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gdk: Proxy touchpad events through the client-side window hierarchy

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This includes poking the deepmost window, checking for the
GDK_TOUCHPAD_GESTURE_MASK bit set, and translating coordinates in events
accordingly.
This commit is contained in:
Carlos Garnacho 2015-07-09 18:44:09 +02:00
parent 8c2b3930da
commit 5092febaf8
1 changed files with 100 additions and 1 deletions
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101
gdk/gdkwindow.c
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@ -7604,6 +7604,13 @@ is_button_type (GdkEventType type)
type == GDK_SCROLL;
}
static gboolean
is_gesture_type (GdkEventType type)
{
return (type == GDK_TOUCHPAD_SWIPE ||
type == GDK_TOUCHPAD_PINCH);
}
static gboolean
is_motion_type (GdkEventType type)
{
@ -7745,6 +7752,16 @@ _gdk_make_event (GdkWindow *window,
event->dnd.time = the_time;
break;
case GDK_TOUCHPAD_SWIPE:
event->touchpad_swipe.time = the_time;
event->touchpad_swipe.state = the_state;
break;
case GDK_TOUCHPAD_PINCH:
event->touchpad_pinch.time = the_time;
event->touchpad_pinch.state = the_state;
break;
case GDK_FOCUS_CHANGE:
case GDK_CONFIGURE:
case GDK_MAP:
@ -9271,6 +9288,85 @@ proxy_button_event (GdkEvent *source_event,
return TRUE; /* Always unlink original, we want to obey the emulated event mask */
}
static gboolean
proxy_gesture_event (GdkEvent *source_event,
gulong serial)
{
GdkWindow *toplevel_window, *pointer_window, *event_win;
GdkDevice *device, *source_device;
gdouble toplevel_x, toplevel_y;
GdkDisplay *display;
GdkEventMask evmask;
GdkEventType evtype;
GdkEvent *event;
guint state;
evtype = source_event->any.type;
gdk_event_get_coords (source_event, &toplevel_x, &toplevel_y);
gdk_event_get_state (source_event, &state);
device = gdk_event_get_device (source_event);
source_device = gdk_event_get_source_device (source_event);
display = gdk_window_get_display (source_event->any.window);
toplevel_window = convert_native_coords_to_toplevel (source_event->any.window,
toplevel_x, toplevel_y,
&toplevel_x, &toplevel_y);
pointer_window = get_pointer_window (display, toplevel_window, device,
toplevel_x, toplevel_y,
serial);
event_win = get_event_window (display, device, NULL,
pointer_window, evtype, state,
&evmask, FALSE, serial);
if (!event_win)
return TRUE;
if ((evmask & GDK_TOUCHPAD_GESTURE_MASK) == 0)
return TRUE;
event = _gdk_make_event (event_win, evtype, source_event, FALSE);
gdk_event_set_device (event, device);
gdk_event_set_source_device (event, source_device);
switch (evtype)
{
case GDK_TOUCHPAD_SWIPE:
convert_toplevel_coords_to_window (event_win,
toplevel_x, toplevel_y,
&event->touchpad_swipe.x,
&event->touchpad_swipe.y);
gdk_event_get_root_coords (source_event,
&event->touchpad_swipe.x_root,
&event->touchpad_swipe.y_root);
event->touchpad_swipe.dx = source_event->touchpad_swipe.dx;
event->touchpad_swipe.dy = source_event->touchpad_swipe.dy;
event->touchpad_swipe.n_fingers = source_event->touchpad_swipe.n_fingers;
event->touchpad_swipe.phase = source_event->touchpad_swipe.phase;
break;
case GDK_TOUCHPAD_PINCH:
convert_toplevel_coords_to_window (event_win,
toplevel_x, toplevel_y,
&event->touchpad_pinch.x,
&event->touchpad_pinch.y);
gdk_event_get_root_coords (source_event,
&event->touchpad_pinch.x_root,
&event->touchpad_pinch.y_root);
event->touchpad_pinch.dx = source_event->touchpad_pinch.dx;
event->touchpad_pinch.dy = source_event->touchpad_pinch.dy;
event->touchpad_pinch.scale = source_event->touchpad_pinch.scale;
event->touchpad_pinch.angle_delta = source_event->touchpad_pinch.angle_delta;
event->touchpad_pinch.n_fingers = source_event->touchpad_pinch.n_fingers;
event->touchpad_pinch.phase = source_event->touchpad_pinch.phase;
break;
default:
break;
}
return TRUE;
}
#ifdef DEBUG_WINDOW_PRINTING
#ifdef GDK_WINDOWING_X11
@ -9419,7 +9515,8 @@ _gdk_windowing_got_event (GdkDisplay *display,
}
if (!(is_button_type (event->type) ||
is_motion_type (event->type)) ||
is_motion_type (event->type) ||
is_gesture_type (event->type)) ||
event_window->window_type == GDK_WINDOW_ROOT)
goto out;
@ -9518,6 +9615,8 @@ _gdk_windowing_got_event (GdkDisplay *display,
unlink_event = proxy_pointer_event (display, event, serial);
else if (is_button_type (event->type))
unlink_event = proxy_button_event (event, serial);
else if (is_gesture_type (event->type))
unlink_event = proxy_gesture_event (event, serial);
if ((event->type == GDK_BUTTON_RELEASE ||
event->type == GDK_TOUCH_END) &&