Adding upstream version 0.37.0.upstream/0.37.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 227 insertions, 0 deletions

diff --git a/video/out/win32/droptarget.c b/video/out/win32/droptarget.c
new file mode 100644
index 0000000..8a33522
--- /dev/null
+++ b/video/out/win32/droptarget.c
@@ -0,0 +1,227 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stdatomic.h>
+
+#include <windows.h>
+#include <ole2.h>
+#include <shobjidl.h>
+
+#include "common/msg.h"
+#include "common/common.h"
+#include "input/input.h"
+#include "input/event.h"
+#include "osdep/io.h"
+#include "osdep/windows_utils.h"
+#include "mpv_talloc.h"
+
+#include "droptarget.h"
+
+struct droptarget {
+    IDropTarget iface;
+    atomic_int ref_cnt;
+    struct mp_log *log;
+    struct input_ctx *input_ctx;
+    struct mp_vo_opts *opts;
+    DWORD last_effect;
+    IDataObject *data_obj;
+};
+
+static FORMATETC fmtetc_file = {
+    .cfFormat = CF_HDROP,
+    .dwAspect = DVASPECT_CONTENT,
+    .lindex = -1,
+    .tymed = TYMED_HGLOBAL,
+};
+
+static FORMATETC fmtetc_url = {
+    .dwAspect = DVASPECT_CONTENT,
+    .lindex = -1,
+    .tymed = TYMED_HGLOBAL,
+};
+
+static void DropTarget_Destroy(struct droptarget *t)
+{
+    SAFE_RELEASE(t->data_obj);
+    talloc_free(t);
+}
+
+static STDMETHODIMP DropTarget_QueryInterface(IDropTarget *self, REFIID riid,
+                                              void **ppvObject)
+{
+    if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDropTarget)) {
+        *ppvObject = self;
+        IDropTarget_AddRef(self);
+        return S_OK;
+    }
+
+    *ppvObject = NULL;
+    return E_NOINTERFACE;
+}
+
+static STDMETHODIMP_(ULONG) DropTarget_AddRef(IDropTarget *self)
+{
+    struct droptarget *t = (struct droptarget *)self;
+    return atomic_fetch_add(&t->ref_cnt, 1) + 1;
+}
+
+static STDMETHODIMP_(ULONG) DropTarget_Release(IDropTarget *self)
+{
+    struct droptarget *t = (struct droptarget *)self;
+
+    ULONG ref_cnt = atomic_fetch_add(&t->ref_cnt, -1) - 1;
+    if (ref_cnt == 0)
+        DropTarget_Destroy(t);
+    return ref_cnt;
+}
+
+static STDMETHODIMP DropTarget_DragEnter(IDropTarget *self,
+                                         IDataObject *pDataObj,
+                                         DWORD grfKeyState, POINTL pt,
+                                         DWORD *pdwEffect)
+{
+    struct droptarget *t = (struct droptarget *)self;
+
+    IDataObject_AddRef(pDataObj);
+    if (FAILED(IDataObject_QueryGetData(pDataObj, &fmtetc_file)) &&
+        FAILED(IDataObject_QueryGetData(pDataObj, &fmtetc_url)))
+    {
+        *pdwEffect = DROPEFFECT_NONE;
+    }
+
+    SAFE_RELEASE(t->data_obj);
+    t->data_obj = pDataObj;
+    t->last_effect = *pdwEffect;
+    return S_OK;
+}
+
+static STDMETHODIMP DropTarget_DragOver(IDropTarget *self, DWORD grfKeyState,
+                                        POINTL pt, DWORD *pdwEffect)
+{
+    struct droptarget *t = (struct droptarget *)self;
+
+    *pdwEffect = t->last_effect;
+    return S_OK;
+}
+
+static STDMETHODIMP DropTarget_DragLeave(IDropTarget *self)
+{
+    struct droptarget *t = (struct droptarget *)self;
+
+    SAFE_RELEASE(t->data_obj);
+    return S_OK;
+}
+
+static STDMETHODIMP DropTarget_Drop(IDropTarget *self, IDataObject *pDataObj,
+                                    DWORD grfKeyState, POINTL pt,
