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DolphinNoGUI: Runtime selection of platform
This commit is contained in:
Stenzek
270
Source/Core/DolphinNoGUI/PlatformX11.cpp
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270
Source/Core/DolphinNoGUI/PlatformX11.cpp
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// Copyright 2018 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <unistd.h>
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#include "DolphinNoGUI/Platform.h"
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#include "Common/MsgHandler.h"
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#include "Core/ConfigManager.h"
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#include "Core/Core.h"
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#include "Core/State.h"
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#include <climits>
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#include <cstdio>
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#include <X11/Xatom.h>
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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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#include "UICommon/X11Utils.h"
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#include "VideoCommon/RenderBase.h"
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#ifndef HOST_NAME_MAX
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#define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
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#endif
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namespace
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{
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class PlatformX11 : public Platform
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{
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public:
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~PlatformX11() override;
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bool Init() override;
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void SetTitle(const std::string& string) override;
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void MainLoop() override;
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WindowSystemInfo GetWindowSystemInfo() const;
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private:
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void CloseDisplay();
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void UpdateWindowPosition();
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void ProcessEvents();
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Display* m_display = nullptr;
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Window m_window = {};
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Cursor m_blank_cursor = None;
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#if defined(HAVE_XRANDR) && HAVE_XRANDR
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X11Utils::XRRConfiguration* m_xrr_config = nullptr;
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#endif
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};
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PlatformX11::~PlatformX11()
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{
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#if defined(HAVE_XRANDR) && HAVE_XRANDR
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delete m_xrr_config;
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#endif
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if (m_display)
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{
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if (SConfig::GetInstance().bHideCursor)
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XFreeCursor(m_display, m_blank_cursor);
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XCloseDisplay(m_display);
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}
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}
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bool PlatformX11::Init()
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{
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XInitThreads();
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m_display = XOpenDisplay(nullptr);
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if (!m_display)
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{
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PanicAlert("No X11 display found");
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return false;
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}
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m_window = XCreateSimpleWindow(
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m_display, DefaultRootWindow(m_display), SConfig::GetInstance().iRenderWindowXPos,
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SConfig::GetInstance().iRenderWindowYPos, SConfig::GetInstance().iRenderWindowWidth,
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SConfig::GetInstance().iRenderWindowHeight, 0, 0, BlackPixel(m_display, 0));
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XSelectInput(m_display, m_window, StructureNotifyMask | KeyPressMask | FocusChangeMask);
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Atom wmProtocols[1];
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wmProtocols[0] = XInternAtom(m_display, "WM_DELETE_WINDOW", True);
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XSetWMProtocols(m_display, m_window, wmProtocols, 1);
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pid_t pid = getpid();
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XChangeProperty(m_display, m_window, XInternAtom(m_display, "_NET_WM_PID", False), XA_CARDINAL,
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32, PropModeReplace, reinterpret_cast<unsigned char*>(&pid), 1);
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char host_name[HOST_NAME_MAX] = "";
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if (!gethostname(host_name, sizeof(host_name)))
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{
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XTextProperty wmClientMachine = {reinterpret_cast<unsigned char*>(host_name), XA_STRING, 8,
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strlen(host_name)};
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XSetWMClientMachine(m_display, m_window, &wmClientMachine);
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}
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XMapRaised(m_display, m_window);
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XFlush(m_display);
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XSync(m_display, True);
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ProcessEvents();
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if (SConfig::GetInstance().bDisableScreenSaver)
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X11Utils::InhibitScreensaver(m_window, true);
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#if defined(HAVE_XRANDR) && HAVE_XRANDR
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m_xrr_config = new X11Utils::XRRConfiguration(m_display, m_window);
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#endif
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if (SConfig::GetInstance().bHideCursor)
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{
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// make a blank cursor
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Pixmap Blank;
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XColor DummyColor;
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char ZeroData[1] = {0};
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Blank = XCreateBitmapFromData(m_display, m_window, ZeroData, 1, 1);
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m_blank_cursor = XCreatePixmapCursor(m_display, Blank, Blank, &DummyColor, &DummyColor, 0, 0);
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XFreePixmap(m_display, Blank);
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XDefineCursor(m_display, m_window, m_blank_cursor);
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}
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// Enter fullscreen if enabled.
