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gimp/libgimpwidgets/gimppropwidgets.c

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimppropwidgets.c
* Copyright (C) 2002-2007 Michael Natterer <mitch@gimp.org>
* Sven Neumann <sven@gimp.org>
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "gimpwidgets.h"
#include "libgimp/libgimp-intl.h"
/**
* SECTION: gimppropwidgets
* @title: GimpPropWidgets
* @short_description: Editable views on #GObject properties.
*
* Editable views on #GObject properties.
**/
/* 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 GParamSpec * check_param_spec_w (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);
/**
* gimp_prop_check_button_new:
* @config: Object to which property is attached.
* @property_name: Name of boolean property controlled by checkbutton.
* @label: Label to give checkbutton (including mnemonic).
*
* Creates a #GtkCheckButton that displays and sets the specified
* boolean property.
*
* Return value: The newly created #GtkCheckButton widget.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_check_button_new (GObject *config,
const gchar *property_name,
const gchar *label)
{
GParamSpec *param_spec;
GtkWidget *button;
gboolean value;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = check_param_spec_w (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_get_active (GTK_TOGGLE_BUTTON (widget)),
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_get_active (GTK_TOGGLE_BUTTON (button)) != 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);
/**
* gimp_prop_enum_check_button_new:
* @config: Object to which property is attached.
* @property_name: Name of enum property controlled by checkbutton.
* @label: Label to give checkbutton (including mnemonic).
* @false_value: Enum value corresponding to unchecked state.
* @true_value: Enum value corresonding to checked state.
*
* Creates a #GtkCheckButton that displays and sets the specified
* property of type Enum. Note that this widget only allows two values
* for the enum, one corresponding to the "checked" state and the
* other to the "unchecked" state.
*
* Return value: The newly created #GtkCheckButton widget.
*
* Since GIMP 2.4
*/
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;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = check_param_spec_w (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_get_active (GTK_TOGGLE_BUTTON (widget)) ?
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_get_active (GTK_TOGGLE_BUTTON (button)) != 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);
/**
* gimp_prop_int_combo_box_new:
* @config: Object to which property is attached.
* @property_name: Name of int property controlled by combo box.
* @store: #GimpIntStore holding list of labels, values, etc.
*
* Creates a #GimpIntComboBox widget to display and set the specified
* property. The contents of the widget are determined by @store,
* which should be created using gimp_int_store_new().
*
* Return value: The newly created #GimpIntComboBox widget.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_int_combo_box_new (GObject *config,
const gchar *property_name,
GimpIntStore *store)
{
GParamSpec *param_spec;
GtkWidget *combo_box;
gint value;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = check_param_spec_w (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);
set_param_spec (G_OBJECT (combo_box), combo_box, param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_int_combo_box_notify),
combo_box);
return combo_box;
}
/**
* gimp_prop_enum_combo_box_new:
* @config: Object to which property is attached.
* @property_name: Name of enum property controlled by combo box.
* @minimum: Smallest allowed value of enum.
* @maximum: Largest allowed value of enum.
*
* Creates a #GimpIntComboBox widget to display and set the specified
* enum property. The @mimimum_value and @maximum_value give the
* possibility of restricting the allowed range to a subset of the
* enum. If the two values are equal (e.g., 0, 0), then the full
* range of the Enum is used.
*
* Return value: The newly created #GimpEnumComboBox widget.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_enum_combo_box_new (GObject *config,
const gchar *property_name,
gint minimum,
gint maximum)
{
GParamSpec *param_spec;
GtkWidget *combo_box;
gint value;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = check_param_spec_w (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);
set_param_spec (G_OBJECT (combo_box), combo_box, param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_int_combo_box_notify),
combo_box);
return combo_box;
}
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);
/**
* gimp_prop_boolean_combo_box_new:
* @config: Object to which property is attached.
* @property_name: Name of boolean property controlled by combo box.
* @true_text: Label used for entry corresponding to %TRUE value.
* @false_text: Label used for entry corresponding to %FALSE value.
*
* Creates a #GtkComboBox widget to display and set the specified
* boolean property. The combo box will have two entries, one
* displaying the @true_text label, the other displaying the
* @false_text label.
*
* Return value: The newly created #GtkComboBox widget.
*
* Since GIMP 2.4
*/
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;
gboolean value;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = check_param_spec_w (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);
set_param_spec (G_OBJECT (combo_box), combo_box, param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_boolean_combo_box_notify),
combo_box);
return combo_box;
}
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);
}
/*****************/
/* 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);
/**
* gimp_prop_enum_radio_frame_new:
* @config: Object to which property is attached.
* @property_name: Name of enum property controlled by the radio buttons.
* @title: Label for the frame holding the buttons
* @minimum: Smallest value of enum to be included.
* @maximum: Largest value of enum to be included.
*
* Creates a group of radio buttons which function to set and display
* the specified enum property. The @minimum and @maximum arguments
* allow only a subset of the enum to be used. If the two arguments
* are equal (e.g., 0, 0), then the full range of the enum will be used.
*
* Return value: A #GimpFrame containing the radio buttons.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_enum_radio_frame_new (GObject *config,
const gchar *property_name,
const gchar *title,
gint minimum,
gint maximum)
{
GParamSpec *param_spec;
GtkWidget *frame;
GtkWidget *button;
gint value;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = check_param_spec_w (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 (title),
G_CALLBACK (gimp_prop_radio_button_callback),
config,
&button);
}
else
{
frame = gimp_enum_radio_frame_new (param_spec->value_type,
gtk_label_new (title),
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;
}
/**
* gimp_prop_enum_radio_box_new:
* @config: Object to which property is attached.
