--- a/src/display/canvas.h
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+++ b/src/display/canvas.h
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@@ -48,7 +48,7 @@ class Canvas {
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public:
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typedef std::vector<Attributes> attributes_list;
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- Canvas(int x = 0, int y = 0, int width = 0, int height = 0);
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+ Canvas(int x = 0, int y = 0, int width = 1, int height = 1);
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~Canvas() { delwin(m_window); }
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void refresh() { wnoutrefresh(m_window); }
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