Release 1.18.3

Closes #276

Configuration/UserConfig.cs

@@ -30,16 +30,20 @@ namespace TweetDuck.Configuration{
         private string _customCefArgs       = null;
 
         public string BrowserPath            { get; set; } = null;
+        public string BrowserPathArgs        { get; set; } = null;
         public bool IgnoreTrackingUrlWarning { get; set; } = false;
         public string SearchEngineUrl        { get; set; } = null;
         private int _zoomLevel                             = 100;
         
-        public int VideoPlayerVolume { get; set; } = 50;
+        public string VideoPlayerPath     { get; set; } = null;
+        public string VideoPlayerPathArgs { get; set; } = null;
+        public int VideoPlayerVolume      { get; set; } = 50;
         
         public bool EnableSpellCheck { get; set; } = false;
         private string _spellCheckLanguage         = "en-US";
 
         public string TranslationTarget { get; set; } = "en";
+        public int  CalendarFirstDay    { get; set; } = -1;
         
         private TrayIcon.Behavior _trayBehavior       = TrayIcon.Behavior.Disabled;
         public bool EnableTrayHighlight { get; set; } = true;
@@ -74,6 +78,8 @@ namespace TweetDuck.Configuration{
         public string CustomBrowserCSS      { get; set; } = null;
         public string CustomNotificationCSS { get; set; } = null;
 
+        public bool DevToolsWindowOnTop     { get; set; } = true;
+        
         // SPECIAL PROPERTIES
 
         public bool IsCustomNotificationPositionSet => CustomNotificationPosition != ControlExtensions.InvisibleLocation;

Core/Bridge/PropertyBridge.cs

@@ -1,5 +1,7 @@
 using System.Text;
 using TweetDuck.Configuration;
+using TweetLib.Core;
+using TweetLib.Core.Utils;
 
 namespace TweetDuck.Core.Bridge{
     static class PropertyBridge{
@@ -12,7 +14,7 @@ namespace TweetDuck.Core.Bridge{
             static string Str(string value) => $"\"{value}\";";
 
             UserConfig config = Program.Config.User;
-            StringBuilder build = new StringBuilder(128).Append("(function(x){");
+            StringBuilder build = new StringBuilder(384).Append("(function(x){");
 
             build.Append("x.expandLinksOnHover=").Append(Bool(config.ExpandLinksOnHover));
             
@@ -23,13 +25,14 @@ namespace TweetDuck.Core.Bridge{
                 build.Append("x.muteNotifications=").Append(Bool(config.MuteNotifications));
                 build.Append("x.notificationMediaPreviews=").Append(Bool(config.NotificationMediaPreviews));
                 build.Append("x.translationTarget=").Append(Str(config.TranslationTarget));
+                build.Append("x.firstDayOfWeek=").Append(config.CalendarFirstDay == -1 ? LocaleUtils.GetJQueryDayOfWeek(Lib.Culture.DateTimeFormat.FirstDayOfWeek) : config.CalendarFirstDay);
             }
 
             if (environment == Environment.Notification){
                 build.Append("x.skipOnLinkClick=").Append(Bool(config.NotificationSkipOnLinkClick));
             }
             
-            return build.Append("})(window.$TDX=window.$TDX||{})").ToString();
+            return build.Append("})(window.$TDX=window.$TDX||{});if(window.TDGF_onPropertiesUpdated)window.TDGF_onPropertiesUpdated()").ToString();
         }
     }
 }

Core/Bridge/TweetDeckBridge.cs

@@ -1,5 +1,6 @@
 using System.Diagnostics.CodeAnalysis;
 using System.Windows.Forms;
+using CefSharp;
 using TweetDuck.Core.Controls;
 using TweetDuck.Core.Handling;
 using TweetDuck.Core.Notification;
@@ -100,8 +101,12 @@ namespace TweetDuck.Core.Bridge{
             form.InvokeAsyncSafe(() => form.OnTweetScreenshotReady(html, width));
         }
 
-        public void PlayVideo(string url, string username){
-            form.InvokeAsyncSafe(() => form.PlayVideo(url, username));
+        public void PlayVideo(string videoUrl, string tweetUrl, string username, IJavascriptCallback callShowOverlay){
+            form.InvokeAsyncSafe(() => form.PlayVideo(videoUrl, tweetUrl, username, callShowOverlay));
+        }
+        
+        public void StopVideo(){
+            form.InvokeAsyncSafe(form.StopVideo);
         }
 
         public void FixClipboard(){

Core/FormBrowser.cs

@@ -1,8 +1,10 @@
 using System;
 using System.Diagnostics;
 using System.Drawing;
+using System.IO;
 using System.Threading.Tasks;
 using System.Windows.Forms;
+using CefSharp;
 using TweetDuck.Configuration;
 using TweetDuck.Core.Bridge;
 using TweetDuck.Core.Controls;
@@ -508,24 +510,43 @@ namespace TweetDuck.Core{
             AnalyticsFile.SoundNotifications.Trigger();
         }
 
-        public void PlayVideo(string url, string username){
-            if (string.IsNullOrEmpty(url)){
-                videoPlayer?.Close();
-                return;
+        public void PlayVideo(string videoUrl, string tweetUrl, string username, IJavascriptCallback callShowOverlay){
+            string playerPath = Config.VideoPlayerPath;
+
+            if (playerPath == null || !File.Exists(playerPath)){
+                if (videoPlayer == null){
+                    videoPlayer = new VideoPlayer(this);
+
+                    videoPlayer.ProcessExited += (sender, args) => {
+                        browser.HideVideoOverlay(true);
+                    };
+                }
+                
+                callShowOverlay.ExecuteAsync();
+                callShowOverlay.Dispose();
+
+                videoPlayer.Launch(videoUrl, tweetUrl, username);
+            }
+            else{
+                callShowOverlay.Dispose();
+
+                string quotedUrl = '"' + videoUrl + '"';
+                string playerArgs = Config.VideoPlayerPathArgs == null ? quotedUrl : Config.VideoPlayerPathArgs + ' ' + quotedUrl;
+                
+                try{
+                    using(Process.Start(playerPath, playerArgs)){}
+                }catch(Exception e){
+                    Program.Reporter.HandleException("Error Opening Video Player", "Could not open the video player.", true, e);
+                }
             }
             
-            if (videoPlayer == null){
-                videoPlayer = new VideoPlayer(this);
-
-                videoPlayer.ProcessExited += (sender, args) => {
-                    browser.HideVideoOverlay(true);
-                };
-            }
-            
-            videoPlayer.Launch(url, username);
             AnalyticsFile.VideoPlays.Trigger();
         }
 
+        public void StopVideo(){
+            videoPlayer?.Close();
+        }
+
         public bool ProcessBrowserKey(Keys key){
             if (videoPlayer != null && videoPlayer.Running){
                 videoPlayer.SendKeyEvent(key);

Core/Handling/ContextMenuBase.cs

@@ -178,7 +178,7 @@ namespace TweetDuck.Core.Handling{
                     break;
                     
                 case MenuOpenDevTools:
-                    browserControl.ShowDevTools();
+                    browserControl.OpenDevToolsCustom();
                     break;
             }
 

Core/Handling/KeyboardHandlerBase.cs

@@ -9,7 +9,7 @@ namespace TweetDuck.Core.Handling{
         protected virtual bool HandleRawKey(IWebBrowser browserControl, IBrowser browser, Keys key, CefEventFlags modifiers){
             if (modifiers == (CefEventFlags.ControlDown | CefEventFlags.ShiftDown) && key == Keys.I){
                 if (BrowserUtils.HasDevTools){
-                    browser.ShowDevTools();
+                    browserControl.OpenDevToolsCustom();
                 }
                 else{
                     browserControl.AsControl().InvokeSafe(() => {

Core/Management/VideoPlayer.cs

@@ -26,7 +26,7 @@ namespace TweetDuck.Core.Management{
             this.owner.FormClosing += owner_FormClosing;
         }
 
-        public void Launch(string url, string username){
+        public void Launch(string videoUrl, string tweetUrl, string username){
             if (Running){
                 Destroy();
                 isClosing = false;
@@ -40,11 +40,11 @@ namespace TweetDuck.Core.Management{
 
                 if ((process = Process.Start(new ProcessStartInfo{
                     FileName = Path.Combine(Program.ProgramPath, "TweetDuck.Video.exe"),
-                    Arguments = $"{owner.Handle} {(int)Math.Floor(100F * owner.GetDPIScale())} {Config.VideoPlayerVolume} \"{url}\" \"{pipe.GenerateToken()}\"",
+                    Arguments = $"{owner.Handle} {(int)Math.Floor(100F * owner.GetDPIScale())} {Config.VideoPlayerVolume} \"{videoUrl}\" \"{pipe.GenerateToken()}\"",
                     UseShellExecute = false,
                     RedirectStandardOutput = true
                 })) != null){
-                    currentInstance = new Instance(process, pipe, url, username);
+                    currentInstance = new Instance(process, pipe, videoUrl, tweetUrl, username);
 
                     process.EnableRaisingEvents = true;
                     process.Exited += process_Exited;
@@ -81,7 +81,7 @@ namespace TweetDuck.Core.Management{
                     case "download":
                         if (currentInstance != null){
                             owner.AnalyticsFile.DownloadedVideos.Trigger();
-                            TwitterUtils.DownloadVideo(currentInstance.Url, currentInstance.Username);
+                            TwitterUtils.DownloadVideo(currentInstance.VideoUrl, currentInstance.Username);
                         }
 
                         break;
@@ -145,7 +145,7 @@ namespace TweetDuck.Core.Management{
             }
 
             int exitCode = currentInstance.Process.ExitCode;
-            string url = currentInstance.Url;
+            string tweetUrl = currentInstance.TweetUrl;
 
             currentInstance.Dispose();
             currentInstance = null;
@@ -153,14 +153,14 @@ namespace TweetDuck.Core.Management{
             switch(exitCode){
                 case 3: // CODE_LAUNCH_FAIL
                     if (FormMessage.Error("Video Playback Error", "Error launching video player, this may be caused by missing Windows Media Player. Do you want to open the video in your browser?", FormMessage.Yes, FormMessage.No)){
-                        BrowserUtils.OpenExternalBrowser(url);
+                        BrowserUtils.OpenExternalBrowser(tweetUrl);
                     }
 
                     break;
 
                 case 4: // CODE_MEDIA_ERROR
                     if (FormMessage.Error("Video Playback Error", "The video could not be loaded, most likely due to unknown format. Do you want to open the video in your browser?", FormMessage.Yes, FormMessage.No)){
-                        BrowserUtils.OpenExternalBrowser(url);
+                        BrowserUtils.OpenExternalBrowser(tweetUrl);
                     }
 
                     break;
@@ -184,13 +184,15 @@ namespace TweetDuck.Core.Management{
             public Process Process { get; }
             public DuplexPipe.Server Pipe { get; }
 
-            public string Url { get; }
+            public string VideoUrl { get; }
+            public string TweetUrl { get; }
             public string Username { get; }
 
-            public Instance(Process process, DuplexPipe.Server pipe, string url, string username){
+            public Instance(Process process, DuplexPipe.Server pipe, string videoUrl, string tweetUrl, string username){
                 this.Process = process;
                 this.Pipe = pipe;
-                this.Url = url;
+                this.VideoUrl = videoUrl;
+                this.TweetUrl = tweetUrl;
                 this.Username = username;
             }
 

Core/Other/FormSettings.cs

@@ -41,6 +41,7 @@ namespace TweetDuck.Core.Other{
             AddButton("General", () => new TabSettingsGeneral(this.browser.ReloadColumns, updates));
             AddButton("Notifications", () => new TabSettingsNotifications(new FormNotificationExample(this.browser, this.plugins)));
             AddButton("Sounds", () => new TabSettingsSounds(this.browser.PlaySoundNotification));
+            AddButton("Tray", () => new TabSettingsTray());
             AddButton("Feedback", () => new TabSettingsFeedback(analytics, AnalyticsReportGenerator.ExternalInfo.From(this.browser), this.plugins));
             AddButton("Advanced", () => new TabSettingsAdvanced(this.browser.ReinjectCustomCSS, this.browser.OpenDevTools));
 

