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-rw-r--r--glfw-3.2.1/src/x11_window.c2475
1 files changed, 2475 insertions, 0 deletions
diff --git a/glfw-3.2.1/src/x11_window.c b/glfw-3.2.1/src/x11_window.c
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--- /dev/null
+++ b/glfw-3.2.1/src/x11_window.c
@@ -0,0 +1,2475 @@
+//========================================================================
+// GLFW 3.2 X11 - www.glfw.org
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Marcus Geelnard
+// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would
+// be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not
+// be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source
+// distribution.
+//
+//========================================================================
+
+#include "internal.h"
+
+#include <X11/cursorfont.h>
+#include <X11/Xmd.h>
+
+#include <sys/select.h>
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <errno.h>
+#include <assert.h>
+
+// Action for EWMH client messages
+#define _NET_WM_STATE_REMOVE 0
+#define _NET_WM_STATE_ADD 1
+#define _NET_WM_STATE_TOGGLE 2
+
+// Additional mouse button names for XButtonEvent
+#define Button6 6
+#define Button7 7
+
+
+// Wait for data to arrive using select
+// This avoids blocking other threads via the per-display Xlib lock that also
+// covers GLX functions
+//
+static GLFWbool waitForEvent(double* timeout)
+{
+ fd_set fds;
+ const int fd = ConnectionNumber(_glfw.x11.display);
+ int count = fd + 1;
+
+ FD_ZERO(&fds);
+ FD_SET(fd, &fds);
+#if defined(__linux__)
+ FD_SET(_glfw.linux_js.inotify, &fds);
+
+ if (fd < _glfw.linux_js.inotify)
+ count = _glfw.linux_js.inotify + 1;
+#endif
+ for (;;)
+ {
+ if (timeout)
+ {
+ const long seconds = (long) *timeout;
+ const long microseconds = (long) ((*timeout - seconds) * 1e6);
+ struct timeval tv = { seconds, microseconds };
+ const uint64_t base = _glfwPlatformGetTimerValue();
+
+ const int result = select(count, &fds, NULL, NULL, &tv);
+ const int error = errno;
+
+ *timeout -= (_glfwPlatformGetTimerValue() - base) /
+ (double) _glfwPlatformGetTimerFrequency();
+
+ if (result > 0)
+ return GLFW_TRUE;
+ if ((result == -1 && error == EINTR) || *timeout <= 0.0)
+ return GLFW_FALSE;
+ }
+ else if (select(count, &fds, NULL, NULL, NULL) != -1 || errno != EINTR)
+ return GLFW_TRUE;
+ }
+}
+
+// Waits until a VisibilityNotify event arrives for the specified window or the
+// timeout period elapses (ICCCM section 4.2.2)
+//
+static GLFWbool waitForVisibilityNotify(_GLFWwindow* window)
+{
+ XEvent dummy;
+ double timeout = 0.1;
+
+ while (!XCheckTypedWindowEvent(_glfw.x11.display,
+ window->x11.handle,
+ VisibilityNotify,
+ &dummy))
+ {
+ if (!waitForEvent(&timeout))
+ return GLFW_FALSE;
+ }
+
+ return GLFW_TRUE;
+}
+
+// Returns whether the window is iconified
+//
+static int getWindowState(_GLFWwindow* window)
+{
+ int result = WithdrawnState;
+ struct {
+ CARD32 state;
+ Window icon;
+ } *state = NULL;
+
+ if (_glfwGetWindowPropertyX11(window->x11.handle,
+ _glfw.x11.WM_STATE,
+ _glfw.x11.WM_STATE,
+ (unsigned char**) &state) >= 2)
+ {
+ result = state->state;
+ }
+
+ XFree(state);
+ return result;
+}
+
+// Returns whether the event is a selection event
+//
+static Bool isSelectionEvent(Display* display, XEvent* event, XPointer pointer)
+{
+ return event->type == SelectionRequest ||
+ event->type == SelectionNotify ||
+ event->type == SelectionClear;
+}
+
+// Returns whether it is a _NET_FRAME_EXTENTS event for the specified window
+//
+static Bool isFrameExtentsEvent(Display* display, XEvent* event, XPointer pointer)
+{
+ _GLFWwindow* window = (_GLFWwindow*) pointer;
+ return event->type == PropertyNotify &&
+ event->xproperty.state == PropertyNewValue &&
+ event->xproperty.window == window->x11.handle &&
+ event->xproperty.atom == _glfw.x11.NET_FRAME_EXTENTS;
+}
+
+// Translates a GLFW standard cursor to a font cursor shape
+//
+static int translateCursorShape(int shape)
+{
+ switch (shape)
+ {
+ case GLFW_ARROW_CURSOR:
+ return XC_left_ptr;
+ case GLFW_IBEAM_CURSOR:
+ return XC_xterm;
+ case GLFW_CROSSHAIR_CURSOR:
+ return XC_crosshair;
+ case GLFW_HAND_CURSOR:
+ return XC_hand1;
+ case GLFW_HRESIZE_CURSOR:
+ return XC_sb_h_double_arrow;
+ case GLFW_VRESIZE_CURSOR:
+ return XC_sb_v_double_arrow;
+ }
+
+ return 0;
+}
+
+// Translates an X event modifier state mask
+//
+static int translateState(int state)
+{
+ int mods = 0;
+
+ if (state & ShiftMask)
+ mods |= GLFW_MOD_SHIFT;
+ if (state & ControlMask)
+ mods |= GLFW_MOD_CONTROL;
+ if (state & Mod1Mask)
+ mods |= GLFW_MOD_ALT;
+ if (state & Mod4Mask)
+ mods |= GLFW_MOD_SUPER;
+
+ return mods;
+}
+
+// Translates an X11 key code to a GLFW key token
+//
+static int translateKey(int scancode)
+{
+ // Use the pre-filled LUT (see createKeyTables() in x11_init.c)
+ if (scancode < 0 || scancode > 255)
+ return GLFW_KEY_UNKNOWN;
+
+ return _glfw.x11.publicKeys[scancode];
+}
+
+// Return the GLFW window corresponding to the specified X11 window
+//
+static _GLFWwindow* findWindowByHandle(Window handle)
+{
+ _GLFWwindow* window;
+
+ if (XFindContext(_glfw.x11.display,
+ handle,
+ _glfw.x11.context,
+ (XPointer*) &window) != 0)
+ {
+ return NULL;
+ }
+
+ return window;
+}
+
+// Sends an EWMH or ICCCM event to the window manager
+//
+static void sendEventToWM(_GLFWwindow* window, Atom type,
+ long a, long b, long c, long d, long e)
+{
+ XEvent event;
+ memset(&event, 0, sizeof(event));
+
+ event.type = ClientMessage;
+ event.xclient.window = window->x11.handle;
+ event.xclient.format = 32; // Data is 32-bit longs
+ event.xclient.message_type = type;
+ event.xclient.data.l[0] = a;
+ event.xclient.data.l[1] = b;
+ event.xclient.data.l[2] = c;
+ event.xclient.data.l[3] = d;
+ event.xclient.data.l[4] = e;
+
+ XSendEvent(_glfw.x11.display, _glfw.x11.root,
+ False,
+ SubstructureNotifyMask | SubstructureRedirectMask,
+ &event);
+}
+
+// Updates the normal hints according to the window settings
+//
+static void updateNormalHints(_GLFWwindow* window, int width, int height)
+{
+ XSizeHints* hints = XAllocSizeHints();
+
+ if (!window->monitor)
+ {
+ if (window->resizable)
+ {
+ if (window->minwidth != GLFW_DONT_CARE &&
+ window->minheight != GLFW_DONT_CARE)
+ {
+ hints->flags |= PMinSize;
+ hints->min_width = window->minwidth;
+ hints->min_height = window->minheight;
+ }
+
+ if (window->maxwidth != GLFW_DONT_CARE &&
+ window->maxheight != GLFW_DONT_CARE)
+ {
+ hints->flags |= PMaxSize;
+ hints->max_width = window->maxwidth;
+ hints->max_height = window->maxheight;
+ }
+
+ if (window->numer != GLFW_DONT_CARE &&
+ window->denom != GLFW_DONT_CARE)
+ {
+ hints->flags |= PAspect;
+ hints->min_aspect.x = hints->max_aspect.x = window->numer;
+ hints->min_aspect.y = hints->max_aspect.y = window->denom;
+ }
+ }
+ else
+ {
+ hints->flags |= (PMinSize | PMaxSize);
+ hints->min_width = hints->max_width = width;
+ hints->min_height = hints->max_height = height;
+ }
+ }
+
+ hints->flags |= PWinGravity;
+ hints->win_gravity = StaticGravity;
+
+ XSetWMNormalHints(_glfw.x11.display, window->x11.handle, hints);
+ XFree(hints);
+}
+
+// Updates the full screen status of the window
+//
+static void updateWindowMode(_GLFWwindow* window)
+{
+ if (window->monitor)
+ {
+ if (_glfw.x11.xinerama.available &&
+ _glfw.x11.NET_WM_FULLSCREEN_MONITORS)
+ {
+ sendEventToWM(window,
