ReaScript for REAPER-Feuille 1

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MAT 156 Math Instruction

by Ruth Ballard

ReaScript Lua for REAPER 5

Customization

Get User Inputs

tonumber()

GetUserInputs(string title, integer num_inputs, string captions_csv, string retvals_csv)

Show Message Box

User Config Area

item_vol

Polishing

Optimization

PreventUIRefresh(1)

Undo

Undo_EndBlock("Action", -1)

Undo_BeginBlock()

Comments

Header

Conditions

Consider Locked Items

GetMediaItemInfo_Value(MediaItem item, "C_LOCK")

Native action

Main_OnCommand(40289, 0)

Select Items

SetMediaItemSelected(MediaItem item, bool selected)

Loop in Items on Tracks

Item End

Break Loops

GetTrackMediaItem(MediaTrack tr, integer itemidx)

GetTrackNumMediaItems(MediaTrack tr)

Loop in Selected Tracks

GetSelectedTrack(ReaProject proj, integer seltrackidx)

if > 0

CountSelectedTracks(ReaProject proj)

Get Time Selection

if no time selection

GetSet_LoopTimeRange2(ReaProject proj, boolean isSet, boolean isLoop, number startOut, number endOut, boolean allowautoseek)

If then

br_mouse

if count_selected_items >= 1 then

Propagate Vol

Working on Selected Items

Debugging a Loop

Loop in Selected Items

GetSelectedMediaItem(0, i)

CountSelectedMediaItems(ReaProject proj)

Set Item Properties

SetMediaItemInfo_Value(MediaItem item, string parmname, number newvalue)

Get Item Properties

GetMediaItemInfo_Value(MediaItem item, string parmname)

Get First Selected Item

GetSelectedMediaItem(0, 0)

API Documentation

External Code Editor

Online

Auto-Generated

Console

Language Native Function

tostring()

Reading Error Message and Variable Types

Function

Msg()

Clean

reaper.ShowConsoleMsg("")

Break Lines

"\n"

Variable

string = "Hello World"

Hellow World

reaper.ShowConsoleMsg("Hello World")

Native IDE