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authorEttore Perazzoli <ettore@src.gnome.org>1999-11-06 07:06:09 +0800
committerEttore Perazzoli <ettore@src.gnome.org>1999-11-06 07:06:09 +0800
commitb681ec2b9a98684ef821f9b6fbdb9a231a58d4b5 (patch)
tree6dc964528b9db296aa1dfedde9a2b2122fd0db8e /widgets/e-msg-composer-attachment-bar.c
parentc8fce201dc8b14505f2e0387689947922e08f956 (diff)
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Here is my initial Evolution work: message composition widget and some
installation fixes for Camel. svn path=/trunk/; revision=1369
Diffstat (limited to 'widgets/e-msg-composer-attachment-bar.c')
-rw-r--r--widgets/e-msg-composer-attachment-bar.c602
1 files changed, 602 insertions, 0 deletions
diff --git a/widgets/e-msg-composer-attachment-bar.c b/widgets/e-msg-composer-attachment-bar.c
new file mode 100644
index 0000000000..25cc2ff138
--- /dev/null
+++ b/widgets/e-msg-composer-attachment-bar.c
@@ -0,0 +1,602 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-msg-composer-attachment-bar.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 <glade/glade.h>
+
+#include "e-msg-composer-attachment.h"
+#include "e-msg-composer-attachment-bar.h"
+
+
+#define ICON_WIDTH 64
+#define ICON_SEPARATORS " /-_."
+#define ICON_SPACING 2
+#define ICON_ROW_SPACING ICON_SPACING
+#define ICON_COL_SPACING ICON_SPACING
+#define ICON_BORDER 2
+#define ICON_TEXT_SPACING 2
+
+
+static GnomeIconListClass *parent_class = NULL;
+
+struct _EMsgComposerAttachmentBarPrivate {
+ GList *attachments;
+ guint num_attachments;
+
+ GtkWidget *context_menu;
+ GtkWidget *icon_context_menu;
+};
+
+
+enum {
+ CHANGED,
+ LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+
+static void update (EMsgComposerAttachmentBar *bar);
+
+
+/* Sorting. */
+
+static gint
+attachment_sort_func (gconstpointer a, gconstpointer b)
+{
+ const EMsgComposerAttachment *attachment_a, *attachment_b;
+
+ attachment_a = (EMsgComposerAttachment *) a;
+ attachment_b = (EMsgComposerAttachment *) b;
+
+ return strcmp (attachment_a->description, attachment_b->description);
+}
+
+static void
+sort (EMsgComposerAttachmentBar *bar)
+{
+ EMsgComposerAttachmentBarPrivate *priv;
+
+ priv = bar->priv;
+
+ priv->attachments = g_list_sort (priv->attachments,
+ attachment_sort_func);
+}
+
+
+/* Attachment handling functions. */
+
+static void
+free_attachment_list (EMsgComposerAttachmentBar *bar)
+{
+ EMsgComposerAttachmentBarPrivate *priv;
+ GList *p;
+
+ priv = bar->priv;
+
+ for (p = priv->attachments; p != NULL; p = p->next)
+ gtk_object_unref (GTK_OBJECT (p->data));
+}
+
+static void
+attachment_changed_cb (EMsgComposerAttachment *attachment,
+ gpointer data)
+{
+ update (E_MSG_COMPOSER_ATTACHMENT_BAR (data));
+}
+
+static void
+add_from_file (EMsgComposerAttachmentBar *bar,
+ const gchar *file_name)
+{
+ EMsgComposerAttachment *attachment;
+
+ attachment = e_msg_composer_attachment_new (file_name);
+
+ gtk_signal_connect (GTK_OBJECT (attachment), "changed",
+ GTK_SIGNAL_FUNC (attachment_changed_cb),
+ bar);
+
+ bar->priv->attachments = g_list_append (bar->priv->attachments,
+ attachment);
+ bar->priv->num_attachments++;
+
+ sort (bar);
+ update (bar);
+
+ gtk_signal_emit (GTK_OBJECT (bar), signals[CHANGED]);
+}
+
+static void
+remove_attachment (EMsgComposerAttachmentBar *bar,
+ EMsgComposerAttachment *attachment)
+{
+ bar->priv->attachments = g_list_remove (bar->priv->attachments,
+ attachment);
+ bar->priv->num_attachments--;
+
+ gtk_object_unref (GTK_OBJECT (attachment));
+
+ gtk_signal_emit (GTK_OBJECT (bar), signals[CHANGED]);
+}
+
+
+/* Icon list contents handling. */
+
