From a350f901924f532c85c3b3a64cceb445ec900cce Mon Sep 17 00:00:00 2001
From: Nikita Khromov <Nikita.Khromov@onlyoffice.com>
Date: Tue, 14 Oct 2025 16:11:34 +0700
Subject: [PATCH 1/2] [pdf] Fix bug #77600

---
 pdf/src/textSelectTrackHandler.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pdf/src/textSelectTrackHandler.js b/pdf/src/textSelectTrackHandler.js
index 4c424d0a46..f02ef2ba95 100644
--- a/pdf/src/textSelectTrackHandler.js
+++ b/pdf/src/textSelectTrackHandler.js
@@ -50,7 +50,7 @@
 	};
 	CTextSelectTrackHandler.prototype.OnChangePosition = function(bCheckMouseUpPos) {
 		let oFile = Asc.editor.getDocumentRenderer().file;
-		if (oFile.Selection.IsSelection || false === Asc.editor.NeedShowTextSelectPanel()) {
+		if (false == oFile.isSelectionUse() || false === Asc.editor.NeedShowTextSelectPanel()) {
 			this.OnHide();
 			return;
 		}

From d92cd22e8085f4acb46fc2c32067ff684536d6cd Mon Sep 17 00:00:00 2001
From: Nikita Khromov <Nikita.Khromov@onlyoffice.com>
Date: Tue, 14 Oct 2025 16:12:15 +0700
Subject: [PATCH 2/2] [pdf] Fix dbl click on text

---
 pdf/src/file.js   | 12 ++++++++++++
 pdf/src/viewer.js | 13 ++++++++++---
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/pdf/src/file.js b/pdf/src/file.js
index 87d1b153d3..4d77bb5b9a 100644
--- a/pdf/src/file.js
+++ b/pdf/src/file.js
@@ -854,6 +854,8 @@ void main() {\n\
             return;
         }
 
+        let oDoc = this.viewer.getPDFDoc();
+
         stream.pos = ret.LinePos;
 
         let _lineText = "";
@@ -914,10 +916,13 @@ void main() {\n\
             }
         }
 
+        oDoc.TextSelectTrackHandler.Update(true);
+        this.onUpdateSelection();
         this.onUpdateOverlay();
     };
     CFile.prototype.selectWholeRow = function(pageIndex, x, y) {
         let ret = this.getNearestPos(pageIndex, x, y);
+        let oDoc = this.viewer.getPDFDoc();
 
         let sel = this.Selection;
         sel.Glyph1 = -2;
@@ -929,6 +934,8 @@ void main() {\n\
         sel.Page2 = pageIndex;
         sel.quads = [];
         
+        oDoc.TextSelectTrackHandler.Update(true);
+        this.onUpdateSelection();
         this.onUpdateOverlay();
     };
     CFile.prototype.selectWholePage = function(pageIndex) {
@@ -937,6 +944,9 @@ void main() {\n\
         if (!stream) {
             return;
         }
+
+        let oDoc = this.viewer.getPDFDoc();
+
         while (stream.pos < stream.size)
         {
             _numLine++;
@@ -957,6 +967,8 @@ void main() {\n\
         sel.Page2 = pageIndex;
         sel.quads = [];
         
+        oDoc.TextSelectTrackHandler.Update(true);
+        this.onUpdateSelection();
         this.onUpdateOverlay();
     };
     CFile.prototype.selectAll = function() {
diff --git a/pdf/src/viewer.js b/pdf/src/viewer.js
index d24063c43b..68bb1719ff 100644
--- a/pdf/src/viewer.js
+++ b/pdf/src/viewer.js
@@ -2048,12 +2048,19 @@
 				if (!pageObjectLogic) {
 					return false;
 				}
-				if (global_mouseEvent.ClickCount == 2)
+				
+				if (global_mouseEvent.ClickCount == 2) {
 					oThis.file.selectWholeWord(pageObjectLogic.index, pageObjectLogic.x, pageObjectLogic.y);
-				else if (global_mouseEvent.ClickCount == 3)
+					return;
+				}
+				else if (global_mouseEvent.ClickCount == 3) {
 					oThis.file.selectWholeRow(pageObjectLogic.index, pageObjectLogic.x, pageObjectLogic.y);
-				else if (global_mouseEvent.ClickCount == 4)
+					return;
+				}
+				else if (global_mouseEvent.ClickCount == 4) {
 					oThis.file.selectWholePage(pageObjectLogic.index);
+					return;
+				}
 			}
 
 			// если было нажатие - то отжимаем