+ _glfw.x11.NET_WM_FULLSCREEN_MONITORS,
+ window->monitor->x11.index,
+ window->monitor->x11.index,
+ window->monitor->x11.index,
+ window->monitor->x11.index,
+ 0);
+ }
+
+ if (_glfw.x11.NET_WM_STATE && _glfw.x11.NET_WM_STATE_FULLSCREEN)
+ {
+ sendEventToWM(window,
+ _glfw.x11.NET_WM_STATE,
+ _NET_WM_STATE_ADD,
+ _glfw.x11.NET_WM_STATE_FULLSCREEN,
+ 0, 1, 0);
+ }
+ else
+ {
+ // This is the butcher's way of removing window decorations
+ // Setting the override-redirect attribute on a window makes the
+ // window manager ignore the window completely (ICCCM, section 4)
+ // The good thing is that this makes undecorated full screen windows
+ // easy to do; the bad thing is that we have to do everything
+ // manually and some things (like iconify/restore) won't work at
+ // all, as those are tasks usually performed by the window manager
+
+ XSetWindowAttributes attributes;
+ attributes.override_redirect = True;
+ XChangeWindowAttributes(_glfw.x11.display,
+ window->x11.handle,
+ CWOverrideRedirect,
+ &attributes);
+
+ window->x11.overrideRedirect = GLFW_TRUE;
+ }
+
+ // Enable compositor bypass
+ {
+ const unsigned long value = 1;
+
+ XChangeProperty(_glfw.x11.display, window->x11.handle,
+ _glfw.x11.NET_WM_BYPASS_COMPOSITOR, XA_CARDINAL, 32,
+ PropModeReplace, (unsigned char*) &value, 1);
+ }
+ }
+ else
+ {
+ if (_glfw.x11.xinerama.available &&
+ _glfw.x11.NET_WM_FULLSCREEN_MONITORS)
+ {
+ XDeleteProperty(_glfw.x11.display, window->x11.handle,
+ _glfw.x11.NET_WM_FULLSCREEN_MONITORS);
+ }
+
+ if (_glfw.x11.NET_WM_STATE && _glfw.x11.NET_WM_STATE_FULLSCREEN)
+ {
+ sendEventToWM(window,
+ _glfw.x11.NET_WM_STATE,
+ _NET_WM_STATE_REMOVE,
+ _glfw.x11.NET_WM_STATE_FULLSCREEN,
+ 0, 1, 0);
+ }
+ else
+ {
+ XSetWindowAttributes attributes;
+ attributes.override_redirect = False;
+ XChangeWindowAttributes(_glfw.x11.display,
+ window->x11.handle,
+ CWOverrideRedirect,
+ &attributes);
+
+ window->x11.overrideRedirect = GLFW_FALSE;
+ }
+
+ // Disable compositor bypass
+ {
+ XDeleteProperty(_glfw.x11.display, window->x11.handle,
+ _glfw.x11.NET_WM_BYPASS_COMPOSITOR);
+ }
+ }
+}
+
+// Splits and translates a text/uri-list into separate file paths
+// NOTE: This function destroys the provided string
+//
+static char** parseUriList(char* text, int* count)
+{
+ const char* prefix = "file://";
+ char** paths = NULL;
+ char* line;
+
+ *count = 0;
+
+ while ((line = strtok(text, "\r\n")))
+ {
+ text = NULL;
+
+ if (line[0] == '#')
+ continue;
+
+ if (strncmp(line, prefix, strlen(prefix)) == 0)
+ line += strlen(prefix);
+
+ (*count)++;
+
+ char* path = calloc(strlen(line) + 1, 1);
+ paths = realloc(paths, *count * sizeof(char*));
+ paths[*count - 1] = path;
+
+ while (*line)
+ {
+ if (line[0] == '%' && line[1] && line[2])
+ {
+ const char digits[3] = { line[1], line[2], '\0' };
+ *path = strtol(digits, NULL, 16);
+ line += 2;
+ }
+ else
+ *path = *line;
+
+ path++;
+ line++;
+ }
+ }
+
+ return paths;
+}
+
+// Centers the cursor over the window client area
+//
+static void centerCursor(_GLFWwindow* window)
+{
+ int width, height;
+ _glfwPlatformGetWindowSize(window, &width, &height);
+ _glfwPlatformSetCursorPos(window, width / 2.0, height / 2.0);
+}
+
+// Updates the cursor image according to its cursor mode
+//
+static void updateCursorImage(_GLFWwindow* window)
+{
+ if (window->cursorMode == GLFW_CURSOR_NORMAL)
+ {
+ if (window->cursor)
+ {
+ XDefineCursor(_glfw.x11.display, window->x11.handle,
+ window->cursor->x11.handle);
+ }
+ else
+ XUndefineCursor(_glfw.x11.display, window->x11.handle);
+ }
+ else
+ XDefineCursor(_glfw.x11.display, window->x11.handle, _glfw.x11.cursor);
+}
+
+// Create the X11 window (and its colormap)
+//
+static GLFWbool createNativeWindow(_GLFWwindow* window,
+ const _GLFWwndconfig* wndconfig,
+ Visual* visual, int depth)
+{
+ // Create a colormap based on the visual used by the current context
+ window->x11.colormap = XCreateColormap(_glfw.x11.display,
+ _glfw.x11.root,
+ visual,
+ AllocNone);
+
+ // Create the actual window
+ {
+ XSetWindowAttributes wa;
+ const unsigned long wamask = CWBorderPixel | CWColormap | CWEventMask;
+
+ wa.colormap = window->x11.colormap;
+ wa.border_pixel = 0;
+ wa.event_mask = StructureNotifyMask | KeyPressMask | KeyReleaseMask |
+ PointerMotionMask | ButtonPressMask | ButtonReleaseMask |
+ ExposureMask | FocusChangeMask | VisibilityChangeMask |
+ EnterWindowMask | LeaveWindowMask | PropertyChangeMask;
+
+ _glfwGrabErrorHandlerX11();
+
+ window->x11.handle = XCreateWindow(_glfw.x11.display,
+ _glfw.x11.root,
+ 0, 0,
+ wndconfig->width, wndconfig->height,
+ 0, // Border width
+ depth, // Color depth
+ InputOutput,
+ visual,
+ wamask,
+ &wa);
+
+ _glfwReleaseErrorHandlerX11();
+
+ if (!window->x11.handle)
+ {
+ _glfwInputErrorX11(GLFW_PLATFORM_ERROR,
+ "X11: Failed to create window");
+ return GLFW_FALSE;
+ }
+
+ XSaveContext(_glfw.x11.display,
+ window->x11.handle,
+ _glfw.x11.context,
+ (XPointer) window);
+ }
+
+ if (!wndconfig->decorated)
+ {
+ struct
+ {
+ unsigned long flags;
+ unsigned long functions;
+ unsigned long decorations;
+ long input_mode;
+ unsigned long status;
+ } hints;
+
+ hints.flags = 2; // Set decorations
+ hints.decorations = 0; // No decorations
+
+ XChangeProperty(_glfw.x11.display, window->x11.handle,
+ _glfw.x11.MOTIF_WM_HINTS,
+ _glfw.x11.MOTIF_WM_HINTS, 32,
+ PropModeReplace,
+ (unsigned char*) &hints,
+ sizeof(hints) / sizeof(long));
+ }
+
+ if (_glfw.x11.NET_WM_STATE && !window->monitor)
+ {
+ Atom states[3];
+ int count = 0;
+
+ if (wndconfig->floating)
+ {
+ if (_glfw.x11.NET_WM_STATE_ABOVE)
+ states[count++] = _glfw.x11.NET_WM_STATE_ABOVE;
+ }
+
+ if (wndconfig->maximized)
+ {
+ if (_glfw.x11.NET_WM_STATE_MAXIMIZED_VERT &&
+ _glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ)
+ {
+ states[count++] = _glfw.x11.NET_WM_STATE_MAXIMIZED_VERT;
+ states[count++] = _glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ;
+ }
+ }
+
+ if (count)
+ {
+ XChangeProperty(_glfw.x11.display, window->x11.handle,
+ _glfw.x11.NET_WM_STATE, XA_ATOM, 32,
+ PropModeReplace, (unsigned char*) &states, count);
+ }
+ }
+
+ // Declare the WM protocols supported by GLFW
+ {
+ Atom protocols[] =
+ {
+ _glfw.x11.WM_DELETE_WINDOW,
+ _glfw.x11.NET_WM_PING
+ };
+
+ XSetWMProtocols(_glfw.x11.display, window->x11.handle,
+ protocols, sizeof(protocols) / sizeof(Atom));
+ }
+
+ // Declare our PID
+ {
+ const pid_t pid = getpid();
+
+ XChangeProperty(_glfw.x11.display, window->x11.handle,
+ _glfw.x11.NET_WM_PID, XA_CARDINAL, 32,
+ PropModeReplace,
+ (unsigned char*) &pid, 1);
+ }
+
+ if (_glfw.x11.NET_WM_WINDOW_TYPE && _glfw.x11.NET_WM_WINDOW_TYPE_NORMAL)
+ {
+ Atom type = _glfw.x11.NET_WM_WINDOW_TYPE_NORMAL;
+ XChangeProperty(_glfw.x11.display, window->x11.handle,
+ _glfw.x11.NET_WM_WINDOW_TYPE, XA_ATOM, 32,
+ PropModeReplace, (unsigned char*) &type, 1);
+ }
+
+ // Set ICCCM WM_HINTS property
+ {
+ XWMHints* hints = XAllocWMHints();
+ if (!hints)
+ {
+ _glfwInputError(GLFW_OUT_OF_MEMORY,
+ "X11: Failed to allocate WM hints");
+ return GLFW_FALSE;
+ }
+
+ hints->flags = StateHint;
+ hints->initial_state = NormalState;
+
+ XSetWMHints(_glfw.x11.display, window->x11.handle, hints);
+ XFree(hints);
+ }
+
+ updateNormalHints(window, wndconfig->width, wndconfig->height);
+
+ // Set ICCCM WM_CLASS property
+ // HACK: Until a mechanism for specifying the application name is added, the
