improved the DnD.

git-svn-id: svn://sylpheed.sraoss.jp/sylpheed/trunk@310 ee746299-78ed-0310-b773-934348b2243d

4 files changed, 48 insertions, 14 deletions

diff --git a/src/compose.c b/src/compose.c
index c1040f6d..30c1177b 100644
--- a/src/compose.c
+++ b/src/compose.c
@@ -620,9 +620,18 @@ static GtkItemFactoryEntry compose_entries[] =
 	{N_("/_Help/_About"),		NULL, about_show, 0, NULL}
 };
 
-static GtkTargetEntry compose_mime_types[] =
+enum
+{
+	DRAG_TYPE_RFC822,
+	DRAG_TYPE_URI_LIST,
+
+	N_DRAG_TYPES
+};
+
+static GtkTargetEntry compose_drag_types[] =
 {
-	{"text/uri-list", 0, 0}
+	{"message/rfc822", GTK_TARGET_SAME_APP, DRAG_TYPE_RFC822},
+	{"text/uri-list", 0, DRAG_TYPE_URI_LIST}
 };
 
 
@@ -3950,8 +3959,8 @@ static Compose *compose_create(PrefsAccount *account, ComposeMode mode)
 
 	/* drag and drop */
 	gtk_drag_dest_set(attach_treeview,
-			  GTK_DEST_DEFAULT_ALL, compose_mime_types, 1,
-			  GDK_ACTION_COPY | GDK_ACTION_MOVE);
+			  GTK_DEST_DEFAULT_ALL, compose_drag_types,
+			  N_DRAG_TYPES, GDK_ACTION_COPY | GDK_ACTION_MOVE);
 	g_signal_connect(G_OBJECT(attach_treeview), "drag-data-received",
 			 G_CALLBACK(compose_attach_drag_received_cb),
 			 compose);
@@ -4003,8 +4012,8 @@ static Compose *compose_create(PrefsAccount *account, ComposeMode mode)
 			       ruler);
 
 	/* drag and drop */
-	gtk_drag_dest_set(text, GTK_DEST_DEFAULT_ALL, compose_mime_types, 1,
-			  GDK_ACTION_COPY | GDK_ACTION_MOVE);
+	gtk_drag_dest_set(text, GTK_DEST_DEFAULT_ALL, compose_drag_types,
+			  N_DRAG_TYPES, GDK_ACTION_COPY | GDK_ACTION_MOVE);
 	g_signal_connect(G_OBJECT(text), "drag-data-received",
 			 G_CALLBACK(compose_insert_drag_received_cb),
 			 compose);
@@ -6067,12 +6076,16 @@ static void compose_attach_drag_received_cb (GtkWidget		*widget,
 	Compose *compose = (Compose *)user_data;
 	GList *list, *cur;
 	gchar *path, *filename;
+	gchar *content_type = NULL;
+
+	if (info == DRAG_TYPE_RFC822)
+		content_type = "message/rfc822";
 
 	list = uri_list_extract_filenames((const gchar *)data->data);
 	for (cur = list; cur != NULL; cur = cur->next) {
 		path = (gchar *)cur->data;
 		filename = conv_filename_to_utf8(path);
-		compose_attach_append(compose, path, filename, NULL);
+		compose_attach_append(compose, path, filename, content_type);
 		g_free(filename);
 		g_free(path);
 	}
diff --git a/src/folderview.c b/src/folderview.c
index ad01fede..d9487b25 100644
--- a/src/folderview.c
+++ b/src/folderview.c
@@ -216,6 +216,11 @@ static void folderview_drag_received_cb  (GtkWidget        *widget,
 					  guint             time,
 					  FolderView       *folderview);
 
+GtkTargetEntry folderview_drag_types[] =
+{
+	{"text/plain", GTK_TARGET_SAME_APP, 0}
+};
+
 static GtkItemFactoryEntry folderview_mail_popup_entries[] =
 {
 	{N_("/Create _new folder..."),	NULL, folderview_new_folder_cb,    0, NULL},
@@ -450,7 +455,8 @@ FolderView *folderview_create(void)
 			 G_CALLBACK(folderview_popup_close), folderview);
 
         /* drop callback */
-	gtk_drag_dest_set(treeview, GTK_DEST_DEFAULT_ALL, summary_drag_types, 1,
+	gtk_drag_dest_set(treeview, GTK_DEST_DEFAULT_ALL,
+			  folderview_drag_types, 1,
 			  GDK_ACTION_MOVE | GDK_ACTION_COPY);
 	g_signal_connect(G_OBJECT(treeview), "drag-motion",
 			 G_CALLBACK(folderview_drag_motion_cb),
diff --git a/src/summaryview.c b/src/summaryview.c
index 4cee6e8c..46157cb6 100644
--- a/src/summaryview.c
+++ b/src/summaryview.c
@@ -344,9 +344,20 @@ static FolderSortKey col_to_sort_key[] = {
 	SORT_BY_NUMBER,
 };
 
-GtkTargetEntry summary_drag_types[1] =
+enum
 {
-	{"text/uri-list", 0, 0}
+	DRAG_TYPE_TEXT,
+	DRAG_TYPE_RFC822,
+	DRAG_TYPE_URI_LIST,
+
+	N_DRAG_TYPES
+};
+
+GtkTargetEntry summary_drag_types[] =
+{
+	{"text/plain", GTK_TARGET_SAME_APP, DRAG_TYPE_TEXT},
+	{"message/rfc822", GTK_TARGET_SAME_APP, DRAG_TYPE_RFC822},
+	{"text/uri-list", 0, DRAG_TYPE_URI_LIST}
 };
 
 static GtkItemFactoryEntry summary_popup_entries[] =
@@ -4126,7 +4137,8 @@ static GtkWidget *summary_tree_view_create(SummaryView *summaryview)
 
 	gtk_tree_view_enable_model_drag_source
 		(GTK_TREE_VIEW(treeview),
-		 0, summary_drag_types, 1, GDK_ACTION_MOVE | GDK_ACTION_COPY);
+		 0, summary_drag_types, N_DRAG_TYPES,
+		 GDK_ACTION_MOVE | GDK_ACTION_COPY);
 
 	g_signal_connect_after(G_OBJECT(treeview), "drag-begin",
 			 G_CALLBACK(summary_drag_begin), summaryview);
@@ -4596,6 +4608,12 @@ static void summary_drag_data_get(GtkWidget        *widget,
 	MsgInfo *msginfo;
 	GtkTreeIter iter;
 
+	if (info == DRAG_TYPE_TEXT) {
+		gtk_selection_data_set(selection_data, selection_data->target,
+				       8, "drag-from-summary", 17);
+		return;
+	}
+
 	if (!summaryview->drag_list) {
 		rows = summary_get_selected_rows(summaryview);
 
@@ -4670,7 +4688,6 @@ static void summary_drag_data_get(GtkWidget        *widget,
 				       summaryview->drag_list,
 				       strlen(summaryview->drag_list));
 	}
-
 }
 
 
diff --git a/src/summaryview.h b/src/summaryview.h
index 55fcdb87..312a354f 100644
--- a/src/summaryview.h
+++ b/src/summaryview.h
@@ -71,8 +71,6 @@ typedef enum
 	SUMMARY_SELECTED_MULTIPLE
 } SummarySelection;
 
-extern GtkTargetEntry summary_drag_types[1];
-
 struct _SummaryColumnState
 {
 	SummaryColumnType type;