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gimp/app/actions/layers-commands.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "libgimpmath/gimpmath.h"
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "actions-types.h"
#include "core/gimp.h"
#include "core/gimpchannel-select.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimpimage-merge.h"
#include "core/gimpimage-undo.h"
#include "core/gimpitemundo.h"
#include "core/gimplayer.h"
#include "core/gimplayer-floating-sel.h"
#include "core/gimplayermask.h"
#include "core/gimplist.h"
#include "core/gimptoolinfo.h"
#include "core/gimpundostack.h"
#include "core/gimpprogress.h"
#include "text/gimptext.h"
#include "text/gimptextlayer.h"
#include "pdb/procedural_db.h"
#include "widgets/gimpdock.h"
#include "widgets/gimpenumwidgets.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpitemtreeview.h"
#include "widgets/gimppropwidgets.h"
#include "widgets/gimpviewabledialog.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "tools/gimptexttool.h"
#include "tools/tool_manager.h"
#include "dialogs/resize-dialog.h"
#include "actions.h"
#include "layers-commands.h"
#include "gimp-intl.h"
static const GimpLayerModeEffects layer_modes[] =
{
GIMP_NORMAL_MODE,
GIMP_DISSOLVE_MODE,
GIMP_MULTIPLY_MODE,
GIMP_DIVIDE_MODE,
GIMP_SCREEN_MODE,
GIMP_OVERLAY_MODE,
GIMP_DODGE_MODE,
GIMP_BURN_MODE,
GIMP_HARDLIGHT_MODE,
GIMP_SOFTLIGHT_MODE,
GIMP_GRAIN_EXTRACT_MODE,
GIMP_GRAIN_MERGE_MODE,
GIMP_DIFFERENCE_MODE,
GIMP_ADDITION_MODE,
GIMP_SUBTRACT_MODE,
GIMP_DARKEN_ONLY_MODE,
GIMP_LIGHTEN_ONLY_MODE,
GIMP_HUE_MODE,
GIMP_SATURATION_MODE,
GIMP_COLOR_MODE,
GIMP_VALUE_MODE
};
/* local function prototypes */
static void layers_add_mask_query (GimpLayer *layer,
GtkWidget *parent);
static void layers_scale_layer_query (GimpDisplay *gdisp,
GimpImage *gimage,
GimpLayer *layer,
GtkWidget *parent);
static void layers_resize_layer_query (GimpDisplay *gdisp,
GimpImage *gimage,
GimpLayer *layer,
GimpContext *context,
GtkWidget *parent);
static gint layers_mode_index (GimpLayerModeEffects layer_mode);
/* public functions */
void
layers_text_tool_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GtkWidget *widget;
return_if_no_layer (gimage, layer, data);
return_if_no_widget (widget, data);
layers_text_tool (layer, action_data_get_context (data), widget);
}
void
layers_edit_attributes_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GtkWidget *widget;
return_if_no_layer (gimage, layer, data);
return_if_no_widget (widget, data);
layers_edit_layer_query (layer, action_data_get_context (data), widget);
}
void
layers_new_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GtkWidget *widget;
return_if_no_image (gimage, data);
return_if_no_widget (widget, data);
layers_new_layer_query (gimage, action_data_get_context (data),
NULL, TRUE, widget);
}
void
layers_select_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpLayer *new_layer;
return_if_no_image (gimage, data);
layer = gimp_image_get_active_layer (gimage);
new_layer = (GimpLayer *) action_select_object ((GimpActionSelectType) value,
gimage->layers,
(GimpObject *) layer);
if (new_layer && new_layer != layer)
{
gimp_image_set_active_layer (gimage, new_layer);
gimp_image_flush (gimage);
}
}
void
layers_raise_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
gimp_image_raise_layer (gimage, layer);
gimp_image_flush (gimage);
}
void
layers_raise_to_top_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