+ // initial window title is used as the window class name
+ if (strlen(wndconfig->title))
+ {
+ XClassHint* hint = XAllocClassHint();
+ hint->res_name = (char*) wndconfig->title;
+ hint->res_class = (char*) wndconfig->title;
+
+ XSetClassHint(_glfw.x11.display, window->x11.handle, hint);
+ XFree(hint);
+ }
+
+ if (_glfw.x11.XdndAware)
+ {
+ // Announce support for Xdnd (drag and drop)
+ const Atom version = 5;
+ XChangeProperty(_glfw.x11.display, window->x11.handle,
+ _glfw.x11.XdndAware, XA_ATOM, 32,
+ PropModeReplace, (unsigned char*) &version, 1);
+ }
+
+ _glfwPlatformSetWindowTitle(window, wndconfig->title);
+
+ if (_glfw.x11.im)
+ {
+ window->x11.ic = XCreateIC(_glfw.x11.im,
+ XNInputStyle,
+ XIMPreeditNothing | XIMStatusNothing,
+ XNClientWindow,
+ window->x11.handle,
+ XNFocusWindow,
+ window->x11.handle,
+ NULL);
+ }
+
+ _glfwPlatformGetWindowPos(window, &window->x11.xpos, &window->x11.ypos);
+ _glfwPlatformGetWindowSize(window, &window->x11.width, &window->x11.height);
+
+ return GLFW_TRUE;
+}
+
+// Set the specified property to the selection converted to the requested target
+//
+static Atom writeTargetToProperty(const XSelectionRequestEvent* request)
+{
+ int i;
+ const Atom formats[] = { _glfw.x11.UTF8_STRING,
+ _glfw.x11.COMPOUND_STRING,
+ XA_STRING };
+ const int formatCount = sizeof(formats) / sizeof(formats[0]);
+
+ if (request->property == None)
+ {
+ // The requester is a legacy client (ICCCM section 2.2)
+ // We don't support legacy clients, so fail here
+ return None;
+ }
+
+ if (request->target == _glfw.x11.TARGETS)
+ {
+ // The list of supported targets was requested
+
+ const Atom targets[] = { _glfw.x11.TARGETS,
+ _glfw.x11.MULTIPLE,
+ _glfw.x11.UTF8_STRING,
+ _glfw.x11.COMPOUND_STRING,
+ XA_STRING };
+
+ XChangeProperty(_glfw.x11.display,
+ request->requestor,
+ request->property,
+ XA_ATOM,
+ 32,
+ PropModeReplace,
+ (unsigned char*) targets,
+ sizeof(targets) / sizeof(targets[0]));
+
+ return request->property;
+ }
+
+ if (request->target == _glfw.x11.MULTIPLE)
+ {
+ // Multiple conversions were requested
+
+ Atom* targets;
+ unsigned long i, count;
+
+ count = _glfwGetWindowPropertyX11(request->requestor,
+ request->property,
+ _glfw.x11.ATOM_PAIR,
+ (unsigned char**) &targets);
+
+ for (i = 0; i < count; i += 2)
+ {
+ int j;
+
+ for (j = 0; j < formatCount; j++)
+ {
+ if (targets[i] == formats[j])
+ break;
+ }
+
+ if (j < formatCount)
+ {
+ XChangeProperty(_glfw.x11.display,
+ request->requestor,
+ targets[i + 1],
+ targets[i],
+ 8,
+ PropModeReplace,
+ (unsigned char*) _glfw.x11.clipboardString,
+ strlen(_glfw.x11.clipboardString));
+ }
+ else
+ targets[i + 1] = None;
+ }
+
+ XChangeProperty(_glfw.x11.display,
+ request->requestor,
+ request->property,
+ _glfw.x11.ATOM_PAIR,
+ 32,
+ PropModeReplace,
+ (unsigned char*) targets,
+ count);
+
+ XFree(targets);
+
+ return request->property;
+ }
+
+ if (request->target == _glfw.x11.SAVE_TARGETS)
+ {
+ // The request is a check whether we support SAVE_TARGETS
+ // It should be handled as a no-op side effect target
+
+ XChangeProperty(_glfw.x11.display,
+ request->requestor,
+ request->property,
+ _glfw.x11.NULL_,
+ 32,
+ PropModeReplace,
+ NULL,
+ 0);
+
+ return request->property;
+ }
+
+ // Conversion to a data target was requested
+
+ for (i = 0; i < formatCount; i++)
+ {
+ if (request->target == formats[i])
+ {
+ // The requested target is one we support
+
+ XChangeProperty(_glfw.x11.display,
+ request->requestor,
+ request->property,
+ request->target,
+ 8,
+ PropModeReplace,
+ (unsigned char*) _glfw.x11.clipboardString,
+ strlen(_glfw.x11.clipboardString));
+
+ return request->property;
+ }
+ }
+
+ // The requested target is not supported
+
+ return None;
+}
+
+static void handleSelectionClear(XEvent* event)
+{
+ free(_glfw.x11.clipboardString);
+ _glfw.x11.clipboardString = NULL;
+}
+
+static void handleSelectionRequest(XEvent* event)
+{
+ const XSelectionRequestEvent* request = &event->xselectionrequest;
+
+ XEvent reply;
+ memset(&reply, 0, sizeof(reply));
+
+ reply.xselection.property = writeTargetToProperty(request);
+ reply.xselection.type = SelectionNotify;
+ reply.xselection.display = request->display;
+ reply.xselection.requestor = request->requestor;
+ reply.xselection.selection = request->selection;
+ reply.xselection.target = request->target;
+ reply.xselection.time = request->time;
+
+ XSendEvent(_glfw.x11.display, request->requestor, False, 0, &reply);
+}
+
+static void pushSelectionToManager(_GLFWwindow* window)
+{
+ XConvertSelection(_glfw.x11.display,
+ _glfw.x11.CLIPBOARD_MANAGER,
+ _glfw.x11.SAVE_TARGETS,
+ None,
+ window->x11.handle,
+ CurrentTime);
+
+ for (;;)
+ {
+ XEvent event;
+
+ while (XCheckIfEvent(_glfw.x11.display, &event, isSelectionEvent, NULL))
+ {
+ switch (event.type)
+ {
+ case SelectionRequest:
+ handleSelectionRequest(&event);
+ break;
+
+ case SelectionClear:
+ handleSelectionClear(&event);
+ break;
+
+ case SelectionNotify:
+ {
+ if (event.xselection.target == _glfw.x11.SAVE_TARGETS)
+ {
+ // This means one of two things; either the selection was
+ // not owned, which means there is no clipboard manager, or
+ // the transfer to the clipboard manager has completed
+ // In either case, it means we are done here
+ return;
+ }
+
+ break;
+ }
+ }
+ }
+
+ waitForEvent(NULL);
+ }
+}
+
+// Make the specified window and its video mode active on its monitor
+//
+static GLFWbool acquireMonitor(_GLFWwindow* window)
+{
+ GLFWbool status;
+
+ if (_glfw.x11.saver.count == 0)
+ {
+ // Remember old screen saver settings
+ XGetScreenSaver(_glfw.x11.display,
+ &_glfw.x11.saver.timeout,
+ &_glfw.x11.saver.interval,
+ &_glfw.x11.saver.blanking,
+ &_glfw.x11.saver.exposure);
+
+ // Disable screen saver
+ XSetScreenSaver(_glfw.x11.display, 0, 0, DontPreferBlanking,
+ DefaultExposures);
+ }
+
+ if (!window->monitor->window)
+ _glfw.x11.saver.count++;
+
+ status = _glfwSetVideoModeX11(window->monitor, &window->videoMode);
+
+ if (window->x11.overrideRedirect)
+ {
+ int xpos, ypos;
+ GLFWvidmode mode;
+
+ // Manually position the window over its monitor
+ _glfwPlatformGetMonitorPos(window->monitor, &xpos, &ypos);
+ _glfwPlatformGetVideoMode(window->monitor, &mode);
+
+ XMoveResizeWindow(_glfw.x11.display, window->x11.handle,
+ xpos, ypos, mode.width, mode.height);
+ }
+
+ _glfwInputMonitorWindowChange(window->monitor, window);
+ return status;
+}
+
+// Remove the window and restore the original video mode
+//
+static void releaseMonitor(_GLFWwindow* window)
+{
+ if (window->monitor->window != window)
+ return;
+
+ _glfwInputMonitorWindowChange(window->monitor, NULL);
+ _glfwRestoreVideoModeX11(window->monitor);
+
+ _glfw.x11.saver.count--;
+
+ if (_glfw.x11.saver.count == 0)
+ {
+ // Restore old screen saver settings
+ XSetScreenSaver(_glfw.x11.display,
+ _glfw.x11.saver.timeout,
+ _glfw.x11.saver.interval,
+ _glfw.x11.saver.blanking,
+ _glfw.x11.saver.exposure);
+ }
+}
+
+// Decode a Unicode code point from a UTF-8 stream
+// Based on cutef8 by Jeff Bezanson (Public Domain)
+//
+#if defined(X_HAVE_UTF8_STRING)
+static unsigned int decodeUTF8(const char** s)
+{
+ unsigned int ch = 0, count = 0;
+ static const unsigned int offsets[] =
+ {
+ 0x00000000u, 0x00003080u, 0x000e2080u,
+ 0x03c82080u, 0xfa082080u, 0x82082080u
+ };
+
+ do
+ {
+ ch = (ch << 6) + (unsigned char) **s;
+ (*s)++;
+ count++;
+ } while ((**s & 0xc0) == 0x80);
