clipboard-win: add Windows clipboard backend

This adds a Windows clipboard backend. This doesn't depend on
VO, so it can be used even when no video window is created.
This commit is contained in:
nanahi
2024-11-21 23:33:41 -05:00
committed by Kacper Michajłow
parent d47ce38e20
commit dcde47e15b

View File

@@ -21,19 +21,61 @@
static int init(struct clipboard_ctx *cl, struct clipboard_init_params *params)
{
return CLIPBOARD_FAILED;
return CLIPBOARD_SUCCESS;
}
static int get_data(struct clipboard_ctx *cl, struct clipboard_access_params *params,
struct clipboard_data *out, void *talloc_ctx)
{
return CLIPBOARD_FAILED;
if (params->type != CLIPBOARD_DATA_TEXT || !IsClipboardFormatAvailable(CF_UNICODETEXT))
return CLIPBOARD_FAILED;
if (!OpenClipboard(NULL))
return CLIPBOARD_FAILED;
HANDLE h = GetClipboardData(CF_UNICODETEXT);
wchar_t *wdata;
if (!h || !(wdata = GlobalLock(h))) {
CloseClipboard();
return CLIPBOARD_FAILED;
}
int len = WideCharToMultiByte(CP_UTF8, 0, wdata, -1, NULL, 0, NULL, NULL);
if (len <= 0)
abort();
char *data = talloc_array(talloc_ctx, char, len);
WideCharToMultiByte(CP_UTF8, 0, wdata, -1, data, len, NULL, NULL);
out->type = CLIPBOARD_DATA_TEXT;
out->u.text = data;
GlobalUnlock(h);
CloseClipboard();
return CLIPBOARD_SUCCESS;
}
static int set_data(struct clipboard_ctx *cl, struct clipboard_access_params *params,
struct clipboard_data *data)
{
return CLIPBOARD_FAILED;
if (params->type != CLIPBOARD_DATA_TEXT || data->type != CLIPBOARD_DATA_TEXT)
return CLIPBOARD_FAILED;
if (!OpenClipboard(NULL))
return CLIPBOARD_FAILED;
int len = MultiByteToWideChar(CP_UTF8, 0, data->u.text, -1, NULL, 0);
if (len <= 0)
abort();
HANDLE h = GlobalAlloc(GMEM_MOVEABLE, len * sizeof(wchar_t));
wchar_t *wdata;
if (!h || !(wdata = GlobalLock(h))) {
CloseClipboard();
return CLIPBOARD_FAILED;
}
MultiByteToWideChar(CP_UTF8, 0, data->u.text, -1, wdata, len);
GlobalUnlock(h);
EmptyClipboard();
SetClipboardData(CF_UNICODETEXT, h);
CloseClipboard();
return CLIPBOARD_SUCCESS;
}
const struct clipboard_backend clipboard_backend_win32 = {