gimp/libgimpwidgets/gimppropwidgets.c

3227 lines
94 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
*
* gimppropwidgets.c
* Copyright (C) 2002-2004 Michael Natterer <mitch@gimp.org>
* Sven Neumann <sven@gimp.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "config/gimpconfig-params.h"
#include "config/gimpconfig-path.h"
#include "core/gimpviewable.h"
#include "gimpcolorpanel.h"
#include "gimpdnd.h"
#include "gimpenumcombobox.h"
#include "gimpenumstore.h"
#include "gimpenumwidgets.h"
#include "gimpview.h"
#include "gimppropwidgets.h"
#include "gimpwidgets-constructors.h"
#include "gimp-intl.h"
/* utility function prototypes */
static void set_param_spec (GObject *object,
GtkWidget *widget,
GParamSpec *param_spec);
static void set_radio_spec (GObject *object,
GParamSpec *param_spec);
static GParamSpec * get_param_spec (GObject *object);
static GParamSpec * find_param_spec (GObject *object,
const gchar *property_name,
const gchar *strloc);
static GParamSpec * check_param_spec (GObject *object,
const gchar *property_name,
GType type,
const gchar *strloc);
static gboolean get_numeric_values (GObject *object,
GParamSpec *param_spec,
gdouble *value,
gdouble *lower,
gdouble *upper,
const gchar *strloc);
static void connect_notify (GObject *config,
const gchar *property_name,
GCallback callback,
gpointer callback_data);
/******************/
/* check button */
/******************/
static void gimp_prop_check_button_callback (GtkWidget *widget,
GObject *config);
static void gimp_prop_check_button_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *button);
GtkWidget *
gimp_prop_check_button_new (GObject *config,
const gchar *property_name,
const gchar *label)
{
GParamSpec *param_spec;
GtkWidget *button;
gboolean value;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_BOOLEAN, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
button = gtk_check_button_new_with_mnemonic (label);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), value);
set_param_spec (G_OBJECT (button), button, param_spec);
g_signal_connect (button, "toggled",
G_CALLBACK (gimp_prop_check_button_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_check_button_notify),
button);
return button;
}
static void
gimp_prop_check_button_callback (GtkWidget *widget,
GObject *config)
{
GParamSpec *param_spec;
param_spec = get_param_spec (G_OBJECT (widget));
if (! param_spec)
return;
g_object_set (config,
param_spec->name, GTK_TOGGLE_BUTTON (widget)->active,
NULL);
gimp_toggle_button_sensitive_update (GTK_TOGGLE_BUTTON (widget));
}
static void
gimp_prop_check_button_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *button)
{
gboolean value;
g_object_get (config,
param_spec->name, &value,
NULL);
if (GTK_TOGGLE_BUTTON (button)->active != value)
{
g_signal_handlers_block_by_func (button,
gimp_prop_check_button_callback,
config);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), value);
gimp_toggle_button_sensitive_update (GTK_TOGGLE_BUTTON (button));
g_signal_handlers_unblock_by_func (button,
gimp_prop_check_button_callback,
config);
}
}
static void gimp_prop_enum_check_button_callback (GtkWidget *widget,
GObject *config);
static void gimp_prop_enum_check_button_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *button);
GtkWidget *
gimp_prop_enum_check_button_new (GObject *config,
const gchar *property_name,
const gchar *label,
gint false_value,
gint true_value)
{
GParamSpec *param_spec;
GtkWidget *button;
gint value;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_ENUM, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
button = gtk_check_button_new_with_mnemonic (label);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), value == true_value);
if (value != false_value && value != true_value)
gtk_toggle_button_set_inconsistent (GTK_TOGGLE_BUTTON (button), TRUE);
set_param_spec (G_OBJECT (button), button, param_spec);
g_object_set_data (G_OBJECT (button), "false-value",
GINT_TO_POINTER (false_value));
g_object_set_data (G_OBJECT (button), "true-value",
GINT_TO_POINTER (true_value));
g_signal_connect (button, "toggled",
G_CALLBACK (gimp_prop_enum_check_button_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_enum_check_button_notify),
button);
return button;
}
static void
gimp_prop_enum_check_button_callback (GtkWidget *widget,
GObject *config)
{
GParamSpec *param_spec;
gint false_value;
gint true_value;
param_spec = get_param_spec (G_OBJECT (widget));
if (! param_spec)
return;
false_value = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"false-value"));
true_value = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"true-value"));
g_object_set (config,
param_spec->name,
GTK_TOGGLE_BUTTON (widget)->active ? true_value : false_value,
NULL);
gtk_toggle_button_set_inconsistent (GTK_TOGGLE_BUTTON (widget), FALSE);
gimp_toggle_button_sensitive_update (GTK_TOGGLE_BUTTON (widget));
}
static void
gimp_prop_enum_check_button_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *button)
{
gint value;
gint false_value;
gint true_value;
gboolean active = FALSE;
gboolean inconsistent = FALSE;
g_object_get (config,
param_spec->name, &value,
NULL);
false_value = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (button),
"false-value"));
true_value = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (button),
"true-value"));
if (value == true_value)
active = TRUE;
else if (value != false_value)
inconsistent = TRUE;
gtk_toggle_button_set_inconsistent (GTK_TOGGLE_BUTTON (button),
inconsistent);
if (GTK_TOGGLE_BUTTON (button)->active != active)
{
g_signal_handlers_block_by_func (button,
gimp_prop_enum_check_button_callback,
config);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), active);
gimp_toggle_button_sensitive_update (GTK_TOGGLE_BUTTON (button));
g_signal_handlers_unblock_by_func (button,
gimp_prop_enum_check_button_callback,
config);
}
}
/*************************/
/* int/enum combo box */
/*************************/
static void gimp_prop_int_combo_box_callback (GtkWidget *widget,
GObject *config);
static void gimp_prop_int_combo_box_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *widget);
GtkWidget *
gimp_prop_int_combo_box_new (GObject *config,
const gchar *property_name,
GimpIntStore *store)
{
GParamSpec *param_spec;
GtkWidget *combo_box;
GtkWidget *widget;
gint value;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_INT, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
combo_box = g_object_new (GIMP_TYPE_INT_COMBO_BOX,
"model", store,
NULL);
gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (combo_box), value);
g_signal_connect (combo_box, "changed",
G_CALLBACK (gimp_prop_int_combo_box_callback),
config);
/* can't set a tooltip on a combo_box */
if (g_param_spec_get_blurb (param_spec))
{
widget = gtk_event_box_new ();
gtk_container_add (GTK_CONTAINER (widget), combo_box);
gtk_widget_show (combo_box);
}
else
{
widget = combo_box;
}
set_param_spec (G_OBJECT (combo_box), widget, param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_int_combo_box_notify),
combo_box);
return widget;
}
GtkWidget *
gimp_prop_enum_combo_box_new (GObject *config,
const gchar *property_name,
gint minimum,
gint maximum)
{
GParamSpec *param_spec;
GtkWidget *combo_box;
GtkWidget *widget;
gint value;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_ENUM, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
if (minimum != maximum)
{
GtkListStore *store;
store = gimp_enum_store_new_with_range (param_spec->value_type,
minimum, maximum);
combo_box = g_object_new (GIMP_TYPE_ENUM_COMBO_BOX,
"model", store,
NULL);
g_object_unref (store);
}
else
{
combo_box = gimp_enum_combo_box_new (param_spec->value_type);
}
gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (combo_box), value);
g_signal_connect (combo_box, "changed",
G_CALLBACK (gimp_prop_int_combo_box_callback),
config);
/* can't set a tooltip on a combo_box */
if (g_param_spec_get_blurb (param_spec))
{
widget = gtk_event_box_new ();
gtk_container_add (GTK_CONTAINER (widget), combo_box);
gtk_widget_show (combo_box);
}
else
{
widget = combo_box;
}
set_param_spec (G_OBJECT (combo_box), widget, param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_int_combo_box_notify),
