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0927ffca29
The cacheBuffer from EditExpressionController has been moved in the snapshot, to act as a zone where layout information can be kept while the app is inactive. Change-Id: If9206abf77f37d6b984826e5f09658848381a75f
72 lines
3.3 KiB
C++
72 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/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/layout_field_delegate.h"
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#include "history_controller.h"
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#include "selectable_table_view.h"
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namespace Calculation {
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/* TODO: implement a split view */
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class EditExpressionController : public ViewController, public Shared::TextFieldDelegate, public Shared::LayoutFieldDelegate {
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public:
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EditExpressionController(Responder * parentResponder, InputEventHandlerDelegate * inputEventHandlerDelegate, char * cacheBuffer, size_t * cacheBufferInformation, HistoryController * historyController, CalculationStore * calculationStore);
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/* k_layoutBufferMaxSize dictates the size under which the expression being
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* edited can be remembered when the user leaves Calculation. */
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static constexpr int k_layoutBufferMaxSize = 1024;
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/* k_cacheBufferSize is the size of the array to which m_cacheBuffer points.
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* It is used both as a way to buffer expression when pushing them the
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* CalculationStore, and as a storage for the current input when leaving the
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* application. */
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static constexpr int k_cacheBufferSize = (k_layoutBufferMaxSize < Constant::MaxSerializedExpressionSize) ? Constant::MaxSerializedExpressionSize : k_layoutBufferMaxSize;
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View * view() override { return &m_contentView; }
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void didBecomeFirstResponder() override;
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void viewWillAppear() 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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/* LayoutFieldDelegate */
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bool layoutFieldDidReceiveEvent(::LayoutField * layoutField, Ion::Events::Event event) override;
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bool layoutFieldDidFinishEditing(::LayoutField * layoutField, Poincare::Layout layoutR, Ion::Events::Event event) override;
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bool layoutFieldDidAbortEditing(::LayoutField * layoutField) override;
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void layoutFieldDidChangeSize(::LayoutField * layoutField) 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, CalculationSelectableTableView * subview, InputEventHandlerDelegate * inputEventHandlerDelegate, TextFieldDelegate * textFieldDelegate, LayoutFieldDelegate * layoutFieldDelegate);
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void reload();
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CalculationSelectableTableView * mainView() { return m_mainView; }
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ExpressionField * expressionField() { return &m_expressionField; }
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private:
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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(bool force = false) override;
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CalculationSelectableTableView * m_mainView;
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ExpressionField m_expressionField;
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};
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void reloadView();
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bool inputViewDidReceiveEvent(Ion::Events::Event event, bool shouldDuplicateLastCalculation);
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bool inputViewDidFinishEditing(const char * text, Poincare::Layout layoutR);
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bool inputViewDidAbortEditing(const char * text);
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char * m_cacheBuffer;
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size_t * m_cacheBufferInformation;
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HistoryController * m_historyController;
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CalculationStore * m_calculationStore;
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ContentView m_contentView;
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};
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}
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#endif
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