gimp/app/core/gimppadactions.c

446 lines
13 KiB
C

/* GIMP - The GNU 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 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 <stdlib.h>
#include <string.h> /* memcmp */
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpconfig/gimpconfig.h"
#include "core-types.h"
#include "gimppadactions.h"
#include "gimpparamspecs.h"
#include "gimp-intl.h"
typedef struct _GimpPadAction GimpPadAction;
struct _GimpPadAction
{
GimpPadActionType type;
gint number;
gint mode;
gchar *action_name;
};
struct _GimpPadActionsPrivate
{
GArray *actions;
};
/* local function prototypes */
static void gimp_pad_actions_config_iface_init (GimpConfigInterface *iface);
static void gimp_pad_actions_finalize (GObject *object);
static gboolean gimp_pad_actions_serialize (GimpConfig *config,
GimpConfigWriter *writer,
gpointer data);
static gboolean gimp_pad_actions_deserialize (GimpConfig *config,
GScanner *scanner,
gint nest_level,
gpointer data);
static gboolean gimp_pad_actions_equal (GimpConfig *a,
GimpConfig *b);
static void gimp_pad_actions_reset (GimpConfig *config);
static gboolean gimp_pad_actions_config_copy (GimpConfig *src,
GimpConfig *dest,
GParamFlags flags);
G_DEFINE_TYPE_WITH_CODE (GimpPadActions, gimp_pad_actions, G_TYPE_OBJECT,
G_ADD_PRIVATE (GimpPadActions)
G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG,
gimp_pad_actions_config_iface_init))
#define parent_class gimp_pad_actions_parent_class
static void
gimp_pad_actions_class_init (GimpPadActionsClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gimp_pad_actions_finalize;
}
static void
gimp_pad_actions_config_iface_init (GimpConfigInterface *iface)
{
iface->serialize = gimp_pad_actions_serialize;
iface->deserialize = gimp_pad_actions_deserialize;
iface->equal = gimp_pad_actions_equal;
iface->reset = gimp_pad_actions_reset;
iface->copy = gimp_pad_actions_config_copy;
}
static void
clear_action (gpointer user_data)
{
GimpPadAction *pad_action = user_data;
g_free (pad_action->action_name);
}
static void
gimp_pad_actions_init (GimpPadActions *pad_actions)
{
pad_actions->priv = gimp_pad_actions_get_instance_private (pad_actions);
pad_actions->priv->actions =
g_array_new (FALSE, FALSE, sizeof (GimpPadAction));
g_array_set_clear_func (pad_actions->priv->actions, clear_action);
}
static void
gimp_pad_actions_finalize (GObject *object)
{
GimpPadActions *pad_actions = GIMP_PAD_ACTIONS (object);
g_clear_pointer (&pad_actions->priv->actions, g_array_unref);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gimp_pad_actions_serialize (GimpConfig *config,
GimpConfigWriter *writer,
gpointer data)
{
GimpPadActions *pad_actions = GIMP_PAD_ACTIONS (config);
guint i;
for (i = 0; i < pad_actions->priv->actions->len; i++)
{
GimpPadAction *pad_action;
const gchar *name = NULL;
pad_action = &g_array_index (pad_actions->priv->actions,
GimpPadAction, i);
switch (pad_action->type)
{
case GIMP_PAD_ACTION_BUTTON:
name = "button";
break;
case GIMP_PAD_ACTION_RING:
name = "ring";
break;
case GIMP_PAD_ACTION_STRIP:
name = "strip";
break;
}
gimp_config_writer_open (writer, name);
gimp_config_writer_printf (writer, "%d", pad_action->number);