combo_box);
return widget;
}
static void
gimp_prop_int_combo_box_callback (GtkWidget *widget,
GObject *config)
{
GParamSpec *param_spec;
gint value;
param_spec = get_param_spec (G_OBJECT (widget));
if (! param_spec)
return;
if (gimp_int_combo_box_get_active (GIMP_INT_COMBO_BOX (widget), &value))
{
g_object_set (config,
param_spec->name, value,
NULL);
}
}
static void
gimp_prop_int_combo_box_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *combo_box)
{
gint value;
g_object_get (config,
param_spec->name, &value,
NULL);
g_signal_handlers_block_by_func (combo_box,
gimp_prop_int_combo_box_callback,
config);
gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (combo_box), value);
g_signal_handlers_unblock_by_func (combo_box,
gimp_prop_int_combo_box_callback,
config);
}
/************************/
/* boolean combo box */
/************************/
static void gimp_prop_boolean_combo_box_callback (GtkWidget *widget,
GObject *config);
static void gimp_prop_boolean_combo_box_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *widget);
GtkWidget *
gimp_prop_boolean_combo_box_new (GObject *config,
const gchar *property_name,
const gchar *true_text,
const gchar *false_text)
{
GParamSpec *param_spec;
GtkWidget *combo_box;
GtkWidget *widget;
gboolean value;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_BOOLEAN, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
combo_box = gtk_combo_box_new_text ();
gtk_combo_box_append_text (GTK_COMBO_BOX (combo_box), true_text);
gtk_combo_box_append_text (GTK_COMBO_BOX (combo_box), false_text);
gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), value ? 0 : 1);
g_signal_connect (combo_box, "changed",
G_CALLBACK (gimp_prop_boolean_combo_box_callback),
config);
/* can't set a tooltip on a combo_box */
if (g_param_spec_get_blurb (param_spec))
{
widget = gtk_event_box_new ();
gtk_container_add (GTK_CONTAINER (widget), combo_box);
gtk_widget_show (combo_box);
}
else
{
widget = combo_box;
}
set_param_spec (G_OBJECT (combo_box), widget, param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_boolean_combo_box_notify),
combo_box);
return widget;
}
static void
gimp_prop_boolean_combo_box_callback (GtkWidget *widget,
GObject *config)
{
GParamSpec *param_spec;
gint value;
param_spec = get_param_spec (G_OBJECT (widget));
if (! param_spec)
return;
value = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
g_object_set (config,
param_spec->name, value ? FALSE : TRUE,
NULL);
}
static void
gimp_prop_boolean_combo_box_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *combo_box)
{
gint value;
g_object_get (config,
param_spec->name, &value,
NULL);
g_signal_handlers_block_by_func (combo_box,
gimp_prop_boolean_combo_box_callback,
config);
gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), value ? 0 : 1);
g_signal_handlers_unblock_by_func (combo_box,
gimp_prop_boolean_combo_box_callback,
config);
}
/****************/
/* paint menu */
/****************/
static void gimp_prop_paint_menu_callback (GtkWidget *widget,
GObject *config);
static void gimp_prop_paint_menu_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *menu);
GtkWidget *
gimp_prop_paint_mode_menu_new (GObject *config,
const gchar *property_name,
gboolean with_behind_mode)
{
GParamSpec *param_spec;
GtkWidget *menu;
gint value;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_ENUM, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
menu = gimp_paint_mode_menu_new (G_CALLBACK (gimp_prop_paint_menu_callback),
config,
with_behind_mode,
value);
set_param_spec (G_OBJECT (menu), menu, param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_paint_menu_notify),
menu);
return menu;
}
static void
gimp_prop_paint_menu_callback (GtkWidget *widget,
GObject *config)
{
if (GTK_IS_MENU (widget->parent))
{
GtkWidget *menu;
menu = gtk_menu_get_attach_widget (GTK_MENU (widget->parent));
if (menu)
{
GParamSpec *param_spec;
gint value;
param_spec = get_param_spec (G_OBJECT (menu));
if (! param_spec)
return;
value = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"gimp-item-data"));
g_object_set (config,
param_spec->name, value,
NULL);
}
}
}
static void
gimp_prop_paint_menu_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *menu)
{
gint value;
g_object_get (config,
param_spec->name, &value,
NULL);
gimp_paint_mode_menu_set_history (GTK_OPTION_MENU (menu), value);
}
/*****************/
/* radio boxes */
/*****************/
static void gimp_prop_radio_button_callback (GtkWidget *widget,
GObject *config);
static void gimp_prop_radio_button_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *button);
GtkWidget *
gimp_prop_enum_radio_frame_new (GObject *config,
const gchar *property_name,
const gchar *label,
gint minimum,
gint maximum)
{
GParamSpec *param_spec;
GtkWidget *frame;
GtkWidget *button;
gint value;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_ENUM, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
if (minimum != maximum)
{
frame = gimp_enum_radio_frame_new_with_range (param_spec->value_type,
minimum, maximum,
gtk_label_new (label),
G_CALLBACK (gimp_prop_radio_button_callback),
config,
&button);
}
else
{
frame = gimp_enum_radio_frame_new (param_spec->value_type,
gtk_label_new (label),
G_CALLBACK (gimp_prop_radio_button_callback),
config,
&button);
}
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (button), value);
set_radio_spec (G_OBJECT (button), param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_radio_button_notify),
button);
g_object_set_data (G_OBJECT (frame), "radio-button", button);
return frame;
}
GtkWidget *
gimp_prop_enum_radio_box_new (GObject *config,
const gchar *property_name,
gint minimum,
gint maximum)
{
GParamSpec *param_spec;
GtkWidget *vbox;
GtkWidget *button;
gint value;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_ENUM, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
if (minimum != maximum)
{
vbox = gimp_enum_radio_box_new_with_range (param_spec->value_type,
minimum, maximum,
G_CALLBACK (gimp_prop_radio_button_callback),
config,
&button);
}
else
{
vbox = gimp_enum_radio_box_new (param_spec->value_type,
G_CALLBACK (gimp_prop_radio_button_callback),
config,
&button);
}
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (button), value);
set_radio_spec (G_OBJECT (button), param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_radio_button_notify),
button);
g_object_set_data (G_OBJECT (vbox), "radio-button", button);
return vbox;
}
GtkWidget *
gimp_prop_boolean_radio_frame_new (GObject *config,
const gchar *property_name,
const gchar *title,
const gchar *true_text,
const gchar *false_text)
{
GParamSpec *param_spec;
GtkWidget *frame;
GtkWidget *button;
gboolean value;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_BOOLEAN, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
frame =
gimp_int_radio_group_new (TRUE, title,
G_CALLBACK (gimp_prop_radio_button_callback),
config, value,
false_text, FALSE, &button,
true_text, TRUE, NULL,
NULL);
set_radio_spec (G_OBJECT (button), param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_radio_button_notify),
button);
g_object_set_data (G_OBJECT (frame), "radio-button", button);
return frame;
}
GtkWidget *
gimp_prop_enum_stock_box_new (GObject *config,
const gchar *property_name,
const gchar *stock_prefix,
gint minimum,
gint maximum)
{
GParamSpec *param_spec;
GtkWidget *box;
GtkWidget *button;
gint value;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_ENUM, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
if (minimum != maximum)
{
box = gimp_enum_stock_box_new_with_range (param_spec->value_type,
minimum, maximum,
stock_prefix,
GTK_ICON_SIZE_MENU,
G_CALLBACK (gimp_prop_radio_button_callback),
config,
&button);
}
else
{
box = gimp_enum_stock_box_new (param_spec->value_type,
stock_prefix,
GTK_ICON_SIZE_MENU,
G_CALLBACK (gimp_prop_radio_button_callback),
config,
&button);
}
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (button), value);
set_radio_spec (G_OBJECT (button), param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_radio_button_notify),
button);
return box;
}
static void
gimp_prop_radio_button_callback (GtkWidget *widget,
GObject *config)
{
if (GTK_TOGGLE_BUTTON (widget)->active)
