isa/mutter
1
0
Fork 0
mirror of https://github.com/brl/mutter.git synced 2024-12-25 20:32:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

clutter: Drop ClutterInputDevice axis API

Browse Source 
Most of this comes from X11 peculiarities that were open coded in
the Clutter ABI. We don't need this except in X11, so move this axis
handling there.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
This commit is contained in:
Carlos Garnacho 2020-11-19 01:15:42 +01:00 committed by Marge Bot
parent 5689a843c7
commit d7d92b0ddc
6 changed files with 158 additions and 337 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
clutter/clutter/clutter-input-device-private.h
View File

@ -32,19 +32,6 @@
G_BEGIN_DECLS
typedef struct _ClutterAxisInfo
{
ClutterInputAxis axis;
double min_axis;
double max_axis;
double min_value;
double max_value;
double resolution;
} ClutterAxisInfo;
typedef struct _ClutterScrollInfo
{
guint axis_id;
@ -111,8 +98,6 @@ struct _ClutterInputDevice
uint32_t previous_time;
int previous_button_number;
GArray *axes;
GArray *scroll_info;
char *vendor_id;
@ -142,20 +127,6 @@ ClutterActor * clutter_input_device_update (ClutterInputDevice *device,
CLUTTER_EXPORT
void _clutter_input_device_remove_event_sequence (ClutterInputDevice *device,
ClutterEvent *event);
CLUTTER_EXPORT
gboolean _clutter_input_device_translate_axis (ClutterInputDevice *device,
guint index_,
gdouble value,
gdouble *axis_value);
CLUTTER_EXPORT
guint _clutter_input_device_add_axis (ClutterInputDevice *device,
ClutterInputAxis axis,
gdouble minimum,
gdouble maximum,
gdouble resolution);
CLUTTER_EXPORT
void _clutter_input_device_reset_axes (ClutterInputDevice *device);
CLUTTER_EXPORT
void _clutter_input_device_add_scroll_info (ClutterInputDevice *device,

