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Remove XInput2 XI_Motion support

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Sadly, this interferes with the Steam overlay.

Fixes #304.
master
Camilla Berglund ago%!(EXTRA string=10 years)
parent a10caa4631
commit bda18bc899
8 changed files with 1 additions and 126 deletions
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  1. 15
      CMakeLists.txt
  2. 1
      README.md
  3. 4
      docs/compat.dox
  4. 2
      docs/compile.dox
  5. 2
      src/glfw_config.h.in
  6. 22
      src/x11_init.c
  7. 16
      src/x11_platform.h
  8. 65
      src/x11_window.c

15
CMakeLists.txt
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@ -234,21 +234,6 @@ if (_GLFW_X11)
list(APPEND glfw_LIBRARIES "${X11_Xinerama_LIB}")
list(APPEND glfw_PKG_DEPS "xinerama")
# Check for XInput (high-resolution cursor motion)
if (X11_Xinput_FOUND)
list(APPEND glfw_INCLUDE_DIRS "${X11_Xinput_INCLUDE_PATH}")
list(APPEND glfw_PKG_DEPS "xi")
if (X11_Xinput_LIB)
list(APPEND glfw_LIBRARIES "${X11_Xinput_LIB}")
else()
# Backwards compatibility (bug in CMake 2.8.7)
list(APPEND glfw_LIBRARIES Xi)
endif()
set(_GLFW_HAS_XINPUT TRUE)
endif()
# Check for Xf86VidMode (fallback gamma control)
if (X11_xf86vmode_FOUND)
list(APPEND glfw_INCLUDE_DIRS "${X11_xf86vmode_INCLUDE_PATH}")

1
README.md
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@ -104,6 +104,7 @@ does not find Doxygen, the documentation will not be generated.
- [X11] Bugfix: Monitor connection and disconnection events were not reported
- [X11] Bugfix: Decoding of UTF-8 text from XIM could continue past the end
- [X11] Bugfix: An XKB structure was leaked during `glfwInit`
- [X11] Bugfix: XInput2 `XI_Motion` events interfered with the Steam overlay
- [POSIX] Bugfix: An unrelated TLS key could be deleted by `glfwTerminate`
- [WGL] Changed extension loading to only be performed once
- [WGL] Removed dependency on external WGL headers

4
docs/compat.dox
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@ -63,10 +63,6 @@ GLFW uses the
to provide file drop events. If the application originating the drag does not
support this protocol, drag and drop will not work.
GLFW uses the XInput 2 extension to provide sub-pixel cursor motion events. If
the running X server does not support this version of this extension, cursor
motion will be snapped to the pixel grid.
GLFW uses the XRandR 1.3 extension to provide multi-monitor support. If the
running X server does not support this version of this extension, multi-monitor
support will not function and only a single, desktop-spanning monitor will be

2
docs/compile.dox
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@ -274,8 +274,6 @@ must also define `_GLFW_BUILD_DLL`. Otherwise, you must not define it.
If you are using the X11 window creation API, support for the following X11
extensions can be enabled:
- `_GLFW_HAS_XINPUT` to use XInput2 for high-resolution cursor motion
(recommended)
- `_GLFW_HAS_XF86VM` to use Xxf86vm as a fallback when RandR gamma is broken
(recommended)

2
src/glfw_config.h.in
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@ -60,8 +60,6 @@
// Define this to 1 to force use of high-performance GPU on hybrid systems
#cmakedefine _GLFW_USE_HYBRID_HPG
// Define this to 1 if the XInput X11 extension is available
#cmakedefine _GLFW_HAS_XINPUT
// Define this to 1 if the Xxf86vm X11 extension is available
#cmakedefine _GLFW_HAS_XF86VM

