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X11: Fix event time wrapping

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Related to #1012.
This commit is contained in:
Camilla Löwy 2017-09-14 15:03:06 +02:00
parent 138b10eb28
commit 750ac64245
2 changed files with 21 additions and 10 deletions
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6
src/x11_platform.h
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@ -225,9 +225,9 @@ typedef struct _GLFWlibraryX11
double restoreCursorPosX, restoreCursorPosY;
// The window whose disabled cursor mode is active
_GLFWwindow* disabledCursorWindow;
// The time of the last event
Time lastEventTime;
// State for accumulating a non-wrapping event time
Time lastTimestamp;
uint64_t eventTime;
// Window manager atoms
Atom WM_PROTOCOLS;

25
src/x11_window.c
View File

@ -1034,6 +1034,14 @@ static unsigned int decodeUTF8(const char** s)
}
#endif /*X_HAVE_UTF8_STRING*/
// Updates the event time with the specified timestamp
//
static void updateEventTime(Time timestamp)
{
_glfw.x11.eventTime += timestamp - _glfw.x11.lastTimestamp;
_glfw.x11.lastTimestamp = timestamp;
}
// Process the specified X event
//
static void processEvent(XEvent *event)
@ -1076,6 +1084,7 @@ static void processEvent(XEvent *event)
const double* values = re->raw_values;
double xpos = window->virtualCursorPosX;
double ypos = window->virtualCursorPosY;
updateEventTime(re->time);
if (XIMaskIsSet(re->valuators.mask, 0))
{
@ -1121,7 +1130,7 @@ static void processEvent(XEvent *event)
const int key = translateKey(keycode);
const int mods = translateState(event->xkey.state);
const int plain = !(mods & (GLFW_MOD_CONTROL | GLFW_MOD_ALT));
_glfw.x11.lastEventTime = event->xkey.time;
updateEventTime(event->xkey.time);
if (window->x11.ic)
{
@ -1215,7 +1224,7 @@ static void processEvent(XEvent *event)
{
const int key = translateKey(keycode);
const int mods = translateState(event->xkey.state);
_glfw.x11.lastEventTime = event->xkey.time;
updateEventTime(event->xkey.time);
if (!_glfw.x11.xkb.detectable)
{
@ -1256,7 +1265,7 @@ static void processEvent(XEvent *event)
case ButtonPress:
{
const int mods = translateState(event->xbutton.state);
_glfw.x11.lastEventTime = event->xbutton.time;
updateEventTime(event->xbutton.time);
if (event->xbutton.button == Button1)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS, mods);
@ -1291,7 +1300,7 @@ static void processEvent(XEvent *event)
case ButtonRelease:
{
const int mods = translateState(event->xbutton.state);
_glfw.x11.lastEventTime = event->xbutton.time;
updateEventTime(event->xbutton.time);
if (event->xbutton.button == Button1)
{
@ -1329,6 +1338,8 @@ static void processEvent(XEvent *event)
case EnterNotify:
{
updateEventTime(event->xcrossing.time);
// 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)
@ -1340,6 +1351,7 @@ static void processEvent(XEvent *event)
case LeaveNotify:
{
updateEventTime(event->xcrossing.time);
_glfwInputCursorEnter(window, GLFW_FALSE);
return;
}
@ -1348,7 +1360,7 @@ static void processEvent(XEvent *event)
{
const int x = event->xmotion.x;
const int y = event->xmotion.y;
_glfw.x11.lastEventTime = event->xmotion.time;
updateEventTime(event->xmotion.time);
if (x != window->x11.warpCursorPosX || y != window->x11.warpCursorPosY)
{
@ -2435,8 +2447,7 @@ void _glfwPlatformSetWindowFloating(_GLFWwindow* window, GLFWbool enabled)
double _glfwPlatformGetEventTime(void)
{
/* X11 events are stored in milliseconds */
return (double) _glfw.x11.lastEventTime / 1000.0;
return (double) _glfw.x11.eventTime / 1000.0;
}
void _glfwPlatformPollEvents(void)