gimp_image_raise_layer_to_top (gimage, layer);
gimp_image_flush (gimage);
}
void
layers_lower_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
gimp_image_lower_layer (gimage, layer);
gimp_image_flush (gimage);
}
void
layers_lower_to_bottom_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
gimp_image_lower_layer_to_bottom (gimage, layer);
gimp_image_flush (gimage);
}
void
layers_duplicate_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpLayer *new_layer;
return_if_no_layer (gimage, layer, data);
new_layer =
GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (layer),
G_TYPE_FROM_INSTANCE (layer),
TRUE));
gimp_image_add_layer (gimage, new_layer, -1);
gimp_image_flush (gimage);
}
void
layers_anchor_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
if (gimp_layer_is_floating_sel (layer))
{
floating_sel_anchor (layer);
gimp_image_flush (gimage);
}
}
void
layers_merge_down_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
gimp_image_merge_down (gimage, layer, action_data_get_context (data),
GIMP_EXPAND_AS_NECESSARY);
gimp_image_flush (gimage);
}
void
layers_delete_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
if (gimp_layer_is_floating_sel (layer))
floating_sel_remove (layer);
else
gimp_image_remove_layer (gimage, layer);
gimp_image_flush (gimage);
}
void
layers_text_discard_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
if (GIMP_IS_TEXT_LAYER (layer))
gimp_text_layer_discard (GIMP_TEXT_LAYER (layer));
}
void
layers_resize_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GtkWidget *widget;
return_if_no_layer (gimage, layer, data);
return_if_no_widget (widget, data);
layers_resize_layer_query (GIMP_IS_DISPLAY (data) ? data : NULL,
gimage, layer, action_data_get_context (data),
widget);
}
void
layers_resize_to_image_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
gimp_layer_resize_to_image (layer, action_data_get_context (data));
gimp_image_flush (gimage);
}
void
layers_scale_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GtkWidget *widget;
return_if_no_layer (gimage, layer, data);
return_if_no_widget (widget, data);
layers_scale_layer_query (GIMP_IS_DISPLAY (data) ? data : NULL,
gimage, layer, widget);
}
void
layers_crop_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
gint x1, y1, x2, y2;
gint off_x, off_y;
return_if_no_layer (gimage, layer, data);
if (! gimp_channel_bounds (gimp_image_get_mask (gimage),
&x1, &y1, &x2, &y2))
{
g_message (_("Cannot crop because the current selection is empty."));
return;
}
gimp_item_offsets (GIMP_ITEM (layer), &off_x, &off_y);
off_x -= x1;
off_y -= y1;
gimp_image_undo_group_start (gimage, GIMP_UNDO_GROUP_ITEM_RESIZE,
_("Crop Layer"));
gimp_item_resize (GIMP_ITEM (layer), action_data_get_context (data),
x2 - x1, y2 - y1, off_x, off_y);
gimp_image_undo_group_end (gimage);
gimp_image_flush (gimage);
}
void
layers_mask_add_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GtkWidget *widget;
return_if_no_layer (gimage, layer, data);
return_if_no_widget (widget, data);
layers_add_mask_query (layer, widget);
}
void
layers_mask_apply_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpMaskApplyMode mode;
return_if_no_layer (gimage, layer, data);
mode = (GimpMaskApplyMode) value;
if (gimp_layer_get_mask (layer))
{
gimp_layer_apply_mask (layer, mode, TRUE);
gimp_image_flush (gimage);
}
}
void
layers_mask_edit_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpLayerMask *mask;
return_if_no_layer (gimage, layer, data);
