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Various window code related fixes and documentation changes.

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* dispnew.c (change_frame_size_1): Add new_lines instead of
new_height, the latter may be still zero if passed as such.
* window.c (Fwindow_pixel_height): Mention bottom divider in
doc-string.
* window.el (window-min-height, window-min-width): Rewrite
doc-strings.
(window-body-size): Add PIXELWISE argument to make it consistent
with its callees.
* display.texi (Window Dividers): New section.
* frames.texi (Layout Parameters): Add right-divider-width and
bottom-divider-width.
* windows.texi (Window Sizes): Redraw schematic and rewrite its
description.  Rewrite descriptions of `window-total-height',
`window-total-width', `window-total-size', `window-body-height',
`window-body-width' and `window-size-fixed'.  Add descriptions
for `window-pixel-height', `window-pixel-width',
`window-min-height' and `window-min-width'.  Remove description
of `window-size-fixed-p' moving part of it to that of
`window-size-fixed'.
(Resizing Windows): Mention dividers when talking about minimum
sizes.
This commit is contained in:
Martin Rudalics 2014-03-05 14:50:48 +01:00
parent 6bf67038d9
commit e1a2cb1ce5
9 changed files with 299 additions and 163 deletions
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16
doc/lispref/ChangeLog
View file

@ -1,3 +1,19 @@
2014-03-05 Martin Rudalics <rudalics@gmx.at>
* display.texi (Window Dividers): New section.
* frames.texi (Layout Parameters): Add right-divider-width and
bottom-divider-width.
* windows.texi (Window Sizes): Redraw schematic and rewrite its
description. Rewrite descriptions of `window-total-height',
`window-total-width', `window-total-size', `window-body-height',
`window-body-width' and `window-size-fixed'. Add descriptions
for `window-pixel-height', `window-pixel-width',
`window-min-height' and `window-min-width'. Remove description
of `window-size-fixed-p' moving part of it to that of
`window-size-fixed'.
(Resizing Windows): Mention dividers when talking about minimum
sizes.
2014-03-05 Glenn Morris <rgm@gnu.org>
* modes.texi (SMIE Customization): New section.

48
doc/lispref/display.texi
View file

@ -24,6 +24,7 @@ that Emacs presents to the user.
font, colors, etc.
* Fringes:: Controlling window fringes.
* Scroll Bars:: Controlling vertical scroll bars.
* Window Dividers:: Separating windows visually.
* Display Property:: Enabling special display features.
* Images:: Displaying images in Emacs buffers.
* Buttons:: Adding clickable buttons to Emacs buffers.
@ -3896,6 +3897,53 @@ buffer's scroll bars, measured in pixels. A value of @code{nil} means
to use the value specified by the frame.
@end defvar
@node Window Dividers
@section Window Dividers
@cindex window dividers
@cindex right dividers
@cindex bottom dividers
Window dividers are bars drawn between a frame's windows. A ``right''
divider is drawn between a window and its sibling(s) on the right. Its
width is specified by the frame parameter @code{right-divider-width}. A
``bottom'' divider is drawn between a window and its sibling(s) on the
bottom or the echo area. Its width is specified by the frame parameter
@code{bottom-divider-width}. In either case, specifying a width of zero
means to not draw such dividers. @xref{Layout Parameters}.
Technically, a right divider ``belongs'' to the window on its left,
which means that its width is part of the total width of that window. A
bottom divider ``belongs'' to the window above it, which means that its
height is part of the total height of that window. @xref{Window Sizes}.
When a window has both, a right and a bottom divider, the bottom divider
``prevails''. This means that the width of the bottom divider equals
the total width of the window while the height of the right divider
equals the total height of the window minus the height of the bottom
divider.
Dividers can be dragged with the mouse and are therefore useful for
adjusting the sizes of adjacent windows with the mouse. They also serve
to set windows visually apart from their siblings when no scroll bars or
mode lines are present. The following three faces allow to customize
the appearance of dividers:
@table @code
@item window-divider
When a divider is less than three pixels wide, it is drawn solidly with
the foreground of this face. For larger dividers this face is used for
the inner part only, exluding the first and last pixel.
@item window-divider-first-pixel
This is the face used for drawing the first pixel of a divider that is
at least three pixels wide. To obtain a solid appearance, set this to
the same value used for the @code{window-divider} face.
@item window-divider-last-pixel
This is the face used for drawing the last pixel of a divider that is at
least three pixels wide. To obtain a solid appearance, set this to the
same value used for the @code{window-divider} face.
@end table
@node Display Property
@section The @code{display} Property
@cindex display specification