+static void
+update (EMsgComposerAttachmentBar *bar)
+{
+ EMsgComposerAttachmentBarPrivate *priv;
+ GnomeIconList *icon_list;
+ GList *p;
+
+ priv = bar->priv;
+ icon_list = GNOME_ICON_LIST (bar);
+
+ gnome_icon_list_freeze (icon_list);
+
+ gnome_icon_list_clear (icon_list);
+
+ /* FIXME could be faster, but we don't care. */
+
+ for (p = priv->attachments; p != NULL; p = p->next) {
+ EMsgComposerAttachment *attachment;
+ const gchar *icon_name;
+
+ attachment = p->data;
+ icon_name = gnome_mime_get_value (attachment->mime_type,
+ "icon-filename");
+
+ /* FIXME we need some better default icon. */
+ if (icon_name == NULL)
+ icon_name = gnome_mime_get_value ("text/plain",
+ "icon-filename");
+
+ gnome_icon_list_append (icon_list, icon_name,
+ attachment->description);
+ }
+
+ gnome_icon_list_thaw (icon_list);
+}
+
+static void
+remove_selected (EMsgComposerAttachmentBar *bar)
+{
+ GnomeIconList *icon_list;
+ EMsgComposerAttachment *attachment;
+ gint num;
+
+ icon_list = GNOME_ICON_LIST (bar);
+ num = GPOINTER_TO_INT (icon_list->selection->data);
+
+ /* FIXME do this with icon data. */
+
+ attachment = E_MSG_COMPOSER_ATTACHMENT
+ (g_list_nth (bar->priv->attachments, num)->data);
+
+ remove_attachment (bar, attachment);
+ update (bar);
+}
+
+static void
+edit_selected (EMsgComposerAttachmentBar *bar)
+{
+ GnomeIconList *icon_list;
+ EMsgComposerAttachment *attachment;
+ gint num;
+
+ icon_list = GNOME_ICON_LIST (bar);
+
+ num = GPOINTER_TO_INT (icon_list->selection->data);
+ attachment = g_list_nth (bar->priv->attachments, num)->data;
+
+ e_msg_composer_attachment_edit (attachment, GTK_WIDGET (bar));
+}
+
+
+/* "Attach" dialog. */
+
+static void
+attach_cb (GtkWidget *widget,
+ gpointer data)
+{
+ EMsgComposerAttachmentBar *bar;
+ GtkWidget *file_selection;
+ const gchar *file_name;
+
+ file_selection = gtk_widget_get_toplevel (widget);
+ bar = E_MSG_COMPOSER_ATTACHMENT_BAR (data);
+
+ file_name = gtk_file_selection_get_filename
+ (GTK_FILE_SELECTION (file_selection));
+ add_from_file (bar, file_name);
+
+ gtk_widget_hide (file_selection);
+}
+
+static void
+add_from_user (EMsgComposerAttachmentBar *bar)
+{
+ GtkWidget *file_selection;
+ GtkWidget *cancel_button;
+ GtkWidget *ok_button;
+
+ file_selection = gtk_file_selection_new (_("Add attachment"));
+ gtk_window_set_position (GTK_WINDOW (file_selection),
+ GTK_WIN_POS_MOUSE);
+
+ ok_button = GTK_FILE_SELECTION (file_selection)->ok_button;
+ gtk_signal_connect (GTK_OBJECT (ok_button),
+ "clicked", GTK_SIGNAL_FUNC (attach_cb), bar);
+
+ 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));
+
+ gtk_widget_show (GTK_WIDGET (file_selection));
+}
+
+
+/* Callbacks. */
+
+static void
+add_cb (GtkWidget *widget,
+ gpointer data)
+{
+ g_return_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT_BAR (data));
+
+ add_from_user (E_MSG_COMPOSER_ATTACHMENT_BAR (data));
+}
+
+static void
+properties_cb (GtkWidget *widget,
+ gpointer data)
+{
+ EMsgComposerAttachmentBar *bar;
+
+ g_return_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT_BAR (data));
+
+ bar = E_MSG_COMPOSER_ATTACHMENT_BAR (data);
+ edit_selected (data);
+}
+
+static void
+remove_cb (GtkWidget *widget,
+ gpointer data)
+{
+ EMsgComposerAttachmentBar *bar;
+
+ g_return_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT_BAR (data));
+
+ bar = E_MSG_COMPOSER_ATTACHMENT_BAR (data);
+ remove_selected (bar);
+}
+
+
+/* Popup menu handling. */
+
+static GnomeUIInfo icon_context_menu_info[] = {
+ GNOMEUIINFO_ITEM (N_("Remove"),
+ N_("Remove this item from the attachment list"),
+ remove_cb, NULL),
+ GNOMEUIINFO_MENU_PROPERTIES_ITEM (properties_cb, NULL),