{
GParamSpec *param_spec;
gint value;
param_spec = get_param_spec (G_OBJECT (widget));
if (! param_spec)
return;
value = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"gimp-item-data"));
g_object_set (config,
param_spec->name, value,
NULL);
}
}
static void
gimp_prop_radio_button_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *button)
{
gint value;
g_object_get (config,
param_spec->name, &value,
NULL);
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (button), value);
}
/*****************/
/* adjustments */
/*****************/
static void gimp_prop_adjustment_callback (GtkAdjustment *adjustment,
GObject *config);
static void gimp_prop_adjustment_notify (GObject *config,
GParamSpec *param_spec,
GtkAdjustment *adjustment);
GtkWidget *
gimp_prop_spin_button_new (GObject *config,
const gchar *property_name,
gdouble step_increment,
gdouble page_increment,
gint digits)
{
GParamSpec *param_spec;
GtkWidget *spinbutton;
GtkObject *adjustment;
gdouble value;
gdouble lower;
gdouble upper;
param_spec = find_param_spec (config, property_name, G_STRFUNC);
if (! param_spec)
return NULL;
if (! get_numeric_values (config,
param_spec, &value, &lower, &upper, G_STRFUNC))
return NULL;
if (! G_IS_PARAM_SPEC_DOUBLE (param_spec))
digits = 0;
spinbutton = gimp_spin_button_new (&adjustment,
value, lower, upper,
step_increment, page_increment,
0.0, 1.0, digits);
set_param_spec (G_OBJECT (adjustment), spinbutton, param_spec);
g_signal_connect (adjustment, "value_changed",
G_CALLBACK (gimp_prop_adjustment_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_adjustment_notify),
adjustment);
return spinbutton;
}
GtkObject *
gimp_prop_scale_entry_new (GObject *config,
const gchar *property_name,
GtkTable *table,
gint column,
gint row,
const gchar *label,
gdouble step_increment,
gdouble page_increment,
gint digits,
gboolean restrict_scale,
gdouble restricted_lower,
gdouble restricted_upper)
{
GParamSpec *param_spec;
GtkObject *adjustment;
const gchar *tooltip;
gdouble value;
gdouble lower;
gdouble upper;
param_spec = find_param_spec (config, property_name, G_STRFUNC);
if (! param_spec)
return NULL;
if (! get_numeric_values (config,
param_spec, &value, &lower, &upper, G_STRFUNC))
return NULL;
tooltip = gettext (g_param_spec_get_blurb (param_spec));
if (! restrict_scale)
{
adjustment = gimp_scale_entry_new (table, column, row,
label, -1, -1,
value, lower, upper,
step_increment, page_increment, digits,
TRUE, 0.0, 0.0,
tooltip,
NULL);
}
else
{
adjustment = gimp_scale_entry_new (table, column, row,
label, -1, -1,
value,
restricted_lower,
restricted_upper,
step_increment, page_increment, digits,
FALSE, lower, upper,
tooltip,
NULL);
}
set_param_spec (G_OBJECT (adjustment), NULL, param_spec);
g_signal_connect (adjustment, "value_changed",
G_CALLBACK (gimp_prop_adjustment_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_adjustment_notify),
adjustment);
return adjustment;
}
GtkObject *
gimp_prop_opacity_entry_new (GObject *config,
const gchar *property_name,
GtkTable *table,
gint column,
gint row,
const gchar *label)
{
GParamSpec *param_spec;
GtkObject *adjustment;
const gchar *tooltip;
gdouble value;
gdouble lower;
gdouble upper;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_DOUBLE, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config, property_name, &value, NULL);
tooltip = gettext (g_param_spec_get_blurb (param_spec));
value *= 100.0;
lower = G_PARAM_SPEC_DOUBLE (param_spec)->minimum * 100.0;
upper = G_PARAM_SPEC_DOUBLE (param_spec)->maximum * 100.0;
adjustment = gimp_scale_entry_new (table, column, row,
label, -1, -1,
value, lower, upper,
1.0, 10.0, 1,
TRUE, 0.0, 0.0,
tooltip,
NULL);
set_param_spec (G_OBJECT (adjustment), NULL, param_spec);
g_object_set_data (G_OBJECT (adjustment),
"opacity-scale", GINT_TO_POINTER (TRUE));
g_signal_connect (adjustment, "value_changed",
G_CALLBACK (gimp_prop_adjustment_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_adjustment_notify),
adjustment);
return adjustment;
}
static void
gimp_prop_adjustment_callback (GtkAdjustment *adjustment,
GObject *config)
{
GParamSpec *param_spec;
param_spec = get_param_spec (G_OBJECT (adjustment));
if (! param_spec)
return;
if (G_IS_PARAM_SPEC_INT (param_spec))
{
g_object_set (config,
param_spec->name, (gint) adjustment->value,
NULL);
}
else if (G_IS_PARAM_SPEC_UINT (param_spec))
{
g_object_set (config,
param_spec->name, (guint) adjustment->value,
NULL);
}
else if (G_IS_PARAM_SPEC_LONG (param_spec))
{
g_object_set (config,
param_spec->name, (glong) adjustment->value,
NULL);
}
else if (G_IS_PARAM_SPEC_ULONG (param_spec))
{
g_object_set (config,
param_spec->name, (gulong) adjustment->value,
NULL);
}
else if (G_IS_PARAM_SPEC_INT64 (param_spec))
{
g_object_set (config,
param_spec->name, (gint64) adjustment->value,
NULL);
}
else if (G_IS_PARAM_SPEC_UINT64 (param_spec))
{
g_object_set (config,
param_spec->name, (guint64) adjustment->value,
NULL);
}
else if (G_IS_PARAM_SPEC_DOUBLE (param_spec))
{
gdouble value;
if (GPOINTER_TO_INT (g_object_get_data (G_OBJECT (adjustment),
"opacity-scale")))
value = adjustment->value / 100.0;
else
value = adjustment->value;
g_object_set (config, param_spec->name, value, NULL);
}
}
static void
gimp_prop_adjustment_notify (GObject *config,
GParamSpec *param_spec,
GtkAdjustment *adjustment)
{
gdouble value;
if (G_IS_PARAM_SPEC_INT (param_spec))
{
gint int_value;
g_object_get (config, param_spec->name, &int_value, NULL);
value = int_value;
}
else if (G_IS_PARAM_SPEC_UINT (param_spec))
{
guint uint_value;
g_object_get (config, param_spec->name, &uint_value, NULL);
value = uint_value;
}
else if (G_IS_PARAM_SPEC_LONG (param_spec))
{
glong long_value;
g_object_get (config, param_spec->name, &long_value, NULL);
value = long_value;
}
else if (G_IS_PARAM_SPEC_ULONG (param_spec))
{
gulong ulong_value;
g_object_get (config, param_spec->name, &ulong_value, NULL);
value = ulong_value;
}
else if (G_IS_PARAM_SPEC_INT64 (param_spec))
{
gint64 int64_value;
g_object_get (config, param_spec->name, &int64_value, NULL);
value = int64_value;
}
else if (G_IS_PARAM_SPEC_UINT64 (param_spec))
{
guint64 uint64_value;
g_object_get (config, param_spec->name, &uint64_value, NULL);
#if defined _MSC_VER && (_MSC_VER < 1300)
value = (gint64) uint64_value;
#else
value = uint64_value;
#endif
}
else if (G_IS_PARAM_SPEC_DOUBLE (param_spec))
{
g_object_get (config, param_spec->name, &value, NULL);
if (GPOINTER_TO_INT (g_object_get_data (G_OBJECT (adjustment),
"opacity-scale")))
value *= 100.0;
}
else
{
g_warning ("%s: unhandled param spec of type %s",
G_STRFUNC, G_PARAM_SPEC_TYPE_NAME (param_spec));
return;
}
if (adjustment->value != value)
{
g_signal_handlers_block_by_func (adjustment,
gimp_prop_adjustment_callback,
config);
gtk_adjustment_set_value (adjustment, value);
g_signal_handlers_unblock_by_func (adjustment,
gimp_prop_adjustment_callback,
config);
}
}
/*************/
/* memsize */
/*************/
static void gimp_prop_memsize_callback (GimpMemsizeEntry *entry,
GObject *config);
static void gimp_prop_memsize_notify (GObject *config,
GParamSpec *param_spec,
GimpMemsizeEntry *entry);
GtkWidget *
gimp_prop_memsize_entry_new (GObject *config,
const gchar *property_name)
{
GParamSpec *param_spec;
GParamSpecUInt64 *uint64_spec;
GtkWidget *entry;
guint64 value;
param_spec = check_param_spec (config, property_name,
GIMP_TYPE_PARAM_MEMSIZE, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
uint64_spec = G_PARAM_SPEC_UINT64 (param_spec);
g_return_val_if_fail (uint64_spec->minimum <= GIMP_MAX_MEMSIZE, NULL);
g_return_val_if_fail (uint64_spec->maximum <= GIMP_MAX_MEMSIZE, NULL);
entry = gimp_memsize_entry_new (value,
uint64_spec->minimum,
uint64_spec->maximum);
set_param_spec (G_OBJECT (entry),
GIMP_MEMSIZE_ENTRY (entry)->spinbutton,
param_spec);
g_signal_connect (entry, "value_changed",
G_CALLBACK (gimp_prop_memsize_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_memsize_notify),
entry);
return entry;
}
static void
gimp_prop_memsize_callback (GimpMemsizeEntry *entry,
GObject *config)
{
GParamSpec *param_spec;
param_spec = get_param_spec (G_OBJECT (entry));
if (! param_spec)
return;
g_return_if_fail (G_IS_PARAM_SPEC_UINT64 (param_spec));
