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#include <LibC/SharedBuffer.h>
#include <LibGUI/GClipboard.h>
#include <LibGUI/GWindowServerConnection.h>
#include <WindowServer/WSAPITypes.h>
GClipboard& GClipboard::the()
{
static GClipboard* s_the;
if (!s_the)
s_the = new GClipboard;
return *s_the;
}
GClipboard::GClipboard()
{
}
GClipboard::DataAndType GClipboard::data_and_type() const
{
WSAPI_ClientMessage request;
request.type = WSAPI_ClientMessage::Type::GetClipboardContents;
auto response = GWindowServerConnection::the().sync_request(request, WSAPI_ServerMessage::Type::DidGetClipboardContents);
if (response.clipboard.shared_buffer_id < 0)
return {};
auto shared_buffer = SharedBuffer::create_from_shared_buffer_id(response.clipboard.shared_buffer_id);
if (!shared_buffer) {
dbgprintf("GClipboard::data() failed to attach to the shared buffer\n");
return {};
}
if (response.clipboard.contents_size > shared_buffer->size()) {
dbgprintf("GClipboard::data() clipping contents size is greater than shared buffer size\n");
return {};
}
auto data = String((const char*)shared_buffer->data(), response.clipboard.contents_size);
auto type = String(response.text, response.text_length);
return { data, type };
}
void GClipboard::set_data(const StringView& data, const String& type)
{
WSAPI_ClientMessage request;
request.type = WSAPI_ClientMessage::Type::SetClipboardContents;
auto shared_buffer = SharedBuffer::create_with_size(data.length() + 1);
if (!shared_buffer) {
dbgprintf("GClipboard::set_data() failed to create a shared buffer\n");
return;
}
if (!data.is_empty())
memcpy(shared_buffer->data(), data.characters_without_null_termination(), data.length() + 1);
else
((u8*)shared_buffer->data())[0] = '\0';
shared_buffer->seal();
shared_buffer->share_with(GWindowServerConnection::the().server_pid());
request.clipboard.shared_buffer_id = shared_buffer->shared_buffer_id();
request.clipboard.contents_size = data.length();
ASSERT(type.length() < (ssize_t)sizeof(request.text));
if (!type.is_null())
strcpy(request.text, type.characters());
request.text_length = type.length();
auto response = GWindowServerConnection::the().sync_request(request, WSAPI_ServerMessage::Type::DidSetClipboardContents);
ASSERT(response.clipboard.shared_buffer_id == shared_buffer->shared_buffer_id());
}
void GClipboard::did_receive_clipboard_contents_changed(Badge<GWindowServerConnection>, const String& data_type)
{
if (on_content_change)
on_content_change(data_type);
}
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