Core/Other/Settings/Dialogs/DialogSettingsExternalProgram.Designer.cs

@@ -0,0 +1,154 @@
+namespace TweetDuck.Core.Other.Settings.Dialogs {
+    partial class DialogSettingsExternalProgram {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.textBoxPath = new System.Windows.Forms.TextBox();
+            this.btnCancel = new System.Windows.Forms.Button();
+            this.btnApply = new System.Windows.Forms.Button();
+            this.labelPath = new System.Windows.Forms.Label();
+            this.labelArgs = new System.Windows.Forms.Label();
+            this.textBoxArgs = new System.Windows.Forms.TextBox();
+            this.btnBrowse = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            // 
+            // textBoxPath
+            // 
+            this.textBoxPath.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.textBoxPath.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.textBoxPath.Location = new System.Drawing.Point(12, 30);
+            this.textBoxPath.Name = "textBoxPath";
+            this.textBoxPath.Size = new System.Drawing.Size(336, 23);
+            this.textBoxPath.TabIndex = 1;
+            // 
+            // btnCancel
+            // 
+            this.btnCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnCancel.AutoSize = true;
+            this.btnCancel.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.btnCancel.Location = new System.Drawing.Point(307, 118);
+            this.btnCancel.Name = "btnCancel";
+            this.btnCancel.Padding = new System.Windows.Forms.Padding(2, 0, 2, 0);
+            this.btnCancel.Size = new System.Drawing.Size(57, 25);
+            this.btnCancel.TabIndex = 6;
+            this.btnCancel.Text = "Cancel";
+            this.btnCancel.UseVisualStyleBackColor = true;
+            this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
+            // 
+            // btnApply
+            // 
+            this.btnApply.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnApply.AutoSize = true;
+            this.btnApply.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.btnApply.Location = new System.Drawing.Point(370, 118);
+            this.btnApply.Name = "btnApply";
+            this.btnApply.Padding = new System.Windows.Forms.Padding(2, 0, 2, 0);
+            this.btnApply.Size = new System.Drawing.Size(52, 25);
+            this.btnApply.TabIndex = 5;
+            this.btnApply.Text = "Apply";
+            this.btnApply.UseVisualStyleBackColor = true;
+            this.btnApply.Click += new System.EventHandler(this.btnApply_Click);
+            // 
+            // labelPath
+            // 
+            this.labelPath.AutoSize = true;
+            this.labelPath.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.labelPath.Location = new System.Drawing.Point(12, 9);
+            this.labelPath.Margin = new System.Windows.Forms.Padding(3, 0, 3, 3);
+            this.labelPath.Name = "labelPath";
+            this.labelPath.Size = new System.Drawing.Size(109, 15);
+            this.labelPath.TabIndex = 0;
+            this.labelPath.Text = "Path to Application";
+            // 
+            // labelArgs
+            // 
+            this.labelArgs.AutoSize = true;
+            this.labelArgs.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.labelArgs.Location = new System.Drawing.Point(12, 68);
+            this.labelArgs.Margin = new System.Windows.Forms.Padding(3, 12, 3, 3);
+            this.labelArgs.Name = "labelArgs";
+            this.labelArgs.Size = new System.Drawing.Size(124, 15);
+            this.labelArgs.TabIndex = 3;
+            this.labelArgs.Text = "Additional Arguments";
+            // 
+            // textBoxArgs
+            // 
+            this.textBoxArgs.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.textBoxArgs.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.textBoxArgs.Location = new System.Drawing.Point(12, 89);
+            this.textBoxArgs.Name = "textBoxArgs";
+            this.textBoxArgs.Size = new System.Drawing.Size(410, 23);
+            this.textBoxArgs.TabIndex = 4;
+            // 
+            // btnBrowse
+            // 
+            this.btnBrowse.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnBrowse.AutoSize = true;
+            this.btnBrowse.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.btnBrowse.Location = new System.Drawing.Point(354, 28);
+            this.btnBrowse.Name = "btnBrowse";
+            this.btnBrowse.Padding = new System.Windows.Forms.Padding(2, 0, 2, 0);
+            this.btnBrowse.Size = new System.Drawing.Size(68, 25);
+            this.btnBrowse.TabIndex = 2;
+            this.btnBrowse.Text = "Browse...";
+            this.btnBrowse.UseVisualStyleBackColor = true;
+            this.btnBrowse.Click += new System.EventHandler(this.btnBrowse_Click);
+            // 
+            // DialogSettingsExternalProgram
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(434, 155);
+            this.Controls.Add(this.btnBrowse);
+            this.Controls.Add(this.textBoxArgs);
+            this.Controls.Add(this.labelArgs);
+            this.Controls.Add(this.labelPath);
+            this.Controls.Add(this.btnApply);
+            this.Controls.Add(this.btnCancel);
+            this.Controls.Add(this.textBoxPath);
+            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
+            this.MaximizeBox = false;
+            this.MinimizeBox = false;
+            this.Name = "DialogSettingsExternalProgram";
+            this.ShowIcon = false;
+            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.TextBox textBoxPath;
+        private System.Windows.Forms.Button btnCancel;
+        private System.Windows.Forms.Button btnApply;
+        private System.Windows.Forms.Label labelPath;
+        private System.Windows.Forms.Label labelArgs;
+        private System.Windows.Forms.TextBox textBoxArgs;
+        private System.Windows.Forms.Button btnBrowse;
+    }
+}

Core/Other/Settings/Dialogs/DialogSettingsExternalProgram.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Windows.Forms;
+using TweetLib.Core.Utils;
+using IOPath = System.IO.Path;
+
+namespace TweetDuck.Core.Other.Settings.Dialogs{
+    sealed partial class DialogSettingsExternalProgram : Form{
+        public string Path{
+            get => StringUtils.NullIfEmpty(textBoxPath.Text);
+            set => textBoxPath.Text = value ?? string.Empty;
+        }
+
+        public string Args{
+            get => StringUtils.NullIfEmpty(textBoxArgs.Text);
+            set => textBoxArgs.Text = value ?? string.Empty;
+        }
+
+        private readonly string fileDialogTitle;
+
+        public DialogSettingsExternalProgram(string windowTitle, string fileDialogTitle){
+            InitializeComponent();
+            
+            Text = Program.BrandName + " Options - " + windowTitle;
+            AcceptButton = btnApply;
+            CancelButton = btnCancel;
+
+            this.fileDialogTitle = fileDialogTitle;
+        }
+
+        private void btnBrowse_Click(object sender, EventArgs e){
+            using OpenFileDialog dialog = new OpenFileDialog{
+                AutoUpgradeEnabled = true,
+                DereferenceLinks = true,
+                InitialDirectory = IOPath.GetDirectoryName(Path), // returns null if argument is null
+                Title = fileDialogTitle,
+                Filter = "Executables (*.exe;*.bat;*.cmd)|*.exe;*.bat;*.cmd|All Files (*.*)|*.*"
+            };
+
+            if (dialog.ShowDialog() == DialogResult.OK && Path != dialog.FileName){
+                Path = dialog.FileName;
+                Args = string.Empty;
+            }
+        }
+        
+        private void btnApply_Click(object sender, EventArgs e){
+            DialogResult = DialogResult.OK;
+            Close();
+        }
+
+        private void btnCancel_Click(object sender, EventArgs e){
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

Core/Other/Settings/TabSettingsAdvanced.Designer.cs

@@ -41,6 +41,8 @@
             this.panelConfiguration = new System.Windows.Forms.Panel();
             this.labelConfiguration = new System.Windows.Forms.Label();
             this.flowPanel = new System.Windows.Forms.FlowLayoutPanel();
+            this.labelDevTools = new System.Windows.Forms.Label();
+            this.checkDevToolsWindowOnTop = new System.Windows.Forms.CheckBox();
             ((System.ComponentModel.ISupportInitialize)(this.numClearCacheThreshold)).BeginInit();
             this.panelAppButtons.SuspendLayout();
             this.panelClearCacheAuto.SuspendLayout();
@@ -240,6 +242,8 @@
             this.flowPanel.Controls.Add(this.panelClearCacheAuto);
             this.flowPanel.Controls.Add(this.labelConfiguration);
             this.flowPanel.Controls.Add(this.panelConfiguration);
+            this.flowPanel.Controls.Add(this.labelDevTools);
+            this.flowPanel.Controls.Add(this.checkDevToolsWindowOnTop);
             this.flowPanel.FlowDirection = System.Windows.Forms.FlowDirection.TopDown;
             this.flowPanel.Location = new System.Drawing.Point(9, 9);
             this.flowPanel.Name = "flowPanel";
@@ -247,6 +251,29 @@
             this.flowPanel.TabIndex = 0;
             this.flowPanel.WrapContents = false;
             // 
+            // labelDevTools
+            // 
+            this.labelDevTools.AutoSize = true;
+            this.labelDevTools.Font = new System.Drawing.Font("Segoe UI Semibold", 10.5F, System.Drawing.FontStyle.Bold);
+            this.labelDevTools.Location = new System.Drawing.Point(0, 302);
+            this.labelDevTools.Margin = new System.Windows.Forms.Padding(0, 30, 0, 1);
+            this.labelDevTools.Name = "labelDevTools";
+            this.labelDevTools.Size = new System.Drawing.Size(156, 19);
+            this.labelDevTools.TabIndex = 7;
+            this.labelDevTools.Text = "DEVELOPMENT TOOLS";
+            // 
+            // checkDevToolsWindowOnTop
+            // 
+            this.checkDevToolsWindowOnTop.AutoSize = true;
+            this.checkDevToolsWindowOnTop.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.checkDevToolsWindowOnTop.Location = new System.Drawing.Point(6, 328);
+            this.checkDevToolsWindowOnTop.Margin = new System.Windows.Forms.Padding(6, 6, 0, 2);
+            this.checkDevToolsWindowOnTop.Name = "checkDevToolsWindowOnTop";
+            this.checkDevToolsWindowOnTop.Size = new System.Drawing.Size(168, 19);
+            this.checkDevToolsWindowOnTop.TabIndex = 8;
+            this.checkDevToolsWindowOnTop.Text = "Dev Tools Window On Top";
+            this.checkDevToolsWindowOnTop.UseVisualStyleBackColor = true;
+            // 
             // TabSettingsAdvanced
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
@@ -284,5 +311,7 @@
         private Controls.NumericUpDownEx numClearCacheThreshold;
         private System.Windows.Forms.CheckBox checkClearCacheAuto;
         private System.Windows.Forms.FlowLayoutPanel flowPanel;
+        private System.Windows.Forms.Label labelDevTools;
+        private System.Windows.Forms.CheckBox checkDevToolsWindowOnTop;
     }
 }

Core/Other/Settings/TabSettingsAdvanced.cs

@@ -44,6 +44,16 @@ namespace TweetDuck.Core.Other.Settings{
 
             toolTip.SetToolTip(btnEditCefArgs, "Set custom command line arguments for Chromium Embedded Framework.");
             toolTip.SetToolTip(btnEditCSS, "Set custom CSS for browser and notification windows.");
+
+            // development tools
+
+            toolTip.SetToolTip(checkDevToolsWindowOnTop, "Sets whether dev tool windows appears on top of other windows.");
+
+            checkDevToolsWindowOnTop.Checked = Config.DevToolsWindowOnTop;
+
+            if (!BrowserUtils.HasDevTools){
+                checkDevToolsWindowOnTop.Enabled = false;
+            }
         }
 
         public override void OnReady(){
@@ -57,6 +67,8 @@ namespace TweetDuck.Core.Other.Settings{
             
             btnEditCefArgs.Click += btnEditCefArgs_Click;
             btnEditCSS.Click += btnEditCSS_Click;
+
+            checkDevToolsWindowOnTop.CheckedChanged += checkDevToolsWindowOnTop_CheckedChanged;
         }
 
         public override void OnClosing(){
@@ -152,6 +164,13 @@ namespace TweetDuck.Core.Other.Settings{
             }
         }
 
+        #endregion
+        #region Development Tools
+
+        private void checkDevToolsWindowOnTop_CheckedChanged(object sender, EventArgs e){
+            Config.DevToolsWindowOnTop = checkDevToolsWindowOnTop.Checked;
+        }
+
         #endregion
     }
 }

