merge: high-DPI scaling & layout fixes (v0.2.2)

src/ETTerms/App/AboutView.cs

@@ -21,7 +21,7 @@ public sealed class AboutView : UserControl
         var left = new FlowLayoutPanel
         {
             Dock = DockStyle.Left, Width = 380, FlowDirection = FlowDirection.TopDown,
-            WrapContents = false, AutoScroll = false, Padding = new Padding(20),
+            WrapContents = false, AutoScroll = true, Padding = new Padding(20),
             BackColor = Theme.WorkspaceBack
         };
 
@@ -73,7 +73,7 @@ public sealed class AboutView : UserControl
         {
             var header = new Label
             {
-                AutoSize = false, Width = 500, Height = 22,
+                AutoSize = true,
                 Text = $"● v{entry.Version}  ·  {entry.Title}    ({entry.Date:yyyy-MM-dd})",
                 ForeColor = Theme.Accent, Font = Theme.UiFontBold,
                 Margin = new Padding(0, 8, 0, 2)
@@ -83,7 +83,7 @@ public sealed class AboutView : UserControl
             {
                 right.Controls.Add(new Label
                 {
-                    AutoSize = false, Width = 500, Height = 20,
+                    AutoSize = true,
                     Text = $"    • {change}",
                     ForeColor = Theme.Text, Font = Theme.UiFont,
                     Margin = new Padding(0)
@@ -99,18 +99,17 @@ public sealed class AboutView : UserControl
 
     private static Panel MakeCard(int width, int height, Action<FlowLayoutPanel> build)
     {
-        var card = new Panel
+        // 卡片本身就是 TopDown 的 AutoSize FlowLayoutPanel：高度永遠長到容得下內容
+        // （高 DPI 字變大也不會被裁），MinimumSize 維持 100% 的設計尺寸。
+        var card = new FlowLayoutPanel
         {
-            Width = width, Height = height, Margin = new Padding(0, 0, 0, 12),
+            FlowDirection = FlowDirection.TopDown, WrapContents = false,
+            AutoSize = true, AutoSizeMode = AutoSizeMode.GrowAndShrink,
+            MinimumSize = new Size(width, height),
+            Margin = new Padding(0, 0, 0, 12),
             BackColor = Theme.TabBack, Padding = new Padding(12)
         };
-        var flow = new FlowLayoutPanel
+        build(card);
-        {
-            Dock = DockStyle.Fill, FlowDirection = FlowDirection.TopDown,
-            WrapContents = false, BackColor = Theme.TabBack, AutoSize = false
-        };
-        build(flow);
-        card.Controls.Add(flow);
         return card;
     }
 
@@ -149,24 +148,31 @@ public sealed class AboutView : UserControl
     {
         return new Label
         {
-            AutoSize = false, Width = 310, Height = 20,
+            AutoSize = true,
             Text = text, Font = font, ForeColor = color,
-            TextAlign = align, Margin = new Padding(0)
+            TextAlign = align, Margin = new Padding(0, 1, 0, 1)
         };
     }
 
-    private static Panel MakeRow(string label, string value)
+    private static Control MakeRow(string label, string value)
     {
-        var row = new Panel { Width = 310, Height = 20, Margin = new Padding(0, 2, 0, 0), BackColor = Color.Transparent };
+        var row = new FlowLayoutPanel
+        {
+            AutoSize = true, AutoSizeMode = AutoSizeMode.GrowAndShrink,
+            FlowDirection = FlowDirection.LeftToRight, WrapContents = false,
+            Margin = new Padding(0, 2, 0, 0), BackColor = Color.Transparent
+        };
         row.Controls.Add(new Label
         {
-            Text = value, AutoSize = false, Width = 230, Height = 20, Dock = DockStyle.Right,
+            Text = label, AutoSize = true, MinimumSize = new Size(70, 0),
-            ForeColor = Theme.Text, Font = Theme.UiFont, TextAlign = ContentAlignment.MiddleRight
+            ForeColor = Theme.TextDim, Font = Theme.UiFont,
+            TextAlign = ContentAlignment.MiddleLeft, Margin = new Padding(0, 0, 8, 0)
         });
         row.Controls.Add(new Label
         {
-            Text = label, AutoSize = false, Width = 70, Height = 20, Dock = DockStyle.Left,
+            Text = value, AutoSize = true,
-            ForeColor = Theme.TextDim, Font = Theme.UiFont, TextAlign = ContentAlignment.MiddleLeft
+            ForeColor = Theme.Text, Font = Theme.UiFont,
+            TextAlign = ContentAlignment.MiddleLeft, Margin = new Padding(0)
         });
         return row;
     }