g_object_set (config,
param_spec->name, gimp_memsize_entry_get_value (entry),
NULL);
}
static void
gimp_prop_memsize_notify (GObject *config,
GParamSpec *param_spec,
GimpMemsizeEntry *entry)
{
guint64 value;
g_return_if_fail (G_IS_PARAM_SPEC_UINT64 (param_spec));
g_object_get (config,
param_spec->name, &value,
NULL);
if (entry->value != value)
{
g_signal_handlers_block_by_func (entry,
gimp_prop_memsize_callback,
config);
gimp_memsize_entry_set_value (entry, value);
g_signal_handlers_unblock_by_func (entry,
gimp_prop_memsize_callback,
config);
}
}
/***********/
/* label */
/***********/
static void gimp_prop_label_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *label);
GtkWidget *
gimp_prop_label_new (GObject *config,
const gchar *property_name)
{
GParamSpec *param_spec;
GtkWidget *label;
gchar *value;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_STRING, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
label = gtk_label_new (value ? value : "");
g_free (value);
set_param_spec (G_OBJECT (label), label, param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_label_notify),
label);
return label;
}
static void
gimp_prop_label_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *label)
{
gchar *value;
g_object_get (config,
param_spec->name, &value,
NULL);
gtk_label_set_text (GTK_LABEL (label), value ? value : "");
g_free (value);
}
/***********/
/* entry */
/***********/
static void gimp_prop_entry_callback (GtkWidget *entry,
GObject *config);
static void gimp_prop_entry_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *entry);
GtkWidget *
gimp_prop_entry_new (GObject *config,
const gchar *property_name,
gint max_len)
{
GParamSpec *param_spec;
GtkWidget *entry;
gchar *value;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_STRING, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
entry = gtk_entry_new ();
gtk_entry_set_text (GTK_ENTRY (entry), value);
g_free (value);
if (max_len > 0)
gtk_entry_set_max_length (GTK_ENTRY (entry), max_len);
set_param_spec (G_OBJECT (entry), entry, param_spec);
g_signal_connect (entry, "changed",
G_CALLBACK (gimp_prop_entry_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_entry_notify),
entry);
return entry;
}
static void
gimp_prop_entry_callback (GtkWidget *entry,
GObject *config)
{
GParamSpec *param_spec;
const gchar *text;
param_spec = get_param_spec (G_OBJECT (entry));
if (! param_spec)
return;
text = gtk_entry_get_text (GTK_ENTRY (entry));
g_signal_handlers_block_by_func (config,
gimp_prop_entry_notify,
entry);
g_object_set (config,
param_spec->name, text,
NULL);
g_signal_handlers_unblock_by_func (config,
gimp_prop_entry_notify,
entry);
}
static void
gimp_prop_entry_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *entry)
{
gchar *value;
g_object_get (config,
param_spec->name, &value,
NULL);
g_signal_handlers_block_by_func (entry,
gimp_prop_entry_callback,
config);
gtk_entry_set_text (GTK_ENTRY (entry), value);
g_signal_handlers_unblock_by_func (entry,
gimp_prop_entry_callback,
config);
g_free (value);
}
/*****************/
/* text buffer */
/*****************/
static void gimp_prop_text_buffer_callback (GtkTextBuffer *text_buffer,
GObject *config);
static void gimp_prop_text_buffer_notify (GObject *config,
GParamSpec *param_spec,
GtkTextBuffer *text_buffer);
GtkTextBuffer *
gimp_prop_text_buffer_new (GObject *config,
const gchar *property_name,
gint max_len)
{
GParamSpec *param_spec;
GtkTextBuffer *text_buffer;
gchar *value;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_STRING, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
text_buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (text_buffer, value ? value : "", -1);
g_free (value);
if (max_len > 0)
g_object_set_data (G_OBJECT (text_buffer), "max-len",
GINT_TO_POINTER (max_len));
set_param_spec (G_OBJECT (text_buffer), NULL, param_spec);
g_signal_connect (text_buffer, "changed",
G_CALLBACK (gimp_prop_text_buffer_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_text_buffer_notify),
text_buffer);
return text_buffer;
}
static void
gimp_prop_text_buffer_callback (GtkTextBuffer *text_buffer,
GObject *config)
{
GParamSpec *param_spec;
GtkTextIter start_iter;
GtkTextIter end_iter;
gchar *text;
gint max_len;
param_spec = get_param_spec (G_OBJECT (text_buffer));
if (! param_spec)
return;
gtk_text_buffer_get_bounds (text_buffer, &start_iter, &end_iter);
text = gtk_text_buffer_get_text (text_buffer, &start_iter, &end_iter, FALSE);
max_len = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (text_buffer),
"max-length"));
if (max_len > 0 && strlen (text) > max_len)
{
g_message (_("This text input field is limited to %d characters."),
max_len);
gtk_text_buffer_get_iter_at_offset (text_buffer, &start_iter,
max_len - 1);
gtk_text_buffer_get_end_iter (text_buffer, &end_iter);
/* this calls us recursivaly, but in the else branch */
gtk_text_buffer_delete (text_buffer, &start_iter, &end_iter);
}
else
{
g_signal_handlers_block_by_func (config,
gimp_prop_text_buffer_notify,
text_buffer);
g_object_set (config,
param_spec->name, text,
NULL);
g_signal_handlers_unblock_by_func (config,
gimp_prop_text_buffer_notify,
text_buffer);
}
g_free (text);
}
static void
gimp_prop_text_buffer_notify (GObject *config,
GParamSpec *param_spec,
GtkTextBuffer *text_buffer)
{
gchar *value;
g_object_get (config,
param_spec->name, &value,
NULL);
g_signal_handlers_block_by_func (text_buffer,
gimp_prop_text_buffer_callback,
config);
gtk_text_buffer_set_text (text_buffer, value ? value : "", -1);
g_signal_handlers_unblock_by_func (text_buffer,
gimp_prop_text_buffer_callback,
config);
g_free (value);
}
/****************/
/* file entry */
/****************/
static void gimp_prop_file_entry_callback (GimpFileEntry *entry,
GObject *config);
static void gimp_prop_file_entry_notify (GObject *config,
GParamSpec *param_spec,
GimpFileEntry *entry);
GtkWidget *
gimp_prop_file_entry_new (GObject *config,
const gchar *property_name,
const gchar *filesel_title,
gboolean dir_only,
gboolean check_valid)
{
GParamSpec *param_spec;
GtkWidget *entry;
gchar *filename;
gchar *value;
param_spec = check_param_spec (config, property_name,
GIMP_TYPE_PARAM_PATH, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
filename = value ? gimp_config_path_expand (value, TRUE, NULL) : NULL;
g_free (value);
entry = gimp_file_entry_new (filesel_title, filename, dir_only, check_valid);
g_free (filename);
set_param_spec (G_OBJECT (entry),
GIMP_FILE_ENTRY (entry)->entry,
param_spec);
g_signal_connect (entry, "filename_changed",
G_CALLBACK (gimp_prop_file_entry_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_file_entry_notify),
entry);
return entry;
}
static void
gimp_prop_file_entry_callback (GimpFileEntry *entry,
GObject *config)
{
GParamSpec *param_spec;
gchar *value;
gchar *utf8;
param_spec = get_param_spec (G_OBJECT (entry));
if (! param_spec)
return;
value = gimp_file_entry_get_filename (entry);
utf8 = g_filename_to_utf8 (value, -1, NULL, NULL, NULL);
g_free (value);
g_signal_handlers_block_by_func (config,
gimp_prop_file_entry_notify,
entry);
g_object_set (config,
param_spec->name, utf8,
NULL);
g_signal_handlers_block_by_func (config,
gimp_prop_file_entry_notify,
entry);
g_free (utf8);
}
static void
gimp_prop_file_entry_notify (GObject *config,
GParamSpec *param_spec,
GimpFileEntry *entry)
{
gchar *value;
gchar *filename;
g_object_get (config,
param_spec->name, &value,
NULL);
filename = value ? gimp_config_path_expand (value, TRUE, NULL) : NULL;
g_free (value);
g_signal_handlers_block_by_func (entry,
gimp_prop_file_entry_callback,
config);
gimp_file_entry_set_filename (entry, filename);
g_signal_handlers_unblock_by_func (entry,
gimp_prop_file_entry_callback,
config);
g_free (filename);
}
/*****************/
/* path editor */
/*****************/
static void gimp_prop_path_editor_path_callback (GimpPathEditor *editor,
GObject *config);
static void gimp_prop_path_editor_writable_callback (GimpPathEditor *editor,
GObject *config);
static void gimp_prop_path_editor_path_notify (GObject *config,
GParamSpec *param_spec,
GimpPathEditor *editor);
static void gimp_prop_path_editor_writable_notify (GObject *config,
GParamSpec *param_spec,
GimpPathEditor *editor);
