}
-int MainUndo::undo()
+UndoStackItem *MainUndo::next_undo()
{
- UndoStackItem *current = undo_stack->current;
- char after_description[BCTEXTLEN];
- after_description[0] = 0;
+ return undo_stack->get_current_undo();
+}
- mwindow->undo_commercial();
+UndoStackItem *MainUndo::next_redo()
+{
+ return undo_stack->get_current_redo();
+}
-//printf("MainUndo::undo 1\n");
-//dump();
+int MainUndo::undo_load_flags()
+{
+ UndoStackItem *item = next_undo();
+ return item ? item->get_flags() : 0;
+}
-// Rewind to an after entry
- if(current && !(undo_stack->number_of(current) % 2))
- {
- current = PREVIOUS;
- }
+int MainUndo::redo_load_flags()
+{
+ UndoStackItem *item = next_redo();
+ return item ? item->get_flags() : 0;
+}
-// Rewind to a before entry
- if(current && (undo_stack->number_of(current) % 2))
- {
- strcpy(after_description, current->get_description());
- current = PREVIOUS;
- }
-// Now have an even number
- if(current)
- {
- undo_stack->current = current;
+int MainUndo::undo()
+{
+ mwindow->undo_commercial();
+ UndoStackItem *current = undo_stack->current;
+ if( current ) {
+ undo_stack->current = next_undo();
+ if( undo_stack->number_of(current) % 2 )
+ current = PREVIOUS; // Now have an even number
+ }
+ if( current ) {
// Set the redo text to the current description
- if(mwindow->gui)
- mwindow->gui->mainmenu->redo->update_caption(
- after_description);
-
+ if( mwindow->gui ) {
+ UndoStackItem *next = NEXT;
+ mwindow->gui->mainmenu->redo->
+ update_caption(next ? next->get_description() : "");
+ }
FileXML file;
char *current_data = current->get_data();
- if(current_data)
- {
+ if( current_data ) {
file.read_from_string(current_data);
load_from_undo(&file, current->get_flags());
//printf("MainUndo::undo %d %s\n", __LINE__, current->get_filename());
mwindow->set_filename(current->get_filename());
delete [] current_data;
-// move current entry back one step
- undo_stack->pull();
-
-
- if(mwindow->gui)
- {
+ if( mwindow->gui ) {
// Now update the menu with the after entry
- current = PREVIOUS;
-// Must be a previous entry to perform undo
- if(current)
- mwindow->gui->mainmenu->undo->update_caption(
- current->get_description());
- else
- mwindow->gui->mainmenu->undo->update_caption("");
+ UndoStackItem *prev = PREVIOUS;
+ mwindow->gui->mainmenu->undo->
+ update_caption(prev ? prev->get_description() : "");
}
}
}
-
-//dump();
reset_creators();
mwindow->reset_caches();
return 0;
}
+
int MainUndo::redo()
{
- UndoStackItem *current = undo_stack->current;
-//printf("MainUndo::redo 1\n");
-//dump();
-
-// Get 1st entry
- if(!current) current = undo_stack->first;
-
-// Advance to a before entry
- if(current && (undo_stack->number_of(current) % 2))
- {
- current = NEXT;
- }
-
-// Advance to an after entry
- if(current && !(undo_stack->number_of(current) % 2))
- {
- current = NEXT;
- }
-
- if(current)
- {
- FileXML file;
- char *current_data = current->get_data();
+ UndoStackItem *current = next_redo();
+ if( current ) {
undo_stack->current = current;
-
- if(current_data)
- {
+ char *current_data = current->get_data();
+ if( current_data ) {
+ FileXML file;
mwindow->set_filename(current->get_filename());
file.read_from_string(current_data);
load_from_undo(&file, current->get_flags());
delete [] current_data;
- if(mwindow->gui)
- {
+ if( mwindow->gui ) {
// Update menu
- mwindow->gui->mainmenu->undo->update_caption(current->get_description());
-
+ mwindow->gui->mainmenu->undo->
+ update_caption(current->get_description());
// Get next after entry
- current = NEXT;
- if(current)
- current = NEXT;
-
- if(current)
- mwindow->gui->mainmenu->redo->update_caption(current->get_description());
- else
- mwindow->gui->mainmenu->redo->update_caption("");
+ if( (current=NEXT) ) current = NEXT;
+ mwindow->gui->mainmenu->redo->
+ update_caption(current ? current->get_description() : "");
}
}
}
// Here the master EDL loads
int MainUndo::load_from_undo(FileXML *file, uint32_t load_flags)
{
+ if( load_flags & LOAD_SESSION )
+ mwindow->close_mixers();
mwindow->edl->load_xml(file, load_flags);
for(Asset *asset = mwindow->edl->assets->first;
asset;
}
mwindow->mainindexes->start_build();
mwindow->update_plugin_guis(1);
+ if( load_flags & LOAD_SESSION )
+ mwindow->open_mixers();
return 0;
}