static void
string_to_unit (const GValue *src_value,
GValue *dest_value)
{
const gchar *str;
gint num_units;
gint i;
str = g_value_get_string (src_value);
if (!str || !*str)
goto error;
num_units = gimp_unit_get_number_of_units ();
for (i = GIMP_UNIT_PIXEL; i < num_units; i++)
if (strcmp (str, gimp_unit_get_identifier (i)) == 0)
break;
if (i == num_units)
{
if (strcmp (str, gimp_unit_get_identifier (GIMP_UNIT_PERCENT)) == 0)
i = GIMP_UNIT_PERCENT;
else
goto error;
}
g_value_set_int (dest_value, i);
return;
error:
g_warning ("Can't convert string '%s' to GimpUnit.", str);
}
/**
* gimp_unit_format_string:
* @format: A printf-like format string which is used to create the unit
* string.
* @unit: A unit.
*
* The @format string supports the following percent expansions:
*
* <informaltable pgwide="1" frame="none" role="enum">
* <tgroup cols="2"><colspec colwidth="1*"/><colspec colwidth="8*"/>
* <tbody>
* <row>
* <entry>% f</entry>
* <entry>Factor (how many units make up an inch)</entry>
* </row>
* <row>
* <entry>% y</entry>
* <entry>Symbol (e.g. "''" for GIMP_UNIT_INCH)</entry>
* </row>
* <row>
* <entry>% a</entry>
* <entry>Abbreviation</entry>
* </row>
* <row>
* <entry>% s</entry>
* <entry>Singular</entry>
* </row>
* <row>
* <entry>% p</entry>
* <entry>Plural</entry>
* </row>
* <row>
* <entry>%%</entry>
* <entry>Literal percent</entry>
* </row>
* </tbody>
* </tgroup>
* </informaltable>
*
* Returns: A newly allocated string with above percent expressions
* replaced with the resp. strings for @unit.
*
* Since: 2.8
**/
gchar *
gimp_unit_format_string (const gchar *format,
GimpUnit unit)
{
gchar buffer[1024];
gint i = 0;
g_return_val_if_fail (format != NULL, NULL);
g_return_val_if_fail (unit == GIMP_UNIT_PERCENT ||
(unit >= GIMP_UNIT_PIXEL &&
unit < gimp_unit_get_number_of_units ()), NULL);
while (i < (sizeof (buffer) - 1) && *format)
{
switch (*format)
{
case '%':
format++;
switch (*format)
{
case 0:
g_warning ("%s: unit-menu-format string ended within %%-sequence",
G_STRFUNC);
break;
case '%':
buffer[i++] = '%';
break;
case 'f': /* factor (how many units make up an inch) */
i += print (buffer, sizeof (buffer), i, "%f",
gimp_unit_get_factor (unit));
break;
case 'y': /* symbol ("''" for inch) */
i += print (buffer, sizeof (buffer), i, "%s",
gimp_unit_get_symbol (unit));
break;
case 'a': /* abbreviation */
i += print (buffer, sizeof (buffer), i, "%s",
gimp_unit_get_abbreviation (unit));
break;
case 's': /* singular */
i += print (buffer, sizeof (buffer), i, "%s",
gimp_unit_get_singular (unit));
break;
case 'p': /* plural */
i += print (buffer, sizeof (buffer), i, "%s",
gimp_unit_get_plural (unit));
break;
default:
g_warning ("%s: unit-menu-format contains unknown format "
"sequence '%%%c'", G_STRFUNC, *format);
break;
}
break;
default:
buffer[i++] = *format;
break;
}
format++;
}
buffer[MIN (i, sizeof (buffer) - 1)] = 0;
return g_strdup (buffer);
}
/**
* gimp_unit_menu_set_unit:
* @menu: The unit menu you want to set the unit for.
* @unit: The new unit.
*
* Sets a new #GimpUnit for the specified #GimpUnitMenu.
