GimpLayer *
gimp_image_flatten (GimpImage *image,
GimpContext *context,
GError **error)
{
GList *list;
GSList *merge_list = NULL;
GimpLayer *layer;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
for (list = gimp_image_get_layer_iter (image);
list;
list = g_list_next (list))
{
layer = list->data;
if (gimp_layer_is_floating_sel (layer))
continue;
if (gimp_item_get_visible (GIMP_ITEM (layer)))
merge_list = g_slist_append (merge_list, layer);
}
if (merge_list)
{
gimp_set_busy (image->gimp);
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_IMAGE_LAYERS_MERGE,
C_("undo-type", "Flatten Image"));
/* if there's a floating selection, anchor it */
if (gimp_image_get_floating_selection (image))
floating_sel_anchor (gimp_image_get_floating_selection (image));
layer = gimp_image_merge_layers (image,
gimp_image_get_layers (image),
merge_list, context,
GIMP_FLATTEN_IMAGE);
g_slist_free (merge_list);
gimp_image_alpha_changed (image);
gimp_image_undo_group_end (image);
gimp_unset_busy (image->gimp);
return layer;
}
g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
_("Cannot flatten an image without any visible layer."));
return NULL;
}
static void
layer_select_advance (LayerSelect *layer_select,
gint move)
{
GimpLayer *active_layer;
GimpLayer *next_layer;
GList *layers;
gint n_layers;
gint index;
if (move == 0)
return;
/* If there is a floating selection, allow no advancement */
if (gimp_image_get_floating_selection (layer_select->image))
return;
active_layer = gimp_image_get_active_layer (layer_select->image);
layers = gimp_image_get_layer_list (layer_select->image);
n_layers = g_list_length (layers);
index = g_list_index (layers, active_layer);
index += move;
if (index < 0)
index = n_layers - 1;
else if (index >= n_layers)
index = 0;
next_layer = g_list_nth_data (layers, index);
g_list_free (layers);
if (next_layer && next_layer != active_layer)
{
active_layer = gimp_image_set_active_layer (layer_select->image,
next_layer);
if (active_layer)
{
gimp_view_set_viewable (GIMP_VIEW (layer_select->view),
GIMP_VIEWABLE (active_layer));
gtk_label_set_text (GTK_LABEL (layer_select->label),
gimp_object_get_name (active_layer));
}
}
}
void
layers_new_cmd_callback (GtkAction *action,
gpointer data)
{
LayerOptionsDialog *dialog;
GimpImage *image;
GtkWidget *widget;
GimpLayer *floating_sel;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
/* If there is a floating selection, the new command transforms
* the current fs into a new layer
*/
if ((floating_sel = gimp_image_get_floating_selection (image)))
{
GError *error = NULL;
if (! floating_sel_to_layer (floating_sel, &error))
{
gimp_message_literal (image->gimp,
G_OBJECT (widget), GIMP_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
return;
}
gimp_image_flush (image);
return;
}
dialog = layer_options_dialog_new (image, NULL,
action_data_get_context (data),
widget,
layer_name ? layer_name : _("Layer"),
layer_fill_type,
_("New Layer"),
"gimp-layer-new",
GIMP_STOCK_LAYER,
_("Create a New Layer"),
GIMP_HELP_LAYER_NEW);
g_signal_connect (dialog->dialog, "response",
G_CALLBACK (layers_new_layer_response),
dialog);
gtk_widget_show (dialog->dialog);
}
void
select_actions_update (GimpActionGroup *group,
gpointer data)
{
GimpImage *image = action_data_get_image (data);
GimpDrawable *drawable = NULL;
gboolean fs = FALSE;
gboolean sel = FALSE;
gboolean writable = FALSE;
gboolean children = FALSE;
if (image)
{
drawable = gimp_image_get_active_drawable (image);
if (drawable)
{
writable = ! gimp_item_is_content_locked (GIMP_ITEM (drawable));
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
children = TRUE;
}
fs = (gimp_image_get_floating_selection (image) != NULL);
sel = ! gimp_channel_is_empty (gimp_image_get_mask (image));
