Added wave from 'center' button

git-svn-id: https://subtitleedit.googlecode.com/svn/trunk@210 99eadd0c-20b8-1223-b5c4-2a2b2df33de2

src/Forms/Main.Designer.cs

@@ -159,7 +159,6 @@
             this.panelSingleLine = new System.Windows.Forms.Panel();
             this.labelTextLineTotal = new System.Windows.Forms.Label();
             this.buttonUnBreak = new System.Windows.Forms.Button();
-            this.timeUpDownStartTime = new Nikse.SubtitleEdit.Controls.TimeUpDown();
             this.buttonUndoListViewChanges = new System.Windows.Forms.Button();
             this.labelStartTimeWarning = new System.Windows.Forms.Label();
             this.labelDurationWarning = new System.Windows.Forms.Label();
@@ -186,7 +185,6 @@
             this.underlineToolStripMenuItem1 = new System.Windows.Forms.ToolStripMenuItem();
             this.colorToolStripMenuItem1 = new System.Windows.Forms.ToolStripMenuItem();
             this.fontNameToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-            this.SubtitleListview1 = new Nikse.SubtitleEdit.Controls.SubtitleListView();
             this.contextMenuStripListview = new System.Windows.Forms.ContextMenuStrip(this.components);
             this.toolStripMenuItemDelete = new System.Windows.Forms.ToolStripMenuItem();
             this.toolStripMenuItemInsertBefore = new System.Windows.Forms.ToolStripMenuItem();
@@ -236,7 +234,7 @@
             this.toolStripSeparator16 = new System.Windows.Forms.ToolStripSeparator();
             this.toolStripButtonWaveFormPause = new System.Windows.Forms.ToolStripButton();
             this.toolStripButtonWaveFormPlay = new System.Windows.Forms.ToolStripButton();
-            this.AudioWaveForm = new Nikse.SubtitleEdit.Controls.WaveForm();
+            this.toolStripButtonLockCenter = new System.Windows.Forms.ToolStripButton();
             this.tabControlButtons = new System.Windows.Forms.TabControl();
             this.tabPageTranslate = new System.Windows.Forms.TabPage();
             this.labelTranslateTip = new System.Windows.Forms.Label();
@@ -275,7 +273,6 @@
             this.numericUpDownSec1 = new System.Windows.Forms.NumericUpDown();
             this.labelVideoPosition = new System.Windows.Forms.Label();
             this.buttonSecBack1 = new System.Windows.Forms.Button();
-            this.timeUpDownVideoPosition = new Nikse.SubtitleEdit.Controls.TimeUpDown();
             this.tabPageAdjust = new System.Windows.Forms.TabPage();
             this.buttonAdjustSetEndTime = new System.Windows.Forms.Button();
             this.buttonSetEndAndGoToNext = new System.Windows.Forms.Button();
@@ -295,10 +292,8 @@
             this.labelVideoPosition2 = new System.Windows.Forms.Label();
             this.buttonAdjustGoToPosAndPause = new System.Windows.Forms.Button();
             this.buttonAdjustPlayBefore = new System.Windows.Forms.Button();
-            this.timeUpDownVideoPositionAdjust = new Nikse.SubtitleEdit.Controls.TimeUpDown();
             this.panelVideoPlayer = new System.Windows.Forms.Panel();
             this.labelSubtitle = new System.Windows.Forms.Label();
-            this.mediaPlayer = new Nikse.SubtitleEdit.Controls.VideoPlayerContainer();
             this.videoTimer = new System.Windows.Forms.Timer(this.components);
             this.timerAutoDuration = new System.Windows.Forms.Timer(this.components);
             this.timerAutoContinue = new System.Windows.Forms.Timer(this.components);
@@ -314,6 +309,12 @@
             this.toolStripMenuItemWaveFormPlaySelection = new System.Windows.Forms.ToolStripMenuItem();
             this.splitContainer1 = new System.Windows.Forms.SplitContainer();
             this.splitContainerMain = new System.Windows.Forms.SplitContainer();
+            this.timeUpDownStartTime = new Nikse.SubtitleEdit.Controls.TimeUpDown();
+            this.SubtitleListview1 = new Nikse.SubtitleEdit.Controls.SubtitleListView();
