void PixelsMovement::dropImage()
{
m_isDragging = false;
// Stamp the image in the current layer.
stampImage();
// This is the end of the whole undo transaction.
m_transaction.commit();
// Destroy the extra cel (this cel will be used by the drawing
// cursor surely).
ContextWriter writer(m_reader, 1000);
m_document->setExtraCel(ExtraCelRef(nullptr));
}
void PixelsMovement::discardImage(bool commit)
{
m_isDragging = false;
// Deselect the mask (here we don't stamp the image)
m_transaction.execute(new cmd::DeselectMask(m_document));
if (commit)
m_transaction.commit();
// Destroy the extra cel and regenerate the mask boundaries (we've
// just deselect the mask).
ContextWriter writer(m_reader, 1000);
m_document->setExtraCel(ExtraCelRef(nullptr));
m_document->generateMaskBoundaries();
}
void UndoCommand::onExecute(Context* context)
{
ContextWriter writer(context);
Document* document(writer.document());
DocumentUndo* undo = document->undoHistory();
Sprite* sprite = document->sprite();
SpritePosition spritePosition;
const bool gotoModified =
Preferences::instance().undo.gotoModified();
if (gotoModified) {
SpritePosition currentPosition(writer.site()->layerIndex(),
writer.site()->frame());
if (m_type == Undo)
spritePosition = undo->nextUndoSpritePosition();
else
spritePosition = undo->nextRedoSpritePosition();
if (spritePosition != currentPosition) {
current_editor->setLayer(sprite->indexToLayer(spritePosition.layerIndex()));
current_editor->setFrame(spritePosition.frame());
// Draw the current layer/frame (which is not undone yet) so the
// user can see the doUndo/doRedo effect.
current_editor->drawSpriteClipped(
gfx::Region(gfx::Rect(0, 0, sprite->width(), sprite->height())));
current_editor->manager()->flipDisplay();
base::this_thread::sleep_for(0.01);
}
}
StatusBar* statusbar = StatusBar::instance();
if (statusbar)
statusbar->showTip(1000, "%s %s",
(m_type == Undo ? "Undid": "Redid"),
(m_type == Undo ?
undo->nextUndoLabel().c_str():
undo->nextRedoLabel().c_str()));
// Effectively undo/redo.
if (m_type == Undo)
undo->undo();
else
undo->redo();
// After redo/undo, we retry to change the current SpritePosition
// (because new frames/layers could be added, positions that we
// weren't able to reach before the undo).
if (gotoModified) {
SpritePosition currentPosition(
writer.site()->layerIndex(),
writer.site()->frame());
if (spritePosition != currentPosition) {
current_editor->setLayer(sprite->indexToLayer(spritePosition.layerIndex()));
current_editor->setFrame(spritePosition.frame());
}
}
document->generateMaskBoundaries();
document->setExtraCel(ExtraCelRef(nullptr));
update_screen_for_document(document);
set_current_palette(writer.palette(), false);
}
void UndoCommand::onExecute(Context* context)
{
ContextWriter writer(context);
Doc* document(writer.document());
DocUndo* undo = document->undoHistory();
#ifdef ENABLE_UI
Sprite* sprite = document->sprite();
SpritePosition spritePosition;
const bool gotoModified =
(Preferences::instance().undo.gotoModified() &&
context->isUIAvailable() && current_editor);
if (gotoModified) {
SpritePosition currentPosition(writer.site()->layer(),
writer.site()->frame());
if (m_type == Undo)
spritePosition = undo->nextUndoSpritePosition();
else
spritePosition = undo->nextRedoSpritePosition();
if (spritePosition != currentPosition) {
Layer* selectLayer = spritePosition.layer();
if (selectLayer)
current_editor->setLayer(selectLayer);
current_editor->setFrame(spritePosition.frame());
// Draw the current layer/frame (which is not undone yet) so the
// user can see the doUndo/doRedo effect.
current_editor->drawSpriteClipped(
gfx::Region(gfx::Rect(0, 0, sprite->width(), sprite->height())));
current_editor->manager()->flipDisplay();
base::this_thread::sleep_for(0.01);
}
}
// Get the stream to deserialize the document range after executing
// the undo/redo action. We cannot yet deserialize the document
// range because there could be inexistent layers.
std::istream* docRangeStream;
if (m_type == Undo)
docRangeStream = undo->nextUndoDocRange();
else
docRangeStream = undo->nextRedoDocRange();
StatusBar* statusbar = StatusBar::instance();
if (statusbar) {
std::string msg;
if (m_type == Undo)
msg = "Undid " + undo->nextUndoLabel();
else
msg = "Redid " + undo->nextRedoLabel();
if (Preferences::instance().undo.showTooltip())
statusbar->showTip(1000, msg.c_str());
else
statusbar->setStatusText(0, msg.c_str());
}
#endif // ENABLE_UI
// Effectively undo/redo.
if (m_type == Undo)
undo->undo();
else
undo->redo();
#ifdef ENABLE_UI
// After redo/undo, we retry to change the current SpritePosition
// (because new frames/layers could be added, positions that we
// weren't able to reach before the undo).
if (gotoModified) {
Site newSite = context->activeSite();
SpritePosition currentPosition(
newSite.layer(),
newSite.frame());
if (spritePosition != currentPosition) {
Layer* selectLayer = spritePosition.layer();
if (selectLayer)
current_editor->setLayer(selectLayer);
current_editor->setFrame(spritePosition.frame());
}
}
// Update timeline range. We've to deserialize the DocRange at
// this point when objects (possible layers) are re-created after
// the undo and we can deserialize them.
if (docRangeStream) {
Timeline* timeline = App::instance()->timeline();
if (timeline) {
DocRange docRange;
if (docRange.read(*docRangeStream))
timeline->setRange(docRange);
}
}
#endif // ENABLE_UI
document->generateMaskBoundaries();
document->setExtraCel(ExtraCelRef(nullptr));
#ifdef ENABLE_UI
update_screen_for_document(document);
#endif
set_current_palette(writer.palette(), false);
}