* @property_name: Name of enum property controlled by the radio buttons.
* @minimum: Smallest value of enum to be included.
* @maximum: Largest value of enum to be included.
*
* Creates a group of radio buttons which function to set and display
* the specified enum property. The @minimum and @maximum arguments
* allow only a subset of the enum to be used. If the two arguments
* are equal (e.g., 0, 0), then the full range of the enum will be used.
* If you want to assign a label to the group of radio buttons, use
* gimp_prop_enum_radio_frame_new() instead of this function.
*
* Return value: A #GtkVBox containing the radio buttons.
*
* Since GIMP 2.4
*/
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;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = check_param_spec_w (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;
}
/***********/
/* label */
/***********/
static void gimp_prop_enum_label_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *label);
/**
* gimp_prop_enum_label_new:
* @config: Object to which property is attached.
* @property_name: Name of enum property to be displayed.
*
* Return value: The newly created #GimpEnumLabel widget.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_enum_label_new (GObject *config,
const gchar *property_name)
{
GParamSpec *param_spec;
GtkWidget *label;
gint value;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
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);
label = gimp_enum_label_new (param_spec->value_type, value);
set_param_spec (G_OBJECT (label), label, param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_enum_label_notify),
label);
return label;
}
static void
gimp_prop_enum_label_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *label)
{
gint value;
g_object_get (config,
param_spec->name, &value,
NULL);
gimp_enum_label_set_value (GIMP_ENUM_LABEL (label), value);
}
/**
* gimp_prop_boolean_radio_frame_new:
* @config: Object to which property is attached.
* @property_name: Name of boolean property controlled by the radio buttons.
* @title: Label for the frame.
* @true_text: Label for the button corresponding to %TRUE.
* @false_text: Label for the button corresponding to %FALSE.
*
* Creates a pair of radio buttons which function to set and display
* the specified boolean property.
*
* Return value: A #GimpFrame containing the radio buttons.
*
* Since GIMP 2.4
*/
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;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = check_param_spec_w (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;
}
/**
* gimp_prop_enum_stock_box_new:
* @config: Object to which property is attached.
* @property_name: Name of enum property controlled by the radio buttons.
* @stock_prefix: The prefix of the group of stock ids to use.
* @minimum: Smallest value of enum to be included.
* @maximum: Largest value of enum to be included.
*
* Creates a horizontal box of radio buttons with stock icons, which
* function to set and display the value of the specified Enum
* property. The stock_id for each icon is created by appending the
* enum_value's nick to the given @stock_prefix. See
* gimp_enum_stock_box_new() for more information.
*
* Return value: A #libgimpwidgets-gimpenumstockbox containing the radio buttons.
*
* Since GIMP 2.4
*/
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;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = check_param_spec_w (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_get_active (GTK_TOGGLE_BUTTON (widget)))
{
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);
/**
* gimp_prop_spin_button_new:
* @config: Object to which property is attached.
* @property_name: Name of double property controlled by the spin button.
* @step_increment: Step size.
* @page_increment: Page size.
* @digits: Number of digits after decimal point to display.
*
* Creates a spin button to set and display the value of the
* specified double property.
*
* Return value: A new #libgimpwidgets-gimpspinbutton.
*
* Since GIMP 2.4
*/
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;
}
/**
* gimp_prop_hscale_new:
* @config: Object to which property is attached.
* @property_name: Name of integer or double property controlled by the scale.
* @step_increment: Step size.
* @page_increment: Page size.
* @digits: Number of digits after decimal point to display.
*
* Creates a horizontal scale to control the value of the specified
* integer or double property.
*
* Return value: A new #GtkScale.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_hscale_new (GObject *config,
const gchar *property_name,
gdouble step_increment,
gdouble page_increment,
gint digits)
{
GParamSpec *param_spec;
GtkWidget *scale;
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;
adjustment = gtk_adjustment_new (value, lower, upper,
step_increment, page_increment, 0.0);
scale = g_object_new (GTK_TYPE_HSCALE,
"adjustment", adjustment,
"digits", digits,
NULL);
set_param_spec (G_OBJECT (adjustment), scale, 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 scale;
}
/**
* gimp_prop_scale_entry_new:
* @config: Object to which property is attached.
* @property_name: Name of double property controlled by the spin button.
* @table: The #GtkTable the widgets will be attached to.
* @column: The column to start with.
* @row: The row to attach the widgets.
* @label: The text for the #GtkLabel which will appear left of
* the #GtkHScale.
* @step_increment: Step size.
* @page_increment: Page size.
* @digits: Number of digits after decimal point to display.
* @limit_scale: %TRUE if the range of possible values of the
* GtkSpinButton should be the same as of the GtkHScale.
* @lower_limit: The spinbutton's lower boundary if @limit_scale is %FALSE.
* @upper_limit: The spinbutton's upper boundary if @limit_scale is %FALSE.
*
* Creates a #libgimpwidgets-gimpscaleentry (slider and spin button)
* to set and display the value of the specified double property. See
* gimp_scale_entry_new() for more information.
*
* Return value: The #GtkSpinButton's #GtkAdjustment.