+                                    DWORD *pdwEffect)
+{
+    struct droptarget *t = (struct droptarget *)self;
+
+    enum mp_dnd_action action;
+    if (t->opts->drag_and_drop >= 0) {
+        action = t->opts->drag_and_drop;
+    } else {
+        action = (grfKeyState & MK_SHIFT) ? DND_APPEND : DND_REPLACE;
+    }
+
+    SAFE_RELEASE(t->data_obj);
+
+    STGMEDIUM medium;
+    if (t->opts->drag_and_drop == -2) {
+        t->last_effect = DROPEFFECT_NONE;
+    } else if (SUCCEEDED(IDataObject_GetData(pDataObj, &fmtetc_file, &medium))) {
+        if (GlobalLock(medium.hGlobal)) {
+            HDROP drop = medium.hGlobal;
+
+            UINT files_num = DragQueryFileW(drop, 0xFFFFFFFF, NULL, 0);
+            char **files = talloc_zero_array(NULL, char*, files_num);
+
+            UINT recvd_files = 0;
+            for (UINT i = 0; i < files_num; i++) {
+                UINT len = DragQueryFileW(drop, i, NULL, 0);
+                wchar_t *buf = talloc_array(NULL, wchar_t, len + 1);
+
+                if (DragQueryFileW(drop, i, buf, len + 1) == len) {
+                    char *fname = mp_to_utf8(files, buf);
+                    files[recvd_files++] = fname;
+
+                    MP_VERBOSE(t, "received dropped file: %s\n", fname);
+                } else {
+                    MP_ERR(t, "error getting dropped file name\n");
+                }
+
+                talloc_free(buf);
+            }
+
+            GlobalUnlock(medium.hGlobal);
+            mp_event_drop_files(t->input_ctx, recvd_files, files, action);
+            talloc_free(files);
+        }
+
+        ReleaseStgMedium(&medium);
+    } else if (SUCCEEDED(IDataObject_GetData(pDataObj, &fmtetc_url, &medium))) {
+        wchar_t *wurl = GlobalLock(medium.hGlobal);
+        if (wurl) {
+            char *url = mp_to_utf8(NULL, wurl);
+            if (mp_event_drop_mime_data(t->input_ctx, "text/uri-list",
+                                        bstr0(url), action) > 0)
+            {
+                MP_VERBOSE(t, "received dropped URL: %s\n", url);
+            } else {
+                MP_ERR(t, "error getting dropped URL\n");
+            }
+
+            talloc_free(url);
+            GlobalUnlock(medium.hGlobal);
+        }
+
+        ReleaseStgMedium(&medium);
+    } else {
+        t->last_effect = DROPEFFECT_NONE;
+    }
+
+    *pdwEffect = t->last_effect;
+    return S_OK;
+}
+
+static IDropTargetVtbl idroptarget_vtbl = {
+    .QueryInterface = DropTarget_QueryInterface,
+    .AddRef = DropTarget_AddRef,
+    .Release = DropTarget_Release,
+    .DragEnter = DropTarget_DragEnter,
+    .DragOver = DropTarget_DragOver,
+    .DragLeave = DropTarget_DragLeave,
+    .Drop = DropTarget_Drop,
+};
+
+IDropTarget *mp_w32_droptarget_create(struct mp_log *log,
+                                      struct mp_vo_opts *opts,
+                                      struct input_ctx *input_ctx)
+{
+    fmtetc_url.cfFormat = RegisterClipboardFormatW(L"UniformResourceLocatorW");
+
+    struct droptarget *dt = talloc(NULL, struct droptarget);
+    dt->iface.lpVtbl = &idroptarget_vtbl;
+    atomic_store(&dt->ref_cnt, 0);
+    dt->last_effect = 0;
+    dt->data_obj = NULL;
+    dt->log = mp_log_new(dt, log, "droptarget");
+    dt->opts = opts;
+    dt->input_ctx = input_ctx;
+
+    return &dt->iface;
+}