+
+ assert(count <= 6);
+ return ch - offsets[count - 1];
+}
+#endif /*X_HAVE_UTF8_STRING*/
+
+// Process the specified X event
+//
+static void processEvent(XEvent *event)
+{
+ _GLFWwindow* window = NULL;
+ int keycode = 0;
+ Bool filtered = False;
+
+ // HACK: Save scancode as some IMs clear the field in XFilterEvent
+ if (event->type == KeyPress || event->type == KeyRelease)
+ keycode = event->xkey.keycode;
+
+ if (_glfw.x11.im)
+ filtered = XFilterEvent(event, None);
+
+ if (_glfw.x11.randr.available)
+ {
+ if (event->type == _glfw.x11.randr.eventBase + RRNotify)
+ {
+ XRRUpdateConfiguration(event);
+ _glfwInputMonitorChange();
+ return;
+ }
+ }
+
+ if (event->type != GenericEvent)
+ {
+ window = findWindowByHandle(event->xany.window);
+ if (window == NULL)
+ {
+ // This is an event for a window that has already been destroyed
+ return;
+ }
+ }
+
+ switch (event->type)
+ {
+ case KeyPress:
+ {
+ const int key = translateKey(keycode);
+ const int mods = translateState(event->xkey.state);
+ const int plain = !(mods & (GLFW_MOD_CONTROL | GLFW_MOD_ALT));
+
+ if (window->x11.ic)
+ {
+ // HACK: Ignore duplicate key press events generated by ibus
+ // Corresponding release events are filtered out by the
+ // GLFW key repeat logic
+ if (window->x11.lastKeyCode != keycode ||
+ window->x11.lastKeyTime != event->xkey.time)
+ {
+ if (keycode)
+ _glfwInputKey(window, key, keycode, GLFW_PRESS, mods);
+ }
+
+ window->x11.lastKeyCode = keycode;
+ window->x11.lastKeyTime = event->xkey.time;
+
+ if (!filtered)
+ {
+ int count;
+ Status status;
+#if defined(X_HAVE_UTF8_STRING)
+ char buffer[100];
+ char* chars = buffer;
+
+ count = Xutf8LookupString(window->x11.ic,
+ &event->xkey,
+ buffer, sizeof(buffer) - 1,
+ NULL, &status);
+
+ if (status == XBufferOverflow)
+ {
+ chars = calloc(count + 1, 1);
+ count = Xutf8LookupString(window->x11.ic,
+ &event->xkey,
+ chars, count,
+ NULL, &status);
+ }
+
+ if (status == XLookupChars || status == XLookupBoth)
+ {
+ const char* c = chars;
+ chars[count] = '\0';
+ while (c - chars < count)
+ _glfwInputChar(window, decodeUTF8(&c), mods, plain);
+ }
+#else /*X_HAVE_UTF8_STRING*/
+ wchar_t buffer[16];
+ wchar_t* chars = buffer;
+
+ count = XwcLookupString(window->x11.ic,
+ &event->xkey,
+ buffer, sizeof(buffer) / sizeof(wchar_t),
+ NULL, &status);
+
+ if (status == XBufferOverflow)
+ {
+ chars = calloc(count, sizeof(wchar_t));
+ count = XwcLookupString(window->x11.ic,
+ &event->xkey,
+ chars, count,
+ NULL, &status);
+ }
+
+ if (status == XLookupChars || status == XLookupBoth)
+ {
+ int i;
+ for (i = 0; i < count; i++)
+ _glfwInputChar(window, chars[i], mods, plain);
+ }
+#endif /*X_HAVE_UTF8_STRING*/
+
+ if (chars != buffer)
+ free(chars);
+ }
+ }
+ else
+ {
+ KeySym keysym;
+ XLookupString(&event->xkey, NULL, 0, &keysym, NULL);
+
+ _glfwInputKey(window, key, keycode, GLFW_PRESS, mods);
+
+ const long character = _glfwKeySym2Unicode(keysym);
+ if (character != -1)
+ _glfwInputChar(window, character, mods, plain);
+ }
+
+ return;
+ }
+
+ case KeyRelease:
+ {
+ const int key = translateKey(keycode);
+ const int mods = translateState(event->xkey.state);
+
+ if (!_glfw.x11.xkb.detectable)
+ {
+ // HACK: Key repeat events will arrive as KeyRelease/KeyPress
+ // pairs with similar or identical time stamps
+ // The key repeat logic in _glfwInputKey expects only key
+ // presses to repeat, so detect and discard release events
+ if (XEventsQueued(_glfw.x11.display, QueuedAfterReading))
+ {
+ XEvent next;
+ XPeekEvent(_glfw.x11.display, &next);
+
+ if (next.type == KeyPress &&
+ next.xkey.window == event->xkey.window &&
+ next.xkey.keycode == keycode)
+ {
+ // HACK: The time of repeat events sometimes doesn't
+ // match that of the press event, so add an
+ // epsilon
+ // Toshiyuki Takahashi can press a button
+ // 16 times per second so it's fairly safe to
+ // assume that no human is pressing the key 50
+ // times per second (value is ms)
+ if ((next.xkey.time - event->xkey.time) < 20)
+ {
+ // This is very likely a server-generated key repeat
+ // event, so ignore it
+ return;
+ }
+ }
+ }
+ }
+
+ _glfwInputKey(window, key, keycode, GLFW_RELEASE, mods);
+ return;
+ }
+
+ case ButtonPress:
+ {
+ const int mods = translateState(event->xbutton.state);
+
+ if (event->xbutton.button == Button1)
+ _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS, mods);
+ else if (event->xbutton.button == Button2)
+ _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS, mods);
+ else if (event->xbutton.button == Button3)
+ _glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS, mods);
+
+ // Modern X provides scroll events as mouse button presses
+ else if (event->xbutton.button == Button4)
+ _glfwInputScroll(window, 0.0, 1.0);
+ else if (event->xbutton.button == Button5)
+ _glfwInputScroll(window, 0.0, -1.0);
+ else if (event->xbutton.button == Button6)
+ _glfwInputScroll(window, 1.0, 0.0);
+ else if (event->xbutton.button == Button7)
+ _glfwInputScroll(window, -1.0, 0.0);
+
+ else
+ {
+ // Additional buttons after 7 are treated as regular buttons
+ // We subtract 4 to fill the gap left by scroll input above
+ _glfwInputMouseClick(window,
+ event->xbutton.button - Button1 - 4,
+ GLFW_PRESS,
+ mods);
+ }
+
+ return;
+ }
+
+ case ButtonRelease:
+ {
+ const int mods = translateState(event->xbutton.state);
+
+ if (event->xbutton.button == Button1)
+ {
+ _glfwInputMouseClick(window,
+ GLFW_MOUSE_BUTTON_LEFT,
+ GLFW_RELEASE,
+ mods);
+ }
+ else if (event->xbutton.button == Button2)
+ {
+ _glfwInputMouseClick(window,
+ GLFW_MOUSE_BUTTON_MIDDLE,
+ GLFW_RELEASE,
+ mods);
+ }
+ else if (event->xbutton.button == Button3)
+ {
+ _glfwInputMouseClick(window,
+ GLFW_MOUSE_BUTTON_RIGHT,
+ GLFW_RELEASE,
+ mods);
+ }
+ else if (event->xbutton.button > Button7)
+ {
+ // Additional buttons after 7 are treated as regular buttons
+ // We subtract 4 to fill the gap left by scroll input above
+ _glfwInputMouseClick(window,
+ event->xbutton.button - Button1 - 4,
+ GLFW_RELEASE,
+ mods);
+ }
+
+ return;
+ }
+
+ case EnterNotify:
+ {
+ // HACK: This is a workaround for WMs (KWM, Fluxbox) that otherwise
+ // ignore the defined cursor for hidden cursor mode
+ if (window->cursorMode == GLFW_CURSOR_HIDDEN)
+ _glfwPlatformSetCursorMode(window, GLFW_CURSOR_HIDDEN);
+
+ _glfwInputCursorEnter(window, GLFW_TRUE);
+ return;
+ }
+
+ case LeaveNotify:
+ {
+ _glfwInputCursorEnter(window, GLFW_FALSE);
+ return;
+ }
+
+ case MotionNotify:
+ {
+ const int x = event->xmotion.x;
+ const int y = event->xmotion.y;
+
+ if (x != window->x11.warpCursorPosX || y != window->x11.warpCursorPosY)
+ {
+ // The cursor was moved by something other than GLFW
+
+ if (window->cursorMode == GLFW_CURSOR_DISABLED)
+ {
+ if (_glfw.x11.disabledCursorWindow != window)
+ return;
+
+ const int dx = x - window->x11.lastCursorPosX;
+ const int dy = y - window->x11.lastCursorPosY;
+
+ _glfwInputCursorPos(window,
+ window->virtualCursorPosX + dx,
+ window->virtualCursorPosY + dy);
+ }
+ else
+ _glfwInputCursorPos(window, x, y);
+ }
+
+ window->x11.lastCursorPosX = x;
+ window->x11.lastCursorPosY = y;
+ return;
+ }
+
+ case ConfigureNotify:
+ {
+ if (event->xconfigure.width != window->x11.width ||
+ event->xconfigure.height != window->x11.height)
+ {
+ _glfwInputFramebufferSize(window,
+ event->xconfigure.width,
+ event->xconfigure.height);
+
+ _glfwInputWindowSize(window,