mask = gimp_layer_get_mask (layer);
if (mask)
{
gboolean active;
active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
gimp_layer_mask_set_edit (mask, active);
gimp_image_flush (gimage);
}
}
void
layers_mask_show_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpLayerMask *mask;
return_if_no_layer (gimage, layer, data);
mask = gimp_layer_get_mask (layer);
if (mask)
{
gboolean active;
active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
gimp_layer_mask_set_show (mask, active);
gimp_image_flush (gimage);
}
}
void
layers_mask_disable_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpLayerMask *mask;
return_if_no_layer (gimage, layer, data);
mask = gimp_layer_get_mask (layer);
if (mask)
{
gboolean active;
active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
gimp_layer_mask_set_apply (mask, ! active);
gimp_image_flush (gimage);
}
}
void
layers_mask_to_selection_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpChannelOps op;
GimpImage *gimage;
GimpLayer *layer;
GimpLayerMask *mask;
return_if_no_layer (gimage, layer, data);
op = (GimpChannelOps) value;
mask = gimp_layer_get_mask (layer);
if (mask)
{
gint off_x, off_y;
gimp_item_offsets (GIMP_ITEM (mask), &off_x, &off_y);
gimp_channel_select_channel (gimp_image_get_mask (gimage),
_("Layer Mask to Selection"),
GIMP_CHANNEL (mask),
off_x, off_y,
op, FALSE, 0.0, 0.0);
gimp_image_flush (gimage);
}
}
void
layers_alpha_add_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
if (! gimp_drawable_has_alpha (GIMP_DRAWABLE (layer)))
{
gimp_layer_add_alpha (layer);
gimp_image_flush (gimage);
}
}
void
layers_alpha_to_selection_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpChannelOps op;
GimpImage *gimage;
GimpLayer *layer;
return_if_no_layer (gimage, layer, data);
op = (GimpChannelOps) value;
gimp_channel_select_alpha (gimp_image_get_mask (gimage),
GIMP_DRAWABLE (layer),
op, FALSE, 0.0, 0.0);
gimp_image_flush (gimage);
}
void
layers_opacity_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
gdouble opacity;
GimpUndo *undo;
gboolean push_undo = TRUE;
return_if_no_layer (gimage, layer, data);
undo = gimp_image_undo_can_compress (gimage, GIMP_TYPE_ITEM_UNDO,
GIMP_UNDO_LAYER_OPACITY);
if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (layer))
push_undo = FALSE;
opacity = action_select_value ((GimpActionSelectType) value,
gimp_layer_get_opacity (layer),
0.0, 1.0,
0.01, 0.1, FALSE);
gimp_layer_set_opacity (layer, opacity, push_undo);
gimp_image_flush (gimage);
}
void
layers_mode_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
GimpLayerModeEffects layer_mode;
gint index;
GimpUndo *undo;
gboolean push_undo = TRUE;
return_if_no_layer (gimage, layer, data);
undo = gimp_image_undo_can_compress (gimage, GIMP_TYPE_ITEM_UNDO,
GIMP_UNDO_LAYER_MODE);
if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (layer))
push_undo = FALSE;
layer_mode = gimp_layer_get_mode (layer);
index = action_select_value ((GimpActionSelectType) value,
layers_mode_index (layer_mode),
0, G_N_ELEMENTS (layer_modes) - 1,
1.0, 1.0, FALSE);
gimp_layer_set_mode (layer, layer_modes[index], push_undo);
gimp_image_flush (gimage);
}
void
layers_preserve_trans_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *gimage;
GimpLayer *layer;
gboolean preserve;
return_if_no_layer (gimage, layer, data);
preserve = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
if (preserve != gimp_layer_get_preserve_trans (layer))
{
GimpUndo *undo;
gboolean push_undo = TRUE;
