github/atom
1
1
Fork 0
mirror of https://github.com/atom/atom.git synced 2026-02-04 11:45:16 -05:00
Code Issues Packages Projects Releases Wiki Activity

Adjust font size using Control key with Mouse Scroll Wheel.

Browse Source
This commit is contained in:
Russell Lescai
2014-10-07 10:18:12 +10:30
parent 0b2599565e
commit 33e2829697
1 changed files with 23 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
src/text-editor-component.coffee
View File

@@ -587,22 +587,31 @@ TextEditorComponent = React.createClass
onMouseWheel: (event) ->
{editor} = @props
# Only scroll in one direction at a time
{wheelDeltaX, wheelDeltaY} = event
if Math.abs(wheelDeltaX) > Math.abs(wheelDeltaY)
# Scrolling horizontally
previousScrollLeft = editor.getScrollLeft()
editor.setScrollLeft(previousScrollLeft - Math.round(wheelDeltaX * @scrollSensitivity))
event.preventDefault() unless previousScrollLeft is editor.getScrollLeft()
if event.ctrlKey and (process.platform isnt 'darwin')
# Ctrl+MouseWheel adjusts font size.
currentFontSize = atom.config.get("editor.fontSize")
if wheelDeltaY > 0
amount = 1
else if wheelDeltaY < 0
amount = -1
atom.config.set("editor.fontSize", currentFontSize + amount)
event.preventDefault()
else
# Scrolling vertically
@mouseWheelScreenRow = @screenRowForNode(event.target)
@clearMouseWheelScreenRowAfterDelay ?= debounce(@clearMouseWheelScreenRow, @mouseWheelScreenRowClearDelay)
@clearMouseWheelScreenRowAfterDelay()
previousScrollTop = editor.getScrollTop()
editor.setScrollTop(previousScrollTop - Math.round(wheelDeltaY * @scrollSensitivity))
event.preventDefault() unless previousScrollTop is editor.getScrollTop()
if Math.abs(wheelDeltaX) > Math.abs(wheelDeltaY)
# Scrolling horizontally
previousScrollLeft = editor.getScrollLeft()
editor.setScrollLeft(previousScrollLeft - Math.round(wheelDeltaX * @scrollSensitivity))
event.preventDefault() unless previousScrollLeft is editor.getScrollLeft()
else
# Scrolling vertically
@mouseWheelScreenRow = @screenRowForNode(event.target)
@clearMouseWheelScreenRowAfterDelay ?= debounce(@clearMouseWheelScreenRow, @mouseWheelScreenRowClearDelay)
@clearMouseWheelScreenRowAfterDelay()
previousScrollTop = editor.getScrollTop()
editor.setScrollTop(previousScrollTop - Math.round(wheelDeltaY * @scrollSensitivity))
event.preventDefault() unless previousScrollTop is editor.getScrollTop()
onScrollViewScroll: ->
if @isMounted()