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parameter but a layout Warning: in ExpressionField: the serialized layout is not guaranteed to be small enough to fill in the text buffer
75 lines
3.3 KiB
C++
75 lines
3.3 KiB
C++
#ifndef CALCULATION_EDIT_EXPRESSION_CONTROLLER_H
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#define CALCULATION_EDIT_EXPRESSION_CONTROLLER_H
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#include <escher.h>
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#include <poincare/expression_layout.h>
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#include "expression_field.h"
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#include "../shared/text_field_delegate.h"
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#include "../shared/expression_layout_field_delegate.h"
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#include "history_controller.h"
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#include "calculation_store.h"
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namespace Calculation {
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class HistoryController;
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/* TODO: implement a split view */
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class EditExpressionController : public DynamicViewController, public Shared::TextFieldDelegate, public Shared::ExpressionLayoutFieldDelegate {
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public:
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EditExpressionController(Responder * parentResponder, HistoryController * historyController, CalculationStore * calculationStore);
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void didBecomeFirstResponder() override;
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void viewDidDisappear() override;
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bool handleEvent(Ion::Events::Event event) override;
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void insertTextBody(const char * text);
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/* TextFieldDelegate */
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bool textFieldDidReceiveEvent(::TextField * textField, Ion::Events::Event event) override;
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bool textFieldDidFinishEditing(::TextField * textField, const char * text, Ion::Events::Event event) override;
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bool textFieldDidAbortEditing(::TextField * textField) override;
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/* ExpressionLayoutFieldDelegate */
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bool expressionLayoutFieldDidReceiveEvent(::ExpressionLayoutField * expressionLayoutField, Ion::Events::Event event) override;
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bool expressionLayoutFieldDidFinishEditing(::ExpressionLayoutField * expressionLayoutField, Poincare::ExpressionLayout * layout, Ion::Events::Event event) override;
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bool expressionLayoutFieldDidAbortEditing(::ExpressionLayoutField * expressionLayoutField) override;
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void expressionLayoutFieldDidChangeSize(::ExpressionLayoutField * expressionLayoutField) override;
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private:
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class ContentView : public View {
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public:
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ContentView(Responder * parentResponder, TableView * subview, TextFieldDelegate * textFieldDelegate, ExpressionLayoutFieldDelegate * expressionLayoutFieldDelegate);
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~ContentView();
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ContentView(const ContentView& other) = delete;
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ContentView(ContentView&& other) = delete;
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ContentView& operator=(const ContentView& other) = delete;
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ContentView& operator=(ContentView&& other) = delete;
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void reload();
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TableView * mainView() { return m_mainView; }
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ExpressionField * expressionField() { return &m_expressionField; }
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/* View */
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int numberOfSubviews() const override { return 2; }
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View * subviewAtIndex(int index) override;
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void layoutSubviews() override;
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private:
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static constexpr int k_bufferLength = TextField::maxBufferSize();
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TableView * m_mainView;
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char m_textBody[k_bufferLength];
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Poincare::ExpressionLayout * m_layout;
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ExpressionField m_expressionField;
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};
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View * loadView() override;
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void unloadView(View * view) override;
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void reloadView();
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bool inputViewDidReceiveEvent(Ion::Events::Event event);
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bool inputViewDidFinishEditing(const char * text, Poincare::ExpressionLayout * layout);
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bool inputViewDidAbortEditing(const char * text);
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Shared::TextFieldDelegateApp * textFieldDelegateApp() override;
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Shared::ExpressionFieldDelegateApp * expressionFieldDelegateApp() override;
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char m_cacheBuffer[Calculation::k_printedExpressionSize];
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HistoryController * m_historyController;
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CalculationStore * m_calculationStore;
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bool m_inputViewHeightIsMaximal;
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};
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}
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#endif
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