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36 lines
868 B
C++
36 lines
868 B
C++
#include "resizing-text-edit.hpp"
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namespace advss {
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ResizingPlainTextEdit::ResizingPlainTextEdit(QWidget *parent,
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const int scrollAt,
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const int minLines,
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const int paddingLines)
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: QPlainTextEdit(parent),
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_scrollAt(scrollAt),
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_minLines(minLines),
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_paddingLines(paddingLines)
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{
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QWidget::connect(this, SIGNAL(textChanged()), this,
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SLOT(ResizeTexteditArea()));
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}
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void ResizingPlainTextEdit::ResizeTexteditArea()
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{
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QFontMetrics f(font());
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int rowHeight = f.lineSpacing();
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int numLines = document()->blockCount();
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if (numLines + _paddingLines < _minLines) {
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setFixedHeight(_minLines * rowHeight);
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} else if (numLines + _paddingLines < _scrollAt) {
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setFixedHeight((numLines + _paddingLines) * rowHeight);
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} else {
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setFixedHeight(_scrollAt * rowHeight);
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}
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adjustSize();
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updateGeometry();
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}
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} // namespace advss
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