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[rhythmbox] add RBAlertDialog, copied from nautilus/eel

commit 5e48aa7d9d059b8345071b8090ae9505f180fabc
Author: Jonathan Matthew <jonathan d14n org>
Date:   Sat May 22 11:10:35 2010 +1000

    add RBAlertDialog, copied from nautilus/eel

 widgets/Makefile.am       |    2 +
 widgets/rb-alert-dialog.c |  445 +++++++++++++++++++++++++++++++++++++++++++++
 widgets/rb-alert-dialog.h |   60 ++++++
 3 files changed, 507 insertions(+), 0 deletions(-)
---
diff --git a/widgets/Makefile.am b/widgets/Makefile.am
index 17128a5..a5e2171 100644
--- a/widgets/Makefile.am
+++ b/widgets/Makefile.am
@@ -2,6 +2,7 @@ noinst_LTLIBRARIES = librbwidgets.la
 
 widgetincludedir = $(includedir)/rhythmbox/widgets
 widgetinclude_HEADERS =					\
+	rb-alert-dialog.h				\
 	rb-entry-view.h					\
 	rb-property-view.h				\
 	rb-dialog.h					\
@@ -15,6 +16,7 @@ widgetinclude_HEADERS =					\
 
 librbwidgets_la_SOURCES =				\
 	$(widgetinclude_HEADERS)			\
+	rb-alert-dialog.c				\
 	rb-entry-view.c					\
 	rb-property-view.c				\
 	rb-search-entry.c				\
diff --git a/widgets/rb-alert-dialog.c b/widgets/rb-alert-dialog.c
new file mode 100644
index 0000000..a9c3a78
--- /dev/null
+++ b/widgets/rb-alert-dialog.c
@@ -0,0 +1,445 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/* rb-alert-dialog.c: An HIG compliant alert dialog.
+
+   The Gnome Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The Gnome Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the Gnome Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+
+*/
+
+/* this was originally nautilus/eel/eel-alert-dialog.c */
+
+#include <config.h>
+
+#include "rb-alert-dialog.h"
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <string.h>
+
+enum {
+  PROP_0,
+  PROP_ALERT_TYPE,
+  PROP_BUTTONS
+};
+
+struct _RBAlertDialogDetails {
+	GtkWidget *image;
+	GtkWidget *primary_label;
+	GtkWidget *secondary_label;
+	GtkWidget *details_expander;
+	GtkWidget *details_label;
+	GtkMessageType type;
+};
+
+
+static gpointer parent_class;
+
+static void rb_alert_dialog_finalize     (GObject             *object);
+static void rb_alert_dialog_class_init   (RBAlertDialogClass *klass);
+static void rb_alert_dialog_init         (RBAlertDialog      *dialog);
+static void rb_alert_dialog_style_set    (GtkWidget           *widget,
+					  GtkStyle            *prev_style);
+static void rb_alert_dialog_set_property (GObject             *object,
+					  guint                prop_id,
+					  const GValue        *value,
+					  GParamSpec          *pspec);
+static void rb_alert_dialog_get_property (GObject             *object,
+					  guint                prop_id,
+					  GValue              *value,
+					  GParamSpec          *pspec);
+static void rb_alert_dialog_add_buttons  (RBAlertDialog      *alert_dialog,
+					  GtkButtonsType       buttons);
+
+G_DEFINE_TYPE (RBAlertDialog, rb_alert_dialog, GTK_TYPE_DIALOG)
+
+static void
+rb_alert_dialog_class_init (RBAlertDialogClass *class)
+{
+	GtkWidgetClass *widget_class;
+	GObjectClass   *gobject_class;
+
+	widget_class = GTK_WIDGET_CLASS (class);
+	gobject_class = G_OBJECT_CLASS (class);
+
+	parent_class = g_type_class_peek_parent (class);
+
+	G_OBJECT_CLASS (class)->finalize = rb_alert_dialog_finalize;
+
+	widget_class->style_set = rb_alert_dialog_style_set;
+
+	gobject_class->set_property = rb_alert_dialog_set_property;
+	gobject_class->get_property = rb_alert_dialog_get_property;