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if (SConfig::GetInstance().bFullscreen)
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{
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m_window_fullscreen = X11Utils::ToggleFullscreen(m_display, m_window);
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#if defined(HAVE_XRANDR) && HAVE_XRANDR
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m_xrr_config->ToggleDisplayMode(True);
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#endif
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ProcessEvents();
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}
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UpdateWindowPosition();
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return true;
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}
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void PlatformX11::SetTitle(const std::string& string)
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{
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XStoreName(m_display, m_window, string.c_str());
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}
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void PlatformX11::MainLoop()
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{
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while (IsRunning())
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{
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UpdateRunningFlag();
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Core::HostDispatchJobs();
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ProcessEvents();
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UpdateWindowPosition();
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// TODO: Is this sleep appropriate?
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std::this_thread::sleep_for(std::chrono::milliseconds(1));
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}
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}
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WindowSystemInfo PlatformX11::GetWindowSystemInfo() const
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{
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WindowSystemInfo wsi;
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wsi.type = WindowSystemType::X11;
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wsi.display_connection = static_cast<void*>(m_display);
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wsi.render_surface = reinterpret_cast<void*>(m_window);
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return wsi;
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}
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void PlatformX11::UpdateWindowPosition()
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{
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if (m_window_fullscreen)
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return;
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Window winDummy;
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unsigned int borderDummy, depthDummy;
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XGetGeometry(m_display, m_window, &winDummy, &SConfig::GetInstance().iRenderWindowXPos,
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&SConfig::GetInstance().iRenderWindowYPos,
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reinterpret_cast<unsigned int*>(&SConfig::GetInstance().iRenderWindowWidth),
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reinterpret_cast<unsigned int*>(&SConfig::GetInstance().iRenderWindowHeight),
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&borderDummy, &depthDummy);
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}
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void PlatformX11::ProcessEvents()
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{
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XEvent event;
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KeySym key;
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for (int num_events = XPending(m_display); num_events > 0; num_events--)
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{
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XNextEvent(m_display, &event);
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switch (event.type)
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{
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case KeyPress:
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key = XLookupKeysym((XKeyEvent*)&event, 0);
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if (key == XK_Escape)
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{
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RequestShutdown();
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}
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else if (key == XK_F10)
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{
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if (Core::GetState() == Core::State::Running)
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{
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if (SConfig::GetInstance().bHideCursor)
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XUndefineCursor(m_display, m_window);
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Core::SetState(Core::State::Paused);
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}
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else
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{
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if (SConfig::GetInstance().bHideCursor)
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XDefineCursor(m_display, m_window, m_blank_cursor);
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Core::SetState(Core::State::Running);
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}
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}
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else if ((key == XK_Return) && (event.xkey.state & Mod1Mask))
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{
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m_window_fullscreen = !m_window_fullscreen;
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X11Utils::ToggleFullscreen(m_display, m_window);
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#if defined(HAVE_XRANDR) && HAVE_XRANDR
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m_xrr_config->ToggleDisplayMode(m_window_fullscreen);
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#endif
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UpdateWindowPosition();
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}
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else if (key >= XK_F1 && key <= XK_F8)
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{
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int slot_number = key - XK_F1 + 1;
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if (event.xkey.state & ShiftMask)
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State::Save(slot_number);
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else
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State::Load(slot_number);
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}
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else if (key == XK_F9)
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Core::SaveScreenShot();
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else if (key == XK_F11)
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State::LoadLastSaved();
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else if (key == XK_F12)
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{
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if (event.xkey.state & ShiftMask)
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State::UndoLoadState();
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else
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State::UndoSaveState();
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}
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break;
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case FocusIn:
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{
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m_window_focus = true;
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if (SConfig::GetInstance().bHideCursor && Core::GetState() != Core::State::Paused)
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XDefineCursor(m_display, m_window, m_blank_cursor);
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}
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break;
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case FocusOut:
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{
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m_window_focus = false;
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if (SConfig::GetInstance().bHideCursor)
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XUndefineCursor(m_display, m_window);
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}
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break;
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case ClientMessage:
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{
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if ((unsigned long)event.xclient.data.l[0] ==
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XInternAtom(m_display, "WM_DELETE_WINDOW", False))
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Stop();
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}
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break;
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case ConfigureNotify:
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{
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if (g_renderer)
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g_renderer->ResizeSurface();
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}
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break;
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}
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}
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}
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} // namespace
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std::unique_ptr<Platform> Platform::CreateX11Platform()
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{
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return std::make_unique<PlatformX11>();
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}
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