+            this.mediaPlayer = new Nikse.SubtitleEdit.Controls.VideoPlayerContainer();
+            this.AudioWaveForm = new Nikse.SubtitleEdit.Controls.WaveForm();
+            this.timeUpDownVideoPosition = new Nikse.SubtitleEdit.Controls.TimeUpDown();
+            this.timeUpDownVideoPositionAdjust = new Nikse.SubtitleEdit.Controls.TimeUpDown();
             this.statusStrip1.SuspendLayout();
             this.toolStrip1.SuspendLayout();
             this.menuStrip1.SuspendLayout();
@@ -1509,16 +1510,6 @@
             this.buttonUnBreak.UseVisualStyleBackColor = true;
             this.buttonUnBreak.Click += new System.EventHandler(this.ButtonUnBreakClick);
             // 
-            // timeUpDownStartTime
-            // 
-            this.timeUpDownStartTime.AutoSize = true;
-            this.timeUpDownStartTime.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
-            this.timeUpDownStartTime.Location = new System.Drawing.Point(9, 27);
-            this.timeUpDownStartTime.Margin = new System.Windows.Forms.Padding(4);
-            this.timeUpDownStartTime.Name = "timeUpDownStartTime";
-            this.timeUpDownStartTime.Size = new System.Drawing.Size(92, 25);
-            this.timeUpDownStartTime.TabIndex = 0;
-            // 
             // buttonUndoListViewChanges
             // 
             this.buttonUndoListViewChanges.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
@@ -1768,31 +1759,6 @@
             this.fontNameToolStripMenuItem.Text = "Font name...";
             this.fontNameToolStripMenuItem.Click += new System.EventHandler(this.fontNameToolStripMenuItem_Click);
             // 
-            // SubtitleListview1
-            // 
-            this.SubtitleListview1.AllowDrop = true;
-            this.SubtitleListview1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
-                        | System.Windows.Forms.AnchorStyles.Left)
-                        | System.Windows.Forms.AnchorStyles.Right)));
-            this.SubtitleListview1.ContextMenuStrip = this.contextMenuStripListview;
-            this.SubtitleListview1.FirstVisibleIndex = -1;
-            this.SubtitleListview1.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
-            this.SubtitleListview1.FullRowSelect = true;
-            this.SubtitleListview1.GridLines = true;
-            this.SubtitleListview1.HideSelection = false;
-            this.SubtitleListview1.Location = new System.Drawing.Point(1, 3);
-            this.SubtitleListview1.Name = "SubtitleListview1";
-            this.SubtitleListview1.Size = new System.Drawing.Size(932, 146);
-            this.SubtitleListview1.SmallImageList = this.imageList1;
-            this.SubtitleListview1.TabIndex = 0;
-            this.SubtitleListview1.UseCompatibleStateImageBehavior = false;
-            this.SubtitleListview1.View = System.Windows.Forms.View.Details;
-            this.SubtitleListview1.SelectedIndexChanged += new System.EventHandler(this.SubtitleListview1_SelectedIndexChanged);
-            this.SubtitleListview1.DragDrop += new System.Windows.Forms.DragEventHandler(this.SubtitleListview1_DragDrop);
-            this.SubtitleListview1.DragEnter += new System.Windows.Forms.DragEventHandler(this.SubtitleListview1_DragEnter);
-            this.SubtitleListview1.KeyDown += new System.Windows.Forms.KeyEventHandler(this.SubtitleListview1_KeyDown);
-            this.SubtitleListview1.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(this.SubtitleListview1_MouseDoubleClick);
-            // 
             // contextMenuStripListview
             // 
             this.contextMenuStripListview.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
@@ -2105,10 +2071,10 @@
             this.trackBarWaveFormPosition.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)
                         | System.Windows.Forms.AnchorStyles.Right)));
             this.trackBarWaveFormPosition.AutoSize = false;
