diff options
Diffstat (limited to 'lisp/gnus/gnus-ems.el')
| -rw-r--r-- | lisp/gnus/gnus-ems.el | 123 |
1 files changed, 89 insertions, 34 deletions
diff --git a/lisp/gnus/gnus-ems.el b/lisp/gnus/gnus-ems.el index 60e66adc98b..4400b81f041 100644 --- a/lisp/gnus/gnus-ems.el +++ b/lisp/gnus/gnus-ems.el @@ -172,40 +172,95 @@ (defun gnus-x-splash () "Show a splash screen using a pixmap in the current buffer." - (let ((dir (nnheader-find-etc-directory "gnus")) - pixmap file height beg i) - (save-excursion - (switch-to-buffer (gnus-get-buffer-create gnus-group-buffer)) - (let ((buffer-read-only nil) - width height) - (erase-buffer) - (when (and dir - (file-exists-p (setq file - (expand-file-name "x-splash" dir)))) - (let ((coding-system-for-read 'raw-text) - default-enable-multibyte-characters) - (with-temp-buffer - (insert-file-contents file) - (goto-char (point-min)) - (ignore-errors - (setq pixmap (read (current-buffer))))))) - (when pixmap - (make-face 'gnus-splash) - (setq height (/ (car pixmap) (frame-char-height)) - width (/ (cadr pixmap) (frame-char-width))) - (set-face-foreground 'gnus-splash "Brown") - (set-face-stipple 'gnus-splash pixmap) - (insert-char ?\n (* (/ (window-height) 2 height) height)) - (setq i height) - (while (> i 0) - (insert-char ?\ (* (/ (window-width) 2 width) width)) - (setq beg (point)) - (insert-char ?\ width) - (set-text-properties beg (point) '(face gnus-splash)) - (insert ?\n) - (decf i)) - (goto-char (point-min)) - (sit-for 0)))))) + (interactive) + (unless window-system + (error "`gnus-x-splash' requires running on the window system")) + (switch-to-buffer (gnus-get-buffer-create (if (or (gnus-alive-p) + (interactive-p)) + "*gnus-x-splash*" + gnus-group-buffer))) + (let ((inhibit-read-only nil) + (file (nnheader-find-etc-directory "images/gnus/x-splash" t)) + pixmap fcw fch width height fringes sbars left yoffset top ls) + (erase-buffer) + (when (and file + (ignore-errors + (let ((coding-system-for-read 'raw-text) + default-enable-multibyte-characters) + (with-temp-buffer + (insert-file-contents file) + (goto-char (point-min)) + (setq pixmap (read (current-buffer))))))) + (setq fcw (float (frame-char-width)) + fch (float (frame-char-height)) + width (/ (car pixmap) fcw) + height (/ (cadr pixmap) fch) + fringes (if (fboundp 'window-fringes) + (eval '(window-fringes)) + '(10 11 nil)) + sbars (frame-parameter nil 'vertical-scroll-bars)) + (cond ((eq sbars 'right) + (setq sbars + (cons 0 (/ (or (frame-parameter nil 'scroll-bar-width) 14) + fcw)))) + (sbars + (setq sbars + (cons (/ (or (frame-parameter nil 'scroll-bar-width) 14) + fcw) + 0)))) + (setq left (- (* (round (/ (1- (/ (+ (window-width) + (car sbars) (cdr sbars) + (/ (+ (or (car fringes) 0) + (or (cadr fringes) 0)) + fcw)) + width)) + 2)) + width) + (car sbars) + (/ (or (car fringes) 0) fcw)) + yoffset (cadr (window-edges)) + top (max 0 (- (* (max (if (and tool-bar-mode + (not (featurep 'gtk)) + (eq (frame-first-window) + (selected-window))) + 1 0) + (round (/ (1- (/ (+ (1- (window-height)) + (* 2 yoffset)) + height)) + 2))) + height) + yoffset)) + ls (/ (or line-spacing 0) fch) + height (max 0 (- height ls))) + (cond ((>= (- top ls) 1) + (insert + (propertize + " " + 'display `(space :width 0 :ascent 100)) + "\n" + (propertize + " " + 'display `(space :width 0 :height ,(- top ls 1) :ascent 100)) + "\n")) + ((> (- top ls) 0) + (insert + (propertize + " " + 'display `(space :width 0 :height ,(- top ls) :ascent 100)) + "\n"))) + (if (and (> width 0) (> left 0)) + (insert (propertize + " " + 'display `(space :width ,left :height ,height :ascent 0))) + (setq width (+ width left))) + (when (> width 0) + (insert (propertize + " " + 'display `(space :width ,width :height ,height :ascent 0) + 'face `(gnus-splash :stipple ,pixmap)))) + (goto-char (if (<= (- top ls) 0) (1- (point)) (point-min))) + (redraw-frame (selected-frame)) + (sit-for 0)))) ;;; Image functions. |