diff options
Diffstat (limited to 'src/idoapplicationmenuitem.c')
| -rw-r--r-- | src/idoapplicationmenuitem.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/idoapplicationmenuitem.c b/src/idoapplicationmenuitem.c new file mode 100644 index 0000000..c5910cf --- /dev/null +++ b/src/idoapplicationmenuitem.c @@ -0,0 +1,195 @@ +/* + * Copyright 2013 Canonical Ltd. + * + * 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/>. + * + * Authors: + * Lars Uebernickel <lars.uebernickel@canonical.com> + */ + +#include "idoapplicationmenuitem.h" +#include "idoactionhelper.h" + +typedef GtkMenuItemClass IdoApplicationMenuItemClass; + +struct _IdoApplicationMenuItem +{ + GtkMenuItem parent; + + gboolean is_running; + + GtkWidget *icon; + GtkWidget *label; +}; + +G_DEFINE_TYPE (IdoApplicationMenuItem, ido_application_menu_item, GTK_TYPE_MENU_ITEM); + +static void +ido_application_menu_item_constructed (GObject *object) +{ + IdoApplicationMenuItem *item = IDO_APPLICATION_MENU_ITEM (object); + GtkWidget *grid; + + item->icon = g_object_ref (gtk_image_new ()); + gtk_widget_set_margin_right (item->icon, 6); + + item->label = g_object_ref (gtk_label_new ("")); + + grid = gtk_grid_new (); + gtk_grid_attach (GTK_GRID (grid), item->icon, 0, 0, 1, 1); + gtk_grid_attach (GTK_GRID (grid), item->label, 1, 0, 1, 1); + + gtk_container_add (GTK_CONTAINER (object), grid); + gtk_widget_show_all (grid); + + G_OBJECT_CLASS (ido_application_menu_item_parent_class)->constructed (object); +} + +static void +ido_application_menu_item_dispose (GObject *object) +{ + IdoApplicationMenuItem *self = IDO_APPLICATION_MENU_ITEM (object); + + g_clear_object (&self->icon); + g_clear_object (&self->label); + + G_OBJECT_CLASS (ido_application_menu_item_parent_class)->dispose (object); +} + +static gboolean +ido_application_menu_item_draw (GtkWidget *widget, + cairo_t *cr) +{ + IdoApplicationMenuItem *item = IDO_APPLICATION_MENU_ITEM (widget); + + GTK_WIDGET_CLASS (ido_application_menu_item_parent_class)->draw (widget, cr); + + if (item->is_running) + { + const int arrow_width = 5; + const double half_arrow_height = 4.5; + GtkAllocation alloc; + GdkRGBA color; + double center; + + gtk_widget_get_allocation (widget, &alloc); + + gtk_style_context_get_color (gtk_widget_get_style_context (widget), + gtk_widget_get_state_flags (widget), + &color); + gdk_cairo_set_source_rgba (cr, &color); + + center = alloc.height / 2 + 0.5; + + cairo_move_to (cr, 0, center - half_arrow_height); + cairo_line_to (cr, 0, center + half_arrow_height); + cairo_line_to (cr, arrow_width, center); + cairo_close_path (cr); + + cairo_fill (cr); + } + + return FALSE; +} + +void +ido_application_menu_item_class_init (IdoApplicationMenuItemClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + + object_class->constructed = ido_application_menu_item_constructed; + object_class->dispose = ido_application_menu_item_dispose; + + widget_class->draw = ido_application_menu_item_draw; +} + +static void +ido_application_menu_item_init (IdoApplicationMenuItem *self) +{ +} + +static void +ido_application_menu_item_set_label (IdoApplicationMenuItem *item, + const gchar *label) +{ + gtk_label_set_label (GTK_LABEL (item->label), label); +} + +static void +ido_application_menu_item_set_icon (IdoApplicationMenuItem *item, + GIcon *icon) +{ + gtk_image_set_from_gicon (GTK_IMAGE (item->icon), icon, GTK_ICON_SIZE_MENU); +} + +static void +ido_application_menu_item_state_changed (IdoActionHelper *helper, + GVariant *state, + gpointer user_data) +{ + IdoApplicationMenuItem *item = user_data; + + item->is_running = g_variant_get_boolean (state); + gtk_widget_queue_draw (GTK_WIDGET (item)); +} + +GtkMenuItem * +ido_application_menu_item_new_from_model (GMenuItem *menuitem, + GActionGroup *actions) +{ + GtkMenuItem *item; + gchar *label; + GVariant *serialized_icon; + gchar *action; + + item = g_object_new (IDO_TYPE_APPLICATION_MENU_ITEM, NULL); + + if (g_menu_item_get_attribute (menuitem, "label", "s", &label)) + { + ido_application_menu_item_set_label (IDO_APPLICATION_MENU_ITEM (item), label); + g_free (label); + } + + serialized_icon = g_menu_item_get_attribute_value (menuitem, "icon", NULL); + if (serialized_icon) + { + GIcon *icon; + + icon = g_icon_deserialize (serialized_icon); + if (icon) + { + ido_application_menu_item_set_icon (IDO_APPLICATION_MENU_ITEM (item), icon); + g_object_unref (icon); + } + + g_variant_unref (serialized_icon); + } + + if (g_menu_item_get_attribute (menuitem, "action", "s", &action)) + { + IdoActionHelper *helper; + + helper = ido_action_helper_new (GTK_WIDGET (item), actions, action, NULL); + g_signal_connect (helper, "action-state-changed", + G_CALLBACK (ido_application_menu_item_state_changed), item); + g_signal_connect_object (item, "activate", + G_CALLBACK (ido_action_helper_activate), helper, + G_CONNECT_SWAPPED); + g_signal_connect_swapped (item, "destroy", G_CALLBACK (g_object_unref), helper); + + g_free (action); + } + + return item; +} |