(unless (memq vert '(left right nil))
(setq vert default-frame-scroll-bars))
(cons vert hor)))
+
+(defun frame-monitor-attributes (&optional frame)
+ "Return the attributes of the physical monitor dominating FRAME.
+If FRAME is omitted, describe the currently selected frame.
+
+A frame is dominated by a physical monitor when either the
+largest area of the frame resides in the monitor, or the monitor
+is the closest to the frame if the frame does not intersect any
+physical monitors.
+
+See `display-monitor-attributes-list' for the list of attribute
+keys and their meanings."
+ (or frame (setq frame (selected-frame)))
+ (cl-loop for attributes in (display-monitor-attributes-list frame)
+ for frames = (cdr (assq 'frames attributes))
+ if (memq frame frames) return attributes))
+
\f
;;;; Frame/display capabilities.
(defun selected-terminal ()
(defun display-pixel-height (&optional display)
"Return the height of DISPLAY's screen in pixels.
-For character terminals, each character counts as a single pixel."
+For character terminals, each character counts as a single pixel.
+For graphical terminals, note that on \"multi-monitor\" setups this
+refers to the pixel height for all physical monitors associated
+with DISPLAY. To get information for each physical monitor, use
+`display-monitor-attributes-list'."
(let ((frame-type (framep-on-display display)))
(cond
((memq frame-type '(x w32 ns))
(defun display-pixel-width (&optional display)
"Return the width of DISPLAY's screen in pixels.
-For character terminals, each character counts as a single pixel."
+For character terminals, each character counts as a single pixel.
+For graphical terminals, note that on \"multi-monitor\" setups this
+refers to the pixel width for all physical monitors associated
+with DISPLAY. To get information for each physical monitor, use
+`display-monitor-attributes-list'."
(let ((frame-type (framep-on-display display)))
(cond
((memq frame-type '(x w32 ns))
(defun display-mm-height (&optional display)
"Return the height of DISPLAY's screen in millimeters.
System values can be overridden by `display-mm-dimensions-alist'.
-If the information is unavailable, value is nil."
+If the information is unavailable, value is nil.
+For graphical terminals, note that on \"multi-monitor\" setups this
+refers to the height in millimeters for all physical monitors
+associated with DISPLAY. To get information for each physical
+monitor, use `display-monitor-attributes-list'."
(and (memq (framep-on-display display) '(x w32 ns))
(or (cddr (assoc (or display (frame-parameter nil 'display))
display-mm-dimensions-alist))
(defun display-mm-width (&optional display)
"Return the width of DISPLAY's screen in millimeters.
System values can be overridden by `display-mm-dimensions-alist'.
-If the information is unavailable, value is nil."
+If the information is unavailable, value is nil.
+For graphical terminals, note that on \"multi-monitor\" setups this
+refers to the width in millimeters for all physical monitors
+associated with DISPLAY. To get information for each physical
+monitor, use `display-monitor-attributes-list'."
(and (memq (framep-on-display display) '(x w32 ns))
(or (cadr (assoc (or display (frame-parameter nil 'display))
display-mm-dimensions-alist))
(t
'static-gray))))
+(declare-function x-display-monitor-attributes-list "xfns.c"
+ (&optional terminal))
+(declare-function w32-display-monitor-attributes-list "w32fns.c"
+ (&optional display))
+(declare-function ns-display-monitor-attributes-list "nsfns.m"
+ (&optional terminal))
+
+(defun display-monitor-attributes-list (&optional display)
+ "Return a list of physical monitor attributes on DISPLAY.
+Each element of the list represents the attributes of each
+physical monitor. The first element corresponds to the primary
+monitor.
+
+Attributes for a physical monitor is represented as an alist of
+attribute keys and values as follows:
+
+ geometry -- Position and size in pixels in the form of
+ (X Y WIDTH HEIGHT)
+ workarea -- Position and size of the workarea in pixels in the
+ form of (X Y WIDTH HEIGHT)
+ mm-size -- Width and height in millimeters in the form of
+ (WIDTH HEIGHT)
+ frames -- List of frames dominated by the physical monitor
+ name (*) -- Name of the physical monitor as a string
+
+where X, Y, WIDTH, and HEIGHT are integers. Keys labeled
+with (*) are optional.
