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-rw-r--r--widgets/e-msg-composer-attachment.c461
1 files changed, 461 insertions, 0 deletions
diff --git a/widgets/e-msg-composer-attachment.c b/widgets/e-msg-composer-attachment.c
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+++ b/widgets/e-msg-composer-attachment.c
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+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-msg-composer-attachment.c
+ *
+ * Copyright (C) 1999 Helix Code, Inc.
+ *
+ * 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli
+ */
+
+#include <gnome.h>
+#include "e-msg-composer-attachment.h"
+
+
+enum {
+ CHANGED,
+ LAST_SIGNAL
+};
+guint signals[LAST_SIGNAL] = { 0 };
+
+static GtkObjectClass *parent_class = NULL;
+
+
+/* Utility functions. */
+
+static const gchar *
+get_mime_type (const gchar *file_name)
+{
+ const gchar *mime_type;
+
+ mime_type = gnome_mime_type_of_file (file_name);
+ if (mime_type == NULL)
+ mime_type = "application/octet-stream";
+
+ return mime_type;
+}
+
+static void
+init_mime_type (EMsgComposerAttachment *attachment)
+{
+ attachment->mime_type = g_strdup (get_mime_type (attachment->file_name));
+}
+
+static void
+set_mime_type (EMsgComposerAttachment *attachment)
+{
+ g_free (attachment->mime_type);
+ init_mime_type (attachment);
+}
+
+static void
+changed (EMsgComposerAttachment *attachment)
+{
+ gtk_signal_emit (GTK_OBJECT (attachment), signals[CHANGED]);
+}
+
+
+/* GtkObject methods. */
+
+static void
+destroy (GtkObject *object)
+{
+ EMsgComposerAttachment *attachment;
+
+ attachment = E_MSG_COMPOSER_ATTACHMENT (object);
+
+ g_free (attachment->file_name);
+ g_free (attachment->description);
+ g_free (attachment->mime_type);
+}
+
+
+/* Signals. */
+
+static void
+real_changed (EMsgComposerAttachment *msg_composer_attachment)
+{
+ g_return_if_fail (msg_composer_attachment != NULL);
+ g_return_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT (msg_composer_attachment));
+
+}
+
+
+static void
+class_init (EMsgComposerAttachmentClass *klass)
+{
+ GtkObjectClass *object_class;
+
+ object_class = (GtkObjectClass*) klass;
+
+ parent_class = gtk_type_class (gtk_object_get_type ());
+
+ object_class->destroy = destroy;
+
+ signals[CHANGED] = gtk_signal_new ("changed",
+ GTK_RUN_FIRST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET
+ (EMsgComposerAttachmentClass,
+ changed),
+ gtk_marshal_NONE__NONE,
+ GTK_TYPE_NONE, 0);
+
+
+ gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
+
+ klass->changed = real_changed;
+}
+
+static void
+init (EMsgComposerAttachment *msg_composer_attachment)
+{
+}
+
+GtkType
+e_msg_composer_attachment_get_type (void)
+{
+ static GtkType type = 0;
+
+ if (type == 0) {
+ static const GtkTypeInfo info = {
+ "EMsgComposerAttachment",
+ sizeof (EMsgComposerAttachment),
+ sizeof (EMsgComposerAttachmentClass),
+ (GtkClassInitFunc) class_init,
+ (GtkObjectInitFunc) init,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
+ };
+
+ type = gtk_type_unique (gtk_object_get_type (), &info);
+ }
+
+ return type;
+}
+
+
+/**
+ * e_msg_composer_attachment_new:
+ * @file_name:
+ *
+ * Return value:
+ **/
+EMsgComposerAttachment *
+e_msg_composer_attachment_new (const gchar *file_name)
+{
+ EMsgComposerAttachment *new;
+
+ g_return_val_if_fail (file_name != NULL, NULL);
+
+ new = gtk_type_new (e_msg_composer_attachment_get_type ());
+
+ new->editor_gui = NULL;
+
+ new->file_name = g_strdup (file_name);
+ new->description = g_strdup (g_basename (new->file_name));
+
+ init_mime_type (new);
