pip 0.4.0_r5 stable

git-svn-id: svn://db.shs.com.ru/pip@1 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

pikbdlistener.h

@@ -0,0 +1,130 @@
+/*! \file pikbdlistener.h
+ * \brief Keyboard console input listener
+*/
+/*
+    PIP - Platform Independent Primitives
+    Keyboard grabber for console
+    Copyright (C) 2014  Ivan Pelipenko peri4ko@gmail.com
+
+    This program 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 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PIKBDLISTENER_H
+#define PIKBDLISTENER_H
+
+#include "pithread.h"
+#ifndef WINDOWS
+#  include <termios.h>
+#endif
+
+#define WAIT_FOR_EXIT while (!PIKbdListener::exiting) msleep(1);
+
+typedef void (*KBFunc)(char, void * );
+
+class PIP_EXPORT PIKbdListener: public PIThread
+{
+	PIOBJECT(PIKbdListener)
+	friend class PIConsole;
+public:
+	
+	//! Special keyboard keys
+	enum SpecialSymbol {
+		UpArrow /** Up arrow key */ = -1,
+		DownArrow /** Down arrow key */ = -2,
+		RightArrow /** Right arrow key */ = -3,
+		LeftArrow /** Left arrow key */ = -4,
+		CtrlUpArrow /** Ctrl + Up arrow key */ = -5,
+		CtrlDownArrow /** Ctrl + Down arrow key */ = -6,
+		CtrlRightArrow /** Ctrl + Right arrow key */ = -7,
+		CtrlLeftArrow /** Ctrl + Left arrow key */ = -8
+	};
+	
+	//! Constructs keyboard listener with external function "slot" and custom data "data"
+	PIKbdListener(KBFunc slot = 0, void * data = 0);
+	
+	~PIKbdListener() {terminate(); end();}
+	
+	
+	//! Returns custom data
+	void * data() {return data_;}
+	
+	//! Set custom data to "_data"
+	void setData(void * _data) {data_ = _data;}
+	
+	//! Set external function to "slot"
+	void setSlot(KBFunc slot) {ret_func = slot;}
+	
+	//! Returns if exit key if awaiting
+	bool exitCaptured() const {return exit_enabled;}
+	
+	//! Returns exit key, default 'Q'
+	char exitKey() const {return exit_key;}
+	
+	
+	//! Returns if keyboard listening is active (not running!)
+	bool isActive() {return is_active;}
+	
+	EVENT_HANDLER( void, enableExitCapture) {enableExitCapture('Q');}
+	EVENT_HANDLER1(void, enableExitCapture, char, key) {exit_enabled = true; exit_key = key;}
+	EVENT_HANDLER(void, disableExitCapture) {exit_enabled = false;}
+	EVENT_HANDLER(void, setActive) {setActive(true);}
+	EVENT_HANDLER1(void, setActive, bool, yes);
+	
+	EVENT2(keyPressed, char, key, void * , data)
+	
+//! \handlers
+//! \{
+	
+	//! \fn void enableExitCapture(char key = 'Q')
+	//! \brief Enable exit key "key" awaiting
+	
+	//! \fn void disableExitCapture()
+	//! \brief Disable exit key awaiting
+	
+	//! \fn void setActive(bool yes = true)
+	//! \brief Set keyboard listening is active or not
+	
+//! \}
+//! \events
+//! \{
+	
+	//! \fn void keyPressed(char key, void * data)
+	//! \brief Raise on key "key" pressed, "data" is custom data
+	
+//! \}
+	
+	static bool exiting;
+	
+private:
+	void begin();
+	void run();
+	void end();
+	
+	KBFunc ret_func;
+	char exit_key;
+	bool exit_enabled, is_active;
+	void * data_;
+#ifdef WINDOWS
+	DWORD ret, rc;
+	void * hIn;
+	DWORD smode, tmode;
+#else
+	int rc;
+	int ret;
+	struct termios sterm, tterm;
+#endif
+
+};
+
+#endif // PIKBDLISTENER_H