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display: Use XInput2 to grab the pointer
As calling XIGrabDevice multiple times will change it, just drop the XChangeActivePointerGrab path and just go down the XIGrabPointer path always. https://bugzilla.gnome.org/show_bug.cgi?id=688779
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@ -385,7 +385,6 @@ Cursor meta_display_create_x_cursor (MetaDisplay *display,
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void meta_display_set_grab_op_cursor (MetaDisplay *display,
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MetaScreen *screen,
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MetaGrabOp op,
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gboolean change_pointer,
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Window grab_xwindow,
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guint32 timestamp);
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@ -3678,66 +3678,43 @@ void
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meta_display_set_grab_op_cursor (MetaDisplay *display,
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MetaScreen *screen,
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MetaGrabOp op,
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gboolean change_pointer,
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Window grab_xwindow,
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guint32 timestamp)
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{
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Cursor cursor;
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Cursor cursor = xcursor_for_op (display, op);
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unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
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XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
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cursor = xcursor_for_op (display, op);
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XISetMask (mask.mask, XI_ButtonPress);
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XISetMask (mask.mask, XI_ButtonRelease);
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XISetMask (mask.mask, XI_Enter);
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XISetMask (mask.mask, XI_Leave);
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XISetMask (mask.mask, XI_Motion);
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#define GRAB_MASK (PointerMotionMask | \
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ButtonPressMask | ButtonReleaseMask | \
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EnterWindowMask | LeaveWindowMask)
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g_assert (screen != NULL);
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if (change_pointer)
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meta_error_trap_push (display);
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if (XIGrabDevice (display->xdisplay,
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META_VIRTUAL_CORE_POINTER_ID,
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grab_xwindow,
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timestamp,
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cursor,
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GrabModeAsync, GrabModeAsync,
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False, /* owner_events */
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&mask) == Success)
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{
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meta_error_trap_push_with_return (display);
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XChangeActivePointerGrab (display->xdisplay,
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GRAB_MASK,
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cursor,
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timestamp);
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display->grab_have_pointer = TRUE;
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meta_topic (META_DEBUG_WINDOW_OPS,
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"Changed pointer with XChangeActivePointerGrab()\n");
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if (meta_error_trap_pop_with_return (display) != Success)
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{
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meta_topic (META_DEBUG_WINDOW_OPS,
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"Error trapped from XChangeActivePointerGrab()\n");
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if (display->grab_have_pointer)
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display->grab_have_pointer = FALSE;
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}
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"XIGrabDevice() returned GrabSuccess time %u\n",
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timestamp);
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}
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else
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{
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g_assert (screen != NULL);
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meta_error_trap_push (display);
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if (XGrabPointer (display->xdisplay,
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grab_xwindow,
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False,
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GRAB_MASK,
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GrabModeAsync, GrabModeAsync,
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screen->xroot,
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cursor,
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timestamp) == GrabSuccess)
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{
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display->grab_have_pointer = TRUE;
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meta_topic (META_DEBUG_WINDOW_OPS,
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"XGrabPointer() returned GrabSuccess time %u\n",
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timestamp);
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}
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else
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{
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meta_topic (META_DEBUG_WINDOW_OPS,
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"XGrabPointer() failed time %u\n",
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timestamp);
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}
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meta_error_trap_pop (display);
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meta_topic (META_DEBUG_WINDOW_OPS,
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"XIGrabDevice() failed time %u\n",
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timestamp);
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}
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#undef GRAB_MASK
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meta_error_trap_pop (display);
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if (cursor != None)
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XFreeCursor (display->xdisplay, cursor);
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@ -3812,13 +3789,12 @@ meta_display_begin_grab_op (MetaDisplay *display,
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if (pointer_already_grabbed)
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display->grab_have_pointer = TRUE;
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meta_display_set_grab_op_cursor (display, screen, op, FALSE, grab_xwindow,
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timestamp);
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meta_display_set_grab_op_cursor (display, screen, op, grab_xwindow, timestamp);
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if (!display->grab_have_pointer && !grab_op_is_keyboard (op))
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{
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meta_topic (META_DEBUG_WINDOW_OPS,
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"XGrabPointer() failed\n");
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"XIGrabDevice() failed\n");
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return FALSE;
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}
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@ -3837,7 +3813,7 @@ meta_display_begin_grab_op (MetaDisplay *display,
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{
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meta_topic (META_DEBUG_WINDOW_OPS,
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"grabbing all keys failed, ungrabbing pointer\n");
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XUngrabPointer (display->xdisplay, timestamp);
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XIUngrabDevice (display->xdisplay, META_VIRTUAL_CORE_POINTER_ID, timestamp);
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display->grab_have_pointer = FALSE;
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return FALSE;
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}
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@ -4037,7 +4013,7 @@ meta_display_end_grab_op (MetaDisplay *display,
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{
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meta_topic (META_DEBUG_WINDOW_OPS,
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"Ungrabbing pointer with timestamp %u\n", timestamp);
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XUngrabPointer (display->xdisplay, timestamp);
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XIUngrabDevice (display->xdisplay, META_VIRTUAL_CORE_POINTER_ID, timestamp);
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}
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if (display->grab_have_keyboard)
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@ -9867,9 +9867,8 @@ meta_window_update_keyboard_resize (MetaWindow *window,
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if (update_cursor)
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{
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meta_display_set_grab_op_cursor (window->display,
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NULL,
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window->screen,
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window->display->grab_op,
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TRUE,
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window->display->grab_xwindow,
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window->display->grab_timestamp);
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}
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