+
+	gtk_widget_class_install_style_property (widget_class,
+	                                         g_param_spec_int ("alert_border",
+	                                         _("Image/label border"),
+	                                         _("Width of border around the label and image in the alert dialog"),
+	                                         0,
+	                                         G_MAXINT,
+	                                         5,
+	                                         G_PARAM_READABLE));
+
+	g_object_class_install_property (gobject_class,
+	                                 PROP_ALERT_TYPE,
+	                                 g_param_spec_enum ("alert_type",
+	                                 _("Alert Type"),
+	                                 _("The type of alert"),
+	                                 GTK_TYPE_MESSAGE_TYPE,
+	                                 GTK_MESSAGE_INFO,
+	                                 G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
+
+	g_object_class_install_property (gobject_class,
+	                                 PROP_BUTTONS,
+	                                 g_param_spec_enum ("buttons",
+	                                 _("Alert Buttons"),
+	                                 _("The buttons shown in the alert dialog"),
+	                                 GTK_TYPE_BUTTONS_TYPE,
+	                                 GTK_BUTTONS_NONE,
+	                                 G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+rb_alert_dialog_finalize (GObject *object)
+{
+	RBAlertDialog *dialog;
+
+	dialog = RB_ALERT_DIALOG (object);
+
+	g_free (dialog->details);
+
+	G_OBJECT_CLASS (rb_alert_dialog_parent_class)->finalize (object);
+}
+
+
+static void
+rb_alert_dialog_init (RBAlertDialog *dialog)
+{
+	GtkWidget *hbox;
+	GtkWidget *vbox;
+	GtkWidget *expander;
+
+	dialog->details = g_new0 (RBAlertDialogDetails, 1);
+
+	dialog->details->primary_label = gtk_label_new (NULL);
+	dialog->details->secondary_label = gtk_label_new (NULL);
+	dialog->details->details_label = gtk_label_new (NULL);
+	dialog->details->image = gtk_image_new_from_stock (NULL, GTK_ICON_SIZE_DIALOG);
+	gtk_misc_set_alignment (GTK_MISC (dialog->details->image), 0.5, 0.0);
+
+	gtk_label_set_line_wrap (GTK_LABEL (dialog->details->primary_label), TRUE);
+	gtk_label_set_selectable (GTK_LABEL (dialog->details->primary_label), TRUE);
+	gtk_label_set_use_markup (GTK_LABEL (dialog->details->primary_label), TRUE);
+	gtk_misc_set_alignment (GTK_MISC (dialog->details->primary_label), 0.0, 0.5);
+
+	gtk_label_set_line_wrap (GTK_LABEL (dialog->details->secondary_label), TRUE);
+	gtk_label_set_selectable (GTK_LABEL (dialog->details->secondary_label), TRUE);
+	gtk_misc_set_alignment (GTK_MISC (dialog->details->secondary_label), 0.0, 0.5);
+
+	gtk_label_set_line_wrap (GTK_LABEL (dialog->details->details_label), TRUE);
+	gtk_label_set_selectable (GTK_LABEL (dialog->details->details_label), TRUE);
+	gtk_misc_set_alignment (GTK_MISC (dialog->details->details_label), 0.0, 0.5);
+
+	hbox = gtk_hbox_new (FALSE, 12);
+	gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
+
+	gtk_box_pack_start (GTK_BOX (hbox), dialog->details->image,
+	                    FALSE, FALSE, 0);
+
+	vbox = gtk_vbox_new (FALSE, 12);
+
+	gtk_box_pack_start (GTK_BOX (hbox), vbox,
+	                    FALSE, FALSE, 0);
+
+	gtk_box_pack_start (GTK_BOX (vbox), dialog->details->primary_label,