12
doc/lispref/frames.texi
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@ -745,6 +745,18 @@ right fringe. However, you can force one fringe or the other to a
precise width by specifying that width as a negative integer. If both
widths are negative, only the left fringe gets the specified width.
@vindex right-divider-width, a frame parameter
@item right-divider-width
The width of the right divider (@pxref{Window Dividers}) of any window
on the frame, in pixels. A value of zero means to not draw right
dividers.
@vindex bottom-divider-width, a frame parameter
@item bottom-divider-width
The width of the bottom divider (@pxref{Window Dividers}) of any window
on the frame, in pixels. A value of zero means to not draw bottom
dividers.
@vindex menu-bar-lines frame parameter
@item menu-bar-lines
The number of lines to allocate at the top of the frame for a menu

333
doc/lispref/windows.texi
View file

@ -382,6 +382,7 @@ internal window). The @var{edges} element is a list @code{(@var{left}
@code{window-edges} (@pxref{Coordinates and Windows}).
@end defun
@node Window Sizes
@section Window Sizes
@cindex window size
@ -391,18 +392,18 @@ internal window). The @var{edges} element is a list @code{(@var{left}
@smallexample
@group
_________________________________________
^ |______________ Header Line_______________|
| |LS|LF|LM| |RM|RF|RS| ^
| | | | | | | | | |
Window | | | | Text Area | | | | Window
Total | | | | (Window Body) | | | | Body
Height | | | | | | | | Height
| | | | |<- Window Body Width ->| | | | |
| |__|__|__|_______________________|__|__|__| v
v |_______________ Mode Line _______________|
<----------- Window Total Width -------->
____________________________________________
|______________ Header Line ______________|RD| ^
^ |LS|LF|LM| |RM|RF|RS| | |
| | | | | | | | | | |
Window | | | | Text Area | | | | | Window
Body | | | | | (Window Body) | | | | | Total
Height | | | | | | | | | Height
| | | | |<- Window Body Width ->| | | | | |
v |__|__|__|_______________________|__|__|__| | |
|_______________ Mode Line _______________|__| |
|_____________ Bottom Divider _______________| v
<---------- Window Total Width ------------>
@end group
@end smallexample
@ -411,104 +412,136 @@ internal window). The @var{edges} element is a list @code{(@var{left}
@cindex text area of a window
@cindex body of a window
At the center of the window is the @dfn{text area}, or @dfn{body},
where the buffer text is displayed. On each side of the text area is
a series of vertical areas; from innermost to outermost, these are the
left and right margins, denoted by LM and RM in the schematic
(@pxref{Display Margins}); the left and right fringes, denoted by LF
and RF (@pxref{Fringes}); and the left or right scroll bar, only one of
which is present at any time, denoted by LS and RS (@pxref{Scroll
Bars}). At the top of the window is an optional header line
(@pxref{Header Lines}), and at the bottom of the window is the mode
line (@pxref{Mode Line Format}).
where the buffer text is displayed. The text area can be surrounded by
a series of optional areas. On the left and right, from innermost to
outermost, these are the left and right margins, denoted by LM and RM in
the schematic (@pxref{Display Margins}); the left and right fringes,
denoted by LF and RF (@pxref{Fringes}); the left or right scroll bar,
only one of which is present at any time, denoted by LS and RS
(@pxref{Scroll Bars}); and the right divider, denoted by RD
(@pxref{Window Dividers}). At the top of the window is the header line
(@pxref{Header Lines}); at the bottom of the window is the mode line
(@pxref{Mode Line Format}) followed by the bottom divider (@pxref{Window
Dividers}).
Emacs provides several functions for finding the height and width of
a window. Except where noted, Emacs reports window heights and widths
as integer numbers of lines and columns, respectively. On a graphical
display, each ``line'' and ``column'' actually corresponds to the
height and width of a ``default'' character specified by the frame's
default font. Thus, if a window is displaying text with a different
font or size, the reported height and width for that window may differ
from the actual number of text lines or columns displayed within it.
