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gimp/app/core/gimpcontext.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpcontext.c
* Copyright (C) 1999-2001 Michael Natterer
*
* 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 <glib-object.h>
#include "libgimpcolor/gimpcolor.h"
#include "core-types.h"
#include "base/temp-buf.h"
#include "config/gimpconfig.h"
#include "config/gimpconfig-params.h"
#include "config/gimpconfig-serialize.h"
#include "config/gimpconfig-types.h"
#include "config/gimpconfigwriter.h"
#include "config/gimpcoreconfig.h"
#include "config/gimpscanner.h"
#include "gimp.h"
#include "gimpbrush.h"
#include "gimpbuffer.h"
#include "gimpcontainer.h"
#include "gimpcontext.h"
#include "gimpdatafactory.h"
#include "gimpimagefile.h"
#include "gimpgradient.h"
#include "gimpimage.h"
#include "gimpmarshal.h"
#include "gimppalette.h"
#include "gimppattern.h"
#include "gimptemplate.h"
#include "gimptoolinfo.h"
#include "text/gimpfont.h"
#include "gimp-intl.h"
typedef void (* GimpContextCopyPropFunc) (GimpContext *src,
GimpContext *dest);
#define context_find_defined(context,prop) \
while (!(((context)->defined_props) & (1 << (prop))) && (context)->parent) \
(context) = (context)->parent
/* local function prototypes */
static void gimp_context_class_init (GimpContextClass *klass);
static void gimp_context_init (GimpContext *context);
static void gimp_context_config_iface_init (GimpConfigInterface *config_iface);
static GObject * gimp_context_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_context_dispose (GObject *object);
static void gimp_context_finalize (GObject *object);
static void gimp_context_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_context_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static gint64 gimp_context_get_memsize (GimpObject *object,
gint64 *gui_size);
static gboolean gimp_context_serialize (GimpConfig *config,
GimpConfigWriter *writer,
gpointer data);
static gboolean gimp_context_serialize_property (GimpConfig *config,
guint property_id,
const GValue *value,
GParamSpec *pspec,
GimpConfigWriter *writer);
static gboolean gimp_context_deserialize_property (GimpConfig *config,
guint property_id,
GValue *value,
GParamSpec *pspec,
GScanner *scanner,
GTokenType *expected);
/* image */
static void gimp_context_image_removed (GimpContainer *container,
GimpImage *image,
GimpContext *context);
static void gimp_context_real_set_image (GimpContext *context,
GimpImage *image);
/* display */
static void gimp_context_display_removed (GimpContainer *container,
gpointer display,
GimpContext *context);
static void gimp_context_real_set_display (GimpContext *context,
gpointer display);
/* tool */
static void gimp_context_tool_dirty (GimpToolInfo *tool_info,
GimpContext *context);
static void gimp_context_tool_removed (GimpContainer *container,
GimpToolInfo *tool_info,
GimpContext *context);
static void gimp_context_tool_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_tool (GimpContext *context,
GimpToolInfo *tool_info);
/* foreground */
static void gimp_context_real_set_foreground (GimpContext *context,
const GimpRGB *color);
/* background */
static void gimp_context_real_set_background (GimpContext *context,
const GimpRGB *color);
/* opacity */
static void gimp_context_real_set_opacity (GimpContext *context,
gdouble opacity);
/* paint mode */
static void gimp_context_real_set_paint_mode (GimpContext *context,
GimpLayerModeEffects paint_mode);
/* brush */
static void gimp_context_brush_dirty (GimpBrush *brush,
GimpContext *context);
static void gimp_context_brush_removed (GimpContainer *brush_list,
GimpBrush *brush,
GimpContext *context);
static void gimp_context_brush_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_brush (GimpContext *context,
GimpBrush *brush);
/* pattern */
static void gimp_context_pattern_dirty (GimpPattern *pattern,
GimpContext *context);
static void gimp_context_pattern_removed (GimpContainer *container,
GimpPattern *pattern,
GimpContext *context);
static void gimp_context_pattern_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_pattern (GimpContext *context,
GimpPattern *pattern);
/* gradient */
static void gimp_context_gradient_dirty (GimpGradient *gradient,
GimpContext *context);
static void gimp_context_gradient_removed (GimpContainer *container,
GimpGradient *gradient,
GimpContext *context);
static void gimp_context_gradient_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_gradient (GimpContext *context,
GimpGradient *gradient);
/* palette */
static void gimp_context_palette_dirty (GimpPalette *palette,
GimpContext *context);
static void gimp_context_palette_removed (GimpContainer *container,
GimpPalette *palatte,
GimpContext *context);
static void gimp_context_palette_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_palette (GimpContext *context,
GimpPalette *palatte);
/* font */
static void gimp_context_font_dirty (GimpFont *font,
GimpContext *context);
static void gimp_context_font_removed (GimpContainer *container,
GimpFont *font,
GimpContext *context);
static void gimp_context_font_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_font (GimpContext *context,
GimpFont *font);
/* buffer */
static void gimp_context_buffer_dirty (GimpBuffer *buffer,
GimpContext *context);
static void gimp_context_buffer_removed (GimpContainer *container,
GimpBuffer *buffer,
GimpContext *context);
static void gimp_context_buffer_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_buffer (GimpContext *context,
GimpBuffer *buffer);
/* imagefile */
static void gimp_context_imagefile_dirty (GimpImagefile *imagefile,
GimpContext *context);
static void gimp_context_imagefile_removed (GimpContainer *container,
GimpImagefile *imagefile,
GimpContext *context);
static void gimp_context_imagefile_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_imagefile (GimpContext *context,
GimpImagefile *imagefile);
/* template */
static void gimp_context_template_dirty (GimpTemplate *template,
GimpContext *context);
static void gimp_context_template_removed (GimpContainer *container,
GimpTemplate *template,
GimpContext *context);
static void gimp_context_template_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_template (GimpContext *context,
GimpTemplate *template);
/* utilities */
static gpointer gimp_context_find_object (GimpContext *context,
GimpContainer *container,
const gchar *object_name,
gpointer standard_object);
/* properties & signals */
enum
{
GIMP_CONTEXT_PROP_0,
GIMP_CONTEXT_PROP_GIMP
/* remaining values are in gimpcontext.h */
};
enum
{
DUMMY_0,
DUMMY_1,
IMAGE_CHANGED,
DISPLAY_CHANGED,
TOOL_CHANGED,
FOREGROUND_CHANGED,
BACKGROUND_CHANGED,
OPACITY_CHANGED,
PAINT_MODE_CHANGED,
BRUSH_CHANGED,
PATTERN_CHANGED,
GRADIENT_CHANGED,
PALETTE_CHANGED,
FONT_CHANGED,
BUFFER_CHANGED,
IMAGEFILE_CHANGED,
TEMPLATE_CHANGED,
LAST_SIGNAL
};
static gchar *gimp_context_prop_names[] =
{
NULL, /* PROP_0 */
"gimp",
"image",
"display",
"tool",
"foreground",
"background",
"opacity",
"paint-mode",
"brush",
"pattern",
"gradient",
"palette",
"font",
"buffer",
"imagefile",
"template"
};
static GType gimp_context_prop_types[] =
{
G_TYPE_NONE, /* PROP_0 */
G_TYPE_NONE, /* PROP_GIMP */
0,
G_TYPE_NONE,
0,
G_TYPE_NONE,
G_TYPE_NONE,
G_TYPE_NONE,
G_TYPE_NONE,
0,
0,
0,
0,
0,
0,
0,
0
};
static guint gimp_context_signals[LAST_SIGNAL] = { 0 };
static GimpObjectClass * parent_class = NULL;
static GimpToolInfo *standard_tool_info = NULL;
static GimpBrush *standard_brush = NULL;
static GimpPattern *standard_pattern = NULL;
static GimpGradient *standard_gradient = NULL;
static GimpPalette *standard_palette = NULL;
static GimpFont *standard_font = NULL;
GType
gimp_context_get_type (void)
{
static GType context_type = 0;
if (! context_type)
{
static const GTypeInfo context_info =
{
sizeof (GimpContextClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_context_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpContext),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_context_init,
};
static const GInterfaceInfo config_iface_info =
{
(GInterfaceInitFunc) gimp_context_config_iface_init,
NULL, /* iface_finalize */
NULL /* iface_data */
};
context_type = g_type_register_static (GIMP_TYPE_OBJECT,
"GimpContext",
&context_info, 0);
g_type_add_interface_static (context_type, GIMP_TYPE_CONFIG,
&config_iface_info);
}
return context_type;
}
static void
gimp_context_class_init (GimpContextClass *klass)
{
GObjectClass *object_class;
GimpObjectClass *gimp_object_class;
GimpRGB black;
GimpRGB white;
