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I am trying to setup my init files, and want a special set of dimensions for my main Emacs window. If I place my window wherever I want it, is there a way of querying Emacs as to the main window dimensions? I.e., is there a way of querying the value of the top, left, width, and height values of the main window as it is currently placed?

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    In Emacs, we use the word "frame" to mean the whole kitten kaboodle; whereas, "window" is within the "frame" and there can be many "windows". Please edit your question (title and body) accordingly. In addition, please specify your operating system -- other solutions may exist, e.g., an applescript on OSX to get frame coordinates, etc.
    – lawlist
    Commented Jan 23, 2015 at 15:30
  • How about this google search for "emacs window dimensions"? Among the first hits are manual pages for window sizes and frame size and position.
    – Dan
    Commented Jan 23, 2015 at 15:42
  • @Dan -- I don't believe any of those functions return frame coordinates on the OS desktop in pixels.
    – lawlist
    Commented Jan 23, 2015 at 15:51

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There's (window-width) and (window-pixel-width) (and the equivalent height functions) for getting the width in characters and pixels respectively.

There's also (window-pixel-top) and (window-pixel-left).

I'm not really sure if these are what you're looking for.

I used helm-apropos to find these functions. There's also a built-in command to search functions: M-x apropos RET window left RET.

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  • Thanks! I didn't know about apropos.
    – NVaughan
    Commented Jan 23, 2015 at 22:37

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