@defun window-size &optional window horizontal pixelwise round
This function returns the height or width of @var{window}.
@var{window} must be a valid window. The default value of
@var{window} is the selected window.
If @var{horizontal} is omitted or nil, return the total height of
@var{window}, in lines; otherwise return the total width in columns.
The optional argument @var{pixelwise} means return size of
@var{window}, in pixels.
The optional argument @var{round} is ignored if @var{pixelwise} is
non-@code{nil}. Otherwise it is handled as for
@code{window-total-height} and @code{window-total-width}.
@end defun
Emacs provides miscellaneous functions for finding the height and
width of a window. The return value of many of these functions can be
specified either in units of pixels or in units of lines and columns.
On a graphical display, the latter actually correspond to the height and
width of a ``default'' character specified by the frame's default font
as returned by @code{frame-char-height} and @code{frame-char-width}
(@pxref{Size and Position}). Thus, if a window is displaying text with
a different font or size, the reported line height and column width for
that window may differ from the actual number of text lines or columns
displayed within it.
@cindex window height
@cindex height of a window
@cindex total height of a window
@cindex window width
@cindex width of a window
@cindex total width of a window
The @dfn{total height} of a window is the distance between the top
and bottom of the window, including the header line (if one exists)
and the mode line. The @dfn{total width} of a window is the distance
between the left and right edges of the mode line. Note that the
height of a frame is not the same as the height of its windows, since
a frame may also contain an echo area, menu bar, and tool bar
(@pxref{Size and Position}).
The @dfn{total height} of a window is the number of lines comprising
the window's body, the header line, the mode line and the bottom divider
(if any). Note that the height of a frame is not the same as the height
of its root window (@pxref{Windows and Frames}), since a frame may also
contain an echo area, a menu bar, and a tool bar (@pxref{Size and
Position}).
@defun window-total-height &optional window round
This function returns the total height, in lines, of the window
@var{window}. If @var{window} is omitted or @code{nil}, it defaults
to the selected window. If @var{window} is an internal window, the
return value is the total height occupied by its descendant windows.
@var{window}. If @var{window} is omitted or @code{nil}, it defaults to
the selected window. If @var{window} is an internal window, the return
value is the total height occupied by its descendant windows.
If @var{window}'s pixel height is not an integral multiple of its
frame's character height, the number of lines occupied by @var{window}
is rounded internally. This is done in a way such that, if
@var{window} is a parent window, the sum of the total heights of all
its children internally equals the total height of @var{window}.
If a window's pixel height is not an integral multiple of its frame's
default character height, the number of lines occupied by the window is
rounded internally. This is done in a way such that, if the window is a
parent window, the sum of the total heights of all its child windows
internally equals the total height of their parent. This means that
although two windows have the same pixel height, their internal total
heights may differ by one line. This means also, that if this window is
vertically combined and has a right sibling, the topmost row of that
sibling can be calculated as the sum of this window's topmost row and
total height (@pxref{Coordinates and Windows})
If the optional argument @var{round} is @code{ceiling}, this function
will return the smallest integer larger than @var{window}'s pixel
height divided by the character height of @var{window}'s frame; if it
is @code{floor}, return the largest integer smaller than
@var{window}'s pixel height divided by the character height of
@var{window}'s frame. Any other value of @var{round} means to return
the internal total height of @var{window}.
