VuoCommandResizeComment.cc

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#include "VuoCommandCommon.hh"
#include "VuoCommandResizeComment.hh"
#include "VuoComment.hh"
#include "VuoCompilerComment.hh"
#include "VuoEditorComposition.hh"
#include "VuoEditorWindow.hh"
#include "VuoRendererComment.hh"
 
VuoCommandResizeComment::VuoCommandResizeComment(VuoRendererComment *comment, qreal dx, qreal dy, VuoEditorWindow *window)
    : VuoCommandCommon(window)
{
    setText(QApplication::translate("VuoEditorWindow", "Resize Comment"));
    this->window = window;
    this->revertedSnapshot = window->getComposition()->takeSnapshot();
 
    // Since the only current way to resize a comment is by dragging, the resizing must already have happened.
    bool changeAlreadyMade = true;
    if (changeAlreadyMade)
    {
        // If the item's size has already been updated, reconstruct its original size
        // for the composition's "Before" snapshot.
        comment->getBase()->setWidth(comment->getBase()->getWidth() - dx);
        comment->getBase()->setHeight(comment->getBase()->getHeight() - dy);
 
        this->revertedSnapshot = window->getComposition()->takeSnapshot();
 
        // Now re-re-size it.
        comment->getBase()->setWidth(comment->getBase()->getWidth() + dx);
        comment->getBase()->setHeight(comment->getBase()->getHeight() + dy);
    }
    else
        this->revertedSnapshot = window->getComposition()->takeSnapshot();
 
 
    // Start of command content.
    {
        // Would only need to do something here if @c changeAlreadyMade were false.
    }
    // End of command content.
 
    this->updatedSnapshot = window->getComposition()->takeSnapshot();
 
    setDescription("Resize comment %s to %d,%d",
        comment->getBase()->getCompiler()->getGraphvizIdentifier().c_str(),
        comment->getBase()->getWidth(),
        comment->getBase()->getHeight());
}
 
int VuoCommandResizeComment::id() const
{
    return VuoCommandCommon::resizeCommentCommandID;
}
 
void VuoCommandResizeComment::undo()
{
    VuoCommandCommon_undo;
 
    window->resetCompositionWithSnapshot(revertedSnapshot);
}
 
void VuoCommandResizeComment::redo()
{
    VuoCommandCommon_redo;
 
    window->resetCompositionWithSnapshot(updatedSnapshot);
}