*
* Since GIMP 2.4
*/
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 limit_scale,
gdouble lower_limit,
gdouble upper_limit)
{
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 = dgettext (gimp_type_get_translation_domain (G_OBJECT_TYPE (config)),
g_param_spec_get_blurb (param_spec));
if (! limit_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, lower_limit, upper_limit,
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;
}
/**
* gimp_prop_opacity_entry_new:
* @config: Object to which property is attached.
* @property_name: Name of double property controlled by the spin button.
* @table: The #GtkTable the widgets will be attached to.
* @column: The column to start with.
* @row: The row to attach the widgets.
* @label: The text for the #GtkLabel which will appear left of the
* #GtkHScale.
*
* Creates a #libgimpwidgets-gimpscaleentry (slider and spin button)
* to set and display the value of the specified double property,
* which should represent an "opacity" variable with range 0 to 100.
* See gimp_scale_entry_new() for more information.
*
* Return value: The #GtkSpinButton's #GtkAdjustment.
*
* Since GIMP 2.4
*/
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;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = check_param_spec_w (config, property_name,
G_TYPE_PARAM_DOUBLE, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config, property_name, &value, NULL);
tooltip = dgettext (gimp_type_get_translation_domain (G_OBJECT_TYPE (config)),
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;
gdouble value;
param_spec = get_param_spec (G_OBJECT (adjustment));
if (! param_spec)
return;
value = gtk_adjustment_get_value (adjustment);
if (G_IS_PARAM_SPEC_INT (param_spec))
{
g_object_set (config,
param_spec->name, (gint) value,
NULL);
}
else if (G_IS_PARAM_SPEC_UINT (param_spec))
{
g_object_set (config,
param_spec->name, (guint) value,
NULL);
}
else if (G_IS_PARAM_SPEC_LONG (param_spec))
{
g_object_set (config,
param_spec->name, (glong) value,
NULL);
}
else if (G_IS_PARAM_SPEC_ULONG (param_spec))
{
g_object_set (config,
param_spec->name, (gulong) value,
NULL);
}
else if (G_IS_PARAM_SPEC_INT64 (param_spec))
{
g_object_set (config,
param_spec->name, (gint64) value,
NULL);
}
else if (G_IS_PARAM_SPEC_UINT64 (param_spec))
{
g_object_set (config,
param_spec->name, (guint64) value,
NULL);
}
else if (G_IS_PARAM_SPEC_DOUBLE (param_spec))
{
if (GPOINTER_TO_INT (g_object_get_data (G_OBJECT (adjustment),
"opacity-scale")))
value /= 100.0;
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 (gtk_adjustment_get_value (adjustment) != 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);
/**
* gimp_prop_memsize_entry_new:
* @config: Object to which property is attached.
* @property_name: Name of memsize property.
*
* Creates a #GimpMemsizeEntry (spin button and option menu) to set
* and display the value of the specified memsize property. See
* gimp_memsize_entry_new() for more information.
*
* Return value: A new #GimpMemsizeEntry.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_memsize_entry_new (GObject *config,
const gchar *property_name)
{
GParamSpec *param_spec;
GParamSpecUInt64 *uint64_spec;
GtkWidget *entry;
guint64 value;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = check_param_spec_w (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);
/**
* gimp_prop_label_new:
* @config: Object to which property is attached.
* @property_name: Name of string property.
*
* Creates a #GtkLabel to display the value of the specified property.
* The property should be a string property or at least transformable
* to a string. If the user should be able to edit the string, use
* gimp_prop_entry_new() instead.
*
* Return value: A new #GtkLabel widget.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_label_new (GObject *config,
const gchar *property_name)
{
GParamSpec *param_spec;
GtkWidget *label;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = find_param_spec (config, property_name, G_STRFUNC);
if (! param_spec)
return NULL;
if (! g_value_type_transformable (param_spec->value_type, G_TYPE_STRING))
{
g_warning ("%s: property '%s' of %s is not transformable to string",
G_STRLOC,
param_spec->name,
g_type_name (param_spec->owner_type));
return NULL;
}
label = gtk_label_new (NULL);
set_param_spec (G_OBJECT (label), label, param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_label_notify),
label);
gimp_prop_label_notify (config, param_spec, label);
return label;
}
static void
gimp_prop_label_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *label)
{
GValue value = { 0, };
g_value_init (&value, param_spec->value_type);
g_object_get_property (config, param_spec->name, &value);
if (G_VALUE_HOLDS_STRING (&value))
{
const gchar *str = g_value_get_string (&value);
gtk_label_set_text (GTK_LABEL (label), str ? str : "");
}
else
{
GValue str_value = { 0, };
const gchar *str;
g_value_init (&str_value, G_TYPE_STRING);
g_value_transform (&value, &str_value);
str = g_value_get_string (&str_value);
gtk_label_set_text (GTK_LABEL (label), str ? str : "");
g_value_unset (&str_value);
}
g_value_unset (&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);
/**
* gimp_prop_entry_new:
* @config: Object to which property is attached.
* @property_name: Name of string property.
* @max_len: Maximum allowed length of string.
*
* Creates a #GtkEntry to set and display the value of the specified
* string property.
*
* Return value: A new #GtkEntry widget.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_entry_new (GObject *config,
const gchar *property_name,
gint max_len)
{
GParamSpec *param_spec;
GtkWidget *entry;
gchar *value;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
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 ? value : "");
g_free (value);
if (max_len > 0)
gtk_entry_set_max_length (GTK_ENTRY (entry), max_len);
gtk_editable_set_editable (GTK_EDITABLE (entry),
param_spec->flags & G_PARAM_WRITABLE);
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 ? 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);
/**
* gimp_prop_text_buffer_new:
* @config: Object to which property is attached.
