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boo/lib/x11/WindowXlib.cpp

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#include "boo/IWindow.hpp"
#include "boo/IApplication.hpp"
#include "boo/IGraphicsContext.hpp"
#include "boo/audiodev/IAudioVoiceEngine.hpp"
#include "boo/graphicsdev/GL.hpp"
#include "boo/graphicsdev/glew.h"
#include "lib/Common.hpp"
#if BOO_HAS_VULKAN
#include "boo/graphicsdev/Vulkan.hpp"
#include <X11/Xlib-xcb.h>
#endif
#include <climits>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <memory>
#include <string>
#include <thread>
#include <unordered_set>
#include <unistd.h>
#include <GL/glx.h>
#define XK_MISCELLANY
#define XK_XKB_KEYS
#define XK_LATIN1
#include <X11/keysymdef.h>
#include <X11/XKBlib.h>
#include <X11/extensions/XInput2.h>
#include <X11/Xatom.h>
#include <X11/extensions/Xrandr.h>
#include <logvisor/logvisor.hpp>
#include "lib/x11/XlibCommon.hpp"
#define REF_DPMM 3.78138
#define FS_ATOM "_NET_WM_STATE_FULLSCREEN"
#define MWM_HINTS_FUNCTIONS (1L << 0)
#define MWM_HINTS_DECORATIONS (1L << 1)
#define MWM_DECOR_BORDER (1L << 1)
#define MWM_DECOR_RESIZEH (1L << 2)
#define MWM_DECOR_TITLE (1L << 3)
#define MWM_DECOR_MENU (1L << 4)
#define MWM_DECOR_MINIMIZE (1L << 5)
#define MWM_DECOR_MAXIMIZE (1L << 6)
#define MWM_FUNC_RESIZE (1L << 1)
#define MWM_FUNC_MOVE (1L << 2)
#define MWM_FUNC_MINIMIZE (1L << 3)
#define MWM_FUNC_MAXIMIZE (1L << 4)
#define MWM_FUNC_CLOSE (1L << 5)
#undef None
#undef False
#undef True
using glXCreateContextAttribsARBProc = GLXContext (*)(Display*, GLXFBConfig, GLXContext, Bool, const int*);
static glXCreateContextAttribsARBProc glXCreateContextAttribsARB = 0;
static bool s_glxError;
static int ctxErrorHandler(Display* dpy, XErrorEvent* ev) {
s_glxError = true;
return 0;
}
static const int ContextAttribList[7][7] = {
{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 5, GLX_CONTEXT_PROFILE_MASK_ARB,
GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 4, GLX_CONTEXT_PROFILE_MASK_ARB,
GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 3, GLX_CONTEXT_PROFILE_MASK_ARB,
GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 2, GLX_CONTEXT_PROFILE_MASK_ARB,
GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 1, GLX_CONTEXT_PROFILE_MASK_ARB,
GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 0, GLX_CONTEXT_PROFILE_MASK_ARB,
GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
{GLX_CONTEXT_MAJOR_VERSION_ARB, 3, GLX_CONTEXT_MINOR_VERSION_ARB, 3, GLX_CONTEXT_PROFILE_MASK_ARB,
GLX_CONTEXT_CORE_PROFILE_BIT_ARB, 0},
};
extern "C" const uint8_t MAINICON_NETWM[];
extern "C" const size_t MAINICON_NETWM_SZ;
namespace boo {
static logvisor::Module Log("boo::WindowXlib");
std::unique_ptr<IGraphicsCommandQueue> _NewGLCommandQueue(IGraphicsContext* parent, GLContext* glCtx);
std::unique_ptr<IGraphicsDataFactory> _NewGLDataFactory(IGraphicsContext* parent, GLContext* glCtx);
#if BOO_HAS_VULKAN
std::unique_ptr<IGraphicsCommandQueue> _NewVulkanCommandQueue(VulkanContext* ctx, VulkanContext::Window* windowCtx,
IGraphicsContext* parent);
std::unique_ptr<IGraphicsDataFactory> _NewVulkanDataFactory(IGraphicsContext* parent, VulkanContext* ctx);
#endif
void _XlibUpdateLastGlxCtx(GLXContext lastGlxCtx);
void GLXExtensionCheck();
void GLXEnableVSync(Display* disp, GLXWindow drawable);
extern int XINPUT_OPCODE;
static std::string translateUTF8(XKeyEvent* ev, XIC xIC) {
char chs[512];
KeySym ks;
Status stat;
int len = Xutf8LookupString(xIC, ev, chs, 512, &ks, &stat);
if (len > 1 && (stat == XLookupChars || stat == XLookupBoth))
return std::string(chs, len);
return std::string();
}
static char translateKeysym(XKeyEvent* ev, ESpecialKey& specialSym, EModifierKey& modifierSym) {
KeySym sym = XLookupKeysym(ev, 0);
specialSym = ESpecialKey::None;
modifierSym = EModifierKey::None;
if (sym >= XK_F1 && sym <= XK_F12)
specialSym = ESpecialKey(int(ESpecialKey::F1) + sym - XK_F1);
else if (sym == XK_Escape)
specialSym = ESpecialKey::Esc;
else if (sym == XK_Return)
specialSym = ESpecialKey::Enter;
else if (sym == XK_BackSpace)
specialSym = ESpecialKey::Backspace;
else if (sym == XK_Insert)
specialSym = ESpecialKey::Insert;
else if (sym == XK_Delete)
specialSym = ESpecialKey::Delete;
else if (sym == XK_Home)
specialSym = ESpecialKey::Home;
else if (sym == XK_End)
specialSym = ESpecialKey::End;
else if (sym == XK_Page_Up)
specialSym = ESpecialKey::PgUp;
else if (sym == XK_Page_Down)
specialSym = ESpecialKey::PgDown;
else if (sym == XK_Left)
specialSym = ESpecialKey::Left;
else if (sym == XK_Right)
specialSym = ESpecialKey::Right;
else if (sym == XK_Up)
specialSym = ESpecialKey::Up;
else if (sym == XK_Down)
specialSym = ESpecialKey::Down;
else if (sym == XK_Shift_L || sym == XK_Shift_R)
modifierSym = EModifierKey::Shift;
else if (sym == XK_Control_L || sym == XK_Control_R)
modifierSym = EModifierKey::Ctrl;
else if (sym == XK_Alt_L || sym == XK_Alt_R)
modifierSym = EModifierKey::Alt;
else {
char ch = 0;
KeySym ks;
XLookupString(ev, (char*)&ch, 1, &ks, nullptr);
return ch;
}
return 0;
}
static EModifierKey translateModifiers(unsigned state) {
EModifierKey retval = EModifierKey::None;
if (state & ShiftMask)
retval |= EModifierKey::Shift;
if (state & ControlMask)
retval |= EModifierKey::Ctrl;
if (state & Mod1Mask)
retval |= EModifierKey::Alt;
return retval;
}
static EMouseButton translateButton(unsigned detail) {
switch (detail) {
case 1:
return EMouseButton::Primary;
case 3:
return EMouseButton::Secondary;
case 2:
return EMouseButton::Middle;
case 8:
return EMouseButton::Aux1;
case 9:
return EMouseButton::Aux2;
default:
break;
}
return EMouseButton::None;
}
struct XlibAtoms {
Atom m_wmProtocols = 0;
Atom m_wmDeleteWindow = 0;
Atom m_netSupported = 0;
Atom m_netwmName = 0;
Atom m_netwmPid = 0;
Atom m_netwmIcon = 0;
Atom m_netwmIconName = 0;
Atom m_netwmState = 0;
Atom m_netwmStateFullscreen = 0;
Atom m_netwmStateAdd = 0;
Atom m_netwmStateRemove = 0;
Atom m_motifWmHints = 0;
Atom m_targets = 0;
Atom m_clipboard = 0;
Atom m_clipdata = 0;
Atom m_utf8String = 0;
Atom m_imagePng = 0;
XlibAtoms(Display* disp) {
m_wmProtocols = XInternAtom(disp, "WM_PROTOCOLS", true);
