GimpLayer *
gimp_image_merge_down (GimpImage *image,
GimpLayer *current_layer,
GimpContext *context,
GimpMergeType merge_type,
GError **error)
{
GimpLayer *layer;
GList *list;
GList *layer_list = NULL;
GSList *merge_list = NULL;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_LAYER (current_layer), NULL);
g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (current_layer)), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
for (list = gimp_item_get_container_iter (GIMP_ITEM (current_layer));
list;
list = g_list_next (list))
{
layer = list->data;
if (layer == current_layer)
break;
}
for (layer_list = g_list_next (list);
layer_list;
layer_list = g_list_next (layer_list))
{
layer = layer_list->data;
if (gimp_item_get_visible (GIMP_ITEM (layer)))
{
if (gimp_viewable_get_children (GIMP_VIEWABLE (layer)))
{
g_set_error_literal (error, 0, 0,
_("Cannot merge down to a layer group."));
return NULL;
}
if (gimp_item_is_content_locked (GIMP_ITEM (layer)))
{
g_set_error_literal (error, 0, 0,
_("The layer to merge down to is locked."));
return NULL;
}
merge_list = g_slist_append (NULL, layer);
break;
}
}
if (! merge_list)
{
g_set_error_literal (error, 0, 0,
_("There is no visible layer to merge down to."));
return NULL;
}
merge_list = g_slist_prepend (merge_list, current_layer);
gimp_set_busy (image->gimp);
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_IMAGE_LAYERS_MERGE,
C_("undo-type", "Merge Down"));
layer = gimp_image_merge_layers (image,
gimp_item_get_container (GIMP_ITEM (current_layer)),
merge_list, context, merge_type);
g_slist_free (merge_list);
gimp_image_undo_group_end (image);
gimp_unset_busy (image->gimp);
return layer;
}
void
layers_actions_update (GimpActionGroup *group,
gpointer data)
{
GimpImage *image = action_data_get_image (data);
GimpLayer *layer = NULL;
GimpLayerMask *mask = NULL; /* layer mask */
gboolean fs = FALSE; /* floating sel */
gboolean ac = FALSE; /* active channel */
gboolean sel = FALSE;
gboolean alpha = FALSE; /* alpha channel present */
gboolean indexed = FALSE; /* is indexed */
gboolean lock_alpha = FALSE;
gboolean can_lock_alpha = FALSE;
gboolean text_layer = FALSE;
gboolean writable = FALSE;
gboolean children = FALSE;
GList *next = NULL;
GList *next_visible = NULL;
GList *prev = NULL;
if (image)
{
fs = (gimp_image_get_floating_selection (image) != NULL);
ac = (gimp_image_get_active_channel (image) != NULL);
sel = ! gimp_channel_is_empty (gimp_image_get_mask (image));
indexed = (gimp_image_base_type (image) == GIMP_INDEXED);
layer = gimp_image_get_active_layer (image);
if (layer)
{
GList *layer_list;
GList *list;
mask = gimp_layer_get_mask (layer);
lock_alpha = gimp_layer_get_lock_alpha (layer);
can_lock_alpha = gimp_layer_can_lock_alpha (layer);
alpha = gimp_drawable_has_alpha (GIMP_DRAWABLE (layer));
writable = ! gimp_item_is_content_locked (GIMP_ITEM (layer));
if (gimp_viewable_get_children (GIMP_VIEWABLE (layer)))
children = TRUE;
layer_list = gimp_item_get_container_iter (GIMP_ITEM (layer));
list = g_list_find (layer_list, layer);
if (list)
{
prev = g_list_previous (list);
next = g_list_next (list);
for (next_visible = next;
next_visible;
next_visible = g_list_next (next_visible))
{
if (gimp_item_get_visible (next_visible->data))