undo = gimp_image_undo_can_compress (gimage, GIMP_TYPE_ITEM_UNDO,
GIMP_UNDO_LAYER_PRESERVE_TRANS);
if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (layer))
push_undo = FALSE;
gimp_layer_set_preserve_trans (layer, preserve, push_undo);
gimp_image_flush (gimage);
}
}
void
layers_text_tool (GimpLayer *layer,
GimpContext *context,
GtkWidget *parent)
{
GimpImage *gimage;
GimpTool *active_tool;
g_return_if_fail (GIMP_IS_LAYER (layer));
g_return_if_fail (GIMP_IS_CONTEXT (context));
if (! gimp_drawable_is_text_layer (GIMP_DRAWABLE (layer)))
{
layers_edit_layer_query (layer, context, parent);
return;
}
gimage = gimp_item_get_image (GIMP_ITEM (layer));
active_tool = tool_manager_get_active (gimage->gimp);
if (! GIMP_IS_TEXT_TOOL (active_tool))
{
GimpContainer *tool_info_list = gimage->gimp->tool_info_list;
GimpToolInfo *tool_info;
tool_info = (GimpToolInfo *)
gimp_container_get_child_by_name (tool_info_list,
"gimp-text-tool");
if (GIMP_IS_TOOL_INFO (tool_info))
{
gimp_context_set_tool (context, tool_info);
active_tool = tool_manager_get_active (gimage->gimp);
}
}
if (GIMP_IS_TEXT_TOOL (active_tool))
gimp_text_tool_set_layer (GIMP_TEXT_TOOL (active_tool), layer);
}
/********************************/
/* The new layer query dialog */
/********************************/
typedef struct _NewLayerOptions NewLayerOptions;
struct _NewLayerOptions
{
GtkWidget *query_box;
GtkWidget *name_entry;
GtkWidget *size_se;
GimpFillType fill_type;
gint xsize;
gint ysize;
GimpContext *context;
GimpImage *gimage;
};
static GimpFillType fill_type = GIMP_TRANSPARENT_FILL;
static gchar *layer_name = NULL;
static void
new_layer_query_response (GtkWidget *widget,
gint response_id,
NewLayerOptions *options)
{
if (response_id == GTK_RESPONSE_OK)
{
GimpLayer *layer;
if (layer_name)
g_free (layer_name);
layer_name =
g_strdup (gtk_entry_get_text (GTK_ENTRY (options->name_entry)));
options->xsize =
RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (options->size_se),
0));
options->ysize =
RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (options->size_se),
1));
fill_type = options->fill_type;
layer = gimp_layer_new (options->gimage,
options->xsize,
options->ysize,
gimp_image_base_type_with_alpha (options->gimage),
layer_name,
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
if (layer)
{
gimp_drawable_fill_by_type (GIMP_DRAWABLE (layer),
options->context,
fill_type);
gimp_image_add_layer (options->gimage, layer, -1);
gimp_image_flush (options->gimage);
}
else
{
g_message ("new_layer_query_response: "
"could not allocate new layer");
}
}
gtk_widget_destroy (options->query_box);
}
void
layers_new_layer_query (GimpImage *gimage,
GimpContext *context,
GimpLayer *template,
gboolean interactive,
GtkWidget *parent)
{
NewLayerOptions *options;
GimpLayer *floating_sel;
GtkWidget *vbox;
GtkWidget *table;
GtkWidget *label;
GtkObject *adjustment;
GtkWidget *spinbutton;
GtkWidget *frame;
GtkWidget *button;
g_return_if_fail (GIMP_IS_IMAGE (gimage));
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (template == NULL || GIMP_IS_LAYER (template));
/* If there is a floating selection, the new command transforms
* the current fs into a new layer
*/
if ((floating_sel = gimp_image_floating_sel (gimage)))
{
floating_sel_to_layer (floating_sel);
gimp_image_flush (gimage);
return;
}
if (template || ! interactive)
{
GimpLayer *new_layer;
gint width, height;
gint off_x, off_y;
gdouble opacity;
GimpLayerModeEffects mode;
if (template)
{
