dir, FILEDESCRIPTORW *p_file_desc, IDataObject *pDataObj, int p_file_idx); + +public: + DropTargetWindows(DisplayServerWindows::WindowData *p_window_data); + virtual ~DropTargetWindows() {} + + // IUnknown + HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void **ppvObject) override; + ULONG STDMETHODCALLTYPE AddRef() override; + ULONG STDMETHODCALLTYPE Release() override; + + // IDropTarget + HRESULT STDMETHODCALLTYPE DragEnter(IDataObject *pDataObj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect) override; + HRESULT STDMETHODCALLTYPE DragOver(DWORD grfKeyState, POINTL pt, DWORD *pdwEffect) override; + HRESULT STDMETHODCALLTYPE DragLeave() override; + HRESULT STDMETHODCALLTYPE Drop(IDataObject *pDataObj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect) override; +}; + +#if defined(__GNUC__) && !defined(__clang__) +#pragma GCC diagnostic pop +#endif + +#endif // DROP_TARGET_WINDOWS_H |