diff options
Diffstat (limited to 'lisp/tooltip.el')
| -rw-r--r-- | lisp/tooltip.el | 54 |
1 files changed, 41 insertions, 13 deletions
diff --git a/lisp/tooltip.el b/lisp/tooltip.el index d1628842307..3e9c16a445a 100644 --- a/lisp/tooltip.el +++ b/lisp/tooltip.el @@ -58,9 +58,11 @@ echo area, instead of making a pop-up window." (if (and tooltip-mode (fboundp 'x-show-tip)) (progn (add-hook 'pre-command-hook 'tooltip-hide) - (add-hook 'tooltip-functions 'tooltip-help-tips)) + (add-hook 'tooltip-functions 'tooltip-help-tips) + (add-hook 'x-pre-popup-menu-hook 'tooltip-hide)) (unless (and (boundp 'gud-tooltip-mode) gud-tooltip-mode) - (remove-hook 'pre-command-hook 'tooltip-hide)) + (remove-hook 'pre-command-hook 'tooltip-hide) + (remove-hook 'x-pre-popup-menu-hook 'tooltip-hide)) (remove-hook 'tooltip-functions 'tooltip-help-tips)) (setq show-help-function (if tooltip-mode 'tooltip-show-help 'tooltip-show-help-non-mode))) @@ -228,25 +230,42 @@ change the existing association. Value is the resulting alist." (declare-function x-show-tip "xfns.c" (string &optional frame parms timeout dx dy)) -(defun tooltip-show (text &optional use-echo-area) +(defun tooltip-show (text &optional use-echo-area text-face default-face) "Show a tooltip window displaying TEXT. Text larger than `x-max-tooltip-size' is clipped. -If the alist in `tooltip-frame-parameters' includes `left' and `top' -parameters, they determine the x and y position where the tooltip -is displayed. Otherwise, the tooltip pops at offsets specified by -`tooltip-x-offset' and `tooltip-y-offset' from the current mouse -position. +If the alist in `tooltip-frame-parameters' includes `left' and +`top' parameters, they determine the x and y position where the +tooltip is displayed. Otherwise, the tooltip pops at offsets +specified by `tooltip-x-offset' and `tooltip-y-offset' from the +current mouse position. + +The text properties of TEXT are also modified to add the +appropriate faces before displaying the tooltip. If your code +depends on them, you should copy the tooltip string before +passing it to this function. Optional second arg USE-ECHO-AREA non-nil means to show tooltip -in echo area." +in echo area. + +The third and fourth args TEXT-FACE and DEFAULT-FACE specify +faces used to display the tooltip, and default to `tooltip' if +not specified. TEXT-FACE specifies a face used to display text +in the tooltip, while DEFAULT-FACE specifies a face that provides +the background, foreground and border colors of the tooltip +frame. + +Note that the last two arguments are not respected when +`use-system-tooltips' is non-nil and Emacs is built with support +for system tooltips, such as on NS, Haiku, and with the GTK +toolkit." (if use-echo-area (tooltip-show-help-non-mode text) (condition-case error (let ((params (copy-sequence tooltip-frame-parameters)) - (fg (face-attribute 'tooltip :foreground)) - (bg (face-attribute 'tooltip :background))) + (fg (face-attribute (or default-face 'tooltip) :foreground)) + (bg (face-attribute (or default-face 'tooltip) :background))) (when (stringp fg) (setf (alist-get 'foreground-color params) fg) (setf (alist-get 'border-color params) fg)) @@ -256,7 +275,8 @@ in echo area." ;; faces used in our TEXT. Among other things, this allows ;; tooltips to use the `help-key-binding' face used in ;; `substitute-command-keys' substitutions. - (add-face-text-property 0 (length text) 'tooltip t text) + (add-face-text-property 0 (length text) + (or text-face 'tooltip) t text) (x-show-tip text (selected-frame) params @@ -339,6 +359,8 @@ This is used by `tooltip-show-help' and (defvar tooltip-previous-message nil "The previous content of the echo area.") +(defvar haiku-use-system-tooltips) + (defun tooltip-show-help-non-mode (help) "Function installed as `show-help-function' when Tooltip mode is off. It is also called if Tooltip mode is on, for text-only displays." @@ -368,10 +390,16 @@ It is also called if Tooltip mode is on, for text-only displays." ((equal-including-properties tooltip-help-message (current-message)) (message nil))))) +(declare-function menu-or-popup-active-p "xmenu.c" ()) + (defun tooltip-show-help (msg) "Function installed as `show-help-function'. MSG is either a help string to display, or nil to cancel the display." - (if (display-graphic-p) + (if (and (display-graphic-p) + ;; Tooltips can't be displayed on top of the global menu + ;; bar on NS. + (or (not (eq window-system 'ns)) + (not (menu-or-popup-active-p)))) (let ((previous-help tooltip-help-message)) (setq tooltip-help-message msg) (cond ((null msg) |