gimp_rgba_set (&black, 0.0, 0.0, 0.0, GIMP_OPACITY_OPAQUE);
gimp_rgba_set (&white, 1.0, 1.0, 1.0, GIMP_OPACITY_OPAQUE);
object_class = G_OBJECT_CLASS (klass);
gimp_object_class = GIMP_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
gimp_context_signals[IMAGE_CHANGED] =
g_signal_new ("image_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, image_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_IMAGE);
gimp_context_signals[DISPLAY_CHANGED] =
g_signal_new ("display_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, display_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_OBJECT);
gimp_context_signals[TOOL_CHANGED] =
g_signal_new ("tool_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, tool_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_TOOL_INFO);
gimp_context_signals[FOREGROUND_CHANGED] =
g_signal_new ("foreground_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, foreground_changed),
NULL, NULL,
gimp_marshal_VOID__BOXED,
G_TYPE_NONE, 1,
GIMP_TYPE_COLOR | G_SIGNAL_TYPE_STATIC_SCOPE);
gimp_context_signals[BACKGROUND_CHANGED] =
g_signal_new ("background_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, background_changed),
NULL, NULL,
gimp_marshal_VOID__BOXED,
G_TYPE_NONE, 1,
GIMP_TYPE_COLOR | G_SIGNAL_TYPE_STATIC_SCOPE);
gimp_context_signals[OPACITY_CHANGED] =
g_signal_new ("opacity_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, opacity_changed),
NULL, NULL,
gimp_marshal_VOID__DOUBLE,
G_TYPE_NONE, 1,
G_TYPE_DOUBLE);
gimp_context_signals[PAINT_MODE_CHANGED] =
g_signal_new ("paint_mode_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, paint_mode_changed),
NULL, NULL,
gimp_marshal_VOID__ENUM,
G_TYPE_NONE, 1,
GIMP_TYPE_LAYER_MODE_EFFECTS);
gimp_context_signals[BRUSH_CHANGED] =
g_signal_new ("brush_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, brush_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_BRUSH);
gimp_context_signals[PATTERN_CHANGED] =
g_signal_new ("pattern_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, pattern_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_PATTERN);
gimp_context_signals[GRADIENT_CHANGED] =
g_signal_new ("gradient_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, gradient_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_GRADIENT);
gimp_context_signals[PALETTE_CHANGED] =
g_signal_new ("palette_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, palette_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_PALETTE);
gimp_context_signals[FONT_CHANGED] =
g_signal_new ("font_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, font_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_FONT);
gimp_context_signals[BUFFER_CHANGED] =
g_signal_new ("buffer_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, buffer_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_BUFFER);
gimp_context_signals[IMAGEFILE_CHANGED] =
g_signal_new ("imagefile_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, imagefile_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_IMAGEFILE);
gimp_context_signals[TEMPLATE_CHANGED] =
g_signal_new ("template_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, template_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_TEMPLATE);
object_class->constructor = gimp_context_constructor;
object_class->set_property = gimp_context_set_property;
object_class->get_property = gimp_context_get_property;
object_class->dispose = gimp_context_dispose;
object_class->finalize = gimp_context_finalize;
gimp_object_class->get_memsize = gimp_context_get_memsize;
klass->image_changed = NULL;
klass->display_changed = NULL;
klass->tool_changed = NULL;
klass->foreground_changed = NULL;
klass->background_changed = NULL;
klass->opacity_changed = NULL;
klass->paint_mode_changed = NULL;
klass->brush_changed = NULL;
klass->pattern_changed = NULL;
klass->gradient_changed = NULL;
klass->palette_changed = NULL;
klass->font_changed = NULL;
klass->buffer_changed = NULL;
klass->imagefile_changed = NULL;
klass->template_changed = NULL;
gimp_context_prop_types[GIMP_CONTEXT_PROP_IMAGE] = GIMP_TYPE_IMAGE;
gimp_context_prop_types[GIMP_CONTEXT_PROP_TOOL] = GIMP_TYPE_TOOL_INFO;
gimp_context_prop_types[GIMP_CONTEXT_PROP_BRUSH] = GIMP_TYPE_BRUSH;
gimp_context_prop_types[GIMP_CONTEXT_PROP_PATTERN] = GIMP_TYPE_PATTERN;
gimp_context_prop_types[GIMP_CONTEXT_PROP_GRADIENT] = GIMP_TYPE_GRADIENT;
gimp_context_prop_types[GIMP_CONTEXT_PROP_PALETTE] = GIMP_TYPE_PALETTE;
gimp_context_prop_types[GIMP_CONTEXT_PROP_FONT] = GIMP_TYPE_FONT;
gimp_context_prop_types[GIMP_CONTEXT_PROP_BUFFER] = GIMP_TYPE_BUFFER;
gimp_context_prop_types[GIMP_CONTEXT_PROP_IMAGEFILE] = GIMP_TYPE_IMAGEFILE;
gimp_context_prop_types[GIMP_CONTEXT_PROP_TEMPLATE] = GIMP_TYPE_TEMPLATE;
g_object_class_install_property (object_class, GIMP_CONTEXT_PROP_GIMP,
g_param_spec_object ("gimp",
NULL, NULL,
GIMP_TYPE_GIMP,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, GIMP_CONTEXT_PROP_IMAGE,
g_param_spec_object (gimp_context_prop_names[GIMP_CONTEXT_PROP_IMAGE],
NULL, NULL,
GIMP_TYPE_IMAGE,
G_PARAM_READWRITE));
g_object_class_install_property (object_class, GIMP_CONTEXT_PROP_DISPLAY,
g_param_spec_object (gimp_context_prop_names[GIMP_CONTEXT_PROP_DISPLAY],
NULL, NULL,
GIMP_TYPE_OBJECT,
G_PARAM_READWRITE));
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, GIMP_CONTEXT_PROP_TOOL,
gimp_context_prop_names[GIMP_CONTEXT_PROP_TOOL], NULL,
GIMP_TYPE_TOOL_INFO,
0);
GIMP_CONFIG_INSTALL_PROP_COLOR (object_class, GIMP_CONTEXT_PROP_FOREGROUND,
gimp_context_prop_names[GIMP_CONTEXT_PROP_FOREGROUND],
NULL,
&black,
0);
GIMP_CONFIG_INSTALL_PROP_COLOR (object_class, GIMP_CONTEXT_PROP_BACKGROUND,
gimp_context_prop_names[GIMP_CONTEXT_PROP_BACKGROUND],
NULL,
&white,
0);
GIMP_CONFIG_INSTALL_PROP_DOUBLE (object_class, GIMP_CONTEXT_PROP_OPACITY,
gimp_context_prop_names[GIMP_CONTEXT_PROP_OPACITY],
NULL,
GIMP_OPACITY_TRANSPARENT,
GIMP_OPACITY_OPAQUE,
GIMP_OPACITY_OPAQUE,
0);
GIMP_CONFIG_INSTALL_PROP_ENUM (object_class, GIMP_CONTEXT_PROP_PAINT_MODE,
gimp_context_prop_names[GIMP_CONTEXT_PROP_PAINT_MODE],
NULL,
GIMP_TYPE_LAYER_MODE_EFFECTS,
GIMP_NORMAL_MODE,
0);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, GIMP_CONTEXT_PROP_BRUSH,
gimp_context_prop_names[GIMP_CONTEXT_PROP_BRUSH],
NULL,
GIMP_TYPE_BRUSH,
0);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, GIMP_CONTEXT_PROP_PATTERN,
gimp_context_prop_names[GIMP_CONTEXT_PROP_PATTERN],
NULL,
GIMP_TYPE_PATTERN,
0);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, GIMP_CONTEXT_PROP_GRADIENT,
gimp_context_prop_names[GIMP_CONTEXT_PROP_GRADIENT],
NULL,
GIMP_TYPE_GRADIENT,
0);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, GIMP_CONTEXT_PROP_PALETTE,
gimp_context_prop_names[GIMP_CONTEXT_PROP_PALETTE],
NULL,
GIMP_TYPE_PALETTE,
0);
GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, GIMP_CONTEXT_PROP_FONT,
gimp_context_prop_names[GIMP_CONTEXT_PROP_FONT],
NULL,
GIMP_TYPE_FONT,
0);
g_object_class_install_property (object_class, GIMP_CONTEXT_PROP_BUFFER,
g_param_spec_object (gimp_context_prop_names[GIMP_CONTEXT_PROP_BUFFER],
NULL, NULL,
GIMP_TYPE_BUFFER,
G_PARAM_READWRITE));
g_object_class_install_property (object_class, GIMP_CONTEXT_PROP_IMAGEFILE,
g_param_spec_object (gimp_context_prop_names[GIMP_CONTEXT_PROP_IMAGEFILE],
NULL, NULL,
GIMP_TYPE_IMAGEFILE,
G_PARAM_READWRITE));
g_object_class_install_property (object_class, GIMP_CONTEXT_PROP_TEMPLATE,
g_param_spec_object (gimp_context_prop_names[GIMP_CONTEXT_PROP_TEMPLATE],
NULL, NULL,
GIMP_TYPE_TEMPLATE,
G_PARAM_READWRITE));
}
static void
gimp_context_init (GimpContext *context)
{
context->gimp = NULL;
context->parent = NULL;
context->defined_props = GIMP_CONTEXT_ALL_PROPS_MASK;
context->image = NULL;
context->display = NULL;
context->tool_info = NULL;
context->tool_name = NULL;
context->brush = NULL;
context->brush_name = NULL;
context->pattern = NULL;
context->pattern_name = NULL;
context->gradient = NULL;
context->gradient_name = NULL;
context->palette = NULL;
context->palette_name = NULL;
context->font = NULL;
context->font_name = NULL;
context->buffer = NULL;
context->buffer_name = NULL;
context->imagefile = NULL;
context->imagefile_name = NULL;
context->template = NULL;
context->template_name = NULL;
}
static void
gimp_context_config_iface_init (GimpConfigInterface *config_iface)
{
config_iface->serialize = gimp_context_serialize;
config_iface->serialize_property = gimp_context_serialize_property;
config_iface->deserialize_property = gimp_context_deserialize_property;
}
static GObject *