If the optional argument @var{round} equals @code{ceiling}, this
function returns the smallest integer larger than @var{window}'s pixel
height divided by the character height of @var{window}'s frame; if it is
@code{floor}, it returns the largest integer smaller than @var{window}'s
pixel height divided by the character height of @var{window}'s frame.
Any other value of @var{round} means to return the internal value of the
total height of @var{window}.
@end defun
@cindex window width
@cindex width of a window
@cindex total width of a window
The @dfn{total width} of a window is the number of lines comprising the
window's body, its margins, fringes, scroll bars and a right divider (if
any).
@defun window-total-width &optional window round
This function returns the total width, in columns, of the window
@var{window}. If @var{window} is omitted or @code{nil}, it defaults
to the selected window. If @var{window} is internal, the return value
is the total width occupied by its descendant windows.
@var{window}. If @var{window} is omitted or @code{nil}, it defaults to
the selected window. If @var{window} is internal, the return value is
the total width occupied by its descendant windows.
If @var{window}'s pixel width is not an integral multiple of its
frame's character width, the number of lines occupied by @var{window}
is rounded internally. This is done in a way such that, if
@var{window} is a parent window, the sum of the total widths of all
its children internally equals the total width of @var{window}.
If a window's pixel width is not an integral multiple of its frame's
character width, the number of lines occupied by the window is rounded
internally. This is done in a way such that, if the window is a parent
window, the sum of the total widths of all its children internally
equals the total width of their parent. This means that although two
windows have the same pixel width, their internal total widths may
differ by one column. This means also, that if this window is
horizontally combined and has a right sibling, the leftmost column of
that sibling can be calculated as the sum of this window's leftmost
column and total width (@pxref{Coordinates and Windows}).
If the optional argument @var{round} is @code{ceiling}, this function
will return the smallest integer larger than @var{window}'s pixel
width divided by the character width of @var{window}'s frame; if it is
@code{floor}, return the largest integer smaller than @var{window}'s
pixel width divided by the character width of @var{window}'s frame.
Any other value of @var{round} means to return the internal total
width of @var{window}.
will return the smallest integer larger than @var{window}'s pixel width
divided by the character width of @var{window}'s frame; if it is
@code{floor}, it returns the largest integer smaller than @var{window}'s
pixel width divided by the character width of @var{window}'s frame. Any
other value of @var{round} means to return the internal total width of
@var{window}.
@end defun
@defun window-total-size &optional window horizontal round
This function returns either the total height or width of the window
@var{window}. If @var{horizontal} is omitted or @code{nil}, this is
equivalent to calling @code{window-total-height} for @var{window};
otherwise it is equivalent to calling @code{window-total-width} for
@var{window}. The optional argument @code{ROUND} is handled as for
@code{window-total-height} and @code{window-total-width}.
This function returns either the total height in lines or the total
width in columns of the window @var{window}. If @var{horizontal} is
omitted or @code{nil}, this is equivalent to calling
@code{window-total-height} for @var{window}; otherwise it is equivalent
to calling @code{window-total-width} for @var{window}. The optional
argument @code{ROUND} is handled as for @code{window-total-height} and
@code{window-total-width}.
@end defun
The following two functions can be used to return the total size of a
window in units of pixels.
@cindex window pixel height
@cindex pixel height of a window
@cindex total pixel height of a window
@defun window-pixel-height &optional window
This function returns the total height of window @var{window} in pixels.
