gboolean
stetic_param_spec_get_default (GParamSpec *pspec, GValue *value)
{
g_value_init (value, pspec->value_type);
if (G_IS_PARAM_SPEC_CHAR (pspec))
g_value_set_char (value, G_PARAM_SPEC_CHAR (pspec)->default_value);
else if (G_IS_PARAM_SPEC_UCHAR (pspec))
g_value_set_uchar (value, G_PARAM_SPEC_UCHAR (pspec)->default_value);
else if (G_IS_PARAM_SPEC_INT (pspec))
g_value_set_int (value, G_PARAM_SPEC_INT (pspec)->default_value);
else if (G_IS_PARAM_SPEC_UINT (pspec))
g_value_set_uint (value, G_PARAM_SPEC_UINT (pspec)->default_value);
else if (G_IS_PARAM_SPEC_LONG (pspec))
g_value_set_long (value, G_PARAM_SPEC_LONG (pspec)->default_value);
else if (G_IS_PARAM_SPEC_ULONG (pspec))
g_value_set_ulong (value, G_PARAM_SPEC_ULONG (pspec)->default_value);
else if (G_IS_PARAM_SPEC_INT64 (pspec))
g_value_set_int64 (value, G_PARAM_SPEC_INT64 (pspec)->default_value);
else if (G_IS_PARAM_SPEC_UINT64 (pspec))
g_value_set_uint64 (value, G_PARAM_SPEC_UINT64 (pspec)->default_value);
else if (G_IS_PARAM_SPEC_FLOAT (pspec))
g_value_set_float (value, G_PARAM_SPEC_FLOAT (pspec)->default_value);
else if (G_IS_PARAM_SPEC_DOUBLE (pspec))
g_value_set_double (value, G_PARAM_SPEC_DOUBLE (pspec)->default_value);
else if (G_IS_PARAM_SPEC_BOOLEAN (pspec))
g_value_set_boolean (value, G_PARAM_SPEC_BOOLEAN (pspec)->default_value);
else if (G_IS_PARAM_SPEC_UNICHAR (pspec))
g_value_set_uint (value, G_PARAM_SPEC_UNICHAR (pspec)->default_value);
else if (G_IS_PARAM_SPEC_STRING (pspec))
g_value_set_static_string (value, G_PARAM_SPEC_STRING (pspec)->default_value);
else
return FALSE;
return TRUE;
}
static GParamSpec *
copy_param_spec(GParamSpec *in, const gchar *name) {
const gchar * blurb = g_param_spec_get_blurb(in);
GParamSpec *out = NULL;
GParamFlags flags = G_PARAM_READWRITE;
// TODO: handle more things
if (G_IS_PARAM_SPEC_FLOAT(in)) {
GParamSpecFloat *f = G_PARAM_SPEC_FLOAT(in);
out = g_param_spec_double(name, name, blurb, f->minimum, f->maximum, f->default_value, flags);
} else if (G_IS_PARAM_SPEC_DOUBLE(in)) {
GParamSpecDouble *d = G_PARAM_SPEC_DOUBLE(in);
out = g_param_spec_double(name, name, blurb, d->minimum, d->maximum, d->default_value, flags);
} else if (G_IS_PARAM_SPEC_INT(in)) {
GParamSpecInt *i = G_PARAM_SPEC_INT(in);
out = g_param_spec_int(name, name, blurb, i->minimum, i->maximum, i->default_value, flags);
} else if (G_IS_PARAM_SPEC_UINT(in)) {
GParamSpecUInt *u = G_PARAM_SPEC_UINT(in);
out = g_param_spec_int(name, name, blurb, u->minimum, u->maximum, u->default_value, flags);
} else if (G_IS_PARAM_SPEC_LONG(in)) {
GParamSpecLong *l = G_PARAM_SPEC_LONG(in);
out = g_param_spec_int(name, name, blurb, l->minimum, l->maximum, l->default_value, flags);
} else if (GEGL_IS_PARAM_SPEC_COLOR(in)) {
GeglColor *default_value = gegl_param_spec_color_get_default(in);
out = gegl_param_spec_color(name, name, blurb, default_value, flags);
} else {
g_critical("json: Unknown param spec type for property %s", g_param_spec_get_nick(in));
}
return out;
}
gboolean
stetic_param_spec_get_maximum (GParamSpec *pspec, GValue *value)
{
g_value_init (value, pspec->value_type);
if (G_IS_PARAM_SPEC_CHAR (pspec))
g_value_set_char (value, G_PARAM_SPEC_CHAR (pspec)->maximum);
else if (G_IS_PARAM_SPEC_UCHAR (pspec))
g_value_set_uchar (value, G_PARAM_SPEC_UCHAR (pspec)->maximum);
else if (G_IS_PARAM_SPEC_INT (pspec))
g_value_set_int (value, G_PARAM_SPEC_INT (pspec)->maximum);
else if (G_IS_PARAM_SPEC_UINT (pspec))
g_value_set_uint (value, G_PARAM_SPEC_UINT (pspec)->maximum);
else if (G_IS_PARAM_SPEC_LONG (pspec))
g_value_set_long (value, G_PARAM_SPEC_LONG (pspec)->maximum);
else if (G_IS_PARAM_SPEC_ULONG (pspec))
g_value_set_ulong (value, G_PARAM_SPEC_ULONG (pspec)->maximum);
else if (G_IS_PARAM_SPEC_INT64 (pspec))
g_value_set_int64 (value, G_PARAM_SPEC_INT64 (pspec)->maximum);
else if (G_IS_PARAM_SPEC_UINT64 (pspec))
g_value_set_uint64 (value, G_PARAM_SPEC_UINT64 (pspec)->maximum);
else if (G_IS_PARAM_SPEC_FLOAT (pspec))
g_value_set_float (value, G_PARAM_SPEC_FLOAT (pspec)->maximum);
else if (G_IS_PARAM_SPEC_DOUBLE (pspec))
g_value_set_double (value, G_PARAM_SPEC_DOUBLE (pspec)->maximum);
else
return FALSE;
return TRUE;
}
static gpointer
qof_gobject_getter (gpointer data, QofParam *getter)
{
GObject *gob = data;
const char *str;
GParamSpec *gps = getter->param_userdata;
/* Note that the return type must actually be of type
* getter->param_type but we just follow the hard-coded
* mapping below ... */
if (G_IS_PARAM_SPEC_STRING(gps))
{
GValue gval = {G_TYPE_INVALID};
g_value_init (&gval, G_TYPE_STRING);
g_object_get_property (gob, getter->param_name, &gval);
str = g_value_get_string (&gval);
return (gpointer) str;
}
else if (G_IS_PARAM_SPEC_INT(gps))
