PIKApp/app/actions/channels-commands.c

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libpikabase/pikabase.h"
#include "libpikacolor/pikacolor.h"
#include "libpikawidgets/pikawidgets.h"
#include "actions-types.h"
#include "config/pikadialogconfig.h"
#include "core/pika.h"
#include "core/pikachannel.h"
#include "core/pikachannel-select.h"
#include "core/pikacontainer.h"
#include "core/pikacontext.h"
#include "core/pikadrawable-fill.h"
#include "core/pikaimage.h"
#include "core/pikaimage-undo.h"
#include "widgets/pikaaction.h"
#include "widgets/pikacolorpanel.h"
#include "widgets/pikacomponenteditor.h"
#include "widgets/pikadock.h"
#include "widgets/pikahelp-ids.h"
#include "dialogs/dialogs.h"
#include "dialogs/channel-options-dialog.h"
#include "actions.h"
#include "channels-commands.h"
#include "items-commands.h"
#include "pika-intl.h"
#define RGBA_EPSILON 1e-6
/* local function prototypes */
static void channels_new_callback (GtkWidget *dialog,
PikaImage *image,
PikaChannel *channel,
PikaContext *context,
const gchar *channel_name,
const PikaRGB *channel_color,
gboolean save_selection,
gboolean channel_visible,
PikaColorTag channel_color_tag,
gboolean channel_lock_content,
gboolean channel_lock_position,
gboolean channel_lock_visibility,
gpointer user_data);
static void channels_edit_attributes_callback (GtkWidget *dialog,
PikaImage *image,
PikaChannel *channel,
PikaContext *context,
const gchar *channel_name,
const PikaRGB *channel_color,
gboolean save_selection,
gboolean channel_visible,
PikaColorTag channel_color_tag,
gboolean channel_lock_content,
gboolean channel_lock_position,
gboolean channel_lock_visibility,
gpointer user_data);
/* public functions */
void
channels_edit_attributes_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
PikaChannel *channel;
GList *channels;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_channels (image, channels, data);
return_if_no_widget (widget, data);
#define EDIT_DIALOG_KEY "pika-channel-edit-attributes-dialog"
if (g_list_length (channels) != 1)
return;
channel = channels->data;
dialog = dialogs_get_dialog (G_OBJECT (channel), EDIT_DIALOG_KEY);
if (! dialog)
{
PikaItem *item = PIKA_ITEM (channel);
dialog = channel_options_dialog_new (image, channel,
action_data_get_context (data),
widget,
_("Channel Attributes"),
"pika-channel-edit",
PIKA_ICON_EDIT,
_("Edit Channel Attributes"),
PIKA_HELP_CHANNEL_EDIT,
_("Edit Channel Color"),
_("_Fill opacity:"),
FALSE,
pika_object_get_name (channel),
&channel->color,
pika_item_get_visible (item),
pika_item_get_color_tag (item),
pika_item_get_lock_content (item),
pika_item_get_lock_position (item),
pika_item_get_lock_visibility (item),
channels_edit_attributes_callback,
NULL);
dialogs_attach_dialog (G_OBJECT (channel), EDIT_DIALOG_KEY, dialog);
}
gtk_window_present (GTK_WINDOW (dialog));
}
void
channels_new_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
#define NEW_DIALOG_KEY "pika-channel-new-dialog"
dialog = dialogs_get_dialog (G_OBJECT (image), NEW_DIALOG_KEY);
if (! dialog)
{
PikaDialogConfig *config = PIKA_DIALOG_CONFIG (image->pika->config);
dialog = channel_options_dialog_new (image, NULL,
action_data_get_context (data),
widget,
_("New Channel"),
"pika-channel-new",
PIKA_ICON_CHANNEL,
_("Create a New Channel"),
PIKA_HELP_CHANNEL_NEW,
_("New Channel Color"),
_("_Fill opacity:"),
TRUE,
config->channel_new_name,
&config->channel_new_color,
TRUE,
PIKA_COLOR_TAG_NONE,
FALSE,
FALSE,
FALSE,
channels_new_callback,
NULL);
dialogs_attach_dialog (G_OBJECT (image), NEW_DIALOG_KEY, dialog);
}
gtk_window_present (GTK_WINDOW (dialog));
}
void
channels_new_last_vals_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
PikaChannel *channel;
PikaDialogConfig *config;
return_if_no_image (image, data);
config = PIKA_DIALOG_CONFIG (image->pika->config);
channel = pika_channel_new (image,
pika_image_get_width (image),
pika_image_get_height (image),
config->channel_new_name,
&config->channel_new_color);
