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LibGUI: Add a ClipboardClient for GUI::Clipboard

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Anyone who inherits from `GUI::Clipboard::ClipboardClient` will receive
clipboard notifications via `clipboard_content_did_change()`.

Update ClipboardHistoryModel, TextEditor and TerminalWidget to inherit
from this class.
This commit is contained in:
TheFightingCatfish 2021-07-27 03:19:56 +08:00 • committed by Andreas Kling
parent 95f393ebcd
commit 0c53c2dfa2
8 changed files with 106 additions and 72 deletions
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87
Userland/Libraries/LibGUI/Clipboard.cpp
View file

@ -1,10 +1,10 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Badge.h>
#include <Clipboard/ClipboardClientEndpoint.h>
#include <Clipboard/ClipboardServerEndpoint.h>
#include <LibGUI/Clipboard.h>
@ -23,18 +23,14 @@ private:
: IPC::ServerConnection<ClipboardClientEndpoint, ClipboardServerEndpoint>(*this, "/tmp/portal/clipboard")
{
}
virtual void clipboard_data_changed(String const& mime_type) override;
virtual void clipboard_data_changed(String const& mime_type) override
{
Clipboard::the().clipboard_data_changed({}, mime_type);
}
};
Clipboard& Clipboard::the()
{
static Clipboard* s_the;
if (!s_the)
s_the = new Clipboard;
return *s_the;
}
ClipboardServerConnection* s_connection;
static ClipboardServerConnection* s_connection;
static ClipboardServerConnection& connection()
{
@ -46,8 +42,12 @@ void Clipboard::initialize(Badge<Application>)
s_connection = &ClipboardServerConnection::construct().leak_ref();
}
Clipboard::Clipboard()
Clipboard& Clipboard::the()
{
static Clipboard* s_the;
if (!s_the)
s_the = new Clipboard;
return *s_the;
}
Clipboard::DataAndType Clipboard::data_and_type() const
@ -61,31 +61,6 @@ Clipboard::DataAndType Clipboard::data_and_type() const
return { data, type, metadata };
}
void Clipboard::set_data(ReadonlyBytes data, const String& type, const HashMap<String, String>& metadata)
{
auto buffer = Core::AnonymousBuffer::create_with_size(data.size());
if (!buffer.is_valid()) {
dbgln("GUI::Clipboard::set_data() failed to create a buffer");
return;
}
if (!data.is_empty())
memcpy(buffer.data<void>(), data.data(), data.size());
connection().async_set_clipboard_data(move(buffer), type, metadata);
}
void Clipboard::clear()
{
connection().async_set_clipboard_data({}, {}, {});
}
void ClipboardServerConnection::clipboard_data_changed(String const& mime_type)
{
auto& clipboard = Clipboard::the();
if (clipboard.on_change)
clipboard.on_change(mime_type);
}
RefPtr<Gfx::Bitmap> Clipboard::bitmap() const
{
auto clipping = data_and_type();
@ -126,7 +101,20 @@ RefPtr<Gfx::Bitmap> Clipboard::bitmap() const
return bitmap;
}
void Clipboard::set_bitmap(const Gfx::Bitmap& bitmap)
void Clipboard::set_data(ReadonlyBytes const& data, String const& type, HashMap<String, String> const& metadata)
{
auto buffer = Core::AnonymousBuffer::create_with_size(data.size());
if (!buffer.is_valid()) {
dbgln("GUI::Clipboard::set_data() failed to create a buffer");
return;
}
if (!data.is_empty())
memcpy(buffer.data<void>(), data.data(), data.size());
connection().async_set_clipboard_data(move(buffer), type, metadata);
}
void Clipboard::set_bitmap(Gfx::Bitmap const& bitmap)
{
HashMap<String, String> metadata;
metadata.set("width", String::number(bitmap.width()));
@ -137,4 +125,27 @@ void Clipboard::set_bitmap(const Gfx::Bitmap& bitmap)
set_data({ bitmap.scanline(0), bitmap.size_in_bytes() }, "image/x-serenityos", metadata);
}
void Clipboard::clear()
{
connection().async_set_clipboard_data({}, {}, {});
}
void Clipboard::clipboard_data_changed(Badge<ClipboardServerConnection>, String const& mime_type)
{
if (on_change)
on_change(mime_type);
for (auto* client : m_clients)
client->clipboard_content_did_change(mime_type);
}
Clipboard::ClipboardClient::ClipboardClient()
{
Clipboard::the().register_client({}, *this);
}
Clipboard::ClipboardClient::~ClipboardClient()
{
Clipboard::the().unregister_client({}, *this);
}
}