* @property_name: Name of string property.
* @max_len: Maximum allowed length of text (in characters).
*
* Creates a #GtkTextBuffer to set and display the value of the
* specified string property. Unless the string is expected to
* contain multiple lines or a large amount of text, use
* gimp_prop_entry_new() instead. See #GtkTextView for information on
* how to insert a text buffer into a visible widget.
*
* If @max_len is 0 or negative, the text buffer allows an unlimited
* number of characters to be entered.
*
* Return value: A new #GtkTextBuffer.
*
* Since GIMP 2.4
*/
GtkTextBuffer *
gimp_prop_text_buffer_new (GObject *config,
const gchar *property_name,
gint max_len)
{
GParamSpec *param_spec;
GtkTextBuffer *text_buffer;
gchar *value;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = check_param_spec_w (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 && g_utf8_strlen (text, -1) > max_len)
{
g_message (dngettext (GETTEXT_PACKAGE "-libgimp",
"This text input field is limited to %d character.",
"This text input field is limited to %d characters.",
max_len), 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 recursively, 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);
}
/***********************/
/* string combo box */
/***********************/
static void gimp_prop_string_combo_box_callback (GtkWidget *widget,
GObject *config);
static void gimp_prop_string_combo_box_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *widget);
/**
* gimp_prop_string_combo_box_new:
* @config: Object to which property is attached.
* @property_name: Name of int property controlled by combo box.
* @model: #GtkTreeStore holding list of values
* @id_column: column in @store that holds string IDs
* @label_column: column in @store that holds labels to use in the combo-box
*
* Creates a #GimpStringComboBox widget to display and set the
* specified property. The contents of the widget are determined by
* @store.
*
* Return value: The newly created #GimpStringComboBox widget.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_string_combo_box_new (GObject *config,
const gchar *property_name,
GtkTreeModel *model,
gint id_column,
gint label_column)
{
GParamSpec *param_spec;
GtkWidget *combo_box;
gchar *value;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
g_return_val_if_fail (GTK_IS_TREE_MODEL (model), NULL);
param_spec = check_param_spec_w (config, property_name,
G_TYPE_PARAM_STRING, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
combo_box = gimp_string_combo_box_new (model, id_column, label_column);
gimp_string_combo_box_set_active (GIMP_STRING_COMBO_BOX (combo_box), value);
g_signal_connect (combo_box, "changed",
G_CALLBACK (gimp_prop_string_combo_box_callback),
config);
set_param_spec (G_OBJECT (combo_box), combo_box, param_spec);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_string_combo_box_notify),
combo_box);
return combo_box;
}
static void
gimp_prop_string_combo_box_callback (GtkWidget *widget,
GObject *config)
{
GParamSpec *param_spec;
gchar *value;
param_spec = get_param_spec (G_OBJECT (widget));
if (! param_spec)
return;
value = gimp_string_combo_box_get_active (GIMP_STRING_COMBO_BOX (widget));
g_object_set (config,
param_spec->name, value,
NULL);
g_free (value);
}
static void
gimp_prop_string_combo_box_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *combo_box)
{
gchar *value;
g_object_get (config,
param_spec->name, &value,
NULL);
g_signal_handlers_block_by_func (combo_box,
gimp_prop_string_combo_box_callback,
config);
gimp_string_combo_box_set_active (GIMP_STRING_COMBO_BOX (combo_box), value);
g_signal_handlers_unblock_by_func (combo_box,
gimp_prop_string_combo_box_callback,
config);
g_free (value);
}
/*************************/
/* file chooser button */
/*************************/
static GtkWidget * gimp_prop_file_chooser_button_setup (GtkWidget *button,
GObject *config,
GParamSpec *param_spec);
static void gimp_prop_file_chooser_button_callback (GtkFileChooser *button,
GObject *config);
static void gimp_prop_file_chooser_button_notify (GObject *config,
GParamSpec *param_spec,
GtkFileChooser *button);
/**
* gimp_prop_file_chooser_button_new:
* @config: object to which property is attached.
* @property_name: name of path property.
* @title: the title of the browse dialog.
* @action: the open mode for the widget.
*
* Creates a #GtkFileChooserButton to edit the specified path property.
*
* Note that #GtkFileChooserButton implements the #GtkFileChooser
* interface; you can use the #GtkFileChooser API with it.
*
* Return value: A new #GtkFileChooserButton.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_file_chooser_button_new (GObject *config,
const gchar *property_name,
const gchar *title,
GtkFileChooserAction action)
{
GParamSpec *param_spec;
GtkWidget *button;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
param_spec = check_param_spec_w (config, property_name,
GIMP_TYPE_PARAM_CONFIG_PATH, G_STRFUNC);
if (! param_spec)
return NULL;
button = gtk_file_chooser_button_new (title, action);
return gimp_prop_file_chooser_button_setup (button, config, param_spec);
}
/**
* gimp_prop_file_chooser_button_new_with_dialog:
* @config: object to which property is attached.
* @property_name: name of path property.
* @dialog: the #GtkFileChooserDialog widget to use.
*
* Creates a #GtkFileChooserButton to edit the specified path property.