Core/Other/Settings/TabSettingsGeneral.Designer.cs

@@ -41,30 +41,37 @@
             this.flowPanelLeft = new System.Windows.Forms.FlowLayoutPanel();
             this.checkFocusDmInput = new System.Windows.Forms.CheckBox();
             this.checkKeepLikeFollowDialogsOpen = new System.Windows.Forms.CheckBox();
-            this.labelTray = new System.Windows.Forms.Label();
-            this.comboBoxTrayType = new System.Windows.Forms.ComboBox();
-            this.labelTrayIcon = new System.Windows.Forms.Label();
-            this.checkTrayHighlight = new System.Windows.Forms.CheckBox();
             this.labelBrowserSettings = new System.Windows.Forms.Label();
             this.checkSmoothScrolling = new System.Windows.Forms.CheckBox();
             this.checkTouchAdjustment = new System.Windows.Forms.CheckBox();
+            this.checkHardwareAcceleration = new System.Windows.Forms.CheckBox();
             this.labelBrowserPath = new System.Windows.Forms.Label();
-            this.comboBoxBrowserPath = new System.Windows.Forms.ComboBox();
+            this.comboBoxCustomBrowser = new System.Windows.Forms.ComboBox();
             this.labelSearchEngine = new System.Windows.Forms.Label();
             this.comboBoxSearchEngine = new System.Windows.Forms.ComboBox();
             this.flowPanelRight = new System.Windows.Forms.FlowLayoutPanel();
-            this.checkHardwareAcceleration = new System.Windows.Forms.CheckBox();
             this.labelLocales = new System.Windows.Forms.Label();
             this.checkSpellCheck = new System.Windows.Forms.CheckBox();
             this.labelSpellCheckLanguage = new System.Windows.Forms.Label();
             this.comboBoxSpellCheckLanguage = new System.Windows.Forms.ComboBox();
             this.labelTranslationTarget = new System.Windows.Forms.Label();
             this.comboBoxTranslationTarget = new System.Windows.Forms.ComboBox();
+            this.labelFirstDayOfWeek = new System.Windows.Forms.Label();
+            this.comboBoxFirstDayOfWeek = new System.Windows.Forms.ComboBox();
+            this.labelExternalApplications = new System.Windows.Forms.Label();
+            this.panelCustomBrowser = new System.Windows.Forms.Panel();
+            this.btnCustomBrowserChange = new System.Windows.Forms.Button();
+            this.labelVideoPlayerPath = new System.Windows.Forms.Label();
+            this.panelCustomVideoPlayer = new System.Windows.Forms.Panel();
+            this.comboBoxCustomVideoPlayer = new System.Windows.Forms.ComboBox();
+            this.btnCustomVideoPlayerChange = new System.Windows.Forms.Button();
             this.panelSeparator = new System.Windows.Forms.Panel();
             ((System.ComponentModel.ISupportInitialize)(this.trackBarZoom)).BeginInit();
             this.panelZoom.SuspendLayout();
             this.flowPanelLeft.SuspendLayout();
             this.flowPanelRight.SuspendLayout();
+            this.panelCustomBrowser.SuspendLayout();
+            this.panelCustomVideoPlayer.SuspendLayout();
             this.SuspendLayout();
             // 
             // checkExpandLinks
@@ -83,7 +90,7 @@
             // 
             this.checkUpdateNotifications.AutoSize = true;
             this.checkUpdateNotifications.Font = new System.Drawing.Font("Segoe UI", 9F);
-            this.checkUpdateNotifications.Location = new System.Drawing.Point(6, 409);
+            this.checkUpdateNotifications.Location = new System.Drawing.Point(6, 403);
             this.checkUpdateNotifications.Margin = new System.Windows.Forms.Padding(6, 6, 3, 2);
             this.checkUpdateNotifications.Name = "checkUpdateNotifications";
             this.checkUpdateNotifications.Size = new System.Drawing.Size(182, 19);
@@ -95,7 +102,7 @@
             // 
             this.btnCheckUpdates.AutoSize = true;
             this.btnCheckUpdates.Font = new System.Drawing.Font("Segoe UI", 9F);
-            this.btnCheckUpdates.Location = new System.Drawing.Point(5, 433);
+            this.btnCheckUpdates.Location = new System.Drawing.Point(5, 427);
             this.btnCheckUpdates.Margin = new System.Windows.Forms.Padding(5, 3, 3, 3);
             this.btnCheckUpdates.Name = "btnCheckUpdates";
             this.btnCheckUpdates.Padding = new System.Windows.Forms.Padding(2, 0, 2, 0);
@@ -159,11 +166,11 @@
             // 
             this.labelZoom.AutoSize = true;
             this.labelZoom.Font = new System.Drawing.Font("Segoe UI Semibold", 9F, System.Drawing.FontStyle.Bold);
-            this.labelZoom.Location = new System.Drawing.Point(3, 179);
+            this.labelZoom.Location = new System.Drawing.Point(3, 299);
             this.labelZoom.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
             this.labelZoom.Name = "labelZoom";
             this.labelZoom.Size = new System.Drawing.Size(39, 15);
-            this.labelZoom.TabIndex = 7;
+            this.labelZoom.TabIndex = 11;
             this.labelZoom.Text = "Zoom";
             // 
             // zoomUpdateTimer
@@ -186,11 +193,11 @@
             // 
             this.panelZoom.Controls.Add(this.trackBarZoom);
             this.panelZoom.Controls.Add(this.labelZoomValue);
-            this.panelZoom.Location = new System.Drawing.Point(0, 195);
+            this.panelZoom.Location = new System.Drawing.Point(0, 315);
             this.panelZoom.Margin = new System.Windows.Forms.Padding(0, 1, 0, 0);
             this.panelZoom.Name = "panelZoom";
             this.panelZoom.Size = new System.Drawing.Size(300, 35);
-            this.panelZoom.TabIndex = 8;
+            this.panelZoom.TabIndex = 12;
             // 
             // checkAnimatedAvatars
             // 
@@ -208,7 +215,7 @@
             // 
             this.labelUpdates.AutoSize = true;
             this.labelUpdates.Font = new System.Drawing.Font("Segoe UI Semibold", 10.5F, System.Drawing.FontStyle.Bold);
-            this.labelUpdates.Location = new System.Drawing.Point(0, 383);
+            this.labelUpdates.Location = new System.Drawing.Point(0, 377);
             this.labelUpdates.Margin = new System.Windows.Forms.Padding(0, 27, 0, 1);
             this.labelUpdates.Name = "labelUpdates";
             this.labelUpdates.Size = new System.Drawing.Size(69, 19);
@@ -226,12 +233,12 @@
             this.flowPanelLeft.Controls.Add(this.checkKeepLikeFollowDialogsOpen);
             this.flowPanelLeft.Controls.Add(this.checkBestImageQuality);
             this.flowPanelLeft.Controls.Add(this.checkAnimatedAvatars);
+            this.flowPanelLeft.Controls.Add(this.labelBrowserSettings);
+            this.flowPanelLeft.Controls.Add(this.checkSmoothScrolling);
+            this.flowPanelLeft.Controls.Add(this.checkTouchAdjustment);
+            this.flowPanelLeft.Controls.Add(this.checkHardwareAcceleration);
             this.flowPanelLeft.Controls.Add(this.labelZoom);
             this.flowPanelLeft.Controls.Add(this.panelZoom);
-            this.flowPanelLeft.Controls.Add(this.labelTray);
-            this.flowPanelLeft.Controls.Add(this.comboBoxTrayType);
-            this.flowPanelLeft.Controls.Add(this.labelTrayIcon);
-            this.flowPanelLeft.Controls.Add(this.checkTrayHighlight);
             this.flowPanelLeft.Controls.Add(this.labelUpdates);
             this.flowPanelLeft.Controls.Add(this.checkUpdateNotifications);
             this.flowPanelLeft.Controls.Add(this.btnCheckUpdates);
@@ -266,71 +273,26 @@
             this.checkKeepLikeFollowDialogsOpen.Text = "Keep Like/Follow Dialogs Open";
             this.checkKeepLikeFollowDialogsOpen.UseVisualStyleBackColor = true;
             // 
-            // labelTray
-            // 
-            this.labelTray.AutoSize = true;
-            this.labelTray.Font = new System.Drawing.Font("Segoe UI Semibold", 10.5F, System.Drawing.FontStyle.Bold);
-            this.labelTray.Location = new System.Drawing.Point(0, 255);
-            this.labelTray.Margin = new System.Windows.Forms.Padding(0, 25, 0, 1);
-            this.labelTray.Name = "labelTray";
-            this.labelTray.Size = new System.Drawing.Size(99, 19);
-            this.labelTray.TabIndex = 9;
-            this.labelTray.Text = "SYSTEM TRAY";
-            // 
-            // comboBoxTrayType
-            // 
-            this.comboBoxTrayType.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
-            this.comboBoxTrayType.Font = new System.Drawing.Font("Segoe UI", 9F);
-            this.comboBoxTrayType.FormattingEnabled = true;
-            this.comboBoxTrayType.Location = new System.Drawing.Point(5, 279);
-            this.comboBoxTrayType.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
-            this.comboBoxTrayType.Name = "comboBoxTrayType";
-            this.comboBoxTrayType.Size = new System.Drawing.Size(144, 23);
-            this.comboBoxTrayType.TabIndex = 10;
-            // 
-            // labelTrayIcon
-            // 
-            this.labelTrayIcon.AutoSize = true;
-            this.labelTrayIcon.Font = new System.Drawing.Font("Segoe UI Semibold", 9F, System.Drawing.FontStyle.Bold);
-            this.labelTrayIcon.Location = new System.Drawing.Point(3, 314);
-            this.labelTrayIcon.Margin = new System.Windows.Forms.Padding(3, 9, 3, 0);
-            this.labelTrayIcon.Name = "labelTrayIcon";
-            this.labelTrayIcon.Size = new System.Drawing.Size(56, 15);
-            this.labelTrayIcon.TabIndex = 11;
-            this.labelTrayIcon.Text = "Tray Icon";
-            // 
-            // checkTrayHighlight
-            // 
-            this.checkTrayHighlight.AutoSize = true;
-            this.checkTrayHighlight.Font = new System.Drawing.Font("Segoe UI", 9F);
-            this.checkTrayHighlight.Location = new System.Drawing.Point(6, 335);
-            this.checkTrayHighlight.Margin = new System.Windows.Forms.Padding(6, 6, 3, 2);
-            this.checkTrayHighlight.Name = "checkTrayHighlight";
-            this.checkTrayHighlight.Size = new System.Drawing.Size(114, 19);
-            this.checkTrayHighlight.TabIndex = 12;
-            this.checkTrayHighlight.Text = "Enable Highlight";
-            this.checkTrayHighlight.UseVisualStyleBackColor = true;
-            // 
             // labelBrowserSettings
             // 
             this.labelBrowserSettings.AutoSize = true;
             this.labelBrowserSettings.Font = new System.Drawing.Font("Segoe UI Semibold", 10.5F, System.Drawing.FontStyle.Bold);
-            this.labelBrowserSettings.Location = new System.Drawing.Point(0, 0);
-            this.labelBrowserSettings.Margin = new System.Windows.Forms.Padding(0, 0, 0, 1);
+            this.labelBrowserSettings.Location = new System.Drawing.Point(0, 192);
+            this.labelBrowserSettings.Margin = new System.Windows.Forms.Padding(0, 25, 0, 1);
             this.labelBrowserSettings.Name = "labelBrowserSettings";
             this.labelBrowserSettings.Size = new System.Drawing.Size(143, 19);
-            this.labelBrowserSettings.TabIndex = 0;
+            this.labelBrowserSettings.TabIndex = 7;
             this.labelBrowserSettings.Text = "BROWSER SETTINGS";
             // 
             // checkSmoothScrolling
             // 
             this.checkSmoothScrolling.AutoSize = true;
             this.checkSmoothScrolling.Font = new System.Drawing.Font("Segoe UI", 9F);
-            this.checkSmoothScrolling.Location = new System.Drawing.Point(6, 26);
+            this.checkSmoothScrolling.Location = new System.Drawing.Point(6, 218);
             this.checkSmoothScrolling.Margin = new System.Windows.Forms.Padding(6, 6, 3, 2);
             this.checkSmoothScrolling.Name = "checkSmoothScrolling";
             this.checkSmoothScrolling.Size = new System.Drawing.Size(117, 19);
-            this.checkSmoothScrolling.TabIndex = 1;
+            this.checkSmoothScrolling.TabIndex = 8;
             this.checkSmoothScrolling.Text = "Smooth Scrolling";
             this.checkSmoothScrolling.UseVisualStyleBackColor = true;
             // 
@@ -338,45 +300,57 @@
             // 
             this.checkTouchAdjustment.AutoSize = true;
             this.checkTouchAdjustment.Font = new System.Drawing.Font("Segoe UI", 9F);
-            this.checkTouchAdjustment.Location = new System.Drawing.Point(6, 50);
+            this.checkTouchAdjustment.Location = new System.Drawing.Point(6, 242);
             this.checkTouchAdjustment.Margin = new System.Windows.Forms.Padding(6, 3, 3, 2);
             this.checkTouchAdjustment.Name = "checkTouchAdjustment";
             this.checkTouchAdjustment.Size = new System.Drawing.Size(163, 19);
-            this.checkTouchAdjustment.TabIndex = 2;
+            this.checkTouchAdjustment.TabIndex = 9;
             this.checkTouchAdjustment.Text = "Touch Screen Adjustment";
             this.checkTouchAdjustment.UseVisualStyleBackColor = true;
             // 
+            // checkHardwareAcceleration
+            // 
+            this.checkHardwareAcceleration.AutoSize = true;
+            this.checkHardwareAcceleration.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.checkHardwareAcceleration.Location = new System.Drawing.Point(6, 266);
+            this.checkHardwareAcceleration.Margin = new System.Windows.Forms.Padding(6, 3, 3, 2);
+            this.checkHardwareAcceleration.Name = "checkHardwareAcceleration";
+            this.checkHardwareAcceleration.Size = new System.Drawing.Size(146, 19);
+            this.checkHardwareAcceleration.TabIndex = 10;
+            this.checkHardwareAcceleration.Text = "Hardware Acceleration";
+            this.checkHardwareAcceleration.UseVisualStyleBackColor = true;
+            // 
             // labelBrowserPath
             // 
             this.labelBrowserPath.AutoSize = true;
             this.labelBrowserPath.Font = new System.Drawing.Font("Segoe UI Semibold", 9F, System.Drawing.FontStyle.Bold);
-            this.labelBrowserPath.Location = new System.Drawing.Point(3, 107);
+            this.labelBrowserPath.Location = new System.Drawing.Point(3, 275);
             this.labelBrowserPath.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
             this.labelBrowserPath.Name = "labelBrowserPath";
             this.labelBrowserPath.Size = new System.Drawing.Size(104, 15);
-            this.labelBrowserPath.TabIndex = 4;
+            this.labelBrowserPath.TabIndex = 9;
             this.labelBrowserPath.Text = "Open Links With...";
             // 
-            // comboBoxBrowserPath
+            // comboBoxCustomBrowser
             // 
-            this.comboBoxBrowserPath.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
-            this.comboBoxBrowserPath.Font = new System.Drawing.Font("Segoe UI", 9F);
-            this.comboBoxBrowserPath.FormattingEnabled = true;
-            this.comboBoxBrowserPath.Location = new System.Drawing.Point(5, 126);
-            this.comboBoxBrowserPath.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
-            this.comboBoxBrowserPath.Name = "comboBoxBrowserPath";
-            this.comboBoxBrowserPath.Size = new System.Drawing.Size(173, 23);
-            this.comboBoxBrowserPath.TabIndex = 5;
+            this.comboBoxCustomBrowser.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.comboBoxCustomBrowser.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.comboBoxCustomBrowser.FormattingEnabled = true;
+            this.comboBoxCustomBrowser.Location = new System.Drawing.Point(5, 1);
+            this.comboBoxCustomBrowser.Margin = new System.Windows.Forms.Padding(5, 1, 3, 0);
+            this.comboBoxCustomBrowser.Name = "comboBoxCustomBrowser";
+            this.comboBoxCustomBrowser.Size = new System.Drawing.Size(173, 23);
+            this.comboBoxCustomBrowser.TabIndex = 0;
             // 
             // labelSearchEngine
             // 
             this.labelSearchEngine.AutoSize = true;
             this.labelSearchEngine.Font = new System.Drawing.Font("Segoe UI Semibold", 9F, System.Drawing.FontStyle.Bold);
-            this.labelSearchEngine.Location = new System.Drawing.Point(3, 164);
+            this.labelSearchEngine.Location = new System.Drawing.Point(3, 389);
             this.labelSearchEngine.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
             this.labelSearchEngine.Name = "labelSearchEngine";
             this.labelSearchEngine.Size = new System.Drawing.Size(82, 15);