}
#define SET_SENSITIVE(action,condition) \
gimp_action_group_set_action_sensitive (group, action, (condition) != 0)
SET_SENSITIVE ("select-all", drawable);
SET_SENSITIVE ("select-none", drawable && sel);
SET_SENSITIVE ("select-invert", drawable);
SET_SENSITIVE ("select-float", writable && !children && sel);
SET_SENSITIVE ("select-feather", drawable && sel);
SET_SENSITIVE ("select-sharpen", drawable && sel);
SET_SENSITIVE ("select-shrink", drawable && sel);
SET_SENSITIVE ("select-grow", drawable && sel);
SET_SENSITIVE ("select-border", drawable && sel);
SET_SENSITIVE ("select-flood", drawable && sel);
SET_SENSITIVE ("select-save", drawable && !fs);
SET_SENSITIVE ("select-stroke", writable && !children && sel);
SET_SENSITIVE ("select-stroke-last-values", writable && !children && sel);
#undef SET_SENSITIVE
}
static gboolean
gimp_drawable_tree_view_select_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data)
{
GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (view);
gboolean success = TRUE;
if (gimp_item_tree_view_get_image (item_view))
{
GimpLayer *floating_sel =
gimp_image_get_floating_selection (gimp_item_tree_view_get_image (item_view));
success = (item == NULL ||
floating_sel == NULL ||
item == GIMP_VIEWABLE (floating_sel));
}
if (success)
success = parent_view_iface->select_item (view, item, insert_data);
return success;
}
void
layers_new_last_vals_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GtkWidget *widget;
GimpLayer *floating_sel;
GimpLayer *new_layer;
gint width, height;
gint off_x, off_y;
gdouble opacity;
GimpLayerModeEffects mode;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
/* If there is a floating selection, the new command transforms
* the current fs into a new layer
*/
if ((floating_sel = gimp_image_get_floating_selection (image)))
{
GError *error = NULL;
if (! floating_sel_to_layer (floating_sel, &error))
{
gimp_message_literal (image->gimp, G_OBJECT (widget),
GIMP_MESSAGE_WARNING, error->message);
g_clear_error (&error);
return;
}
gimp_image_flush (image);
return;
}
if (GIMP_IS_LAYER (GIMP_ACTION (action)->viewable))
{
GimpLayer *template = GIMP_LAYER (GIMP_ACTION (action)->viewable);
void
floating_sel_attach (GimpLayer *layer,
GimpDrawable *drawable)
{
GimpImage *image;
GimpLayer *floating_sel;
g_return_if_fail (GIMP_IS_LAYER (layer));
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
g_return_if_fail (drawable != GIMP_DRAWABLE (layer));
g_return_if_fail (gimp_item_get_image (GIMP_ITEM (layer)) ==
gimp_item_get_image (GIMP_ITEM (drawable)));
image = gimp_item_get_image (GIMP_ITEM (drawable));
floating_sel = gimp_image_get_floating_selection (image);
/* If there is already a floating selection, anchor it */
if (floating_sel)
{
floating_sel_anchor (floating_sel);
/* if we were pasting to the old floating selection, paste now
* to the drawable
*/
if (drawable == (GimpDrawable *) floating_sel)
drawable = gimp_image_get_active_drawable (image);
}
gimp_layer_set_lock_alpha (layer, TRUE, FALSE);
gimp_layer_set_floating_sel_drawable (layer, drawable);
gimp_image_add_layer (image, layer, NULL, 0, TRUE);
}
/*
* This function is called if the user clicks and releases the left
* button without moving it. There are the things we might want
* to do here:
* 1) If there is an existing rectangle and we are inside it, we
* convert it into a selection.
* 2) If there is an existing rectangle and we are outside it, we
* clear it.
* 3) If there is no rectangle and there is a floating selection,
* we anchor it.
* 4) If there is no rectangle and we are inside the selection, we
* create a rectangle from the selection bounds.
* 5) If there is no rectangle and we are outside the selection,
* we clear the selection.