*
* The button uses @dialog as it's file-picking window. Note that @dialog
* must be a #GtkFileChooserDialog (or subclass) and must not have
* %GTK_DIALOG_DESTROY_WITH_PARENT set.
*
* Note that #GtkFileChooserButton implements the #GtkFileChooser
* interface; you can use the #GtkFileChooser API with it.
*
* Return value: A new #GtkFileChooserButton.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_file_chooser_button_new_with_dialog (GObject *config,
const gchar *property_name,
GtkWidget *dialog)
{
GParamSpec *param_spec;
GtkWidget *button;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (property_name != NULL, NULL);
g_return_val_if_fail (GTK_IS_FILE_CHOOSER_DIALOG (dialog), NULL);
param_spec = check_param_spec_w (config, property_name,
GIMP_TYPE_PARAM_CONFIG_PATH, G_STRFUNC);
if (! param_spec)
return NULL;
button = gtk_file_chooser_button_new_with_dialog (dialog);
return gimp_prop_file_chooser_button_setup (button, config, param_spec);
}
static GtkWidget *
gimp_prop_file_chooser_button_setup (GtkWidget *button,
GObject *config,
GParamSpec *param_spec)
{
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);
if (filename)
{
gchar *basename = g_path_get_basename (filename);
if (basename && basename[0] == '.')
gtk_file_chooser_set_show_hidden (GTK_FILE_CHOOSER (button), TRUE);
g_free (basename);
gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (button), filename);
g_free (filename);
}
set_param_spec (G_OBJECT (button), button, param_spec);
g_signal_connect (button, "file-set",
G_CALLBACK (gimp_prop_file_chooser_button_callback),
config);
connect_notify (config, param_spec->name,
G_CALLBACK (gimp_prop_file_chooser_button_notify),
button);
return button;
}
static void
gimp_prop_file_chooser_button_callback (GtkFileChooser *button,
GObject *config)
{
GParamSpec *param_spec;
gchar *value;
gchar *utf8;
param_spec = get_param_spec (G_OBJECT (button));
if (! param_spec)
return;
value = gtk_file_chooser_get_filename (button);
utf8 = value ? g_filename_to_utf8 (value, -1, NULL, NULL, NULL) : NULL;
g_free (value);
g_object_get (config,
param_spec->name, &value,
NULL);
if (! (value && utf8 && strcmp (value, utf8) == 0))
{
g_signal_handlers_block_by_func (config,
gimp_prop_file_chooser_button_notify,
button);
g_object_set (config,
param_spec->name, utf8,
NULL);
g_signal_handlers_unblock_by_func (config,
gimp_prop_file_chooser_button_notify,
button);
}
g_free (value);
g_free (utf8);
}
static void
gimp_prop_file_chooser_button_notify (GObject *config,
GParamSpec *param_spec,
GtkFileChooser *button)
{
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 (button,
gimp_prop_file_chooser_button_callback,
config);
if (filename)
gtk_file_chooser_set_filename (button, filename);
else
gtk_file_chooser_unselect_all (button);
g_signal_handlers_unblock_by_func (button,
gimp_prop_file_chooser_button_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;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (path_property_name != NULL, NULL);
path_param_spec = check_param_spec_w (config, path_property_name,
GIMP_TYPE_PARAM_CONFIG_PATH, G_STRFUNC);
if (! path_param_spec)
return NULL;
if (writable_property_name)
{
writable_param_spec = check_param_spec_w (config, writable_property_name,
GIMP_TYPE_PARAM_CONFIG_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 *entry,
GObject *config);
static void gimp_prop_size_entry_notify (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *entry);
static void gimp_prop_size_entry_notify_unit (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *entry);
static gint gimp_prop_size_entry_num_chars (gdouble lower,
gdouble upper);
/**
* gimp_prop_size_entry_new:
* @config: Object to which property is attached.
* @property_name: Name of int or double property.
* @property_is_pixel: When %TRUE, the property value is in pixels,
* and in the selected unit otherwise.
* @unit_property_name: Name of unit property.
* @unit_format: A printf-like unit-format string as is used with
* gimp_unit_menu_new().
* @update_policy: How the automatic pixel <-> real-world-unit
* calculations should be done.
* @resolution: The resolution (in dpi) for the field.
*
* Creates a #GimpSizeEntry to set and display the specified double or
* int property, and its associated unit property. Note that this
* function is only suitable for creating a size entry holding a
* single value. Use gimp_prop_coordinates_new() to create a size
* entry holding two values.