-            this.labelSearchEngine.TabIndex = 6;
+            this.labelSearchEngine.TabIndex = 13;
             this.labelSearchEngine.Text = "Search Engine";
             // 
             // comboBoxSearchEngine
@@ -384,30 +358,31 @@
             this.comboBoxSearchEngine.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             this.comboBoxSearchEngine.Font = new System.Drawing.Font("Segoe UI", 9F);
             this.comboBoxSearchEngine.FormattingEnabled = true;
-            this.comboBoxSearchEngine.Location = new System.Drawing.Point(5, 183);
+            this.comboBoxSearchEngine.Location = new System.Drawing.Point(5, 408);
             this.comboBoxSearchEngine.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
             this.comboBoxSearchEngine.Name = "comboBoxSearchEngine";
             this.comboBoxSearchEngine.Size = new System.Drawing.Size(173, 23);
-            this.comboBoxSearchEngine.TabIndex = 7;
+            this.comboBoxSearchEngine.TabIndex = 14;
             // 
             // flowPanelRight
             // 
             this.flowPanelRight.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
             | System.Windows.Forms.AnchorStyles.Left)));
-            this.flowPanelRight.Controls.Add(this.labelBrowserSettings);
-            this.flowPanelRight.Controls.Add(this.checkSmoothScrolling);
-            this.flowPanelRight.Controls.Add(this.checkTouchAdjustment);
-            this.flowPanelRight.Controls.Add(this.checkHardwareAcceleration);
-            this.flowPanelRight.Controls.Add(this.labelBrowserPath);
-            this.flowPanelRight.Controls.Add(this.comboBoxBrowserPath);
-            this.flowPanelRight.Controls.Add(this.labelSearchEngine);
-            this.flowPanelRight.Controls.Add(this.comboBoxSearchEngine);
             this.flowPanelRight.Controls.Add(this.labelLocales);
             this.flowPanelRight.Controls.Add(this.checkSpellCheck);
             this.flowPanelRight.Controls.Add(this.labelSpellCheckLanguage);
             this.flowPanelRight.Controls.Add(this.comboBoxSpellCheckLanguage);
             this.flowPanelRight.Controls.Add(this.labelTranslationTarget);
             this.flowPanelRight.Controls.Add(this.comboBoxTranslationTarget);
+            this.flowPanelRight.Controls.Add(this.labelFirstDayOfWeek);
+            this.flowPanelRight.Controls.Add(this.comboBoxFirstDayOfWeek);
+            this.flowPanelRight.Controls.Add(this.labelExternalApplications);
+            this.flowPanelRight.Controls.Add(this.labelBrowserPath);
+            this.flowPanelRight.Controls.Add(this.panelCustomBrowser);
+            this.flowPanelRight.Controls.Add(this.labelVideoPlayerPath);
+            this.flowPanelRight.Controls.Add(this.panelCustomVideoPlayer);
+            this.flowPanelRight.Controls.Add(this.labelSearchEngine);
+            this.flowPanelRight.Controls.Add(this.comboBoxSearchEngine);
             this.flowPanelRight.FlowDirection = System.Windows.Forms.FlowDirection.TopDown;
             this.flowPanelRight.Location = new System.Drawing.Point(322, 9);
             this.flowPanelRight.Name = "flowPanelRight";
@@ -415,38 +390,26 @@
             this.flowPanelRight.TabIndex = 1;
             this.flowPanelRight.WrapContents = false;
             // 
-            // checkHardwareAcceleration
-            // 
-            this.checkHardwareAcceleration.AutoSize = true;
-            this.checkHardwareAcceleration.Font = new System.Drawing.Font("Segoe UI", 9F);
-            this.checkHardwareAcceleration.Location = new System.Drawing.Point(6, 74);
-            this.checkHardwareAcceleration.Margin = new System.Windows.Forms.Padding(6, 3, 3, 2);
-            this.checkHardwareAcceleration.Name = "checkHardwareAcceleration";
-            this.checkHardwareAcceleration.Size = new System.Drawing.Size(146, 19);
-            this.checkHardwareAcceleration.TabIndex = 3;
-            this.checkHardwareAcceleration.Text = "Hardware Acceleration";
-            this.checkHardwareAcceleration.UseVisualStyleBackColor = true;
-            // 
             // labelLocales
             // 
             this.labelLocales.AutoSize = true;
             this.labelLocales.Font = new System.Drawing.Font("Segoe UI Semibold", 10.5F, System.Drawing.FontStyle.Bold);
-            this.labelLocales.Location = new System.Drawing.Point(0, 236);
-            this.labelLocales.Margin = new System.Windows.Forms.Padding(0, 27, 0, 1);
+            this.labelLocales.Location = new System.Drawing.Point(0, 0);
+            this.labelLocales.Margin = new System.Windows.Forms.Padding(0, 0, 0, 1);
             this.labelLocales.Name = "labelLocales";
             this.labelLocales.Size = new System.Drawing.Size(67, 19);
-            this.labelLocales.TabIndex = 8;
+            this.labelLocales.TabIndex = 0;
             this.labelLocales.Text = "LOCALES";
             // 
             // checkSpellCheck
             // 
             this.checkSpellCheck.AutoSize = true;
             this.checkSpellCheck.Font = new System.Drawing.Font("Segoe UI", 9F);
-            this.checkSpellCheck.Location = new System.Drawing.Point(6, 262);
+            this.checkSpellCheck.Location = new System.Drawing.Point(6, 26);
             this.checkSpellCheck.Margin = new System.Windows.Forms.Padding(6, 6, 3, 2);
             this.checkSpellCheck.Name = "checkSpellCheck";
             this.checkSpellCheck.Size = new System.Drawing.Size(125, 19);
-            this.checkSpellCheck.TabIndex = 9;
+            this.checkSpellCheck.TabIndex = 1;
             this.checkSpellCheck.Text = "Enable Spell Check";
             this.checkSpellCheck.UseVisualStyleBackColor = true;
             // 
@@ -454,11 +417,11 @@
             // 
             this.labelSpellCheckLanguage.AutoSize = true;
             this.labelSpellCheckLanguage.Font = new System.Drawing.Font("Segoe UI Semibold", 9F, System.Drawing.FontStyle.Bold);
-            this.labelSpellCheckLanguage.Location = new System.Drawing.Point(3, 295);
+            this.labelSpellCheckLanguage.Location = new System.Drawing.Point(3, 59);
             this.labelSpellCheckLanguage.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
             this.labelSpellCheckLanguage.Name = "labelSpellCheckLanguage";
             this.labelSpellCheckLanguage.Size = new System.Drawing.Size(123, 15);
-            this.labelSpellCheckLanguage.TabIndex = 10;
+            this.labelSpellCheckLanguage.TabIndex = 2;
             this.labelSpellCheckLanguage.Text = "Spell Check Language";
             // 
             // comboBoxSpellCheckLanguage
@@ -466,21 +429,21 @@
             this.comboBoxSpellCheckLanguage.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             this.comboBoxSpellCheckLanguage.Font = new System.Drawing.Font("Segoe UI", 9F);
             this.comboBoxSpellCheckLanguage.FormattingEnabled = true;
-            this.comboBoxSpellCheckLanguage.Location = new System.Drawing.Point(5, 314);
+            this.comboBoxSpellCheckLanguage.Location = new System.Drawing.Point(5, 78);
             this.comboBoxSpellCheckLanguage.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
             this.comboBoxSpellCheckLanguage.Name = "comboBoxSpellCheckLanguage";
             this.comboBoxSpellCheckLanguage.Size = new System.Drawing.Size(290, 23);
-            this.comboBoxSpellCheckLanguage.TabIndex = 11;
+            this.comboBoxSpellCheckLanguage.TabIndex = 3;
             // 
             // labelTranslationTarget
             // 
             this.labelTranslationTarget.AutoSize = true;
             this.labelTranslationTarget.Font = new System.Drawing.Font("Segoe UI Semibold", 9F, System.Drawing.FontStyle.Bold);
-            this.labelTranslationTarget.Location = new System.Drawing.Point(3, 352);
+            this.labelTranslationTarget.Location = new System.Drawing.Point(3, 116);
             this.labelTranslationTarget.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
             this.labelTranslationTarget.Name = "labelTranslationTarget";
             this.labelTranslationTarget.Size = new System.Drawing.Size(142, 15);
-            this.labelTranslationTarget.TabIndex = 12;
+            this.labelTranslationTarget.TabIndex = 4;
             this.labelTranslationTarget.Text = "Bing Translator Language";
             // 
             // comboBoxTranslationTarget
@@ -488,11 +451,114 @@
             this.comboBoxTranslationTarget.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             this.comboBoxTranslationTarget.Font = new System.Drawing.Font("Segoe UI", 9F);
             this.comboBoxTranslationTarget.FormattingEnabled = true;
-            this.comboBoxTranslationTarget.Location = new System.Drawing.Point(5, 371);
+            this.comboBoxTranslationTarget.Location = new System.Drawing.Point(5, 135);
             this.comboBoxTranslationTarget.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
             this.comboBoxTranslationTarget.Name = "comboBoxTranslationTarget";
             this.comboBoxTranslationTarget.Size = new System.Drawing.Size(290, 23);
-            this.comboBoxTranslationTarget.TabIndex = 13;
+            this.comboBoxTranslationTarget.TabIndex = 5;
+            // 
+            // labelFirstDayOfWeek
+            // 
+            this.labelFirstDayOfWeek.AutoSize = true;
+            this.labelFirstDayOfWeek.Font = new System.Drawing.Font("Segoe UI Semibold", 9F, System.Drawing.FontStyle.Bold);
+            this.labelFirstDayOfWeek.Location = new System.Drawing.Point(3, 173);
+            this.labelFirstDayOfWeek.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelFirstDayOfWeek.Name = "labelFirstDayOfWeek";
+            this.labelFirstDayOfWeek.Size = new System.Drawing.Size(125, 15);
+            this.labelFirstDayOfWeek.TabIndex = 6;
+            this.labelFirstDayOfWeek.Text = "First Day Of The Week";
+            // 
+            // comboBoxFirstDayOfWeek
+            // 
+            this.comboBoxFirstDayOfWeek.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.comboBoxFirstDayOfWeek.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.comboBoxFirstDayOfWeek.FormattingEnabled = true;
+            this.comboBoxFirstDayOfWeek.Location = new System.Drawing.Point(5, 192);
+            this.comboBoxFirstDayOfWeek.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
+            this.comboBoxFirstDayOfWeek.Name = "comboBoxFirstDayOfWeek";
+            this.comboBoxFirstDayOfWeek.Size = new System.Drawing.Size(173, 23);
+            this.comboBoxFirstDayOfWeek.TabIndex = 7;
+            // 
+            // labelExternalApplications
+            // 
+            this.labelExternalApplications.AutoSize = true;
+            this.labelExternalApplications.Font = new System.Drawing.Font("Segoe UI Semibold", 10.5F, System.Drawing.FontStyle.Bold);
+            this.labelExternalApplications.Location = new System.Drawing.Point(0, 243);
+            this.labelExternalApplications.Margin = new System.Windows.Forms.Padding(0, 25, 0, 1);
+            this.labelExternalApplications.Name = "labelExternalApplications";
+            this.labelExternalApplications.Size = new System.Drawing.Size(176, 19);
+            this.labelExternalApplications.TabIndex = 8;
+            this.labelExternalApplications.Text = "EXTERNAL APPLICATIONS";
+            // 
+            // panelCustomBrowser
+            // 
+            this.panelCustomBrowser.Controls.Add(this.comboBoxCustomBrowser);
+            this.panelCustomBrowser.Controls.Add(this.btnCustomBrowserChange);
+            this.panelCustomBrowser.Location = new System.Drawing.Point(0, 293);
+            this.panelCustomBrowser.Margin = new System.Windows.Forms.Padding(0, 3, 0, 3);
+            this.panelCustomBrowser.Name = "panelCustomBrowser";
+            this.panelCustomBrowser.Size = new System.Drawing.Size(300, 24);
+            this.panelCustomBrowser.TabIndex = 10;
+            // 
+            // btnCustomBrowserChange
+            // 
+            this.btnCustomBrowserChange.AutoSize = true;
+            this.btnCustomBrowserChange.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.btnCustomBrowserChange.Location = new System.Drawing.Point(186, 0);
+            this.btnCustomBrowserChange.Margin = new System.Windows.Forms.Padding(5, 0, 3, 0);
+            this.btnCustomBrowserChange.Name = "btnCustomBrowserChange";
+            this.btnCustomBrowserChange.Padding = new System.Windows.Forms.Padding(2, 0, 2, 0);
+            this.btnCustomBrowserChange.Size = new System.Drawing.Size(71, 25);
+            this.btnCustomBrowserChange.TabIndex = 1;
+            this.btnCustomBrowserChange.Text = "Change...";
+            this.btnCustomBrowserChange.UseVisualStyleBackColor = true;
+            this.btnCustomBrowserChange.Visible = false;
+            // 
+            // labelVideoPlayerPath
+            // 
+            this.labelVideoPlayerPath.AutoSize = true;
+            this.labelVideoPlayerPath.Font = new System.Drawing.Font("Segoe UI Semibold", 9F, System.Drawing.FontStyle.Bold);
+            this.labelVideoPlayerPath.Location = new System.Drawing.Point(3, 332);
+            this.labelVideoPlayerPath.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelVideoPlayerPath.Name = "labelVideoPlayerPath";
+            this.labelVideoPlayerPath.Size = new System.Drawing.Size(106, 15);
+            this.labelVideoPlayerPath.TabIndex = 11;
+            this.labelVideoPlayerPath.Text = "Play Videos With...";
+            // 
+            // panelCustomVideoPlayer
+            // 
+            this.panelCustomVideoPlayer.Controls.Add(this.comboBoxCustomVideoPlayer);
+            this.panelCustomVideoPlayer.Controls.Add(this.btnCustomVideoPlayerChange);
+            this.panelCustomVideoPlayer.Location = new System.Drawing.Point(0, 350);
+            this.panelCustomVideoPlayer.Margin = new System.Windows.Forms.Padding(0, 3, 0, 3);
+            this.panelCustomVideoPlayer.Name = "panelCustomVideoPlayer";
+            this.panelCustomVideoPlayer.Size = new System.Drawing.Size(300, 24);
+            this.panelCustomVideoPlayer.TabIndex = 12;
+            // 
+            // comboBoxCustomVideoPlayer
+            // 
+            this.comboBoxCustomVideoPlayer.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.comboBoxCustomVideoPlayer.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.comboBoxCustomVideoPlayer.FormattingEnabled = true;
+            this.comboBoxCustomVideoPlayer.Location = new System.Drawing.Point(5, 1);
+            this.comboBoxCustomVideoPlayer.Margin = new System.Windows.Forms.Padding(5, 1, 3, 0);
+            this.comboBoxCustomVideoPlayer.Name = "comboBoxCustomVideoPlayer";
+            this.comboBoxCustomVideoPlayer.Size = new System.Drawing.Size(173, 23);
+            this.comboBoxCustomVideoPlayer.TabIndex = 0;
+            // 
+            // btnCustomVideoPlayerChange
+            // 
+            this.btnCustomVideoPlayerChange.AutoSize = true;
+            this.btnCustomVideoPlayerChange.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.btnCustomVideoPlayerChange.Location = new System.Drawing.Point(186, 0);
+            this.btnCustomVideoPlayerChange.Margin = new System.Windows.Forms.Padding(5, 0, 3, 0);
+            this.btnCustomVideoPlayerChange.Name = "btnCustomVideoPlayerChange";
+            this.btnCustomVideoPlayerChange.Padding = new System.Windows.Forms.Padding(2, 0, 2, 0);
+            this.btnCustomVideoPlayerChange.Size = new System.Drawing.Size(71, 25);
+            this.btnCustomVideoPlayerChange.TabIndex = 1;
+            this.btnCustomVideoPlayerChange.Text = "Change...";
+            this.btnCustomVideoPlayerChange.UseVisualStyleBackColor = true;
+            this.btnCustomVideoPlayerChange.Visible = false;
             // 
             // panelSeparator
             // 
@@ -520,6 +586,10 @@
             this.flowPanelLeft.PerformLayout();
             this.flowPanelRight.ResumeLayout(false);
             this.flowPanelRight.PerformLayout();
+            this.panelCustomBrowser.ResumeLayout(false);
+            this.panelCustomBrowser.PerformLayout();
+            this.panelCustomVideoPlayer.ResumeLayout(false);
+            this.panelCustomVideoPlayer.PerformLayout();
             this.ResumeLayout(false);
 