gimp_context_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
Gimp *gimp;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
gimp = GIMP_CONTEXT (object)->gimp;
g_assert (GIMP_IS_GIMP (gimp));
gimp->context_list = g_list_prepend (gimp->context_list, object);
g_signal_connect_object (gimp->images, "remove",
G_CALLBACK (gimp_context_image_removed),
object, 0);
g_signal_connect_object (gimp->displays, "remove",
G_CALLBACK (gimp_context_display_removed),
object, 0);
g_signal_connect_object (gimp->tool_info_list, "remove",
G_CALLBACK (gimp_context_tool_removed),
object, 0);
g_signal_connect_object (gimp->tool_info_list, "thaw",
G_CALLBACK (gimp_context_tool_list_thaw),
object, 0);
g_signal_connect_object (gimp->brush_factory->container, "remove",
G_CALLBACK (gimp_context_brush_removed),
object, 0);
g_signal_connect_object (gimp->brush_factory->container, "thaw",
G_CALLBACK (gimp_context_brush_list_thaw),
object, 0);
g_signal_connect_object (gimp->pattern_factory->container, "remove",
G_CALLBACK (gimp_context_pattern_removed),
object, 0);
g_signal_connect_object (gimp->pattern_factory->container, "thaw",
G_CALLBACK (gimp_context_pattern_list_thaw),
object, 0);
g_signal_connect_object (gimp->gradient_factory->container, "remove",
G_CALLBACK (gimp_context_gradient_removed),
object, 0);
g_signal_connect_object (gimp->gradient_factory->container, "thaw",
G_CALLBACK (gimp_context_gradient_list_thaw),
object, 0);
g_signal_connect_object (gimp->palette_factory->container, "remove",
G_CALLBACK (gimp_context_palette_removed),
object, 0);
g_signal_connect_object (gimp->palette_factory->container, "thaw",
G_CALLBACK (gimp_context_palette_list_thaw),
object, 0);
g_signal_connect_object (gimp->fonts, "remove",
G_CALLBACK (gimp_context_font_removed),
object, 0);
g_signal_connect_object (gimp->fonts, "thaw",
G_CALLBACK (gimp_context_font_list_thaw),
object, 0);
g_signal_connect_object (gimp->named_buffers, "remove",
G_CALLBACK (gimp_context_buffer_removed),
object, 0);
g_signal_connect_object (gimp->named_buffers, "thaw",
G_CALLBACK (gimp_context_buffer_list_thaw),
object, 0);
g_signal_connect_object (gimp->documents, "remove",
G_CALLBACK (gimp_context_imagefile_removed),
object, 0);
g_signal_connect_object (gimp->documents, "thaw",
G_CALLBACK (gimp_context_imagefile_list_thaw),
object, 0);
g_signal_connect_object (gimp->templates, "remove",
G_CALLBACK (gimp_context_template_removed),
object, 0);
g_signal_connect_object (gimp->templates, "thaw",
G_CALLBACK (gimp_context_template_list_thaw),
object, 0);
return object;
}
static void
gimp_context_dispose (GObject *object)
{
GimpContext *context = GIMP_CONTEXT (object);
if (context->gimp)
{
context->gimp->context_list = g_list_remove (context->gimp->context_list,
context);
context->gimp = NULL;
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_context_finalize (GObject *object)
{
GimpContext *context = GIMP_CONTEXT (object);
context->parent = NULL;
context->image = NULL;
context->display = NULL;
if (context->tool_info)
{
g_object_unref (context->tool_info);
context->tool_info = NULL;
}
if (context->tool_name)
{
g_free (context->tool_name);
context->tool_name = NULL;
}
if (context->brush)
{
g_object_unref (context->brush);
context->brush = NULL;
}
if (context->brush_name)
{
g_free (context->brush_name);
context->brush_name = NULL;
}
if (context->pattern)
{
g_object_unref (context->pattern);
context->pattern = NULL;
}
if (context->pattern_name)
{
g_free (context->pattern_name);
context->pattern_name = NULL;
}
if (context->gradient)
{
g_object_unref (context->gradient);
context->gradient = NULL;
}
if (context->gradient_name)
{
g_free (context->gradient_name);
context->gradient_name = NULL;
}
if (context->palette)
{
g_object_unref (context->palette);
context->palette = NULL;
}
if (context->palette_name)
{
g_free (context->palette_name);
context->palette_name = NULL;
}
if (context->font)
{
g_object_unref (context->font);
context->font = NULL;
}
if (context->font_name)
{
g_free (context->font_name);
context->font_name = NULL;
}
if (context->buffer)
{
g_object_unref (context->buffer);
context->buffer = NULL;
}
if (context->buffer_name)
{
g_free (context->buffer_name);
context->buffer_name = NULL;
}
if (context->imagefile)
{
g_object_unref (context->imagefile);
context->imagefile = NULL;
}
if (context->imagefile_name)
{
g_free (context->imagefile_name);
context->imagefile_name = NULL;
}
if (context->template)
{
g_object_unref (context->template);
context->template = NULL;
}
if (context->template_name)
{
g_free (context->template_name);
context->template_name = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_context_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpContext *context = GIMP_CONTEXT (object);
switch (property_id)
{
case GIMP_CONTEXT_PROP_GIMP:
context->gimp = g_value_get_object (value);
break;
case GIMP_CONTEXT_PROP_IMAGE:
gimp_context_set_image (context, g_value_get_object (value));
break;
case GIMP_CONTEXT_PROP_DISPLAY:
gimp_context_set_display (context, g_value_get_object (value));
break;
case GIMP_CONTEXT_PROP_TOOL:
gimp_context_set_tool (context, g_value_get_object (value));
break;
case GIMP_CONTEXT_PROP_FOREGROUND:
gimp_context_set_foreground (context, g_value_get_boxed (value));
break;
case GIMP_CONTEXT_PROP_BACKGROUND:
gimp_context_set_background (context, g_value_get_boxed (value));
break;
case GIMP_CONTEXT_PROP_OPACITY:
gimp_context_set_opacity (context, g_value_get_double (value));
break;
case GIMP_CONTEXT_PROP_PAINT_MODE:
gimp_context_set_paint_mode (context, g_value_get_enum (value));
break;
case GIMP_CONTEXT_PROP_BRUSH:
gimp_context_set_brush (context, g_value_get_object (value));
break;
case GIMP_CONTEXT_PROP_PATTERN:
gimp_context_set_pattern (context, g_value_get_object (value));
break;
case GIMP_CONTEXT_PROP_GRADIENT:
gimp_context_set_gradient (context, g_value_get_object (value));
break;
case GIMP_CONTEXT_PROP_PALETTE:
gimp_context_set_palette (context, g_value_get_object (value));
break;
case GIMP_CONTEXT_PROP_FONT:
gimp_context_set_font (context, g_value_get_object (value));
break;
case GIMP_CONTEXT_PROP_BUFFER:
gimp_context_set_buffer (context, g_value_get_object (value));
break;
case GIMP_CONTEXT_PROP_IMAGEFILE:
gimp_context_set_imagefile (context, g_value_get_object (value));
break;
case GIMP_CONTEXT_PROP_TEMPLATE:
gimp_context_set_template (context, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_context_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpContext *context = GIMP_CONTEXT (object);
switch (property_id)
{
case GIMP_CONTEXT_PROP_GIMP:
g_value_set_object (value, context->gimp);
break;
case GIMP_CONTEXT_PROP_IMAGE:
g_value_set_object (value, gimp_context_get_image (context));
break;
case GIMP_CONTEXT_PROP_DISPLAY:
g_value_set_object (value, gimp_context_get_display (context));
break;
case GIMP_CONTEXT_PROP_TOOL:
g_value_set_object (value, gimp_context_get_tool (context));
break;
case GIMP_CONTEXT_PROP_FOREGROUND:
{
GimpRGB color;
gimp_context_get_foreground (context, &color);
g_value_set_boxed (value, &color);
}
break;
case GIMP_CONTEXT_PROP_BACKGROUND:
{
GimpRGB color;
gimp_context_get_background (context, &color);
g_value_set_boxed (value, &color);
}
break;
case GIMP_CONTEXT_PROP_OPACITY:
g_value_set_double (value, gimp_context_get_opacity (context));
break;
case GIMP_CONTEXT_PROP_PAINT_MODE:
g_value_set_enum (value, gimp_context_get_paint_mode (context));
break;
case GIMP_CONTEXT_PROP_BRUSH:
g_value_set_object (value, gimp_context_get_brush (context));
break;
case GIMP_CONTEXT_PROP_PATTERN:
g_value_set_object (value, gimp_context_get_pattern (context));
break;
case GIMP_CONTEXT_PROP_GRADIENT:
g_value_set_object (value, gimp_context_get_gradient (context));
break;
case GIMP_CONTEXT_PROP_PALETTE:
g_value_set_object (value, gimp_context_get_palette (context));
break;
case GIMP_CONTEXT_PROP_FONT:
g_value_set_object (value, gimp_context_get_font (context));
break;
case GIMP_CONTEXT_PROP_BUFFER:
g_value_set_object (value, gimp_context_get_buffer (context));
break;
case GIMP_CONTEXT_PROP_IMAGEFILE:
g_value_set_object (value, gimp_context_get_imagefile (context));
break;
case GIMP_CONTEXT_PROP_TEMPLATE:
g_value_set_object (value, gimp_context_get_template (context));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static gint64
gimp_context_get_memsize (GimpObject *object,
gint64 *gui_size)
{
GimpContext *context = GIMP_CONTEXT (object);
gint64 memsize = 0;
if (context->tool_name)
memsize += strlen (context->tool_name) + 1;
if (context->brush_name)
