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Merge branch 'fix-tablet-3.24' into 'gtk-3-24'

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Wayland: Fix segfault when receiving tablet/touch events for surfaces that have already been destroyed client-side

See merge request GNOME/gtk!2809
This commit is contained in:
Carlos Garnacho
2021-01-10 13:18:15 +00:00
parent cae5e60113 19a740e277
commit 7ab4c9a68b
1 changed files with 66 additions and 15 deletions
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81
gdk/wayland/gdkdevice-wayland.c
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@ -2506,6 +2506,9 @@ touch_handle_down (void *data,
_gdk_wayland_display_update_serial (display, serial);
if (!wl_surface)
return;
touch = gdk_wayland_seat_add_touch (seat, id, wl_surface);
touch->x = wl_fixed_to_double (x);
touch->y = wl_fixed_to_double (y);
@ -2541,6 +2544,9 @@ touch_handle_up (void *data,
_gdk_wayland_display_update_serial (display, serial);
touch = gdk_wayland_seat_get_touch (seat, id);
if (!touch)
return;
event = _create_touch_event (seat, touch, GDK_TOUCH_END, time);
GDK_NOTE (EVENTS,
@ -2567,6 +2573,9 @@ touch_handle_motion (void *data,
GdkEvent *event;
touch = gdk_wayland_seat_get_touch (seat, id);
if (!touch)
return;
touch->x = wl_fixed_to_double (x);
touch->y = wl_fixed_to_double (y);
@ -3680,19 +3689,21 @@ tablet_tool_handle_proximity_in (void *data,
struct zwp_tablet_tool_v2 *wp_tablet_tool,
uint32_t serial,
struct zwp_tablet_v2 *wp_tablet,
struct wl_surface *surface)
struct wl_surface *wl_surface)
{
GdkWaylandTabletToolData *tool = data;
GdkWaylandTabletData *tablet = zwp_tablet_v2_get_user_data (wp_tablet);
GdkWaylandSeat *seat = GDK_WAYLAND_SEAT (tablet->seat);
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (seat->display);
GdkWindow *window = wl_surface_get_user_data (surface);
GdkWindow *window;
GdkEvent *event;
if (!surface)
return;
if (!wl_surface)
return;
window = wl_surface_get_user_data (wl_surface);
if (!GDK_IS_WINDOW (window))
return;
return;
tool->current_tablet = tablet;
tablet->current_tool = tool;
@ -3731,6 +3742,9 @@ tablet_tool_handle_proximity_out (void *data,
GdkWaylandSeat *seat = GDK_WAYLAND_SEAT (tool->seat);
#endif
if (!tablet)
return;
GDK_NOTE (EVENTS,
g_message ("proximity out, seat %p, tool %d", seat,
gdk_device_tool_get_tool_type (tool->tool)));
@ -3787,7 +3801,7 @@ tablet_tool_handle_down (void *data,
GdkWaylandSeat *seat = GDK_WAYLAND_SEAT (tool->seat);
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (seat->display);
if (!tablet->pointer_info.focus)
if (!tablet || !tablet->pointer_info.focus)
return;
_gdk_wayland_display_update_serial (display_wayland, serial);
@ -3804,7 +3818,7 @@ tablet_tool_handle_up (void *data,
GdkWaylandTabletToolData *tool = data;
GdkWaylandTabletData *tablet = tool->current_tablet;
if (!tablet->pointer_info.focus)
if (!tablet || !tablet->pointer_info.focus)
return;
tablet_create_button_event_frame (tablet, GDK_BUTTON_RELEASE, GDK_BUTTON_PRIMARY);
@ -3823,6 +3837,9 @@ tablet_tool_handle_motion (void *data,
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (seat->display);
GdkEvent *event;
if (!tablet)
return;
tablet->pointer_info.surface_x = wl_fixed_to_double (sx);
tablet->pointer_info.surface_y = wl_fixed_to_double (sy);
