implement #245

Author: Yatao Li

Program.fs

@@ -84,6 +84,7 @@ let startMainWindow app opts =
         (mainwinVM.WindowState.ToString()) 
         (backgroundCompositionToString states.background_composition) 
         mainwinVM.CustomTitleBar
+        mainwinVM.NoTitleBar
     0
 
 let startCrashReportWindow app ex = 

ViewModels/FrameViewModel.fs

@@ -44,6 +44,7 @@ type FrameViewModel(cfg: config.ConfigObject.Workspace option, ?_maingrid: GridV
 
     let mutable m_windowState = WindowState.Normal
     let mutable m_customTitleBar = false
+    let mutable m_noTitleBar = false
     let mutable m_fullscreen = false
     let mutable m_title = "FVim"
 
@@ -94,6 +95,9 @@ type FrameViewModel(cfg: config.ConfigObject.Workspace option, ?_maingrid: GridV
             match cfg.Mainwin.CustomTitleBar with
             | Some true -> m_customTitleBar <- true
             | _ -> ()
+            match cfg.Mainwin.NoTitleBar with
+            | Some true -> m_noTitleBar <- true
+            | _ -> ()
         | _, Some grid ->
             this.Height <- grid.BufferHeight
             this.Width <- grid.BufferWidth
@@ -103,11 +107,15 @@ type FrameViewModel(cfg: config.ConfigObject.Workspace option, ?_maingrid: GridV
                 match cfg.Mainwin.CustomTitleBar with
                 | Some true -> m_customTitleBar <- true
                 | _ -> ()
+                match cfg.Mainwin.NoTitleBar with
+                | Some true -> m_noTitleBar <- true
+                | _ -> ()
             | _ -> ()
         | _ -> ()
         this.Watch [
             rpc.register.notify "ToggleFullScreen" (fun _ -> toggleFullScreen())
             rpc.register.notify "CustomTitleBar"   (fun [| Bool(v) |] -> this.CustomTitleBar <- v )
+            rpc.register.notify "NoTitleBar"   (fun [| Bool(v) |] -> this.NoTitleBar <- v )
             rpc.register.watch "background.image"  (fun _ -> updateBackgroundImage())
         ]
         match _maingrid with
@@ -141,21 +149,35 @@ type FrameViewModel(cfg: config.ConfigObject.Workspace option, ?_maingrid: GridV
 
     member this.CustomTitleBarHeight 
         with get() =
-            if this.CustomTitleBar && (not this.Fullscreen) then GridLength 26.0
-            else GridLength 0.0
+            GridLength <|
+            if this.CustomTitleBar && (not this.Fullscreen) && (not this.NoTitleBar) then 26.0
+            else 0.0
 
     member this.BorderSize 
         with get() =
-            if this.CustomTitleBar && (not this.Fullscreen) && (this.WindowState <> WindowState.Maximized) 
-            then GridLength 1.0
-            else GridLength 0.0
+            GridLength <|
+            if (this.NoSystemTitleBar) && (not this.Fullscreen) && (this.WindowState <> WindowState.Maximized) 
+            then 1.0
+            else 0.0
 
     member this.CustomTitleBar
         with get() = m_customTitleBar
         and set(v) = 
             ignore <| this.RaiseAndSetIfChanged(&m_customTitleBar, v)
             this.RaisePropertyChanged("CustomTitleBarHeight")
             this.RaisePropertyChanged("BorderSize")
+            this.RaisePropertyChanged("NoSystemTitleBar")
+
+    member this.NoTitleBar
+        with get() = m_noTitleBar
+        and set(v) = 
+            ignore <| this.RaiseAndSetIfChanged(&m_noTitleBar, v)
+            this.RaisePropertyChanged("CustomTitleBarHeight")
+            this.RaisePropertyChanged("BorderSize")
+            this.RaisePropertyChanged("NoSystemTitleBar")
+
+    member __.NoSystemTitleBar
+        with get() = m_customTitleBar || m_noTitleBar
 
     member __.BackgroundImage with get(): IBitmap = m_bgimg_src :> IBitmap
     member __.BackgroundImageHAlign with get(): HorizontalAlignment = m_bgimg_halign
@@ -174,6 +196,7 @@ type FrameViewModel(cfg: config.ConfigObject.Workspace option, ?_maingrid: GridV
         member __.Sync(_other: IFrame) =
             let that = _other :?> FrameViewModel
             m_customTitleBar <- that.CustomTitleBar
+            m_noTitleBar <- that.NoTitleBar
             m_bgimg_src <- that.BackgroundImage :?> Bitmap
             m_bgimg_halign <- that.BackgroundImageHAlign
             m_bgimg_valign <- that.BackgroundImageVAlign