**/
void
gimp_unit_menu_set_unit (GimpUnitMenu *menu,
GimpUnit unit)
{
GtkWidget *menuitem = NULL;
GList *items;
gint user_unit;
g_return_if_fail (GIMP_IS_UNIT_MENU (menu));
g_return_if_fail (((unit >= GIMP_UNIT_PIXEL) &&
((unit > GIMP_UNIT_PIXEL) || menu->show_pixels) &&
(unit < gimp_unit_get_number_of_units ())) ||
((unit == GIMP_UNIT_PERCENT) && menu->show_percent));
if (unit == menu->unit)
return;
items = GTK_MENU_SHELL (GTK_OPTION_MENU (menu)->menu)->children;
user_unit = (GIMP_UNIT_END +
(((menu->show_pixels || menu->show_percent) ? 2 : 0) +
((menu->show_pixels && menu->show_percent) ? 1 : 0)));
if ((unit >= GIMP_UNIT_END) && (unit != GIMP_UNIT_PERCENT))
{
gchar *string;
if ((g_list_length (items) - 3) >= user_unit)
{
gtk_widget_destroy (GTK_WIDGET (g_list_nth_data (items,
user_unit - 1)));
gtk_widget_destroy (GTK_WIDGET (g_list_nth_data (items,
user_unit - 1)));
}
menuitem = gtk_menu_item_new ();
gtk_menu_shell_append (GTK_MENU_SHELL (GTK_OPTION_MENU (menu)->menu),
menuitem);
gtk_widget_set_sensitive (menuitem, FALSE);
gtk_menu_reorder_child (GTK_MENU (GTK_OPTION_MENU (menu)->menu),
menuitem, user_unit - 1);
gtk_widget_show (menuitem);
string = gimp_unit_format_string (menu->format, unit);
menuitem = gtk_menu_item_new_with_label (string);
g_free (string);
gtk_menu_shell_append (GTK_MENU_SHELL (GTK_OPTION_MENU (menu)->menu),
menuitem);
g_object_set_data (G_OBJECT (menuitem), "gimp_unit_menu",
GINT_TO_POINTER (unit));
gtk_menu_reorder_child (GTK_MENU (GTK_OPTION_MENU (menu)->menu),
menuitem, user_unit);
gtk_widget_show (menuitem);
g_signal_connect (menuitem, "activate",
G_CALLBACK (gimp_unit_menu_callback),
menu);
}
menu->unit = unit;
gtk_option_menu_set_history (GTK_OPTION_MENU (menu),
(unit == GIMP_UNIT_PIXEL) ? 0 :
((unit == GIMP_UNIT_PERCENT) ?
(menu->show_pixels ? 1 : 0) :
(((menu->show_pixels ||
menu->show_percent) ? 2 : 0) +
((menu->show_pixels &&
menu->show_percent) ? 1 : 0) +
((unit < GIMP_UNIT_END) ?