{
/* "next_visible" is actually "next_visible" and
* "writable" and "not group"
*/
if (gimp_item_is_content_locked (next_visible->data) ||
gimp_viewable_get_children (next_visible->data))
next_visible = NULL;
break;
}
}
}
text_layer = gimp_item_is_text_layer (GIMP_ITEM (layer));
}
}
#define SET_VISIBLE(action,condition) \
gimp_action_group_set_action_visible (group, action, (condition) != 0)
#define SET_SENSITIVE(action,condition) \
gimp_action_group_set_action_sensitive (group, action, (condition) != 0)
#define SET_ACTIVE(action,condition) \
gimp_action_group_set_action_active (group, action, (condition) != 0)
#define SET_LABEL(action,label) \
gimp_action_group_set_action_label (group, action, label)
SET_VISIBLE ("layers-text-tool", text_layer && !ac);
SET_SENSITIVE ("layers-edit-attributes", layer && !fs && !ac);
if (layer && gimp_layer_is_floating_sel (layer))
{
SET_LABEL ("layers-new", C_("layers-action", "To _New Layer"));
SET_LABEL ("layers-new-last-values", C_("layers-action", "To _New Layer"));
}
else
{
SET_LABEL ("layers-new", C_("layers-action", "_New Layer..."));
SET_LABEL ("layers-new-last-values", C_("layers-action", "_New Layer"));
}
SET_SENSITIVE ("layers-new", image);
SET_SENSITIVE ("layers-new-last-values", image);
SET_SENSITIVE ("layers-new-from-visible", image);
SET_SENSITIVE ("layers-new-group", image && !indexed);
SET_SENSITIVE ("layers-duplicate", layer && !fs && !ac);
SET_SENSITIVE ("layers-delete", layer && !ac);
SET_SENSITIVE ("layers-select-top", layer && !fs && !ac && prev);
SET_SENSITIVE ("layers-select-bottom", layer && !fs && !ac && next);
SET_SENSITIVE ("layers-select-previous", layer && !fs && !ac && prev);
SET_SENSITIVE ("layers-select-next", layer && !fs && !ac && next);
SET_SENSITIVE ("layers-raise", layer && !fs && !ac && prev);
SET_SENSITIVE ("layers-raise-to-top", layer && !fs && !ac && prev);
SET_SENSITIVE ("layers-lower", layer && !fs && !ac && next);
SET_SENSITIVE ("layers-lower-to-bottom", layer && !fs && !ac && next);
SET_SENSITIVE ("layers-anchor", layer && fs && !ac);
SET_SENSITIVE ("layers-merge-down", layer && !fs && !ac && next_visible);
SET_VISIBLE ("layers-merge-group", children);
SET_SENSITIVE ("layers-merge-group", layer && !fs && !ac && children);
SET_SENSITIVE ("layers-merge-layers", layer && !fs && !ac);
SET_SENSITIVE ("layers-flatten-image", layer && !fs && !ac);
SET_VISIBLE ("layers-text-discard", text_layer && !ac);
SET_VISIBLE ("layers-text-to-vectors", text_layer && !ac);
SET_VISIBLE ("layers-text-along-vectors", text_layer && !ac);
SET_SENSITIVE ("layers-resize", writable && !ac);
SET_SENSITIVE ("layers-resize-to-image", writable && !ac);
SET_SENSITIVE ("layers-scale", writable && !ac);
SET_SENSITIVE ("layers-crop", writable && sel);
SET_SENSITIVE ("layers-alpha-add", writable && !children && !fs && !alpha);
SET_SENSITIVE ("layers-alpha-remove", writable && !children && !fs && alpha);
SET_SENSITIVE ("layers-lock-alpha", can_lock_alpha);
SET_ACTIVE ("layers-lock-alpha", lock_alpha);
SET_SENSITIVE ("layers-mask-add", layer && !fs && !ac && !mask && !children);
SET_SENSITIVE ("layers-mask-apply", writable && !fs && !ac && mask && !children);
SET_SENSITIVE ("layers-mask-delete", layer && !fs && !ac && mask);