*
* Return value: A new #GimpSizeEntry widget.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_size_entry_new (GObject *config,
const gchar *property_name,
gboolean property_is_pixel,
const gchar *unit_property_name,
const gchar *unit_format,
GimpSizeEntryUpdatePolicy update_policy,
gdouble resolution)
{
GtkWidget *entry;
GParamSpec *param_spec;
GParamSpec *unit_param_spec;
gboolean show_pixels;
gboolean show_percent;
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_w (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_set_int (&value, GIMP_UNIT_PERCENT);
show_percent = (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;
show_percent = FALSE;
}
entry = gimp_size_entry_new (1, unit_value, unit_format,
show_pixels, show_percent, FALSE,
gimp_prop_size_entry_num_chars (lower, upper),
update_policy);
gtk_table_set_col_spacing (GTK_TABLE (entry), 1, 2);
set_param_spec (NULL,
gimp_size_entry_get_help_widget (GIMP_SIZE_ENTRY (entry), 0),
param_spec);
if (unit_param_spec)
set_param_spec (NULL, GIMP_SIZE_ENTRY (entry)->unitmenu, unit_param_spec);
gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (entry), unit_value);
if (update_policy == GIMP_SIZE_ENTRY_UPDATE_SIZE)
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), 0,
resolution, FALSE);
gimp_size_entry_set_value_boundaries (GIMP_SIZE_ENTRY (entry), 0,
lower, upper);
g_object_set_data (G_OBJECT (entry), "value-is-pixel",
GINT_TO_POINTER (property_is_pixel ? TRUE : FALSE));
if (property_is_pixel)
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 0, value);
else
gimp_size_entry_set_value (GIMP_SIZE_ENTRY (entry), 0, value);
g_object_set_data (G_OBJECT (entry), "gimp-config-param-spec",
param_spec);
g_signal_connect (entry, "refval-changed",
G_CALLBACK (gimp_prop_size_entry_callback),
config);
g_signal_connect (entry, "value-changed",
G_CALLBACK (gimp_prop_size_entry_callback),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_size_entry_notify),
entry);
if (unit_property_name)
{
g_object_set_data (G_OBJECT (entry), "gimp-config-param-spec-unit",
unit_param_spec);
g_signal_connect (entry, "unit-changed",
G_CALLBACK (gimp_prop_size_entry_callback),
config);
connect_notify (config, unit_property_name,
G_CALLBACK (gimp_prop_size_entry_notify_unit),
entry);
}
return entry;
}
static void
gimp_prop_size_entry_callback (GimpSizeEntry *entry,
GObject *config)
{
GParamSpec *param_spec;
GParamSpec *unit_param_spec;
gdouble value;
gboolean value_is_pixel;
GimpUnit unit_value;
param_spec = g_object_get_data (G_OBJECT (entry), "gimp-config-param-spec");
if (! param_spec)
return;
unit_param_spec = g_object_get_data (G_OBJECT (entry),
"gimp-config-param-spec-unit");
value_is_pixel = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (entry),
"value-is-pixel"));
if (value_is_pixel)
value = gimp_size_entry_get_refval (entry, 0);
else
value = gimp_size_entry_get_value (entry, 0);
unit_value = gimp_size_entry_get_unit (entry);
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 *entry)
{
gdouble value;
gdouble entry_value;
gboolean value_is_pixel;
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);
}
value_is_pixel = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (entry),
"value-is-pixel"));
if (value_is_pixel)
entry_value = gimp_size_entry_get_refval (entry, 0);
else
entry_value = gimp_size_entry_get_value (entry, 0);
if (value != entry_value)
{
g_signal_handlers_block_by_func (entry,
gimp_prop_size_entry_callback,
config);
if (value_is_pixel)
gimp_size_entry_set_refval (entry, 0, value);
else
gimp_size_entry_set_value (entry, 0, value);
g_signal_handlers_unblock_by_func (entry,
gimp_prop_size_entry_callback,
config);
}
}
static void
gimp_prop_size_entry_notify_unit (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *entry)
{
GimpUnit value;
g_object_get (config,
param_spec->name, &value,
NULL);
if (value != gimp_size_entry_get_unit (entry))
{
g_signal_handlers_block_by_func (entry,
gimp_prop_size_entry_callback,
config);
gimp_size_entry_set_unit (entry, value);
g_signal_handlers_unblock_by_func (entry,
gimp_prop_size_entry_callback,
config);
}
}
static gint
gimp_prop_size_entry_num_chars (gdouble lower,
gdouble upper)
{
gint lower_chars = log (fabs (lower)) / log (10);
gint upper_chars = log (fabs (upper)) / log (10);
if (lower < 0.0)
lower_chars++;
if (upper < 0.0)
upper_chars++;
return MAX (lower_chars, upper_chars);
}
/*****************/
/* coordinates */
/*****************/
static void gimp_prop_coordinates_callback (GimpSizeEntry *entry,
GObject *config);
static void gimp_prop_coordinates_notify_x (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *entry);
static void gimp_prop_coordinates_notify_y (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *entry);
static void gimp_prop_coordinates_notify_unit (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *entry);
/**
* gimp_prop_coordinates_new:
* @config: Object to which property is attached.
* @x_property_name: Name of int or double property for X coordinate.
* @y_property_name: Name of int or double property for Y coordinate.
* @unit_property_name: Name of unit property.
* @unit_format: A printf-like unit-format string as is used with
* gimp_unit_menu_new().
* @update_policy: How the automatic pixel <-> real-world-unit
* calculations should be done.
* @xresolution: The resolution (in dpi) for the X coordinate.
* @yresolution: The resolution (in dpi) for the Y coordinate.
* @has_chainbutton: Whether to add a chainbutton to the size entry.
*
* Creates a #GimpSizeEntry to set and display two double or int
* properties, which will usually represent X and Y coordinates, and
* their associated unit property.
*
* Return value: A new #GimpSizeEntry widget.
