diff options
Diffstat (limited to 'applets/notification_area/status-notifier/sn-image-menu-item.c')
| -rw-r--r-- | applets/notification_area/status-notifier/sn-image-menu-item.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/applets/notification_area/status-notifier/sn-image-menu-item.c b/applets/notification_area/status-notifier/sn-image-menu-item.c new file mode 100644 index 00000000..2246b961 --- /dev/null +++ b/applets/notification_area/status-notifier/sn-image-menu-item.c @@ -0,0 +1,216 @@ +/* + * Copyright (C) 2016 Alberts Muktupāvels + * + * This program 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 2 of the License, or + * (at your option) any later version. + * + * This program 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 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/>. + */ + +#include "config.h" + +#include "sn-image-menu-item.h" + +#define SPACING 6 + +struct _SnImageMenuItem +{ + GtkMenuItem parent; + + GtkWidget *box; + GtkWidget *image; + GtkWidget *accel_label; + + gchar *label; +}; + +G_DEFINE_TYPE (SnImageMenuItem, sn_image_menu_item, GTK_TYPE_MENU_ITEM) + +static void +sn_image_menu_item_get_preferred_width (GtkWidget *widget, + gint *minimum, + gint *natural) +{ + GtkWidgetClass *widget_class; + SnImageMenuItem *item; + GtkRequisition image_requisition; + + widget_class = GTK_WIDGET_CLASS (sn_image_menu_item_parent_class); + item = SN_IMAGE_MENU_ITEM (widget); + + widget_class->get_preferred_width (widget, minimum, natural); + + if (!gtk_widget_get_visible (item->image)) + return; + + gtk_widget_get_preferred_size (item->image, &image_requisition, NULL); + + if (image_requisition.width > 0) + { + *minimum -= image_requisition.width + SPACING; + *natural -= image_requisition.width + SPACING; + } +} + +static void +sn_image_menu_item_size_allocate (GtkWidget *widget, + GtkAllocation *allocation) +{ + GtkWidgetClass *widget_class; + SnImageMenuItem *item; + GtkRequisition image_requisition; + GtkAllocation box_allocation; + + widget_class = GTK_WIDGET_CLASS (sn_image_menu_item_parent_class); + item = SN_IMAGE_MENU_ITEM (widget); + + widget_class->size_allocate (widget, allocation); + + if (!gtk_widget_get_visible (item->image)) + return; + + gtk_widget_get_preferred_size (item->image, &image_requisition, NULL); + gtk_widget_get_allocation (item->box, &box_allocation); + + if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) + { + if (image_requisition.width > 0) + box_allocation.x -= image_requisition.width + SPACING; + } + else + { + if (image_requisition.width > 0) + box_allocation.x += image_requisition.width + SPACING; + } + + gtk_widget_size_allocate (item->box, &box_allocation); +} + +static const gchar * +sn_image_menu_item_get_label (GtkMenuItem *menu_item) +{ + SnImageMenuItem *item; + + item = SN_IMAGE_MENU_ITEM (menu_item); + + return item->label; +} + +static void +sn_image_menu_item_toggle_size_request (GtkMenuItem *menu_item, + gint *requisition) +{ + SnImageMenuItem *item; + GtkRequisition image_requisition; + + item = SN_IMAGE_MENU_ITEM (menu_item); + + *requisition = 0; + + if (!gtk_widget_get_visible (item->image)) + return; + + gtk_widget_get_preferred_size (item->image, &image_requisition, NULL); + + if (image_requisition.width > 0) + *requisition = image_requisition.width + SPACING; +} + +static void +sn_image_menu_item_set_label (GtkMenuItem *menu_item, + const gchar *label) +{ + SnImageMenuItem *item; + + item = SN_IMAGE_MENU_ITEM (menu_item); + + if (g_strcmp0 (item->label, label) != 0) + { + g_free (item->label); + item->label = g_strdup (label); + + gtk_label_set_text_with_mnemonic (GTK_LABEL (item->accel_label), label); + g_object_notify (G_OBJECT (menu_item), "label"); + } +} + +static void +sn_image_menu_item_class_init (SnImageMenuItemClass *item_class) +{ + GtkWidgetClass *widget_class; + GtkMenuItemClass *menu_item_class; + + widget_class = GTK_WIDGET_CLASS (item_class); + menu_item_class = GTK_MENU_ITEM_CLASS (item_class); + + widget_class->get_preferred_width = sn_image_menu_item_get_preferred_width; + widget_class->size_allocate = sn_image_menu_item_size_allocate; + + menu_item_class->get_label = sn_image_menu_item_get_label; + menu_item_class->toggle_size_request = sn_image_menu_item_toggle_size_request; + menu_item_class->set_label = sn_image_menu_item_set_label; +} + +static void +sn_image_menu_item_init (SnImageMenuItem *item) +{ + GtkAccelLabel *accel_label; + + item->box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, SPACING); + gtk_container_add (GTK_CONTAINER (item), item->box); + gtk_widget_show (item->box); + + item->image = gtk_image_new (); + gtk_box_pack_start (GTK_BOX (item->box), item->image, FALSE, FALSE, 0); + + item->accel_label = gtk_accel_label_new (""); + gtk_box_pack_end (GTK_BOX (item->box), item->accel_label, TRUE, TRUE, 0); + gtk_label_set_xalign (GTK_LABEL (item->accel_label), 0.0); + gtk_widget_show (item->accel_label); + + accel_label = GTK_ACCEL_LABEL (item->accel_label); + gtk_accel_label_set_accel_widget (accel_label, GTK_WIDGET (item)); + gtk_label_set_use_underline (GTK_LABEL (accel_label), TRUE); +} + +GtkWidget * +sn_image_menu_item_new (void) +{ + return g_object_new (SN_TYPE_IMAGE_MENU_ITEM, NULL); +} + +void +sn_image_menu_item_set_image_from_icon_name (SnImageMenuItem *item, + const gchar *icon_name) +{ + GtkImage *image; + + image = GTK_IMAGE (item->image); + + gtk_image_set_from_icon_name (image, icon_name, GTK_ICON_SIZE_MENU); + gtk_image_set_pixel_size (image, 16); + gtk_widget_show (item->image); +} + +void +sn_image_menu_item_set_image_from_icon_pixbuf (SnImageMenuItem *item, + GdkPixbuf *pixbuf) +{ + gtk_image_set_from_pixbuf (GTK_IMAGE (item->image), pixbuf); + gtk_widget_show (item->image); +} + +void +sn_image_menu_item_unset_image (SnImageMenuItem *item) +{ + gtk_image_clear (GTK_IMAGE (item->image)); + gtk_widget_hide (item->image); +} |