pika_drawable_fill (PIKA_DRAWABLE (channel),
action_data_get_context (data),
PIKA_FILL_TRANSPARENT);
pika_image_add_channel (image, channel,
PIKA_IMAGE_ACTIVE_PARENT, -1, TRUE);
pika_image_flush (image);
}
void
channels_raise_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *channels;
GList *iter;
GList *raised_channels = NULL;
return_if_no_channels (image, channels, data);
for (iter = channels; iter; iter = iter->next)
{
gint index;
index = pika_item_get_index (iter->data);
if (index > 0)
raised_channels = g_list_prepend (raised_channels, iter->data);
}
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_ITEM_DISPLACE,
ngettext ("Raise Channel",
"Raise Channels",
g_list_length (raised_channels)));
for (iter = raised_channels; iter; iter = iter->next)
pika_image_raise_item (image, iter->data, NULL);
pika_image_flush (image);
pika_image_undo_group_end (image);
g_list_free (raised_channels);
}
void
channels_raise_to_top_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *channels;
GList *iter;
GList *raised_channels = NULL;
return_if_no_channels (image, channels, data);
for (iter = channels; iter; iter = iter->next)
{
gint index;
index = pika_item_get_index (iter->data);
if (index > 0)
raised_channels = g_list_prepend (raised_channels, iter->data);
}
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_ITEM_DISPLACE,
ngettext ("Raise Channel to Top",
"Raise Channels to Top",
g_list_length (raised_channels)));
for (iter = raised_channels; iter; iter = iter->next)
pika_image_raise_item_to_top (image, iter->data);
pika_image_flush (image);
pika_image_undo_group_end (image);
g_list_free (raised_channels);
}
void
channels_lower_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *channels;
GList *iter;
GList *lowered_channels = NULL;
return_if_no_channels (image, channels, data);
for (iter = channels; iter; iter = iter->next)
{
GList *layer_list;
gint index;
layer_list = pika_item_get_container_iter (PIKA_ITEM (iter->data));
index = pika_item_get_index (iter->data);
if (index < g_list_length (layer_list) - 1)
lowered_channels = g_list_prepend (lowered_channels, iter->data);
}
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_ITEM_DISPLACE,
ngettext ("Lower Channel",
"Lower Channels",
g_list_length (lowered_channels)));
for (iter = lowered_channels; iter; iter = iter->next)
pika_image_lower_item (image, iter->data, NULL);
pika_image_flush (image);
pika_image_undo_group_end (image);
g_list_free (lowered_channels);
}
void
channels_lower_to_bottom_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *channels;
GList *iter;
GList *lowered_channels = NULL;
return_if_no_channels (image, channels, data);
for (iter = channels; iter; iter = iter->next)
{
GList *layer_list;
gint index;
layer_list = pika_item_get_container_iter (PIKA_ITEM (iter->data));
index = pika_item_get_index (iter->data);
if (index < g_list_length (layer_list) - 1)
lowered_channels = g_list_prepend (lowered_channels, iter->data);
}
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_ITEM_DISPLACE,
ngettext ("Lower Channel to Bottom",
"Lower Channels to Bottom",
g_list_length (lowered_channels)));
for (iter = lowered_channels; iter; iter = iter->next)
pika_image_lower_item_to_bottom (image, iter->data);
pika_image_flush (image);
pika_image_undo_group_end (image);
g_list_free (lowered_channels);
}
void
channels_duplicate_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image = NULL;
GList *channels;
PikaChannel *parent = PIKA_IMAGE_ACTIVE_PARENT;
return_if_no_channels (image, channels, data);
if (PIKA_IS_COMPONENT_EDITOR (data))
{
PikaChannelType component;
PikaChannel *new_channel;
const gchar *desc;
gchar *name;
component = PIKA_COMPONENT_EDITOR (data)->clicked_component;
pika_enum_get_value (PIKA_TYPE_CHANNEL_TYPE, component,
NULL, NULL, &desc, NULL);
name = g_strdup_printf (_("%s Channel Copy"), desc);
new_channel = pika_channel_new_from_component (image, component,
name, NULL);
/* copied components are invisible by default so subsequent copies