(unit - 1) : GIMP_UNIT_END))));
g_signal_emit (menu, gimp_unit_menu_signals[UNIT_CHANGED], 0);
}
/* private function of gimp_unit_menu_callback () */
static void
gimp_unit_menu_create_selection (GimpUnitMenu *menu)
{
GtkWidget *parent = gtk_widget_get_toplevel (GTK_WIDGET (menu));
GtkWidget *vbox;
GtkWidget *scrolled_win;
GtkListStore *list;
GtkTreeSelection *sel;
GtkTreeIter iter;
GtkTreePath *path;
GtkDialogFlags flags = GTK_DIALOG_DESTROY_WITH_PARENT;
GimpUnit unit;
gint num_units;
if (gtk_window_get_modal (GTK_WINDOW (parent)))
flags |= GTK_DIALOG_MODAL;
menu->selection = gimp_dialog_new (_("Unit Selection"), "gimp-unit-selection",
parent, flags,
gimp_standard_help_func,
"gimp-unit-dialog",
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (menu->selection),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
g_object_add_weak_pointer (G_OBJECT (menu->selection),
(gpointer) &menu->selection);
g_signal_connect (menu->selection, "response",
G_CALLBACK (gimp_unit_menu_selection_response),
menu);
g_signal_connect_object (menu, "unmap",
G_CALLBACK (gtk_widget_destroy),
menu->selection, G_CONNECT_SWAPPED);
/* the main vbox */
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 2);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (menu->selection))),
vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
/* the selection list */
scrolled_win = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_win),
GTK_SHADOW_ETCHED_IN);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
GTK_POLICY_NEVER,
GTK_POLICY_ALWAYS);
gtk_box_pack_start (GTK_BOX (vbox), scrolled_win, TRUE, TRUE, 0);
gtk_widget_show (scrolled_win);
list = gtk_list_store_new (NUM_COLUMNS, G_TYPE_STRING, G_TYPE_STRING,
G_TYPE_INT);
menu->tv = gtk_tree_view_new_with_model (GTK_TREE_MODEL (list));
g_object_unref (list);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (menu->tv),
-1, _("Unit"),
gtk_cell_renderer_text_new (),
"text", UNIT_COLUMN, NULL);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (menu->tv),
-1, _("Factor"),
gtk_cell_renderer_text_new (),
"text", FACTOR_COLUMN, NULL);
/* the unit lines */
num_units = gimp_unit_get_number_of_units ();
for (unit = GIMP_UNIT_END; unit < num_units; unit++)
{
gchar *string;
gtk_list_store_append (list, &iter);
string = gimp_unit_format_string (menu->format, unit);
gtk_list_store_set (list, &iter,
UNIT_COLUMN, string,
-1);
g_free (string);
string = gimp_unit_format_string ("(%f)", unit);
gtk_list_store_set (list, &iter,
FACTOR_COLUMN, string,
-1);
g_free (string);
gtk_list_store_set (list, &iter, DATA_COLUMN, unit, -1);
}
gtk_widget_set_size_request (menu->tv, -1, 150);
gtk_container_add (GTK_CONTAINER (scrolled_win), menu->tv);
g_signal_connect (menu->tv, "row-activated",
G_CALLBACK (gimp_unit_menu_selection_row_activated_callback),
menu);
gtk_widget_show (menu->tv);
g_signal_connect (menu->tv, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&menu->tv);
gtk_widget_show (vbox);
gtk_widget_show (menu->selection);
if (menu->unit >= GIMP_UNIT_END)
{
path = gtk_tree_path_new ();
gtk_tree_path_append_index (path, menu->unit - GIMP_UNIT_END);
sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (menu->tv));
gtk_tree_selection_select_path (sel, path);
gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (menu->tv), path, NULL,
FALSE, 0.0, 0.0);
}
}
/**
* gimp_unit_menu_new:
* @format: A printf-like format string which is used to create the unit
* strings.
* @unit: The initially selected unit.
* @show_pixels: %TRUE if the unit menu should contain an item for
* GIMP_UNIT_PIXEL.
* @show_percent: %TRUE in the unit menu should contain an item for
* GIMP_UNIT_PERCENT.
* @show_custom: %TRUE if the unit menu should contain a "More..." item for
* opening the user-defined-unit selection dialog.
*
* Creates a new #GimpUnitMenu widget.
*
* For the @format string's possible expansions, see gimp_unit_format_string().
*
* Returns: A pointer to the new #GimpUnitMenu widget.
