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-rw-r--r--src/idobasicmenuitem.c391
1 files changed, 391 insertions, 0 deletions
diff --git a/src/idobasicmenuitem.c b/src/idobasicmenuitem.c
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+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ * Charles Kerr <charles.kerr@canonical.com>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+ #include "config.h"
+#endif
+
+#include <gtk/gtk.h>
+
+#include "idoactionhelper.h"
+#include "idobasicmenuitem.h"
+
+enum
+{
+ PROP_0,
+ PROP_ICON,
+ PROP_TEXT,
+ PROP_SECONDARY_TEXT,
+ PROP_LAST
+};
+
+static GParamSpec *properties[PROP_LAST];
+
+struct _IdoBasicMenuItemPrivate
+{
+ GIcon * icon;
+ char * text;
+ char * secondary_text;
+
+ GtkWidget * image;
+ GtkWidget * label;
+ GtkWidget * secondary_label;
+};
+
+typedef IdoBasicMenuItemPrivate priv_t;
+
+G_DEFINE_TYPE (IdoBasicMenuItem, ido_basic_menu_item, GTK_TYPE_MENU_ITEM);
+
+/***
+**** GObject Virtual Functions
+***/
+
+static void
+my_get_property (GObject * o,
+ guint property_id,
+ GValue * value,
+ GParamSpec * pspec)
+{
+ IdoBasicMenuItem * self = IDO_BASIC_MENU_ITEM (o);
+ priv_t * p = self->priv;
+
+ switch (property_id)
+ {
+ case PROP_ICON:
+ g_value_set_object (value, p->icon);
+ break;
+
+ case PROP_TEXT:
+ g_value_set_string (value, p->text);
+ break;
+
+ case PROP_SECONDARY_TEXT:
+ g_value_set_string (value, p->secondary_text);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (o, property_id, pspec);
+ break;
+ }
+}
+
+static void
+my_set_property (GObject * o,
+ guint property_id,
+ const GValue * value,
+ GParamSpec * pspec)
+{
+ IdoBasicMenuItem * self = IDO_BASIC_MENU_ITEM (o);
+
+ switch (property_id)
+ {
+ case PROP_ICON:
+ ido_basic_menu_item_set_icon (self, g_value_get_object (value));
+ break;
+
+ case PROP_TEXT:
+ ido_basic_menu_item_set_text (self, g_value_get_string (value));
+ break;
+
+ case PROP_SECONDARY_TEXT:
+ ido_basic_menu_item_set_secondary_text (self, g_value_get_string (value));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (o, property_id, pspec);
+ break;
+ }
+}
+
+static void
+my_dispose (GObject * object)
+{
+ IdoBasicMenuItem * self = IDO_BASIC_MENU_ITEM (object);
+ priv_t * p = self->priv;
+
+ g_clear_object (&p->icon);
+
+ G_OBJECT_CLASS (ido_basic_menu_item_parent_class)->dispose (object);
+}
+
+static void
+my_finalize (GObject * object)
+{
+ IdoBasicMenuItem * self = IDO_BASIC_MENU_ITEM (object);
+ priv_t * p = self->priv;
+
+ g_free (p->text);
+ g_free (p->secondary_text);
+
+ G_OBJECT_CLASS (ido_basic_menu_item_parent_class)->finalize (object);
+}
+
+/***
+**** Instantiation
+***/
+
+static void
+ido_basic_menu_item_class_init (IdoBasicMenuItemClass *klass)
+{
+ GParamFlags prop_flags;
+ GObjectClass * gobject_class = G_OBJECT_CLASS (klass);
+
+ g_type_class_add_private (klass, sizeof (IdoBasicMenuItemPrivate));
+
+ gobject_class->get_property = my_get_property;