gimp_item_offsets (GIMP_ITEM (template), &off_x, &off_y);
width = gimp_item_width (GIMP_ITEM (template));
height = gimp_item_height (GIMP_ITEM (template));
opacity = template->opacity;
mode = template->mode;
}
else
{
width = gimp_image_get_width (gimage);
height = gimp_image_get_height (gimage);
off_x = 0;
off_y = 0;
opacity = 1.0;
mode = GIMP_NORMAL_MODE;
}
gimp_image_undo_group_start (gimage, GIMP_UNDO_GROUP_EDIT_PASTE,
_("New Layer"));
new_layer = gimp_layer_new (gimage, width, height,
gimp_image_base_type_with_alpha (gimage),
_("Empty Layer"), opacity, mode);
gimp_drawable_fill_by_type (GIMP_DRAWABLE (new_layer), context,
GIMP_TRANSPARENT_FILL);
gimp_item_translate (GIMP_ITEM (new_layer), off_x, off_y, FALSE);
gimp_image_add_layer (gimage, new_layer, -1);
gimp_image_undo_group_end (gimage);
return;
}
options = g_new0 (NewLayerOptions, 1);
options->fill_type = fill_type;
options->gimage = gimage;
options->context = context;
options->query_box =
gimp_viewable_dialog_new (GIMP_VIEWABLE (gimage),
_("New Layer"), "gimp-layer-new",
GIMP_STOCK_LAYER,
_("Create a New Layer"),
parent,
gimp_standard_help_func,
GIMP_HELP_LAYER_NEW,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
g_signal_connect (options->query_box, "response",
G_CALLBACK (new_layer_query_response),
options);
g_object_weak_ref (G_OBJECT (options->query_box),
(GWeakNotify) g_free,
options);
vbox = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (options->query_box)->vbox),
vbox);
gtk_widget_show (vbox);
table = gtk_table_new (3, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
gtk_table_set_row_spacing (GTK_TABLE (table), 0, 4);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
/* The name label and entry */
options->name_entry = gtk_entry_new ();
gtk_entry_set_text (GTK_ENTRY (options->name_entry),
(layer_name ? layer_name : _("New Layer")));
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
_("Layer _Name:"), 0.0, 0.5,
options->name_entry, 1, FALSE);
/* The size labels */
label = gtk_label_new (_("Width:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2,
GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 0);
gtk_widget_show (label);
label = gtk_label_new (_("Height:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 2, 3,
GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 0);
gtk_widget_show (label);
/* The size sizeentry */
spinbutton = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 1,
1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), 10);
options->size_se = gimp_size_entry_new (1, GIMP_UNIT_PIXEL, "%a",
TRUE, TRUE, FALSE, 10,
GIMP_SIZE_ENTRY_UPDATE_SIZE);
gtk_table_set_col_spacing (GTK_TABLE (options->size_se), 1, 4);
gtk_table_set_row_spacing (GTK_TABLE (options->size_se), 0, 2);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (options->size_se),
GTK_SPIN_BUTTON (spinbutton), NULL);
gtk_table_attach_defaults (GTK_TABLE (options->size_se), spinbutton,
1, 2, 0, 1);
gtk_widget_show (spinbutton);
gtk_table_attach (GTK_TABLE (table), options->size_se, 1, 2, 1, 3,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (options->size_se);
gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (options->size_se),
GIMP_UNIT_PIXEL);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (options->size_se), 0,
gimage->xresolution, FALSE);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (options->size_se), 1,
gimage->yresolution, FALSE);
gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (options->size_se), 0,