memsize += strlen (context->brush_name) + 1;
if (context->pattern_name)
memsize += strlen (context->pattern_name) + 1;
if (context->palette_name)
memsize += strlen (context->palette_name) + 1;
if (context->font_name)
memsize += strlen (context->font_name) + 1;
if (context->buffer_name)
memsize += strlen (context->buffer_name) + 1;
if (context->imagefile_name)
memsize += strlen (context->imagefile_name) + 1;
if (context->template_name)
memsize += strlen (context->template_name) + 1;
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static gboolean
gimp_context_serialize (GimpConfig *config,
GimpConfigWriter *writer,
gpointer data)
{
return gimp_config_serialize_changed_properties (config, writer);
}
static gboolean
gimp_context_serialize_property (GimpConfig *config,
guint property_id,
const GValue *value,
GParamSpec *pspec,
GimpConfigWriter *writer)
{
GimpContext *context = GIMP_CONTEXT (config);
GimpObject *serialize_obj;
/* serialize nothing if the property is not defined */
if (! ((1 << property_id) & context->defined_props))
return TRUE;
switch (property_id)
{
case GIMP_CONTEXT_PROP_TOOL:
case GIMP_CONTEXT_PROP_BRUSH:
case GIMP_CONTEXT_PROP_PATTERN:
case GIMP_CONTEXT_PROP_GRADIENT:
case GIMP_CONTEXT_PROP_PALETTE:
case GIMP_CONTEXT_PROP_FONT:
serialize_obj = g_value_get_object (value);
break;
default:
return FALSE;
}
gimp_config_writer_open (writer, pspec->name);
if (serialize_obj)
gimp_config_writer_string (writer, gimp_object_get_name (serialize_obj));
else
gimp_config_writer_print (writer, "NULL", 4);
gimp_config_writer_close (writer);
return TRUE;
}
static gboolean
gimp_context_deserialize_property (GimpConfig *object,
guint property_id,
GValue *value,
GParamSpec *pspec,
GScanner *scanner,
GTokenType *expected)
{
GimpContext *context = GIMP_CONTEXT (object);
GimpContainer *container;
GimpObject *current;
gchar **name_loc;
gboolean no_data = FALSE;
gchar *object_name;
switch (property_id)
{
case GIMP_CONTEXT_PROP_TOOL:
container = context->gimp->tool_info_list;
current = (GimpObject *) context->tool_info;
name_loc = &context->tool_name;
no_data = TRUE;
break;
case GIMP_CONTEXT_PROP_BRUSH:
container = context->gimp->brush_factory->container;
current = (GimpObject *) context->brush;
name_loc = &context->brush_name;
break;
case GIMP_CONTEXT_PROP_PATTERN:
container = context->gimp->pattern_factory->container;
current = (GimpObject *) context->pattern;
name_loc = &context->pattern_name;
break;
case GIMP_CONTEXT_PROP_GRADIENT:
container = context->gimp->gradient_factory->container;
current = (GimpObject *) context->gradient;
name_loc = &context->gradient_name;
break;
case GIMP_CONTEXT_PROP_PALETTE:
container = context->gimp->palette_factory->container;
current = (GimpObject *) context->palette;
name_loc = &context->palette_name;
break;
case GIMP_CONTEXT_PROP_FONT:
container = context->gimp->fonts;
current = (GimpObject *) context->font;
name_loc = &context->font_name;
break;
default:
return FALSE;
}
if (! no_data)
no_data = context->gimp->no_data;
if (gimp_scanner_parse_identifier (scanner, "NULL"))
{
g_value_set_object (value, NULL);
}
else if (gimp_scanner_parse_string (scanner, &object_name))
{
GimpObject *deserialize_obj;
if (! object_name)
object_name = g_strdup ("");
deserialize_obj = gimp_container_get_child_by_name (container,
object_name);
if (! deserialize_obj)
{
if (no_data)
{
g_free (*name_loc);
*name_loc = g_strdup (object_name);
}
else
{
deserialize_obj = current;
}
}
g_value_set_object (value, deserialize_obj);
g_free (object_name);
}
else
{
*expected = G_TOKEN_STRING;
}
return TRUE;
}
/*****************************************************************************/
/* public functions ********************************************************/
GimpContext *
gimp_context_new (Gimp *gimp,
const gchar *name,
GimpContext *template)
{
GimpContext *context;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (name != NULL, NULL);
g_return_val_if_fail (! template || GIMP_IS_CONTEXT (template), NULL);
context = g_object_new (GIMP_TYPE_CONTEXT,
"name", name,
"gimp", gimp,
NULL);
if (template)
{
context->defined_props = template->defined_props;
gimp_context_copy_properties (template, context,
GIMP_CONTEXT_ALL_PROPS_MASK);
}
return context;
}
const gchar *
gimp_context_get_name (const GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return gimp_object_get_name (GIMP_OBJECT (context));
}
void
gimp_context_set_name (GimpContext *context,
const gchar *name)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
if (! name)
name = _("Unnamed");
gimp_object_set_name (GIMP_OBJECT (context), name);
}
GimpContext *
gimp_context_get_parent (const GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->parent;
}
static void
gimp_context_parent_notify (GimpContext *parent,
GParamSpec *pspec,
GimpContext *context)
{
/* copy from parent if the changed property is undefined */
if (! ((1 << pspec->param_id) & context->defined_props))
gimp_context_copy_property (parent, context, pspec->param_id);
}
void
gimp_context_set_parent (GimpContext *context,
GimpContext *parent)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (parent == NULL || GIMP_IS_CONTEXT (parent));
g_return_if_fail (parent == NULL || parent->parent != context);
g_return_if_fail (context != parent);
if (context->parent == parent)
return;
if (context->parent)
{
g_signal_handlers_disconnect_by_func (context->parent,
gimp_context_parent_notify,
context);
}
context->parent = parent;
if (parent)
{
/* copy all undefined properties from the new parent */
gimp_context_copy_properties (parent, context,
~context->defined_props &
GIMP_CONTEXT_ALL_PROPS_MASK);
g_signal_connect_object (parent, "notify",
G_CALLBACK (gimp_context_parent_notify),
context,
0);
}
}
/* define / undefinine context properties */
void
gimp_context_define_property (GimpContext *context,
GimpContextPropType prop,
gboolean defined)
{
GimpContextPropMask mask;
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail ((prop >= GIMP_CONTEXT_FIRST_PROP) &&
(prop <= GIMP_CONTEXT_LAST_PROP));
mask = (1 << prop);
if (defined)
{
if (! (context->defined_props & mask))
{
context->defined_props |= mask;
}
}
else
{
if (context->defined_props & mask)
{
context->defined_props &= ~mask;
if (context->parent)
gimp_context_copy_property (context->parent, context, prop);
}
}
}
gboolean
gimp_context_property_defined (GimpContext *context,
GimpContextPropType prop)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), FALSE);
return (context->defined_props & (1 << prop)) ? TRUE : FALSE;
}
void
gimp_context_define_properties (GimpContext *context,
GimpContextPropMask prop_mask,
gboolean defined)
{
GimpContextPropType prop;
g_return_if_fail (GIMP_IS_CONTEXT (context));
for (prop = GIMP_CONTEXT_FIRST_PROP; prop <= GIMP_CONTEXT_LAST_PROP; prop++)
if ((1 << prop) & prop_mask)
gimp_context_define_property (context, prop, defined);
}
/* copying context properties */
void
gimp_context_copy_property (GimpContext *src,
GimpContext *dest,
GimpContextPropType prop)
{
gpointer object = NULL;
gpointer standard_object = NULL;
gchar *src_name = NULL;
gchar **dest_name_loc = NULL;
g_return_if_fail (GIMP_IS_CONTEXT (src));
g_return_if_fail (GIMP_IS_CONTEXT (dest));
g_return_if_fail ((prop >= GIMP_CONTEXT_FIRST_PROP) &&
(prop <= GIMP_CONTEXT_LAST_PROP));
switch (prop)
{
case GIMP_CONTEXT_PROP_IMAGE:
gimp_context_real_set_image (dest, src->image);
break;
case GIMP_CONTEXT_PROP_DISPLAY:
gimp_context_real_set_display (dest, src->display);
break;
case GIMP_CONTEXT_PROP_TOOL:
gimp_context_real_set_tool (dest, src->tool_info);
object = src->tool_info;
standard_object = standard_tool_info;
src_name = src->tool_name;
dest_name_loc = &dest->tool_name;
break;
case GIMP_CONTEXT_PROP_FOREGROUND:
gimp_context_real_set_foreground (dest, &src->foreground);
break;
case GIMP_CONTEXT_PROP_BACKGROUND:
gimp_context_real_set_background (dest, &src->background);
break;
case GIMP_CONTEXT_PROP_OPACITY:
gimp_context_real_set_opacity (dest, src->opacity);
break;
case GIMP_CONTEXT_PROP_PAINT_MODE:
gimp_context_real_set_paint_mode (dest, src->paint_mode);
break;
case GIMP_CONTEXT_PROP_BRUSH:
gimp_context_real_set_brush (dest, src->brush);
object = src->brush;
standard_object = standard_brush;
src_name = src->brush_name;
dest_name_loc = &dest->brush_name;
break;
case GIMP_CONTEXT_PROP_PATTERN:
gimp_context_real_set_pattern (dest, src->pattern);
object = src->pattern;
standard_object = standard_pattern;
src_name = src->pattern_name;
dest_name_loc = &dest->pattern_name;
break;