+ gobject_class->set_property = my_set_property;
+ gobject_class->dispose = my_dispose;
+ gobject_class->finalize = my_finalize;
+
+ prop_flags = G_PARAM_CONSTRUCT
+ | G_PARAM_READWRITE
+ | G_PARAM_STATIC_STRINGS;
+
+ properties[PROP_ICON] = g_param_spec_object ("icon",
+ "Icon",
+ "The menuitem's GIcon",
+ G_TYPE_OBJECT,
+ prop_flags);
+
+ properties[PROP_TEXT] = g_param_spec_string ("text",
+ "Text",
+ "The menuitem's text",
+ "",
+ prop_flags);
+
+ properties[PROP_SECONDARY_TEXT] = g_param_spec_string ("secondary-text",
+ "Secondary Text",
+ "The menuitem's secondary text",
+ "",
+ prop_flags);
+
+ g_object_class_install_properties (gobject_class, PROP_LAST, properties);
+}
+
+static void
+ido_basic_menu_item_init (IdoBasicMenuItem *self)
+{
+ priv_t * p;
+ GtkWidget * w;
+ GtkGrid * grid;
+
+ self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
+ IDO_TYPE_BASIC_MENU_ITEM,
+ IdoBasicMenuItemPrivate);
+
+ p = self->priv;
+
+ p->image = gtk_image_new ();
+ gtk_misc_set_alignment(GTK_MISC(p->image), 0.0, 0.0);
+ p->label = gtk_label_new ("");
+ gtk_misc_set_alignment (GTK_MISC(p->label), 0.0, 0.5);
+ p->secondary_label = gtk_label_new ("");
+ gtk_misc_set_alignment (GTK_MISC(p->secondary_label), 1.0, 0.5);
+
+ w = gtk_grid_new ();
+ grid = GTK_GRID (w);
+ gtk_grid_attach (grid, p->image, 0, 0, 1, 1);
+ gtk_grid_attach (grid, p->label, 1, 0, 1, 1);
+ gtk_grid_attach (grid, p->secondary_label, 2, 0, 1, 1);
+ g_object_set (p->image,
+ "halign", GTK_ALIGN_START,
+ "hexpand", FALSE,
+ "valign", GTK_ALIGN_CENTER,
+ "margin-right", 6,
+ NULL);
+ g_object_set (p->label,
+ "halign", GTK_ALIGN_START,
+ "hexpand", TRUE,
+ "margin-right", 6,
+ "valign", GTK_ALIGN_CENTER,
+ NULL);
+ g_object_set (p->secondary_label,
+ "halign", GTK_ALIGN_END,
+ "hexpand", FALSE,
+ "valign", GTK_ALIGN_CENTER,
+ NULL);
+
+ gtk_widget_show (w);
+ gtk_container_add (GTK_CONTAINER (self), w);
+}
+
+
+/***
+**** Public API
+***/
+
+/* create a new IdoBasicMenuItem */
+GtkWidget *
+ido_basic_menu_item_new (void)
+{
+ return GTK_WIDGET (g_object_new (IDO_TYPE_BASIC_MENU_ITEM, NULL));
+}
+
+void
+ido_basic_menu_item_set_icon (IdoBasicMenuItem * self, GIcon * icon)
+{
+ IdoBasicMenuItemPrivate * p = self->priv;
+
+ if (p->icon != icon)
+ {
+ g_clear_object (&p->icon);
+
+ if (icon == NULL)
+ {
+ gtk_image_clear (GTK_IMAGE(p->image));
+ gtk_widget_set_visible (p->image, FALSE);
+ }
+ else
+ {
+ p->icon = g_object_ref (icon);
+ gtk_image_set_from_gicon (GTK_IMAGE(p->image), p->icon, GTK_ICON_SIZE_MENU);
+ gtk_widget_set_visible (p->image, TRUE);
+ }
+ }
+}
+
+void
+ido_basic_menu_item_set_icon_from_file (IdoBasicMenuItem * self, const char * filename)
+{
+ GFile * file = filename ? g_file_new_for_path (filename) : NULL;
+ GIcon * icon = file ? g_file_icon_new (file) : NULL;
+
+ ido_basic_menu_item_set_icon (self, icon);
+
+ g_clear_object (&icon);
+ g_clear_object (&file);
+}
+
+void
+ido_basic_menu_item_set_text (IdoBasicMenuItem * self, const char * text)