GIMP_MIN_IMAGE_SIZE,
GIMP_MAX_IMAGE_SIZE);
gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (options->size_se), 1,
GIMP_MIN_IMAGE_SIZE,
GIMP_MAX_IMAGE_SIZE);
gimp_size_entry_set_size (GIMP_SIZE_ENTRY (options->size_se), 0,
0, gimage->width);
gimp_size_entry_set_size (GIMP_SIZE_ENTRY (options->size_se), 1,
0, gimage->height);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (options->size_se), 0,
gimage->width);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (options->size_se), 1,
gimage->height);
/* The radio frame */
frame = gimp_enum_radio_frame_new_with_range (GIMP_TYPE_FILL_TYPE,
GIMP_FOREGROUND_FILL,
GIMP_TRANSPARENT_FILL,
gtk_label_new (_("Layer Fill Type")),
2,
G_CALLBACK (gimp_radio_button_update),
&options->fill_type,
&button);
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (button),
options->fill_type);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
gtk_widget_show (options->query_box);
}
/**************************************/
/* The edit layer attributes dialog */
/**************************************/
typedef struct _EditLayerOptions EditLayerOptions;
struct _EditLayerOptions
{
GtkWidget *query_box;
GtkWidget *name_entry;
GtkWidget *toggle;
GimpLayer *layer;
GimpImage *gimage;
};
static void
edit_layer_query_response (GtkWidget *widget,
gint response_id,
EditLayerOptions *options)
{
if (response_id == GTK_RESPONSE_OK)
{
GimpLayer *layer = options->layer;
const gchar *new_name;
new_name = gtk_entry_get_text (GTK_ENTRY (options->name_entry));
if (strcmp (new_name, gimp_object_get_name (GIMP_OBJECT (layer))))
{
gimp_item_rename (GIMP_ITEM (layer), new_name);
gimp_image_flush (options->gimage);
}
if (options->toggle &&
gimp_drawable_is_text_layer (GIMP_DRAWABLE (layer)))
{
g_object_set (layer,
"auto-rename",
GTK_TOGGLE_BUTTON (options->toggle)->active,
NULL);
}
}
gtk_widget_destroy (options->query_box);
}
static void
edit_layer_toggle_rename (GtkWidget *widget,
EditLayerOptions *options)
{
if (GTK_TOGGLE_BUTTON (widget)->active &&
gimp_drawable_is_text_layer (GIMP_DRAWABLE (options->layer)))
{
GimpTextLayer *text_layer = GIMP_TEXT_LAYER (options->layer);
GimpText *text = gimp_text_layer_get_text (text_layer);
if (text && text->text)
{
gchar *name = gimp_utf8_strtrim (text->text, 30);
gtk_entry_set_text (GTK_ENTRY (options->name_entry), name);
g_free (name);
}
}
}
void
layers_edit_layer_query (GimpLayer *layer,
GimpContext *context,
GtkWidget *parent)
{
EditLayerOptions *options;
GtkWidget *vbox;
GtkWidget *table;
g_return_if_fail (GIMP_IS_LAYER (layer));
g_return_if_fail (GIMP_IS_CONTEXT (context));
options = g_new0 (EditLayerOptions, 1);
options->layer = layer;
options->gimage = gimp_item_get_image (GIMP_ITEM (layer));
options->query_box =
gimp_viewable_dialog_new (GIMP_VIEWABLE (layer),
_("Layer Attributes"), "gimp-layer-edit",
GIMP_STOCK_EDIT,
_("Edit Layer Attributes"),
parent,
gimp_standard_help_func,
GIMP_HELP_LAYER_EDIT,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
g_signal_connect (options->query_box, "response",
G_CALLBACK (edit_layer_query_response),
options);
g_object_weak_ref (G_OBJECT (options->query_box),
(GWeakNotify) g_free,
options);
vbox = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (options->query_box)->vbox),
vbox);
gtk_widget_show (vbox);
table = gtk_table_new (1, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
options->name_entry = gtk_entry_new ();
gtk_entry_set_activates_default (GTK_ENTRY (options->name_entry), TRUE);
