[anjal: 1/2] Message list keyboard shortcuts implemented.

[Srinivasa Ragavan <sragavan src gnome org>]

commit 62dd4da82c824d5390c06cec7d1d553df6d7ae22
Author: Srinivasa Ragavan <sragavan novell com>
Date:   Wed Mar 25 10:22:28 2009 +0530

    Message list keyboard shortcuts implemented.
    http://live.gnome.org/Anjal/KeyboardShortcuts
---
 src/em-tree-store.c    |   22 +++++++++++
 src/em-tree-store.h    |    3 +-
 src/mail-folder-view.c |   96 +++++++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 118 insertions(+), 3 deletions(-)

diff --git a/src/em-tree-store.c b/src/em-tree-store.c
index 861ec1f..ac942a0 100644
--- a/src/em-tree-store.c
+++ b/src/em-tree-store.c
@@ -1292,6 +1292,20 @@ em_tree_store_get_child_sorted_tree (EMTreeStore  *emts, GtkTreeIter *iter)
 	 return nodes;
 }
 
+GPtrArray *
+em_tree_store_get_child_infos (EMTreeStore  *emts, GtkTreeIter *iter)
+{
+	 EMTreeNode *node = (EMTreeNode *) iter->user_data, *tnode;;
+	 GPtrArray *nodes = g_ptr_array_new ();
+	 int i;
+	 
+	 emts_child_tree (emts, node, nodes);
+	 for (i=0; i<nodes->len; i++) {
+		  nodes->pdata[i] =  ((EMTreeNode *)nodes->pdata[i])->info;
+	 }
+	 return nodes;
+}
+
 const char *
 em_tree_store_get_uid_from_iter (EMTreeStore  *emts, GtkTreeIter *iter)
 {
@@ -1300,6 +1314,14 @@ em_tree_store_get_uid_from_iter (EMTreeStore  *emts, GtkTreeIter *iter)
 	 return node->info->uid;
 }
 
+const CamelMessageInfo *
+em_tree_store_get_info_from_iter (EMTreeStore  *emts, GtkTreeIter *iter)
+{
+	 EMTreeNode *node = (EMTreeNode *) iter->user_data;
+
+	 return node->info;
+}
+
 CamelMessageInfo *
 em_tree_store_get_info_from_path_string (EMTreeStore  *emts, const char *path)
 {
diff --git a/src/em-tree-store.h b/src/em-tree-store.h
index 68fdafc..1d38e9b 100644
--- a/src/em-tree-store.h
+++ b/src/em-tree-store.h
@@ -112,5 +112,6 @@ GPtrArray * em_tree_store_get_child_sorted_tree (EMTreeStore  *emts, GtkTreeIter
 CamelMessageInfo * em_tree_store_get_info_from_path_string (EMTreeStore  *emts, const char *path);
 const char * em_tree_store_get_uid_from_iter (EMTreeStore  *emts, GtkTreeIter *iter);
 int em_tree_store_get_iter(EMTreeStore *emts, GtkTreeIter *iter, const char *uid);
-
+const CamelMessageInfo * em_tree_store_get_info_from_iter (EMTreeStore  *emts, GtkTreeIter *iter);
+GPtrArray * em_tree_store_get_child_infos (EMTreeStore  *emts, GtkTreeIter *iter);
 #endif /* _EM_TREE_STORE_H */
diff --git a/src/mail-folder-view.c b/src/mail-folder-view.c
index 6aded2e..8e9e20e 100644
--- a/src/mail-folder-view.c
+++ b/src/mail-folder-view.c
@@ -37,6 +37,8 @@
 #include <e-util/e-icon-factory.h>
 #include <e-util/e-util.h>
 
+#include <gdk/gdkkeysyms.h>
+
 struct  _MailFolderViewPrivate {
 	guint light:1;
 	guint show_thread:1;
@@ -398,6 +400,7 @@ mail_folder_view_set_folder (MailFolderView *mfv, CamelFolder *folder, const cha
 			pos = strtod(spos, NULL);
 		}
 		gtk_label_set_text (mfv->priv->tab_str, folder->full_name);
+		gtk_adjustment_set_value(gtk_scrolled_window_get_vadjustment (mfv->priv->view_scroller), pos);
 		if (last_sel_uid && *last_sel_uid) {
 			 GtkTreeSelection *sel = gtk_tree_view_get_selection (mfv->tree);
 			 GtkTreePath *path;
@@ -410,7 +413,7 @@ mail_folder_view_set_folder (MailFolderView *mfv, CamelFolder *folder, const cha
 				  gtk_tree_path_free (path);
 			 }
 		}
-		gtk_adjustment_set_value(gtk_scrolled_window_get_vadjustment (mfv->priv->view_scroller), pos);
+
 		/* FIXME: Set a signal emit and listen for it at note book and set the title appropriately */
 	}
 }
@@ -754,6 +757,20 @@ mfv_get_selected_uid (GtkTreeView *tree, MailFolderView *mfv)
 	 return em_tree_store_get_uid_from_iter (mfv->model, &iter);
 }
 
