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75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
/* ASE - Allegro Sprite Editor
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* Copyright (C) 2001-2010 David Capello
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "commands/command.h"
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#include "app.h"
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#include "modules/gui.h"
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#include "raster/sprite.h"
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#include "raster/undo.h"
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#include "widgets/statebar.h"
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#include "sprite_wrappers.h"
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class UndoCommand : public Command
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{
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public:
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UndoCommand();
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Command* clone() { return new UndoCommand(*this); }
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protected:
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bool enabled(Context* context);
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void execute(Context* context);
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};
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UndoCommand::UndoCommand()
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: Command("undo",
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"Undo",
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CmdUIOnlyFlag)
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{
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}
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bool UndoCommand::enabled(Context* context)
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{
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const CurrentSpriteReader sprite(context);
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return
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sprite != NULL &&
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undo_can_undo(sprite->undo);
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}
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void UndoCommand::execute(Context* context)
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{
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CurrentSpriteWriter sprite(context);
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statusbar_show_tip(app_get_statusbar(), 1000,
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_("Undid %s"),
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undo_get_next_undo_label(sprite->undo));
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undo_do_undo(sprite->undo);
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sprite_generate_mask_boundaries(sprite);
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update_screen_for_sprite(sprite);
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}
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//////////////////////////////////////////////////////////////////////
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// CommandFactory
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Command* CommandFactory::create_undo_command()
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{
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return new UndoCommand;
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}
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