gimp_config_writer_printf (writer, "%d", pad_action->mode);
gimp_config_writer_string (writer, pad_action->action_name);
gimp_config_writer_close (writer);
}
return TRUE;
}
static gboolean
gimp_pad_actions_deserialize (GimpConfig *config,
GScanner *scanner,
gint nest_level,
gpointer data)
{
GimpPadActions *pad_actions = GIMP_PAD_ACTIONS (config);
GTokenType token;
guint scope_id;
guint old_scope_id;
scope_id = g_type_qname (G_TYPE_FROM_INSTANCE (config));
old_scope_id = g_scanner_set_scope (scanner, scope_id);
g_scanner_scope_add_symbol (scanner, scope_id, "button",
GINT_TO_POINTER (GIMP_PAD_ACTION_BUTTON));
g_scanner_scope_add_symbol (scanner, scope_id, "ring",
GINT_TO_POINTER (GIMP_PAD_ACTION_RING));
g_scanner_scope_add_symbol (scanner, scope_id, "strip",
GINT_TO_POINTER (GIMP_PAD_ACTION_STRIP));
token = G_TOKEN_LEFT_PAREN;
while (g_scanner_peek_next_token (scanner) == token)
{
GimpPadActionType type;
gint number;
gint mode;
gchar *action_name = NULL;
token = g_scanner_get_next_token (scanner);
switch (token)
{
case G_TOKEN_LEFT_PAREN:
token = G_TOKEN_SYMBOL;
break;
case G_TOKEN_SYMBOL:
if (scanner->value.v_symbol == GUINT_TO_POINTER (GIMP_PAD_ACTION_BUTTON) ||
scanner->value.v_symbol == GUINT_TO_POINTER (GIMP_PAD_ACTION_RING) ||
scanner->value.v_symbol == GUINT_TO_POINTER (GIMP_PAD_ACTION_STRIP))
type = GPOINTER_TO_UINT (scanner->value.v_symbol);
else
goto error;
if (! gimp_scanner_parse_int (scanner, &number))
goto error;
if (! gimp_scanner_parse_int (scanner, &mode))
goto error;
if (! gimp_scanner_parse_string (scanner, &action_name))
goto error;
gimp_pad_actions_set_action (pad_actions, type, number, mode,
action_name);
g_clear_pointer (&action_name, g_free);
token = G_TOKEN_RIGHT_PAREN;
break;
case G_TOKEN_RIGHT_PAREN:
token = G_TOKEN_LEFT_PAREN;
break;
default:
break;
}
}
error:
g_scanner_scope_remove_symbol (scanner, scope_id, "button");
g_scanner_scope_remove_symbol (scanner, scope_id, "ring");
g_scanner_scope_remove_symbol (scanner, scope_id, "strip");
g_scanner_set_scope (scanner, old_scope_id);
return G_TOKEN_LEFT_PAREN;
}
static gboolean
gimp_pad_actions_equal (GimpConfig *a,
GimpConfig *b)
{
GimpPadActions *a_pad_actions = GIMP_PAD_ACTIONS (a);
GimpPadActions *b_pad_actions = GIMP_PAD_ACTIONS (b);
if (a_pad_actions->priv->actions->len != b_pad_actions->priv->actions->len ||
memcmp (a_pad_actions->priv->actions->data,
b_pad_actions->priv->actions->data,
sizeof (GimpPadAction) * a_pad_actions->priv->actions->len))
{
return FALSE;
}
return TRUE;
}
static void
gimp_pad_actions_reset (GimpConfig *config)
{
GimpPadActions *pad_actions = GIMP_PAD_ACTIONS (config);
g_array_set_size (pad_actions->priv->actions, 0);
}
static gboolean
gimp_pad_actions_config_copy (GimpConfig *src,
GimpConfig *dest,
GParamFlags flags)
{
gimp_config_sync (G_OBJECT (src), G_OBJECT (dest), flags);
gimp_data_dirty (GIMP_DATA (dest));
return TRUE;
}
static gint
gimp_pad_actions_find_action (GArray *array,
GimpPadActionType type,
guint number,
guint mode)
{
GimpPadAction *pad_action;
guint i;
for (i = 0; i < array->len; i++)
{
pad_action = &g_array_index (array, GimpPadAction, i);
