1 files changed, 37 insertions, 0 deletions
diff --git a/src/input.cpp b/src/input.cpp
new file mode 100644
index 0000000..5cbedb2
--- /dev/null
+++ b/src/input.cpp
@@ -0,0 +1,37 @@
+#include "input.hpp"
+namespace input {
+
+int getcode() {
+    int r = 0;
+    char c;
+    if(read(STDIN_FILENO, &c, 1) != 1) return -1;
+    if(c == '\x1b') {
+        char seq[3];
+        if(read(STDIN_FILENO, &seq[0], 1) != 1) return '\x1b';
+        if(read(STDIN_FILENO, &seq[1], 1) != 1) return '\x1b';
+        if(seq[0] == '[') {
+            if(seq[1] >= 0 && seq[1] <= '9') {
+                if(read(STDIN_FILENO, &seq[2], 1) != 1) return '\x1b';
+                if(seq[2] == '~') {
+                    switch(seq[1]) {
+                        case '1':
+                        case '7': return CTRL_KEY_HOME;
+                        case '4':
+                        case '8': return CTRL_KEY_END;
+                        default: return CTRL_RANGE_START + seq[1] + 20;
+                    }
+                }
+            }else{
+                switch(seq[1]) {
+                    default: return CTRL_RANGE_START + seq[1];
+                }
+            }
+        }else if(seq[0] == 'O') {
+            return CTRL_RANGE_START + seq[1];
+        }
+        return '\x1b';
+    }else{
+        return c;
+    }
+}
+}