         }
@@ -543,7 +613,7 @@
         private System.Windows.Forms.FlowLayoutPanel flowPanelLeft;
         private System.Windows.Forms.CheckBox checkKeepLikeFollowDialogsOpen;
         private System.Windows.Forms.Label labelBrowserPath;
-        private System.Windows.Forms.ComboBox comboBoxBrowserPath;
+        private System.Windows.Forms.ComboBox comboBoxCustomBrowser;
         private System.Windows.Forms.Label labelBrowserSettings;
         private System.Windows.Forms.CheckBox checkSmoothScrolling;
         private System.Windows.Forms.Label labelSearchEngine;
@@ -551,10 +621,6 @@
         private System.Windows.Forms.CheckBox checkTouchAdjustment;
         private System.Windows.Forms.FlowLayoutPanel flowPanelRight;
         private System.Windows.Forms.Panel panelSeparator;
-        private System.Windows.Forms.Label labelTray;
-        private System.Windows.Forms.ComboBox comboBoxTrayType;
-        private System.Windows.Forms.Label labelTrayIcon;
-        private System.Windows.Forms.CheckBox checkTrayHighlight;
         private System.Windows.Forms.Label labelLocales;
         private System.Windows.Forms.CheckBox checkSpellCheck;
         private System.Windows.Forms.Label labelSpellCheckLanguage;
@@ -563,5 +629,14 @@
         private System.Windows.Forms.ComboBox comboBoxTranslationTarget;
         private System.Windows.Forms.CheckBox checkHardwareAcceleration;
         private System.Windows.Forms.CheckBox checkFocusDmInput;
+        private System.Windows.Forms.Panel panelCustomBrowser;
+        private System.Windows.Forms.Button btnCustomBrowserChange;
+        private System.Windows.Forms.Label labelVideoPlayerPath;
+        private System.Windows.Forms.Panel panelCustomVideoPlayer;
+        private System.Windows.Forms.ComboBox comboBoxCustomVideoPlayer;
+        private System.Windows.Forms.Button btnCustomVideoPlayerChange;
+        private System.Windows.Forms.Label labelExternalApplications;
+        private System.Windows.Forms.Label labelFirstDayOfWeek;
+        private System.Windows.Forms.ComboBox comboBoxFirstDayOfWeek;
     }
 }

Core/Other/Settings/TabSettingsGeneral.cs

@@ -19,6 +19,9 @@ namespace TweetDuck.Core.Other.Settings{
         private readonly int browserListIndexDefault;
         private readonly int browserListIndexCustom;
 
+        private readonly int videoPlayerListIndexDefault;
+        private readonly int videoPlayerListIndexCustom;
+
         private readonly int searchEngineIndexDefault;
         private readonly int searchEngineIndexCustom;
 
@@ -53,21 +56,6 @@ namespace TweetDuck.Core.Other.Settings{
             trackBarZoom.SetValueSafe(Config.ZoomLevel);
             labelZoomValue.Text = trackBarZoom.Value + "%";
 
