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WindowServer+LibGUI: Pass drag&drop bitmaps via Gfx::ShareableBitmap

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This makes them backed by anonymous files instead of shbufs and also
simplifies the code significantly on both client and server side.
This commit is contained in:
Andreas Kling 2021-01-16 10:06:27 +01:00
parent 60e580fa3e
commit ab0dad5ea2
5 changed files with 7 additions and 23 deletions
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13
Userland/Services/WindowServer/ClientConnection.cpp
View file

@ -747,18 +747,7 @@ OwnPtr<Messages::WindowServer::StartDragResponse> ClientConnection::handle(const
if (wm.dnd_client())
return make<Messages::WindowServer::StartDragResponse>(false);
RefPtr<Gfx::Bitmap> bitmap;
if (message.bitmap_id() != -1) {
auto shared_buffer = SharedBuffer::create_from_shbuf_id(message.bitmap_id());
ssize_t size_in_bytes = message.bitmap_size().area() * sizeof(Gfx::RGBA32);
if (size_in_bytes > shared_buffer->size()) {
did_misbehave("SetAppletBackingStore: Shared buffer is too small for applet size");
return {};
}
bitmap = Gfx::Bitmap::create_with_shared_buffer(Gfx::BitmapFormat::RGBA32, *shared_buffer, message.bitmap_size());
}
wm.start_dnd_drag(*this, message.text(), bitmap, Core::MimeData::construct(message.mime_data()));
wm.start_dnd_drag(*this, message.text(), message.drag_bitmap().bitmap(), Core::MimeData::construct(message.mime_data()));
return make<Messages::WindowServer::StartDragResponse>(true);
}

2
Userland/Services/WindowServer/WindowManager.cpp
View file

@ -1383,7 +1383,7 @@ Gfx::IntRect WindowManager::maximized_window_rect(const Window& window) const
return rect;
}
void WindowManager::start_dnd_drag(ClientConnection& client, const String& text, Gfx::Bitmap* bitmap, const Core::MimeData& mime_data)
void WindowManager::start_dnd_drag(ClientConnection& client, const String& text, const Gfx::Bitmap* bitmap, const Core::MimeData& mime_data)
{
ASSERT(!m_dnd_client);
m_dnd_client = client;

2
Userland/Services/WindowServer/WindowManager.h
View file

@ -104,7 +104,7 @@ public:
const Gfx::Bitmap* dnd_bitmap() const { return m_dnd_bitmap; }
Gfx::IntRect dnd_rect() const;
void start_dnd_drag(ClientConnection&, const String& text, Gfx::Bitmap*, const Core::MimeData&);
void start_dnd_drag(ClientConnection&, const String& text, const Gfx::Bitmap*, const Core::MimeData&);
void end_dnd_drag();
Window* active_window() { return m_active_window.ptr(); }

2
Userland/Services/WindowServer/WindowServer.ipc
View file

@ -94,7 +94,7 @@ endpoint WindowServer = 2
SetWindowCursor(i32 window_id, i32 cursor_type) => ()
SetWindowCustomCursor(i32 window_id, Gfx::ShareableBitmap cursor) => ()
StartDrag([UTF8] String text, HashMap<String,ByteBuffer> mime_data, i32 bitmap_id, Gfx::IntSize bitmap_size) => (bool started)
StartDrag([UTF8] String text, HashMap<String,ByteBuffer> mime_data, Gfx::ShareableBitmap drag_bitmap) => (bool started)
SetSystemTheme(String theme_path, [UTF8] String theme_name) => (bool success)
GetSystemTheme() => ([UTF8] String theme_name)