int getWidget(CameraWidget ** widget, CameraWidget ** child, const char * setting) {
CameraWidgetType type;
int ret = gp_camera_get_config (camera, widget, context);
if (ret < GP_OK) {
fprintf (stderr, "camera_get_config failed: %d\n", ret);
return ret;
}
ret = _lookup_widget (*widget, setting, child);
if (ret < GP_OK || child == NULL) {
fprintf (stderr, "l lookup widget %s failed: %d\n", setting, ret);
gp_widget_free (*widget);
return ret;
}
/* This type check is optional, if you know what type the label
* has already. If you are not sure, better check. */
ret = gp_widget_get_type (*child, &type);
if (ret < GP_OK) {
fprintf (stderr, "l widget get type failed: %d\n", ret);
gp_widget_free (*widget);
return ret;
}
return GP_OK;
}
int set_config_value_string (Camera *camera, const char *key, char *val, GPContext *context)
{
CameraWidget *widget = NULL, *child = NULL;
CameraWidgetType type;
int ret;
ret = gp_camera_get_config (camera, &widget, context);
if (ret < GP_OK)
{
fprintf (stderr, "camera_get_config failed: %d\n", ret);
return ret;
}
ret = _lookup_widget (widget, key, &child);
if (ret < GP_OK)
{
fprintf (stderr, "lookup widget failed: %d\n", ret);
goto out;
}
/* This type check is optional, if you know what type the label
* has already. If you are not sure, better check. */
ret = gp_widget_get_type (child, &type);
if (ret < GP_OK)
{
fprintf (stderr, "widget get type failed: %d\n", ret);
goto out;
}
switch (type)
{
case GP_WIDGET_MENU:
case GP_WIDGET_RADIO:
case GP_WIDGET_TEXT:
break;
default:
fprintf (stderr, "widget has bad type %d\n", type);
ret = GP_ERROR_BAD_PARAMETERS;
goto out;
}
/* This is the actual set call. Note that we keep
* ownership of the string and have to free it if necessary.
*/
ret = gp_widget_set_value (child, val);
if (ret < GP_OK)
{
fprintf (stderr, "could not set widget value: %d\n", ret);
goto out;
}
/* This stores it on the camera again */
ret = gp_camera_set_config (camera, widget, context);
if (ret < GP_OK)
{
fprintf (stderr, "camera_set_config failed: %d\n", ret);
return ret;
}
out:
gp_widget_free (widget);
return ret;
}
int
camera_auto_focus(Camera *camera, GPContext *context, int onoff) {
CameraWidget *widget = NULL, *child = NULL;
CameraWidgetType type;
int ret,val;
ret = gp_camera_get_config (camera, &widget, context);
if (ret < GP_OK) {
fprintf (stderr, "camera_get_config failed: %d\n", ret);
return ret;
}
ret = _lookup_widget (widget, "autofocusdrive", &child);
if (ret < GP_OK) {
fprintf (stderr, "lookup 'autofocusdrive' failed: %d\n", ret);
goto out;
}
/* check that this is a toggle */
ret = gp_widget_get_type (child, &type);
if (ret < GP_OK) {
fprintf (stderr, "widget get type failed: %d\n", ret);
goto out;
}
switch (type) {
case GP_WIDGET_TOGGLE:
break;
default:
fprintf (stderr, "widget has bad type %d\n", type);
ret = GP_ERROR_BAD_PARAMETERS;
goto out;
}
ret = gp_widget_get_value (child, &val);
if (ret < GP_OK) {
fprintf (stderr, "could not get widget value: %d\n", ret);
goto out;
}
val = onoff;
ret = gp_widget_set_value (child, &val);
if (ret < GP_OK) {
fprintf (stderr, "could not set widget value to 1: %d\n", ret);
goto out;
}
ret = gp_camera_set_config (camera, widget, context);
if (ret < GP_OK) {
fprintf (stderr, "could not set config tree to autofocus: %d\n", ret);
goto out;
}
out:
gp_widget_free (widget);
return ret;
}
int set_config_value_float (Camera *camera, const char *key, float *value, GPContext *context)
{
CameraWidget *widget = NULL, *child = NULL;
CameraWidgetType type;
int ret;
printf("Hai sa vedem ce e busit dintre camera si context %p %p\n",camera,context);
ret = gp_camera_get_config (camera, &widget, context);
if (ret < GP_OK)
{
fprintf (stderr, "camera_get_config failed: %d\n", ret);
return ret;
}
ret = _lookup_widget (widget, key, &child);
if (ret < GP_OK)
{
printf("name: %s",key);
fprintf (stderr, "lookup widget failed: %d\n", ret);
goto out;
}
/* This type check is optional, if you know what type the label
* has already. If you are not sure, better check. */
ret = gp_widget_get_type (child, &type);
if (ret < GP_OK)
{
fprintf (stderr, "widget get type failed: %d\n", ret);
goto out;
}
switch (type)
{
case GP_WIDGET_RANGE:
break;
default:
fprintf (stderr, "widget has bad type %d\n", type);
ret = GP_ERROR_BAD_PARAMETERS;
goto out;
}
ret = gp_widget_set_value (child, value);
if (ret < GP_OK)
{
fprintf (stderr, "could not set widget value: %d\n", ret);
goto out;
}
/* This stores it on the camera again */
ret = gp_camera_set_config (camera, widget, context);
if (ret < GP_OK)
{
fprintf (stderr, "camera_set_config failed: %d\n", ret);
return ret;
}
out:
gp_widget_free (widget);
