expanding_widget.h

#pragma once
 
#include <QHBoxLayout>
#include <QLineEdit>
#include <QPropertyAnimation>
#include <QPushButton>
#include <QWidget>
 
#include "collapsible_area.h"
 
class ClickableIcon;

class ExpandingWidget : public QWidget
{
  Q_OBJECT
 
public:
  enum class Direction
  {
    Up,
    Right,  
    Left    
  };

  ExpandingWidget(Direction direction, QWidget* parent = nullptr);

  void setButtonIcon(const QIcon& icon);

  void setButtonTooltip(const QString& tooltip);

  void addCollapsableWidget(QWidget* widget, const QString& label = "");

  void setExpandedSize(int size);

  void expandArea();

  void collapseArea();
 
  QVBoxLayout* getContent() const;
 
signals:
  void textChanged(const QString& text);

  void areaExpanded(ClickableIcon* button);

  void areaCollapsed(ClickableIcon* button);
 
public slots:
  void setExpanded(bool expanded);
 
protected:
  void resizeEvent(QResizeEvent* event) override;
 
private:
  ClickableIcon* mButton;          
  QWidget* mSearchArea;            
  QWidget* mContentWidget;         
  QPropertyAnimation* mAnimation;  
 
  Direction mDirection;
  int mExpandedSize;  
 
  void setupVerticalWidget();
  void setupHorizontalWidget();
 
  void updateCrossAxisSize();
  void updateContentGeometry();
};