*/
static gboolean
gimp_rectangle_select_tool_execute (GimpRectangleTool *rectangle,
gint x,
gint y,
gint w,
gint h)
{
GimpTool *tool = GIMP_TOOL (rectangle);
GimpRectangleSelectTool *rect_sel_tool;
GimpRectangleSelectToolPrivate *priv;
rect_sel_tool = GIMP_RECTANGLE_SELECT_TOOL (rectangle);
priv = GIMP_RECTANGLE_SELECT_TOOL_GET_PRIVATE (rect_sel_tool);
if (w == 0 && h == 0 && tool->display != NULL)
{
GimpImage *image = gimp_display_get_image (tool->display);
GimpChannel *selection = gimp_image_get_mask (image);
gint pressx;
gint pressy;
if (gimp_image_get_floating_selection (image))
{
floating_sel_anchor (gimp_image_get_floating_selection (image));
gimp_image_flush (image);
return TRUE;
}
pressx = ROUND (priv->press_x);
pressy = ROUND (priv->press_y);
/* if the click was inside the marching ants */
if (gimp_pickable_get_opacity_at (GIMP_PICKABLE (selection),
pressx, pressy) > 0.5)
{
gint x1, y1, x2, y2;
if (gimp_channel_bounds (selection, &x1, &y1, &x2, &y2))
{
g_object_set (rectangle,
"x1", x1,
"y1", y1,
"x2", x2,
"y2", y2,
NULL);
}
gimp_rectangle_tool_set_function (rectangle,
GIMP_RECTANGLE_TOOL_MOVING);
return FALSE;
}
else
{
GimpTool *tool = GIMP_TOOL (rectangle);
GimpChannelOps operation;
/* prevent this change from halting the tool */
gimp_tool_control_push_preserve (tool->control, TRUE);
/* We can conceptually think of a click outside of the
* selection as adding a 0px selection. Behave intuitivly
* for the current selection mode
*/
operation = gimp_rectangle_select_tool_get_operation (rect_sel_tool);
switch (operation)
{
case GIMP_CHANNEL_OP_REPLACE:
case GIMP_CHANNEL_OP_INTERSECT:
gimp_channel_clear (selection, NULL, TRUE);
gimp_image_flush (image);
break;
case GIMP_CHANNEL_OP_ADD:
case GIMP_CHANNEL_OP_SUBTRACT:
default:
/* Do nothing */
break;
}
gimp_tool_control_pop_preserve (tool->control);
}
}
gimp_rectangle_select_tool_update_option_defaults (rect_sel_tool, FALSE);
/* Reset the automatic undo/redo mechanism */
priv->undo = NULL;
priv->redo = NULL;
return TRUE;
}
static void
gimp_image_duplicate_floating_sel (GimpImage *image,
GimpImage *new_image)
{
GimpLayer *floating_sel;
GimpDrawable *floating_sel_drawable;
GList *floating_sel_path;
GimpItemStack *new_item_stack;
GimpLayer *new_floating_sel;
GimpDrawable *new_floating_sel_drawable;
floating_sel = gimp_image_get_floating_selection (image);
if (! floating_sel)
return;
floating_sel_drawable = gimp_layer_get_floating_sel_drawable (floating_sel);
if (GIMP_IS_LAYER_MASK (floating_sel_drawable))
{
GimpLayer *layer;
layer = gimp_layer_mask_get_layer (GIMP_LAYER_MASK (floating_sel_drawable));
floating_sel_path = gimp_item_get_path (GIMP_ITEM (layer));
new_item_stack = GIMP_ITEM_STACK (gimp_image_get_layers (new_image));
}
else
{
floating_sel_path = gimp_item_get_path (GIMP_ITEM (floating_sel_drawable));
if (GIMP_IS_LAYER (floating_sel_drawable))
new_item_stack = GIMP_ITEM_STACK (gimp_image_get_layers (new_image));
else
new_item_stack = GIMP_ITEM_STACK (gimp_image_get_channels (new_image));
}
/* adjust path[0] for the floating layer missing in new_image */
floating_sel_path->data =
GUINT_TO_POINTER (GPOINTER_TO_UINT (floating_sel_path->data) - 1);
if (GIMP_IS_LAYER (floating_sel_drawable))
{
new_floating_sel =
GIMP_LAYER (gimp_image_duplicate_item (GIMP_ITEM (floating_sel),
new_image));
}
else
{
/* can't use gimp_item_convert() for floating selections of channels
* or layer masks because they maybe don't have a normal layer's type
*/
new_floating_sel =
GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (floating_sel),
