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; * etc/NEWS: Backport edit made on wrong branch.

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Glenn Morris 2016-01-06 23:22:04 -08:00
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etc/NEWS
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@ -1534,57 +1534,56 @@ For consistency with the usual Emacs spelling, the Lisp variable
`hfy-optimisations' has been renamed to `hfy-optimizations'.
The old name should still work, as an obsolescent alias.
* Changes in Frames and Windows Code in Emacs 25.1
** Changes in Frame- and Window- Handling
+++
** Emacs can now draw horizontal scroll bars on some platforms that
*** Emacs can now draw horizontal scroll bars on some platforms that
provide toolkit scroll bars, namely Gtk+, Lucid, Motif and Windows.
Horizontal scroll bars are turned off by default.
*** New function `horizontal-scroll-bars-available-p' telling whether
**** New function `horizontal-scroll-bars-available-p' telling whether
horizontal scroll bars are available on the underlying system.
*** New mode `horizontal-scroll-bar-mode' to toggle horizontal scroll
**** New mode `horizontal-scroll-bar-mode' to toggle horizontal scroll
bars on all existing and future frames.
*** New function `toggle-horizontal-scroll-bar' to toggle horizontal
**** New function `toggle-horizontal-scroll-bar' to toggle horizontal
scroll bars on the selected frame.
*** New frame parameters `horizontal-scroll-bars' and
**** New frame parameters `horizontal-scroll-bars' and
`scroll-bar-height' to set horizontal scroll bars and their height
for individual frames and in `default-frame-alist'.
*** New functions `frame-scroll-bar-height' and
**** New functions `frame-scroll-bar-height' and
`window-scroll-bar-height' return the height of horizontal scroll
bars on a specific frame or window.
*** `set-window-scroll-bars' now accepts five parameters where the last
**** `set-window-scroll-bars' now accepts five parameters where the last
two specify height and type of the window's horizontal scroll bar.
*** `window-scroll-bars' now returns type and sizes of horizontal scroll
**** `window-scroll-bars' now returns type and sizes of horizontal scroll
bars too.
*** New buffer-local variables `horizontal-scroll-bar' and
**** New buffer-local variables `horizontal-scroll-bar' and
`scroll-bar-height'.
+++
** New functions `frame-geometry' and `frame-edges' give access to a
*** New functions `frame-geometry' and `frame-edges' give access to a
frame's geometry.
+++
** New functions `mouse-absolute-pixel-position' and
*** New functions `mouse-absolute-pixel-position' and
`set-mouse-absolute-pixel-position' get/set screen coordinates of the
mouse cursor.
+++
** The function `window-edges' now accepts three additional arguments to
*** The function `window-edges' now accepts three additional arguments to
retrieve body, absolute and pixel edges of the window.
+++
** The functions `window-inside-edges', `window-inside-pixel-edges' and
*** The functions `window-inside-edges', `window-inside-pixel-edges' and
`window-inside-absolute-pixel-edges' have been renamed to respectively
`window-body-edges', `window-body-pixel-edges' and
`window-absolute-body-pixel-edges'. The old names are kept as aliases.
+++
** New function `window-absolute-pixel-position' to get the screen
*** New function `window-absolute-pixel-position' to get the screen
coordinates of a visible buffer position.
+++
** The height of a frame's menu and tool bar are no longer counted in the
*** The height of a frame's menu and tool bar are no longer counted in the
frame's text height. This means that the text height stands only for
the height of the frame's root window plus that of the echo area (if
present). This was already the behavior for frames with external tool
@ -1592,33 +1591,33 @@ and menu bars (like in the Gtk builds) but has now been extended to all
builds.
+++
** Frames now do not necessarily preserve the number of columns or lines
*** Frames now do not necessarily preserve the number of columns or lines
they display when setting default font, menu bar, fringe width, or
scroll bars. In particular, maximized and fullscreen frames are
conceptually never resized if such settings change. For fullheight and
fullwidth frames, the behavior may depend on the toolkit used.
*** New option `frame-inhibit-implied-resize' if non-nil, means that
**** New option `frame-inhibit-implied-resize' if non-nil, means that
setting default font, menu bar, fringe width, or scroll bars of a
specific frame does not resize that frame in order to preserve the
number of columns or lines it displays.
+++
** New function `window-preserve-size' allows to preserve the size of
*** New function `window-preserve-size' allows to preserve the size of
windows without "fixing" it. It's supported by `fit-window-to-buffer',
`temp-buffer-resize-mode' and `display-buffer'.
+++
** New `display-buffer' action function `display-buffer-use-some-frame'.
*** New `display-buffer' action function `display-buffer-use-some-frame'.
This displays the buffer in an existing frame other than the current
frame, and allows the caller to specify a frame predicate to exclude
frames.
+++
** New minor mode `window-divider-mode' and options
*** New minor mode `window-divider-mode' and options
`window-divider-default-places', `window-divider-default-bottom-width'
and `window-divider-default-right-width'.
** Tearoff menus and detachable toolbars for Gtk+ has been removed.
** Tearoff menus and detachable toolbars for Gtk+ have been removed.
Those features have been deprecated in Gtk+ for a long time.
** Etags