{
long ival;
GValue gval = {G_TYPE_INVALID};
g_value_init (&gval, G_TYPE_INT);
g_object_get_property (gob, getter->param_name, &gval);
ival = g_value_get_int (&gval);
return (gpointer) ival;
}
else if (G_IS_PARAM_SPEC_UINT(gps))
{
long ival;
GValue gval = {G_TYPE_INVALID};
g_value_init (&gval, G_TYPE_UINT);
g_object_get_property (gob, getter->param_name, &gval);
ival = g_value_get_uint (&gval);
return (gpointer) ival;
}
else if (G_IS_PARAM_SPEC_BOOLEAN(gps))
{
gboolean ival;
GValue gval = {G_TYPE_INVALID};
g_value_init (&gval, G_TYPE_BOOLEAN);
g_object_get_property (gob, getter->param_name, &gval);
ival = g_value_get_boolean (&gval);
return GINT_TO_POINTER( ival);
}
PWARN ("unhandled parameter type %s for paramter %s",
G_PARAM_SPEC_TYPE_NAME(gps), getter->param_name);
return NULL;
}
unsigned int QtCamIso::defaultValue() {
GParamSpec *p = d_ptr->paramSpec();
if (p && G_IS_PARAM_SPEC_UINT(p)) {
return G_PARAM_SPEC_UINT(p)->default_value;
}
return 0;
}
unsigned int QtCamIso::maximumValue() {
GParamSpec *p = d_ptr->paramSpec();
if (p && G_IS_PARAM_SPEC_UINT(p)) {
return G_PARAM_SPEC_UINT(p)->maximum;
}
return 0;
}
static void
parasite_property_cell_renderer_stop_editing(GtkCellEditable *editable,
GtkCellRenderer *renderer)
{
GObject *object;
const char *name;
GValue gvalue = {0};
GParamSpec *prop;
object = g_object_get_data(G_OBJECT(editable), "_prop_object");
name = g_object_get_data(G_OBJECT(editable), "_prop_name");
prop = g_object_class_find_property(G_OBJECT_GET_CLASS(object), name);
g_value_init(&gvalue, prop->value_type);
if (GTK_IS_ENTRY(editable))
{
gboolean canceled = GTK_ENTRY(editable)->editing_canceled;
gtk_cell_renderer_stop_editing(renderer, canceled);
if (canceled)
return;
if (GTK_IS_SPIN_BUTTON(editable))
{
double value =
g_ascii_strtod(gtk_entry_get_text(GTK_ENTRY(editable)), NULL);
if (G_IS_PARAM_SPEC_INT(prop))
g_value_set_int(&gvalue, (gint)value);
else if G_IS_PARAM_SPEC_UINT(prop)
g_value_set_uint(&gvalue, (guint)value);
else if G_IS_PARAM_SPEC_INT64(prop)
g_value_set_int64(&gvalue, (gint64)value);
else if G_IS_PARAM_SPEC_UINT64(prop)
g_value_set_uint64(&gvalue, (guint64)value);
else if G_IS_PARAM_SPEC_LONG(prop)
GtkWidget *
gimp_prop_table_new (GObject *config,
GType owner_type,
GimpContext *context,
GimpCreatePickerFunc create_picker_func,
gpointer picker_creator)
{
GtkWidget *table;
GtkSizeGroup *size_group;
GParamSpec **param_specs;
guint n_param_specs;
gint i;
gint row = 0;
GParamSpec *last_pspec = NULL;
GtkAdjustment *last_x_adj = NULL;
gint last_x_row = 0;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (context == NULL || GIMP_IS_CONTEXT (context), NULL);
param_specs = g_object_class_list_properties (G_OBJECT_GET_CLASS (config),
&n_param_specs);
size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
table = gtk_table_new (3, 1, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
for (i = 0; i < n_param_specs; i++)
{
GParamSpec *pspec = param_specs[i];
GtkWidget *widget = NULL;
const gchar *label = NULL;
/* ignore properties of parent classes of owner_type */
if (! g_type_is_a (pspec->owner_type, owner_type))
continue;
if (G_IS_PARAM_SPEC_STRING (pspec))
{
static GQuark multiline_quark = 0;
if (! multiline_quark)
multiline_quark = g_quark_from_static_string ("multiline");
if (GIMP_IS_PARAM_SPEC_CONFIG_PATH (pspec))
{
widget = gimp_prop_file_chooser_button_new (config,
pspec->name,
g_param_spec_get_nick (pspec),
GTK_FILE_CHOOSER_ACTION_OPEN);
}
else if (g_param_spec_get_qdata (pspec, multiline_quark))
{
GtkTextBuffer *buffer;
GtkWidget *view;
buffer = gimp_prop_text_buffer_new (config, pspec->name, -1);
view = gtk_text_view_new_with_buffer (buffer);
widget = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (widget),
GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (widget), view);
gtk_widget_show (view);
}
else
{
widget = gimp_prop_entry_new (config, pspec->name, -1);
}
label = g_param_spec_get_nick (pspec);
}
else if (G_IS_PARAM_SPEC_BOOLEAN (pspec))
{
widget = gimp_prop_check_button_new (config, pspec->name,
g_param_spec_get_nick (pspec));
}
else if (G_IS_PARAM_SPEC_ENUM (pspec))
{
widget = gimp_prop_enum_combo_box_new (config, pspec->name, 0, 0);
gimp_int_combo_box_set_label (GIMP_INT_COMBO_BOX (widget),
g_param_spec_get_nick (pspec));
}
else if (GEGL_IS_PARAM_SPEC_SEED (pspec))
{
GtkAdjustment *adj;
GtkWidget *scale;
GtkWidget *button;
widget = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
scale = gimp_prop_spin_scale_new (config, pspec->name,
g_param_spec_get_nick (pspec),
1.0, 10.0, 0);
gtk_box_pack_start (GTK_BOX (widget), scale, TRUE, TRUE, 0);
gtk_widget_show (scale);
button = gtk_button_new_with_label (_("New Seed"));