+	                    FALSE, FALSE, 0);
+
+	gtk_box_pack_start (GTK_BOX (vbox), dialog->details->secondary_label,
+	                    FALSE, FALSE, 0);
+
+	expander = gtk_expander_new_with_mnemonic (_("Show more _details"));
+	dialog->details->details_expander = expander;
+	gtk_expander_set_spacing (GTK_EXPANDER (expander), 6);
+	gtk_container_add (GTK_CONTAINER (expander), dialog->details->details_label);
+
+	gtk_box_pack_start (GTK_BOX (vbox), expander,
+			    FALSE, FALSE, 0);
+
+
+	gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), hbox,
+	                    FALSE, FALSE, 0);
+
+	gtk_widget_show_all (hbox);
+	gtk_widget_hide (expander);
+
+}
+
+static void
+setup_type (RBAlertDialog *dialog,
+	    GtkMessageType  type)
+{
+	const gchar *stock_id = NULL;
+	GtkStockItem item;
+
+	switch (type) {
+		case GTK_MESSAGE_INFO:
+			stock_id = GTK_STOCK_DIALOG_INFO;
+			break;
+		case GTK_MESSAGE_QUESTION:
+			stock_id = GTK_STOCK_DIALOG_QUESTION;
+			break;
+		case GTK_MESSAGE_WARNING:
+			stock_id = GTK_STOCK_DIALOG_WARNING;
+			break;
+		case GTK_MESSAGE_ERROR:
+			stock_id = GTK_STOCK_DIALOG_ERROR;
+			break;
+		default:
+			g_warning ("Unknown GtkMessageType %d", type);
+			break;
+	}
+
+	if (stock_id == NULL) {
+		stock_id = GTK_STOCK_DIALOG_INFO;
+	}
+
+	if (gtk_stock_lookup (stock_id, &item)) {
+		gtk_image_set_from_stock (GTK_IMAGE (dialog->details->image), stock_id,
+		                          GTK_ICON_SIZE_DIALOG);
+	} else {
+		g_warning ("Stock dialog ID doesn't exist?");
+	}
+}
+
+static void
+rb_alert_dialog_set_property (GObject      *object,
+                               guint         prop_id,
+                               const GValue *value,
+                               GParamSpec   *pspec)
+{
+	RBAlertDialog *dialog;
+
+	dialog = RB_ALERT_DIALOG (object);
+
+	switch (prop_id) {
+		case PROP_ALERT_TYPE:
+			dialog->details->type = g_value_get_enum (value);
+			setup_type (dialog, dialog->details->type);
+			break;
+		case PROP_BUTTONS:
+			rb_alert_dialog_add_buttons (dialog, g_value_get_enum (value));
+			break;
+		default:
+			G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+			break;
+	}
+}
+
+static void
+rb_alert_dialog_get_property (GObject     *object,
+                               guint        prop_id,
+                               GValue      *value,
+                               GParamSpec  *pspec)
+{
+	RBAlertDialog *dialog;
+
+	dialog = RB_ALERT_DIALOG (object);
+
+	switch (prop_id) {
+		case PROP_ALERT_TYPE:
+			g_value_set_enum (value, dialog->details->type);
+			break;
+		default:
+			G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+			break;
+	}
+}
+
+void
+rb_alert_dialog_set_primary_label (RBAlertDialog *dialog,
+                                    const gchar *message)
+{
+	gchar *markup_str;
+	char *escaped_message;
+
+	if (message != NULL) {
+		escaped_message = g_markup_escape_text (message, -1);
+		markup_str = g_strconcat ("<span weight=\"bold\" size=\"larger\">", escaped_message, "</span>", NULL);
+		gtk_label_set_markup (GTK_LABEL (RB_ALERT_DIALOG (dialog)->details->primary_label),
+		                      markup_str);
+		g_free (markup_str);
+		g_free (escaped_message);
+	}
+}
+
+void
+rb_alert_dialog_set_secondary_label (RBAlertDialog *dialog,
+                                      const gchar *message)
+{
+	if (message != NULL) {
+		gtk_label_set_text (GTK_LABEL (RB_ALERT_DIALOG (dialog)->details->secondary_label),