+ event->xconfigure.width,
+ event->xconfigure.height);
+
+ window->x11.width = event->xconfigure.width;
+ window->x11.height = event->xconfigure.height;
+ }
+
+ if (event->xconfigure.x != window->x11.xpos ||
+ event->xconfigure.y != window->x11.ypos)
+ {
+ if (window->x11.overrideRedirect || event->xany.send_event)
+ {
+ _glfwInputWindowPos(window,
+ event->xconfigure.x,
+ event->xconfigure.y);
+
+ window->x11.xpos = event->xconfigure.x;
+ window->x11.ypos = event->xconfigure.y;
+ }
+ }
+
+ return;
+ }
+
+ case ClientMessage:
+ {
+ // Custom client message, probably from the window manager
+
+ if (filtered)
+ return;
+
+ if (event->xclient.message_type == None)
+ return;
+
+ if (event->xclient.message_type == _glfw.x11.WM_PROTOCOLS)
+ {
+ const Atom protocol = event->xclient.data.l[0];
+ if (protocol == None)
+ return;
+
+ if (protocol == _glfw.x11.WM_DELETE_WINDOW)
+ {
+ // The window manager was asked to close the window, for example by
+ // the user pressing a 'close' window decoration button
+ _glfwInputWindowCloseRequest(window);
+ }
+ else if (protocol == _glfw.x11.NET_WM_PING)
+ {
+ // The window manager is pinging the application to ensure it's
+ // still responding to events
+
+ XEvent reply = *event;
+ reply.xclient.window = _glfw.x11.root;
+
+ XSendEvent(_glfw.x11.display, _glfw.x11.root,
+ False,
+ SubstructureNotifyMask | SubstructureRedirectMask,
+ &reply);
+ }
+ }
+ else if (event->xclient.message_type == _glfw.x11.XdndEnter)
+ {
+ // A drag operation has entered the window
+ // TODO: Check if UTF-8 string is supported by the source
+ }
+ else if (event->xclient.message_type == _glfw.x11.XdndDrop)
+ {
+ // The drag operation has finished dropping on
+ // the window, ask to convert it to a UTF-8 string
+ _glfw.x11.xdnd.source = event->xclient.data.l[0];
+ XConvertSelection(_glfw.x11.display,
+ _glfw.x11.XdndSelection,
+ _glfw.x11.UTF8_STRING,
+ _glfw.x11.XdndSelection,
+ window->x11.handle, CurrentTime);
+ }
+ else if (event->xclient.message_type == _glfw.x11.XdndPosition)
+ {
+ // The drag operation has moved over the window
+ const int absX = (event->xclient.data.l[2] >> 16) & 0xFFFF;
+ const int absY = (event->xclient.data.l[2]) & 0xFFFF;
+ int x, y;
+
+ _glfwPlatformGetWindowPos(window, &x, &y);
+ _glfwInputCursorPos(window, absX - x, absY - y);
+
+ // Reply that we are ready to copy the dragged data
+ XEvent reply;
+ memset(&reply, 0, sizeof(reply));
+
+ reply.type = ClientMessage;
+ reply.xclient.window = event->xclient.data.l[0];
+ reply.xclient.message_type = _glfw.x11.XdndStatus;
+ reply.xclient.format = 32;
+ reply.xclient.data.l[0] = window->x11.handle;
+ reply.xclient.data.l[1] = 1; // Always accept the dnd with no rectangle
+ reply.xclient.data.l[2] = 0; // Specify an empty rectangle
+ reply.xclient.data.l[3] = 0;
+ reply.xclient.data.l[4] = _glfw.x11.XdndActionCopy;
+
+ XSendEvent(_glfw.x11.display, event->xclient.data.l[0],
+ False, NoEventMask, &reply);
+ XFlush(_glfw.x11.display);
+ }
+
+ return;
+ }
+
+ case SelectionNotify:
+ {
+ if (event->xselection.property)
+ {
+ // The converted data from the drag operation has arrived
+ char* data;
+ const int result =
+ _glfwGetWindowPropertyX11(event->xselection.requestor,
+ event->xselection.property,
+ event->xselection.target,
+ (unsigned char**) &data);
+
+ if (result)
+ {
+ int i, count;
+ char** paths = parseUriList(data, &count);
+
+ _glfwInputDrop(window, count, (const char**) paths);
+
+ for (i = 0; i < count; i++)
+ free(paths[i]);
+ free(paths);
+ }
+
+ XFree(data);
+
+ XEvent reply;
+ memset(&reply, 0, sizeof(reply));
+
+ reply.type = ClientMessage;
+ reply.xclient.window = _glfw.x11.xdnd.source;
+ reply.xclient.message_type = _glfw.x11.XdndFinished;
+ reply.xclient.format = 32;
+ reply.xclient.data.l[0] = window->x11.handle;
+ reply.xclient.data.l[1] = result;
+ reply.xclient.data.l[2] = _glfw.x11.XdndActionCopy;
+
+ // Reply that all is well
+ XSendEvent(_glfw.x11.display, _glfw.x11.xdnd.source,
+ False, NoEventMask, &reply);
+ XFlush(_glfw.x11.display);
+ }
+
+ return;
+ }
+
+ case FocusIn:
+ {
+ if (window->cursorMode == GLFW_CURSOR_DISABLED)
+ _glfwPlatformSetCursorMode(window, GLFW_CURSOR_DISABLED);
+
+ if (event->xfocus.mode == NotifyGrab ||
+ event->xfocus.mode == NotifyUngrab)
+ {
+ // Ignore focus events from popup indicator windows, window menu
+ // key chords and window dragging
+ return;
+ }
+
+ if (window->x11.ic)
+ XSetICFocus(window->x11.ic);
+
+ _glfwInputWindowFocus(window, GLFW_TRUE);
+ return;
+ }
+
+ case FocusOut:
+ {
+ if (window->cursorMode == GLFW_CURSOR_DISABLED)
+ _glfwPlatformSetCursorMode(window, GLFW_CURSOR_NORMAL);
+
+ if (event->xfocus.mode == NotifyGrab ||
+ event->xfocus.mode == NotifyUngrab)
+ {
+ // Ignore focus events from popup indicator windows, window menu
+ // key chords and window dragging
+ return;
+ }
+
+ if (window->x11.ic)
+ XUnsetICFocus(window->x11.ic);
+
+ if (window->monitor && window->autoIconify)
+ _glfwPlatformIconifyWindow(window);
+
+ _glfwInputWindowFocus(window, GLFW_FALSE);
+ return;
+ }
+
+ case Expose:
+ {
+ _glfwInputWindowDamage(window);
+ return;
+ }
+
+ case PropertyNotify:
+ {
+ if (event->xproperty.atom == _glfw.x11.WM_STATE &&
+ event->xproperty.state == PropertyNewValue)
+ {
+ const int state = getWindowState(window);
+ if (state == IconicState)
+ {
+ if (window->monitor)
+ releaseMonitor(window);
+
+ _glfwInputWindowIconify(window, GLFW_TRUE);
+ }
+ else if (state == NormalState)
+ {
+ if (window->monitor)
+ acquireMonitor(window);
+
+ _glfwInputWindowIconify(window, GLFW_FALSE);
+ }
+ }
+
+ return;
+ }
+
+ case SelectionClear:
+ {
+ handleSelectionClear(event);
+ return;
+ }
+
+ case SelectionRequest:
+ {
+ handleSelectionRequest(event);
+ return;
+ }
+
+ case DestroyNotify:
+ return;
+ }
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+////// GLFW internal API //////
+//////////////////////////////////////////////////////////////////////////
+
+// Retrieve a single window property of the specified type
+// Inspired by fghGetWindowProperty from freeglut
+//
+unsigned long _glfwGetWindowPropertyX11(Window window,
+ Atom property,
+ Atom type,
+ unsigned char** value)
+{
+ Atom actualType;
+ int actualFormat;
+ unsigned long itemCount, bytesAfter;
+
+ XGetWindowProperty(_glfw.x11.display,
+ window,
+ property,
+ 0,
+ LONG_MAX,
+ False,
+ type,
+ &actualType,
+ &actualFormat,
+ &itemCount,
+ &bytesAfter,
+ value);
+
+ if (type != AnyPropertyType && actualType != type)
+ return 0;
+
+ return itemCount;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+////// GLFW platform API //////
+//////////////////////////////////////////////////////////////////////////
+
+int _glfwPlatformCreateWindow(_GLFWwindow* window,
+ const _GLFWwndconfig* wndconfig,
+ const _GLFWctxconfig* ctxconfig,
+ const _GLFWfbconfig* fbconfig)
+{
+ Visual* visual;
+ int depth;
+
+ if (ctxconfig->client == GLFW_NO_API)
+ {
+ visual = DefaultVisual(_glfw.x11.display, _glfw.x11.screen);
+ depth = DefaultDepth(_glfw.x11.display, _glfw.x11.screen);
+ }
+ else
+ {
+ if (ctxconfig->source == GLFW_NATIVE_CONTEXT_API)
+ {
+ if (!_glfwInitGLX())
+ return GLFW_FALSE;
+ if (!_glfwChooseVisualGLX(ctxconfig, fbconfig, &visual, &depth))
+ return GLFW_FALSE;
+ }
+ else
+ {
+ if (!_glfwInitEGL())
+ return GLFW_FALSE;
+ if (!_glfwChooseVisualEGL(ctxconfig, fbconfig, &visual, &depth))
+ return GLFW_FALSE;