gtk_box_pack_start (GTK_BOX (widget), button, FALSE, FALSE, 0);
gtk_widget_show (button);
adj = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (scale));
g_signal_connect (button, "clicked",
G_CALLBACK (gimp_prop_table_new_seed_clicked),
adj);
}
else if (G_IS_PARAM_SPEC_INT (pspec) ||
G_IS_PARAM_SPEC_UINT (pspec) ||
G_IS_PARAM_SPEC_FLOAT (pspec) ||
G_IS_PARAM_SPEC_DOUBLE (pspec))
{
GtkAdjustment *adj;
gdouble value;
gdouble lower;
gdouble upper;
gdouble step = 1.0;
gdouble page = 10.0;
gint digits = (G_IS_PARAM_SPEC_FLOAT (pspec) ||
G_IS_PARAM_SPEC_DOUBLE (pspec)) ? 2 : 0;
if (GEGL_IS_PARAM_SPEC_DOUBLE (pspec))
{
GeglParamSpecDouble *gspec = GEGL_PARAM_SPEC_DOUBLE (pspec);
lower = gspec->ui_minimum;
upper = gspec->ui_maximum;
}
else if (GEGL_IS_PARAM_SPEC_INT (pspec))
{
GeglParamSpecInt *gspec = GEGL_PARAM_SPEC_INT (pspec);
lower = gspec->ui_minimum;
upper = gspec->ui_maximum;
}
else
{
_gimp_prop_widgets_get_numeric_values (config, pspec,
&value, &lower, &upper,
G_STRFUNC);
}
if ((upper - lower < 10.0) &&
(G_IS_PARAM_SPEC_FLOAT (pspec) ||
G_IS_PARAM_SPEC_DOUBLE (pspec)))
{
step = 0.1;
page = 1.0;
digits = 3;
}
widget = gimp_prop_spin_scale_new (config, pspec->name,
g_param_spec_get_nick (pspec),
step, page, digits);
adj = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (widget));
if (g_str_has_suffix (pspec->name, "x") ||
g_str_has_suffix (pspec->name, "width"))
{
last_pspec = pspec;
last_x_adj = adj;
last_x_row = row;
}
else if ((g_str_has_suffix (pspec->name, "y") ||
g_str_has_suffix (pspec->name, "height")) &&
last_pspec != NULL &&
last_x_adj != NULL &&
last_x_row == row - 1)
{
GtkWidget *chain = gimp_chain_button_new (GIMP_CHAIN_RIGHT);
gtk_table_attach (GTK_TABLE (table), chain,
3, 4, last_x_row, row + 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL,
0, 0);
gtk_widget_show (chain);
if (gtk_adjustment_get_value (last_x_adj) ==
gtk_adjustment_get_value (adj))
{
GBinding *binding;
gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chain), TRUE);
binding = g_object_bind_property (last_x_adj, "value",
adj, "value",
G_BINDING_BIDIRECTIONAL);
g_object_set_data (G_OBJECT (chain), "binding", binding);
}
g_signal_connect (chain, "toggled",
G_CALLBACK (gimp_prop_table_chain_toggled),
last_x_adj);
g_object_set_data (G_OBJECT (last_x_adj), "y-adjustment", adj);
if (create_picker_func)
{
GtkWidget *button;
gchar *pspec_name;
pspec_name = g_strconcat (last_pspec->name, ":",
pspec->name, NULL);
button = create_picker_func (picker_creator,
pspec_name,
GIMP_STOCK_CURSOR,
_("Pick coordinates from the image"));
gtk_table_attach (GTK_TABLE (table), button,
4, 5, last_x_row, row + 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL,
0, 0);
gtk_widget_show (button);
g_object_weak_ref (G_OBJECT (button),
(GWeakNotify) g_free, pspec_name);
}
}
}
else if (GIMP_IS_PARAM_SPEC_RGB (pspec))
{
GtkWidget *button;
widget = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
button = gimp_prop_color_button_new (config, pspec->name,
g_param_spec_get_nick (pspec),
128, 24,
GIMP_COLOR_AREA_SMALL_CHECKS);
gimp_color_button_set_update (GIMP_COLOR_BUTTON (button), TRUE);
gimp_color_panel_set_context (GIMP_COLOR_PANEL (button), context);
gtk_box_pack_start (GTK_BOX (widget), button, TRUE, TRUE, 0);
gtk_widget_show (button);
if (create_picker_func)
{
button = create_picker_func (picker_creator,
pspec->name,
GIMP_STOCK_COLOR_PICKER_GRAY,
_("Pick color from the image"));
gtk_box_pack_start (GTK_BOX (widget), button, FALSE, FALSE, 0);
gtk_widget_show (button);
}
label = g_param_spec_get_nick (pspec);
}
else
{
g_warning ("%s: not supported: %s (%s)\n", G_STRFUNC,
g_type_name (G_TYPE_FROM_INSTANCE (pspec)), pspec->name);
}
if (widget)
{
if (label)
{
gimp_table_attach_aligned (GTK_TABLE (table), 0, row,
label, 0.0, 0.5,
widget, 2, FALSE);
}
else
{
gtk_table_attach_defaults (GTK_TABLE (table), widget,
0, 3, row, row + 1);
gtk_widget_show (widget);
}
row++;
}
}
g_object_unref (size_group);
g_free (param_specs);
return table;
}
GtkWidget *
gimp_prop_widget_new_from_pspec (GObject *config,
GParamSpec *pspec,
GimpContext *context,
GimpCreatePickerFunc create_picker_func,
gpointer picker_creator,
const gchar **label)
{
GtkWidget *widget = NULL;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (pspec != NULL, NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (label != NULL, NULL);
*label = NULL;
if (GEGL_IS_PARAM_SPEC_SEED (pspec))
{
GtkAdjustment *adj;
GtkWidget *spin;
GtkWidget *button;
widget = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
spin = gimp_prop_spin_button_new (config, pspec->name,
1.0, 10.0, 0);
gtk_box_pack_start (GTK_BOX (widget), spin, TRUE, TRUE, 0);
gtk_widget_show (spin);