-            this.trackBarWaveFormPosition.Location = new System.Drawing.Point(645, 264);
+            this.trackBarWaveFormPosition.Location = new System.Drawing.Point(638, 264);
             this.trackBarWaveFormPosition.Maximum = 1000;
             this.trackBarWaveFormPosition.Name = "trackBarWaveFormPosition";
-            this.trackBarWaveFormPosition.Size = new System.Drawing.Size(592, 20);
+            this.trackBarWaveFormPosition.Size = new System.Drawing.Size(599, 20);
             this.trackBarWaveFormPosition.TabIndex = 11;
             this.trackBarWaveFormPosition.TickStyle = System.Windows.Forms.TickStyle.None;
             this.trackBarWaveFormPosition.ValueChanged += new System.EventHandler(this.trackBarWaveFormPosition_ValueChanged);
@@ -2119,7 +2085,7 @@
             this.panelWaveFormControls.Controls.Add(this.toolStrip2);
             this.panelWaveFormControls.Location = new System.Drawing.Point(478, 269);
             this.panelWaveFormControls.Name = "panelWaveFormControls";
-            this.panelWaveFormControls.Size = new System.Drawing.Size(161, 29);
+            this.panelWaveFormControls.Size = new System.Drawing.Size(174, 29);
             this.panelWaveFormControls.TabIndex = 10;
             // 
             // toolStrip2
@@ -2133,10 +2099,11 @@
             this.toolStripButtonWaveFormZoomIn,
             this.toolStripSeparator16,
             this.toolStripButtonWaveFormPause,
-            this.toolStripButtonWaveFormPlay});
+            this.toolStripButtonWaveFormPlay,
+            this.toolStripButtonLockCenter});
             this.toolStrip2.Location = new System.Drawing.Point(0, 0);
             this.toolStrip2.Name = "toolStrip2";
-            this.toolStrip2.Size = new System.Drawing.Size(135, 25);
+            this.toolStrip2.Size = new System.Drawing.Size(158, 25);
             this.toolStrip2.TabIndex = 0;
             this.toolStrip2.Text = "toolStrip2";
             // 
@@ -2195,33 +2162,15 @@
             this.toolStripButtonWaveFormPlay.Visible = false;
             this.toolStripButtonWaveFormPlay.Click += new System.EventHandler(this.toolStripButtonWaveFormPlay_Click);
             // 
-            // AudioWaveForm
+            // toolStripButtonLockCenter
             // 
-            this.AudioWaveForm.AllowDrop = true;
+            this.toolStripButtonLockCenter.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
-            this.AudioWaveForm.AllowNewSelection = true;
+            this.toolStripButtonLockCenter.Image = ((System.Drawing.Image)(resources.GetObject("toolStripButtonLockCenter.Image")));
-            this.AudioWaveForm.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
+            this.toolStripButtonLockCenter.ImageTransparentColor = System.Drawing.Color.Magenta;
-                        | System.Windows.Forms.AnchorStyles.Left)
+            this.toolStripButtonLockCenter.Name = "toolStripButtonLockCenter";
-                        | System.Windows.Forms.AnchorStyles.Right)));
+            this.toolStripButtonLockCenter.Size = new System.Drawing.Size(23, 22);
-            this.AudioWaveForm.BackColor = System.Drawing.Color.Black;
+            this.toolStripButtonLockCenter.Text = "Center";
-            this.AudioWaveForm.BackgroundColor = System.Drawing.Color.Black;
+            this.toolStripButtonLockCenter.Click += new System.EventHandler(this.toolStripButtonLockCenter_Click_1);
-            this.AudioWaveForm.Color = System.Drawing.Color.GreenYellow;
-            this.AudioWaveForm.DrawGridLines = true;
-            this.AudioWaveForm.GridColor = System.Drawing.Color.FromArgb(((int)(((byte)(20)))), ((int)(((byte)(20)))), ((int)(((byte)(18)))));
-            this.AudioWaveForm.Location = new System.Drawing.Point(475, 30);
-            this.AudioWaveForm.Margin = new System.Windows.Forms.Padding(0);
-            this.AudioWaveForm.Name = "AudioWaveForm";
