1 files changed, 79 insertions, 0 deletions
diff --git a/src/input_dispatcher.hh b/src/input_dispatcher.hh
new file mode 100644
index 0000000..6aa7059
--- /dev/null
+++ b/src/input_dispatcher.hh
@@ -0,0 +1,79 @@
+/**
+ * Copyright (c) 2018, Timothy Stack
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * * Neither the name of Timothy Stack nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @file input_dispatcher.hh
+ */
+
+#ifndef INPUT_DISPATCHER_HH
+#define INPUT_DISPATCHER_HH
+
+#include <functional>
+
+#include <sys/types.h>
+
+#define KEY_ESCAPE        0x1b
+#define KEY_CTRL_RBRACKET 0x1d
+
+class input_dispatcher {
+public:
+    void new_input(const struct timeval& current_time, int ch);
+
+    void poll(const struct timeval& current_time);
+
+    bool in_escape() const
+    {
+        return this->id_escape_index > 0;
+    }
+
+    enum class escape_match_t {
+        NONE,
+        PARTIAL,
+        FULL,
+    };
+
+    std::function<escape_match_t(const char*)> id_escape_matcher;
+    std::function<bool(int)> id_key_handler;
+    std::function<void(const char*)> id_escape_handler;
+    std::function<void()> id_mouse_handler;
+    std::function<void(const char*)> id_unhandled_handler;
+
+private:
+    void reset_escape_buffer(int ch,
+                             const struct timeval& current_time,
+                             ssize_t expected_size = -1);
+    void append_to_escape_buffer(int ch);
+
+    char id_escape_buffer[32];
+    ssize_t id_escape_index{0};
+    ssize_t id_escape_expected_size{-1};
+    struct timeval id_escape_start_time {
+        0, 0
+    };
+};
+
+#endif