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Upsilon/escher/include/escher/input_view_controller.h
2018-07-03 18:29:08 +02:00

65 lines
3.2 KiB
C++

#ifndef ESCHER_INPUT_VIEW_CONTROLLER_H
#define ESCHER_INPUT_VIEW_CONTROLLER_H
#include <escher/expression_field.h>
#include <escher/layout_field_delegate.h>
#include <escher/modal_view_controller.h>
#include <escher/invocation.h>
#include <escher/text_field.h>
#include <escher/text_field_delegate.h>
#include <poincare.h>
/* TODO Implement a split view. Because we use a modal view, the main view is
* redrawn underneath the modal view, which is visible and ugly. */
class InputViewController : public ModalViewController, TextFieldDelegate, LayoutFieldDelegate {
public:
InputViewController(Responder * parentResponder, ViewController * child, TextFieldDelegate * textFieldDelegate, LayoutFieldDelegate * layoutFieldDelegate);
void edit(Responder * caller, Ion::Events::Event event, void * context, const char * initialText, Invocation::Action successAction, Invocation::Action failureAction);
const char * textBody();
void abortEditionAndDismiss();
/* TextFieldDelegate */
bool textFieldDidReceiveEvent(TextField * textField, Ion::Events::Event event) override;
bool textFieldShouldFinishEditing(TextField * textField, Ion::Events::Event event) override;
bool textFieldDidFinishEditing(TextField * textField, const char * text, Ion::Events::Event event) override;
bool textFieldDidAbortEditing(TextField * textField) override;
Toolbox * toolboxForTextInput(TextInput * textInput) override;
/* LayoutFieldDelegate */
bool layoutFieldShouldFinishEditing(LayoutField * layoutField, Ion::Events::Event event) override;
bool layoutFieldDidReceiveEvent(LayoutField * layoutField, Ion::Events::Event event) override;
bool layoutFieldDidFinishEditing(LayoutField * layoutField, Poincare::LayoutRef layoutR, Ion::Events::Event event) override;
bool layoutFieldDidAbortEditing(LayoutField * layoutField) override;
void layoutFieldDidChangeSize(LayoutField * layoutField) override;
Toolbox * toolboxForLayoutField(LayoutField * layoutField) override;
private:
class ExpressionFieldController : public ViewController {
public:
ExpressionFieldController(Responder * parentResponder, TextFieldDelegate * textFieldDelegate, LayoutFieldDelegate * layoutFieldDelegate);
ExpressionFieldController(const ExpressionFieldController& other) = delete;
ExpressionFieldController(ExpressionFieldController&& other) = delete;
ExpressionFieldController& operator=(const ExpressionFieldController& other) = delete;
ExpressionFieldController& operator=(ExpressionFieldController&& other) = delete;
void didBecomeFirstResponder() override;
View * view() override { return &m_expressionField; }
ExpressionField * expressionField() { return &m_expressionField; }
private:
static constexpr int k_bufferLength = TextField::maxBufferSize();
Poincare::LayoutRef m_layout;
char m_textBuffer[k_bufferLength];
ExpressionField m_expressionField;
};
void inputViewDidFinishEditing();
void inputViewDidAbortEditing();
ExpressionFieldController m_expressionFieldController;
Invocation m_successAction;
Invocation m_failureAction;
TextFieldDelegate * m_textFieldDelegate;
LayoutFieldDelegate * m_layoutFieldDelegate;
bool m_inputViewHeightIsMaximal;
};
#endif