src/ETTerms/App/ActivityRail.cs

@@ -17,7 +17,9 @@ public sealed class ActivityRail : UserControl
     private RailView _active = RailView.Terminal;
     private RailView? _hover;
 
-    private const int ItemSize = 56;
+    private const int BaseItemSize = 56;
+    /// <summary>依目前螢幕 DPI 縮放的格子大小（owner-draw 不會自動縮放像素，需自己換算）。</summary>
+    private int ItemSize => (int)Math.Round(BaseItemSize * (DeviceDpi / 96.0));
     private static readonly (RailView view, string glyph, string tip)[] Items =
     {
         (RailView.Terminal, "▤", "Terminal"),
@@ -37,6 +39,19 @@ public sealed class ActivityRail : UserControl
         Cursor = Cursors.Hand;
     }
 
+    protected override void OnHandleCreated(EventArgs e)
+    {
+        base.OnHandleCreated(e);
+        Width = ItemSize;   // handle 建立後 DeviceDpi 才正確，依實際 DPI 重設寬度
+    }
+
+    protected override void OnDpiChangedAfterParent(EventArgs e)
+    {
+        base.OnDpiChangedAfterParent(e);
+        Width = ItemSize;   // 拖到不同縮放的螢幕時跟著調整
+        Invalidate();
+    }
+
     [System.ComponentModel.DesignerSerializationVisibility(
         System.ComponentModel.DesignerSerializationVisibility.Hidden)]
     public RailView ActiveView

src/ETTerms/App/ConnectionSidebar.cs

@@ -49,10 +49,11 @@ public sealed class ConnectionSidebar : UserControl
         BackColor = Theme.SidebarBack;
 
         // ── Tab bar (Sessions / SFTP) ──
+        // 高度 40 與右側 Workspace 工具列對齊，讓「CONNECTIONS / 連線清單」與右側分頁列同一條基準線
         var tabBar = new FlowLayoutPanel
         {
-            Dock = DockStyle.Top, Height = 30, BackColor = Theme.RailBack,
+            Dock = DockStyle.Top, Height = 40, BackColor = Theme.RailBack,
-            Padding = new Padding(4, 3, 4, 0), WrapContents = false
+            Padding = new Padding(4, 7, 4, 0), WrapContents = false
         };
 
         var sessionsPanel = new Panel { Dock = DockStyle.Fill, BackColor = Theme.SidebarBack };
@@ -63,7 +64,9 @@ public sealed class ConnectionSidebar : UserControl
         {
             var b = new Button
             {
-                Text = text, Width = 70, Height = 24, FlatStyle = FlatStyle.Flat,
+                Text = text, AutoSize = true, AutoSizeMode = AutoSizeMode.GrowAndShrink,
+                MinimumSize = new Size(70, 24), Padding = new Padding(8, 2, 8, 2),
+                FlatStyle = FlatStyle.Flat,
                 ForeColor = Theme.Text, BackColor = Theme.TabBack, Font = Theme.UiFont,
                 Margin = new Padding(0, 0, 4, 0), Cursor = Cursors.Hand
             };
@@ -217,7 +220,9 @@ public sealed class ConnectionSidebar : UserControl
         var sshCombo = new ComboBox { Width = 120, DropDownStyle = ComboBoxStyle.DropDownList, BackColor = Theme.TabBack, ForeColor = Theme.Text, Font = Theme.UiFont };
         var connectBtn = new Button
         {
-            Text = "Connect", Width = 64, Height = 24, FlatStyle = FlatStyle.Flat,
+            Text = "Connect", AutoSize = true, AutoSizeMode = AutoSizeMode.GrowAndShrink,
+            MinimumSize = new Size(64, 24), Padding = new Padding(8, 2, 8, 2),
+            FlatStyle = FlatStyle.Flat,
             ForeColor = Theme.Text, BackColor = Theme.TabBack, Font = Theme.UiFont, Cursor = Cursors.Hand, Margin = new Padding(4, 0, 0, 0)
         };
         connectBtn.FlatAppearance.BorderColor = Theme.SerialColor;

