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winex11: Ignore MotionNotify events if we have pending RawMotion events.

oldstable
Alexandre Julliard 2011-04-27 16:00:02 +02:00
parent 10901e17b4
commit da9922b40d
3 changed files with 26 additions and 2 deletions
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26
dlls/winex11.drv/event.c
View File

@ -32,6 +32,9 @@
#include <X11/Xlib.h>
#include <X11/Xresource.h>
#include <X11/Xutil.h>
#ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
#include <X11/extensions/XInput2.h>
#endif
#include <assert.h>
#include <stdarg.h>
@ -154,6 +157,8 @@ static const char * event_names[MAX_EVENT_HANDLERS] =
"SelectionNotify", "ColormapNotify", "ClientMessage", "MappingNotify", "GenericEvent"
};
int xinput2_opcode = 0;
/* return the name of an X event */
static const char *dbgstr_event( int type )
{
@ -236,7 +241,8 @@ enum event_merge_action
{
MERGE_DISCARD, /* discard the old event */
MERGE_HANDLE, /* handle the old event */
MERGE_KEEP /* keep the old event for future merging */
MERGE_KEEP, /* keep the old event for future merging */
MERGE_IGNORE /* ignore the new event, keep the old one */
};
/***********************************************************************
@ -270,6 +276,22 @@ static enum event_merge_action merge_events( XEvent *prev, XEvent *next )
return MERGE_DISCARD;
}
break;
#ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
case GenericEvent:
if (prev->xcookie.extension != xinput2_opcode) break;
if (prev->xcookie.evtype != XI_RawMotion) break;
switch (next->type)
{
case MotionNotify:
if (next->xany.window == x11drv_thread_data()->clip_window)
{
TRACE( "ignoring MotionNotify for clip window\n" );
return MERGE_IGNORE;
}
break;
}
break;
#endif
}
return MERGE_HANDLE;
}
@ -363,6 +385,8 @@ static int process_events( Display *display, Bool (*filter)(Display*, XEvent*,XP
break;
case MERGE_KEEP: /* handle new, keep prev for future merging */
call_event_handler( display, &event );
/* fall through */
case MERGE_IGNORE: /* ignore new, keep prev for future merging */
free_event_data( &event );
break;
}

1
dlls/winex11.drv/mouse.c
View File

@ -130,7 +130,6 @@ static Cursor create_cursor( HANDLE handle );
#ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
static BOOL xinput2_available;
static int xinput2_opcode;
static int xinput2_core_pointer;
#define MAKE_FUNCPTR(f) static typeof(f) * p##f
MAKE_FUNCPTR(XIFreeDeviceInfo);

1
dlls/winex11.drv/x11drv.h
View File

@ -733,6 +733,7 @@ extern void X11DRV_SelectionClear( HWND hWnd, XEvent *event );
extern void X11DRV_MappingNotify( HWND hWnd, XEvent *event );
extern void X11DRV_GenericEvent( HWND hwnd, XEvent *event );
extern int xinput2_opcode;
extern Bool (*pXGetEventData)( Display *display, XEvent /*XGenericEventCookie*/ *event );
extern void (*pXFreeEventData)( Display *display, XEvent /*XGenericEventCookie*/ *event );