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Such changes used to be detected only when the height was equal to the maximal allowed value, by detecting whether the height shifted from or to that maximal value. For that purpose, a boolean was memoized in InputViewController and in Calculation::EditExpressionController.
70 lines
3.5 KiB
C++
70 lines
3.5 KiB
C++
#ifndef ESCHER_INPUT_VIEW_CONTROLLER_H
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#define ESCHER_INPUT_VIEW_CONTROLLER_H
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#include <escher/expression_field.h>
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#include <escher/layout_field_delegate.h>
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#include <escher/input_event_handler_delegate.h>
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#include <escher/modal_view_controller.h>
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#include <escher/invocation.h>
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#include <escher/text_field.h>
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#include <escher/text_field_delegate.h>
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#include <poincare/layout.h>
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/* TODO Implement a split view. Because we use a modal view, the main view is
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* redrawn underneath the modal view, which is visible and ugly. */
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class InputViewController : public ModalViewController, InputEventHandlerDelegate, TextFieldDelegate, LayoutFieldDelegate {
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public:
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InputViewController(Responder * parentResponder, ViewController * child, InputEventHandlerDelegate * inputEventHandlerDelegate, TextFieldDelegate * textFieldDelegate, LayoutFieldDelegate * layoutFieldDelegate);
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const char * textBody() {
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return m_expressionFieldController.expressionField()->text();
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}
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void setTextBody(const char * text) {
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m_expressionFieldController.expressionField()->setText(text);
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}
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void edit(Responder * caller, Ion::Events::Event event, void * context, Invocation::Action successAction, Invocation::Action failureAction);
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bool isEditing();
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void abortEditionAndDismiss();
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/* TextFieldDelegate */
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bool textFieldDidReceiveEvent(TextField * textField, Ion::Events::Event event) override;
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bool textFieldShouldFinishEditing(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 layoutFieldShouldFinishEditing(LayoutField * layoutField, Ion::Events::Event event) override;
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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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/* InputEventHandlerDelegate */
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Toolbox * toolboxForInputEventHandler(InputEventHandler * handler) override;
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NestedMenuController * variableBoxForInputEventHandler(InputEventHandler * handler) override;
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private:
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class ExpressionFieldController : public ViewController {
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public:
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ExpressionFieldController(Responder * parentResponder, InputEventHandlerDelegate * inputEventHandlerDelegate, TextFieldDelegate * textFieldDelegate, LayoutFieldDelegate * layoutFieldDelegate);
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ExpressionFieldController(const ExpressionFieldController& other) = delete;
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ExpressionFieldController(ExpressionFieldController&& other) = delete;
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ExpressionFieldController& operator=(const ExpressionFieldController& other) = delete;
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ExpressionFieldController& operator=(ExpressionFieldController&& other) = delete;
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void didBecomeFirstResponder() override;
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View * view() override { return &m_expressionField; }
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ExpressionField * expressionField() { return &m_expressionField; }
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private:
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ExpressionField m_expressionField;
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};
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bool inputViewDidFinishEditing();
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void inputViewDidAbortEditing();
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ExpressionFieldController m_expressionFieldController;
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Invocation m_successAction;
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Invocation m_failureAction;
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InputEventHandlerDelegate * m_inputEventHandlerDelegate;
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TextFieldDelegate * m_textFieldDelegate;
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LayoutFieldDelegate * m_layoutFieldDelegate;
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};
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#endif
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