From 35b6e146cb6a0b313d6297f0d91654aa21f58c1b Mon Sep 17 00:00:00 2001
From: Florent Le Coz <louiz@louiz.org>
Date: Sat, 9 Apr 2011 22:18:36 +0200
Subject: Basic timed event implementation.

---
 src/core.py         | 22 +++++++++++++++++-----
 src/keyboard.py     | 13 ++++++++-----
 src/timed_events.py | 44 ++++++++++++++++++++++++++++++++++++++++++--
 3 files changed, 67 insertions(+), 12 deletions(-)

diff --git a/src/core.py b/src/core.py
index bf7283fe..8629ecc8 100644
--- a/src/core.py
+++ b/src/core.py
@@ -43,9 +43,10 @@ import tabs
 import xhtml
 import windows
 import connection
+import timed_events
 
 from data_forms import DataFormsTab
-from config import config
+from config import config, options
 from logger import logger
 from user import User
 from room import Room
@@ -619,9 +620,6 @@ class Core(object):
                 tab.resize()
             self.refresh_window()
 
-    def check_timed_events(self):
-        pass
-
     def read_keyboard(self):
         """
         Get the next keyboard key pressed and returns it.
@@ -631,6 +629,7 @@ class Core(object):
         """
         res = read_char(self.stdscr)
         while res is None:
+            log.debug('checking events')
             self.check_timed_events()
             res = read_char(self.stdscr)
         return res
@@ -705,7 +704,8 @@ class Core(object):
         curses.curs_set(1)
         curses.noecho()
         curses.nonl()
-        curses.raw()
+        if not options.debug:
+            curses.raw()
         theme.init_colors()
         stdscr.keypad(True)
         curses.ungetch(" ")    # H4X: without this, the screen is
@@ -1379,6 +1379,18 @@ class Core(object):
                 self.focus_tab_named(roster_row.get_jid().full)
         self.refresh_window()
 
+    def add_timed_event(self, event):
+        self.timed_events.add(event)
+
+    def check_timed_events(self):
+        now = datetime.now()
+        for event in self.timed_events:
+            if event.has_timed_out(now):
+                res = event()
+                if not res:
+                    self.timed_events.remove(event)
+                    break
+
     def execute(self,line):
         """
         Execute the /command or just send the line on the current room
diff --git a/src/keyboard.py b/src/keyboard.py
index 050859a8..cca854fa 100644
--- a/src/keyboard.py
+++ b/src/keyboard.py
@@ -35,7 +35,7 @@ def get_next_byte(s):
     try:
         c = s.getkey()
     except:
-        return (None, "KEY_RESIZE")
+        return (None, None)
     if len(c) >= 4:
         return (None, c)
     return (ord(c), c.encode('latin-1')) # returns a number and a bytes object
@@ -47,9 +47,12 @@ def read_char(s):
     """
     # We use a timer to know if we are pasting from the
     # clipboard or not
-    global last_char_time
-    last_char_time = time.time()
+    # global last_char_time
+    # last_char_time = time.time()
+    s.timeout(1000)
     (first, char) = get_next_byte(s)
+    if first is None:
+        return None
     if not isinstance(first, int): # Keyboard special, like KEY_HOME etc
         return char
     if first == 127 or first == 8:
@@ -57,8 +60,8 @@ def read_char(s):
     if first < 127:  # ASCII char on one byte
         if first <= 26:         # transform Ctrl+* keys
             char = chr(first + 64)
-            if char == 'M' and time.time() - last_char_time < 0.0005:
-                char = 'J'
+            # if char == 'M' and time.time() - last_char_time < 0.0005:
+            #     char = 'J'
             return  "^"+char
         if first == 27:
             second = read_char(s)
diff --git a/src/timed_events.py b/src/timed_events.py
index 6e4da396..7cb92cde 100644
--- a/src/timed_events.py
+++ b/src/timed_events.py
@@ -14,15 +14,55 @@
 # You should have received a copy of the GNU General Public License
 # along with Poezio.  If not, see <http://www.gnu.org/licenses/>.
 
+"""
+To use these, just use core.add_timed_event(event)
+where event is an instance of one of these classes
+"""
+
+import logging
+
+log = logging.getLogger(__name__)
+
+import datetime
 
 class TimedEvent(object):
     """
     An event with a callback that is called when the specified time is passed
     Note that these events can NOT be used for very small delay or a very
     precise date, since the check for events is done once per second, as
-    a maximum
+    a maximum.
     """
-    def __init__(self, callback, *args, **kwargs):
+    def __init__(self, date, callback, *args):
         self._callback = callback
         self.args = args
+        self.repetive = False
+        self.next_call_date = date
+
+    def __call__(self):
+        """
+        the call should return False if this event should be remove from
+        the events list.
+        If it’s true, the date should be updated beforehand to a later date,
+        or else it will be called every second
+        """
+        self._callback(*self.args)
+        return self.repetive
+
+    def has_timed_out(self, current_date):
+        """
+        returns True if the callback should be called
+        """
+        if self.next_call_date < current_date:
+            return True
+        else:
+            return False
+
+class DelayedEvent(TimedEvent):
+    """
+    The date is calculated from now + a delay in seconds
+    Use it if you want an event to happen in, e.g. 6 seconds
+    """
+    def __init__(self, delay, callback, *args):
+        date = datetime.datetime.now() + datetime.timedelta(0, delay)
+        TimedEvent.__init__(self, date, callback, args)
 
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