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never save more than Config->get_saved_history_depth() undo transactions to history file

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git-svn-id: svn://localhost/ardour2/trunk@1200 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2006-12-11 12:52:40 +00:00
parent 337cee7a83
commit ee0fb82da6
4 changed files with 35 additions and 11 deletions
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1
libs/ardour/ardour/configuration_vars.h
View File

@ -120,6 +120,7 @@ CONFIG_VARIABLE (bool, verify_remove_last_capture, "verify-remove-last-capture",
CONFIG_VARIABLE (bool, no_new_session_dialog, "no-new-session-dialog", false)
CONFIG_VARIABLE (bool, use_vst, "use-vst", true)
CONFIG_VARIABLE (uint32_t, subframes_per_frame, "subframes-per-frame", 100)
CONFIG_VARIABLE (uint32_t, saved_history_depth, "save-history-depth", 100)
/* BWAV */

17
libs/ardour/session_state.cc
View File

@ -2796,8 +2796,13 @@ Session::save_history (string snapshot_name)
XMLTree tree;
string xml_path;
string bak_path;
tree.set_root (&_history.get_state());
XMLNode& history_node (history.get_state (Config->get_saved_history_depth()));
if (history_node.children().empty()) {
return 0;
}
tree.set_root (
if (snapshot_name.empty()) {
snapshot_name = _current_snapshot_name;
@ -2850,13 +2855,13 @@ Session::restore_history (string snapshot_name)
cerr << string_compose(_("Loading history from '%1'."), xmlpath) << endmsg;
if (access (xmlpath.c_str(), F_OK)) {
error << string_compose(_("%1: session history file \"%2\" doesn't exist!"), _name, xmlpath) << endmsg;
return 1;
info << string_compose (_("%1: no history file \"%2\" for this session."), _name, xmlpath) << endmsg;
return 1;
}
if (!tree.read (xmlpath)) {
error << string_compose(_("Could not understand ardour file %1"), xmlpath) << endmsg;
return -1;
error << string_compose (_("Could not understand session history file \"%1\""), xmlpath) << endmsg;
return -1;
}
/* replace history */

2
libs/pbd/pbd/undo.h
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@ -94,7 +94,7 @@ class UndoHistory : public sigc::trackable
void clear_undo ();
void clear_redo ();
XMLNode &get_state();
XMLNode &get_state(uint32_t depth = 0);
void save_state();
sigc::signal<void> Changed;

26
libs/pbd/undo.cc
View File

@ -236,13 +236,31 @@ UndoHistory::clear ()
Changed (); /* EMIT SIGNAL */
}
XMLNode & UndoHistory::get_state()
XMLNode&
UndoHistory::get_state (uint32_t depth)
{
XMLNode *node = new XMLNode ("UndoHistory");
list<UndoTransaction*>::iterator it;
for (it = UndoList.begin(); it != UndoList.end(); it++) {
node->add_child_nocopy((*it)->get_state());
if (depth == 0) {
/* everything */
for (list<UndoTransaction*>::iterator it = UndoList.begin(); it != UndoList.end(); ++it) {
node->add_child_nocopy((*it)->get_state());
}
} else {
/* just the last "depth" transactions */
list<UndoTransaction*> in_order;
for (list<UndoTransaction*>::reverse_iterator it = UndoList.rbegin(); it != UndoList.rend() && depth; ++it, depth--) {
in_order.push_front (*it);
}
for (list<UndoTransaction*>::iterator it = in_order.begin(); it != in_order.end(); it++) {
node->add_child_nocopy((*it)->get_state());
}
}
return *node;