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