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Keep track of axis values

Browse Source 
https://bugzilla.gnome.org/show_bug.cgi?id=588649
This commit is contained in:
Thomas Jaeger 2009-09-29 11:57:50 -04:00 committed by Alexander Larsson
parent ee25051f96
commit 0178ebf739
3 changed files with 26 additions and 2 deletions
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25
gdk/x11/gdkinput-x11.c
View File

@ -44,6 +44,10 @@ static void gdk_input_translate_coordinates (GdkDevicePrivate *gdkd
gdouble *axis_out,
gdouble *x_out,
gdouble *y_out);
static void gdk_input_update_axes (GdkDevicePrivate *gdkdev,
gint axes_count,
gint first_axis,
gint *axis_data);
static guint gdk_input_translate_state (guint state,
guint device_state);
@ -175,6 +179,7 @@ gdk_input_device_new (GdkDisplay *display,
XValuatorInfo *xvi = (XValuatorInfo *)class;
gdkdev->info.num_axes = xvi->num_axes;
gdkdev->axes = g_new (GdkAxisInfo, xvi->num_axes);
gdkdev->axis_data = g_new0 (gint, xvi->num_axes);
gdkdev->info.axes = g_new0 (GdkDeviceAxis, xvi->num_axes);
for (j=0;j<xvi->num_axes;j++)
{
@ -376,6 +381,19 @@ _gdk_input_common_init (GdkDisplay *display,
return TRUE;
}
static void
gdk_input_update_axes (GdkDevicePrivate *gdkdev,
gint axes_count,
gint first_axis,
gint *axis_data)
{
int i;
g_return_if_fail (first_axis >= 0 && first_axis + axes_count <= gdkdev->info.num_axes);
for (i = 0; i < axes_count; i++)
gdkdev->axis_data[first_axis + i] = axis_data[i];
}
static void
gdk_input_translate_coordinates (GdkDevicePrivate *gdkdev,
GdkWindow *window,
@ -545,7 +563,9 @@ _gdk_input_common_other_event (GdkEvent *event,
event->button.time = xdbe->time;
event->button.axes = g_new (gdouble, gdkdev->info.num_axes);
gdk_input_translate_coordinates (gdkdev, window, xdbe->axis_data,
gdk_input_update_axes (gdkdev, xdbe->axes_count, xdbe->first_axis,
xdbe->axis_data);
gdk_input_translate_coordinates (gdkdev, window, gdkdev->axis_data,
event->button.axes,
&event->button.x, &event->button.y);
event->button.x_root = event->button.x + priv->abs_x + input_window->root_x;
@ -647,7 +667,8 @@ _gdk_input_common_other_event (GdkEvent *event,
event->motion.device = &gdkdev->info;
event->motion.axes = g_new (gdouble, gdkdev->info.num_axes);
gdk_input_translate_coordinates(gdkdev,window,xdme->axis_data,
gdk_input_update_axes (gdkdev, xdme->axes_count, xdme->first_axis, xdme->axis_data);
gdk_input_translate_coordinates(gdkdev, window, gdkdev->axis_data,
event->motion.axes,
&event->motion.x,&event->motion.y);
event->motion.x_root = event->motion.x + priv->abs_x + input_window->root_x;

2
gdk/x11/gdkinput.c
View File

@ -120,7 +120,9 @@ gdk_device_dispose (GObject *object)
gdkdev->xdevice = NULL;
}
g_free (gdkdev->axes);
g_free (gdkdev->axis_data);
gdkdev->axes = NULL;
gdkdev->axis_data = NULL;
#endif /* !XINPUT_NONE */
g_free (gdkdev->info.name);

1
gdk/x11/gdkinputprivate.h
View File

@ -73,6 +73,7 @@ struct _GdkDevicePrivate
#ifndef XINPUT_NONE
/* information about the axes */
GdkAxisInfo *axes;
gint *axis_data;
/* Information about XInput device */
XDevice *xdevice;