+
+ return new;
+}
+
+
+/* The attachment property dialog. */
+
+struct _DialogData {
+ GtkWidget *dialog;
+ GtkEntry *file_name_entry;
+ GtkEntry *description_entry;
+ GtkEntry *mime_type_entry;
+ GtkWidget *browse_widget;
+ EMsgComposerAttachment *attachment;
+};
+typedef struct _DialogData DialogData;
+
+static void
+destroy_dialog_data (DialogData *data)
+{
+ if (data->browse_widget != NULL)
+ gtk_widget_destroy (data->browse_widget);
+ g_free (data);
+}
+
+static void
+update_mime_type (DialogData *data)
+{
+ const gchar *mime_type;
+ const gchar *file_name;
+
+ file_name = gtk_entry_get_text (data->file_name_entry);
+ mime_type = get_mime_type (file_name);
+
+ gtk_entry_set_text (data->mime_type_entry, mime_type);
+}
+
+static void
+browse_ok_cb (GtkWidget *widget,
+ gpointer data)
+{
+ GtkWidget *file_selection;
+ DialogData *dialog_data;
+ const gchar *file_name;
+
+ dialog_data = (DialogData *) data;
+ file_selection = gtk_widget_get_toplevel (widget);
+
+ file_name = gtk_file_selection_get_filename
+ (GTK_FILE_SELECTION (file_selection));
+
+ gtk_entry_set_text (dialog_data->file_name_entry, file_name);
+
+ update_mime_type (dialog_data);
+
+ gtk_widget_hide (file_selection);
+}
+
+static void
+browse (DialogData *data)
+{
+ if (data->browse_widget == NULL) {
+ GtkWidget *file_selection;
+ GtkWidget *cancel_button;
+ GtkWidget *ok_button;
+
+ file_selection
+ = gtk_file_selection_new (_("Select attachment"));
+ gtk_window_set_position (GTK_WINDOW (file_selection),
+ GTK_WIN_POS_MOUSE);
+ gtk_window_set_transient_for (GTK_WINDOW (file_selection),
+ GTK_WINDOW (data->dialog));
+
+ ok_button = GTK_FILE_SELECTION (file_selection)->ok_button;
+ gtk_signal_connect (GTK_OBJECT (ok_button),
+ "clicked", GTK_SIGNAL_FUNC (browse_ok_cb),
+ data);
+
+ cancel_button
+ = GTK_FILE_SELECTION (file_selection)->cancel_button;
+ gtk_signal_connect_object (GTK_OBJECT (cancel_button),
+ "clicked",
+ GTK_SIGNAL_FUNC (gtk_widget_hide),
+ GTK_OBJECT (file_selection));
+
+ data->browse_widget = file_selection;
+ }
+
+ gtk_widget_show (GTK_WIDGET (data->browse_widget));
+}
+
+static void
+set_entry (GladeXML *xml,
+ const gchar *widget_name,
+ const gchar *value)
+{
+ GtkEntry *entry;
+
+ entry = GTK_ENTRY (glade_xml_get_widget (xml, widget_name));
+ if (entry == NULL)
+ g_warning ("Entry for `%s' not found.", widget_name);
+ gtk_entry_set_text (entry, value);
+}
+
+static void
+connect_entry_changed (GladeXML *gui,
+ const gchar *name,
+ GtkSignalFunc func,
+ gpointer data)
+{
+ GtkWidget *widget;
+
+ widget = glade_xml_get_widget (gui, name);
+ gtk_signal_connect (GTK_OBJECT (widget), "changed", func, data);
+}
+
+static void
+connect_widget (GladeXML *gui,
+ const gchar *name,
+ const gchar *signal_name,
+ GtkSignalFunc func,
+ gpointer data)
+{
+ GtkWidget *widget;
+
+ widget = glade_xml_get_widget (gui, name);
+ gtk_signal_connect (GTK_OBJECT (widget), signal_name, func, data);
+}
+
+static void
+apply (DialogData *data)
+{
+ EMsgComposerAttachment *attachment;
+
+ attachment = data->attachment;
+
+ g_free (attachment->file_name);
+ attachment->file_name = g_strdup (gtk_entry_get_text
+ (data->file_name_entry));
+
+ g_free (attachment->description);
+ attachment->description = g_strdup (gtk_entry_get_text
+ (data->description_entry));
+
+ g_free (attachment->mime_type);
+ attachment->mime_type = g_strdup (gtk_entry_get_text
+ (data->mime_type_entry));
+
+ changed (attachment);
+}
+
+static void
+entry_changed_cb (GtkWidget *widget, gpointer data)
+{
