Version changed to 2.4; TODO features:

Application:
- Copy-Paste now uses System clipboard and it is possible to copy-paste from/to different instances of running program

Bugs fixed:
- Switching between symbols while select tool is active and small area selected trows an error
- Full frame Copy in Clipboard does not respect selection on Paste operation

McBitFont/Form1.Designer.cs

@@ -64,10 +64,12 @@
             openToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             saveToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             saveAsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
             importTextToolStripMenuItem1 = new System.Windows.Forms.ToolStripMenuItem();
             importImageToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             exportToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             exportFontLayoutPNGToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            toolStripSeparator2 = new System.Windows.Forms.ToolStripSeparator();
             exitToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             editToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             undoToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
@@ -84,6 +86,7 @@
             removeBeforeToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             removeAfterToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             CodeShiftToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            toolStripSeparator3 = new System.Windows.Forms.ToolStripSeparator();
             testFontToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             canvasToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             ClearToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
@@ -110,9 +113,6 @@
             lblSelection = new System.Windows.Forms.Label();
             lblModified = new System.Windows.Forms.Label();
             dlgSavePNG = new System.Windows.Forms.SaveFileDialog();
-            toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
-            toolStripSeparator2 = new System.Windows.Forms.ToolStripSeparator();
-            toolStripSeparator3 = new System.Windows.Forms.ToolStripSeparator();
             ((System.ComponentModel.ISupportInitialize)nudX).BeginInit();
             ((System.ComponentModel.ISupportInitialize)nudY).BeginInit();
             panel1.SuspendLayout();
@@ -535,7 +535,7 @@
             // 
             fileToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] { newToolStripMenuItem, openToolStripMenuItem, saveToolStripMenuItem, saveAsToolStripMenuItem, toolStripSeparator1, importTextToolStripMenuItem1, importImageToolStripMenuItem, exportToolStripMenuItem, exportFontLayoutPNGToolStripMenuItem, toolStripSeparator2, exitToolStripMenuItem });
             fileToolStripMenuItem.Name = "fileToolStripMenuItem";
-            fileToolStripMenuItem.Size = new System.Drawing.Size(122, 20);
+            fileToolStripMenuItem.Size = new System.Drawing.Size(37, 20);
             fileToolStripMenuItem.Text = "File";
             // 
             // newToolStripMenuItem
@@ -582,6 +582,11 @@
             saveAsToolStripMenuItem.ToolTipText = "Save changes to another file";
             saveAsToolStripMenuItem.Click += SaveToolStripMenuItem_Click;
             // 
+            // toolStripSeparator1
+            // 
+            toolStripSeparator1.Name = "toolStripSeparator1";
+            toolStripSeparator1.Size = new System.Drawing.Size(221, 6);
+            // 
             // importTextToolStripMenuItem1
             // 
             importTextToolStripMenuItem1.Image = Properties.Resources.folder_table;
@@ -620,6 +625,11 @@
             exportFontLayoutPNGToolStripMenuItem.ToolTipText = "Create an image with all a table showing all 256 symbols";
             exportFontLayoutPNGToolStripMenuItem.Click += ExportPNG;
             // 
+            // toolStripSeparator2
+            // 
+            toolStripSeparator2.Name = "toolStripSeparator2";
+            toolStripSeparator2.Size = new System.Drawing.Size(221, 6);
+            // 
             // exitToolStripMenuItem
             // 
             exitToolStripMenuItem.Image = Properties.Resources.Famfamfam_Silk_Door_out_16;
@@ -672,7 +682,6 @@
             // 
             // pasteToolStripMenuItem
             // 
-            pasteToolStripMenuItem.Enabled = false;
             pasteToolStripMenuItem.Image = Properties.Resources.Famfamfam_Silk_Page_paste_16;
             pasteToolStripMenuItem.Name = "pasteToolStripMenuItem";
             pasteToolStripMenuItem.ShortcutKeyDisplayString = "";
@@ -785,6 +794,11 @@
             CodeShiftToolStripMenuItem.ToolTipText = "Shift the font on the code line";
             CodeShiftToolStripMenuItem.Click += CodeShiftToolStripMenuItem_Click;
             // 
+            // toolStripSeparator3
+            // 
+            toolStripSeparator3.Name = "toolStripSeparator3";
+            toolStripSeparator3.Size = new System.Drawing.Size(212, 6);
+            // 
             // testFontToolStripMenuItem
             // 
             testFontToolStripMenuItem.Image = Properties.Resources.font;
@@ -1055,21 +1069,6 @@
             dlgSavePNG.DefaultExt = "png";
             dlgSavePNG.Filter = "PNG Image|*.png;*.PNG";
             // 
-            // toolStripSeparator1
-            // 
-            toolStripSeparator1.Name = "toolStripSeparator1";
-            toolStripSeparator1.Size = new System.Drawing.Size(221, 6);
-            // 
-            // toolStripSeparator2
-            // 
-            toolStripSeparator2.Name = "toolStripSeparator2";
-            toolStripSeparator2.Size = new System.Drawing.Size(221, 6);
-            // 
-            // toolStripSeparator3
-            // 
-            toolStripSeparator3.Name = "toolStripSeparator3";
-            toolStripSeparator3.Size = new System.Drawing.Size(212, 6);
-            // 
             // MainForm
             // 
             AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);