+		                    message);
+	} else {
+		gtk_widget_hide (RB_ALERT_DIALOG (dialog)->details->secondary_label);
+	}
+}
+
+void
+rb_alert_dialog_set_details_label (RBAlertDialog *dialog,
+				    const gchar    *message)
+{
+	if (message != NULL) {
+		gtk_widget_show (dialog->details->details_expander);
+		gtk_label_set_text (GTK_LABEL (dialog->details->details_label), message);
+	} else {
+		gtk_widget_hide (dialog->details->details_expander);
+	}
+}
+
+
+GtkWidget*
+rb_alert_dialog_new (GtkWindow     *parent,
+                      GtkDialogFlags flags,
+                      GtkMessageType type,
+                      GtkButtonsType buttons,
+                      const gchar   *primary_message,
+                      const gchar   *secondary_message)
+{
+	GtkWidget *widget;
+	GtkDialog *dialog;
+
+	g_return_val_if_fail (parent == NULL || GTK_IS_WINDOW (parent), NULL);
+
+	widget = g_object_new (RB_TYPE_ALERT_DIALOG,
+	                       "alert_type", type,
+	                       "buttons", buttons,
+	                       NULL);
+	atk_object_set_role (gtk_widget_get_accessible (widget), ATK_ROLE_ALERT);
+
+	dialog = GTK_DIALOG (widget);
+
+	gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
+	gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (dialog)->vbox), 14);
+	gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
+	gtk_dialog_set_has_separator (dialog, FALSE);
+
+	/* Make sure we don't get a window title.
+         * HIG says that alert dialogs should not have window title
+         */
+	gtk_window_set_title (GTK_WINDOW (dialog), "");
+	gtk_window_set_skip_taskbar_hint (GTK_WINDOW (dialog), TRUE);
+
+	rb_alert_dialog_set_primary_label (RB_ALERT_DIALOG (dialog),
+	                                    primary_message);
+
+	rb_alert_dialog_set_secondary_label (RB_ALERT_DIALOG (dialog),
+	                                      secondary_message);
+
+	if (parent != NULL) {
+		gtk_window_set_transient_for (GTK_WINDOW (widget),
+		                              GTK_WINDOW (parent));
+	}
+
+	if (flags & GTK_DIALOG_MODAL) {
+		gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
+	}
+
+	if (flags & GTK_DIALOG_DESTROY_WITH_PARENT) {
+		gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
+	}
+	return widget;
+}
+
+static void
+rb_alert_dialog_add_buttons (RBAlertDialog* alert_dialog,
+                              GtkButtonsType  buttons)
+{
+	GtkDialog* dialog;
+
+	dialog = GTK_DIALOG (alert_dialog);
+
+	switch (buttons) {
+		case GTK_BUTTONS_NONE:
+			break;
+		case GTK_BUTTONS_OK:
+			gtk_dialog_add_button (dialog,
+		                               GTK_STOCK_OK,
+			                       GTK_RESPONSE_OK);
+			gtk_dialog_set_default_response (dialog,
+			                                GTK_RESPONSE_OK);
+			break;
+		case GTK_BUTTONS_CLOSE:
+			gtk_dialog_add_button (dialog,
+		                               GTK_STOCK_CLOSE,
+			                      GTK_RESPONSE_CLOSE);
+			gtk_dialog_set_default_response (dialog,
+			                                 GTK_RESPONSE_CLOSE);
+			break;
+		case GTK_BUTTONS_CANCEL:
+			gtk_dialog_add_button (dialog,
+			                       GTK_STOCK_CANCEL,
+			                       GTK_RESPONSE_CANCEL);
+			gtk_dialog_set_default_response (dialog,
+			                                 GTK_RESPONSE_CANCEL);
+			break;
+		case GTK_BUTTONS_YES_NO:
+			gtk_dialog_add_button (dialog,
+			                       GTK_STOCK_NO,
