bwAbstractButton.h

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#pragma once
 
#include <memory>
#include <string>
 
#include "bwUtil.h"
#include "bwWidget.h"
#include "bwWidgetBaseStyle.h"
 
namespace bWidgets {
 
class bwIconInterface;
 
class bwAbstractButton : public bwWidget {
 public:
  void draw(class bwStyle& style) override;
  void registerProperties() override;
 
  auto getLabel() const -> const std::string* override;
  auto setLabel(const std::string& label) -> bwAbstractButton&;
  virtual auto getIcon() const -> const bwIconInterface*;
 
  auto createHandler() -> std::unique_ptr<bwScreenGraph::EventHandler> override;
 
  std::unique_ptr<bwFunctorInterface> apply_functor{nullptr};
 
  unsigned int rounded_corners;
 
 protected:
  // Protected constructor to force calling through inherited class (pseudo abstract).
  bwAbstractButton(const std::string& text,
                   std::optional<unsigned int> width_hint = std::nullopt,
                   std::optional<unsigned int> height_hint = std::nullopt);
  void apply();
 
  std::string text;
 
 public:
  bwWidgetBaseStyle
      base_style;  // XXX public for setWidgetStyle. Should only be temporarily needed.
};
 
class bwAbstractButtonHandler : public bwScreenGraph::EventHandler {
 public:
  bwAbstractButtonHandler(bwAbstractButton& button);
  virtual ~bwAbstractButtonHandler() = default;
 
  void onMouseEnter(bwEvent&) override;
  void onMouseLeave(bwEvent&) override;
  void onMousePress(bwMouseButtonEvent&) override;
  void onMouseRelease(bwMouseButtonEvent&) override;
 
 protected:
  bwAbstractButton& button;
 
  void apply();
};
 
}  // namespace bWidgets