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-rw-r--r--plug-ins/help-browser/gimpthrobber.c366
1 files changed, 366 insertions, 0 deletions
diff --git a/plug-ins/help-browser/gimpthrobber.c b/plug-ins/help-browser/gimpthrobber.c
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--- /dev/null
+++ b/plug-ins/help-browser/gimpthrobber.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpThrobber
+ * Copyright (C) 2005 Sven Neumann <sven@gimp.org>
+ *
+ * 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 3 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gtk/gtk.h>
+
+#include "gimpthrobber.h"
+
+
+enum
+{
+ CLICKED,
+ LAST_SIGNAL
+};
+
+enum
+{
+ PROP_0,
+ PROP_ICON_NAME,
+ PROP_IMAGE
+};
+
+
+static void gimp_throbber_class_init (GimpThrobberClass *klass);
+
+static void gimp_throbber_init (GimpThrobber *button);
+
+static void gimp_throbber_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_throbber_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void gimp_throbber_finalize (GObject *object);
+
+static gboolean gimp_throbber_create_menu_proxy (GtkToolItem *tool_item);
+static void gimp_throbber_toolbar_reconfigured (GtkToolItem *tool_item);
+static void gimp_throbber_button_clicked (GtkWidget *widget,
+ GimpThrobber *button);
+
+static void gimp_throbber_construct_contents (GtkToolItem *tool_item);
+
+
+static GObjectClass *parent_class = NULL;
+static guint toolbutton_signals[LAST_SIGNAL] = { 0 };
+
+
+#define GIMP_THROBBER_GET_PRIVATE(obj)(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GIMP_TYPE_THROBBER, GimpThrobberPrivate))
+
+
+struct _GimpThrobberPrivate
+{
+ GtkWidget *button;
+ GtkWidget *image;
+ gchar *icon_name;
+};
+
+
+GType
+gimp_throbber_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type)
+ {
+ static const GTypeInfo type_info =
+ {
+ sizeof (GimpThrobberClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) gimp_throbber_class_init,
+ (GClassFinalizeFunc) NULL,
+ NULL,
+ sizeof (GimpThrobber),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) gimp_throbber_init,
+ };
+
+ type = g_type_register_static (GTK_TYPE_TOOL_ITEM,
+ "GimpThrobber",
+ &type_info, 0);
+ }
+
+ return type;
+}
+
+static void
+gimp_throbber_class_init (GimpThrobberClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkToolItemClass *tool_item_class = GTK_TOOL_ITEM_CLASS (klass);
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ object_class->set_property = gimp_throbber_set_property;
+ object_class->get_property = gimp_throbber_get_property;
+ object_class->finalize = gimp_throbber_finalize;
+
+ tool_item_class->create_menu_proxy = gimp_throbber_create_menu_proxy;
+ tool_item_class->toolbar_reconfigured = gimp_throbber_toolbar_reconfigured;
+
+ g_object_class_install_property (object_class,
+ PROP_ICON_NAME,
+ g_param_spec_string ("icon-name", NULL, NULL,
+ NULL,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ g_object_class_install_property (object_class,
+ PROP_IMAGE,
+ g_param_spec_object ("image", NULL, NULL,
+ GTK_TYPE_IMAGE,
+ G_PARAM_READWRITE));
+
+ toolbutton_signals[CLICKED] =
+ g_signal_new ("clicked",
+ G_OBJECT_CLASS_TYPE (klass),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GimpThrobberClass, clicked),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ g_type_class_add_private (object_class, sizeof (GimpThrobberPrivate));
+}
+
+static void
+gimp_throbber_init (GimpThrobber *button)
+{
+ GtkToolItem *toolitem = GTK_TOOL_ITEM (button);
+
+ button->priv = GIMP_THROBBER_GET_PRIVATE (button);
+
+ gtk_tool_item_set_homogeneous (toolitem, TRUE);
+
+ button->priv->button = g_object_new (GTK_TYPE_BUTTON,
+ "yalign", 0.0,
+ "focus-on-click", FALSE,
+ NULL);
+
+ g_signal_connect_object (button->priv->button, "clicked",
+ G_CALLBACK (gimp_throbber_button_clicked),
+ button, 0);
+
+ gtk_container_add (GTK_CONTAINER (button), button->priv->button);
+ gtk_widget_show (button->priv->button);
+}
+
+static void
+gimp_throbber_construct_contents (GtkToolItem *tool_item)
+{
+ GimpThrobber *button = GIMP_THROBBER (tool_item);
+ GtkWidget *image;
+ GtkToolbarStyle style;
