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(Multiple Displays): Add note about "multi-monitor" setups.

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(Display Feature Testing): Note that display refers to all
physical monitors for multi-monitor setups.
This commit is contained in:
Chong Yidong 2007-04-15 19:41:27 +00:00
parent addf7a4773
commit 23bb1fdfda
1 changed files with 15 additions and 0 deletions
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lispref/frames.texi
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@ -150,6 +150,13 @@ screens belonging to one server, Emacs knows by the similarity in their
names that they share a single keyboard, and it treats them as a single
terminal.
Note that some graphical terminals can output to more than a one
monitor (or other output device) at the same time. On these
``multi-monitor'' setups, a single @var{display} value controls the
output to all the physical monitors. In this situation, there is
currently no platform-independent way for Emacs to distinguish between
the different physical monitors.
@deffn Command make-frame-on-display display &optional parameters
This creates and returns a new frame on display @var{display}, taking
the other frame parameters from @var{parameters}. Aside from the
@ -2089,11 +2096,19 @@ This function returns the number of screens associated with the display.
@defun display-pixel-height &optional display
This function returns the height of the screen in pixels.
On a character terminal, it gives the height in characters.
For graphical terminals, note that on ``multi-monitor'' setups this
refers to the pixel width for all physical monitors associated with
@var{display}. @xref{Multiple Displays}.
@end defun
@defun display-pixel-width &optional display
This function returns the width of the screen in pixels.
On a character terminal, it gives the width in characters.
For graphical terminals, note that on ``multi-monitor'' setups this
refers to the pixel width for all physical monitors associated with
@var{display}. @xref{Multiple Displays}.
@end defun
@defun display-mm-height &optional display