case GIMP_CONTEXT_PROP_GRADIENT:
gimp_context_real_set_gradient (dest, src->gradient);
object = src->gradient;
standard_object = standard_gradient;
src_name = src->gradient_name;
dest_name_loc = &dest->gradient_name;
break;
case GIMP_CONTEXT_PROP_PALETTE:
gimp_context_real_set_palette (dest, src->palette);
object = src->palette;
standard_object = standard_palette;
src_name = src->palette_name;
dest_name_loc = &dest->palette_name;
break;
case GIMP_CONTEXT_PROP_FONT:
gimp_context_real_set_font (dest, src->font);
object = src->font;
standard_object = standard_font;
src_name = src->font_name;
dest_name_loc = &dest->font_name;
break;
case GIMP_CONTEXT_PROP_BUFFER:
gimp_context_real_set_buffer (dest, src->buffer);
break;
case GIMP_CONTEXT_PROP_IMAGEFILE:
gimp_context_real_set_imagefile (dest, src->imagefile);
break;
case GIMP_CONTEXT_PROP_TEMPLATE:
gimp_context_real_set_template (dest, src->template);
break;
default:
break;
}
if (src_name && dest_name_loc)
{
if (! object || (standard_object && object == standard_object))
{
g_free (*dest_name_loc);
*dest_name_loc = g_strdup (src_name);
}
}
}
void
gimp_context_copy_properties (GimpContext *src,
GimpContext *dest,
GimpContextPropMask prop_mask)
{
GimpContextPropType prop;
g_return_if_fail (GIMP_IS_CONTEXT (src));
g_return_if_fail (GIMP_IS_CONTEXT (dest));
for (prop = GIMP_CONTEXT_FIRST_PROP; prop <= GIMP_CONTEXT_LAST_PROP; prop++)
if ((1 << prop) & prop_mask)
gimp_context_copy_property (src, dest, prop);
}
/* attribute access functions */
/*****************************************************************************/
/* manipulate by GType *****************************************************/
GimpContextPropType
gimp_context_type_to_property (GType type)
{
GimpContextPropType prop;
for (prop = GIMP_CONTEXT_FIRST_PROP; prop <= GIMP_CONTEXT_LAST_PROP; prop++)
{
if (g_type_is_a (type, gimp_context_prop_types[prop]))
return prop;
}
return -1;
}
const gchar *
gimp_context_type_to_prop_name (GType type)
{
GimpContextPropType prop;
for (prop = GIMP_CONTEXT_FIRST_PROP; prop <= GIMP_CONTEXT_LAST_PROP; prop++)
{
if (g_type_is_a (type, gimp_context_prop_types[prop]))
return gimp_context_prop_names[prop];
}
return NULL;
}
const gchar *
gimp_context_type_to_signal_name (GType type)
{
GimpContextPropType prop;
for (prop = GIMP_CONTEXT_FIRST_PROP; prop <= GIMP_CONTEXT_LAST_PROP; prop++)
{
if (g_type_is_a (type, gimp_context_prop_types[prop]))
return g_signal_name (gimp_context_signals[prop]);
}
return NULL;
}
GimpObject *
gimp_context_get_by_type (GimpContext *context,
GType type)
{
GimpContextPropType prop;
GimpObject *object = NULL;
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail ((prop = gimp_context_type_to_property (type)) != -1,
NULL);
g_object_get (context,
gimp_context_prop_names[prop], &object,
NULL);
/* g_object_get() refs the object, this function however is a getter,
* which usually doesn't ref it's return value
*/
if (object)
g_object_unref (object);
return object;
}
void
gimp_context_set_by_type (GimpContext *context,
GType type,
GimpObject *object)
{
GimpContextPropType prop;
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail ((prop = gimp_context_type_to_property (type)) != -1);
g_object_set (context,
gimp_context_prop_names[prop], object,
NULL);
}
void
gimp_context_changed_by_type (GimpContext *context,
GType type)
{
GimpContextPropType prop;
GimpObject *object;
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail ((prop = gimp_context_type_to_property (type)) != -1);
object = gimp_context_get_by_type (context, type);
g_signal_emit (context,
gimp_context_signals[prop], 0,
object);
}
/*****************************************************************************/
/* image *******************************************************************/
GimpImage *
gimp_context_get_image (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->image;
}
void
gimp_context_set_image (GimpContext *context,
GimpImage *image)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PROP_IMAGE);
gimp_context_real_set_image (context, image);
}
void
gimp_context_image_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[IMAGE_CHANGED], 0,
context->image);
}
/* handle disappearing images */
static void
gimp_context_image_removed (GimpContainer *container,
GimpImage *image,
GimpContext *context)
{
if (context->image == image)
gimp_context_real_set_image (context, NULL);
}
static void
gimp_context_real_set_image (GimpContext *context,
GimpImage *image)
{
if (context->image == image)
return;
context->image = image;
g_object_notify (G_OBJECT (context), "image");
gimp_context_image_changed (context);
}
/*****************************************************************************/
/* display *****************************************************************/
gpointer
gimp_context_get_display (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->display;
}
void
gimp_context_set_display (GimpContext *context,
gpointer display)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PROP_DISPLAY);
gimp_context_real_set_display (context, display);
}
void
gimp_context_display_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[DISPLAY_CHANGED], 0,
context->display);
}
/* handle disappearing displays */
static void
gimp_context_display_removed (GimpContainer *container,
gpointer display,
GimpContext *context)
{
if (context->display == display)
gimp_context_real_set_display (context, NULL);
}
static void
gimp_context_real_set_display (GimpContext *context,
gpointer display)
{
if (context->display == display)
return;
context->display = display;
if (context->display)
{
GimpImage *gimage;
g_object_get (display, "image", &gimage, NULL);
gimp_context_real_set_image (context, gimage);
g_object_unref (gimage);
}
g_object_notify (G_OBJECT (context), "display");
gimp_context_display_changed (context);
}
/*****************************************************************************/
/* tool ********************************************************************/
GimpToolInfo *
gimp_context_get_tool (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->tool_info;
}
void
gimp_context_set_tool (GimpContext *context,
GimpToolInfo *tool_info)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (! tool_info || GIMP_IS_TOOL_INFO (tool_info));
context_find_defined (context, GIMP_CONTEXT_PROP_TOOL);
gimp_context_real_set_tool (context, tool_info);
}
void
gimp_context_tool_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[TOOL_CHANGED], 0,
context->tool_info);
}
/* the active tool was modified */
static void
gimp_context_tool_dirty (GimpToolInfo *tool_info,
GimpContext *context)
{
g_free (context->tool_name);
context->tool_name = g_strdup (GIMP_OBJECT (tool_info)->name);
}
/* the global tool list is there again after refresh */
static void
gimp_context_tool_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpToolInfo *tool_info;
if (! context->tool_name)
context->tool_name = g_strdup ("gimp-rect-select-tool");
tool_info = gimp_context_find_object (context, container,
context->tool_name,
gimp_tool_info_get_standard (context->gimp));
gimp_context_real_set_tool (context, tool_info);
}
/* the active tool disappeared */
static void
gimp_context_tool_removed (GimpContainer *container,
GimpToolInfo *tool_info,
GimpContext *context)
{
if (tool_info == context->tool_info)
{
context->tool_info = NULL;
g_signal_handlers_disconnect_by_func (tool_info,
gimp_context_tool_dirty,
context);
g_object_unref (tool_info);
if (! gimp_container_frozen (container))
gimp_context_tool_list_thaw (container, context);
}
}
static void
gimp_context_real_set_tool (GimpContext *context,
GimpToolInfo *tool_info)
{
if (! standard_tool_info)
standard_tool_info = gimp_tool_info_get_standard (context->gimp);
if (context->tool_info == tool_info)
return;
if (context->tool_name && tool_info != standard_tool_info)
{
g_free (context->tool_name);
context->tool_name = NULL;
}
/* disconnect from the old tool's signals */
if (context->tool_info)
{
g_signal_handlers_disconnect_by_func (context->tool_info,
gimp_context_tool_dirty,
context);
g_object_unref (context->tool_info);
}
context->tool_info = tool_info;
if (tool_info)
{
g_object_ref (tool_info);
g_signal_connect_object (tool_info, "name_changed",
G_CALLBACK (gimp_context_tool_dirty),
context,
0);
if (tool_info != standard_tool_info)
context->tool_name = g_strdup (GIMP_OBJECT (tool_info)->name);
}
g_object_notify (G_OBJECT (context), "tool");
gimp_context_tool_changed (context);
}
/*****************************************************************************/
