Emacs font sizing with Ctrl key and mouse scroll

Question

notepad++ allow me to increase the font size when I hold the Ctrl Key and rotate the mouse middle scroll button to forward.

In the same way, the when I ho

Answer 1

Zoom Frame is what you want. I do exactly what you describe all the time. After loading zoom-frm.el, add some bindings such as these:

    (global-set-key [S-mouse-1]   'zoom-in)
    (global-set-key [C-S-mouse-1] 'zoom-out)
    (global-set-key (vector (list 'control mouse-wheel-down-event)) 'zoom-in)
    (global-set-key (vector (list 'control mouse-wheel-up-event))   'zoom-out)

See also: http://www.emacswiki.org/emacs/SetFonts#ChangingFontSize