Release Update region start to playhead position by ID v1.2

v1.2 Update region start to playhead position by ID

Regions/edsondelsantoro_Update region start to playhead position by ID.lua

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+-- @description Update region start to playhead position by ID
+-- @author Edson Del Santoro
+-- @version 1.2
+-- @changelog v1.2 Update region start to playhead position by ID
+-- @about
+--   # Update region start to playhead position by ID
+--
+--   --   # Update region start to playhead position by ID
+--   --   This script updates the start time of a region specified by its ID (as shown in the Region/Marker Manager). 
+--   --   It keeps the region's end time intact and adjusts only the start.
+--
+--   1. Set the playhead to the start position that you want.
+--   2. Execute this script.
+--   3. Enter the Region ID that you want to update Start timming.
+--
+--   That's it.
+
+
+SCRIPT_NAME = "Update region start to playhead position by ID"
+
+reaper.ClearConsole()
+
+function Msg(variable)
+  reaper.ShowConsoleMsg(tostring(variable) .. "\n")
+end
+
+-- Get playhead position
+playhead_position = reaper.GetCursorPosition()
+
+-- Get total number of markers and regions
+retval, num_markers, num_regions = reaper.CountProjectMarkers(0)
+
+if num_regions == 0 then
+  reaper.ShowMessageBox("No regions found in the project.", SCRIPT_NAME, 0)
+  return
+end
+
+-- Ask the user for the ID of the region to update
+retval, user_input = reaper.GetUserInputs(SCRIPT_NAME, 1, "Enter Region ID (as shown in Region/Marker Manager):", "")
+if not retval or user_input == "" then return end
+
+region_id = tonumber(user_input)
+
+if region_id == nil or region_id < 0 then
+  reaper.ShowMessageBox("Invalid Region ID. Please enter a valid number.", SCRIPT_NAME, 0)
+  return
+end
+
+-- Find the region with the matching ID
+selected_region = nil
+for i = 0, num_markers + num_regions - 1 do
+  retval, isrgn, rgn_start, rgn_end, rgn_name, rgn_index = reaper.EnumProjectMarkers(i)
+
+  if isrgn and rgn_index == region_id then
+    selected_region = {rgn_start = rgn_start, rgn_end = rgn_end, rgn_name = rgn_name, rgn_index = rgn_index, region_marker_index = i}
+    break
+  end
+end
+
+if selected_region == nil then
+  reaper.ShowMessageBox("No region found with ID " .. region_id .. ". Please check the Region/Marker Manager.", SCRIPT_NAME, 0)
+  return
+end
+
+-- Update region start time
+new_start = playhead_position
+rgn_end = selected_region.rgn_end
+region_marker_index = selected_region.region_marker_index
+rgn_name = selected_region.rgn_name
+
+-- Begin undo-block
+reaper.Undo_BeginBlock2(0)
+
+reaper.SetProjectMarkerByIndex(0, region_marker_index, true, new_start, rgn_end, selected_region.rgn_index, rgn_name, 0)
+
+-- End undo-block
+reaper.Undo_EndBlock2(0, SCRIPT_NAME, -1)
+
+reaper.UpdateArrange()
+reaper.ShowMessageBox("Region '" .. rgn_name .. "' (ID " .. region_id .. ") start updated to playhead position.", SCRIPT_NAME, 0)