@var{window} must be a valid window and defaults to the selected one.
The return value includes mode and header line and a bottom divider, if
any. If @var{window} is an internal window, its pixel height is the
pixel height of the screen areas spanned by its children.
@end defun
@cindex window pixel height
@cindex pixel height of a window
@cindex total pixel height of a window
@defun window-pixel-width &optional Lisp_Object &optional window
This function returns the width of window @var{window} in pixels.
@var{window} must be a valid window and defaults to the selected one.
The return value includes the fringes and margins of @var{window} as
well as any vertical dividers or scroll bars belonging to @var{window}.
If @var{window} is an internal window, its pixel width is the width of
the screen areas spanned by its children.
@end defun
@cindex full-width window
@ -533,40 +566,51 @@ that of the root window on that frame. If @var{window} is omitted or
@cindex window body height
@cindex body height of a window
@cindex window body width
The @dfn{body height} of a window is the height of its text area, which
does not include a mode or header line or a bottom divider.
@defun window-body-height &optional window pixelwise
This function returns the height, in lines, of the body of window
@var{window}. If @var{window} is omitted or @code{nil}, it defaults to
the selected window; otherwise it must be a live window.
If the optional argument @var{pixelwise} is non-@code{nil}, this
function returns the body height of @var{window} counted in pixels.
If @var{pixelwise} is @code{nil}, the return value is rounded down to
the nearest integer, if necessary. This means that if a line at the
bottom of the text area is only partially visible, that line is not
counted. It also means that the height of a window's body can never
exceed its total height as returned by @code{window-total-height}.
@end defun
@cindex body width of a window
@cindex body size of a window
@cindex window body size
The @dfn{body height} of a window is the height of its text area,
which does not include the mode or header line. Similarly, the
@dfn{body width} is the width of the text area, which does not include
the scroll bar, fringes, or margins.
@defun window-body-height &optional window pixelwise
This function returns the body height, in lines, of the window
@var{window}. If @var{window} is omitted or @code{nil}, it defaults
to the selected window; otherwise it must be a live window.
If there is a partially-visible line at the bottom of the text area,
that counts as a whole line; to exclude such a partially-visible line,
use @code{window-text-height}, below.
@end defun
The @dfn{body width} of a window is the width of its text area, which
does not include the scroll bar, fringes, margins or a right divider.
@defun window-body-width &optional window pixelwise
This function returns the body width, in columns, of the window
@var{window}. If @var{window} is omitted or @code{nil}, it defaults
to the selected window; otherwise it must be a live window.
This function returns the width, in columns, of the body of window
@var{window}. If @var{window} is omitted or @code{nil}, it defaults to
the selected window; otherwise it must be a live window.
If the optional argument @var{pixelwise} is non-@code{nil}, this
function returns the body width of @var{window} in units of pixels.
If @var{pixelwise} is @code{nil}, the return value is rounded down to
the nearest integer, if necessary. This means that if a column on the
right of the text area is only partially visible, that column is not
counted. It also means that the width of a window's body can never
exceed its total width as returned by @code{window-total-width}.
@end defun
@defun window-body-size &optional window horizontal
This function returns the body height or body width of @var{window}.
If @var{horizontal} is omitted or @code{nil}, it is equivalent to
calling @code{window-body-height} for @var{window}; otherwise it is
equivalent to calling @code{window-body-width}.
@end defun
@defun window-text-height &optional window
This function is like @code{window-body-height}, except that any
partially-visible line at the bottom of the text area is not counted.
@defun window-body-size &optional window horizontal pixelwise