G_TYPE_FROM_INSTANCE (floating_sel)));
gimp_item_set_image (GIMP_ITEM (new_floating_sel), new_image);
gimp_object_set_name (GIMP_OBJECT (new_floating_sel),
gimp_object_get_name (floating_sel));
}
/* Make sure the copied layer doesn't say: "<old layer> copy" */
gimp_object_set_name (GIMP_OBJECT (new_floating_sel),
gimp_object_get_name (floating_sel));
new_floating_sel_drawable =
GIMP_DRAWABLE (gimp_item_stack_get_item_by_path (new_item_stack,
floating_sel_path));
if (GIMP_IS_LAYER_MASK (floating_sel_drawable))
new_floating_sel_drawable =
GIMP_DRAWABLE (gimp_layer_get_mask (GIMP_LAYER (new_floating_sel_drawable)));
floating_sel_attach (new_floating_sel, new_floating_sel_drawable);
g_list_free (floating_sel_path);
}
static void
gimp_move_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
GimpDisplay *display)
{
GimpMoveOptions *options = GIMP_MOVE_TOOL_GET_OPTIONS (tool);
GimpDisplayShell *shell = gimp_display_get_shell (display);
GimpImage *image = gimp_display_get_image (display);
GimpCursorType cursor = GIMP_CURSOR_MOUSE;
GimpToolCursorType tool_cursor = GIMP_TOOL_CURSOR_MOVE;
GimpCursorModifier modifier = GIMP_CURSOR_MODIFIER_NONE;
if (options->move_type == GIMP_TRANSFORM_TYPE_PATH)
{
tool_cursor = GIMP_TOOL_CURSOR_PATHS;
modifier = GIMP_CURSOR_MODIFIER_MOVE;
if (options->move_current)
{
if (! gimp_image_get_active_vectors (image))
modifier = GIMP_CURSOR_MODIFIER_BAD;
}
else
{
if (gimp_draw_tool_on_vectors (GIMP_DRAW_TOOL (tool), display,
coords, 7, 7,
NULL, NULL, NULL, NULL, NULL, NULL))
{
tool_cursor = GIMP_TOOL_CURSOR_HAND;
}
else
{
modifier = GIMP_CURSOR_MODIFIER_BAD;
}
}
}
else if (options->move_type == GIMP_TRANSFORM_TYPE_SELECTION)
{
tool_cursor = GIMP_TOOL_CURSOR_RECT_SELECT;
modifier = GIMP_CURSOR_MODIFIER_MOVE;
if (gimp_channel_is_empty (gimp_image_get_mask (image)))
modifier = GIMP_CURSOR_MODIFIER_BAD;
}
else if (options->move_current)
{
if (! gimp_image_get_active_drawable (image))
modifier = GIMP_CURSOR_MODIFIER_BAD;
}
else
{
GimpGuide *guide;
GimpLayer *layer;
const gint snap_distance = display->config->snap_distance;
if (gimp_display_shell_get_show_guides (shell) &&
(guide = gimp_image_find_guide (image, coords->x, coords->y,
FUNSCALEX (shell, snap_distance),
FUNSCALEY (shell, snap_distance))))
{
tool_cursor = GIMP_TOOL_CURSOR_HAND;
modifier = GIMP_CURSOR_MODIFIER_MOVE;
}
else if ((layer = gimp_image_pick_layer (image,
coords->x, coords->y)))
{
/* if there is a floating selection, and this aint it... */
if (gimp_image_get_floating_selection (image) &&
! gimp_layer_is_floating_sel (layer))
{
tool_cursor = GIMP_TOOL_CURSOR_MOVE;
modifier = GIMP_CURSOR_MODIFIER_ANCHOR;
}
else if (layer != gimp_image_get_active_layer (image))
{
tool_cursor = GIMP_TOOL_CURSOR_HAND;
modifier = GIMP_CURSOR_MODIFIER_MOVE;
}
}
else
{
modifier = GIMP_CURSOR_MODIFIER_BAD;
}
}
gimp_tool_control_set_cursor (tool->control, cursor);
gimp_tool_control_set_tool_cursor (tool->control, tool_cursor);
gimp_tool_control_set_cursor_modifier (tool->control, modifier);
GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display);
}
static void
gimp_move_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display)
{
GimpMoveTool *move = GIMP_MOVE_TOOL (tool);
GimpMoveOptions *options = GIMP_MOVE_TOOL_GET_OPTIONS (tool);
GimpDisplayShell *shell = gimp_display_get_shell (display);
GimpImage *image = gimp_display_get_image (display);
tool->display = display;
move->floating_layer = NULL;
move->guide = NULL;
move->moving_guide = FALSE;
move->old_active_layer = NULL;