+ }
+ }
+
+ if (!createNativeWindow(window, wndconfig, visual, depth))
+ return GLFW_FALSE;
+
+ if (ctxconfig->client != GLFW_NO_API)
+ {
+ if (ctxconfig->source == GLFW_NATIVE_CONTEXT_API)
+ {
+ if (!_glfwCreateContextGLX(window, ctxconfig, fbconfig))
+ return GLFW_FALSE;
+ }
+ else
+ {
+ if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
+ return GLFW_FALSE;
+ }
+ }
+
+ if (window->monitor)
+ {
+ _glfwPlatformShowWindow(window);
+ updateWindowMode(window);
+ if (!acquireMonitor(window))
+ return GLFW_FALSE;
+
+ centerCursor(window);
+ }
+
+ XFlush(_glfw.x11.display);
+ return GLFW_TRUE;
+}
+
+void _glfwPlatformDestroyWindow(_GLFWwindow* window)
+{
+ if (_glfw.x11.disabledCursorWindow == window)
+ _glfw.x11.disabledCursorWindow = NULL;
+
+ if (window->monitor)
+ releaseMonitor(window);
+
+ if (window->x11.ic)
+ {
+ XDestroyIC(window->x11.ic);
+ window->x11.ic = NULL;
+ }
+
+ if (window->context.destroy)
+ window->context.destroy(window);
+
+ if (window->x11.handle)
+ {
+ if (XGetSelectionOwner(_glfw.x11.display, _glfw.x11.CLIPBOARD) ==
+ window->x11.handle)
+ {
+ pushSelectionToManager(window);
+ }
+
+ XDeleteContext(_glfw.x11.display, window->x11.handle, _glfw.x11.context);
+ XUnmapWindow(_glfw.x11.display, window->x11.handle);
+ XDestroyWindow(_glfw.x11.display, window->x11.handle);
+ window->x11.handle = (Window) 0;
+ }
+
+ if (window->x11.colormap)
+ {
+ XFreeColormap(_glfw.x11.display, window->x11.colormap);
+ window->x11.colormap = (Colormap) 0;
+ }
+
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
+{
+#if defined(X_HAVE_UTF8_STRING)
+ Xutf8SetWMProperties(_glfw.x11.display,
+ window->x11.handle,
+ title, title,
+ NULL, 0,
+ NULL, NULL, NULL);
+#else
+ // This may be a slightly better fallback than using XStoreName and
+ // XSetIconName, which always store their arguments using STRING
+ XmbSetWMProperties(_glfw.x11.display,
+ window->x11.handle,
+ title, title,
+ NULL, 0,
+ NULL, NULL, NULL);
+#endif
+
+ XChangeProperty(_glfw.x11.display, window->x11.handle,
+ _glfw.x11.NET_WM_NAME, _glfw.x11.UTF8_STRING, 8,
+ PropModeReplace,
+ (unsigned char*) title, strlen(title));
+
+ XChangeProperty(_glfw.x11.display, window->x11.handle,
+ _glfw.x11.NET_WM_ICON_NAME, _glfw.x11.UTF8_STRING, 8,
+ PropModeReplace,
+ (unsigned char*) title, strlen(title));
+
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformSetWindowIcon(_GLFWwindow* window,
+ int count, const GLFWimage* images)
+{
+ if (count)
+ {
+ int i, j, longCount = 0;
+
+ for (i = 0; i < count; i++)
+ longCount += 2 + images[i].width * images[i].height;
+
+ long* icon = calloc(longCount, sizeof(long));
+ long* target = icon;
+
+ for (i = 0; i < count; i++)
+ {
+ *target++ = images[i].width;
+ *target++ = images[i].height;
+
+ for (j = 0; j < images[i].width * images[i].height; j++)
+ {
+ *target++ = (images[i].pixels[j * 4 + 0] << 16) |
+ (images[i].pixels[j * 4 + 1] << 8) |
+ (images[i].pixels[j * 4 + 2] << 0) |
+ (images[i].pixels[j * 4 + 3] << 24);
+ }
+ }
+
+ XChangeProperty(_glfw.x11.display, window->x11.handle,
+ _glfw.x11.NET_WM_ICON,
+ XA_CARDINAL, 32,
+ PropModeReplace,
+ (unsigned char*) icon,
+ longCount);
+
+ free(icon);
+ }
+ else
+ {
+ XDeleteProperty(_glfw.x11.display, window->x11.handle,
+ _glfw.x11.NET_WM_ICON);
+ }
+
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos)
+{
+ Window dummy;
+ int x, y;
+
+ XTranslateCoordinates(_glfw.x11.display, window->x11.handle, _glfw.x11.root,
+ 0, 0, &x, &y, &dummy);
+
+ if (xpos)
+ *xpos = x;
+ if (ypos)
+ *ypos = y;
+}
+
+void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos)
+{
+ // HACK: Explicitly setting PPosition to any value causes some WMs, notably
+ // Compiz and Metacity, to honor the position of unmapped windows
+ if (!_glfwPlatformWindowVisible(window))
+ {
+ long supplied;
+ XSizeHints* hints = XAllocSizeHints();
+
+ if (XGetWMNormalHints(_glfw.x11.display, window->x11.handle, hints, &supplied))
+ {
+ hints->flags |= PPosition;
+ hints->x = hints->y = 0;
+
+ XSetWMNormalHints(_glfw.x11.display, window->x11.handle, hints);
+ }
+
+ XFree(hints);
+ }
+
+ XMoveWindow(_glfw.x11.display, window->x11.handle, xpos, ypos);
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height)
+{
+ XWindowAttributes attribs;
+ XGetWindowAttributes(_glfw.x11.display, window->x11.handle, &attribs);
+
+ if (width)
+ *width = attribs.width;
+ if (height)
+ *height = attribs.height;
+}
+
+void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
+{
+ if (window->monitor)
+ {
+ if (window->monitor->window == window)
+ acquireMonitor(window);
+ }
+ else
+ {
+ if (!window->resizable)
+ updateNormalHints(window, width, height);
+
+ XResizeWindow(_glfw.x11.display, window->x11.handle, width, height);
+ }
+
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window,
+ int minwidth, int minheight,
+ int maxwidth, int maxheight)
+{
+ int width, height;
+ _glfwPlatformGetWindowSize(window, &width, &height);
+ updateNormalHints(window, width, height);
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window, int numer, int denom)
+{
+ int width, height;
+ _glfwPlatformGetWindowSize(window, &width, &height);
+ updateNormalHints(window, width, height);
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height)
+{
+ _glfwPlatformGetWindowSize(window, width, height);
+}
+
+void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
+ int* left, int* top,
+ int* right, int* bottom)
+{
+ long* extents = NULL;
+
+ if (window->monitor || !window->decorated)
+ return;
+
+ if (_glfw.x11.NET_FRAME_EXTENTS == None)
+ return;
+
+ if (!_glfwPlatformWindowVisible(window) &&
+ _glfw.x11.NET_REQUEST_FRAME_EXTENTS)
+ {
+ XEvent event;
+ double timeout = 0.5;
+
+ // Ensure _NET_FRAME_EXTENTS is set, allowing glfwGetWindowFrameSize to
+ // function before the window is mapped
+ sendEventToWM(window, _glfw.x11.NET_REQUEST_FRAME_EXTENTS,
+ 0, 0, 0, 0, 0);
+
+ // HACK: Use a timeout because earlier versions of some window managers
+ // (at least Unity, Fluxbox and Xfwm) failed to send the reply
+ // They have been fixed but broken versions are still in the wild
+ // If you are affected by this and your window manager is NOT
+ // listed above, PLEASE report it to their and our issue trackers
+ while (!XCheckIfEvent(_glfw.x11.display,
+ &event,
+ isFrameExtentsEvent,
+ (XPointer) window))
+ {
+ if (!waitForEvent(&timeout))
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "X11: The window manager has a broken _NET_REQUEST_FRAME_EXTENTS implementation; please report this issue");
+ return;
+ }
+ }
+ }
+
+ if (_glfwGetWindowPropertyX11(window->x11.handle,
+ _glfw.x11.NET_FRAME_EXTENTS,
+ XA_CARDINAL,
+ (unsigned char**) &extents) == 4)
+ {
+ if (left)
+ *left = extents[0];
+ if (top)
+ *top = extents[2];
+ if (right)
+ *right = extents[1];
+ if (bottom)
+ *bottom = extents[3];
+ }
+
+ if (extents)
+ XFree(extents);
+}
+
+void _glfwPlatformIconifyWindow(_GLFWwindow* window)
+{
+ if (window->x11.overrideRedirect)
+ {
+ // Override-redirect windows cannot be iconified or restored, as those
+ // tasks are performed by the window manager
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "X11: Iconification of full screen windows requires a WM that supports EWMH full screen");
+ return;
+ }
+
+ XIconifyWindow(_glfw.x11.display, window->x11.handle, _glfw.x11.screen);
