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Diffstat (limited to 'src/boilerplate.h')
-rw-r--r-- | src/boilerplate.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/boilerplate.h b/src/boilerplate.h new file mode 100644 index 0000000..413c48d --- /dev/null +++ b/src/boilerplate.h @@ -0,0 +1,45 @@ +/* This file is part of Ganv. + * Copyright 2007-2011 David Robillard <http://drobilla.net> + * + * Ganv is free software: you can redistribute it and/or modify it under + * the terms of the GNU General Public License as published by the Free + * Software Foundation, either version 3 of the License, or (at your option) + * any later version. + * + * Ganv is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * details. + * + * You should have received a copy of the GNU General Public License + * along with Ganv. If not, see <http://www.gnu.org/licenses/>. + */ + +typedef gpointer gobject; + +/** + A case in a switch statement in a set_properties implementation. + @prop: Property enumeration ID. + @type: Name of the value type, e.g. uint for guint. + @field: Field to set to the new value. +*/ +#define SET_CASE(prop, type, field) \ + case PROP_##prop: { \ + const g##type tmp = g_value_get_##type(value); \ + if (field != tmp) { \ + field = tmp; \ + gnome_canvas_item_request_update(GNOME_CANVAS_ITEM(object)); \ + } \ + break; \ + } + +/** + A case in a switch statement in a get_properties implementation. + @prop: Property enumeration ID. + @type: Name of the value type, e.g. uint for guint. + @field: Field to set to the new value. +*/ +#define GET_CASE(prop, type, field) \ + case PROP_##prop: \ + g_value_set_##type(value, field); \ + break; |