+ DialogData *dialog_data;
+ GladeXML *gui;
+ GtkWidget *apply_button;
+
+ dialog_data = (DialogData *) data;
+ gui = dialog_data->attachment->editor_gui;
+
+ apply_button = glade_xml_get_widget (gui, "apply_button");
+ gtk_widget_set_sensitive (apply_button, TRUE);
+}
+
+static void
+close_cb (GtkWidget *widget,
+ gpointer data)
+{
+ EMsgComposerAttachment *attachment;
+ DialogData *dialog_data;
+
+ dialog_data = (DialogData *) data;
+ attachment = dialog_data->attachment;
+
+ gtk_widget_destroy (glade_xml_get_widget (attachment->editor_gui,
+ "dialog"));
+ gtk_object_unref (GTK_OBJECT (attachment->editor_gui));
+ attachment->editor_gui = NULL;
+
+ destroy_dialog_data (dialog_data);
+}
+
+static void
+apply_cb (GtkWidget *widget,
+ gpointer data)
+{
+ DialogData *dialog_data;
+
+ dialog_data = (DialogData *) data;
+ apply (dialog_data);
+}
+
+static void
+ok_cb (GtkWidget *widget,
+ gpointer data)
+{
+ apply_cb (widget, data);
+ close_cb (widget, data);
+}
+
+static void
+browse_cb (GtkWidget *widget,
+ gpointer data)
+{
+ DialogData *dialog_data;
+
+ dialog_data = (DialogData *) data;
+ browse (dialog_data);
+}
+
+static void
+file_name_focus_out_cb (GtkWidget *widget,
+ GdkEventFocus *event,
+ gpointer data)
+{
+ DialogData *dialog_data;
+
+ dialog_data = (DialogData *) data;
+ update_mime_type (dialog_data);
+}
+
+
+void
+e_msg_composer_attachment_edit (EMsgComposerAttachment *attachment,
+ GtkWidget *parent)
+{
+ DialogData *dialog_data;
+ GladeXML *editor_gui;
+
+ g_return_if_fail (attachment != NULL);
+ g_return_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT (attachment));
+
+ if (attachment->editor_gui != NULL) {
+ GtkWidget *window;
+
+ window = glade_xml_get_widget (attachment->editor_gui,
+ "dialog");
+ gdk_window_show (window->window);
+ return;
+ }
+
+ editor_gui = glade_xml_new (E_GUIDIR "/e-msg-composer-attachment.glade",
+ NULL);
+ if (editor_gui == NULL) {
+ g_warning ("Cannot load `e-msg-composer-attachment.glade'");
+ return;
+ }
+
+ attachment->editor_gui = editor_gui;
+
+ gtk_window_set_transient_for
+ (GTK_WINDOW (glade_xml_get_widget (editor_gui, "dialog")),
+ GTK_WINDOW (gtk_widget_get_toplevel (parent)));
+
+ dialog_data = g_new (DialogData, 1);
+ dialog_data->browse_widget = NULL;
+ dialog_data->attachment = attachment;
+ dialog_data->dialog = glade_xml_get_widget (editor_gui, "dialog");
+ dialog_data->file_name_entry = GTK_ENTRY (glade_xml_get_widget
+ (editor_gui,
+ "file_name_entry"));
+ dialog_data->description_entry = GTK_ENTRY (glade_xml_get_widget
+ (editor_gui,
+ "description_entry"));
+ dialog_data->mime_type_entry = GTK_ENTRY (glade_xml_get_widget
+ (editor_gui,
+ "mime_type_entry"));
+
+ if (attachment != NULL) {
+ set_entry (editor_gui, "file_name_entry", attachment->file_name);
+ set_entry (editor_gui, "description_entry", attachment->description);
+ set_entry (editor_gui, "mime_type_entry", attachment->mime_type);
+ }
+
+ connect_entry_changed (editor_gui, "file_name_entry",
+ entry_changed_cb, dialog_data);
+ connect_entry_changed (editor_gui, "description_entry",
+ entry_changed_cb, dialog_data);
+
+ connect_widget (editor_gui, "ok_button", "clicked", ok_cb, dialog_data);
+ connect_widget (editor_gui, "apply_button", "clicked", apply_cb, dialog_data);
+ connect_widget (editor_gui, "close_button", "clicked", close_cb, dialog_data);
+
+ connect_widget (editor_gui, "browse_button", "clicked", browse_cb, dialog_data);
+
+ connect_widget (editor_gui, "file_name_entry", "focus_out_event",
+ file_name_focus_out_cb, dialog_data);
+}