-            this.AudioWaveForm.NewSelectionParagraph = null;
-            this.AudioWaveForm.SelectedColor = System.Drawing.Color.Red;
-            this.AudioWaveForm.Size = new System.Drawing.Size(762, 228);
-            this.AudioWaveForm.StartPositionSeconds = 0D;
-            this.AudioWaveForm.TabIndex = 6;
-            this.AudioWaveForm.TextColor = System.Drawing.Color.Gray;
-            this.AudioWaveForm.WaveFormNotLoadedText = "Click to add wave form";
-            this.AudioWaveForm.WavePeaks = null;
-            this.AudioWaveForm.ZoomFactor = 1D;
-            this.AudioWaveForm.Click += new System.EventHandler(this.AudioWaveForm_Click);
-            this.AudioWaveForm.DragDrop += new System.Windows.Forms.DragEventHandler(this.AudioWaveForm_DragDrop);
-            this.AudioWaveForm.DragEnter += new System.Windows.Forms.DragEventHandler(this.AudioWaveForm_DragEnter);
             // 
             // tabControlButtons
             // 
@@ -2693,16 +2642,6 @@
             this.buttonSecBack1.UseVisualStyleBackColor = true;
             this.buttonSecBack1.Click += new System.EventHandler(this.buttonSecBack1_Click);
             // 
-            // timeUpDownVideoPosition
-            // 
-            this.timeUpDownVideoPosition.AutoSize = true;
-            this.timeUpDownVideoPosition.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
-            this.timeUpDownVideoPosition.Location = new System.Drawing.Point(86, 192);
-            this.timeUpDownVideoPosition.Margin = new System.Windows.Forms.Padding(4);
-            this.timeUpDownVideoPosition.Name = "timeUpDownVideoPosition";
-            this.timeUpDownVideoPosition.Size = new System.Drawing.Size(92, 25);
-            this.timeUpDownVideoPosition.TabIndex = 12;
-            // 
             // tabPageAdjust
             // 
             this.tabPageAdjust.Controls.Add(this.buttonAdjustSetEndTime);
@@ -2936,16 +2875,6 @@
             this.buttonAdjustPlayBefore.UseVisualStyleBackColor = true;
             this.buttonAdjustPlayBefore.Click += new System.EventHandler(this.buttonBeforeText_Click);
             // 
-            // timeUpDownVideoPositionAdjust
-            // 
-            this.timeUpDownVideoPositionAdjust.AutoSize = true;
-            this.timeUpDownVideoPositionAdjust.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
-            this.timeUpDownVideoPositionAdjust.Location = new System.Drawing.Point(87, 214);
-            this.timeUpDownVideoPositionAdjust.Margin = new System.Windows.Forms.Padding(4);
-            this.timeUpDownVideoPositionAdjust.Name = "timeUpDownVideoPositionAdjust";
-            this.timeUpDownVideoPositionAdjust.Size = new System.Drawing.Size(92, 25);
-            this.timeUpDownVideoPositionAdjust.TabIndex = 13;
-            // 
             // panelVideoPlayer
             // 
             this.panelVideoPlayer.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
@@ -2972,24 +2901,6 @@
             this.labelSubtitle.Text = "labelSubtitle";
             this.labelSubtitle.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
             // 
-            // mediaPlayer
-            // 
-            this.mediaPlayer.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
-                        | System.Windows.Forms.AnchorStyles.Left)
-                        | System.Windows.Forms.AnchorStyles.Right)));
-            this.mediaPlayer.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(18)))), ((int)(((byte)(18)))), ((int)(((byte)(18)))));
-            this.mediaPlayer.CurrentPosition = 0D;
-            this.mediaPlayer.Location = new System.Drawing.Point(0, 0);
-            this.mediaPlayer.Margin = new System.Windows.Forms.Padding(0);
-            this.mediaPlayer.Name = "mediaPlayer";
-            this.mediaPlayer.ShowStopButton = true;
-            this.mediaPlayer.Size = new System.Drawing.Size(281, 246);
-            this.mediaPlayer.TabIndex = 5;
