4 files changed, 109 insertions, 0 deletions
diff --git a/superkaramba/examples/setIncomingData/1.py b/superkaramba/examples/setIncomingData/1.py
new file mode 100644
index 0000000..8422de2
--- /dev/null
+++ b/superkaramba/examples/setIncomingData/1.py
@@ -0,0 +1,27 @@
+import karamba
+
+sequence_num = 0
+
+def initWidget(widget):
+    karamba.openTheme('2.theme')
+
+# pass over a sequence number as well - the reason is to
+# make it possible to identify the clicks uniquely.
+# 
+# unfortunately, the recipient has to do "polling"
+# by calling getIncomingData - see 2.py for more info
+
+def widgetClicked(widget, x, y, button):
+
+    # do as you wish, but this is a good way:
+    # compact your stuff with repr() it can cope
+    # with pretty much any basic types - dictionaries, lists -
+    # and then use eval() at the other end.
+
+    global sequence_num
+    sequence_num += 1
+
+    vars = (sequence_num, x, y, button)
+    message = repr(vars)
+    karamba.setIncomingData(widget, "2", message)
+
diff --git a/superkaramba/examples/setIncomingData/1.theme b/superkaramba/examples/setIncomingData/1.theme
new file mode 100644
index 0000000..2e4bfcf
--- /dev/null
+++ b/superkaramba/examples/setIncomingData/1.theme
@@ -0,0 +1,2 @@
+KARAMBA x=200 y=50 w=100 h=20 INTERVAL=1000 LOCKED=true
+TEXT x=0 Y=0 w=300 h=20 value="Click me!"
diff --git a/superkaramba/examples/setIncomingData/2.py b/superkaramba/examples/setIncomingData/2.py
new file mode 100644
index 0000000..a411b60
--- /dev/null
+++ b/superkaramba/examples/setIncomingData/2.py
@@ -0,0 +1,78 @@
+# 
+# Written by Luke Kenneth Casson Leighton <lkcl@lkcl.net>
+
+# This theme is demonstrates how to 
+
+#this import statement allows access to the karamba functions
+import karamba
+
+drop_txt = None
+
+#this is called when you widget is initialized
+def initWidget(widget):
+
+    # this resets the text to "" so we know we've never
+    # received anything yet from the other theme
+    name = karamba.getPrettyThemeName(widget)
+    print "2.py name: ", name
+    karamba.setIncomingData(widget, name, "")
+
+    karamba.redrawWidget(widget)
+
+# this is a pain.  in order to avoid memory-related threading problems,
+# and also locking, with the communication between themes, the
+# communication is done asynchronously.  so you have to POLL for the
+# information, by reading getIncomingData().
+# 
+# therefore, you must set an interval=time_in_ms in your receiving .theme
+# file (see 2.theme) and then call getIncomingData() in here.
+#
+# it's not ideal - but it works.
+#
+# NOTE: the data received - by getIncomingData - is NOT, i repeat NOT
+# deleted when you call getIncomingData.
+# so, obviously, you need to take care to not activate repeatedly.
+# you could do this in several ways.  one of them is to send, in
+# the calling theme (the one that calls setIncomingData) a sequential
+# number as part of the message.  
+#
+# alternatively, you could reset the text to "" (see above) 
+ 
+
+expected_seq = 0
+
+def widgetUpdated(widget):
+
+    global expected_seq # i hate globals.  please write better code than this example.
+
+    # get the "message"...
+    disp = karamba.getIncomingData(widget)
+    if disp == "":
+        return
+
+    # decode it...
+    (seq, x, y, button) = eval(disp)
+
+    # if it's been seen before, skip it...
+    if seq <= expected_seq:
+        pass
+
+    expected_seq += 1
+
+    message = "seq:%d x:%d y:%d btn:%d" % (seq, x, y, button)
+    # delete previous text if exists.
+    global drop_txt
+    if drop_txt is not None:
+        karamba.deleteText(widget, drop_txt)
+
+    # display it...
+    drop_txt = karamba.createText(widget, 0, 20, 300, 20, message)
+    karamba.changeTextColor(widget, drop_txt, 252,252,252)
+
+    karamba.redrawWidget(widget)
+
+    pass
+
+# This will be printed when the widget loads.
+print "Loaded my python 2.py extension!"
+
diff --git a/superkaramba/examples/setIncomingData/2.theme b/superkaramba/examples/setIncomingData/2.theme
new file mode 100644
index 0000000..df7d7b2
--- /dev/null
+++ b/superkaramba/examples/setIncomingData/2.theme
@@ -0,0 +1,2 @@
+KARAMBA x=200 y=100 w=300 h=40 INTERVAL=200 LOCKED=true
+TEXT x=0 y=0 w=300 h=20 value="you clicked on theme 1:"