diff options
Diffstat (limited to 'doc/emacs/frames.texi')
| -rw-r--r-- | doc/emacs/frames.texi | 65 |
1 files changed, 49 insertions, 16 deletions
diff --git a/doc/emacs/frames.texi b/doc/emacs/frames.texi index 2ff000e5576..b5b9dbd7daa 100644 --- a/doc/emacs/frames.texi +++ b/doc/emacs/frames.texi @@ -911,10 +911,11 @@ those are drawn by the toolkit and not directly by Emacs. @section Scroll Bars @cindex Scroll Bar mode @cindex mode, Scroll Bar +@cindex Vertical Scroll Bar - On graphical displays, there is a @dfn{scroll bar} on the side of -each Emacs window. Clicking @kbd{Mouse-1} on the scroll bar's up and -down buttons scrolls the window by one line at a time. Clicking + On graphical displays, there is a @dfn{vertical scroll bar} on the +side of each Emacs window. Clicking @kbd{Mouse-1} on the scroll bar's +up and down buttons scrolls the window by one line at a time. Clicking @kbd{Mouse-1} above or below the scroll bar's inner box scrolls the window by nearly the entire height of the window, like @kbd{M-v} and @kbd{C-v} respectively (@pxref{Moving Point}). Dragging the inner box @@ -928,23 +929,23 @@ in the scroll bar lets you drag the inner box up and down. @findex scroll-bar-mode @findex toggle-scroll-bar - To toggle the use of scroll bars, type @kbd{M-x scroll-bar-mode}. -This command applies to all frames, including frames yet to be -created. To toggle scroll bars for just the selected frame, use the -command @kbd{M-x toggle-scroll-bar}. + To toggle the use of vertical scroll bars, type @kbd{M-x +scroll-bar-mode}. This command applies to all frames, including frames +yet to be created. To toggle vertical scroll bars for just the selected +frame, use the command @kbd{M-x toggle-scroll-bar}. @vindex scroll-bar-mode - To control the use of scroll bars at startup, customize the variable -@code{scroll-bar-mode}. Its value should be either @code{right} (put -scroll bars on the right side of windows), @code{left} (put them on -the left), or @code{nil} (disable scroll bars). By default, Emacs -puts scroll bars on the right if it was compiled with GTK+ support on -the X Window System, and on MS-Windows or Mac OS; Emacs puts scroll -bars on the left if compiled on the X Window System without GTK+ -support (following the old convention for X applications). + To control the use of vertical scroll bars at startup, customize the +variable @code{scroll-bar-mode}. Its value should be either +@code{right} (put scroll bars on the right side of windows), @code{left} +(put them on the left), or @code{nil} (disable vertical scroll bars). +By default, Emacs puts scroll bars on the right if it was compiled with +GTK+ support on the X Window System, and on MS-Windows or Mac OS; Emacs +puts scroll bars on the left if compiled on the X Window System without +GTK+ support (following the old convention for X applications). @vindex scroll-bar-width -@cindex width of the scroll bar +@cindex width of the vertical scroll bar You can also use the X resource @samp{verticalScrollBars} to enable or disable the scroll bars (@pxref{Resources}). To control the scroll bar width, change the @code{scroll-bar-width} frame parameter @@ -965,6 +966,38 @@ when the entire buffer is visible. The visual appearance of the scroll bars is controlled by the @code{scroll-bar} face. +@cindex Horizontal Scroll Bar +@cindex Horizontal Scroll Bar mode + On graphical displays with toolkit support, Emacs may also supply a +@dfn{horizontal scroll bar} on the bottom of each window. Clicking +@kbd{Mouse-1} on the that scroll bar's left and right buttons scrolls +the window horizontally by one column at a time. Clicking @kbd{Mouse-1} +on the left or right of the scroll bar's inner box scrolls the window by +four columns. Dragging the inner box scrolls the window continuously. + + Note that such horizontal scrolling can make the window's position of +point disappear on the left or the right. Typing a character to insert +text or moving point with a keyboard command will usually bring it back +into view. + +@findex horizontal-scroll-bar-mode + To toggle the use of horizontal scroll bars, type @kbd{M-x +horizontal-scroll-bar-mode}. This command applies to all frames, +including frames yet to be created. To toggle horizontal scroll bars +for just the selected frame, use the command @kbd{M-x +toggle-horizontal-scroll-bar}. + +@vindex horizontal-scroll-bar-mode + To control the use of horizontal scroll bars at startup, customize the +variable @code{horizontal-scroll-bar-mode}. + +@vindex scroll-bar-height +@cindex height of the horizontal scroll bar + You can also use the X resource @samp{horizontalScrollBars} to enable +or disable horizontal scroll bars (@pxref{Resources}). To control the +scroll bar height, change the @code{scroll-bar-height} frame parameter +(@pxref{Frame Parameters,,, elisp, The Emacs Lisp Reference Manual}). + @node Drag and Drop @section Drag and Drop @cindex drag and drop |