-            // system tray
-            
-            toolTip.SetToolTip(comboBoxTrayType, "Changes behavior of the Tray icon.\r\nRight-click the icon for an action menu.");
-            toolTip.SetToolTip(checkTrayHighlight, "Highlights the tray icon if there are new tweets.\r\nOnly works for columns with popup or audio notifications.\r\nThe icon resets when the main window is restored.");
-
-            comboBoxTrayType.Items.Add("Disabled");
-            comboBoxTrayType.Items.Add("Display Icon Only");
-            comboBoxTrayType.Items.Add("Minimize to Tray");
-            comboBoxTrayType.Items.Add("Close to Tray");
-            comboBoxTrayType.Items.Add("Combined");
-            comboBoxTrayType.SelectedIndex = Math.Min(Math.Max((int)Config.TrayBehavior, 0), comboBoxTrayType.Items.Count - 1);
-
-            checkTrayHighlight.Enabled = Config.TrayBehavior.ShouldDisplayIcon();
-            checkTrayHighlight.Checked = Config.EnableTrayHighlight;
-
             // updates
             
             toolTip.SetToolTip(checkUpdateNotifications, "Checks for updates every hour.\r\nIf an update is dismissed, it will not appear again.");
@@ -80,7 +68,8 @@ namespace TweetDuck.Core.Other.Settings{
             toolTip.SetToolTip(checkSmoothScrolling, "Toggles smooth mouse wheel scrolling.");
             toolTip.SetToolTip(checkTouchAdjustment, "Toggles Chromium touch screen adjustment.\r\nDisabled by default, because it is very imprecise with TweetDeck.");
             toolTip.SetToolTip(checkHardwareAcceleration, "Uses graphics card to improve performance.\r\nDisable if you experience visual glitches, or to save a small amount of RAM.");
-            toolTip.SetToolTip(comboBoxBrowserPath, "Sets the default browser for opening links.");
+            toolTip.SetToolTip(comboBoxCustomBrowser, "Sets the default browser for opening links.");
+            toolTip.SetToolTip(comboBoxCustomVideoPlayer, "Sets the default application for playing videos.");
             toolTip.SetToolTip(comboBoxSearchEngine, "Sets the default website for opening searches.");
             
             checkSmoothScrolling.Checked = Config.EnableSmoothScrolling;
@@ -88,13 +77,17 @@ namespace TweetDuck.Core.Other.Settings{
             checkHardwareAcceleration.Checked = SysConfig.HardwareAcceleration;
 
             foreach(WindowsUtils.Browser browserInfo in WindowsUtils.FindInstalledBrowsers()){
-                comboBoxBrowserPath.Items.Add(browserInfo);
+                comboBoxCustomBrowser.Items.Add(browserInfo);
             }
             
-            browserListIndexDefault = comboBoxBrowserPath.Items.Add("(default browser)");
-            browserListIndexCustom = comboBoxBrowserPath.Items.Add("(custom program...)");
+            browserListIndexDefault = comboBoxCustomBrowser.Items.Add("(default browser)");
+            browserListIndexCustom = comboBoxCustomBrowser.Items.Add("(custom program...)");
             UpdateBrowserPathSelection();
 
+            videoPlayerListIndexDefault = comboBoxCustomVideoPlayer.Items.Add("(default TweetDuck player)");
+            videoPlayerListIndexCustom = comboBoxCustomVideoPlayer.Items.Add("(custom program...)");
+            UpdateVideoPlayerPathSelection();
+
             comboBoxSearchEngine.Items.Add(new SearchEngine("DuckDuckGo", "https://duckduckgo.com/?q="));
             comboBoxSearchEngine.Items.Add(new SearchEngine("Google", "https://www.google.com/search?q="));
             comboBoxSearchEngine.Items.Add(new SearchEngine("Bing", "https://www.bing.com/search?q="));
@@ -108,6 +101,7 @@ namespace TweetDuck.Core.Other.Settings{
             toolTip.SetToolTip(checkSpellCheck, "Underlines words that are spelled incorrectly.");
             toolTip.SetToolTip(comboBoxSpellCheckLanguage, "Language used for spell check.");
             toolTip.SetToolTip(comboBoxTranslationTarget, "Language tweets are translated into.");
+            toolTip.SetToolTip(comboBoxFirstDayOfWeek, "First day of week used in the date picker.");
             
             checkSpellCheck.Checked = Config.EnableSpellCheck;
 
@@ -126,6 +120,17 @@ namespace TweetDuck.Core.Other.Settings{
             }
 
             comboBoxTranslationTarget.SelectedItem = new LocaleUtils.Item(Config.TranslationTarget);
+
+            var daysOfWeek = comboBoxFirstDayOfWeek.Items;
+            daysOfWeek.Add("(based on system locale)");
+            daysOfWeek.Add(new DayOfWeekItem("Monday", DayOfWeek.Monday));
+            daysOfWeek.Add(new DayOfWeekItem("Tuesday", DayOfWeek.Tuesday));
+            daysOfWeek.Add(new DayOfWeekItem("Wednesday", DayOfWeek.Wednesday));
+            daysOfWeek.Add(new DayOfWeekItem("Thursday", DayOfWeek.Thursday));
+            daysOfWeek.Add(new DayOfWeekItem("Friday", DayOfWeek.Friday));
+            daysOfWeek.Add(new DayOfWeekItem("Saturday", DayOfWeek.Saturday));
+            daysOfWeek.Add(new DayOfWeekItem("Sunday", DayOfWeek.Sunday));
+            comboBoxFirstDayOfWeek.SelectedItem = daysOfWeek.OfType<DayOfWeekItem>().FirstOrDefault(dow => dow.Id == Config.CalendarFirstDay) ?? daysOfWeek[0];
         }
 
         public override void OnReady(){
@@ -137,21 +142,22 @@ namespace TweetDuck.Core.Other.Settings{
             checkAnimatedAvatars.CheckedChanged += checkAnimatedAvatars_CheckedChanged;
             trackBarZoom.ValueChanged += trackBarZoom_ValueChanged;
 
-            comboBoxTrayType.SelectedIndexChanged += comboBoxTrayType_SelectedIndexChanged;
-            checkTrayHighlight.CheckedChanged += checkTrayHighlight_CheckedChanged;
-            
             checkUpdateNotifications.CheckedChanged += checkUpdateNotifications_CheckedChanged;
             btnCheckUpdates.Click += btnCheckUpdates_Click;
 
             checkSmoothScrolling.CheckedChanged += checkSmoothScrolling_CheckedChanged;
             checkTouchAdjustment.CheckedChanged += checkTouchAdjustment_CheckedChanged;
             checkHardwareAcceleration.CheckedChanged += checkHardwareAcceleration_CheckedChanged;
-            comboBoxBrowserPath.SelectedIndexChanged += comboBoxBrowserPath_SelectedIndexChanged;
+            comboBoxCustomBrowser.SelectedIndexChanged += comboBoxCustomBrowser_SelectedIndexChanged;
+            btnCustomBrowserChange.Click += btnCustomBrowserChange_Click;
+            comboBoxCustomVideoPlayer.SelectedIndexChanged += comboBoxCustomVideoPlayer_SelectedIndexChanged;
+            btnCustomVideoPlayerChange.Click += btnCustomVideoPlayerChange_Click;
             comboBoxSearchEngine.SelectedIndexChanged += comboBoxSearchEngine_SelectedIndexChanged;
 
             checkSpellCheck.CheckedChanged += checkSpellCheck_CheckedChanged;
             comboBoxSpellCheckLanguage.SelectedValueChanged += comboBoxSpellCheckLanguage_SelectedValueChanged;
             comboBoxTranslationTarget.SelectedValueChanged += comboBoxTranslationTarget_SelectedValueChanged;
+            comboBoxFirstDayOfWeek.SelectedValueChanged += comboBoxFirstDayOfWeek_SelectedValueChanged;
         }
 
         public override void OnClosing(){
@@ -198,18 +204,6 @@ namespace TweetDuck.Core.Other.Settings{
             zoomUpdateTimer.Stop();
         }
 
-        #endregion
-        #region System Tray
-        
-        private void comboBoxTrayType_SelectedIndexChanged(object sender, EventArgs e){
-            Config.TrayBehavior = (TrayIcon.Behavior)comboBoxTrayType.SelectedIndex;
-            checkTrayHighlight.Enabled = Config.TrayBehavior.ShouldDisplayIcon();
-        }
-
-        private void checkTrayHighlight_CheckedChanged(object sender, EventArgs e){
-            Config.EnableTrayHighlight = checkTrayHighlight.Checked;
-        }
-
         #endregion
         #region Updates
         
@@ -253,43 +247,95 @@ namespace TweetDuck.Core.Other.Settings{
             SysConfig.HardwareAcceleration = checkHardwareAcceleration.Checked;
         }
 
+        private void UpdateBrowserChangeButton(){
+            btnCustomBrowserChange.Visible = comboBoxCustomBrowser.SelectedIndex == browserListIndexCustom;
+        }
+
         private void UpdateBrowserPathSelection(){
             if (string.IsNullOrEmpty(Config.BrowserPath) || !File.Exists(Config.BrowserPath)){
-                comboBoxBrowserPath.SelectedIndex = browserListIndexDefault;
+                comboBoxCustomBrowser.SelectedIndex = browserListIndexDefault;
             }
             else{
-                WindowsUtils.Browser browserInfo = comboBoxBrowserPath.Items.OfType<WindowsUtils.Browser>().FirstOrDefault(browser => browser.Path == Config.BrowserPath);
+                WindowsUtils.Browser browserInfo = comboBoxCustomBrowser.Items.OfType<WindowsUtils.Browser>().FirstOrDefault(browser => browser.Path == Config.BrowserPath);
 
-                if (browserInfo == null){
-                    comboBoxBrowserPath.SelectedIndex = browserListIndexCustom;
+                if (browserInfo == null || Config.BrowserPathArgs != null){
+                    comboBoxCustomBrowser.SelectedIndex = browserListIndexCustom;
                 }
                 else{
-                    comboBoxBrowserPath.SelectedItem = browserInfo;
+                    comboBoxCustomBrowser.SelectedItem = browserInfo;
                 }
             }
+
+            UpdateBrowserChangeButton();
+        }
+
+        private void comboBoxCustomBrowser_SelectedIndexChanged(object sender, EventArgs e){
+            if (comboBoxCustomBrowser.SelectedIndex == browserListIndexCustom){
+                btnCustomBrowserChange_Click(sender, e);
+            }
+            else{
+                Config.BrowserPath = (comboBoxCustomBrowser.SelectedItem as WindowsUtils.Browser)?.Path; // default browser item is a string and casts to null
+                Config.BrowserPathArgs = null;
+                UpdateBrowserChangeButton();
+            }
         }
 
-        private void comboBoxBrowserPath_SelectedIndexChanged(object sender, EventArgs e){
-            if (comboBoxBrowserPath.SelectedIndex == browserListIndexCustom){
-                using(OpenFileDialog dialog = new OpenFileDialog{
-                    AutoUpgradeEnabled = true,
-                    DereferenceLinks = true,
-                    InitialDirectory = Path.GetDirectoryName(Config.BrowserPath), // returns null if argument is null
-                    Title = "Open Links With...",
-                    Filter = "Executables (*.exe;*.bat;*.cmd)|*.exe;*.bat;*.cmd|All Files (*.*)|*.*"
-                }){
-                    if (dialog.ShowDialog() == DialogResult.OK){
-                        Config.BrowserPath = dialog.FileName;
-                    }
+        private void btnCustomBrowserChange_Click(object sender, EventArgs e){
+            using(DialogSettingsExternalProgram dialog = new DialogSettingsExternalProgram("External Browser", "Open Links With..."){
+                Path = Config.BrowserPath,
+                Args = Config.BrowserPathArgs
+            }){
+                if (dialog.ShowDialog() == DialogResult.OK){
+                    Config.BrowserPath = dialog.Path;
+                    Config.BrowserPathArgs = dialog.Args;
                 }
+            }
 
