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-rw-r--r--src/squelch/tree_printer.cc94
1 files changed, 94 insertions, 0 deletions
diff --git a/src/squelch/tree_printer.cc b/src/squelch/tree_printer.cc
new file mode 100644
index 00000000..0dbceec9
--- /dev/null
+++ b/src/squelch/tree_printer.cc
@@ -0,0 +1,94 @@
+#include "tome/squelch/tree_printer_fwd.hpp"
+#include "tome/squelch/tree_printer.hpp"
+
+#include "../z-term.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;
+ }
+ }
+}
+
+void TreePrinter::write(uint8_t color, std::string const &line)
+{
+ write(color, line.c_str());
+}
+
+} // namespace