+{
+ IdoBasicMenuItemPrivate * p = self->priv;
+
+ if (g_strcmp0 (p->text, text))
+ {
+ g_free (p->text);
+ p->text = g_strdup (text);
+
+ g_object_set (G_OBJECT(p->label),
+ "label", p->text,
+ "visible", (gboolean)(p->text && *p->text),
+ NULL);
+ }
+}
+
+void
+ido_basic_menu_item_set_secondary_text (IdoBasicMenuItem * self, const char * secondary_text)
+{
+ IdoBasicMenuItemPrivate * p = self->priv;
+
+ if (g_strcmp0 (p->secondary_text, secondary_text))
+ {
+ g_free (p->secondary_text);
+ p->secondary_text = g_strdup (secondary_text);
+
+ g_object_set (G_OBJECT(p->secondary_label),
+ "label", p->secondary_text,
+ "visible", (gboolean)(p->secondary_text && *p->secondary_text),
+ NULL);
+ }
+}
+
+/***
+****
+**** Progress Menu Item
+****
+***/
+
+static void
+on_progress_action_state_changed (IdoActionHelper * helper,
+ GVariant * state,
+ gpointer unused G_GNUC_UNUSED)
+{
+ IdoBasicMenuItem * ido_menu_item;
+ char * str;
+
+ ido_menu_item = IDO_BASIC_MENU_ITEM (ido_action_helper_get_widget (helper));
+
+ g_return_if_fail (ido_menu_item != NULL);
+ g_return_if_fail (g_variant_is_of_type (state, G_VARIANT_TYPE_UINT32));
+
+ str = g_strdup_printf ("%"G_GUINT32_FORMAT"%%", g_variant_get_uint32 (state));
+ ido_basic_menu_item_set_secondary_text (ido_menu_item, str);
+ g_free (str);
+}
+
+/**
+ * ido_progress_menu_item_new_from_model:
+ * @menu_item: the corresponding menuitem
+ * @actions: action group to tell when this GtkMenuItem is activated
+ *
+ * Creates a new progress menuitem with properties initialized from
+ * the menuitem's attributes.
+ *
+ * If the menuitem's 'action' attribute is set, trigger that action
+ * in @actions when this IdoBasicMenuItem is activated.
+ */
+GtkMenuItem *
+ido_progress_menu_item_new_from_model (GMenuItem * menu_item,
+ GActionGroup * actions)
+{
+ guint i;
+ guint n;
+ gchar * str;
+ IdoBasicMenuItem * ido_menu_item;
+ GParameter parameters[4];
+
+ /* create the ido menuitem */;
+
+ n = 0;
+
+ if (g_menu_item_get_attribute (menu_item, "label", "s", &str))
+ {
+ GParameter p = { "text", G_VALUE_INIT };
+ g_value_init (&p.value, G_TYPE_STRING);
+ g_value_take_string (&p.value, str);
+ parameters[n++] = p;
+ }
+
+ g_assert (n <= G_N_ELEMENTS (parameters));
+ ido_menu_item = g_object_newv (IDO_TYPE_BASIC_MENU_ITEM, n, parameters);
+
+ for (i=0; i<n; i++)
+ g_value_unset (&parameters[i].value);
+
+ /* give it an ActionHelper */
+
+ if (g_menu_item_get_attribute (menu_item, "action", "s", &str))
+ {
+ IdoActionHelper * helper;
+
+ helper = ido_action_helper_new (GTK_WIDGET(ido_menu_item),
+ actions,
+ str,
+ NULL);
+ g_signal_connect (helper, "action-state-changed",
+ G_CALLBACK (on_progress_action_state_changed), NULL);
+ g_signal_connect_swapped (ido_menu_item, "destroy",
+ G_CALLBACK (g_object_unref), helper);
+
+ g_free (str);
+ }
+
+ return GTK_MENU_ITEM (ido_menu_item);
+}
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