button = gtk_button_new_with_label (_("New Seed"));
gtk_box_pack_start (GTK_BOX (widget), button, FALSE, FALSE, 0);
gtk_widget_show (button);
adj = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spin));
g_signal_connect (button, "clicked",
G_CALLBACK (gimp_prop_widget_new_seed_clicked),
adj);
*label = g_param_spec_get_nick (pspec);
}
else if (G_IS_PARAM_SPEC_INT (pspec) ||
G_IS_PARAM_SPEC_UINT (pspec) ||
G_IS_PARAM_SPEC_FLOAT (pspec) ||
G_IS_PARAM_SPEC_DOUBLE (pspec))
{
gdouble lower;
gdouble upper;
gdouble step;
gdouble page;
gint digits;
if (GEGL_IS_PARAM_SPEC_DOUBLE (pspec))
{
GeglParamSpecDouble *gspec = GEGL_PARAM_SPEC_DOUBLE (pspec);
lower = gspec->ui_minimum;
upper = gspec->ui_maximum;
step = gspec->ui_step_small;
page = gspec->ui_step_big;
digits = gspec->ui_digits;
}
else if (GEGL_IS_PARAM_SPEC_INT (pspec))
{
GeglParamSpecInt *gspec = GEGL_PARAM_SPEC_INT (pspec);
lower = gspec->ui_minimum;
upper = gspec->ui_maximum;
step = gspec->ui_step_small;
page = gspec->ui_step_big;
digits = 0;
}
else
{
gdouble value;
_gimp_prop_widgets_get_numeric_values (config, pspec,
&value, &lower, &upper,
G_STRFUNC);
if ((upper - lower <= 1.0) &&
(G_IS_PARAM_SPEC_FLOAT (pspec) ||
G_IS_PARAM_SPEC_DOUBLE (pspec)))
{
step = 0.01;
page = 0.1;
digits = 4;
}
else if ((upper - lower <= 10.0) &&
(G_IS_PARAM_SPEC_FLOAT (pspec) ||
G_IS_PARAM_SPEC_DOUBLE (pspec)))
{
step = 0.1;
page = 1.0;
digits = 3;
}
else
{
step = 1.0;
page = 10.0;
digits = (G_IS_PARAM_SPEC_FLOAT (pspec) ||
G_IS_PARAM_SPEC_DOUBLE (pspec)) ? 2 : 0;
}
}
widget = gimp_prop_spin_scale_new (config, pspec->name, NULL,
step, page, digits);
if (HAS_KEY (pspec, "unit", "degree") &&
(upper - lower) == 360.0)
{
GtkWidget *hbox;
GtkWidget *dial;
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (widget), TRUE);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
gtk_widget_show (widget);
dial = gimp_prop_angle_dial_new (config, pspec->name);
gtk_box_pack_start (GTK_BOX (hbox), dial, FALSE, FALSE, 0);
gtk_widget_show (dial);
widget = hbox;
}
else if (HAS_KEY (pspec, "unit", "kelvin"))
{
GtkWidget *hbox;
GtkWidget *button;
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
gtk_widget_show (widget);
button = gimp_prop_kelvin_presets_new (config, pspec->name);
gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
widget = hbox;
}
}
else if (G_IS_PARAM_SPEC_STRING (pspec))
{
static GQuark multiline_quark = 0;
if (! multiline_quark)
multiline_quark = g_quark_from_static_string ("multiline");
if (GIMP_IS_PARAM_SPEC_CONFIG_PATH (pspec))
{
widget =
gimp_prop_file_chooser_button_new (config, pspec->name,
g_param_spec_get_nick (pspec),
GTK_FILE_CHOOSER_ACTION_OPEN);
}
else if (g_param_spec_get_qdata (pspec, multiline_quark))
{
GtkTextBuffer *buffer;
GtkWidget *view;
buffer = gimp_prop_text_buffer_new (config, pspec->name, -1);
view = gtk_text_view_new_with_buffer (buffer);
g_object_unref (buffer);
widget = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (widget),
GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (widget), view);
gtk_widget_show (view);
}
else
{
widget = gimp_prop_entry_new (config, pspec->name, -1);
}
*label = g_param_spec_get_nick (pspec);
}
else if (G_IS_PARAM_SPEC_BOOLEAN (pspec))
{
widget = gimp_prop_check_button_new (config, pspec->name,
g_param_spec_get_nick (pspec));
}
else if (G_IS_PARAM_SPEC_ENUM (pspec))
{
widget = gimp_prop_enum_combo_box_new (config, pspec->name, 0, 0);
gimp_int_combo_box_set_label (GIMP_INT_COMBO_BOX (widget),
g_param_spec_get_nick (pspec));
}
else if (GIMP_IS_PARAM_SPEC_RGB (pspec))
{
GtkWidget *button;
widget = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
button = gimp_prop_color_button_new (config, pspec->name,
g_param_spec_get_nick (pspec),
128, 24,
GIMP_COLOR_AREA_SMALL_CHECKS);
gimp_color_button_set_update (GIMP_COLOR_BUTTON (button), TRUE);
gimp_color_panel_set_context (GIMP_COLOR_PANEL (button), context);
gtk_box_pack_start (GTK_BOX (widget), button, TRUE, TRUE, 0);
gtk_widget_show (button);
if (create_picker_func)
{
button = create_picker_func (picker_creator,
pspec->name,
GIMP_STOCK_COLOR_PICKER_GRAY,
_("Pick color from the image"));
gtk_box_pack_start (GTK_BOX (widget), button, FALSE, FALSE, 0);
gtk_widget_show (button);
}
*label = g_param_spec_get_nick (pspec);
}
else
{
g_warning ("%s: not supported: %s (%s)\n", G_STRFUNC,
g_type_name (G_TYPE_FROM_INSTANCE (pspec)), pspec->name);
}
return widget;
}
/* XXX Historical note, originally I tried (ab)using override properties
* in ESourceCamel, which redirected to the equivalent CamelSettings
* property. Seemed to work at first, and I was proud of my clever
* hack, but it turns out g_object_class_list_properties() excludes
* override properties. So the ESourceCamel properties were being
