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41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
#include "function_expression_view.h"
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namespace Graph {
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constexpr KDColor FunctionExpressionView::k_separatorColor;
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FunctionExpressionView::FunctionExpressionView() :
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EvenOddCell(),
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m_function(nullptr)
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{
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}
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void FunctionExpressionView::setFunction(Function * f) {
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m_function = f;
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markRectAsDirty(bounds());
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}
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Function * FunctionExpressionView::function() {
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return m_function;
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}
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void FunctionExpressionView::drawRect(KDContext * ctx, KDRect rect) const {
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EvenOddCell::drawRect(ctx, rect);
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// Color the separator
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ctx->fillRect(KDRect(0, 0, k_separatorThickness, bounds().height()), k_separatorColor);
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if (m_function->layout() == nullptr) {
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return;
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}
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// Select the background color according to the even line and the cursor selection
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KDColor background = backgroundColor();
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// Select text color according to the state of the function
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bool active = m_function->isActive();
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KDColor text = active ? KDColorBlack : Palette::k_desactiveTextColor;
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//Position the origin of expression
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KDSize expressionSize = m_function->layout()->size();
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KDPoint origin(k_separatorThickness, 0.5f*(m_frame.height() - expressionSize.height()));
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m_function->layout()->draw(ctx, origin, text, background);
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}
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}
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