Here is my initial Evolution work: message composition widget and some

installation fixes for Camel.

svn path=/trunk/; revision=1369

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);
+}