src/ETTerms/App/MainForm.Designer.cs

@@ -18,8 +18,10 @@ partial class MainForm
     {
         SuspendLayout();
 
-        AutoScaleDimensions = new SizeF(7F, 15F);
+        // 用 Dpi 自動縮放：尺寸縮放比例 = 螢幕 DPI 比例，與點數字型的實際渲染比例一致，
-        AutoScaleMode = AutoScaleMode.Font;
+        // 避免「字放大了、容器沒放大」造成的高 DPI 文字/按鈕被裁切。
+        AutoScaleDimensions = new SizeF(96F, 96F);
+        AutoScaleMode = AutoScaleMode.Dpi;
         ClientSize = new Size(1100, 700);
         MinimumSize = new Size(720, 480);
         BackColor = Theme.WorkspaceBack;

src/ETTerms/App/SettingsView.cs

@@ -33,7 +33,9 @@ public sealed class SettingsView : UserControl
 
             var b = new Button
             {
-                Text = text, AutoSize = false, Width = 80, Height = 26, FlatStyle = FlatStyle.Flat,
+                Text = text, AutoSize = true, AutoSizeMode = AutoSizeMode.GrowAndShrink,
+                MinimumSize = new Size(70, 26), Padding = new Padding(10, 2, 10, 2),
+                FlatStyle = FlatStyle.Flat,
                 ForeColor = Theme.Text, BackColor = Theme.TabBack, Font = Theme.UiFont,
                 Margin = new Padding(0, 0, 4, 0), Cursor = Cursors.Hand
             };
@@ -432,25 +434,27 @@ public sealed class SettingsView : UserControl
     }
 
     // ── Helpers ──
-    private const int LabelWidth = 150;   // 標籤欄固定寬度
+    private const int LabelWidth = 150;   // 標籤欄最小寬度
     private const int InputWidth = 200;   // 所有輸入框統一寬度
 
-    private static Panel MakeRow(string label, Control control)
+    private static Control MakeRow(string label, Control control)
     {
-        var row = new Panel { Width = LabelWidth + InputWidth, Height = 32, Margin = new Padding(0, 3, 0, 3) };
+        // 用 FlowLayout + AutoSize 標籤取代絕對定位，讓高 DPI 下標籤變寬也不會被裁、且對齊穩定
-
+        var row = new FlowLayoutPanel
-        // 統一輸入框寬度 + 左緣對齊（不再 Dock.Right，避免右對齊造成左緣參差）
+        {
-        control.Width = InputWidth;
+            AutoSize = true, AutoSizeMode = AutoSizeMode.GrowAndShrink,
-        int top = (row.Height - control.Height) / 2;
+            FlowDirection = FlowDirection.LeftToRight, WrapContents = false,
-        control.Location = new Point(LabelWidth, top < 0 ? 0 : top);
+            Margin = new Padding(0, 3, 0, 3), BackColor = Color.Transparent
-
+        };
+        var lbl = new Label
+        {
+            Text = label, AutoSize = true, MinimumSize = new Size(LabelWidth, 0),
+            ForeColor = Theme.Text, Font = Theme.UiFont,
+            TextAlign = ContentAlignment.MiddleLeft, Margin = new Padding(0, 6, 8, 0)
+        };
+        if (control.Width <= 0) control.Width = InputWidth;
+        row.Controls.Add(lbl);
         row.Controls.Add(control);
-        row.Controls.Add(new Label
-        {
-            Text = label, AutoSize = false, Width = LabelWidth, Height = row.Height,
-            Location = new Point(0, 0), ForeColor = Theme.Text, Font = Theme.UiFont,
-            TextAlign = ContentAlignment.MiddleLeft
-        });
         return row;
     }
 