/* foreground color ********************************************************/
void
gimp_context_get_foreground (GimpContext *context,
GimpRGB *color)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (color != NULL);
*color = context->foreground;
}
void
gimp_context_set_foreground (GimpContext *context,
const GimpRGB *color)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (color != NULL);
context_find_defined (context, GIMP_CONTEXT_PROP_FOREGROUND);
gimp_context_real_set_foreground (context, color);
}
void
gimp_context_foreground_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[FOREGROUND_CHANGED], 0,
&context->foreground);
}
static void
gimp_context_real_set_foreground (GimpContext *context,
const GimpRGB *color)
{
if (gimp_rgba_distance (&context->foreground, color) < 0.0001)
return;
context->foreground = *color;
gimp_rgb_set_alpha (&context->foreground, GIMP_OPACITY_OPAQUE);
g_object_notify (G_OBJECT (context), "foreground");
gimp_context_foreground_changed (context);
}
/*****************************************************************************/
/* background color ********************************************************/
void
gimp_context_get_background (GimpContext *context,
GimpRGB *color)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (color != NULL);
*color = context->background;
}
void
gimp_context_set_background (GimpContext *context,
const GimpRGB *color)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (color != NULL);
context_find_defined (context, GIMP_CONTEXT_PROP_BACKGROUND);
gimp_context_real_set_background (context, color);
}
void
gimp_context_background_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[BACKGROUND_CHANGED], 0,
&context->background);
}
static void
gimp_context_real_set_background (GimpContext *context,
const GimpRGB *color)
{
if (gimp_rgba_distance (&context->background, color) < 0.0001)
return;
context->background = *color;
gimp_rgb_set_alpha (&context->background, GIMP_OPACITY_OPAQUE);
g_object_notify (G_OBJECT (context), "background");
gimp_context_background_changed (context);
}
/*****************************************************************************/
/* color utility functions *************************************************/
void
gimp_context_set_default_colors (GimpContext *context)
{
GimpContext *bg_context;
GimpRGB fg;
GimpRGB bg;
g_return_if_fail (GIMP_IS_CONTEXT (context));
bg_context = context;
context_find_defined (context, GIMP_CONTEXT_PROP_FOREGROUND);
context_find_defined (bg_context, GIMP_CONTEXT_PROP_BACKGROUND);
gimp_rgba_set (&fg, 0.0, 0.0, 0.0, GIMP_OPACITY_OPAQUE);
gimp_rgba_set (&bg, 1.0, 1.0, 1.0, GIMP_OPACITY_OPAQUE);
gimp_context_real_set_foreground (context, &fg);
gimp_context_real_set_background (bg_context, &bg);
}
void
gimp_context_swap_colors (GimpContext *context)
{
GimpContext *bg_context;
GimpRGB fg;
GimpRGB bg;
g_return_if_fail (GIMP_IS_CONTEXT (context));
bg_context = context;
context_find_defined (context, GIMP_CONTEXT_PROP_FOREGROUND);
context_find_defined (bg_context, GIMP_CONTEXT_PROP_BACKGROUND);
gimp_context_get_foreground (context, &fg);
gimp_context_get_background (bg_context, &bg);
gimp_context_real_set_foreground (context, &bg);
gimp_context_real_set_background (bg_context, &fg);
}
/*****************************************************************************/
/* opacity *****************************************************************/
gdouble
gimp_context_get_opacity (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), GIMP_OPACITY_OPAQUE);
return context->opacity;
}
void
gimp_context_set_opacity (GimpContext *context,
gdouble opacity)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PROP_OPACITY);
gimp_context_real_set_opacity (context, opacity);
}
void
gimp_context_opacity_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[OPACITY_CHANGED], 0,
context->opacity);
}
static void
gimp_context_real_set_opacity (GimpContext *context,
gdouble opacity)
{
if (context->opacity == opacity)
return;
context->opacity = opacity;
g_object_notify (G_OBJECT (context), "opacity");
gimp_context_opacity_changed (context);
}
/*****************************************************************************/
/* paint mode **************************************************************/
GimpLayerModeEffects
gimp_context_get_paint_mode (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), GIMP_NORMAL_MODE);
return context->paint_mode;
}
void
gimp_context_set_paint_mode (GimpContext *context,
GimpLayerModeEffects paint_mode)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PROP_PAINT_MODE);
gimp_context_real_set_paint_mode (context, paint_mode);
}
void
gimp_context_paint_mode_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[PAINT_MODE_CHANGED], 0,
context->paint_mode);
}
static void
gimp_context_real_set_paint_mode (GimpContext *context,
GimpLayerModeEffects paint_mode)
{
if (context->paint_mode == paint_mode)
return;
context->paint_mode = paint_mode;
g_object_notify (G_OBJECT (context), "paint-mode");
gimp_context_paint_mode_changed (context);
}
/*****************************************************************************/
/* brush *******************************************************************/
GimpBrush *
gimp_context_get_brush (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->brush;
}
void
gimp_context_set_brush (GimpContext *context,
GimpBrush *brush)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (! brush || GIMP_IS_BRUSH (brush));
context_find_defined (context, GIMP_CONTEXT_PROP_BRUSH);
gimp_context_real_set_brush (context, brush);
}
void
gimp_context_brush_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[BRUSH_CHANGED], 0,
context->brush);
}
/* the active brush was modified */
static void
gimp_context_brush_dirty (GimpBrush *brush,
GimpContext *context)
{
g_free (context->brush_name);
context->brush_name = g_strdup (GIMP_OBJECT (brush)->name);
}
/* the global brush list is there again after refresh */
static void
gimp_context_brush_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpBrush *brush;
if (! context->brush_name)
context->brush_name = g_strdup (context->gimp->config->default_brush);
brush = gimp_context_find_object (context, container,
context->brush_name,
gimp_brush_get_standard ());
gimp_context_real_set_brush (context, brush);
}
/* the active brush disappeared */
static void
gimp_context_brush_removed (GimpContainer *container,
GimpBrush *brush,
GimpContext *context)
{
if (brush == context->brush)
{
context->brush = NULL;
g_signal_handlers_disconnect_by_func (brush,
gimp_context_brush_dirty,
context);
g_object_unref (brush);
if (! gimp_container_frozen (container))
gimp_context_brush_list_thaw (container, context);
}
}
static void
gimp_context_real_set_brush (GimpContext *context,
GimpBrush *brush)
{
if (! standard_brush)
standard_brush = GIMP_BRUSH (gimp_brush_get_standard ());
if (context->brush == brush)
return;
if (context->brush_name && brush != standard_brush)
{
g_free (context->brush_name);
context->brush_name = NULL;
}
/* disconnect from the old brush's signals */
if (context->brush)
{
GimpBaseConfig *base_config;
base_config = GIMP_BASE_CONFIG (context->gimp->config);
/* make sure the active brush is swapped before we get a new one... */
if (base_config->stingy_memory_use &&
context->brush->mask &&
G_OBJECT (context->brush)->ref_count == 2)
{
temp_buf_swap (context->brush->mask);
}
g_signal_handlers_disconnect_by_func (context->brush,
gimp_context_brush_dirty,
context);
g_object_unref (context->brush);
}
context->brush = brush;
if (brush)
{
GimpBaseConfig *base_config;
base_config = GIMP_BASE_CONFIG (context->gimp->config);
g_object_ref (brush);
g_signal_connect_object (brush, "name_changed",
G_CALLBACK (gimp_context_brush_dirty),
context,
0);
/* Make sure the active brush is unswapped... */
if (base_config->stingy_memory_use &&
brush->mask &&
G_OBJECT (brush)->ref_count < 2)
{
temp_buf_unswap (brush->mask);
}
if (brush != standard_brush)
context->brush_name = g_strdup (GIMP_OBJECT (brush)->name);
}
g_object_notify (G_OBJECT (context), "brush");
gimp_context_brush_changed (context);
}
/*****************************************************************************/
/* pattern *****************************************************************/
GimpPattern *
gimp_context_get_pattern (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->pattern;
}
void
gimp_context_set_pattern (GimpContext *context,
GimpPattern *pattern)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PROP_PATTERN);