* skipped in source_load_from_key_file() (e-source.c). */
static GParamSpec *
param_spec_clone (GParamSpec *pspec)
{
GParamSpec *clone;
GParamFlags flags;
const gchar *name, *nick, *blurb;
name = g_param_spec_get_name (pspec);
nick = g_param_spec_get_nick (pspec);
blurb = g_param_spec_get_blurb (pspec);
flags = (pspec->flags & ~(G_PARAM_STATIC_STRINGS));
if (G_IS_PARAM_SPEC_BOOLEAN (pspec)) {
GParamSpecBoolean *pspec_boolean = G_PARAM_SPEC_BOOLEAN (pspec);
clone = g_param_spec_boolean (name, nick, blurb,
pspec_boolean->default_value,
flags);
} else if (G_IS_PARAM_SPEC_CHAR (pspec)) {
GParamSpecChar *pspec_char = G_PARAM_SPEC_CHAR (pspec);
clone = g_param_spec_char (name, nick, blurb,
pspec_char->minimum,
pspec_char->maximum,
pspec_char->default_value,
flags);
} else if (G_IS_PARAM_SPEC_UCHAR (pspec)) {
GParamSpecUChar *pspec_uchar = G_PARAM_SPEC_UCHAR (pspec);
clone = g_param_spec_uchar (name, nick, blurb,
pspec_uchar->minimum,
pspec_uchar->maximum,
pspec_uchar->default_value,
flags);
} else if (G_IS_PARAM_SPEC_INT (pspec)) {
GParamSpecInt *pspec_int = G_PARAM_SPEC_INT (pspec);
clone = g_param_spec_int (name, nick, blurb,
pspec_int->minimum,
pspec_int->maximum,
pspec_int->default_value,
flags);
} else if (G_IS_PARAM_SPEC_UINT (pspec)) {
GParamSpecUInt *pspec_uint = G_PARAM_SPEC_UINT (pspec);
clone = g_param_spec_uint (name, nick, blurb,
pspec_uint->minimum,
pspec_uint->maximum,
pspec_uint->default_value,
flags);
} else if (G_IS_PARAM_SPEC_LONG (pspec)) {
GParamSpecLong *pspec_long = G_PARAM_SPEC_LONG (pspec);
clone = g_param_spec_long (name, nick, blurb,
pspec_long->minimum,
pspec_long->maximum,
pspec_long->default_value,
flags);
} else if (G_IS_PARAM_SPEC_ULONG (pspec)) {
GParamSpecULong *pspec_ulong = G_PARAM_SPEC_ULONG (pspec);
clone = g_param_spec_ulong (name, nick, blurb,
pspec_ulong->minimum,
pspec_ulong->maximum,
pspec_ulong->default_value,
flags);
} else if (G_IS_PARAM_SPEC_INT64 (pspec)) {
GParamSpecInt64 *pspec_int64 = G_PARAM_SPEC_INT64 (pspec);
clone = g_param_spec_int64 (name, nick, blurb,
pspec_int64->minimum,
pspec_int64->maximum,
pspec_int64->default_value,
flags);
} else if (G_IS_PARAM_SPEC_UINT64 (pspec)) {
GParamSpecUInt64 *pspec_uint64 = G_PARAM_SPEC_UINT64 (pspec);
clone = g_param_spec_uint64 (name, nick, blurb,
pspec_uint64->minimum,
pspec_uint64->maximum,
pspec_uint64->default_value,
flags);
} else if (G_IS_PARAM_SPEC_FLOAT (pspec)) {
GParamSpecFloat *pspec_float = G_PARAM_SPEC_FLOAT (pspec);
clone = g_param_spec_float (name, nick, blurb,
pspec_float->minimum,
pspec_float->maximum,
pspec_float->default_value,
flags);
} else if (G_IS_PARAM_SPEC_DOUBLE (pspec)) {
GParamSpecDouble *pspec_double = G_PARAM_SPEC_DOUBLE (pspec);
clone = g_param_spec_double (name, nick, blurb,
pspec_double->minimum,
pspec_double->maximum,
pspec_double->default_value,
flags);
} else if (G_IS_PARAM_SPEC_ENUM (pspec)) {
GParamSpecEnum *pspec_enum = G_PARAM_SPEC_ENUM (pspec);
clone = g_param_spec_enum (name, nick, blurb,
pspec->value_type,
pspec_enum->default_value,
flags);
} else if (G_IS_PARAM_SPEC_FLAGS (pspec)) {
GParamSpecFlags *pspec_flags = G_PARAM_SPEC_FLAGS (pspec);
clone = g_param_spec_flags (name, nick, blurb,
pspec->value_type,
pspec_flags->default_value,
flags);
} else if (G_IS_PARAM_SPEC_STRING (pspec)) {
GParamSpecString *pspec_string = G_PARAM_SPEC_STRING (pspec);
clone = g_param_spec_string (name, nick, blurb,
pspec_string->default_value,
flags);
} else if (G_IS_PARAM_SPEC_PARAM (pspec)) {
clone = g_param_spec_param (name, nick, blurb,
pspec->value_type,
flags);
} else if (G_IS_PARAM_SPEC_BOXED (pspec)) {
clone = g_param_spec_boxed (name, nick, blurb,
pspec->value_type,
flags);
} else if (G_IS_PARAM_SPEC_POINTER (pspec)) {
clone = g_param_spec_pointer (name, nick, blurb, flags);
} else if (G_IS_PARAM_SPEC_OBJECT (pspec)) {
clone = g_param_spec_object (name, nick, blurb,
pspec->value_type,
flags);
} else if (G_IS_PARAM_SPEC_UNICHAR (pspec)) {
GParamSpecUnichar *pspec_unichar = G_PARAM_SPEC_UNICHAR (pspec);
clone = g_param_spec_unichar (name, nick, blurb,
pspec_unichar->default_value,
flags);
} else if (G_IS_PARAM_SPEC_GTYPE (pspec)) {
GParamSpecGType *pspec_gtype = G_PARAM_SPEC_GTYPE (pspec);
clone = g_param_spec_gtype (name, nick, blurb,
pspec_gtype->is_a_type,
flags);
} else if (G_IS_PARAM_SPEC_VARIANT (pspec)) {
GParamSpecVariant *pspec_variant = G_PARAM_SPEC_VARIANT (pspec);
clone = g_param_spec_variant (name, nick, blurb,
pspec_variant->type,
pspec_variant->default_value,
flags);
} else {
g_warn_if_reached ();
}
return clone;
}
/* --- test functions --- */
static void
pspec_select_value (GParamSpec *pspec,
GValue *value,
double dvalue)
{