-            this.mediaPlayer.VideoPlayer = null;
-            this.mediaPlayer.Volume = 0D;
-            this.mediaPlayer.DragDrop += new System.Windows.Forms.DragEventHandler(this.mediaPlayer_DragDrop);
-            this.mediaPlayer.DragEnter += new System.Windows.Forms.DragEventHandler(this.mediaPlayer_DragEnter);
-            // 
             // videoTimer
             // 
             this.videoTimer.Interval = 500;
@@ -3110,6 +3021,107 @@
             this.splitContainerMain.SplitterDistance = 285;
             this.splitContainerMain.TabIndex = 8;
             // 
+            // timeUpDownStartTime
+            // 
+            this.timeUpDownStartTime.AutoSize = true;
+            this.timeUpDownStartTime.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
+            this.timeUpDownStartTime.Location = new System.Drawing.Point(9, 27);
+            this.timeUpDownStartTime.Margin = new System.Windows.Forms.Padding(4);
+            this.timeUpDownStartTime.Name = "timeUpDownStartTime";
+            this.timeUpDownStartTime.Size = new System.Drawing.Size(92, 25);
+            this.timeUpDownStartTime.TabIndex = 0;
+            // 
+            // SubtitleListview1
+            // 
+            this.SubtitleListview1.AllowDrop = true;
+            this.SubtitleListview1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
+                        | System.Windows.Forms.AnchorStyles.Left)
+                        | System.Windows.Forms.AnchorStyles.Right)));
+            this.SubtitleListview1.ContextMenuStrip = this.contextMenuStripListview;
+            this.SubtitleListview1.FirstVisibleIndex = -1;
+            this.SubtitleListview1.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.SubtitleListview1.FullRowSelect = true;
+            this.SubtitleListview1.GridLines = true;
+            this.SubtitleListview1.HideSelection = false;
+            this.SubtitleListview1.Location = new System.Drawing.Point(1, 3);
+            this.SubtitleListview1.Name = "SubtitleListview1";
+            this.SubtitleListview1.Size = new System.Drawing.Size(932, 146);
+            this.SubtitleListview1.SmallImageList = this.imageList1;
+            this.SubtitleListview1.TabIndex = 0;
+            this.SubtitleListview1.UseCompatibleStateImageBehavior = false;
+            this.SubtitleListview1.View = System.Windows.Forms.View.Details;
+            this.SubtitleListview1.SelectedIndexChanged += new System.EventHandler(this.SubtitleListview1_SelectedIndexChanged);
+            this.SubtitleListview1.DragDrop += new System.Windows.Forms.DragEventHandler(this.SubtitleListview1_DragDrop);
+            this.SubtitleListview1.DragEnter += new System.Windows.Forms.DragEventHandler(this.SubtitleListview1_DragEnter);
+            this.SubtitleListview1.KeyDown += new System.Windows.Forms.KeyEventHandler(this.SubtitleListview1_KeyDown);
+            this.SubtitleListview1.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(this.SubtitleListview1_MouseDoubleClick);
+            // 
+            // mediaPlayer
+            // 
+            this.mediaPlayer.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
+                        | System.Windows.Forms.AnchorStyles.Left)
+                        | System.Windows.Forms.AnchorStyles.Right)));
+            this.mediaPlayer.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(18)))), ((int)(((byte)(18)))), ((int)(((byte)(18)))));
+            this.mediaPlayer.CurrentPosition = 0D;
+            this.mediaPlayer.Location = new System.Drawing.Point(0, 0);
+            this.mediaPlayer.Margin = new System.Windows.Forms.Padding(0);
+            this.mediaPlayer.Name = "mediaPlayer";
+            this.mediaPlayer.ShowStopButton = true;
+            this.mediaPlayer.Size = new System.Drawing.Size(281, 246);
+            this.mediaPlayer.TabIndex = 5;
+            this.mediaPlayer.VideoPlayer = null;
+            this.mediaPlayer.Volume = 0D;