This function returns the body height or body width of @var{window}. If
@var{horizontal} is omitted or @code{nil}, it is equivalent to calling
@code{window-body-height} for @var{window}; otherwise it is equivalent
to calling @code{window-body-width}. In either case, the optional
argument @var{pixelwise} is passed to the function called.
@end defun
For compatibility with previous versions of Emacs,
@ -579,11 +623,22 @@ aliases are considered obsolete and will be removed in the future.
@vindex window-min-width
Commands that change the size of windows (@pxref{Resizing Windows}),
or split them (@pxref{Splitting Windows}), obey the variables
@code{window-min-height} and @code{window-min-width}, which specify
the smallest allowable window height and width. @xref{Change
Window,,Deleting and Rearranging Windows, emacs, The GNU Emacs
Manual}. They also obey the variable @code{window-size-fixed}, with
which a window can be @dfn{fixed} in size:
@code{window-min-height} and @code{window-min-width}, which specify the
smallest allowable window height and width. They also obey the variable
@code{window-size-fixed}, with which a window can be @dfn{fixed} in
size:
@defopt window-min-height
This option specifies the minimum total height, in lines, of any window.
Its value has to accommodate at least one text line as well as a mode
and header line and a bottom divider, if present.
@end defopt
@defopt window-min-width
This option specifies the minimum total width, in columns, of any
window. Its value has to accommodate two text columns as well as
margins, fringes, a scroll bar and a right divider, if present.
@end defopt
@defvar window-size-fixed
If this buffer-local variable is non-@code{nil}, the size of any
@ -594,26 +649,13 @@ there is no choice.
If the value is @code{height}, then only the window's height is fixed;
if the value is @code{width}, then only the window's width is fixed.
Any other non-@code{nil} value fixes both the width and the height.
If this variable is @code{nil}, this does not necessarily mean that any
window showing the buffer can be resized in the desired direction. To
determine that, use the function @code{window-resizable}.
@xref{Resizing Windows}.
@end defvar
@defun window-size-fixed-p &optional window horizontal
This function returns a non-@code{nil} value if @var{window}'s height
is fixed. If @var{window} is omitted or @code{nil}, it defaults to
the selected window. If the optional argument @var{horizontal} is
non-@code{nil}, the return value is non-@code{nil} if @var{window}'s
width is fixed.
A @code{nil} return value does not necessarily mean that @var{window}
can be resized in the desired direction. To determine that, use the
function @code{window-resizable}. @xref{Resizing Windows}.
@end defun
@xref{Coordinates and Windows}, for more functions that report the
positions of various parts of a window relative to the frame, from
which you can calculate its size. In particular, you can use the
functions @code{window-pixel-edges} and
@code{window-inside-pixel-edges} to find the size in pixels, for
graphical displays.
@node Resizing Windows
@section Resizing Windows
@ -653,11 +695,12 @@ Normally, the variables @code{window-min-height} and
@xref{Change Window,, Deleting and Rearranging Windows, emacs, The GNU
Emacs Manual}. However, if the optional argument @var{ignore} is
non-@code{nil}, this function ignores @code{window-min-height} and
@code{window-min-width}, as well as @code{window-size-fixed}.
Instead, it considers the minimum-height window to be one consisting
of a header (if any), a mode line, plus a text area one line tall; and
a minimum-width window as one consisting of fringes, margins, and
scroll bar (if any), plus a text area two columns wide.
@code{window-min-width}, as well as @code{window-size-fixed}. Instead,
it considers the minimum-height window to be one consisting of a header,
a mode line and a bottom divider (if any), plus a text area one line
tall; and a minimum-width window as one consisting of fringes, margins,
a scroll bar and a right divider (if any), plus a text area two columns
wide.
If the optional argument @code{pixelwise} is non-@code{nil},
@var{delta} will be interpreted as pixels.