22
src/x11_init.c
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@ -544,25 +544,6 @@ static GLFWbool initExtensions(void)
_glfw.x11.xinerama.available = GLFW_TRUE;
}
#if defined(_GLFW_HAS_XINPUT)
if (XQueryExtension(_glfw.x11.display,
"XInputExtension",
&_glfw.x11.xi.majorOpcode,
&_glfw.x11.xi.eventBase,
&_glfw.x11.xi.errorBase))
{
_glfw.x11.xi.major = 2;
_glfw.x11.xi.minor = 0;
if (XIQueryVersion(_glfw.x11.display,
&_glfw.x11.xi.major,
&_glfw.x11.xi.minor) != BadRequest)
{
_glfw.x11.xi.available = GLFW_TRUE;
}
}
#endif /*_GLFW_HAS_XINPUT*/
// Check if Xkb is supported on this display
_glfw.x11.xkb.major = 1;
_glfw.x11.xkb.minor = 0;
@ -856,9 +837,6 @@ const char* _glfwPlatformGetVersionString(void)
#if defined(__linux__)
" /dev/js"
#endif
#if defined(_GLFW_HAS_XINPUT)
" XI"
#endif
#if defined(_GLFW_HAS_XF86VM)
" Xf86vm"
#endif

16
src/x11_platform.h
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@ -47,11 +47,6 @@
// The Xinerama extension provides legacy monitor indices
#include <X11/extensions/Xinerama.h>
#if defined(_GLFW_HAS_XINPUT)
// The XInput2 extension provides improved input events
#include <X11/extensions/XInput2.h>
#endif
#if defined(_GLFW_HAS_XF86VM)
// The Xf86VidMode extension provides fallback gamma control
#include <X11/extensions/xf86vmode.h>
@ -250,17 +245,6 @@ typedef struct _GLFWlibraryX11
XGETXCBCONNECTION_T XGetXCBConnection;
} x11xcb;
#if defined(_GLFW_HAS_XINPUT)
struct {
GLFWbool available;
int majorOpcode;
int eventBase;
int errorBase;
int major;
int minor;
} xi;
#endif /*_GLFW_HAS_XINPUT*/
#if defined(_GLFW_HAS_XF86VM)
struct {
GLFWbool available;

65
src/x11_window.c
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@ -469,23 +469,6 @@ static GLFWbool createWindow(_GLFWwindow* window,
XFree(hint);
}
#if defined(_GLFW_HAS_XINPUT)
if (_glfw.x11.xi.available)
{
// Select for XInput2 events
XIEventMask eventmask;
unsigned char mask[] = { 0 };
eventmask.deviceid = 2;
eventmask.mask_len = sizeof(mask);
eventmask.mask = mask;
XISetMask(mask, XI_Motion);
XISelectEvents(_glfw.x11.display, window->x11.handle, &eventmask, 1);
}
#endif /*_GLFW_HAS_XINPUT*/
if (_glfw.x11.XdndAware)
{
// Announce support for Xdnd (drag and drop)
@ -1388,54 +1371,6 @@ static void processEvent(XEvent *event)
case DestroyNotify:
return;
#if defined(_GLFW_HAS_XINPUT)
case GenericEvent:
{
if (event->xcookie.extension == _glfw.x11.xi.majorOpcode &&
XGetEventData(_glfw.x11.display, &event->xcookie))
{
if (event->xcookie.evtype == XI_Motion)
{
XIDeviceEvent* data = (XIDeviceEvent*) event->xcookie.data;
window = findWindowByHandle(data->event);
if (window)
{
if (data->event_x != window->x11.warpPosX ||
data->event_y != window->x11.warpPosY)
{
// The cursor was moved by something other than GLFW
double x, y;
if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
if (_glfw.cursorWindow != window)
return;
x = data->event_x - window->x11.cursorPosX;
y = data->event_y - window->x11.cursorPosY;
}
else
{
x = data->event_x;
y = data->event_y;
}
_glfwInputCursorMotion(window, x, y);
}
window->x11.cursorPosX = data->event_x;
window->x11.cursorPosY = data->event_y;
}
}
}
XFreeEventData(_glfw.x11.display, &event->xcookie);
return;
}
#endif /*_GLFW_HAS_XINPUT*/
}
}

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