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WindowServer: Begin refactoring towards a fully asynchronous protocol.

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In order to move the WindowServer to userspace, I have to eliminate its
dependence on system call facilities. The communication channel with each
client needs to be message-based in both directions.
This commit is contained in:
Andreas Kling 2019-02-13 17:54:30 +01:00
parent 96352ab735
commit 4f98a35beb
18 changed files with 242 additions and 91 deletions
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31
LibGUI/GMenuBar.cpp
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@ -1,4 +1,5 @@
#include <LibGUI/GMenuBar.h>
#include <LibGUI/GEventLoop.h>
#include <LibC/gui.h>
GMenuBar::GMenuBar()
@ -7,10 +8,7 @@ GMenuBar::GMenuBar()
GMenuBar::~GMenuBar()
{
if (m_menubar_id) {
gui_menubar_destroy(m_menubar_id);
m_menubar_id = 0;
}
unrealize_menubar();
}
void GMenuBar::add_menu(OwnPtr<GMenu>&& menu)
@ -18,10 +16,29 @@ void GMenuBar::add_menu(OwnPtr<GMenu>&& menu)
m_menus.append(move(menu));
}
int GMenuBar::realize_menubar()
{
GUI_ClientMessage request;
request.type = GUI_ClientMessage::Type::CreateMenubar;
GUI_Event response = GEventLoop::main().sync_request(request, GUI_Event::Type::DidCreateMenubar);
return response.menu.menubar_id;
}
void GMenuBar::unrealize_menubar()
{
if (!m_menubar_id)
return;
GUI_ClientMessage request;
request.type = GUI_ClientMessage::Type::DestroyMenubar;
request.menu.menubar_id = m_menubar_id;
GEventLoop::main().sync_request(request, GUI_Event::Type::DidDestroyMenubar);
m_menubar_id = 0;
}
void GMenuBar::notify_added_to_application(Badge<GApplication>)
{
ASSERT(!m_menubar_id);
m_menubar_id = gui_menubar_create();
m_menubar_id = realize_menubar();
ASSERT(m_menubar_id > 0);
for (auto& menu : m_menus) {
ASSERT(menu);
@ -35,7 +52,5 @@ void GMenuBar::notify_added_to_application(Badge<GApplication>)
void GMenuBar::notify_removed_from_application(Badge<GApplication>)
{
ASSERT(m_menubar_id);
gui_menubar_destroy(m_menubar_id);
m_menubar_id = 0;
unrealize_menubar();
}