move->old_active_vectors = NULL;
if (! options->move_current)
{
if (options->move_type == GIMP_TRANSFORM_TYPE_PATH)
{
GimpVectors *vectors;
if (gimp_draw_tool_on_vectors (GIMP_DRAW_TOOL (tool), display,
coords, 7, 7,
NULL, NULL, NULL, NULL, NULL,
&vectors))
{
move->old_active_vectors =
gimp_image_get_active_vectors (image);
gimp_image_set_active_vectors (image, vectors);
}
else
{
/* no path picked */
return;
}
}
else if (options->move_type == GIMP_TRANSFORM_TYPE_LAYER)
{
GimpGuide *guide;
GimpLayer *layer;
const gint snap_distance = display->config->snap_distance;
if (gimp_display_shell_get_show_guides (shell) &&
(guide = gimp_image_find_guide (image,
coords->x, coords->y,
FUNSCALEX (shell, snap_distance),
FUNSCALEY (shell, snap_distance))))
{
move->guide = guide;
move->moving_guide = TRUE;
move->guide_position = gimp_guide_get_position (guide);
move->guide_orientation = gimp_guide_get_orientation (guide);
gimp_tool_control_set_scroll_lock (tool->control, TRUE);
gimp_tool_control_set_precision (tool->control,
GIMP_CURSOR_PRECISION_PIXEL_BORDER);
gimp_tool_control_activate (tool->control);
gimp_display_shell_selection_pause (shell);
gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), display);
gimp_tool_push_status_length (tool, display,
_("Move Guide: "),
SWAP_ORIENT (move->guide_orientation),
move->guide_position,
NULL);
return;
}
else if ((layer = gimp_image_pick_layer (image,
coords->x,
coords->y)))
{
if (gimp_image_get_floating_selection (image) &&
! gimp_layer_is_floating_sel (layer))
{
/* If there is a floating selection, and this aint it,
* use the move tool to anchor it.
*/
move->floating_layer =
gimp_image_get_floating_selection (image);
gimp_tool_control_activate (tool->control);
return;
}
else
{
move->old_active_layer = gimp_image_get_active_layer (image);
gimp_image_set_active_layer (image, layer);
}
}
else
{
/* no guide and no layer picked */
return;
}
}
}
switch (options->move_type)
{
case GIMP_TRANSFORM_TYPE_PATH:
if (gimp_image_get_active_vectors (image))
gimp_edit_selection_tool_start (tool, display, coords,
GIMP_TRANSLATE_MODE_VECTORS, TRUE);
break;
case GIMP_TRANSFORM_TYPE_SELECTION:
if (! gimp_channel_is_empty (gimp_image_get_mask (image)))
gimp_edit_selection_tool_start (tool, display, coords,
GIMP_TRANSLATE_MODE_MASK, TRUE);
break;
case GIMP_TRANSFORM_TYPE_LAYER:
{
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (GIMP_IS_LAYER_MASK (drawable))
gimp_edit_selection_tool_start (tool, display, coords,
GIMP_TRANSLATE_MODE_LAYER_MASK, TRUE);
else if (GIMP_IS_CHANNEL (drawable))
gimp_edit_selection_tool_start (tool, display, coords,
GIMP_TRANSLATE_MODE_CHANNEL, TRUE);
else if (GIMP_IS_LAYER (drawable))
gimp_edit_selection_tool_start (tool, display, coords,
GIMP_TRANSLATE_MODE_LAYER, TRUE);
}
break;
}
}
static void
gimp_selection_tool_oper_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
gboolean proximity,
GimpDisplay *display)
{
GimpSelectionTool *selection_tool = GIMP_SELECTION_TOOL (tool);
GimpSelectionOptions *options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
GimpImage *image;
GimpChannel *selection;
GimpDrawable *drawable;
GimpLayer *layer;
GimpLayer *floating_sel;
GdkModifierType extend_mask;
GdkModifierType modify_mask;
gboolean move_layer = FALSE;
gboolean move_floating_sel = FALSE;
gboolean selection_empty;
image = gimp_display_get_image (display);
selection = gimp_image_get_mask (image);
drawable = gimp_image_get_active_drawable (image);
layer = gimp_image_pick_layer (image, coords->x, coords->y);