m_wmDeleteWindow = XInternAtom(disp, "WM_DELETE_WINDOW", true);
m_netSupported = XInternAtom(disp, "_NET_SUPPORTED", true);
m_netwmName = XInternAtom(disp, "_NET_WM_NAME", false);
m_netwmPid = XInternAtom(disp, "_NET_WM_PID", false);
m_netwmIcon = XInternAtom(disp, "_NET_WM_ICON", false);
m_netwmIconName = XInternAtom(disp, "_NET_WM_ICON_NAME", false);
m_netwmState = XInternAtom(disp, "_NET_WM_STATE", false);
m_netwmStateFullscreen = XInternAtom(disp, "_NET_WM_STATE_FULLSCREEN", false);
m_netwmStateAdd = XInternAtom(disp, "_NET_WM_STATE_ADD", false);
m_netwmStateRemove = XInternAtom(disp, "_NET_WM_STATE_REMOVE", false);
m_motifWmHints = XInternAtom(disp, "_MOTIF_WM_HINTS", true);
m_targets = XInternAtom(disp, "TARGETS", false);
m_clipboard = XInternAtom(disp, "CLIPBOARD", false);
m_clipdata = XInternAtom(disp, "CLIPDATA", false);
m_utf8String = XInternAtom(disp, "UTF8_STRING", false);
m_imagePng = XInternAtom(disp, "image/png", false);
}
};
static XlibAtoms* S_ATOMS = nullptr;
static Atom GetClipboardTypeAtom(EClipboardType t) {
switch (t) {
case EClipboardType::String:
return XA_STRING;
case EClipboardType::UTF8String:
return S_ATOMS->m_utf8String;
case EClipboardType::PNGImage:
return S_ATOMS->m_imagePng;
default:
return 0;
}
}
static void genFrameDefault(Screen* screen, int& xOut, int& yOut, int& wOut, int& hOut) {
float width = screen->width * 2.0 / 3.0;
float height = screen->height * 2.0 / 3.0;
xOut = (screen->width - width) / 2.0;
yOut = (screen->height - height) / 2.0;
wOut = width;
hOut = height;
}
static void genFrameDefault(XRRMonitorInfo* screen, int& xOut, int& yOut, int& wOut, int& hOut) {
float width = screen->width * 2.0 / 3.0;
float height = screen->height * 2.0 / 3.0;
xOut = (screen->width - width) / 2.0 + screen->x;
yOut = (screen->height - height) / 2.0 + screen->y;
wOut = width;
hOut = height;
}
struct GraphicsContextXlib : IGraphicsContext {
EGraphicsAPI m_api;
EPixelFormat m_pf;
uint32_t m_drawSamples;
IWindow* m_parentWindow;
GLContext* m_glCtx;
Display* m_xDisp;
GraphicsContextXlib(EGraphicsAPI api, EPixelFormat pf, IWindow* parentWindow, Display* disp, GLContext* glCtx)
: m_api(api), m_pf(pf), m_parentWindow(parentWindow), m_glCtx(glCtx), m_xDisp(disp) {}
virtual void destroy() = 0;
virtual void resized(const SWindowRect& rect) = 0;
};
struct GraphicsContextXlibGLX : GraphicsContextXlib {
GLXContext m_lastCtx = 0;
GLXFBConfig m_fbconfig = 0;
int m_visualid = 0;
int m_attribIdx = 0;
GLXWindow m_glxWindow = 0;
GLXContext m_glxCtx = 0;
std::unique_ptr<IGraphicsDataFactory> m_dataFactory;
std::unique_ptr<IGraphicsCommandQueue> m_commandQueue;
GLXContext m_mainCtx = 0;
GLXContext m_loadCtx = 0;
public:
IWindowCallback* m_callback;
GraphicsContextXlibGLX(EGraphicsAPI api, IWindow* parentWindow, Display* display, int defaultScreen,
GLXContext lastCtx, uint32_t& visualIdOut, GLContext* glCtx)
: GraphicsContextXlib(api, glCtx->m_deepColor ? EPixelFormat::RGBA16 : EPixelFormat::RGBA8, parentWindow, display,
glCtx)
, m_lastCtx(lastCtx) {
m_dataFactory = _NewGLDataFactory(this, m_glCtx);
/* Query framebuffer configurations */
GLXFBConfig* fbConfigs = nullptr;
int numFBConfigs = 0;
fbConfigs = glXGetFBConfigs(display, defaultScreen, &numFBConfigs);
if (!fbConfigs || numFBConfigs == 0) {
Log.report(logvisor::Fatal, fmt("glXGetFBConfigs failed"));
return;
}
for (int i = 0; i < numFBConfigs; ++i) {
GLXFBConfig config = fbConfigs[i];
int visualId, depthSize, colorSize, doubleBuffer;
glXGetFBConfigAttrib(display, config, GLX_VISUAL_ID, &visualId);
glXGetFBConfigAttrib(display, config, GLX_DEPTH_SIZE, &depthSize);
glXGetFBConfigAttrib(display, config, GLX_BUFFER_SIZE, &colorSize);
glXGetFBConfigAttrib(display, config, GLX_DOUBLEBUFFER, &doubleBuffer);
/* Double-buffer only */
if (!doubleBuffer || !visualId)
continue;
if (m_pf == EPixelFormat::RGBA8 && colorSize >= 32) {
m_fbconfig = config;
m_visualid = visualId;
break;
} else if (m_pf == EPixelFormat::RGBA16) {
if (colorSize >= 64) {
m_fbconfig = config;
m_visualid = visualId;
break;
} else if (!m_visualid && colorSize >= 32) {
m_fbconfig = config;
m_visualid = visualId;
}
} else if (m_pf == EPixelFormat::RGBA8_Z24 && colorSize >= 32 && depthSize >= 24) {
m_fbconfig = config;
m_visualid = visualId;
break;
} else if (m_pf == EPixelFormat::RGBAF32 && colorSize >= 128) {
m_fbconfig = config;
m_visualid = visualId;
break;
} else if (m_pf == EPixelFormat::RGBAF32_Z24 && colorSize >= 128 && depthSize >= 24) {
m_fbconfig = config;
m_visualid = visualId;
break;
}
}
XFree(fbConfigs);
if (!m_fbconfig) {
Log.report(logvisor::Fatal, fmt("unable to find suitable pixel format"));
return;
}
visualIdOut = m_visualid;
}
void destroy() override {
if (m_glxCtx) {
glXDestroyContext(m_xDisp, m_glxCtx);
m_glxCtx = nullptr;
}
if (m_glxWindow) {
glXDestroyWindow(m_xDisp, m_glxWindow);
m_glxWindow = 0;
}
if (m_loadCtx) {
glXDestroyContext(m_xDisp, m_loadCtx);
m_loadCtx = nullptr;
}
}
~GraphicsContextXlibGLX() override { destroy(); }
void resized(const SWindowRect& rect) override {}
void _setCallback(IWindowCallback* cb) override { m_callback = cb; }
EGraphicsAPI getAPI() const override { return m_api; }
EPixelFormat getPixelFormat() const override { return m_pf; }
void setPixelFormat(EPixelFormat pf) override {
if (pf > EPixelFormat::RGBAF32_Z24)
return;
m_pf = pf;
}
bool initializeContext(void*) override {
if (!glXCreateContextAttribsARB) {
glXCreateContextAttribsARB =
(glXCreateContextAttribsARBProc)glXGetProcAddressARB((const GLubyte*)"glXCreateContextAttribsARB");
if (!glXCreateContextAttribsARB)
Log.report(logvisor::Fatal, fmt("unable to resolve glXCreateContextAttribsARB"));
}
s_glxError = false;
XErrorHandler oldHandler = XSetErrorHandler(ctxErrorHandler);
for (m_attribIdx = 0; m_attribIdx < int(std::extent_v<decltype(ContextAttribList)>); ++m_attribIdx) {
m_glxCtx = glXCreateContextAttribsARB(m_xDisp, m_fbconfig, m_lastCtx, true, ContextAttribList[m_attribIdx]);
if (m_glxCtx)
break;
}
XSetErrorHandler(oldHandler);
if (!m_glxCtx)
Log.report(logvisor::Fatal, fmt("unable to make new GLX context"));