GtkWidget *
gimp_prop_path_editor_new (GObject *config,
const gchar *path_property_name,
const gchar *writable_property_name,
const gchar *filesel_title)
{
GParamSpec *path_param_spec;
GParamSpec *writable_param_spec = NULL;
GtkWidget *editor;
gchar *value;
gchar *filename;
path_param_spec = check_param_spec (config, path_property_name,
GIMP_TYPE_PARAM_PATH, G_STRFUNC);
if (! path_param_spec)
return NULL;
if (writable_property_name)
{
writable_param_spec = check_param_spec (config, writable_property_name,
GIMP_TYPE_PARAM_PATH, G_STRFUNC);
if (! writable_param_spec)
return NULL;
}
g_object_get (config,
path_property_name, &value,
NULL);
filename = value ? gimp_config_path_expand (value, TRUE, NULL) : NULL;
g_free (value);
editor = gimp_path_editor_new (filesel_title, filename);
g_free (filename);
if (writable_property_name)
{
g_object_get (config,
writable_property_name, &value,
NULL);
filename = value ? gimp_config_path_expand (value, TRUE, NULL) : NULL;
g_free (value);
gimp_path_editor_set_writable_path (GIMP_PATH_EDITOR (editor), filename);
g_free (filename);
}
g_object_set_data (G_OBJECT (editor), "gimp-config-param-spec-path",
path_param_spec);
g_signal_connect (editor, "path_changed",
G_CALLBACK (gimp_prop_path_editor_path_callback),
config);
connect_notify (config, path_property_name,
G_CALLBACK (gimp_prop_path_editor_path_notify),
editor);
if (writable_property_name)
{
g_object_set_data (G_OBJECT (editor), "gimp-config-param-spec-writable",
writable_param_spec);
g_signal_connect (editor, "writable_changed",
G_CALLBACK (gimp_prop_path_editor_writable_callback),
config);
connect_notify (config, writable_property_name,
G_CALLBACK (gimp_prop_path_editor_writable_notify),
editor);
}
return editor;
}
static void
gimp_prop_path_editor_path_callback (GimpPathEditor *editor,
GObject *config)
{
GParamSpec *path_param_spec;
GParamSpec *writable_param_spec;
gchar *value;
gchar *utf8;
path_param_spec = g_object_get_data (G_OBJECT (editor),
"gimp-config-param-spec-path");
writable_param_spec = g_object_get_data (G_OBJECT (editor),
"gimp-config-param-spec-writable");
if (! path_param_spec)
return;
value = gimp_path_editor_get_path (editor);
utf8 = g_filename_to_utf8 (value, -1, NULL, NULL, NULL);
g_free (value);
g_signal_handlers_block_by_func (config,
gimp_prop_path_editor_path_notify,
editor);
g_object_set (config,
path_param_spec->name, utf8,
NULL);
g_signal_handlers_unblock_by_func (config,
gimp_prop_path_editor_path_notify,
editor);
g_free (utf8);
if (writable_param_spec)
{
value = gimp_path_editor_get_writable_path (editor);
utf8 = g_filename_to_utf8 (value, -1, NULL, NULL, NULL);
g_free (value);
g_signal_handlers_block_by_func (config,
gimp_prop_path_editor_writable_notify,
editor);
g_object_set (config,
writable_param_spec->name, utf8,
NULL);
g_signal_handlers_unblock_by_func (config,
gimp_prop_path_editor_writable_notify,
editor);
g_free (utf8);
}
}
static void
gimp_prop_path_editor_writable_callback (GimpPathEditor *editor,
GObject *config)
{
GParamSpec *param_spec;
gchar *value;
gchar *utf8;
param_spec = g_object_get_data (G_OBJECT (editor),
"gimp-config-param-spec-writable");
if (! param_spec)
return;
value = gimp_path_editor_get_writable_path (editor);
utf8 = g_filename_to_utf8 (value, -1, NULL, NULL, NULL);
g_free (value);
g_signal_handlers_block_by_func (config,
gimp_prop_path_editor_writable_notify,
editor);
g_object_set (config,
param_spec->name, utf8,
NULL);
g_signal_handlers_unblock_by_func (config,
gimp_prop_path_editor_writable_notify,
editor);
g_free (utf8);
}
static void
gimp_prop_path_editor_path_notify (GObject *config,
GParamSpec *param_spec,
GimpPathEditor *editor)
{
gchar *value;
gchar *filename;
g_object_get (config,
param_spec->name, &value,
NULL);
filename = value ? gimp_config_path_expand (value, TRUE, NULL) : NULL;
g_free (value);
g_signal_handlers_block_by_func (editor,
gimp_prop_path_editor_path_callback,
config);
gimp_path_editor_set_path (editor, filename);
g_signal_handlers_unblock_by_func (editor,
gimp_prop_path_editor_path_callback,
config);
g_free (filename);
}
static void
gimp_prop_path_editor_writable_notify (GObject *config,
GParamSpec *param_spec,
GimpPathEditor *editor)
{
gchar *value;
gchar *filename;
g_object_get (config,
param_spec->name, &value,
NULL);
filename = value ? gimp_config_path_expand (value, TRUE, NULL) : NULL;
g_free (value);
g_signal_handlers_block_by_func (editor,
gimp_prop_path_editor_writable_callback,
config);
gimp_path_editor_set_writable_path (editor, filename);
g_signal_handlers_unblock_by_func (editor,
gimp_prop_path_editor_writable_callback,
config);
g_free (filename);
}
/***************/
/* sizeentry */
/***************/
static void gimp_prop_size_entry_callback (GimpSizeEntry *sizeentry,
GObject *config);
static void gimp_prop_size_entry_notify (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *sizeentry);
static void gimp_prop_size_entry_notify_unit (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *sizeentry);
GtkWidget *
gimp_prop_size_entry_new (GObject *config,
const gchar *property_name,
const gchar *unit_property_name,
const gchar *unit_format,
GimpSizeEntryUpdatePolicy update_policy,
gdouble resolution)
{
GtkWidget *sizeentry;
GParamSpec *param_spec;
GParamSpec *unit_param_spec;
gboolean show_pixels;
gdouble value;
gdouble lower;
gdouble upper;
GimpUnit unit_value;
param_spec = find_param_spec (config, property_name, G_STRFUNC);
if (! param_spec)
return NULL;
if (! get_numeric_values (config,
param_spec, &value, &lower, &upper, G_STRFUNC))
return NULL;
if (unit_property_name)
{
GValue value = { 0 };
unit_param_spec = check_param_spec (config, unit_property_name,
GIMP_TYPE_PARAM_UNIT, G_STRFUNC);
if (! unit_param_spec)
return NULL;
g_value_init (&value, unit_param_spec->value_type);
g_value_set_int (&value, GIMP_UNIT_PIXEL);
show_pixels =
(g_param_value_validate (unit_param_spec, &value) == FALSE);
g_value_unset (&value);
g_object_get (config,
unit_property_name, &unit_value,
NULL);
}
else
{
unit_param_spec = NULL;
unit_value = GIMP_UNIT_INCH;
show_pixels = FALSE;
}
sizeentry = gimp_size_entry_new (1, unit_value, unit_format,
TRUE, FALSE, FALSE,
ceil (log (upper) / log (10) + 2),
update_policy);
gtk_table_set_col_spacing (GTK_TABLE (sizeentry), 1, 4);
set_param_spec (NULL,
gimp_size_entry_get_help_widget (GIMP_SIZE_ENTRY (sizeentry),
0),
param_spec);
if (unit_param_spec)
set_param_spec (NULL,
GIMP_SIZE_ENTRY (sizeentry)->unitmenu, unit_param_spec);
gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (sizeentry), unit_value);
if (update_policy == GIMP_SIZE_ENTRY_UPDATE_SIZE)
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (sizeentry), 0,
resolution, FALSE);
gimp_size_entry_set_value_boundaries (GIMP_SIZE_ENTRY (sizeentry), 0,
lower, upper);
gimp_size_entry_set_value (GIMP_SIZE_ENTRY (sizeentry), 0, value);
g_object_set_data (G_OBJECT (sizeentry), "gimp-config-param-spec",
param_spec);
g_signal_connect (sizeentry, "value_changed",
G_CALLBACK (gimp_prop_size_entry_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_size_entry_notify),
sizeentry);
if (unit_property_name)
{
g_object_set_data (G_OBJECT (sizeentry), "gimp-config-param-spec-unit",
unit_param_spec);
g_signal_connect (sizeentry, "unit_changed",
G_CALLBACK (gimp_prop_size_entry_callback),
config);
connect_notify (config, unit_property_name,
G_CALLBACK (gimp_prop_size_entry_notify_unit),
sizeentry);
}
return sizeentry;
}
static void
gimp_prop_size_entry_callback (GimpSizeEntry *sizeentry,
GObject *config)
{
GParamSpec *param_spec;
GParamSpec *unit_param_spec;
gdouble value;
GimpUnit unit_value;
param_spec = g_object_get_data (G_OBJECT (sizeentry),
"gimp-config-param-spec");
if (! param_spec)
return;
unit_param_spec = g_object_get_data (G_OBJECT (sizeentry),
"gimp-config-param-spec-unit");
value = gimp_size_entry_get_value (sizeentry, 0);
unit_value = gimp_size_entry_get_unit (sizeentry);
if (unit_param_spec)
{
GimpUnit old_unit;
g_object_get (config,
unit_param_spec->name, &old_unit,
NULL);
if (unit_value == old_unit)
unit_param_spec = NULL;
}
if (G_IS_PARAM_SPEC_INT (param_spec))
{
g_object_set (config,
param_spec->name, ROUND (value),
unit_param_spec ?