if (pad_action->type == type && pad_action->number == number &&
pad_action->mode == mode)
return i;
}
return -1;
}
/* public functions */
GimpPadActions *
gimp_pad_actions_new (void)
{
return g_object_new (GIMP_TYPE_PAD_ACTIONS, NULL);
}
void
gimp_pad_actions_foreach (GimpPadActions *pad_actions,
GimpPadActionForeach func,
gpointer data)
{
GimpPadActionsPrivate *private;
GimpPadAction *pad_action;
guint i;
private = pad_actions->priv;
for (i = 0; i < private->actions->len; i++)
{
pad_action = &g_array_index (private->actions, GimpPadAction, i);
func (pad_actions, pad_action->type, pad_action->number, pad_action->mode,
pad_action->action_name, data);
}
}
gint
gimp_pad_actions_set_action (GimpPadActions *pad_actions,
GimpPadActionType type,
guint number,
guint mode,
const gchar *action_name)
{
GimpPadActionsPrivate *private;
GimpPadAction new_action = { 0, };
guint i;
g_return_val_if_fail (GIMP_IS_PAD_ACTIONS (pad_actions), -1);
g_return_val_if_fail (type <= GIMP_PAD_ACTION_STRIP, -1);
g_return_val_if_fail (action_name, -1);
g_return_val_if_fail (*action_name, -1);
new_action.type = type;
new_action.number = number;
new_action.mode = mode;
new_action.action_name = g_strdup (action_name);
private = pad_actions->priv;
/* Find insertion point */
for (i = 0; i < private->actions->len; i++)
{
GimpPadAction *pad_action;
pad_action = &g_array_index (private->actions,
GimpPadAction, i);
/* If the number/mode is already there, this is an existing item */
if (pad_action->type == type && pad_action->number == number &&
pad_action->mode == mode)
{
g_array_remove_index (private->actions, i);
break;
}
if (pad_action->type > type ||
(pad_action->type == type && pad_action->mode > mode) ||
(pad_action->type == type && pad_action->mode == mode &&
pad_action->number > number))
break;
}
if (i == pad_actions->priv->actions->len)
g_array_append_val (private->actions, new_action);
else
g_array_insert_val (private->actions, i, new_action);
return i;
}
void
gimp_pad_actions_clear_action (GimpPadActions *pad_actions,
GimpPadActionType type,
guint number,
guint mode)
{
GimpPadActionsPrivate *private;
gint pos;
g_return_if_fail (GIMP_IS_PAD_ACTIONS (pad_actions));
g_return_if_fail (type <= GIMP_PAD_ACTION_STRIP);
private = pad_actions->priv;
pos = gimp_pad_actions_find_action (private->actions, type,
number, mode);
if (pos >= 0)
g_array_remove_index (private->actions, pos);
}
gint
gimp_pad_actions_get_n_actions (GimpPadActions *pad_actions)
{
GimpPadActionsPrivate *private;
g_return_val_if_fail (GIMP_IS_PAD_ACTIONS (pad_actions), -1);
private = pad_actions->priv;
return private->actions->len;
}
const gchar *
gimp_pad_actions_get_action (GimpPadActions *pad_actions,
GimpPadActionType type,
guint number,
guint mode)
{
GimpPadActionsPrivate *private;
GimpPadAction *pad_action;
gint pos;
g_return_val_if_fail (GIMP_IS_PAD_ACTIONS (pad_actions), NULL);
g_return_val_if_fail (type <= GIMP_PAD_ACTION_STRIP, NULL);
private = pad_actions->priv;
pos = gimp_pad_actions_find_action (private->actions, type,
number, mode);
if (pos >= 0)
{
pad_action = &g_array_index (private->actions,
GimpPadAction, pos);
return pad_action->action_name;
}
else
{
return NULL;
}
}