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Added initial XInput2 cursor motion.

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This commit is contained in:
Camilla Berglund 2013-04-04 16:48:58 +02:00
parent 129e94da2e
commit f41d85a209
4 changed files with 97 additions and 1 deletions
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5
CMakeLists.txt
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@ -166,6 +166,11 @@ if (_GLFW_X11)
message(FATAL_ERROR "The RandR library and headers were not found")
endif()
if (X11_Xinput_FOUND)
list(APPEND glfw_INCLUDE_DIRS ${X11_Xinput_INCLUDE_PATH})
list(APPEND glfw_LIBRARIES ${X11_Xinput_LIB})
endif()
list(APPEND glfw_INCLUDE_DIRS ${X11_Xrandr_INCLUDE_PATH})
list(APPEND glfw_LIBRARIES ${X11_Xrandr_LIB})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xrandr")

17
src/x11_init.c
View File

@ -474,6 +474,23 @@ static GLboolean initDisplay(void)
}
}
if (XQueryExtension(_glfw.x11.display,
"XInputExtension",
&_glfw.x11.xi2.majorOpcode,
&_glfw.x11.xi2.eventBase,
&_glfw.x11.xi2.errorBase))
{
_glfw.x11.xi2.versionMajor = 2;
_glfw.x11.xi2.versionMinor = 0;
if (XIQueryVersion(_glfw.x11.display,
&_glfw.x11.xi2.versionMajor,
&_glfw.x11.xi2.versionMinor) != BadRequest)
{
_glfw.x11.xi2.available = GL_TRUE;
}
}
// Check if Xkb is supported on this display
_glfw.x11.xkb.versionMajor = 1;
_glfw.x11.xkb.versionMinor = 0;

14
src/x11_platform.h
View File

@ -44,6 +44,9 @@
// The XRandR extension provides mode setting and gamma control
#include <X11/extensions/Xrandr.h>
// The XInput2 extension provides improved input events
#include <X11/extensions/XInput2.h>
// The Xkb extension provides improved keyboard support
#include <X11/XKBlib.h>
@ -94,7 +97,7 @@ typedef struct _GLFWwindowX11
GLboolean cursorGrabbed; // True if cursor is currently grabbed
GLboolean cursorHidden; // True if cursor is currently hidden
GLboolean cursorCentered; // True if cursor was moved since last poll
int cursorPosX, cursorPosY;
double cursorPosX, cursorPosY;
} _GLFWwindowX11;
@ -153,6 +156,15 @@ typedef struct _GLFWlibraryX11
int versionMinor;
} xkb;
struct {
GLboolean available;
int majorOpcode;
int eventBase;
int errorBase;
int versionMajor;
int versionMinor;
} xi2;
// LUT for mapping X11 key codes to GLFW key codes
int keyCodeLUT[256];

62
src/x11_window.c
View File

@ -213,6 +213,21 @@ static GLboolean createWindow(_GLFWwindow* window,
XFree(hints);
}
if (_glfw.x11.xi2.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);
}
_glfwPlatformSetWindowTitle(window, wndconfig->title);
XRRSelectInput(_glfw.x11.display, window->x11.handle,
@ -699,6 +714,53 @@ static void processEvent(XEvent *event)
case DestroyNotify:
return;
case GenericEvent:
{
if (event->xcookie.extension == _glfw.x11.xi2.majorOpcode &&
XGetEventData(_glfw.x11.display, &event->xcookie))
{
if (event->xcookie.evtype == XI_Motion)
{
XIDeviceEvent* data = (XIDeviceEvent*) event->xcookie.data;
window = _glfwFindWindowByHandle(data->event);
if (window)
{
if (data->event_x != window->x11.cursorPosX ||
data->event_y != window->x11.cursorPosY)
{
// The cursor was moved by something other than GLFW
double x, y;
if (window->cursorMode == GLFW_CURSOR_CAPTURED)
{
if (_glfw.focusedWindow != window)
break;
x = data->event_x - window->x11.cursorPosX;
y = data->event_y - window->x11.cursorPosY;
}
else
{
x = data->event_x;
y = data->event_y;
}
window->x11.cursorPosX = data->event_x;
window->x11.cursorPosY = data->event_y;
window->x11.cursorCentered = GL_FALSE;
_glfwInputCursorMotion(window, x, y);
}
}
}
}
XFreeEventData(_glfw.x11.display, &event->xcookie);
break;
}
default:
{
switch (event->type - _glfw.x11.randr.eventBase)