*
* Since GIMP 2.4
*/
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 *entry;
GtkWidget *chainbutton = NULL;
entry = 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 (entry), chainbutton, 1, 3, 3, 4);
gtk_widget_show (chainbutton);
}
if (! gimp_prop_coordinates_connect (config,
x_property_name,
y_property_name,
unit_property_name,
entry,
chainbutton,
xresolution,
yresolution))
{
gtk_widget_destroy (entry);
return NULL;
}
return entry;
}
gboolean
gimp_prop_coordinates_connect (GObject *config,
const gchar *x_property_name,
const gchar *y_property_name,
const gchar *unit_property_name,
GtkWidget *entry,
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 (entry), FALSE);
g_return_val_if_fail (GIMP_SIZE_ENTRY (entry)->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_w (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 (entry), 0),
x_param_spec);
set_param_spec (NULL,
gimp_size_entry_get_help_widget (GIMP_SIZE_ENTRY (entry), 1),
y_param_spec);
if (unit_param_spec)
set_param_spec (NULL,
GIMP_SIZE_ENTRY (entry)->unitmenu, unit_param_spec);
gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (entry), unit_value);
switch (GIMP_SIZE_ENTRY (entry)->update_policy)
{
case GIMP_SIZE_ENTRY_UPDATE_SIZE:
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), 0,
xresolution, FALSE);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), 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 (entry), 0,
x_lower, x_upper);
gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (entry), 1,
y_lower, y_upper);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 0, x_value);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 1, y_value);
g_object_set_data (G_OBJECT (entry), "gimp-config-param-spec-x",
x_param_spec);
g_object_set_data (G_OBJECT (entry), "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 (entry), "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 (entry), "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 (entry), "chainbutton", chainbutton);
}
g_signal_connect (entry, "value-changed",
G_CALLBACK (gimp_prop_coordinates_callback),
config);
g_signal_connect (entry, "refval-changed",
G_CALLBACK (gimp_prop_coordinates_callback),
config);
connect_notify (config, x_property_name,
G_CALLBACK (gimp_prop_coordinates_notify_x),
entry);
connect_notify (config, y_property_name,
G_CALLBACK (gimp_prop_coordinates_notify_y),
entry);
if (unit_property_name)
{
g_object_set_data (G_OBJECT (entry), "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 (entry), "old-unit-value",
old_unit_value,
(GDestroyNotify) g_free);
g_signal_connect (entry, "unit-changed",
G_CALLBACK (gimp_prop_coordinates_callback),
config);
connect_notify (config, unit_property_name,
G_CALLBACK (gimp_prop_coordinates_notify_unit),
entry);
}
return TRUE;
}
static void
gimp_prop_coordinates_callback (GimpSizeEntry *entry,
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 (entry),
"gimp-config-param-spec-x");
y_param_spec = g_object_get_data (G_OBJECT (entry),
"gimp-config-param-spec-y");
if (! x_param_spec || ! y_param_spec)
return;
unit_param_spec = g_object_get_data (G_OBJECT (entry),
"gimp-config-param-spec-unit");
x_value = gimp_size_entry_get_refval (entry, 0);
y_value = gimp_size_entry_get_refval (entry, 1);
unit_value = gimp_size_entry_get_unit (entry);
old_x_value = g_object_get_data (G_OBJECT (entry), "old-x-value");
old_y_value = g_object_get_data (G_OBJECT (entry), "old-y-value");
old_unit_value = g_object_get_data (G_OBJECT (entry), "old-unit-value");
if (! old_x_value || ! old_y_value || (unit_param_spec && ! old_unit_value))
return;
/*
* FIXME: if the entry was created using gimp_coordinates_new, then
* the chain button is handled automatically and the following block
* of code is unnecessary (and, in fact, redundant).
*/
if (x_value != y_value)
{
GtkWidget *chainbutton;
chainbutton = g_object_get_data (G_OBJECT (entry), "chainbutton");
if (chainbutton &&
gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (chainbutton)) &&
! g_object_get_data (G_OBJECT (chainbutton), "constrains-ratio"))
{
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 *entry)
{
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 (entry, 0))
{
gdouble *old_x_value = g_object_get_data (G_OBJECT (entry),
"old-x-value");
g_signal_handlers_block_by_func (entry,
gimp_prop_coordinates_callback,
config);
gimp_size_entry_set_refval (entry, 0, value);
if (old_x_value)
*old_x_value = value;
g_signal_emit_by_name (entry, "value-changed",
gimp_size_entry_get_value (entry, 0));
g_signal_handlers_unblock_by_func (entry,
gimp_prop_coordinates_callback,
config);
}
}
static void
gimp_prop_coordinates_notify_y (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *entry)
{
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 (entry, 1))
{
gdouble *old_y_value = g_object_get_data (G_OBJECT (entry),
"old-y-value");
g_signal_handlers_block_by_func (entry,
gimp_prop_coordinates_callback,
config);
gimp_size_entry_set_refval (entry, 1, value);
if (old_y_value)
*old_y_value = value;
g_signal_emit_by_name (entry, "value-changed",
gimp_size_entry_get_value (entry, 1));
g_signal_handlers_unblock_by_func (entry,
gimp_prop_coordinates_callback,
config);
}
}
static void
gimp_prop_coordinates_notify_unit (GObject *config,
GParamSpec *param_spec,
GimpSizeEntry *entry)
{
GimpUnit value;
g_object_get (config,
param_spec->name, &value,
NULL);
if (value != gimp_size_entry_get_unit (entry))
{
g_signal_handlers_block_by_func (entry,
gimp_prop_coordinates_callback,
config);
gimp_size_entry_set_unit (entry, value);
g_signal_handlers_unblock_by_func (entry,
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);
/**
* gimp_prop_color_area_new:
* @config: Object to which property is attached.
* @property_name: Name of RGB property.