m_glxWindow = glXCreateWindow(m_xDisp, m_fbconfig, m_parentWindow->getPlatformHandle(), nullptr);
if (!m_glxWindow)
Log.report(logvisor::Fatal, fmt("unable to make new GLX window"));
_XlibUpdateLastGlxCtx(m_glxCtx);
if (!glXMakeCurrent(m_xDisp, DefaultRootWindow(m_xDisp), m_glxCtx))
Log.report(logvisor::Fatal, fmt("unable to make GLX context current"));
if (glewInit() != GLEW_OK)
Log.report(logvisor::Fatal, fmt("glewInit failed"));
glXMakeCurrent(m_xDisp, 0, 0);
XUnlockDisplay(m_xDisp);
m_commandQueue = _NewGLCommandQueue(this, m_glCtx);
m_commandQueue->startRenderer();
XLockDisplay(m_xDisp);
return true;
}
void makeCurrent() override {
XLockDisplay(m_xDisp);
if (!glXMakeContextCurrent(m_xDisp, m_glxWindow, m_glxWindow, m_glxCtx))
Log.report(logvisor::Fatal, fmt("unable to make GLX context current"));
XUnlockDisplay(m_xDisp);
}
void postInit() override {
GLXExtensionCheck();
XLockDisplay(m_xDisp);
GLXEnableVSync(m_xDisp, m_glxWindow);
XUnlockDisplay(m_xDisp);
}
IGraphicsCommandQueue* getCommandQueue() override { return m_commandQueue.get(); }
IGraphicsDataFactory* getDataFactory() override { return m_dataFactory.get(); }
IGraphicsDataFactory* getMainContextDataFactory() override {
XLockDisplay(m_xDisp);
if (!m_mainCtx) {
s_glxError = false;
XErrorHandler oldHandler = XSetErrorHandler(ctxErrorHandler);
m_mainCtx = glXCreateContextAttribsARB(m_xDisp, m_fbconfig, m_glxCtx, true, ContextAttribList[m_attribIdx]);
XSetErrorHandler(oldHandler);
if (!m_mainCtx)
Log.report(logvisor::Fatal, fmt("unable to make main GLX context"));
}
if (!glXMakeContextCurrent(m_xDisp, m_glxWindow, m_glxWindow, m_mainCtx))
Log.report(logvisor::Fatal, fmt("unable to make main GLX context current"));
XUnlockDisplay(m_xDisp);
return getDataFactory();
}
IGraphicsDataFactory* getLoadContextDataFactory() override {
XLockDisplay(m_xDisp);
if (!m_loadCtx) {
s_glxError = false;
XErrorHandler oldHandler = XSetErrorHandler(ctxErrorHandler);
m_loadCtx = glXCreateContextAttribsARB(m_xDisp, m_fbconfig, m_glxCtx, true, ContextAttribList[m_attribIdx]);
XSetErrorHandler(oldHandler);
if (!m_loadCtx)
Log.report(logvisor::Fatal, fmt("unable to make load GLX context"));
}
if (!glXMakeContextCurrent(m_xDisp, m_glxWindow, m_glxWindow, m_loadCtx))
Log.report(logvisor::Fatal, fmt("unable to make load GLX context current"));
XUnlockDisplay(m_xDisp);
return getDataFactory();
}
void present() override { glXSwapBuffers(m_xDisp, m_glxWindow); }
};
#if BOO_HAS_VULKAN
struct GraphicsContextXlibVulkan : GraphicsContextXlib {
xcb_connection_t* m_xcbConn;
VulkanContext* m_ctx;
VkSurfaceKHR m_surface = VK_NULL_HANDLE;
VkFormat m_format = VK_FORMAT_UNDEFINED;
VkColorSpaceKHR m_colorspace;
GLXFBConfig m_fbconfig = 0;
int m_visualid = 0;
std::unique_ptr<IGraphicsDataFactory> m_dataFactory;
std::unique_ptr<IGraphicsCommandQueue> m_commandQueue;
static void ThrowIfFailed(VkResult res) {
if (res != VK_SUCCESS)
Log.report(logvisor::Fatal, fmt("{}\n"), res);
}
public:
IWindowCallback* m_callback;
GraphicsContextXlibVulkan(IWindow* parentWindow, Display* display, xcb_connection_t* xcbConn, int defaultScreen,
VulkanContext* ctx, uint32_t& visualIdOut, GLContext* glCtx)
: GraphicsContextXlib(EGraphicsAPI::Vulkan, ctx->m_deepColor ? EPixelFormat::RGBA16 : EPixelFormat::RGBA8,
parentWindow, display, glCtx)
, m_xcbConn(xcbConn)
, m_ctx(ctx) {
Screen* screen = ScreenOfDisplay(display, defaultScreen);
m_visualid = screen->root_visual->visualid;
visualIdOut = screen->root_visual->visualid;
}
void destroy() override {
VulkanContext::Window& m_windowCtx = *m_ctx->m_windows[m_parentWindow];
m_windowCtx.m_swapChains[0].destroy(m_ctx->m_dev);
m_windowCtx.m_swapChains[1].destroy(m_ctx->m_dev);
if (m_surface) {
vk::DestroySurfaceKHR(m_ctx->m_instance, m_surface, nullptr);
m_surface = VK_NULL_HANDLE;
}
}
~GraphicsContextXlibVulkan() override { destroy(); }
VulkanContext::Window* m_windowCtx = nullptr;
void resized(const SWindowRect& rect) override {
if (m_windowCtx)
m_ctx->resizeSwapChain(*m_windowCtx, m_surface, m_format, m_colorspace, rect);
}
void _setCallback(IWindowCallback* cb) override { m_callback = cb; }
EGraphicsAPI getAPI() const override { return m_api; }
EPixelFormat getPixelFormat() const override { return m_pf; }
void setPixelFormat(EPixelFormat pf) override {
if (pf > EPixelFormat::RGBAF32_Z24)
return;
m_pf = pf;
}
bool initializeContext(void* getVkProc) override {
if (m_ctx->m_instance == VK_NULL_HANDLE)
m_ctx->initVulkan(APP->getUniqueName(), PFN_vkGetInstanceProcAddr(getVkProc));
if (!m_ctx->enumerateDevices())
return false;
m_windowCtx = m_ctx->m_windows.emplace(std::make_pair(m_parentWindow, std::make_unique<VulkanContext::Window>()))
.first->second.get();
VkXcbSurfaceCreateInfoKHR surfaceInfo = {};
surfaceInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
surfaceInfo.connection = m_xcbConn;
surfaceInfo.window = m_parentWindow->getPlatformHandle();
ThrowIfFailed(vk::CreateXcbSurfaceKHR(m_ctx->m_instance, &surfaceInfo, nullptr, &m_surface));
/* Iterate over each queue to learn whether it supports presenting */
VkBool32* supportsPresent = (VkBool32*)malloc(m_ctx->m_queueCount * sizeof(VkBool32));
for (uint32_t i = 0; i < m_ctx->m_queueCount; ++i)
vk::GetPhysicalDeviceSurfaceSupportKHR(m_ctx->m_gpus[0], i, m_surface, &supportsPresent[i]);
/* Search for a graphics queue and a present queue in the array of queue
* families, try to find one that supports both */
if (m_ctx->m_graphicsQueueFamilyIndex == UINT32_MAX) {
/* First window, init device */
for (uint32_t i = 0; i < m_ctx->m_queueCount; ++i) {
if ((m_ctx->m_queueProps[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) != 0) {
if (supportsPresent[i] == VK_TRUE) {
m_ctx->m_graphicsQueueFamilyIndex = i;
}
}
}
/* Generate error if could not find a queue that supports both a graphics
* and present */
if (m_ctx->m_graphicsQueueFamilyIndex == UINT32_MAX)
Log.report(logvisor::Fatal, fmt("Could not find a queue that supports both graphics and present"));
m_ctx->initDevice();
} else {
/* Subsequent window, verify present */
if (supportsPresent[m_ctx->m_graphicsQueueFamilyIndex] == VK_FALSE)
Log.report(logvisor::Fatal, fmt("subsequent surface doesn't support present"));
