Difference between revisions of "Event.MOUSE WHEEL"

From GiderosMobile
 
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Modifiers can have values of:
 
Modifiers can have values of:
*[[KeyCode.MODIFIER_NONE]]
+
*'''KeyCode.MODIFIER_NONE''', '''0'''
*[[KeyCode.MODIFIER_SHIFT]]
+
*'''KeyCode.MODIFIER_SHIFT''', '''1'''
*[[KeyCode.MODIFIER_CTRL]]
+
*'''KeyCode.MODIFIER_ALT''', '''2''' (LEFT)
*[[KeyCode.MODIFIER_ALT]]
+
*'''KeyCode.MODIFIER_CTRL''', '''4'''
*[[KeyCode.MODIFIER_META]]
+
*'''KeyCode.MODIFIER_ALT''', '''6''' (RIGHT, Alt Gr)
 +
*'''KeyCode.MODIFIER_META''', '''8'''
  
 
=== Parameters ===
 
=== Parameters ===
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=== Example ===
 
=== Example ===
<source lang="lua">
+
<syntaxhighlight lang="lua">
 
local myscale = 0
 
local myscale = 0
 
mybitmap:addEventListener(Event.MOUSE_WHEEL, function(e)
 
mybitmap:addEventListener(Event.MOUSE_WHEEL, function(e)
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mybitmap:setScale(myscale)
 
mybitmap:setScale(myscale)
 
end)
 
end)
</source>
+
</syntaxhighlight>
  
 
{{Sprite}}
 
{{Sprite}}

Latest revision as of 05:24, 1 August 2025

Available since: Gideros 2015.04.26
Value: mouseWheel
Defined by: Sprite

Description

Event that fires when mouse wheel is used.

Modifiers can have values of:

  • KeyCode.MODIFIER_NONE, 0
  • KeyCode.MODIFIER_SHIFT, 1
  • KeyCode.MODIFIER_ALT, 2 (LEFT)
  • KeyCode.MODIFIER_CTRL, 4
  • KeyCode.MODIFIER_ALT, 6 (RIGHT, Alt Gr)
  • KeyCode.MODIFIER_META, 8

Parameters

x: (number) x coordinate of the click
y: (number) y coordinate of the click
rx: (number) unrounded x coordinate of the click
ry: (number) unrounded y coordinate of the click
wheel: (number) negative value when scrolled down and positive value when scrolled up (default value 120)
modifiers: (number) modifiers present

Example

local myscale = 0
mybitmap:addEventListener(Event.MOUSE_WHEEL, function(e)
	-- e.wheel = 120
	myscale = mybitmap:getScale() + e.wheel / 32
	mybitmap:setScale(myscale)
end)