* @width: Width of color area.
* @height: Height of color area.
* @type: How transparency is represented.
*
* Creates a #GimpColorArea to set and display the value of an RGB
* property.
*
* Return value: A new #GimpColorArea widget.
*
* Since GIMP 2.4
*/
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_w (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);
}
/***************/
/* 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);
/**
* gimp_prop_unit_menu_new:
* @config: Object to which property is attached.
* @property_name: Name of Unit property.
* @unit_format: A printf-like format string which is used to create
* the unit strings.
*
* Creates a #GimpUnitMenu to set and display the value of a Unit
* property. See gimp_unit_menu_new() for more information.
*
* Return value: A new #GimpUnitMenu widget.
*
* Since GIMP 2.4
*/
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_w (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);
}
/*****************/
/* stock image */
/*****************/
static void gimp_prop_stock_image_notify (GObject *config,
GParamSpec *param_spec,
GtkWidget *image);
/**
* gimp_prop_stock_image_new:
* @config: Object to which property is attached.
* @property_name: Name of string property.
* @icon_size: Size of desired stock image.
*
* Creates a widget to display a stock image representing the value of the
* specified string property, which should encode a Stock ID.
* See gtk_image_new_from_stock() for more information.
*
* Return value: A new #GtkImage widget.
*
* Since GIMP 2.4
*/
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;
GtkIconSize icon_size;
g_object_get (config,
param_spec->name, &stock_id,
NULL);
gtk_image_get_stock (GTK_IMAGE (image), NULL, &icon_size);
gtk_image_set_from_stock (GTK_IMAGE (image), stock_id, icon_size);
if (stock_id)
g_free (stock_id);
}
/**************/
/* expander */
/**************/
static void gimp_prop_expanded_notify (GtkExpander *expander,
GParamSpec *param_spec,
GObject *config);
static void gimp_prop_expander_notify (GObject *config,
GParamSpec *param_spec,
GtkExpander *expander);
/**
* gimp_prop_expander_new:
* @config: Object to which property is attached.
* @property_name: Name of boolean property.
* @label: Label for expander.
*
* Creates a #GtkExpander controlled by the specified boolean property.
* A value of %TRUE for the property corresponds to the expanded state
* for the widget.
*
* Return value: A new #GtkExpander widget.
*
* Since GIMP 2.4
*/
GtkWidget *
gimp_prop_expander_new (GObject *config,
const gchar *property_name,
const gchar *label)
{
GParamSpec *param_spec;
GtkWidget *expander;
gboolean value;
param_spec = check_param_spec_w (config, property_name,
G_TYPE_PARAM_BOOLEAN, G_STRFUNC);
if (! param_spec)
return NULL;
g_object_get (config,
property_name, &value,
NULL);
expander = g_object_new (GTK_TYPE_EXPANDER,
"label", label,
"expanded", value,
NULL);
set_param_spec (G_OBJECT (expander), expander, param_spec);
g_signal_connect (expander, "notify::expanded",
G_CALLBACK (gimp_prop_expanded_notify),
config);
connect_notify (config, property_name,
G_CALLBACK (gimp_prop_expander_notify),
expander);
return expander;
}
static void
gimp_prop_expanded_notify (GtkExpander *expander,
GParamSpec *param_spec,
GObject *config)
{
param_spec = get_param_spec (G_OBJECT (expander));
if (! param_spec)
return;
g_object_set (config,
param_spec->name, gtk_expander_get_expanded (expander),
NULL);
}
static void
gimp_prop_expander_notify (GObject *config,
GParamSpec *param_spec,
GtkExpander *expander)
{
gboolean value;
g_object_get (config,
param_spec->name, &value,
NULL);
if (gtk_expander_get_expanded (expander) != value)
{
g_signal_handlers_block_by_func (expander,
gimp_prop_expanded_notify,
config);
gtk_expander_set_expanded (expander, value);
g_signal_handlers_unblock_by_func (expander,
gimp_prop_expanded_notify,
config);
}
}
/*******************************/
/* private utility functions */
/*******************************/
static GQuark gimp_prop_widgets_param_spec_quark (void) G_GNUC_CONST;
#define PARAM_SPEC_QUARK (gimp_prop_widgets_param_spec_quark ())
static GQuark
gimp_prop_widgets_param_spec_quark (void)
{
static GQuark param_spec_quark = 0;
if (! param_spec_quark)
param_spec_quark = g_quark_from_static_string ("gimp-config-param-spec");
return param_spec_quark;
}
static void
set_param_spec (GObject *object,
GtkWidget *widget,
GParamSpec *param_spec)
{
if (object)
{
g_object_set_qdata (object, PARAM_SPEC_QUARK, param_spec);
}
if (widget)
{
const gchar *blurb = g_param_spec_get_blurb (param_spec);
if (blurb)
{
const gchar *domain;
domain = gimp_type_get_translation_domain (param_spec->owner_type);
gimp_help_set_help_data (widget, dgettext (domain, 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)
{
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 GParamSpec *
check_param_spec_w (GObject *object,
const gchar *property_name,
GType type,
const gchar *strloc)
{
GParamSpec *param_spec;
param_spec = check_param_spec (object, property_name, type, strloc);
if (param_spec &&
(param_spec->flags & G_PARAM_WRITABLE) == 0)
{
g_warning ("%s: property '%s' of %s is writable",
strloc,
param_spec->name,
g_type_name (param_spec->owner_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);
}
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