+static const CamelMessageInfo *
+mfv_get_selected_info (GtkTreeView *tree, MailFolderView *mfv)
+{
+	 GtkTreeSelection *sel = gtk_tree_view_get_selection (tree);
+	 GtkTreeIter iter;
+	 gboolean selected;
+	 
+	 selected = gtk_tree_selection_get_selected (sel, NULL, &iter);
+	 if(!selected)
+		  return NULL;
+	 
+	 return em_tree_store_get_info_from_iter(mfv->model, &iter);
+}
+
 static gboolean
 mfv_button_clicked (GtkWidget *w, GdkEventButton *event, MailFolderView *mfv)
 {
@@ -848,6 +865,80 @@ mfv_msg_junk (GtkCellRenderer *cell, GdkEvent *event,GtkWidget *widget,const gch
 	 return TRUE;
 }
 
+static void
+mfv_selection_mark (MailFolderView *mfv, guint32 mask, guint32 set)
+{
+	 GtkTreeSelection *sel = gtk_tree_view_get_selection (mfv->tree);
+	 GtkTreeIter iter;
+	 gboolean selected;
+	 CamelMessageInfo *info = (CamelMessageInfo *) mfv_get_selected_info (mfv->tree, mfv);
+	 GPtrArray *msgs = NULL;
+	 int i;
+	 
+	 selected = gtk_tree_selection_get_selected (sel, NULL, &iter);
+	 if(!selected)
+		  return;
+	 
+	 camel_message_info_set_flags (info, mask, set);
+	 msgs = em_tree_store_get_child_infos (mfv, &iter);
+	 for (i=0; i<msgs->len; i++)
+		  camel_message_info_set_flags ((CamelMessageInfo *)msgs->pdata[i], mask, set);
+}
+
+static void
+mfv_delete (MailFolderView *mfv, gboolean del)
+{
+	 if (del)
+		  mfv_selection_mark (mfv, CAMEL_MESSAGE_SEEN|CAMEL_MESSAGE_DELETED, CAMEL_MESSAGE_SEEN|CAMEL_MESSAGE_DELETED );
+	 else
+		  mfv_selection_mark (mfv, CAMEL_MESSAGE_DELETED, 0 );
+}
+
+static void
+mfv_junk  (MailFolderView *mfv, gboolean junk)
+{
+	 if (junk)
+		  mfv_selection_mark (mfv, CAMEL_MESSAGE_SEEN|CAMEL_MESSAGE_JUNK|CAMEL_MESSAGE_NOTJUNK|CAMEL_MESSAGE_JUNK_LEARN, CAMEL_MESSAGE_SEEN|CAMEL_MESSAGE_JUNK|CAMEL_MESSAGE_JUNK_LEARN);	 
+	 else
+		  mfv_selection_mark (mfv, CAMEL_MESSAGE_JUNK|CAMEL_MESSAGE_NOTJUNK|CAMEL_MESSAGE_JUNK_LEARN, CAMEL_MESSAGE_NOTJUNK|CAMEL_MESSAGE_JUNK_LEARN);
+}
+
+static void
+mfv_read (MailFolderView *mfv, gboolean read)
+{
+	 if (read)
+		  mfv_selection_mark (mfv, CAMEL_MESSAGE_SEEN, CAMEL_MESSAGE_SEEN);
+	 else
+		  mfv_selection_mark (mfv, CAMEL_MESSAGE_SEEN|CAMEL_MESSAGE_DELETED, 0);
+}
+
+static gboolean
+mfv_key_pressed (GtkWidget *w, GdkEventKey *event, MailFolderView *mfv)
+{
+	 gboolean shift = event->state & GDK_SHIFT_MASK ? TRUE : FALSE;
+	 
+	 switch (event->keyval) {
+	 case GDK_D:
+	 case GDK_d:		  
+		  if (!(event->state & GDK_CONTROL_MASK))
+			   return FALSE;
+	 case GDK_Delete:
+		  mfv_delete (mfv, !shift);
+		  break;
+	 case GDK_J:
+	 case GDK_j:
+		  mfv_junk (mfv, !shift);
+		  break;
+	 case GDK_M:
+	 case GDK_m:
+		  mfv_read(mfv, !shift);
+		  break;
+	 default:
+		  return FALSE;
+	 }
+	 
+	 return TRUE;
+}
 
 void
 mail_folder_view_construct (MailFolderView *shell)
@@ -895,7 +986,8 @@ mail_folder_view_construct (MailFolderView *shell)
 
 	g_signal_connect (shell->tree,  "row-activated", G_CALLBACK (mfv_message_activated), shell);
 	g_signal_connect (shell->tree, "button-press-event", G_CALLBACK(mfv_button_clicked), shell);
-
+	g_signal_connect (shell->tree, "key-press-event", G_CALLBACK(mfv_key_pressed), shell);
+		 
 	/* Create the single column */
 	column = gtk_tree_view_column_new ();