/* generate a value suitable for pspec */
if (G_IS_PARAM_SPEC_CHAR (pspec))
ASSIGN_VALUE (g_value_set_char, value, GParamSpecChar*, pspec, default_value, minimum, maximum, dvalue);
else if (G_IS_PARAM_SPEC_UCHAR (pspec))
ASSIGN_VALUE (g_value_set_uchar, value, GParamSpecUChar*, pspec, default_value, minimum, maximum, dvalue);
else if (G_IS_PARAM_SPEC_INT (pspec))
ASSIGN_VALUE (g_value_set_int, value, GParamSpecInt*, pspec, default_value, minimum, maximum, dvalue);
else if (G_IS_PARAM_SPEC_UINT (pspec))
ASSIGN_VALUE (g_value_set_uint, value, GParamSpecUInt*, pspec, default_value, minimum, maximum, dvalue);
else if (G_IS_PARAM_SPEC_LONG (pspec))
ASSIGN_VALUE (g_value_set_long, value, GParamSpecLong*, pspec, default_value, minimum, maximum, dvalue);
else if (G_IS_PARAM_SPEC_ULONG (pspec))
ASSIGN_VALUE (g_value_set_ulong, value, GParamSpecULong*, pspec, default_value, minimum, maximum, dvalue);
else if (G_IS_PARAM_SPEC_INT64 (pspec))
ASSIGN_VALUE (g_value_set_int64, value, GParamSpecInt64*, pspec, default_value, minimum, maximum, dvalue);
else if (G_IS_PARAM_SPEC_UINT64 (pspec))
ASSIGN_VALUE (g_value_set_uint64, value, GParamSpecUInt64*, pspec, default_value, minimum, maximum, dvalue);
else if (G_IS_PARAM_SPEC_FLOAT (pspec))
ASSIGN_VALUE (g_value_set_float, value, GParamSpecFloat*, pspec, default_value, minimum, maximum, dvalue);
else if (G_IS_PARAM_SPEC_DOUBLE (pspec))
ASSIGN_VALUE (g_value_set_double, value, GParamSpecDouble*, pspec, default_value, minimum, maximum, dvalue);
else if (G_IS_PARAM_SPEC_BOOLEAN (pspec))
g_value_set_boolean (value, SELECT_VALUE (dvalue, ((GParamSpecBoolean*) pspec)->default_value, FALSE, TRUE));
else if (G_IS_PARAM_SPEC_UNICHAR (pspec))
g_value_set_uint (value, SELECT_VALUE (dvalue, ((GParamSpecUnichar*) pspec)->default_value, FALSE, TRUE));
else if (G_IS_PARAM_SPEC_GTYPE (pspec))
g_value_set_gtype (value, SELECT_VALUE ((int) dvalue, ((GParamSpecGType*) pspec)->is_a_type, 0, GTK_TYPE_WIDGET));
else if (G_IS_PARAM_SPEC_STRING (pspec))
{
GParamSpecString *sspec = (GParamSpecString*) pspec;
if (dvalue >= +2)
g_value_set_string (value, sspec->default_value);
if (dvalue > 0 && sspec->cset_first && sspec->cset_nth)
g_value_take_string (value, g_strdup_printf ("%c%c", sspec->cset_first[0], sspec->cset_nth[0]));
else /* if (sspec->ensure_non_null) */
g_value_set_string (value, "");
}
else if (G_IS_PARAM_SPEC_ENUM (pspec))
{
GParamSpecEnum *espec = (GParamSpecEnum*) pspec;
if (dvalue >= +2)
g_value_set_enum (value, espec->default_value);
if (dvalue >= 0 && dvalue <= 1)
g_value_set_enum (value, espec->enum_class->values[(int) ((espec->enum_class->n_values - 1) * dvalue)].value);
else if (dvalue <= -1)
g_value_set_enum (value, espec->enum_class->values[g_test_rand_int_range (0, espec->enum_class->n_values)].value);
}
else if (G_IS_PARAM_SPEC_FLAGS (pspec))
{
GParamSpecFlags *fspec = (GParamSpecFlags*) pspec;
if (dvalue >= +2)
g_value_set_flags (value, fspec->default_value);
if (dvalue >= 0 && dvalue <= 1)
g_value_set_flags (value, fspec->flags_class->values[(int) ((fspec->flags_class->n_values - 1) * dvalue)].value);
else if (dvalue <= -1)
g_value_set_flags (value, fspec->flags_class->values[g_test_rand_int_range (0, fspec->flags_class->n_values)].value);
}
/* unimplemented:
* G_IS_PARAM_SPEC_PARAM
* G_IS_PARAM_SPEC_BOXED
* G_IS_PARAM_SPEC_POINTER
* G_IS_PARAM_SPEC_VALUE_ARRAY
* G_IS_PARAM_SPEC_OBJECT
*/
}
GParamSpec *
gimp_param_spec_duplicate (GParamSpec *pspec)
{
GParamSpec *copy = NULL;
GParamFlags flags;
g_return_val_if_fail (pspec != NULL, NULL);
flags = pspec->flags | GIMP_CONFIG_PARAM_SERIALIZE;
if (G_IS_PARAM_SPEC_STRING (pspec))
{
GParamSpecString *spec = G_PARAM_SPEC_STRING (pspec);
if (GEGL_IS_PARAM_SPEC_FILE_PATH (pspec))
{
copy = gimp_param_spec_config_path (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
GIMP_CONFIG_PATH_FILE,
spec->default_value,
flags);
}
else
{
static GQuark multiline_quark = 0;
if (! multiline_quark)
multiline_quark = g_quark_from_static_string ("multiline");
copy = g_param_spec_string (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->default_value,
flags);
if (GEGL_IS_PARAM_SPEC_MULTILINE (pspec))
{
g_param_spec_set_qdata (copy, multiline_quark,
GINT_TO_POINTER (TRUE));
}
}
}
else if (G_IS_PARAM_SPEC_BOOLEAN (pspec))
{
GParamSpecBoolean *spec = G_PARAM_SPEC_BOOLEAN (pspec);
copy = g_param_spec_boolean (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->default_value,
flags);
}
else if (G_IS_PARAM_SPEC_ENUM (pspec))
{
GParamSpecEnum *spec = G_PARAM_SPEC_ENUM (pspec);
copy = g_param_spec_enum (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
G_TYPE_FROM_CLASS (spec->enum_class),
spec->default_value,
flags);
}
else if (GEGL_IS_PARAM_SPEC_DOUBLE (pspec))