-                comboBoxBrowserPath.SelectedIndexChanged -= comboBoxBrowserPath_SelectedIndexChanged;
-                UpdateBrowserPathSelection();
-                comboBoxBrowserPath.SelectedIndexChanged += comboBoxBrowserPath_SelectedIndexChanged;
+            comboBoxCustomBrowser.SelectedIndexChanged -= comboBoxCustomBrowser_SelectedIndexChanged;
+            UpdateBrowserPathSelection();
+            comboBoxCustomBrowser.SelectedIndexChanged += comboBoxCustomBrowser_SelectedIndexChanged;
+        }
+
+        private void UpdateVideoPlayerChangeButton(){
+            btnCustomVideoPlayerChange.Visible = comboBoxCustomVideoPlayer.SelectedIndex == videoPlayerListIndexCustom;
+        }
+
+        private void UpdateVideoPlayerPathSelection(){
+            if (string.IsNullOrEmpty(Config.VideoPlayerPath) || !File.Exists(Config.VideoPlayerPath)){
+                comboBoxCustomVideoPlayer.SelectedIndex = videoPlayerListIndexDefault;
             }
             else{
-                Config.BrowserPath = (comboBoxBrowserPath.SelectedItem as WindowsUtils.Browser)?.Path; // default browser item is a string and casts to null
+                comboBoxCustomVideoPlayer.SelectedIndex = videoPlayerListIndexCustom;
             }
+
+            UpdateVideoPlayerChangeButton();
+        }
+
+        private void comboBoxCustomVideoPlayer_SelectedIndexChanged(object sender, EventArgs e){
+            if (comboBoxCustomVideoPlayer.SelectedIndex == videoPlayerListIndexCustom){
+                btnCustomVideoPlayerChange_Click(sender, e);
+            }
+            else{
+                Config.VideoPlayerPath = null;
+                Config.VideoPlayerPathArgs = null;
+                UpdateVideoPlayerChangeButton();
+            }
+        }
+
+        private void btnCustomVideoPlayerChange_Click(object sender, EventArgs e){
+            using(DialogSettingsExternalProgram dialog = new DialogSettingsExternalProgram("External Video Player", "Play Videos With..."){
+                Path = Config.VideoPlayerPath,
+                Args = Config.VideoPlayerPathArgs
+            }){
+                if (dialog.ShowDialog() == DialogResult.OK){
+                    Config.VideoPlayerPath = dialog.Path;
+                    Config.VideoPlayerPathArgs = dialog.Args;
+                }
+            }
+
+            comboBoxCustomVideoPlayer.SelectedIndexChanged -= comboBoxCustomVideoPlayer_SelectedIndexChanged;
+            UpdateVideoPlayerPathSelection();
+            comboBoxCustomVideoPlayer.SelectedIndexChanged += comboBoxCustomVideoPlayer_SelectedIndexChanged;
         }
 
         private void comboBoxSearchEngine_SelectedIndexChanged(object sender, EventArgs e){
@@ -355,6 +401,24 @@ namespace TweetDuck.Core.Other.Settings{
             Config.TranslationTarget = (comboBoxTranslationTarget.SelectedItem as LocaleUtils.Item)?.Code ?? "en";
         }
 
+        private void comboBoxFirstDayOfWeek_SelectedValueChanged(object sender, EventArgs e){
+            Config.CalendarFirstDay = (comboBoxFirstDayOfWeek.SelectedItem as DayOfWeekItem)?.Id ?? -1;
+        }
+
+        private sealed class DayOfWeekItem{
+            private string Name { get; }
+            public int Id { get; }
+
+            public DayOfWeekItem(string name, DayOfWeek dow){
+                Name = name;
+                Id = LocaleUtils.GetJQueryDayOfWeek(dow);
+            }
+            
+            public override int GetHashCode() => Name.GetHashCode();
+            public override bool Equals(object obj) => obj is DayOfWeekItem other && Name == other.Name;
+            public override string ToString() => Name;
+        }
+
         #endregion
     }
 }

Core/Other/Settings/TabSettingsTray.Designer.cs

@@ -0,0 +1,131 @@
+namespace TweetDuck.Core.Other.Settings {
+    partial class TabSettingsTray {
+        /// <summary> 
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary> 
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Component Designer generated code
+
+        /// <summary> 
+        /// Required method for Designer support - do not modify 
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.components = new System.ComponentModel.Container();
+            this.toolTip = new System.Windows.Forms.ToolTip(this.components);
+            this.flowPanelLeft = new System.Windows.Forms.FlowLayoutPanel();
+            this.labelTray = new System.Windows.Forms.Label();
+            this.comboBoxTrayType = new System.Windows.Forms.ComboBox();
+            this.labelTrayIcon = new System.Windows.Forms.Label();
+            this.checkTrayHighlight = new System.Windows.Forms.CheckBox();
+            this.flowPanelRight = new System.Windows.Forms.FlowLayoutPanel();
+            this.flowPanelLeft.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // flowPanelLeft
+            // 
+            this.flowPanelLeft.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left)));
+            this.flowPanelLeft.Controls.Add(this.labelTray);
+            this.flowPanelLeft.Controls.Add(this.comboBoxTrayType);
+            this.flowPanelLeft.Controls.Add(this.labelTrayIcon);
+            this.flowPanelLeft.Controls.Add(this.checkTrayHighlight);
+            this.flowPanelLeft.FlowDirection = System.Windows.Forms.FlowDirection.TopDown;
+            this.flowPanelLeft.Location = new System.Drawing.Point(9, 9);
+            this.flowPanelLeft.Name = "flowPanelLeft";
+            this.flowPanelLeft.Size = new System.Drawing.Size(300, 462);
+            this.flowPanelLeft.TabIndex = 0;
+            this.flowPanelLeft.WrapContents = false;
+            // 
+            // labelTray
+            // 
+            this.labelTray.AutoSize = true;
+            this.labelTray.Font = new System.Drawing.Font("Segoe UI Semibold", 10.5F, System.Drawing.FontStyle.Bold);
+            this.labelTray.Location = new System.Drawing.Point(0, 0);
+            this.labelTray.Margin = new System.Windows.Forms.Padding(0, 0, 0, 1);
+            this.labelTray.Name = "labelTray";
+            this.labelTray.Size = new System.Drawing.Size(99, 19);
+            this.labelTray.TabIndex = 0;
+            this.labelTray.Text = "SYSTEM TRAY";
+            // 
+            // comboBoxTrayType
+            // 
+            this.comboBoxTrayType.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.comboBoxTrayType.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.comboBoxTrayType.FormattingEnabled = true;
+            this.comboBoxTrayType.Location = new System.Drawing.Point(5, 24);
+            this.comboBoxTrayType.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
+            this.comboBoxTrayType.Name = "comboBoxTrayType";
+            this.comboBoxTrayType.Size = new System.Drawing.Size(144, 23);
+            this.comboBoxTrayType.TabIndex = 1;
+            // 
+            // labelTrayIcon
+            // 
+            this.labelTrayIcon.AutoSize = true;
+            this.labelTrayIcon.Font = new System.Drawing.Font("Segoe UI Semibold", 9F, System.Drawing.FontStyle.Bold);
+            this.labelTrayIcon.Location = new System.Drawing.Point(3, 59);
+            this.labelTrayIcon.Margin = new System.Windows.Forms.Padding(3, 9, 3, 0);
+            this.labelTrayIcon.Name = "labelTrayIcon";
+            this.labelTrayIcon.Size = new System.Drawing.Size(56, 15);
+            this.labelTrayIcon.TabIndex = 2;
+            this.labelTrayIcon.Text = "Tray Icon";
+            // 
+            // checkTrayHighlight
+            // 
+            this.checkTrayHighlight.AutoSize = true;
+            this.checkTrayHighlight.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.checkTrayHighlight.Location = new System.Drawing.Point(6, 80);
+            this.checkTrayHighlight.Margin = new System.Windows.Forms.Padding(6, 6, 3, 2);
+            this.checkTrayHighlight.Name = "checkTrayHighlight";
+            this.checkTrayHighlight.Size = new System.Drawing.Size(114, 19);
+            this.checkTrayHighlight.TabIndex = 3;
+            this.checkTrayHighlight.Text = "Enable Highlight";
+            this.checkTrayHighlight.UseVisualStyleBackColor = true;
+            // 
+            // flowPanelRight
+            // 
+            this.flowPanelRight.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left)));
+            this.flowPanelRight.FlowDirection = System.Windows.Forms.FlowDirection.TopDown;
+            this.flowPanelRight.Location = new System.Drawing.Point(322, 9);
+            this.flowPanelRight.Name = "flowPanelRight";
+            this.flowPanelRight.Size = new System.Drawing.Size(300, 462);
+            this.flowPanelRight.TabIndex = 1;
+            this.flowPanelRight.WrapContents = false;
+            // 
+            // TabSettingsTray
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.Controls.Add(this.flowPanelRight);
+            this.Controls.Add(this.flowPanelLeft);
+            this.Name = "TabSettingsTray";
+            this.Size = new System.Drawing.Size(631, 480);
+            this.flowPanelLeft.ResumeLayout(false);
+            this.flowPanelLeft.PerformLayout();
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+        private System.Windows.Forms.ToolTip toolTip;
+        private System.Windows.Forms.FlowLayoutPanel flowPanelLeft;
+        private System.Windows.Forms.Label labelTray;
+        private System.Windows.Forms.ComboBox comboBoxTrayType;
+        private System.Windows.Forms.Label labelTrayIcon;
+        private System.Windows.Forms.CheckBox checkTrayHighlight;
+        private System.Windows.Forms.FlowLayoutPanel flowPanelRight;
+    }
+}

Core/Other/Settings/TabSettingsTray.cs

@@ -0,0 +1,42 @@
+using System;
+
+namespace TweetDuck.Core.Other.Settings{
+    sealed partial class TabSettingsTray : BaseTabSettings{
+        public TabSettingsTray(){
+            InitializeComponent();
+
+            // system tray
+            
+            toolTip.SetToolTip(comboBoxTrayType, "Changes behavior of the Tray icon.\r\nRight-click the icon for an action menu.");
+            toolTip.SetToolTip(checkTrayHighlight, "Highlights the tray icon if there are new tweets.\r\nOnly works for columns with popup or audio notifications.\r\nThe icon resets when the main window is restored.");
+
+            comboBoxTrayType.Items.Add("Disabled");
+            comboBoxTrayType.Items.Add("Display Icon Only");
+            comboBoxTrayType.Items.Add("Minimize to Tray");
+            comboBoxTrayType.Items.Add("Close to Tray");
+            comboBoxTrayType.Items.Add("Combined");
+            comboBoxTrayType.SelectedIndex = Math.Min(Math.Max((int)Config.TrayBehavior, 0), comboBoxTrayType.Items.Count - 1);
+
+            checkTrayHighlight.Enabled = Config.TrayBehavior.ShouldDisplayIcon();
+            checkTrayHighlight.Checked = Config.EnableTrayHighlight;
+        }
+
+        public override void OnReady(){
+            comboBoxTrayType.SelectedIndexChanged += comboBoxTrayType_SelectedIndexChanged;
+            checkTrayHighlight.CheckedChanged += checkTrayHighlight_CheckedChanged;
+        }
+
+        #region System Tray
+        
+        private void comboBoxTrayType_SelectedIndexChanged(object sender, EventArgs e){
+            Config.TrayBehavior = (TrayIcon.Behavior)comboBoxTrayType.SelectedIndex;
+            checkTrayHighlight.Enabled = Config.TrayBehavior.ShouldDisplayIcon();
+        }
+
+        private void checkTrayHighlight_CheckedChanged(object sender, EventArgs e){
+            Config.EnableTrayHighlight = checkTrayHighlight.Checked;
+        }
+
+        #endregion
+    }
+}

Core/TweetDeckBrowser.cs

@@ -273,7 +273,7 @@ namespace TweetDuck.Core{
         }
 
         public void OpenDevTools(){
-            browser.ShowDevTools();
+            browser.OpenDevToolsCustom();
         }
     }
 }

Core/Utils/BrowserUtils.cs

@@ -78,8 +78,21 @@ namespace TweetDuck.Core.Utils{
             };
         }
 
+        public static void OpenDevToolsCustom(this IWebBrowser browser){
+            var info = new WindowInfo();
+            info.SetAsPopup(IntPtr.Zero, "Dev Tools");
+
+            if (Config.DevToolsWindowOnTop){
+                info.ExStyle |= 0x00000008; // WS_EX_TOPMOST
+            }
+
+            browser.GetBrowserHost().ShowDevTools(info);
+        }
+
         public static void OpenExternalBrowser(string url){
-            if (string.IsNullOrWhiteSpace(url))return;
+            if (string.IsNullOrWhiteSpace(url)){
+                return;
+            }
 
             switch(TwitterUrls.Check(url)){
                 case TwitterUrls.UrlType.Fine:
@@ -93,8 +106,11 @@ namespace TweetDuck.Core.Utils{
                             WindowsUtils.OpenAssociatedProgram(url);
                         }
                         else{
+                            string quotedUrl = '"' + url + '"';
+                            string browserArgs = Config.BrowserPathArgs == null ? quotedUrl : Config.BrowserPathArgs + ' ' + quotedUrl;
+
                             try{
-                                using(Process.Start(browserPath, url)){}
+                                using(Process.Start(browserPath, browserArgs)){}
                             }catch(Exception e){
                                 Program.Reporter.HandleException("Error Opening Browser", "Could not open the browser.", true, e);
                             }
@@ -128,7 +144,7 @@ namespace TweetDuck.Core.Utils{
                     break;
 
                 case TwitterUrls.UrlType.Invalid:
-                    FormMessage.Warning("Blocked URL", "A potentially malicious URL was blocked from opening:\n" + url, FormMessage.OK);
+                    FormMessage.Warning("Blocked URL", "A potentially malicious or invalid URL was blocked from opening:\n" + url, FormMessage.OK);
                     break;
             }
         }