}
free(supportsPresent);
if (!vk::GetPhysicalDeviceXcbPresentationSupportKHR(m_ctx->m_gpus[0], m_ctx->m_graphicsQueueFamilyIndex, m_xcbConn,
m_visualid)) {
Log.report(logvisor::Fatal, fmt("XCB visual doesn't support vulkan present"));
return false;
}
/* Get the list of VkFormats that are supported */
uint32_t formatCount;
ThrowIfFailed(vk::GetPhysicalDeviceSurfaceFormatsKHR(m_ctx->m_gpus[0], m_surface, &formatCount, nullptr));
std::vector<VkSurfaceFormatKHR> surfFormats(formatCount);
ThrowIfFailed(
vk::GetPhysicalDeviceSurfaceFormatsKHR(m_ctx->m_gpus[0], m_surface, &formatCount, surfFormats.data()));
/* If the format list includes just one entry of VK_FORMAT_UNDEFINED,
* the surface has no preferred format. Otherwise, at least one
* supported format will be returned. */
if (formatCount >= 1) {
if (m_ctx->m_deepColor) {
for (uint32_t i = 0; i < formatCount; ++i) {
if (surfFormats[i].format == VK_FORMAT_R16G16B16A16_UNORM) {
m_format = surfFormats[i].format;
m_colorspace = surfFormats[i].colorSpace;
break;
}
}
}
if (m_format == VK_FORMAT_UNDEFINED) {
for (uint32_t i = 0; i < formatCount; ++i) {
if (surfFormats[i].format == VK_FORMAT_B8G8R8A8_UNORM || surfFormats[i].format == VK_FORMAT_R8G8B8A8_UNORM) {
m_format = surfFormats[i].format;
m_colorspace = surfFormats[i].colorSpace;
break;
}
}
}
} else
Log.report(logvisor::Fatal, fmt("no surface formats available for Vulkan swapchain"));
if (m_format == VK_FORMAT_UNDEFINED)
Log.report(logvisor::Fatal, fmt("no UNORM formats available for Vulkan swapchain"));
m_ctx->initSwapChain(*m_windowCtx, m_surface, m_format, m_colorspace);
m_dataFactory = _NewVulkanDataFactory(this, m_ctx);
m_commandQueue = _NewVulkanCommandQueue(m_ctx, m_ctx->m_windows[m_parentWindow].get(), this);
m_commandQueue->startRenderer();
return true;
}
void makeCurrent() override {}
void postInit() override {}
IGraphicsCommandQueue* getCommandQueue() override { return m_commandQueue.get(); }
IGraphicsDataFactory* getDataFactory() override { return m_dataFactory.get(); }
IGraphicsDataFactory* getMainContextDataFactory() override { return getDataFactory(); }
IGraphicsDataFactory* getLoadContextDataFactory() override { return getDataFactory(); }
void present() override {}
};
#endif
class WindowXlib final : public IWindow {
Display* m_xDisp;
IWindowCallback* m_callback;
Colormap m_colormapId;
Window m_windowId;
XIMStyle m_bestStyle;
XIC m_xIC = nullptr;
std::unique_ptr<GraphicsContextXlib> m_gfxCtx;
uint32_t m_visualId;
struct timespec m_waitPeriod = {0, static_cast<long int>(1000000000.0/60.0)};
struct timespec m_lastWaitTime = {};
/* Key state trackers (for auto-repeat detection) */
std::unordered_set<unsigned long> m_charKeys;
std::unordered_set<unsigned long> m_specialKeys;
std::unordered_set<unsigned long> m_modKeys;
/* Last known input device id (0xffff if not yet set) */
int m_lastInputID = 0xffff;
ETouchType m_touchType = ETouchType::None;
/* Scroll valuators */
int m_hScrollValuator = -1;
int m_vScrollValuator = -1;
double m_hScrollLast = 0.0;
double m_vScrollLast = 0.0;
/* Cached window rectangle (to avoid repeated X queries) */
boo::SWindowRect m_wrect;
float m_pixelFactor;
bool m_inFs = false;
/* Cached window style */
EWindowStyle m_styleFlags;
/* Current cursor enum */
EMouseCursor m_cursor = EMouseCursor::None;
bool m_cursorWait = false;
static Cursor GetXCursor(EMouseCursor cur) {
switch (cur) {
case EMouseCursor::Pointer:
return X_CURSORS.m_pointer;
case EMouseCursor::HorizontalArrow:
return X_CURSORS.m_hArrow;
case EMouseCursor::VerticalArrow:
return X_CURSORS.m_vArrow;
case EMouseCursor::IBeam:
return X_CURSORS.m_ibeam;
case EMouseCursor::Crosshairs:
return X_CURSORS.m_crosshairs;
default:
break;
}
return X_CURSORS.m_pointer;
}
bool m_openGL = false;
public:
WindowXlib(std::string_view title, Display* display, void* xcbConn, int defaultScreen, XIM xIM,
XIMStyle bestInputStyle, XFontSet fontset, GLXContext lastCtx, void* vulkanHandle, GLContext* glCtx)
: m_xDisp(display), m_callback(nullptr), m_bestStyle(bestInputStyle) {
BOO_MSAN_NO_INTERCEPT
if (!S_ATOMS)
S_ATOMS = new XlibAtoms(display);
for (int i = 1; i >= 0; --i) {
#if BOO_HAS_VULKAN
if (vulkanHandle && i == 1) {
m_gfxCtx.reset(new GraphicsContextXlibVulkan(this, display, (xcb_connection_t*)xcbConn, defaultScreen,
&g_VulkanContext, m_visualId, glCtx));
} else
#endif
{
i = 0;
m_gfxCtx.reset(new GraphicsContextXlibGLX(IGraphicsContext::EGraphicsAPI::OpenGL3_3, this, display,
defaultScreen, lastCtx, m_visualId, glCtx));
m_openGL = true;
Log.report(logvisor::Warning, fmt("OPENGL HAS BEEN DEPRECATED, IT IS HIGHLY RECOMMENDED TO BUILD AND USE VULKAN INSTEAD"));
}
XVisualInfo visTemplate;
visTemplate.screen = defaultScreen;
int numVisuals;
XVisualInfo* visualList = XGetVisualInfo(display, VisualScreenMask, &visTemplate, &numVisuals);
Visual* selectedVisual = nullptr;
for (int i = 0; i < numVisuals; ++i) {
if (visualList[i].visualid == m_visualId) {
selectedVisual = visualList[i].visual;
break;
}
}
XFree(visualList);
/* Create colormap */
Screen* screen = ScreenOfDisplay(display, defaultScreen);
m_colormapId = XCreateColormap(m_xDisp, screen->root, selectedVisual, AllocNone);
/* Create window */
int x, y, w, h;
int nmonitors = 0;
XRRMonitorInfo* mInfo = XRRGetMonitors(m_xDisp, screen->root, true, &nmonitors);
BOO_MSAN_UNPOISON(mInfo, sizeof(XRRMonitorInfo) * nmonitors);
if (nmonitors) {
genFrameDefault(mInfo, x, y, w, h);
m_pixelFactor = mInfo->width / (float)mInfo->mwidth / REF_DPMM;
} else {
genFrameDefault(screen, x, y, w, h);
m_pixelFactor = screen->width / (float)screen->mwidth / REF_DPMM;
}
XRRFreeMonitors(mInfo);
XSetWindowAttributes swa;
swa.colormap = m_colormapId;
swa.border_pixmap = 0;
swa.event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
PointerMotionMask | ExposureMask | StructureNotifyMask | LeaveWindowMask | EnterWindowMask;
m_windowId = XCreateWindow(display, screen->root, x, y, w, h, 10, CopyFromParent, CopyFromParent, selectedVisual,
CWBorderPixel | CWEventMask | CWColormap, &swa);
/*
* Now go create an IC using the style we chose.
* Also set the window and fontset attributes now.
