It would be good for the custom theme implementation to be fixed/completed, so custom themes can completely replace color themes. They have different limitations from custom themes, however. And they work fine with all Emacs versions, including the latest. (Oh, and FWIW, color themes, which were presumably the inspiration for Emacs custom themes, do not have this problem. Disabling a theme is, in effect, only relative to other themes, not to an uncustomized state or (especially) to other, non-theme customizations. You can disable all themes that were ever enabled in the session, but that will not return your session to its state before the themes were enabled. Throughout this guide we use the Solarized light theme, but here is how the status buffer looks when using some other popular themes: Solarized dark. C-g) and return to the previous state, before theming. Particularly if you want to do this non-interactively, e.g., in the code for a command that lets users try themes out but also lets them cancel (e.g. I'll just point out that there is, so far, an inherent problem with Emacs custom themes, in terms of trying to " undo" them and get back to a previous, possibly customized but not custom-themed state. ( if (and (not (or (equal f ".") (equal f ".Others have mentioned ways to try to work around the problem. If you have lots of themes which you want to group inside a themes folder such as ~/.emacs.d/themes, the following snippet allows you to conveniently add all its subfolders to the theme load path: ( let ((basedir "~/.emacs.d/themes/")) If you want to put your themes in custom subdirectories in order not to pollute the ~/.emacs.d folder, you can add them to the list with: (add-to-list 'custom-theme-load-path "/path/to/themes") el files have to reside in a directory contained in the ‘custom-theme-load-path’ variable, which defaults to ~/.emacs.d. Some relevant old message threads - and Installation It addresses things, such as color schemes (faces), that were not covered by custom themes. The color themes library was developed separately. They were ported to GnuEmacs and made part of the distribution sometime before 2005. Switching among them can be problematic.Ĭustom themes were first implemented in XEmacs sometime before 2002 - the idea was to extend the Customization library to handle themes. Custom themes have some performance problems.That is, you can swap one custom theme for another, but any non-theme state before applying a custom theme is lost. You can only disable custom themes, not undo to a non-theme state. You cannot undo the application of custom themes, to return to the state before applying a theme. You can take a snapshot of the current settings (independent of how they were set, whether via color themes or not) as something that can function as a (pseudo) color theme, which you can return to. You can easily undo color themes, even returning to the state Emacs was in before you applied any themes.Custom themes record some additional information ( variables), besides color-schemes ( faces etc).Custom themes have a Customize interface (starting with Emacs 24) color themes do not.Though they are newer, they do not replace color themes –- each approach has its advantages. You can replace it with whatever you deem is appropriate. Python documentation Here Languages is the category it will show up in when you go to the top level of your Info tree. Custom themes was introduced in GnuEmacs 23.Ĭustom themes are similar to color themes. In Emacs, you can click mouse button 2 on a menu item or cross reference to select it.
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