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#include "Process.h"
#include "MemoryManager.h"
#include <LibC/errno_numbers.h>
#include <Widgets/AbstractScreen.h>
#include <Widgets/FrameBuffer.h>
#include <Widgets/EventLoop.h>
#include <Widgets/Font.h>
#include <Widgets/Button.h>
#include <Widgets/Label.h>
#include <Widgets/Widget.h>
#include <Widgets/Window.h>
#include <Widgets/WindowManager.h>
void Process::initialize_gui_statics()
{
Font::initialize();
FrameBuffer::initialize();
EventLoop::initialize();
WindowManager::initialize();
AbstractScreen::initialize();
new EventLoop;
}
int Process::make_window_id()
{
int new_id = m_next_window_id++;
while (!new_id || m_windows.contains(new_id)) {
new_id = m_next_window_id++;
if (new_id < 0)
new_id = 1;
}
return new_id;
}
static void wait_for_gui_server()
{
// FIXME: Time out after a while and return an error.
while (!EventLoop::main().running())
sleep(10);
}
int Process::gui$create_window(const GUI_CreateWindowParameters* user_params)
{
wait_for_gui_server();
if (!validate_read_typed(user_params))
return -EFAULT;
auto params = *user_params;
Rect rect = params.rect;
if (rect.is_empty())
return -EINVAL;
ProcessPagingScope scope(EventLoop::main().server_process());
int window_id = make_window_id();
if (!window_id)
return -ENOMEM;
auto window = make<Window>(*this, window_id);
if (!window)
return -ENOMEM;
window->set_title(params.title);
window->set_rect(rect);
m_windows.set(window_id, move(window));
dbgprintf("%s<%u> gui$create_window: %d with rect {%d,%d %dx%d}\n", name().characters(), pid(), window_id, rect.x(), rect.y(), rect.width(), rect.height());
return window_id;
}
int Process::gui$destroy_window(int window_id)
{
dbgprintf("%s<%u> gui$destroy_window (window_id=%d)\n", name().characters(), pid(), window_id);
if (window_id < 0)
return -EINVAL;
auto it = m_windows.find(window_id);
if (it == m_windows.end())
return -EBADWINDOW;
m_windows.remove(window_id);
return 0;
}
int Process::gui$get_window_backing_store(int window_id, GUI_WindowBackingStoreInfo* info)
{
dbgprintf("%s<%u> gui$get_window_backing_store (window_id=%d, info=%p)\n", name().characters(), pid(), window_id, info);
if (!validate_write_typed(info))
return -EFAULT;
if (window_id < 0)
return -EINVAL;
auto it = m_windows.find(window_id);
if (it == m_windows.end())
return -EBADWINDOW;
auto& window = *(*it).value;
info->bpp = sizeof(RGBA32);
info->pitch = window.backing()->pitch();
info->size = window.backing()->size();
info->pixels = reinterpret_cast<RGBA32*>(window.backing()->client_region()->linearAddress.asPtr());
return 0;
}
int Process::gui$invalidate_window(int window_id)
{
dbgprintf("%s<%u> gui$invalidate_window (window_id=%d)\n", name().characters(), pid(), window_id);
if (window_id < 0)
return -EINVAL;
auto it = m_windows.find(window_id);
if (it == m_windows.end())
return -EBADWINDOW;
auto& window = *(*it).value;
// FIXME: This should queue up a message that the window server process can read.
// Poking into its data structures is not good.
InterruptDisabler disabler;
WindowManager::the().invalidate(window);
return 0;
}
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