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LibGUI+WindowServer: Separate window manager IPC from regular IPC

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With this patch the window manager related functionality is split out
onto a new endpoint pair named WindowManagerServer/Client.  This allows
window manager functionality to be potentially privilege separated in
the future.  To this end, a new client named WMConnectionClient
is used to maintain a window manager connection.  When a process
connects to the endpoint and greets the WindowServer as a window manager
(via Window::make_window_manager(int)), they're subscribed to the events
they requested via the WM event mask.

This patch also removes the hardcoding of the Taskbar WindowType to
receive WM events automatically.  However, being a window manager still
requires having an active window, at the moment.
This commit is contained in:
sin-ack 2021-04-14 21:38:53 +00:00 • committed by Andreas Kling
parent 139c04a6e5
commit aa56f9a1e0
24 changed files with 522 additions and 230 deletions
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32
Userland/Services/WindowServer/WindowManager.h
View file

@ -41,6 +41,7 @@
#include <WindowServer/Event.h>
#include <WindowServer/MenuManager.h>
#include <WindowServer/Menubar.h>
#include <WindowServer/WMClientConnection.h>
#include <WindowServer/Window.h>
#include <WindowServer/WindowSwitcher.h>
#include <WindowServer/WindowType.h>
@ -169,10 +170,11 @@ public:
void clear_resize_candidate();
ResizeDirection resize_direction_of_window(const Window&);
void tell_wm_listeners_window_state_changed(Window&);
void tell_wm_listeners_window_icon_changed(Window&);
void tell_wm_listeners_window_rect_changed(Window&);
void tell_wm_listeners_applet_area_size_changed(const Gfx::IntSize&);
void greet_window_manager(WMClientConnection&);
void tell_wms_window_state_changed(Window&);
void tell_wms_window_icon_changed(Window&);
void tell_wms_window_rect_changed(Window&);
void tell_wms_applet_area_size_changed(const Gfx::IntSize&);
bool is_active_window_or_accessory(Window&) const;
@ -263,17 +265,18 @@ private:
template<typename Callback>
IterationDecision for_each_visible_window_from_back_to_front(Callback);
template<typename Callback>
void for_each_window_listening_to_wm_events(Callback);
template<typename Callback>
void for_each_window(Callback);
template<typename Callback>
IterationDecision for_each_window_of_type_from_front_to_back(WindowType, Callback, bool ignore_highlight = false);
template<typename Callback>
void for_each_window_manager(Callback);
virtual void event(Core::Event&) override;
void paint_window_frame(const Window&);
void tell_wm_listener_about_window(Window& listener, Window&);
void tell_wm_listener_about_window_icon(Window& listener, Window&);
void tell_wm_listener_about_window_rect(Window& listener, Window&);
void tell_wm_about_window(WMClientConnection& conn, Window&);
void tell_wm_about_window_icon(WMClientConnection& conn, Window&);
void tell_wm_about_window_rect(WMClientConnection& conn, Window&);
bool pick_new_active_window(Window*);
void do_move_to_front(Window&, bool, bool);
@ -460,12 +463,13 @@ IterationDecision WindowManager::for_each_visible_window_from_front_to_back(Call
}
template<typename Callback>
void WindowManager::for_each_window_listening_to_wm_events(Callback callback)
void WindowManager::for_each_window_manager(Callback callback)
{
for (auto* window = m_windows_in_order.tail(); window; window = window->prev()) {
if (!window->listens_to_wm_events())
continue;
if (callback(*window) == IterationDecision::Break)
auto& connections = WMClientConnection::s_connections;
// FIXME: this isn't really ordered... does it need to be?
for (auto it = connections.begin(); it != connections.end(); ++it) {
if (callback(*it->value) == IterationDecision::Break)
return;
}
}