return ret;
}
int get_config_value_string (Camera *camera, const char *key, char **str, GPContext *context)
{
CameraWidget *widget = NULL, *child = NULL;
CameraWidgetType type;
int ret;
char *val;
ret = gp_camera_get_config (camera, &widget, context);
if (ret < GP_OK)
{
fprintf (stderr, "camera_get_config failed: %d\n", ret);
return ret;
}
ret = _lookup_widget (widget, key, &child);
if (ret < GP_OK)
{
fprintf (stderr, "lookup widget failed: %d\n", ret);
goto out;
}
/* This type check is optional, if you know what type the label
* has already. If you are not sure, better check. */
ret = gp_widget_get_type (child, &type);
if (ret < GP_OK)
{
fprintf (stderr, "widget get type failed: %d\n", ret);
goto out;
}
switch (type)
{
case GP_WIDGET_MENU:
case GP_WIDGET_RADIO:
case GP_WIDGET_TEXT:
break;
default:
fprintf (stderr, "widget has bad type %d\n", type);
ret = GP_ERROR_BAD_PARAMETERS;
goto out;
}
/* This is the actual query call. Note that we just
* a pointer reference to the string, not a copy... */
ret = gp_widget_get_value (child, &val);
if (ret < GP_OK)
{
fprintf (stderr, "could not query widget value: %d\n", ret);
goto out;
}
/* Create a new copy for our caller. */
*str = strdup (val);
out:
gp_widget_free (widget);
return ret;
}
int canon_enable_capture(Camera *camera, int onoff, GPContext *context) {
CameraWidget *widget = NULL, *child = NULL;
CameraWidgetType type;
int ret;
ret = gp_camera_get_config(camera, &widget, context);
if (ret < GP_OK) {
fprintf(stderr, "camera_get_config failed: %d\n", ret);
return ret;
}
ret = _lookup_widget(widget, "capture", &child);
if (ret < GP_OK) {
/*fprintf (stderr, "lookup widget failed: %d\n", ret);*/
goto out;
}
ret = gp_widget_get_type(child, &type);
if (ret < GP_OK) {
fprintf(stderr, "widget get type failed: %d\n", ret);
goto out;
}
switch (type) {
case GP_WIDGET_TOGGLE:
break;
default:
fprintf(stderr, "widget has bad type %d\n", type);
ret = GP_ERROR_BAD_PARAMETERS;
goto out;
}
/* Now set the toggle to the wanted value */
ret = gp_widget_set_value(child, &onoff);
if (ret < GP_OK) {
fprintf(stderr, "toggling Canon capture to %d failed with %d\n", onoff,
ret);
goto out;
}
/* OK */
ret = gp_camera_set_config(camera, widget, context);
if (ret < GP_OK) {
fprintf(stderr, "camera_set_config failed: %d\n", ret);
return ret;
}
out:
gp_widget_free(widget);
return ret;
}
/* Manual focusing a camera...
* xx is -3 / -2 / -1 / 0 / 1 / 2 / 3
*/
int
camera_manual_focus (Camera *camera, int xx, GPContext *context) {
CameraWidget *widget = NULL, *child = NULL;
CameraWidgetType type;
int ret;
float rval;
char *mval;
ret = gp_camera_get_config (camera, &widget, context);
if (ret < GP_OK) {
fprintf (stderr, "camera_get_config failed: %d\n", ret);
return ret;
}
ret = _lookup_widget (widget, "manualfocusdrive", &child);
if (ret < GP_OK) {
fprintf (stderr, "lookup 'manualfocusdrive' failed: %d\n", ret);
goto out;
}
/* check that this is a toggle */
ret = gp_widget_get_type (child, &type);
if (ret < GP_OK) {
fprintf (stderr, "widget get type failed: %d\n", ret);
goto out;
}
switch (type) {
case GP_WIDGET_RADIO: {
int choices = gp_widget_count_choices (child);
ret = gp_widget_get_value (child, &mval);
if (ret < GP_OK) {
fprintf (stderr, "could not get widget value: %d\n", ret);
goto out;
}
if (choices == 7) { /* see what Canon has in EOS_MFDrive */
ret = gp_widget_get_choice (child, xx+4, (const char**)&mval);
if (ret < GP_OK) {
fprintf (stderr, "could not get widget choice %d: %d\n", xx+2, ret);
goto out;
}
fprintf(stderr,"manual focus %d -> %s\n", xx, mval);
}
ret = gp_widget_set_value (child, mval);
if (ret < GP_OK) {
fprintf (stderr, "could not set widget value to 1: %d\n", ret);
goto out;
}
break;
}
case GP_WIDGET_RANGE:
ret = gp_widget_get_value (child, &rval);
if (ret < GP_OK) {
fprintf (stderr, "could not get widget value: %d\n", ret);
goto out;
}
switch (xx) { /* Range is on Nikon from -32768 <-> 32768 */
case -3: rval = -1024;break;
case -2: rval = -512;break;
case -1: rval = -128;break;
case 0: rval = 0;break;
case 1: rval = 128;break;
case 2: rval = 512;break;
case 3: rval = 1024;break;
default: rval = xx; break; /* hack */
}
fprintf(stderr,"manual focus %d -> %f\n", xx, rval);
ret = gp_widget_set_value (child, &rval);
if (ret < GP_OK) {
fprintf (stderr, "could not set widget value to 1: %d\n", ret);
goto out;
}
break;
default:
fprintf (stderr, "widget has bad type %d\n", type);
ret = GP_ERROR_BAD_PARAMETERS;
goto out;
}
ret = gp_camera_set_config (camera, widget, context);
if (ret < GP_OK) {
fprintf (stderr, "could not set config tree to autofocus: %d\n", ret);
goto out;
}
out:
gp_widget_free (widget);
return ret;
}