+			                       GTK_RESPONSE_NO);
+			gtk_dialog_add_button (dialog,
+			                       GTK_STOCK_YES,
+			                       GTK_RESPONSE_YES);
+			gtk_dialog_set_default_response (dialog,
+			                                 GTK_RESPONSE_YES);
+			break;
+		case GTK_BUTTONS_OK_CANCEL:
+			gtk_dialog_add_button (dialog,
+			                       GTK_STOCK_CANCEL,
+			                       GTK_RESPONSE_CANCEL);
+			gtk_dialog_add_button (dialog,
+			                       GTK_STOCK_OK,
+			                       GTK_RESPONSE_OK);
+			gtk_dialog_set_default_response (dialog,
+			                                 GTK_RESPONSE_OK);
+			break;
+		default:
+			g_warning ("Unknown GtkButtonsType");
+			break;
+	}
+	g_object_notify (G_OBJECT (alert_dialog), "buttons");
+}
+
+static void
+rb_alert_dialog_style_set (GtkWidget *widget,
+                            GtkStyle  *prev_style)
+{
+	GtkWidget *parent;
+	gint border_width;
+
+	border_width = 0;
+
+	parent = GTK_WIDGET (RB_ALERT_DIALOG (widget)->details->image->parent);
+
+	if (parent != NULL) {
+		gtk_widget_style_get (widget, "alert_border",
+		                      &border_width, NULL);
+
+		gtk_container_set_border_width (GTK_CONTAINER (parent),
+		                                border_width);
+	}
+
+	if (GTK_WIDGET_CLASS (parent_class)->style_set) {
+		(GTK_WIDGET_CLASS (parent_class)->style_set) (widget, prev_style);
+	}
+}
diff --git a/widgets/rb-alert-dialog.h b/widgets/rb-alert-dialog.h
new file mode 100644
index 0000000..40ab348
--- /dev/null
+++ b/widgets/rb-alert-dialog.h
@@ -0,0 +1,60 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/* rb-alert-dialog.h: An HIG compliant alert dialog.
+
+   The Gnome Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The Gnome Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the Gnome Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+
+*/
+
+#ifndef RB_ALERT_DIALOG_H
+#define RB_ALERT_DIALOG_H
+
+#include <gtk/gtk.h>
+
+#define RB_TYPE_ALERT_DIALOG        (rb_alert_dialog_get_type ())
+#define RB_ALERT_DIALOG(obj)        (G_TYPE_CHECK_INSTANCE_CAST ((obj), RB_TYPE_ALERT_DIALOG, RBAlertDialog))
+
+typedef struct _RBAlertDialog        RBAlertDialog;
+typedef struct _RBAlertDialogClass   RBAlertDialogClass;
+typedef struct _RBAlertDialogDetails RBAlertDialogDetails;
+
+struct _RBAlertDialog
+{
+	GtkDialog parent_instance;
+	RBAlertDialogDetails *details;
+};
+
+struct _RBAlertDialogClass
+{
+	GtkDialogClass parent_class;
+};
+
+GType      rb_alert_dialog_get_type (void);
+
+GtkWidget* rb_alert_dialog_new                 (GtkWindow      *parent,
+                                                GtkDialogFlags  flags,
+                                                GtkMessageType  type,
+                                                GtkButtonsType  buttons,
+                                                const gchar    *primary_message,
+                                                const gchar    *secondary_message);
+void       rb_alert_dialog_set_primary_label   (RBAlertDialog *dialog,
+		                                const gchar    *message);
+void       rb_alert_dialog_set_secondary_label (RBAlertDialog *dialog,
+		                                const gchar    *message);
+void       rb_alert_dialog_set_details_label   (RBAlertDialog *dialog,
+						const gchar    *message);
+
+#endif /* RB_ALERT_DIALOG_H */
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