+ GNOMEUIINFO_END
+};
+
+static GtkWidget *
+get_icon_context_menu (EMsgComposerAttachmentBar *bar)
+{
+ EMsgComposerAttachmentBarPrivate *priv;
+
+ priv = bar->priv;
+ if (priv->icon_context_menu == NULL)
+ priv->icon_context_menu = gnome_popup_menu_new
+ (icon_context_menu_info);
+
+ return priv->icon_context_menu;
+}
+
+static void
+popup_icon_context_menu (EMsgComposerAttachmentBar *bar,
+ gint num,
+ GdkEventButton *event)
+{
+ GtkWidget *menu;
+
+ menu = get_icon_context_menu (bar);
+ gnome_popup_menu_do_popup (menu, NULL, NULL, event, bar);
+}
+
+static GnomeUIInfo context_menu_info[] = {
+ GNOMEUIINFO_ITEM (N_("Add attachment..."),
+ N_("Attach a file to the message"),
+ add_cb, NULL),
+ GNOMEUIINFO_END
+};
+
+static GtkWidget *
+get_context_menu (EMsgComposerAttachmentBar *bar)
+{
+ EMsgComposerAttachmentBarPrivate *priv;
+
+ priv = bar->priv;
+ if (priv->context_menu == NULL)
+ priv->context_menu = gnome_popup_menu_new (context_menu_info);
+
+ return priv->context_menu;
+}
+
+static void
+popup_context_menu (EMsgComposerAttachmentBar *bar,
+ GdkEventButton *event)
+{
+ GtkWidget *menu;
+
+ menu = get_context_menu (bar);
+ gnome_popup_menu_do_popup (menu, NULL, NULL, event, bar);
+}
+
+
+/* GtkObject methods. */
+
+static void
+destroy (GtkObject *object)
+{
+ EMsgComposerAttachmentBar *bar;
+
+ bar = E_MSG_COMPOSER_ATTACHMENT_BAR (object);
+
+ free_attachment_list (bar);
+}
+
+
+/* GtkWidget methods. */
+
+static gint
+button_press_event (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ EMsgComposerAttachmentBar *bar;
+ GnomeIconList *icon_list;
+ gint icon_number;
+
+ bar = E_MSG_COMPOSER_ATTACHMENT_BAR (widget);
+ icon_list = GNOME_ICON_LIST (widget);
+
+ if (event->button != 3)
+ return GTK_WIDGET_CLASS (parent_class)->button_press_event
+ (widget, event);
+
+ icon_number = gnome_icon_list_get_icon_at (icon_list,
+ event->x, event->y);
+
+ if (icon_number >= 0) {
+ gnome_icon_list_select_icon (icon_list, icon_number);
+ popup_icon_context_menu (bar, icon_number, event);
+ } else {
+ popup_context_menu (bar, event);
+ }
+
+ return TRUE;
+}
+
+
+/* GnomeIconList methods. */
+
+static gboolean
+text_changed (GnomeIconList *gil,
+ gint num,
+ const gchar *new_text)
+{
+ EMsgComposerAttachmentBar *bar;
+ EMsgComposerAttachment *attachment;
+ GList *p;
+
+ bar = E_MSG_COMPOSER_ATTACHMENT_BAR (gil);
+ p = g_list_nth (bar->priv->attachments, num);
+ attachment = p->data;
+
+ g_free (attachment->description);
+ attachment->description = g_strdup (new_text);
+
+ return TRUE;
+}
+
+
+/* Initialization. */
+
+static void
+class_init (EMsgComposerAttachmentBarClass *class)
+{
+ GtkObjectClass *object_class;
+ GtkWidgetClass *widget_class;
+ GnomeIconListClass *icon_list_class;
+
+ object_class = GTK_OBJECT_CLASS (class);
+ widget_class = GTK_WIDGET_CLASS (class);
+ icon_list_class = GNOME_ICON_LIST_CLASS (class);
+
+ parent_class = gtk_type_class (gnome_icon_list_get_type ());
+
+ object_class->destroy = destroy;
+
+ widget_class->button_press_event = button_press_event;
+
+ icon_list_class->text_changed = text_changed;
+
+ /* Setup signals. */
+
+ signals[CHANGED] =
+ gtk_signal_new ("changed",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (EMsgComposerAttachmentBarClass,
+ changed),
+ gtk_marshal_NONE__NONE,
+ GTK_TYPE_NONE, 0);
+
+ gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
+}
+
+static void
+init (EMsgComposerAttachmentBar *bar)
+{
+ EMsgComposerAttachmentBarPrivate *priv;
+ guint icon_size;
+
+ priv = g_new (EMsgComposerAttachmentBarPrivate, 1);
+
+ priv->attachments = NULL;
+ priv->context_menu = NULL;
