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https://github.com/UpsilonNumworks/Upsilon.git
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47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
#include "controller.h"
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namespace ExpressionEditor {
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Controller::Controller(Responder * parentResponder, Poincare::ExpressionLayout * expressionLayout) :
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ViewController(parentResponder),
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m_view(parentResponder, expressionLayout, &m_cursor),
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m_expressionLayout(expressionLayout)
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{
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m_cursor.setPointedExpressionLayout(expressionLayout->editableChild(0));
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}
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void Controller::didBecomeFirstResponder() {
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m_view.layoutSubviews();
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/* TODO We need the layout to be done in order to scroll to the cursor. We
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* thus made ExpressionViewWithCursor's layoutSubviews() public, which is the
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* solution used in ModalViewController for instance. A cleaner solution would
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* be to split viewWillAppear into loadViewIfNeeded() and viewWillAppear(), in
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* order to change App::didBecomeActive to:
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* m_modalViewController.loadViewIfNeeded();
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* window->setContentView(view);
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* m_modalViewController.viewWillAppear();
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* The scrolling could then be done in viewWillAppear(), without calling
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* layoutSubviews() manually. */
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m_view.scrollableExpressionViewWithCursor()->scrollToCursor();
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}
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bool Controller::handleEvent(Ion::Events::Event event) {
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bool returnValue = false;
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if ((event == Ion::Events::Left && m_cursor.moveLeft())
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|| (event == Ion::Events::Right && m_cursor.moveRight())
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|| (event == Ion::Events::Up && m_cursor.moveUp())
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|| (event == Ion::Events::Down && m_cursor.moveDown()))
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{
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returnValue = true;
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}
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else if (event.hasText() && m_expressionLayout->insertLayoutForTextAtCursor(event.text(), &m_cursor)) {
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returnValue = true;
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m_expressionLayout->invalidAllSizesAndPositions();
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m_view.layoutSubviews();
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}
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m_view.cursorPositionChanged();
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return returnValue;
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}
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}
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