gtk_entry_set_text (GTK_ENTRY (options->name_entry),
gimp_object_get_name (GIMP_OBJECT (layer)));
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
_("Layer _Name"), 1.0, 0.5,
options->name_entry, 1, FALSE);
/* For text layers add a toggle to control "auto-rename" */
if (gimp_drawable_is_text_layer (GIMP_DRAWABLE (layer)))
{
options->toggle =
gtk_check_button_new_with_mnemonic (_("Set Name from _Text"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->toggle),
GIMP_TEXT_LAYER (layer)->auto_rename);
gtk_table_attach (GTK_TABLE (table), options->toggle, 1, 2, 1, 2,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (options->toggle);
g_signal_connect (options->toggle, "toggled",
G_CALLBACK (edit_layer_toggle_rename),
options);
}
gtk_widget_show (options->query_box);
}
/*******************************/
/* The add mask query dialog */
/*******************************/
typedef struct _AddMaskOptions AddMaskOptions;
struct _AddMaskOptions
{
GtkWidget *query_box;
GimpLayer *layer;
GimpAddMaskType add_mask_type;
gboolean invert;
};
static void
add_mask_query_response (GtkWidget *widget,
gint response_id,
AddMaskOptions *options)
{
if (response_id == GTK_RESPONSE_OK)
{
GimpImage *gimage;
GimpLayerMask *mask;
GimpLayer *layer;
if ((layer = (options->layer)) && (gimage = GIMP_ITEM (layer)->gimage))
{
gimp_image_undo_group_start (gimage, GIMP_UNDO_GROUP_LAYER_ADD_MASK,
_("Add Layer Mask"));
mask = gimp_layer_create_mask (layer, options->add_mask_type);
if (options->invert)
gimp_channel_invert (GIMP_CHANNEL (mask), FALSE);
gimp_layer_add_mask (layer, mask, TRUE);
gimp_image_undo_group_end (gimage);
gimp_image_flush (gimage);
}
}
gtk_widget_destroy (options->query_box);
}
static void
layers_add_mask_query (GimpLayer *layer,
GtkWidget *parent)
{
AddMaskOptions *options;
GtkWidget *vbox;
GtkWidget *frame;
GtkWidget *button;
GimpImage *gimage;
/* The new options structure */
options = g_new (AddMaskOptions, 1);
options->layer = layer;
options->add_mask_type = GIMP_ADD_WHITE_MASK;
options->invert = FALSE;
gimage = gimp_item_get_image (GIMP_ITEM (layer));
/* The dialog */
options->query_box =
gimp_viewable_dialog_new (GIMP_VIEWABLE (layer),
_("Add Layer Mask"), "gimp-layer-add-mask",
GIMP_STOCK_LAYER_MASK,
_("Add a Mask to the Layer"),
parent,
gimp_standard_help_func,
GIMP_HELP_LAYER_MASK_ADD,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
g_signal_connect (options->query_box, "response",
G_CALLBACK (add_mask_query_response),
options);
g_object_weak_ref (G_OBJECT (options->query_box),
(GWeakNotify) g_free, options);
vbox = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (options->query_box)->vbox),
vbox);
gtk_widget_show (vbox);
frame =
gimp_enum_radio_frame_new (GIMP_TYPE_ADD_MASK_TYPE,
gtk_label_new (_("Initialize Layer Mask to:")),
6,
G_CALLBACK (gimp_radio_button_update),
&options->add_mask_type,
&button);
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (button),
options->add_mask_type);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
button = gtk_check_button_new_with_mnemonic (_("In_vert Mask"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), options->invert);
g_signal_connect (button, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&options->invert);
gtk_box_pack_end (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
gtk_widget_show (options->query_box);
}
/****************************/
/* The scale layer dialog */
/****************************/