floating_sel = gimp_image_get_floating_selection (image);
extend_mask = gimp_get_extend_selection_mask ();
modify_mask = gimp_get_modify_selection_mask ();
if (drawable)
{
if (floating_sel)
{
if (layer == floating_sel)
move_floating_sel = TRUE;
}
else if (gimp_item_mask_intersect (GIMP_ITEM (drawable),
NULL, NULL, NULL, NULL))
{
move_layer = TRUE;
}
}
selection_empty = gimp_channel_is_empty (selection);
selection_tool->function = SELECTION_SELECT;
if (selection_tool->allow_move &&
(state & GDK_MOD1_MASK) && (state & modify_mask) && move_layer)
{
/* move the selection */
selection_tool->function = SELECTION_MOVE;
}
else if (selection_tool->allow_move &&
(state & GDK_MOD1_MASK) && (state & extend_mask) && move_layer)
{
/* move a copy of the selection */
selection_tool->function = SELECTION_MOVE_COPY;
}
else if (selection_tool->allow_move &&
(state & GDK_MOD1_MASK) && ! selection_empty)
{
/* move the selection mask */
selection_tool->function = SELECTION_MOVE_MASK;
}
else if (selection_tool->allow_move &&
! (state & (extend_mask | modify_mask)) &&
move_floating_sel)
{
/* move the selection */
selection_tool->function = SELECTION_MOVE;
}
else if ((state & modify_mask) || (state & extend_mask))
{
/* select */
selection_tool->function = SELECTION_SELECT;
}
else if (floating_sel)
{
/* anchor the selection */
selection_tool->function = SELECTION_ANCHOR;
}
gimp_tool_pop_status (tool, display);
if (proximity)
{
const gchar *status = NULL;
gboolean free_status = FALSE;
GdkModifierType modifiers = (extend_mask | modify_mask);
if (! selection_empty)
modifiers |= GDK_MOD1_MASK;
switch (selection_tool->function)
{
case SELECTION_SELECT:
switch (options->operation)
{
case GIMP_CHANNEL_OP_REPLACE:
if (! selection_empty)
{
status = gimp_suggest_modifiers (_("Click-Drag to replace the "
"current selection"),
modifiers & ~state,
NULL, NULL, NULL);
free_status = TRUE;
}
else
{
status = _("Click-Drag to create a new selection");
}
break;
case GIMP_CHANNEL_OP_ADD:
status = gimp_suggest_modifiers (_("Click-Drag to add to the "
"current selection"),
modifiers
& ~(state | extend_mask),
NULL, NULL, NULL);
free_status = TRUE;
break;
case GIMP_CHANNEL_OP_SUBTRACT:
status = gimp_suggest_modifiers (_("Click-Drag to subtract from the "
"current selection"),
modifiers
& ~(state | modify_mask),
NULL, NULL, NULL);
free_status = TRUE;
break;
case GIMP_CHANNEL_OP_INTERSECT:
status = gimp_suggest_modifiers (_("Click-Drag to intersect with "
"the current selection"),
modifiers & ~state,
NULL, NULL, NULL);
free_status = TRUE;
break;
}
break;
case SELECTION_MOVE_MASK:
status = gimp_suggest_modifiers (_("Click-Drag to move the "
"selection mask"),
modifiers & ~state,
NULL, NULL, NULL);
free_status = TRUE;
break;
case SELECTION_MOVE:
status = _("Click-Drag to move the selected pixels");
break;
case SELECTION_MOVE_COPY:
status = _("Click-Drag to move a copy of the selected pixels");
break;
case SELECTION_ANCHOR:
status = _("Click to anchor the floating selection");
break;
default:
g_return_if_reached ();
}
if (status)
gimp_tool_push_status (tool, display, "%s", status);
if (free_status)
g_free ((gchar *) status);
}
}
GimpLayer *
gimp_image_merge_visible_layers (GimpImage *image,
GimpContext *context,
GimpMergeType merge_type,
gboolean merge_active_group,
gboolean discard_invisible)
{
GimpContainer *container;
GList *list;
GSList *merge_list = NULL;
GSList *invisible_list = NULL;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
if (merge_active_group)
{
GimpLayer *active_layer = gimp_image_get_active_layer (image);