254
clutter/clutter/clutter-input-device.c
View File

@ -61,8 +61,6 @@ enum
PROP_HAS_CURSOR,
PROP_N_AXES,
PROP_VENDOR_ID,
PROP_PRODUCT_ID,
@ -97,7 +95,6 @@ clutter_input_device_dispose (GObject *gobject)
if (device->accessibility_virtual_device)
g_clear_object (&device->accessibility_virtual_device);
g_clear_pointer (&device->axes, g_array_unref);
g_clear_pointer (&device->scroll_info, g_array_unref);
g_clear_pointer (&device->touch_sequence_actors, g_hash_table_unref);
@ -236,10 +233,6 @@ clutter_input_device_get_property (GObject *gobject,
g_value_set_boolean (value, self->has_cursor);
break;
case PROP_N_AXES:
g_value_set_uint (value, clutter_input_device_get_n_axes (self));
break;
case PROP_VENDOR_ID:
g_value_set_string (value, self->vendor_id);
break;
@ -347,21 +340,6 @@ clutter_input_device_class_init (ClutterInputDeviceClass *klass)
FALSE,
CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
/**
* ClutterInputDevice:n-axes:
*
* The number of axes of the device.
*
* Since: 1.6
*/
obj_props[PROP_N_AXES] =
g_param_spec_uint ("n-axes",
P_("Number of Axes"),
P_("The number of axes on the device"),
0, G_MAXUINT,
0,
CLUTTER_PARAM_READABLE);
/**
* ClutterInputDevice:backend:
*
@ -800,236 +778,6 @@ clutter_input_device_get_device_mode (ClutterInputDevice *device)
return device->device_mode;
}
/*< private >
* clutter_input_device_reset_axes:
* @device: a #ClutterInputDevice
*
* Resets the axes on @device
*/
void
_clutter_input_device_reset_axes (ClutterInputDevice *device)
{
if (device->axes != NULL)
{
g_array_free (device->axes, TRUE);
device->axes = NULL;
g_object_notify_by_pspec (G_OBJECT (device), obj_props[PROP_N_AXES]);
}
}
/*< private >
* clutter_input_device_add_axis:
* @device: a #ClutterInputDevice
* @axis: the axis type
* @minimum: the minimum axis value
* @maximum: the maximum axis value
* @resolution: the axis resolution
*
* Adds an axis of type @axis on @device.
*/
guint
_clutter_input_device_add_axis (ClutterInputDevice *device,
ClutterInputAxis axis,
gdouble minimum,
gdouble maximum,
gdouble resolution)
{
ClutterAxisInfo info;
guint pos;
if (device->axes == NULL)
device->axes = g_array_new (FALSE, TRUE, sizeof (ClutterAxisInfo));
info.axis = axis;
info.min_value = minimum;
info.max_value = maximum;
info.resolution = resolution;
switch (axis)
{
case CLUTTER_INPUT_AXIS_X:
case CLUTTER_INPUT_AXIS_Y:
info.min_axis = 0;
info.max_axis = 0;
break;
case CLUTTER_INPUT_AXIS_XTILT:
case CLUTTER_INPUT_AXIS_YTILT:
info.min_axis = -1;
info.max_axis = 1;
break;
default:
info.min_axis = 0;
info.max_axis = 1;
break;
}
device->axes = g_array_append_val (device->axes, info);
pos = device->axes->len - 1;
g_object_notify_by_pspec (G_OBJECT (device), obj_props[PROP_N_AXES]);
return pos;
}
/*< private >
* clutter_input_translate_axis:
* @device: a #ClutterInputDevice
* @index_: the index of the axis
* @gint: the absolute value of the axis
* @axis_value: (out): the translated value of the axis
*
* Performs a conversion from the absolute value of the axis
* to a relative value.
*
* The axis at @index_ must not be %CLUTTER_INPUT_AXIS_X or
* %CLUTTER_INPUT_AXIS_Y.
*
* Return value: %TRUE if the conversion was successful
*/
gboolean
_clutter_input_device_translate_axis (ClutterInputDevice *device,
guint index_,
gdouble value,
gdouble *axis_value)
{
ClutterAxisInfo *info;
gdouble width;
gdouble real_value;
if (device->axes == NULL || index_ >= device->axes->len)
