Index: gc_lang/fr/webext/content_scripts/event.js
==================================================================
--- gc_lang/fr/webext/content_scripts/event.js
+++ gc_lang/fr/webext/content_scripts/event.js
@@ -24,10 +24,74 @@
 }
 
 // On informe la page qu'il y a Grammalecte ;)
 var customAPILoaded = new CustomEvent('GrammalecteIsLoaded');
 document.dispatchEvent(customAPILoaded);
+
+// Gros Hack : Auto add a button in tinymce ;)
+// Page to test v4 https://www.quackit.com/html/html_editors/tinymce_editor.cfm
+// Page to test v3 http://www.imathas.com/editordemo/demo.html
+if (typeof tinymce !== "undefined" && tinymce.majorVersion && tinymce.majorVersion >= 3 && tinymce.majorVersion <= 5) {
+    //console.log("Have TinyMCE");
+    let TinyOnEditor = function(event, editor = null) {
+        let xEditorAdd = editor || event.editor;
+        let bIsAdded = false;
+
+        if ( tinymce.majorVersion >= 4 ){
+            let aBtn = ["toolbar3", "toolbar2", "toolbar1", "toolbar"];
+            let nBtn = aBtn.length;
+            let iBtn = 0;
+            for (let eBtn of aBtn){
+                if ((!bIsAdded && typeof xEditorAdd.settings[eBtn] !== "undefined") || iBtn == nBtn){
+                    bIsAdded = true;
+                    xEditorAdd.settings[eBtn] = (xEditorAdd.settings[eBtn] + " Grammalecte").trim()
+                }
+                iBtn++;
+            }
+        } else if ( tinymce.majorVersion >= 3 ){
+            let aBtn = ["theme_advanced_buttons3", "theme_advanced_buttons2", "theme_advanced_buttons1"];
+            let nBtn = aBtn.length;
+            let iBtn = 0;
+            for (let eBtn of aBtn){
+                if ((!bIsAdded && typeof xEditorAdd.settings[eBtn] !== "undefined") || iBtn == nBtn){
+                    bIsAdded = true;
+                    xEditorAdd.settings[eBtn] = (xEditorAdd.settings[eBtn] + ",Grammalecte").trim()
+                }
+                iBtn++;
+            }
+        }
+
+        xEditorAdd.addButton("Grammalecte", {
+            text: "",
+            icon: false,
+            image:
+                "data:image/png;base64,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",
+            onclick: function(e) {
+                //console.log( editorAdd.getContent() );
+                //console.log( editorAdd.getBody().innerText )
+                let sText = xEditorAdd.getBody().innerText;
+                sendToGrammalecte({ spellcheck: sText });
+            }
+        });
+    };
+    if ( tinymce.majorVersion >= 4 ){
+        tinymce.on("AddEditor", TinyOnEditor);
+    } else if ( tinymce.majorVersion >= 3 ){
+        tinymce.onAddEditor.add(TinyOnEditor);
+    }
+
+    for (var i = tinymce.editors.length - 1; i > -1; i--) {
+        let idTiny = tinymce.editors[i].id;
+        if ( tinymce.majorVersion >= 4 ){
+            tinymce.execCommand("mceRemoveEditor", true, idTiny);
+            tinymce.execCommand("mceAddEditor", true, idTiny);
+        } else if ( tinymce.majorVersion >= 3 ){
+            tinymce.execCommand("mceRemoveControl", true, idTiny);
+            tinymce.execCommand("mceAddControl", true, idTiny);
+        }
+    }
+}
 
 /* // ! In the webpage script :
 document.addEventListener('GrammalecteIsLoaded', function() {
     // Le gestionnaire d'évènement est prêt!
     // La page web peut effectuer des actions