Difference between revisions of "Event.MOUSE WHEEL"

From GiderosMobile
(added example)
m (added the value of e.wheel = 120)
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__NOTOC__
 
__NOTOC__
<languages/>
+
'''Available since:''' Gideros 2015.04.26<br/>
'''<translate>Available since</translate>:''' Gideros 2015.04.26<br/>
+
'''Value:''' mouseWheel<br/>
'''<translate>Value</translate>:''' mouseWheel<br/>
+
'''Defined by:''' [[Sprite]]<br/>
'''<translate>Defined by</translate>:''' [[Special:MyLanguage/Sprite|Sprite]]<br/>
 
  
=== <translate>Description</translate> ===
+
=== Description ===
 
Event that fires when mouse wheel is used.
 
Event that fires when mouse wheel is used.
 
    
 
    
 
Modifiers can have values of:
 
Modifiers can have values of:
[[Special:MyLanguage/KeyCode.MODIFIER_NONE|KeyCode.MODIFIER_NONE]]  
+
[[KeyCode.MODIFIER_NONE]]  
[[Special:MyLanguage/KeyCode.MODIFIER_SHIFT|KeyCode.MODIFIER_SHIFT]]  
+
[[KeyCode.MODIFIER_SHIFT]]  
[[Special:MyLanguage/KeyCode.MODIFIER_CTRL|KeyCode.MODIFIER_CTRL]]  
+
[[KeyCode.MODIFIER_CTRL]]  
[[Special:MyLanguage/KeyCode.MODIFIER_ALT|KeyCode.MODIFIER_ALT]]  
+
[[KeyCode.MODIFIER_ALT]]  
[[Special:MyLanguage/KeyCode.MODIFIER_META|KeyCode.MODIFIER_META]]
+
[[KeyCode.MODIFIER_META]]
  
=== <translate>Parameters</translate> ===
+
=== Parameters ===
'''x''': (number) <translate>x coordinate of the click</translate><br/>
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'''x''': (number) x coordinate of the click<br/>
'''y''': (number) <translate>y coordinate of the click</translate><br/>
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'''y''': (number) y coordinate of the click<br/>
'''rx''': (number) <translate>unrounded x coordinate of the click</translate><br/>
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'''rx''': (number) unrounded x coordinate of the click<br/>
'''ry''': (number) <translate>unrounded y coordinate of the click</translate><br/>
+
'''ry''': (number) unrounded y coordinate of the click<br/>
'''wheel''': (number) <translate>negative value when scrolled down and positive value when scrolled up</translate><br/>
+
'''wheel''': (number) negative value when scrolled down and positive value when scrolled up '''(default value 120)'''<br/>
'''modifiers''': (number) <translate>Modifiers present</translate><br/>
+
'''modifiers''': (number) Modifiers present<br/>
  
=== <translate>Example</translate> ===
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=== Example ===
 
<source lang="lua">
 
<source lang="lua">
 
local myscale = 0
 
local myscale = 0
 
mybitmap:addEventListener(Event.MOUSE_WHEEL, function(e)
 
mybitmap:addEventListener(Event.MOUSE_WHEEL, function(e)
 +
-- e.wheel = 120
 
myscale = mybitmap:getScale() + e.wheel / 32
 
myscale = mybitmap:getScale() + e.wheel / 32
 
mybitmap:setScale(myscale)
 
mybitmap:setScale(myscale)

Revision as of 03:02, 1 December 2020

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 KeyCode.MODIFIER_SHIFT KeyCode.MODIFIER_CTRL KeyCode.MODIFIER_ALT KeyCode.MODIFIER_META

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)