unit_param_spec->name : NULL, unit_value,
NULL);
}
else if (G_IS_PARAM_SPEC_DOUBLE (param_spec))
{
g_object_set (config,
param_spec->name, value,
unit_param_spec ?
unit_param_spec->name : NULL, unit_value,
NULL);
}
}
static void
gimp_prop_size_entry_notify (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *sizeentry)
{
gdouble value;
if (G_IS_PARAM_SPEC_INT (param_spec))
{
gint int_value;
g_object_get (config,
param_spec->name, &int_value,
NULL);
value = int_value;
}
else
{
g_object_get (config,
param_spec->name, &value,
NULL);
}
if (value != gimp_size_entry_get_value (sizeentry, 0))
{
g_signal_handlers_block_by_func (sizeentry,
gimp_prop_size_entry_callback,
config);
gimp_size_entry_set_value (sizeentry, 0, value);
g_signal_handlers_unblock_by_func (sizeentry,
gimp_prop_size_entry_callback,
config);
}
}
static void
gimp_prop_size_entry_notify_unit (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *sizeentry)
{
GimpUnit value;
g_object_get (config,
param_spec->name, &value,
NULL);
if (value != gimp_size_entry_get_unit (sizeentry))
{
g_signal_handlers_block_by_func (sizeentry,
gimp_prop_size_entry_callback,
config);
gimp_size_entry_set_unit (sizeentry, value);
g_signal_handlers_unblock_by_func (sizeentry,
gimp_prop_size_entry_callback,
config);
}
}
/*****************/
/* coordinates */
/*****************/
static void gimp_prop_coordinates_callback (GimpSizeEntry *sizeentry,
GObject *config);
static void gimp_prop_coordinates_notify_x (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *sizeentry);
static void gimp_prop_coordinates_notify_y (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *sizeentry);
static void gimp_prop_coordinates_notify_unit (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *sizeentry);
GtkWidget *
gimp_prop_coordinates_new (GObject *config,
const gchar *x_property_name,
const gchar *y_property_name,
const gchar *unit_property_name,
const gchar *unit_format,
GimpSizeEntryUpdatePolicy update_policy,
gdouble xresolution,
gdouble yresolution,
gboolean has_chainbutton)
{
GtkWidget *sizeentry;
GtkWidget *chainbutton = NULL;
sizeentry = gimp_size_entry_new (2, GIMP_UNIT_INCH, unit_format,
FALSE, FALSE, TRUE, 10,
update_policy);
if (has_chainbutton)
{
chainbutton = gimp_chain_button_new (GIMP_CHAIN_BOTTOM);
gtk_table_attach_defaults (GTK_TABLE (sizeentry), chainbutton,
1, 3, 3, 4);
gtk_widget_show (chainbutton);
}
if (! gimp_prop_coordinates_connect (config,
x_property_name,
y_property_name,
unit_property_name,
sizeentry,
chainbutton,
xresolution,
yresolution))
{
gtk_widget_destroy (sizeentry);
return NULL;
}
return sizeentry;
}
gboolean
gimp_prop_coordinates_connect (GObject *config,
const gchar *x_property_name,
const gchar *y_property_name,
const gchar *unit_property_name,
GtkWidget *sizeentry,
GtkWidget *chainbutton,
gdouble xresolution,
gdouble yresolution)
{
GParamSpec *x_param_spec;
GParamSpec *y_param_spec;
GParamSpec *unit_param_spec;
gdouble x_value, x_lower, x_upper;
gdouble y_value, y_lower, y_upper;
GimpUnit unit_value;
gdouble *old_x_value;
gdouble *old_y_value;
GimpUnit *old_unit_value;
gboolean chain_checked;
g_return_val_if_fail (GIMP_IS_SIZE_ENTRY (sizeentry), FALSE);
g_return_val_if_fail (GIMP_SIZE_ENTRY (sizeentry)->number_of_fields == 2,
FALSE);
g_return_val_if_fail (chainbutton == NULL ||
GIMP_IS_CHAIN_BUTTON (chainbutton), FALSE);
x_param_spec = find_param_spec (config, x_property_name, G_STRFUNC);
if (! x_param_spec)
return FALSE;
y_param_spec = find_param_spec (config, y_property_name, G_STRFUNC);
if (! y_param_spec)
return FALSE;
if (! get_numeric_values (config, x_param_spec,
&x_value, &x_lower, &x_upper, G_STRFUNC) ||
! get_numeric_values (config, y_param_spec,
&y_value, &y_lower, &y_upper, G_STRFUNC))
return FALSE;
if (unit_property_name)
{
unit_param_spec = check_param_spec (config, unit_property_name,
GIMP_TYPE_PARAM_UNIT, G_STRFUNC);
if (! unit_param_spec)
return FALSE;
g_object_get (config,
unit_property_name, &unit_value,
NULL);
}
else
{
unit_param_spec = NULL;
unit_value = GIMP_UNIT_INCH;
}
set_param_spec (NULL,
gimp_size_entry_get_help_widget (GIMP_SIZE_ENTRY (sizeentry),
0),
x_param_spec);
set_param_spec (NULL,
gimp_size_entry_get_help_widget (GIMP_SIZE_ENTRY (sizeentry),
1),
y_param_spec);
if (unit_param_spec)
set_param_spec (NULL,
GIMP_SIZE_ENTRY (sizeentry)->unitmenu, unit_param_spec);
gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (sizeentry), unit_value);
switch (GIMP_SIZE_ENTRY (sizeentry)->update_policy)
{
case GIMP_SIZE_ENTRY_UPDATE_SIZE:
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (sizeentry), 0,
xresolution, FALSE);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (sizeentry), 1,
yresolution, FALSE);
chain_checked = (ABS (x_value - y_value) < 1);
break;
case GIMP_SIZE_ENTRY_UPDATE_RESOLUTION:
chain_checked = (ABS (x_value - y_value) < GIMP_MIN_RESOLUTION);
break;
default:
chain_checked = (x_value == y_value);
break;
}
gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (sizeentry), 0,
x_lower, x_upper);
gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (sizeentry), 1,
y_lower, y_upper);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (sizeentry), 0, x_value);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (sizeentry), 1, y_value);
g_object_set_data (G_OBJECT (sizeentry), "gimp-config-param-spec-x",
x_param_spec);
g_object_set_data (G_OBJECT (sizeentry), "gimp-config-param-spec-y",
y_param_spec);
old_x_value = g_new0 (gdouble, 1);
*old_x_value = x_value;
g_object_set_data_full (G_OBJECT (sizeentry), "old-x-value",
old_x_value,
(GDestroyNotify) g_free);
old_y_value = g_new0 (gdouble, 1);
*old_y_value = y_value;
g_object_set_data_full (G_OBJECT (sizeentry), "old-y-value",
old_y_value,
(GDestroyNotify) g_free);
if (chainbutton)
{
if (chain_checked)
gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chainbutton), TRUE);
g_object_set_data (G_OBJECT (sizeentry), "chainbutton", chainbutton);
}
g_signal_connect (sizeentry, "value_changed",
G_CALLBACK (gimp_prop_coordinates_callback),
config);
g_signal_connect (sizeentry, "refval_changed",
G_CALLBACK (gimp_prop_coordinates_callback),
config);
connect_notify (config, x_property_name,
G_CALLBACK (gimp_prop_coordinates_notify_x),
sizeentry);
connect_notify (config, y_property_name,
G_CALLBACK (gimp_prop_coordinates_notify_y),
sizeentry);
if (unit_property_name)
{
g_object_set_data (G_OBJECT (sizeentry), "gimp-config-param-spec-unit",
unit_param_spec);
old_unit_value = g_new0 (GimpUnit, 1);
*old_unit_value = unit_value;
g_object_set_data_full (G_OBJECT (sizeentry), "old-unit-value",
old_unit_value,
(GDestroyNotify) g_free);
g_signal_connect (sizeentry, "unit_changed",
G_CALLBACK (gimp_prop_coordinates_callback),
config);
connect_notify (config, unit_property_name,
G_CALLBACK (gimp_prop_coordinates_notify_unit),
sizeentry);
}
return TRUE;
}
static void
gimp_prop_coordinates_callback (GimpSizeEntry *sizeentry,
GObject *config)
{
GParamSpec *x_param_spec;
GParamSpec *y_param_spec;
GParamSpec *unit_param_spec;
gdouble x_value;
gdouble y_value;
GimpUnit unit_value;
gdouble *old_x_value;
gdouble *old_y_value;
GimpUnit *old_unit_value;
gboolean backwards;
x_param_spec = g_object_get_data (G_OBJECT (sizeentry),
"gimp-config-param-spec-x");
y_param_spec = g_object_get_data (G_OBJECT (sizeentry),
"gimp-config-param-spec-y");
if (! x_param_spec || ! y_param_spec)
return;
unit_param_spec = g_object_get_data (G_OBJECT (sizeentry),
"gimp-config-param-spec-unit");
x_value = gimp_size_entry_get_refval (sizeentry, 0);
y_value = gimp_size_entry_get_refval (sizeentry, 1);
