+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 1997-2011 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 "asset.h"
-#include "assets.h"
-#include "bctimer.h"
-#include "edl.h"
-#include "filexml.h"
-#include "mainindexes.h"
-#include "mainmenu.h"
-#include "mainsession.h"
-#include "mainundo.h"
-#include "mwindow.h"
-#include "mwindowgui.h"
-#include "nestededls.h"
-#include <string.h>
-#include "undostack.h"
-
-MainUndo::MainUndo(MWindow *mwindow)
-{
- this->mwindow = mwindow;
- undo_stack = new UndoStack;
- last_update = new Timer;
-}
-
-MainUndo::~MainUndo()
-{
- delete undo_stack;
- delete last_update;
-}
-
-
-void MainUndo::update_undo_entry(const char *description,
- uint32_t load_flags,
- void *creator,
- int changes_made)
-{
- FileXML file;
-
- mwindow->edl->save_xml(&file,
- "",
- 0,
- 0);
- file.terminate_string();
- if(changes_made) mwindow->session->changes_made = 1;
-
-// Remove all entries after current and create new one
- UndoStackItem *current = undo_stack->push();
-
- current->set_flags(load_flags);
- current->set_data(file.string());
- current->set_description((char*)description);
- current->set_creator(creator);
- current->set_filename(mwindow->session->filename);
-//printf("MainUndo::update_undo_entry %d %p %s\n", __LINE__, current, current->get_filename());
-
-// Can't undo only 1 record.
- if(undo_stack->total() > 1)
- {
-// mwindow->gui->lock_window("MainUndo::update_undo");
- mwindow->gui->mainmenu->undo->update_caption(description);
- mwindow->gui->mainmenu->redo->update_caption("");
-// mwindow->gui->unlock_window();
- }
-
-// Update timer
- last_update->update();
-}
-
-void MainUndo::update_undo_before(const char *description, void *creator)
-{
-//printf("MainUndo::update_undo_before %d\n", __LINE__);
- if(undo_stack->current && !(undo_stack->number_of(undo_stack->current) % 2))
- {
- printf("MainUndo::update_undo_before %d \"%s\": must be on an after entry to do this. size=%d\n",
- __LINE__,
- description,
- undo_stack->total());
-
-// dump stack
- dump();
-
-// Move up an entry to get back in sync
-// return;
- }
-
- mwindow->commit_commercial();
-
-// Discard if creator matches previous before entry and within a time limit
- if(creator)
- {
- UndoStackItem *current = undo_stack->current;
-// Currently on an after entry
- if(current)
- {
- current = PREVIOUS;
- }
-
-// Now on a before entry
- if(current)
- {
- if(current->get_creator() == creator &&
- !strcmp(current->get_description(), description) &&
- last_update->get_difference() < UNDO_SPAN)
- {
-// Before entry has same creator within minimum time. Reuse it.
-// Stack must point to the before entry
- undo_stack->current = current;
- return;
- }
- }
- }
-
-// Append new entry after current position
- update_undo_entry("", 0, creator, 0);
-}
-
-void MainUndo::update_undo_after(const char *description,
- uint32_t load_flags,
- int changes_made)
-{
-//printf("MainUndo::update_undo_after %d\n", __LINE__);
- if(undo_stack->number_of(undo_stack->current) % 2)
- {
- printf("MainUndo::update_undo_after %d \"%s\": must be on a before entry to do this. size=%d\n",
- __LINE__,
- description,
- undo_stack->total());
-
-// dump stack
- dump();
-// Not getting any update_undo_before to get back in sync, so just append 1 here
-// return;
- }
-
- update_undo_entry(description, load_flags, 0, changes_made);
-
-// Update the before entry flags
- UndoStackItem *current = undo_stack->last;
- if(current) current = PREVIOUS;
- if(current)
- {
- current->set_flags(load_flags);
- current->set_description((char*)description);
- }
-}
-
-
-int MainUndo::undo()
-{
- UndoStackItem *current = undo_stack->current;
- char after_description[BCTEXTLEN];
- after_description[0] = 0;
-
- mwindow->undo_commercial();
-
-//printf("MainUndo::undo 1\n");
-//dump();
-
-// Rewind to an after entry
- if(current && !(undo_stack->number_of(current) % 2))
- {
- current = PREVIOUS;
- }
-
-// 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;
-// Set the redo text to the current description
- if(mwindow->gui)
- mwindow->gui->mainmenu->redo->update_caption(
- after_description);
-
- FileXML file;
- char *current_data = current->get_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)
- {
-// 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("");
- }
- }
- }
-
-
-//dump();
- reset_creators();
- 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();
- undo_stack->current = current;
-
- if(current_data)
- {
- 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)
- {
-// Update menu
- 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("");
- }
- }
- }
- reset_creators();
-//dump();
- return 0;
-}
-
-
-// Here the master EDL loads
-int MainUndo::load_from_undo(FileXML *file, uint32_t load_flags)
-{
- mwindow->edl->load_xml(file, load_flags);
- for(Asset *asset = mwindow->edl->assets->first;
- asset;
- asset = asset->next)
- {
- mwindow->mainindexes->add_next_asset(0, asset);
- }
-
- for(int i = 0; i < mwindow->edl->nested_edls->size(); i++)
- {
- EDL *nested_edl = mwindow->edl->nested_edls->get(i);
- mwindow->mainindexes->add_next_asset(0, nested_edl);
- }
- mwindow->mainindexes->start_build();
- return 0;
-}
-
-
-void MainUndo::reset_creators()
-{
- for(UndoStackItem *current = undo_stack->first;
- current;
- current = NEXT)
- {
- current->set_creator(0);
- }
-}
-
-
-void MainUndo::dump(FILE *fp)
-{
- undo_stack->dump(fp);
-}
-
projects / goodguy / history.git / blobdiff