There is a conflict between window-state-put and image-mode and maybe other modes. The function image-mode-reapply-winprops gets called as soon as window-state-put displays the image buffer in some window via window-configuration-change-hook and applies the image's previously stored scroll-values. But window-state-put is not done yet and it has it's own understanding of how the window should be scrolled, thereby overriding images-mode's scrolling. I guess ideally window-state-put should be atomic in the sense that it delays these kinds of hooks until the window is completely restored. Below is a recipe and I attached a workaround. -ap -- Let's start with emacs -Q and find some image file: C-x C-f foo.png RET Maybe enlarge the image, such that it can be scrolled. Move the image (C-n), such that vscroll is greater 0. (window-vscroll) => 37 Save the window state, (setq wst (window-state-get)) and switch to the *scratch* buffer. (current-buffer) => #<buffer *scratch*> Now restore the previously saved window state (window-state-put wst) ,which should bring back the image buffer. But notice, how vscroll seems to be 0, i.e. display starts at the top of image. Finally evaluate any expression in the mini-buffer M-: t RET which triggers image-mode-reapply-winprops scrolling the image as expected.
window-state-put-workaround.el
Description: application/emacs-lisp
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