edit_expression_controller.h
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#ifndef CALCULATION_EDIT_EXPRESSION_CONTROLLER_H
#define CALCULATION_EDIT_EXPRESSION_CONTROLLER_H
#include <escher.h>
#include "../shared/text_field_delegate.h"
#include "history_controller.h"
#include "calculation_store.h"
#include "text_field.h"
namespace Calculation {
class HistoryController;
/* TODO: implement a split view */
class EditExpressionController : public DynamicViewController, public Shared::TextFieldDelegate {
public:
EditExpressionController(Responder * parentResponder, HistoryController * historyController, CalculationStore * calculationStore);
void didBecomeFirstResponder() override;
void viewDidDisappear() override;
bool handleEvent(Ion::Events::Event event) override;
const char * textBody();
void insertTextBody(const char * text);
bool textFieldDidReceiveEvent(::TextField * textField, Ion::Events::Event event) override;
bool textFieldDidFinishEditing(::TextField * textField, const char * text, Ion::Events::Event event) override;
bool textFieldDidAbortEditing(::TextField * textField, const char * text) override;
private:
class ContentView : public View {
public:
ContentView(Responder * parentResponder, TableView * subview, TextFieldDelegate * textFieldDelegate);
int numberOfSubviews() const override;
View * subviewAtIndex(int index) override;
void layoutSubviews() override;
TextField * textField();
TableView * mainView();
void drawRect(KDContext * ctx, KDRect rect) const override;
private:
static constexpr KDCoordinate k_textFieldHeight = 37;
static constexpr KDCoordinate k_textMargin= 5;
constexpr static int k_separatorThickness = 1;
TableView * m_mainView;
TextField m_textField;
char m_textBody[TextField::maxBufferSize()];
};
View * loadView() override;
void unloadView(View * view) override;
Shared::TextFieldDelegateApp * textFieldDelegateApp() override;
char m_cacheBuffer[TextField::maxBufferSize()];
HistoryController * m_historyController;
CalculationStore * m_calculationStore;
};
}
#endif