moved DelayedCmd from Screen.cc to FbTk/Timer.cc, added it to the keys file

3 files changed, 58 insertions, 4 deletions

diff --git a/src/FbTk/StringUtil.hh b/src/FbTk/StringUtil.hh
index bca48bc..416db0d 100644
--- a/src/FbTk/StringUtil.hh
+++ b/src/FbTk/StringUtil.hh
@@ -26,6 +26,8 @@
 
 #include <string>
 
+#include "stringstream.hh"
+
 namespace FbTk {
 
 namespace StringUtil {
@@ -67,6 +69,12 @@ std::string::size_type removeTrailingWhitespace(std::string &str);
 /// splits input at first non-leading whitespace and returns both parts
 void getFirstWord(const std::string &in, std::string &first, std::string &rest);
 
+template <typename T>
+void fromString(const char *in, T &out) {
+    FbTk_istringstream iss(in);
+    iss >> out;
+}
+
 template <typename Container>
 static void stringTokensBetween(Container &container, const std::string &in,
         std::string &rest, char first, char last,
diff --git a/src/FbTk/Timer.cc b/src/FbTk/Timer.cc
index 9492ac6..ff568dc 100644
--- a/src/FbTk/Timer.cc
+++ b/src/FbTk/Timer.cc
@@ -24,7 +24,8 @@
 
 #include "Timer.hh"
 
-#include "Command.hh"
+#include "ObjectRegistry.hh"
+#include "StringUtil.hh"
 
 //use GNU extensions
 #ifndef _GNU_SOURCE
@@ -246,6 +247,41 @@ void Timer::addTimer(Timer *timer) {
 
 }
 
+Command *DelayedCmd::parse(const std::string &command,
+                           const std::string &args, bool trusted) {
+
+    std::string cmd_str;
+    int err = StringUtil::getStringBetween(cmd_str, args.c_str(), '{', '}');
+    if (err == 0)
+        return 0;
+
+    RefCount<Command> cmd(ObjectRegistry<Command>::instance().parse(cmd_str, trusted));
+    if (*cmd == 0)
+        return 0;
+
+    int delay = 200000;
+    StringUtil::fromString<int>(args.c_str() + err, delay);
+
+    return new DelayedCmd(cmd, delay);
+}
+
+REGISTER_OBJECT_PARSER(delay, DelayedCmd::parse, Command);
+
+DelayedCmd::DelayedCmd(RefCount<Command> &cmd, unsigned int timeout) {
+    timeval to; // defaults to 200ms
+    to.tv_sec = timeout/1000000;
+    to.tv_usec = timeout % 1000000;
+    m_timer.setTimeout(to);
+    m_timer.setCommand(cmd);
+    m_timer.fireOnce(true);
+}
+
+void DelayedCmd::execute() {
+    if (m_timer.isTiming())
+        m_timer.stop();
+    m_timer.start();
+}
+
 void Timer::removeTimer(Timer *timer) {
     assert(timer);
     m_timerlist.remove(timer);
diff --git a/src/FbTk/Timer.hh b/src/FbTk/Timer.hh
index bd55435..4b5be95 100644
--- a/src/FbTk/Timer.hh
+++ b/src/FbTk/Timer.hh
@@ -26,6 +26,7 @@
 #define  FBTK_TIMER_HH
 
 #include "RefCount.hh"
+#include "Command.hh"
 
 #ifdef HAVE_CTIME
   #include <ctime>
@@ -33,6 +34,7 @@
   #include <time.h>
 #endif
 #include <list>
+#include <string>
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -49,8 +51,6 @@
 
 namespace FbTk {
 
-class Command;
-
 /**
         Handles Timeout
 */
@@ -107,7 +107,17 @@ private:
     timeval m_timeout; ///< time length
 };
 
+/// executes a command after a specified timeout
+class DelayedCmd: public Command {
+public:
+    DelayedCmd(RefCount<Command> &cmd, unsigned int timeout = 200000);
+    void execute();
+    static Command *parse(const std::string &command,
+                          const std::string &args, bool trusted);
+private:
+    Timer m_timer;
+};
+
 } // end namespace FbTk
 
 #endif // FBTK_TIMER_HH
-