aseprite/src/app/commands/cmd_link_cels.cpp

109 lines
2.5 KiB
C++

// Aseprite
// Copyright (C) 2001-2016 David Capello
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "app/app.h"
#include "app/cmd/copy_cel.h"
#include "app/commands/command.h"
#include "app/context_access.h"
#include "app/modules/gui.h"
#include "app/transaction.h"
#include "app/ui/status_bar.h"
#include "doc/cel.h"
#include "doc/layer.h"
#include "doc/sprite.h"
namespace app {
class LinkCelsCommand : public Command {
public:
LinkCelsCommand();
Command* clone() const override { return new LinkCelsCommand(*this); }
protected:
bool onEnabled(Context* context) override;
void onExecute(Context* context) override;
};
LinkCelsCommand::LinkCelsCommand()
: Command("LinkCels",
"Links Cels",
CmdRecordableFlag)
{
}
bool LinkCelsCommand::onEnabled(Context* context)
{
if (context->checkFlags(ContextFlags::ActiveDocumentIsWritable)) {
auto site = context->activeSite();
return (site.inTimeline() &&
site.selectedFrames().size() > 1);
}
else
return false;
}
void LinkCelsCommand::onExecute(Context* context)
{
ContextWriter writer(context);
Document* document(writer.document());
bool nonEditableLayers = false;
{
auto site = context->activeSite();
if (!site.inTimeline())
return;
Transaction transaction(writer.context(), friendlyName());
for (Layer* layer : site.selectedLayers()) {
if (!layer->isImage())
continue;
if (!layer->isEditableHierarchy()) {
nonEditableLayers = true;
continue;
}
LayerImage* layerImage = static_cast<LayerImage*>(layer);
for (auto it=site.selectedFrames().begin(), end=site.selectedFrames().end();
it != end; ++it) {
frame_t frame = *it;
Cel* cel = layerImage->cel(frame);
if (cel) {
for (++it; it != end; ++it) {
transaction.execute(
new cmd::CopyCel(
layerImage, cel->frame(),
layerImage, *it,
true)); // true = force links
}
break;
}
}
}
transaction.commit();
}
if (nonEditableLayers)
StatusBar::instance()->showTip(1000,
"There are locked layers");
update_screen_for_document(document);
}
Command* CommandFactory::createLinkCelsCommand()
{
return new LinkCelsCommand;
}
} // namespace app