* of components don't affect each other
*/
pika_item_set_visible (PIKA_ITEM (new_channel), FALSE, FALSE);
pika_image_add_channel (image, new_channel, parent, -1, TRUE);
g_free (name);
}
else
{
GList *new_channels = NULL;
GList *iter;
channels = g_list_copy (channels);
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_CHANNEL_ADD,
_("Duplicate channels"));
for (iter = channels; iter; iter = iter->next)
{
PikaChannel *new_channel;
new_channel = PIKA_CHANNEL (pika_item_duplicate (PIKA_ITEM (iter->data),
G_TYPE_FROM_INSTANCE (iter->data)));
/* use the actual parent here, not PIKA_IMAGE_ACTIVE_PARENT because
* the latter would add a duplicated group inside itself instead of
* above it
*/
pika_image_add_channel (image, new_channel,
pika_channel_get_parent (iter->data),
pika_item_get_index (iter->data),
TRUE);
new_channels = g_list_prepend (new_channels, new_channel);
}
pika_image_set_selected_channels (image, new_channels);
g_list_free (channels);
g_list_free (new_channels);
pika_image_undo_group_end (image);
}
pika_image_flush (image);
}
void
channels_delete_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *channels;
GList *iter;
return_if_no_channels (image, channels, data);
channels = g_list_copy (channels);
if (g_list_length (channels) > 1)
{
gchar *undo_name;
undo_name = g_strdup_printf (C_("undo-type", "Remove %d Channels"),
g_list_length (channels));
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_IMAGE_ITEM_REMOVE,
undo_name);
}
for (iter = channels; iter; iter = iter->next)
pika_image_remove_channel (image, iter->data, TRUE, NULL);
if (g_list_length (channels) > 1)
pika_image_undo_group_end (image);
g_list_free (channels);
pika_image_flush (image);
}
void
channels_to_selection_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaChannelOps op;
PikaImage *image;
op = (PikaChannelOps) g_variant_get_int32 (value);
if (PIKA_IS_COMPONENT_EDITOR (data))
{
PikaChannelType component;
return_if_no_image (image, data);
component = PIKA_COMPONENT_EDITOR (data)->clicked_component;
pika_channel_select_component (pika_image_get_mask (image), component,
op, FALSE, 0.0, 0.0);
}
else
{
GList *channels;
GList *iter;
return_if_no_channels (image, channels, data);
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_DRAWABLE_MOD,
_("Channels to selection"));
for (iter = channels; iter; iter = iter->next)
{
pika_item_to_selection (iter->data, op, TRUE, FALSE, 0.0, 0.0);
if (op == PIKA_CHANNEL_OP_REPLACE && iter == channels)
op = PIKA_CHANNEL_OP_ADD;
}
pika_image_undo_group_end (image);
}
pika_image_flush (image);
}
void
channels_visible_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *channels;
return_if_no_channels (image, channels, data);
items_visible_cmd_callback (action, value, image, channels);
}
void
channels_lock_content_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *channels;
return_if_no_channels (image, channels, data);
items_lock_content_cmd_callback (action, value, image, channels);
}
void
channels_lock_position_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *channels;
return_if_no_channels (image, channels, data);
items_lock_position_cmd_callback (action, value, image, channels);
}
void
channels_color_tag_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *channels;
PikaColorTag color_tag;
return_if_no_channels (image, channels, data);
color_tag = (PikaColorTag) g_variant_get_int32 (value);
items_color_tag_cmd_callback (action, image, channels, color_tag);
}
void
channels_select_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *channels;
GList *new_channels = NULL;
GList *iter;
PikaActionSelectType select_type;
gboolean run_once;
return_if_no_image (image, data);
select_type = (PikaActionSelectType) g_variant_get_int32 (value);
channels = pika_image_get_selected_channels (image);
run_once = (g_list_length (channels) == 0);
for (iter = channels; iter || run_once; iter = iter ? iter->next : NULL)
{
PikaChannel *new_channel = NULL;
PikaContainer *container;
if (iter)
{