Views/Frame.xaml.fs

@@ -65,15 +65,15 @@ type Frame() as this =
     let setCursor c =
         this.Cursor <- c
 
-    let toggleTitleBar(custom) =
-        this.SystemDecorations <- if custom then SystemDecorations.BorderOnly else SystemDecorations.Full
+    let toggleTitleBar(noTitleBar) =
+        this.SystemDecorations <- if noTitleBar then SystemDecorations.BorderOnly else SystemDecorations.Full
 
     let toggleFullscreen(v) =
         if not v then
             this.WindowState <- m_saved_state
             this.PlatformImpl.Resize(m_saved_size)
             this.Position <- m_saved_pos
-            toggleTitleBar this.ViewModel.CustomTitleBar
+            toggleTitleBar this.ViewModel.NoSystemTitleBar
         else
             //  The order of actions is very important.
             //  1. Remove decorations
@@ -180,7 +180,7 @@ type Frame() as this =
     override this.OnDataContextChanged _ =
         let ctx = this.DataContext :?> FrameViewModel
         this.ViewModel <- ctx
-        toggleTitleBar ctx.CustomTitleBar
+        toggleTitleBar ctx.NoSystemTitleBar
 
         if ctx.MainGrid.Id = 1 then
             let pos = PixelPoint(int ctx.X, int ctx.Y)
@@ -227,5 +227,5 @@ type Frame() as this =
                 m_bgcolor <- c.Value
                 configBackground())
             ctx.ObservableForProperty((fun x -> x.Fullscreen), skipInitial=true).Subscribe(fun v -> toggleFullscreen <| v.GetValue())
-            ctx.ObservableForProperty((fun x -> x.CustomTitleBar), skipInitial=true).Subscribe(fun v -> toggleTitleBar <| v.GetValue())
+            ctx.ObservableForProperty((fun x -> x.NoSystemTitleBar), skipInitial=true).Subscribe(fun v -> toggleTitleBar <| v.GetValue())
         ]

config.fs

@@ -19,7 +19,8 @@ let sample_config = """
                 "h": 600,
                 "state": "Normal",
                 "BackgroundComposition": "acrylic",
-                "CustomTitleBar": false
+                "CustomTitleBar": false,
+                "NoTitleBar": false
             }
         },
         {
@@ -67,10 +68,10 @@ let save
     (cfg: ConfigObject.Root) 
     (x: int) (y: int) (w: int) (h: int) 
     (def_w: int) (def_h: int)
-    (state: string) (composition: string) (customTitleBar: bool) = 
+    (state: string) (composition: string) (customTitleBar: bool) (noTitleBar: bool) = 
     let dict = cfg.Workspace |> Array.map (fun ws -> (ws.Path, ws)) |> Map.ofArray
     let cwd  = Environment.CurrentDirectory |> Path.GetFullPath
-    let ws   = ConfigObject.Workspace(cwd, ConfigObject.Mainwin(x, y, w, h, state, Some composition, Some customTitleBar))
+    let ws   = ConfigObject.Workspace(cwd, ConfigObject.Mainwin(x, y, w, h, state, Some composition, Some customTitleBar, Some noTitleBar))
     let wss = dict.Add(cwd, ws)
     let defaults = ConfigObject.Default(def_w, def_h)
     let cfg  = ConfigObject.Root(wss |> Map.toArray |> Array.map snd, cfg.Logging, Some defaults)

fvim.vim

@@ -41,6 +41,7 @@ command! -complete=expression -nargs=1 FVimUIWildMenu call rpcnotify(g:fvim_chan
 
 command! -complete=expression -nargs=1 FVimDrawFPS call rpcnotify(g:fvim_channel, 'DrawFPS', <args>)
 command! -complete=expression -nargs=1 FVimCustomTitleBar call rpcnotify(g:fvim_channel, 'CustomTitleBar', <args>)
+command! -complete=expression -nargs=1 FVimNoTitleBar call rpcnotify(g:fvim_channel, 'NoTitleBar', <args>)
 
 command! -complete=expression -nargs=1 FVimBackgroundOpacity call rpcnotify(g:fvim_channel, 'background.opacity', <args>)
 command! -complete=expression -nargs=1 FVimBackgroundComposition call rpcnotify(g:fvim_channel, 'background.composition', <args>)