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformRestoreWindow(_GLFWwindow* window)
+{
+ if (window->x11.overrideRedirect)
+ {
+ // Override-redirect windows cannot be iconified or restored, as those
+ // tasks are performed by the window manager
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "X11: Iconification of full screen windows requires a WM that supports EWMH full screen");
+ return;
+ }
+
+ if (_glfwPlatformWindowIconified(window))
+ {
+ XMapWindow(_glfw.x11.display, window->x11.handle);
+ waitForVisibilityNotify(window);
+ }
+ else if (_glfwPlatformWindowVisible(window))
+ {
+ if (_glfw.x11.NET_WM_STATE &&
+ _glfw.x11.NET_WM_STATE_MAXIMIZED_VERT &&
+ _glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ)
+ {
+ sendEventToWM(window,
+ _glfw.x11.NET_WM_STATE,
+ _NET_WM_STATE_REMOVE,
+ _glfw.x11.NET_WM_STATE_MAXIMIZED_VERT,
+ _glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ,
+ 1, 0);
+ }
+ }
+
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformMaximizeWindow(_GLFWwindow* window)
+{
+ if (_glfw.x11.NET_WM_STATE &&
+ _glfw.x11.NET_WM_STATE_MAXIMIZED_VERT &&
+ _glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ)
+ {
+ sendEventToWM(window,
+ _glfw.x11.NET_WM_STATE,
+ _NET_WM_STATE_ADD,
+ _glfw.x11.NET_WM_STATE_MAXIMIZED_VERT,
+ _glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ,
+ 1, 0);
+ XFlush(_glfw.x11.display);
+ }
+}
+
+void _glfwPlatformShowWindow(_GLFWwindow* window)
+{
+ if (_glfwPlatformWindowVisible(window))
+ return;
+
+ XMapWindow(_glfw.x11.display, window->x11.handle);
+ waitForVisibilityNotify(window);
+}
+
+void _glfwPlatformHideWindow(_GLFWwindow* window)
+{
+ XUnmapWindow(_glfw.x11.display, window->x11.handle);
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformFocusWindow(_GLFWwindow* window)
+{
+ if (_glfw.x11.NET_ACTIVE_WINDOW)
+ sendEventToWM(window, _glfw.x11.NET_ACTIVE_WINDOW, 1, 0, 0, 0, 0);
+ else
+ {
+ XRaiseWindow(_glfw.x11.display, window->x11.handle);
+ XSetInputFocus(_glfw.x11.display, window->x11.handle,
+ RevertToParent, CurrentTime);
+ }
+
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformSetWindowMonitor(_GLFWwindow* window,
+ _GLFWmonitor* monitor,
+ int xpos, int ypos,
+ int width, int height,
+ int refreshRate)
+{
+ if (window->monitor == monitor)
+ {
+ if (monitor)
+ {
+ if (monitor->window == window)
+ acquireMonitor(window);
+ }
+ else
+ {
+ XMoveResizeWindow(_glfw.x11.display, window->x11.handle,
+ xpos, ypos, width, height);
+ }
+
+ return;
+ }
+
+ if (window->monitor)
+ releaseMonitor(window);
+
+ _glfwInputWindowMonitorChange(window, monitor);
+ updateNormalHints(window, width, height);
+ updateWindowMode(window);
+
+ if (window->monitor)
+ {
+ XMapRaised(_glfw.x11.display, window->x11.handle);
+ if (waitForVisibilityNotify(window))
+ acquireMonitor(window);
+ }
+ else
+ {
+ XMoveResizeWindow(_glfw.x11.display, window->x11.handle,
+ xpos, ypos, width, height);
+ }
+
+ XFlush(_glfw.x11.display);
+}
+
+int _glfwPlatformWindowFocused(_GLFWwindow* window)
+{
+ Window focused;
+ int state;
+
+ XGetInputFocus(_glfw.x11.display, &focused, &state);
+ return window->x11.handle == focused;
+}
+
+int _glfwPlatformWindowIconified(_GLFWwindow* window)
+{
+ return getWindowState(window) == IconicState;
+}
+
+int _glfwPlatformWindowVisible(_GLFWwindow* window)
+{
+ XWindowAttributes wa;
+ XGetWindowAttributes(_glfw.x11.display, window->x11.handle, &wa);
+ return wa.map_state == IsViewable;
+}
+
+int _glfwPlatformWindowMaximized(_GLFWwindow* window)
+{
+ Atom* states;
+ unsigned long i;
+ GLFWbool maximized = GLFW_FALSE;
+ const unsigned long count =
+ _glfwGetWindowPropertyX11(window->x11.handle,
+ _glfw.x11.NET_WM_STATE,
+ XA_ATOM,
+ (unsigned char**) &states);
+
+ for (i = 0; i < count; i++)
+ {
+ if (states[i] == _glfw.x11.NET_WM_STATE_MAXIMIZED_VERT ||
+ states[i] == _glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ)
+ {
+ maximized = GLFW_TRUE;
+ break;
+ }
+ }
+
+ XFree(states);
+ return maximized;
+}
+
+void _glfwPlatformPollEvents(void)
+{
+ _glfwPollJoystickEvents();
+
+ int count = XPending(_glfw.x11.display);
+ while (count--)
+ {
+ XEvent event;
+ XNextEvent(_glfw.x11.display, &event);
+ processEvent(&event);
+ }
+
+ if (_glfw.x11.disabledCursorWindow)
+ centerCursor(_glfw.x11.disabledCursorWindow);
+
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformWaitEvents(void)
+{
+ while (!XPending(_glfw.x11.display))
+ waitForEvent(NULL);
+
+ _glfwPlatformPollEvents();
+}
+
+void _glfwPlatformWaitEventsTimeout(double timeout)
+{
+ while (!XPending(_glfw.x11.display))
+ {
+ if (!waitForEvent(&timeout))
+ break;
+ }
+
+ _glfwPlatformPollEvents();
+}
+
+void _glfwPlatformPostEmptyEvent(void)
+{
+ XEvent event;
+ _GLFWwindow* window = _glfw.windowListHead;
+
+ memset(&event, 0, sizeof(event));
+ event.type = ClientMessage;
+ event.xclient.window = window->x11.handle;
+ event.xclient.format = 32; // Data is 32-bit longs
+ event.xclient.message_type = _glfw.x11.NULL_;
+
+ XSendEvent(_glfw.x11.display, window->x11.handle, False, 0, &event);
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos)
+{
+ Window root, child;
+ int rootX, rootY, childX, childY;
+ unsigned int mask;
+
+ XQueryPointer(_glfw.x11.display, window->x11.handle,
+ &root, &child,
+ &rootX, &rootY, &childX, &childY,
+ &mask);
+
+ if (xpos)
+ *xpos = childX;
+ if (ypos)
+ *ypos = childY;
+}
+
+void _glfwPlatformSetCursorPos(_GLFWwindow* window, double x, double y)
+{
+ // Store the new position so it can be recognized later
+ window->x11.warpCursorPosX = (int) x;
+ window->x11.warpCursorPosY = (int) y;
+
+ XWarpPointer(_glfw.x11.display, None, window->x11.handle,
+ 0,0,0,0, (int) x, (int) y);
+ XFlush(_glfw.x11.display);
+}
+
+void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode)
+{
+ if (mode == GLFW_CURSOR_DISABLED)
+ {
+ _glfw.x11.disabledCursorWindow = window;
+ _glfwPlatformGetCursorPos(window,
+ &_glfw.x11.restoreCursorPosX,
+ &_glfw.x11.restoreCursorPosY);
+ centerCursor(window);
+ XGrabPointer(_glfw.x11.display, window->x11.handle, True,
+ ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
+ GrabModeAsync, GrabModeAsync,
+ window->x11.handle, _glfw.x11.cursor, CurrentTime);
+ }
+ else if (_glfw.x11.disabledCursorWindow == window)
+ {
+ _glfw.x11.disabledCursorWindow = NULL;
+ XUngrabPointer(_glfw.x11.display, CurrentTime);
+ _glfwPlatformSetCursorPos(window,
+ _glfw.x11.restoreCursorPosX,
+ _glfw.x11.restoreCursorPosY);
+ }
+
+ updateCursorImage(window);
+ XFlush(_glfw.x11.display);
+}
+
+const char* _glfwPlatformGetKeyName(int key, int scancode)
+{
+ KeySym keysym;
+ int extra;
+
+ if (!_glfw.x11.xkb.available)
+ return NULL;
+
+ if (key != GLFW_KEY_UNKNOWN)
+ scancode = _glfw.x11.nativeKeys[key];
+
+ if (!_glfwIsPrintable(_glfw.x11.publicKeys[scancode]))
+ return NULL;
+
+ keysym = XkbKeycodeToKeysym(_glfw.x11.display, scancode, 0, 0);
+ if (keysym == NoSymbol)
+ return NULL;
+
+ XkbTranslateKeySym(_glfw.x11.display, &keysym, 0,
+ _glfw.x11.keyName, sizeof(_glfw.x11.keyName),
+ &extra);
+
+ if (!strlen(_glfw.x11.keyName))
+ return NULL;
+
+ return _glfw.x11.keyName;
+}
+
+int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
+ const GLFWimage* image,
+ int xhot, int yhot)
+{
+ cursor->x11.handle = _glfwCreateCursorX11(image, xhot, yhot);
+ if (!cursor->x11.handle)
+ return GLFW_FALSE;
+
+ return GLFW_TRUE;
+}
+
+int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
