On Mon, Jul 23, 2012 at 8:03 PM, Nathan <[email protected]> wrote:
> On Mon, Jul 23, 2012 at 10:53 AM, anatoly techtonik <[email protected]>
> wrote:
>> On Mon, Jul 23, 2012 at 7:27 PM, Nathan <[email protected]> wrote:
>>> On Mon, Jul 23, 2012 at 4:46 AM, anatoly techtonik <[email protected]>
>>> wrote:
>>>> Hi,
>>>>
>>>> What is the correct way to initiate window redraw?
>>>
>>> If I understand correctly (correct me if I'm wrong, people), every
>>> Window's on_draw() function is called once each time the event "idle"
>>> loop runs.
>>
>> I've started with Hello World, and on Linux this means its window is
>> redrawn only once on startup and then each time a key is pressed.
>
> That doesn't sound right. Can you post the entire hello world source
> code you have?
---[ fps.py ]---
import pyglet
window = pyglet.window.Window()
counter = 0
@window.event
def on_draw():
global counter
counter += 1
window.clear()
label = pyglet.text.Label('Count: %s' % counter,
font_name='Times New Roman',
font_size=36,
x=window.width//2, y=window.height//2,
anchor_x='center', anchor_y='center')
label.draw()
pyglet.app.run()
---[ /fps.py ]---
>>> 2) Override the default idle policy of the event loop by subclassing
>>> it if you don't want it called exactly once per window per event loop.
>>> See [a].
>>>
>>> [a]
>>> http://www.pyglet.org/doc/programming_guide/customising_the_event_loop.html#id108
>>
>> Sounds complicated. It will be enough for me to send some event at the
>> end of on_draw to kick the loop again. I don't know how to do this
>> properly. Sending keyboard events doesn't sound right.
>
> Right. Lets get the basic hello world working for you.
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