gimp_context_real_set_pattern (context, pattern);
}
void
gimp_context_pattern_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[PATTERN_CHANGED], 0,
context->pattern);
}
/* the active pattern was modified */
static void
gimp_context_pattern_dirty (GimpPattern *pattern,
GimpContext *context)
{
g_free (context->pattern_name);
context->pattern_name = g_strdup (GIMP_OBJECT (pattern)->name);
}
/* the global pattern list is there again after refresh */
static void
gimp_context_pattern_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpPattern *pattern;
if (! context->pattern_name)
context->pattern_name = g_strdup (context->gimp->config->default_pattern);
pattern = gimp_context_find_object (context, container,
context->pattern_name,
gimp_pattern_get_standard ());
gimp_context_real_set_pattern (context, pattern);
}
/* the active pattern disappeared */
static void
gimp_context_pattern_removed (GimpContainer *container,
GimpPattern *pattern,
GimpContext *context)
{
if (pattern == context->pattern)
{
context->pattern = NULL;
g_signal_handlers_disconnect_by_func (pattern,
gimp_context_pattern_dirty,
context);
g_object_unref (pattern);
if (! gimp_container_frozen (container))
gimp_context_pattern_list_thaw (container, context);
}
}
static void
gimp_context_real_set_pattern (GimpContext *context,
GimpPattern *pattern)
{
GimpBaseConfig *base_config;
if (! standard_pattern)
standard_pattern = GIMP_PATTERN (gimp_pattern_get_standard ());
if (context->pattern == pattern)
return;
if (context->pattern_name && pattern != standard_pattern)
{
g_free (context->pattern_name);
context->pattern_name = NULL;
}
base_config = GIMP_BASE_CONFIG (context->gimp->config);
/* make sure the active pattern is swapped before we get a new one... */
if (base_config->stingy_memory_use &&
context->pattern && context->pattern->mask &&
G_OBJECT (context->pattern)->ref_count == 2)
{
temp_buf_swap (pattern->mask);
}
/* disconnect from the old pattern's signals */
if (context->pattern)
{
g_signal_handlers_disconnect_by_func (context->pattern,
gimp_context_pattern_dirty,
context);
g_object_unref (context->pattern);
}
context->pattern = pattern;
if (pattern)
{
GimpBaseConfig *base_config;
base_config = GIMP_BASE_CONFIG (context->gimp->config);
g_object_ref (pattern);
g_signal_connect_object (pattern, "name_changed",
G_CALLBACK (gimp_context_pattern_dirty),
context,
0);
/* Make sure the active pattern is unswapped... */
if (base_config->stingy_memory_use &&
pattern->mask &&
G_OBJECT (pattern)->ref_count < 2)
{
temp_buf_unswap (pattern->mask);
}
if (pattern != standard_pattern)
context->pattern_name = g_strdup (GIMP_OBJECT (pattern)->name);
}
g_object_notify (G_OBJECT (context), "pattern");
gimp_context_pattern_changed (context);
}
/*****************************************************************************/
/* gradient ****************************************************************/
GimpGradient *
gimp_context_get_gradient (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->gradient;
}
void
gimp_context_set_gradient (GimpContext *context,
GimpGradient *gradient)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PROP_GRADIENT);
gimp_context_real_set_gradient (context, gradient);
}
void
gimp_context_gradient_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[GRADIENT_CHANGED], 0,
context->gradient);
}
/* the active gradient was modified */
static void
gimp_context_gradient_dirty (GimpGradient *gradient,
GimpContext *context)
{
g_free (context->gradient_name);
context->gradient_name = g_strdup (GIMP_OBJECT (gradient)->name);
}
/* the global gradient list is there again after refresh */
static void
gimp_context_gradient_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpGradient *gradient;
if (! context->gradient_name)
context->gradient_name = g_strdup (context->gimp->config->default_gradient);
gradient = gimp_context_find_object (context, container,
context->gradient_name,
gimp_gradient_get_standard ());
gimp_context_real_set_gradient (context, gradient);
}
/* the active gradient disappeared */
static void
gimp_context_gradient_removed (GimpContainer *container,
GimpGradient *gradient,
GimpContext *context)
{
if (gradient == context->gradient)
{
context->gradient = NULL;
g_signal_handlers_disconnect_by_func (gradient,
gimp_context_gradient_dirty,
context);
g_object_unref (gradient);
if (! gimp_container_frozen (container))
gimp_context_gradient_list_thaw (container, context);
}
}
static void
gimp_context_real_set_gradient (GimpContext *context,
GimpGradient *gradient)
{
if (! standard_gradient)
standard_gradient = GIMP_GRADIENT (gimp_gradient_get_standard ());
if (context->gradient == gradient)
return;
if (context->gradient_name && gradient != standard_gradient)
{
g_free (context->gradient_name);
context->gradient_name = NULL;
}
/* disconnect from the old gradient's signals */
if (context->gradient)
{
g_signal_handlers_disconnect_by_func (context->gradient,
gimp_context_gradient_dirty,
context);
g_object_unref (context->gradient);
}
context->gradient = gradient;
if (gradient)
{
g_object_ref (gradient);
g_signal_connect_object (gradient, "name_changed",
G_CALLBACK (gimp_context_gradient_dirty),
context,
0);
if (gradient != standard_gradient)
context->gradient_name = g_strdup (GIMP_OBJECT (gradient)->name);
}
g_object_notify (G_OBJECT (context), "gradient");
gimp_context_gradient_changed (context);
}
/*****************************************************************************/
/* palette *****************************************************************/
GimpPalette *
gimp_context_get_palette (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->palette;
}
void
gimp_context_set_palette (GimpContext *context,
GimpPalette *palette)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PROP_PALETTE);
gimp_context_real_set_palette (context, palette);
}
void
gimp_context_palette_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[PALETTE_CHANGED], 0,
context->palette);
}
/* the active palette was modified */
static void
gimp_context_palette_dirty (GimpPalette *palette,
GimpContext *context)
{
g_free (context->palette_name);
context->palette_name = g_strdup (GIMP_OBJECT (palette)->name);
}
/* the global palette list is there again after refresh */
static void
gimp_context_palette_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpPalette *palette;
if (! context->palette_name)
context->palette_name = g_strdup (context->gimp->config->default_palette);
palette = gimp_context_find_object (context, container,
context->palette_name,
gimp_palette_get_standard ());
gimp_context_real_set_palette (context, palette);
}
/* the active palette disappeared */
static void
gimp_context_palette_removed (GimpContainer *container,
GimpPalette *palette,
GimpContext *context)
{
if (palette == context->palette)
{
context->palette = NULL;
g_signal_handlers_disconnect_by_func (palette,
gimp_context_palette_dirty,
context);
g_object_unref (palette);
if (! gimp_container_frozen (container))
gimp_context_palette_list_thaw (container, context);
}
}
static void
gimp_context_real_set_palette (GimpContext *context,
GimpPalette *palette)
{
if (! standard_palette)
standard_palette = GIMP_PALETTE (gimp_palette_get_standard ());
if (context->palette == palette)
return;
if (context->palette_name && palette != standard_palette)
{
g_free (context->palette_name);
context->palette_name = NULL;
}
/* disconnect from the old palette's signals */
if (context->palette)
{
g_signal_handlers_disconnect_by_func (context->palette,
gimp_context_palette_dirty,
context);
g_object_unref (context->palette);
}
context->palette = palette;
if (palette)
{
g_object_ref (palette);
g_signal_connect_object (palette, "name_changed",
G_CALLBACK (gimp_context_palette_dirty),
context,
0);
if (palette != standard_palette)
context->palette_name = g_strdup (GIMP_OBJECT (palette)->name);
}
g_object_notify (G_OBJECT (context), "palette");
gimp_context_palette_changed (context);
}
/*****************************************************************************/
/* font *****************************************************************/
GimpFont *
gimp_context_get_font (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->font;
}
void
gimp_context_set_font (GimpContext *context,
GimpFont *font)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PROP_FONT);
gimp_context_real_set_font (context, font);
}
const gchar *
gimp_context_get_font_name (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return (context->font ?