+            this.mediaPlayer.DragDrop += new System.Windows.Forms.DragEventHandler(this.mediaPlayer_DragDrop);
+            this.mediaPlayer.DragEnter += new System.Windows.Forms.DragEventHandler(this.mediaPlayer_DragEnter);
+            // 
+            // AudioWaveForm
+            // 
+            this.AudioWaveForm.AllowDrop = true;
+            this.AudioWaveForm.AllowNewSelection = true;
+            this.AudioWaveForm.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
+                        | System.Windows.Forms.AnchorStyles.Left)
+                        | System.Windows.Forms.AnchorStyles.Right)));
+            this.AudioWaveForm.BackColor = System.Drawing.Color.Black;
+            this.AudioWaveForm.BackgroundColor = System.Drawing.Color.Black;
+            this.AudioWaveForm.Color = System.Drawing.Color.GreenYellow;
+            this.AudioWaveForm.DrawGridLines = true;
+            this.AudioWaveForm.GridColor = System.Drawing.Color.FromArgb(((int)(((byte)(20)))), ((int)(((byte)(20)))), ((int)(((byte)(18)))));
+            this.AudioWaveForm.Location = new System.Drawing.Point(475, 30);
+            this.AudioWaveForm.Margin = new System.Windows.Forms.Padding(0);
+            this.AudioWaveForm.Name = "AudioWaveForm";
+            this.AudioWaveForm.NewSelectionParagraph = null;
+            this.AudioWaveForm.SelectedColor = System.Drawing.Color.Red;
+            this.AudioWaveForm.Size = new System.Drawing.Size(762, 228);
+            this.AudioWaveForm.StartPositionSeconds = 0D;
+            this.AudioWaveForm.TabIndex = 6;
+            this.AudioWaveForm.TextColor = System.Drawing.Color.Gray;
+            this.AudioWaveForm.WaveFormNotLoadedText = "Click to add wave form";
+            this.AudioWaveForm.WavePeaks = null;
+            this.AudioWaveForm.ZoomFactor = 1D;
+            this.AudioWaveForm.Click += new System.EventHandler(this.AudioWaveForm_Click);
+            this.AudioWaveForm.DragDrop += new System.Windows.Forms.DragEventHandler(this.AudioWaveForm_DragDrop);
+            this.AudioWaveForm.DragEnter += new System.Windows.Forms.DragEventHandler(this.AudioWaveForm_DragEnter);
+            // 
+            // timeUpDownVideoPosition
+            // 
+            this.timeUpDownVideoPosition.AutoSize = true;
+            this.timeUpDownVideoPosition.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
+            this.timeUpDownVideoPosition.Location = new System.Drawing.Point(86, 192);
+            this.timeUpDownVideoPosition.Margin = new System.Windows.Forms.Padding(4);
+            this.timeUpDownVideoPosition.Name = "timeUpDownVideoPosition";
+            this.timeUpDownVideoPosition.Size = new System.Drawing.Size(92, 25);
+            this.timeUpDownVideoPosition.TabIndex = 12;
+            // 
+            // timeUpDownVideoPositionAdjust
+            // 
+            this.timeUpDownVideoPositionAdjust.AutoSize = true;
+            this.timeUpDownVideoPositionAdjust.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
+            this.timeUpDownVideoPositionAdjust.Location = new System.Drawing.Point(87, 214);
+            this.timeUpDownVideoPositionAdjust.Margin = new System.Windows.Forms.Padding(4);
+            this.timeUpDownVideoPositionAdjust.Name = "timeUpDownVideoPositionAdjust";
+            this.timeUpDownVideoPositionAdjust.Size = new System.Drawing.Size(92, 25);
+            this.timeUpDownVideoPositionAdjust.TabIndex = 13;
+            // 
             // Main
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
@@ -3468,6 +3480,7 @@
         private System.Windows.Forms.ToolStripMenuItem undockVideoControlsToolStripMenuItem;
         private System.Windows.Forms.ToolStripMenuItem redockVideoControlsToolStripMenuItem;
         private System.Windows.Forms.ToolStripSeparator toolStripSeparator19;
+        private System.Windows.Forms.ToolStripButton toolStripButtonLockCenter;
     }
 }
 