unit_value = gimp_size_entry_get_unit (sizeentry);
old_x_value = g_object_get_data (G_OBJECT (sizeentry), "old-x-value");
old_y_value = g_object_get_data (G_OBJECT (sizeentry), "old-y-value");
old_unit_value = g_object_get_data (G_OBJECT (sizeentry), "old-unit-value");
if (! old_x_value || ! old_y_value || (unit_param_spec && ! old_unit_value))
return;
if (x_value != y_value)
{
GtkWidget *chainbutton;
chainbutton = g_object_get_data (G_OBJECT (sizeentry), "chainbutton");
if (chainbutton &&
gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (chainbutton)))
{
if (x_value != *old_x_value)
y_value = x_value;
else if (y_value != *old_y_value)
x_value = y_value;
}
}
backwards = (*old_x_value == x_value);
if (*old_x_value == x_value &&
*old_y_value == y_value &&
(old_unit_value == NULL || *old_unit_value == unit_value))
return;
*old_x_value = x_value;
*old_y_value = y_value;
if (old_unit_value)
*old_unit_value = unit_value;
if (unit_param_spec)
g_object_set (config,
unit_param_spec->name, unit_value,
NULL);
if (G_IS_PARAM_SPEC_INT (x_param_spec) &&
G_IS_PARAM_SPEC_INT (y_param_spec))
{
if (backwards)
g_object_set (config,
y_param_spec->name, ROUND (y_value),
x_param_spec->name, ROUND (x_value),
NULL);
else
g_object_set (config,
x_param_spec->name, ROUND (x_value),
y_param_spec->name, ROUND (y_value),
NULL);
}
else if (G_IS_PARAM_SPEC_DOUBLE (x_param_spec) &&
G_IS_PARAM_SPEC_DOUBLE (y_param_spec))
{
if (backwards)
g_object_set (config,
y_param_spec->name, y_value,
x_param_spec->name, x_value,
NULL);
else
g_object_set (config,
x_param_spec->name, x_value,
y_param_spec->name, y_value,
NULL);
}
}
static void
gimp_prop_coordinates_notify_x (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *sizeentry)
{
gdouble value;
if (G_IS_PARAM_SPEC_INT (param_spec))
{
gint int_value;
g_object_get (config,
param_spec->name, &int_value,
NULL);
value = int_value;
}
else
{
g_object_get (config,
param_spec->name, &value,
NULL);
}
if (value != gimp_size_entry_get_refval (sizeentry, 0))
{
g_signal_handlers_block_by_func (sizeentry,
gimp_prop_coordinates_callback,
config);
gimp_size_entry_set_refval (sizeentry, 0, value);
g_signal_handlers_unblock_by_func (sizeentry,
gimp_prop_coordinates_callback,
config);
}
}
static void
gimp_prop_coordinates_notify_y (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *sizeentry)
{
gdouble value;
if (G_IS_PARAM_SPEC_INT (param_spec))
{
gint int_value;
g_object_get (config,
param_spec->name, &int_value,
NULL);
value = int_value;
}
else
{
g_object_get (config,
param_spec->name, &value,
NULL);
}
if (value != gimp_size_entry_get_refval (sizeentry, 1))
{
g_signal_handlers_block_by_func (sizeentry,
gimp_prop_coordinates_callback,
config);
gimp_size_entry_set_refval (sizeentry, 1, value);
g_signal_handlers_unblock_by_func (sizeentry,
gimp_prop_coordinates_callback,
config);
}
}
static void
gimp_prop_coordinates_notify_unit (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *sizeentry)
{
GimpUnit value;
g_object_get (config,
param_spec->name, &value,
NULL);
if (value != gimp_size_entry_get_unit (sizeentry))
{
g_signal_handlers_block_by_func (sizeentry,
gimp_prop_coordinates_callback,
config);
gimp_size_entry_set_unit (sizeentry, value);
g_signal_handlers_unblock_by_func (sizeentry,
gimp_prop_coordinates_callback,
config);
}
}
/****************/
/* color area */
/****************/
static void gimp_prop_color_area_callback (GtkWidget *widget,
GObject *config);
static void gimp_prop_color_area_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *area);
GtkWidget *
gimp_prop_color_area_new (GObject *config,
const gchar *property_name,
gint width,
gint height,
GimpColorAreaType type)
{
GParamSpec *param_spec;
GtkWidget *area;
GimpRGB *value;
param_spec = check_param_spec (config, property_name,
GIMP_TYPE_PARAM_RGB, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
area = gimp_color_area_new (value, type,
GDK_BUTTON1_MASK | GDK_BUTTON2_MASK);
gtk_widget_set_size_request (area, width, height);
g_free (value);
set_param_spec (G_OBJECT (area), area, param_spec);
g_signal_connect (area, "color_changed",
G_CALLBACK (gimp_prop_color_area_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_color_area_notify),
area);
return area;
}
static void
gimp_prop_color_area_callback (GtkWidget *area,
GObject *config)
{
GParamSpec *param_spec;
GimpRGB value;
param_spec = get_param_spec (G_OBJECT (area));
if (! param_spec)
return;
gimp_color_area_get_color (GIMP_COLOR_AREA (area), &value);
g_signal_handlers_block_by_func (config,
gimp_prop_color_area_notify,
area);
g_object_set (config,
param_spec->name, &value,
NULL);
g_signal_handlers_unblock_by_func (config,
gimp_prop_color_area_notify,
area);
}
static void
gimp_prop_color_area_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *area)
{
GimpRGB *value;
g_object_get (config,
param_spec->name, &value,
NULL);
g_signal_handlers_block_by_func (area,
gimp_prop_color_area_callback,
config);
gimp_color_area_set_color (GIMP_COLOR_AREA (area), value);
g_free (value);
g_signal_handlers_unblock_by_func (area,
gimp_prop_color_area_callback,
config);
}
/******************/
/* color button */
/******************/
static void gimp_prop_color_button_callback (GtkWidget *widget,
GObject *config);
static void gimp_prop_color_button_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *button);
GtkWidget *
gimp_prop_color_button_new (GObject *config,
const gchar *property_name,
const gchar *title,
gint width,
gint height,
GimpColorAreaType type)
{
GParamSpec *param_spec;
GtkWidget *button;
GimpRGB *value;
param_spec = check_param_spec (config, property_name,
GIMP_TYPE_PARAM_RGB, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
button = gimp_color_panel_new (title, value, type, width, height);
g_free (value);
set_param_spec (G_OBJECT (button), button, param_spec);
g_signal_connect (button, "color_changed",
G_CALLBACK (gimp_prop_color_button_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_color_button_notify),
button);
return button;
}
static void
gimp_prop_color_button_callback (GtkWidget *button,
GObject *config)
{
GParamSpec *param_spec;
GimpRGB value;
param_spec = get_param_spec (G_OBJECT (button));
if (! param_spec)
return;
gimp_color_button_get_color (GIMP_COLOR_BUTTON (button), &value);
g_signal_handlers_block_by_func (config,
gimp_prop_color_button_notify,
button);
g_object_set (config,
param_spec->name, &value,
NULL);
g_signal_handlers_unblock_by_func (config,
gimp_prop_color_button_notify,
button);
}
static void
gimp_prop_color_button_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *button)
{
GimpRGB *value;
g_object_get (config,
param_spec->name, &value,
NULL);
g_signal_handlers_block_by_func (button,
gimp_prop_color_button_callback,
config);
gimp_color_button_set_color (GIMP_COLOR_BUTTON (button), value);
g_free (value);
g_signal_handlers_unblock_by_func (button,
gimp_prop_color_button_callback,
config);
}
/***************/
/* unit menu */
/***************/
static void gimp_prop_unit_menu_callback (GtkWidget *menu,
GObject *config);
static void gimp_prop_unit_menu_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *menu);
GtkWidget *
gimp_prop_unit_menu_new (GObject *config,
const gchar *property_name,
const gchar *unit_format)
{
GParamSpec *param_spec;
GtkWidget *menu;
GimpUnit unit;
GValue value = { 0, };
gboolean show_pixels;
gboolean show_percent;
param_spec = check_param_spec (config, property_name,
GIMP_TYPE_PARAM_UNIT, G_STRFUNC);
if (! param_spec)
return NULL;
g_value_init (&value, param_spec->value_type);
