Move keyboard handling to separate classes

Encapsulate all the platform specific magic around keyboard in to
specific classes, in order to keep the core code more readable.

1 files changed, 49 insertions, 0 deletions

diff --git a/vncviewer/Keyboard.h b/vncviewer/Keyboard.h
new file mode 100644
index 00000000..81360252
--- /dev/null
+++ b/vncviewer/Keyboard.h
@@ -0,0 +1,49 @@
+/* Copyright 2011-2021 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifndef __KEYBOARD_H__
+#define __KEYBOARD_H__
+
+#include <stdint.h>
+
+class KeyboardHandler
+{
+public:
+  virtual void handleKeyPress(int systemKeyCode,
+                              uint32_t keyCode, uint32_t keySym) = 0;
+  virtual void handleKeyRelease(int systemKeyCode) = 0;
+};
+
+class Keyboard
+{
+public:
+  Keyboard(KeyboardHandler* handler_) : handler(handler_) {};
+  virtual ~Keyboard() {};
+
+  virtual bool handleEvent(const void* event) = 0;
+
+  virtual void reset() {};
+
+  virtual unsigned getLEDState() = 0;
+  virtual void setLEDState(unsigned state) = 0;
+
+protected:
+  KeyboardHandler* handler;
+};
+
+#endif