Resources/Scripts/code.js

@@ -945,31 +945,42 @@
   // Block: Allow drag & drop behavior for dropping links on columns to open their detail view.
   //
   execSafe(function supportDragDropOverColumns(){
-    const tweetRegex = /^https?:\/\/twitter\.com\/[A-Za-z0-9_]+\/status\/(\d+)\/?\??/;
-    const selector = "section.js-column";
+    const regexTweet = /^https?:\/\/twitter\.com\/[A-Za-z0-9_]+\/status\/(\d+)\/?\??/;
+    const regexAccount = /^https?:\/\/twitter\.com\/(?!signup$|tos$|privacy$|search$|search-)([^/?]+)\/?$/;
     
-    let isDraggingValid = false;
+    let dragType = false;
     
     const events = {
       dragover: function(e){
-        e.originalEvent.dataTransfer.dropEffect = isDraggingValid ? "all" : "none";
+        e.originalEvent.dataTransfer.dropEffect = dragType ? "all" : "none";
         e.preventDefault();
         e.stopPropagation();
       },
       
       drop: function(e){
-        let match = tweetRegex.exec(e.originalEvent.dataTransfer.getData("URL"));
+        let url = e.originalEvent.dataTransfer.getData("URL");
         
-        if (match.length === 2){
-          let column = TD.controller.columnManager.get($(this).attr("data-column"));
+        if (dragType === "tweet"){
+          let match = regexTweet.exec(url);
           
-          if (column){
-            TD.controller.clients.getPreferredClient().show(match[1], function(chirp){
-              TD.ui.updates.showDetailView(column, chirp, column.findChirp(chirp) || chirp);
-              $(document).trigger("uiGridClearSelection");
-            }, function(){
-              alert("error|Could not retrieve the requested tweet.");
-            });
+          if (match.length === 2){
+            let column = TD.controller.columnManager.get($(this).attr("data-column"));
+            
+            if (column){
+              TD.controller.clients.getPreferredClient().show(match[1], function(chirp){
+                TD.ui.updates.showDetailView(column, chirp, column.findChirp(chirp) || chirp);
+                $(document).trigger("uiGridClearSelection");
+              }, function(){
+                alert("error|Could not retrieve the requested tweet.");
+              });
+            }
+          }
+        }
+        else if (dragType === "account"){
+          let match = regexAccount.exec(url);
+          
+          if (match.length === 2){
+            $(document).trigger("uiShowProfile", { id: match[1] });
           }
         }
         
@@ -978,13 +989,20 @@
       }
     };
     
+    const selectors = {
+      tweet: "section.js-column",
+      account: app
+    };
+    
     window.TDGF_onGlobalDragStart = function(type, data){
-      if (type === "link"){
-        isDraggingValid = tweetRegex.test(data);
-        app.delegate(selector, events);
+      if (dragType){
+        app.undelegate(selectors[dragType], events);
+        dragType = null;
       }
-      else{
-        app.undelegate(selector, events);
+      
+      if (type === "link"){
+        dragType = regexTweet.test(data) ? "tweet" : regexAccount.test(data) ? "account": null;
+        app.delegate(selectors[dragType], events);
       }
     };
   });
@@ -1065,6 +1083,19 @@
     });
   });
   
+  //
+  // Block: Allow changing first day of week in date picker.
+  //
+  if (ensurePropertyExists($, "tools", "dateinput", "conf", "firstDay")){
+    $.tools.dateinput.conf.firstDay = $TDX.firstDayOfWeek;
+    
+    onAppReady.push(function setupDatePickerFirstDayCallback(){
+      window.TDGF_registerPropertyUpdateCallback(function($TDX){
+        $.tools.dateinput.conf.firstDay = $TDX.firstDayOfWeek;
+      });
+    });
+  }
+  
   //
   // Block: Make middle click on tweet reply icon open the compose drawer, retweet icon trigger a quote, and favorite icon open a 'Like from accounts...' modal.
   //
@@ -1212,14 +1243,14 @@
   // Block: Setup video player hooks.
   //
   execSafe(function setupVideoPlayer(){
-    window.TDGF_playVideo = function(url, username){
-      return if !url;
+    window.TDGF_playVideo = function(videoUrl, tweetUrl, username){
+      return if !videoUrl;
       
-      $('<div id="td-video-player-overlay" class="ovl" style="display:block"></div>').on("click contextmenu", function(){
-        $TD.playVideo(null, null);
-      }).appendTo(app);
-      
-      $TD.playVideo(url, username || null);
+      $TD.playVideo(videoUrl, tweetUrl || videoUrl, username || null, function(){
+        $('<div id="td-video-player-overlay" class="ovl" style="display:block"></div>').on("click contextmenu", function(){
+          $TD.stopVideo();
+        }).appendTo(app);
+      });
     };
     
     const getGifLink = function(ele){
@@ -1239,13 +1270,14 @@
     app.delegate(".js-gif-play", {
       click: function(e){
         let src = !e.ctrlKey && getGifLink($(this).closest(".js-media-gif-container").find("video"));
+        let tweet = getVideoTweetLink($(this));
         
         if (src){
           let hovered = getHoveredTweet();
-          window.TDGF_playVideo(src, getUsername(hovered && hovered.obj));
+          window.TDGF_playVideo(src, tweet, getUsername(hovered && hovered.obj));
         }
         else{
-          $TD.openBrowser(getVideoTweetLink($(this)));
+          $TD.openBrowser(tweet);
         }
         
         e.stopPropagation();
@@ -1279,7 +1311,7 @@
       let media = this.chirp.getMedia().find(media => media.mediaId === this.clickedMediaEntityId);
       
       if (media && media.isVideo && media.service === "twitter"){
-        window.TDGF_playVideo(media.chooseVideoVariant().url, getUsername(this.chirp));
+        window.TDGF_playVideo(media.chooseVideoVariant().url, this.chirp.getChirpURL(), getUsername(this.chirp));
         cancelModal = true;
       }
     });
@@ -1697,6 +1729,21 @@
     window.TDGF_reload = function(){}; // redefine to prevent reloading multiple times
   };
   
+  //
+  // Block: Setup global functions to respond to updating $TDX properties.
+  //
+  (function(){
+    var callbacks = [];
+    
+    window.TDGF_registerPropertyUpdateCallback = function(callback){
+      callbacks.push(callback);
+    };
+    
+    window.TDGF_onPropertiesUpdated = function(){
+      callbacks.forEach(func => func($TDX));
+    };
+  })();
+  
   //
   // Block: Disable default TweetDeck update notification.
   //

Resources/Scripts/plugins.browser.js

@@ -120,10 +120,19 @@
   // Block: Setup bridges to global functions.
   //
   window.TDPF_getColumnName = window.TDGF_getColumnName;
-  window.TDPF_playVideo = window.TDGF_playVideo;
   window.TDPF_reloadColumns = window.TDGF_reloadColumns;
   window.TDPF_prioritizeNewestEvent = window.TDGF_prioritizeNewestEvent;
   window.TDPF_injectMustache = window.TDGF_injectMustache;
+  window.TDPF_registerPropertyUpdateCallback = window.TDGF_registerPropertyUpdateCallback;
+  
+  window.TDPF_playVideo = function(urlOrObject, username){
+    if (typeof urlOrObject === "string"){
+      window.TDGF_playVideo(urlOrObject, null, username);
+    }
+    else{
+      window.TDGF_playVideo(urlOrObject.videoUrl, urlOrObject.tweetUrl, urlOrObject.username);
+    }
+  };
   
   #import "scripts/plugins.base.js"
 })();

TweetDuck.csproj

@@ -156,6 +156,12 @@
     <Compile Include="Core\Other\Settings\Dialogs\DialogSettingsAnalytics.Designer.cs">
       <DependentUpon>DialogSettingsAnalytics.cs</DependentUpon>
     </Compile>
+    <Compile Include="Core\Other\Settings\Dialogs\DialogSettingsExternalProgram.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="Core\Other\Settings\Dialogs\DialogSettingsExternalProgram.Designer.cs">
+      <DependentUpon>DialogSettingsExternalProgram.cs</DependentUpon>
+    </Compile>
     <Compile Include="Core\Other\Settings\Dialogs\DialogSettingsSearchEngine.cs">
       <SubType>Form</SubType>
     </Compile>
@@ -192,6 +198,12 @@
     <Compile Include="Core\Other\Settings\TabSettingsFeedback.Designer.cs">
       <DependentUpon>TabSettingsFeedback.cs</DependentUpon>
     </Compile>
+    <Compile Include="Core\Other\Settings\TabSettingsTray.cs">
+      <SubType>UserControl</SubType>
+    </Compile>
+    <Compile Include="Core\Other\Settings\TabSettingsTray.Designer.cs">
+      <DependentUpon>TabSettingsTray.cs</DependentUpon>
+    </Compile>
     <Compile Include="Core\TweetDeckBrowser.cs" />
     <Compile Include="Core\Utils\TwitterUtils.cs" />
     <Compile Include="Core\Management\ProfileManager.cs" />

lib/TweetLib.Core/Features/Twitter/TwitterUrls.cs

@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 using System.Text.RegularExpressions;
+using TweetLib.Core.Utils;
 
 namespace TweetLib.Core.Features.Twitter{
     public static class TwitterUrls{
@@ -22,8 +23,7 @@ namespace TweetLib.Core.Features.Twitter{
         }
 
         public static string? GetFileNameFromUrl(string url){
-            string file = Path.GetFileName(new Uri(url).AbsolutePath);
-            return string.IsNullOrEmpty(file) ? null : file;
+            return StringUtils.NullIfEmpty(Path.GetFileName(new Uri(url).AbsolutePath));
         }
 
         public static string GetMediaLink(string url, ImageQuality quality){
@@ -39,6 +39,10 @@ namespace TweetLib.Core.Features.Twitter{
         }
 
         public static UrlType Check(string url){
+            if (url.Contains("\"")){
+                return UrlType.Invalid;
+            }
+
             if (Uri.TryCreate(url, UriKind.Absolute, out Uri uri)){
                 string scheme = uri.Scheme;
 

lib/TweetLib.Core/Lib.cs

@@ -4,7 +4,7 @@ using System.Threading;
 namespace TweetLib.Core{
     public static class Lib{
         public const string BrandName = "TweetDuck";
-        public const string VersionTag = "1.18.2";
+        public const string VersionTag = "1.18.3";
 
         public static CultureInfo Culture { get; private set; }
 

lib/TweetLib.Core/Utils/LocaleUtils.cs

@@ -28,6 +28,18 @@ namespace TweetLib.Core.Utils{
             "th", "tr", "uk", "vi", "ar", "fa"
         }.Select(code => new Item(code)).OrderBy(code => code).ToList();
 
+        public static int GetJQueryDayOfWeek(DayOfWeek dow){
+            return dow switch{
+                DayOfWeek.Monday    => 1,
+                DayOfWeek.Tuesday   => 2,
+                DayOfWeek.Wednesday => 3,
+                DayOfWeek.Thursday  => 4,
+                DayOfWeek.Friday    => 5,
+                DayOfWeek.Saturday  => 6,
+                _                   => 0
+            };
+        }
+
         public sealed class Item : IComparable<Item>{
             public string Code { get; }
 

lib/TweetLib.Core/Utils/StringUtils.cs

@@ -6,6 +6,10 @@ namespace TweetLib.Core.Utils{
     public static class StringUtils{
         public static readonly string[] EmptyArray = new string[0];
 
+        public static string? NullIfEmpty(string str){
+            return string.IsNullOrEmpty(str) ? null : str;
+        }
+
         public static (string before, string after)? SplitInTwo(string str, char search, int startIndex = 0){
             int index = str.IndexOf(search, startIndex);