McBitFont/Form1.cs

@@ -8,6 +8,7 @@ using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices;
 using System.Text;
+using System.Text.Json;
 using System.Windows.Forms;
 
 
@@ -52,18 +53,18 @@ namespace McBitFont {
         private CanvasHistory history = new();
         private int cellSize = 10;
         public int dotWidth, dotHeight;
-        private int pixelOffset = 5;
+        private readonly int pixelOffset = 5;
         private int gap;
         private int w, h;
         public bool monospaced = false;
         private bool modified = false;
         private bool prjModified = false;
-        public const string version = "2.3";
+        public const string version = "2.4";
         public string prjName = "Untitled";
         public string prjFileName = "";
         public int codepage = 1251;
         private FrameMiniature fbuf;
-        private bool fbuffer = false;
+        private readonly DataFormats.Format clpbFormat = DataFormats.GetFormat("McBitFontFrame");
         private int baseline = 0;
         private bool set_base = false;
         private Point selection1, selection2;
@@ -148,8 +149,8 @@ namespace McBitFont {
         }
 
         private FrameMiniature CopyFrame(FrameMiniature frame, bool clipboard = false) {
-            int width = chkRectSelect.Checked ? selection2.X - selection1.X + 1 : frame.width;
+            int width = chkRectSelect.Checked && clipboard ? selection2.X - selection1.X + 1 : frame.width;
-            int height = chkRectSelect.Checked ? selection2.Y - selection1.Y + 1 : frame.height;
+            int height = chkRectSelect.Checked && clipboard ? selection2.Y - selection1.Y + 1 : frame.height;
             var ff = new FrameMiniature(frame.code, width, height);
 
             if (chkRectSelect.Checked && clipboard) {
@@ -817,7 +818,6 @@ namespace McBitFont {
                 SetWindowCap();
                 SetModified(false); ;
                 CheckForAdd();
-                fbuffer = false;
                 miniList.Items[0].Selected = true;
                 miniList.Refresh();
                 dotPanel.Refresh();
@@ -839,10 +839,8 @@ namespace McBitFont {
                 tsmiRemoveSymbol.Enabled = false;
                 tsmiRemoveBefore.Enabled = false;
                 tsmiRemoveAfter.Enabled = false;
-                //copyToolStripMenuItem.Enabled = false;
+
-                pasteToolStripMenuItem.Enabled = false;
                 return;
-                //miniList.Items[0].Selected = true;
             }
 