typedef struct _ScaleLayerOptions ScaleLayerOptions;
struct _ScaleLayerOptions
{
ResizeDialog *dialog;
GimpDisplay *gdisp;
GimpLayer *layer;
};
static void
scale_layer_query_ok_callback (GtkWidget *widget,
gpointer data)
{
ScaleLayerOptions *options = data;
GimpLayer *layer;
if (options->dialog->width > 0 && options->dialog->height > 0 &&
(layer = (options->layer)))
{
GimpImage *gimage = gimp_item_get_image (GIMP_ITEM (layer));
GimpProgress *progress;
gtk_widget_set_sensitive (options->dialog->shell, FALSE);
progress = gimp_progress_start (GIMP_PROGRESS (options->gdisp),
_("Scaling..."), FALSE);
gimp_item_scale_by_origin (GIMP_ITEM (layer),
options->dialog->width,
options->dialog->height,
options->dialog->interpolation,
progress,
TRUE);
if (progress)
gimp_progress_end (progress);
gimp_image_flush (gimage);
gtk_widget_destroy (options->dialog->shell);
}
else
{
g_message (_("Invalid width or height. Both must be positive."));
}
}
static void
layers_scale_layer_query (GimpDisplay *gdisp,
GimpImage *gimage,
GimpLayer *layer,
GtkWidget *parent)
{
ScaleLayerOptions *options;
options = g_new0 (ScaleLayerOptions, 1);
options->gdisp = gdisp;
options->layer = layer;
options->dialog =
resize_dialog_new (GIMP_VIEWABLE (layer), parent,
SCALE_DIALOG,
gimp_item_width (GIMP_ITEM (layer)),
gimp_item_height (GIMP_ITEM (layer)),
gimage->xresolution,
gimage->yresolution,
(gdisp ?
GIMP_DISPLAY_SHELL (gdisp->shell)->unit :
GIMP_UNIT_PIXEL),
G_CALLBACK (scale_layer_query_ok_callback),
options);
g_object_weak_ref (G_OBJECT (options->dialog->shell),
(GWeakNotify) g_free,
options);
gtk_widget_show (options->dialog->shell);
}
/*****************************/
/* The resize layer dialog */
/*****************************/
typedef struct _ResizeLayerOptions ResizeLayerOptions;
struct _ResizeLayerOptions
{
GimpLayer *layer;
GimpContext *context;
ResizeDialog *dialog;
};
static void
resize_layer_query_ok_callback (GtkWidget *widget,
gpointer data)
{
ResizeLayerOptions *options = data;
GimpLayer *layer;
if (options->dialog->width > 0 && options->dialog->height > 0 &&
(layer = (options->layer)))
{
GimpImage *gimage = gimp_item_get_image (GIMP_ITEM (layer));
gtk_widget_set_sensitive (options->dialog->shell, FALSE);
gimp_item_resize (GIMP_ITEM (layer),
options->context,
options->dialog->width,
options->dialog->height,
options->dialog->offset_x,
options->dialog->offset_y);
gimp_image_flush (gimage);
gtk_widget_destroy (options->dialog->shell);
}
else
{
g_message (_("Invalid width or height. Both must be positive."));
}
}
static void
layers_resize_layer_query (GimpDisplay *gdisp,
GimpImage *gimage,
GimpLayer *layer,
GimpContext *context,
GtkWidget *parent)
{
ResizeLayerOptions *options;
options = g_new0 (ResizeLayerOptions, 1);
options->context = context;
options->layer = layer;
options->dialog =
resize_dialog_new (GIMP_VIEWABLE (layer), parent,
RESIZE_DIALOG,
gimp_item_width (GIMP_ITEM (layer)),
gimp_item_height (GIMP_ITEM (layer)),
gimage->xresolution,
gimage->yresolution,
(gdisp ?
GIMP_DISPLAY_SHELL (gdisp->shell)->unit :
GIMP_UNIT_PIXEL),
G_CALLBACK (resize_layer_query_ok_callback),
options);
g_object_weak_ref (G_OBJECT (options->dialog->shell),
(GWeakNotify) g_free,
options);
gtk_widget_show (options->dialog->shell);
}
static gint
layers_mode_index (GimpLayerModeEffects layer_mode)
{
gint i = 0;
while (i < (G_N_ELEMENTS (layer_modes) - 1) && layer_modes[i] != layer_mode)
i++;
return i;
}
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