+{
+ cursor->x11.handle = XCreateFontCursor(_glfw.x11.display,
+ translateCursorShape(shape));
+ if (!cursor->x11.handle)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "X11: Failed to create standard cursor");
+ return GLFW_FALSE;
+ }
+
+ return GLFW_TRUE;
+}
+
+void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
+{
+ if (cursor->x11.handle)
+ XFreeCursor(_glfw.x11.display, cursor->x11.handle);
+}
+
+void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
+{
+ if (window->cursorMode == GLFW_CURSOR_NORMAL)
+ {
+ updateCursorImage(window);
+ XFlush(_glfw.x11.display);
+ }
+}
+
+void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
+{
+ free(_glfw.x11.clipboardString);
+ _glfw.x11.clipboardString = strdup(string);
+
+ XSetSelectionOwner(_glfw.x11.display,
+ _glfw.x11.CLIPBOARD,
+ window->x11.handle, CurrentTime);
+
+ if (XGetSelectionOwner(_glfw.x11.display, _glfw.x11.CLIPBOARD) !=
+ window->x11.handle)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "X11: Failed to become owner of clipboard selection");
+ }
+}
+
+const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
+{
+ size_t i;
+ const Atom formats[] = { _glfw.x11.UTF8_STRING,
+ _glfw.x11.COMPOUND_STRING,
+ XA_STRING };
+ const size_t formatCount = sizeof(formats) / sizeof(formats[0]);
+
+ if (findWindowByHandle(XGetSelectionOwner(_glfw.x11.display,
+ _glfw.x11.CLIPBOARD)))
+ {
+ // Instead of doing a large number of X round-trips just to put this
+ // string into a window property and then read it back, just return it
+ return _glfw.x11.clipboardString;
+ }
+
+ free(_glfw.x11.clipboardString);
+ _glfw.x11.clipboardString = NULL;
+
+ for (i = 0; i < formatCount; i++)
+ {
+ char* data;
+ XEvent event;
+
+ XConvertSelection(_glfw.x11.display,
+ _glfw.x11.CLIPBOARD,
+ formats[i],
+ _glfw.x11.GLFW_SELECTION,
+ window->x11.handle, CurrentTime);
+
+ while (!XCheckTypedEvent(_glfw.x11.display, SelectionNotify, &event))
+ waitForEvent(NULL);
+
+ if (event.xselection.property == None)
+ continue;
+
+ if (_glfwGetWindowPropertyX11(event.xselection.requestor,
+ event.xselection.property,
+ event.xselection.target,
+ (unsigned char**) &data))
+ {
+ _glfw.x11.clipboardString = strdup(data);
+ }
+
+ XFree(data);
+
+ XDeleteProperty(_glfw.x11.display,
+ event.xselection.requestor,
+ event.xselection.property);
+
+ if (_glfw.x11.clipboardString)
+ break;
+ }
+
+ if (_glfw.x11.clipboardString == NULL)
+ {
+ _glfwInputError(GLFW_FORMAT_UNAVAILABLE,
+ "X11: Failed to convert clipboard to string");
+ }
+
+ return _glfw.x11.clipboardString;
+}
+
+char** _glfwPlatformGetRequiredInstanceExtensions(uint32_t* count)
+{
+ char** extensions;
+
+ *count = 0;
+
+ if (!_glfw.vk.KHR_xcb_surface || !_glfw.x11.x11xcb.handle)
+ {
+ if (!_glfw.vk.KHR_xlib_surface)
+ return NULL;
+ }
+
+ extensions = calloc(2, sizeof(char*));
+ extensions[0] = strdup("VK_KHR_surface");
+
+ if (_glfw.vk.KHR_xcb_surface && _glfw.x11.x11xcb.handle)
+ extensions[1] = strdup("VK_KHR_xcb_surface");
+ else
+ extensions[1] = strdup("VK_KHR_xlib_surface");
+
+ *count = 2;
+ return extensions;
+}
+
+int _glfwPlatformGetPhysicalDevicePresentationSupport(VkInstance instance,
+ VkPhysicalDevice device,
+ uint32_t queuefamily)
+{
+ VisualID visualID = XVisualIDFromVisual(DefaultVisual(_glfw.x11.display,
+ _glfw.x11.screen));
+
+ if (_glfw.vk.KHR_xcb_surface && _glfw.x11.x11xcb.handle)
+ {
+ PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR vkGetPhysicalDeviceXcbPresentationSupportKHR =
+ (PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR)
+ vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceXcbPresentationSupportKHR");
+ if (!vkGetPhysicalDeviceXcbPresentationSupportKHR)
+ {
+ _glfwInputError(GLFW_API_UNAVAILABLE,
+ "X11: Vulkan instance missing VK_KHR_xcb_surface extension");
+ return GLFW_FALSE;
+ }
+
+ xcb_connection_t* connection =
+ _glfw.x11.x11xcb.XGetXCBConnection(_glfw.x11.display);
+ if (!connection)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "X11: Failed to retrieve XCB connection");
+ return GLFW_FALSE;
+ }
+
+ return vkGetPhysicalDeviceXcbPresentationSupportKHR(device,
+ queuefamily,
+ connection,
+ visualID);
+ }
+ else
+ {
+ PFN_vkGetPhysicalDeviceXlibPresentationSupportKHR vkGetPhysicalDeviceXlibPresentationSupportKHR =
+ (PFN_vkGetPhysicalDeviceXlibPresentationSupportKHR)
+ vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceXlibPresentationSupportKHR");
+ if (!vkGetPhysicalDeviceXlibPresentationSupportKHR)
+ {
+ _glfwInputError(GLFW_API_UNAVAILABLE,
+ "X11: Vulkan instance missing VK_KHR_xlib_surface extension");
+ return GLFW_FALSE;
+ }
+
+ return vkGetPhysicalDeviceXlibPresentationSupportKHR(device,
+ queuefamily,
+ _glfw.x11.display,
+ visualID);
+ }
+}
+
+VkResult _glfwPlatformCreateWindowSurface(VkInstance instance,
+ _GLFWwindow* window,
+ const VkAllocationCallbacks* allocator,
+ VkSurfaceKHR* surface)
+{
+ if (_glfw.vk.KHR_xcb_surface && _glfw.x11.x11xcb.handle)
+ {
+ VkResult err;
+ VkXcbSurfaceCreateInfoKHR sci;
+ PFN_vkCreateXcbSurfaceKHR vkCreateXcbSurfaceKHR;
+
+ xcb_connection_t* connection =
+ _glfw.x11.x11xcb.XGetXCBConnection(_glfw.x11.display);
+ if (!connection)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "X11: Failed to retrieve XCB connection");
+ return VK_ERROR_EXTENSION_NOT_PRESENT;
+ }
+
+ vkCreateXcbSurfaceKHR = (PFN_vkCreateXcbSurfaceKHR)
+ vkGetInstanceProcAddr(instance, "vkCreateXcbSurfaceKHR");
+ if (!vkCreateXcbSurfaceKHR)
+ {
+ _glfwInputError(GLFW_API_UNAVAILABLE,
+ "X11: Vulkan instance missing VK_KHR_xcb_surface extension");
+ return VK_ERROR_EXTENSION_NOT_PRESENT;
+ }
+
+ memset(&sci, 0, sizeof(sci));
+ sci.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
+ sci.connection = connection;
+ sci.window = window->x11.handle;
+
+ err = vkCreateXcbSurfaceKHR(instance, &sci, allocator, surface);
+ if (err)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "X11: Failed to create Vulkan XCB surface: %s",
+ _glfwGetVulkanResultString(err));
+ }
+
+ return err;
+ }
+ else
+ {
+ VkResult err;
+ VkXlibSurfaceCreateInfoKHR sci;
+ PFN_vkCreateXlibSurfaceKHR vkCreateXlibSurfaceKHR;
+
+ vkCreateXlibSurfaceKHR = (PFN_vkCreateXlibSurfaceKHR)
+ vkGetInstanceProcAddr(instance, "vkCreateXlibSurfaceKHR");
+ if (!vkCreateXlibSurfaceKHR)
+ {
+ _glfwInputError(GLFW_API_UNAVAILABLE,
+ "X11: Vulkan instance missing VK_KHR_xlib_surface extension");
+ return VK_ERROR_EXTENSION_NOT_PRESENT;
+ }
+
+ memset(&sci, 0, sizeof(sci));
+ sci.sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR;
+ sci.dpy = _glfw.x11.display;
+ sci.window = window->x11.handle;
+
+ err = vkCreateXlibSurfaceKHR(instance, &sci, allocator, surface);
+ if (err)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "X11: Failed to create Vulkan X11 surface: %s",
+ _glfwGetVulkanResultString(err));
+ }
+
+ return err;
+ }
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+////// GLFW native API //////
+//////////////////////////////////////////////////////////////////////////
+
+GLFWAPI Display* glfwGetX11Display(void)
+{
+ _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
+ return _glfw.x11.display;
+}
+
+GLFWAPI Window glfwGetX11Window(GLFWwindow* handle)
+{
+ _GLFWwindow* window = (_GLFWwindow*) handle;
+ _GLFW_REQUIRE_INIT_OR_RETURN(None);
+ return window->x11.handle;
+}
+
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-25 04:08:49 +0000