             // Clear history
@@ -863,7 +861,7 @@ namespace McBitFont {
                 removeSymbolToolStripMenuItem.Enabled = false;
                 tsmiRemoveSymbol.Enabled = false;
             }
-            //copyToolStripMenuItem.Enabled = true;
+
             if (frames.Count > 1 && ff.Equals(frames.First())) {
                 removeBeforeToolStripMenuItem.Enabled = false;
                 removeAfterToolStripMenuItem.Enabled = true;
@@ -881,8 +879,6 @@ namespace McBitFont {
                 tsmiRemoveAfter.Enabled = true;
             }
 
-            if (fbuffer) pasteToolStripMenuItem.Enabled = true;
-            else pasteToolStripMenuItem.Enabled = false;
         }
 
         private void SaveToolStripMenuItem_Click(object sender, EventArgs e) {
@@ -940,8 +936,6 @@ namespace McBitFont {
             miniList.Items[0].Selected = true;
 
             CheckForAdd();
-            fbuffer = false;
-            //copyToolStripMenuItem.Enabled = true;
 
             // Re-create history object
             history = new CanvasHistory();
@@ -1041,16 +1035,23 @@ namespace McBitFont {
         }
 
         private void copyToolStripMenuItem_Click(object sender, EventArgs e) {
-            fbuffer = true;
+            var bb = MessagePackSerializer.Serialize(CopyFrame(f, true));
-            fbuf = CopyFrame(f, true);
+            DataObject clpbObj = new DataObject(clpbFormat.Name, bb);
-            pasteToolStripMenuItem.Enabled = true;
+            Clipboard.SetDataObject(clpbObj, true);
         }
 
         private void pasteToolStripMenuItem_Click(object sender, EventArgs e) {
+            // Try to read from clipboard
+            try {
+                IDataObject clpbObj = Clipboard.GetDataObject();
+                byte[] bb = (byte[])clpbObj.GetData(clpbFormat.Name);
+                fbuf = MessagePackSerializer.Deserialize<FrameMiniature>(bb);
+            }
+            catch {
+                return;
+            }
+
             history.AddPre(f);
-            if (fbuf.width == f.width && fbuf.height == f.height) {
-                Array.Copy(fbuf.data, f.data, fbuf.data.Length);
-            } else {
             int di, dj, wmax, hmax, selw, selh;
             if (chkRectSelect.Checked) {
                 di = selection1.X;
@@ -1071,7 +1072,7 @@ namespace McBitFont {
                     f.data[i + di, j + dj] = fbuf.data[i, j];
                 }
             }
-            }
+
             history.AddPost(f);
             CheckHistoryButtons();
             dotPanel.Refresh();

McBitFont/McBitFont.csproj

@@ -20,9 +20,9 @@
     <UseWindowsForms>true</UseWindowsForms>
     <ImportWindowsDesktopTargets>true</ImportWindowsDesktopTargets>
     <ApplicationIcon>icon_64.ico</ApplicationIcon>
-    <AssemblyVersion>2.3.0.0</AssemblyVersion>
+    <AssemblyVersion>2.4.0.0</AssemblyVersion>
-    <FileVersion>2.3.0.0</FileVersion>
+    <FileVersion>2.4.0.0</FileVersion>
-    <Version>$(VersionPrefix)2.3.0</Version>
+    <Version>$(VersionPrefix)2.4.0</Version>
     <Copyright>Anton Mukhin</Copyright>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">

TODO.txt

@@ -1,5 +1,6 @@
 Application:
 - Consider migrating to WPF in order to make DPI aware UI
+V Copy-Paste now uses System clipboard and it is possible to copy-paste from/to different instances of running program
 
 Functionality:
 V Allow to add frames to Single-frame "fonts"
@@ -8,3 +9,5 @@ V Export image with All characers table
 
 Bugs:
 - In some cases after switching to a symbol dotPanel mouse move causes "Out of range" exception (history.Pre after width change?)
+V Switching between symbols while select tool is active and small area selected trows an error
+V Full frame Copy in Clipboard does not respect selection on Paste operation