src/Forms/Main.cs

@@ -655,6 +655,7 @@ namespace Nikse.SubtitleEdit.Forms
             checkBoxSyncListViewWithVideoWhilePlaying.Text = _language.VideoControls.SelectCurrentElementWhilePlaying;
             if (_videoFileName == null)
                 labelVideoInfo.Text = Configuration.Settings.Language.General.NoVideoLoaded;
+            toolStripButtonLockCenter.Text = _language.VideoControls.Center;
 
             groupBoxAutoRepeat.Text = _language.VideoControls.AutoRepeat;
             checkBoxAutoRepeatOn.Text = _language.VideoControls.AutoRepeatOn;
@@ -6974,6 +6975,12 @@ namespace Nikse.SubtitleEdit.Forms
             mediaPlayer.Play();
         }
 
+        private void toolStripButtonLockCenter_Click_1(object sender, EventArgs e)
+        {
+            toolStripButtonLockCenter.Checked = !toolStripButtonLockCenter.Checked;
+            AudioWaveForm.Locked = toolStripButtonLockCenter.Checked;
+        }
+
         private void trackBarWaveFormPosition_ValueChanged(object sender, EventArgs e)
         {
             mediaPlayer.CurrentPosition = trackBarWaveFormPosition.Value;
@@ -7859,5 +7866,6 @@ namespace Nikse.SubtitleEdit.Forms
         {
             toolStripButtonToogleVideo.Checked = false;
         }
+
     }
 }

src/Forms/Main.resx

@@ -626,6 +626,22 @@
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         zLoN0ey5zJVkzSANOmk3/kv5rPElSzNIk5T3Wj+G0FWUZSiybSdVIwDKVYaCgMREQgAAAABJRU5ErkJg
         gg==
+</value>
+  </data>
+  <data name="toolStripButtonLockCenter.Image" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+    <value>
+        iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8
+        YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAJeSURBVDhPnZJbT1NBFIX5Rz75H7wkxsQYE2OMgonGYDQG
+        44XUVDQEJRWjhra0PfYCtLQUaPGWUrCgbXngxRgffIDaUEpAbKG3c3raM8s9c2o59dFJVuZhz3yz15rd
+        5YuuwhdJwxsl0e6JpHDlRV6oZ0RX9/MtUh7S9ApcQstwhhJwBj+hyxtZxb+LX4p/0xBdY7DFNZiDCo50
+        r4Ix1qGjx3t0gLFQqzNcphfn1zQEkgwv3zdg8ncC6g2GL1/zaAHSHYCywnDJksNUSoO0xGB528CDcVl0
+        oKgMKl3mjxwC5lICwIsVulyoMFwczsGd0GBb0PAsouKutyYAJVk/V6a9DZDCn+EhiBRegYNCsfnjuPA0
+        BztdHo01MThTR59bB0xGUxgLLJEWYfcv6hY4gC+ZyJzOXzk/tAlrTMOrD00MhBTcknRAU2NoNBkOaoYO
+        3C2ARkWVikWycG5QB4yQf1NAxg1nRQA0ssr95/eNgJmk6IDTZSrulhjOPsni9ccmhiMU4ISMXocO4B3u
+        lRmyvw0Az5wOqCoaClTM7wNnBrL0feQ/rOKOp4br9rIA8PB+lYD1XRh+YTYpJswZTIhwrBMxnDb/hGW+
+        gUc0QLffVHHNpgOC79JUXxBnRsdjhyHyb+R0/oXbReDUwwyGZlX0T8q46SKAVQdUFFAHdMaYgURzzQHF
+        KvcPZPeAk6YMHk/Xcc9XowCruNoC5IsMm+Q/Y7TgCi2LdHcOGHIF3d+J/g2YpxThv3es0gas7zD82Aa+
+        bxky4N55+nyy/urY/Q0x/33uagfAeKY9iQ4C8In6X/0Bb/or6jCtPhIAAAAASUVORK5CYII=
 </value>
   </data>
   <metadata name="videoTimer.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">

src/Logic/Language.cs

@@ -874,6 +874,8 @@ namespace Nikse.SubtitleEdit.Logic
 
                     BeforeChangingTimeInWaveFormX = "Before changing time in wave form: {0}",
                     NewTextInsertAtX = "New text inserted at {0}",
+
+                    Center = "Center",
                 },
             };
 

src/Logic/LanguageStructure.cs

@@ -811,6 +811,8 @@
 
                 public string BeforeChangingTimeInWaveFormX { get; set; }
                 public string NewTextInsertAtX { get; set; }
+
+                public string Center { get; set; }
             }
         }
 

src/Resources/da-DK.xml

@@ -553,6 +553,7 @@
       <AdjustTip>Tip: Brug &lt;alt+pil op/ned&gt; for at gå til forrige/næste tekst</AdjustTip>
       <BeforeChangingTimeInWaveFormX>Før ændring af tid i lyd kurve: {0}</BeforeChangingTimeInWaveFormX>
       <NewTextInsertAtX>Ny tekst indsat ved {0}</NewTextInsertAtX>
+      <Center>Center</Center>
     </VideoControls>
     <SaveChangesToUntitled>Gem ændringer til unavngivet?</SaveChangesToUntitled>
     <SaveChangesToX>Gem ændringer til {0}?</SaveChangesToX>