g_value_set_int (&value, GIMP_UNIT_PIXEL);
show_pixels = (g_param_value_validate (param_spec, &value) == FALSE);
g_value_set_int (&value, GIMP_UNIT_PERCENT);
show_percent = (g_param_value_validate (param_spec, &value) == FALSE);
g_value_unset (&value);
g_object_get (config,
property_name, &unit,
NULL);
menu = gimp_unit_menu_new (unit_format, unit, show_pixels, show_percent, TRUE);
set_param_spec (G_OBJECT (menu), menu, param_spec);
g_signal_connect (menu, "unit_changed",
G_CALLBACK (gimp_prop_unit_menu_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_unit_menu_notify),
menu);
return menu;
}
static void
gimp_prop_unit_menu_callback (GtkWidget *menu,
GObject *config)
{
GParamSpec *param_spec;
GimpUnit unit;
param_spec = get_param_spec (G_OBJECT (menu));
if (! param_spec)
return;
gimp_unit_menu_update (menu, &unit);
g_signal_handlers_block_by_func (config,
gimp_prop_unit_menu_notify,
menu);
g_object_set (config,
param_spec->name, unit,
NULL);
g_signal_handlers_unblock_by_func (config,
gimp_prop_unit_menu_notify,
menu);
}
static void
gimp_prop_unit_menu_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *menu)
{
GimpUnit unit;
g_object_get (config,
param_spec->name, &unit,
NULL);
g_signal_handlers_block_by_func (menu,
gimp_prop_unit_menu_callback,
config);
gimp_unit_menu_set_unit (GIMP_UNIT_MENU (menu), unit);
gimp_unit_menu_update (menu, &unit);
g_signal_handlers_unblock_by_func (menu,
gimp_prop_unit_menu_callback,
config);
}
/*************/
/* preview */
/*************/
static void gimp_prop_preview_drop (GtkWidget *menu,
GimpViewable *viewable,
gpointer data);
static void gimp_prop_preview_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *preview);
GtkWidget *
gimp_prop_preview_new (GObject *config,
const gchar *property_name,
gint size)
{
GParamSpec *param_spec;
GtkWidget *preview;
GimpViewable *viewable;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_OBJECT, G_STRFUNC);
if (! param_spec)
return NULL;
if (! g_type_is_a (param_spec->value_type, GIMP_TYPE_VIEWABLE))
{
g_warning ("%s: property '%s' of %s is not a GimpViewable",
G_STRFUNC, property_name,
g_type_name (G_TYPE_FROM_INSTANCE (config)));
return NULL;
}
preview = gimp_view_new_by_types (GIMP_TYPE_VIEW,
param_spec->value_type,
size, 0, FALSE);
if (! preview)
{
g_warning ("%s: cannot create preview for type '%s'",
G_STRFUNC, g_type_name (param_spec->value_type));
return NULL;
}
g_object_get (config,
property_name, &viewable,
NULL);
if (viewable)
{
gimp_view_set_viewable (GIMP_VIEW (preview), viewable);
g_object_unref (viewable);
}
set_param_spec (G_OBJECT (preview), preview, param_spec);
gimp_dnd_viewable_dest_add (preview, param_spec->value_type,
gimp_prop_preview_drop,
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_preview_notify),
preview);
return preview;
}
static void
gimp_prop_preview_drop (GtkWidget *preview,
GimpViewable *viewable,
gpointer data)
{
GObject *config;
GParamSpec *param_spec;
param_spec = get_param_spec (G_OBJECT (preview));
if (! param_spec)
return;
config = G_OBJECT (data);
g_object_set (config,
param_spec->name, viewable,
NULL);
}
static void
gimp_prop_preview_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *preview)
{
GimpViewable *viewable;
g_object_get (config,
param_spec->name, &viewable,
NULL);
gimp_view_set_viewable (GIMP_VIEW (preview), viewable);
if (viewable)
g_object_unref (viewable);
}
/*****************/
/* stock image */
/*****************/
static void gimp_prop_stock_image_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *image);
GtkWidget *
gimp_prop_stock_image_new (GObject *config,
const gchar *property_name,
GtkIconSize icon_size)
{
GParamSpec *param_spec;
GtkWidget *image;
gchar *stock_id;
param_spec = check_param_spec (config, property_name,
G_TYPE_PARAM_STRING, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &stock_id,
NULL);
image = gtk_image_new_from_stock (stock_id, icon_size);
if (stock_id)
g_free (stock_id);
set_param_spec (G_OBJECT (image), image, param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_stock_image_notify),
image);
return image;
}
static void
gimp_prop_stock_image_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *image)
{
gchar *stock_id;
g_object_get (config,
param_spec->name, &stock_id,
NULL);
gtk_image_set_from_stock (GTK_IMAGE (image), stock_id,
GTK_IMAGE (image)->icon_size);
if (stock_id)
g_free (stock_id);
}
/*******************************/
/* private utility functions */
/*******************************/
static GQuark param_spec_quark = 0;
static void
set_param_spec (GObject *object,
GtkWidget *widget,
GParamSpec *param_spec)
{
if (object)
{
if (! param_spec_quark)
param_spec_quark = g_quark_from_static_string ("gimp-config-param-spec");
g_object_set_qdata (object, param_spec_quark, param_spec);
}
if (widget)
{
const gchar *blurb = g_param_spec_get_blurb (param_spec);
if (blurb)
gimp_help_set_help_data (widget, gettext (blurb), NULL);
}
}
static void
set_radio_spec (GObject *object,
GParamSpec *param_spec)
{
GSList *list;
for (list = gtk_radio_button_get_group (GTK_RADIO_BUTTON (object));
list;
list = g_slist_next (list))
{
set_param_spec (list->data, NULL, param_spec);
}
}
static GParamSpec *
get_param_spec (GObject *object)
{
if (! param_spec_quark)
param_spec_quark = g_quark_from_static_string ("gimp-config-param-spec");
return g_object_get_qdata (object, param_spec_quark);
}
static GParamSpec *
find_param_spec (GObject *object,
const gchar *property_name,
const gchar *strloc)
{
GParamSpec *param_spec;
param_spec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
property_name);
if (! param_spec)
g_warning ("%s: %s has no property named '%s'",
strloc,
g_type_name (G_TYPE_FROM_INSTANCE (object)),
property_name);
return param_spec;
}
static GParamSpec *
check_param_spec (GObject *object,
const gchar *property_name,
GType type,
const gchar *strloc)
{
GParamSpec *param_spec;
param_spec = find_param_spec (object, property_name, strloc);
if (param_spec && ! g_type_is_a (G_TYPE_FROM_INSTANCE (param_spec), type))
{
g_warning ("%s: property '%s' of %s is not a %s",
strloc,
param_spec->name,
g_type_name (param_spec->owner_type),
g_type_name (type));
return NULL;
}
return param_spec;
}
static gboolean
get_numeric_values (GObject *object,
GParamSpec *param_spec,
gdouble *value,
gdouble *lower,
gdouble *upper,
const gchar *strloc)
{
if (G_IS_PARAM_SPEC_INT (param_spec))
{
GParamSpecInt *int_spec = G_PARAM_SPEC_INT (param_spec);
gint int_value;
g_object_get (object, param_spec->name, &int_value, NULL);
*value = int_value;
*lower = int_spec->minimum;
*upper = int_spec->maximum;
}
else if (G_IS_PARAM_SPEC_UINT (param_spec))
{
GParamSpecUInt *uint_spec = G_PARAM_SPEC_UINT (param_spec);
guint uint_value;
g_object_get (object, param_spec->name, &uint_value, NULL);
*value = uint_value;
*lower = uint_spec->minimum;
*upper = uint_spec->maximum;
}
else if (G_IS_PARAM_SPEC_DOUBLE (param_spec))
{
GParamSpecDouble *double_spec = G_PARAM_SPEC_DOUBLE (param_spec);
g_object_get (object, param_spec->name, value, NULL);
*lower = double_spec->minimum;
*upper = double_spec->maximum;
}
else
{
g_warning ("%s: property '%s' of %s is not numeric",
strloc,
param_spec->name,
g_type_name (G_TYPE_FROM_INSTANCE (object)));
return FALSE;
}
return TRUE;
}
static void
connect_notify (GObject *config,
const gchar *property_name,
GCallback callback,
gpointer callback_data)
{
gchar *notify_name;
notify_name = g_strconcat ("notify::", property_name, NULL);
g_signal_connect_object (config, notify_name, callback, callback_data, 0);
g_free (notify_name);
}