Merge lp:~sinzui/impressive/lirc-0 into lp:impressive

[Curtis Hovey]

This branch add infrared remote support using LIRC. LIRC is optional, if the pylirc is installed, used can page though the presenatation and end it using their remote.

Unmerged revisions

33. By Curtis Hovey on 2010-07-01

Added lirc support.

=== modified file 'src/event.py'
--- src/event.py	2010-01-10 11:30:16 +0000
+++ src/event.py	2010-07-04 02:10:41 +0000
@@ -28,6 +28,30 @@
     WantStatus = True
     DrawCurrentPage()
 
+# A psuedo event for LIRC.
+class RemoteEvent:
+    configs = {
+        'Escape': K_ESCAPE,
+        'Right': K_RIGHT,
+        'Left': K_LEFT,
+        }
+
+    def __init__(self, config):
+        self.type = KEYDOWN
+        self.unicode = ''
+        self.key = self.configs[config]
+
+# Poll for remote IR events and feed them to HandleEvent
+def PollLircEvent():
+    if not EnableLirc:
+        return
+    remote = pylirc.nextcode(1)
+    if remote:
+        for press in remote:
+            remote_event = RemoteEvent(press['config'])
+            if remote_event.key:
+                HandleEvent(remote_event)
+
 # main event handling function
 def HandleEvent(event):
     global HaveMark, ZoomMode, Marking, Tracing, Panning, SpotRadius, FileStats
 
=== modified file 'src/init.py'
--- src/init.py	2010-02-03 15:00:39 +0000
+++ src/init.py	2010-07-04 02:10:41 +0000
@@ -103,3 +103,9 @@
         def release(self): self.state = False
         def locked(self): return self.state
     def create_lock(): return pseudolock()
+
+try:
+    import pylirc
+    EnableLirc = True
+except ImportError:
+    EnableLirc = False
 
=== modified file 'src/main.py'
--- src/main.py	2010-02-25 18:55:44 +0000
+++ src/main.py	2010-07-04 02:10:41 +0000
@@ -23,6 +23,10 @@
     if not(FileName) and (len(FileList) == 1):
         FileName = FileList[0]
 
+    # Register impressive as a Linux IR client.
+    if EnableLirc:
+        pylirc.init("impressive")
+
     # initialize PyGame
     pygame.init()
 
@@ -338,6 +342,7 @@
         DrawCurrentPage()
     UpdateCaption(Pcurrent)
     while True:
+        PollLircEvent()
         HandleEvent(pygame.event.wait())
 
 
@@ -376,6 +381,8 @@
                 os.remove(tmp)
             except OSError:
                 pass
+        if EnableLirc:
+            pylirc.exit()
         pygame.quit()
 
     # release all locks