chore: initial commit

2021-12-29 14:31:45 -05:00
commit f17a913405
29 changed files with 2677 additions and 0 deletions
@@ -0,0 +1,45 @@
+using System.Text;
+using ImGuiNET;
+
+namespace ChatTwo.Util; 
+
+internal static class ImGuiUtil {
+    internal static unsafe void WrapText(string csText) {
+        foreach (var part in csText.Split(new[] { "\r\n", "\r", "\n" }, StringSplitOptions.None)) {
+            var bytes = Encoding.UTF8.GetBytes(part);
+            fixed (byte* rawText = bytes) {
+                var text = rawText;
+                var textEnd = text + bytes.Length;
+
+                // idk how this is possible, but it is, I guess
+                if (text == null) {
+                    return;
+                }
+
+                const float scale = 1.0f;
+                var widthLeft = ImGui.GetContentRegionAvail().X;
+                var endPrevLine = ImGuiNative.ImFont_CalcWordWrapPositionA(ImGui.GetFont().NativePtr, scale, text, textEnd, widthLeft);
+                if (endPrevLine == null) {
+                    return;
+                }
+
+                ImGuiNative.igTextUnformatted(text, endPrevLine);
+
+                widthLeft = ImGui.GetContentRegionAvail().X;
+                while (endPrevLine < textEnd) {
+                    text = endPrevLine;
+                    if (*text == ' ') {
+                        ++text;
+                    } // skip a space at start of line
+
+                    endPrevLine = ImGuiNative.ImFont_CalcWordWrapPositionA(ImGui.GetFont().NativePtr, scale, text, textEnd, widthLeft);
+                    if (endPrevLine == null) {
+                        break;
+                    }
+
+                    ImGuiNative.igTextUnformatted(text, endPrevLine);
+                }
+            }
+        }
+    }
+}