@ -3855,7 +3872,12 @@ tablet_tool_handle_pressure (void *data,
{
GdkWaylandTabletToolData *tool = data;
GdkWaylandTabletData *tablet = tool->current_tablet;
gint axis_index = tablet->axis_indices[GDK_AXIS_PRESSURE];
gint axis_index;
if (!tablet)
return;
axis_index = tablet->axis_indices[GDK_AXIS_PRESSURE];
_gdk_device_translate_axis (tablet->current_device, axis_index,
pressure, &tablet->axes[axis_index]);
@ -3872,7 +3894,12 @@ tablet_tool_handle_distance (void *data,
{
GdkWaylandTabletToolData *tool = data;
GdkWaylandTabletData *tablet = tool->current_tablet;
gint axis_index = tablet->axis_indices[GDK_AXIS_DISTANCE];
gint axis_index;
if (!tablet)
return;
axis_index = tablet->axis_indices[GDK_AXIS_DISTANCE];
_gdk_device_translate_axis (tablet->current_device, axis_index,
distance, &tablet->axes[axis_index]);
@ -3890,8 +3917,14 @@ tablet_tool_handle_tilt (void *data,
{
GdkWaylandTabletToolData *tool = data;
GdkWaylandTabletData *tablet = tool->current_tablet;
gint xtilt_axis_index = tablet->axis_indices[GDK_AXIS_XTILT];
gint ytilt_axis_index = tablet->axis_indices[GDK_AXIS_YTILT];
gint xtilt_axis_index;
gint ytilt_axis_index;
if (!tablet)
return;
xtilt_axis_index = tablet->axis_indices[GDK_AXIS_XTILT];
ytilt_axis_index = tablet->axis_indices[GDK_AXIS_YTILT];
_gdk_device_translate_axis (tablet->current_device, xtilt_axis_index,
wl_fixed_to_double (xtilt),
@ -3918,7 +3951,7 @@ tablet_tool_handle_button (void *data,
GdkEventType evtype;
guint n_button;
if (!tablet->pointer_info.focus)
if (!tablet || !tablet->pointer_info.focus)
return;
tablet->pointer_info.press_serial = serial;
@ -3949,7 +3982,12 @@ tablet_tool_handle_rotation (void *data,
{
GdkWaylandTabletToolData *tool = data;
GdkWaylandTabletData *tablet = tool->current_tablet;
gint axis_index = tablet->axis_indices[GDK_AXIS_ROTATION];
gint axis_index;
if (!tablet)
return;
axis_index = tablet->axis_indices[GDK_AXIS_ROTATION];
_gdk_device_translate_axis (tablet->current_device, axis_index,
wl_fixed_to_double (degrees),
@ -3968,7 +4006,12 @@ tablet_tool_handle_slider (void *data,
{
GdkWaylandTabletToolData *tool = data;
GdkWaylandTabletData *tablet = tool->current_tablet;
gint axis_index = tablet->axis_indices[GDK_AXIS_SLIDER];
gint axis_index;
if (!tablet)
return;
axis_index = tablet->axis_indices[GDK_AXIS_SLIDER];
_gdk_device_translate_axis (tablet->current_device, axis_index,
position, &tablet->axes[axis_index]);
@ -3986,9 +4029,12 @@ tablet_tool_handle_wheel (void *data,
{
GdkWaylandTabletToolData *tool = data;
GdkWaylandTabletData *tablet = tool->current_tablet;
GdkWaylandSeat *seat = GDK_WAYLAND_SEAT (tablet->seat);
GdkWaylandSeat *seat;
GdkEvent *event;
if (!tablet)
return;
GDK_NOTE (EVENTS,
g_message ("tablet tool %d wheel %d/%d",
gdk_device_tool_get_tool_type (tool->tool), degrees, clicks));
@ -3996,6 +4042,8 @@ tablet_tool_handle_wheel (void *data,
if (clicks == 0)
return;
seat = GDK_WAYLAND_SEAT (tablet->seat);
/* Send smooth event */
event = create_scroll_event (seat, &tablet->pointer_info,
tablet->master, tablet->current_device, FALSE);
@ -4021,6 +4069,9 @@ tablet_tool_handle_frame (void *data,
GdkWaylandTabletData *tablet = tool->current_tablet;
GdkEvent *frame_event;
if (!tablet)
return;
GDK_NOTE (EVENTS,
g_message ("tablet frame, time %d", time));