*/
if (xIM) {
XPoint pt = {0, 0};
XVaNestedList nlist;
m_xIC = XCreateIC(xIM, XNInputStyle, bestInputStyle, XNClientWindow, m_windowId, XNFocusWindow, m_windowId,
XNPreeditAttributes,
nlist = XVaCreateNestedList(0, XNSpotLocation, &pt, XNFontSet, fontset, nullptr), nullptr);
XFree(nlist);
long im_event_mask;
XGetICValues(m_xIC, XNFilterEvents, &im_event_mask, nullptr);
XSelectInput(display, m_windowId, swa.event_mask | im_event_mask);
XSetICFocus(m_xIC);
}
/* The XInput 2.1 extension enables per-pixel smooth scrolling trackpads */
XIEventMask mask = {XIAllMasterDevices, XIMaskLen(XI_LASTEVENT)};
mask.mask = (unsigned char*)malloc(mask.mask_len);
memset(mask.mask, 0, mask.mask_len);
/* XISetMask(mask.mask, XI_Motion); Can't do this without losing mouse move events :( */
XISetMask(mask.mask, XI_TouchBegin);
XISetMask(mask.mask, XI_TouchUpdate);
XISetMask(mask.mask, XI_TouchEnd);
XISelectEvents(m_xDisp, m_windowId, &mask, 1);
free(mask.mask);
/* Register netwm extension atom for window closing */
XSetWMProtocols(m_xDisp, m_windowId, &S_ATOMS->m_wmDeleteWindow, 1);
/* Set the title of the window */
if (S_ATOMS->m_netwmName) {
XChangeProperty(m_xDisp, m_windowId, S_ATOMS->m_netwmName, S_ATOMS->m_utf8String, 8,
PropModeReplace, (unsigned char*)title.data(), title.length());
}
XStoreName(m_xDisp, m_windowId, title.data());
/* Set the title of the window icon */
XChangeProperty(m_xDisp, m_windowId, XA_WM_ICON_NAME, XA_STRING, 8, PropModeReplace,
(unsigned char*)title.data(), title.length());
/* Add window icon */
if (MAINICON_NETWM_SZ && S_ATOMS->m_netwmIcon) {
XChangeProperty(m_xDisp, m_windowId, S_ATOMS->m_netwmIcon, XA_CARDINAL, 32, PropModeReplace, MAINICON_NETWM,
MAINICON_NETWM_SZ / sizeof(unsigned long));
}
/* Set the pid of the window */
if (S_ATOMS->m_netwmPid) {
pid_t pid = getpid();
XChangeProperty(m_xDisp, m_windowId, S_ATOMS->m_netwmPid, XA_CARDINAL, 32,
PropModeReplace, (unsigned char*)&pid, 1);
}
/* Initialize context */
XMapWindow(m_xDisp, m_windowId);
setStyle(EWindowStyle::Default);
setCursor(EMouseCursor::Pointer);
setWindowFrameDefault();
double hz = getWindowRefreshRate();
uint64_t nanos = uint64_t(1000000000.0 / hz);
m_waitPeriod = {nanos / 1000000000, nanos % 1000000000};
XFlush(m_xDisp);
if (!m_gfxCtx->initializeContext(vulkanHandle)) {
XUnmapWindow(m_xDisp, m_windowId);
XDestroyWindow(m_xDisp, m_windowId);
XFreeColormap(m_xDisp, m_colormapId);
continue;
}
break;
}
}
~WindowXlib() override {
_cleanup();
if (APP)
APP->_deletedWindow(this);
}
void setCallback(IWindowCallback* cb) override {
XLockDisplay(m_xDisp);
m_callback = cb;
XUnlockDisplay(m_xDisp);
}
void closeWindow() override {
// TODO: Free window resources and prevent further access
XLockDisplay(m_xDisp);
XUnmapWindow(m_xDisp, m_windowId);
XUnlockDisplay(m_xDisp);
}
void showWindow() override {
XLockDisplay(m_xDisp);
XMapWindow(m_xDisp, m_windowId);
XUnlockDisplay(m_xDisp);
}
void hideWindow() override {
XLockDisplay(m_xDisp);
XUnmapWindow(m_xDisp, m_windowId);
XUnlockDisplay(m_xDisp);
}
std::string getTitle() override {
unsigned long nitems;
Atom actualType;
int actualFormat;
unsigned long bytes;
unsigned char* string = nullptr;
XLockDisplay(m_xDisp);
int ret = XGetWindowProperty(m_xDisp, m_windowId, XA_WM_NAME, 0, ~0l, false, XA_STRING, &actualType, &actualFormat,
&nitems, &bytes, &string);
XUnlockDisplay(m_xDisp);
if (ret == Success) {
std::string retval((const char*)string);
XFree(string);
return retval;
}
return std::string();
}
void setTitle(std::string_view title) override {
XLockDisplay(m_xDisp);
/* Set the title of the window */
if (S_ATOMS->m_netwmName) {
XChangeProperty(m_xDisp, m_windowId, S_ATOMS->m_netwmName, S_ATOMS->m_utf8String, 8,
PropModeReplace, (unsigned char*)title.data(), title.length());
}
XStoreName(m_xDisp, m_windowId, title.data());
/* Set the title of the window icon */
XChangeProperty(m_xDisp, m_windowId, XA_WM_ICON_NAME, XA_STRING, 8, PropModeReplace,
(unsigned char*)title.data(), title.length());
XUnlockDisplay(m_xDisp);
}
void setCursor(EMouseCursor cursor) override {
if (cursor == m_cursor && !m_cursorWait)
return;
m_cursor = cursor;
XLockDisplay(m_xDisp);
XDefineCursor(m_xDisp, m_windowId, GetXCursor(cursor));
XUnlockDisplay(m_xDisp);
}
void setWaitCursor(bool wait) override {
if (wait && !m_cursorWait) {
XLockDisplay(m_xDisp);
XDefineCursor(m_xDisp, m_windowId, X_CURSORS.m_wait);
XUnlockDisplay(m_xDisp);
m_cursorWait = true;
} else if (!wait && m_cursorWait) {
setCursor(m_cursor);
m_cursorWait = false;
}
}
static double calculateRefreshRate(const XRRModeInfo& mi) {
if (mi.hTotal && mi.vTotal)
return double(mi.dotClock) / (double(mi.hTotal) * double(mi.vTotal));
else
return 60.0;
}
double getWindowRefreshRate() const override {
BOO_MSAN_NO_INTERCEPT
double ret = 60.0;
int nmonitors;
Screen* screen = DefaultScreenOfDisplay(m_xDisp);
XRRMonitorInfo* mInfo = XRRGetMonitors(m_xDisp, screen->root, true, &nmonitors);
BOO_MSAN_UNPOISON(mInfo, sizeof(XRRMonitorInfo) * nmonitors);
if (nmonitors) {
XRRScreenResources* res = XRRGetScreenResourcesCurrent(m_xDisp, screen->root);
XRROutputInfo* oinfo = XRRGetOutputInfo(m_xDisp, res, *mInfo->outputs);
XRRCrtcInfo* ci = XRRGetCrtcInfo(m_xDisp, res, oinfo->crtc);
for (int i = 0; i < res->nmode; ++i) {
const XRRModeInfo& mode = res->modes[i];
BOO_MSAN_UNPOISON(&mode, sizeof(XRRModeInfo));
if (mode.id == ci->mode) {
ret = calculateRefreshRate(mode);
break;
}
}
XRRFreeCrtcInfo(ci);
XRRFreeOutputInfo(oinfo);
XRRFreeScreenResources(res);
}
XRRFreeMonitors(mInfo);
return ret;
}
void setWindowFrameDefault() override {
BOO_MSAN_NO_INTERCEPT
int x, y, w, h, nmonitors;
Screen* screen = DefaultScreenOfDisplay(m_xDisp);
XRRMonitorInfo* mInfo = XRRGetMonitors(m_xDisp, screen->root, true, &nmonitors);
BOO_MSAN_UNPOISON(mInfo, sizeof(XRRMonitorInfo) * nmonitors);
if (nmonitors)
genFrameDefault(mInfo, x, y, w, h);
else
genFrameDefault(screen, x, y, w, h);
XRRFreeMonitors(mInfo);
XWindowChanges values = {(int)x, (int)y, (int)w, (int)h};
XLockDisplay(m_xDisp);
XConfigureWindow(m_xDisp, m_windowId, CWX | CWY | CWWidth | CWHeight, &values);
XUnlockDisplay(m_xDisp);
}
void getWindowFrame(float& xOut, float& yOut, float& wOut, float& hOut) const override {
BOO_MSAN_NO_INTERCEPT
XWindowAttributes attrs = {};
XLockDisplay(m_xDisp);
XGetWindowAttributes(m_xDisp, m_windowId, &attrs);
XUnlockDisplay(m_xDisp);
xOut = attrs.x;
yOut = attrs.y;
wOut = attrs.width;
hOut = attrs.height;
}
void getWindowFrame(int& xOut, int& yOut, int& wOut, int& hOut) const override {
BOO_MSAN_NO_INTERCEPT
XWindowAttributes attrs = {};
XLockDisplay(m_xDisp);
XGetWindowAttributes(m_xDisp, m_windowId, &attrs);
XUnlockDisplay(m_xDisp);
xOut = attrs.x;
yOut = attrs.y;
wOut = attrs.width;
hOut = attrs.height;
}
void setWindowFrame(float x, float y, float w, float h) override {
BOO_MSAN_NO_INTERCEPT
XWindowChanges values = {(int)x, (int)y, (int)w, (int)h};
XLockDisplay(m_xDisp);
