How is "Apple + Ctrl + D" implemented?
How is "Apple + Ctrl + D" implemented?
- Subject: How is "Apple + Ctrl + D" implemented?
- From: "Ying Bian" <email@hidden>
- Date: Mon, 28 Apr 2008 13:55:30 +0800
Hi,
I am thinking of developing my own dictionary tool which can detects the
word
under the cursor and automatically (or when a modifier key is pressed) popup
a
translation window.
After researching for a while, I find it more tricky than I estimated.
The accessibility APIs may of help, but for text in a text view, the
returned information
is not enough to reproduce the layout and let me detect the "exact" word
over which the
mouse hovers.
There is a similar functionality in Lepoard (I am not sure if it exists
prior to 10.5):
in any cocoa-based applications, if you press Apple + Ctrl + D, the current
word under
cursor is automatically selected and translated in a popup window. It seems
to me not
implemented with accessibility APIs as it does not require to enable access
for assistive
devices in the Universal Access System Preference panel.
Then, how is this implemented? I want to get some hints from this.
Thanks,
--
B.Y.
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