@@ -458,7 +462,9 @@ public sealed class SettingsView : UserControl
     {
         var b = new Button
         {
-            Text = text, Width = 90, Height = 28, FlatStyle = FlatStyle.Flat,
+            Text = text, AutoSize = true, AutoSizeMode = AutoSizeMode.GrowAndShrink,
+            MinimumSize = new Size(90, 28), Padding = new Padding(10, 2, 10, 2),
+            FlatStyle = FlatStyle.Flat,
             ForeColor = Theme.Text, BackColor = Theme.TabBack, Font = Theme.UiFont,
             Cursor = Cursors.Hand, Margin = new Padding(8, 0, 0, 0)
         };

src/ETTerms/App/Workspace/WorkspaceView.cs

@@ -52,7 +52,8 @@ public sealed class WorkspaceView : UserControl
         BackColor = Theme.WorkspaceBack;
 
         // 頂部工具列容器：左側為 Layout/Run 群組（Fill），右側為 Log All（Dock Right）
-        var topBar = new Panel { Dock = DockStyle.Top, Height = 38, BackColor = Theme.RailBack };
+        // 高度 40 與左側 ConnectionSidebar 的 tab bar 對齊，且容得下 AutoSize 按鈕（不被裁切）
+        var topBar = new Panel { Dock = DockStyle.Top, Height = 40, BackColor = Theme.RailBack };
 
         _toolbar = new FlowLayoutPanel
         {
@@ -374,7 +375,9 @@ public sealed class WorkspaceView : UserControl
     {
         var b = new Button
         {
-            Text = label, AutoSize = false, Size = new Size(44, 26), FlatStyle = FlatStyle.Flat,
+            Text = label, AutoSize = true, AutoSizeMode = AutoSizeMode.GrowAndShrink,
+            MinimumSize = new Size(40, 26), Padding = new Padding(8, 2, 8, 2),
+            FlatStyle = FlatStyle.Flat,
             ForeColor = Theme.Text, BackColor = Theme.TabBack, Font = Theme.UiFont,
             Margin = new Padding(3, 0, 3, 0), Cursor = Cursors.Hand
         };
@@ -384,11 +387,13 @@ public sealed class WorkspaceView : UserControl
         return b;
     }
 
-    private static Button MakeActionButton(string text, int width, int leftMargin, EventHandler onClick)
+    private static Button MakeActionButton(string text, int minWidth, int leftMargin, EventHandler onClick)
     {
         var b = new Button
         {
-            Text = text, AutoSize = false, Size = new Size(width, 26), FlatStyle = FlatStyle.Flat,
+            Text = text, AutoSize = true, AutoSizeMode = AutoSizeMode.GrowAndShrink,
+            MinimumSize = new Size(minWidth, 26), Padding = new Padding(10, 2, 10, 2),
+            FlatStyle = FlatStyle.Flat,
             ForeColor = Theme.Text, BackColor = Theme.TabBack, Font = Theme.UiFont,
             Margin = new Padding(leftMargin, 0, 3, 0), Cursor = Cursors.Hand
         };

src/ETTerms/ETTerms.csproj

@@ -14,6 +14,9 @@
     <Product>ETTerms</Product>
     <Company>ETTerms Project</Company>
 
+    <!-- 高 DPI：PerMonitorV2，讓不同縮放比例的螢幕都能正確縮放、避免文字/按鈕被裁切 -->
+    <ApplicationHighDpiMode>PerMonitorV2</ApplicationHighDpiMode>
+
     <!-- 視窗 / 工作列 / exe 圖示 -->
     <ApplicationIcon>Assets\Choco_256x256.ico</ApplicationIcon>
   </PropertyGroup>