XConfigureWindow(m_xDisp, m_windowId, CWX | CWY | CWWidth | CWHeight, &values);
XUnlockDisplay(m_xDisp);
}
void setWindowFrame(int x, int y, int w, int h) override {
BOO_MSAN_NO_INTERCEPT
XWindowChanges values = {x, y, w, h};
XLockDisplay(m_xDisp);
XConfigureWindow(m_xDisp, m_windowId, CWX | CWY | CWWidth | CWHeight, &values);
XUnlockDisplay(m_xDisp);
}
float getVirtualPixelFactor() const override { return m_pixelFactor; }
bool isFullscreen() const override {
return m_inFs;
unsigned long nitems;
Atom actualType;
int actualFormat;
unsigned long bytes;
Atom* vals = nullptr;
bool fullscreen = false;
XLockDisplay(m_xDisp);
int ret = XGetWindowProperty(m_xDisp, m_windowId, S_ATOMS->m_netwmState, 0, ~0l, false, XA_ATOM, &actualType,
&actualFormat, &nitems, &bytes, (unsigned char**)&vals);
XUnlockDisplay(m_xDisp);
if (ret == Success) {
for (unsigned long i = 0; i < nitems; ++i) {
if (vals[i] == S_ATOMS->m_netwmStateFullscreen) {
fullscreen = true;
break;
}
}
XFree(vals);
return fullscreen;
}
return false;
}
void setStyle(EWindowStyle style) override {
struct {
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long inputMode;
unsigned long status;
} wmHints = {0};
if (S_ATOMS->m_motifWmHints) {
wmHints.flags = MWM_HINTS_DECORATIONS | MWM_HINTS_FUNCTIONS;
if (True(style & EWindowStyle::Titlebar)) {
wmHints.decorations |= MWM_DECOR_BORDER | MWM_DECOR_TITLE | MWM_DECOR_MINIMIZE | MWM_DECOR_MENU;
wmHints.functions |= MWM_FUNC_MOVE | MWM_FUNC_MINIMIZE;
}
if (True(style & EWindowStyle::Resize)) {
wmHints.decorations |= MWM_DECOR_MAXIMIZE | MWM_DECOR_RESIZEH;
wmHints.functions |= MWM_FUNC_RESIZE | MWM_FUNC_MAXIMIZE;
}
if (True(style & EWindowStyle::Close))
wmHints.functions |= MWM_FUNC_CLOSE;
XLockDisplay(m_xDisp);
XChangeProperty(m_xDisp, m_windowId, S_ATOMS->m_motifWmHints, S_ATOMS->m_motifWmHints, 32, PropModeReplace,
(unsigned char*)&wmHints, 5);
XUnlockDisplay(m_xDisp);
}
m_styleFlags = style;
}
EWindowStyle getStyle() const override { return m_styleFlags; }
void setFullscreen(bool fs) override {
if (fs == m_inFs)
return;
XEvent fsEvent = {0};
fsEvent.xclient.type = ClientMessage;
fsEvent.xclient.serial = 0;
fsEvent.xclient.send_event = true;
fsEvent.xclient.window = m_windowId;
fsEvent.xclient.message_type = S_ATOMS->m_netwmState;
fsEvent.xclient.format = 32;
fsEvent.xclient.data.l[0] = fs;
fsEvent.xclient.data.l[1] = S_ATOMS->m_netwmStateFullscreen;
fsEvent.xclient.data.l[2] = 0;
XLockDisplay(m_xDisp);
XSendEvent(m_xDisp, DefaultRootWindow(m_xDisp), false, StructureNotifyMask | SubstructureRedirectMask,
(XEvent*)&fsEvent);
XUnlockDisplay(m_xDisp);
m_inFs = fs;
}
struct ClipData {
EClipboardType m_type = EClipboardType::None;
std::unique_ptr<uint8_t[]> m_data;
size_t m_sz = 0;
void clear() {
m_type = EClipboardType::None;
m_data.reset();
m_sz = 0;
}
} m_clipData;
void claimKeyboardFocus(const int coord[2]) override {
if (m_xIC) {
XLockDisplay(m_xDisp);
if (!coord) {
XUnsetICFocus(m_xIC);
XUnlockDisplay(m_xDisp);
return;
}
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
XPoint pt = {short(coord[0]), short(m_wrect.size[1] - coord[1])};
XVaNestedList list = XVaCreateNestedList(0, XNSpotLocation, &pt, nullptr);
XSetICValues(m_xIC, XNPreeditAttributes, list, nullptr);
XFree(list);
XSetICFocus(m_xIC);
XUnlockDisplay(m_xDisp);
}
}
bool clipboardCopy(EClipboardType type, const uint8_t* data, size_t sz) override {
Atom xType = GetClipboardTypeAtom(type);
if (!xType)
return false;
XLockDisplay(m_xDisp);
m_clipData.m_type = type;
m_clipData.m_data.reset(new uint8_t[sz]);
m_clipData.m_sz = sz;
memcpy(m_clipData.m_data.get(), data, sz);
XSetSelectionOwner(m_xDisp, S_ATOMS->m_clipboard, m_windowId, CurrentTime);
XUnlockDisplay(m_xDisp);
return true;
}
std::unique_ptr<uint8_t[]> clipboardPaste(EClipboardType type, size_t& sz) override {
Atom xType = GetClipboardTypeAtom(type);
if (!xType)
return {};
XLockDisplay(m_xDisp);
XConvertSelection(m_xDisp, S_ATOMS->m_clipboard, xType, S_ATOMS->m_clipdata, m_windowId, CurrentTime);
XFlush(m_xDisp);
XEvent event;
for (int i = 0; i < 20; ++i) {
if (XCheckTypedWindowEvent(m_xDisp, m_windowId, SelectionNotify, &event)) {
if (event.xselection.property != 0) {
XSync(m_xDisp, false);
unsigned long nitems, rem;
int format;
unsigned char* data;
Atom type;
// Atom t1 = S_ATOMS->m_clipboard;
// Atom t2 = S_ATOMS->m_clipdata;
if (XGetWindowProperty(m_xDisp, m_windowId, S_ATOMS->m_clipdata, 0, 32, false, AnyPropertyType, &type,
&format, &nitems, &rem, &data)) {
Log.report(logvisor::Fatal, fmt("Clipboard allocation failed"));
XUnlockDisplay(m_xDisp);
return {};
}
if (rem != 0) {
Log.report(logvisor::Fatal, fmt("partial clipboard read"));
XUnlockDisplay(m_xDisp);
return {};
}
sz = nitems * format / 8;
std::unique_ptr<uint8_t[]> ret(new uint8_t[sz]);
memcpy(ret.get(), data, sz);
XFree(data);
XUnlockDisplay(m_xDisp);
return ret;
}
XUnlockDisplay(m_xDisp);
return {};
}
if (XCheckTypedWindowEvent(m_xDisp, m_windowId, SelectionRequest, &event) &&
event.xselectionrequest.owner == m_windowId)
handleSelectionRequest(&event.xselectionrequest);
if (XCheckTypedWindowEvent(m_xDisp, m_windowId, SelectionClear, &event) &&
event.xselectionclear.window == m_windowId)
m_clipData.clear();
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}
XUnlockDisplay(m_xDisp);
return {};
}
void handleSelectionRequest(XSelectionRequestEvent* se) {
XEvent reply;
reply.xselection.type = SelectionNotify;
reply.xselection.display = m_xDisp;
reply.xselection.requestor = se->requestor;
reply.xselection.selection = se->selection;
reply.xselection.target = se->target;
reply.xselection.time = se->time;
reply.xselection.property = se->property;
if (se->target == S_ATOMS->m_targets) {
Atom ValidTargets[] = {GetClipboardTypeAtom(m_clipData.m_type)};
XChangeProperty(m_xDisp, se->requestor, se->property, XA_ATOM, 32, 0, (unsigned char*)ValidTargets,
m_clipData.m_type != EClipboardType::None);
} else {
if (se->target == GetClipboardTypeAtom(m_clipData.m_type)) {
XChangeProperty(m_xDisp, se->requestor, se->property, se->target, 8, PropModeReplace, m_clipData.m_data.get(),
m_clipData.m_sz);
} else
reply.xselection.property = 0;
}
XSendEvent(m_xDisp, se->requestor, false, 0, &reply);
}
#define NSEC_PER_SEC 1000000000
static void set_normalized_timespec(struct timespec& ts, time_t sec, int64_t nsec) {
while (nsec >= NSEC_PER_SEC) {
nsec -= NSEC_PER_SEC;
++sec;
}
while (nsec < 0) {
nsec += NSEC_PER_SEC;
--sec;
}
ts.tv_sec = sec;
ts.tv_nsec = nsec;
}
static struct timespec timespec_add(const struct timespec& lhs, const struct timespec& rhs) {
struct timespec ts_delta;
set_normalized_timespec(ts_delta, lhs.tv_sec + rhs.tv_sec,
lhs.tv_nsec + rhs.tv_nsec);
return ts_delta;
}
static struct timespec timespec_sub(const struct timespec& lhs, const struct timespec& rhs) {
struct timespec ts_delta;
set_normalized_timespec(ts_delta, lhs.tv_sec - rhs.tv_sec,
lhs.tv_nsec - rhs.tv_nsec);
return ts_delta;
