From 54520ad108e0105658fc9656faa2487efa94041a Mon Sep 17 00:00:00 2001
From: Bui Minh Anh <anhbm@ihouzz.com.vn>
Date: Mon, 8 May 2023 16:03:27 +0700
Subject: [PATCH 1/2] custom onSingleTapUp show toolbar

---
 lib/src/widgets/editor.dart | 40 ++++++++++++++++++++++++++++++++++---
 1 file changed, 37 insertions(+), 3 deletions(-)

diff --git a/lib/src/widgets/editor.dart b/lib/src/widgets/editor.dart
index 906b67fb..3c997349 100644
--- a/lib/src/widgets/editor.dart
+++ b/lib/src/widgets/editor.dart
@@ -721,9 +721,23 @@ class _QuillEditorSelectionGestureDetectorBuilder
               // On macOS/iOS/iPadOS a touch tap places the cursor at the edge
               // of the word.
               if (_detectWordBoundary) {
-                renderEditor!
-                  ..selectWordEdge(SelectionChangedCause.tap)
-                  ..onSelectionCompleted();
+                final TextSelection previousSelection = renderEditor!.selection;
+                final TextPosition textPosition = renderEditor!.getPositionForOffset(details.globalPosition);
+                final bool isAffinityTheSame = textPosition.affinity == previousSelection.affinity;
+                if (((_positionWasOnSelectionExclusive(textPosition) && !previousSelection.isCollapsed)
+                    || (_positionWasOnSelectionInclusive(textPosition) && previousSelection.isCollapsed && isAffinityTheSame))
+                    && renderEditor!._hasFocus) {
+                  editor!.showToolbar();
+                } else {
+                  renderEditor!
+                    ..selectWordEdge(SelectionChangedCause.tap)
+                    ..onSelectionCompleted();
+                  if (previousSelection == editor!.textEditingValue.selection && renderEditor!._hasFocus) {
+                    editor!.showToolbar();
+                  } else {
+                    editor!.hideToolbar(false);
+                  }
+                }
               } else {
                 renderEditor!
                   ..selectPosition(cause: SelectionChangedCause.tap)
@@ -1932,4 +1946,24 @@ class RenderEditableContainerBox extends RenderBox
     return defaultComputeDistanceToFirstActualBaseline(baseline)! +
         _resolvedPadding!.top;
   }
+
+  bool _positionWasOnSelectionExclusive(TextPosition textPosition) {
+    final TextSelection? selection = renderEditor!.selection;
+    if (selection == null) {
+      return false;
+    }
+
+    return selection.start < textPosition.offset
+        && selection.end > textPosition.offset;
+  }
+
+  bool _positionWasOnSelectionInclusive(TextPosition textPosition) {
+    final TextSelection? selection = renderEditor!.selection;
+    if (selection == null) {
+      return false;
+    }
+
+    return selection.start <= textPosition.offset
+        && selection.end >= textPosition.offset;
+  }
 }

From 87a33a84b21a4d188a3ef03907ee6c66427e5c6d Mon Sep 17 00:00:00 2001
From: Bui Minh Anh <anhbm@ihouzz.com.vn>
Date: Mon, 8 May 2023 16:27:17 +0700
Subject: [PATCH 2/2] update code custom single tap

---
 lib/src/widgets/editor.dart | 40 ++++++++++++++++++-------------------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/lib/src/widgets/editor.dart b/lib/src/widgets/editor.dart
index 3c997349..5533eaff 100644
--- a/lib/src/widgets/editor.dart
+++ b/lib/src/widgets/editor.dart
@@ -799,6 +799,26 @@ class _QuillEditorSelectionGestureDetectorBuilder
     }
     super.onSingleLongTapEnd(details);
   }
+  
+  bool _positionWasOnSelectionExclusive(TextPosition textPosition) {
+    final TextSelection? selection = renderEditor!.selection;
+    if (selection == null) {
+      return false;
+    }
+
+    return selection.start < textPosition.offset
+        && selection.end > textPosition.offset;
+  }
+
+  bool _positionWasOnSelectionInclusive(TextPosition textPosition) {
+    final TextSelection? selection = renderEditor!.selection;
+    if (selection == null) {
+      return false;
+    }
+
+    return selection.start <= textPosition.offset
+        && selection.end >= textPosition.offset;
+  }
 }
 
 /// Signature for the callback that reports when the user changes the selection
@@ -1946,24 +1966,4 @@ class RenderEditableContainerBox extends RenderBox
     return defaultComputeDistanceToFirstActualBaseline(baseline)! +
         _resolvedPadding!.top;
   }
-
-  bool _positionWasOnSelectionExclusive(TextPosition textPosition) {
-    final TextSelection? selection = renderEditor!.selection;
-    if (selection == null) {
-      return false;
-    }
-
-    return selection.start < textPosition.offset
-        && selection.end > textPosition.offset;
-  }
-
-  bool _positionWasOnSelectionInclusive(TextPosition textPosition) {
-    final TextSelection? selection = renderEditor!.selection;
-    if (selection == null) {
-      return false;
-    }
-
-    return selection.start <= textPosition.offset
-        && selection.end >= textPosition.offset;
-  }
 }