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authorJonas Ådahl <jadahl@gmail.com>2015-10-07 12:01:53 +0800
committerAdam Jackson <ajax@redhat.com>2015-12-01 12:14:03 -0500
commit07941a50a547f2ca094e242588298695f48903ed (patch)
tree13d8c2c4ce344396b7b0773e7209688a2310ce7b
parent51a4399b94f9adfac5f7718d4cbf73f793dcca56 (diff)
xwayland: Always update the wl_pointer cursor on pointer focus
In Wayland, a client (in this case XWayland) should set the cursor surface when it receives pointer focus. Not doing this will leave the curser at whatever it was previously. When running on XWayland, the X server will not be the entity that controls what actual pointer cursor is displayed, and it wont be notified about the pointer cursor changes done by the Wayland compositor. This causes X11 clients running via XWayland to end up with incorrect pointer cursors because the X server believes that, if the cursor was previously set to the cursor C, if we receive Wayland pointer focus over window W which also has the pointer cursor C, we do not need to update it. This will cause us to end up with the wrong cursor if cursor C was not the same one that was already set by the Wayland compositor. This patch works around this by, when receiving pointer focus, getting the private mipointer struct changing the "current sprite" pointer to an invalid cursor in order to trigger the update path next time a cursor is displayed by dix. Reviewed-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
-rw-r--r--hw/xwayland/xwayland-input.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/hw/xwayland/xwayland-input.c b/hw/xwayland/xwayland-input.c
index 473f30602..61ca70bac 100644
--- a/hw/xwayland/xwayland-input.c
+++ b/hw/xwayland/xwayland-input.c
@@ -32,6 +32,14 @@
#include <xkbsrv.h>
#include <xserver-properties.h>
#include <inpututils.h>
+#include <mipointer.h>
+#include <mipointrst.h>
+
+/* Copied from mipointer.c */
+#define MIPOINTER(dev) \
+ (IsFloating(dev) ? \
+ (miPointerPtr)dixLookupPrivate(&(dev)->devPrivates, miPointerPrivKey): \
+ (miPointerPtr)dixLookupPrivate(&(GetMaster(dev, MASTER_POINTER))->devPrivates, miPointerPrivKey))
static void
xwl_pointer_control(DeviceIntPtr device, PtrCtrl *ctrl)
@@ -210,6 +218,8 @@ pointer_handle_enter(void *data, struct wl_pointer *pointer,
{
struct xwl_seat *xwl_seat = data;
DeviceIntPtr dev = xwl_seat->pointer;
+ DeviceIntPtr master;
+ miPointerPtr mipointer;
int i;
int sx = wl_fixed_to_int(sx_w);
int sy = wl_fixed_to_int(sy_w);
@@ -230,8 +240,18 @@ pointer_handle_enter(void *data, struct wl_pointer *pointer,
xwl_seat->focus_window = wl_surface_get_user_data(surface);
+ master = GetMaster(dev, POINTER_OR_FLOAT);
(*pScreen->SetCursorPosition) (dev, pScreen, sx, sy, TRUE);
- CheckMotion(NULL, GetMaster(dev, POINTER_OR_FLOAT));
+
+ /* X is very likely to have the wrong idea of what the actual cursor
+ * sprite is, so in order to force updating the cursor lets set the
+ * current sprite to some invalid cursor behind its back so that it
+ * always will think it changed to the not invalid cursor.
+ */
+ mipointer = MIPOINTER(master);
+ mipointer->pSpriteCursor = (CursorPtr) 1;
+
+ CheckMotion(NULL, master);
/* Ideally, X clients shouldn't see these button releases. When
* the pointer leaves a window with buttons down, it means that