[balsa] Implement select thread

[Peter Bloomfield <PeterB src gnome org>]

commit afe6fd54d7f9478b834a6e4181c7a03576ace6ba
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Thu May 7 21:52:34 2009 -0400

    Implement select thread
---
 ChangeLog         |    9 +++++++++
 src/balsa-index.c |   46 ++++++++++++++++++++++++++++++++++++++++++++++
 src/balsa-index.h |    3 +++
 src/main-window.c |   15 ++++++++++++++-
 4 files changed, 72 insertions(+), 1 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 17ee0a5..c8fe46b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2009-05-07  Peter Bloomfield
+
+	Implement select thread
+
+	* src/balsa-index.c (balsa_index_select_thread): new method to
+	select all messages in thread containing current message.
+	* src/balsa-index.h: ditto.
+	* src/main-window.c: use it.
+
 2009-05-04  Peter Bloomfield
 
 	Add filter for colorizing messages
diff --git a/src/balsa-index.c b/src/balsa-index.c
index 789d333..7765686 100644
--- a/src/balsa-index.c
+++ b/src/balsa-index.c
@@ -2761,3 +2761,49 @@ balsa_index_count_selected_messages(BalsaIndex * bindex)
         gtk_tree_selection_count_selected_rows(gtk_tree_view_get_selection
                                                (GTK_TREE_VIEW(bindex)));
 }
+
+/* Select all messages in current thread */
+void
+balsa_index_select_thread(BalsaIndex * bindex)
+{
+    GtkTreeIter iter;
+    GtkTreeModel *model = GTK_TREE_MODEL(bindex->mailbox_node->mailbox);
+    GtkTreeIter next_iter;
+    GtkTreePath *path;
+    GtkTreeSelection *selection =
+        gtk_tree_view_get_selection(GTK_TREE_VIEW(bindex));
+    gboolean valid;
+
+    if (!bindex->current_msgno
+        || !libbalsa_mailbox_msgno_find(bindex->mailbox_node->mailbox,
+                                        bindex->current_msgno, NULL,
+                                        &iter))
+        return;
+
+    while (gtk_tree_model_iter_parent(model, &next_iter, &iter))
+        iter = next_iter;
+
+    path = gtk_tree_model_get_path(model, &iter);
+    gtk_tree_view_expand_row(GTK_TREE_VIEW(bindex), path, TRUE);
+    gtk_tree_path_free(path);
+
+    do {
+        gtk_tree_selection_select_iter(selection, &iter);
+
+        valid = gtk_tree_model_iter_children(model, &next_iter, &iter);
+        if (valid)
+            iter = next_iter;
+        else {
+            do {
+                GtkTreeIter save_iter = iter;
+
+                valid = gtk_tree_model_iter_next(model, &iter);
+                if (valid)
+                    break;
+                valid = gtk_tree_model_iter_parent(model, &iter,
+                                                   &save_iter);
+            } while (valid);
+        }
+    } while (valid
+             && gtk_tree_model_iter_parent(model, &next_iter, &iter));
+}
diff --git a/src/balsa-index.h b/src/balsa-index.h
index 9e5c371..e0e46e6 100644
--- a/src/balsa-index.h
+++ b/src/balsa-index.h
@@ -175,6 +175,9 @@ extern "C" {
     /* Select all without previewing any. */
     void balsa_index_select_all(BalsaIndex * bindex);
 
+    /* Select thread containing current message. */
+    void balsa_index_select_thread(BalsaIndex * bindex);
+
     /* Count of selected messages. */
     gint balsa_index_count_selected_messages(BalsaIndex * bindex);
 
diff --git a/src/main-window.c b/src/main-window.c
index a7d983e..d71f5f7 100644
--- a/src/main-window.c
+++ b/src/main-window.c
@@ -166,6 +166,7 @@ static void bw_forward_message_inline_cb  (GtkAction * action, gpointer data);
 static void bw_forward_message_default_cb (GtkAction * action, gpointer data);
 #if !defined(ENABLE_TOUCH_UI)
 static void bw_pipe_message_cb            (GtkAction * action, gpointer data);
+static void bw_select_thread_cb           (GtkAction * action, gpointer data);
 #endif /* ENABLE_TOUCH_UI */
 static void bw_continue_message_cb        (GtkAction * action, gpointer data);
 
@@ -511,6 +512,9 @@ static const GtkActionEntry message_entries[] = {
     {"Pipe", BALSA_PIXMAP_FORWARD, N_("_Pipe through..."), NULL,
      N_("Pipe the message through another program"),
      G_CALLBACK(bw_pipe_message_cb)},
+    {"SelectThread", NULL, N_("Select _Thread"), NULL,
+     N_("Select all messages in current thread"),
+     G_CALLBACK(bw_select_thread_cb)},
 #endif /* ENABLE_TOUCH_UI */
 };
 
@@ -532,7 +536,7 @@ static const GtkActionEntry current_message_entries[] = {
      N_("Copy message"), G_CALLBACK(bw_message_copy_cb)},
     {"SelectText", NULL, N_("_Select Text"), NULL,
      N_("Select entire mail"), G_CALLBACK(bw_message_select_all_cb)},
-    {"FindInMessage", NULL, N_("_Find in message"), "slash",
+    {"FindInMessage", NULL, N_("Find in _Message"), "slash",
      N_("Find a string in this message"),
      G_CALLBACK(bw_find_in_message_cb)}
 #endif /* ENABLE_TOUCH_UI */
@@ -677,6 +681,7 @@ static const char *ui_description =
 "    <menu action='EditMenu'>"
 "      <menuitem action='Copy'/>"
 "      <menuitem action='SelectAll'/>"
+"      <menuitem action='SelectThread'/>"
 "      <separator/>"
 "      <menuitem action='Find'/>"
 "      <menuitem action='FindNext'/>"
@@ -3429,6 +3434,14 @@ bw_pipe_message_cb(GtkAction * action, gpointer data)
                      (balsa_window_find_current_index
                       (BALSA_WINDOW(data))));
 }
+
+static void
+bw_select_thread_cb(GtkAction * action, gpointer data)
+{
+    balsa_index_select_thread(BALSA_INDEX
+                              (balsa_window_find_current_index
+                               (BALSA_WINDOW(data))));
+}
 #endif /* ENABLE_TOUCH_UI */
 
 static void