}
static inline long int timespec_compare(const struct timespec& lhs, const struct timespec& rhs)
{
if (lhs.tv_sec < rhs.tv_sec)
return -1;
if (lhs.tv_sec > rhs.tv_sec)
return 1;
return lhs.tv_nsec - rhs.tv_nsec;
}
int waitForRetrace() override {
BOO_MSAN_NO_INTERCEPT
struct timespec tp = {};
clock_gettime(CLOCK_REALTIME, &tp);
if (!m_lastWaitTime.tv_sec) {
/* Initialize reference point */
sched_param prio = {75};
sched_setscheduler(0, SCHED_RR, &prio);
m_lastWaitTime = tp;
return 0;
}
m_lastWaitTime = timespec_add(m_lastWaitTime, m_waitPeriod);
long int comp = timespec_compare(m_lastWaitTime, tp);
if (comp == 0) {
/* Exactly at the due date */
return 1;
} else if (comp > 0) {
/* Not at due date yet, sleep here */
struct timespec wait_time = timespec_sub(m_lastWaitTime, tp);
while (nanosleep(&wait_time, &wait_time)) {}
return 1;
} else {
/* Missed due date, assign next one and return passed cycle count */
int cycles = 0;
do {
m_lastWaitTime = timespec_add(m_lastWaitTime, m_waitPeriod);
++cycles;
} while (timespec_compare(m_lastWaitTime, tp) < 0);
return cycles;
}
}
uintptr_t getPlatformHandle() const override { return (uintptr_t)m_windowId; }
void _pointingDeviceChanged(int deviceId) {
int nDevices;
XIDeviceInfo* devices = XIQueryDevice(m_xDisp, deviceId, &nDevices);
for (int i = 0; i < nDevices; ++i) {
XIDeviceInfo* device = &devices[i];
/* First iterate classes for scrollables */
int hScroll = -1;
int vScroll = -1;
m_hScrollLast = 0.0;
m_vScrollLast = 0.0;
m_hScrollValuator = -1;
m_vScrollValuator = -1;
for (int j = 0; j < device->num_classes; ++j) {
XIAnyClassInfo* dclass = device->classes[j];
if (dclass->type == XIScrollClass) {
XIScrollClassInfo* scrollClass = (XIScrollClassInfo*)dclass;
if (scrollClass->scroll_type == XIScrollTypeVertical)
vScroll = scrollClass->number;
else if (scrollClass->scroll_type == XIScrollTypeHorizontal)
hScroll = scrollClass->number;
}
}
/* Next iterate for touch and scroll valuators */
for (int j = 0; j < device->num_classes; ++j) {
XIAnyClassInfo* dclass = device->classes[j];
if (dclass->type == XIValuatorClass) {
XIValuatorClassInfo* valClass = (XIValuatorClassInfo*)dclass;
if (valClass->number == vScroll) {
m_vScrollLast = valClass->value;
m_vScrollValuator = vScroll;
} else if (valClass->number == hScroll) {
m_hScrollLast = valClass->value;
m_hScrollValuator = hScroll;
}
} else if (dclass->type == XITouchClass) {
XITouchClassInfo* touchClass = (XITouchClassInfo*)dclass;
if (touchClass->mode == XIDirectTouch)
m_touchType = ETouchType::Display;
else if (touchClass->mode == XIDependentTouch)
m_touchType = ETouchType::Trackpad;
else
m_touchType = ETouchType::None;
}
}
}
XIFreeDeviceInfo(devices);
m_lastInputID = deviceId;
}
SWindowCoord MakeButtonEventCoord(XEvent* event) const {
int x = event->xbutton.x;
int y = m_wrect.size[1] - event->xbutton.y;
return {{x, y},
{int(x / m_pixelFactor), int(y / m_pixelFactor)},
{x / float(m_wrect.size[0]), y / float(m_wrect.size[1])}};
}
SWindowCoord MakeMotionEventCoord(XEvent* event) const {
int x = event->xmotion.x;
int y = m_wrect.size[1] - event->xmotion.y;
return {{x, y},
{int(x / m_pixelFactor), int(y / m_pixelFactor)},
{x / float(m_wrect.size[0]), y / float(m_wrect.size[1])}};
}
SWindowCoord MakeCrossingEventCoord(XEvent* event) const {
int x = event->xcrossing.x;
int y = m_wrect.size[1] - event->xcrossing.y;
return {{x, y},
{int(x / m_pixelFactor), int(y / m_pixelFactor)},
{x / float(m_wrect.size[0]), y / float(m_wrect.size[1])}};
}
#if 0
/* This procedure sets the application's size constraints and returns
* the IM's preferred size for either the Preedit or Status areas,
* depending on the value of the name argument. The area argument is
* used to pass the constraints and to return the preferred size.
*/
void GetPreferredGeometry(const char* name, XRectangle* area)
{
XVaNestedList list;
list = XVaCreateNestedList(0, XNAreaNeeded, area, nullptr);
/* set the constraints */
XSetICValues(m_xIC, name, list, nullptr);
/* query the preferred size */
XGetICValues(m_xIC, name, list, nullptr);
XFree(list);
}
/* This procedure sets the geometry of either the Preedit or Status
* Areas, depending on the value of the name argument.
*/
void SetGeometry(const char* name, XRectangle* area)
{
XVaNestedList list;
list = XVaCreateNestedList(0, XNArea, area, nullptr);
XSetICValues(m_xIC, name, list, nullptr);
XFree(list);
}
#endif
bool _incomingEvent(void* e) override {
XEvent* event = (XEvent*)e;
switch (event->type) {
case SelectionRequest: {
handleSelectionRequest(&event->xselectionrequest);
return false;
}
case ClientMessage: {
if (Atom(event->xclient.data.l[0]) == S_ATOMS->m_wmDeleteWindow && m_callback) {
m_callback->destroyed();
m_callback = nullptr;
return true;
}
return false;
}
case Expose: {
Window nw = 0;
XWindowAttributes wxa = {};
int x = 0, y = 0;
XTranslateCoordinates(m_xDisp, m_windowId, DefaultRootWindow(m_xDisp), event->xexpose.x, event->xexpose.y, &x, &y,
&nw);
XGetWindowAttributes(m_xDisp, m_windowId, &wxa);
m_wrect.location[0] = x - wxa.x;
m_wrect.location[1] = y - wxa.y;
#if 0
/* This breaks with GNOME, why? */
m_wrect.size[0] = event->xexpose.width;
m_wrect.size[1] = event->xexpose.height;
#else
m_wrect.size[0] = wxa.width;
m_wrect.size[1] = wxa.height;
#endif
if (m_callback) {
XUnlockDisplay(m_xDisp);
m_gfxCtx->resized(m_wrect);
m_callback->resized(m_wrect, m_openGL);
XLockDisplay(m_xDisp);
}
return false;
}
case ConfigureNotify: {
Window nw = 0;
XWindowAttributes wxa = {};
int x = 0, y = 0;
XTranslateCoordinates(m_xDisp, m_windowId, DefaultRootWindow(m_xDisp), event->xconfigure.x, event->xconfigure.y,
&x, &y, &nw);
XGetWindowAttributes(m_xDisp, m_windowId, &wxa);
m_wrect.location[0] = x - wxa.x;
m_wrect.location[1] = y - wxa.y;
m_wrect.size[0] = event->xconfigure.width;
m_wrect.size[1] = event->xconfigure.height;
if (m_callback)
m_callback->windowMoved(m_wrect);
return false;
}
case KeyPress: {
if (m_callback) {
ESpecialKey specialKey;
EModifierKey modifierKey;
unsigned int state = event->xkey.state;
event->xkey.state &= ~ControlMask;
ITextInputCallback* inputCb = m_callback->getTextInputCallback();
if (m_xIC) {
std::string utf8Frag = translateUTF8(&event->xkey, m_xIC);
if (utf8Frag.size()) {
if (inputCb)
inputCb->insertText(utf8Frag);
return false;
}
}
char charCode = translateKeysym(&event->xkey, specialKey, modifierKey);
EModifierKey modifierMask = translateModifiers(state);
if (charCode) {
if (inputCb && False(modifierMask & (EModifierKey::Ctrl | EModifierKey::Command)))
inputCb->insertText(std::string(1, charCode));
bool isRepeat = m_charKeys.find(charCode) != m_charKeys.cend();
m_callback->charKeyDown(charCode, modifierMask, isRepeat);
if (!isRepeat)
m_charKeys.insert(charCode);
} else if (specialKey != ESpecialKey::None) {
bool isRepeat = m_specialKeys.find((unsigned long)specialKey) != m_specialKeys.cend();
m_callback->specialKeyDown(specialKey, modifierMask, isRepeat);
