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WindowServer+LibGUI: Make window creation asynchronous :^)

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Let clients manage their own window ID's. If you try to create a new
window with an existing ID, WindowServer will simply disconnect you
for misbehaving.

This removes the need for window creation to be synchronous, which
means that most GUI applications can now batch their entire GUI
initialization sequence without having to block waiting for responses.
This commit is contained in:
Andreas Kling 2021-06-12 11:55:13 +02:00
parent 77c2db4183
commit 0a98964600
4 changed files with 17 additions and 10 deletions
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13
Userland/Services/WindowServer/ClientConnection.cpp
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@ -460,7 +460,7 @@ Window* ClientConnection::window_from_id(i32 window_id)
return it->value.ptr();
}
Messages::WindowServer::CreateWindowResponse ClientConnection::create_window(Gfx::IntRect const& rect,
void ClientConnection::create_window(i32 window_id, Gfx::IntRect const& rect,
bool auto_position, bool has_alpha_channel, bool modal, bool minimizable, bool resizable,
bool fullscreen, bool frameless, bool accessory, float opacity, float alpha_hit_threshold,
Gfx::IntSize const& base_size, Gfx::IntSize const& size_increment, Gfx::IntSize const& minimum_size,
@ -471,16 +471,20 @@ Messages::WindowServer::CreateWindowResponse ClientConnection::create_window(Gfx
parent_window = window_from_id(parent_window_id);
if (!parent_window) {
did_misbehave("CreateWindow with bad parent_window_id");
return nullptr;
return;
}
}
if (type < 0 || type >= (i32)WindowType::_Count) {
did_misbehave("CreateWindow with a bad type");
return nullptr;
return;
}
if (m_windows.contains(window_id)) {
did_misbehave("CreateWindow with already-used window ID");
return;
}
int window_id = m_next_window_id++;
auto window = Window::construct(*this, (WindowType)type, window_id, modal, minimizable, frameless, resizable, fullscreen, accessory, parent_window);
window->set_has_alpha_channel(has_alpha_channel);
@ -513,7 +517,6 @@ Messages::WindowServer::CreateWindowResponse ClientConnection::create_window(Gfx
if (window->type() == WindowType::Applet)
AppletManager::the().add_applet(*window);
m_windows.set(window_id, move(window));
return window_id;
}
void ClientConnection::destroy_window(Window& window, Vector<i32>& destroyed_window_ids)