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2177594c96
As a consequence, move to use an explicit handshake() method rather than calling virtuals from the constructor. This seemed to not bother AClientConnection, but LibGUI crashes (rightfully) because of it.
55 lines
2.1 KiB
C++
55 lines
2.1 KiB
C++
#include <LibC/SharedBuffer.h>
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#include <LibGUI/GClipboard.h>
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#include <LibGUI/GEventLoop.h>
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#include <WindowServer/WSAPITypes.h>
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GClipboard& GClipboard::the()
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{
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static GClipboard* s_the;
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if (!s_the)
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s_the = new GClipboard;
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return *s_the;
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}
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GClipboard::GClipboard()
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{
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}
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String GClipboard::data() const
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{
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WSAPI_ClientMessage request;
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request.type = WSAPI_ClientMessage::Type::GetClipboardContents;
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auto response = GEventLoop::current().connection().sync_request(request, WSAPI_ServerMessage::Type::DidGetClipboardContents);
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if (response.clipboard.shared_buffer_id < 0)
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return {};
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auto shared_buffer = SharedBuffer::create_from_shared_buffer_id(response.clipboard.shared_buffer_id);
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if (!shared_buffer) {
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dbgprintf("GClipboard::data() failed to attach to the shared buffer\n");
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return {};
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}
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if (response.clipboard.contents_size > shared_buffer->size()) {
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dbgprintf("GClipboard::data() clipping contents size is greater than shared buffer size\n");
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return {};
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}
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return String((const char*)shared_buffer->data(), response.clipboard.contents_size);
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}
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void GClipboard::set_data(const StringView& data)
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{
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WSAPI_ClientMessage request;
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request.type = WSAPI_ClientMessage::Type::SetClipboardContents;
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auto shared_buffer = SharedBuffer::create(GEventLoop::current().connection().server_pid(), data.length() + 1);
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if (!shared_buffer) {
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dbgprintf("GClipboard::set_data() failed to create a shared buffer\n");
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return;
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}
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if (!data.is_empty())
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memcpy(shared_buffer->data(), data.characters_without_null_termination(), data.length() + 1);
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else
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((u8*)shared_buffer->data())[0] = '\0';
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shared_buffer->seal();
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request.clipboard.shared_buffer_id = shared_buffer->shared_buffer_id();
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request.clipboard.contents_size = data.length();
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auto response = GEventLoop::current().connection().sync_request(request, WSAPI_ServerMessage::Type::DidSetClipboardContents);
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ASSERT(response.clipboard.shared_buffer_id == shared_buffer->shared_buffer_id());
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}
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