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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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48
Userland/Libraries/LibGUI/Clipboard.h
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -15,22 +16,17 @@
namespace GUI {
class ClipboardServerConnection;
class Clipboard {
public:
static Clipboard& the();
class ClipboardClient {
public:
ClipboardClient();
virtual ~ClipboardClient();
ByteBuffer data() const { return data_and_type().data; }
String mime_type() const { return data_and_type().mime_type; }
void set_data(ReadonlyBytes, const String& mime_type = "text/plain", const HashMap<String, String>& metadata = {});
void clear();
void set_plain_text(const String& text)
{
set_data(text.bytes());
}
void set_bitmap(const Gfx::Bitmap&);
RefPtr<Gfx::Bitmap> bitmap() const;
virtual void clipboard_content_did_change(String const& mime_type) = 0;
};
struct DataAndType {
ByteBuffer data;
@ -38,14 +34,30 @@ public:
HashMap<String, String> metadata;
};
DataAndType data_and_type() const;
Function<void(const String& mime_type)> on_change;
static void initialize(Badge<Application>);
static Clipboard& the();
DataAndType data_and_type() const;
ByteBuffer data() const { return data_and_type().data; }
String mime_type() const { return data_and_type().mime_type; }
RefPtr<Gfx::Bitmap> bitmap() const;
void set_data(ReadonlyBytes const& data, String const& mime_type = "text/plain", HashMap<String, String> const& metadata = {});
void set_plain_text(String const& text) { set_data(text.bytes()); }
void set_bitmap(Gfx::Bitmap const&);
void clear();
void clipboard_data_changed(Badge<ClipboardServerConnection>, String const& mime_type);
void register_client(Badge<ClipboardClient>, ClipboardClient& client) { m_clients.set(&client); }
void unregister_client(Badge<ClipboardClient>, ClipboardClient& client) { m_clients.remove(&client); }
Function<void(String const& mime_type)> on_change;
private:
Clipboard();
Clipboard() = default;
HashTable<ClipboardClient*> m_clients;
};
}