if (!isRepeat)
m_specialKeys.insert((unsigned long)specialKey);
} else if (True(modifierKey)) {
bool isRepeat = m_modKeys.find((unsigned long)modifierKey) != m_modKeys.cend();
m_callback->modKeyDown(modifierKey, isRepeat);
if (!isRepeat)
m_modKeys.insert((unsigned long)modifierKey);
}
}
return false;
}
case KeyRelease: {
if (m_callback) {
ESpecialKey specialKey;
EModifierKey modifierKey;
unsigned int state = event->xkey.state;
event->xkey.state &= ~ControlMask;
char charCode = translateKeysym(&event->xkey, specialKey, modifierKey);
EModifierKey modifierMask = translateModifiers(state);
if (charCode) {
m_charKeys.erase(charCode);
m_callback->charKeyUp(charCode, modifierMask);
} else if (specialKey != ESpecialKey::None) {
m_specialKeys.erase((unsigned long)specialKey);
m_callback->specialKeyUp(specialKey, modifierMask);
} else if (True(modifierKey)) {
m_modKeys.erase((unsigned long)modifierKey);
m_callback->modKeyUp(modifierKey);
}
}
return false;
}
case ButtonPress: {
if (m_callback) {
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
EMouseButton button = translateButton(event->xbutton.button);
if (button != EMouseButton::None) {
EModifierKey modifierMask = translateModifiers(event->xbutton.state);
m_callback->mouseDown(MakeButtonEventCoord(event), (EMouseButton)button, (EModifierKey)modifierMask);
}
/* Also handle legacy scroll events here */
if (event->xbutton.button >= 4 && event->xbutton.button <= 7 && m_hScrollValuator == -1 &&
m_vScrollValuator == -1) {
SScrollDelta scrollDelta = {{0.0, 0.0}, false};
if (event->xbutton.button == 4)
scrollDelta.delta[1] = 1.0;
else if (event->xbutton.button == 5)
scrollDelta.delta[1] = -1.0;
else if (event->xbutton.button == 6)
scrollDelta.delta[0] = 1.0;
else if (event->xbutton.button == 7)
scrollDelta.delta[0] = -1.0;
m_callback->scroll(MakeButtonEventCoord(event), scrollDelta);
}
}
return false;
}
case ButtonRelease: {
if (m_callback) {
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
EMouseButton button = translateButton(event->xbutton.button);
if (button != EMouseButton::None) {
EModifierKey modifierMask = translateModifiers(event->xbutton.state);
m_callback->mouseUp(MakeButtonEventCoord(event), (EMouseButton)button, (EModifierKey)modifierMask);
}
}
return false;
}
case FocusIn: {
if (m_callback)
m_callback->focusGained();
return false;
}
case FocusOut: {
if (m_callback)
m_callback->focusLost();
return false;
}
case MotionNotify: {
if (m_callback) {
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
m_callback->mouseMove(MakeMotionEventCoord(event));
}
return false;
}
case EnterNotify: {
if (m_callback) {
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
m_callback->mouseEnter(MakeCrossingEventCoord(event));
}
return false;
}
case LeaveNotify: {
if (m_callback) {
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
m_callback->mouseLeave(MakeCrossingEventCoord(event));
}
return false;
}
case GenericEvent: {
if (event->xgeneric.extension == XINPUT_OPCODE) {
getWindowFrame(m_wrect.location[0], m_wrect.location[1], m_wrect.size[0], m_wrect.size[1]);
switch (event->xgeneric.evtype) {
case XI_Motion: {
fmt::print(stderr, fmt("motion\n"));
XIDeviceEvent* ev = (XIDeviceEvent*)event;
if (m_lastInputID != ev->deviceid)
_pointingDeviceChanged(ev->deviceid);
int cv = 0;
double newScroll[2] = {m_hScrollLast, m_vScrollLast};
bool didScroll = false;
for (int i = 0; i < ev->valuators.mask_len * 8; ++i) {
if (XIMaskIsSet(ev->valuators.mask, i)) {
if (i == m_hScrollValuator) {
newScroll[0] = ev->valuators.values[cv];
didScroll = true;
} else if (i == m_vScrollValuator) {
newScroll[1] = ev->valuators.values[cv];
didScroll = true;
}
++cv;
}
}
SScrollDelta scrollDelta = {{newScroll[0] - m_hScrollLast, newScroll[1] - m_vScrollLast}, true};
m_hScrollLast = newScroll[0];
m_vScrollLast = newScroll[1];
if (m_callback && didScroll) {
int event_x = int(ev->event_x) >> 16;
int event_y = m_wrect.size[1] - (int(ev->event_y) >> 16);
SWindowCoord coord = {{event_x, event_y},
{int(event_x / m_pixelFactor), int(event_y / m_pixelFactor)},
{event_x / float(m_wrect.size[0]), event_y / float(m_wrect.size[1])}};
m_callback->scroll(coord, scrollDelta);
}
return false;
}
case XI_TouchBegin: {
XIDeviceEvent* ev = (XIDeviceEvent*)event;
if (m_lastInputID != ev->deviceid)
_pointingDeviceChanged(ev->deviceid);
int cv = 0;
double vals[32] = {};
for (int i = 0; i < ev->valuators.mask_len * 8 && i < 32; ++i) {
if (XIMaskIsSet(ev->valuators.mask, i)) {
vals[i] = ev->valuators.values[cv];
++cv;
}
}
STouchCoord coord = {{vals[0], vals[1]}};
if (m_callback)
m_callback->touchDown(coord, ev->detail);
return false;
}
case XI_TouchUpdate: {
XIDeviceEvent* ev = (XIDeviceEvent*)event;
if (m_lastInputID != ev->deviceid)
_pointingDeviceChanged(ev->deviceid);
int cv = 0;
double vals[32] = {};
for (int i = 0; i < ev->valuators.mask_len * 8 && i < 32; ++i) {
if (XIMaskIsSet(ev->valuators.mask, i)) {
vals[i] = ev->valuators.values[cv];
++cv;
}
}
STouchCoord coord = {{vals[0], vals[1]}};
if (m_callback)
m_callback->touchMove(coord, ev->detail);
return false;
}
case XI_TouchEnd: {
XIDeviceEvent* ev = (XIDeviceEvent*)event;
if (m_lastInputID != ev->deviceid)
_pointingDeviceChanged(ev->deviceid);
int cv = 0;
double vals[32] = {};
for (int i = 0; i < ev->valuators.mask_len * 8 && i < 32; ++i) {
if (XIMaskIsSet(ev->valuators.mask, i)) {
vals[i] = ev->valuators.values[cv];
++cv;
}
}
STouchCoord coord = {{vals[0], vals[1]}};
if (m_callback)
m_callback->touchUp(coord, ev->detail);
return false;
}
}
}
}
}
return false;
}
void _cleanup() override {
if (m_gfxCtx) {
XLockDisplay(m_xDisp);
m_gfxCtx->destroy();
m_gfxCtx.reset();
XUnmapWindow(m_xDisp, m_windowId);
XDestroyWindow(m_xDisp, m_windowId);
XFreeColormap(m_xDisp, m_colormapId);
XUnlockDisplay(m_xDisp);
}
}
ETouchType getTouchType() const override { return m_touchType; }
IGraphicsCommandQueue* getCommandQueue() override { return m_gfxCtx->getCommandQueue(); }
IGraphicsDataFactory* getDataFactory() override { return m_gfxCtx->getDataFactory(); }
IGraphicsDataFactory* getMainContextDataFactory() override { return m_gfxCtx->getMainContextDataFactory(); }
IGraphicsDataFactory* getLoadContextDataFactory() override { return m_gfxCtx->getLoadContextDataFactory(); }
bool _isWindowMapped() {
XWindowAttributes attr;
XLockDisplay(m_xDisp);
XGetWindowAttributes(m_xDisp, m_windowId, &attr);
XUnlockDisplay(m_xDisp);
return attr.map_state != IsUnmapped;
}
};
std::shared_ptr<IWindow> _WindowXlibNew(std::string_view title, Display* display, void* xcbConn, int defaultScreen,
XIM xIM, XIMStyle bestInputStyle, XFontSet fontset, GLXContext lastCtx,
void* vulkanHandle, GLContext* glCtx) {
std::shared_ptr<IWindow> ret = std::make_shared<WindowXlib>(title, display, xcbConn, defaultScreen, xIM,
bestInputStyle, fontset, lastCtx, vulkanHandle, glCtx);
return ret;
}
} // namespace boo
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