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43fc937469
SequenceTitleCell::reloadCell now triggers a layoutSubviews, causing the
vertical alignment to be recomputed. This solves issues regarding the
alignment of a sequence's name and definition, such as :
- typing u_n = v_n ; v_n would be displayed above u_n
- typing u_n = (1/3)/2 then changing to u_n = 1/(2/3) without erasing
the formula first. u_n would no longer be aligned with the = sign.
Change-Id: I4a771d96ea79e42e2f4822e93f9f1cbbcf867610
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
#include "sequence_title_cell.h"
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#include <assert.h>
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using namespace Shared;
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using namespace Poincare;
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namespace Sequence {
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SequenceTitleCell::SequenceTitleCell() :
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Shared::FunctionTitleCell(Orientation::VerticalIndicator),
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m_titleTextView(k_verticalOrientationHorizontalAlignment, k_horizontalOrientationAlignment)
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{
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m_titleTextView.setRightMargin(3);
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}
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void SequenceTitleCell::setOrientation(Orientation orientation) {
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if (orientation == Orientation::VerticalIndicator) {
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/* We do not care here about the vertical alignment, it will be set properly
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* in layoutSubviews */
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m_titleTextView.setAlignment(k_verticalOrientationHorizontalAlignment, k_verticalOrientationHorizontalAlignment);
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} else {
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m_titleTextView.setAlignment(k_horizontalOrientationAlignment, k_horizontalOrientationAlignment);
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}
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FunctionTitleCell::setOrientation(orientation);
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}
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void SequenceTitleCell::setLayout(Poincare::Layout layout) {
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m_titleTextView.setLayout(layout);
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}
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void SequenceTitleCell::setHighlighted(bool highlight) {
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EvenOddCell::setHighlighted(highlight);
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m_titleTextView.setHighlighted(highlight);
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}
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void SequenceTitleCell::setEven(bool even) {
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EvenOddCell::setEven(even);
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m_titleTextView.setEven(even);
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}
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void SequenceTitleCell::setColor(KDColor color) {
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Shared::FunctionTitleCell::setColor(color);
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m_titleTextView.setTextColor(color);
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}
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void SequenceTitleCell::reloadCell() {
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/* When creating a new sequence, the layout has not yet been initialized, but
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* it is needed in layoutSubview to compute the vertical alignment. */
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if (TreeNode::IsValidIdentifier(layout().identifier())) {
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layoutSubviews();
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}
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m_titleTextView.reloadCell();
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FunctionTitleCell::reloadCell();
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}
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int SequenceTitleCell::numberOfSubviews() const {
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return 1;
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}
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View * SequenceTitleCell::subviewAtIndex(int index) {
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assert(index == 0);
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return &m_titleTextView;
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}
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void SequenceTitleCell::layoutSubviews(bool force) {
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assert(TreeNode::IsValidIdentifier(layout().identifier()));
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if (m_orientation == Orientation::VerticalIndicator) {
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m_titleTextView.setAlignment(k_verticalOrientationHorizontalAlignment, verticalAlignment());
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}
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m_titleTextView.setFrame(subviewFrame(), force);
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}
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float SequenceTitleCell::verticalAlignmentGivenExpressionBaselineAndRowHeight(KDCoordinate expressionBaseline, KDCoordinate rowHeight) const {
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assert(m_orientation == Orientation::VerticalIndicator);
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Layout l = layout();
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return ((float)(expressionBaseline - l.baseline()))/((float)rowHeight-l.layoutSize().height());
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}
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}
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