SET_SENSITIVE ("layers-mask-edit", layer && !fs && !ac && mask);
SET_SENSITIVE ("layers-mask-show", layer && !fs && !ac && mask);
SET_SENSITIVE ("layers-mask-disable", layer && !fs && !ac && mask);
SET_ACTIVE ("layers-mask-edit", mask && gimp_layer_mask_get_edit (mask));
SET_ACTIVE ("layers-mask-show", mask && gimp_layer_mask_get_show (mask));
SET_ACTIVE ("layers-mask-disable", mask && !gimp_layer_mask_get_apply (mask));
SET_SENSITIVE ("layers-mask-selection-replace", layer && !fs && !ac && mask);
SET_SENSITIVE ("layers-mask-selection-add", layer && !fs && !ac && mask);
SET_SENSITIVE ("layers-mask-selection-subtract", layer && !fs && !ac && mask);
SET_SENSITIVE ("layers-mask-selection-intersect", layer && !fs && !ac && mask);
SET_SENSITIVE ("layers-alpha-selection-replace", layer && !fs && !ac);
SET_SENSITIVE ("layers-alpha-selection-add", layer && !fs && !ac);
SET_SENSITIVE ("layers-alpha-selection-subtract", layer && !fs && !ac);
SET_SENSITIVE ("layers-alpha-selection-intersect", layer && !fs && !ac);
#undef SET_VISIBLE
#undef SET_SENSITIVE
#undef SET_ACTIVE
#undef SET_LABEL
}
void
channels_actions_update (GimpActionGroup *group,
gpointer data)
{
GimpImage *image = action_data_get_image (data);
GimpChannel *channel = NULL;
gboolean fs = FALSE;
gboolean component = FALSE;
GList *next = NULL;
GList *prev = NULL;
if (image)
{
fs = (gimp_image_get_floating_selection (image) != NULL);
if (GIMP_IS_COMPONENT_EDITOR (data))
{
if (GIMP_COMPONENT_EDITOR (data)->clicked_component != -1)
component = TRUE;
}
else
{
channel = gimp_image_get_active_channel (image);
if (channel)
{
GList *channel_list;
GList *list;
channel_list = gimp_item_get_container_iter (GIMP_ITEM (channel));
list = g_list_find (channel_list, channel);
if (list)
{
prev = g_list_previous (list);
next = g_list_next (list);
}
}
}
}
#define SET_SENSITIVE(action,condition) \
gimp_action_group_set_action_sensitive (group, action, (condition) != 0)
SET_SENSITIVE ("channels-edit-attributes", !fs && channel);
SET_SENSITIVE ("channels-new", !fs && image);
SET_SENSITIVE ("channels-new-last-values", !fs && image);
SET_SENSITIVE ("channels-duplicate", !fs && (channel || component));
SET_SENSITIVE ("channels-delete", !fs && channel);
SET_SENSITIVE ("channels-raise", !fs && channel && prev);
SET_SENSITIVE ("channels-raise-to-top", !fs && channel && prev);
SET_SENSITIVE ("channels-lower", !fs && channel && next);
SET_SENSITIVE ("channels-lower-to-bottom", !fs && channel && next);
SET_SENSITIVE ("channels-selection-replace", !fs && (channel || component));
SET_SENSITIVE ("channels-selection-add", !fs && (channel || component));
SET_SENSITIVE ("channels-selection-subtract", !fs && (channel || component));
SET_SENSITIVE ("channels-selection-intersect", !fs && (channel || component));
#undef SET_SENSITIVE
items_actions_update (group, "channels", GIMP_ITEM (channel));
}
void
vectors_actions_update (GimpActionGroup *group,
gpointer data)
{
GimpImage *image = action_data_get_image (data);
GimpVectors *vectors = NULL;
GimpDrawable *drawable = NULL;
gint n_vectors = 0;
gboolean mask_empty = TRUE;
gboolean visible = FALSE;
gboolean linked = FALSE;
gboolean locked = FALSE;
gboolean can_lock = FALSE;
gboolean locked_pos = FALSE;