return FALSE;
info = &g_array_index (device->axes, ClutterAxisInfo, index_);
if (info->axis == CLUTTER_INPUT_AXIS_X ||
info->axis == CLUTTER_INPUT_AXIS_Y)
return FALSE;
if (fabs (info->max_value - info->min_value) < 0.0000001)
return FALSE;
width = info->max_value - info->min_value;
real_value = (info->max_axis * (value - info->min_value)
+ info->min_axis * (info->max_value - value))
/ width;
if (axis_value)
*axis_value = real_value;
return TRUE;
}
/**
* clutter_input_device_get_axis:
* @device: a #ClutterInputDevice
* @index_: the index of the axis
*
* Retrieves the type of axis on @device at the given index.
*
* Return value: the axis type
*
* Since: 1.6
*/
ClutterInputAxis
clutter_input_device_get_axis (ClutterInputDevice *device,
guint index_)
{
ClutterAxisInfo *info;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (device),
CLUTTER_INPUT_AXIS_IGNORE);
if (device->axes == NULL)
return CLUTTER_INPUT_AXIS_IGNORE;
if (index_ >= device->axes->len)
return CLUTTER_INPUT_AXIS_IGNORE;
info = &g_array_index (device->axes, ClutterAxisInfo, index_);
return info->axis;
}
/**
* clutter_input_device_get_axis_value:
* @device: a #ClutterInputDevice
* @axes: (array): an array of axes values, typically
* coming from clutter_event_get_axes()
* @axis: the axis to extract
* @value: (out): return location for the axis value
*
* Extracts the value of the given @axis of a #ClutterInputDevice from
* an array of axis values.
*
* An example of typical usage for this function is:
*
* |[
* ClutterInputDevice *device = clutter_event_get_device (event);
* gdouble *axes = clutter_event_get_axes (event, NULL);
* gdouble pressure_value = 0;
*
* clutter_input_device_get_axis_value (device, axes,
* CLUTTER_INPUT_AXIS_PRESSURE,
* &pressure_value);
* ]|
*
* Return value: %TRUE if the value was set, and %FALSE otherwise
*
* Since: 1.6
*/
gboolean
clutter_input_device_get_axis_value (ClutterInputDevice *device,
gdouble *axes,
ClutterInputAxis axis,
gdouble *value)
{
gint i;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (device), FALSE);
g_return_val_if_fail (device->axes != NULL, FALSE);
for (i = 0; i < device->axes->len; i++)
{
ClutterAxisInfo *info;
info = &g_array_index (device->axes, ClutterAxisInfo, i);
if (info->axis == axis)
{
if (value)
*value = axes[i];
return TRUE;
}
}
return FALSE;
}
/**
* clutter_input_device_get_n_axes:
* @device: a #ClutterInputDevice
*
* Retrieves the number of axes available on @device.
*
* Return value: the number of axes on the device
*
* Since: 1.6
*/
guint
clutter_input_device_get_n_axes (ClutterInputDevice *device)
{
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (device), 0);
if (device->axes != NULL)
return device->axes->len;
return 0;
}
/*< private >
* clutter_input_device_remove_sequence:
* @device: a #ClutterInputDevice
@ -1109,7 +857,6 @@ _clutter_input_device_add_scroll_info (ClutterInputDevice *device,
ClutterScrollInfo info;
g_return_if_fail (CLUTTER_IS_INPUT_DEVICE (device));
g_return_if_fail (index_ < clutter_input_device_get_n_axes (device));
info.axis_id = index_;
info.direction = direction;
@ -1136,7 +883,6 @@ _clutter_input_device_get_scroll_delta (ClutterInputDevice *device,
guint i;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (device), FALSE);
g_return_val_if_fail (index_ < clutter_input_device_get_n_axes (device), FALSE);
if (device->scroll_info == NULL)
return FALSE;

