Editor: Add action to select word under cursor

Task-number: QTCREATORBUG-641
Change-Id: I83e2705c7250646b13cd3ec52779a1496e6a472c
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/texteditor/texteditor.cpp

@@ -1357,6 +1357,15 @@ bool TextEditorWidget::selectBlockDown()
     return true;
 }
 
+void TextEditorWidget::selectWordUnderCursor()
+{
+    QTextCursor tc = textCursor();
+    if (tc.hasSelection())
+        return;
+    tc.select(QTextCursor::WordUnderCursor);
+    setTextCursor(tc);
+}
+
 void TextEditorWidget::copyLineUp()
 {
     d->copyLineUpDown(true);

src/plugins/texteditor/texteditor.h

@@ -396,6 +396,7 @@ public:
 
     virtual bool selectBlockUp();
     virtual bool selectBlockDown();
+    void selectWordUnderCursor();
 
     void moveLineUp();
     void moveLineDown();

src/plugins/texteditor/texteditoractionhandler.cpp

@@ -451,6 +451,9 @@ void TextEditorActionHandlerPrivate::createActions()
             [this] (TextEditorWidget *w) { w->selectBlockDown(); }, true, tr("Select Block Down"),
             QKeySequence(tr("Ctrl+Shift+Alt+U")),
             G_EDIT_BLOCKS, advancedEditMenu);
+    registerAction(SELECT_WORD_UNDER_CURSOR,
+            [this] (TextEditorWidget *w) { w->selectWordUnderCursor(); }, true,
+            tr("Select Word Under Cursor"));
 
     // register GOTO Actions
     registerAction(GOTO_LINE_START,

src/plugins/texteditor/texteditorconstants.h

@@ -127,6 +127,7 @@ const char GOTO_BLOCK_END[]        = "TextEditor.GotoBlockEnd";
 const char GOTO_BLOCK_END_WITH_SELECTION[] = "TextEditor.GotoBlockEndWithSelection";
 const char SELECT_BLOCK_UP[]       = "TextEditor.SelectBlockUp";
 const char SELECT_BLOCK_DOWN[]     = "TextEditor.SelectBlockDown";
+const char SELECT_WORD_UNDER_CURSOR[]   = "TextEditor.SelectWordUnderCursor";
 const char VIEW_PAGE_UP[] = "TextEditor.viewPageUp";
 const char VIEW_PAGE_DOWN[] = "TextEditor.viewPageDown";
 const char VIEW_LINE_UP[] = "TextEditor.viewLineUp";