gboolean can_lock_pos = FALSE;
gboolean dr_writable = FALSE;
gboolean dr_children = FALSE;
GList *next = NULL;
GList *prev = NULL;
if (image)
{
n_vectors = gimp_image_get_n_vectors (image);
mask_empty = gimp_channel_is_empty (gimp_image_get_mask (image));
vectors = gimp_image_get_active_vectors (image);
if (vectors)
{
GimpItem *item = GIMP_ITEM (vectors);
GList *vectors_list;
GList *list;
visible = gimp_item_get_visible (item);
linked = gimp_item_get_linked (item);
locked = gimp_item_get_lock_content (item);
can_lock = gimp_item_can_lock_content (item);
locked_pos = gimp_item_get_lock_position (item);
can_lock_pos = gimp_item_can_lock_position (item);
vectors_list = gimp_item_get_container_iter (item);
list = g_list_find (vectors_list, vectors);
if (list)
{
prev = g_list_previous (list);
next = g_list_next (list);
}
}
drawable = gimp_image_get_active_drawable (image);
if (drawable)
{
GimpItem *item = GIMP_ITEM (drawable);
dr_writable = ! gimp_item_is_content_locked (item);
if (gimp_viewable_get_children (GIMP_VIEWABLE (item)))
dr_children = TRUE;
}
}
#define SET_SENSITIVE(action,condition) \
gimp_action_group_set_action_sensitive (group, action, (condition) != 0)
#define SET_ACTIVE(action,condition) \
gimp_action_group_set_action_active (group, action, (condition) != 0)
SET_SENSITIVE ("vectors-path-tool", vectors);
SET_SENSITIVE ("vectors-edit-attributes", vectors);
SET_SENSITIVE ("vectors-new", image);
SET_SENSITIVE ("vectors-new-last-values", image);
SET_SENSITIVE ("vectors-duplicate", vectors);
SET_SENSITIVE ("vectors-delete", vectors);
SET_SENSITIVE ("vectors-merge-visible", n_vectors > 1);
SET_SENSITIVE ("vectors-raise", vectors && prev);
SET_SENSITIVE ("vectors-raise-to-top", vectors && prev);
SET_SENSITIVE ("vectors-lower", vectors && next);
SET_SENSITIVE ("vectors-lower-to-bottom", vectors && next);
SET_SENSITIVE ("vectors-copy", vectors);
SET_SENSITIVE ("vectors-paste", image);
SET_SENSITIVE ("vectors-export", vectors);
SET_SENSITIVE ("vectors-import", image);
SET_SENSITIVE ("vectors-visible", vectors);
SET_SENSITIVE ("vectors-linked", vectors);
SET_SENSITIVE ("vectors-lock-content", can_lock);
SET_SENSITIVE ("vectors-lock-position", can_lock_pos);
SET_ACTIVE ("vectors-visible", visible);
SET_ACTIVE ("vectors-linked", linked);
SET_ACTIVE ("vectors-lock-content", locked);
SET_ACTIVE ("vectors-lock-position", locked_pos);
SET_SENSITIVE ("vectors-selection-to-vectors", image && !mask_empty);
SET_SENSITIVE ("vectors-selection-to-vectors-short", image && !mask_empty);
SET_SENSITIVE ("vectors-selection-to-vectors-advanced", image && !mask_empty);
SET_SENSITIVE ("vectors-fill", vectors &&
dr_writable &&
!dr_children);
SET_SENSITIVE ("vectors-fill-last-values", vectors &&
dr_writable &&
!dr_children);
SET_SENSITIVE ("vectors-stroke", vectors &&
dr_writable &&
!dr_children);
SET_SENSITIVE ("vectors-stroke-last-values", vectors &&
dr_writable &&
!dr_children);
SET_SENSITIVE ("vectors-selection-replace", vectors);
SET_SENSITIVE ("vectors-selection-from-vectors", vectors);
SET_SENSITIVE ("vectors-selection-add", vectors);
SET_SENSITIVE ("vectors-selection-subtract", vectors);
SET_SENSITIVE ("vectors-selection-intersect", vectors);
#undef SET_SENSITIVE
#undef SET_ACTIVE
}
