Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / cinelerra / recordlabel.C

diff --git a/cinelerra-5.1/cinelerra/recordlabel.C b/cinelerra-5.1/cinelerra/recordlabel.C
new file mode 100644 (file)
index 0000000..55952b1
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/recordlabel.C
@@ -0,0 +1,165 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include "clip.h"
+#include "file.h"
+#include "labels.h"
+#include "recordlabel.h"
+
+
+RecordLabel::RecordLabel(double position)
+ : ListItem<RecordLabel>()
+{
+       this->position = position;
+}
+
+RecordLabel::~RecordLabel()
+{
+}
+
+
+RecordLabels::RecordLabels()
+ : List<RecordLabel>()
+{
+}
+
+RecordLabels::RecordLabels(File *file)
+ : List<RecordLabel>()
+{
+       int cell_no = 0;
+       double last_position = -1.;
+       double position;
+       while( !file->get_cell_time(++cell_no, position) ) {
+               if( position > last_position )
+                       append(new RecordLabel(last_position=position));
+       }
+}
+
+RecordLabels::~RecordLabels()
+{
+       delete_labels();
+}
+
+int RecordLabels::delete_labels()
+{
+       RecordLabel *current, *next_;
+       for(current = first; current; current = next_)
+       {
+               next_ = NEXT;
+               remove(current);
+       }
+       return 0;
+}
+
+int RecordLabels::toggle_label(double position)
+{
+       RecordLabel *current;
+// find label the position is after
+       for(current = first;
+               current && current->position < position;
+               current = NEXT)
+       {
+               ;
+       }
+
+       if(current)
+       {
+//printf("position %ld current->position %ld current->original %d\n", position, current->position,  current->original);
+               if(EQUIV(current->position, position))
+               {
+// remove it
+                       remove(current);
+               }
+               else
+               {
+// insert before it
+                       current = insert_before(current);
+                       current->position = position;
+               }
+       }
+       else
+       {           // insert after last
+//printf("position %ld\n", position);
+               append(new RecordLabel(position));
+       }
+       return 0;
+}
+
+double RecordLabels::get_prev_label(double position)
+{
+       RecordLabel *current;
+
+       for(current = last;
+               current && current->position > position;
+               current = PREVIOUS)
+       {
+               ;
+       }
+//printf("%ld\n", current->position);
+       if(current && current->position <= position)
+               return current->position;
+       else
+               return -1;
+}
+
+double RecordLabels::get_next_label(double position)
+{
+       RecordLabel *current;
+
+       for(current = first;
+               current && current->position <= position;
+               current = NEXT)
+       {
+               ;
+       }
+       if(current && current->position >= position) return current->position;
+       return -1;
+}
+
+double RecordLabels::goto_prev_label(double position)
+{
+       RecordLabel *current;
+
+       for(current = last;
+               current && current->position >= position;
+               current = PREVIOUS)
+       {
+               ;
+       }
+//printf("%ld\n", current->position);
+       if(current && current->position <= position) return current->position;
+       return -1;
+}
+
+double RecordLabels::goto_next_label(double position)
+{
+       RecordLabel *current;
+
+       for(current = first;
+               current && current->position <= position;
+               current = NEXT)
+       {
+               ;
+       }
+       if(current && current->position >= position) return current->position;
+       return -1;
+}
+