1 files changed, 89 insertions, 0 deletions
diff --git a/src/squelch/tree_printer.cc b/src/squelch/tree_printer.cc
new file mode 100644
index 00000000..812933a9
--- /dev/null
+++ b/src/squelch/tree_printer.cc
@@ -0,0 +1,89 @@
+#include "tome/squelch/tree_printer_fwd.hpp"
+#include "tome/squelch/tree_printer.hpp"
+
+#include "angband.h"
+
+namespace squelch {
+
+TreePrinter::TreePrinter() : m_indent(0)
+{
+	int wid, hgt;
+	// Output window
+	Term_get_size(&wid, &hgt);
+	m_write_out_y = 1;
+	m_write_out_x = 16;
+	m_write_out_h = hgt - 4 - 1;
+	m_write_out_w = wid - 1 - 15 - 1;
+	// Set position
+	reset();
+	reset_scroll();
+}
+
+void TreePrinter::indent() {
+	m_indent++;
+}
+
+void TreePrinter::dedent() {
+	m_indent--;
+}
+
+void TreePrinter::reset() {
+	m_write_x = 0;
+	m_write_y = 0;
+}
+
+void TreePrinter::reset_scroll() {
+	m_write_off_y = 0;
+	m_write_off_x = 0;
+}
+
+void TreePrinter::scroll_up() {
+	m_write_off_y--;
+}
+
+void TreePrinter::scroll_down() {
+	m_write_off_y++;
+}
+
+void TreePrinter::scroll_left() {
+	m_write_off_x++;
+}
+
+void TreePrinter::scroll_right() {
+	m_write_off_x--;
+}
+
+void TreePrinter::write(uint8_t color, cptr line)
+{
+	cptr p = line;
+
+	for (p = line; *p != '\0'; p++)
+	{
+		char c = *p;
+		int x = m_write_x - m_write_off_x + 3*m_indent;
+		int y = m_write_y - m_write_off_y;
+
+		if (c != '\n')
+		{
+			if ((y >= 0) &&
+			    (y < m_write_out_h) &&
+			    (x >= 0) &&
+			    (x < m_write_out_w))
+			{
+				Term_putch(x + m_write_out_x,
+					   y + m_write_out_y,
+					   color,
+					   c);
+			}
+
+			m_write_x += 1;
+		}
+		else
+		{
+			m_write_x = 0;
+			m_write_y += 1;
+		}
+	}
+}
+
+} // namespace