/* if the active layer is the floating selection, get the
* underlying drawable, but only if it is a layer
*/
if (active_layer && gimp_layer_is_floating_sel (active_layer))
{
GimpDrawable *fs_drawable;
fs_drawable = gimp_layer_get_floating_sel_drawable (active_layer);
if (GIMP_IS_LAYER (fs_drawable))
active_layer = GIMP_LAYER (fs_drawable);
}
if (active_layer)
container = gimp_item_get_container (GIMP_ITEM (active_layer));
else
container = gimp_image_get_layers (image);
}
else
{
container = gimp_image_get_layers (image);
}
for (list = gimp_item_stack_get_item_iter (GIMP_ITEM_STACK (container));
list;
list = g_list_next (list))
{
GimpLayer *layer = list->data;
if (gimp_layer_is_floating_sel (layer))
continue;
if (gimp_item_get_visible (GIMP_ITEM (layer)))
{
merge_list = g_slist_append (merge_list, layer);
}
else if (discard_invisible)
{
invisible_list = g_slist_append (invisible_list, layer);
}
}
if (merge_list)
{
GimpLayer *layer;
gimp_set_busy (image->gimp);
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_IMAGE_LAYERS_MERGE,
C_("undo-type", "Merge Visible Layers"));
/* if there's a floating selection, anchor it */
if (gimp_image_get_floating_selection (image))
floating_sel_anchor (gimp_image_get_floating_selection (image));
layer = gimp_image_merge_layers (image,
container,
merge_list, context, merge_type);
g_slist_free (merge_list);
if (invisible_list)
{
GSList *list;
for (list = invisible_list; list; list = g_slist_next (list))
gimp_image_remove_layer (image, list->data, TRUE, NULL);
g_slist_free (invisible_list);
}
gimp_image_undo_group_end (image);
gimp_unset_busy (image->gimp);
return layer;
}
return gimp_image_get_active_layer (image);
}
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
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
}
static void
gimp_region_select_tool_button_release (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonReleaseType release_type,
GimpDisplay *display)
{
GimpRegionSelectTool *region_sel = GIMP_REGION_SELECT_TOOL (tool);
GimpSelectionOptions *sel_options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
GimpRegionSelectOptions *options = GIMP_REGION_SELECT_TOOL_GET_OPTIONS (tool);
GimpImage *image = gimp_display_get_image (display);
gimp_tool_pop_status (tool, display);
gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
gimp_tool_control_halt (tool->control);
if (release_type != GIMP_BUTTON_RELEASE_CANCEL)
{
if (GIMP_SELECTION_TOOL (tool)->function == SELECTION_ANCHOR)
{
if (gimp_image_get_floating_selection (image))
{
/* If there is a floating selection, anchor it */
floating_sel_anchor (gimp_image_get_floating_selection (image));
}
else
{
/* Otherwise, clear the selection mask */
gimp_channel_clear (gimp_image_get_mask (image), NULL, TRUE);
}
gimp_image_flush (image);
}
else if (region_sel->region_mask)
{
gint off_x = 0;
gint off_y = 0;
if (! options->sample_merged)
{
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
}
gimp_channel_select_channel (gimp_image_get_mask (image),
GIMP_REGION_SELECT_TOOL_GET_CLASS (tool)->undo_desc,
region_sel->region_mask,
off_x,
off_y,
sel_options->operation,
sel_options->feather,
sel_options->feather_radius,
sel_options->feather_radius);
gimp_image_flush (image);
}
}
if (region_sel->region_mask)
{
g_object_unref (region_sel->region_mask);
region_sel->region_mask = NULL;
}
if (region_sel->segs)
{
g_free (region_sel->segs);
region_sel->segs = NULL;
region_sel->n_segs = 0;
}
/* Restore the original threshold */
g_object_set (options,
"threshold", region_sel->saved_threshold,
NULL);
}