container = pika_item_get_container (PIKA_ITEM (iter->data));
}
else /* run_once */
{
container = pika_image_get_channels (image);
run_once = FALSE;
}
new_channel = (PikaChannel *) action_select_object (select_type,
container,
iter ? iter->data : NULL);
if (new_channel)
new_channels = g_list_prepend (new_channels, new_channel);
}
if (new_channels)
{
pika_image_set_selected_channels (image, new_channels);
pika_image_flush (image);
}
g_list_free (new_channels);
}
/* private functions */
static void
channels_new_callback (GtkWidget *dialog,
PikaImage *image,
PikaChannel *channel,
PikaContext *context,
const gchar *channel_name,
const PikaRGB *channel_color,
gboolean save_selection,
gboolean channel_visible,
PikaColorTag channel_color_tag,
gboolean channel_lock_content,
gboolean channel_lock_position,
gboolean channel_lock_visibility,
gpointer user_data)
{
PikaDialogConfig *config = PIKA_DIALOG_CONFIG (image->pika->config);
g_object_set (config,
"channel-new-name", channel_name,
"channel-new-color", channel_color,
NULL);
if (save_selection)
{
PikaChannel *selection = pika_image_get_mask (image);
channel = PIKA_CHANNEL (pika_item_duplicate (PIKA_ITEM (selection),
PIKA_TYPE_CHANNEL));
pika_object_set_name (PIKA_OBJECT (channel),
config->channel_new_name);
pika_channel_set_color (channel, &config->channel_new_color, FALSE);
}
else
{
channel = pika_channel_new (image,
pika_image_get_width (image),
pika_image_get_height (image),
config->channel_new_name,
&config->channel_new_color);
pika_drawable_fill (PIKA_DRAWABLE (channel), context,
PIKA_FILL_TRANSPARENT);
}
pika_item_set_visible (PIKA_ITEM (channel), channel_visible, FALSE);
pika_item_set_color_tag (PIKA_ITEM (channel), channel_color_tag, FALSE);
pika_item_set_lock_content (PIKA_ITEM (channel), channel_lock_content, FALSE);
pika_item_set_lock_position (PIKA_ITEM (channel), channel_lock_position, FALSE);
pika_item_set_lock_visibility (PIKA_ITEM (channel), channel_lock_visibility, FALSE);
pika_image_add_channel (image, channel,
PIKA_IMAGE_ACTIVE_PARENT, -1, TRUE);
pika_image_flush (image);
gtk_widget_destroy (dialog);
}
static void
channels_edit_attributes_callback (GtkWidget *dialog,
PikaImage *image,
PikaChannel *channel,
PikaContext *context,
const gchar *channel_name,
const PikaRGB *channel_color,
gboolean save_selection,
gboolean channel_visible,
PikaColorTag channel_color_tag,
gboolean channel_lock_content,
gboolean channel_lock_position,
gboolean channel_lock_visibility,
gpointer user_data)
{
PikaItem *item = PIKA_ITEM (channel);
if (strcmp (channel_name, pika_object_get_name (channel)) ||
pika_rgba_distance (channel_color, &channel->color) > RGBA_EPSILON ||
channel_visible != pika_item_get_visible (item) ||
channel_color_tag != pika_item_get_color_tag (item) ||
channel_lock_content != pika_item_get_lock_content (item) ||
channel_lock_position != pika_item_get_lock_position (item) ||
channel_lock_visibility != pika_item_get_lock_visibility (item))
{
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_ITEM_PROPERTIES,
_("Channel Attributes"));
if (strcmp (channel_name, pika_object_get_name (channel)))
pika_item_rename (PIKA_ITEM (channel), channel_name, NULL);
if (pika_rgba_distance (channel_color, &channel->color) > RGBA_EPSILON)
pika_channel_set_color (channel, channel_color, TRUE);
if (channel_visible != pika_item_get_visible (item))
pika_item_set_visible (item, channel_visible, TRUE);
if (channel_color_tag != pika_item_get_color_tag (item))
pika_item_set_color_tag (item, channel_color_tag, TRUE);
if (channel_lock_content != pika_item_get_lock_content (item))
pika_item_set_lock_content (item, channel_lock_content, TRUE);
if (channel_lock_position != pika_item_get_lock_position (item))
pika_item_set_lock_position (item, channel_lock_position, TRUE);
if (channel_lock_visibility != pika_item_get_lock_visibility (item))
pika_item_set_lock_visibility (item, channel_lock_visibility, TRUE);
pika_image_undo_group_end (image);
pika_image_flush (image);
}
gtk_widget_destroy (dialog);
}