{
GeglParamSpecDouble *gspec = GEGL_PARAM_SPEC_DOUBLE (pspec);
GParamSpecDouble *spec = G_PARAM_SPEC_DOUBLE (pspec);
copy = gegl_param_spec_double (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->minimum,
spec->maximum,
spec->default_value,
gspec->ui_minimum,
gspec->ui_maximum,
gspec->ui_gamma,
flags);
}
else if (G_IS_PARAM_SPEC_DOUBLE (pspec))
{
GParamSpecDouble *spec = G_PARAM_SPEC_DOUBLE (pspec);
copy = g_param_spec_double (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->minimum,
spec->maximum,
spec->default_value,
flags);
}
else if (G_IS_PARAM_SPEC_FLOAT (pspec))
{
GParamSpecFloat *spec = G_PARAM_SPEC_FLOAT (pspec);
copy = g_param_spec_float (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->minimum,
spec->maximum,
spec->default_value,
flags);
}
else if (GEGL_IS_PARAM_SPEC_INT (pspec))
{
GeglParamSpecInt *gspec = GEGL_PARAM_SPEC_INT (pspec);
GParamSpecInt *spec = G_PARAM_SPEC_INT (pspec);
copy = gegl_param_spec_int (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->minimum,
spec->maximum,
spec->default_value,
gspec->ui_minimum,
gspec->ui_maximum,
gspec->ui_gamma,
flags);
}
else if (GEGL_IS_PARAM_SPEC_SEED (pspec))
{
copy = gegl_param_spec_seed (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
pspec->flags |
GIMP_CONFIG_PARAM_SERIALIZE);
}
else if (G_IS_PARAM_SPEC_INT (pspec))
{
GParamSpecInt *spec = G_PARAM_SPEC_INT (pspec);
copy = g_param_spec_int (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->minimum,
spec->maximum,
spec->default_value,
flags);
}
else if (G_IS_PARAM_SPEC_UINT (pspec))
{
GParamSpecUInt *spec = G_PARAM_SPEC_UINT (pspec);
copy = g_param_spec_uint (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
spec->minimum,
spec->maximum,
spec->default_value,
flags);
}
else if (GIMP_IS_PARAM_SPEC_RGB (pspec))
{
GValue value = G_VALUE_INIT;
GimpRGB color;
g_value_init (&value, GIMP_TYPE_RGB);
g_param_value_set_default (pspec, &value);
gimp_value_get_rgb (&value, &color);
g_value_unset (&value);
copy = gimp_param_spec_rgb (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
gimp_param_spec_rgb_has_alpha (pspec),
&color,
flags);
}
else if (GEGL_IS_PARAM_SPEC_COLOR (pspec))
{
GeglColor *gegl_color;
GimpRGB gimp_color;
gdouble r = 0.0;
gdouble g = 0.0;
gdouble b = 0.0;
gdouble a = 1.0;
GValue value = { 0, };
g_value_init (&value, GEGL_TYPE_COLOR);
g_param_value_set_default (pspec, &value);
gegl_color = g_value_get_object (&value);
if (gegl_color)
gegl_color_get_rgba (gegl_color, &r, &g, &b, &a);
gimp_rgba_set (&gimp_color, r, g, b, a);
g_value_unset (&value);
copy = gimp_param_spec_rgb (pspec->name,
g_param_spec_get_nick (pspec),
g_param_spec_get_blurb (pspec),
TRUE,
&gimp_color,
flags);
}
else if (G_IS_PARAM_SPEC_OBJECT (pspec) ||
G_IS_PARAM_SPEC_POINTER (pspec))
{
/* silently ignore object properties */
}
else
{
g_warning ("%s: not supported: %s (%s)\n", G_STRFUNC,
g_type_name (G_TYPE_FROM_INSTANCE (pspec)), pspec->name);
}
if (copy)
{
GQuark quark = g_quark_from_static_string ("gegl-property-keys");
GHashTable *keys = g_param_spec_get_qdata (pspec, quark);
if (keys)
g_param_spec_set_qdata (copy, quark, g_hash_table_ref (keys));
}
return copy;
}
void
qof_gobject_register (QofType e_type, GObjectClass *obclass)
{
int i;
int j;
QofParam *qof_param_list, *qpar;
QofObject *class_def;
GParamSpec **prop_list, *gparam;
guint n_props;
/* Get the GObject properties, convert to QOF properties */
prop_list = g_object_class_list_properties (obclass, &n_props);
qof_param_list = g_new0 (QofParam, n_props);
paramList = g_slist_prepend (paramList, qof_param_list);
PINFO ("object %s has %d props", e_type, n_props);
j = 0;
for (i = 0; i < n_props; i++)
{
gparam = prop_list[i];
qpar = &qof_param_list[j];
PINFO ("param %d %s is type %s",
i, gparam->name, G_PARAM_SPEC_TYPE_NAME(gparam));
qpar->param_name = g_param_spec_get_name (gparam);
qpar->param_getfcn = (QofAccessFunc)qof_gobject_getter;
qpar->param_setfcn = NULL;
qpar->param_userdata = gparam;
if ((G_IS_PARAM_SPEC_INT(gparam)) ||
(G_IS_PARAM_SPEC_UINT(gparam)) ||
(G_IS_PARAM_SPEC_ENUM(gparam)) ||
(G_IS_PARAM_SPEC_FLAGS(gparam)))
{
qpar->param_type = QOF_TYPE_INT32;
j++;
}
else if ((G_IS_PARAM_SPEC_INT64(gparam)) ||
(G_IS_PARAM_SPEC_UINT64(gparam)))
{
qpar->param_type = QOF_TYPE_INT64;
j++;
}
else if (G_IS_PARAM_SPEC_BOOLEAN(gparam))
{
qpar->param_type = QOF_TYPE_BOOLEAN;
j++;
}
else if (G_IS_PARAM_SPEC_STRING(gparam))
{
qpar->param_type = QOF_TYPE_STRING;
j++;
}
else if ((G_IS_PARAM_SPEC_POINTER(gparam)) ||
(G_IS_PARAM_SPEC_OBJECT(gparam)))
{
/* No-op, silently ignore. Someday we should handle this ... */
}
else if ((G_IS_PARAM_SPEC_FLOAT(gparam)) ||
(G_IS_PARAM_SPEC_DOUBLE(gparam)))
{
