add zoom with wheel

Author: abnerlee

_posts/how-to/2019-07-26-Zoom.md

@@ -12,6 +12,8 @@ typora-copy-images-to: "../../media/zoom"
 last_modified_at: 2022-03-01
 ---
 
+## Zoom from Menu Bar
+
 Zoom function is now enable on all supported platforms. You could zoom in / out the view from `view` menu or press the corresponding shortcut keys (which are displayed in right side go menu item).
 
 <div style="text-align:center;">
@@ -21,6 +23,16 @@ Zoom function is now enable on all supported platforms. You could zoom in / out
 
 When view is zoomed, the zoom hint panel will show on the right top of current window, and you can adjust or reset zoom factor there. 
 
+## Pinch to Zoom
+
 On Later macOS version, you could use two finger gesture in touchpad to zoom in / out the whole view, just like other touch devices. To disable this, please uncheck `Allow Magnification` under `view` menu.
 
  <p style="text-align:center"><video src="/media/zoom/magnification.mov" style="width:540px;" autoplay="autoplay" mute="mute" loop="loop"></video></p>
+
+## Zoom with Mouse Wheel
+
+Also, when following option is added, you can zoom Typora with mouse wheel when `command` or `ctrl` key is pressed.
+
+<img src="/media/new-1.8/Screenshot 2023-12-13 at 19.19.13.png" alt="Screenshot 2023-12-13 at 19.19.13" style="zoom:50%;" />
+
+You can enable this when you are in class or making presentation, to quickly zoom in / out with mouse wheel and command / ctrl keys.