+
+A frame is dominated by a physical monitor when either the
+largest area of the frame resides in the monitor, or the monitor
+is the closest to the frame if the frame does not intersect any
+physical monitors. Every non-tip frame (including invisible one)
+in a graphical display is dominated by exactly one physical
+monitor at a time, though it can span multiple (or no) physical
+monitors."
+ (let ((frame-type (framep-on-display display)))
+ (cond
+ ((eq frame-type 'x)
+ (x-display-monitor-attributes-list display))
+ ((eq frame-type 'w32)
+ (w32-display-monitor-attributes-list display))
+ ((eq frame-type 'ns)
+ (ns-display-monitor-attributes-list display))
+ (t
+ (let ((geometry (list 0 0 (display-pixel-width display)
+ (display-pixel-height display))))
+ `(((geometry . ,geometry)
+ (workarea . ,geometry)
+ (mm-size . (,(display-mm-width display)
+ ,(display-mm-height display)))
+ (frames . ,(frames-on-display-list display)))))))))
+
\f
;;;; Frame geometry values
:type 'number
:group 'cursor)
+(defcustom blink-cursor-blinks 10
+ "How many times to blink before using a solid cursor on NS and X.
+Use 0 or negative value to blink forever."
+ :version "24.4"
+ :type 'integer
+ :group 'cursor)
+
+(defvar blink-cursor-blinks-done 1
+ "Number of blinks done since we started blinking on NS and X")
+
(defvar blink-cursor-idle-timer nil
"Timer started after `blink-cursor-delay' seconds of Emacs idle time.
The function `blink-cursor-start' is called when the timer fires.")
(when (null blink-cursor-timer)
;; Set up the timer first, so that if this signals an error,
;; blink-cursor-end is not added to pre-command-hook.
+ (setq blink-cursor-blinks-done 1)
(setq blink-cursor-timer
(run-with-timer blink-cursor-interval blink-cursor-interval
'blink-cursor-timer-function))
(defun blink-cursor-timer-function ()
"Timer function of timer `blink-cursor-timer'."
- (internal-show-cursor nil (not (internal-show-cursor-p))))
+ (internal-show-cursor nil (not (internal-show-cursor-p)))
+ ;; Each blink is two calls to this function.
+ (when (memq window-system '(x ns))
+ (setq blink-cursor-blinks-done (1+ blink-cursor-blinks-done))
+ (when (and (> blink-cursor-blinks 0)
+ (<= (* 2 blink-cursor-blinks) blink-cursor-blinks-done))
+ (blink-cursor-suspend)
+ (add-hook 'post-command-hook 'blink-cursor-check))))
+
(defun blink-cursor-end ()
"Stop cursor blinking.
(cancel-timer blink-cursor-timer)
(setq blink-cursor-timer nil)))
+(defun blink-cursor-suspend ()
+ "Suspend cursor blinking on NS and X.
+This is called when no frame has focus and timers can be suspended.
+Timers are restarted by `blink-cursor-check', which is called when a
+frame receives focus."
+ (when (memq window-system '(x ns))
+ (blink-cursor-end)
+ (when blink-cursor-idle-timer
+ (cancel-timer blink-cursor-idle-timer)
+ (setq blink-cursor-idle-timer nil))))
+
+(defun blink-cursor-check ()
+ "Check if cursot blinking shall be restarted.
+This is done when a frame gets focus. Blink timers may be stopped by
+`blink-cursor-suspend'."
+ (when (and blink-cursor-mode
+ (not blink-cursor-idle-timer))
+ (remove-hook 'post-command-hook 'blink-cursor-check)
+ (setq blink-cursor-idle-timer
+ (run-with-idle-timer blink-cursor-delay
+ blink-cursor-delay
+ 'blink-cursor-start))))
+
(define-obsolete-variable-alias 'blink-cursor 'blink-cursor-mode "22.1")
(define-minor-mode blink-cursor-mode
HCoop / bpt / emacs.git / blobdiff