qpar->param_getfcn = (QofAccessFunc) qof_gobject_double_getter;
qpar->param_type = QOF_TYPE_DOUBLE;
j++;
}
else if (G_IS_PARAM_SPEC_CHAR(gparam))
{
qpar->param_type = QOF_TYPE_CHAR;
j++;
}
else
{
PWARN ("Unknown/unhandled parameter type %s on %s:%s\n",
G_PARAM_SPEC_TYPE_NAME(gparam), e_type, qpar->param_name);
}
}
/* NULL-terminated list! */
qof_param_list[j].param_type = NULL;
qof_class_register (e_type, NULL, qof_param_list);
/* ------------------------------------------------------ */
/* Now do the class itself */
class_def = g_new0 (QofObject, 1);
classList = g_slist_prepend (classList, class_def);
class_def->interface_version = QOF_OBJECT_VERSION;
class_def->e_type = e_type;
/* We could let the user specify a "nick" here, but
* the actual class name seems reasonable, e.g. for debugging. */
class_def->type_label = G_OBJECT_CLASS_NAME (obclass);
class_def->create = NULL;
class_def->book_begin = NULL;
class_def->book_end = NULL;
class_def->is_dirty = NULL;
class_def->mark_clean = NULL;
class_def->foreach = qof_gobject_foreach;
class_def->printable = NULL;
class_def->version_cmp = NULL;
qof_object_register (class_def);
}
/**
* gwy_adjustment_new_for_property:
* @object: (transfer none):
* An object.
* @propname: Name of property to create adjustment for. The property must be
* of integral or double type.
*
* Creates a new adjustment with ranges, default and current value given by
* the property of an object.
*
* Changes to the property value are reflected by changes in the adjustment
* value and vice versa. The adjustment does not take a reference to @object.
* If @object ceases to exist before the adjustment does the adjustment will
* remain configured the same way, just the value will not be synchronised with
* anything.
*
* You can limit the adjustment range further than what is permitted by the
* property after the construction. Extending it is not allowed.
*
* Returns: A newly created adjustment.
**/
GwyAdjustment*
gwy_adjustment_new_for_property(GObject *object,
const gchar *propname)
{
GwyAdjustment *adj = gwy_adjustment_new();
g_return_val_if_fail(G_IS_OBJECT(object), adj);
Adjustment *priv = adj->priv;
g_return_val_if_fail(propname, adj);
GObjectClass *klass = G_OBJECT_GET_CLASS(object);
GParamSpec *property = g_object_class_find_property(klass, propname);
g_return_val_if_fail(property, adj);
gdouble lower, upper, defaultval;
gboolean is_integral = TRUE;
// Try the types by descending probability.
if (G_IS_PARAM_SPEC_DOUBLE(property)) {
GParamSpecDouble *pspec = G_PARAM_SPEC_DOUBLE(property);
lower = pspec->minimum;
upper = pspec->maximum;
defaultval = pspec->default_value;
is_integral = FALSE;
}
else if (G_IS_PARAM_SPEC_UINT(property)) {
GParamSpecUInt *pspec = G_PARAM_SPEC_UINT(property);
lower = pspec->minimum;
upper = pspec->maximum;
defaultval = pspec->default_value;
}
else if (G_IS_PARAM_SPEC_INT(property)) {
GParamSpecInt *pspec = G_PARAM_SPEC_INT(property);
lower = pspec->minimum;
upper = pspec->maximum;
defaultval = pspec->default_value;
}
else if (G_IS_PARAM_SPEC_LONG(property)) {
GParamSpecLong *pspec = G_PARAM_SPEC_LONG(property);
lower = pspec->minimum;
upper = pspec->maximum;
defaultval = pspec->default_value;
}
else if (G_IS_PARAM_SPEC_ULONG(property)) {
GParamSpecULong *pspec = G_PARAM_SPEC_ULONG(property);
lower = pspec->minimum;
upper = pspec->maximum;
defaultval = pspec->default_value;
}
else if (G_IS_PARAM_SPEC_FLOAT(property)) {
GParamSpecFloat *pspec = G_PARAM_SPEC_FLOAT(property);
lower = pspec->minimum;
upper = pspec->maximum;
defaultval = pspec->default_value;
is_integral = FALSE;
}
else {
g_critical("Cannot create adjustment for value type %s.",
g_type_name(property->value_type));
return adj;
}
// Construct a harmless value for the gtk_adjustment_configure() call.
gdouble step_increment, page_increment, value;
// XXX: This needs more elaboration.
if (is_integral) {
value = gwy_round(0.5*(lower + upper));
step_increment = 1.0;
page_increment = MIN(upper - lower, 10.0);
}
else {
value = 0.5*(lower + upper);
step_increment = MAX((upper - lower)/100000.0, fabs(lower));
step_increment = gwy_powi(10.0, gwy_round(log10(step_increment)));
page_increment = sqrt(step_increment*(upper - lower));
page_increment = gwy_powi(10.0, gwy_round(log10(page_increment)));
}
gtk_adjustment_configure(GTK_ADJUSTMENT(adj),
value, lower, upper,
step_increment, page_increment, 0.0);
priv->defaultval = defaultval;
// This takes care of value synchronisation from the property to us.
priv->binding = g_object_bind_property(object, propname,
adj, "value",
G_BINDING_BIDIRECTIONAL
| G_BINDING_SYNC_CREATE);
g_object_add_weak_pointer(G_OBJECT(priv->binding),
(gpointer*)&priv->binding);
return adj;
}