static RutInputEventStatus
_rut_button_grab_input_cb (RutInputEvent *event,
void *user_data)
{
ButtonGrabState *state = user_data;
RutButton *button = state->button;
if(rut_input_event_get_type (event) == RUT_INPUT_EVENT_TYPE_MOTION)
{
RutShell *shell = button->ctx->shell;
if (rut_motion_event_get_action (event) == RUT_MOTION_EVENT_ACTION_UP)
{
rut_shell_ungrab_input (shell, _rut_button_grab_input_cb, user_data);
rut_closure_list_invoke (&button->on_click_cb_list,
RutButtonClickCallback,
button);
g_slice_free (ButtonGrabState, state);
button->state = BUTTON_STATE_NORMAL;
rut_shell_queue_redraw (button->ctx->shell);
return RUT_INPUT_EVENT_STATUS_HANDLED;
}
else if (rut_motion_event_get_action (event) ==
RUT_MOTION_EVENT_ACTION_MOVE)
{
float x = rut_motion_event_get_x (event);
float y = rut_motion_event_get_y (event);
RutCamera *camera = state->camera;
rut_camera_unproject_coord (camera,
&state->transform,
&state->inverse_transform,
0,
&x,
&y);
if (x < 0 || x > button->width ||
y < 0 || y > button->height)
button->state = BUTTON_STATE_ACTIVE_CANCEL;
else
button->state = BUTTON_STATE_ACTIVE;
rut_shell_queue_redraw (button->ctx->shell);
return RUT_INPUT_EVENT_STATUS_HANDLED;
}
}
return RUT_INPUT_EVENT_STATUS_UNHANDLED;
}
bool
map_window_coords_to_overlay_coord (RutCamera *camera, /* 2d ui camera */
RutObject *overlay, /* camera-view overlay */
float *x,
float *y)
{
CoglMatrix transform;
CoglMatrix inverse_transform;
rut_graphable_get_modelview (overlay, camera, &transform);
if (!cogl_matrix_get_inverse (&transform, &inverse_transform))
return FALSE;
rut_camera_unproject_coord (camera,
&transform,
&inverse_transform,
0, /* object_coord_z */
x,
y);
return TRUE;
}
bool
map_window_coords_to_overlay_coord(rut_object_t *camera, /* 2d ui camera */
rut_object_t *overlay, /* camera-view
overlay */
float *x,
float *y)
{
c_matrix_t transform;
c_matrix_t inverse_transform;
rut_graphable_get_modelview(overlay, camera, &transform);
if (!c_matrix_get_inverse(&transform, &inverse_transform))
return false;
rut_camera_unproject_coord(camera,
&transform,
&inverse_transform,
0, /* object_coord_z */
x,
y);
return true;
}