**/
GtkWidget *
gimp_unit_menu_new (const gchar *format,
GimpUnit unit,
gboolean show_pixels,
gboolean show_percent,
gboolean show_custom)
{
GimpUnitMenu *unit_menu;
GtkWidget *menu;
GtkWidget *menuitem;
gchar *string;
GimpUnit u;
g_return_val_if_fail (((unit >= GIMP_UNIT_PIXEL) &&
(unit < gimp_unit_get_number_of_units ())) ||
(unit == GIMP_UNIT_PERCENT), NULL);
if ((unit >= gimp_unit_get_number_of_built_in_units ()) &&
(unit != GIMP_UNIT_PERCENT))
show_custom = TRUE;
unit_menu = g_object_new (GIMP_TYPE_UNIT_MENU, NULL);
unit_menu->format = g_strdup (format);
unit_menu->show_pixels = show_pixels;
unit_menu->show_percent = show_percent;
menu = gtk_menu_new ();
for (u = show_pixels ? GIMP_UNIT_PIXEL : GIMP_UNIT_INCH;
u < gimp_unit_get_number_of_built_in_units ();
u++)
{
/* special cases "pixels" and "percent" */
if (u == GIMP_UNIT_INCH)
{
if (show_percent)
{
string = gimp_unit_format_string (format, GIMP_UNIT_PERCENT);
menuitem = gtk_menu_item_new_with_label (string);
g_free (string);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
g_object_set_data (G_OBJECT (menuitem), "gimp_unit_menu",
GINT_TO_POINTER (GIMP_UNIT_PERCENT));
gtk_widget_show (menuitem);
g_signal_connect (menuitem, "activate",
G_CALLBACK (gimp_unit_menu_callback),
unit_menu);
}
if (show_pixels || show_percent)
{
menuitem = gtk_menu_item_new ();
gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
gtk_widget_set_sensitive (menuitem, FALSE);
gtk_widget_show (menuitem);
}
}
string = gimp_unit_format_string (format, u);
menuitem = gtk_menu_item_new_with_label (string);
g_free (string);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
g_object_set_data (G_OBJECT (menuitem), "gimp_unit_menu",
GINT_TO_POINTER (u));
gtk_widget_show (menuitem);
g_signal_connect (menuitem, "activate",
G_CALLBACK (gimp_unit_menu_callback),
unit_menu);
}
if ((unit >= gimp_unit_get_number_of_built_in_units ()) &&
(unit != GIMP_UNIT_PERCENT))
{
menuitem = gtk_menu_item_new ();
gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
gtk_widget_set_sensitive (menuitem, FALSE);
gtk_widget_show (menuitem);
string = gimp_unit_format_string (format, unit);
menuitem = gtk_menu_item_new_with_label (string);
g_free (string);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
g_object_set_data (G_OBJECT (menuitem), "gimp_unit_menu",
GINT_TO_POINTER (unit));
gtk_widget_show (menuitem);
g_signal_connect (menuitem, "activate",
G_CALLBACK (gimp_unit_menu_callback),
unit_menu);
}
if (show_custom)
{
menuitem = gtk_menu_item_new ();
gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
gtk_widget_set_sensitive (menuitem, FALSE);
gtk_widget_show (menuitem);
menuitem = gtk_menu_item_new_with_label (_("More..."));
gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
g_object_set_data (G_OBJECT (menuitem), "gimp_unit_menu",
GINT_TO_POINTER (GIMP_UNIT_PERCENT + 1));
gtk_widget_show (menuitem);
g_signal_connect (menuitem, "activate",
G_CALLBACK (gimp_unit_menu_callback),
unit_menu);
}
gtk_option_menu_set_menu (GTK_OPTION_MENU (unit_menu), menu);
unit_menu->unit = unit;
gtk_option_menu_set_history (GTK_OPTION_MENU (unit_menu),
(unit == GIMP_UNIT_PIXEL) ? 0 :
((unit == GIMP_UNIT_PERCENT) ?
(show_pixels ? 1 : 0) :
(((show_pixels || show_percent) ? 2 : 0) +
((show_pixels && show_percent) ? 1 : 0) +
((unit < GIMP_UNIT_END) ?
(unit - 1) : GIMP_UNIT_END))));
return GTK_WIDGET (unit_menu);
}