+ priv->icon_context_menu = NULL;
+
+ priv->num_attachments = 0;
+
+ bar->priv = priv;
+
+ /* FIXME partly hardcoded. We should compute height from the font, and
+ allow at least 2 lines for every item. */
+ icon_size = ICON_WIDTH + ICON_SPACING + ICON_BORDER + ICON_TEXT_SPACING + 24;
+
+ gtk_widget_set_usize (GTK_WIDGET (bar), icon_size * 4, icon_size);
+}
+
+
+GtkType
+e_msg_composer_attachment_bar_get_type (void)
+{
+ static GtkType type = 0;
+
+ if (type == 0) {
+ static const GtkTypeInfo info = {
+ "EMsgComposerAttachmentBar",
+ sizeof (EMsgComposerAttachmentBar),
+ sizeof (EMsgComposerAttachmentBarClass),
+ (GtkClassInitFunc) class_init,
+ (GtkObjectInitFunc) init,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
+ };
+
+ type = gtk_type_unique (gnome_icon_list_get_type (), &info);
+ }
+
+ return type;
+}
+
+GtkWidget *
+e_msg_composer_attachment_bar_new (GtkAdjustment *adj)
+{
+ EMsgComposerAttachmentBar *new;
+ GnomeIconList *icon_list;
+
+ gtk_widget_push_visual (gdk_imlib_get_visual ());
+ gtk_widget_push_colormap (gdk_imlib_get_colormap ());
+ new = gtk_type_new (e_msg_composer_attachment_bar_get_type ());
+ gtk_widget_pop_visual ();
+ gtk_widget_pop_colormap ();
+
+ icon_list = GNOME_ICON_LIST (new);
+
+ gnome_icon_list_construct (icon_list, ICON_WIDTH, adj,
+ GNOME_ICON_LIST_IS_EDITABLE);
+
+ gnome_icon_list_set_separators (icon_list, ICON_SEPARATORS);
+ gnome_icon_list_set_row_spacing (icon_list, ICON_ROW_SPACING);
+ gnome_icon_list_set_col_spacing (icon_list, ICON_COL_SPACING);
+ gnome_icon_list_set_icon_border (icon_list, ICON_BORDER);
+ gnome_icon_list_set_text_spacing (icon_list, ICON_TEXT_SPACING);
+ gnome_icon_list_set_selection_mode (icon_list, GTK_SELECTION_SINGLE);
+
+ return GTK_WIDGET (new);
+}
+
+
+static void
+attach_to_multipart (CamelMultipart *multipart,
+ EMsgComposerAttachment *attachment)
+{
+ CamelMimeBodyPart *part;
+
+ /* FIXME encoding etc. etc. ? */
+ /* FIXME I am not sure how to add an attachment through the Camel
+ API. :-/ */
+
+ part = camel_mime_body_part_new ();
+ camel_mime_part_set_disposition (CAMEL_MIME_PART (part), "attachment");
+ camel_mime_part_set_filename (CAMEL_MIME_PART (part),
+ g_strdup (g_basename (attachment->file_name)));
+ camel_mime_part_set_description (CAMEL_MIME_PART (part),
+ g_strdup (attachment->description));
+ camel_data_wrapper_set_mime_type (CAMEL_DATA_WRAPPER (part),
+ g_strdup (attachment->mime_type));
+}
+
+void
+e_msg_composer_attachment_bar_to_multipart (EMsgComposerAttachmentBar *bar,
+ CamelMultipart *multipart)
+{
+ EMsgComposerAttachmentBarPrivate *priv;
+ GList *p;
+
+ g_return_if_fail (bar != NULL);
+ g_return_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT_BAR (bar));
+ g_return_if_fail (multipart != NULL);
+ g_return_if_fail (IS_CAMEL_MULTIPART (multipart));
+
+ priv = bar->priv;
+
+ for (p = priv->attachments; p != NULL; p = p->next) {
+ EMsgComposerAttachment *attachment;
+
+ attachment = E_MSG_COMPOSER_ATTACHMENT (p->data);
+ attach_to_multipart (multipart, attachment);
+ }
+}
+
+
+guint
+e_msg_composer_attachment_bar_get_num_attachments (EMsgComposerAttachmentBar *bar)
+{
+ g_return_val_if_fail (bar != NULL, 0);
+ g_return_val_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT_BAR (bar), 0);
+
+ return bar->priv->num_attachments;
+}
+
+
+void
+e_msg_composer_attachment_bar_attach (EMsgComposerAttachmentBar *bar,
+ const gchar *file_name)
+{
+ g_return_if_fail (bar != NULL);
+ g_return_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT_BAR (bar));
+
+ if (file_name == NULL)
+ add_from_user (bar);
+ else
+ add_from_file (bar, file_name);
+}