gimp_object_get_name (GIMP_OBJECT (context->font)) : NULL);
}
void
gimp_context_set_font_name (GimpContext *context,
const gchar *name)
{
GimpObject *font;
g_return_if_fail (GIMP_IS_CONTEXT (context));
font = gimp_container_get_child_by_name (context->gimp->fonts, name);
gimp_context_set_font (context, GIMP_FONT (font));
}
void
gimp_context_font_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[FONT_CHANGED], 0,
context->font);
}
/* the active font was modified */
static void
gimp_context_font_dirty (GimpFont *font,
GimpContext *context)
{
g_free (context->font_name);
context->font_name = g_strdup (GIMP_OBJECT (font)->name);
}
/* the global font list is there again after refresh */
static void
gimp_context_font_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpFont *font;
if (! context->font_name)
context->font_name = g_strdup (context->gimp->config->default_font);
font = gimp_context_find_object (context, container,
context->font_name,
gimp_font_get_standard ());
gimp_context_real_set_font (context, font);
}
/* the active font disappeared */
static void
gimp_context_font_removed (GimpContainer *container,
GimpFont *font,
GimpContext *context)
{
if (font == context->font)
{
context->font = NULL;
g_signal_handlers_disconnect_by_func (font,
gimp_context_font_dirty,
context);
g_object_unref (font);
if (! gimp_container_frozen (container))
gimp_context_font_list_thaw (container, context);
}
}
static void
gimp_context_real_set_font (GimpContext *context,
GimpFont *font)
{
if (! standard_font)
standard_font = GIMP_FONT (gimp_font_get_standard ());
if (context->font == font)
return;
if (context->font_name && font != standard_font)
{
g_free (context->font_name);
context->font_name = NULL;
}
/* disconnect from the old font's signals */
if (context->font)
{
g_signal_handlers_disconnect_by_func (context->font,
gimp_context_font_dirty,
context);
g_object_unref (context->font);
}
context->font = font;
if (font)
{
g_object_ref (font);
g_signal_connect_object (font, "name_changed",
G_CALLBACK (gimp_context_font_dirty),
context,
0);
if (font != standard_font)
context->font_name = g_strdup (GIMP_OBJECT (font)->name);
}
g_object_notify (G_OBJECT (context), "font");
gimp_context_font_changed (context);
}
/*****************************************************************************/
/* buffer ******************************************************************/
/*
static GimpBuffer *standard_buffer = NULL;
*/
GimpBuffer *
gimp_context_get_buffer (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->buffer;
}
void
gimp_context_set_buffer (GimpContext *context,
GimpBuffer *buffer)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PROP_BUFFER);
gimp_context_real_set_buffer (context, buffer);
}
void
gimp_context_buffer_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[BUFFER_CHANGED], 0,
context->buffer);
}
/* the active buffer was modified */
static void
gimp_context_buffer_dirty (GimpBuffer *buffer,
GimpContext *context)
{
g_free (context->buffer_name);
context->buffer_name = g_strdup (GIMP_OBJECT (buffer)->name);
}
/* the global buffer list is there again after refresh */
static void
gimp_context_buffer_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpBuffer *buffer;
/*
if (! context->buffer_name)
context->buffer_name = g_strdup (context->gimp->config->default_buffer);
*/
buffer = gimp_context_find_object (context, container,
context->buffer_name,
NULL /* gimp_buffer_get_standard () */);
if (buffer)
{
gimp_context_real_set_buffer (context, buffer);
}
else
{
g_object_notify (G_OBJECT (context), "buffer");
gimp_context_buffer_changed (context);
}
}
/* the active buffer disappeared */
static void
gimp_context_buffer_removed (GimpContainer *container,
GimpBuffer *buffer,
GimpContext *context)
{
if (buffer == context->buffer)
{
context->buffer = NULL;
g_signal_handlers_disconnect_by_func (buffer,
gimp_context_buffer_dirty,
context);
g_object_unref (buffer);
if (! gimp_container_frozen (container))
gimp_context_buffer_list_thaw (container, context);
}
}
static void
gimp_context_real_set_buffer (GimpContext *context,
GimpBuffer *buffer)
{
/*
if (! standard_buffer)
standard_buffer = GIMP_BUFFER (gimp_buffer_get_standard ());
*/
if (context->buffer == buffer)
return;
if (context->buffer_name /* && buffer != standard_buffer */)
{
g_free (context->buffer_name);
context->buffer_name = NULL;
}
/* disconnect from the old buffer's signals */
if (context->buffer)
{
g_signal_handlers_disconnect_by_func (context->buffer,
gimp_context_buffer_dirty,
context);
g_object_unref (context->buffer);
}
context->buffer = buffer;
if (buffer)
{
g_object_ref (buffer);
g_signal_connect_object (buffer, "name_changed",
G_CALLBACK (gimp_context_buffer_dirty),
context,
0);
/*
if (buffer != standard_buffer)
*/
context->buffer_name = g_strdup (GIMP_OBJECT (buffer)->name);
}
g_object_notify (G_OBJECT (context), "buffer");
gimp_context_buffer_changed (context);
}
/*****************************************************************************/
/* imagefile ***************************************************************/
/*
static GimpImagefile *standard_imagefile = NULL;
*/
GimpImagefile *
gimp_context_get_imagefile (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->imagefile;
}
void
gimp_context_set_imagefile (GimpContext *context,
GimpImagefile *imagefile)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PROP_IMAGEFILE);
gimp_context_real_set_imagefile (context, imagefile);
}
void
gimp_context_imagefile_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[IMAGEFILE_CHANGED], 0,
context->imagefile);
}
/* the active imagefile was modified */
static void
gimp_context_imagefile_dirty (GimpImagefile *imagefile,
GimpContext *context)
{
g_free (context->imagefile_name);
context->imagefile_name = g_strdup (GIMP_OBJECT (imagefile)->name);
}
/* the global imagefile list is there again after refresh */
static void
gimp_context_imagefile_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpImagefile *imagefile;
/*
if (! context->imagefile_name)
context->imagefile_name = g_strdup (context->gimp->config->default_imagefile);
*/
imagefile = gimp_context_find_object (context, container,
context->imagefile_name,
NULL /* gimp_imagefile_get_standard () */);
if (imagefile)
{
gimp_context_real_set_imagefile (context, imagefile);
}
else
{
g_object_notify (G_OBJECT (context), "imagefile");
gimp_context_imagefile_changed (context);
}
}
/* the active imagefile disappeared */
static void
gimp_context_imagefile_removed (GimpContainer *container,
GimpImagefile *imagefile,
GimpContext *context)
{
if (imagefile == context->imagefile)
{
context->imagefile = NULL;
g_signal_handlers_disconnect_by_func (imagefile,
gimp_context_imagefile_dirty,
context);
g_object_unref (imagefile);
if (! gimp_container_frozen (container))
gimp_context_imagefile_list_thaw (container, context);
}
}
static void
gimp_context_real_set_imagefile (GimpContext *context,
GimpImagefile *imagefile)
{
/*
if (! standard_imagefile)
standard_imagefile = GIMP_IMAGEFILE (gimp_imagefile_get_standard ());
*/
if (context->imagefile == imagefile)
return;
if (context->imagefile_name /* && imagefile != standard_imagefile */)
{
g_free (context->imagefile_name);
context->imagefile_name = NULL;
}
/* disconnect from the old imagefile's signals */
if (context->imagefile)
{
g_signal_handlers_disconnect_by_func (context->imagefile,
gimp_context_imagefile_dirty,
context);
g_object_unref (context->imagefile);
}
context->imagefile = imagefile;
if (imagefile)
{
g_object_ref (imagefile);
g_signal_connect_object (imagefile, "name_changed",
G_CALLBACK (gimp_context_imagefile_dirty),
context,
0);
/*
if (imagefile != standard_imagefile)
*/
context->imagefile_name = g_strdup (GIMP_OBJECT (imagefile)->name);
}
g_object_notify (G_OBJECT (context), "imagefile");
gimp_context_imagefile_changed (context);
}
/*****************************************************************************/
/* template ***************************************************************/
/*
static GimpTemplate *standard_template = NULL;
*/
GimpTemplate *
gimp_context_get_template (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->template;
}
void
gimp_context_set_template (GimpContext *context,
GimpTemplate *template)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PROP_TEMPLATE);
gimp_context_real_set_template (context, template);
}
void
gimp_context_template_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (context,
gimp_context_signals[TEMPLATE_CHANGED], 0,
context->template);
}
/* the active template was modified */
static void
gimp_context_template_dirty (GimpTemplate *template,
GimpContext *context)
{
g_free (context->template_name);
context->template_name = g_strdup (GIMP_OBJECT (template)->name);
}
/* the global template list is there again after refresh */
static void
gimp_context_template_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpTemplate *template;
/*
if (! context->template_name)
context->template_name = g_strdup (context->gimp->config->default_template);
*/
template = gimp_context_find_object (context, container,
context->template_name,
NULL /* gimp_template_get_standard () */);
if (template)
{
gimp_context_real_set_template (context, template);
}
else
{
g_object_notify (G_OBJECT (context), "template");
gimp_context_template_changed (context);
}
}
/* the active template disappeared */
static void
gimp_context_template_removed (GimpContainer *container,
GimpTemplate *template,
GimpContext *context)
{
if (template == context->template)
{
context->template = NULL;
g_signal_handlers_disconnect_by_func (template,
gimp_context_template_dirty,
context);
g_object_unref (template);
if (! gimp_container_frozen (container))
gimp_context_template_list_thaw (container, context);
}
}
static void
gimp_context_real_set_template (GimpContext *context,
GimpTemplate *template)
{
/*
if (! standard_template)
standard_template = GIMP_TEMPLATE (gimp_template_get_standard ());
*/
if (context->template == template)
return;
if (context->template_name /* && template != standard_template */)
{
g_free (context->template_name);
context->template_name = NULL;
}
/* disconnect from the old template's signals */
if (context->template)
{
g_signal_handlers_disconnect_by_func (context->template,
gimp_context_template_dirty,
context);
g_object_unref (context->template);
}
context->template = template;
if (template)
{
g_object_ref (template);
g_signal_connect_object (template, "name_changed",
G_CALLBACK (gimp_context_template_dirty),
context,
0);
/*
if (template != standard_template)
*/
context->template_name = g_strdup (GIMP_OBJECT (template)->name);
}
g_object_notify (G_OBJECT (context), "template");
gimp_context_template_changed (context);
}
/*****************************************************************************/
/* utility functions *******************************************************/
static gpointer
gimp_context_find_object (GimpContext *context,
GimpContainer *container,
const gchar *object_name,
gpointer standard_object)
{
GimpObject *object = NULL;
if (object_name)
object = gimp_container_get_child_by_name (container, object_name);
if (! object && gimp_container_num_children (container) > 0)
object = gimp_container_get_child_by_index (container, 0);
if (! object)
object = standard_object;
return object;
}
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