134
src/backends/x11/meta-input-device-x11.c
View File

@ -37,11 +37,26 @@ struct _MetaInputDeviceX11
float current_x;
float current_y;
GArray *axes;
#ifdef HAVE_LIBWACOM
GArray *group_modes;
#endif
};
typedef struct _MetaX11AxisInfo
{
ClutterInputAxis axis;
double min_axis;
double max_axis;
double min_value;
double max_value;
double resolution;
} MetaX11AxisInfo;
struct _MetaInputDeviceX11Class
{
ClutterInputDeviceClass device_class;
@ -133,6 +148,8 @@ meta_input_device_x11_finalize (GObject *object)
{
MetaInputDeviceX11 *device_xi2 = META_INPUT_DEVICE_X11 (object);
g_clear_pointer (&device_xi2->axes, g_array_unref);
#ifdef HAVE_LIBWACOM
if (device_xi2->group_modes)
g_array_unref (device_xi2->group_modes);
@ -460,6 +477,123 @@ meta_input_device_x11_get_device_id (ClutterInputDevice *device)
return device_xi2->device_id;
}
void
meta_input_device_x11_reset_axes (ClutterInputDevice *device)
{
MetaInputDeviceX11 *device_x11 = META_INPUT_DEVICE_X11 (device);
g_clear_pointer (&device_x11->axes, g_array_unref);
}
int
meta_input_device_x11_add_axis (ClutterInputDevice *device,
ClutterInputAxis axis,
double minimum,
double maximum,
double resolution)
{
MetaInputDeviceX11 *device_x11 = META_INPUT_DEVICE_X11 (device);
MetaX11AxisInfo info;
guint pos;
if (device_x11->axes == NULL)
device_x11->axes = g_array_new (FALSE, TRUE, sizeof (MetaX11AxisInfo));
info.axis = axis;
info.min_value = minimum;
info.max_value = maximum;
info.resolution = resolution;
switch (axis)
{
case CLUTTER_INPUT_AXIS_X:
case CLUTTER_INPUT_AXIS_Y:
info.min_axis = 0;
info.max_axis = 0;
break;
case CLUTTER_INPUT_AXIS_XTILT:
case CLUTTER_INPUT_AXIS_YTILT:
info.min_axis = -1;
info.max_axis = 1;
break;
default:
info.min_axis = 0;
info.max_axis = 1;
break;
}
g_array_append_val (device_x11->axes, info);
pos = device_x11->axes->len - 1;
return pos;
}
gboolean
meta_input_device_x11_get_axis (ClutterInputDevice *device,
int idx,
ClutterInputAxis *use)
{
MetaInputDeviceX11 *device_x11 = META_INPUT_DEVICE_X11 (device);
MetaX11AxisInfo *info;
if (device_x11->axes == NULL)
return FALSE;
if (idx < 0 || idx >= device_x11->axes->len)
return FALSE;
info = &g_array_index (device_x11->axes, MetaX11AxisInfo, idx);
if (use)
*use = info->axis;
return TRUE;
}
gboolean
meta_input_device_x11_translate_axis (ClutterInputDevice *device,
int idx,
double value,
double *axis_value)
{
MetaInputDeviceX11 *device_x11 = META_INPUT_DEVICE_X11 (device);
MetaX11AxisInfo *info;
double width;
double real_value;
if (device_x11->axes == NULL || idx < 0 || idx >= device_x11->axes->len)
return FALSE;
info = &g_array_index (device_x11->axes, MetaX11AxisInfo, idx);
if (info->axis == CLUTTER_INPUT_AXIS_X ||
info->axis == CLUTTER_INPUT_AXIS_Y)
return FALSE;
if (fabs (info->max_value - info->min_value) < 0.0000001)
return FALSE;
width = info->max_value - info->min_value;
real_value = (info->max_axis * (value - info->min_value)
+ info->min_axis * (info->max_value - value))
/ width;
if (axis_value)
*axis_value = real_value;
return TRUE;
}
int
meta_input_device_x11_get_n_axes (ClutterInputDevice *device)
{
MetaInputDeviceX11 *device_x11 = META_INPUT_DEVICE_X11 (device);
return device_x11->axes->len;
}
#ifdef HAVE_LIBWACOM
uint32_t
meta_input_device_x11_get_pad_group_mode (ClutterInputDevice *device,

15
src/backends/x11/meta-input-device-x11.h
View File

@ -71,6 +71,21 @@ gboolean meta_input_device_x11_get_pointer_location (ClutterInputDevice *device,
float *y);
int meta_input_device_x11_get_device_id (ClutterInputDevice *device);
int meta_input_device_x11_get_n_axes (ClutterInputDevice *device);
void meta_input_device_x11_reset_axes (ClutterInputDevice *device);
int meta_input_device_x11_add_axis (ClutterInputDevice *device,
ClutterInputAxis axis,
double minimum,
double maximum,
double resolution);
gboolean meta_input_device_x11_get_axis (ClutterInputDevice *device,
int idx,
ClutterInputAxis *use);
gboolean meta_input_device_x11_translate_axis (ClutterInputDevice *device,
int idx,
double value,
double *axis_value);
G_END_DECLS
#endif /* META_INPUT_DEVICE_X11_H */