+
+ if (button->priv->image && gtk_widget_get_parent (button->priv->image))
+ gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (button->priv->image)),
+ button->priv->image);
+
+ if (gtk_bin_get_child (GTK_BIN (button->priv->button)))
+ gtk_widget_destroy (gtk_bin_get_child (GTK_BIN (button->priv->button)));
+
+ style = gtk_tool_item_get_toolbar_style (tool_item);
+
+ if (style == GTK_TOOLBAR_TEXT)
+ {
+ image = gtk_image_new_from_icon_name (button->priv->icon_name,
+ GTK_ICON_SIZE_MENU);
+ }
+ else if (style == GTK_TOOLBAR_ICONS)
+ {
+ image = gtk_image_new_from_icon_name (button->priv->icon_name,
+ GTK_ICON_SIZE_LARGE_TOOLBAR);
+ }
+ else if (button->priv->image)
+ {
+ image = button->priv->image;
+ }
+ else
+ {
+ image = gtk_image_new_from_icon_name (button->priv->icon_name,
+ GTK_ICON_SIZE_DND);
+ }
+
+ gtk_container_add (GTK_CONTAINER (button->priv->button), image);
+ gtk_widget_show (image);
+
+ gtk_button_set_relief (GTK_BUTTON (button->priv->button),
+ gtk_tool_item_get_relief_style (tool_item));
+
+ gtk_widget_queue_resize (GTK_WIDGET (button));
+}
+
+static void
+gimp_throbber_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpThrobber *button = GIMP_THROBBER (object);
+
+ switch (prop_id)
+ {
+ case PROP_ICON_NAME:
+ gimp_throbber_set_icon_name (button, g_value_get_string (value));
+ break;
+
+ case PROP_IMAGE:
+ gimp_throbber_set_image (button, g_value_get_object (value));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_throbber_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpThrobber *button = GIMP_THROBBER (object);
+
+ switch (prop_id)
+ {
+ case PROP_ICON_NAME:
+ g_value_set_string (value, button->priv->icon_name);
+ break;
+
+ case PROP_IMAGE:
+ g_value_set_object (value, button->priv->image);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_throbber_finalize (GObject *object)
+{
+ GimpThrobber *button = GIMP_THROBBER (object);
+
+ if (button->priv->icon_name)
+ g_free (button->priv->icon_name);
+
+ if (button->priv->image)
+ g_object_unref (button->priv->image);
+
+ parent_class->finalize (object);
+}
+
+static void
+gimp_throbber_button_clicked (GtkWidget *widget,
+ GimpThrobber *button)
+{
+ g_signal_emit_by_name (button, "clicked");
+}
+
+static gboolean
+gimp_throbber_create_menu_proxy (GtkToolItem *tool_item)
+{
+ gtk_tool_item_set_proxy_menu_item (tool_item, "gimp-throbber-menu-id", NULL);
+
+ return FALSE;
+}
+
+static void
+gimp_throbber_toolbar_reconfigured (GtkToolItem *tool_item)
+{
+ gimp_throbber_construct_contents (tool_item);
+}
+
+GtkToolItem *
+gimp_throbber_new (const gchar *icon_name)
+{
+ return g_object_new (GIMP_TYPE_THROBBER,
+ "icon-name", icon_name,
+ NULL);
+}
+
+void
+gimp_throbber_set_icon_name (GimpThrobber *button,
+ const gchar *icon_name)
+{
+ gchar *old_icon_name;
+
+ g_return_if_fail (GIMP_IS_THROBBER (button));
+
+ old_icon_name = button->priv->icon_name;
+
+ button->priv->icon_name = g_strdup (icon_name);
+ gimp_throbber_construct_contents (GTK_TOOL_ITEM (button));
+
+ g_object_notify (G_OBJECT (button), "icon-name");
+
+ g_free (old_icon_name);
+}
+
+const gchar *
+gimp_throbber_get_icon_name (GimpThrobber *button)
+{
+ g_return_val_if_fail (GIMP_IS_THROBBER (button), NULL);
+
+ return button->priv->icon_name;
+}
+
+void
+gimp_throbber_set_image (GimpThrobber *button,
+ GtkWidget *image)
+{
+ g_return_if_fail (GIMP_IS_THROBBER (button));
+ g_return_if_fail (image == NULL || GTK_IS_IMAGE (image));
+
+ if (image != button->priv->image)
+ {
+ if (button->priv->image)
+ {
+ if (gtk_widget_get_parent (button->priv->image))
+ gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (button->priv->image)),
+ button->priv->image);
+
+ g_object_unref (button->priv->image);
+ }
+
+ if (image)
+ g_object_ref_sink (image);
+
+ button->priv->image = image;
+
+ gimp_throbber_construct_contents (GTK_TOOL_ITEM (button));
+
+ g_object_notify (G_OBJECT (button), "image");
+ }
+}
+
+GtkWidget *
+gimp_throbber_get_image (GimpThrobber *button)
+{
+ g_return_val_if_fail (GIMP_IS_THROBBER (button), NULL);
+
+ return button->priv->image;
+}