mirror of
https://github.com/aseprite/aseprite.git
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136 lines
3.7 KiB
C++
136 lines
3.7 KiB
C++
/* Aseprite
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* Copyright (C) 2001-2013 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "app/app.h"
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#include "app/commands/command.h"
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#include "app/context_access.h"
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#include "app/document_undo.h"
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#include "app/ini_file.h"
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#include "app/modules/editors.h"
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#include "app/modules/gui.h"
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#include "app/modules/palettes.h"
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#include "app/settings/settings.h"
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#include "app/ui/editor/editor.h"
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#include "app/ui/status_bar.h"
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#include "base/thread.h"
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#include "doc/sprite.h"
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#include "ui/system.h"
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namespace app {
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class UndoCommand : public Command {
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public:
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enum Type { Undo, Redo };
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UndoCommand(Type type);
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Command* clone() const override { return new UndoCommand(*this); }
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protected:
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bool onEnabled(Context* context);
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void onExecute(Context* context);
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private:
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Type m_type;
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};
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UndoCommand::UndoCommand(Type type)
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: Command((type == Undo ? "Undo": "Redo"),
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(type == Undo ? "Undo": "Redo"),
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CmdUIOnlyFlag)
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, m_type(type)
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{
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}
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bool UndoCommand::onEnabled(Context* context)
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{
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ContextWriter writer(context);
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Document* document(writer.document());
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return
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document != NULL &&
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((m_type == Undo ? document->getUndo()->canUndo():
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document->getUndo()->canRedo()));
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}
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void UndoCommand::onExecute(Context* context)
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{
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ContextWriter writer(context);
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Document* document(writer.document());
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DocumentUndo* undo = document->getUndo();
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Sprite* sprite = document->sprite();
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if (context->settings()->undoGotoModified()) {
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SpritePosition spritePosition;
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SpritePosition currentPosition(writer.location()->layerIndex(),
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writer.location()->frame());
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if (m_type == Undo)
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spritePosition = undo->getNextUndoSpritePosition();
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else
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spritePosition = undo->getNextRedoSpritePosition();
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if (spritePosition != currentPosition) {
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current_editor->setLayer(sprite->indexToLayer(spritePosition.layerIndex()));
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current_editor->setFrame(spritePosition.frameNumber());
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// Draw the current layer/frame (which is not undone yet) so the
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// user can see the doUndo/doRedo effect.
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current_editor->drawSpriteClipped(
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gfx::Region(gfx::Rect(0, 0, sprite->width(), sprite->height())));
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ui::dirty_display_flag = true;
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gui_feedback();
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base::this_thread::sleep_for(0.01);
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}
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}
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StatusBar::instance()
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->showTip(1000, "%s %s",
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(m_type == Undo ? "Undid": "Redid"),
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(m_type == Undo ? undo->getNextUndoLabel():
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undo->getNextRedoLabel()));
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// Effectively undo/redo.
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if (m_type == Undo)
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undo->doUndo();
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else
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undo->doRedo();
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document->generateMaskBoundaries();
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document->destroyExtraCel(); // Regenerate extras
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update_screen_for_document(document);
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set_current_palette(writer.palette(), false);
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}
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Command* CommandFactory::createUndoCommand()
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{
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return new UndoCommand(UndoCommand::Undo);
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}
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Command* CommandFactory::createRedoCommand()
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{
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return new UndoCommand(UndoCommand::Redo);
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}
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} // namespace app
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