13
src/backends/x11/meta-seat-x11.c
View File

@ -148,7 +148,7 @@ translate_valuator_class (Display *xdisplay,
}
}
_clutter_input_device_add_axis (device, axis,
meta_input_device_x11_add_axis (device, axis,
class->min,
class->max,
class->resolution);
@ -947,7 +947,7 @@ translate_pad_axis (ClutterInputDevice *device,
if (val <= 0)
continue;
_clutter_input_device_translate_axis (device, i, val, value);
meta_input_device_x11_translate_axis (device, i, val, value);
if (i == PAD_AXIS_RING1 || i == PAD_AXIS_RING2)
{
@ -1146,8 +1146,9 @@ translate_axes (ClutterInputDevice *device,
if (!XIMaskIsSet (valuators->mask, i))
continue;
if (!meta_input_device_x11_get_axis (device, i, &axis))
continue;
axis = clutter_input_device_get_axis (device, i);
val = *values++;
switch (axis)
@ -1161,7 +1162,7 @@ translate_axes (ClutterInputDevice *device,
break;
default:
_clutter_input_device_translate_axis (device, i, val, &retval[axis]);
meta_input_device_x11_translate_axis (device, i, val, &retval[axis]);
break;
}
}
@ -1179,7 +1180,7 @@ scroll_valuators_changed (ClutterInputDevice *device,
uint32_t n_axes, n_val, i;
double *values;
n_axes = clutter_input_device_get_n_axes (device);
n_axes = meta_input_device_x11_get_n_axes (device);
values = valuators->values;
*dx_p = *dy_p = 0.0;
@ -1785,7 +1786,7 @@ meta_seat_x11_translate_event (MetaSeatX11 *seat,
GINT_TO_POINTER (xev->sourceid));
if (device)
{
_clutter_input_device_reset_axes (device);
meta_input_device_x11_reset_axes (device);
translate_device_classes (clutter_x11_get_default_display (),
device,
xev->classes,

50
src/tests/clutter/interactive/test-devices.c
View File

@ -49,34 +49,6 @@ device_type_name (ClutterInputDevice *device)
}
}
static const gchar *
axis_type_name (ClutterInputAxis axis)
{
switch (axis)
{
case CLUTTER_INPUT_AXIS_X:
return "Absolute X";
case CLUTTER_INPUT_AXIS_Y:
return "Absolute Y";
case CLUTTER_INPUT_AXIS_PRESSURE:
return "Pressure";
case CLUTTER_INPUT_AXIS_XTILT:
return "X Tilt";
case CLUTTER_INPUT_AXIS_YTILT:
return "Y Tilt";
case CLUTTER_INPUT_AXIS_WHEEL:
return "Wheel";
default:
return "Unknown";
}
}
static gboolean
stage_button_event_cb (ClutterActor *actor,
ClutterEvent *event,
@ -85,21 +57,18 @@ stage_button_event_cb (ClutterActor *actor,
ClutterInputDevice *device;
ClutterInputDevice *source_device;
ClutterActor *hand = NULL;
gdouble *axes;
guint n_axes, i;
device = clutter_event_get_device (event);
source_device = clutter_event_get_source_device (event);
hand = g_hash_table_lookup (app->devices, device);
g_print ("Device: '%s' (type: %s, source: '%s', axes: %d)\n",
g_print ("Device: '%s' (type: %s, source: '%s')\n",
clutter_input_device_get_device_name (device),
device_type_name (device),
source_device != device
? clutter_input_device_get_device_name (source_device)
: "<same>",
clutter_input_device_get_n_axes (device));
: "<same>");
if (hand != NULL)
{
@ -109,21 +78,6 @@ stage_button_event_cb (ClutterActor *actor,
clutter_actor_set_position (hand, event_x, event_y);
}
axes = clutter_event_get_axes (event, &n_axes);
for (i = 0; i < n_axes; i++)
{
ClutterInputAxis axis;
axis = clutter_input_device_get_axis (device, i);
if (axis == CLUTTER_INPUT_AXIS_IGNORE)
continue;
g_print ("\tAxis[%2d][%s].value: %.2f\n",
i,
axis_type_name (axis),
axes[i]);
}
return FALSE;
}