7
lisp/ChangeLog
View file

@ -1,3 +1,10 @@
2014-03-05 Martin Rudalics <rudalics@gmx.at>
* window.el (window-min-height, window-min-width): Rewrite
doc-strings.
(window-body-size): Add PIXELWISE argument to make it consistent
with its callees.
2014-03-05 Juanma Barranquero <lekktu@gmail.com>
* finder.el (finder-mode-map, finder-mode-syntax-table):

28
lisp/window.el
View file

@ -319,10 +319,11 @@ Anything less might crash Emacs.")
(frame-char-size (window-normalize-window window))))
(defcustom window-min-height 4
"The minimum number of lines of any window.
The value has to accommodate a mode- or header-line if present.
A value less than `window-safe-min-height' is ignored. The value
of this variable is honored when windows are resized or split.
"The minimum total height, in lines, of any window.
The value has to accommodate one text line, a mode and header
line, and a bottom divider, if present. A value less than
`window-safe-min-height' is ignored. The value of this variable
is honored when windows are resized or split.
Applications should never rebind this variable. To resize a
window to a height less than the one specified here, an
@ -349,11 +350,11 @@ Anything less might crash Emacs.")
(frame-char-size (window-normalize-window window) t)))
(defcustom window-min-width 10
"The minimum number of columns of any window.
The value has to accommodate margins, fringes, or scrollbars if
present. A value less than `window-safe-min-width' is ignored.
The value of this variable is honored when windows are resized or
split.
"The minimum total width, in columns, of any window.
The value has to accommodate two text columns as well as margins,
fringes, a scroll bar and a right divider, if present. A value
less than `window-safe-min-width' is ignored. The value of this
variable is honored when windows are resized or split.
Applications should never rebind this variable. To resize a
window to a width less than the one specified here, an
@ -1671,16 +1672,17 @@ WINDOW must be a valid window and defaults to the selected one."
(= (window-pixel-width window)
(window-pixel-width (frame-root-window window))))
(defun window-body-size (&optional window horizontal)
(defun window-body-size (&optional window horizontal pixelwise)
"Return the height or width of WINDOW's text area.
WINDOW must be a live window and defaults to the selected one.
If HORIZONTAL is omitted or nil, return the height of the text
area, like `window-body-height'. Otherwise, return the width of
the text area, like `window-body-width'."
the text area, like `window-body-width'. In either case, the
optional argument PIXELWISE is passed to the functions."
(if horizontal
(window-body-width window)
(window-body-height window)))
(window-body-width window pixelwise)
(window-body-height window pixelwise)))
(defun window-current-scroll-bars (&optional window)
"Return the current scroll bar settings for WINDOW.

10
src/ChangeLog
View file

@ -1,6 +1,14 @@
2014-03-05 Martin Rudalics <rudalics@gmx.at>
* dispnew.c (change_frame_size_1): Add new_lines instead of
new_height, the latter may be still zero if passed as such.
* window.c (Fwindow_pixel_height): Mention bottom divider in
doc-string.
2014-03-05 Paul Eggert <eggert@cs.ucla.edu>
Fix "resource temporarily unavailable" with xgselect (Bug#16925).
Fix "resource temporarily unavailable" with xgselect
(Bug#16925).
* xgselect.c: Include <stdbool.h>.
(xg_select) [!USE_GTK]: Don't lose track of errno.

2
src/dispnew.c
View file

@ -5539,7 +5539,7 @@ change_frame_size_1 (struct frame *f, int new_width, int new_height,
/* MSDOS frames cannot PRETEND, as they change frame size by
manipulating video hardware. */
if ((FRAME_TERMCAP_P (f) && !pretend) || FRAME_MSDOS_P (f))
FrameRows (FRAME_TTY (f)) = new_height;
FrameRows (FRAME_TTY (f)) = new_lines;
}
if (new_text_width != FRAME_TEXT_WIDTH (f)

6
src/window.c
View file

@ -699,9 +699,9 @@ DEFUN ("window-pixel-height", Fwindow_pixel_height, Swindow_pixel_height, 0, 1,
doc: /* Return the height of window WINDOW in pixels.
WINDOW must be a valid window and defaults to the selected one.
The return value includes the mode line and header line, if any. If
WINDOW is an internal window, its pixel height is the height of the
screen areas spanned by its children. */)
The return value includes the mode line and header line and the bottom
divider, if any. If WINDOW is an internal window, its pixel height is
the height of the screen areas spanned by its children. */)
(Lisp_Object window)
{
return make_number (decode_valid_window (window)->pixel_height);